def test_003_lots_of_bytes (self): """ Lots and lots of bytes, multiple packer stages """ src_data = tuple([random.randint(0, 255) for x in range(3*5*7*8 * 10)]) src = blocks.vector_source_b(src_data, False, 1) repack1 = blocks.repack_bits_bb(8, 3) repack2 = blocks.repack_bits_bb(3, 5) repack3 = blocks.repack_bits_bb(5, 7) repack4 = blocks.repack_bits_bb(7, 8) sink = blocks.vector_sink_b() self.tb.connect(src, repack1, repack2, repack3, repack4, sink) self.tb.run () self.assertEqual(sink.data(), src_data)
def check_frame(self, payload, access_code, enable_crc): ## # Print Info print "----------------------------------------------------------------------" print "Testing with:" print "Payload: ", payload print "Access code: ", access_code print "CRC enabled: ", enable_crc ## # Set up Blocks src = blocks.vector_source_b(payload) to_tagged_stream = blocks.stream_to_tagged_stream(gr.sizeof_char, 1, len(payload), "packet_len") encoder = frame_encoder("packet_len", enable_crc) repacker = blocks.repack_bits_bb(8, 1, "", False, gr.GR_MSB_FIRST) decoder = frame_decoder("frame_len", 48000, enable_crc) dst = blocks.vector_sink_b() ## # Connect Blocks self.tb.connect(src,to_tagged_stream) self.tb.connect(to_tagged_stream, encoder) self.tb.connect(encoder, repacker) self.tb.connect(repacker, decoder) self.tb.connect(decoder, dst) self.tb.run () ## # Check, if received payload matches original payload self.assertEqual(payload, dst.data(), "Received Payload does not match with original") print "Frame correct."
def create_header_blocks(self): hdr_format = digital.header_format_ofdm(self.occupied_carriers, 1, self.len_tag_key) self.protocol_formatter = digital.protocol_formatter_bb(hdr_format, self.len_tag_key) self.repack_bits_hdr = blocks.repack_bits_bb(8, self.header_const.bits_per_symbol(), self.len_tag_key, True, gr.GR_LSB_FIRST) self.hdr_modulation = digital.chunks_to_symbols_bc(self.header_const.points(), 1)
def __init__(self, ipp1="127.0.0.1", ipp2="127.0.0.1", ipp3="127.0.0.1", ipp4="127.0.0.1", iptx="127.0.0.1", samp_rate=100): gr.top_block.__init__(self, "OFDM Rx") ################################################## # Parameters ################################################## self.ipp1 = ipp1 self.ipp2 = ipp2 self.ipp3 = ipp3 self.ipp4 = ipp4 self.iptx = iptx self.samp_rate = samp_rate ################################################## # Variables ################################################## self.pilot_symbols = pilot_symbols = ((1, 1, 1, -1,),) self.pilot_carriers = pilot_carriers = ((-21, -7, 7, 21,),) self.payload_mod = payload_mod = digital.constellation_qpsk() self.packet_length_tag_key = packet_length_tag_key = "packet_len" self.occupied_carriers = occupied_carriers = (range(-26, -21) + range(-20, -7) + range(-6, 0) + range(1, 7) + range(8, 21) + range(22, 27),) self.length_tag_key = length_tag_key = "frame_len" self.header_mod = header_mod = digital.constellation_bpsk() self.fft_len = fft_len = 64 self.sync_word2 = sync_word2 = [0j, 0j, 0j, 0j, 0j, 0j, (-1+0j), (-1+0j), (-1+0j), (-1+0j), (1+0j), (1+0j), (-1+0j), (-1+0j), (-1+0j), (1+0j), (-1+0j), (1+0j), (1+0j), (1 +0j), (1+0j), (1+0j), (-1+0j), (-1+0j), (-1+0j), (-1+0j), (-1+0j), (1+0j), (-1+0j), (-1+0j), (1+0j), (-1+0j), 0j, (1+0j), (-1+0j), (1+0j), (1+0j), (1+0j), (-1+0j), (1+0j), (1+0j), (1+0j), (-1+0j), (1+0j), (1+0j), (1+0j), (1+0j), (-1+0j), (1+0j), (-1+0j), (-1+0j), (-1+0j), (1+0j), (-1+0j), (1+0j), (-1+0j), (-1+0j), (-1+0j), (-1+0j), 0j, 0j, 0j, 0j, 0j] self.sync_word1 = sync_word1 = [0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 0., 0., 0., 0., 0.] self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_simpledfe(fft_len, payload_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols, 1) self.packet_len = packet_len = 96 self.header_formatter = header_formatter = digital.packet_header_ofdm(occupied_carriers, n_syms=1, len_tag_key=packet_length_tag_key, frame_len_tag_key=length_tag_key, bits_per_header_sym=header_mod.bits_per_symbol(), bits_per_payload_sym=payload_mod.bits_per_symbol(), scramble_header=False) self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe(fft_len, header_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols) ################################################## # Blocks ################################################## self.zeromq_pull_source_0_0_0_0_0_0 = zeromq.pull_source(gr.sizeof_gr_complex, 64, "tcp://" + ipp2 + ":55521", 100, True) self.my_number_sync_timestamp_0 = my.number_sync_timestamp() self.fft_vxx_1 = fft.fft_vcc(fft_len, True, (), True, 1) self.digital_ofdm_serializer_vcc_payload = digital.ofdm_serializer_vcc(fft_len, occupied_carriers, length_tag_key, packet_length_tag_key, 1, "", True) self.digital_ofdm_frame_equalizer_vcvc_1 = digital.ofdm_frame_equalizer_vcvc(payload_equalizer.base(), fft_len/4, length_tag_key, True, 0) self.digital_crc32_bb_0 = digital.crc32_bb(True, packet_length_tag_key, True) self.digital_constellation_decoder_cb_1 = digital.constellation_decoder_cb(payload_mod.base()) self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb(payload_mod.bits_per_symbol(), 8, packet_length_tag_key, True, gr.GR_LSB_FIRST) ################################################## # Connections ################################################## self.connect((self.blocks_repack_bits_bb_0, 0), (self.digital_crc32_bb_0, 0)) self.connect((self.digital_constellation_decoder_cb_1, 0), (self.blocks_repack_bits_bb_0, 0)) self.connect((self.digital_crc32_bb_0, 0), (self.my_number_sync_timestamp_0, 0)) self.connect((self.digital_ofdm_frame_equalizer_vcvc_1, 0), (self.digital_ofdm_serializer_vcc_payload, 0)) self.connect((self.digital_ofdm_serializer_vcc_payload, 0), (self.digital_constellation_decoder_cb_1, 0)) self.connect((self.fft_vxx_1, 0), (self.digital_ofdm_frame_equalizer_vcvc_1, 0)) self.connect((self.zeromq_pull_source_0_0_0_0_0_0, 0), (self.fft_vxx_1, 0))
def test_001_simple (self): """ Very simple test, 2 bits -> 1 """ src_data = (0b11, 0b01, 0b10) expected_data = (0b1, 0b1, 0b1, 0b0, 0b0, 0b1) k = 2 l = 1 src = blocks.vector_source_b(src_data, False, 1) repack = blocks.repack_bits_bb(k, l) sink = blocks.vector_sink_b() self.tb.connect(src, repack, sink) self.tb.run () self.assertEqual(sink.data(), expected_data)
def test_002_three (self): """ 8 -> 3 """ src_data = (0b11111101, 0b11111111, 0b11111111) expected_data = (0b101,) + (0b111,) * 7 k = 8 l = 3 src = blocks.vector_source_b(src_data, False, 1) repack = blocks.repack_bits_bb(k, l) sink = blocks.vector_sink_b() self.tb.connect(src, repack, sink) self.tb.run () self.assertEqual(sink.data(), expected_data)
def test_002_crc_equal_unpacked (self): """ Test unpacked operation with packed operation """ data = (0, 1, 2, 3, 4, 5, 6, 7, 8) src = blocks.vector_source_b(data) unpack1 = blocks.repack_bits_bb(8, 1, self.tsb_key, False, gr.GR_LSB_FIRST) unpack2 = blocks.repack_bits_bb(8, 1, self.tsb_key, False, gr.GR_LSB_FIRST) crc_unpacked = digital.crc32_bb(False, self.tsb_key, False) crc_packed = digital.crc32_bb(False, self.tsb_key, True) sink1 = blocks.tsb_vector_sink_b(tsb_key=self.tsb_key) sink2 = blocks.tsb_vector_sink_b(tsb_key=self.tsb_key) self.tb.connect(src, blocks.stream_to_tagged_stream( gr.sizeof_char, 1, len(data), self.tsb_key), crc_packed, unpack1, sink1) self.tb.connect(src, blocks.stream_to_tagged_stream( gr.sizeof_char, 1, len(data), self.tsb_key), unpack2, crc_unpacked, sink2) self.tb.run() self.assertEqual(sink1.data(), sink2.data())
def test_005_three_with_tags_trailing (self): """ 3 -> 8, trailing bits """ src_data = (0b101,) + (0b111,) * 4 + (0b001,) expected_data = (0b11111101, 0b11111111) k = 3 l = 8 src = blocks.vector_source_b(src_data, False, 1) repack = blocks.repack_bits_bb(k, l, self.tsb_key, True) sink = blocks.tsb_vector_sink_b(tsb_key=self.tsb_key) self.tb.connect( src, blocks.stream_to_tagged_stream(gr.sizeof_char, 1, len(src_data), self.tsb_key), repack, sink ) self.tb.run () self.assertEqual(len(sink.data()), 1) self.assertEqual(sink.data()[0], expected_data)
def test_005_three_with_tags_trailing (self): """ 3 -> 8, trailing bits """ src_data = (0b101,) + (0b111,) * 4 + (0b001,) expected_data = (0b11111101, 0b11111111) k = 3 l = 8 tag_name = "len" tag = gr.tag_t() tag.offset = 0 tag.key = pmt.string_to_symbol(tag_name) tag.value = pmt.from_long(len(src_data)) src = blocks.vector_source_b(src_data, False, 1, (tag,)) repack = blocks.repack_bits_bb(k, l, tag_name, True) sink = blocks.vector_sink_b() self.tb.connect(src, repack, sink) self.tb.run () self.assertEqual(sink.data(), expected_data) try: out_tag = sink.tags()[0] except: self.assertFail() self.assertEqual(out_tag.offset, 0) self.assertEqual(pmt.symbol_to_string(out_tag.key), tag_name) self.assertEqual(pmt.to_long(out_tag.value), len(expected_data))
def __init__(self, constellation, packet_len_tag): gr.hier_block2.__init__( self, "ofdm_symbol_demapper_cb", gr.io_signature(1, 1, gr.sizeof_gr_complex), gr.io_signature(1, 1, gr.sizeof_char) ) self.constellation = constellation; self.packet_len_tag = packet_len_tag; payload_demod = digital.constellation_decoder_cb( constellation = self.constellation.base() ) payload_repack = blocks.repack_bits_bb( k = self.constellation.bits_per_symbol(), l = 8, len_tag_key = self.packet_len_tag, align_output = True ) # Define blocks and connect them self.connect(self, payload_demod, payload_repack, self)
def __init__(self, fft_len=_def_fft_len, cp_len=_def_cp_len, frame_length_tag_key=_def_frame_length_tag_key, occupied_carriers=_def_occupied_carriers, pilot_carriers=_def_pilot_carriers, pilot_symbols=_def_pilot_symbols, bps_header=1, bps_payload=1, sync_word1=None, sync_word2=None, rolloff=0 ): gr.hier_block2.__init__(self, "ofdm_tx", gr.io_signature(1, 1, gr.sizeof_char), gr.io_signature(1, 1, gr.sizeof_gr_complex)) self.fft_len = fft_len self.cp_len = cp_len self.frame_length_tag_key = frame_length_tag_key self.occupied_carriers = occupied_carriers self.pilot_carriers = pilot_carriers self.pilot_symbols = pilot_symbols self.bps_header = bps_header self.bps_payload = bps_payload n_sync_words = 1 header_constellation = _get_constellation(bps_header) header_mod = digital.chunks_to_symbols_bc(header_constellation.points()) self.sync_word1 = sync_word1 if sync_word1 is None: self.sync_word1 = _make_sync_word(fft_len, occupied_carriers, header_constellation) else: if len(sync_word1) != self.fft_len: raise ValueError("Length of sync sequence(s) must be FFT length.") total_sync_word = self.sync_word1 self.sync_word2 = () if sync_word2 is not None: if len(sync_word2) != fft_len: raise ValueError("Length of sync sequence(s) must be FFT length.") self.sync_word2 = sync_word2 n_sync_words = 2 total_sync_word = sync_word1 + sync_word2 crc = digital.crc32_bb(False, self.frame_length_tag_key) formatter_object = digital.packet_header_ofdm( occupied_carriers, 1, "", "", "", bps_header ) header_gen = digital.packet_headergenerator_bb(formatter_object.base()) header_payload_mux = blocks.tagged_stream_mux(gr.sizeof_gr_complex*1, self.frame_length_tag_key) self.connect(self, crc, header_gen, header_mod, (header_payload_mux, 0)) payload_constellation = _get_constellation(bps_payload) payload_mod = digital.chunks_to_symbols_bc(payload_constellation.points()) self.connect( crc, blocks.repack_bits_bb(8, bps_payload, frame_length_tag_key), payload_mod, (header_payload_mux, 1) ) self.connect(payload_mod, gr.tag_debug(gr.sizeof_gr_complex, "pmod")) sync_word_gen = gr.vector_source_c( total_sync_word, True, self.fft_len, tagged_streams.make_lengthtags((n_sync_words,), (0,), self.frame_length_tag_key) ) allocator = digital.ofdm_carrier_allocator_cvc( self.fft_len, occupied_carriers=self.occupied_carriers, pilot_carriers=self.pilot_carriers, pilot_symbols=self.pilot_symbols, len_tag_key=self.frame_length_tag_key ) syncword_data_mux = blocks.tagged_stream_mux(gr.sizeof_gr_complex*self.fft_len, self.frame_length_tag_key) self.connect(sync_word_gen, (syncword_data_mux, 0)) self.connect(header_payload_mux, allocator, (syncword_data_mux, 1)) ffter = fft.fft_vcc(self.fft_len, False, (), False) cyclic_prefixer = digital.ofdm_cyclic_prefixer( self.fft_len, self.fft_len+self.cp_len, rolloff, self.frame_length_tag_key ) self.connect(syncword_data_mux, ffter, cyclic_prefixer, self)
def __init__(self): gr.top_block.__init__(self, "NC-OFDM loopback") Qt.QWidget.__init__(self) self.setWindowTitle("NC-OFDM loopback") try: self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc')) except: pass self.top_scroll_layout = Qt.QVBoxLayout() self.setLayout(self.top_scroll_layout) self.top_scroll = Qt.QScrollArea() self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame) self.top_scroll_layout.addWidget(self.top_scroll) self.top_scroll.setWidgetResizable(True) self.top_widget = Qt.QWidget() self.top_scroll.setWidget(self.top_widget) self.top_layout = Qt.QVBoxLayout(self.top_widget) self.top_grid_layout = Qt.QGridLayout() self.top_layout.addLayout(self.top_grid_layout) self.settings = Qt.QSettings("GNU Radio", "ncofdm_loopback") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Variables ################################################## self.pn_symbols = pn_symbols = (1, -1, -1, 1, 1, -1, -1, 1, 1, 1, -1, 1, -1, 1, 1, 1, -1, 1, 1, 1, 1, -1, -1, -1, 1, -1, -1, -1, -1, -1, 1, 1, -1, 1, -1, 1, 1, 1, 1, -1, -1, -1, 1, 1, -1, 1, 1, -1, -1, -1, 1, -1, -1, 1, -1, -1, 1, 1, -1, -1, 1, -1, 1, 1, 1, -1, 1, -1, -1, -1, 1, -1, -1, -1, -1, 1, -1, 1, 1, 1, 1, -1, -1, -1, 1, 1, -1, 1, -1, -1, 1, -1, 1, 1, 1, 1, -1, 1, -1, -1, 1, -1, 1, -1, 1, -1, -1, -1, -1, -1, 1, -1, -1, 1, 1, 1, -1, 1, -1, 1, 1, 1, 1, 1, 1, -1, 1, 1, 1, 1, -1, 1, -1, -1, 1, 1, -1, -1, -1, -1, -1, 1, -1, 1, 1, -1, -1, 1, 1, -1, 1, 1, 1, -1, 1, -1, 1, 1, -1, -1, 1, -1, 1, -1, -1, -1, 1, -1, 1, 1, -1, -1, 1, -1, -1, 1, 1, -1, 1, 1, -1, -1, -1, 1, 1, 1, -1, 1, 1, -1, 1, 1, -1, -1, 1, 1, -1, -1, -1, -1, -1, 1, 1, 1, 1, -1, 1, 1, 1, -1, 1, -1, 1, 1, -1, -1, 1, -1, -1, -1, 1, -1, -1, -1, 1, -1, -1, -1, -1, -1, -1, 1, -1, -1, -1, 1, 1, -1, -1, -1, 1, 1, 1, 1, -1, 1, 1, 1, -1, 1, -1, -1, 1, 1, -1, 1, -1, -1, -1, 1, -1, 1, 1, -1, 1, -1, -1, -1, 1, -1, -1, -1, 1, 1, -1, -1, 1, -1, 1, -1, 1, -1, -1, 1, -1, -1, 1, 1, 1, -1, -1, 1, 1, 1, 1, 1, -1, 1, -1, -1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, 1, -1, -1, 1, -1, -1, -1, -1, 1, -1, -1, -1, -1, -1, -1, 1, 1, 1, 1, -1, -1, 1, -1, 1, 1, -1, -1, 1, -1, -1, 1, -1, -1, -1, 1, -1, 1, -1, -1, 1, -1, -1, -1, -1, 1, -1, 1, -1, 1, -1, -1, -1, -1, 1, 1, 1, -1, -1, 1, 1, -1, -1, -1, -1, -1, 1, 1, 1, -1, 1, 1, -1, 1, -1, -1, 1, -1, -1, 1, -1, 1, 1, -1, -1, -1, 1, -1, -1, -1, -1, -1, -1, 1, -1, 1, 1, -1, 1, 1, -1, 1, 1, -1, -1, 1, 1, 1, 1, 1, -1, 1, -1, -1, -1, -1, 1, -1, -1, 1, -1, -1, -1, 1, -1, -1, -1, 1, -1, 1, -1, -1, 1, 1, 1, -1, -1, 1, -1, 1, -1, 1, -1, 1, -1, -1, -1, 1, 1, -1, 1, -1, 1, 1, 1, -1, 1, 1, -1, -1, 1, -1, -1, -1, 1, -1, 1, -1, -1, -1, 1, -1, -1, -1, -1, -1, -1, 1, -1, -1, -1, 1, -1, -1, 1, -1, -1, 1, -1, 1, -1, -1, 1, 1, -1, 1, -1, -1, -1, -1, -1, 1, -1, -1, 1, 1, -1, -1, 1, -1, 1, -1, 1, 1, 1, 1, 1, 1, -1, -1, -1, 1, -1, 1, -1, -1, 1, -1, -1, 1, -1, -1, -1, -1, -1, 1, 1, 1, -1, 1, 1, -1, -1, 1, -1, 1, -1, -1, 1, 1, 1, -1, 1, -1, -1, 1, -1, 1, 1, 1, 1, 1, 1, -1, -1, -1, 1, 1, 1, 1, -1, 1, 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1, 1, 1, 1, -1, -1, 1, 1, 1, -1, -1, 1, -1, 1, 1, -1, -1, -1, 1, -1, -1, -1, 1, -1, 1, -1, 1, 1, -1, -1, -1, 1, 1, 1, -1, 1, 1, 1, 1, -1, -1, -1, -1, 1, -1, 1, -1, -1, 1, 1, 1, -1, -1, -1, 1, 1, -1, -1, 1, 1, 1, 1, 1, -1, -1, 1, 1, -1, -1, -1, 1, -1, -1, 1, 1, 1, -1, 1, 1, -1, -1, -1, -1, -1, 1, -1, 1, 1, -1, 1, 1, -1, -1, -1, -1, -1, 1, 1, -1, -1, 1, 1, 1, -1, -1, -1, 1, 1, -1, -1, 1, -1, 1, 1, 1, -1, 1, -1, 1, 1, 1, -1, 1, -1, 1, 1, 1, -1, -1, -1, 1, 1, -1, -1, 1, 1, 1, -1, 1, 1, 1, -1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, 1, -1, 1, -1, 1, -1, -1, -1, 1, 1, 1, 1, -1, 1, 1, -1, 1, -1, 1, -1, 1, -1, -1, 1, 1, -1, 1, -1, 1, -1, -1, 1, -1, 1, -1, 1, -1, 1, -1, -1, 1, 1, -1, 1, 1, -1, -1, -1, 1, 1, -1, -1, -1, 1, 1, -1, -1, -1, 1, -1, -1, 1, -1, 1, 1, 1, -1, 1, 1, -1, -1, -1, -1, 1, 1, -1, -1, -1, 1, -1, -1, 1, 1, 1, 1, -1, 1, -1, -1, -1, -1, -1, 1, -1, 1, -1, -1, 1, 1, -1, -1, 1, -1, -1, -1, 1, -1, -1, 1, -1, 1, -1, 1, -1, -1, -1, 1, 1, 1, -1, 1, -1, 1, 1, -1, 1, 1, 1, -1, -1, 1, 1, -1, 1, -1, 1, 1, -1, 1, -1, -1, 1, -1, -1, 1, 1, 1, -1, 1, -1, -1, -1, 1, 1, 1, -1, -1, -1, -1, -1, 1, -1, 1, 1, -1, 1, -1, -1, 1, 1, 1, -1, -1, -1, -1, -1, -1, 1, 1, 1, 1, 1, 1, -1, 1, -1, -1, 1, -1, -1, 1, 1, 1, -1, 1, 1, -1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, 1, -1, -1, -1, -1, -1, 1, -1, -1, 1, -1, 1, 1, -1, -1, -1, 1, 1, 1, 1, -1, -1, 1, -1, -1, -1, 1, -1, -1, -1, -1, 1, 1, 1, 1, -1, 1, -1, -1, 1, -1, 1, 1, -1, 1, 1, 1, 1, 1, -1, 1, -1, -1, 1, 1, 1) self.occupied_carriers = occupied_carriers = (range(-31,32),) self.length_tag_name = length_tag_name = "packet_len" self.fft_len = fft_len = 64 self.ShSeqLen = ShSeqLen = 40 self.LgSeqLen = LgSeqLen = 320 self.DataSeqLen = DataSeqLen = 64 self.sync_len = sync_len = 20 self.samp_rate = samp_rate = 100000 self.pilot_symbols = pilot_symbols = ((1, 1, 1, -1,),) self.pilot_carriers = pilot_carriers = ((-21, -7, 7, 21,),) self.payload_mod = payload_mod = digital.constellation_qpsk() self.packet_len = packet_len = 100 self.ncofdm_amp = ncofdm_amp = 1 self.header_formatter = header_formatter = digital.packet_header_ofdm(occupied_carriers, 1, length_tag_name) self.fileprefix = fileprefix = "/root/" self.cp_len = cp_len = fft_len/4 self.cen_freq = cen_freq = 1500000000 self.ShThreshold = ShThreshold = 10 self.ShSymbols = ShSymbols = pn_symbols[0:ShSeqLen] self.ShSeqRep = ShSeqRep = 8 self.ShRepThreshold = ShRepThreshold = 3.5 self.LgThreshold = LgThreshold = 100 self.LgSymbols = LgSymbols = pn_symbols[ShSeqLen:ShSeqLen+LgSeqLen] self.DataSymbols = DataSymbols = pn_symbols[ShSeqLen+LgSeqLen:DataSeqLen+ShSeqLen+LgSeqLen] self.DataLen = DataLen = DataSeqLen*20 ################################################## # Blocks ################################################## self.ncofdm_stream2fftvector_0 = ncofdm.stream2fftvector(fft_len, cp_len) self.ncofdm_ncofdm_carrier_allocator_0 = ncofdm.ncofdm_carrier_allocator(fft_len, occupied_carriers, (), (), "packet_len") self._ncofdm_amp_layout = Qt.QVBoxLayout() self._ncofdm_amp_tool_bar = Qt.QToolBar(self) self._ncofdm_amp_layout.addWidget(self._ncofdm_amp_tool_bar) self._ncofdm_amp_tool_bar.addWidget(Qt.QLabel("ncofdm_amp"+": ")) class qwt_counter_pyslot(Qwt.QwtCounter): def __init__(self, parent=None): Qwt.QwtCounter.__init__(self, parent) @pyqtSlot('double') def setValue(self, value): super(Qwt.QwtCounter, self).setValue(value) self._ncofdm_amp_counter = qwt_counter_pyslot() self._ncofdm_amp_counter.setRange(0, 2, 0.001) self._ncofdm_amp_counter.setNumButtons(2) self._ncofdm_amp_counter.setValue(self.ncofdm_amp) self._ncofdm_amp_tool_bar.addWidget(self._ncofdm_amp_counter) self._ncofdm_amp_counter.valueChanged.connect(self.set_ncofdm_amp) self._ncofdm_amp_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot) self._ncofdm_amp_slider.setRange(0, 2, 0.001) self._ncofdm_amp_slider.setValue(self.ncofdm_amp) self._ncofdm_amp_slider.setMinimumWidth(200) self._ncofdm_amp_slider.valueChanged.connect(self.set_ncofdm_amp) self._ncofdm_amp_layout.addWidget(self._ncofdm_amp_slider) self.top_layout.addLayout(self._ncofdm_amp_layout) self.ncofdm_add_cp_underlay_0 = ncofdm.add_cp_underlay(fft_len, cp_len, 20, 1280, ShSeqLen, ShSeqRep, ShSymbols, DataSeqLen, DataSymbols, LgSeqLen, LgSymbols, "packet_len") self.ncofdm_ShortPNdetector_0 = ncofdm.ShortPNdetector(fft_len, cp_len, ShSeqRep, ShSeqLen, 1) self.ncofdm_ShortPNcorr_0 = ncofdm.ShortPNcorr(fft_len, cp_len, ShSeqRep, ShSeqLen, (ShSymbols)) self.ncofdm_LongPNcorrV2_0 = ncofdm.LongPNcorrV2(fft_len, cp_len, LgSeqLen, (LgSymbols), 60, ShSeqRep*ShSeqLen+LgSeqLen+DataLen+10) self.ncofdm_FreqOffCalc_0 = ncofdm.FreqOffCalc(fft_len, fft_len/4, ShSeqLen, ShSeqRep) self.fft_vxx_1 = fft.fft_vcc(fft_len, True, (), True, 1) self.fft_vxx_0 = fft.fft_vcc(fft_len, False, (()), True, 1) self.digital_chunks_to_symbols_xx_0_0_0 = digital.chunks_to_symbols_bc((payload_mod.points()), 1) self.channels_channel_model_0 = channels.channel_model( noise_voltage=0, frequency_offset=0.0004, epsilon=1.0, taps=(1, ), noise_seed=0, block_tags=False ) self.blocks_vector_to_stream_0_1 = blocks.vector_to_stream(gr.sizeof_gr_complex*1, fft_len) self.blocks_vector_to_stream_0 = blocks.vector_to_stream(gr.sizeof_gr_complex*1, fft_len) self.blocks_throttle_0_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True) self.blocks_threshold_ff_0_0 = blocks.threshold_ff(ShRepThreshold, ShRepThreshold, 0) self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(gr.sizeof_char, 1, packet_len, "packet_len") self.blocks_repack_bits_bb_0_0 = blocks.repack_bits_bb(8, payload_mod.bits_per_symbol(), length_tag_name, False, gr.GR_LSB_FIRST) self.blocks_null_sink_1_0_0_0_1_1_0_0 = blocks.null_sink(gr.sizeof_gr_complex*1) self.blocks_null_sink_1_0_0_0_1_1_0 = blocks.null_sink(gr.sizeof_gr_complex*1) self.blocks_null_sink_1_0_0_0_1_0_0_0 = blocks.null_sink(gr.sizeof_int*1) self.blocks_null_sink_1 = blocks.null_sink(gr.sizeof_gr_complex*1) self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_gr_complex*1) self.blocks_multiply_const_vxx_0_0 = blocks.multiply_const_vcc(([1/(math.sqrt(44))]*fft_len)) self.blocks_moving_average_xx_0 = blocks.moving_average_ff(100, 0.01, 4000) self.blocks_float_to_int_0 = blocks.float_to_int(1, 1) self.blocks_float_to_complex_0 = blocks.float_to_complex(1) self.blocks_file_sink_1_0_0_0_3 = blocks.file_sink(gr.sizeof_gr_complex*1, fileprefix+"short.dat", False) self.blocks_file_sink_1_0_0_0_3.set_unbuffered(False) self.blocks_file_sink_1_0_0_0_2 = blocks.file_sink(gr.sizeof_gr_complex*1, fileprefix+"org.dat", False) self.blocks_file_sink_1_0_0_0_2.set_unbuffered(False) self.blocks_file_sink_1_0_0_0_1_1_1 = blocks.file_sink(gr.sizeof_float*1, fileprefix+"rxshth.dat", False) self.blocks_file_sink_1_0_0_0_1_1_1.set_unbuffered(False) self.blocks_file_sink_1_0_0_0_1_1_0 = blocks.file_sink(gr.sizeof_float*1, fileprefix+"lgth.dat", False) self.blocks_file_sink_1_0_0_0_1_1_0.set_unbuffered(False) self.blocks_file_sink_1_0_0_0_0_2_0 = blocks.file_sink(gr.sizeof_gr_complex*1, fileprefix+"txdata.dat", False) self.blocks_file_sink_1_0_0_0_0_2_0.set_unbuffered(False) self.blocks_file_sink_1_0_0_0_0_2 = blocks.file_sink(gr.sizeof_gr_complex*1, fileprefix+"rxd.dat", False) self.blocks_file_sink_1_0_0_0_0_2.set_unbuffered(False) self.blocks_file_sink_1_0_0_0_0_0 = blocks.file_sink(gr.sizeof_int*1, fileprefix+"corr.dat", False) self.blocks_file_sink_1_0_0_0_0_0.set_unbuffered(False) self.blocks_file_sink_1_0_0_0_0 = blocks.file_sink(gr.sizeof_gr_complex*1, fileprefix+"dec.dat", False) self.blocks_file_sink_1_0_0_0_0.set_unbuffered(False) self.blocks_file_sink_1_0_0_0 = blocks.file_sink(gr.sizeof_gr_complex*1, fileprefix+"long.dat", False) self.blocks_file_sink_1_0_0_0.set_unbuffered(False) self.blocks_delay_0_0_0_0_0_0_0 = blocks.delay(gr.sizeof_float*1, 2) self.blocks_delay_0_0_0_0_0_0 = blocks.delay(gr.sizeof_float*1, 2) self.blocks_delay_0_0_0_0_0 = blocks.delay(gr.sizeof_int*1, 1) self.blocks_complex_to_real_0 = blocks.complex_to_real(1) self.blocks_complex_to_mag_0_0_0 = blocks.complex_to_mag(1) self.blocks_complex_to_mag_0 = blocks.complex_to_mag(1) self.analog_random_source_x_0 = blocks.vector_source_b(map(int, numpy.random.randint(0, 200, 10000)), True) ################################################## # Connections ################################################## self.connect((self.analog_random_source_x_0, 0), (self.blocks_stream_to_tagged_stream_0, 0)) self.connect((self.blocks_complex_to_mag_0, 0), (self.ncofdm_ShortPNdetector_0, 0)) self.connect((self.blocks_complex_to_mag_0_0_0, 0), (self.blocks_moving_average_xx_0, 0)) self.connect((self.blocks_complex_to_real_0, 0), (self.blocks_file_sink_1_0_0_0_1_1_0, 0)) self.connect((self.blocks_delay_0_0_0_0_0, 0), (self.ncofdm_FreqOffCalc_0, 1)) self.connect((self.blocks_delay_0_0_0_0_0_0, 0), (self.blocks_float_to_complex_0, 1)) self.connect((self.blocks_delay_0_0_0_0_0_0_0, 0), (self.blocks_float_to_complex_0, 0)) self.connect((self.blocks_float_to_complex_0, 0), (self.ncofdm_LongPNcorrV2_0, 1)) self.connect((self.blocks_float_to_int_0, 0), (self.blocks_delay_0_0_0_0_0, 0)) self.connect((self.blocks_moving_average_xx_0, 0), (self.ncofdm_LongPNcorrV2_0, 2)) self.connect((self.blocks_multiply_const_vxx_0_0, 0), (self.ncofdm_add_cp_underlay_0, 0)) self.connect((self.blocks_repack_bits_bb_0_0, 0), (self.digital_chunks_to_symbols_xx_0_0_0, 0)) self.connect((self.blocks_stream_to_tagged_stream_0, 0), (self.blocks_repack_bits_bb_0_0, 0)) self.connect((self.blocks_threshold_ff_0_0, 0), (self.blocks_delay_0_0_0_0_0_0, 0)) self.connect((self.blocks_threshold_ff_0_0, 0), (self.blocks_float_to_int_0, 0)) self.connect((self.blocks_throttle_0_0, 0), (self.channels_channel_model_0, 0)) self.connect((self.blocks_vector_to_stream_0, 0), (self.blocks_file_sink_1_0_0_0_0, 0)) self.connect((self.blocks_vector_to_stream_0, 0), (self.blocks_null_sink_1, 0)) self.connect((self.blocks_vector_to_stream_0_1, 0), (self.blocks_file_sink_1_0_0_0_0_2, 0)) self.connect((self.channels_channel_model_0, 0), (self.blocks_complex_to_mag_0_0_0, 0)) self.connect((self.channels_channel_model_0, 0), (self.blocks_file_sink_1_0_0_0_2, 0)) self.connect((self.channels_channel_model_0, 0), (self.ncofdm_LongPNcorrV2_0, 0)) self.connect((self.channels_channel_model_0, 0), (self.ncofdm_ShortPNcorr_0, 0)) self.connect((self.channels_channel_model_0, 0), (self.ncofdm_stream2fftvector_0, 0)) self.connect((self.digital_chunks_to_symbols_xx_0_0_0, 0), (self.ncofdm_ncofdm_carrier_allocator_0, 0)) self.connect((self.fft_vxx_0, 0), (self.blocks_multiply_const_vxx_0_0, 0)) self.connect((self.fft_vxx_1, 0), (self.blocks_vector_to_stream_0, 0)) self.connect((self.ncofdm_FreqOffCalc_0, 0), (self.blocks_delay_0_0_0_0_0_0_0, 0)) self.connect((self.ncofdm_LongPNcorrV2_0, 0), (self.blocks_complex_to_real_0, 0)) self.connect((self.ncofdm_LongPNcorrV2_0, 1), (self.blocks_file_sink_1_0_0_0, 0)) self.connect((self.ncofdm_LongPNcorrV2_0, 2), (self.blocks_file_sink_1_0_0_0_0_0, 0)) self.connect((self.ncofdm_LongPNcorrV2_0, 2), (self.blocks_null_sink_1_0_0_0_1_0_0_0, 0)) self.connect((self.ncofdm_LongPNcorrV2_0, 1), (self.blocks_null_sink_1_0_0_0_1_1_0, 0)) self.connect((self.ncofdm_LongPNcorrV2_0, 0), (self.blocks_null_sink_1_0_0_0_1_1_0_0, 0)) self.connect((self.ncofdm_LongPNcorrV2_0, 2), (self.ncofdm_stream2fftvector_0, 1)) self.connect((self.ncofdm_ShortPNcorr_0, 1), (self.blocks_complex_to_mag_0, 0)) self.connect((self.ncofdm_ShortPNcorr_0, 1), (self.blocks_file_sink_1_0_0_0_3, 0)) self.connect((self.ncofdm_ShortPNcorr_0, 0), (self.blocks_null_sink_0, 0)) self.connect((self.ncofdm_ShortPNcorr_0, 1), (self.ncofdm_FreqOffCalc_0, 0)) self.connect((self.ncofdm_ShortPNdetector_0, 1), (self.blocks_file_sink_1_0_0_0_1_1_1, 0)) self.connect((self.ncofdm_ShortPNdetector_0, 0), (self.blocks_threshold_ff_0_0, 0)) self.connect((self.ncofdm_add_cp_underlay_0, 0), (self.blocks_file_sink_1_0_0_0_0_2_0, 0)) self.connect((self.ncofdm_add_cp_underlay_0, 0), (self.blocks_throttle_0_0, 0)) self.connect((self.ncofdm_ncofdm_carrier_allocator_0, 0), (self.blocks_vector_to_stream_0_1, 0)) self.connect((self.ncofdm_ncofdm_carrier_allocator_0, 0), (self.fft_vxx_0, 0)) self.connect((self.ncofdm_stream2fftvector_0, 0), (self.fft_vxx_1, 0))
def __init__( self, pilot_carriers=((-40, -14, 13, 39),), pilot_symbols=((1, 1, 1, -1),), occupied_carriers=( [ -54, -53, -52, -51, -50, -49, -48, -47, -46, -45, -44, -43, -42, -41, -39, -38, -37, -36, -35, -34, -33, -32, -31, -30, -29, -28, -27, -26, -25, -24, -23, -22, -21, -20, -19, -18, -17, -16, -15, -13, -12, -11, -10, -9, -8, -7, -6, -5, -4, -3, -2, -1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, ], ), samp_rate=10000, payload_mod="qpsk", sync_word1=[ 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, -1.42, 0.0, -1.42, 0.0, -1.42, 0.0, 1.42, 0.0, 1.42, 0.0, -1.42, 0.0, -1.42, 0.0, -1.42, 0.0, 1.42, 0.0, -1.42, 0.0, 1.42, 0.0, 1.42, 0.0, 1.42, 0.0, 1.42, 0.0, 1.42, 0.0, -1.42, 0.0, -1.42, 0.0, -1.42, 0.0, -1.42, 0.0, -1.42, 0.0, 1.42, 0.0, -1.42, 0.0, -1.42, 0.0, 1.42, 0.0, -1.42, 0.0, 1.42, 0.0, -1.42, 0.0, 1.42, 0.0, -1.42, 0.0, 1.42, 0.0, 1.42, 0.0, 1.42, 0.0, -1.42, 0.0, 1.42, 0.0, 1.42, 0.0, 1.42, 0.0, -1.42, 0.0, 1.42, 0.0, 1.42, 0.0, 1.42, 0.0, 1.42, 0.0, -1.42, 0.0, 1.42, 0.0, -1.42, 0.0, -1.42, 0.0, -1.42, 0.0, 1.42, 0.0, -1.42, 0.0, 1.42, 0.0, -1.42, 0.0, -1.42, 0.0, -1.42, 0.0, -1.42, 0.0, -1.42, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, ], sync_word2=[ 0j, 0j, 0j, 0j, 0j, 0j, 0j, 0j, 0j, 0j, (-1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), 0j, (1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), (1 + 0j), 0j, 0j, 0j, 0j, 0j, 0j, 0j, 0j, 0j, 0j, ], scramble_mode=0, crc_mode=0, clipper_mode=0, filter_mode=1, clipping_factor=10, ): gr.hier_block2.__init__( self, "Ofdm Radio Hier", gr.io_signaturev(2, 2, [gr.sizeof_char * 1, gr.sizeof_gr_complex * 1]), gr.io_signaturev(2, 2, [gr.sizeof_char * 1, gr.sizeof_gr_complex * 1]), ) ################################################## # Parameters ################################################## self.pilot_carriers = pilot_carriers self.pilot_symbols = pilot_symbols self.occupied_carriers = occupied_carriers self.samp_rate = samp_rate self.sync_word1 = sync_word1 self.sync_word2 = sync_word2 self.scramble_mode = scramble_mode self.crc_mode = crc_mode self.clipping_factor = clipping_factor self.clipper_mode = clipper_mode self.filter_mode = filter_mode if payload_mod == "qpsk": self.payload_mod = payload_mod = digital.constellation_qpsk() elif payload_mod == "qam16": self.payload_mod = payload_mod = digital.qam.qam_constellation(16, True, "none", False) elif payload_mod == "bpsk": self.payload_mod = payload_mod = digital.constellation_bpsk() ################################################## # Variables ################################################## self.packet_length_tag_key = packet_length_tag_key = "packet_len" self.length_tag_key = length_tag_key = "frame_len" self.header_mod = header_mod = digital.constellation_bpsk() self.fft_len = fft_len = (len(sync_word1) + len(sync_word2)) / 2 self.scramble_seed = scramble_seed = 0x7F self.rolloff = rolloff = 0 self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_simpledfe( fft_len, payload_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols, 1 ) self.len_ocup_carr = len_ocup_carr = len(occupied_carriers[0]) self.header_formatter = header_formatter = digital.packet_header_ofdm( occupied_carriers, n_syms=1, len_tag_key=packet_length_tag_key, frame_len_tag_key=length_tag_key, bits_per_header_sym=header_mod.bits_per_symbol(), bits_per_payload_sym=payload_mod.bits_per_symbol(), scramble_header=True, ) self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe( fft_len, header_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols ) self.forward_OOB = forward_OOB = [ 0.40789374966665903, 3.2351160543115207, 11.253435139165413, 22.423991613997735, 27.99555756436666, 22.423991613997735, 11.253435139165425, 3.235116054311531, 0.40789374966666014, ] self.feedback_OOB = feedback_OOB = [ 1.0, 6.170110168740749, 16.888669609673336, 26.73762881119027, 26.75444043101795, 17.322358010203928, 7.091659316015212, 1.682084643429639, 0.17795354282083842, ] self.cp_len_0 = cp_len_0 = fft_len / 4 self.cp_len = cp_len = fft_len / 4 self.active_carriers = active_carriers = len(occupied_carriers[0]) + 4 ################################################## # Blocks ################################################## self.ofdm_tools_clipper_0 = ofdm_tools.clipper_cc(clipping_factor) self.iir_filter_xxx_1 = filter.iir_filter_ccd((forward_OOB), (feedback_OOB), False) self.fft_vxx_txpath = fft.fft_vcc(fft_len, False, (()), True, 1) self.fft_vxx_2_rxpath = fft.fft_vcc(fft_len, True, (), True, 1) self.fft_vxx_1_rxpath = fft.fft_vcc(fft_len, True, (()), True, 1) self.digital_packet_headerparser_b_rxpath = digital.packet_headerparser_b(header_formatter.base()) self.digital_packet_headergenerator_bb_txpath = digital.packet_headergenerator_bb( header_formatter.formatter(), "packet_len" ) self.digital_ofdm_sync_sc_cfb_rxpath = digital.ofdm_sync_sc_cfb(fft_len, fft_len / 4, False) self.digital_ofdm_serializer_vcc_payload_rxpath = digital.ofdm_serializer_vcc( fft_len, occupied_carriers, length_tag_key, packet_length_tag_key, 1, "", True ) self.digital_ofdm_serializer_vcc_header_rxpath = digital.ofdm_serializer_vcc( fft_len, occupied_carriers, length_tag_key, "", 0, "", True ) self.digital_ofdm_frame_equalizer_vcvc_2_rxpath = digital.ofdm_frame_equalizer_vcvc( payload_equalizer.base(), cp_len, length_tag_key, True, 0 ) self.digital_ofdm_frame_equalizer_vcvc_1_rxpath = digital.ofdm_frame_equalizer_vcvc( header_equalizer.base(), cp_len, length_tag_key, True, 1 ) self.digital_ofdm_cyclic_prefixer_txpath = digital.ofdm_cyclic_prefixer( fft_len, fft_len + cp_len, rolloff, packet_length_tag_key ) (self.digital_ofdm_cyclic_prefixer_txpath).set_min_output_buffer(24000) self.digital_ofdm_chanest_vcvc_rxpath = digital.ofdm_chanest_vcvc((sync_word1), (sync_word2), 1, 0, 3, False) self.digital_ofdm_carrier_allocator_cvc_txpath = digital.ofdm_carrier_allocator_cvc( fft_len, occupied_carriers, pilot_carriers, pilot_symbols, (sync_word1, sync_word2), packet_length_tag_key ) (self.digital_ofdm_carrier_allocator_cvc_txpath).set_min_output_buffer(16000) self.digital_header_payload_demux_rxpath = digital.header_payload_demux( 3, fft_len, cp_len, length_tag_key, "", True, gr.sizeof_gr_complex, "rx_time", samp_rate, () ) self.digital_crc32_bb_txpath = digital.crc32_bb(False, packet_length_tag_key) self.digital_crc32_bb_rxpath = digital.crc32_bb(True, packet_length_tag_key) self.digital_constellation_decoder_cb_1_rxpath = digital.constellation_decoder_cb(payload_mod.base()) self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(header_mod.base()) self.digital_chunks_to_symbols_x_txpath = digital.chunks_to_symbols_bc((payload_mod.points()), 1) self.digital_chunks_to_symbols_txpath = digital.chunks_to_symbols_bc((header_mod.points()), 1) self.digital_additive_scrambler_bb_txpath_0 = digital.additive_scrambler_bb( 0x8A, 0x7F, 7, 0, bits_per_byte=8, reset_tag_key=self.packet_length_tag_key ) self.digital_additive_scrambler_bb_rxpath_0 = digital.additive_scrambler_bb( 0x8A, 0x7F, 7, 0, bits_per_byte=8, reset_tag_key=self.packet_length_tag_key ) self.blocks_tagged_stream_mux_txpath = blocks.tagged_stream_mux( gr.sizeof_gr_complex * 1, packet_length_tag_key, 0 ) (self.blocks_tagged_stream_mux_txpath).set_min_output_buffer(16000) self.blocks_tag_gate_txpath = blocks.tag_gate(gr.sizeof_gr_complex * 1, False) self.blocks_repack_bits_bb_txpath = blocks.repack_bits_bb( 8, payload_mod.bits_per_symbol(), packet_length_tag_key, False ) self.blocks_repack_bits_bb_rxpath = blocks.repack_bits_bb( payload_mod.bits_per_symbol(), 8, packet_length_tag_key, True ) self.blocks_multiply_xx_rxpath = blocks.multiply_vcc(1) self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((0.01,)) self.blocks_delay_rxpath = blocks.delay(gr.sizeof_gr_complex * 1, fft_len + fft_len / 4) self.blks2_selector_0_2 = grc_blks2.selector( item_size=gr.sizeof_gr_complex * 1, num_inputs=2, num_outputs=1, input_index=clipper_mode, output_index=0 ) self.blks2_selector_0_1 = grc_blks2.selector( item_size=gr.sizeof_char * 1, num_inputs=2, num_outputs=1, input_index=scramble_mode, output_index=0 ) self.blks2_selector_0_0_0 = grc_blks2.selector( item_size=gr.sizeof_char * 1, num_inputs=2, num_outputs=1, input_index=scramble_mode, output_index=0 ) self.blks2_selector_0_0 = grc_blks2.selector( item_size=gr.sizeof_char * 1, num_inputs=2, num_outputs=1, input_index=crc_mode, output_index=0 ) self.blks2_selector_0 = grc_blks2.selector( item_size=gr.sizeof_char * 1, num_inputs=2, num_outputs=1, input_index=crc_mode, output_index=0 ) self.blks2_selector_0_2_0 = grc_blks2.selector( item_size=gr.sizeof_gr_complex * 1, num_inputs=2, num_outputs=1, input_index=filter_mode, output_index=0 ) self.analog_frequency_modulator_fc_rxpath = analog.frequency_modulator_fc(-2.0 / fft_len) self.analog_agc2_xx_0 = analog.agc2_cc(1e-1, 1e-2, 1.0, 1.0) self.analog_agc2_xx_0.set_max_gain(65536) ################################################## # Connections ################################################## self.connect((self.digital_ofdm_sync_sc_cfb_rxpath, 0), (self.analog_frequency_modulator_fc_rxpath, 0)) self.connect((self.analog_agc2_xx_0, 0), (self.digital_ofdm_sync_sc_cfb_rxpath, 0)) self.connect((self.analog_agc2_xx_0, 0), (self.blocks_delay_rxpath, 0)) self.connect((self.digital_packet_headergenerator_bb_txpath, 0), (self.digital_chunks_to_symbols_txpath, 0)) self.connect((self.blocks_repack_bits_bb_txpath, 0), (self.digital_chunks_to_symbols_x_txpath, 0)) self.connect((self.digital_chunks_to_symbols_txpath, 0), (self.blocks_tagged_stream_mux_txpath, 0)) self.connect((self.digital_chunks_to_symbols_x_txpath, 0), (self.blocks_tagged_stream_mux_txpath, 1)) self.connect((self.digital_ofdm_cyclic_prefixer_txpath, 0), (self.blocks_tag_gate_txpath, 0)) self.connect((self.fft_vxx_txpath, 0), (self.digital_ofdm_cyclic_prefixer_txpath, 0)) self.connect((self.blocks_tagged_stream_mux_txpath, 0), (self.digital_ofdm_carrier_allocator_cvc_txpath, 0)) self.connect((self.digital_ofdm_carrier_allocator_cvc_txpath, 0), (self.fft_vxx_txpath, 0)) self.connect((self.digital_header_payload_demux_rxpath, 0), (self.fft_vxx_1_rxpath, 0)) self.connect((self.fft_vxx_1_rxpath, 0), (self.digital_ofdm_chanest_vcvc_rxpath, 0)) self.connect( (self.digital_ofdm_frame_equalizer_vcvc_1_rxpath, 0), (self.digital_ofdm_serializer_vcc_header_rxpath, 0) ) self.connect((self.digital_ofdm_chanest_vcvc_rxpath, 0), (self.digital_ofdm_frame_equalizer_vcvc_1_rxpath, 0)) self.connect((self.digital_header_payload_demux_rxpath, 1), (self.fft_vxx_2_rxpath, 0)) self.connect( (self.digital_ofdm_frame_equalizer_vcvc_2_rxpath, 0), (self.digital_ofdm_serializer_vcc_payload_rxpath, 0) ) self.connect((self.fft_vxx_2_rxpath, 0), (self.digital_ofdm_frame_equalizer_vcvc_2_rxpath, 0)) self.connect( (self.digital_ofdm_serializer_vcc_payload_rxpath, 0), (self.digital_constellation_decoder_cb_1_rxpath, 0) ) self.connect((self.digital_constellation_decoder_cb_1_rxpath, 0), (self.blocks_repack_bits_bb_rxpath, 0)) self.connect((self.digital_ofdm_serializer_vcc_header_rxpath, 0), (self.digital_constellation_decoder_cb_0, 0)) self.connect((self.analog_frequency_modulator_fc_rxpath, 0), (self.blocks_multiply_xx_rxpath, 0)) self.connect((self.digital_ofdm_sync_sc_cfb_rxpath, 1), (self.digital_header_payload_demux_rxpath, 1)) self.connect((self.blocks_multiply_xx_rxpath, 0), (self.digital_header_payload_demux_rxpath, 0)) self.connect((self.blocks_delay_rxpath, 0), (self.blocks_multiply_xx_rxpath, 1)) self.connect((self.digital_constellation_decoder_cb_0, 0), (self.digital_packet_headerparser_b_rxpath, 0)) self.connect((self, 0), (self.digital_crc32_bb_txpath, 0)) self.connect((self, 1), (self.analog_agc2_xx_0, 0)) self.connect((self.blocks_tag_gate_txpath, 0), (self.blocks_multiply_const_vxx_0, 0)) self.connect((self, 0), (self.blks2_selector_0, 0)) self.connect((self.digital_crc32_bb_txpath, 0), (self.blks2_selector_0, 1)) self.connect((self.blks2_selector_0_1, 0), (self.blocks_repack_bits_bb_txpath, 0)) self.connect((self.blks2_selector_0, 0), (self.digital_packet_headergenerator_bb_txpath, 0)) self.connect((self.blks2_selector_0, 0), (self.digital_additive_scrambler_bb_txpath_0, 0)) self.connect((self.digital_additive_scrambler_bb_txpath_0, 0), (self.blks2_selector_0_1, 1)) self.connect((self.blks2_selector_0, 0), (self.blks2_selector_0_1, 0)) self.connect((self.digital_crc32_bb_rxpath, 0), (self.blks2_selector_0_0, 1)) self.connect((self.digital_additive_scrambler_bb_rxpath_0, 0), (self.blks2_selector_0_0_0, 1)) self.connect((self.blocks_repack_bits_bb_rxpath, 0), (self.digital_additive_scrambler_bb_rxpath_0, 0)) self.connect((self.blocks_repack_bits_bb_rxpath, 0), (self.blks2_selector_0_0_0, 0)) self.connect((self.blks2_selector_0_0_0, 0), (self.digital_crc32_bb_rxpath, 0)) self.connect((self.blks2_selector_0_0_0, 0), (self.blks2_selector_0_0, 0)) self.connect((self.blks2_selector_0_0, 0), (self, 0)) self.connect((self.blocks_multiply_const_vxx_0, 0), (self.ofdm_tools_clipper_0, 0)) self.connect((self.blocks_multiply_const_vxx_0, 0), (self.blks2_selector_0_2, 0)) self.connect(self.blks2_selector_0_2, self.iir_filter_xxx_1) self.connect(self.blks2_selector_0_2, (self.blks2_selector_0_2_0, 0)) self.connect(self.iir_filter_xxx_1, (self.blks2_selector_0_2_0, 1)) self.connect(self.blks2_selector_0_2_0, (self, 1)) self.connect((self.ofdm_tools_clipper_0, 0), (self.blks2_selector_0_2, 1)) ################################################## # Asynch Message Connections ################################################## self.msg_connect( self.digital_packet_headerparser_b_rxpath, "header_data", self.digital_header_payload_demux_rxpath, "header_data", )
def __init__(self): gr.top_block.__init__(self, "DL Demod training") Qt.QWidget.__init__(self) self.setWindowTitle("DL Demod training") qtgui.util.check_set_qss() try: self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc')) except: pass self.top_scroll_layout = Qt.QVBoxLayout() self.setLayout(self.top_scroll_layout) self.top_scroll = Qt.QScrollArea() self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame) self.top_scroll_layout.addWidget(self.top_scroll) self.top_scroll.setWidgetResizable(True) self.top_widget = Qt.QWidget() self.top_scroll.setWidget(self.top_widget) self.top_layout = Qt.QVBoxLayout(self.top_widget) self.top_grid_layout = Qt.QGridLayout() self.top_layout.addLayout(self.top_grid_layout) self.settings = Qt.QSettings("GNU Radio", "ofdm_base") try: if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"): self.restoreGeometry( self.settings.value("geometry").toByteArray()) else: self.restoreGeometry(self.settings.value("geometry")) except: pass ################################################## # Variables ################################################## self.pilot_symbols = pilot_symbols = (( 1, 1, 1, -1, ), ) self.pilot_carriers = pilot_carriers = (( -21, -7, 7, 21, ), ) self.payload_mod = payload_mod = digital.constellation_qpsk() self.packet_length_tag_key = packet_length_tag_key = "packet_length" self.occupied_carriers = occupied_carriers = ( list(range(-26, -21)) + list(range(-20, -7)) + list(range(-6, 0)) + list(range(1, 7)) + list(range(8, 21)) + list(range(22, 27)), ) self.length_tag_key_0 = length_tag_key_0 = "frame_len" self.length_tag_key = length_tag_key = "packet_len" self.header_mod = header_mod = digital.constellation_bpsk() self.fft_len = fft_len = 64 self.errors = errors = 0 self.variable_qtgui_label_0 = variable_qtgui_label_0 = errors self.training_mod = training_mod = 10 self.sync_word2 = sync_word2 = [ 0, 0, 0, 0, 0, 0, -1, -1, -1, -1, 1, 1, -1, -1, -1, 1, -1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, 1, -1, -1, 1, -1, 0, 1, -1, 1, 1, 1, -1, 1, 1, 1, -1, 1, 1, 1, 1, -1, 1, -1, -1, -1, 1, -1, 1, -1, -1, -1, -1, 0, 0, 0, 0, 0 ] self.sync_word1 = sync_word1 = [ 0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 0., 0., 0., 0., 0. ] self.stop_button = stop_button = 0 self.stop_button_args = stop_button_args = None self.start_button = start_button = 0 self.start_button_args = start_button_args = None self.snr_stop = snr_stop = 12 self.snr_step = snr_step = 0.2 self.snr_start = snr_start = -4 self.samp_rate = samp_rate = 1e6 self.rolloff = rolloff = 0 self.reset_ber = reset_ber = 0 self.reset_ber_args = reset_ber_args = None self.reset = reset = 0 self.reset_args = reset_args = None self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_simpledfe( fft_len, payload_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols, 1) self.packet_len = packet_len = 256 self.mag = mag = -4 self.header_formatter = header_formatter = digital.packet_header_ofdm( occupied_carriers, n_syms=1, len_tag_key=packet_length_tag_key, frame_len_tag_key=length_tag_key_0, bits_per_header_sym=header_mod.bits_per_symbol(), bits_per_payload_sym=payload_mod.bits_per_symbol(), scramble_header=False) self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe( fft_len, header_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols) self.hdr_format = hdr_format = digital.header_format_ofdm( occupied_carriers, 1, length_tag_key, ) self.gain_rx = gain_rx = 0 self.gain = gain = 30 self.freq = freq = 900e6 ################################################## # Blocks ################################################## self._training_mod_tool_bar = Qt.QToolBar(self) self._training_mod_tool_bar.addWidget( Qt.QLabel('Alternate training every' + ": ")) self._training_mod_line_edit = Qt.QLineEdit(str(self.training_mod)) self._training_mod_tool_bar.addWidget(self._training_mod_line_edit) self._training_mod_line_edit.returnPressed.connect( lambda: self.set_training_mod( int(str(self._training_mod_line_edit.text())))) self.top_grid_layout.addWidget(self._training_mod_tool_bar, 4, 0, 1, 1) for r in range(4, 5): self.top_grid_layout.setRowStretch(r, 1) for c in range(0, 1): self.top_grid_layout.setColumnStretch(c, 1) self._mag_range = Range(snr_start, 20, 0.01, -4, 200) self._mag_win = RangeWidget(self._mag_range, self.set_mag, 'Magnitude', "counter_slider", float) self.top_grid_layout.addWidget(self._mag_win, 2, 0, 2, 2) for r in range(2, 4): self.top_grid_layout.setRowStretch(r, 1) for c in range(0, 2): self.top_grid_layout.setColumnStretch(c, 1) self.learning_sweeper_0 = learning.sweeper( self, np.arange(snr_start, snr_stop, snr_step), 200, 'learning_ber_bf_0', 'blocks_probe_signal_x_0', self.set_mag) self.learning_dl_demod_0 = learning.dl_demod('packet_num', packet_len * 4, 16, training_mod, 0.05) self.learning_ber_bf_0 = learning.ber_bf(False, 100, -7.0, 2) self._gain_rx_range = Range(0, 90, .2, 0, 200) self._gain_rx_win = RangeWidget(self._gain_rx_range, self.set_gain_rx, 'Amplitude Rx', "counter_slider", float) self.top_grid_layout.addWidget(self._gain_rx_win, 0, 2, 2, 1) for r in range(0, 2): self.top_grid_layout.setRowStretch(r, 1) for c in range(2, 3): self.top_grid_layout.setColumnStretch(c, 1) self._gain_range = Range(0, 90, .2, 30, 200) self._gain_win = RangeWidget(self._gain_range, self.set_gain, 'Amplitude', "counter_slider", float) self.top_grid_layout.addWidget(self._gain_win, 0, 0, 2, 2) for r in range(0, 2): self.top_grid_layout.setRowStretch(r, 1) for c in range(0, 2): self.top_grid_layout.setColumnStretch(c, 1) self._variable_qtgui_label_0_tool_bar = Qt.QToolBar(self) if None: self._variable_qtgui_label_0_formatter = None else: self._variable_qtgui_label_0_formatter = lambda x: str(x) self._variable_qtgui_label_0_tool_bar.addWidget( Qt.QLabel('Error count' + ": ")) self._variable_qtgui_label_0_label = Qt.QLabel( str( self._variable_qtgui_label_0_formatter( self.variable_qtgui_label_0))) self._variable_qtgui_label_0_tool_bar.addWidget( self._variable_qtgui_label_0_label) self.top_grid_layout.addWidget(self._variable_qtgui_label_0_tool_bar, 4, 1, 1, 1) for r in range(4, 5): self.top_grid_layout.setRowStretch(r, 1) for c in range(1, 2): self.top_grid_layout.setColumnStretch(c, 1) self.uhd_usrp_source_0 = uhd.usrp_source( ",".join(("", "")), uhd.stream_args( cpu_format="fc32", args='', channels=[], ), ) self.uhd_usrp_source_0.set_center_freq(freq, 0) self.uhd_usrp_source_0.set_rx_agc(False, 0) self.uhd_usrp_source_0.set_gain(gain_rx, 0) self.uhd_usrp_source_0.set_antenna('RX2', 0) self.uhd_usrp_source_0.set_samp_rate(samp_rate) self.uhd_usrp_source_0.set_time_now(uhd.time_spec(time.time()), uhd.ALL_MBOARDS) self.uhd_usrp_sink_0 = uhd.usrp_sink( ",".join(("", "")), uhd.stream_args( cpu_format="fc32", args='', channels=[], ), '', ) self.uhd_usrp_sink_0.set_center_freq(freq, 0) self.uhd_usrp_sink_0.set_gain(gain, 0) self.uhd_usrp_sink_0.set_antenna('TX/RX', 0) self.uhd_usrp_sink_0.set_samp_rate(samp_rate) self.uhd_usrp_sink_0.set_time_now(uhd.time_spec(time.time()), uhd.ALL_MBOARDS) _stop_button_push_button = Qt.QPushButton('&Stop sweep') def stop_button_handler(): if self.stop_button_args is not None: self.set_stop_button(self.learning_sweeper_0.stop_sweep()) else: self.set_stop_button(self.learning_sweeper_0.stop_sweep()) _stop_button_push_button.clicked.connect(stop_button_handler) self.top_grid_layout.addWidget(_stop_button_push_button, 9, 0, 1, 1) for r in range(9, 10): self.top_grid_layout.setRowStretch(r, 1) for c in range(0, 1): self.top_grid_layout.setColumnStretch(c, 1) _start_button_push_button = Qt.QPushButton('&Start sweep') def start_button_handler(): if self.start_button_args is not None: self.set_start_button(self.learning_sweeper_0.start_sweep()) else: self.set_start_button(self.learning_sweeper_0.start_sweep()) _start_button_push_button.clicked.connect(start_button_handler) self.top_grid_layout.addWidget(_start_button_push_button, 8, 0, 1, 1) for r in range(8, 9): self.top_grid_layout.setRowStretch(r, 1) for c in range(0, 1): self.top_grid_layout.setColumnStretch(c, 1) _reset_ber_push_button = Qt.QPushButton( "Reset &BER last: {}".format(reset_ber)) def reset_ber_handler(): if self.reset_ber_args is not None: self.set_reset_ber(self.learning_ber_bf_0.reset_counters()) else: self.set_reset_ber(self.learning_ber_bf_0.reset_counters()) _reset_ber_push_button.clicked.connect(reset_ber_handler) self.top_grid_layout.addWidget(_reset_ber_push_button, 5, 1, 1, 1) for r in range(5, 6): self.top_grid_layout.setRowStretch(r, 1) for c in range(1, 2): self.top_grid_layout.setColumnStretch(c, 1) _reset_push_button = Qt.QPushButton('&Reset model state') def reset_handler(): if self.reset_args is not None: self.set_reset(self.learning_dl_demod_0.reset()) else: self.set_reset(self.learning_dl_demod_0.reset()) _reset_push_button.clicked.connect(reset_handler) self.top_grid_layout.addWidget(_reset_push_button, 5, 0, 1, 1) for r in range(5, 6): self.top_grid_layout.setRowStretch(r, 1) for c in range(0, 1): self.top_grid_layout.setColumnStretch(c, 1) self.qtgui_vector_sink_f_0 = qtgui.vector_sink_f( len(np.arange(snr_start, snr_stop, snr_step)), snr_start, snr_step, "Eb/N0", "BER (log)", "BER Curve", 2 # Number of inputs ) self.qtgui_vector_sink_f_0.set_update_time(0.10) self.qtgui_vector_sink_f_0.set_y_axis(-7, 0) self.qtgui_vector_sink_f_0.enable_autoscale(False) self.qtgui_vector_sink_f_0.enable_grid(False) self.qtgui_vector_sink_f_0.set_x_axis_units("") self.qtgui_vector_sink_f_0.set_y_axis_units("") self.qtgui_vector_sink_f_0.set_ref_level(0) labels = ['Measure', 'Theory', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "dark blue" ] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in range(2): if len(labels[i]) == 0: self.qtgui_vector_sink_f_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_vector_sink_f_0.set_line_label(i, labels[i]) self.qtgui_vector_sink_f_0.set_line_width(i, widths[i]) self.qtgui_vector_sink_f_0.set_line_color(i, colors[i]) self.qtgui_vector_sink_f_0.set_line_alpha(i, alphas[i]) self._qtgui_vector_sink_f_0_win = sip.wrapinstance( self.qtgui_vector_sink_f_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_vector_sink_f_0_win, 8, 1, 2, 1) for r in range(8, 10): self.top_grid_layout.setRowStretch(r, 1) for c in range(1, 2): self.top_grid_layout.setColumnStretch(c, 1) self.qtgui_time_sink_x_0_0 = qtgui.time_sink_f( 1024, #size samp_rate, #samp_rate 'Scope Plot', #name 1 #number of inputs ) self.qtgui_time_sink_x_0_0.set_update_time(0.10) self.qtgui_time_sink_x_0_0.set_y_axis(-1, 1) self.qtgui_time_sink_x_0_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_0_0.enable_tags(True) self.qtgui_time_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "packet_num") self.qtgui_time_sink_x_0_0.enable_autoscale(False) self.qtgui_time_sink_x_0_0.enable_grid(False) self.qtgui_time_sink_x_0_0.enable_axis_labels(True) self.qtgui_time_sink_x_0_0.enable_control_panel(False) self.qtgui_time_sink_x_0_0.enable_stem_plot(False) labels = ['Scope Plot', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ 'blue', 'red', 'green', 'black', 'cyan', 'magenta', 'yellow', 'dark red', 'dark green', 'dark blue' ] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] for i in range(1): if len(labels[i]) == 0: self.qtgui_time_sink_x_0_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_time_sink_x_0_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_0_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_0_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_0_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_0_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_0_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_0_0_win = sip.wrapinstance( self.qtgui_time_sink_x_0_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_0_win, 6, 1, 2, 2) for r in range(6, 8): self.top_grid_layout.setRowStretch(r, 1) for c in range(1, 3): self.top_grid_layout.setColumnStretch(c, 1) self.qtgui_number_sink_1_0 = qtgui.number_sink(gr.sizeof_float, 0, qtgui.NUM_GRAPH_HORIZ, 1) self.qtgui_number_sink_1_0.set_update_time(0.10) self.qtgui_number_sink_1_0.set_title("BER") labels = ['', '', '', '', '', '', '', '', '', ''] units = ['', '', '', '', '', '', '', '', '', ''] colors = [("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black")] factor = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] for i in range(1): self.qtgui_number_sink_1_0.set_min(i, 0) self.qtgui_number_sink_1_0.set_max(i, 100) self.qtgui_number_sink_1_0.set_color(i, colors[i][0], colors[i][1]) if len(labels[i]) == 0: self.qtgui_number_sink_1_0.set_label(i, "Data {0}".format(i)) else: self.qtgui_number_sink_1_0.set_label(i, labels[i]) self.qtgui_number_sink_1_0.set_unit(i, units[i]) self.qtgui_number_sink_1_0.set_factor(i, factor[i]) self.qtgui_number_sink_1_0.enable_autoscale(False) self._qtgui_number_sink_1_0_win = sip.wrapinstance( self.qtgui_number_sink_1_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_number_sink_1_0_win, 4, 2, 2, 1) for r in range(4, 6): self.top_grid_layout.setRowStretch(r, 1) for c in range(2, 3): self.top_grid_layout.setColumnStretch(c, 1) self.qtgui_number_sink_1 = qtgui.number_sink(gr.sizeof_float, 0.8, qtgui.NUM_GRAPH_HORIZ, 1) self.qtgui_number_sink_1.set_update_time(0.10) self.qtgui_number_sink_1.set_title("Eb/No") labels = ['', '', '', '', '', '', '', '', '', ''] units = ['', '', '', '', '', '', '', '', '', ''] colors = [("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black")] factor = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] for i in range(1): self.qtgui_number_sink_1.set_min(i, 0) self.qtgui_number_sink_1.set_max(i, 100) self.qtgui_number_sink_1.set_color(i, colors[i][0], colors[i][1]) if len(labels[i]) == 0: self.qtgui_number_sink_1.set_label(i, "Data {0}".format(i)) else: self.qtgui_number_sink_1.set_label(i, labels[i]) self.qtgui_number_sink_1.set_unit(i, units[i]) self.qtgui_number_sink_1.set_factor(i, factor[i]) self.qtgui_number_sink_1.enable_autoscale(False) self._qtgui_number_sink_1_win = sip.wrapinstance( self.qtgui_number_sink_1.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_number_sink_1_win, 2, 2, 2, 1) for r in range(2, 4): self.top_grid_layout.setRowStretch(r, 1) for c in range(2, 3): self.top_grid_layout.setColumnStretch(c, 1) self.qtgui_const_sink_x_0 = qtgui.const_sink_c( 1024, #size "", #name 1 #number of inputs ) self.qtgui_const_sink_x_0.set_update_time(0.10) self.qtgui_const_sink_x_0.set_y_axis(-2, 2) self.qtgui_const_sink_x_0.set_x_axis(-2, 2) self.qtgui_const_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.qtgui_const_sink_x_0.enable_autoscale(False) self.qtgui_const_sink_x_0.enable_grid(False) self.qtgui_const_sink_x_0.enable_axis_labels(True) labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "red", "red", "red", "red", "red", "red", "red", "red" ] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in range(1): if len(labels[i]) == 0: self.qtgui_const_sink_x_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_const_sink_x_0.set_line_label(i, labels[i]) self.qtgui_const_sink_x_0.set_line_width(i, widths[i]) self.qtgui_const_sink_x_0.set_line_color(i, colors[i]) self.qtgui_const_sink_x_0.set_line_style(i, styles[i]) self.qtgui_const_sink_x_0.set_line_marker(i, markers[i]) self.qtgui_const_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_const_sink_x_0_win = sip.wrapinstance( self.qtgui_const_sink_x_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_win, 6, 0, 2, 1) for r in range(6, 8): self.top_grid_layout.setRowStretch(r, 1) for c in range(0, 1): self.top_grid_layout.setColumnStretch(c, 1) self.learning_tag_numerotation_0 = learning.tag_numerotation( 'packet_num', packet_len * 4, 4096, "bb") self.fft_vxx_1 = fft.fft_vcc(fft_len, True, (), True, 1) self.fft_vxx_0_0 = fft.fft_vcc(fft_len, False, (), True, 1) self.fft_vxx_0 = fft.fft_vcc(fft_len, True, (), True, 1) def _errors_probe(): while True: val = self.learning_ber_bf_0.total_errors() try: self.set_errors(val) except AttributeError: pass time.sleep(1.0 / (10)) _errors_thread = threading.Thread(target=_errors_probe) _errors_thread.daemon = True _errors_thread.start() self.epy_block_0 = epy_block_0.alignement(tag_name="packet_num", frame_size=packet_len * 4) self.digital_protocol_formatter_bb_0 = digital.protocol_formatter_bb( hdr_format, length_tag_key) self.digital_packet_headerparser_b_0 = digital.packet_headerparser_b( header_formatter.base()) self.digital_ofdm_sync_sc_cfb_0 = digital.ofdm_sync_sc_cfb( fft_len, fft_len // 4, False, 0.95) self.digital_ofdm_serializer_vcc_payload = digital.ofdm_serializer_vcc( fft_len, occupied_carriers, length_tag_key_0, packet_length_tag_key, 1, '', True) self.digital_ofdm_serializer_vcc_header = digital.ofdm_serializer_vcc( fft_len, occupied_carriers, length_tag_key_0, '', 0, '', True) self.digital_ofdm_frame_equalizer_vcvc_1 = digital.ofdm_frame_equalizer_vcvc( payload_equalizer.base(), fft_len // 4, length_tag_key_0, True, 0) self.digital_ofdm_frame_equalizer_vcvc_0 = digital.ofdm_frame_equalizer_vcvc( header_equalizer.base(), fft_len // 4, length_tag_key_0, True, 1) self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer( fft_len, fft_len + fft_len // 4, rolloff, length_tag_key) self.digital_ofdm_chanest_vcvc_0 = digital.ofdm_chanest_vcvc( sync_word1, sync_word2, 1, 0, 3, False) self.digital_ofdm_carrier_allocator_cvc_0 = digital.ofdm_carrier_allocator_cvc( fft_len, occupied_carriers, pilot_carriers, pilot_symbols, (sync_word1, sync_word2), length_tag_key, True) self.digital_header_payload_demux_0 = digital.header_payload_demux( 3, fft_len, fft_len // 4, length_tag_key_0, "", True, gr.sizeof_gr_complex, "rx_time", int(samp_rate), (), 0) self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb( header_mod.base()) self.digital_chunks_to_symbols_xx_0_0_0 = digital.chunks_to_symbols_bc( payload_mod.points(), 1) self.digital_chunks_to_symbols_xx_0_0 = digital.chunks_to_symbols_bc( payload_mod.points(), 1) self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc( header_mod.points(), 1) self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux( gr.sizeof_gr_complex * 1, length_tag_key, 0) self.blocks_sub_xx_0_0 = blocks.sub_cc(1) self.blocks_sub_xx_0 = blocks.sub_ff(1) self.blocks_stream_to_tagged_stream_0_0 = blocks.stream_to_tagged_stream( gr.sizeof_char, 1, packet_len, length_tag_key) self.blocks_repack_bits_bb_0_0_0 = blocks.repack_bits_bb( 8, 1, length_tag_key, False, gr.GR_LSB_FIRST) self.blocks_repack_bits_bb_0_0 = blocks.repack_bits_bb( 8, payload_mod.bits_per_symbol(), length_tag_key, False, gr.GR_LSB_FIRST) self.blocks_probe_signal_x_0 = blocks.probe_signal_f() self.blocks_nlog10_ff_0 = blocks.nlog10_ff(-10, 1, 10 * np.log10(4 / 2)) self.blocks_multiply_xx_0 = blocks.multiply_vcc(1) self.blocks_multiply_const_xx_0 = blocks.multiply_const_cc(0.05, 1) self.blocks_moving_average_xx_0 = blocks.moving_average_ff( 5000, 1.0 / 5000, 4000, 1) self.blocks_delay_0 = blocks.delay(gr.sizeof_gr_complex * 1, fft_len + fft_len // 4) self.blocks_complex_to_mag_squared_0 = blocks.complex_to_mag_squared(1) self.blocks_char_to_float_0_0_0 = blocks.char_to_float(1, 1) self.blocks_char_to_float_0_0 = blocks.char_to_float(1, 1) self.blocks_add_xx_0 = blocks.add_vcc(1) self.analog_random_source_x_0_0 = blocks.vector_source_b( list(map(int, numpy.random.randint(0, 255, 1000))), True) self.analog_noise_source_x_0 = analog.noise_source_c( analog.GR_GAUSSIAN, np.sqrt(10**(np.log10(2) - (mag / 10.0))) * 1, -1) self.analog_frequency_modulator_fc_0 = analog.frequency_modulator_fc( -2.0 / fft_len) ################################################## # Connections ################################################## self.msg_connect((self.digital_packet_headerparser_b_0, 'header_data'), (self.digital_header_payload_demux_0, 'header_data')) self.connect((self.analog_frequency_modulator_fc_0, 0), (self.blocks_multiply_xx_0, 1)) self.connect((self.analog_noise_source_x_0, 0), (self.blocks_add_xx_0, 1)) self.connect((self.analog_random_source_x_0_0, 0), (self.blocks_stream_to_tagged_stream_0_0, 0)) self.connect((self.blocks_add_xx_0, 0), (self.epy_block_0, 0)) self.connect((self.blocks_add_xx_0, 0), (self.qtgui_const_sink_x_0, 0)) self.connect((self.blocks_char_to_float_0_0, 0), (self.blocks_sub_xx_0, 0)) self.connect((self.blocks_char_to_float_0_0_0, 0), (self.blocks_sub_xx_0, 1)) self.connect((self.blocks_complex_to_mag_squared_0, 0), (self.blocks_moving_average_xx_0, 0)) self.connect((self.blocks_delay_0, 0), (self.blocks_multiply_xx_0, 0)) self.connect((self.blocks_moving_average_xx_0, 0), (self.blocks_nlog10_ff_0, 0)) self.connect((self.blocks_multiply_const_xx_0, 0), (self.uhd_usrp_sink_0, 0)) self.connect((self.blocks_multiply_xx_0, 0), (self.digital_header_payload_demux_0, 0)) self.connect((self.blocks_nlog10_ff_0, 0), (self.qtgui_number_sink_1, 0)) self.connect((self.blocks_repack_bits_bb_0_0, 0), (self.learning_tag_numerotation_0, 0)) self.connect((self.blocks_repack_bits_bb_0_0_0, 0), (self.digital_chunks_to_symbols_xx_0, 0)) self.connect((self.blocks_stream_to_tagged_stream_0_0, 0), (self.blocks_repack_bits_bb_0_0, 0)) self.connect((self.blocks_stream_to_tagged_stream_0_0, 0), (self.digital_protocol_formatter_bb_0, 0)) self.connect((self.blocks_sub_xx_0, 0), (self.qtgui_time_sink_x_0_0, 0)) self.connect((self.blocks_sub_xx_0_0, 0), (self.blocks_complex_to_mag_squared_0, 0)) self.connect((self.blocks_tagged_stream_mux_0, 0), (self.digital_ofdm_carrier_allocator_cvc_0, 0)) self.connect((self.digital_chunks_to_symbols_xx_0, 0), (self.blocks_tagged_stream_mux_0, 0)) self.connect((self.digital_chunks_to_symbols_xx_0_0, 0), (self.blocks_tagged_stream_mux_0, 1)) self.connect((self.digital_chunks_to_symbols_xx_0_0_0, 0), (self.blocks_sub_xx_0_0, 1)) self.connect((self.digital_constellation_decoder_cb_0, 0), (self.digital_packet_headerparser_b_0, 0)) self.connect((self.digital_header_payload_demux_0, 0), (self.fft_vxx_0, 0)) self.connect((self.digital_header_payload_demux_0, 1), (self.fft_vxx_1, 0)) self.connect((self.digital_ofdm_carrier_allocator_cvc_0, 0), (self.fft_vxx_0_0, 0)) self.connect((self.digital_ofdm_chanest_vcvc_0, 0), (self.digital_ofdm_frame_equalizer_vcvc_0, 0)) self.connect((self.digital_ofdm_cyclic_prefixer_0, 0), (self.blocks_multiply_const_xx_0, 0)) self.connect((self.digital_ofdm_frame_equalizer_vcvc_0, 0), (self.digital_ofdm_serializer_vcc_header, 0)) self.connect((self.digital_ofdm_frame_equalizer_vcvc_1, 0), (self.digital_ofdm_serializer_vcc_payload, 0)) self.connect((self.digital_ofdm_serializer_vcc_header, 0), (self.digital_constellation_decoder_cb_0, 0)) self.connect((self.digital_ofdm_serializer_vcc_payload, 0), (self.blocks_add_xx_0, 0)) self.connect((self.digital_ofdm_sync_sc_cfb_0, 0), (self.analog_frequency_modulator_fc_0, 0)) self.connect((self.digital_ofdm_sync_sc_cfb_0, 1), (self.digital_header_payload_demux_0, 1)) self.connect((self.digital_protocol_formatter_bb_0, 0), (self.blocks_repack_bits_bb_0_0_0, 0)) self.connect((self.epy_block_0, 0), (self.blocks_sub_xx_0_0, 0)) self.connect((self.epy_block_0, 1), (self.digital_chunks_to_symbols_xx_0_0_0, 0)) self.connect((self.epy_block_0, 0), (self.learning_dl_demod_0, 0)) self.connect((self.epy_block_0, 1), (self.learning_dl_demod_0, 1)) self.connect((self.fft_vxx_0, 0), (self.digital_ofdm_chanest_vcvc_0, 0)) self.connect((self.fft_vxx_0_0, 0), (self.digital_ofdm_cyclic_prefixer_0, 0)) self.connect((self.fft_vxx_1, 0), (self.digital_ofdm_frame_equalizer_vcvc_1, 0)) self.connect((self.learning_ber_bf_0, 0), (self.blocks_probe_signal_x_0, 0)) self.connect((self.learning_ber_bf_0, 0), (self.qtgui_number_sink_1_0, 0)) self.connect((self.learning_dl_demod_0, 0), (self.blocks_char_to_float_0_0, 0)) self.connect((self.learning_dl_demod_0, 1), (self.blocks_char_to_float_0_0_0, 0)) self.connect((self.learning_dl_demod_0, 0), (self.learning_ber_bf_0, 0)) self.connect((self.learning_dl_demod_0, 1), (self.learning_ber_bf_0, 1)) self.connect((self.learning_sweeper_0, 0), (self.qtgui_vector_sink_f_0, 0)) self.connect((self.learning_sweeper_0, 1), (self.qtgui_vector_sink_f_0, 1)) self.connect((self.learning_tag_numerotation_0, 0), (self.digital_chunks_to_symbols_xx_0_0, 0)) self.connect((self.learning_tag_numerotation_0, 0), (self.epy_block_0, 1)) self.connect((self.uhd_usrp_source_0, 0), (self.blocks_delay_0, 0)) self.connect((self.uhd_usrp_source_0, 0), (self.digital_ofdm_sync_sc_cfb_0, 0))
def __init__(self, puncpat='11'): gr.top_block.__init__(self, "Tx No Gui") ################################################## # Parameters ################################################## self.puncpat = puncpat ################################################## # Variables ################################################## self.sps = sps = 4 self.samp_rate_array_MCR = samp_rate_array_MCR = [ 7500000, 5000000, 3750000, 3000000, 2500000, 2000000, 1500000, 1000000, 937500, 882352, 833333, 714285, 533333, 500000, 421052, 400000, 380952 ] self.nfilts = nfilts = 32 self.eb = eb = 0.22 self.H = H = fec.ldpc_H_matrix( '/usr/local/share/gnuradio/fec/ldpc/n_1100_k_0442_gap_24.alist', 24) self.vector = vector = [int(random.random() * 4) for i in range(49600)] self.variable_qtgui_range_0_0 = variable_qtgui_range_0_0 = 55 self.tx_rrc_taps = tx_rrc_taps = firdes.root_raised_cosine( nfilts, nfilts, 1.0, eb, 11 * sps * nfilts) self.samp_rate = samp_rate = samp_rate_array_MCR[6] self.pld_enc = pld_enc = map( (lambda a: fec.ldpc_par_mtrx_encoder_make_H(H)), range(0, 8)) self.pld_const = pld_const = digital.constellation_rect(([ 0.707 + 0.707j, -0.707 + 0.707j, -0.707 - 0.707j, 0.707 - 0.707j ]), ([0, 1, 2, 3]), 4, 2, 2, 1, 1).base() self.pld_const.gen_soft_dec_lut(8) self.frequencia_usrp = frequencia_usrp = 24e8 self.Y = Y = 0 self.X = X = 4 self.P_SIZE = P_SIZE = 2 self.P_PATTERN = P_PATTERN = 5 self.P = P = 0 self.MCR = MCR = "master_clock_rate=60e6" ################################################## # Blocks ################################################## self.uhd_usrp_sink_0_0 = uhd.usrp_sink( ",".join(("serial=F5EAE1", MCR)), uhd.stream_args( cpu_format="fc32", channels=range(1), ), ) self.uhd_usrp_sink_0_0.set_samp_rate(samp_rate) self.uhd_usrp_sink_0_0.set_time_now(uhd.time_spec(time.time()), uhd.ALL_MBOARDS) self.uhd_usrp_sink_0_0.set_center_freq(frequencia_usrp, 0) self.uhd_usrp_sink_0_0.set_gain(variable_qtgui_range_0_0, 0) self.uhd_usrp_sink_0_0.set_antenna('TX/RX', 0) self.scrambler_cpp_additive_scrambler_0 = scrambler_cpp.additive_scrambler( 0x8A, 0x7F, 7, 440 - 8) self.pfb_arb_resampler_xxx_0 = pfb.arb_resampler_ccf( sps, taps=(tx_rrc_taps), flt_size=nfilts) self.pfb_arb_resampler_xxx_0.declare_sample_delay(0) self.insert_vec_cpp_new_vec_0 = insert_vec_cpp.new_vec((vector)) self.fec_puncture_xx_0 = fec.puncture_bb(2, 3, 0) self.fec_extended_encoder_0 = fec.extended_encoder( encoder_obj_list=pld_enc, threading='capillary', puncpat=puncpat) self.digital_diff_encoder_bb_0 = digital.diff_encoder_bb( pld_const.arity()) self.digital_chunks_to_symbols_xx_0_0 = digital.chunks_to_symbols_bc( (pld_const.points()), 1) self.blocks_vector_source_x_0_0_1 = blocks.vector_source_b([0], True, 1, []) self.blocks_vector_source_x_0_0_0 = blocks.vector_source_b([0], True, 1, []) self.blocks_vector_source_x_0_0 = blocks.vector_source_b([0], True, 1, []) self.blocks_stream_mux_0_1_0_0 = blocks.stream_mux( gr.sizeof_char * 1, (96, (1100 + X - P) + Y)) self.blocks_stream_mux_0_0_1 = blocks.stream_mux( gr.sizeof_char * 1, ((1100 + X - P), Y)) self.blocks_stream_mux_0_0_0 = blocks.stream_mux( gr.sizeof_char * 1, (1100, X)) self.blocks_stream_mux_0_0 = blocks.stream_mux(gr.sizeof_char * 1, (440, 2)) self.blocks_repack_bits_bb_1_0_0_1 = blocks.repack_bits_bb( 8, 1, '', False, gr.GR_MSB_FIRST) self.blocks_repack_bits_bb_1_0_0_0 = blocks.repack_bits_bb( 1, pld_const.bits_per_symbol(), '', False, gr.GR_MSB_FIRST) self.blocks_multiply_const_vxx_1 = blocks.multiply_const_vcc((0.7, )) self.blocks_file_source_0_0_1_0_1 = blocks.file_source( gr.sizeof_char * 1, '/home/andre/Desktop/Files_To_Transmit/trasmit_1_mb.txt', False) self.blocks_file_source_0_0_1_0_1.set_begin_tag(pmt.PMT_NIL) self.acode_1104 = blocks.vector_source_b([ 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0 ], True, 1, []) ################################################## # Connections ################################################## self.connect((self.acode_1104, 0), (self.blocks_stream_mux_0_1_0_0, 0)) self.connect((self.blocks_file_source_0_0_1_0_1, 0), (self.blocks_repack_bits_bb_1_0_0_1, 0)) self.connect((self.blocks_multiply_const_vxx_1, 0), (self.uhd_usrp_sink_0_0, 0)) self.connect((self.blocks_repack_bits_bb_1_0_0_0, 0), (self.insert_vec_cpp_new_vec_0, 0)) self.connect((self.blocks_repack_bits_bb_1_0_0_1, 0), (self.scrambler_cpp_additive_scrambler_0, 0)) self.connect((self.blocks_stream_mux_0_0, 0), (self.fec_extended_encoder_0, 0)) self.connect((self.blocks_stream_mux_0_0_0, 0), (self.fec_puncture_xx_0, 0)) self.connect((self.blocks_stream_mux_0_0_1, 0), (self.blocks_stream_mux_0_1_0_0, 1)) self.connect((self.blocks_stream_mux_0_1_0_0, 0), (self.blocks_repack_bits_bb_1_0_0_0, 0)) self.connect((self.blocks_vector_source_x_0_0, 0), (self.blocks_stream_mux_0_0, 1)) self.connect((self.blocks_vector_source_x_0_0_0, 0), (self.blocks_stream_mux_0_0_0, 1)) self.connect((self.blocks_vector_source_x_0_0_1, 0), (self.blocks_stream_mux_0_0_1, 1)) self.connect((self.digital_chunks_to_symbols_xx_0_0, 0), (self.pfb_arb_resampler_xxx_0, 0)) self.connect((self.digital_diff_encoder_bb_0, 0), (self.digital_chunks_to_symbols_xx_0_0, 0)) self.connect((self.fec_extended_encoder_0, 0), (self.blocks_stream_mux_0_0_0, 0)) self.connect((self.fec_puncture_xx_0, 0), (self.blocks_stream_mux_0_0_1, 0)) self.connect((self.insert_vec_cpp_new_vec_0, 0), (self.digital_diff_encoder_bb_0, 0)) self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.blocks_multiply_const_vxx_1, 0)) self.connect((self.scrambler_cpp_additive_scrambler_0, 0), (self.blocks_stream_mux_0_0, 0))
def __init__(self, fft_len=_def_fft_len, cp_len=_def_cp_len, packet_length_tag_key=_def_packet_length_tag_key, occupied_carriers=_def_occupied_carriers, pilot_carriers=_def_pilot_carriers, pilot_symbols=_def_pilot_symbols, bps_header=1, bps_payload=1, sync_word1=None, sync_word2=None, rolloff=0, debug_log=False, scramble_bits=False ): gr.hier_block2.__init__(self, "ofdm_tx", gr.io_signature(1, 1, gr.sizeof_char), gr.io_signature(1, 1, gr.sizeof_gr_complex)) ### Param init / sanity check ######################################## self.fft_len = fft_len self.cp_len = cp_len self.packet_length_tag_key = packet_length_tag_key self.occupied_carriers = occupied_carriers self.pilot_carriers = pilot_carriers self.pilot_symbols = pilot_symbols self.bps_header = bps_header self.bps_payload = bps_payload self.sync_word1 = sync_word1 if sync_word1 is None: self.sync_word1 = _make_sync_word1(fft_len, occupied_carriers, pilot_carriers) else: if len(sync_word1) != self.fft_len: raise ValueError("Length of sync sequence(s) must be FFT length.") self.sync_words = [self.sync_word1,] if sync_word2 is None: self.sync_word2 = _make_sync_word2(fft_len, occupied_carriers, pilot_carriers) else: self.sync_word2 = sync_word2 if len(self.sync_word2): if len(self.sync_word2) != fft_len: raise ValueError("Length of sync sequence(s) must be FFT length.") self.sync_word2 = list(self.sync_word2) self.sync_words.append(self.sync_word2) if scramble_bits: self.scramble_seed = 0x7f else: self.scramble_seed = 0x00 # We deactivate the scrambler by init'ing it with zeros ### Header modulation ################################################ crc = digital.crc32_bb(False, self.packet_length_tag_key) header_constellation = _get_constellation(bps_header) header_mod = digital.chunks_to_symbols_bc(header_constellation.points()) formatter_object = digital.packet_header_ofdm( occupied_carriers=occupied_carriers, n_syms=1, bits_per_header_sym=self.bps_header, bits_per_payload_sym=self.bps_payload, scramble_header=scramble_bits ) header_gen = digital.packet_headergenerator_bb(formatter_object.base(), self.packet_length_tag_key) header_payload_mux = blocks.tagged_stream_mux( itemsize=gr.sizeof_gr_complex*1, lengthtagname=self.packet_length_tag_key, tag_preserve_head_pos=1 # Head tags on the payload stream stay on the head ) self.connect( self, crc, header_gen, header_mod, (header_payload_mux, 0) ) if debug_log: self.connect(header_gen, blocks.file_sink(1, 'tx-hdr.dat')) ### Payload modulation ############################################### payload_constellation = _get_constellation(bps_payload) payload_mod = digital.chunks_to_symbols_bc(payload_constellation.points()) payload_scrambler = digital.additive_scrambler_bb( 0x8a, self.scramble_seed, 7, 0, # Don't reset after fixed length (let the reset tag do that) bits_per_byte=8, # This is before unpacking reset_tag_key=self.packet_length_tag_key ) payload_unpack = blocks.repack_bits_bb( 8, # Unpack 8 bits per byte bps_payload, self.packet_length_tag_key ) self.connect( crc, payload_scrambler, payload_unpack, payload_mod, (header_payload_mux, 1) ) ### Create OFDM frame ################################################ allocator = digital.ofdm_carrier_allocator_cvc( self.fft_len, occupied_carriers=self.occupied_carriers, pilot_carriers=self.pilot_carriers, pilot_symbols=self.pilot_symbols, sync_words=self.sync_words, len_tag_key=self.packet_length_tag_key ) ffter = fft.fft_vcc( self.fft_len, False, # Inverse FFT (), # No window True # Shift ) cyclic_prefixer = digital.ofdm_cyclic_prefixer( self.fft_len, self.fft_len+self.cp_len, rolloff, self.packet_length_tag_key ) self.connect(header_payload_mux, allocator, ffter, cyclic_prefixer, self) if debug_log: self.connect(allocator, blocks.file_sink(gr.sizeof_gr_complex * fft_len, 'tx-post-allocator.dat')) self.connect(cyclic_prefixer, blocks.file_sink(gr.sizeof_gr_complex, 'tx-signal.dat'))
def __init__(self): gr.top_block.__init__(self, "Rx Ofdm") ################################################## # Variables ################################################## self.pilot_symbols = pilot_symbols = (( 1, 1, 1, -1, ), ) self.pilot_carriers = pilot_carriers = (( -21, -7, 7, 21, ), ) self.payload_mod = payload_mod = digital.constellation_qpsk() self.packet_length_tag_key = packet_length_tag_key = "packet_len" self.occupied_carriers = occupied_carriers = ( range(-26, -21) + range(-20, -7) + range(-6, 0) + range(1, 7) + range(8, 21) + range(22, 27), ) self.length_tag_key = length_tag_key = "frame_len" self.header_mod = header_mod = digital.constellation_bpsk() self.fft_len = fft_len = 64 self.sync_word2 = sync_word2 = [ 0, 0, 0, 0, 0, 0, -1, -1, -1, -1, 1, 1, -1, -1, -1, 1, -1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, 1, -1, -1, 1, -1, 0, 1, -1, 1, 1, 1, -1, 1, 1, 1, -1, 1, 1, 1, 1, -1, 1, -1, -1, -1, 1, -1, 1, -1, -1, -1, -1, 0, 0, 0, 0, 0 ] self.sync_word1 = sync_word1 = [ 0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 0., 0., 0., 0., 0. ] self.samp_rate = samp_rate = 1000000 self.rx_gain = rx_gain = 0 self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_simpledfe( fft_len, payload_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols, 0, 1) self.ip_address = ip_address = 'addr=192.168.10.3' self.header_formatter = header_formatter = digital.packet_header_ofdm( occupied_carriers, n_syms=1, len_tag_key=packet_length_tag_key, frame_len_tag_key=length_tag_key, bits_per_header_sym=header_mod.bits_per_symbol(), bits_per_payload_sym=payload_mod.bits_per_symbol(), scramble_header=False) self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe( fft_len, header_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols, 0, 1) self.fc = fc = 1.2e9 ################################################## # Blocks ################################################## self.uhd_usrp_source_1 = uhd.usrp_source( ",".join((ip_address, "")), uhd.stream_args( cpu_format="fc32", channels=range(1), ), ) self.uhd_usrp_source_1.set_samp_rate(samp_rate) self.uhd_usrp_source_1.set_center_freq(fc, 0) self.uhd_usrp_source_1.set_gain(rx_gain, 0) self.uhd_usrp_source_1.set_antenna('TX/RX', 0) self.projectCACHE_crc32_1_bb_0 = projectCACHE.crc32_1_bb( True, packet_length_tag_key) self.fft_vxx_1 = fft.fft_vcc(fft_len, True, (), True, 1) self.fft_vxx_0 = fft.fft_vcc(fft_len, True, (()), True, 1) self.digital_packet_headerparser_b_0 = digital.packet_headerparser_b( header_formatter.base()) self.digital_ofdm_sync_sc_cfb_0 = digital.ofdm_sync_sc_cfb( fft_len, fft_len / 4, False, 0.9) self.digital_ofdm_serializer_vcc_payload = digital.ofdm_serializer_vcc( fft_len, occupied_carriers, length_tag_key, packet_length_tag_key, 1, '', True) self.digital_ofdm_serializer_vcc_header = digital.ofdm_serializer_vcc( fft_len, occupied_carriers, length_tag_key, '', 0, '', True) self.digital_ofdm_frame_equalizer_vcvc_1 = digital.ofdm_frame_equalizer_vcvc( payload_equalizer.base(), fft_len / 4, length_tag_key, True, 0) self.digital_ofdm_frame_equalizer_vcvc_0 = digital.ofdm_frame_equalizer_vcvc( header_equalizer.base(), fft_len / 4, length_tag_key, True, 1) self.digital_ofdm_chanest_vcvc_0 = digital.ofdm_chanest_vcvc( (sync_word1), (sync_word2), 1, 0, -1, False) self.digital_header_payload_demux_0 = digital.header_payload_demux( 3, fft_len, fft_len / 4, length_tag_key, "", True, gr.sizeof_gr_complex, "rx_time", samp_rate, (), 0, ) self.digital_constellation_decoder_cb_1 = digital.constellation_decoder_cb( payload_mod.base()) self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb( header_mod.base()) self.blocks_tag_debug_0 = blocks.tag_debug(gr.sizeof_char * 1, '', "") self.blocks_tag_debug_0.set_display(True) self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb( payload_mod.bits_per_symbol(), 8, packet_length_tag_key, True, gr.GR_LSB_FIRST) self.blocks_multiply_xx_0 = blocks.multiply_vcc(1) self.blocks_delay_0 = blocks.delay(gr.sizeof_gr_complex * 1, fft_len + fft_len / 4) self.analog_frequency_modulator_fc_0 = analog.frequency_modulator_fc( -2.0 / fft_len) ################################################## # Connections ################################################## self.msg_connect((self.digital_packet_headerparser_b_0, 'header_data'), (self.digital_header_payload_demux_0, 'header_data')) self.connect((self.analog_frequency_modulator_fc_0, 0), (self.blocks_multiply_xx_0, 0)) self.connect((self.blocks_delay_0, 0), (self.blocks_multiply_xx_0, 1)) self.connect((self.blocks_multiply_xx_0, 0), (self.digital_header_payload_demux_0, 0)) self.connect((self.blocks_repack_bits_bb_0, 0), (self.projectCACHE_crc32_1_bb_0, 0)) self.connect((self.digital_constellation_decoder_cb_0, 0), (self.digital_packet_headerparser_b_0, 0)) self.connect((self.digital_constellation_decoder_cb_1, 0), (self.blocks_repack_bits_bb_0, 0)) self.connect((self.digital_header_payload_demux_0, 0), (self.fft_vxx_0, 0)) self.connect((self.digital_header_payload_demux_0, 1), (self.fft_vxx_1, 0)) self.connect((self.digital_ofdm_chanest_vcvc_0, 0), (self.digital_ofdm_frame_equalizer_vcvc_0, 0)) self.connect((self.digital_ofdm_frame_equalizer_vcvc_0, 0), (self.digital_ofdm_serializer_vcc_header, 0)) self.connect((self.digital_ofdm_frame_equalizer_vcvc_1, 0), (self.digital_ofdm_serializer_vcc_payload, 0)) self.connect((self.digital_ofdm_serializer_vcc_header, 0), (self.digital_constellation_decoder_cb_0, 0)) self.connect((self.digital_ofdm_serializer_vcc_payload, 0), (self.digital_constellation_decoder_cb_1, 0)) self.connect((self.digital_ofdm_sync_sc_cfb_0, 0), (self.analog_frequency_modulator_fc_0, 0)) self.connect((self.digital_ofdm_sync_sc_cfb_0, 1), (self.digital_header_payload_demux_0, 1)) self.connect((self.fft_vxx_0, 0), (self.digital_ofdm_chanest_vcvc_0, 0)) self.connect((self.fft_vxx_1, 0), (self.digital_ofdm_frame_equalizer_vcvc_1, 0)) self.connect((self.projectCACHE_crc32_1_bb_0, 0), (self.blocks_tag_debug_0, 0)) self.connect((self.uhd_usrp_source_1, 0), (self.blocks_delay_0, 0)) self.connect((self.uhd_usrp_source_1, 0), (self.digital_ofdm_sync_sc_cfb_0, 0))
def __init__(self): parser = ArgumentParser() parser.add_argument("-i", "--ifile", dest="ifilename", help="read from FILE", metavar="FILE", required=True) parser.add_argument("-o", "--ofile", dest="ofilename", help="write to FILE", metavar="FILE", required=True) args = parser.parse_args() print("Reading from file {}".format(args.ifilename)) print("Writing to file {}".format(args.ofilename)) gr.top_block.__init__(self, "Not titled yet") Qt.QWidget.__init__(self) self.setWindowTitle("Not titled yet") qtgui.util.check_set_qss() try: self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc')) except: pass self.top_scroll_layout = Qt.QVBoxLayout() self.setLayout(self.top_scroll_layout) self.top_scroll = Qt.QScrollArea() self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame) self.top_scroll_layout.addWidget(self.top_scroll) self.top_scroll.setWidgetResizable(True) self.top_widget = Qt.QWidget() self.top_scroll.setWidget(self.top_widget) self.top_layout = Qt.QVBoxLayout(self.top_widget) self.top_grid_layout = Qt.QGridLayout() self.top_layout.addLayout(self.top_grid_layout) self.settings = Qt.QSettings("GNU Radio", "somfy_receiver") try: if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"): self.restoreGeometry( self.settings.value("geometry").toByteArray()) else: self.restoreGeometry(self.settings.value("geometry")) except: pass ################################################## # Variables ################################################## self.zeta = zeta = 1.0 self.ted_gain = ted_gain = 1 self.samp_rate = samp_rate = 2.4e6 self.samp_per_sym = samp_per_sym = 5 self.omega_n_norm = omega_n_norm = 0.045 self.ofile = ofile = args.ofilename self.ifile = ifile = args.ifilename self.fmid = fmid = 868.949e6 self.dfctr3 = dfctr3 = 0 self.dfctr2 = dfctr2 = -19.2e3 self.dfctr1 = dfctr1 = 19.2e3 self.baud_rate = baud_rate = 4800 * 4 ################################################## # Blocks ################################################## self._zeta_range = Range(0.1, 5.0, 0.1, 1.0, 200) self._zeta_win = RangeWidget(self._zeta_range, self.set_zeta, 'Damping Factor', "counter_slider", float) self.top_grid_layout.addWidget(self._zeta_win, 0, 0, 1, 2) for r in range(0, 1): self.top_grid_layout.setRowStretch(r, 1) for c in range(0, 2): self.top_grid_layout.setColumnStretch(c, 1) self._ted_gain_range = Range(0.05, 5.0, 0.01, 1, 200) self._ted_gain_win = RangeWidget(self._ted_gain_range, self.set_ted_gain, 'Expected TED Gain', "counter_slider", float) self.top_grid_layout.addWidget(self._ted_gain_win, 2, 0, 1, 2) for r in range(2, 3): self.top_grid_layout.setRowStretch(r, 1) for c in range(0, 2): self.top_grid_layout.setColumnStretch(c, 1) self._omega_n_norm_range = Range(0.0, 2.0 * math.pi * 0.25, 0.001, 0.045, 200) self._omega_n_norm_win = RangeWidget(self._omega_n_norm_range, self.set_omega_n_norm, 'Normalized Bandwidth', "counter_slider", float) self.top_grid_layout.addWidget(self._omega_n_norm_win, 1, 0, 1, 2) for r in range(1, 2): self.top_grid_layout.setRowStretch(r, 1) for c in range(0, 2): self.top_grid_layout.setColumnStretch(c, 1) self.qtgui_time_sink_x_0_0_0_0_0 = qtgui.time_sink_f( 256, #size baud_rate, #samp_rate 'Symbol Synced Output and Debug', #name 4 #number of inputs ) self.qtgui_time_sink_x_0_0_0_0_0.set_update_time(0.1) self.qtgui_time_sink_x_0_0_0_0_0.set_y_axis(-1.5, samp_per_sym + 2) self.qtgui_time_sink_x_0_0_0_0_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_0_0_0_0_0.enable_tags(True) self.qtgui_time_sink_x_0_0_0_0_0.set_trigger_mode( qtgui.TRIG_MODE_NORM, qtgui.TRIG_SLOPE_POS, 0.1, 0.01, 0, "time_est") self.qtgui_time_sink_x_0_0_0_0_0.enable_autoscale(False) self.qtgui_time_sink_x_0_0_0_0_0.enable_grid(False) self.qtgui_time_sink_x_0_0_0_0_0.enable_axis_labels(True) self.qtgui_time_sink_x_0_0_0_0_0.enable_control_panel(False) self.qtgui_time_sink_x_0_0_0_0_0.enable_stem_plot(False) labels = [ 'Soft Bits', 'Error', 'Instantaneous Period', 'Average Period', '', '', '', '', '', '' ] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ 'blue', 'red', 'green', 'black', 'cyan', 'magenta', 'yellow', 'dark red', 'dark green', 'dark blue' ] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [0, -1, -1, -1, -1, -1, -1, -1, -1, -1] for i in range(4): if len(labels[i]) == 0: self.qtgui_time_sink_x_0_0_0_0_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_time_sink_x_0_0_0_0_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_0_0_0_0_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_0_0_0_0_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_0_0_0_0_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_0_0_0_0_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_0_0_0_0_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_0_0_0_0_0_win = sip.wrapinstance( self.qtgui_time_sink_x_0_0_0_0_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_0_0_0_0_win, 3, 1, 1, 2) for r in range(3, 4): self.top_grid_layout.setRowStretch(r, 1) for c in range(1, 3): self.top_grid_layout.setColumnStretch(c, 1) self.qtgui_freq_sink_x_1 = qtgui.freq_sink_c( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw "", #name 3) self.qtgui_freq_sink_x_1.set_update_time(0.10) self.qtgui_freq_sink_x_1.set_y_axis(-140, 10) self.qtgui_freq_sink_x_1.set_y_label('Relative Gain', 'dB') self.qtgui_freq_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "") self.qtgui_freq_sink_x_1.enable_autoscale(False) self.qtgui_freq_sink_x_1.enable_grid(False) self.qtgui_freq_sink_x_1.set_fft_average(1.0) self.qtgui_freq_sink_x_1.enable_axis_labels(True) self.qtgui_freq_sink_x_1.enable_control_panel(False) labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "dark blue" ] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in range(3): if len(labels[i]) == 0: self.qtgui_freq_sink_x_1.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_freq_sink_x_1.set_line_label(i, labels[i]) self.qtgui_freq_sink_x_1.set_line_width(i, widths[i]) self.qtgui_freq_sink_x_1.set_line_color(i, colors[i]) self.qtgui_freq_sink_x_1.set_line_alpha(i, alphas[i]) self._qtgui_freq_sink_x_1_win = sip.wrapinstance( self.qtgui_freq_sink_x_1.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_1_win, 3, 0, 1, 1) for r in range(3, 4): self.top_grid_layout.setRowStretch(r, 1) for c in range(0, 1): self.top_grid_layout.setColumnStretch(c, 1) self.fir_filter_xxx_0_1_0_0_0_0_0 = filter.fir_filter_fff( 1, [1.0 / float(samp_per_sym)] * samp_per_sym) self.fir_filter_xxx_0_1_0_0_0_0_0.declare_sample_delay( int((samp_per_sym - 1.0) / 2.0) + 4) self.fir_filter_xxx_0_1_0_0_0_0 = filter.fir_filter_fff( 1, [1.0 / float(samp_per_sym)] * samp_per_sym) self.fir_filter_xxx_0_1_0_0_0_0.declare_sample_delay( int((samp_per_sym - 1.0) / 2.0) + 4) self.fir_filter_xxx_0_1_0_0_0 = filter.fir_filter_fff( 1, [1.0 / float(samp_per_sym)] * samp_per_sym) self.fir_filter_xxx_0_1_0_0_0.declare_sample_delay( int((samp_per_sym - 1.0) / 2.0) + 4) self.extract_payload_0_0_0 = extract_payload.extract_payload( (1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1), 40 * 8, 40 * 8) self.extract_payload_0_0 = extract_payload.extract_payload( (1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1), 40 * 8, 40 * 8) self.extract_payload_0 = extract_payload.extract_payload( (1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1), 40 * 8, 40 * 8) self.digital_symbol_sync_xx_0_0_0_0 = digital.symbol_sync_ff( digital.TED_GARDNER, samp_per_sym, omega_n_norm, zeta, ted_gain, 1.5, 1, digital.constellation_bpsk().base(), digital.IR_MMSE_8TAP, 128, []) self.digital_symbol_sync_xx_0_0_0 = digital.symbol_sync_ff( digital.TED_GARDNER, samp_per_sym, omega_n_norm, zeta, ted_gain, 1.5, 1, digital.constellation_bpsk().base(), digital.IR_MMSE_8TAP, 128, []) self.digital_symbol_sync_xx_0_0 = digital.symbol_sync_ff( digital.TED_GARDNER, samp_per_sym, omega_n_norm, zeta, ted_gain, 1.5, 1, digital.constellation_bpsk().base(), digital.IR_MMSE_8TAP, 128, []) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1, samp_rate, True) self.blocks_threshold_ff_0_0_0 = blocks.threshold_ff(-0.2, 0.2, 0) self.blocks_threshold_ff_0_0 = blocks.threshold_ff(-0.2, 0.2, 0) self.blocks_threshold_ff_0 = blocks.threshold_ff(-0.2, 0.2, 0) self.blocks_streams_to_vector_0_0 = blocks.streams_to_vector( gr.sizeof_char * 1, 3) self.blocks_repack_bits_bb_0_0_0 = blocks.repack_bits_bb( 1, 8, "", False, gr.GR_MSB_FIRST) self.blocks_repack_bits_bb_0_0 = blocks.repack_bits_bb( 1, 8, "", False, gr.GR_MSB_FIRST) self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb( 1, 8, "", False, gr.GR_MSB_FIRST) self.blocks_float_to_char_0_0_0 = blocks.float_to_char(1, 1) self.blocks_float_to_char_0_0 = blocks.float_to_char(1, 1) self.blocks_float_to_char_0 = blocks.float_to_char(1, 1) self.blocks_file_source_0 = blocks.file_source( gr.sizeof_gr_complex * 1, ifile, False, 0, 0) self.blocks_file_source_0.set_begin_tag(pmt.PMT_NIL) self.blocks_file_sink_0_0_0_0_0_1_0 = blocks.file_sink( gr.sizeof_char * 1, ofile + "_chn2.bin", False) self.blocks_file_sink_0_0_0_0_0_1_0.set_unbuffered(True) self.blocks_file_sink_0_0_0_0_0_1 = blocks.file_sink( gr.sizeof_char * 1, ofile + "_chn3.bin", False) self.blocks_file_sink_0_0_0_0_0_1.set_unbuffered(True) self.blocks_file_sink_0_0_0_0_0 = blocks.file_sink( gr.sizeof_char * 1, ofile + "_chn1.bin", False) self.blocks_file_sink_0_0_0_0_0.set_unbuffered(True) self.blocks_file_sink_0_0 = blocks.file_sink( gr.sizeof_float * 3, '/Users/kesenheimer/Documents/Basteln/SDR/gnuRadio_projects/Somfy/io_homecontrol_96k_sliced.raw', False) self.blocks_file_sink_0_0.set_unbuffered(False) self.blocks_char_to_float_0 = blocks.char_to_float(3, 1) self.OOK_demodulator_improved_0_1 = OOK_demodulator_improved( fbaud=baud_rate, freq=dfctr2, offset=0.5, re_samp_rate=96000, samp_rate=samp_rate, ) self.OOK_demodulator_improved_0_0 = OOK_demodulator_improved( fbaud=baud_rate, freq=dfctr3, offset=-0.01, re_samp_rate=96000, samp_rate=samp_rate, ) self.OOK_demodulator_improved_0 = OOK_demodulator_improved( fbaud=baud_rate, freq=dfctr1, offset=-0.5, re_samp_rate=96000, samp_rate=samp_rate, ) ################################################## # Connections ################################################## self.connect((self.OOK_demodulator_improved_0, 1), (self.blocks_streams_to_vector_0_0, 0)) self.connect((self.OOK_demodulator_improved_0, 0), (self.fir_filter_xxx_0_1_0_0_0, 0)) self.connect((self.OOK_demodulator_improved_0, 2), (self.qtgui_freq_sink_x_1, 0)) self.connect((self.OOK_demodulator_improved_0_0, 1), (self.blocks_streams_to_vector_0_0, 1)) self.connect((self.OOK_demodulator_improved_0_0, 0), (self.fir_filter_xxx_0_1_0_0_0_0, 0)) self.connect((self.OOK_demodulator_improved_0_0, 2), (self.qtgui_freq_sink_x_1, 1)) self.connect((self.OOK_demodulator_improved_0_1, 1), (self.blocks_streams_to_vector_0_0, 2)) self.connect((self.OOK_demodulator_improved_0_1, 0), (self.fir_filter_xxx_0_1_0_0_0_0_0, 0)) self.connect((self.OOK_demodulator_improved_0_1, 2), (self.qtgui_freq_sink_x_1, 2)) self.connect((self.blocks_char_to_float_0, 0), (self.blocks_file_sink_0_0, 0)) self.connect((self.blocks_file_source_0, 0), (self.blocks_throttle_0, 0)) self.connect((self.blocks_float_to_char_0, 0), (self.extract_payload_0, 0)) self.connect((self.blocks_float_to_char_0_0, 0), (self.extract_payload_0_0, 0)) self.connect((self.blocks_float_to_char_0_0_0, 0), (self.extract_payload_0_0_0, 0)) self.connect((self.blocks_repack_bits_bb_0, 0), (self.blocks_file_sink_0_0_0_0_0, 0)) self.connect((self.blocks_repack_bits_bb_0_0, 0), (self.blocks_file_sink_0_0_0_0_0_1, 0)) self.connect((self.blocks_repack_bits_bb_0_0_0, 0), (self.blocks_file_sink_0_0_0_0_0_1_0, 0)) self.connect((self.blocks_streams_to_vector_0_0, 0), (self.blocks_char_to_float_0, 0)) self.connect((self.blocks_threshold_ff_0, 0), (self.blocks_float_to_char_0, 0)) self.connect((self.blocks_threshold_ff_0_0, 0), (self.blocks_float_to_char_0_0, 0)) self.connect((self.blocks_threshold_ff_0_0_0, 0), (self.blocks_float_to_char_0_0_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.OOK_demodulator_improved_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.OOK_demodulator_improved_0_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.OOK_demodulator_improved_0_1, 0)) self.connect((self.digital_symbol_sync_xx_0_0, 0), (self.blocks_threshold_ff_0, 0)) self.connect((self.digital_symbol_sync_xx_0_0, 1), (self.qtgui_time_sink_x_0_0_0_0_0, 1)) self.connect((self.digital_symbol_sync_xx_0_0, 2), (self.qtgui_time_sink_x_0_0_0_0_0, 2)) self.connect((self.digital_symbol_sync_xx_0_0, 0), (self.qtgui_time_sink_x_0_0_0_0_0, 0)) self.connect((self.digital_symbol_sync_xx_0_0, 3), (self.qtgui_time_sink_x_0_0_0_0_0, 3)) self.connect((self.digital_symbol_sync_xx_0_0_0, 0), (self.blocks_threshold_ff_0_0, 0)) self.connect((self.digital_symbol_sync_xx_0_0_0_0, 0), (self.blocks_threshold_ff_0_0_0, 0)) self.connect((self.extract_payload_0, 0), (self.blocks_repack_bits_bb_0, 0)) self.connect((self.extract_payload_0_0, 0), (self.blocks_repack_bits_bb_0_0, 0)) self.connect((self.extract_payload_0_0_0, 0), (self.blocks_repack_bits_bb_0_0_0, 0)) self.connect((self.fir_filter_xxx_0_1_0_0_0, 0), (self.digital_symbol_sync_xx_0_0, 0)) self.connect((self.fir_filter_xxx_0_1_0_0_0_0, 0), (self.digital_symbol_sync_xx_0_0_0, 0)) self.connect((self.fir_filter_xxx_0_1_0_0_0_0_0, 0), (self.digital_symbol_sync_xx_0_0_0_0, 0))
def __init__(self): gr.top_block.__init__(self, "Message Test") Qt.QWidget.__init__(self) self.setWindowTitle("Message Test") qtgui.util.check_set_qss() try: self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc')) except: pass self.top_scroll_layout = Qt.QVBoxLayout() self.setLayout(self.top_scroll_layout) self.top_scroll = Qt.QScrollArea() self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame) self.top_scroll_layout.addWidget(self.top_scroll) self.top_scroll.setWidgetResizable(True) self.top_widget = Qt.QWidget() self.top_scroll.setWidget(self.top_widget) self.top_layout = Qt.QVBoxLayout(self.top_widget) self.top_grid_layout = Qt.QGridLayout() self.top_layout.addLayout(self.top_grid_layout) self.settings = Qt.QSettings("GNU Radio", "message_test") if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"): self.restoreGeometry(self.settings.value("geometry").toByteArray()) else: self.restoreGeometry( self.settings.value("geometry", type=QtCore.QByteArray)) ################################################## # Variables ################################################## self.sps = sps = 8 self.nfilts = nfilts = 32 self.excess_bw = excess_bw = 0.35 self.timing_loop_bw = timing_loop_bw = 62.8e-3 self.taps_0 = taps_0 = [1.0, 0.25 - 0.25j, 0.50 + 0.10j, -0.3 + 0.2j] self.taps = taps = [ 1.0 + 0.0j, ] self.samp_rate_0 = samp_rate_0 = 10e3 self.samp_rate = samp_rate = 44.1e3 self.rrc_taps = rrc_taps = firdes.root_raised_cosine( nfilts, nfilts, 1.0 / float(sps), excess_bw, 11 * sps * nfilts) self.qpsk = qpsk = digital.constellation_rect( ([1 + 1j, -1 + 1j, -1 - 1j, 1 - 1j]), ([0, 1, 2, 3]), 4, 2, 2, 1, 1).base() self.phase_bw = phase_bw = 62.8e-3 self.eq_gain = eq_gain = 10e-3 self.center_freq = center_freq = 5e3 self.arity = arity = 4 self.BPSK = BPSK = digital.constellation_bpsk().base() ################################################## # Blocks ################################################## self.qtgui_number_sink_0 = qtgui.number_sink(gr.sizeof_float, 0, qtgui.NUM_GRAPH_HORIZ, 1) self.qtgui_number_sink_0.set_update_time(0.10) self.qtgui_number_sink_0.set_title("BER") labels = ['', '', '', '', '', '', '', '', '', ''] units = ['', '', '', '', '', '', '', '', '', ''] colors = [("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black")] factor = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] for i in xrange(1): self.qtgui_number_sink_0.set_min(i, -1) self.qtgui_number_sink_0.set_max(i, 1) self.qtgui_number_sink_0.set_color(i, colors[i][0], colors[i][1]) if len(labels[i]) == 0: self.qtgui_number_sink_0.set_label(i, "Data {0}".format(i)) else: self.qtgui_number_sink_0.set_label(i, labels[i]) self.qtgui_number_sink_0.set_unit(i, units[i]) self.qtgui_number_sink_0.set_factor(i, factor[i]) self.qtgui_number_sink_0.enable_autoscale(True) self._qtgui_number_sink_0_win = sip.wrapinstance( self.qtgui_number_sink_0.pyqwidget(), Qt.QWidget) self.top_layout.addWidget(self._qtgui_number_sink_0_win) self.qtgui_const_sink_x_0 = qtgui.const_sink_c( 1024, #size "", #name 1 #number of inputs ) self.qtgui_const_sink_x_0.set_update_time(0.10) self.qtgui_const_sink_x_0.set_y_axis(-2, 2) self.qtgui_const_sink_x_0.set_x_axis(-2, 2) self.qtgui_const_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.qtgui_const_sink_x_0.enable_autoscale(False) self.qtgui_const_sink_x_0.enable_grid(False) self.qtgui_const_sink_x_0.enable_axis_labels(True) if not True: self.qtgui_const_sink_x_0.disable_legend() labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "red", "red", "red", "red", "red", "red", "red", "red" ] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.qtgui_const_sink_x_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_const_sink_x_0.set_line_label(i, labels[i]) self.qtgui_const_sink_x_0.set_line_width(i, widths[i]) self.qtgui_const_sink_x_0.set_line_color(i, colors[i]) self.qtgui_const_sink_x_0.set_line_style(i, styles[i]) self.qtgui_const_sink_x_0.set_line_marker(i, markers[i]) self.qtgui_const_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_const_sink_x_0_win = sip.wrapinstance( self.qtgui_const_sink_x_0.pyqwidget(), Qt.QWidget) self.top_layout.addWidget(self._qtgui_const_sink_x_0_win) self.fec_ber_bf_0 = fec.ber_bf(False, 100, -7.0) self.digital_pfb_clock_sync_xxx_0_0 = digital.pfb_clock_sync_ccf( sps, timing_loop_bw, (rrc_taps), nfilts, nfilts / 2, 1.5, 1) self.digital_map_bb_0_0_0 = digital.map_bb((qpsk.pre_diff_code())) self.digital_constellation_modulator_0 = digital.generic_mod( constellation=qpsk, differential=False, samples_per_symbol=sps, pre_diff_code=True, excess_bw=excess_bw, verbose=True, log=False, ) self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb( qpsk) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char * 1, 32e3, True) self.blocks_repack_bits_bb_0_0 = blocks.repack_bits_bb( 2, 8, "", False, gr.GR_MSB_FIRST) self.analog_random_source_x_0 = blocks.vector_source_b( map(int, numpy.random.randint(0, 256, 5000)), True) ################################################## # Connections ################################################## self.connect((self.analog_random_source_x_0, 0), (self.blocks_throttle_0, 0)) self.connect((self.blocks_repack_bits_bb_0_0, 0), (self.fec_ber_bf_0, 1)) self.connect((self.blocks_throttle_0, 0), (self.digital_constellation_modulator_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.fec_ber_bf_0, 0)) self.connect((self.digital_constellation_decoder_cb_0, 0), (self.digital_map_bb_0_0_0, 0)) self.connect((self.digital_constellation_modulator_0, 0), (self.digital_pfb_clock_sync_xxx_0_0, 0)) self.connect((self.digital_map_bb_0_0_0, 0), (self.blocks_repack_bits_bb_0_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0_0, 0), (self.digital_constellation_decoder_cb_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0_0, 0), (self.qtgui_const_sink_x_0, 0)) self.connect((self.fec_ber_bf_0, 0), (self.qtgui_number_sink_0, 0))
def __init__(self, band=False, burst_tag="burst", data_whitening=True, fcs=False, index=0.5, pdu_len=32, pfsk=False, preamble_len=64, spreading=True, spreading_alternating=False, spreading_factor=16, sps=2): gr.top_block.__init__(self, "LPWAN LECIM FSK PHY") Qt.QWidget.__init__(self) self.setWindowTitle("LPWAN LECIM FSK PHY") qtgui.util.check_set_qss() try: self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc')) except: pass self.top_scroll_layout = Qt.QVBoxLayout() self.setLayout(self.top_scroll_layout) self.top_scroll = Qt.QScrollArea() self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame) self.top_scroll_layout.addWidget(self.top_scroll) self.top_scroll.setWidgetResizable(True) self.top_widget = Qt.QWidget() self.top_scroll.setWidget(self.top_widget) self.top_layout = Qt.QVBoxLayout(self.top_widget) self.top_grid_layout = Qt.QGridLayout() self.top_layout.addLayout(self.top_grid_layout) self.settings = Qt.QSettings("GNU Radio", "lpwan_lecim_fsk_phy_direct") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Parameters ################################################## self.band = band self.burst_tag = burst_tag self.data_whitening = data_whitening self.fcs = fcs self.index = index self.pdu_len = pdu_len self.pfsk = pfsk self.preamble_len = preamble_len self.spreading = spreading self.spreading_alternating = spreading_alternating self.spreading_factor = spreading_factor self.sps = sps ################################################## # Variables ################################################## self.phy = phy = lpwan.fsk_lecim_phy.physical_layer( sps, index, band, preamble_len, fcs, data_whitening, pfsk, spreading, spreading_alternating, spreading_factor, pdu_len) self.cc_poly = cc_poly = [121, 91] self.samp_rate = samp_rate = phy.symbol_rate * phy.sps self.len_tag_var = len_tag_var = "packet_len" self.cc_encoder_PHR = cc_encoder_PHR = fec.cc_encoder_make( 16, 7, 2, (cc_poly), 0, fec.CC_TERMINATED, False) self.cc_encoder_PDU = cc_encoder_PDU = fec.cc_encoder_make( phy.n_block * 9 * 8, 7, 2, (cc_poly), 0, fec.CC_TERMINATED, False) self.cc_decoder_PHR = cc_decoder_PHR = fec.cc_decoder.make( 44, 7, 2, (cc_poly), 0, -1, fec.CC_TERMINATED, True) self.cc_decoder_PDU = cc_decoder_PDU = fec.cc_decoder.make( phy.n_block * 9 * 8, 7, 2, (cc_poly), 0, -1, fec.CC_TERMINATED, False) self.SHR = SHR = phy.SHR self.PHR = PHR = phy.PHR ################################################## # Blocks ################################################## self.qtgui_time_sink_x_0 = qtgui.time_sink_c( 1072 * 6, #size phy.symbol_rate * phy.sps, #samp_rate "", #name 1 #number of inputs ) self.qtgui_time_sink_x_0.set_update_time(0.10) self.qtgui_time_sink_x_0.set_y_axis(-1, 1) self.qtgui_time_sink_x_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_0.enable_tags(-1, True) self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_0.enable_autoscale(False) self.qtgui_time_sink_x_0.enable_grid(False) self.qtgui_time_sink_x_0.enable_axis_labels(True) self.qtgui_time_sink_x_0.enable_control_panel(False) if not True: self.qtgui_time_sink_x_0.disable_legend() labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "blue" ] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(2): if len(labels[i]) == 0: if (i % 2 == 0): self.qtgui_time_sink_x_0.set_line_label( i, "Re{{Data {0}}}".format(i / 2)) else: self.qtgui_time_sink_x_0.set_line_label( i, "Im{{Data {0}}}".format(i / 2)) else: self.qtgui_time_sink_x_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_0_win = sip.wrapinstance( self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget) self.top_layout.addWidget(self._qtgui_time_sink_x_0_win) self.lpwan_fsk_lecim_zero_depadding_bb_0 = lpwan.fsk_lecim_zero_depadding_bb( ) self.lpwan_fsk_lecim_whitening_bb_1 = lpwan.fsk_lecim_whitening_bb( phy.data_whitening) self.lpwan_fsk_lecim_whitening_bb_0 = lpwan.fsk_lecim_whitening_bb( phy.data_whitening) self.lpwan_fsk_lecim_spreading_bb_0_0 = lpwan.fsk_lecim_spreading_bb( phy.phyLecimFskSpreading, phy.phyLecimFskSpreadingFactor, phy.phyLecimFskSpreadingAlternating) self.lpwan_fsk_lecim_spreading_bb_0 = lpwan.fsk_lecim_spreading_bb( phy.phyLecimFskSpreading, phy.phyLecimFskSpreadingFactor, phy.phyLecimFskSpreadingAlternating) self.lpwan_fsk_lecim_phr_pdu_demux_0 = lpwan.fsk_lecim_phr_pdu_demux( phy.sps, phy.symbol_rate, phy.phyLecimFskSpreadingFactor, True) self.lpwan_fsk_lecim_phr_parser_0 = lpwan.fsk_lecim_phr_parser( "packet_len") self.lpwan_fsk_lecim_interleaver_1 = lpwan.fsk_lecim_interleaver( False, phy.n_block, 'packet_len') self.lpwan_fsk_lecim_interleaver_0 = lpwan.fsk_lecim_interleaver( True, phy.n_block, len_tag_var) self.lpwan_fsk_lecim_despreading_bb_1_0 = lpwan.fsk_lecim_despreading_bb( phy.phyLecimFskSpreading, phy.phyLecimFskSpreadingFactor, phy.phyLecimFskSpreadingAlternating) self.lpwan_fsk_lecim_despreading_bb_1 = lpwan.fsk_lecim_despreading_bb( phy.phyLecimFskSpreading, phy.phyLecimFskSpreadingFactor, phy.phyLecimFskSpreadingAlternating) self.lpwan_fsk_lecim_demodulator_cb_0 = lpwan.fsk_lecim_demodulator_cb( phy.PFSK, phy.sps, phy.freq_dev, phy.symbol_rate) self.lpwan_fsk_lecim_deinterleaver_0_0 = lpwan.fsk_lecim_deinterleaver( False, phy.n_block, 'packet_len') self.lpwan_fsk_lecim_deinterleaver_0 = lpwan.fsk_lecim_deinterleaver( True, phy.n_block, 'packet_len') self.lpwan_fsk_lecim_corr_est_cc_0 = lpwan.fsk_lecim_corr_est_cc( (phy.SHR_mod), phy.PFSK, phy.sps, 1, 0.999) self.lecim_fsk_zero_padding_0 = lecim_fsk_zero_padding( len_tag_var="packet_len", pad=phy.n_pad, ) self.lecim_fsk_modulator_0 = lecim_fsk_modulator( burst_tag=burst_tag, freq_dev=phy.freq_dev, packet_len=len(SHR) + (44 + 72 * phy.n_block) * spreading_factor, pfsk=phy.PFSK, sps=phy.sps, symbol_rate=phy.symbol_rate, ) self.fec_extended_tagged_encoder_0 = fec.extended_tagged_encoder( encoder_obj_list=cc_encoder_PDU, puncpat='11', lentagname=len_tag_var, mtu=phy.n_block * 9) self.fec_extended_tagged_encoder = fec.extended_tagged_encoder( encoder_obj_list=cc_encoder_PHR, puncpat='11', lentagname=len_tag_var, mtu=2) self.fec_extended_tagged_decoder_0_0 = self.fec_extended_tagged_decoder_0_0 = fec_extended_tagged_decoder_0_0 = fec.extended_tagged_decoder( decoder_obj_list=cc_decoder_PDU, ann=None, puncpat='11', integration_period=10000, lentagname='packet_len', mtu=phy.n_block * 9) self.fec_extended_tagged_decoder_0 = self.fec_extended_tagged_decoder_0 = fec_extended_tagged_decoder_0 = fec.extended_tagged_decoder( decoder_obj_list=cc_decoder_PHR, ann=None, puncpat='11', integration_period=10000, lentagname='packet_len', mtu=6) self.digital_chunks_to_symbols_xx_0_0_0 = digital.chunks_to_symbols_bf( (-1, 1), 1) self.digital_chunks_to_symbols_xx_0_0 = digital.chunks_to_symbols_bf( (-1, 1), 1) self.blocks_vector_source_x_1 = blocks.vector_source_b( PHR, True, 1, [ gr.tag_utils.python_to_tag( (0, pmt.intern(len_tag_var), pmt.from_long(len(PHR)))) ]) self.blocks_vector_source_x_0 = blocks.vector_source_b( SHR, True, 1, [ gr.tag_utils.python_to_tag( (0, pmt.intern(len_tag_var), pmt.from_long(len(SHR)))) ]) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1, samp_rate, True) self.blocks_tagged_stream_to_pdu_0 = blocks.tagged_stream_to_pdu( blocks.byte_t, 'pdu_len') self.blocks_stream_mux_0 = blocks.stream_mux( gr.sizeof_char * 1, (len(SHR), (len(PHR) * 2 + 12) * spreading_factor if phy.phyLecimFskSpreading else len(PHR) * 2 + 12, phy.n_block * 9 * 8 * spreading_factor if phy.phyLecimFskSpreading else phy.n_block * 9 * 8)) self.blocks_repack_bits_bb_0_0 = blocks.repack_bits_bb( 8, 1, len_tag_var, True, gr.GR_LSB_FIRST) self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb( 1, 8, 'pdu_len', False, gr.GR_LSB_FIRST) self.blocks_random_pdu_0 = blocks.random_pdu(pdu_len, pdu_len, chr(0xFF), 1) self.blocks_pdu_to_tagged_stream_0 = blocks.pdu_to_tagged_stream( blocks.byte_t, 'packet_len') self.blocks_message_strobe_0 = blocks.message_strobe( pmt.intern("generate"), 1000) self.blocks_message_debug_0 = blocks.message_debug() self.blocks_delay_0 = blocks.delay(gr.sizeof_gr_complex * 1, 0) ################################################## # Connections ################################################## self.msg_connect((self.blocks_message_strobe_0, 'strobe'), (self.blocks_random_pdu_0, 'generate')) self.msg_connect((self.blocks_random_pdu_0, 'pdus'), (self.blocks_pdu_to_tagged_stream_0, 'pdus')) self.msg_connect((self.blocks_tagged_stream_to_pdu_0, 'pdus'), (self.blocks_message_debug_0, 'print_pdu')) self.msg_connect((self.lpwan_fsk_lecim_phr_parser_0, 'phr_data'), (self.blocks_message_debug_0, 'print')) self.msg_connect((self.lpwan_fsk_lecim_phr_parser_0, 'phr_data'), (self.lpwan_fsk_lecim_phr_pdu_demux_0, 'phr_data')) self.connect((self.blocks_delay_0, 0), (self.lpwan_fsk_lecim_corr_est_cc_0, 0)) self.connect((self.blocks_pdu_to_tagged_stream_0, 0), (self.blocks_repack_bits_bb_0_0, 0)) self.connect((self.blocks_repack_bits_bb_0, 0), (self.blocks_tagged_stream_to_pdu_0, 0)) self.connect((self.blocks_repack_bits_bb_0_0, 0), (self.lecim_fsk_zero_padding_0, 0)) self.connect((self.blocks_stream_mux_0, 0), (self.lecim_fsk_modulator_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.blocks_delay_0, 0)) self.connect((self.blocks_vector_source_x_0, 0), (self.blocks_stream_mux_0, 0)) self.connect((self.blocks_vector_source_x_1, 0), (self.fec_extended_tagged_encoder, 0)) self.connect((self.digital_chunks_to_symbols_xx_0_0, 0), (self.fec_extended_tagged_decoder_0, 0)) self.connect((self.digital_chunks_to_symbols_xx_0_0_0, 0), (self.fec_extended_tagged_decoder_0_0, 0)) self.connect((self.fec_extended_tagged_decoder_0, 0), (self.lpwan_fsk_lecim_phr_parser_0, 0)) self.connect((self.fec_extended_tagged_decoder_0_0, 0), (self.lpwan_fsk_lecim_zero_depadding_bb_0, 0)) self.connect((self.fec_extended_tagged_encoder, 0), (self.lpwan_fsk_lecim_interleaver_0, 0)) self.connect((self.fec_extended_tagged_encoder_0, 0), (self.lpwan_fsk_lecim_interleaver_1, 0)) self.connect((self.lecim_fsk_modulator_0, 0), (self.blocks_throttle_0, 0)) self.connect((self.lecim_fsk_zero_padding_0, 0), (self.fec_extended_tagged_encoder_0, 0)) self.connect((self.lpwan_fsk_lecim_corr_est_cc_0, 0), (self.lpwan_fsk_lecim_demodulator_cb_0, 0)) self.connect((self.lpwan_fsk_lecim_corr_est_cc_0, 1), (self.qtgui_time_sink_x_0, 0)) self.connect((self.lpwan_fsk_lecim_deinterleaver_0, 0), (self.digital_chunks_to_symbols_xx_0_0, 0)) self.connect((self.lpwan_fsk_lecim_deinterleaver_0_0, 0), (self.digital_chunks_to_symbols_xx_0_0_0, 0)) self.connect((self.lpwan_fsk_lecim_demodulator_cb_0, 0), (self.lpwan_fsk_lecim_phr_pdu_demux_0, 0)) self.connect((self.lpwan_fsk_lecim_despreading_bb_1, 0), (self.lpwan_fsk_lecim_deinterleaver_0, 0)) self.connect((self.lpwan_fsk_lecim_despreading_bb_1_0, 0), (self.lpwan_fsk_lecim_whitening_bb_1, 0)) self.connect((self.lpwan_fsk_lecim_interleaver_0, 0), (self.lpwan_fsk_lecim_spreading_bb_0, 0)) self.connect((self.lpwan_fsk_lecim_interleaver_1, 0), (self.lpwan_fsk_lecim_whitening_bb_0, 0)) self.connect((self.lpwan_fsk_lecim_phr_pdu_demux_0, 0), (self.lpwan_fsk_lecim_despreading_bb_1, 0)) self.connect((self.lpwan_fsk_lecim_phr_pdu_demux_0, 1), (self.lpwan_fsk_lecim_despreading_bb_1_0, 0)) self.connect((self.lpwan_fsk_lecim_spreading_bb_0, 0), (self.blocks_stream_mux_0, 1)) self.connect((self.lpwan_fsk_lecim_spreading_bb_0_0, 0), (self.blocks_stream_mux_0, 2)) self.connect((self.lpwan_fsk_lecim_whitening_bb_0, 0), (self.lpwan_fsk_lecim_spreading_bb_0_0, 0)) self.connect((self.lpwan_fsk_lecim_whitening_bb_1, 0), (self.lpwan_fsk_lecim_deinterleaver_0_0, 0)) self.connect((self.lpwan_fsk_lecim_zero_depadding_bb_0, 0), (self.blocks_repack_bits_bb_0, 0))
def __init__(self): gr.top_block.__init__(self, "Split 1") ################################################## # Variables ################################################## self.pilot_carriers = pilot_carriers = ((-27, -14, -7, 7, 14, 27),) self.pattern2 = pattern2 = [1, -1, 1, -1] self.pattern1 = pattern1 = [0., 1.41421356, 0., -1.41421356] self.occupied_carriers = occupied_carriers = (sorted(tuple(set([x for x in range(-26, 27)]) - set(pilot_carriers[0]) - set([0,]))),) self.fft_len = fft_len = 64 self.zcpu = zcpu = psutil self._xmlrpcport_config = ConfigParser.ConfigParser() self._xmlrpcport_config.read('default') try: xmlrpcport = self._xmlrpcport_config.getint("split1", "xmlrpcport") except: xmlrpcport = 8080 self.xmlrpcport = xmlrpcport self._usrpip_config = ConfigParser.ConfigParser() self._usrpip_config.read('./default') try: usrpip = self._usrpip_config.get("usrp_hydra", "ip") except: usrpip = "127.0.0.1" self.usrpip = usrpip self._timeout_config = ConfigParser.ConfigParser() self._timeout_config.read('./default') try: timeout = self._timeout_config.getint("global", "zmqtimeout") except: timeout = 100 self.timeout = timeout self.sync_word2 = sync_word2 = [0., 0., 0., 0., 0., 0.,] + pattern2 * ((fft_len-12)/len(pattern2)) +[0., 0., 0., 0., 0., 0.,] self.sync_word1 = sync_word1 = [0., 0., 0., 0., 0., 0.,] + pattern1 * ((fft_len-12)/len(pattern1)) +[0., 0., 0., 0., 0., 0.,] self._rxport_config = ConfigParser.ConfigParser() self._rxport_config.read('./default') try: rxport = self._rxport_config.get("usrp_hydra", "rxport1") except: rxport = "2666" self.rxport = rxport self.rateRx = rateRx = 0 self.rate1 = rate1 = 0 self.rate0 = rate0 = 0 self.pilot_symbols = pilot_symbols = ((-1,1, 1, -1, -1, -1),) self._payloadport_config = ConfigParser.ConfigParser() self._payloadport_config.read('./default') try: payloadport = self._payloadport_config.get("split1", "payloadport") except: payloadport = "2101" self.payloadport = payloadport self.payload_mod = payload_mod = digital.constellation_bpsk() self._maxnoutput_config = ConfigParser.ConfigParser() self._maxnoutput_config.read('./default') try: maxnoutput = self._maxnoutput_config.getint("global", "maxnoutput") except: maxnoutput = 100 self.maxnoutput = maxnoutput self.iq_rxrate = iq_rxrate = 0 self._ip_config = ConfigParser.ConfigParser() self._ip_config.read('./default') try: ip = self._ip_config.get("split1", "ip") except: ip = "127.0.0.1" self.ip = ip self._headerport_config = ConfigParser.ConfigParser() self._headerport_config.read('./default') try: headerport = self._headerport_config.get("split1", "headerport") except: headerport = "2100" self.headerport = headerport self.header_mod = header_mod = digital.constellation_bpsk() self.hdr_format = hdr_format = digital.header_format_ofdm(occupied_carriers, 1, "packet_len",) self.cpu_percent = cpu_percent = 0 ################################################## # Blocks ################################################## self.probe1_1_0 = blocks.probe_rate(gr.sizeof_char*1, 500.0, 0.15) self.probe1_1 = blocks.probe_rate(gr.sizeof_char*1, 500.0, 0.15) self.probe1_0 = blocks.probe_rate(gr.sizeof_char*1, 500.0, 0.15) self.ziq_rxrate = blocks.probe_rate(gr.sizeof_gr_complex*1, 2000, 0.15) self.zeromq_push_sink_1 = zeromq.push_sink(gr.sizeof_char, 1, "tcp://" + ip + ":" + payloadport, timeout, True, -1) self.zeromq_push_sink_0 = zeromq.push_sink(gr.sizeof_char, 1, "tcp://" + ip + ":" + headerport, timeout, True, -1) self.zeromq_pull_source_0 = zeromq.pull_source(gr.sizeof_gr_complex, 1, "tcp://" + usrpip + ":" + rxport, 100, True, -1) self.xmlrpc_server_0 = SimpleXMLRPCServer.SimpleXMLRPCServer(('127.0.0.1', xmlrpcport), allow_none=True) self.xmlrpc_server_0.register_instance(self) self.xmlrpc_server_0_thread = threading.Thread(target=self.xmlrpc_server_0.serve_forever) self.xmlrpc_server_0_thread.daemon = True self.xmlrpc_server_0_thread.start() def _rateRx_probe(): while True: val = self.probe1_1_0.rate() try: self.set_rateRx(val) except AttributeError: pass time.sleep(1.0 / (10)) _rateRx_thread = threading.Thread(target=_rateRx_probe) _rateRx_thread.daemon = True _rateRx_thread.start() def _rate1_probe(): while True: val = self.probe1_1.rate() try: self.set_rate1(val) except AttributeError: pass time.sleep(1.0 / (10)) _rate1_thread = threading.Thread(target=_rate1_probe) _rate1_thread.daemon = True _rate1_thread.start() def _rate0_probe(): while True: val = self.probe1_0.rate() try: self.set_rate0(val) except AttributeError: pass time.sleep(1.0 / (10)) _rate0_thread = threading.Thread(target=_rate0_probe) _rate0_thread.daemon = True _rate0_thread.start() def _iq_rxrate_probe(): while True: val = self.ziq_rxrate.rate() try: self.set_iq_rxrate(val) except AttributeError: pass time.sleep(1.0 / (10)) _iq_rxrate_thread = threading.Thread(target=_iq_rxrate_probe) _iq_rxrate_thread.daemon = True _iq_rxrate_thread.start() self.digital_protocol_formatter_bb_0 = digital.protocol_formatter_bb(hdr_format, "packet_len") self.digital_ofdm_rx_0 = digital.ofdm_rx( fft_len=fft_len, cp_len=16, frame_length_tag_key='frame_'+"packet_len", packet_length_tag_key="packet_len", occupied_carriers=occupied_carriers, pilot_carriers=pilot_carriers, pilot_symbols=pilot_symbols, sync_word1=sync_word1, sync_word2=sync_word2, bps_header=1, bps_payload=1, debug_log=False, scramble_bits=False ) self.digital_crc32_bb_0 = digital.crc32_bb(False, "packet_len", True) def _cpu_percent_probe(): while True: val = self.zcpu.cpu_percent() try: self.set_cpu_percent(val) except AttributeError: pass time.sleep(1.0 / (1)) _cpu_percent_thread = threading.Thread(target=_cpu_percent_probe) _cpu_percent_thread.daemon = True _cpu_percent_thread.start() self.blocks_throttle_0_0 = blocks.throttle(gr.sizeof_char*1, 200e3,True) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char*1, 200e3,True) self.blocks_tag_debug_0 = blocks.tag_debug(gr.sizeof_char*1, "RX'd Packets", ""); self.blocks_tag_debug_0.set_display(True) self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(gr.sizeof_char, 1, 100, "packet_len") self.blocks_repack_bits_bb_0_0 = blocks.repack_bits_bb(8, 1, "packet_len", False, gr.GR_LSB_FIRST) self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb(8, payload_mod.bits_per_symbol(), "packet_len", False, gr.GR_LSB_FIRST) self.analog_random_source_x_0 = blocks.vector_source_b(map(int, numpy.random.randint(0, 100, 1000)), True) ################################################## # Connections ################################################## self.connect((self.analog_random_source_x_0, 0), (self.blocks_stream_to_tagged_stream_0, 0)) self.connect((self.blocks_repack_bits_bb_0, 0), (self.blocks_throttle_0, 0)) self.connect((self.blocks_repack_bits_bb_0, 0), (self.probe1_1, 0)) self.connect((self.blocks_repack_bits_bb_0_0, 0), (self.probe1_0, 0)) self.connect((self.blocks_repack_bits_bb_0_0, 0), (self.zeromq_push_sink_0, 0)) self.connect((self.blocks_stream_to_tagged_stream_0, 0), (self.digital_crc32_bb_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.zeromq_push_sink_1, 0)) self.connect((self.blocks_throttle_0_0, 0), (self.blocks_repack_bits_bb_0_0, 0)) self.connect((self.digital_crc32_bb_0, 0), (self.blocks_repack_bits_bb_0, 0)) self.connect((self.digital_crc32_bb_0, 0), (self.digital_protocol_formatter_bb_0, 0)) self.connect((self.digital_ofdm_rx_0, 0), (self.blocks_tag_debug_0, 0)) self.connect((self.digital_ofdm_rx_0, 0), (self.probe1_1_0, 0)) self.connect((self.digital_protocol_formatter_bb_0, 0), (self.blocks_throttle_0_0, 0)) self.connect((self.zeromq_pull_source_0, 0), (self.digital_ofdm_rx_0, 0)) self.connect((self.zeromq_pull_source_0, 0), (self.ziq_rxrate, 0))
def __init__(self, puncpat='11'): gr.top_block.__init__(self, "Eve Dec") ################################################## # Parameters ################################################## self.puncpat = puncpat ################################################## # Variables ################################################## self.H_dec = H_dec = fec.ldpc_H_matrix( '/usr/local/share/gnuradio/fec/ldpc/n_1100_k_0442_gap_24.alist', 24) self.samp_rate = samp_rate = 10000000 self.punc_size = punc_size = 13 self.punc_pattern = punc_pattern = 8190 self.pld_dec = pld_dec = map((lambda a: fec.ldpc_bit_flip_decoder.make( H_dec.get_base_sptr(), 20)), range(0, 16)) self.header = header = [ 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0 ] self.erro = erro = 85 ################################################## # Blocks ################################################## self.scrambler_cpp_additive_descrambler_0 = scrambler_cpp.additive_descrambler( 0x8A, 0x7F, 7, 440 - 8) self.puncture64_cpp_depuncture64_0 = puncture64_cpp.depuncture64( punc_size, punc_pattern, 127) self.fec_extended_decoder_0_0_1_0_1_0_0 = fec.extended_decoder( decoder_obj_list=pld_dec, threading='capillary', ann=None, puncpat=puncpat, integration_period=10000) self.digital_map_bb_0_0_0_0_0_0 = digital.map_bb(([-1, 1])) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char * 1, samp_rate, True) self.blocks_repack_bits_bb_0_0_0_1_0_0 = blocks.repack_bits_bb( 8, 1, '', False, gr.GR_MSB_FIRST) self.blocks_repack_bits_bb_0_0_0_1_0 = blocks.repack_bits_bb( 1, 8, '', False, gr.GR_MSB_FIRST) self.blocks_keep_m_in_n_0_1_1_0 = blocks.keep_m_in_n( gr.sizeof_char, 440, 442, 0) self.blocks_keep_m_in_n_0_0_2_0_0_0 = blocks.keep_m_in_n( gr.sizeof_char, 1020, 1024, 0) self.blocks_keep_m_in_n_0_0_2_0_0 = blocks.keep_m_in_n( gr.sizeof_char, 1100, 1105, 0) self.blocks_file_source_0 = blocks.file_source( gr.sizeof_char * 1, '/home/andre/ELI/' + num + '/EVE_54_8000_BRUTO.txt', False) self.blocks_file_source_0.set_begin_tag(pmt.PMT_NIL) self.blocks_file_sink_0_0_0_0_2 = blocks.file_sink( gr.sizeof_char * 1, '/home/andre/ELI/' + num + '/EVE_54_8000.txt', False) self.blocks_file_sink_0_0_0_0_2.set_unbuffered(True) self.blocks_char_to_float_0_2_0_0_0 = blocks.char_to_float(1, 1) ################################################## # Connections ################################################## self.connect((self.blocks_char_to_float_0_2_0_0_0, 0), (self.fec_extended_decoder_0_0_1_0_1_0_0, 0)) self.connect((self.blocks_file_source_0, 0), (self.blocks_repack_bits_bb_0_0_0_1_0_0, 0)) self.connect((self.blocks_keep_m_in_n_0_0_2_0_0, 0), (self.digital_map_bb_0_0_0_0_0_0, 0)) self.connect((self.blocks_keep_m_in_n_0_0_2_0_0_0, 0), (self.puncture64_cpp_depuncture64_0, 0)) self.connect((self.blocks_keep_m_in_n_0_1_1_0, 0), (self.scrambler_cpp_additive_descrambler_0, 0)) self.connect((self.blocks_repack_bits_bb_0_0_0_1_0, 0), (self.blocks_file_sink_0_0_0_0_2, 0)) self.connect((self.blocks_repack_bits_bb_0_0_0_1_0_0, 0), (self.blocks_throttle_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.blocks_keep_m_in_n_0_0_2_0_0_0, 0)) self.connect((self.digital_map_bb_0_0_0_0_0_0, 0), (self.blocks_char_to_float_0_2_0_0_0, 0)) self.connect((self.fec_extended_decoder_0_0_1_0_1_0_0, 0), (self.blocks_keep_m_in_n_0_1_1_0, 0)) self.connect((self.puncture64_cpp_depuncture64_0, 0), (self.blocks_keep_m_in_n_0_0_2_0_0, 0)) self.connect((self.scrambler_cpp_additive_descrambler_0, 0), (self.blocks_repack_bits_bb_0_0_0_1_0, 0))
def __init__(self, doc, ip="127.0.0.1"): gr.top_block.__init__(self, "RL Mod training") self.doc = doc self.plot_lst = [] self.widget_lst = [] ################################################## # Parameters ################################################## self.ip = ip ################################################## # Variables ################################################## self.pilot_symbols = pilot_symbols = ((1, 1, 1, -1,),) self.pilot_carriers = pilot_carriers = ((-21, -7, 7, 21,),) self.packet_length_tag_key = packet_length_tag_key = "packet_length" self.occupied_carriers = occupied_carriers = (list(range(-22, -21)) + list(range(-20, -7)) + list(range(-6, 0)) + list(range(1, 7)) + list(range(8, 21)) + list(range(22, 23)),) self.length_tag_key_0 = length_tag_key_0 = "frame_len" self.length_tag_key = length_tag_key = "packet_len" self.header_mod = header_mod = digital.constellation_bpsk() self.fft_len = fft_len = 64 self.bits_per_symbol = bits_per_symbol = 4 self.variable_0 = variable_0 = len(occupied_carriers[0]) self.tx_lr = tx_lr = -3 self.tx_explo = tx_explo = 0.15 self.training_mod = training_mod = 1 self.timestamp = timestamp = '1' self.t_state = t_state = 1 self.sync_word2 = sync_word2 = [0, 0, 0, 0, 0, 0, -1, -1, -1, -1, 1, 1, -1, -1, -1, 1, -1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, 1, -1, -1, 1, -1, 0, 1, -1, 1, 1, 1, -1, 1, 1, 1, -1, 1, 1, 1, 1, -1, 1, -1, -1, -1, 1, -1, 1, -1, -1, -1, -1, 0, 0, 0, 0, 0] self.sync_word1 = sync_word1 = [0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 0., 0., 0., 0., 0.] self.samp_rate = samp_rate = 0.3e6 self.rolloff = rolloff = 0 self.puncpat = puncpat = '11' self.payload_mod = payload_mod = digital.qam_constellation(constellation_points=2**bits_per_symbol) self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_static(fft_len, occupied_carriers, pilot_carriers, pilot_symbols, 1) self.packet_len = packet_len = 400 self.ldpc_enc = ldpc_enc = fec.ldpc_encoder_make(gr.prefix() + "/share/gnuradio/fec/ldpc/" + "n_0100_k_0042_gap_02.alist") self.header_formatter = header_formatter = digital.packet_header_ofdm(occupied_carriers, n_syms=1, len_tag_key=packet_length_tag_key, frame_len_tag_key=length_tag_key_0, bits_per_header_sym=header_mod.bits_per_symbol(), bits_per_payload_sym=8, scramble_header=False) self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe(fft_len, header_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols) self.hdr_format = hdr_format = digital.header_format_ofdm(occupied_carriers, 1, length_tag_key,) self.gain = gain = 10 self.freq = freq = 900e6 self.bits_per_symbol_0 = bits_per_symbol_0 = len(occupied_carriers[0]) ################################################## # Blocks ################################################## self.tx_lr_slider = bokehgui.slider(self.widget_lst, 'TX Learning rate (log)' +":", -5, 0, 0.1, 1, -3) self.tx_lr_slider.add_callback(lambda attr, old, new: self.set_tx_lr(new)) self.tx_explo_slider = bokehgui.slider(self.widget_lst, 'TX Exploration noise' +":", 0.001, 0.5, 0.001, 1, 0.15) self.tx_explo_slider.add_callback(lambda attr, old, new: self.set_tx_explo(new)) self.training_mod_textbox = bokehgui.textbox(self.widget_lst, str(1), 'Alternate training every' +": ") self.training_mod_textbox.add_callback( lambda attr, old, new: self.set_training_mod(int(new))) self._t_state_options = [ 1, 0, ] self._t_state_labels = [ 'On', 'Off', ] self.t_state_radiobutton = bokehgui.radiobutton(self.widget_lst, None, self._t_state_labels, inline = True) self.t_state_radiobutton.add_callback( lambda new: self.set_t_state(int(self._t_state_options[new]))) self.gain_slider = bokehgui.slider(self.widget_lst, 'Amplitude' +":", 0, 90, 0.5, 1, 10) self.gain_slider.add_callback(lambda attr, old, new: self.set_gain(new)) self.zeromq_sub_msg_source_0_1 = zeromq.sub_msg_source("tcp://"+ip+":50002", 100) self.zeromq_pub_msg_sink_0_0 = zeromq.pub_msg_sink('tcp://*:50001', 100) self.uhd_usrp_sink_0 = uhd.usrp_sink( ",".join(("", "")), uhd.stream_args( cpu_format="fc32", args='', channels=list(range(0,1)), ), length_tag_key, ) self.uhd_usrp_sink_0.set_samp_rate(samp_rate) self.uhd_usrp_sink_0.set_time_now(uhd.time_spec(time.time()), uhd.ALL_MBOARDS) self.uhd_usrp_sink_0.set_center_freq(freq, 0) self.uhd_usrp_sink_0.set_antenna('TX/RX', 0) self.uhd_usrp_sink_0.set_gain(gain, 0) self.timestamp_textbox = bokehgui.textbox(self.widget_lst, str('1'), 'Load timestamp' +": ") self.timestamp_textbox.add_callback( lambda attr, old, new: self.set_timestamp(str(new))) self.learning_tag_numerotation_0 = learning.tag_numerotation('packet_num', packet_len, 4096, "bb") self.learning_rl_mod_0 = learning.rl_mod('packet_num', bits_per_symbol, packet_len, 1, training_mod, 10**tx_lr , tx_explo, t_state , '/home/cyrille/Gnu-Radio/modules/gr-learning/examples/saved_models') self.fft_vxx_0_0 = fft.fft_vcc(fft_len, False, (), True, 1) self.fec_extended_encoder_1_0_0 = fec.extended_encoder(encoder_obj_list=ldpc_enc, threading= None, puncpat=puncpat) self.digital_protocol_formatter_bb_0 = digital.protocol_formatter_bb(hdr_format, length_tag_key) self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer( fft_len, fft_len + fft_len//4, rolloff, length_tag_key) self.digital_ofdm_carrier_allocator_cvc_0 = digital.ofdm_carrier_allocator_cvc( fft_len, occupied_carriers, pilot_carriers, pilot_symbols, (sync_word1, sync_word2), length_tag_key, True) self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc(header_mod.points(), 1) self.bokehgui_time_const_x_0 = bokehgui.time_sink_c_proc(1024, samp_rate, "Transmitted noiseless constellation", 1) self.bokehgui_time_const_x_0_plot = bokehgui.const_sink_c(self.doc, self.plot_lst, self.bokehgui_time_const_x_0, is_message = False) labels = ['', '', '', '', '', '', '', '', '', ''] legend_list = [] for i in range( 1 ): if len(labels[i]) == 0: if(i % 2 == 0): legend_list.append("Re{{Data {0}}}".format(i/2)) else: legend_list.append("Im{{Data {0}}}".format(i/2)) else: legend_list.append(labels[i]) self.bokehgui_time_const_x_0_plot.initialize(update_time = 500, legend_list = legend_list) self.bokehgui_time_const_x_0_plot.set_y_axis([-2, 2]) self.bokehgui_time_const_x_0_plot.set_y_label('Q Channel' + '(' +""+')') self.bokehgui_time_const_x_0_plot.set_x_label('I Channel' + '(' +""+')') self.bokehgui_time_const_x_0_plot.enable_tags(-1, False) self.bokehgui_time_const_x_0_plot.set_trigger_mode(bokehgui.TRIG_MODE_FREE, bokehgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.bokehgui_time_const_x_0_plot.enable_grid(False) self.bokehgui_time_const_x_0_plot.enable_axis_labels(True) self.bokehgui_time_const_x_0_plot.disable_legend(not True) self.bokehgui_time_const_x_0_plot.set_layout(*((0,1,2,2))) colors = ["blue", "red", "green", "black", "cyan", "magenta", "yellow", "blue", "blue", "blue"] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = ['o', 'o', 'o', 'o', 'o', 'o', 'o', 'o', 'o', 'o'] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in range( 1 ): self.bokehgui_time_const_x_0_plot.format_line(i, colors[i], widths[i], 'None', markers[i], alphas[i]) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char*1, samp_rate/6,True) self.blocks_tagged_stream_to_pdu_0_0_0 = blocks.tagged_stream_to_pdu(blocks.byte_t, 'packet_len') self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux(gr.sizeof_gr_complex*1, length_tag_key, 0) self.blocks_stream_to_tagged_stream_0_0 = blocks.stream_to_tagged_stream(gr.sizeof_char, 1, packet_len, length_tag_key) self.blocks_repack_bits_bb_0_0_0 = blocks.repack_bits_bb(8, 1, length_tag_key, False, gr.GR_LSB_FIRST) self.blocks_repack_bits_bb_0_0 = blocks.repack_bits_bb(1, bits_per_symbol, '', False, gr.GR_LSB_FIRST) self.blocks_multiply_const_xx_0 = blocks.multiply_const_cc(0.01, 1) self.analog_random_source_x_0_0 = blocks.vector_source_b(list(map(int, numpy.random.randint(0, 2, 1000))), True) if self.widget_lst: input_t = bokehgui.bokeh_layout.widgetbox(self.widget_lst) widgetbox = bokehgui.bokeh_layout.WidgetLayout(input_t) widgetbox.set_layout(*((0, 0, 2, 1))) list_obj = [widgetbox] + self.plot_lst else: list_obj = self.plot_lst layout_t = bokehgui.bokeh_layout.create_layout(list_obj, "fixed") self.doc.add_root(layout_t) ################################################## # Connections ################################################## self.msg_connect((self.blocks_tagged_stream_to_pdu_0_0_0, 'pdus'), (self.zeromq_pub_msg_sink_0_0, 'in')) self.msg_connect((self.zeromq_sub_msg_source_0_1, 'out'), (self.learning_rl_mod_0, 'losses')) self.connect((self.analog_random_source_x_0_0, 0), (self.fec_extended_encoder_1_0_0, 0)) self.connect((self.blocks_multiply_const_xx_0, 0), (self.uhd_usrp_sink_0, 0)) self.connect((self.blocks_repack_bits_bb_0_0, 0), (self.blocks_stream_to_tagged_stream_0_0, 0)) self.connect((self.blocks_repack_bits_bb_0_0_0, 0), (self.digital_chunks_to_symbols_xx_0, 0)) self.connect((self.blocks_stream_to_tagged_stream_0_0, 0), (self.digital_protocol_formatter_bb_0, 0)) self.connect((self.blocks_stream_to_tagged_stream_0_0, 0), (self.learning_tag_numerotation_0, 0)) self.connect((self.blocks_tagged_stream_mux_0, 0), (self.digital_ofdm_carrier_allocator_cvc_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.blocks_tagged_stream_to_pdu_0_0_0, 0)) self.connect((self.digital_chunks_to_symbols_xx_0, 0), (self.blocks_tagged_stream_mux_0, 0)) self.connect((self.digital_ofdm_carrier_allocator_cvc_0, 0), (self.fft_vxx_0_0, 0)) self.connect((self.digital_ofdm_cyclic_prefixer_0, 0), (self.blocks_multiply_const_xx_0, 0)) self.connect((self.digital_protocol_formatter_bb_0, 0), (self.blocks_repack_bits_bb_0_0_0, 0)) self.connect((self.fec_extended_encoder_1_0_0, 0), (self.blocks_repack_bits_bb_0_0, 0)) self.connect((self.fft_vxx_0_0, 0), (self.digital_ofdm_cyclic_prefixer_0, 0)) self.connect((self.learning_rl_mod_0, 0), (self.blocks_tagged_stream_mux_0, 1)) self.connect((self.learning_rl_mod_0, 1), (self.bokehgui_time_const_x_0, 0)) self.connect((self.learning_tag_numerotation_0, 0), (self.blocks_throttle_0, 0)) self.connect((self.learning_tag_numerotation_0, 0), (self.learning_rl_mod_0, 0))
def __init__(self,len_tag_key, samp_rate, enable_crc): gr.hier_block2.__init__(self, "frame_decoder", gr.io_signature(1, 1, gr.sizeof_char), # Input signature gr.io_signature(1, 1, gr.sizeof_char)) # Output signature self.len_tag_key = len_tag_key self.samp_rate = samp_rate # Set correlator. FIXME Modifiable access code self.digital_correlate_access_code_tag_bb_0 \ = digital.correlate_access_code_tag_bb( "1010110011011101101001001110001011110010100011000010000011111100", 0, "access") self.digital_header_payload_demux_0 = digital.header_payload_demux( 32, # header size 1, # bits per symbol 0, # guard interval len_tag_key, # length tag key "access", # trigger tag key False, # no idea gr.sizeof_char, # item format "rx_time", # timing tag key (irrelevant) samp_rate, # sample rate (""), # special tag keys ) self.digital_packet_headerparser_b_default_0 \ = digital.packet_headerparser_b(32, len_tag_key) self.blocks_repack_bits_bb_0 \ = blocks.repack_bits_bb(1, 8, len_tag_key, False, gr.GR_MSB_FIRST) if enable_crc: self.digital_crc32_bb_0 \ = digital.crc32_bb(True, len_tag_key, True) # Debug self.tag_debug_correlator = blocks.tag_debug(gr.sizeof_char*1, "Access code found.", "access"); #self.tag_debug_header = blocks.tag_debug(gr.sizeof_char*1, # "Header correctly obtained", len_tag_key); self.tag_debug_packet = blocks.tag_debug(gr.sizeof_char*1, "Packet correctly obtained.", len_tag_key); # Debug Message after the header was found #self.blocks_message_debug_0 = blocks.message_debug() #self.blocks_tagged_stream_to_pdu_0 \ # = blocks.tagged_stream_to_pdu(blocks.byte_t, len_tag_key) # PDU Tag Multiplier self.multiplay_length = orcatun.multiply_length_pdu(len_tag_key) ################################################## # Connections ################################################## # Correlator to Header/Payload Demux # Correlator triggers the HPD with stream tags self.connect((self.digital_correlate_access_code_tag_bb_0, 0), (self.digital_header_payload_demux_0, 0)) self.connect((self.digital_correlate_access_code_tag_bb_0, 0), (self.tag_debug_correlator,0)) # HPD to Header Parser # Extracts the information from the header... self.connect((self.digital_header_payload_demux_0, 0), (self.digital_packet_headerparser_b_default_0, 0)) # ... and pass it back to the HPD #self.msg_connect((self.digital_packet_headerparser_b_default_0, # 'header_data'), # (self.digital_header_payload_demux_0, # 'header_data')) self.msg_connect((self.digital_packet_headerparser_b_default_0, 'header_data'), (self.multiplay_length, 'in')) self.msg_connect((self.multiplay_length, 'out'), (self.digital_header_payload_demux_0, 'header_data')) # HPD payload to Repacker self.connect((self.digital_header_payload_demux_0, 1), (self.blocks_repack_bits_bb_0, 0)) # Repacker to Stream CRC32 # to check the CRC if enable_crc: self.connect((self.blocks_repack_bits_bb_0, 0), (self.digital_crc32_bb_0, 0)) # Connect input and output self.connect((self,0), (self.digital_correlate_access_code_tag_bb_0, 0)) if enable_crc: self.connect((self.digital_crc32_bb_0, 0), (self,0)) else: self.connect((self.blocks_repack_bits_bb_0, 0), (self,0)) # Debug if enable_crc: self.connect((self.digital_crc32_bb_0, 0), (self.tag_debug_packet, 0))
def __init__(self, frame_size=30, puncpat='11'): gr.top_block.__init__(self, "Fecapi Async Encoders") Qt.QWidget.__init__(self) self.setWindowTitle("Fecapi Async Encoders") try: self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc')) except: pass self.top_scroll_layout = Qt.QVBoxLayout() self.setLayout(self.top_scroll_layout) self.top_scroll = Qt.QScrollArea() self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame) self.top_scroll_layout.addWidget(self.top_scroll) self.top_scroll.setWidgetResizable(True) self.top_widget = Qt.QWidget() self.top_scroll.setWidget(self.top_widget) self.top_layout = Qt.QVBoxLayout(self.top_widget) self.top_grid_layout = Qt.QGridLayout() self.top_layout.addLayout(self.top_grid_layout) self.settings = Qt.QSettings("GNU Radio", "fecapi_async_encoders") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Parameters ################################################## self.frame_size = frame_size self.puncpat = puncpat ################################################## # Variables ################################################## self.rate = rate = 2 self.polys = polys = [109, 79] self.k = k = 7 self.samp_rate = samp_rate = 50000 self.enc_rep_0 = enc_rep_0 = fec.repetition_encoder_make(8000, 3) self.enc_rep = enc_rep = fec.repetition_encoder_make(8000, 3) self.enc_dummy_0 = enc_dummy_0 = fec.dummy_encoder_make(8000) self.enc_dummy = enc_dummy = fec.dummy_encoder_make(8000) self.enc_cc_0 = enc_cc_0 = fec.cc_encoder_make(8000, k, rate, (polys), 0, fec.CC_STREAMING, False) self.enc_cc = enc_cc = fec.cc_encoder_make(8000, k, rate, (polys), 0, fec.CC_STREAMING, False) ################################################## # Blocks ################################################## self.qtgui_time_sink_x_0 = qtgui.time_sink_f( 2048, #size 1, #samp_rate '', #name 2 #number of inputs ) self.qtgui_time_sink_x_0.set_update_time(0.01) self.qtgui_time_sink_x_0.set_y_axis(-1, 2) self.qtgui_time_sink_x_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_0.enable_tags(-1, True) self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_0.enable_autoscale(False) self.qtgui_time_sink_x_0.enable_grid(False) self.qtgui_time_sink_x_0.enable_axis_labels(True) self.qtgui_time_sink_x_0.enable_control_panel(False) if not True: self.qtgui_time_sink_x_0.disable_legend() labels = [ 'Async Encoder', 'Tagged Encoder', 'Rep. (Rate=3)', 'CC (K=7, Rate=2)', 'CCSDS', '', '', '', '', '' ] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "blue" ] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] alphas = [1.0, 0.6, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(2): if len(labels[i]) == 0: self.qtgui_time_sink_x_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_time_sink_x_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_0_win = sip.wrapinstance( self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget) self.top_layout.addWidget(self._qtgui_time_sink_x_0_win) self.fec_extended_tagged_encoder_0 = fec.extended_tagged_encoder( encoder_obj_list=enc_cc, puncpat=puncpat, lentagname='pkt_len', mtu=1500) self.fec_async_encoder_0 = fec.async_encoder(enc_cc, True, True, True, 1500) self.blocks_vector_source_x_0_1_0 = blocks.vector_source_b( (frame_size / 15) * [0, 0, 1, 0, 3, 0, 7, 0, 15, 0, 31, 0, 63, 0, 127], True, 1, []) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char * 1, samp_rate, True) self.blocks_tagged_stream_to_pdu_0 = blocks.tagged_stream_to_pdu( blocks.byte_t, 'pkt_len') self.blocks_stream_to_tagged_stream_0_0 = blocks.stream_to_tagged_stream( gr.sizeof_char, 1, frame_size, 'pkt_len') self.blocks_repack_bits_bb_0_0 = blocks.repack_bits_bb( 8, 1, 'pkt_len', False, gr.GR_LSB_FIRST) self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb( 8, 1, 'pkt_len', True, gr.GR_LSB_FIRST) self.blocks_pdu_to_tagged_stream_0 = blocks.pdu_to_tagged_stream( blocks.byte_t, 'pkt_len') self.blocks_message_debug_0 = blocks.message_debug() self.blocks_char_to_float_1 = blocks.char_to_float(1, 1) self.blocks_char_to_float_0_1 = blocks.char_to_float(1, 1) ################################################## # Connections ################################################## self.msg_connect((self.blocks_tagged_stream_to_pdu_0, 'pdus'), (self.fec_async_encoder_0, 'in')) self.msg_connect((self.fec_async_encoder_0, 'out'), (self.blocks_message_debug_0, 'print_pdu')) self.msg_connect((self.fec_async_encoder_0, 'out'), (self.blocks_pdu_to_tagged_stream_0, 'pdus')) self.connect((self.blocks_char_to_float_0_1, 0), (self.qtgui_time_sink_x_0, 0)) self.connect((self.blocks_char_to_float_1, 0), (self.qtgui_time_sink_x_0, 1)) self.connect((self.blocks_pdu_to_tagged_stream_0, 0), (self.blocks_repack_bits_bb_0, 0)) self.connect((self.blocks_repack_bits_bb_0, 0), (self.blocks_char_to_float_0_1, 0)) self.connect((self.blocks_repack_bits_bb_0_0, 0), (self.fec_extended_tagged_encoder_0, 0)) self.connect((self.blocks_stream_to_tagged_stream_0_0, 0), (self.blocks_repack_bits_bb_0_0, 0)) self.connect((self.blocks_stream_to_tagged_stream_0_0, 0), (self.blocks_tagged_stream_to_pdu_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.blocks_stream_to_tagged_stream_0_0, 0)) self.connect((self.blocks_vector_source_x_0_1_0, 0), (self.blocks_throttle_0, 0)) self.connect((self.fec_extended_tagged_encoder_0, 0), (self.blocks_char_to_float_1, 0))
def __init__(self): gr.top_block.__init__(self, "Top Block") ################################################## # Variables ################################################## self.rate = rate = 2 self.polys = polys = [109, 79] self.k = k = 7 self.samp_rate = samp_rate = 48000 self.enc_cc = enc_cc = fec.cc_encoder_make(8000, k, rate, (polys), 0, fec.CC_TERMINATED, False) self.dec_cc = dec_cc = fec.cc_decoder.make(8000, k, rate, (polys), 0, -1, fec.CC_TERMINATED, False) ################################################## # Blocks ################################################## self.splash_packet_encoder_0 = splash.packet_encoder( samples_per_symbol=8, bits_per_symbol=1, preamble="", access_code="", pad_for_usrp=False, payload_length=9 ) self.splash_packet_decoder_0 = splash.packet_decoder( access_code="", threshold=-1 ) self.splash_XCEIVER_0 = splash.XCEIVER() self.digital_map_bb_0 = digital.map_bb(([-1,1])) self.dflood_dflood_0 = dflood.dflood( 2, 0, 30, False, False, 5, 65, 2, 120, 50, 2, True, None ) self.blocks_tagged_stream_to_pdu_1 = blocks.tagged_stream_to_pdu(blocks.float_t, "packet_len") self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb(8, 1, "packet_len", True, gr.GR_MSB_FIRST) self.blocks_random_pdu_0_0 = blocks.random_pdu(1, 5, chr(0xFF), 1) self.blocks_pdu_to_tagged_stream_0 = blocks.pdu_to_tagged_stream(blocks.byte_t, "packet_len") self.blocks_message_strobe_2 = blocks.message_strobe(pmt.intern("TEST"), 10000) self.blocks_message_strobe_0 = blocks.message_strobe(pmt.intern("TEST"), 10000) self.blocks_message_debug_0 = blocks.message_debug() self.blocks_char_to_float_0_1 = blocks.char_to_float(1, 1) self.audio_source_0 = audio.source(48000, "", True) self.audio_sink_0 = audio.sink(48000, "", True) self.analog_probe_avg_mag_sqrd_x_0 = analog.probe_avg_mag_sqrd_c(-70, 1) self.Async_Ecnoder = fec.async_encoder(enc_cc, True, False, False, 1500) self.Async_Decoder = fec.async_decoder(dec_cc, True, False, 1500) ################################################## # Connections ################################################## self.msg_connect((self.Async_Decoder, 'out'), (self.dflood_dflood_0, 'from_radio')) self.msg_connect((self.Async_Ecnoder, 'out'), (self.blocks_pdu_to_tagged_stream_0, 'pdus')) self.msg_connect((self.blocks_message_strobe_0, 'strobe'), (self.blocks_random_pdu_0_0, 'generate')) self.msg_connect((self.blocks_message_strobe_2, 'strobe'), (self.dflood_dflood_0, 'ctrl_in')) self.msg_connect((self.blocks_random_pdu_0_0, 'pdus'), (self.dflood_dflood_0, 'from_app')) self.msg_connect((self.blocks_tagged_stream_to_pdu_1, 'pdus'), (self.Async_Decoder, 'in')) self.msg_connect((self.dflood_dflood_0, 'to_radio'), (self.Async_Ecnoder, 'in')) self.msg_connect((self.dflood_dflood_0, 'to_app'), (self.blocks_message_debug_0, 'print_pdu')) self.connect((self.audio_source_0, 0), (self.splash_XCEIVER_0, 0)) self.connect((self.blocks_char_to_float_0_1, 0), (self.blocks_tagged_stream_to_pdu_1, 0)) self.connect((self.blocks_pdu_to_tagged_stream_0, 0), (self.splash_packet_encoder_0, 0)) self.connect((self.blocks_repack_bits_bb_0, 0), (self.digital_map_bb_0, 0)) self.connect((self.digital_map_bb_0, 0), (self.blocks_char_to_float_0_1, 0)) self.connect((self.splash_XCEIVER_0, 2), (self.analog_probe_avg_mag_sqrd_x_0, 0)) self.connect((self.splash_XCEIVER_0, 0), (self.audio_sink_0, 0)) self.connect((self.splash_XCEIVER_0, 1), (self.splash_packet_decoder_0, 0)) self.connect((self.splash_packet_decoder_0, 0), (self.blocks_repack_bits_bb_0, 0)) self.connect((self.splash_packet_encoder_0, 0), (self.splash_XCEIVER_0, 1))
def __init__(self, hdr_format=digital.header_format_default( digital.packet_utils.default_access_code, 0)): gr.top_block.__init__(self, "Qpsk Usrp Loopback") Qt.QWidget.__init__(self) self.setWindowTitle("Qpsk Usrp Loopback") qtgui.util.check_set_qss() try: self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc')) except: pass self.top_scroll_layout = Qt.QVBoxLayout() self.setLayout(self.top_scroll_layout) self.top_scroll = Qt.QScrollArea() self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame) self.top_scroll_layout.addWidget(self.top_scroll) self.top_scroll.setWidgetResizable(True) self.top_widget = Qt.QWidget() self.top_scroll.setWidget(self.top_widget) self.top_layout = Qt.QVBoxLayout(self.top_widget) self.top_grid_layout = Qt.QGridLayout() self.top_layout.addLayout(self.top_grid_layout) self.settings = Qt.QSettings("GNU Radio", "qpsk_usrp_loopback") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Parameters ################################################## self.hdr_format = hdr_format ################################################## # Variables ################################################## self.qpsk = qpsk = digital.constellation_qpsk().base() self.excess_bw = excess_bw = 0.2 self.base_sps = base_sps = 5 self.sps = sps = 100 self.samp_rate = samp_rate = 0.4e6 self.rxmod = rxmod = digital.generic_mod(qpsk, False, base_sps, False, excess_bw, False, False) self.vec = vec = [ 0x96, 0x85, 0x81, 0x4a, 0xd7, 0x2e, 0x73, 0xe4, 0x33, 0x33, 0x47, 0xfc, 0x67, 0x3f, 0x72, 0x23, 0x44, 0x15, 0xc0, 0x04, 0x09, 0x13, 0x59, 0x77 ] self.rrc_taps_rx = rrc_taps_rx = firdes.root_raised_cosine( 32, samp_rate / base_sps, base_sps, excess_bw, 11 * base_sps * 3) self.nfilts = nfilts = 32 self.modulated_sync_word = modulated_sync_word = digital.modulate_vector_bc( rxmod.to_basic_block(), ([0xac, 0xdd, 0xa4, 0xe2, 0xf2, 0x8c, 0x20, 0xfc]), ([1])) self.carrier_freq = carrier_freq = 85e3 self.baseband_bw = baseband_bw = (1 + excess_bw) * (samp_rate / sps) self.acc_code = acc_code = "1111111100000000111100001111000011001100111111110000000010101010" ################################################## # Blocks ################################################## self.uhd_usrp_source_0 = uhd.usrp_source( ",".join(("addr=192.168.10.2", "")), uhd.stream_args( cpu_format="fc32", channels=range(1), ), ) self.uhd_usrp_source_0.set_samp_rate(samp_rate) self.uhd_usrp_source_0.set_center_freq(uhd.tune_request(carrier_freq), 0) self.uhd_usrp_source_0.set_normalized_gain(0.5, 0) self.uhd_usrp_source_0.set_antenna('A', 0) self.uhd_usrp_source_0.set_auto_dc_offset(True, 0) self.uhd_usrp_source_0.set_auto_iq_balance(True, 0) self.uhd_usrp_sink_0 = uhd.usrp_sink( ",".join(("addr=192.168.10.2", "")), uhd.stream_args( cpu_format="fc32", channels=range(1), ), ) self.uhd_usrp_sink_0.set_samp_rate(samp_rate) self.uhd_usrp_sink_0.set_center_freq(uhd.tune_request(carrier_freq), 0) self.uhd_usrp_sink_0.set_normalized_gain(0.5, 0) self.uhd_usrp_sink_0.set_antenna('A', 0) self.qtgui_time_sink_x_2 = qtgui.time_sink_c( 512, #size samp_rate, #samp_rate "scope", #name 1 #number of inputs ) self.qtgui_time_sink_x_2.set_update_time(0.10) self.qtgui_time_sink_x_2.set_y_axis(-1, 1) self.qtgui_time_sink_x_2.set_y_label('Amplitude', "") self.qtgui_time_sink_x_2.enable_tags(-1, False) self.qtgui_time_sink_x_2.set_trigger_mode(qtgui.TRIG_MODE_NORM, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_2.enable_autoscale(False) self.qtgui_time_sink_x_2.enable_grid(False) self.qtgui_time_sink_x_2.enable_axis_labels(True) self.qtgui_time_sink_x_2.enable_control_panel(False) self.qtgui_time_sink_x_2.enable_stem_plot(False) if not True: self.qtgui_time_sink_x_2.disable_legend() labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "blue" ] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(2): if len(labels[i]) == 0: if (i % 2 == 0): self.qtgui_time_sink_x_2.set_line_label( i, "Re{{Data {0}}}".format(i / 2)) else: self.qtgui_time_sink_x_2.set_line_label( i, "Im{{Data {0}}}".format(i / 2)) else: self.qtgui_time_sink_x_2.set_line_label(i, labels[i]) self.qtgui_time_sink_x_2.set_line_width(i, widths[i]) self.qtgui_time_sink_x_2.set_line_color(i, colors[i]) self.qtgui_time_sink_x_2.set_line_style(i, styles[i]) self.qtgui_time_sink_x_2.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_2.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_2_win = sip.wrapinstance( self.qtgui_time_sink_x_2.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_2_win) self.qtgui_time_sink_x_1 = qtgui.time_sink_f( 1024, #size samp_rate, #samp_rate "Correlation Estimate", #name 1 #number of inputs ) self.qtgui_time_sink_x_1.set_update_time(0.4) self.qtgui_time_sink_x_1.set_y_axis(-1, 2000) self.qtgui_time_sink_x_1.set_y_label('Amplitude', "") self.qtgui_time_sink_x_1.enable_tags(-1, True) self.qtgui_time_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_TAG, qtgui.TRIG_SLOPE_POS, 0.0, 5e-05, 0, 'corr_est') self.qtgui_time_sink_x_1.enable_autoscale(False) self.qtgui_time_sink_x_1.enable_grid(True) self.qtgui_time_sink_x_1.enable_axis_labels(True) self.qtgui_time_sink_x_1.enable_control_panel(False) self.qtgui_time_sink_x_1.enable_stem_plot(False) if not True: self.qtgui_time_sink_x_1.disable_legend() labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "blue" ] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.qtgui_time_sink_x_1.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_time_sink_x_1.set_line_label(i, labels[i]) self.qtgui_time_sink_x_1.set_line_width(i, widths[i]) self.qtgui_time_sink_x_1.set_line_color(i, colors[i]) self.qtgui_time_sink_x_1.set_line_style(i, styles[i]) self.qtgui_time_sink_x_1.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_1.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_1_win = sip.wrapinstance( self.qtgui_time_sink_x_1.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_1_win) self.qtgui_time_sink_x_0 = qtgui.time_sink_f( 128, #size samp_rate, #samp_rate "End", #name 1 #number of inputs ) self.qtgui_time_sink_x_0.set_update_time(0.10) self.qtgui_time_sink_x_0.set_y_axis(-1, 150) self.qtgui_time_sink_x_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_0.enable_tags(-1, True) self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_TAG, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "len_key2") self.qtgui_time_sink_x_0.enable_autoscale(False) self.qtgui_time_sink_x_0.enable_grid(True) self.qtgui_time_sink_x_0.enable_axis_labels(True) self.qtgui_time_sink_x_0.enable_control_panel(False) self.qtgui_time_sink_x_0.enable_stem_plot(False) if not True: self.qtgui_time_sink_x_0.disable_legend() labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "blue" ] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.qtgui_time_sink_x_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_time_sink_x_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_0_win = sip.wrapinstance( self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_win) self.qtgui_number_sink_0 = qtgui.number_sink(gr.sizeof_float, 0, qtgui.NUM_GRAPH_NONE, 1) self.qtgui_number_sink_0.set_update_time(0.10) self.qtgui_number_sink_0.set_title("BER") labels = ['', '', '', '', '', '', '', '', '', ''] units = ['', '', '', '', '', '', '', '', '', ''] colors = [("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black")] factor = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] for i in xrange(1): self.qtgui_number_sink_0.set_min(i, -1) self.qtgui_number_sink_0.set_max(i, 1) self.qtgui_number_sink_0.set_color(i, colors[i][0], colors[i][1]) if len(labels[i]) == 0: self.qtgui_number_sink_0.set_label(i, "Data {0}".format(i)) else: self.qtgui_number_sink_0.set_label(i, labels[i]) self.qtgui_number_sink_0.set_unit(i, units[i]) self.qtgui_number_sink_0.set_factor(i, factor[i]) self.qtgui_number_sink_0.enable_autoscale(False) self._qtgui_number_sink_0_win = sip.wrapinstance( self.qtgui_number_sink_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_number_sink_0_win) self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c( 512, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw "scope", #name 1 #number of inputs ) self.qtgui_freq_sink_x_0.set_update_time(0.10) self.qtgui_freq_sink_x_0.set_y_axis(-140, 10) self.qtgui_freq_sink_x_0.set_y_label('Relative Gain', 'dB') self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "") self.qtgui_freq_sink_x_0.enable_autoscale(False) self.qtgui_freq_sink_x_0.enable_grid(False) self.qtgui_freq_sink_x_0.set_fft_average(1.0) self.qtgui_freq_sink_x_0.enable_axis_labels(True) self.qtgui_freq_sink_x_0.enable_control_panel(False) if not True: self.qtgui_freq_sink_x_0.disable_legend() if "complex" == "float" or "complex" == "msg_float": self.qtgui_freq_sink_x_0.set_plot_pos_half(not True) labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "dark blue" ] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.qtgui_freq_sink_x_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_freq_sink_x_0.set_line_label(i, labels[i]) self.qtgui_freq_sink_x_0.set_line_width(i, widths[i]) self.qtgui_freq_sink_x_0.set_line_color(i, colors[i]) self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_freq_sink_x_0_win = sip.wrapinstance( self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win) self.qtgui_const_sink_x_0 = qtgui.const_sink_c( 512, #size "scope", #name 1 #number of inputs ) self.qtgui_const_sink_x_0.set_update_time(0.05) self.qtgui_const_sink_x_0.set_y_axis(-2, 2) self.qtgui_const_sink_x_0.set_x_axis(-2, 2) self.qtgui_const_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.qtgui_const_sink_x_0.enable_autoscale(False) self.qtgui_const_sink_x_0.enable_grid(False) self.qtgui_const_sink_x_0.enable_axis_labels(True) if not True: self.qtgui_const_sink_x_0.disable_legend() labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "red", "red", "red", "red", "red", "red", "red", "red" ] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.qtgui_const_sink_x_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_const_sink_x_0.set_line_label(i, labels[i]) self.qtgui_const_sink_x_0.set_line_width(i, widths[i]) self.qtgui_const_sink_x_0.set_line_color(i, colors[i]) self.qtgui_const_sink_x_0.set_line_style(i, styles[i]) self.qtgui_const_sink_x_0.set_line_marker(i, markers[i]) self.qtgui_const_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_const_sink_x_0_win = sip.wrapinstance( self.qtgui_const_sink_x_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_win) self.math_0 = iio.iio_math('10^(-x)', 1) self.low_pass_filter_0 = filter.fir_filter_ccf( 1, firdes.low_pass(1.2, samp_rate, 5e3, 1000, firdes.WIN_HAMMING, 6.76)) self.fir_filter_xxx_0 = filter.fir_filter_ccc(sps / base_sps, (100, )) self.fir_filter_xxx_0.declare_sample_delay(0) self.fec_ber_bf_0 = fec.ber_bf(False, 100, -7.0) self.digital_protocol_formatter_bb_0 = digital.protocol_formatter_bb( hdr_format, 'len_key') self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf( base_sps, 62.8e-3, (rrc_taps_rx), 36, 36 / 2, 1.25, 3) self.digital_lms_dd_equalizer_cc_0 = digital.lms_dd_equalizer_cc( 5, 5E-3, 3, qpsk) self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(4) self.digital_costas_loop_cc_0 = digital.costas_loop_cc( 62.8e-3, 4, False) self.digital_correlate_access_code_xx_ts_1_0_0 = digital.correlate_access_code_bb_ts( digital.packet_utils.default_access_code, 2, "len_key2") self.digital_corr_est_cc_0 = digital.corr_est_cc((modulated_sync_word), base_sps, 150, 0.91) self.digital_constellation_modulator_0 = digital.generic_mod( constellation=qpsk, differential=True, samples_per_symbol=sps, pre_diff_code=True, excess_bw=excess_bw, verbose=False, log=False, ) self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb( qpsk) self.blocks_vector_source_x_0 = blocks.vector_source_b( vec, True, 1, []) self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(2) self.blocks_tagged_stream_mux_0_0 = blocks.tagged_stream_mux( gr.sizeof_char * 1, 'len_key', 0) self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux( gr.sizeof_char * 1, 'len_key', 0) self.blocks_tag_gate_0 = blocks.tag_gate(gr.sizeof_char * 1, False) self.blocks_tag_gate_0.set_single_key("") self.blocks_stream_to_tagged_stream_1 = blocks.stream_to_tagged_stream( gr.sizeof_char, 1, 119, "len_key") self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream( gr.sizeof_char, 1, len(vec), "len_key") self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb( 1, 8, "", False, gr.GR_MSB_FIRST) self.blocks_file_source_0 = blocks.file_source( gr.sizeof_char * 1, '/home/peter/Desktop/acoustic_radio/Testings/test_input.txt', True) self.blocks_file_source_0.set_begin_tag(pmt.PMT_NIL) self.blocks_complex_to_mag_squared_0 = blocks.complex_to_mag_squared(1) self.blocks_char_to_float_0 = blocks.char_to_float(1, 1) ################################################## # Connections ################################################## self.connect((self.blocks_char_to_float_0, 0), (self.qtgui_time_sink_x_0, 0)) self.connect((self.blocks_complex_to_mag_squared_0, 0), (self.qtgui_time_sink_x_1, 0)) self.connect((self.blocks_file_source_0, 0), (self.blocks_stream_to_tagged_stream_1, 0)) self.connect((self.blocks_repack_bits_bb_0, 0), (self.blocks_char_to_float_0, 0)) self.connect((self.blocks_repack_bits_bb_0, 0), (self.fec_ber_bf_0, 0)) self.connect((self.blocks_stream_to_tagged_stream_0, 0), (self.blocks_tagged_stream_mux_0_0, 0)) self.connect((self.blocks_stream_to_tagged_stream_1, 0), (self.blocks_tagged_stream_mux_0, 1)) self.connect((self.blocks_stream_to_tagged_stream_1, 0), (self.digital_protocol_formatter_bb_0, 0)) self.connect((self.blocks_stream_to_tagged_stream_1, 0), (self.fec_ber_bf_0, 1)) self.connect((self.blocks_tag_gate_0, 0), (self.digital_correlate_access_code_xx_ts_1_0_0, 0)) self.connect((self.blocks_tagged_stream_mux_0, 0), (self.blocks_tagged_stream_mux_0_0, 1)) self.connect((self.blocks_tagged_stream_mux_0_0, 0), (self.digital_constellation_modulator_0, 0)) self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_tag_gate_0, 0)) self.connect((self.blocks_vector_source_x_0, 0), (self.blocks_stream_to_tagged_stream_0, 0)) self.connect((self.digital_constellation_decoder_cb_0, 0), (self.digital_diff_decoder_bb_0, 0)) self.connect((self.digital_constellation_modulator_0, 0), (self.uhd_usrp_sink_0, 0)) self.connect((self.digital_corr_est_cc_0, 1), (self.blocks_complex_to_mag_squared_0, 0)) self.connect((self.digital_corr_est_cc_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0)) self.connect((self.digital_correlate_access_code_xx_ts_1_0_0, 0), (self.blocks_repack_bits_bb_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.digital_constellation_decoder_cb_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.qtgui_const_sink_x_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.qtgui_freq_sink_x_0, 0)) self.connect((self.digital_diff_decoder_bb_0, 0), (self.blocks_unpack_k_bits_bb_0, 0)) self.connect((self.digital_lms_dd_equalizer_cc_0, 0), (self.digital_costas_loop_cc_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_lms_dd_equalizer_cc_0, 0)) self.connect((self.digital_protocol_formatter_bb_0, 0), (self.blocks_tagged_stream_mux_0, 0)) self.connect((self.fec_ber_bf_0, 0), (self.math_0, 0)) self.connect((self.fir_filter_xxx_0, 0), (self.digital_corr_est_cc_0, 0)) self.connect((self.low_pass_filter_0, 0), (self.fir_filter_xxx_0, 0)) self.connect((self.low_pass_filter_0, 0), (self.qtgui_time_sink_x_2, 0)) self.connect((self.math_0, 0), (self.qtgui_number_sink_0, 0)) self.connect((self.uhd_usrp_source_0, 0), (self.low_pass_filter_0, 0))
def __init__( self, ipp1="127.0.0.1", ipp2="127.0.0.1", ipp3="127.0.0.1", ipp4="127.0.0.1", iptx="127.0.0.1", samp_rate=1000 ): gr.top_block.__init__(self, "OFDM Rx") ################################################## # Parameters ################################################## self.ipp1 = ipp1 self.ipp2 = ipp2 self.ipp3 = ipp3 self.ipp4 = ipp4 self.iptx = iptx self.samp_rate = samp_rate ################################################## # Variables ################################################## self.pilot_symbols = pilot_symbols = ((1, 1, 1, -1),) self.pilot_carriers = pilot_carriers = ((-21, -7, 7, 21),) self.payload_mod = payload_mod = digital.constellation_qpsk() self.packet_length_tag_key = packet_length_tag_key = "packet_len" self.occupied_carriers = occupied_carriers = ( range(-26, -21) + range(-20, -7) + range(-6, 0) + range(1, 7) + range(8, 21) + range(22, 27), ) self.length_tag_key = length_tag_key = "frame_len" self.header_mod = header_mod = digital.constellation_bpsk() self.fft_len = fft_len = 64 self.sync_word2 = sync_word2 = [ 0j, 0j, 0j, 0j, 0j, 0j, (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), 0j, (1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), 0j, 0j, 0j, 0j, 0j, ] self.sync_word1 = sync_word1 = [ 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.41421356, 0.0, -1.41421356, 0.0, 1.41421356, 0.0, -1.41421356, 0.0, -1.41421356, 0.0, -1.41421356, 0.0, 1.41421356, 0.0, -1.41421356, 0.0, 1.41421356, 0.0, -1.41421356, 0.0, -1.41421356, 0.0, -1.41421356, 0.0, -1.41421356, 0.0, 1.41421356, 0.0, -1.41421356, 0.0, 1.41421356, 0.0, 1.41421356, 0.0, 1.41421356, 0.0, -1.41421356, 0.0, 1.41421356, 0.0, 1.41421356, 0.0, 1.41421356, 0.0, -1.41421356, 0.0, 1.41421356, 0.0, 1.41421356, 0.0, 1.41421356, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, ] self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_simpledfe( fft_len, payload_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols, 1 ) self.packet_len = packet_len = 96 self.header_formatter = header_formatter = digital.packet_header_ofdm( occupied_carriers, n_syms=1, len_tag_key=packet_length_tag_key, frame_len_tag_key=length_tag_key, bits_per_header_sym=header_mod.bits_per_symbol(), bits_per_payload_sym=payload_mod.bits_per_symbol(), scramble_header=False, ) self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe( fft_len, header_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols ) ################################################## # Blocks ################################################## self.zeromq_push_sink_0_0_1_0_0 = zeromq.push_sink(gr.sizeof_char, 1, "tcp://" + ipp3 + ":55530", 100, True) self.zeromq_push_sink_0_0_1_0 = zeromq.push_sink( gr.sizeof_gr_complex, 64, "tcp://" + ipp2 + ":55521", 100, True ) self.zeromq_push_sink_0_0_1 = zeromq.push_sink(gr.sizeof_gr_complex, 64, "tcp://" + ipp2 + ":55520", 100, True) self.zeromq_push_sink_0_0_0 = zeromq.push_sink(gr.sizeof_char, 1, "tcp://" + ipp1 + ":55511", 100, True) self.zeromq_push_sink_0_0 = zeromq.push_sink(gr.sizeof_gr_complex, 1, "tcp://" + ipp1 + ":55510", 100, True) self.zeromq_push_sink_0 = zeromq.push_sink(gr.sizeof_gr_complex, 1, "tcp://" + iptx + ":55500", 100, True) self.zeromq_pull_source_0_0_0_0_0_0 = zeromq.pull_source( gr.sizeof_gr_complex, 64, "tcp://" + ipp2 + ":55521", 100, True ) self.zeromq_pull_source_0_0_0_0_0 = zeromq.pull_source( gr.sizeof_gr_complex, 64, "tcp://" + ipp2 + ":55520", 100, True ) self.zeromq_pull_source_0_0_0_0 = zeromq.pull_source(gr.sizeof_char, 1, "tcp://" + ipp3 + ":55530", 100, True) self.zeromq_pull_source_0_0_0 = zeromq.pull_source(gr.sizeof_char, 1, "tcp://" + ipp1 + ":55511", 100, True) self.zeromq_pull_source_0_0 = zeromq.pull_source(gr.sizeof_gr_complex, 1, "tcp://" + ipp1 + ":55510", 100, True) self.zeromq_pull_source_0 = zeromq.pull_source(gr.sizeof_gr_complex, 1, "tcp://" + iptx + ":55500", 100, True) self.my_random_source_limit_rate_0 = my.random_source_limit_rate(1000) self.my_number_sync_timestamp_0 = my.number_sync_timestamp() self.fft_vxx_1 = fft.fft_vcc(fft_len, True, (), True, 1) self.fft_vxx_0 = fft.fft_vcc(fft_len, True, (()), True, 1) self.digital_packet_headerparser_b_0 = digital.packet_headerparser_b(header_formatter.base()) self.digital_ofdm_tx_0 = digital.ofdm_tx( fft_len=fft_len, cp_len=fft_len / 4, packet_length_tag_key=packet_length_tag_key, occupied_carriers=occupied_carriers, pilot_carriers=pilot_carriers, pilot_symbols=pilot_symbols, sync_word1=sync_word1, sync_word2=sync_word2, bps_header=1, bps_payload=2, rolloff=0, debug_log=True, scramble_bits=False, ) self.digital_ofdm_sync_sc_cfb_0 = digital.ofdm_sync_sc_cfb(fft_len, fft_len / 4, False) self.digital_ofdm_serializer_vcc_payload = digital.ofdm_serializer_vcc( fft_len, occupied_carriers, length_tag_key, packet_length_tag_key, 1, "", True ) self.digital_ofdm_serializer_vcc_header = digital.ofdm_serializer_vcc( fft_len, occupied_carriers, length_tag_key, "", 0, "", True ) self.digital_ofdm_frame_equalizer_vcvc_1 = digital.ofdm_frame_equalizer_vcvc( payload_equalizer.base(), fft_len / 4, length_tag_key, True, 0 ) self.digital_ofdm_frame_equalizer_vcvc_0 = digital.ofdm_frame_equalizer_vcvc( header_equalizer.base(), fft_len / 4, length_tag_key, True, 1 ) self.digital_ofdm_chanest_vcvc_0 = digital.ofdm_chanest_vcvc((sync_word1), (sync_word2), 1, 0, 3, False) self.digital_header_payload_demux_0 = digital.header_payload_demux( 3, fft_len, fft_len / 4, length_tag_key, "", True, gr.sizeof_gr_complex, "rx_time", samp_rate, () ) self.digital_crc32_bb_0 = digital.crc32_bb(True, packet_length_tag_key, True) self.digital_constellation_decoder_cb_1 = digital.constellation_decoder_cb(payload_mod.base()) self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(header_mod.base()) self.channels_channel_model_0 = channels.channel_model( noise_voltage=0.1, frequency_offset=0 * 1.0 / fft_len, epsilon=1.0, taps=(1.0,), noise_seed=0, block_tags=True, ) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1, samp_rate, True) self.blocks_tag_debug_1 = blocks.tag_debug(gr.sizeof_char * 1, "Rx Bytes", "") self.blocks_tag_debug_1.set_display(True) self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream( gr.sizeof_char, 1, packet_len, packet_length_tag_key ) self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb( payload_mod.bits_per_symbol(), 8, packet_length_tag_key, True, gr.GR_LSB_FIRST ) self.blocks_multiply_xx_0 = blocks.multiply_vcc(1) self.blocks_delay_0 = blocks.delay(gr.sizeof_gr_complex * 1, fft_len + fft_len / 4) self.analog_frequency_modulator_fc_0 = analog.frequency_modulator_fc(-2.0 / fft_len) ################################################## # Connections ################################################## self.msg_connect( (self.digital_packet_headerparser_b_0, "header_data"), (self.digital_header_payload_demux_0, "header_data") ) self.connect((self.analog_frequency_modulator_fc_0, 0), (self.blocks_multiply_xx_0, 0)) self.connect((self.blocks_delay_0, 0), (self.blocks_multiply_xx_0, 1)) self.connect((self.blocks_multiply_xx_0, 0), (self.zeromq_push_sink_0_0, 0)) self.connect((self.blocks_repack_bits_bb_0, 0), (self.digital_crc32_bb_0, 0)) self.connect((self.blocks_stream_to_tagged_stream_0, 0), (self.digital_ofdm_tx_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.zeromq_push_sink_0, 0)) self.connect((self.channels_channel_model_0, 0), (self.blocks_throttle_0, 0)) self.connect((self.digital_constellation_decoder_cb_0, 0), (self.zeromq_push_sink_0_0_1_0_0, 0)) self.connect((self.digital_constellation_decoder_cb_1, 0), (self.blocks_repack_bits_bb_0, 0)) self.connect((self.digital_crc32_bb_0, 0), (self.blocks_tag_debug_1, 0)) self.connect((self.digital_crc32_bb_0, 0), (self.my_number_sync_timestamp_0, 0)) self.connect((self.digital_header_payload_demux_0, 0), (self.zeromq_push_sink_0_0_1, 0)) self.connect((self.digital_header_payload_demux_0, 1), (self.zeromq_push_sink_0_0_1_0, 0)) self.connect((self.digital_ofdm_chanest_vcvc_0, 0), (self.digital_ofdm_frame_equalizer_vcvc_0, 0)) self.connect((self.digital_ofdm_frame_equalizer_vcvc_0, 0), (self.digital_ofdm_serializer_vcc_header, 0)) self.connect((self.digital_ofdm_frame_equalizer_vcvc_1, 0), (self.digital_ofdm_serializer_vcc_payload, 0)) self.connect((self.digital_ofdm_serializer_vcc_header, 0), (self.digital_constellation_decoder_cb_0, 0)) self.connect((self.digital_ofdm_serializer_vcc_payload, 0), (self.digital_constellation_decoder_cb_1, 0)) self.connect((self.digital_ofdm_sync_sc_cfb_0, 0), (self.analog_frequency_modulator_fc_0, 0)) self.connect((self.digital_ofdm_sync_sc_cfb_0, 1), (self.zeromq_push_sink_0_0_0, 0)) self.connect((self.digital_ofdm_tx_0, 0), (self.channels_channel_model_0, 0)) self.connect((self.fft_vxx_0, 0), (self.digital_ofdm_chanest_vcvc_0, 0)) self.connect((self.fft_vxx_1, 0), (self.digital_ofdm_frame_equalizer_vcvc_1, 0)) self.connect((self.my_random_source_limit_rate_0, 0), (self.blocks_stream_to_tagged_stream_0, 0)) self.connect((self.zeromq_pull_source_0, 0), (self.blocks_delay_0, 0)) self.connect((self.zeromq_pull_source_0, 0), (self.digital_ofdm_sync_sc_cfb_0, 0)) self.connect((self.zeromq_pull_source_0_0, 0), (self.digital_header_payload_demux_0, 0)) self.connect((self.zeromq_pull_source_0_0_0, 0), (self.digital_header_payload_demux_0, 1)) self.connect((self.zeromq_pull_source_0_0_0_0, 0), (self.digital_packet_headerparser_b_0, 0)) self.connect((self.zeromq_pull_source_0_0_0_0_0, 0), (self.fft_vxx_0, 0)) self.connect((self.zeromq_pull_source_0_0_0_0_0_0, 0), (self.fft_vxx_1, 0))
def __init__(self, hdr_format=digital.header_format_default( digital.packet_utils.default_access_code, 0)): gr.top_block.__init__(self, "BFSK") Qt.QWidget.__init__(self) self.setWindowTitle("BFSK") qtgui.util.check_set_qss() try: self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc')) except: pass self.top_scroll_layout = Qt.QVBoxLayout() self.setLayout(self.top_scroll_layout) self.top_scroll = Qt.QScrollArea() self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame) self.top_scroll_layout.addWidget(self.top_scroll) self.top_scroll.setWidgetResizable(True) self.top_widget = Qt.QWidget() self.top_scroll.setWidget(self.top_widget) self.top_layout = Qt.QVBoxLayout(self.top_widget) self.top_grid_layout = Qt.QGridLayout() self.top_layout.addLayout(self.top_grid_layout) self.settings = Qt.QSettings("GNU Radio", "top_block") try: if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"): self.restoreGeometry( self.settings.value("geometry").toByteArray()) else: self.restoreGeometry(self.settings.value("geometry")) except: pass ################################################## # Parameters ################################################## self.hdr_format = hdr_format ################################################## # Variables ################################################## self.freq_symbol_1 = freq_symbol_1 = 10584 self.freq_symbol_0 = freq_symbol_0 = 8820 self.samp_rate = samp_rate = 44.1e3 self.fsk_deviation_hz = fsk_deviation_hz = freq_symbol_1 - freq_symbol_0 self.filter_taps = filter_taps = firdes.low_pass( 1.0, samp_rate, fsk_deviation_hz, 400) self.SPS = SPS = 200 ################################################## # Blocks ################################################## self.qtgui_time_sink_x_0 = qtgui.time_sink_f( 1024, #size samp_rate, #samp_rate "", #name 1 #number of inputs ) self.qtgui_time_sink_x_0.set_update_time(0.10) self.qtgui_time_sink_x_0.set_y_axis(-1, 1) self.qtgui_time_sink_x_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_0.enable_tags(True) self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_0.enable_autoscale(False) self.qtgui_time_sink_x_0.enable_grid(False) self.qtgui_time_sink_x_0.enable_axis_labels(True) self.qtgui_time_sink_x_0.enable_control_panel(False) self.qtgui_time_sink_x_0.enable_stem_plot(False) labels = [ 'Signal 1', 'Signal 2', 'Signal 3', 'Signal 4', 'Signal 5', 'Signal 6', 'Signal 7', 'Signal 8', 'Signal 9', 'Signal 10' ] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ 'blue', 'red', 'green', 'black', 'cyan', 'magenta', 'yellow', 'dark red', 'dark green', 'dark blue' ] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] for i in range(1): if len(labels[i]) == 0: self.qtgui_time_sink_x_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_time_sink_x_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_0_win = sip.wrapinstance( self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_win) self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_fcf( 1, filter_taps, (freq_symbol_1 + freq_symbol_0) / 2, samp_rate) self.digital_protocol_formatter_bb_0 = digital.protocol_formatter_bb( hdr_format, 'len_key') self.digital_correlate_access_code_xx_ts_1_0_0 = digital.correlate_access_code_bb_ts( digital.packet_utils.default_access_code, 6, 'len_key2') self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff( SPS, 0.25 * 0.175 * 0.175, 0.5, 0.175, 0.005) self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb() self.blocks_vector_source_x_0 = blocks.vector_source_b((1, 0), True, 1, []) self.blocks_tagged_stream_to_pdu_0_0_0_0_0 = blocks.tagged_stream_to_pdu( blocks.byte_t, 'len_key2') self.blocks_tagged_stream_mux_1 = blocks.tagged_stream_mux( gr.sizeof_char * 1, 'len_key', 0) self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux( gr.sizeof_char * 1, 'len_key', 0) self.blocks_stream_to_tagged_stream_1 = blocks.stream_to_tagged_stream( gr.sizeof_char, 1, 147, 'len_key') self.blocks_stream_to_tagged_stream_0_0 = blocks.stream_to_tagged_stream( gr.sizeof_char, 1, 100, 'len_key') self.blocks_repeat_0 = blocks.repeat(gr.sizeof_float * 1, SPS) self.blocks_repack_bits_bb_0_0_0_0 = blocks.repack_bits_bb( 1, 8, 'len_key2', False, gr.GR_MSB_FIRST) self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb( 8, 1, 'len_key', False, gr.GR_MSB_FIRST) self.blocks_not_xx_0 = blocks.not_bb() self.blocks_multiply_xx_1 = blocks.multiply_vff(1) self.blocks_multiply_xx_0 = blocks.multiply_vff(1) self.blocks_multiply_const_vxx_0 = blocks.multiply_const_ff(0.6) self.blocks_message_debug_0_0_0_0_0 = blocks.message_debug() self.blocks_float_to_char_0 = blocks.float_to_char(1, 1) self.blocks_file_source_0 = blocks.file_source( gr.sizeof_char * 1, '/home/peter/Desktop/acoustic_radio/Testings/test_input.txt', True, 0, 0) self.blocks_file_source_0.set_begin_tag(pmt.PMT_NIL) self.blocks_file_sink_0 = blocks.file_sink( gr.sizeof_char * 1, '/home/peter/Desktop/output.txt', False) self.blocks_file_sink_0.set_unbuffered(True) self.blocks_char_to_float_2 = blocks.char_to_float(1, 1) self.blocks_char_to_float_1 = blocks.char_to_float(1, 1) self.blocks_add_xx_0 = blocks.add_vff(1) self.blocks_add_const_vxx_0 = blocks.add_const_ff(2) self.band_pass_filter_0_0 = filter.fir_filter_fff( 1, firdes.band_pass(1, samp_rate, freq_symbol_1 - 100, freq_symbol_1 + 100, 100, firdes.WIN_HAMMING, 6.76)) self.band_pass_filter_0 = filter.fir_filter_fff( 1, firdes.band_pass(1, samp_rate, freq_symbol_0 - 100, freq_symbol_0 + 100, 100, firdes.WIN_HAMMING, 6.76)) self.audio_source_0 = audio.source(44100, '', True) self.audio_sink_0 = audio.sink(44100, '', True) self.analog_sig_source_x_1 = analog.sig_source_f( samp_rate, analog.GR_COS_WAVE, freq_symbol_1, 1, 0, 0) self.analog_sig_source_x_0 = analog.sig_source_f( samp_rate, analog.GR_COS_WAVE, freq_symbol_0, 1, 0, 0) self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf( samp_rate / (2 * math.pi * fsk_deviation_hz / 8.0)) ################################################## # Connections ################################################## self.msg_connect((self.blocks_tagged_stream_to_pdu_0_0_0_0_0, 'pdus'), (self.blocks_message_debug_0_0_0_0_0, 'print')) self.connect((self.analog_quadrature_demod_cf_0, 0), (self.digital_clock_recovery_mm_xx_0, 0)) self.connect((self.analog_sig_source_x_0, 0), (self.blocks_multiply_xx_0, 1)) self.connect((self.analog_sig_source_x_1, 0), (self.blocks_multiply_xx_1, 0)) self.connect((self.audio_source_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0)) self.connect((self.band_pass_filter_0, 0), (self.blocks_add_xx_0, 0)) self.connect((self.band_pass_filter_0_0, 0), (self.blocks_add_xx_0, 1)) self.connect((self.blocks_add_const_vxx_0, 0), (self.blocks_multiply_xx_0, 0)) self.connect((self.blocks_add_xx_0, 0), (self.blocks_multiply_const_vxx_0, 0)) self.connect((self.blocks_char_to_float_1, 0), (self.blocks_repeat_0, 0)) self.connect((self.blocks_char_to_float_2, 0), (self.blocks_add_const_vxx_0, 0)) self.connect((self.blocks_file_source_0, 0), (self.blocks_stream_to_tagged_stream_1, 0)) self.connect((self.blocks_float_to_char_0, 0), (self.blocks_not_xx_0, 0)) self.connect((self.blocks_multiply_const_vxx_0, 0), (self.audio_sink_0, 0)) self.connect((self.blocks_multiply_const_vxx_0, 0), (self.qtgui_time_sink_x_0, 0)) self.connect((self.blocks_multiply_xx_0, 0), (self.band_pass_filter_0, 0)) self.connect((self.blocks_multiply_xx_1, 0), (self.band_pass_filter_0_0, 0)) self.connect((self.blocks_not_xx_0, 0), (self.blocks_char_to_float_2, 0)) self.connect((self.blocks_repack_bits_bb_0, 0), (self.blocks_tagged_stream_mux_1, 1)) self.connect((self.blocks_repack_bits_bb_0_0_0_0, 0), (self.blocks_file_sink_0, 0)) self.connect((self.blocks_repack_bits_bb_0_0_0_0, 0), (self.blocks_tagged_stream_to_pdu_0_0_0_0_0, 0)) self.connect((self.blocks_repeat_0, 0), (self.blocks_float_to_char_0, 0)) self.connect((self.blocks_repeat_0, 0), (self.blocks_multiply_xx_1, 1)) self.connect((self.blocks_stream_to_tagged_stream_0_0, 0), (self.blocks_tagged_stream_mux_1, 0)) self.connect((self.blocks_stream_to_tagged_stream_1, 0), (self.blocks_tagged_stream_mux_0, 1)) self.connect((self.blocks_stream_to_tagged_stream_1, 0), (self.digital_protocol_formatter_bb_0, 0)) self.connect((self.blocks_tagged_stream_mux_0, 0), (self.blocks_repack_bits_bb_0, 0)) self.connect((self.blocks_tagged_stream_mux_1, 0), (self.blocks_char_to_float_1, 0)) self.connect((self.blocks_vector_source_x_0, 0), (self.blocks_stream_to_tagged_stream_0_0, 0)) self.connect((self.digital_binary_slicer_fb_0, 0), (self.digital_correlate_access_code_xx_ts_1_0_0, 0)) self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.digital_binary_slicer_fb_0, 0)) self.connect((self.digital_correlate_access_code_xx_ts_1_0_0, 0), (self.blocks_repack_bits_bb_0_0_0_0, 0)) self.connect((self.digital_protocol_formatter_bb_0, 0), (self.blocks_tagged_stream_mux_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.analog_quadrature_demod_cf_0, 0))
def __init__(self): gr.top_block.__init__(self, "Rx") Qt.QWidget.__init__(self) self.setWindowTitle("Rx") qtgui.util.check_set_qss() try: self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc')) except: pass self.top_scroll_layout = Qt.QVBoxLayout() self.setLayout(self.top_scroll_layout) self.top_scroll = Qt.QScrollArea() self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame) self.top_scroll_layout.addWidget(self.top_scroll) self.top_scroll.setWidgetResizable(True) self.top_widget = Qt.QWidget() self.top_scroll.setWidget(self.top_widget) self.top_layout = Qt.QVBoxLayout(self.top_widget) self.top_grid_layout = Qt.QGridLayout() self.top_layout.addLayout(self.top_grid_layout) self.settings = Qt.QSettings("GNU Radio", "rx") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Variables ################################################## self.sps = sps = 4 self.samp_rate_array_MCR = samp_rate_array_MCR = [ 7500000, 5000000, 3750000, 3000000, 2500000, 2000000, 1500000, 1000000, 937500, 882352, 833333, 714285, 533333, 500000, 421052, 400000, 380952, 200000 ] self.nfilts = nfilts = 32 self.eb = eb = 0.22 self.variable_qtgui_range_0_1 = variable_qtgui_range_0_1 = 30 self.variable_qtgui_range_0_0 = variable_qtgui_range_0_0 = 50 self.samp_rate = samp_rate = samp_rate_array_MCR[15] self.rx_rrc_taps = rx_rrc_taps = firdes.root_raised_cosine( nfilts, nfilts * sps, 1.0, eb, 11 * sps * nfilts) self.pld_const = pld_const = digital.constellation_rect(([ 0.707 + 0.707j, -0.707 + 0.707j, -0.707 - 0.707j, 0.707 - 0.707j ]), ([0, 1, 2, 3]), 4, 2, 2, 1, 1).base() self.pld_const.gen_soft_dec_lut(8) self.frequencia_usrp = frequencia_usrp = 484e6 self.MCR = MCR = "master_clock_rate=60e6" ################################################## # Blocks ################################################## self._variable_qtgui_range_0_1_range = Range(0, 73, 1, 30, 200) self._variable_qtgui_range_0_1_win = RangeWidget( self._variable_qtgui_range_0_1_range, self.set_variable_qtgui_range_0_1, 'Gain_RX', "counter_slider", float) self.top_grid_layout.addWidget(self._variable_qtgui_range_0_1_win, 0, 1, 1, 1) for r in range(0, 1): self.top_grid_layout.setRowStretch(r, 1) for c in range(1, 2): self.top_grid_layout.setColumnStretch(c, 1) self._variable_qtgui_range_0_0_range = Range(0, 90, 1, 50, 200) self._variable_qtgui_range_0_0_win = RangeWidget( self._variable_qtgui_range_0_0_range, self.set_variable_qtgui_range_0_0, 'Gain_Jamming', "counter_slider", float) self.top_grid_layout.addWidget(self._variable_qtgui_range_0_0_win, 0, 2, 1, 1) for r in range(0, 1): self.top_grid_layout.setRowStretch(r, 1) for c in range(2, 3): self.top_grid_layout.setColumnStretch(c, 1) self.uhd_usrp_source_0_0 = uhd.usrp_source( ",".join(("serial=F5EAC0", MCR)), uhd.stream_args( cpu_format="fc32", channels=range(1), ), ) self.uhd_usrp_source_0_0.set_samp_rate(samp_rate) self.uhd_usrp_source_0_0.set_time_now(uhd.time_spec(time.time()), uhd.ALL_MBOARDS) self.uhd_usrp_source_0_0.set_center_freq(frequencia_usrp, 0) self.uhd_usrp_source_0_0.set_gain(variable_qtgui_range_0_1, 0) self.uhd_usrp_source_0_0.set_antenna('TX/RX', 0) self.uhd_usrp_source_0_0.set_auto_dc_offset(True, 0) self.uhd_usrp_source_0_0.set_auto_iq_balance(True, 0) self.uhd_usrp_sink_0 = uhd.usrp_sink( ",".join(("serial=F5EAC0", "")), uhd.stream_args( cpu_format="fc32", channels=range(1), ), ) self.uhd_usrp_sink_0.set_subdev_spec('A:B', 0) self.uhd_usrp_sink_0.set_samp_rate(samp_rate) self.uhd_usrp_sink_0.set_time_now(uhd.time_spec(time.time()), uhd.ALL_MBOARDS) self.uhd_usrp_sink_0.set_center_freq(frequencia_usrp, 0) self.uhd_usrp_sink_0.set_gain(variable_qtgui_range_0_0, 0) self.uhd_usrp_sink_0.set_antenna('TX/RX', 0) self.qtgui_time_sink_x_1_0_0 = qtgui.time_sink_c( 1024, #size samp_rate, #samp_rate "TX JAMMING USRP", #name 1 #number of inputs ) self.qtgui_time_sink_x_1_0_0.set_update_time(0.10) self.qtgui_time_sink_x_1_0_0.set_y_axis(-1, 1) self.qtgui_time_sink_x_1_0_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_1_0_0.enable_tags(-1, True) self.qtgui_time_sink_x_1_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_1_0_0.enable_autoscale(False) self.qtgui_time_sink_x_1_0_0.enable_grid(False) self.qtgui_time_sink_x_1_0_0.enable_axis_labels(True) self.qtgui_time_sink_x_1_0_0.enable_control_panel(False) self.qtgui_time_sink_x_1_0_0.enable_stem_plot(False) if not True: self.qtgui_time_sink_x_1_0_0.disable_legend() labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "blue" ] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(2): if len(labels[i]) == 0: if (i % 2 == 0): self.qtgui_time_sink_x_1_0_0.set_line_label( i, "Re{{Data {0}}}".format(i / 2)) else: self.qtgui_time_sink_x_1_0_0.set_line_label( i, "Im{{Data {0}}}".format(i / 2)) else: self.qtgui_time_sink_x_1_0_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_1_0_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_1_0_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_1_0_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_1_0_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_1_0_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_1_0_0_win = sip.wrapinstance( self.qtgui_time_sink_x_1_0_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_1_0_0_win, 1, 1, 1, 1) for r in range(1, 2): self.top_grid_layout.setRowStretch(r, 1) for c in range(1, 2): self.top_grid_layout.setColumnStretch(c, 1) self.qtgui_time_sink_x_1_0 = qtgui.time_sink_c( 1024, #size samp_rate, #samp_rate "RX USRP", #name 1 #number of inputs ) self.qtgui_time_sink_x_1_0.set_update_time(0.10) self.qtgui_time_sink_x_1_0.set_y_axis(-1, 1) self.qtgui_time_sink_x_1_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_1_0.enable_tags(-1, True) self.qtgui_time_sink_x_1_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_1_0.enable_autoscale(False) self.qtgui_time_sink_x_1_0.enable_grid(False) self.qtgui_time_sink_x_1_0.enable_axis_labels(True) self.qtgui_time_sink_x_1_0.enable_control_panel(False) self.qtgui_time_sink_x_1_0.enable_stem_plot(False) if not True: self.qtgui_time_sink_x_1_0.disable_legend() labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "blue" ] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(2): if len(labels[i]) == 0: if (i % 2 == 0): self.qtgui_time_sink_x_1_0.set_line_label( i, "Re{{Data {0}}}".format(i / 2)) else: self.qtgui_time_sink_x_1_0.set_line_label( i, "Im{{Data {0}}}".format(i / 2)) else: self.qtgui_time_sink_x_1_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_1_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_1_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_1_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_1_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_1_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_1_0_win = sip.wrapinstance( self.qtgui_time_sink_x_1_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_1_0_win, 1, 3, 1, 1) for r in range(1, 2): self.top_grid_layout.setRowStretch(r, 1) for c in range(3, 4): self.top_grid_layout.setColumnStretch(c, 1) self.qtgui_freq_sink_x_1 = qtgui.freq_sink_c( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw "", #name 1 #number of inputs ) self.qtgui_freq_sink_x_1.set_update_time(0.10) self.qtgui_freq_sink_x_1.set_y_axis(-140, 10) self.qtgui_freq_sink_x_1.set_y_label('Relative Gain', 'dB') self.qtgui_freq_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "") self.qtgui_freq_sink_x_1.enable_autoscale(False) self.qtgui_freq_sink_x_1.enable_grid(False) self.qtgui_freq_sink_x_1.set_fft_average(1.0) self.qtgui_freq_sink_x_1.enable_axis_labels(True) self.qtgui_freq_sink_x_1.enable_control_panel(False) if not True: self.qtgui_freq_sink_x_1.disable_legend() if "complex" == "float" or "complex" == "msg_float": self.qtgui_freq_sink_x_1.set_plot_pos_half(not True) labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "dark blue" ] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.qtgui_freq_sink_x_1.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_freq_sink_x_1.set_line_label(i, labels[i]) self.qtgui_freq_sink_x_1.set_line_width(i, widths[i]) self.qtgui_freq_sink_x_1.set_line_color(i, colors[i]) self.qtgui_freq_sink_x_1.set_line_alpha(i, alphas[i]) self._qtgui_freq_sink_x_1_win = sip.wrapinstance( self.qtgui_freq_sink_x_1.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_1_win, 1, 2, 1, 1) for r in range(1, 2): self.top_grid_layout.setRowStretch(r, 1) for c in range(2, 3): self.top_grid_layout.setColumnStretch(c, 1) self.qtgui_const_sink_x_0_0_0_1 = qtgui.const_sink_c( 1024, #size "RX Const", #name 1 #number of inputs ) self.qtgui_const_sink_x_0_0_0_1.set_update_time(0.10) self.qtgui_const_sink_x_0_0_0_1.set_y_axis(-2, 2) self.qtgui_const_sink_x_0_0_0_1.set_x_axis(-2, 2) self.qtgui_const_sink_x_0_0_0_1.set_trigger_mode( qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.qtgui_const_sink_x_0_0_0_1.enable_autoscale(False) self.qtgui_const_sink_x_0_0_0_1.enable_grid(False) self.qtgui_const_sink_x_0_0_0_1.enable_axis_labels(True) if not True: self.qtgui_const_sink_x_0_0_0_1.disable_legend() labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "red", "red", "red", "red", "red", "red", "red", "red" ] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.qtgui_const_sink_x_0_0_0_1.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_const_sink_x_0_0_0_1.set_line_label(i, labels[i]) self.qtgui_const_sink_x_0_0_0_1.set_line_width(i, widths[i]) self.qtgui_const_sink_x_0_0_0_1.set_line_color(i, colors[i]) self.qtgui_const_sink_x_0_0_0_1.set_line_style(i, styles[i]) self.qtgui_const_sink_x_0_0_0_1.set_line_marker(i, markers[i]) self.qtgui_const_sink_x_0_0_0_1.set_line_alpha(i, alphas[i]) self._qtgui_const_sink_x_0_0_0_1_win = sip.wrapinstance( self.qtgui_const_sink_x_0_0_0_1.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_0_0_1_win, 2, 1, 1, 1) for r in range(2, 3): self.top_grid_layout.setRowStretch(r, 1) for c in range(1, 2): self.top_grid_layout.setColumnStretch(c, 1) self.qtgui_const_sink_x_0_0_0 = qtgui.const_sink_c( 1024, #size "RX Treated", #name 1 #number of inputs ) self.qtgui_const_sink_x_0_0_0.set_update_time(0.10) self.qtgui_const_sink_x_0_0_0.set_y_axis(-2, 2) self.qtgui_const_sink_x_0_0_0.set_x_axis(-2, 2) self.qtgui_const_sink_x_0_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.qtgui_const_sink_x_0_0_0.enable_autoscale(False) self.qtgui_const_sink_x_0_0_0.enable_grid(False) self.qtgui_const_sink_x_0_0_0.enable_axis_labels(True) if not True: self.qtgui_const_sink_x_0_0_0.disable_legend() labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "red", "red", "red", "red", "red", "red", "red", "red" ] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.qtgui_const_sink_x_0_0_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_const_sink_x_0_0_0.set_line_label(i, labels[i]) self.qtgui_const_sink_x_0_0_0.set_line_width(i, widths[i]) self.qtgui_const_sink_x_0_0_0.set_line_color(i, colors[i]) self.qtgui_const_sink_x_0_0_0.set_line_style(i, styles[i]) self.qtgui_const_sink_x_0_0_0.set_line_marker(i, markers[i]) self.qtgui_const_sink_x_0_0_0.set_line_alpha(i, alphas[i]) self._qtgui_const_sink_x_0_0_0_win = sip.wrapinstance( self.qtgui_const_sink_x_0_0_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_0_0_win, 2, 2, 1, 1) for r in range(2, 3): self.top_grid_layout.setRowStretch(r, 1) for c in range(2, 3): self.top_grid_layout.setColumnStretch(c, 1) self.interp_fir_filter_xxx_1 = filter.interp_fir_filter_ccc( 4, ([1, 0, 0, 0])) self.interp_fir_filter_xxx_1.declare_sample_delay(0) self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf( sps, 6.28 / 100.0, (rx_rrc_taps), nfilts, nfilts / 2, 1.5, 2) self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb( pld_const.arity()) self.digital_costas_loop_cc_0_0 = digital.costas_loop_cc( 6.28 / 100.0, pld_const.arity(), False) self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb( pld_const) self.digital_cma_equalizer_cc_0_0 = digital.cma_equalizer_cc( 15, 1, 0.01, 2) self.custom_corr = correlate_and_delay.corr_and_delay( 200 * sps, 0, 0.9995, sps) self.cac_cpp_cac_bb_0 = cac_cpp.cac_bb( digital.packet_utils.default_access_code, 1) self.blocks_repack_bits_bb_0_0_0_1_0 = blocks.repack_bits_bb( 1, 8, '', False, gr.GR_MSB_FIRST) self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb( pld_const.bits_per_symbol(), 1, '', False, gr.GR_MSB_FIRST) self.blocks_null_sink_1 = blocks.null_sink(gr.sizeof_gr_complex * 1) self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_gr_complex * 1) self.blocks_multiply_const_vxx_1_0 = blocks.multiply_const_vcc((0.5, )) self.blocks_file_sink_0_0_0_0_2_0 = blocks.file_sink( gr.sizeof_char * 1, '/home/it/temp_buffer.txt', False) self.blocks_file_sink_0_0_0_0_2_0.set_unbuffered(False) self.analog_noise_source_x_0_0 = analog.noise_source_c( analog.GR_GAUSSIAN, 1, -5) self.adapt_lms_filter_xx_0 = adapt.lms_filter_cc( True, 32, 0.0001, 0, 1, True, False, False) ################################################## # Connections ################################################## self.connect((self.adapt_lms_filter_xx_0, 0), (self.blocks_null_sink_0, 0)) self.connect((self.adapt_lms_filter_xx_0, 1), (self.digital_pfb_clock_sync_xxx_0, 0)) self.connect((self.analog_noise_source_x_0_0, 0), (self.interp_fir_filter_xxx_1, 0)) self.connect((self.blocks_multiply_const_vxx_1_0, 0), (self.custom_corr, 0)) self.connect((self.blocks_multiply_const_vxx_1_0, 0), (self.qtgui_freq_sink_x_1, 0)) self.connect((self.blocks_multiply_const_vxx_1_0, 0), (self.qtgui_time_sink_x_1_0_0, 0)) self.connect((self.blocks_multiply_const_vxx_1_0, 0), (self.uhd_usrp_sink_0, 0)) self.connect((self.blocks_repack_bits_bb_0, 0), (self.cac_cpp_cac_bb_0, 0)) self.connect((self.blocks_repack_bits_bb_0_0_0_1_0, 0), (self.blocks_file_sink_0_0_0_0_2_0, 0)) self.connect((self.cac_cpp_cac_bb_0, 0), (self.blocks_repack_bits_bb_0_0_0_1_0, 0)) self.connect((self.custom_corr, 0), (self.adapt_lms_filter_xx_0, 1)) self.connect((self.custom_corr, 1), (self.adapt_lms_filter_xx_0, 0)) self.connect((self.custom_corr, 2), (self.blocks_null_sink_1, 0)) self.connect((self.digital_cma_equalizer_cc_0_0, 0), (self.digital_costas_loop_cc_0_0, 0)) self.connect((self.digital_constellation_decoder_cb_0, 0), (self.digital_diff_decoder_bb_0, 0)) self.connect((self.digital_costas_loop_cc_0_0, 0), (self.digital_constellation_decoder_cb_0, 0)) self.connect((self.digital_costas_loop_cc_0_0, 0), (self.qtgui_const_sink_x_0_0_0, 0)) self.connect((self.digital_diff_decoder_bb_0, 0), (self.blocks_repack_bits_bb_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_cma_equalizer_cc_0_0, 0)) self.connect((self.interp_fir_filter_xxx_1, 0), (self.blocks_multiply_const_vxx_1_0, 0)) self.connect((self.uhd_usrp_source_0_0, 0), (self.custom_corr, 1)) self.connect((self.uhd_usrp_source_0_0, 0), (self.qtgui_const_sink_x_0_0_0_1, 0)) self.connect((self.uhd_usrp_source_0_0, 0), (self.qtgui_time_sink_x_1_0, 0))
def __init__(self): gr.top_block.__init__(self, "Top Block") Qt.QWidget.__init__(self) self.setWindowTitle("Top Block") try: self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc')) except: pass self.top_scroll_layout = Qt.QVBoxLayout() self.setLayout(self.top_scroll_layout) self.top_scroll = Qt.QScrollArea() self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame) self.top_scroll_layout.addWidget(self.top_scroll) self.top_scroll.setWidgetResizable(True) self.top_widget = Qt.QWidget() self.top_scroll.setWidget(self.top_widget) self.top_layout = Qt.QVBoxLayout(self.top_widget) self.top_grid_layout = Qt.QGridLayout() self.top_layout.addLayout(self.top_grid_layout) self.settings = Qt.QSettings("GNU Radio", "top_block") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Variables ################################################## self.sps = sps = 4 self.nfilts = nfilts = 32 self.timing_loop_bw = timing_loop_bw = 15.0 / 100.0 self.taps = taps = [1.0, 0.25 - 0.25j, 0.50 + 0.10j, -0.3 + 0.2j] self.samp_rate = samp_rate = 250e3 self.rrc_taps = rrc_taps = firdes.root_raised_cosine( nfilts, nfilts, 1.0 / float(sps), 0.35, 11 * sps * nfilts) self.phase_bw = phase_bw = 6.0 / 100.0 self.frequency = frequency = 2.45e9 self.excess_bw = excess_bw = 0.35 self.eq_gain = eq_gain = 10.0e-3 self.code1 = code1 = '010110011011101100010101011111101001001110001011010001101010001' self.arity = arity = 4 ################################################## # Blocks ################################################## self._timing_loop_bw_range = Range(0.0, 0.2, 0.01, 15.0 / 100.0, 200) self._timing_loop_bw_win = RangeWidget(self._timing_loop_bw_range, self.set_timing_loop_bw, "Time: BW", "slider", float) self.top_layout.addWidget(self._timing_loop_bw_win) self.qtgui_tab_widget_1 = Qt.QTabWidget() self.qtgui_tab_widget_1_widget_0 = Qt.QWidget() self.qtgui_tab_widget_1_layout_0 = Qt.QBoxLayout( Qt.QBoxLayout.TopToBottom, self.qtgui_tab_widget_1_widget_0) self.qtgui_tab_widget_1_grid_layout_0 = Qt.QGridLayout() self.qtgui_tab_widget_1_layout_0.addLayout( self.qtgui_tab_widget_1_grid_layout_0) self.qtgui_tab_widget_1.addTab(self.qtgui_tab_widget_1_widget_0, "channel") self.qtgui_tab_widget_1_widget_1 = Qt.QWidget() self.qtgui_tab_widget_1_layout_1 = Qt.QBoxLayout( Qt.QBoxLayout.TopToBottom, self.qtgui_tab_widget_1_widget_1) self.qtgui_tab_widget_1_grid_layout_1 = Qt.QGridLayout() self.qtgui_tab_widget_1_layout_1.addLayout( self.qtgui_tab_widget_1_grid_layout_1) self.qtgui_tab_widget_1.addTab(self.qtgui_tab_widget_1_widget_1, "clock") self.qtgui_tab_widget_1_widget_2 = Qt.QWidget() self.qtgui_tab_widget_1_layout_2 = Qt.QBoxLayout( Qt.QBoxLayout.TopToBottom, self.qtgui_tab_widget_1_widget_2) self.qtgui_tab_widget_1_grid_layout_2 = Qt.QGridLayout() self.qtgui_tab_widget_1_layout_2.addLayout( self.qtgui_tab_widget_1_grid_layout_2) self.qtgui_tab_widget_1.addTab(self.qtgui_tab_widget_1_widget_2, "equilizer") self.qtgui_tab_widget_1_widget_3 = Qt.QWidget() self.qtgui_tab_widget_1_layout_3 = Qt.QBoxLayout( Qt.QBoxLayout.TopToBottom, self.qtgui_tab_widget_1_widget_3) self.qtgui_tab_widget_1_grid_layout_3 = Qt.QGridLayout() self.qtgui_tab_widget_1_layout_3.addLayout( self.qtgui_tab_widget_1_grid_layout_3) self.qtgui_tab_widget_1.addTab(self.qtgui_tab_widget_1_widget_3, "frequency correction") self.qtgui_tab_widget_1_widget_4 = Qt.QWidget() self.qtgui_tab_widget_1_layout_4 = Qt.QBoxLayout( Qt.QBoxLayout.TopToBottom, self.qtgui_tab_widget_1_widget_4) self.qtgui_tab_widget_1_grid_layout_4 = Qt.QGridLayout() self.qtgui_tab_widget_1_layout_4.addLayout( self.qtgui_tab_widget_1_grid_layout_4) self.qtgui_tab_widget_1.addTab(self.qtgui_tab_widget_1_widget_4, "difference") self.qtgui_tab_widget_1_widget_5 = Qt.QWidget() self.qtgui_tab_widget_1_layout_5 = Qt.QBoxLayout( Qt.QBoxLayout.TopToBottom, self.qtgui_tab_widget_1_widget_5) self.qtgui_tab_widget_1_grid_layout_5 = Qt.QGridLayout() self.qtgui_tab_widget_1_layout_5.addLayout( self.qtgui_tab_widget_1_grid_layout_5) self.qtgui_tab_widget_1.addTab(self.qtgui_tab_widget_1_widget_5, "in/out") self.top_layout.addWidget(self.qtgui_tab_widget_1) self._phase_bw_range = Range(0.0, 1.0, 0.01, 6.0 / 100.0, 200) self._phase_bw_win = RangeWidget(self._phase_bw_range, self.set_phase_bw, "Phase: Bandwidth", "slider", float) self.top_layout.addWidget(self._phase_bw_win) self._eq_gain_range = Range(0.0, 0.1, 0.0001, 10.0e-3, 200) self._eq_gain_win = RangeWidget(self._eq_gain_range, self.set_eq_gain, "Equalizer: rate", "slider", float) self.top_layout.addWidget(self._eq_gain_win) self.uhd_usrp_source_0 = uhd.usrp_source( ",".join(("", "")), uhd.stream_args( cpu_format="fc32", channels=range(1), ), ) self.uhd_usrp_source_0.set_samp_rate(250e3) self.uhd_usrp_source_0.set_center_freq(frequency, 0) self.uhd_usrp_source_0.set_gain(30, 0) self.uhd_usrp_source_0.set_antenna("TX/RX", 0) self.uhd_usrp_source_0.set_bandwidth(250e3, 0) self.tutorial_my_qpsk_demod_cb_1 = tutorial.my_qpsk_demod_cb(False) self.qtgui_freq_sink_x_2 = qtgui.freq_sink_c( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw "", #name 1 #number of inputs ) self.qtgui_freq_sink_x_2.set_update_time(0.10) self.qtgui_freq_sink_x_2.set_y_axis(-140, 10) self.qtgui_freq_sink_x_2.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "") self.qtgui_freq_sink_x_2.enable_autoscale(False) self.qtgui_freq_sink_x_2.enable_grid(False) self.qtgui_freq_sink_x_2.set_fft_average(1.0) self.qtgui_freq_sink_x_2.enable_control_panel(False) if not True: self.qtgui_freq_sink_x_2.disable_legend() if "complex" == "float" or "complex" == "msg_float": self.qtgui_freq_sink_x_2.set_plot_pos_half(not True) labels = ["", "", "", "", "", "", "", "", "", ""] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "dark blue" ] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.qtgui_freq_sink_x_2.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_freq_sink_x_2.set_line_label(i, labels[i]) self.qtgui_freq_sink_x_2.set_line_width(i, widths[i]) self.qtgui_freq_sink_x_2.set_line_color(i, colors[i]) self.qtgui_freq_sink_x_2.set_line_alpha(i, alphas[i]) self._qtgui_freq_sink_x_2_win = sip.wrapinstance( self.qtgui_freq_sink_x_2.pyqwidget(), Qt.QWidget) self.qtgui_tab_widget_1_grid_layout_1.addWidget( self._qtgui_freq_sink_x_2_win, 0, 1) self.qtgui_freq_sink_x_1 = qtgui.freq_sink_c( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw "", #name 1 #number of inputs ) self.qtgui_freq_sink_x_1.set_update_time(0.10) self.qtgui_freq_sink_x_1.set_y_axis(-140, 10) self.qtgui_freq_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "") self.qtgui_freq_sink_x_1.enable_autoscale(False) self.qtgui_freq_sink_x_1.enable_grid(False) self.qtgui_freq_sink_x_1.set_fft_average(1.0) self.qtgui_freq_sink_x_1.enable_control_panel(False) if not True: self.qtgui_freq_sink_x_1.disable_legend() if "complex" == "float" or "complex" == "msg_float": self.qtgui_freq_sink_x_1.set_plot_pos_half(not True) labels = ["", "", "", "", "", "", "", "", "", ""] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "dark blue" ] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.qtgui_freq_sink_x_1.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_freq_sink_x_1.set_line_label(i, labels[i]) self.qtgui_freq_sink_x_1.set_line_width(i, widths[i]) self.qtgui_freq_sink_x_1.set_line_color(i, colors[i]) self.qtgui_freq_sink_x_1.set_line_alpha(i, alphas[i]) self._qtgui_freq_sink_x_1_win = sip.wrapinstance( self.qtgui_freq_sink_x_1.pyqwidget(), Qt.QWidget) self.qtgui_tab_widget_1_grid_layout_0.addWidget( self._qtgui_freq_sink_x_1_win, 0, 1) self.qtgui_freq_sink_x_0_0 = qtgui.freq_sink_c( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw "", #name 1 #number of inputs ) self.qtgui_freq_sink_x_0_0.set_update_time(0.10) self.qtgui_freq_sink_x_0_0.set_y_axis(-140, 10) self.qtgui_freq_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "") self.qtgui_freq_sink_x_0_0.enable_autoscale(False) self.qtgui_freq_sink_x_0_0.enable_grid(False) self.qtgui_freq_sink_x_0_0.set_fft_average(1.0) self.qtgui_freq_sink_x_0_0.enable_control_panel(False) if not True: self.qtgui_freq_sink_x_0_0.disable_legend() if "complex" == "float" or "complex" == "msg_float": self.qtgui_freq_sink_x_0_0.set_plot_pos_half(not True) labels = ["", "", "", "", "", "", "", "", "", ""] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "dark blue" ] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.qtgui_freq_sink_x_0_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_freq_sink_x_0_0.set_line_label(i, labels[i]) self.qtgui_freq_sink_x_0_0.set_line_width(i, widths[i]) self.qtgui_freq_sink_x_0_0.set_line_color(i, colors[i]) self.qtgui_freq_sink_x_0_0.set_line_alpha(i, alphas[i]) self._qtgui_freq_sink_x_0_0_win = sip.wrapinstance( self.qtgui_freq_sink_x_0_0.pyqwidget(), Qt.QWidget) self.qtgui_tab_widget_1_grid_layout_3.addWidget( self._qtgui_freq_sink_x_0_0_win, 0, 1) self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw "", #name 1 #number of inputs ) self.qtgui_freq_sink_x_0.set_update_time(0.10) self.qtgui_freq_sink_x_0.set_y_axis(-140, 10) self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "") self.qtgui_freq_sink_x_0.enable_autoscale(False) self.qtgui_freq_sink_x_0.enable_grid(False) self.qtgui_freq_sink_x_0.set_fft_average(1.0) self.qtgui_freq_sink_x_0.enable_control_panel(False) if not True: self.qtgui_freq_sink_x_0.disable_legend() if "complex" == "float" or "complex" == "msg_float": self.qtgui_freq_sink_x_0.set_plot_pos_half(not True) labels = ["", "", "", "", "", "", "", "", "", ""] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "dark blue" ] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.qtgui_freq_sink_x_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_freq_sink_x_0.set_line_label(i, labels[i]) self.qtgui_freq_sink_x_0.set_line_width(i, widths[i]) self.qtgui_freq_sink_x_0.set_line_color(i, colors[i]) self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_freq_sink_x_0_win = sip.wrapinstance( self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget) self.qtgui_tab_widget_1_grid_layout_2.addWidget( self._qtgui_freq_sink_x_0_win, 0, 1) self.output_0_1_0 = qtgui.time_sink_f( 500, #size samp_rate, #samp_rate "", #name 1 #number of inputs ) self.output_0_1_0.set_update_time(0.10) self.output_0_1_0.set_y_axis(-1, 1) self.output_0_1_0.set_y_label("Amplitude", "") self.output_0_1_0.enable_tags(-1, True) self.output_0_1_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.output_0_1_0.enable_autoscale(False) self.output_0_1_0.enable_grid(False) self.output_0_1_0.enable_control_panel(True) if not True: self.output_0_1_0.disable_legend() labels = ["", "", "", "", "", "", "", "", "", ""] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "blue" ] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.output_0_1_0.set_line_label(i, "Data {0}".format(i)) else: self.output_0_1_0.set_line_label(i, labels[i]) self.output_0_1_0.set_line_width(i, widths[i]) self.output_0_1_0.set_line_color(i, colors[i]) self.output_0_1_0.set_line_style(i, styles[i]) self.output_0_1_0.set_line_marker(i, markers[i]) self.output_0_1_0.set_line_alpha(i, alphas[i]) self._output_0_1_0_win = sip.wrapinstance( self.output_0_1_0.pyqwidget(), Qt.QWidget) self.qtgui_tab_widget_1_grid_layout_5.addWidget( self._output_0_1_0_win, 0, 1) self.equilizer_0 = qtgui.const_sink_c( 1024, #size "", #name 1 #number of inputs ) self.equilizer_0.set_update_time(0.10) self.equilizer_0.set_y_axis(-2, 2) self.equilizer_0.set_x_axis(-2, 2) self.equilizer_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.equilizer_0.enable_autoscale(False) self.equilizer_0.enable_grid(False) if not True: self.equilizer_0.disable_legend() labels = ["", "", "", "", "", "", "", "", "", ""] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "red", "red", "red", "red", "red", "red", "red", "red" ] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.equilizer_0.set_line_label(i, "Data {0}".format(i)) else: self.equilizer_0.set_line_label(i, labels[i]) self.equilizer_0.set_line_width(i, widths[i]) self.equilizer_0.set_line_color(i, colors[i]) self.equilizer_0.set_line_style(i, styles[i]) self.equilizer_0.set_line_marker(i, markers[i]) self.equilizer_0.set_line_alpha(i, alphas[i]) self._equilizer_0_win = sip.wrapinstance(self.equilizer_0.pyqwidget(), Qt.QWidget) self.qtgui_tab_widget_1_grid_layout_3.addWidget( self._equilizer_0_win, 0, 0) self.equilizer = qtgui.const_sink_c( 1024, #size "", #name 1 #number of inputs ) self.equilizer.set_update_time(0.10) self.equilizer.set_y_axis(-2, 2) self.equilizer.set_x_axis(-2, 2) self.equilizer.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.equilizer.enable_autoscale(False) self.equilizer.enable_grid(False) if not True: self.equilizer.disable_legend() labels = ["", "", "", "", "", "", "", "", "", ""] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "red", "red", "red", "red", "red", "red", "red", "red" ] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.equilizer.set_line_label(i, "Data {0}".format(i)) else: self.equilizer.set_line_label(i, labels[i]) self.equilizer.set_line_width(i, widths[i]) self.equilizer.set_line_color(i, colors[i]) self.equilizer.set_line_style(i, styles[i]) self.equilizer.set_line_marker(i, markers[i]) self.equilizer.set_line_alpha(i, alphas[i]) self._equilizer_win = sip.wrapinstance(self.equilizer.pyqwidget(), Qt.QWidget) self.qtgui_tab_widget_1_grid_layout_2.addWidget( self._equilizer_win, 0, 0) self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf( sps, timing_loop_bw, (rrc_taps), nfilts, nfilts / 2, 1.5, 2) self.digital_map_bb_0 = digital.map_bb(([0, 1, 2, 3])) self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(4) self.digital_costas_loop_cc_0 = digital.costas_loop_cc( phase_bw, arity, False) self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc( 15, 1, eq_gain, 2) self.clock = qtgui.const_sink_c( 1024, #size "", #name 1 #number of inputs ) self.clock.set_update_time(0.10) self.clock.set_y_axis(-2, 2) self.clock.set_x_axis(-2, 2) self.clock.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.clock.enable_autoscale(False) self.clock.enable_grid(False) if not True: self.clock.disable_legend() labels = ["", "", "", "", "", "", "", "", "", ""] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "red", "red", "red", "red", "red", "red", "red", "red" ] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.clock.set_line_label(i, "Data {0}".format(i)) else: self.clock.set_line_label(i, labels[i]) self.clock.set_line_width(i, widths[i]) self.clock.set_line_color(i, colors[i]) self.clock.set_line_style(i, styles[i]) self.clock.set_line_marker(i, markers[i]) self.clock.set_line_alpha(i, alphas[i]) self._clock_win = sip.wrapinstance(self.clock.pyqwidget(), Qt.QWidget) self.qtgui_tab_widget_1_grid_layout_1.addWidget(self._clock_win, 0, 0) self.channel = qtgui.const_sink_c( 1024, #size "", #name 1 #number of inputs ) self.channel.set_update_time(0.10) self.channel.set_y_axis(-2, 2) self.channel.set_x_axis(-2, 2) self.channel.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.channel.enable_autoscale(False) self.channel.enable_grid(False) if not True: self.channel.disable_legend() labels = ["", "", "", "", "", "", "", "", "", ""] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "red", "red", "red", "red", "red", "red", "red", "red" ] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.channel.set_line_label(i, "Data {0}".format(i)) else: self.channel.set_line_label(i, labels[i]) self.channel.set_line_width(i, widths[i]) self.channel.set_line_color(i, colors[i]) self.channel.set_line_style(i, styles[i]) self.channel.set_line_marker(i, markers[i]) self.channel.set_line_alpha(i, alphas[i]) self._channel_win = sip.wrapinstance(self.channel.pyqwidget(), Qt.QWidget) self.qtgui_tab_widget_1_grid_layout_0.addWidget( self._channel_win, 0, 0) self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb( 2, 8, "", False, gr.GR_MSB_FIRST) self.blocks_packed_to_unpacked_xx_0 = blocks.packed_to_unpacked_bb( 1, gr.GR_MSB_FIRST) self.blocks_file_sink_0 = blocks.file_sink( gr.sizeof_char * 1, "/home/sudhir/Desktop/EE340_Project/Output/output.png", False) self.blocks_file_sink_0.set_unbuffered(True) self.blocks_char_to_float_0_0_1_0 = blocks.char_to_float(1, 1) self.blks2_packet_decoder_0_0 = grc_blks2.packet_demod_b( grc_blks2.packet_decoder( access_code=code1, threshold=-1, callback=lambda ok, payload: self.blks2_packet_decoder_0_0. recv_pkt(ok, payload), ), ) ################################################## # Connections ################################################## self.connect((self.blks2_packet_decoder_0_0, 0), (self.blocks_char_to_float_0_0_1_0, 0)) self.connect((self.blks2_packet_decoder_0_0, 0), (self.blocks_file_sink_0, 0)) self.connect((self.blocks_char_to_float_0_0_1_0, 0), (self.output_0_1_0, 0)) self.connect((self.blocks_packed_to_unpacked_xx_0, 0), (self.blks2_packet_decoder_0_0, 0)) self.connect((self.blocks_repack_bits_bb_0, 0), (self.blocks_packed_to_unpacked_xx_0, 0)) self.connect((self.digital_cma_equalizer_cc_0, 0), (self.digital_costas_loop_cc_0, 0)) self.connect((self.digital_cma_equalizer_cc_0, 0), (self.equilizer, 0)) self.connect((self.digital_cma_equalizer_cc_0, 0), (self.qtgui_freq_sink_x_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.equilizer_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.qtgui_freq_sink_x_0_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.tutorial_my_qpsk_demod_cb_1, 0)) self.connect((self.digital_diff_decoder_bb_0, 0), (self.blocks_repack_bits_bb_0, 0)) self.connect((self.digital_map_bb_0, 0), (self.digital_diff_decoder_bb_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.clock, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_cma_equalizer_cc_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.qtgui_freq_sink_x_2, 0)) self.connect((self.tutorial_my_qpsk_demod_cb_1, 0), (self.digital_map_bb_0, 0)) self.connect((self.uhd_usrp_source_0, 0), (self.channel, 0)) self.connect((self.uhd_usrp_source_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0)) self.connect((self.uhd_usrp_source_0, 0), (self.qtgui_freq_sink_x_1, 0))
def __init__(self): gr.top_block.__init__(self, "OFDM Tx") Qt.QWidget.__init__(self) self.setWindowTitle("OFDM Tx") qtgui.util.check_set_qss() try: self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc')) except: pass self.top_scroll_layout = Qt.QVBoxLayout() self.setLayout(self.top_scroll_layout) self.top_scroll = Qt.QScrollArea() self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame) self.top_scroll_layout.addWidget(self.top_scroll) self.top_scroll.setWidgetResizable(True) self.top_widget = Qt.QWidget() self.top_scroll.setWidget(self.top_widget) self.top_layout = Qt.QVBoxLayout(self.top_widget) self.top_grid_layout = Qt.QGridLayout() self.top_layout.addLayout(self.top_grid_layout) self.settings = Qt.QSettings("GNU Radio", "tx_ofdm") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Variables ################################################## self.pilot_symbols = pilot_symbols = ((1, 1, 1, -1,),) self.pilot_carriers = pilot_carriers = ((-21, -7, 7, 21,),) self.payload_mod = payload_mod = digital.constellation_qpsk() self.packet_length_tag_key = packet_length_tag_key = "packet_len" self.occupied_carriers = occupied_carriers = (range(-26, -21) + range(-20, -7) + range(-6, 0) + range(1, 7) + range(8, 21) + range(22, 27),) self.length_tag_key = length_tag_key = "packet_len" self.header_mod = header_mod = digital.constellation_bpsk() self.fft_len = fft_len = 64 self.sync_word2 = sync_word2 = [0, 0, 0, 0, 0, 0, -1, -1, -1, -1, 1, 1, -1, -1, -1, 1, -1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, 1, -1, -1, 1, -1, 0, 1, -1, 1, 1, 1, -1, 1, 1, 1, -1, 1, 1, 1, 1, -1, 1, -1, -1, -1, 1, -1, 1, -1, -1, -1, -1, 0, 0, 0, 0, 0] self.sync_word1 = sync_word1 = [0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 0., 0., 0., 0., 0.] self.samp_rate = samp_rate = 100000 self.rolloff = rolloff = 0 self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_simpledfe(fft_len, payload_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols, 1) self.packet_len = packet_len = 96 self.header_formatter = header_formatter = digital.packet_header_ofdm(occupied_carriers, n_syms=1, len_tag_key=packet_length_tag_key, frame_len_tag_key=length_tag_key, bits_per_header_sym=header_mod.bits_per_symbol(), bits_per_payload_sym=payload_mod.bits_per_symbol(), scramble_header=False) self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe(fft_len, header_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols) self.hdr_format = hdr_format = digital.header_format_ofdm(occupied_carriers, 1, length_tag_key,) ################################################## # Blocks ################################################## self.qtgui_time_sink_x_1 = qtgui.time_sink_f( 20, #size samp_rate, #samp_rate "", #name 1 #number of inputs ) self.qtgui_time_sink_x_1.set_update_time(0.10) self.qtgui_time_sink_x_1.set_y_axis(-1, 1) self.qtgui_time_sink_x_1.set_y_label('Amplitude', "") self.qtgui_time_sink_x_1.enable_tags(-1, True) self.qtgui_time_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_1.enable_autoscale(True) self.qtgui_time_sink_x_1.enable_grid(False) self.qtgui_time_sink_x_1.enable_axis_labels(True) self.qtgui_time_sink_x_1.enable_control_panel(False) if not True: self.qtgui_time_sink_x_1.disable_legend() labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "blue"] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.qtgui_time_sink_x_1.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_time_sink_x_1.set_line_label(i, labels[i]) self.qtgui_time_sink_x_1.set_line_width(i, widths[i]) self.qtgui_time_sink_x_1.set_line_color(i, colors[i]) self.qtgui_time_sink_x_1.set_line_style(i, styles[i]) self.qtgui_time_sink_x_1.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_1.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_1_win = sip.wrapinstance(self.qtgui_time_sink_x_1.pyqwidget(), Qt.QWidget) self.top_layout.addWidget(self._qtgui_time_sink_x_1_win) self.qtgui_time_sink_x_0_0_0 = qtgui.time_sink_f( 200, #size samp_rate, #samp_rate "É ESTE", #name 1 #number of inputs ) self.qtgui_time_sink_x_0_0_0.set_update_time(0.10) self.qtgui_time_sink_x_0_0_0.set_y_axis(-1, 2) self.qtgui_time_sink_x_0_0_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_0_0_0.enable_tags(-1, True) self.qtgui_time_sink_x_0_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_0_0_0.enable_autoscale(True) self.qtgui_time_sink_x_0_0_0.enable_grid(False) self.qtgui_time_sink_x_0_0_0.enable_axis_labels(True) self.qtgui_time_sink_x_0_0_0.enable_control_panel(False) if not True: self.qtgui_time_sink_x_0_0_0.disable_legend() labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "blue"] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.qtgui_time_sink_x_0_0_0.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_time_sink_x_0_0_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_0_0_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_0_0_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_0_0_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_0_0_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_0_0_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_0_0_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0_0_0.pyqwidget(), Qt.QWidget) self.top_layout.addWidget(self._qtgui_time_sink_x_0_0_0_win) self.qtgui_time_sink_x_0 = qtgui.time_sink_c( 1024, #size samp_rate, #samp_rate 'Scope Plot', #name 1 #number of inputs ) self.qtgui_time_sink_x_0.set_update_time(0.10) self.qtgui_time_sink_x_0.set_y_axis(-1, 1) self.qtgui_time_sink_x_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_0.enable_tags(-1, True) self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_0.enable_autoscale(True) self.qtgui_time_sink_x_0.enable_grid(False) self.qtgui_time_sink_x_0.enable_axis_labels(True) self.qtgui_time_sink_x_0.enable_control_panel(False) if not True: self.qtgui_time_sink_x_0.disable_legend() labels = ['Scope Plot', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "blue"] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(2): if len(labels[i]) == 0: if(i % 2 == 0): self.qtgui_time_sink_x_0.set_line_label(i, "Re{{Data {0}}}".format(i/2)) else: self.qtgui_time_sink_x_0.set_line_label(i, "Im{{Data {0}}}".format(i/2)) else: self.qtgui_time_sink_x_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget) self.top_layout.addWidget(self._qtgui_time_sink_x_0_win) self.meu_qpsk_modulator_adapt_cb_0 = meu.qpsk_modulator_adapt_cb() self.meu_qpsk_demod_adapt_cb_0 = meu.qpsk_demod_adapt_cb() self.meu_phase_finder_vci_0 = meu.phase_finder_vci(fft_len/4, fft_len) self.fft_vxx_1 = fft.fft_vcc(fft_len, True, (), True, 1) self.fft_vxx_0_0 = fft.fft_vcc(fft_len, True, (()), True, 1) self.fft_vxx_0 = fft.fft_vcc(fft_len, False, (()), True, 1) self.digital_protocol_formatter_bb_0 = digital.protocol_formatter_bb(hdr_format, length_tag_key) self.digital_packet_headerparser_b_0 = digital.packet_headerparser_b(header_formatter.base()) self.digital_ofdm_sync_sc_cfb_0 = digital.ofdm_sync_sc_cfb(fft_len, fft_len/4, False) self.digital_ofdm_serializer_vcc_payload = digital.ofdm_serializer_vcc(fft_len, occupied_carriers, length_tag_key, packet_length_tag_key, 1, '', True) self.digital_ofdm_serializer_vcc_header = digital.ofdm_serializer_vcc(fft_len, occupied_carriers, length_tag_key, '', 0, '', True) self.digital_ofdm_frame_equalizer_vcvc_1 = digital.ofdm_frame_equalizer_vcvc(payload_equalizer.base(), fft_len/4, length_tag_key, True, 0) self.digital_ofdm_frame_equalizer_vcvc_0 = digital.ofdm_frame_equalizer_vcvc(header_equalizer.base(), fft_len/4, length_tag_key, True, 1) self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer(fft_len, fft_len+fft_len/4, rolloff, length_tag_key) self.digital_ofdm_chanest_vcvc_0 = digital.ofdm_chanest_vcvc((sync_word1), (sync_word2), 1, 0, 3, False) self.digital_ofdm_carrier_allocator_cvc_0 = digital.ofdm_carrier_allocator_cvc(fft_len, occupied_carriers, pilot_carriers, pilot_symbols, (sync_word1, sync_word2), length_tag_key) self.digital_header_payload_demux_0 = digital.header_payload_demux( 3, fft_len, fft_len/4, length_tag_key, "", True, gr.sizeof_gr_complex, "rx_time", samp_rate, (), 0, ) self.digital_crc32_bb_0_0 = digital.crc32_bb(True, packet_length_tag_key, False) self.digital_crc32_bb_0 = digital.crc32_bb(False, length_tag_key, True) self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(header_mod.base()) self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc((header_mod.points()), 1) self.channels_channel_model_0_0 = channels.channel_model( noise_voltage=100e-12, frequency_offset=1, epsilon=1.0, taps=(1.0, ), noise_seed=0, block_tags=True ) self.blocks_uchar_to_float_0_0 = blocks.uchar_to_float() self.blocks_throttle_0_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True) self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux(gr.sizeof_gr_complex*1, length_tag_key, 0) self.blocks_tag_gate_0 = blocks.tag_gate(gr.sizeof_gr_complex * 1, False) self.blocks_tag_gate_0.set_single_key("") self.blocks_tag_debug_1 = blocks.tag_debug(gr.sizeof_char*1, 'Rx Bytes', ""); self.blocks_tag_debug_1.set_display(True) self.blocks_tag_debug_0 = blocks.tag_debug(gr.sizeof_gr_complex*1, '', ""); self.blocks_tag_debug_0.set_display(True) self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(gr.sizeof_char, 1, packet_len, length_tag_key) self.blocks_repack_bits_bb_0_0_0 = blocks.repack_bits_bb(payload_mod.bits_per_symbol(), 8, packet_length_tag_key, True, gr.GR_LSB_FIRST) self.blocks_repack_bits_bb_0_0 = blocks.repack_bits_bb(8, 1, length_tag_key, False, gr.GR_LSB_FIRST) self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb(8, payload_mod.bits_per_symbol(), length_tag_key, False, gr.GR_LSB_FIRST) self.blocks_multiply_xx_0 = blocks.multiply_vcc(1) self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((0.05, )) self.blocks_int_to_float_0 = blocks.int_to_float(1, 1) self.blocks_delay_0 = blocks.delay(gr.sizeof_gr_complex*1, fft_len+fft_len/4) self.analog_random_source_x_0 = blocks.vector_source_b(map(int, numpy.random.randint(0, 255, 1000)), True) self.analog_frequency_modulator_fc_0 = analog.frequency_modulator_fc(-2.0/fft_len) self.analog_const_source_x_0_0 = analog.sig_source_i(0, analog.GR_CONST_WAVE, 0, 0, 1) self.analog_const_source_x_0 = analog.sig_source_i(0, analog.GR_CONST_WAVE, 0, 0, 1) ################################################## # Connections ################################################## self.msg_connect((self.digital_packet_headerparser_b_0, 'header_data'), (self.digital_header_payload_demux_0, 'header_data')) self.connect((self.analog_const_source_x_0, 0), (self.meu_qpsk_modulator_adapt_cb_0, 1)) self.connect((self.analog_const_source_x_0_0, 0), (self.meu_qpsk_demod_adapt_cb_0, 1)) self.connect((self.analog_frequency_modulator_fc_0, 0), (self.blocks_multiply_xx_0, 0)) self.connect((self.analog_random_source_x_0, 0), (self.blocks_stream_to_tagged_stream_0, 0)) self.connect((self.blocks_delay_0, 0), (self.blocks_multiply_xx_0, 1)) self.connect((self.blocks_int_to_float_0, 0), (self.qtgui_time_sink_x_1, 0)) self.connect((self.blocks_multiply_const_vxx_0, 0), (self.blocks_tag_gate_0, 0)) self.connect((self.blocks_multiply_xx_0, 0), (self.digital_header_payload_demux_0, 0)) self.connect((self.blocks_repack_bits_bb_0, 0), (self.meu_qpsk_modulator_adapt_cb_0, 0)) self.connect((self.blocks_repack_bits_bb_0_0, 0), (self.digital_chunks_to_symbols_xx_0, 0)) self.connect((self.blocks_repack_bits_bb_0_0_0, 0), (self.blocks_uchar_to_float_0_0, 0)) self.connect((self.blocks_repack_bits_bb_0_0_0, 0), (self.digital_crc32_bb_0_0, 0)) self.connect((self.blocks_stream_to_tagged_stream_0, 0), (self.digital_crc32_bb_0, 0)) self.connect((self.blocks_tag_gate_0, 0), (self.channels_channel_model_0_0, 0)) self.connect((self.blocks_tag_gate_0, 0), (self.qtgui_time_sink_x_0, 0)) self.connect((self.blocks_tagged_stream_mux_0, 0), (self.digital_ofdm_carrier_allocator_cvc_0, 0)) self.connect((self.blocks_throttle_0_0, 0), (self.blocks_delay_0, 0)) self.connect((self.blocks_throttle_0_0, 0), (self.digital_ofdm_sync_sc_cfb_0, 0)) self.connect((self.blocks_uchar_to_float_0_0, 0), (self.qtgui_time_sink_x_0_0_0, 0)) self.connect((self.channels_channel_model_0_0, 0), (self.blocks_throttle_0_0, 0)) self.connect((self.digital_chunks_to_symbols_xx_0, 0), (self.blocks_tagged_stream_mux_0, 0)) self.connect((self.digital_constellation_decoder_cb_0, 0), (self.digital_packet_headerparser_b_0, 0)) self.connect((self.digital_crc32_bb_0, 0), (self.blocks_repack_bits_bb_0, 0)) self.connect((self.digital_crc32_bb_0, 0), (self.digital_protocol_formatter_bb_0, 0)) self.connect((self.digital_crc32_bb_0_0, 0), (self.blocks_tag_debug_1, 0)) self.connect((self.digital_header_payload_demux_0, 0), (self.fft_vxx_0_0, 0)) self.connect((self.digital_header_payload_demux_0, 1), (self.fft_vxx_1, 0)) self.connect((self.digital_ofdm_carrier_allocator_cvc_0, 0), (self.fft_vxx_0, 0)) self.connect((self.digital_ofdm_chanest_vcvc_0, 0), (self.digital_ofdm_frame_equalizer_vcvc_0, 0)) self.connect((self.digital_ofdm_chanest_vcvc_0, 0), (self.meu_phase_finder_vci_0, 0)) self.connect((self.digital_ofdm_cyclic_prefixer_0, 0), (self.blocks_multiply_const_vxx_0, 0)) self.connect((self.digital_ofdm_frame_equalizer_vcvc_0, 0), (self.digital_ofdm_serializer_vcc_header, 0)) self.connect((self.digital_ofdm_frame_equalizer_vcvc_1, 0), (self.digital_ofdm_serializer_vcc_payload, 0)) self.connect((self.digital_ofdm_serializer_vcc_header, 0), (self.blocks_tag_debug_0, 0)) self.connect((self.digital_ofdm_serializer_vcc_header, 0), (self.digital_constellation_decoder_cb_0, 0)) self.connect((self.digital_ofdm_serializer_vcc_payload, 0), (self.meu_qpsk_demod_adapt_cb_0, 0)) self.connect((self.digital_ofdm_sync_sc_cfb_0, 0), (self.analog_frequency_modulator_fc_0, 0)) self.connect((self.digital_ofdm_sync_sc_cfb_0, 1), (self.digital_header_payload_demux_0, 1)) self.connect((self.digital_protocol_formatter_bb_0, 0), (self.blocks_repack_bits_bb_0_0, 0)) self.connect((self.fft_vxx_0, 0), (self.digital_ofdm_cyclic_prefixer_0, 0)) self.connect((self.fft_vxx_0_0, 0), (self.digital_ofdm_chanest_vcvc_0, 0)) self.connect((self.fft_vxx_1, 0), (self.digital_ofdm_frame_equalizer_vcvc_1, 0)) self.connect((self.meu_phase_finder_vci_0, 0), (self.blocks_int_to_float_0, 0)) self.connect((self.meu_qpsk_demod_adapt_cb_0, 0), (self.blocks_repack_bits_bb_0_0_0, 0)) self.connect((self.meu_qpsk_modulator_adapt_cb_0, 0), (self.blocks_tagged_stream_mux_0, 1))
def __init__(self, puncpat='11'): gr.top_block.__init__(self, "Eve Dec") ################################################## # Parameters ################################################## self.puncpat = puncpat ################################################## # Variables ################################################## self.H_dec = H_dec = fec.ldpc_H_matrix( '/usr/local/share/gnuradio/fec/ldpc/n_1800_k_0902_gap_28.alist', 28) self.samp_rate = samp_rate = 10000000 self.pld_dec = pld_dec = map((lambda a: fec.ldpc_bit_flip_decoder.make( H_dec.get_base_sptr(), 20)), range(0, 16)) ################################################## # Blocks ################################################## self.fec_extended_decoder_0_0_1_0_1_0_0 = fec.extended_decoder( decoder_obj_list=pld_dec, threading='capillary', ann=None, puncpat=puncpat, integration_period=10000) self.digital_map_bb_0_0_0_0_0_0 = digital.map_bb(([-1, 1])) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char * 1, samp_rate, True) self.blocks_repack_bits_bb_0_0_0_1_0_0 = blocks.repack_bits_bb( 8, 1, '', False, gr.GR_MSB_FIRST) self.blocks_repack_bits_bb_0_0_0_1_0 = blocks.repack_bits_bb( 1, 8, '', False, gr.GR_MSB_FIRST) self.blocks_keep_m_in_n_0_1_1_0 = blocks.keep_m_in_n( gr.sizeof_char, 896, 902, 0) self.blocks_file_source_0 = blocks.file_source( gr.sizeof_char * 1, '/home/andre/ELI/1/EVE_55_8000_BRUTO.txt', False) self.blocks_file_source_0.set_begin_tag(pmt.PMT_NIL) self.blocks_file_sink_0_0_0_0_2 = blocks.file_sink( gr.sizeof_char * 1, '/home/andre/ELI/1/EVE_55_8000.txt', False) self.blocks_file_sink_0_0_0_0_2.set_unbuffered(True) self.blocks_char_to_float_0_2_0_0_0 = blocks.char_to_float(1, 1) ################################################## # Connections ################################################## self.connect((self.blocks_char_to_float_0_2_0_0_0, 0), (self.fec_extended_decoder_0_0_1_0_1_0_0, 0)) self.connect((self.blocks_file_source_0, 0), (self.blocks_repack_bits_bb_0_0_0_1_0_0, 0)) self.connect((self.blocks_keep_m_in_n_0_1_1_0, 0), (self.blocks_repack_bits_bb_0_0_0_1_0, 0)) self.connect((self.blocks_repack_bits_bb_0_0_0_1_0, 0), (self.blocks_file_sink_0_0_0_0_2, 0)) self.connect((self.blocks_repack_bits_bb_0_0_0_1_0_0, 0), (self.blocks_throttle_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.digital_map_bb_0_0_0_0_0_0, 0)) self.connect((self.digital_map_bb_0_0_0_0_0_0, 0), (self.blocks_char_to_float_0_2_0_0_0, 0)) self.connect((self.fec_extended_decoder_0_0_1_0_1_0_0, 0), (self.blocks_keep_m_in_n_0_1_1_0, 0))
def __init__(self, len_tag_key, enable_crc): gr.hier_block2.__init__(self, "frame_encoder", gr.io_signature(1, 1, gr.sizeof_char), # Input signature gr.io_signature(1, 1, gr.sizeof_char)) # Output signature self.len_tag_key = len_tag_key # For header creation self.digital_packet_headergenerator_bb_default_0 \ = digital.packet_headergenerator_bb(32, self.len_tag_key) # Place CRC 32bit after payload if enable_crc: self.digital_crc32_bb_0 = digital.crc32_bb(False, self.len_tag_key, True) # Tagged stream blocks # Combine access code, header and payload self.blocks_tagged_stream_mux_0 \ = blocks.tagged_stream_mux(gr.sizeof_char*1, self.len_tag_key, 0) # Multiply Size in payload stream #self.blocks_tagged_stream_multiply_length_0 \ # = blocks.tagged_stream_multiply_length(gr.sizeof_char*1, # self.len_tag_key, 8) self.blocks_stream_to_tagged_stream_1 \ = blocks.stream_to_tagged_stream(gr.sizeof_char, 1, 64, self.len_tag_key) # Repacker self.blocks_repack_bits_bb_garbage \ = blocks.repack_bits_bb(8, 1, "", False, gr.GR_MSB_FIRST) self.blocks_repack_bits_bb_access \ = blocks.repack_bits_bb(8, 1, "", False, gr.GR_MSB_FIRST) self.blocks_repack_bits_bb_payload \ = blocks.repack_bits_bb(8, 1, len_tag_key, False, gr.GR_MSB_FIRST) self.blocks_repack_bits_bb_complete \ = blocks.repack_bits_bb(1, 8, "", False, gr.GR_MSB_FIRST) self.access_code_vector \ = blocks.vector_source_b((172, 221, 164, 226,242, 140, 32, 252), True, 1, []) # Debug # Print complete Payload with packet #self.blocks_message_debug_0 = blocks.message_debug() #self.blocks_tagged_stream_to_pdu_0 \ # = blocks.tagged_stream_to_pdu(blocks.byte_t, len_tag_key) # Garbage bytes self.garbage_vector \ = blocks.vector_source_b((159, 200), True, 1, []) self.stream_to_tagged_garbage \ = blocks.stream_to_tagged_stream(gr.sizeof_char, 1, 16, self.len_tag_key) ################################################## # Connections ################################################## # Garbage up front self.connect((self.garbage_vector, 0), (self.blocks_repack_bits_bb_garbage, 0)) self.connect((self.blocks_repack_bits_bb_garbage, 0), (self.stream_to_tagged_garbage, 0)) self.connect((self.stream_to_tagged_garbage, 0), (self.blocks_tagged_stream_mux_0, 0)) # And at the back self.connect((self.stream_to_tagged_garbage, 0), (self.blocks_tagged_stream_mux_0, 4)) # Access code path self.connect((self.access_code_vector, 0), (self.blocks_repack_bits_bb_access, 0)) self.connect((self.blocks_repack_bits_bb_access, 0), (self.blocks_stream_to_tagged_stream_1, 0)) self.connect((self.blocks_stream_to_tagged_stream_1, 0), (self.blocks_tagged_stream_mux_0, 1)) # Payload path if enable_crc: self.connect((self.digital_crc32_bb_0, 0), (self.blocks_repack_bits_bb_payload, 0)) self.connect((self.blocks_repack_bits_bb_payload, 0), (self.blocks_tagged_stream_mux_0, 3)) if enable_crc: self.connect((self.digital_crc32_bb_0, 0), (self.digital_packet_headergenerator_bb_default_0, 0)) # Debug # Print complete packet with payload #if enable_crc: # self.connect((self.digital_crc32_bb_0, 0), (self.blocks_tagged_stream_to_pdu_0, 0)) #else: # self.connect((self, 0), (self.blocks_tagged_stream_to_pdu_0, 0)) #self.msg_connect((self.blocks_tagged_stream_to_pdu_0, 'pdus'), # (self.blocks_message_debug_0, 'print_pdu')) # Header path self.connect((self.digital_packet_headergenerator_bb_default_0, 0), (self.blocks_tagged_stream_mux_0, 2)) # Output self.connect((self.blocks_tagged_stream_mux_0, 0), (self.blocks_repack_bits_bb_complete, 0)) # Connect Input and out if enable_crc: self.connect((self,0), (self.digital_crc32_bb_0, 0)) else: self.connect((self,0), (self.digital_packet_headergenerator_bb_default_0, 0)) self.connect((self,0), (self.blocks_repack_bits_bb_payload, 0)) self.connect((self.blocks_repack_bits_bb_complete, 0), (self,0))
def __init__(self, puncpat='11'): gr.top_block.__init__(self, "Alice") Qt.QWidget.__init__(self) self.setWindowTitle("Alice") qtgui.util.check_set_qss() try: self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc')) except: pass self.top_scroll_layout = Qt.QVBoxLayout() self.setLayout(self.top_scroll_layout) self.top_scroll = Qt.QScrollArea() self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame) self.top_scroll_layout.addWidget(self.top_scroll) self.top_scroll.setWidgetResizable(True) self.top_widget = Qt.QWidget() self.top_scroll.setWidget(self.top_widget) self.top_layout = Qt.QVBoxLayout(self.top_widget) self.top_grid_layout = Qt.QGridLayout() self.top_layout.addLayout(self.top_grid_layout) self.settings = Qt.QSettings("GNU Radio", "alice") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Parameters ################################################## self.puncpat = puncpat ################################################## # Variables ################################################## self.sps = sps = 4 self.samp_rate_array_MCR = samp_rate_array_MCR = [7500000,5000000,3750000,3000000,2500000,2000000,1500000,1000000,937500,882352,833333,714285,533333,500000,421052,400000,380952,200000,100000,50000] self.nfilts = nfilts = 32 self.eb = eb = 0.22 self.H = H = fec.ldpc_H_matrix('/usr/local/share/gnuradio/fec/ldpc/n_1100_k_0442_gap_24.alist', 24) self.vector = vector = [int(random.random()*4) for i in range(396800)] self.variable_qtgui_range_0_0 = variable_qtgui_range_0_0 = 55 self.tx_rrc_taps = tx_rrc_taps = firdes.root_raised_cosine(nfilts, nfilts, 1.0, eb, 11*sps*nfilts) self.samp_rate = samp_rate = samp_rate_array_MCR[15] self.pld_enc = pld_enc = map((lambda a: fec.ldpc_par_mtrx_encoder_make_H(H)), range(0,4)) self.pld_const = pld_const = digital.constellation_rect(([0.707+0.707j, -0.707+0.707j, -0.707-0.707j, 0.707-0.707j]), ([0, 1, 2, 3]), 4, 2, 2, 1, 1).base() self.pld_const.gen_soft_dec_lut(8) self.frequencia_usrp = frequencia_usrp = 24e8 self.MCR = MCR = "master_clock_rate=60e6" ################################################## # Blocks ################################################## self._variable_qtgui_range_0_0_range = Range(0, 90, 1, 55, 200) self._variable_qtgui_range_0_0_win = RangeWidget(self._variable_qtgui_range_0_0_range, self.set_variable_qtgui_range_0_0, 'Gain_TX', "counter_slider", float) self.top_grid_layout.addWidget(self._variable_qtgui_range_0_0_win, 0, 2, 1, 1) for r in range(0, 1): self.top_grid_layout.setRowStretch(r, 1) for c in range(2, 3): self.top_grid_layout.setColumnStretch(c, 1) self.uhd_usrp_sink_0_0 = uhd.usrp_sink( ",".join(("serial=F5EAE1", MCR)), uhd.stream_args( cpu_format="fc32", channels=range(1), ), ) self.uhd_usrp_sink_0_0.set_samp_rate(samp_rate) self.uhd_usrp_sink_0_0.set_time_now(uhd.time_spec(time.time()), uhd.ALL_MBOARDS) self.uhd_usrp_sink_0_0.set_center_freq(frequencia_usrp, 0) self.uhd_usrp_sink_0_0.set_gain(variable_qtgui_range_0_0, 0) self.uhd_usrp_sink_0_0.set_antenna('TX/RX', 0) self.qtgui_time_sink_x_1 = qtgui.time_sink_c( 1024, #size samp_rate, #samp_rate "TX USRP", #name 1 #number of inputs ) self.qtgui_time_sink_x_1.set_update_time(0.10) self.qtgui_time_sink_x_1.set_y_axis(-1, 1) self.qtgui_time_sink_x_1.set_y_label('Amplitude', "") self.qtgui_time_sink_x_1.enable_tags(-1, True) self.qtgui_time_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_1.enable_autoscale(False) self.qtgui_time_sink_x_1.enable_grid(False) self.qtgui_time_sink_x_1.enable_axis_labels(True) self.qtgui_time_sink_x_1.enable_control_panel(False) self.qtgui_time_sink_x_1.enable_stem_plot(False) if not True: self.qtgui_time_sink_x_1.disable_legend() labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "blue"] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(2): if len(labels[i]) == 0: if(i % 2 == 0): self.qtgui_time_sink_x_1.set_line_label(i, "Re{{Data {0}}}".format(i/2)) else: self.qtgui_time_sink_x_1.set_line_label(i, "Im{{Data {0}}}".format(i/2)) else: self.qtgui_time_sink_x_1.set_line_label(i, labels[i]) self.qtgui_time_sink_x_1.set_line_width(i, widths[i]) self.qtgui_time_sink_x_1.set_line_color(i, colors[i]) self.qtgui_time_sink_x_1.set_line_style(i, styles[i]) self.qtgui_time_sink_x_1.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_1.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_1_win = sip.wrapinstance(self.qtgui_time_sink_x_1.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_1_win, 1, 3, 1, 1) for r in range(1, 2): self.top_grid_layout.setRowStretch(r, 1) for c in range(3, 4): self.top_grid_layout.setColumnStretch(c, 1) self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw "", #name 1 #number of inputs ) self.qtgui_freq_sink_x_0.set_update_time(0.10) self.qtgui_freq_sink_x_0.set_y_axis(-140, 10) self.qtgui_freq_sink_x_0.set_y_label('Relative Gain', 'dB') self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "") self.qtgui_freq_sink_x_0.enable_autoscale(False) self.qtgui_freq_sink_x_0.enable_grid(False) self.qtgui_freq_sink_x_0.set_fft_average(1.0) self.qtgui_freq_sink_x_0.enable_axis_labels(True) self.qtgui_freq_sink_x_0.enable_control_panel(False) if not True: self.qtgui_freq_sink_x_0.disable_legend() if "complex" == "float" or "complex" == "msg_float": self.qtgui_freq_sink_x_0.set_plot_pos_half(not True) labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "dark blue"] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.qtgui_freq_sink_x_0.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_freq_sink_x_0.set_line_label(i, labels[i]) self.qtgui_freq_sink_x_0.set_line_width(i, widths[i]) self.qtgui_freq_sink_x_0.set_line_color(i, colors[i]) self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_freq_sink_x_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win, 0, 3, 1, 1) for r in range(0, 1): self.top_grid_layout.setRowStretch(r, 1) for c in range(3, 4): self.top_grid_layout.setColumnStretch(c, 1) self.qtgui_const_sink_x_0_0_0_0 = qtgui.const_sink_c( 1024, #size "TX Const", #name 1 #number of inputs ) self.qtgui_const_sink_x_0_0_0_0.set_update_time(0.10) self.qtgui_const_sink_x_0_0_0_0.set_y_axis(-2, 2) self.qtgui_const_sink_x_0_0_0_0.set_x_axis(-2, 2) self.qtgui_const_sink_x_0_0_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.qtgui_const_sink_x_0_0_0_0.enable_autoscale(False) self.qtgui_const_sink_x_0_0_0_0.enable_grid(False) self.qtgui_const_sink_x_0_0_0_0.enable_axis_labels(True) if not True: self.qtgui_const_sink_x_0_0_0_0.disable_legend() labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "red", "red", "red", "red", "red", "red", "red", "red"] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.qtgui_const_sink_x_0_0_0_0.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_const_sink_x_0_0_0_0.set_line_label(i, labels[i]) self.qtgui_const_sink_x_0_0_0_0.set_line_width(i, widths[i]) self.qtgui_const_sink_x_0_0_0_0.set_line_color(i, colors[i]) self.qtgui_const_sink_x_0_0_0_0.set_line_style(i, styles[i]) self.qtgui_const_sink_x_0_0_0_0.set_line_marker(i, markers[i]) self.qtgui_const_sink_x_0_0_0_0.set_line_alpha(i, alphas[i]) self._qtgui_const_sink_x_0_0_0_0_win = sip.wrapinstance(self.qtgui_const_sink_x_0_0_0_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_0_0_0_win, 1, 2, 1, 1) for r in range(1, 2): self.top_grid_layout.setRowStretch(r, 1) for c in range(2, 3): self.top_grid_layout.setColumnStretch(c, 1) self.pfb_arb_resampler_xxx_0 = pfb.arb_resampler_ccf( sps, taps=(tx_rrc_taps), flt_size=nfilts) self.pfb_arb_resampler_xxx_0.declare_sample_delay(0) self.insert_vec_cpp_new_vec_0 = insert_vec_cpp.new_vec((vector)) self.fec_extended_encoder_0 = fec.extended_encoder(encoder_obj_list=pld_enc, threading='capillary', puncpat=puncpat) self.digital_diff_encoder_bb_0 = digital.diff_encoder_bb(pld_const.arity()) self.digital_chunks_to_symbols_xx_0_0 = digital.chunks_to_symbols_bc((pld_const.points()), 1) self.blocks_vector_source_x_0_0_0 = blocks.vector_source_b([0], True, 1, []) self.blocks_vector_source_x_0_0 = blocks.vector_source_b([0], True, 1, []) self.blocks_vector_source_x_0 = blocks.vector_source_b([0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], True, 1, []) self.blocks_stream_mux_0_1_0_0 = blocks.stream_mux(gr.sizeof_char*1, (155, 1104)) self.blocks_stream_mux_0_0_0 = blocks.stream_mux(gr.sizeof_char*1, (1100, 4)) self.blocks_stream_mux_0_0 = blocks.stream_mux(gr.sizeof_char*1, (440, 2)) self.blocks_repack_bits_bb_1_0_0_1 = blocks.repack_bits_bb(8, 1, '', False, gr.GR_MSB_FIRST) self.blocks_repack_bits_bb_1_0_0_0 = blocks.repack_bits_bb(1, pld_const.bits_per_symbol(), '', False, gr.GR_MSB_FIRST) self.blocks_multiply_const_vxx_1 = blocks.multiply_const_vcc((0.7, )) self.blocks_file_source_0_0_1_0_0_0_1 = blocks.file_source(gr.sizeof_char*1, '/home/andre/Dropbox/Metricas_Plano/1_2/sequence55_8000.txt', False) self.blocks_file_source_0_0_1_0_0_0_1.set_begin_tag(pmt.PMT_NIL) ################################################## # Connections ################################################## self.connect((self.blocks_file_source_0_0_1_0_0_0_1, 0), (self.blocks_repack_bits_bb_1_0_0_1, 0)) self.connect((self.blocks_multiply_const_vxx_1, 0), (self.qtgui_const_sink_x_0_0_0_0, 0)) self.connect((self.blocks_multiply_const_vxx_1, 0), (self.qtgui_freq_sink_x_0, 0)) self.connect((self.blocks_multiply_const_vxx_1, 0), (self.qtgui_time_sink_x_1, 0)) self.connect((self.blocks_multiply_const_vxx_1, 0), (self.uhd_usrp_sink_0_0, 0)) self.connect((self.blocks_repack_bits_bb_1_0_0_0, 0), (self.insert_vec_cpp_new_vec_0, 0)) self.connect((self.blocks_repack_bits_bb_1_0_0_1, 0), (self.blocks_stream_mux_0_0, 0)) self.connect((self.blocks_stream_mux_0_0, 0), (self.fec_extended_encoder_0, 0)) self.connect((self.blocks_stream_mux_0_0_0, 0), (self.blocks_stream_mux_0_1_0_0, 1)) self.connect((self.blocks_stream_mux_0_1_0_0, 0), (self.blocks_repack_bits_bb_1_0_0_0, 0)) self.connect((self.blocks_vector_source_x_0, 0), (self.blocks_stream_mux_0_1_0_0, 0)) self.connect((self.blocks_vector_source_x_0_0, 0), (self.blocks_stream_mux_0_0, 1)) self.connect((self.blocks_vector_source_x_0_0_0, 0), (self.blocks_stream_mux_0_0_0, 1)) self.connect((self.digital_chunks_to_symbols_xx_0_0, 0), (self.pfb_arb_resampler_xxx_0, 0)) self.connect((self.digital_diff_encoder_bb_0, 0), (self.digital_chunks_to_symbols_xx_0_0, 0)) self.connect((self.fec_extended_encoder_0, 0), (self.blocks_stream_mux_0_0_0, 0)) self.connect((self.insert_vec_cpp_new_vec_0, 0), (self.digital_diff_encoder_bb_0, 0)) self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.blocks_multiply_const_vxx_1, 0))
def __init__(self): gr.top_block.__init__(self, "Top Block") Qt.QWidget.__init__(self) self.setWindowTitle("Top Block") try: self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc')) except: pass self.top_scroll_layout = Qt.QVBoxLayout() self.setLayout(self.top_scroll_layout) self.top_scroll = Qt.QScrollArea() self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame) self.top_scroll_layout.addWidget(self.top_scroll) self.top_scroll.setWidgetResizable(True) self.top_widget = Qt.QWidget() self.top_scroll.setWidget(self.top_widget) self.top_layout = Qt.QVBoxLayout(self.top_widget) self.top_grid_layout = Qt.QGridLayout() self.top_layout.addLayout(self.top_grid_layout) self.settings = Qt.QSettings("GNU Radio", "top_block") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Variables ################################################## self.samp_rate = samp_rate = 16000 self.repeat = repeat = samp_rate/80 ################################################## # Blocks ################################################## self.qtgui_time_sink_x_0_0 = qtgui.time_sink_f( 1024, #size samp_rate, #samp_rate "", #name 1 #number of inputs ) self.qtgui_time_sink_x_0_0.set_update_time(0.10) self.qtgui_time_sink_x_0_0.set_y_axis(-1, 1) self.qtgui_time_sink_x_0_0.set_y_label("Amplitude", "") self.qtgui_time_sink_x_0_0.enable_tags(-1, True) self.qtgui_time_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_0_0.enable_autoscale(True) self.qtgui_time_sink_x_0_0.enable_grid(False) labels = ["", "", "", "", "", "", "", "", "", ""] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "blue"] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.qtgui_time_sink_x_0_0.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_time_sink_x_0_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_0_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_0_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_0_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_0_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_0_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_0_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0_0.pyqwidget(), Qt.QWidget) self.top_layout.addWidget(self._qtgui_time_sink_x_0_0_win) self.blocks_unpacked_to_packed_xx_1 = blocks.unpacked_to_packed_bb(8, gr.GR_MSB_FIRST) self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(8) self.blocks_uchar_to_float_0_0_0 = blocks.uchar_to_float() self.blocks_uchar_to_float_0 = blocks.uchar_to_float() self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char*1, samp_rate,True) self.blocks_short_to_float_0 = blocks.short_to_float(1, 1) self.blocks_short_to_char_0 = blocks.short_to_char(1) self.blocks_rms_xx_0_0 = blocks.rms_ff(1) self.blocks_rms_xx_0 = blocks.rms_ff(1) self.blocks_repeat_0 = blocks.repeat(gr.sizeof_char*1, repeat) self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb(1, 8, "", False, gr.GR_MSB_FIRST) self.blocks_null_sink_1 = blocks.null_sink(gr.sizeof_short*1) self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_float*1) self.blocks_multiply_xx_0_2 = blocks.multiply_vff(1) self.blocks_multiply_xx_0_1 = blocks.multiply_vff(1) self.blocks_multiply_xx_0_0 = blocks.multiply_vff(1) self.blocks_multiply_xx_0 = blocks.multiply_vff(1) self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vss((256, )) self.blocks_integrate_xx_1 = blocks.integrate_ff(repeat) self.blocks_integrate_xx_0_1 = blocks.integrate_ff(repeat) self.blocks_integrate_xx_0_0 = blocks.integrate_ff(repeat) self.blocks_integrate_xx_0 = blocks.integrate_ff(repeat) self.blocks_float_to_uchar_0 = blocks.float_to_uchar() self.blocks_file_source_0 = blocks.file_source(gr.sizeof_short*1, "/home/sidekiq/Documents/Documentation_SDR/sdr.in", True) self.blocks_file_sink_0_0 = blocks.file_sink(gr.sizeof_char*1, "/home/sidekiq/Documents/Documentation_SDR/text_output", False) self.blocks_file_sink_0_0.set_unbuffered(True) self.blocks_complex_to_float_0 = blocks.complex_to_float(1) self.blocks_argmax_xx_0 = blocks.argmax_fs(1) self.blocks_add_xx_0_0 = blocks.add_vff(1) self.blocks_add_xx_0 = blocks.add_vff(1) self.blocks_add_const_vxx_0 = blocks.add_const_vff((1, )) self.blocks_abs_xx_0_2 = blocks.abs_ff(1) self.blocks_abs_xx_0_1 = blocks.abs_ff(1) self.blocks_abs_xx_0_0 = blocks.abs_ff(1) self.blocks_abs_xx_0 = blocks.abs_ff(1) self.blks2_packet_encoder_0 = grc_blks2.packet_mod_b(grc_blks2.packet_encoder( samples_per_symbol=1, bits_per_symbol=1, preamble="11111000", access_code="11111111", pad_for_usrp=False, ), payload_length=1, ) self.blks2_packet_decoder_0 = grc_blks2.packet_demod_b(grc_blks2.packet_decoder( access_code="", threshold=-1, callback=lambda ok, payload: self.blks2_packet_decoder_0.recv_pkt(ok, payload), ), ) self.audio_sink_1 = audio.sink(16000, "", True) self.analog_sig_source_x_1 = analog.sig_source_f(samp_rate, analog.GR_COS_WAVE, 1330, 1, 0) self.analog_sig_source_x_0_1 = analog.sig_source_f(samp_rate, analog.GR_SIN_WAVE, 1330, 1, 0) self.analog_sig_source_x_0_0 = analog.sig_source_f(samp_rate, analog.GR_SIN_WAVE, 2720, 1, 0) self.analog_sig_source_x_0 = analog.sig_source_f(samp_rate, analog.GR_COS_WAVE, 2720, 1, 0) self.analog_frequency_modulator_fc_0 = analog.frequency_modulator_fc(100) ################################################## # Connections ################################################## self.connect((self.analog_frequency_modulator_fc_0, 0), (self.blocks_complex_to_float_0, 0)) self.connect((self.analog_sig_source_x_0, 0), (self.blocks_multiply_xx_0_0, 0)) self.connect((self.analog_sig_source_x_0_0, 0), (self.blocks_multiply_xx_0_2, 0)) self.connect((self.analog_sig_source_x_0_1, 0), (self.blocks_multiply_xx_0_1, 0)) self.connect((self.analog_sig_source_x_1, 0), (self.blocks_multiply_xx_0, 0)) self.connect((self.blks2_packet_decoder_0, 0), (self.blocks_unpacked_to_packed_xx_1, 0)) self.connect((self.blks2_packet_encoder_0, 0), (self.blocks_unpack_k_bits_bb_0, 0)) self.connect((self.blocks_abs_xx_0, 0), (self.blocks_add_xx_0, 0)) self.connect((self.blocks_abs_xx_0_0, 0), (self.blocks_add_xx_0_0, 0)) self.connect((self.blocks_abs_xx_0_1, 0), (self.blocks_add_xx_0, 1)) self.connect((self.blocks_abs_xx_0_2, 0), (self.blocks_add_xx_0_0, 1)) self.connect((self.blocks_add_const_vxx_0, 0), (self.analog_frequency_modulator_fc_0, 0)) self.connect((self.blocks_add_xx_0, 0), (self.blocks_rms_xx_0, 0)) self.connect((self.blocks_add_xx_0_0, 0), (self.blocks_rms_xx_0_0, 0)) self.connect((self.blocks_argmax_xx_0, 0), (self.blocks_null_sink_1, 0)) self.connect((self.blocks_argmax_xx_0, 1), (self.blocks_short_to_float_0, 0)) self.connect((self.blocks_complex_to_float_0, 1), (self.audio_sink_1, 0)) self.connect((self.blocks_complex_to_float_0, 1), (self.blocks_multiply_xx_0, 1)) self.connect((self.blocks_complex_to_float_0, 1), (self.blocks_multiply_xx_0_0, 1)) self.connect((self.blocks_complex_to_float_0, 1), (self.blocks_multiply_xx_0_1, 1)) self.connect((self.blocks_complex_to_float_0, 1), (self.blocks_multiply_xx_0_2, 1)) self.connect((self.blocks_complex_to_float_0, 0), (self.blocks_null_sink_0, 0)) self.connect((self.blocks_file_source_0, 0), (self.blocks_multiply_const_vxx_0, 0)) self.connect((self.blocks_float_to_uchar_0, 0), (self.blks2_packet_decoder_0, 0)) self.connect((self.blocks_integrate_xx_0, 0), (self.blocks_abs_xx_0_2, 0)) self.connect((self.blocks_integrate_xx_0_0, 0), (self.blocks_abs_xx_0, 0)) self.connect((self.blocks_integrate_xx_0_1, 0), (self.blocks_abs_xx_0_0, 0)) self.connect((self.blocks_integrate_xx_1, 0), (self.blocks_abs_xx_0_1, 0)) self.connect((self.blocks_multiply_const_vxx_0, 0), (self.blocks_short_to_char_0, 0)) self.connect((self.blocks_multiply_xx_0, 0), (self.blocks_integrate_xx_0, 0)) self.connect((self.blocks_multiply_xx_0_0, 0), (self.blocks_integrate_xx_1, 0)) self.connect((self.blocks_multiply_xx_0_1, 0), (self.blocks_integrate_xx_0_1, 0)) self.connect((self.blocks_multiply_xx_0_2, 0), (self.blocks_integrate_xx_0_0, 0)) self.connect((self.blocks_repack_bits_bb_0, 0), (self.blks2_packet_encoder_0, 0)) self.connect((self.blocks_repack_bits_bb_0, 0), (self.blocks_uchar_to_float_0_0_0, 0)) self.connect((self.blocks_repeat_0, 0), (self.blocks_throttle_0, 0)) self.connect((self.blocks_rms_xx_0, 0), (self.blocks_argmax_xx_0, 1)) self.connect((self.blocks_rms_xx_0_0, 0), (self.blocks_argmax_xx_0, 0)) self.connect((self.blocks_short_to_char_0, 0), (self.blocks_repack_bits_bb_0, 0)) self.connect((self.blocks_short_to_float_0, 0), (self.blocks_float_to_uchar_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.blocks_uchar_to_float_0, 0)) self.connect((self.blocks_uchar_to_float_0, 0), (self.blocks_add_const_vxx_0, 0)) self.connect((self.blocks_uchar_to_float_0_0_0, 0), (self.qtgui_time_sink_x_0_0, 0)) self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_repeat_0, 0)) self.connect((self.blocks_unpacked_to_packed_xx_1, 0), (self.blocks_file_sink_0_0, 0))
def __init__(self): gr.top_block.__init__(self, "Top Block") Qt.QWidget.__init__(self) self.setWindowTitle("Top Block") qtgui.util.check_set_qss() try: self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc')) except: pass self.top_scroll_layout = Qt.QVBoxLayout() self.setLayout(self.top_scroll_layout) self.top_scroll = Qt.QScrollArea() self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame) self.top_scroll_layout.addWidget(self.top_scroll) self.top_scroll.setWidgetResizable(True) self.top_widget = Qt.QWidget() self.top_scroll.setWidget(self.top_widget) self.top_layout = Qt.QVBoxLayout(self.top_widget) self.top_grid_layout = Qt.QGridLayout() self.top_layout.addLayout(self.top_grid_layout) self.settings = Qt.QSettings("GNU Radio", "top_block") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Variables ################################################## self.occupied_carriers = occupied_carriers = ( range(-26, -21) + range(-20, -7) + range(-6, 0) + range(1, 7) + range(8, 21) + range(22, 27), ) self.length_tag_key = length_tag_key = "packet_len" self.sync_word2 = sync_word2 = [ 0, 0, 0, 0, 0, 0, -1, -1, -1, -1, 1, 1, -1, -1, -1, 1, -1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, 1, -1, -1, 1, -1, 0, 1, -1, 1, 1, 1, -1, 1, 1, 1, -1, 1, 1, 1, 1, -1, 1, -1, -1, -1, 1, -1, 1, -1, -1, -1, -1, 0, 0, 0, 0, 0 ] self.sync_word1 = sync_word1 = [ 0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 0., 0., 0., 0., 0. ] self.samp_rate = samp_rate = 100000 self.rolloff = rolloff = 0 self.pilot_symbols = pilot_symbols = (( 1, 1, 1, -1, ), ) self.pilot_carriers = pilot_carriers = (( -21, -7, 7, 21, ), ) self.payload_mod = payload_mod = digital.constellation_qpsk() self.packet_len = packet_len = 478 self.mysamp_rate = mysamp_rate = 50000000 self.min_singnal_var0 = min_singnal_var0 = 0 self.header_mod = header_mod = digital.constellation_bpsk() self.hdr_format = hdr_format = digital.header_format_ofdm( occupied_carriers, 1, length_tag_key, ) self.gain = gain = 0 self.fft_len = fft_len = 64 self.N_fft = N_fft = 1024 ################################################## # Blocks ################################################## self.min_signal0 = blocks.probe_signal_f() def _min_singnal_var0_probe(): while True: val = self.min_signal0.level() try: self.set_min_singnal_var0(val) except AttributeError: pass time.sleep(1.0 / (10)) _min_singnal_var0_thread = threading.Thread( target=_min_singnal_var0_probe) _min_singnal_var0_thread.daemon = True _min_singnal_var0_thread.start() self._gain_range = Range(0, 74, 1, 0, 200) self._gain_win = RangeWidget(self._gain_range, self.set_gain, 'gain', "counter_slider", float) self.top_grid_layout.addWidget(self._gain_win) self.uhd_usrp_source_0 = uhd.usrp_source( ",".join(("serial=31DDABF", "")), uhd.stream_args( cpu_format="fc32", channels=range(1), ), ) self.uhd_usrp_source_0.set_samp_rate(10e6) self.uhd_usrp_source_0.set_center_freq(2.402e9, 0) self.uhd_usrp_source_0.set_gain(gain, 0) self.uhd_usrp_source_0.set_antenna('TX/RX', 0) self.uhd_usrp_source_0.set_auto_dc_offset(True, 0) self.uhd_usrp_source_0.set_auto_iq_balance(True, 0) self.uhd_usrp_sink_0 = uhd.usrp_sink( ",".join(('serial= 31DDAA6', "")), uhd.stream_args( cpu_format="fc32", channels=range(1), ), ) self.uhd_usrp_sink_0.set_samp_rate(3000000) self.uhd_usrp_sink_0.set_center_freq(1E9, 0) self.uhd_usrp_sink_0.set_gain(50, 0) self.uhd_usrp_sink_0.set_antenna('TX/RX', 0) self.qtgui_time_sink_x_0 = qtgui.time_sink_c( 1024, #size samp_rate, #samp_rate 'Scope Plot', #name 1 #number of inputs ) self.qtgui_time_sink_x_0.set_update_time(0.10) self.qtgui_time_sink_x_0.set_y_axis(-1, 1) self.qtgui_time_sink_x_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_0.enable_tags(-1, True) self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_0.enable_autoscale(True) self.qtgui_time_sink_x_0.enable_grid(False) self.qtgui_time_sink_x_0.enable_axis_labels(True) self.qtgui_time_sink_x_0.enable_control_panel(False) self.qtgui_time_sink_x_0.enable_stem_plot(False) if not True: self.qtgui_time_sink_x_0.disable_legend() labels = ['Scope Plot', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "blue" ] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(2): if len(labels[i]) == 0: if (i % 2 == 0): self.qtgui_time_sink_x_0.set_line_label( i, "Re{{Data {0}}}".format(i / 2)) else: self.qtgui_time_sink_x_0.set_line_label( i, "Im{{Data {0}}}".format(i / 2)) else: self.qtgui_time_sink_x_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_0_win = sip.wrapinstance( self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_win) self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw 'FFT Plot', #name 1 #number of inputs ) self.qtgui_freq_sink_x_0.set_update_time(0.10) self.qtgui_freq_sink_x_0.set_y_axis(-140, 10) self.qtgui_freq_sink_x_0.set_y_label('Relative Gain', 'dB') self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "") self.qtgui_freq_sink_x_0.enable_autoscale(True) self.qtgui_freq_sink_x_0.enable_grid(False) self.qtgui_freq_sink_x_0.set_fft_average(1.0) self.qtgui_freq_sink_x_0.enable_axis_labels(True) self.qtgui_freq_sink_x_0.enable_control_panel(False) if not True: self.qtgui_freq_sink_x_0.disable_legend() if "complex" == "float" or "complex" == "msg_float": self.qtgui_freq_sink_x_0.set_plot_pos_half(not True) labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "dark blue" ] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.qtgui_freq_sink_x_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_freq_sink_x_0.set_line_label(i, labels[i]) self.qtgui_freq_sink_x_0.set_line_width(i, widths[i]) self.qtgui_freq_sink_x_0.set_line_color(i, colors[i]) self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_freq_sink_x_0_win = sip.wrapinstance( self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win) self.fft_vxx_1 = fft.fft_vcc(N_fft, True, (window.blackmanharris(N_fft)), False, 1) self.fft_vxx_0 = fft.fft_vcc(fft_len, False, (()), True, 1) self.digital_protocol_formatter_bb_0 = digital.protocol_formatter_bb( hdr_format, length_tag_key) self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer( fft_len, fft_len + fft_len / 4, rolloff, length_tag_key) self.digital_ofdm_carrier_allocator_cvc_0 = digital.ofdm_carrier_allocator_cvc( fft_len, occupied_carriers, pilot_carriers, pilot_symbols, (sync_word1, sync_word2), length_tag_key) self.digital_crc32_bb_0 = digital.crc32_bb(False, length_tag_key, True) self.digital_chunks_to_symbols_xx_0_0 = digital.chunks_to_symbols_bc( (payload_mod.points()), 1) self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc( (header_mod.points()), 1) self.blocks_vector_to_stream_0 = blocks.vector_to_stream( gr.sizeof_float * 1, N_fft) self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux( gr.sizeof_gr_complex * 1, length_tag_key, 0) self.blocks_tag_gate_0 = blocks.tag_gate(gr.sizeof_gr_complex * 1, False) self.blocks_tag_gate_0.set_single_key("") self.blocks_stream_to_vector_0 = blocks.stream_to_vector( gr.sizeof_gr_complex * 1, N_fft) self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream( gr.sizeof_char, 1, packet_len, length_tag_key) self.blocks_repack_bits_bb_0_0 = blocks.repack_bits_bb( 8, 1, length_tag_key, False, gr.GR_LSB_FIRST) self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb( 8, payload_mod.bits_per_symbol(), length_tag_key, False, gr.GR_LSB_FIRST) self.blocks_nlog10_ff_0_0 = blocks.nlog10_ff(10, 1, 0) self.blocks_nlog10_ff_0 = blocks.nlog10_ff(10, 1, -1 * min_singnal_var0) self.blocks_multiply_const_vxx_0_2 = blocks.multiply_const_vcc( (0.05, )) self.blocks_multiply_const_vxx_0_1 = blocks.multiply_const_vff( (N_fft / 50e6, )) self.blocks_multiply_const_vxx_0_0_0 = blocks.multiply_const_vff( (N_fft / 50e6, )) self.blocks_min_xx_0 = blocks.min_ff(N_fft, 1) self.blocks_float_to_uchar_0 = blocks.float_to_uchar() self.blocks_complex_to_mag_squared_0 = blocks.complex_to_mag_squared( N_fft) ################################################## # Connections ################################################## self.connect((self.blocks_complex_to_mag_squared_0, 0), (self.blocks_min_xx_0, 0)) self.connect((self.blocks_complex_to_mag_squared_0, 0), (self.blocks_vector_to_stream_0, 0)) self.connect((self.blocks_float_to_uchar_0, 0), (self.blocks_stream_to_tagged_stream_0, 0)) self.connect((self.blocks_min_xx_0, 0), (self.blocks_multiply_const_vxx_0_0_0, 0)) self.connect((self.blocks_multiply_const_vxx_0_0_0, 0), (self.blocks_nlog10_ff_0_0, 0)) self.connect((self.blocks_multiply_const_vxx_0_1, 0), (self.blocks_nlog10_ff_0, 0)) self.connect((self.blocks_multiply_const_vxx_0_2, 0), (self.blocks_tag_gate_0, 0)) self.connect((self.blocks_nlog10_ff_0, 0), (self.blocks_float_to_uchar_0, 0)) self.connect((self.blocks_nlog10_ff_0_0, 0), (self.min_signal0, 0)) self.connect((self.blocks_repack_bits_bb_0, 0), (self.digital_chunks_to_symbols_xx_0_0, 0)) self.connect((self.blocks_repack_bits_bb_0_0, 0), (self.digital_chunks_to_symbols_xx_0, 0)) self.connect((self.blocks_stream_to_tagged_stream_0, 0), (self.digital_crc32_bb_0, 0)) self.connect((self.blocks_stream_to_vector_0, 0), (self.fft_vxx_1, 0)) self.connect((self.blocks_tag_gate_0, 0), (self.qtgui_freq_sink_x_0, 0)) self.connect((self.blocks_tag_gate_0, 0), (self.qtgui_time_sink_x_0, 0)) self.connect((self.blocks_tag_gate_0, 0), (self.uhd_usrp_sink_0, 0)) self.connect((self.blocks_tagged_stream_mux_0, 0), (self.digital_ofdm_carrier_allocator_cvc_0, 0)) self.connect((self.blocks_vector_to_stream_0, 0), (self.blocks_multiply_const_vxx_0_1, 0)) self.connect((self.digital_chunks_to_symbols_xx_0, 0), (self.blocks_tagged_stream_mux_0, 0)) self.connect((self.digital_chunks_to_symbols_xx_0_0, 0), (self.blocks_tagged_stream_mux_0, 1)) self.connect((self.digital_crc32_bb_0, 0), (self.blocks_repack_bits_bb_0, 0)) self.connect((self.digital_crc32_bb_0, 0), (self.digital_protocol_formatter_bb_0, 0)) self.connect((self.digital_ofdm_carrier_allocator_cvc_0, 0), (self.fft_vxx_0, 0)) self.connect((self.digital_ofdm_cyclic_prefixer_0, 0), (self.blocks_multiply_const_vxx_0_2, 0)) self.connect((self.digital_protocol_formatter_bb_0, 0), (self.blocks_repack_bits_bb_0_0, 0)) self.connect((self.fft_vxx_0, 0), (self.digital_ofdm_cyclic_prefixer_0, 0)) self.connect((self.fft_vxx_1, 0), (self.blocks_complex_to_mag_squared_0, 0)) self.connect((self.uhd_usrp_source_0, 0), (self.blocks_stream_to_vector_0, 0))
def __init__(self, fft_len=_def_fft_len, cp_len=_def_cp_len, frame_length_tag_key=_def_frame_length_tag_key, packet_length_tag_key=_def_packet_length_tag_key, packet_num_tag_key=_def_packet_num_tag_key, occupied_carriers=_def_occupied_carriers, pilot_carriers=_def_pilot_carriers, pilot_symbols=_def_pilot_symbols, bps_header=1, bps_payload=1, sync_word1=None, sync_word2=None ): gr.hier_block2.__init__(self, "ofdm_rx", gr.io_signature(1, 1, gr.sizeof_gr_complex), gr.io_signature(1, 1, gr.sizeof_char)) self.fft_len = fft_len self.cp_len = cp_len self.frame_length_tag_key = frame_length_tag_key self.packet_length_tag_key = packet_length_tag_key self.occupied_carriers = occupied_carriers self.bps_header = bps_header self.bps_payload = bps_payload n_sync_words = 1 header_constellation = _get_constellation(bps_header) if sync_word1 is None: self.sync_word1 = _make_sync_word(fft_len, occupied_carriers, header_constellation) else: if len(sync_word1) != self.fft_len: raise ValueError("Length of sync sequence(s) must be FFT length.") self.sync_word1 = sync_word1 self.sync_word2 = () if sync_word2 is not None: if len(sync_word2) != fft_len: raise ValueError("Length of sync sequence(s) must be FFT length.") self.sync_word2 = sync_word2 n_sync_words = 2 else: sync_word2 = () # Receiver path sync_detect = digital.ofdm_sync_sc_cfb(fft_len, cp_len) oscillator = analog.frequency_modulator_fc(-2.0 / fft_len) delay = gr.delay(gr.sizeof_gr_complex, fft_len+cp_len) mixer = gr.multiply_cc() hpd = digital.header_payload_demux(n_sync_words, fft_len, cp_len, frame_length_tag_key, "", True) self.connect(self, sync_detect) self.connect((sync_detect, 0), oscillator, (mixer, 0)) self.connect(self, delay, (mixer, 1)) self.connect(mixer, (hpd, 0)) self.connect((sync_detect, 1), (hpd, 1)) # Header demodulation header_fft = fft.fft_vcc(self.fft_len, True, (), True) chanest = digital.ofdm_chanest_vcvc(self.sync_word1, self.sync_word2, 1) header_equalizer = digital.ofdm_equalizer_simpledfe( fft_len, header_constellation.base(), occupied_carriers, pilot_carriers, pilot_symbols ) header_eq = digital.ofdm_frame_equalizer_vcvc(header_equalizer.base(), frame_length_tag_key, True) header_serializer = digital.ofdm_serializer_vcc(fft_len, occupied_carriers) header_constellation = _get_constellation(bps_header) header_demod = digital.constellation_decoder_cb(header_constellation.base()) header_formatter = digital.packet_header_ofdm( occupied_carriers, 1, packet_length_tag_key, frame_length_tag_key, packet_num_tag_key, bps_header ) header_parser = digital.packet_headerparser_b(header_formatter.formatter()) self.connect((hpd, 0), header_fft, chanest, header_eq, header_serializer, header_demod, header_parser) self.msg_connect(header_parser, "header_data", hpd, "header_data") # Payload demodulation payload_fft = fft.fft_vcc(self.fft_len, True, (), True) payload_equalizer = digital.ofdm_equalizer_simpledfe( fft_len, header_constellation.base(), occupied_carriers, pilot_carriers, pilot_symbols, 1 ) payload_eq = digital.ofdm_frame_equalizer_vcvc(payload_equalizer.base(), frame_length_tag_key) payload_serializer = digital.ofdm_serializer_vcc(fft_len, occupied_carriers) payload_constellation = _get_constellation(bps_payload) payload_demod = digital.constellation_decoder_cb(payload_constellation.base()) bit_packer = blocks.repack_bits_bb(bps_payload, 8, packet_length_tag_key, True) self.connect((hpd, 1), payload_fft, payload_eq, payload_serializer, payload_demod, bit_packer, self)
def __init__(self): gr.top_block.__init__(self, "Message") Qt.QWidget.__init__(self) self.setWindowTitle("Message") try: self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc')) except: pass self.top_scroll_layout = Qt.QVBoxLayout() self.setLayout(self.top_scroll_layout) self.top_scroll = Qt.QScrollArea() self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame) self.top_scroll_layout.addWidget(self.top_scroll) self.top_scroll.setWidgetResizable(True) self.top_widget = Qt.QWidget() self.top_scroll.setWidget(self.top_widget) self.top_layout = Qt.QVBoxLayout(self.top_widget) self.top_grid_layout = Qt.QGridLayout() self.top_layout.addLayout(self.top_grid_layout) self.settings = Qt.QSettings("GNU Radio", "message") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Variables ################################################## self.pilot_symbols = pilot_symbols = (( 1, 1, 1, -1, ), ) self.pilot_carriers = pilot_carriers = (( -21, -7, 7, 21, ), ) self.payload_mod = payload_mod = digital.constellation_qpsk() self.packet_length_tag_key = packet_length_tag_key = "packet_len" self.occupied_carriers = occupied_carriers = ( range(-26, -21) + range(-20, -7) + range(-6, 0) + range(1, 7) + range(8, 21) + range(22, 27), ) self.length_tag_key = length_tag_key = "frame_len" self.header_mod = header_mod = digital.constellation_bpsk() self.fft_len = fft_len = 64 self.sync_word2 = sync_word2 = [ 0j, 0j, 0j, 0j, 0j, 0j, (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), 0j, (1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), 0j, 0j, 0j, 0j, 0j ] self.samp_rate = samp_rate = 5000000 self.rolloff = rolloff = 0 self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_simpledfe( fft_len, payload_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols, 1) self.packet_len = packet_len = 96 self.header_formatter = header_formatter = digital.packet_header_ofdm( occupied_carriers, n_syms=1, len_tag_key=packet_length_tag_key, frame_len_tag_key=length_tag_key, bits_per_header_sym=header_mod.bits_per_symbol(), bits_per_payload_sym=payload_mod.bits_per_symbol(), scramble_header=False) self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe( fft_len, header_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols) ################################################## # Blocks ################################################## self.qtgui_time_sink_x_0 = qtgui.time_sink_c( 1024, #size samp_rate, #samp_rate "", #name 1 #number of inputs ) self.qtgui_time_sink_x_0.set_update_time(0.10) self.qtgui_time_sink_x_0.set_y_axis(-1, 1) self.qtgui_time_sink_x_0.set_y_label("Amplitude", "") self.qtgui_time_sink_x_0.enable_tags(-1, True) self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_0.enable_autoscale(False) self.qtgui_time_sink_x_0.enable_grid(False) self.qtgui_time_sink_x_0.enable_control_panel(False) if not True: self.qtgui_time_sink_x_0.disable_legend() labels = ["", "", "", "", "", "", "", "", "", ""] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "blue" ] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(2 * 1): if len(labels[i]) == 0: if (i % 2 == 0): self.qtgui_time_sink_x_0.set_line_label( i, "Re{{Data {0}}}".format(i / 2)) else: self.qtgui_time_sink_x_0.set_line_label( i, "Im{{Data {0}}}".format(i / 2)) else: self.qtgui_time_sink_x_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_0_win = sip.wrapinstance( self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget) self.top_layout.addWidget(self._qtgui_time_sink_x_0_win) self.pir_get_timestamp_delta_cm_0 = pir.get_timestamp_delta_cm() self.digital_packet_headergenerator_bb_0 = digital.packet_headergenerator_bb( header_formatter.formatter(), packet_length_tag_key) self.digital_crc32_bb_0_0 = digital.crc32_bb(False, packet_length_tag_key, True) self.digital_crc32_bb_0 = digital.crc32_bb(True, packet_length_tag_key, True) self.digital_constellation_decoder_cb_1 = digital.constellation_decoder_cb( payload_mod.base()) self.digital_chunks_to_symbols_xx_0_0 = digital.chunks_to_symbols_bc( (payload_mod.points()), 1) self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc( (header_mod.points()), 1) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1, samp_rate, True) self.blocks_tagged_stream_to_pdu_0_0 = blocks.tagged_stream_to_pdu( blocks.byte_t, "packet_len") self.blocks_tagged_stream_to_pdu_0 = blocks.tagged_stream_to_pdu( blocks.byte_t, "packet_len") self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux( gr.sizeof_gr_complex * 1, "packet_len", 0) self.blocks_repack_bits_bb_0_0 = blocks.repack_bits_bb( 8, payload_mod.bits_per_symbol(), packet_length_tag_key, False, gr.GR_LSB_FIRST) self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb( payload_mod.bits_per_symbol(), 8, packet_length_tag_key, True, gr.GR_LSB_FIRST) self.blocks_pdu_to_tagged_stream_0 = blocks.pdu_to_tagged_stream( blocks.byte_t, "packet_len") self.blocks_message_debug_1 = blocks.message_debug() self.blocks_message_debug_0 = blocks.message_debug() self.analog_sig_source_x_0 = analog.sig_source_c( samp_rate, analog.GR_COS_WAVE, 1000, 1, 0) ################################################## # Connections ################################################## self.msg_connect((self.blocks_tagged_stream_to_pdu_0, 'pdus'), (self.blocks_message_debug_0, 'print_pdu')) self.msg_connect((self.blocks_tagged_stream_to_pdu_0_0, 'pdus'), (self.blocks_message_debug_1, 'print')) self.msg_connect((self.pir_get_timestamp_delta_cm_0, 'out'), (self.blocks_pdu_to_tagged_stream_0, 'pdus')) self.connect((self.analog_sig_source_x_0, 0), (self.blocks_throttle_0, 0)) self.connect((self.blocks_pdu_to_tagged_stream_0, 0), (self.blocks_tagged_stream_to_pdu_0_0, 0)) self.connect((self.blocks_pdu_to_tagged_stream_0, 0), (self.digital_crc32_bb_0_0, 0)) self.connect((self.blocks_repack_bits_bb_0, 0), (self.digital_crc32_bb_0, 0)) self.connect((self.blocks_repack_bits_bb_0_0, 0), (self.digital_chunks_to_symbols_xx_0_0, 0)) self.connect((self.blocks_tagged_stream_mux_0, 0), (self.digital_constellation_decoder_cb_1, 0)) self.connect((self.blocks_tagged_stream_mux_0, 0), (self.qtgui_time_sink_x_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.pir_get_timestamp_delta_cm_0, 0)) self.connect((self.digital_chunks_to_symbols_xx_0, 0), (self.blocks_tagged_stream_mux_0, 0)) self.connect((self.digital_chunks_to_symbols_xx_0_0, 0), (self.blocks_tagged_stream_mux_0, 1)) self.connect((self.digital_constellation_decoder_cb_1, 0), (self.blocks_repack_bits_bb_0, 0)) self.connect((self.digital_crc32_bb_0, 0), (self.blocks_tagged_stream_to_pdu_0, 0)) self.connect((self.digital_crc32_bb_0_0, 0), (self.blocks_repack_bits_bb_0_0, 0)) self.connect((self.digital_crc32_bb_0_0, 0), (self.digital_packet_headergenerator_bb_0, 0)) self.connect((self.digital_packet_headergenerator_bb_0, 0), (self.digital_chunks_to_symbols_xx_0, 0))
def __init__(self, fft_len=_def_fft_len, cp_len=_def_cp_len, packet_length_tag_key=_def_packet_length_tag_key, occupied_carriers=_def_occupied_carriers, pilot_carriers=_def_pilot_carriers, pilot_symbols=_def_pilot_symbols, bps_header=1, bps_payload=1, sync_word1=None, sync_word2=None, rolloff=0, debug_log=False ): gr.hier_block2.__init__(self, "ofdm_tx", gr.io_signature(1, 1, gr.sizeof_char), gr.io_signature(1, 1, gr.sizeof_gr_complex)) ### Param init / sanity check ######################################## self.fft_len = fft_len self.cp_len = cp_len self.packet_length_tag_key = packet_length_tag_key self.occupied_carriers = occupied_carriers self.pilot_carriers = pilot_carriers self.pilot_symbols = pilot_symbols self.bps_header = bps_header self.bps_payload = bps_payload n_sync_words = 1 self.sync_word1 = sync_word1 if sync_word1 is None: self.sync_word1 = _make_sync_word1(fft_len, occupied_carriers, pilot_carriers) else: if len(sync_word1) != self.fft_len: raise ValueError("Length of sync sequence(s) must be FFT length.") self.sync_words = [self.sync_word1,] self.sync_word2 = () if sync_word2 is None: self.sync_word2 = _make_sync_word2(fft_len, occupied_carriers, pilot_carriers) if len(self.sync_word2): if len(self.sync_word2) != fft_len: raise ValueError("Length of sync sequence(s) must be FFT length.") self.sync_word2 = list(self.sync_word2) n_sync_words = 2 self.sync_words.append(self.sync_word2) ### Header modulation ################################################ crc = digital.crc32_bb(False, self.packet_length_tag_key) header_constellation = _get_constellation(bps_header) header_mod = digital.chunks_to_symbols_bc(header_constellation.points()) formatter_object = digital.packet_header_ofdm( occupied_carriers=occupied_carriers, n_syms=1, bits_per_header_sym=self.bps_header, bits_per_payload_sym=self.bps_payload ) header_gen = digital.packet_headergenerator_bb(formatter_object.base(), self.packet_length_tag_key) header_payload_mux = blocks.tagged_stream_mux(gr.sizeof_gr_complex*1, self.packet_length_tag_key) self.connect(self, crc, header_gen, header_mod, (header_payload_mux, 0)) if debug_log: self.connect(header_gen, blocks.file_sink(1, 'tx-hdr.dat')) ### Payload modulation ############################################### payload_constellation = _get_constellation(bps_payload) payload_mod = digital.chunks_to_symbols_bc(payload_constellation.points()) self.connect( crc, blocks.repack_bits_bb( 8, # Unpack 8 bits per byte bps_payload, self.packet_length_tag_key ), payload_mod, (header_payload_mux, 1) ) ### Create OFDM frame ################################################ allocator = digital.ofdm_carrier_allocator_cvc( self.fft_len, occupied_carriers=self.occupied_carriers, pilot_carriers=self.pilot_carriers, pilot_symbols=self.pilot_symbols, sync_words=self.sync_words, len_tag_key=self.packet_length_tag_key ) ffter = fft.fft_vcc( self.fft_len, False, # Inverse FFT (), # No window True # Shift ) cyclic_prefixer = digital.ofdm_cyclic_prefixer( self.fft_len, self.fft_len+self.cp_len, rolloff, self.packet_length_tag_key ) self.connect(header_payload_mux, allocator, ffter, cyclic_prefixer, self) if debug_log: self.connect(allocator, blocks.file_sink(8*64, 'tx-post-allocator.dat')) self.connect(cyclic_prefixer, blocks.file_sink(8, 'tx-signal.dat'))
def __init__(self): gr.top_block.__init__(self, "8PSK Modulation and Demodulation with Frequency Correction Simulation") Qt.QWidget.__init__(self) self.setWindowTitle("8PSK Modulation and Demodulation with Frequency Correction Simulation") qtgui.util.check_set_qss() try: self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc')) except: pass self.top_scroll_layout = Qt.QVBoxLayout() self.setLayout(self.top_scroll_layout) self.top_scroll = Qt.QScrollArea() self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame) self.top_scroll_layout.addWidget(self.top_scroll) self.top_scroll.setWidgetResizable(True) self.top_widget = Qt.QWidget() self.top_scroll.setWidget(self.top_widget) self.top_layout = Qt.QVBoxLayout(self.top_widget) self.top_grid_layout = Qt.QGridLayout() self.top_layout.addLayout(self.top_grid_layout) self.settings = Qt.QSettings("GNU Radio", "E8PSK_ModDemod_FC") if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"): self.restoreGeometry(self.settings.value("geometry").toByteArray()) else: self.restoreGeometry(self.settings.value("geometry", type=QtCore.QByteArray)) ################################################## # Variables ################################################## self.RangeRow = RangeRow = 0 self.ConsRow = ConsRow = RangeRow+1 self.samp_rate = samp_rate = 1e6 self.nfilts = nfilts = 100 self.SampSymb = SampSymb = 8 self.FreqRow = FreqRow = ConsRow+1 self.FDP = FDP = 0.005 self.rrc_taps_0 = rrc_taps_0 = firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(SampSymb), 0.35, 45*nfilts) self.min_PLL = min_PLL = 2*np.pi*(1/float(SampSymb)-1/float(SampSymb)*FDP) self.max_PLL = max_PLL = 2*np.pi*(1/float(SampSymb)+1/float(SampSymb)*FDP) self.Values = Values = 2 self.TimeRow = TimeRow = FreqRow+1 self.SPS = SPS = 2 self.QPSK_CO = QPSK_CO = digital.constellation_qpsk().base() self.Noise = Noise = 0 self.LBP_PLL = LBP_PLL = (samp_rate/float(SampSymb)-samp_rate/float(SampSymb)*FDP*2) self.HBP_PLL = HBP_PLL = (samp_rate/float(SampSymb)+samp_rate/float(SampSymb)*FDP*2) self.FreqOff = FreqOff = 0.005 ################################################## # Blocks ################################################## self._Noise_range = Range(0, 1, 0.01, 0, 200) self._Noise_win = RangeWidget(self._Noise_range, self.set_Noise, 'Channel Noise', "counter_slider", float) self.top_grid_layout.addWidget(self._Noise_win, 0, 1, 1, 2) [self.top_grid_layout.setRowStretch(r,1) for r in range(0,1)] [self.top_grid_layout.setColumnStretch(c,1) for c in range(1,3)] self._FreqOff_range = Range(-1, 1, 0.001, 0.005, 200) self._FreqOff_win = RangeWidget(self._FreqOff_range, self.set_FreqOff, 'Frequency Offset', "counter_slider", float) self.top_grid_layout.addWidget(self._FreqOff_win, 0, 3, 1, 1) [self.top_grid_layout.setRowStretch(r,1) for r in range(0,1)] [self.top_grid_layout.setColumnStretch(c,1) for c in range(3,4)] self.sync_encoder = sync_encoder.blk() self.sync_decoder = sync_decoder.blk() self.repeat_first_byte = repeat_first_byte.blk(repeat=3) self.qtgui_time_sink_x_0_0_0 = qtgui.time_sink_f( 1024, #size samp_rate, #samp_rate "Received Data", #name 1 #number of inputs ) self.qtgui_time_sink_x_0_0_0.set_update_time(0.064) self.qtgui_time_sink_x_0_0_0.set_y_axis(-1, 1) self.qtgui_time_sink_x_0_0_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_0_0_0.enable_tags(-1, True) self.qtgui_time_sink_x_0_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_0_0_0.enable_autoscale(True) self.qtgui_time_sink_x_0_0_0.enable_grid(False) self.qtgui_time_sink_x_0_0_0.enable_axis_labels(True) self.qtgui_time_sink_x_0_0_0.enable_control_panel(False) self.qtgui_time_sink_x_0_0_0.enable_stem_plot(False) if not False: self.qtgui_time_sink_x_0_0_0.disable_legend() labels = ['', 'Received', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "blue"] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.qtgui_time_sink_x_0_0_0.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_time_sink_x_0_0_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_0_0_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_0_0_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_0_0_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_0_0_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_0_0_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_0_0_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0_0_0.pyqwidget(), Qt.QWidget) self.top_layout.addWidget(self._qtgui_time_sink_x_0_0_0_win) self.qtgui_time_sink_x_0_0 = qtgui.time_sink_f( 512, #size samp_rate, #samp_rate "Original vs Received Data", #name 2 #number of inputs ) self.qtgui_time_sink_x_0_0.set_update_time(0.064) self.qtgui_time_sink_x_0_0.set_y_axis(-1, 1) self.qtgui_time_sink_x_0_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_0_0.enable_tags(-1, True) self.qtgui_time_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_0_0.enable_autoscale(True) self.qtgui_time_sink_x_0_0.enable_grid(False) self.qtgui_time_sink_x_0_0.enable_axis_labels(True) self.qtgui_time_sink_x_0_0.enable_control_panel(False) self.qtgui_time_sink_x_0_0.enable_stem_plot(False) if not True: self.qtgui_time_sink_x_0_0.disable_legend() labels = ['Original', 'Received', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "blue"] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(2): if len(labels[i]) == 0: self.qtgui_time_sink_x_0_0.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_time_sink_x_0_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_0_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_0_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_0_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_0_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_0_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_0_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0_0.pyqwidget(), Qt.QWidget) self.top_layout.addWidget(self._qtgui_time_sink_x_0_0_win) self.qtgui_number_sink_0_0 = qtgui.number_sink( gr.sizeof_float, 0, qtgui.NUM_GRAPH_NONE, 1 ) self.qtgui_number_sink_0_0.set_update_time(0.10) self.qtgui_number_sink_0_0.set_title("BER") labels = ['First Byte', '', '', '', '', '', '', '', '', ''] units = ['', '', '', '', '', '', '', '', '', ''] colors = [("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black")] factor = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] for i in xrange(1): self.qtgui_number_sink_0_0.set_min(i, 0) self.qtgui_number_sink_0_0.set_max(i, 255) self.qtgui_number_sink_0_0.set_color(i, colors[i][0], colors[i][1]) if len(labels[i]) == 0: self.qtgui_number_sink_0_0.set_label(i, "Data {0}".format(i)) else: self.qtgui_number_sink_0_0.set_label(i, labels[i]) self.qtgui_number_sink_0_0.set_unit(i, units[i]) self.qtgui_number_sink_0_0.set_factor(i, factor[i]) self.qtgui_number_sink_0_0.enable_autoscale(False) self._qtgui_number_sink_0_0_win = sip.wrapinstance(self.qtgui_number_sink_0_0.pyqwidget(), Qt.QWidget) self.top_layout.addWidget(self._qtgui_number_sink_0_0_win) self.qtgui_number_sink_0 = qtgui.number_sink( gr.sizeof_float, 0, qtgui.NUM_GRAPH_NONE, 1 ) self.qtgui_number_sink_0.set_update_time(0.10) self.qtgui_number_sink_0.set_title("") labels = ['First Byte', '', '', '', '', '', '', '', '', ''] units = ['', '', '', '', '', '', '', '', '', ''] colors = [("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black")] factor = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] for i in xrange(1): self.qtgui_number_sink_0.set_min(i, 0) self.qtgui_number_sink_0.set_max(i, 255) self.qtgui_number_sink_0.set_color(i, colors[i][0], colors[i][1]) if len(labels[i]) == 0: self.qtgui_number_sink_0.set_label(i, "Data {0}".format(i)) else: self.qtgui_number_sink_0.set_label(i, labels[i]) self.qtgui_number_sink_0.set_unit(i, units[i]) self.qtgui_number_sink_0.set_factor(i, factor[i]) self.qtgui_number_sink_0.enable_autoscale(False) self._qtgui_number_sink_0_win = sip.wrapinstance(self.qtgui_number_sink_0.pyqwidget(), Qt.QWidget) self.top_layout.addWidget(self._qtgui_number_sink_0_win) self.qtgui_freq_sink_x_1 = qtgui.freq_sink_c( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw "Pre PSK Demod", #name 2 #number of inputs ) self.qtgui_freq_sink_x_1.set_update_time(0.064) self.qtgui_freq_sink_x_1.set_y_axis(-140, 10) self.qtgui_freq_sink_x_1.set_y_label('Relative Gain', 'dB') self.qtgui_freq_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "") self.qtgui_freq_sink_x_1.enable_autoscale(False) self.qtgui_freq_sink_x_1.enable_grid(False) self.qtgui_freq_sink_x_1.set_fft_average(1.0) self.qtgui_freq_sink_x_1.enable_axis_labels(True) self.qtgui_freq_sink_x_1.enable_control_panel(False) if not True: self.qtgui_freq_sink_x_1.disable_legend() if "complex" == "float" or "complex" == "msg_float": self.qtgui_freq_sink_x_1.set_plot_pos_half(not True) labels = ['Received', 'Mod', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "dark blue"] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(2): if len(labels[i]) == 0: self.qtgui_freq_sink_x_1.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_freq_sink_x_1.set_line_label(i, labels[i]) self.qtgui_freq_sink_x_1.set_line_width(i, widths[i]) self.qtgui_freq_sink_x_1.set_line_color(i, colors[i]) self.qtgui_freq_sink_x_1.set_line_alpha(i, alphas[i]) self._qtgui_freq_sink_x_1_win = sip.wrapinstance(self.qtgui_freq_sink_x_1.pyqwidget(), Qt.QWidget) self.top_layout.addWidget(self._qtgui_freq_sink_x_1_win) self.qtgui_freq_sink_x_0_0 = qtgui.freq_sink_c( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw "Post Polyphase Clock", #name 1 #number of inputs ) self.qtgui_freq_sink_x_0_0.set_update_time(0.10) self.qtgui_freq_sink_x_0_0.set_y_axis(-140, 10) self.qtgui_freq_sink_x_0_0.set_y_label('Relative Gain', 'dB') self.qtgui_freq_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "") self.qtgui_freq_sink_x_0_0.enable_autoscale(False) self.qtgui_freq_sink_x_0_0.enable_grid(False) self.qtgui_freq_sink_x_0_0.set_fft_average(1.0) self.qtgui_freq_sink_x_0_0.enable_axis_labels(True) self.qtgui_freq_sink_x_0_0.enable_control_panel(False) if not False: self.qtgui_freq_sink_x_0_0.disable_legend() if "complex" == "float" or "complex" == "msg_float": self.qtgui_freq_sink_x_0_0.set_plot_pos_half(not True) labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "dark blue"] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.qtgui_freq_sink_x_0_0.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_freq_sink_x_0_0.set_line_label(i, labels[i]) self.qtgui_freq_sink_x_0_0.set_line_width(i, widths[i]) self.qtgui_freq_sink_x_0_0.set_line_color(i, colors[i]) self.qtgui_freq_sink_x_0_0.set_line_alpha(i, alphas[i]) self._qtgui_freq_sink_x_0_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_0_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_0_win, 2, 1, 1, 1) [self.top_grid_layout.setRowStretch(r,1) for r in range(2,3)] [self.top_grid_layout.setColumnStretch(c,1) for c in range(1,2)] self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw "Post_Channel_Model", #name 3 #number of inputs ) self.qtgui_freq_sink_x_0.set_update_time(0.10) self.qtgui_freq_sink_x_0.set_y_axis(-140, 10) self.qtgui_freq_sink_x_0.set_y_label('Relative Gain', 'dB') self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "") self.qtgui_freq_sink_x_0.enable_autoscale(False) self.qtgui_freq_sink_x_0.enable_grid(False) self.qtgui_freq_sink_x_0.set_fft_average(1.0) self.qtgui_freq_sink_x_0.enable_axis_labels(True) self.qtgui_freq_sink_x_0.enable_control_panel(False) if not True: self.qtgui_freq_sink_x_0.disable_legend() if "complex" == "float" or "complex" == "msg_float": self.qtgui_freq_sink_x_0.set_plot_pos_half(not True) labels = ['Post PLL CPSK', 'Post Filter', 'Pre Filter', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "dark blue"] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(3): if len(labels[i]) == 0: self.qtgui_freq_sink_x_0.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_freq_sink_x_0.set_line_label(i, labels[i]) self.qtgui_freq_sink_x_0.set_line_width(i, widths[i]) self.qtgui_freq_sink_x_0.set_line_color(i, colors[i]) self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_freq_sink_x_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win, 2, 0, 1, 1) [self.top_grid_layout.setRowStretch(r,1) for r in range(2,3)] [self.top_grid_layout.setColumnStretch(c,1) for c in range(0,1)] self.qtgui_const_sink_x_0 = qtgui.const_sink_c( 1024, #size "Pre Polyphase Clock", #name 2 #number of inputs ) self.qtgui_const_sink_x_0.set_update_time(0.1) self.qtgui_const_sink_x_0.set_y_axis(-2, 2) self.qtgui_const_sink_x_0.set_x_axis(-2, 2) self.qtgui_const_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.qtgui_const_sink_x_0.enable_autoscale(False) self.qtgui_const_sink_x_0.enable_grid(False) self.qtgui_const_sink_x_0.enable_axis_labels(True) if not False: self.qtgui_const_sink_x_0.disable_legend() labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "red", "red", "red", "red", "red", "red", "red", "red"] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(2): if len(labels[i]) == 0: self.qtgui_const_sink_x_0.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_const_sink_x_0.set_line_label(i, labels[i]) self.qtgui_const_sink_x_0.set_line_width(i, widths[i]) self.qtgui_const_sink_x_0.set_line_color(i, colors[i]) self.qtgui_const_sink_x_0.set_line_style(i, styles[i]) self.qtgui_const_sink_x_0.set_line_marker(i, markers[i]) self.qtgui_const_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_const_sink_x_0_win = sip.wrapinstance(self.qtgui_const_sink_x_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_win, 1, 0, 1, 1) [self.top_grid_layout.setRowStretch(r,1) for r in range(1,2)] [self.top_grid_layout.setColumnStretch(c,1) for c in range(0,1)] self.get_first_byte = get_first_byte.blk() self.digital_psk_mod_0 = digital.psk.psk_mod( constellation_points=8, mod_code="gray", differential=True, samples_per_symbol=SampSymb, excess_bw=0.35, verbose=False, log=False, ) self.digital_psk_demod_0 = digital.psk.psk_demod( constellation_points=8, differential=True, samples_per_symbol=SampSymb, excess_bw=0.35, phase_bw=6.28/100.0, timing_bw=6.28/100.0, mod_code="gray", verbose=False, log=False, ) self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(SampSymb, 0.1, (rrc_taps_0), nfilts, nfilts/2, 1.5, 1) self.digital_costas_loop_cc_0 = digital.costas_loop_cc(.1, 8, False) self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc(15, 1, .01, 2) self.channels_channel_model_0 = channels.channel_model( noise_voltage=Noise, frequency_offset=FreqOff, epsilon=1.0, taps=(1.0 + 1.0j, ), noise_seed=0, block_tags=False ) self.blocks_uchar_to_float_0_0 = blocks.uchar_to_float() self.blocks_uchar_to_float_0 = blocks.uchar_to_float() self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char*1, samp_rate,True) self.blocks_skiphead_0 = blocks.skiphead(gr.sizeof_char*1, 28) self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb(1, 8, "", False, gr.GR_MSB_FIRST) self.blocks_multiply_xx_1 = blocks.multiply_vcc(1) self.blocks_multiply_xx_0_0 = blocks.multiply_vcc(1) self.blocks_multiply_xx_0 = blocks.multiply_vcc(1) self.blocks_multiply_conjugate_cc_0 = blocks.multiply_conjugate_cc(1) self.blocks_delay_0 = blocks.delay(gr.sizeof_char*1, 5) self.blocks_add_xx_0 = blocks.add_vcc(1) self.blks2_error_rate_0 = grc_blks2.error_rate( type='BER', win_size=64000, bits_per_symbol=8, ) self.band_pass_filter_0_0 = filter.interp_fir_filter_ccf(1, firdes.band_pass( 1, samp_rate, (2*samp_rate/float(SampSymb)-130e3), (2*samp_rate/float(SampSymb)+100e3), 10e3, firdes.WIN_HAMMING, 6.76)) self.band_pass_filter_0 = filter.interp_fir_filter_ccf(1, firdes.band_pass( 1, samp_rate, 95e3, 105e3, 10e3, firdes.WIN_HAMMING, 6.76)) self.analog_sig_source_x_0_0_0 = analog.sig_source_c(samp_rate, analog.GR_SIN_WAVE, 100e3, 1, 0) self.analog_sig_source_x_0_0 = analog.sig_source_c(samp_rate, analog.GR_SIN_WAVE, 100e3, 1, 0) self.analog_pll_refout_cc_0 = analog.pll_refout_cc(0.2, 2*np.pi*103e3/samp_rate, 2*np.pi*97e3/samp_rate) self.Video_Source = blocks.file_source(gr.sizeof_char*1, '/home/teddy/Documents/DVB_last_stand/Source_Files/Test_Video.ts', False) self.Video_Sink = blocks.file_sink(gr.sizeof_char*1, '/home/teddy/Documents/DVB_last_stand/Received_Files/Test_Video_8PSK_FC_received.ts', False) self.Video_Sink.set_unbuffered(True) self._Values_range = Range(0, 255, 1, 2, 200) self._Values_win = RangeWidget(self._Values_range, self.set_Values, 'Vector Values', "counter_slider", int) self.top_grid_layout.addWidget(self._Values_win, 0, 0, 1, 1) [self.top_grid_layout.setRowStretch(r,1) for r in range(0,1)] [self.top_grid_layout.setColumnStretch(c,1) for c in range(0,1)] self.Post_Polyphase_Clock_Cons = qtgui.const_sink_c( 1024, #size 'Post Polyphase Clock', #name 1 #number of inputs ) self.Post_Polyphase_Clock_Cons.set_update_time(0.10) self.Post_Polyphase_Clock_Cons.set_y_axis(-2, 2) self.Post_Polyphase_Clock_Cons.set_x_axis(-2, 2) self.Post_Polyphase_Clock_Cons.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.Post_Polyphase_Clock_Cons.enable_autoscale(False) self.Post_Polyphase_Clock_Cons.enable_grid(True) self.Post_Polyphase_Clock_Cons.enable_axis_labels(True) if not False: self.Post_Polyphase_Clock_Cons.disable_legend() labels = ['Timing Recov.', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "red"] styles = [1, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] alphas = [0.5, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.Post_Polyphase_Clock_Cons.set_line_label(i, "Data {0}".format(i)) else: self.Post_Polyphase_Clock_Cons.set_line_label(i, labels[i]) self.Post_Polyphase_Clock_Cons.set_line_width(i, widths[i]) self.Post_Polyphase_Clock_Cons.set_line_color(i, colors[i]) self.Post_Polyphase_Clock_Cons.set_line_style(i, styles[i]) self.Post_Polyphase_Clock_Cons.set_line_marker(i, markers[i]) self.Post_Polyphase_Clock_Cons.set_line_alpha(i, alphas[i]) self._Post_Polyphase_Clock_Cons_win = sip.wrapinstance(self.Post_Polyphase_Clock_Cons.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._Post_Polyphase_Clock_Cons_win, 1, 1, 1, 1) [self.top_grid_layout.setRowStretch(r,1) for r in range(1,2)] [self.top_grid_layout.setColumnStretch(c,1) for c in range(1,2)] self.Post_Costas_Loop_Freq = qtgui.freq_sink_c( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw "Post Costas Loop", #name 1 #number of inputs ) self.Post_Costas_Loop_Freq.set_update_time(0.10) self.Post_Costas_Loop_Freq.set_y_axis(-140, 10) self.Post_Costas_Loop_Freq.set_y_label('Relative Gain', 'dB') self.Post_Costas_Loop_Freq.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "") self.Post_Costas_Loop_Freq.enable_autoscale(False) self.Post_Costas_Loop_Freq.enable_grid(False) self.Post_Costas_Loop_Freq.set_fft_average(1.0) self.Post_Costas_Loop_Freq.enable_axis_labels(True) self.Post_Costas_Loop_Freq.enable_control_panel(False) if not False: self.Post_Costas_Loop_Freq.disable_legend() if "complex" == "float" or "complex" == "msg_float": self.Post_Costas_Loop_Freq.set_plot_pos_half(not True) labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "dark blue"] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.Post_Costas_Loop_Freq.set_line_label(i, "Data {0}".format(i)) else: self.Post_Costas_Loop_Freq.set_line_label(i, labels[i]) self.Post_Costas_Loop_Freq.set_line_width(i, widths[i]) self.Post_Costas_Loop_Freq.set_line_color(i, colors[i]) self.Post_Costas_Loop_Freq.set_line_alpha(i, alphas[i]) self._Post_Costas_Loop_Freq_win = sip.wrapinstance(self.Post_Costas_Loop_Freq.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._Post_Costas_Loop_Freq_win, 2, 3, 1, 1) [self.top_grid_layout.setRowStretch(r,1) for r in range(2,3)] [self.top_grid_layout.setColumnStretch(c,1) for c in range(3,4)] self.Post_Costas_Loop_Cons = qtgui.const_sink_c( 1024, #size 'Post Costas Loop', #name 1 #number of inputs ) self.Post_Costas_Loop_Cons.set_update_time(0.10) self.Post_Costas_Loop_Cons.set_y_axis(-2, 2) self.Post_Costas_Loop_Cons.set_x_axis(-2, 2) self.Post_Costas_Loop_Cons.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.Post_Costas_Loop_Cons.enable_autoscale(False) self.Post_Costas_Loop_Cons.enable_grid(False) self.Post_Costas_Loop_Cons.enable_axis_labels(True) if not False: self.Post_Costas_Loop_Cons.disable_legend() labels = ['Locked', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "red"] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] alphas = [0.6, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.Post_Costas_Loop_Cons.set_line_label(i, "Data {0}".format(i)) else: self.Post_Costas_Loop_Cons.set_line_label(i, labels[i]) self.Post_Costas_Loop_Cons.set_line_width(i, widths[i]) self.Post_Costas_Loop_Cons.set_line_color(i, colors[i]) self.Post_Costas_Loop_Cons.set_line_style(i, styles[i]) self.Post_Costas_Loop_Cons.set_line_marker(i, markers[i]) self.Post_Costas_Loop_Cons.set_line_alpha(i, alphas[i]) self._Post_Costas_Loop_Cons_win = sip.wrapinstance(self.Post_Costas_Loop_Cons.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._Post_Costas_Loop_Cons_win, 1, 3, 1, 1) [self.top_grid_layout.setRowStretch(r,1) for r in range(1,2)] [self.top_grid_layout.setColumnStretch(c,1) for c in range(3,4)] self.Post_CMA_Equalizer_Freq = qtgui.freq_sink_c( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw "Post CMA Equalizer", #name 1 #number of inputs ) self.Post_CMA_Equalizer_Freq.set_update_time(0.10) self.Post_CMA_Equalizer_Freq.set_y_axis(-140, 10) self.Post_CMA_Equalizer_Freq.set_y_label('Relative Gain', 'dB') self.Post_CMA_Equalizer_Freq.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "") self.Post_CMA_Equalizer_Freq.enable_autoscale(False) self.Post_CMA_Equalizer_Freq.enable_grid(False) self.Post_CMA_Equalizer_Freq.set_fft_average(1.0) self.Post_CMA_Equalizer_Freq.enable_axis_labels(True) self.Post_CMA_Equalizer_Freq.enable_control_panel(False) if not False: self.Post_CMA_Equalizer_Freq.disable_legend() if "complex" == "float" or "complex" == "msg_float": self.Post_CMA_Equalizer_Freq.set_plot_pos_half(not True) labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "dark blue"] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.Post_CMA_Equalizer_Freq.set_line_label(i, "Data {0}".format(i)) else: self.Post_CMA_Equalizer_Freq.set_line_label(i, labels[i]) self.Post_CMA_Equalizer_Freq.set_line_width(i, widths[i]) self.Post_CMA_Equalizer_Freq.set_line_color(i, colors[i]) self.Post_CMA_Equalizer_Freq.set_line_alpha(i, alphas[i]) self._Post_CMA_Equalizer_Freq_win = sip.wrapinstance(self.Post_CMA_Equalizer_Freq.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._Post_CMA_Equalizer_Freq_win, 2, 2, 1, 1) [self.top_grid_layout.setRowStretch(r,1) for r in range(2,3)] [self.top_grid_layout.setColumnStretch(c,1) for c in range(2,3)] self.Post_CMA_Eq_Cons = qtgui.const_sink_c( 1024, #size 'Post CMA Equalizer', #name 1 #number of inputs ) self.Post_CMA_Eq_Cons.set_update_time(0.10) self.Post_CMA_Eq_Cons.set_y_axis(-2, 2) self.Post_CMA_Eq_Cons.set_x_axis(-2, 2) self.Post_CMA_Eq_Cons.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.Post_CMA_Eq_Cons.enable_autoscale(False) self.Post_CMA_Eq_Cons.enable_grid(False) self.Post_CMA_Eq_Cons.enable_axis_labels(True) if not False: self.Post_CMA_Eq_Cons.disable_legend() labels = ['Equalized', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "red"] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] alphas = [0.6, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.Post_CMA_Eq_Cons.set_line_label(i, "Data {0}".format(i)) else: self.Post_CMA_Eq_Cons.set_line_label(i, labels[i]) self.Post_CMA_Eq_Cons.set_line_width(i, widths[i]) self.Post_CMA_Eq_Cons.set_line_color(i, colors[i]) self.Post_CMA_Eq_Cons.set_line_style(i, styles[i]) self.Post_CMA_Eq_Cons.set_line_marker(i, markers[i]) self.Post_CMA_Eq_Cons.set_line_alpha(i, alphas[i]) self._Post_CMA_Eq_Cons_win = sip.wrapinstance(self.Post_CMA_Eq_Cons.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._Post_CMA_Eq_Cons_win, 1, 2, 1, 1) [self.top_grid_layout.setRowStretch(r,1) for r in range(1,2)] [self.top_grid_layout.setColumnStretch(c,1) for c in range(2,3)] ################################################## # Connections ################################################## self.connect((self.Video_Source, 0), (self.blocks_throttle_0, 0)) self.connect((self.analog_pll_refout_cc_0, 0), (self.blocks_multiply_xx_1, 0)) self.connect((self.analog_sig_source_x_0_0, 0), (self.blocks_add_xx_0, 1)) self.connect((self.analog_sig_source_x_0_0, 0), (self.blocks_multiply_xx_0_0, 0)) self.connect((self.analog_sig_source_x_0_0, 0), (self.blocks_multiply_xx_0_0, 1)) self.connect((self.analog_sig_source_x_0_0_0, 0), (self.blocks_multiply_xx_1, 1)) self.connect((self.band_pass_filter_0, 0), (self.analog_pll_refout_cc_0, 0)) self.connect((self.band_pass_filter_0, 0), (self.qtgui_freq_sink_x_0, 1)) self.connect((self.band_pass_filter_0_0, 0), (self.blocks_multiply_conjugate_cc_0, 0)) self.connect((self.blks2_error_rate_0, 0), (self.qtgui_number_sink_0_0, 0)) self.connect((self.blocks_add_xx_0, 0), (self.channels_channel_model_0, 0)) self.connect((self.blocks_delay_0, 0), (self.blocks_repack_bits_bb_0, 0)) self.connect((self.blocks_multiply_conjugate_cc_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0)) self.connect((self.blocks_multiply_conjugate_cc_0, 0), (self.digital_psk_demod_0, 0)) self.connect((self.blocks_multiply_conjugate_cc_0, 0), (self.qtgui_const_sink_x_0, 0)) self.connect((self.blocks_multiply_conjugate_cc_0, 0), (self.qtgui_freq_sink_x_1, 0)) self.connect((self.blocks_multiply_xx_0, 0), (self.blocks_add_xx_0, 0)) self.connect((self.blocks_multiply_xx_0_0, 0), (self.blocks_multiply_xx_0, 1)) self.connect((self.blocks_multiply_xx_1, 0), (self.blocks_multiply_conjugate_cc_0, 1)) self.connect((self.blocks_multiply_xx_1, 0), (self.qtgui_freq_sink_x_0, 0)) self.connect((self.blocks_repack_bits_bb_0, 0), (self.blocks_skiphead_0, 0)) self.connect((self.blocks_skiphead_0, 0), (self.sync_decoder, 0)) self.connect((self.blocks_throttle_0, 0), (self.blks2_error_rate_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.blocks_uchar_to_float_0_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.repeat_first_byte, 0)) self.connect((self.blocks_uchar_to_float_0, 0), (self.qtgui_time_sink_x_0_0, 1)) self.connect((self.blocks_uchar_to_float_0, 0), (self.qtgui_time_sink_x_0_0_0, 0)) self.connect((self.blocks_uchar_to_float_0_0, 0), (self.qtgui_time_sink_x_0_0, 0)) self.connect((self.channels_channel_model_0, 0), (self.band_pass_filter_0, 0)) self.connect((self.channels_channel_model_0, 0), (self.band_pass_filter_0_0, 0)) self.connect((self.channels_channel_model_0, 0), (self.qtgui_freq_sink_x_0, 2)) self.connect((self.digital_cma_equalizer_cc_0, 0), (self.Post_CMA_Eq_Cons, 0)) self.connect((self.digital_cma_equalizer_cc_0, 0), (self.Post_CMA_Equalizer_Freq, 0)) self.connect((self.digital_cma_equalizer_cc_0, 0), (self.digital_costas_loop_cc_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.Post_Costas_Loop_Cons, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.Post_Costas_Loop_Freq, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.Post_Polyphase_Clock_Cons, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_cma_equalizer_cc_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.qtgui_freq_sink_x_0_0, 0)) self.connect((self.digital_psk_demod_0, 0), (self.blocks_delay_0, 0)) self.connect((self.digital_psk_mod_0, 0), (self.blocks_multiply_xx_0, 0)) self.connect((self.digital_psk_mod_0, 0), (self.qtgui_const_sink_x_0, 1)) self.connect((self.digital_psk_mod_0, 0), (self.qtgui_freq_sink_x_1, 1)) self.connect((self.get_first_byte, 0), (self.qtgui_number_sink_0, 0)) self.connect((self.repeat_first_byte, 0), (self.sync_encoder, 0)) self.connect((self.sync_decoder, 0), (self.Video_Sink, 0)) self.connect((self.sync_decoder, 0), (self.blks2_error_rate_0, 1)) self.connect((self.sync_decoder, 0), (self.blocks_uchar_to_float_0, 0)) self.connect((self.sync_decoder, 0), (self.get_first_byte, 0)) self.connect((self.sync_encoder, 0), (self.digital_psk_mod_0, 0))
def __init__(self, samp_rate=10000): gr.hier_block2.__init__( self, "Sync Radio Hier Grc", gr.io_signaturev(2, 2, [gr.sizeof_char*1, gr.sizeof_gr_complex*1]), gr.io_signaturev(2, 2, [gr.sizeof_char*1, gr.sizeof_gr_complex*1]), ) ################################################## # Parameters ################################################## self.samp_rate = samp_rate ################################################## # Variables ################################################## self.sync_word2 = sync_word2 = [0j,0j,0j,0j,0j,0j,0j,0j,0j,0j,0j,0j,0j,0j,0j,0j,(1+0j),(-1+0j),(-1+0j),(-1+0j),(1+0j),(-1+0j),(1+0j),(-1+0j),(-1+0j),(-1+0j),(-1+0j),(-1+0j),(-1+0j),(-1+0j),(-1+0j),(1+0j),0j,(1+0j),(-1+0j),(1+0j),(1+0j),(1+0j),(-1+0j),(1+0j),(1+0j),(1+0j),(-1+0j),(1+0j),(1+0j),(1+0j),(1+0j),(-1+0j),0j,0j,0j,0j,0j,0j,0j,0j,0j,0j,0j,0j,0j,0j,0j,0j] self.sync_word1 = sync_word1 = [0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,1.42,0.0,-1.42,0.0,1.42,0.0,1.42,0.0,1.42,0.0,1.42,0.0,-1.42,0.0,1.42,0.0,1.42,0.0,-1.42,0.0,1.42,0.0,1.42,0.0,1.42,0.0,-1.42,0.0,1.42,0.0,1.42,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0] self.pilot_symbols = pilot_symbols = ((1, -1,),) self.pilot_carriers = pilot_carriers = ((-13, 12,),) self.payload_mod = payload_mod = digital.constellation_qpsk() self.packet_length_tag_key = packet_length_tag_key = "packet_len" self.occupied_carriers = occupied_carriers = ([-16, -15, -14, -12, -11, -10, -9, -8, -7, -6, -5, -4, -3, -2, -1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 15],) self.length_tag_key = length_tag_key = "frame_len" self.header_mod = header_mod = digital.constellation_bpsk() self.fft_len = fft_len = (len(sync_word1)+len(sync_word2))/2 self.rolloff = rolloff = 0 self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_simpledfe(fft_len, payload_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols, 1) self.len_ocup_carr = len_ocup_carr = len(occupied_carriers[0]) self.header_formatter = header_formatter = digital.packet_header_ofdm(occupied_carriers, n_syms=1, len_tag_key=packet_length_tag_key, frame_len_tag_key=length_tag_key, bits_per_header_sym=header_mod.bits_per_symbol(), bits_per_payload_sym=payload_mod.bits_per_symbol(), scramble_header=True) self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe(fft_len, header_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols) self.forward_OOB = forward_OOB = [0.005277622700213007, 0.03443705907448985, 0.1214101788557494, 0.29179662246081545, 0.52428014905364, 0.7350677973792328, 0.8210395030022875, 0.7350677973792348, 0.5242801490536404, 0.291796622460816, 0.1214101788557501, 0.03443705907448997, 0.005277622700213012] self.feedback_OOB = feedback_OOB = [1.0, -1.0455317889337852, 3.9201525346250072, -3.9114761684448958, 6.54266144224035, -5.737287389902878, 5.820328302284336, -4.134700802700442, 2.7949972248757664, -1.4584448495689168, 0.6358650797085171, -0.19847981428665007, 0.04200458351675313] self.cp_len = cp_len = fft_len/4 self.active_carriers = active_carriers = len(occupied_carriers[0])+4 ################################################## # Blocks ################################################## self.iir_filter_xxx_1 = filter.iir_filter_ccd((forward_OOB), (feedback_OOB), False) self.fft_vxx_txpath = fft.fft_vcc(fft_len, False, (()), True, 1) self.fft_vxx_2_rxpath = fft.fft_vcc(fft_len, True, (), True, 1) self.fft_vxx_1_rxpath = fft.fft_vcc(fft_len, True, (()), True, 1) self.digital_packet_headerparser_b_rxpath = digital.packet_headerparser_b(header_formatter.base()) self.digital_packet_headergenerator_bb_txpath = digital.packet_headergenerator_bb(header_formatter.formatter(), "packet_len") self.digital_ofdm_sync_sc_cfb_rxpath = digital.ofdm_sync_sc_cfb(fft_len, fft_len/4, False) self.digital_ofdm_serializer_vcc_payload_rxpath = digital.ofdm_serializer_vcc(fft_len, occupied_carriers, length_tag_key, packet_length_tag_key, 1, "", True) self.digital_ofdm_serializer_vcc_header_rxpath = digital.ofdm_serializer_vcc(fft_len, occupied_carriers, length_tag_key, "", 0, "", True) self.digital_ofdm_frame_equalizer_vcvc_2_rxpath = digital.ofdm_frame_equalizer_vcvc(payload_equalizer.base(), cp_len, length_tag_key, True, 0) self.digital_ofdm_frame_equalizer_vcvc_1_rxpath = digital.ofdm_frame_equalizer_vcvc(header_equalizer.base(), cp_len, length_tag_key, True, 1) self.digital_ofdm_cyclic_prefixer_txpath = digital.ofdm_cyclic_prefixer(fft_len, fft_len+cp_len, rolloff, packet_length_tag_key) (self.digital_ofdm_cyclic_prefixer_txpath).set_min_output_buffer(24000) self.digital_ofdm_chanest_vcvc_rxpath = digital.ofdm_chanest_vcvc((sync_word1), (sync_word2), 1, 0, 3, False) self.digital_ofdm_carrier_allocator_cvc_txpath = digital.ofdm_carrier_allocator_cvc(fft_len, occupied_carriers, pilot_carriers, pilot_symbols, (sync_word1, sync_word2), packet_length_tag_key) (self.digital_ofdm_carrier_allocator_cvc_txpath).set_min_output_buffer(16000) self.digital_header_payload_demux_rxpath = digital.header_payload_demux( 3, fft_len, cp_len, length_tag_key, "", True, gr.sizeof_gr_complex, "rx_time", samp_rate, (), ) #self.digital_crc32_bb_txpath = digital.crc32_bb(False, packet_length_tag_key) #self.digital_crc32_bb_rxpath = digital.crc32_bb(True, packet_length_tag_key) self.digital_constellation_decoder_cb_1_rxpath = digital.constellation_decoder_cb(payload_mod.base()) self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(header_mod.base()) self.digital_chunks_to_symbols_x_txpath = digital.chunks_to_symbols_bc((payload_mod.points()), 1) self.digital_chunks_to_symbols_txpath = digital.chunks_to_symbols_bc((header_mod.points()), 1) self.blocks_tagged_stream_mux_txpath = blocks.tagged_stream_mux(gr.sizeof_gr_complex*1, packet_length_tag_key, 0) (self.blocks_tagged_stream_mux_txpath).set_min_output_buffer(16000) self.blocks_tag_gate_txpath = blocks.tag_gate(gr.sizeof_gr_complex * 1, False) self.blocks_repack_bits_bb_txpath = blocks.repack_bits_bb(8, payload_mod.bits_per_symbol(), packet_length_tag_key, False) self.blocks_repack_bits_bb_rxpath = blocks.repack_bits_bb(payload_mod.bits_per_symbol(), 8, packet_length_tag_key, True) self.blocks_multiply_xx_rxpath = blocks.multiply_vcc(1) self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((.01, )) self.blocks_delay_rxpath = blocks.delay(gr.sizeof_gr_complex*1, fft_len+fft_len/4) self.analog_frequency_modulator_fc_rxpath = analog.frequency_modulator_fc(-2.0/fft_len) self.analog_agc2_xx_0 = analog.agc2_cc(1e-1, 1e-2, 1.0, 1.0) self.analog_agc2_xx_0.set_max_gain(65536) ################################################## # Connections ################################################## self.connect((self.digital_ofdm_sync_sc_cfb_rxpath, 0), (self.analog_frequency_modulator_fc_rxpath, 0)) self.connect((self.analog_agc2_xx_0, 0), (self.digital_ofdm_sync_sc_cfb_rxpath, 0)) self.connect((self.analog_agc2_xx_0, 0), (self.blocks_delay_rxpath, 0)) self.connect((self.digital_packet_headergenerator_bb_txpath, 0), (self.digital_chunks_to_symbols_txpath, 0)) self.connect((self.blocks_repack_bits_bb_txpath, 0), (self.digital_chunks_to_symbols_x_txpath, 0)) self.connect((self.digital_chunks_to_symbols_txpath, 0), (self.blocks_tagged_stream_mux_txpath, 0)) self.connect((self.digital_chunks_to_symbols_x_txpath, 0), (self.blocks_tagged_stream_mux_txpath, 1)) self.connect((self.digital_ofdm_cyclic_prefixer_txpath, 0), (self.blocks_tag_gate_txpath, 0)) self.connect((self.fft_vxx_txpath, 0), (self.digital_ofdm_cyclic_prefixer_txpath, 0)) self.connect((self.blocks_tagged_stream_mux_txpath, 0), (self.digital_ofdm_carrier_allocator_cvc_txpath, 0)) self.connect((self.digital_ofdm_carrier_allocator_cvc_txpath, 0), (self.fft_vxx_txpath, 0)) self.connect((self.digital_header_payload_demux_rxpath, 0), (self.fft_vxx_1_rxpath, 0)) self.connect((self.fft_vxx_1_rxpath, 0), (self.digital_ofdm_chanest_vcvc_rxpath, 0)) self.connect((self.digital_ofdm_frame_equalizer_vcvc_1_rxpath, 0), (self.digital_ofdm_serializer_vcc_header_rxpath, 0)) self.connect((self.digital_ofdm_chanest_vcvc_rxpath, 0), (self.digital_ofdm_frame_equalizer_vcvc_1_rxpath, 0)) self.connect((self.digital_header_payload_demux_rxpath, 1), (self.fft_vxx_2_rxpath, 0)) self.connect((self.digital_ofdm_frame_equalizer_vcvc_2_rxpath, 0), (self.digital_ofdm_serializer_vcc_payload_rxpath, 0)) self.connect((self.fft_vxx_2_rxpath, 0), (self.digital_ofdm_frame_equalizer_vcvc_2_rxpath, 0)) self.connect((self.digital_ofdm_serializer_vcc_payload_rxpath, 0), (self.digital_constellation_decoder_cb_1_rxpath, 0)) self.connect((self.digital_constellation_decoder_cb_1_rxpath, 0), (self.blocks_repack_bits_bb_rxpath, 0)) self.connect((self.digital_ofdm_serializer_vcc_header_rxpath, 0), (self.digital_constellation_decoder_cb_0, 0)) self.connect((self.analog_frequency_modulator_fc_rxpath, 0), (self.blocks_multiply_xx_rxpath, 0)) self.connect((self.digital_ofdm_sync_sc_cfb_rxpath, 1), (self.digital_header_payload_demux_rxpath, 1)) self.connect((self.blocks_multiply_xx_rxpath, 0), (self.digital_header_payload_demux_rxpath, 0)) self.connect((self.blocks_delay_rxpath, 0), (self.blocks_multiply_xx_rxpath, 1)) self.connect((self.digital_constellation_decoder_cb_0, 0), (self.digital_packet_headerparser_b_rxpath, 0)) self.connect((self, 1), (self.analog_agc2_xx_0, 0)) self.connect((self.blocks_tag_gate_txpath, 0), (self.blocks_multiply_const_vxx_0, 0)) self.connect((self.iir_filter_xxx_1, 0), (self, 1)) ''' self.connect((self, 0), (self.digital_crc32_bb_txpath, 0)) self.connect((self.digital_crc32_bb_txpath, 0), (self.blocks_repack_bits_bb_txpath, 0)) self.connect((self.digital_crc32_bb_txpath, 0), (self.digital_packet_headergenerator_bb_txpath, 0)) ''' self.connect((self, 0), (self.blocks_repack_bits_bb_txpath, 0)) self.connect((self, 0), (self.digital_packet_headergenerator_bb_txpath, 0)) ''' self.connect((self.blocks_repack_bits_bb_rxpath, 0), (self.digital_crc32_bb_rxpath, 0)) self.connect((self.digital_crc32_bb_rxpath, 0), (self, 0)) ''' self.connect((self.blocks_repack_bits_bb_rxpath, 0), (self, 0)) self.connect((self.blocks_multiply_const_vxx_0, 0), (self.iir_filter_xxx_1, 0)) ################################################## # Asynch Message Connections ################################################## self.msg_connect(self.digital_packet_headerparser_b_rxpath, "header_data", self.digital_header_payload_demux_rxpath, "header_data")
def __init__(self): gr.hier_block2.__init__(self, "ofdm_tx", gr.io_signature(1, 1, gr.sizeof_gr_complex), gr.io_signature(1, 1, gr.sizeof_char)) self.constellationP = helpers.get_constellation(settings.PAYLOAD_BPS) self.constellationH = helpers.get_constellation(settings.HEADER_BPS) detector = digital.ofdm_sync_sc_cfb(symbol_settings.get_fft_length(), symbol_settings.get_cp_length(), True) self.connect((detector, 0), blocks.file_sink(gr.sizeof_float, "offset.dat")) delayer = blocks.delay(gr.sizeof_gr_complex, symbol_settings.get_time_length_of_symbol() + 5) oscillator = analog.frequency_modulator_fc( -2.0 / symbol_settings.get_fft_length()) splitter = digital.header_payload_demux( 3, symbol_settings.get_fft_length(), symbol_settings.get_cp_length(), settings.LENGTH_TAG_KEY, "", True, ) mixer = blocks.multiply_cc() self.connect( mixer, blocks.file_sink(gr.sizeof_gr_complex, "mixer_output.dat")) header_fft = fft.fft_vcc(symbol_settings.get_fft_length(), True, (), True) chanest = digital.ofdm_chanest_vcvc(SYNC_ONE, SYNC_TWO, 1) #self.connect((chanest, 1),blocks.file_sink(gr.sizeof_gr_complex * symbol_settings.get_fft_length(), 'channel-estimate.dat')) header_equalizer = digital.ofdm_equalizer_simpledfe( symbol_settings.get_fft_length(), self.constellationH.base(), symbol_settings.get_carrier_tones(), symbol_settings.get_pilot_tones(), SYM_PILOT, symbols_skipped=0, ) header_eq = digital.ofdm_frame_equalizer_vcvc( header_equalizer.base(), symbol_settings.get_cp_length(), settings.LENGTH_TAG_KEY, True, 1 # Header is 1 symbol long ) header_serializer = digital.ofdm_serializer_vcc( symbol_settings.get_fft_length(), symbol_settings.get_carrier_tones(), settings.LENGTH_TAG_KEY) header_demod = digital.constellation_decoder_cb( self.constellationH.base()) header_repack = blocks.repack_bits_bb(settings.HEADER_BPS, 8, settings.LENGTH_TAG_KEY, True) scramblerH = digital.digital.additive_scrambler_bb( 0x8a, settings.SCRAMBLED_SEED, 7, 0, bits_per_byte=8, reset_tag_key=settings.LENGTH_HEADER_KEY) self.connect(scramblerH, blocks.file_sink(gr.sizeof_char, "header.dat")) parser = ownHeader.parse_header_bb(settings.LENGTH_HEADER_KEY, settings.LENGTH_TAG_KEY, 3, 1, 0) framer_0 = framer.blk(6, settings.LENGTH_HEADER_KEY) sender = ownHeader.send_to_multiplexer_b(settings.LENGTH_HEADER_KEY) payload_fft = fft.fft_vcc(symbol_settings.get_fft_length(), True, (), True) payload_equalizer = digital.ofdm_equalizer_simpledfe( symbol_settings.get_fft_length(), self.constellationP.base(), symbol_settings.get_carrier_tones(), symbol_settings.get_pilot_tones(), SYM_PILOT, symbols_skipped=1, # (that was already in the header) alpha=0.1) #self.connect(mixer, blocks.tag_debug(gr.sizeof_gr_complex, "header")) #self.connect(payload_fft, blocks.tag_debug(gr.sizeof_gr_complex*64, "payload")) payload_eq = digital.ofdm_frame_equalizer_vcvc( payload_equalizer.base(), symbol_settings.get_cp_length(), settings.LENGTH_TAG_KEY) payload_serializer = digital.ofdm_serializer_vcc( symbol_settings.get_fft_length(), symbol_settings.get_carrier_tones(), settings.LENGTH_TAG_KEY, settings.LENGTH_PACKET_KEY, 1 # Skip 1 symbol (that was already in the header) ) payload_demod = digital.constellation_decoder_cb( self.constellationP.base()) payload_descrambler = digital.additive_scrambler_bb( 0x8a, settings.SCRAMBLED_SEED, 7, 0, # Don't reset after fixed length bits_per_byte=8, # This is after packing reset_tag_key=settings.LENGTH_PACKET_KEY) payload_pack = blocks.repack_bits_bb(settings.PAYLOAD_BPS, 8, settings.LENGTH_PACKET_KEY, True) crc = digital.crc32_bb(True, settings.LENGTH_PACKET_KEY) gate = blocks.tag_gate(gr.sizeof_gr_complex, False) """ detecting the the preamble """ self.connect(self, detector) self.connect(self, delayer, (mixer, 0)) self.connect(gate, (splitter, 0)) self.connect(mixer, gate) #self.connect(delayer, (splitter,0)) self.connect((detector, 0), oscillator, (mixer, 1)) self.connect((detector, 1), (splitter, 1)) #header handling stream """ parse the header data """ self.connect((splitter, 0), header_fft, chanest, header_eq, header_serializer, header_demod, header_repack, framer_0, scramblerH, parser, sender) self.msg_connect(sender, "header", splitter, "header_data") #feedback to the demux #data handler stream """ retrieve the data """ self.connect((splitter, 1), payload_fft, payload_eq, payload_serializer, payload_demod, payload_pack, payload_descrambler, crc, self)
def __init__(self, baudrate=1200, default_input=0, default_ip_0='127.0.0.1', default_port_0=5000, freq=437.5e6, samp_rate_tx=1000000, sdr_dev='uhd=0'): gr.top_block.__init__(self, "GFSK TX") ################################################## # Parameters ################################################## self.baudrate = baudrate self.default_input = default_input self.default_ip_0 = default_ip_0 self.default_port_0 = default_port_0 self.freq = freq self.samp_rate_tx = samp_rate_tx self.sdr_dev = sdr_dev ################################################## # Variables ################################################## self.sps = sps = 20 self.deviation = deviation = 3200 self.samp_rate = samp_rate = sps * baudrate self.mod_index = mod_index = (1.0 * deviation) / (1.0 * baudrate) / 0.5 self.bps = bps = 1 ################################################## # Blocks ################################################## self.rational_resampler_xxx_0 = filter.rational_resampler_ccc( interpolation=samp_rate_tx, decimation=samp_rate, taps=None, fractional_bw=None, ) self.osmosdr_sink_0 = osmosdr.sink(args="numchan=" + str(1) + " " + sdr_dev) self.osmosdr_sink_0.set_sample_rate(samp_rate_tx) self.osmosdr_sink_0.set_center_freq(freq, 0) self.osmosdr_sink_0.set_freq_corr(0, 0) self.osmosdr_sink_0.set_gain(30, 0) self.osmosdr_sink_0.set_if_gain(20, 0) self.osmosdr_sink_0.set_bb_gain(20, 0) self.osmosdr_sink_0.set_antenna('', 0) self.osmosdr_sink_0.set_bandwidth(0, 0) self.digital_gfsk_mod_0 = digital.gfsk_mod( samples_per_symbol=sps, sensitivity=(3.141593 * mod_index) / sps, bt=0.5, verbose=False, log=False, ) self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb( 4, 1, "", False, gr.GR_MSB_FIRST) self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_char * 1) self.blks2_tcp_source_0 = grc_blks2.tcp_source( itemsize=gr.sizeof_char * 1, addr=default_ip_0, port=default_port_0, server=True, ) self.blks2_selector_0 = grc_blks2.selector( item_size=gr.sizeof_char * 1, num_inputs=2, num_outputs=2, input_index=default_input, output_index=0, ) ################################################## # Connections ################################################## self.connect((self.blks2_selector_0, 1), (self.blocks_null_sink_0, 0)) self.connect((self.blks2_selector_0, 0), (self.digital_gfsk_mod_0, 0)) self.connect((self.blks2_tcp_source_0, 0), (self.blks2_selector_0, 0)) self.connect((self.blks2_tcp_source_0, 0), (self.blocks_repack_bits_bb_0, 0)) self.connect((self.blocks_repack_bits_bb_0, 0), (self.blks2_selector_0, 1)) self.connect((self.digital_gfsk_mod_0, 0), (self.rational_resampler_xxx_0, 0)) self.connect((self.rational_resampler_xxx_0, 0), (self.osmosdr_sink_0, 0))
def __init__(self): gr.top_block.__init__(self, "Testing Ce") Qt.QWidget.__init__(self) self.setWindowTitle("Testing Ce") qtgui.util.check_set_qss() try: self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc')) except: pass self.top_scroll_layout = Qt.QVBoxLayout() self.setLayout(self.top_scroll_layout) self.top_scroll = Qt.QScrollArea() self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame) self.top_scroll_layout.addWidget(self.top_scroll) self.top_scroll.setWidgetResizable(True) self.top_widget = Qt.QWidget() self.top_scroll.setWidget(self.top_widget) self.top_layout = Qt.QVBoxLayout(self.top_widget) self.top_grid_layout = Qt.QGridLayout() self.top_layout.addLayout(self.top_grid_layout) self.settings = Qt.QSettings("GNU Radio", "testing_ce") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Variables ################################################## self.sps = sps = 4 self.nfilts = nfilts = 32 self.eb = eb = 0.22 self.tx_rrc_taps = tx_rrc_taps = firdes.root_raised_cosine(nfilts, nfilts, 1.0, eb, 5*sps*nfilts) self.pld_const = pld_const = digital.constellation_rect(([0.707+0.707j, -0.707+0.707j, -0.707-0.707j, 0.707-0.707j]), ([0, 1, 3, 2]), 4, 2, 2, 1, 1).base() self.pld_const.gen_soft_dec_lut(8) self.taps_per_filt = taps_per_filt = len(tx_rrc_taps)/nfilts self.samp_rate_array_MCR = samp_rate_array_MCR = [7500000,5000000,3750000,3000000,2500000,2000000,1500000,1000000,937500,882352,833333,714285,533333,500000,421052,400000,380952] self.rxmod = rxmod = digital.generic_mod(pld_const, False, sps, True, eb, False, False) self.rrc_taps = rrc_taps = firdes.root_raised_cosine(sps, sps, 1.0, eb, 11*sps) self.ac_hex = ac_hex = [0xac, 0xdd, 0xa4, 0xe2, 0xf2, 0x8c, 0x20, 0xfc] self.variable_qtgui_range_0_1 = variable_qtgui_range_0_1 = 39 self.variable_qtgui_range_0 = variable_qtgui_range_0 = 50 self.samp_rate = samp_rate = samp_rate_array_MCR[15] self.rx_rrc_taps = rx_rrc_taps = firdes.root_raised_cosine(nfilts, nfilts*sps, 1.0, eb, 11*sps*nfilts) self.rx_psf_taps = rx_psf_taps = firdes.root_raised_cosine(nfilts, sps*nfilts, 1.0, eb, 11*sps*nfilts) self.modulated_sync_word = modulated_sync_word = digital.modulate_vector_bc(rxmod .to_basic_block(), (ac_hex), ([1])) self.mark_delay = mark_delay = 87 self.frequencia_usrp = frequencia_usrp = 484e6 self.filt_delay_0 = filt_delay_0 = 1+(taps_per_filt-1)/2 self.filt_delay = filt_delay = 1+(len(rrc_taps)-1)/2 self.MCR = MCR = "master_clock_rate=60e6" ################################################## # Blocks ################################################## self._variable_qtgui_range_0_1_range = Range(0, 73, 1, 39, 200) self._variable_qtgui_range_0_1_win = RangeWidget(self._variable_qtgui_range_0_1_range, self.set_variable_qtgui_range_0_1, 'Gain_RX', "counter_slider", float) self.top_grid_layout.addWidget(self._variable_qtgui_range_0_1_win, 0, 2, 1, 1) for r in range(0, 1): self.top_grid_layout.setRowStretch(r, 1) for c in range(2, 3): self.top_grid_layout.setColumnStretch(c, 1) self._variable_qtgui_range_0_range = Range(0, 90, 1, 50, 200) self._variable_qtgui_range_0_win = RangeWidget(self._variable_qtgui_range_0_range, self.set_variable_qtgui_range_0, 'Gain_TX', "counter_slider", float) self.top_grid_layout.addWidget(self._variable_qtgui_range_0_win, 0, 1, 1, 1) for r in range(0, 1): self.top_grid_layout.setRowStretch(r, 1) for c in range(1, 2): self.top_grid_layout.setColumnStretch(c, 1) self.uhd_usrp_source_0 = uhd.usrp_source( ",".join(("serial=F5EAC0", MCR)), uhd.stream_args( cpu_format="fc32", channels=range(1), ), ) self.uhd_usrp_source_0.set_samp_rate(samp_rate) self.uhd_usrp_source_0.set_time_now(uhd.time_spec(time.time()), uhd.ALL_MBOARDS) self.uhd_usrp_source_0.set_center_freq(frequencia_usrp, 0) self.uhd_usrp_source_0.set_gain(variable_qtgui_range_0_1, 0) self.uhd_usrp_source_0.set_antenna('RX2', 0) self.uhd_usrp_source_0.set_auto_dc_offset(True, 0) self.uhd_usrp_source_0.set_auto_iq_balance(True, 0) self.uhd_usrp_sink_0_0 = uhd.usrp_sink( ",".join(("serial=F5EAE1", MCR)), uhd.stream_args( cpu_format="fc32", channels=range(1), ), ) self.uhd_usrp_sink_0_0.set_samp_rate(samp_rate) self.uhd_usrp_sink_0_0.set_time_now(uhd.time_spec(time.time()), uhd.ALL_MBOARDS) self.uhd_usrp_sink_0_0.set_center_freq(frequencia_usrp, 0) self.uhd_usrp_sink_0_0.set_gain(variable_qtgui_range_0, 0) self.uhd_usrp_sink_0_0.set_antenna('TX/RX', 0) self.qtgui_time_sink_x_1_0 = qtgui.time_sink_c( 1024, #size samp_rate, #samp_rate "RX USRP", #name 1 #number of inputs ) self.qtgui_time_sink_x_1_0.set_update_time(0.10) self.qtgui_time_sink_x_1_0.set_y_axis(-1, 1) self.qtgui_time_sink_x_1_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_1_0.enable_tags(-1, True) self.qtgui_time_sink_x_1_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_1_0.enable_autoscale(False) self.qtgui_time_sink_x_1_0.enable_grid(False) self.qtgui_time_sink_x_1_0.enable_axis_labels(True) self.qtgui_time_sink_x_1_0.enable_control_panel(False) self.qtgui_time_sink_x_1_0.enable_stem_plot(False) if not True: self.qtgui_time_sink_x_1_0.disable_legend() labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "blue"] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(2): if len(labels[i]) == 0: if(i % 2 == 0): self.qtgui_time_sink_x_1_0.set_line_label(i, "Re{{Data {0}}}".format(i/2)) else: self.qtgui_time_sink_x_1_0.set_line_label(i, "Im{{Data {0}}}".format(i/2)) else: self.qtgui_time_sink_x_1_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_1_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_1_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_1_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_1_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_1_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_1_0_win = sip.wrapinstance(self.qtgui_time_sink_x_1_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_1_0_win, 1, 4, 1, 1) for r in range(1, 2): self.top_grid_layout.setRowStretch(r, 1) for c in range(4, 5): self.top_grid_layout.setColumnStretch(c, 1) self.qtgui_time_sink_x_1 = qtgui.time_sink_c( 1024, #size samp_rate, #samp_rate "TX USRP", #name 1 #number of inputs ) self.qtgui_time_sink_x_1.set_update_time(0.10) self.qtgui_time_sink_x_1.set_y_axis(-1, 1) self.qtgui_time_sink_x_1.set_y_label('Amplitude', "") self.qtgui_time_sink_x_1.enable_tags(-1, True) self.qtgui_time_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_1.enable_autoscale(False) self.qtgui_time_sink_x_1.enable_grid(False) self.qtgui_time_sink_x_1.enable_axis_labels(True) self.qtgui_time_sink_x_1.enable_control_panel(False) self.qtgui_time_sink_x_1.enable_stem_plot(False) if not True: self.qtgui_time_sink_x_1.disable_legend() labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "blue"] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(2): if len(labels[i]) == 0: if(i % 2 == 0): self.qtgui_time_sink_x_1.set_line_label(i, "Re{{Data {0}}}".format(i/2)) else: self.qtgui_time_sink_x_1.set_line_label(i, "Im{{Data {0}}}".format(i/2)) else: self.qtgui_time_sink_x_1.set_line_label(i, labels[i]) self.qtgui_time_sink_x_1.set_line_width(i, widths[i]) self.qtgui_time_sink_x_1.set_line_color(i, colors[i]) self.qtgui_time_sink_x_1.set_line_style(i, styles[i]) self.qtgui_time_sink_x_1.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_1.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_1_win = sip.wrapinstance(self.qtgui_time_sink_x_1.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_1_win, 1, 3, 1, 1) for r in range(1, 2): self.top_grid_layout.setRowStretch(r, 1) for c in range(3, 4): self.top_grid_layout.setColumnStretch(c, 1) self.qtgui_time_sink_x_0_1 = qtgui.time_sink_f( 100*2, #size samp_rate, #samp_rate 'Rx Data', #name 1 #number of inputs ) self.qtgui_time_sink_x_0_1.set_update_time(0.10) self.qtgui_time_sink_x_0_1.set_y_axis(-1, 256) self.qtgui_time_sink_x_0_1.set_y_label('Amplitude', "") self.qtgui_time_sink_x_0_1.enable_tags(-1, True) self.qtgui_time_sink_x_0_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, 'packet_length_tag_key') self.qtgui_time_sink_x_0_1.enable_autoscale(True) self.qtgui_time_sink_x_0_1.enable_grid(True) self.qtgui_time_sink_x_0_1.enable_axis_labels(True) self.qtgui_time_sink_x_0_1.enable_control_panel(False) self.qtgui_time_sink_x_0_1.enable_stem_plot(False) if not True: self.qtgui_time_sink_x_0_1.disable_legend() labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "blue"] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.qtgui_time_sink_x_0_1.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_time_sink_x_0_1.set_line_label(i, labels[i]) self.qtgui_time_sink_x_0_1.set_line_width(i, widths[i]) self.qtgui_time_sink_x_0_1.set_line_color(i, colors[i]) self.qtgui_time_sink_x_0_1.set_line_style(i, styles[i]) self.qtgui_time_sink_x_0_1.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_0_1.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_0_1_win = sip.wrapinstance(self.qtgui_time_sink_x_0_1.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_1_win, 2, 3, 1, 1) for r in range(2, 3): self.top_grid_layout.setRowStretch(r, 1) for c in range(3, 4): self.top_grid_layout.setColumnStretch(c, 1) self.qtgui_time_sink_x_0_0_0 = qtgui.time_sink_f( 512, #size 1, #samp_rate "", #name 1 #number of inputs ) self.qtgui_time_sink_x_0_0_0.set_update_time(0.10) self.qtgui_time_sink_x_0_0_0.set_y_axis(-100, 4000) self.qtgui_time_sink_x_0_0_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_0_0_0.enable_tags(-1, True) self.qtgui_time_sink_x_0_0_0.set_trigger_mode(qtgui.TRIG_MODE_TAG, qtgui.TRIG_SLOPE_POS, 0, 15, 0, 'corr_est') self.qtgui_time_sink_x_0_0_0.enable_autoscale(False) self.qtgui_time_sink_x_0_0_0.enable_grid(False) self.qtgui_time_sink_x_0_0_0.enable_axis_labels(True) self.qtgui_time_sink_x_0_0_0.enable_control_panel(False) self.qtgui_time_sink_x_0_0_0.enable_stem_plot(False) if not False: self.qtgui_time_sink_x_0_0_0.disable_legend() labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "blue"] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.qtgui_time_sink_x_0_0_0.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_time_sink_x_0_0_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_0_0_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_0_0_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_0_0_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_0_0_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_0_0_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_0_0_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0_0_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_0_0_win, 3, 2, 1, 1) for r in range(3, 4): self.top_grid_layout.setRowStretch(r, 1) for c in range(2, 3): self.top_grid_layout.setColumnStretch(c, 1) self.qtgui_time_sink_x_0_0 = qtgui.time_sink_c( 512, #size 1, #samp_rate "", #name 1 #number of inputs ) self.qtgui_time_sink_x_0_0.set_update_time(0.10) self.qtgui_time_sink_x_0_0.set_y_axis(-100, 100) self.qtgui_time_sink_x_0_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_0_0.enable_tags(-1, True) self.qtgui_time_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_TAG, qtgui.TRIG_SLOPE_POS, 0, 15, 0, 'corr_est') self.qtgui_time_sink_x_0_0.enable_autoscale(False) self.qtgui_time_sink_x_0_0.enable_grid(False) self.qtgui_time_sink_x_0_0.enable_axis_labels(True) self.qtgui_time_sink_x_0_0.enable_control_panel(False) self.qtgui_time_sink_x_0_0.enable_stem_plot(False) if not False: self.qtgui_time_sink_x_0_0.disable_legend() labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "blue"] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(2): if len(labels[i]) == 0: if(i % 2 == 0): self.qtgui_time_sink_x_0_0.set_line_label(i, "Re{{Data {0}}}".format(i/2)) else: self.qtgui_time_sink_x_0_0.set_line_label(i, "Im{{Data {0}}}".format(i/2)) else: self.qtgui_time_sink_x_0_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_0_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_0_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_0_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_0_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_0_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_0_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_0_win, 2, 2, 1, 1) for r in range(2, 3): self.top_grid_layout.setRowStretch(r, 1) for c in range(2, 3): self.top_grid_layout.setColumnStretch(c, 1) self.qtgui_const_sink_x_0_0_0_1 = qtgui.const_sink_c( 1024, #size "RX Constellation", #name 1 #number of inputs ) self.qtgui_const_sink_x_0_0_0_1.set_update_time(0.10) self.qtgui_const_sink_x_0_0_0_1.set_y_axis(-2, 2) self.qtgui_const_sink_x_0_0_0_1.set_x_axis(-2, 2) self.qtgui_const_sink_x_0_0_0_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.qtgui_const_sink_x_0_0_0_1.enable_autoscale(False) self.qtgui_const_sink_x_0_0_0_1.enable_grid(False) self.qtgui_const_sink_x_0_0_0_1.enable_axis_labels(True) if not True: self.qtgui_const_sink_x_0_0_0_1.disable_legend() labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "red", "red", "red", "red", "red", "red", "red", "red"] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.qtgui_const_sink_x_0_0_0_1.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_const_sink_x_0_0_0_1.set_line_label(i, labels[i]) self.qtgui_const_sink_x_0_0_0_1.set_line_width(i, widths[i]) self.qtgui_const_sink_x_0_0_0_1.set_line_color(i, colors[i]) self.qtgui_const_sink_x_0_0_0_1.set_line_style(i, styles[i]) self.qtgui_const_sink_x_0_0_0_1.set_line_marker(i, markers[i]) self.qtgui_const_sink_x_0_0_0_1.set_line_alpha(i, alphas[i]) self._qtgui_const_sink_x_0_0_0_1_win = sip.wrapinstance(self.qtgui_const_sink_x_0_0_0_1.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_0_0_1_win, 2, 1, 1, 1) for r in range(2, 3): self.top_grid_layout.setRowStretch(r, 1) for c in range(1, 2): self.top_grid_layout.setColumnStretch(c, 1) self.qtgui_const_sink_x_0_0_0_0 = qtgui.const_sink_c( 1024, #size "TX Constellation", #name 1 #number of inputs ) self.qtgui_const_sink_x_0_0_0_0.set_update_time(0.10) self.qtgui_const_sink_x_0_0_0_0.set_y_axis(-2, 2) self.qtgui_const_sink_x_0_0_0_0.set_x_axis(-2, 2) self.qtgui_const_sink_x_0_0_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.qtgui_const_sink_x_0_0_0_0.enable_autoscale(False) self.qtgui_const_sink_x_0_0_0_0.enable_grid(False) self.qtgui_const_sink_x_0_0_0_0.enable_axis_labels(True) if not True: self.qtgui_const_sink_x_0_0_0_0.disable_legend() labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "red", "red", "red", "red", "red", "red", "red", "red"] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.qtgui_const_sink_x_0_0_0_0.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_const_sink_x_0_0_0_0.set_line_label(i, labels[i]) self.qtgui_const_sink_x_0_0_0_0.set_line_width(i, widths[i]) self.qtgui_const_sink_x_0_0_0_0.set_line_color(i, colors[i]) self.qtgui_const_sink_x_0_0_0_0.set_line_style(i, styles[i]) self.qtgui_const_sink_x_0_0_0_0.set_line_marker(i, markers[i]) self.qtgui_const_sink_x_0_0_0_0.set_line_alpha(i, alphas[i]) self._qtgui_const_sink_x_0_0_0_0_win = sip.wrapinstance(self.qtgui_const_sink_x_0_0_0_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_0_0_0_win, 1, 2, 1, 1) for r in range(1, 2): self.top_grid_layout.setRowStretch(r, 1) for c in range(2, 3): self.top_grid_layout.setColumnStretch(c, 1) self.qtgui_const_sink_x_0 = qtgui.const_sink_c( 512, #size "", #name 1 #number of inputs ) self.qtgui_const_sink_x_0.set_update_time(0.10) self.qtgui_const_sink_x_0.set_y_axis(-2, 2) self.qtgui_const_sink_x_0.set_x_axis(-2, 2) self.qtgui_const_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.qtgui_const_sink_x_0.enable_autoscale(False) self.qtgui_const_sink_x_0.enable_grid(False) self.qtgui_const_sink_x_0.enable_axis_labels(True) if not False: self.qtgui_const_sink_x_0.disable_legend() labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "red", "red", "red", "red", "red", "red", "red", "red"] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.qtgui_const_sink_x_0.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_const_sink_x_0.set_line_label(i, labels[i]) self.qtgui_const_sink_x_0.set_line_width(i, widths[i]) self.qtgui_const_sink_x_0.set_line_color(i, colors[i]) self.qtgui_const_sink_x_0.set_line_style(i, styles[i]) self.qtgui_const_sink_x_0.set_line_marker(i, markers[i]) self.qtgui_const_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_const_sink_x_0_win = sip.wrapinstance(self.qtgui_const_sink_x_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_win, 1, 1, 1, 1) for r in range(1, 2): self.top_grid_layout.setRowStretch(r, 1) for c in range(1, 2): self.top_grid_layout.setColumnStretch(c, 1) self.pfb_arb_resampler_xxx_0 = pfb.arb_resampler_ccf( sps, taps=(tx_rrc_taps), flt_size=nfilts) self.pfb_arb_resampler_xxx_0.declare_sample_delay(filt_delay) self.digital_pfb_clock_sync_xxx_0_0 = digital.pfb_clock_sync_ccf(sps, 6.28/400.0, (rx_rrc_taps), nfilts, nfilts/2, 1.5, 1) self.digital_map_bb_0_0 = digital.map_bb((pld_const.pre_diff_code())) self.digital_map_bb_0 = digital.map_bb((pld_const.pre_diff_code())) self.digital_costas_loop_cc_0_0 = digital.costas_loop_cc(6.28/100.0, pld_const.arity(), False) self.digital_correlate_access_code_xx_ts_0_0 = digital.correlate_access_code_bb_ts(digital.packet_utils.default_access_code, 1, 'packet_len') self.digital_corr_est_cc_0 = digital.corr_est_cc((modulated_sync_word), sps, mark_delay, 0.99) self.digital_constellation_decoder_cb_0_0 = digital.constellation_decoder_cb(pld_const) self.digital_chunks_to_symbols_xx_0_0 = digital.chunks_to_symbols_bc((pld_const.points()), 1) self.blocks_stream_mux_0_1_0 = blocks.stream_mux(gr.sizeof_char*1, (96, 896)) self.blocks_repack_bits_bb_2 = blocks.repack_bits_bb(1, 8, '', False, gr.GR_MSB_FIRST) self.blocks_repack_bits_bb_1 = blocks.repack_bits_bb(8, 1, '', False, gr.GR_MSB_FIRST) self.blocks_repack_bits_bb_0_1 = blocks.repack_bits_bb(1, pld_const.bits_per_symbol(), '', False, gr.GR_MSB_FIRST) self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb(pld_const.bits_per_symbol(), 1, '', False, gr.GR_MSB_FIRST) self.blocks_multiply_const_vxx_1 = blocks.multiply_const_vcc((0.7, )) self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char*1, '/home/andre/Desktop/Trasmited/trasmit_10_mb.txt', False) self.blocks_file_source_0.set_begin_tag(pmt.PMT_NIL) self.blocks_file_sink_0_0_0_2 = blocks.file_sink(gr.sizeof_char*1, '/home/andre/Desktop/Trasmited/depois.txt', False) self.blocks_file_sink_0_0_0_2.set_unbuffered(False) self.blocks_complex_to_mag_squared_0 = blocks.complex_to_mag_squared(1) self.blocks_char_to_float_1_0_1 = blocks.char_to_float(1, 1) self.acode_1104 = blocks.vector_source_b([0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0], True, 1, []) ################################################## # Connections ################################################## self.connect((self.acode_1104, 0), (self.blocks_stream_mux_0_1_0, 0)) self.connect((self.blocks_char_to_float_1_0_1, 0), (self.qtgui_time_sink_x_0_1, 0)) self.connect((self.blocks_complex_to_mag_squared_0, 0), (self.qtgui_time_sink_x_0_0_0, 0)) self.connect((self.blocks_file_source_0, 0), (self.blocks_repack_bits_bb_1, 0)) self.connect((self.blocks_multiply_const_vxx_1, 0), (self.qtgui_const_sink_x_0_0_0_0, 0)) self.connect((self.blocks_multiply_const_vxx_1, 0), (self.qtgui_time_sink_x_1, 0)) self.connect((self.blocks_multiply_const_vxx_1, 0), (self.uhd_usrp_sink_0_0, 0)) self.connect((self.blocks_repack_bits_bb_0, 0), (self.digital_correlate_access_code_xx_ts_0_0, 0)) self.connect((self.blocks_repack_bits_bb_0_1, 0), (self.digital_map_bb_0, 0)) self.connect((self.blocks_repack_bits_bb_1, 0), (self.blocks_stream_mux_0_1_0, 1)) self.connect((self.blocks_repack_bits_bb_2, 0), (self.blocks_file_sink_0_0_0_2, 0)) self.connect((self.blocks_stream_mux_0_1_0, 0), (self.blocks_repack_bits_bb_0_1, 0)) self.connect((self.digital_chunks_to_symbols_xx_0_0, 0), (self.pfb_arb_resampler_xxx_0, 0)) self.connect((self.digital_constellation_decoder_cb_0_0, 0), (self.digital_map_bb_0_0, 0)) self.connect((self.digital_corr_est_cc_0, 1), (self.blocks_complex_to_mag_squared_0, 0)) self.connect((self.digital_corr_est_cc_0, 0), (self.digital_pfb_clock_sync_xxx_0_0, 0)) self.connect((self.digital_corr_est_cc_0, 1), (self.qtgui_time_sink_x_0_0, 0)) self.connect((self.digital_correlate_access_code_xx_ts_0_0, 0), (self.blocks_char_to_float_1_0_1, 0)) self.connect((self.digital_correlate_access_code_xx_ts_0_0, 0), (self.blocks_repack_bits_bb_2, 0)) self.connect((self.digital_costas_loop_cc_0_0, 0), (self.digital_constellation_decoder_cb_0_0, 0)) self.connect((self.digital_costas_loop_cc_0_0, 0), (self.qtgui_const_sink_x_0, 0)) self.connect((self.digital_map_bb_0, 0), (self.digital_chunks_to_symbols_xx_0_0, 0)) self.connect((self.digital_map_bb_0_0, 0), (self.blocks_repack_bits_bb_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0_0, 0), (self.digital_costas_loop_cc_0_0, 0)) self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.blocks_multiply_const_vxx_1, 0)) self.connect((self.uhd_usrp_source_0, 0), (self.digital_corr_est_cc_0, 0)) self.connect((self.uhd_usrp_source_0, 0), (self.qtgui_const_sink_x_0_0_0_1, 0)) self.connect((self.uhd_usrp_source_0, 0), (self.qtgui_time_sink_x_1_0, 0))
def create_payload_blocks(self): self.repack_bits_payload = blocks.repack_bits_bb(8, self.payload_const.bits_per_symbol(), self.len_tag_key, True, gr.GR_LSB_FIRST) self.payload_modulation = digital.chunks_to_symbols_bc(self.payload_const.points(), 1)
def __init__(self): gr.top_block.__init__(self, "Simulator Ofdm") Qt.QWidget.__init__(self) self.setWindowTitle("Simulator Ofdm") qtgui.util.check_set_qss() try: self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc')) except: pass self.top_scroll_layout = Qt.QVBoxLayout() self.setLayout(self.top_scroll_layout) self.top_scroll = Qt.QScrollArea() self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame) self.top_scroll_layout.addWidget(self.top_scroll) self.top_scroll.setWidgetResizable(True) self.top_widget = Qt.QWidget() self.top_scroll.setWidget(self.top_widget) self.top_layout = Qt.QVBoxLayout(self.top_widget) self.top_grid_layout = Qt.QGridLayout() self.top_layout.addLayout(self.top_grid_layout) self.settings = Qt.QSettings("GNU Radio", "simulator_ofdm") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Variables ################################################## self.samp_rate = samp_rate = 5000000 self.packet_len = packet_len = 2**9 self.occupied_carriers_all = occupied_carriers_all = (range(-26, 27), ) self.fft_len = fft_len = 2**6 self.zeropadding_fac = zeropadding_fac = 2 self.velocity = velocity = 500 self.value_range = value_range = 100 self.v_max = v_max = 2000 self.transpose_len = transpose_len = int( np.ceil(packet_len * 4.0 / len(occupied_carriers_all[0]))) self.sync_word2 = sync_word2 = [ 0, 0, 0, 0, 0, 0, -1, -1, -1, -1, 1, 1, -1, -1, -1, 1, -1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, 1, -1, -1, 1, -1, 0, 1, -1, 1, 1, 1, -1, 1, 1, 1, -1, 1, 1, 1, 1, -1, 1, -1, -1, -1, 1, -1, 1, -1, -1, -1, -1, 0, 0, 0, 0, 0 ] self.sync_word1 = sync_word1 = [ 0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 0., 0., 0., 0., 0. ] self.pilot_symbols = pilot_symbols = (( 1, 1, 1, -1, ), ) self.pilot_carriers = pilot_carriers = (( -21, -7, 7, 21, ), ) self.payload_mod = payload_mod = digital.constellation_qpsk() self.occupied_carriers = occupied_carriers = ( range(-26, -21) + range(-20, -7) + range(-6, 0) + range(1, 7) + range(8, 21) + range(22, 27), ) self.length_tag_key = length_tag_key = "packet_len" self.discarded_carriers = discarded_carriers = [] self.center_freq = center_freq = 2.45e9 self.R_max = R_max = 3e8 / 2 / samp_rate * fft_len ################################################## # Blocks ################################################## self._velocity_range = Range(-v_max, v_max, 1, 500, 200) self._velocity_win = RangeWidget(self._velocity_range, self.set_velocity, 'Velocity', "counter_slider", float) self.top_grid_layout.addWidget(self._velocity_win, 0, 1, 1, 1) for r in range(0, 1): self.top_grid_layout.setRowStretch(r, 1) for c in range(1, 2): self.top_grid_layout.setColumnStretch(c, 1) self._value_range_range = Range(0.1, R_max, 1, 100, 200) self._value_range_win = RangeWidget(self._value_range_range, self.set_value_range, 'range', "counter_slider", float) self.top_grid_layout.addWidget(self._value_range_win, 0, 0, 1, 1) for r in range(0, 1): self.top_grid_layout.setRowStretch(r, 1) for c in range(0, 1): self.top_grid_layout.setColumnStretch(c, 1) self.radar_transpose_matrix_vcvc_0_0 = radar.transpose_matrix_vcvc( transpose_len, fft_len * zeropadding_fac, "packet_len") (self.radar_transpose_matrix_vcvc_0_0).set_min_output_buffer(78) self.radar_transpose_matrix_vcvc_0 = radar.transpose_matrix_vcvc( fft_len * zeropadding_fac, transpose_len, "packet_len") (self.radar_transpose_matrix_vcvc_0).set_min_output_buffer(256) self.radar_static_target_simulator_cc_0 = radar.static_target_simulator_cc( (value_range, ), (velocity, ), (1e25, ), (0, ), (0, ), samp_rate, center_freq, -10, True, True, "packet_len") (self.radar_static_target_simulator_cc_0).set_min_output_buffer(6240) self.radar_qtgui_spectrogram_plot_0 = radar.qtgui_spectrogram_plot( fft_len * zeropadding_fac, 500, 'value_range', 'Velocity', 'OFDM Radar', (0, R_max), (0, v_max), (-15, -12), True, "packet_len") self.radar_print_results_0 = radar.print_results(False, "") self.radar_os_cfar_2d_vc_0 = radar.os_cfar_2d_vc( fft_len * zeropadding_fac, (10, 10), (0, 0), 0.78, 30, "packet_len") self.radar_ofdm_divide_vcvc_0 = radar.ofdm_divide_vcvc( fft_len, (fft_len - len(discarded_carriers)) * zeropadding_fac, (()), 0, "packet_len") (self.radar_ofdm_divide_vcvc_0).set_min_output_buffer(78) self.radar_ofdm_cyclic_prefix_remover_cvc_0 = radar.ofdm_cyclic_prefix_remover_cvc( fft_len, fft_len / 4, "packet_len") (self.radar_ofdm_cyclic_prefix_remover_cvc_0).set_min_output_buffer(78) self.radar_estimator_ofdm_0 = radar.estimator_ofdm( 'range', fft_len * zeropadding_fac, (0, R_max), 'velocity', transpose_len, (0, v_max, -v_max, 0), True) self.fft_vxx_0_1_0 = fft.fft_vcc( transpose_len, False, (window.blackmanharris(transpose_len)), False, 1) self.fft_vxx_0_1 = fft.fft_vcc( fft_len * zeropadding_fac, True, (window.blackmanharris(fft_len * zeropadding_fac)), False, 1) self.fft_vxx_0_0 = fft.fft_vcc(fft_len, True, (()), True, 1) (self.fft_vxx_0_0).set_min_output_buffer(78) self.fft_vxx_0 = fft.fft_vcc(fft_len, False, (()), True, 1) self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer( fft_len, fft_len + fft_len / 4, 0, length_tag_key) (self.digital_ofdm_cyclic_prefixer_0).set_min_output_buffer(6240) self.digital_ofdm_carrier_allocator_cvc_0 = digital.ofdm_carrier_allocator_cvc( fft_len, occupied_carriers_all, ((), ), ((), ), (), length_tag_key) (self.digital_ofdm_carrier_allocator_cvc_0).set_min_output_buffer(78) self.digital_chunks_to_symbols_xx_0_0 = digital.chunks_to_symbols_bc( (payload_mod.points()), 1) (self.digital_chunks_to_symbols_xx_0_0).set_min_output_buffer(4096) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char * 1, samp_rate, True) self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream( gr.sizeof_char, 1, packet_len, length_tag_key) self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb( 8, payload_mod.bits_per_symbol(), length_tag_key, False, gr.GR_LSB_FIRST) self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_float * fft_len * zeropadding_fac) self.blocks_nlog10_ff_0 = blocks.nlog10_ff(1, fft_len * zeropadding_fac, 0) self.blocks_complex_to_mag_squared_0 = blocks.complex_to_mag_squared( fft_len * zeropadding_fac) self.blocks_add_xx_0 = blocks.add_vcc(1) self.analog_random_source_x_0 = blocks.vector_source_b( map(int, numpy.random.randint(0, 255, 1000)), True) self.analog_noise_source_x_0 = analog.noise_source_c( analog.GR_GAUSSIAN, 0.1, 0) ################################################## # Connections ################################################## self.msg_connect((self.radar_estimator_ofdm_0, 'Msg out'), (self.radar_print_results_0, 'Msg in')) self.msg_connect((self.radar_os_cfar_2d_vc_0, 'Msg out'), (self.radar_estimator_ofdm_0, 'Msg in')) self.connect((self.analog_noise_source_x_0, 0), (self.blocks_add_xx_0, 0)) self.connect((self.analog_random_source_x_0, 0), (self.blocks_throttle_0, 0)) self.connect((self.blocks_add_xx_0, 0), (self.radar_ofdm_cyclic_prefix_remover_cvc_0, 0)) self.connect((self.blocks_complex_to_mag_squared_0, 0), (self.blocks_nlog10_ff_0, 0)) self.connect((self.blocks_nlog10_ff_0, 0), (self.blocks_null_sink_0, 0)) self.connect((self.blocks_nlog10_ff_0, 0), (self.radar_qtgui_spectrogram_plot_0, 0)) self.connect((self.blocks_repack_bits_bb_0, 0), (self.digital_chunks_to_symbols_xx_0_0, 0)) self.connect((self.blocks_stream_to_tagged_stream_0, 0), (self.blocks_repack_bits_bb_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.blocks_stream_to_tagged_stream_0, 0)) self.connect((self.digital_chunks_to_symbols_xx_0_0, 0), (self.digital_ofdm_carrier_allocator_cvc_0, 0)) self.connect((self.digital_ofdm_carrier_allocator_cvc_0, 0), (self.fft_vxx_0, 0)) self.connect((self.digital_ofdm_carrier_allocator_cvc_0, 0), (self.radar_ofdm_divide_vcvc_0, 0)) self.connect((self.digital_ofdm_cyclic_prefixer_0, 0), (self.radar_static_target_simulator_cc_0, 0)) self.connect((self.fft_vxx_0, 0), (self.digital_ofdm_cyclic_prefixer_0, 0)) self.connect((self.fft_vxx_0_0, 0), (self.radar_ofdm_divide_vcvc_0, 1)) self.connect((self.fft_vxx_0_1, 0), (self.radar_transpose_matrix_vcvc_0, 0)) self.connect((self.fft_vxx_0_1_0, 0), (self.radar_transpose_matrix_vcvc_0_0, 0)) self.connect((self.radar_ofdm_cyclic_prefix_remover_cvc_0, 0), (self.fft_vxx_0_0, 0)) self.connect((self.radar_ofdm_divide_vcvc_0, 0), (self.fft_vxx_0_1, 0)) self.connect((self.radar_static_target_simulator_cc_0, 0), (self.blocks_add_xx_0, 1)) self.connect((self.radar_transpose_matrix_vcvc_0, 0), (self.fft_vxx_0_1_0, 0)) self.connect((self.radar_transpose_matrix_vcvc_0_0, 0), (self.blocks_complex_to_mag_squared_0, 0)) self.connect((self.radar_transpose_matrix_vcvc_0_0, 0), (self.radar_os_cfar_2d_vc_0, 0))
def __init__(self, fft_len = 64, cp_len = 16, nofdm_symbols = 10, nofdm_frames = 1, ofdm_symbol_scale = 1, constellation = digital.constellation_bpsk(), occupied_carriers = (range(-26, -21) + range(-20, -7) + range(-6, 0) + range(1, 7) + range(8, 21) + range(22, 27),), pilot_carriers = ((-21, -7, 7, 21),), pilot_symbols = tuple([(1, -1, 1, -1),]), seq_seed = 42, debug = False ): gr.hier_block2.__init__(self, "ofdm_receive_frames_cb", gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature gr.io_signature(1, 1, gr.sizeof_char)) # Output signature # ===================================================================== # Generate class-members # ===================================================================== self._def_occupied_carriers = occupied_carriers self._def_pilot_carriers = pilot_carriers self._def_pilot_symbols = pilot_symbols self._seq_seed = seq_seed self.fft_len = fft_len self.cp_len = cp_len self.ofdm_symbol_scale = ofdm_symbol_scale self.constellation = constellation self.packet_len_tag = "packet_length" self.frame_len_tag_key = "frame_length" self.nofdm_symbols = nofdm_symbols self.nofdm_frames = nofdm_frames self.debug = debug # ===================================================================== # Create all blocks # ===================================================================== # TODO: rename some blocks sync_detect = digital.ofdm_sync_sc_cfb( fft_len = fft_len, cp_len = cp_len ) delay = blocks.delay(gr.sizeof_gr_complex, self.fft_len+self.cp_len) oscillator = analog.frequency_modulator_fc(-2.0 / self.fft_len) mixer = blocks.multiply_cc() frames = mimoots.ofdm_extract_frame_cvc( fft_len = self.fft_len, cp_len = self.cp_len, nsymbols_per_ofdmframe = self.nofdm_symbols+2 # +2 Sync-Words ) fft_payload = fft.fft_vcc( fft_size = self.fft_len, forward = True, window = (), shift = True ) chanest = digital.ofdm_chanest_vcvc( sync_symbol1 = utils.ofdm_make_sync_word1(self.fft_len, self._def_occupied_carriers, self._def_pilot_carriers), sync_symbol2 = utils.ofdm_make_sync_word2(self.fft_len, self._def_occupied_carriers, self._def_pilot_carriers), n_data_symbols = self.nofdm_symbols ) payload_equalizer = digital.ofdm_equalizer_simpledfe( fft_len = self.fft_len, constellation = self.constellation.base(), occupied_carriers = self._def_occupied_carriers, pilot_carriers = self._def_pilot_carriers, pilot_symbols = self._def_pilot_symbols, symbols_skipped = 0, ) payload_eq = digital.ofdm_frame_equalizer_vcvc( equalizer = payload_equalizer.base(), cp_len = cp_len, len_tag_key = self.frame_len_tag_key, propagate_channel_state = True, fixed_frame_len = self.nofdm_symbols ) # doesn't accept names of parameters payload_serializer = digital.ofdm_serializer_vcc( self.fft_len, # fft_len = self._def_occupied_carriers, # occupied_carriers = self.frame_len_tag_key, # len_tag_key = self.packet_len_tag, # packet_len_tag = 0 # symbolsskipped = ) payload_demod = digital.constellation_decoder_cb( constellation = self.constellation.base() ) payload_pack = blocks.repack_bits_bb( k = self.constellation.bits_per_symbol(), l = 8, len_tag_key = self.packet_len_tag, align_output = True ) # ===================================================================== # Connect all blocks # ===================================================================== # TODO: Clean up graph self.connect(self, sync_detect) self.connect((sync_detect,0), oscillator, (mixer,0)) self.connect((self,0), delay, (mixer,1)) self.connect((sync_detect,1), (frames,1)) self.connect(mixer, (frames,0), fft_payload, chanest, payload_eq, payload_serializer, payload_demod, payload_pack, self) # ===================================================================== # Debug-Output # ===================================================================== if self.debug == True: self.connect(self, blocks.file_sink(gr.sizeof_gr_complex, 'receive-self.dat')) self.connect((sync_detect,0), blocks.file_sink(gr.sizeof_float, 'receive-sync_detect-0.dat')) self.connect((sync_detect,1), blocks.file_sink(gr.sizeof_char, 'receive-sync_detect-1.dat')) self.connect(mixer, blocks.file_sink(gr.sizeof_gr_complex, 'receive-mixer.dat')) self.connect(frames, blocks.file_sink(fft_len*gr.sizeof_gr_complex, 'receive-frames.dat')) self.connect(fft_payload, blocks.file_sink(self.fft_len*gr.sizeof_gr_complex, 'receive-fft_payload.dat')) self.connect(chanest, blocks.file_sink(self.fft_len*gr.sizeof_gr_complex, 'receive-chanest.dat')) self.connect(payload_eq, blocks.file_sink(self.fft_len*gr.sizeof_gr_complex, 'receive-payload_eq.dat')) self.connect(payload_serializer, blocks.file_sink(gr.sizeof_char*8, 'receive-payload_serializer.dat'))
def __init__(self): grc_wxgui.top_block_gui.__init__(self, title="OFDM Tx") _icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png" self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY)) ################################################## # Variables ################################################## self.occupied_carriers = occupied_carriers = (range(-26, -21) + range(-20, -7) + range(-6, 0) + range(1, 7) + range(8, 21) + range(22, 27),) self.length_tag_name = length_tag_name = "packet_len" self.sync_word2 = sync_word2 = (0, 0, 0, 0, 0, 1, 1, -1.0, -1, 1.0, 1, 1.0, -1, -1.0, -1, 1.0, 1, -1.0, 1, 1.0, 1, -1.0, -1, -1.0, -1, 1.0, -1, 1.0, -1, 1.0, 1, -1.0, 0, 1.0, 1, -1.0, 1, 1.0, -1, -1.0, 1, -1.0, -1, -1.0, 1, 1.0, 1, -1.0, 1, 1.0, -1, 1.0, -1, -1.0, -1, 1.0, 1, -1.0, 0, 0, 0, 0, 0, 0) self.sync_word1 = sync_word1 = (0, 0, 0, 0, 0, 0, 0, -1.0, 0, 1.0, 0, 1.0, 0, -1.0, 0, 1.0, 0, -1.0, 0, 1.0, 0, -1.0, 0, -1.0, 0, 1.0, 0, 1.0, 0, 1.0, 0, -1.0, 0, 1.0, 0, -1.0, 0, 1.0, 0, -1.0, 0, -1.0, 0, -1.0, 0, 1.0, 0, -1.0, 0, 1.0, 0, 1.0, 0, -1.0, 0, 1.0, 0, -1.0, 0, 0, 0, 0, 0, 0) self.samp_rate = samp_rate = 100000 self.rolloff = rolloff = 0 self.pilot_symbols = pilot_symbols = ((1, 1, 1, -1,),) self.pilot_carriers = pilot_carriers = ((-21, -7, 7, 21,),) self.payload_mod = payload_mod = digital.constellation_qpsk() self.packet_len = packet_len = 96 self.header_mod = header_mod = digital.constellation_bpsk() self.header_formatter = header_formatter = digital.packet_header_ofdm(occupied_carriers, 1, length_tag_name) self.fft_len = fft_len = 64 ################################################## # Blocks ################################################## self.wxgui_scopesink2_0 = scopesink2.scope_sink_c( self.GetWin(), title="Scope Plot", sample_rate=samp_rate, v_scale=0, v_offset=0, t_scale=0, ac_couple=False, xy_mode=False, num_inputs=1, trig_mode=gr.gr_TRIG_MODE_AUTO, y_axis_label="Counts", ) self.Add(self.wxgui_scopesink2_0.win) self.wxgui_fftsink2_0 = fftsink2.fft_sink_c( self.GetWin(), baseband_freq=0, y_per_div=10, y_divs=10, ref_level=0, ref_scale=2.0, sample_rate=samp_rate, fft_size=1024, fft_rate=15, average=False, avg_alpha=None, title="FFT Plot", peak_hold=False, ) self.Add(self.wxgui_fftsink2_0.win) self.fft_vxx_0 = fft.fft_vcc(fft_len, False, (), False, 1) self.digital_packet_headergenerator_bb_0 = digital.packet_headergenerator_bb(header_formatter.formatter()) self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer(fft_len, fft_len+fft_len/4, rolloff, length_tag_name) self.digital_ofdm_carrier_allocator_cvc_0 = digital.ofdm_carrier_allocator_cvc(fft_len, occupied_carriers, pilot_carriers, pilot_symbols, length_tag_name) self.digital_crc32_bb_0 = digital.crc32_bb(False, length_tag_name) self.digital_chunks_to_symbols_xx_0_0 = digital.chunks_to_symbols_bc((payload_mod.points()), 1) self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc((header_mod.points()), 1) self.blocks_vector_source_x_1 = blocks.vector_source_c(tuple(numpy.array(sync_word1) * numpy.sqrt(2)) + sync_word2, True, fft_len, tagged_streams.make_lengthtags((2,), (0,), length_tag_name)) self.blocks_vector_source_x_0 = blocks.vector_source_b(range(packet_len), True, 1, tagged_streams.make_lengthtags((packet_len,), (0,), length_tag_name)) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate) self.blocks_tagged_stream_mux_1 = blocks.tagged_stream_mux(gr.sizeof_gr_complex*fft_len, length_tag_name) self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux(gr.sizeof_gr_complex*1, length_tag_name) self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb(8, payload_mod.bits_per_symbol(), length_tag_name, False) self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((0.05, )) ################################################## # Connections ################################################## self.connect((self.blocks_repack_bits_bb_0, 0), (self.digital_chunks_to_symbols_xx_0_0, 0)) self.connect((self.digital_packet_headergenerator_bb_0, 0), (self.digital_chunks_to_symbols_xx_0, 0)) self.connect((self.digital_crc32_bb_0, 0), (self.digital_packet_headergenerator_bb_0, 0)) self.connect((self.digital_crc32_bb_0, 0), (self.blocks_repack_bits_bb_0, 0)) self.connect((self.blocks_vector_source_x_0, 0), (self.digital_crc32_bb_0, 0)) self.connect((self.digital_chunks_to_symbols_xx_0_0, 0), (self.blocks_tagged_stream_mux_0, 1)) self.connect((self.digital_chunks_to_symbols_xx_0, 0), (self.blocks_tagged_stream_mux_0, 0)) self.connect((self.digital_ofdm_cyclic_prefixer_0, 0), (self.blocks_multiply_const_vxx_0, 0)) self.connect((self.digital_ofdm_carrier_allocator_cvc_0, 0), (self.blocks_tagged_stream_mux_1, 1)) self.connect((self.blocks_tagged_stream_mux_1, 0), (self.fft_vxx_0, 0)) self.connect((self.fft_vxx_0, 0), (self.digital_ofdm_cyclic_prefixer_0, 0)) self.connect((self.blocks_tagged_stream_mux_0, 0), (self.digital_ofdm_carrier_allocator_cvc_0, 0)) self.connect((self.blocks_vector_source_x_1, 0), (self.blocks_tagged_stream_mux_1, 0)) self.connect((self.blocks_multiply_const_vxx_0, 0), (self.wxgui_fftsink2_0, 0)) self.connect((self.blocks_multiply_const_vxx_0, 0), (self.blocks_throttle_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.wxgui_scopesink2_0, 0))
def __init__(self, fft_len=_def_fft_len, cp_len=_def_cp_len, frame_length_tag_key=_def_frame_length_tag_key, packet_length_tag_key=_def_packet_length_tag_key, packet_num_tag_key=_def_packet_num_tag_key, occupied_carriers=_def_occupied_carriers, pilot_carriers=_def_pilot_carriers, pilot_symbols=_def_pilot_symbols, bps_header=1, bps_payload=1, sync_word1=None, sync_word2=None, debug_log=False, scramble_bits=False ): gr.hier_block2.__init__(self, "ofdm_rx", gr.io_signature(1, 1, gr.sizeof_gr_complex), gr.io_signature(1, 1, gr.sizeof_char)) ### Param init / sanity check ######################################## self.fft_len = fft_len self.cp_len = cp_len self.frame_length_tag_key = frame_length_tag_key self.packet_length_tag_key = packet_length_tag_key self.occupied_carriers = occupied_carriers self.bps_header = bps_header self.bps_payload = bps_payload n_sync_words = 1 if sync_word1 is None: self.sync_word1 = _make_sync_word1(fft_len, occupied_carriers, pilot_carriers) else: if len(sync_word1) != self.fft_len: raise ValueError("Length of sync sequence(s) must be FFT length.") self.sync_word1 = sync_word1 self.sync_word2 = () if sync_word2 is None: self.sync_word2 = _make_sync_word2(fft_len, occupied_carriers, pilot_carriers) n_sync_words = 2 elif len(sync_word2): if len(sync_word2) != fft_len: raise ValueError("Length of sync sequence(s) must be FFT length.") self.sync_word2 = sync_word2 n_sync_words = 2 if scramble_bits: self.scramble_seed = 0x7f else: self.scramble_seed = 0x00 # We deactivate the scrambler by init'ing it with zeros ### Sync ############################################################ sync_detect = digital.ofdm_sync_sc_cfb(fft_len, cp_len) delay = blocks.delay(gr.sizeof_gr_complex, fft_len+cp_len) oscillator = analog.frequency_modulator_fc(-2.0 / fft_len) mixer = blocks.multiply_cc() hpd = digital.header_payload_demux( n_sync_words+1, # Number of OFDM symbols before payload (sync + 1 sym header) fft_len, cp_len, # FFT length, guard interval frame_length_tag_key, # Frame length tag key "", # We're not using trigger tags True # One output item is one OFDM symbol (False would output complex scalars) ) self.connect(self, sync_detect) self.connect(self, delay, (mixer, 0), (hpd, 0)) self.connect((sync_detect, 0), oscillator, (mixer, 1)) self.connect((sync_detect, 1), (hpd, 1)) if debug_log: self.connect((sync_detect, 0), blocks.file_sink(gr.sizeof_float, 'freq-offset.dat')) self.connect((sync_detect, 1), blocks.file_sink(gr.sizeof_char, 'sync-detect.dat')) ### Header demodulation ############################################## header_fft = fft.fft_vcc(self.fft_len, True, (), True) chanest = digital.ofdm_chanest_vcvc(self.sync_word1, self.sync_word2, 1) header_constellation = _get_constellation(bps_header) header_equalizer = digital.ofdm_equalizer_simpledfe( fft_len, header_constellation.base(), occupied_carriers, pilot_carriers, pilot_symbols, symbols_skipped=0, ) header_eq = digital.ofdm_frame_equalizer_vcvc( header_equalizer.base(), cp_len, self.frame_length_tag_key, True, 1 # Header is 1 symbol long ) header_serializer = digital.ofdm_serializer_vcc( fft_len, occupied_carriers, self.frame_length_tag_key ) header_demod = digital.constellation_decoder_cb(header_constellation.base()) header_formatter = digital.packet_header_ofdm( occupied_carriers, 1, packet_length_tag_key, frame_length_tag_key, packet_num_tag_key, bps_header, bps_payload, scramble_header=scramble_bits ) header_parser = digital.packet_headerparser_b(header_formatter.formatter()) self.connect( (hpd, 0), header_fft, chanest, header_eq, header_serializer, header_demod, header_parser ) self.msg_connect(header_parser, "header_data", hpd, "header_data") if debug_log: self.connect((chanest, 1), blocks.file_sink(gr.sizeof_gr_complex * fft_len, 'channel-estimate.dat')) self.connect((chanest, 0), blocks.file_sink(gr.sizeof_gr_complex * fft_len, 'post-hdr-chanest.dat')) self.connect((chanest, 0), blocks.tag_debug(gr.sizeof_gr_complex * fft_len, 'post-hdr-chanest')) self.connect(header_eq, blocks.file_sink(gr.sizeof_gr_complex * fft_len, 'post-hdr-eq.dat')) self.connect(header_serializer, blocks.file_sink(gr.sizeof_gr_complex, 'post-hdr-serializer.dat')) self.connect(header_descrambler, blocks.file_sink(1, 'post-hdr-demod.dat')) ### Payload demod #################################################### payload_fft = fft.fft_vcc(self.fft_len, True, (), True) payload_constellation = _get_constellation(bps_payload) payload_equalizer = digital.ofdm_equalizer_simpledfe( fft_len, payload_constellation.base(), occupied_carriers, pilot_carriers, pilot_symbols, symbols_skipped=1, # (that was already in the header) alpha=0.1 ) payload_eq = digital.ofdm_frame_equalizer_vcvc( payload_equalizer.base(), cp_len, self.frame_length_tag_key ) payload_serializer = digital.ofdm_serializer_vcc( fft_len, occupied_carriers, self.frame_length_tag_key, self.packet_length_tag_key, 1 # Skip 1 symbol (that was already in the header) ) payload_demod = digital.constellation_decoder_cb(payload_constellation.base()) self.payload_descrambler = digital.additive_scrambler_bb( 0x8a, self.scramble_seed, 7, 0, # Don't reset after fixed length bits_per_byte=8, # This is after packing reset_tag_key=self.packet_length_tag_key ) payload_pack = blocks.repack_bits_bb(bps_payload, 8, self.packet_length_tag_key, True) self.crc = digital.crc32_bb(True, self.packet_length_tag_key) self.connect( (hpd, 1), payload_fft, payload_eq, payload_serializer, payload_demod, payload_pack, self.payload_descrambler, self.crc, self ) if debug_log: self.connect((hpd, 1), blocks.tag_debug(gr.sizeof_gr_complex*fft_len, 'post-hpd')) self.connect(payload_fft, blocks.file_sink(gr.sizeof_gr_complex*fft_len, 'post-payload-fft.dat')) self.connect(payload_eq, blocks.file_sink(gr.sizeof_gr_complex*fft_len, 'post-payload-eq.dat')) self.connect(payload_serializer, blocks.file_sink(gr.sizeof_gr_complex, 'post-payload-serializer.dat')) self.connect(payload_demod, blocks.file_sink(1, 'post-payload-demod.dat')) self.connect(payload_pack, blocks.file_sink(1, 'post-payload-pack.dat')) self.connect(crc, blocks.file_sink(1, 'post-payload-crc.dat'))
def __init__(self, puncpat='11'): gr.top_block.__init__(self, "Top Block") Qt.QWidget.__init__(self) self.setWindowTitle("Top Block") qtgui.util.check_set_qss() try: self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc')) except: pass self.top_scroll_layout = Qt.QVBoxLayout() self.setLayout(self.top_scroll_layout) self.top_scroll = Qt.QScrollArea() self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame) self.top_scroll_layout.addWidget(self.top_scroll) self.top_scroll.setWidgetResizable(True) self.top_widget = Qt.QWidget() self.top_scroll.setWidget(self.top_widget) self.top_layout = Qt.QVBoxLayout(self.top_widget) self.top_grid_layout = Qt.QGridLayout() self.top_layout.addLayout(self.top_grid_layout) self.settings = Qt.QSettings("GNU Radio", "top_block") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Parameters ################################################## self.puncpat = puncpat ################################################## # Variables ################################################## self.sps = sps = 4 self.nfilts = nfilts = 32 self.eb = eb = 0.22 self.H_dec = H_dec = fec.ldpc_H_matrix( '/usr/local/share/gnuradio/fec/ldpc/n_1100_k_0442_gap_24.alist', 24) self.H = H = fec.ldpc_H_matrix( '/usr/local/share/gnuradio/fec/ldpc/n_1100_k_0442_gap_24.alist', 24) self.tx_rrc_taps = tx_rrc_taps = firdes.root_raised_cosine( nfilts, nfilts, 1.0, eb, 5 * sps * nfilts) self.time_offset = time_offset = 1.0 self.samp_rate = samp_rate = 1000000 self.rx_rrc_taps = rx_rrc_taps = firdes.root_raised_cosine( nfilts, nfilts * sps, 1.0, eb, 11 * sps * nfilts) self.rrc_taps = rrc_taps = firdes.root_raised_cosine( nfilts, nfilts, 1.0 / float(sps), 0.35, 11 * sps * nfilts) self.pld_enc = pld_enc = fec.ldpc_par_mtrx_encoder_make_H(H) self.pld_dec = pld_dec = fec.ldpc_bit_flip_decoder.make( H_dec.get_base_sptr(), 100) self.pld_const = pld_const = digital.constellation_rect(([ 0.707 + 0.707j, -0.707 + 0.707j, -0.707 - 0.707j, 0.707 - 0.707j ]), ([0, 1, 3, 2]), 4, 2, 2, 1, 1).base() self.pld_const.gen_soft_dec_lut(8) self.noise = noise = 0.0 self.freq_offset = freq_offset = 0 self.amp = amp = 1.0 ################################################## # Blocks ################################################## self._time_offset_range = Range(0.99, 1.01, 0.00001, 1.0, 200) self._time_offset_win = RangeWidget(self._time_offset_range, self.set_time_offset, 'Time Offset', "counter_slider", float) self.top_grid_layout.addWidget(self._time_offset_win, 0, 2, 1, 1) for r in range(0, 1): self.top_grid_layout.setRowStretch(r, 1) for c in range(2, 3): self.top_grid_layout.setColumnStretch(c, 1) self._noise_range = Range(0, 5, 0.01, 0.0, 200) self._noise_win = RangeWidget(self._noise_range, self.set_noise, 'Noise Amp', "counter_slider", float) self.top_grid_layout.addWidget(self._noise_win, 0, 0, 1, 1) for r in range(0, 1): self.top_grid_layout.setRowStretch(r, 1) for c in range(0, 1): self.top_grid_layout.setColumnStretch(c, 1) self._freq_offset_range = Range(-0.5, 0.5, 0.0001, 0, 200) self._freq_offset_win = RangeWidget(self._freq_offset_range, self.set_freq_offset, 'Freq. Offset', "counter_slider", float) self.top_grid_layout.addWidget(self._freq_offset_win, 0, 1, 1, 1) for r in range(0, 1): self.top_grid_layout.setRowStretch(r, 1) for c in range(1, 2): self.top_grid_layout.setColumnStretch(c, 1) self._amp_range = Range(0, 2, 0.01, 1.0, 200) self._amp_win = RangeWidget(self._amp_range, self.set_amp, 'Amplitude', "counter_slider", float) self.top_grid_layout.addWidget(self._amp_win) self.qtgui_time_sink_x_0_0 = qtgui.time_sink_f( 100 * 2, #size samp_rate, #samp_rate 'Tx Data', #name 1 #number of inputs ) self.qtgui_time_sink_x_0_0.set_update_time(0.10) self.qtgui_time_sink_x_0_0.set_y_axis(-1, 256) self.qtgui_time_sink_x_0_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_0_0.enable_tags(-1, True) self.qtgui_time_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, 'packet_length_tag_key') self.qtgui_time_sink_x_0_0.enable_autoscale(False) self.qtgui_time_sink_x_0_0.enable_grid(True) self.qtgui_time_sink_x_0_0.enable_axis_labels(True) self.qtgui_time_sink_x_0_0.enable_control_panel(False) self.qtgui_time_sink_x_0_0.enable_stem_plot(False) if not True: self.qtgui_time_sink_x_0_0.disable_legend() labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "blue" ] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.qtgui_time_sink_x_0_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_time_sink_x_0_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_0_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_0_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_0_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_0_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_0_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_0_0_win = sip.wrapinstance( self.qtgui_time_sink_x_0_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_0_win) self.qtgui_time_sink_x_0 = qtgui.time_sink_f( 100 * 2, #size samp_rate, #samp_rate 'Rx Data', #name 1 #number of inputs ) self.qtgui_time_sink_x_0.set_update_time(0.10) self.qtgui_time_sink_x_0.set_y_axis(-1, 256) self.qtgui_time_sink_x_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_0.enable_tags(-1, True) self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, 'packet_length_tag_key') self.qtgui_time_sink_x_0.enable_autoscale(True) self.qtgui_time_sink_x_0.enable_grid(True) self.qtgui_time_sink_x_0.enable_axis_labels(True) self.qtgui_time_sink_x_0.enable_control_panel(False) self.qtgui_time_sink_x_0.enable_stem_plot(False) if not True: self.qtgui_time_sink_x_0.disable_legend() labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "blue" ] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.qtgui_time_sink_x_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_time_sink_x_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_0_win = sip.wrapinstance( self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_win) self.fec_extended_encoder_0 = fec.extended_encoder( encoder_obj_list=pld_enc, threading=None, puncpat=puncpat) self.fec_extended_decoder_0_0_1_0_1_0 = fec.extended_decoder( decoder_obj_list=pld_dec, threading=None, ann=None, puncpat=puncpat, integration_period=10000) self.digital_pfb_clock_sync_xxx_0_0 = digital.pfb_clock_sync_ccf( sps, 6.28 / 100.0, (rrc_taps), nfilts, nfilts / 2, 1.5, 2) self.digital_map_bb_0_0_0_0_0 = digital.map_bb(([-1, 1])) self.digital_fll_band_edge_cc_0 = digital.fll_band_edge_cc( sps, eb, 44, 0.05) self.digital_costas_loop_cc_0 = digital.costas_loop_cc( 6.28 / 100.0, pld_const.arity(), False) self.digital_correlate_access_code_xx_ts_0_0 = digital.correlate_access_code_bb_ts( digital.packet_utils.default_access_code, 3, 'packet_len') self.digital_constellation_soft_decoder_cf_0_0 = digital.constellation_soft_decoder_cf( pld_const) self.digital_constellation_modulator_0 = digital.generic_mod( constellation=pld_const, differential=False, samples_per_symbol=sps, pre_diff_code=True, excess_bw=eb, verbose=False, log=False, ) self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc( 15, 1, 0.01, 2) self.digital_binary_slicer_fb_0_0 = digital.binary_slicer_fb() self.channels_channel_model_0 = channels.channel_model( noise_voltage=noise, frequency_offset=freq_offset, epsilon=time_offset, taps=(1.0 + 1.0j, ), noise_seed=0, block_tags=True) self.blocks_vector_source_x_0_0_0 = blocks.vector_source_b([0], True, 1, []) self.blocks_vector_source_x_0 = blocks.vector_source_b([0], True, 1, []) self.blocks_throttle_0_0 = blocks.throttle(gr.sizeof_gr_complex * 1, samp_rate, True) self.blocks_stream_mux_0_1_0 = blocks.stream_mux( gr.sizeof_char * 1, (96, 1104)) self.blocks_stream_mux_0_0 = blocks.stream_mux(gr.sizeof_char * 1, (1100, 4)) self.blocks_stream_mux_0 = blocks.stream_mux(gr.sizeof_char * 1, (440, 2)) self.blocks_repack_bits_bb_1_0_0_1 = blocks.repack_bits_bb( 8, 1, '', False, gr.GR_MSB_FIRST) self.blocks_repack_bits_bb_1_0_0 = blocks.repack_bits_bb( 1, 8, '', False, gr.GR_MSB_FIRST) self.blocks_repack_bits_bb_0_0_0_1_0 = blocks.repack_bits_bb( 1, 8, '', False, gr.GR_MSB_FIRST) self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((amp, )) self.blocks_keep_m_in_n_0_1_1_0 = blocks.keep_m_in_n( gr.sizeof_char, 440, 442, 0) self.blocks_keep_m_in_n_0_0_2_0 = blocks.keep_m_in_n( gr.sizeof_char, 1100, 1104, 0) self.blocks_file_source_0_0_1 = blocks.file_source( gr.sizeof_char * 1, '/home/andre/Desktop/book.txt', False) self.blocks_file_source_0_0_1.set_begin_tag(pmt.PMT_NIL) self.blocks_file_sink_0_0_0 = blocks.file_sink( gr.sizeof_char * 1, '/home/andre/Desktop/transmitido/depois.txt', False) self.blocks_file_sink_0_0_0.set_unbuffered(False) self.blocks_char_to_float_1_0_0 = blocks.char_to_float(1, 1) self.blocks_char_to_float_1_0 = blocks.char_to_float(1, 1) self.blocks_char_to_float_0_2_0_0 = blocks.char_to_float(1, 1) self.acode_1104 = blocks.vector_source_b([ 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0 ], True, 1, []) ################################################## # Connections ################################################## self.connect((self.acode_1104, 0), (self.blocks_stream_mux_0_1_0, 0)) self.connect((self.blocks_char_to_float_0_2_0_0, 0), (self.fec_extended_decoder_0_0_1_0_1_0, 0)) self.connect((self.blocks_char_to_float_1_0, 0), (self.qtgui_time_sink_x_0, 0)) self.connect((self.blocks_char_to_float_1_0_0, 0), (self.qtgui_time_sink_x_0_0, 0)) self.connect((self.blocks_file_source_0_0_1, 0), (self.blocks_char_to_float_1_0_0, 0)) self.connect((self.blocks_file_source_0_0_1, 0), (self.blocks_repack_bits_bb_1_0_0_1, 0)) self.connect((self.blocks_keep_m_in_n_0_0_2_0, 0), (self.digital_map_bb_0_0_0_0_0, 0)) self.connect((self.blocks_keep_m_in_n_0_1_1_0, 0), (self.blocks_repack_bits_bb_0_0_0_1_0, 0)) self.connect((self.blocks_multiply_const_vxx_0, 0), (self.digital_fll_band_edge_cc_0, 0)) self.connect((self.blocks_repack_bits_bb_0_0_0_1_0, 0), (self.blocks_char_to_float_1_0, 0)) self.connect((self.blocks_repack_bits_bb_0_0_0_1_0, 0), (self.blocks_file_sink_0_0_0, 0)) self.connect((self.blocks_repack_bits_bb_1_0_0, 0), (self.digital_constellation_modulator_0, 0)) self.connect((self.blocks_repack_bits_bb_1_0_0_1, 0), (self.blocks_stream_mux_0, 0)) self.connect((self.blocks_stream_mux_0, 0), (self.fec_extended_encoder_0, 0)) self.connect((self.blocks_stream_mux_0_0, 0), (self.blocks_stream_mux_0_1_0, 1)) self.connect((self.blocks_stream_mux_0_1_0, 0), (self.blocks_repack_bits_bb_1_0_0, 0)) self.connect((self.blocks_throttle_0_0, 0), (self.channels_channel_model_0, 0)) self.connect((self.blocks_vector_source_x_0, 0), (self.blocks_stream_mux_0, 1)) self.connect((self.blocks_vector_source_x_0_0_0, 0), (self.blocks_stream_mux_0_0, 1)) self.connect((self.channels_channel_model_0, 0), (self.blocks_multiply_const_vxx_0, 0)) self.connect((self.digital_binary_slicer_fb_0_0, 0), (self.digital_correlate_access_code_xx_ts_0_0, 0)) self.connect((self.digital_cma_equalizer_cc_0, 0), (self.digital_costas_loop_cc_0, 0)) self.connect((self.digital_constellation_modulator_0, 0), (self.blocks_throttle_0_0, 0)) self.connect((self.digital_constellation_soft_decoder_cf_0_0, 0), (self.digital_binary_slicer_fb_0_0, 0)) self.connect((self.digital_correlate_access_code_xx_ts_0_0, 0), (self.blocks_keep_m_in_n_0_0_2_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.digital_constellation_soft_decoder_cf_0_0, 0)) self.connect((self.digital_fll_band_edge_cc_0, 0), (self.digital_pfb_clock_sync_xxx_0_0, 0)) self.connect((self.digital_map_bb_0_0_0_0_0, 0), (self.blocks_char_to_float_0_2_0_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0_0, 0), (self.digital_cma_equalizer_cc_0, 0)) self.connect((self.fec_extended_decoder_0_0_1_0_1_0, 0), (self.blocks_keep_m_in_n_0_1_1_0, 0)) self.connect((self.fec_extended_encoder_0, 0), (self.blocks_stream_mux_0_0, 0))
def __init__(self): gr.top_block.__init__(self, "Transmitter NC-OFDM") filepath = os.getcwd() global expduration ################################################## # Read parameter for configuration ################################################## file_handle = open('/root/gr-ncofdm/examples/config_ncofdm_tx', 'r') for line in file_handle: # read rest of lines linefromfile = ([x for x in line.split()]) linesize = len(linefromfile)-1 if linesize > 1: linedata = map(float, linefromfile[1:linesize+1]) else: linedata = float(linefromfile[1]) if linefromfile[0] == "fft_len": fft_len = int(linedata) elif linefromfile[0] == "cp_len": cp_len = int(linedata) elif linefromfile[0] == "shseq_len": shseq_len = int(linedata) elif linefromfile[0] == "lgseq_len": lgseq_len = int(linedata) elif linefromfile[0] == "dataseq_len": dataseq_len = int(linedata) elif linefromfile[0] == "shseq_rep": shseq_rep = int(linedata) elif linefromfile[0] == "samp_rate": samp_rate = int(linedata) elif linefromfile[0] == "pnseq_offset": pnseq_offset = int(linedata) elif linefromfile[0] == "shseq": shseq = [int(z) for z in linedata] elif linefromfile[0] == "lgseq": lgseq = [int(z) for z in linedata] elif linefromfile[0] == "dataseq": dataseq = [int(z) for z in linedata] elif linefromfile[0] == "occupied_carriers": oc = [] for z in linedata: oc.append(int(z)) occupied_carriers = ((oc),)#[int(z) for z in linedata] elif linefromfile[0] == "pilot_carriers": pc = [] for z in linedata: pc.append(int(z)) pilot_carriers = ((pc),)#[int(z) for z in linedata] elif linefromfile[0] == "pilot_symbols": ps = [] for z in linedata: ps.append(int(z)) pilot_symbols = ((ps),)#[int(z) for z in linedata] elif linefromfile[0] == "cen_freq": cen_freq = linedata elif linefromfile[0] == "sig_ul_ratio_db": sig_ul_ratio_db = linedata elif linefromfile[0] == "usrp_gain": usrp_gain = linedata elif linefromfile[0] == "final_gain": final_gain = linedata elif linefromfile[0] == "expduration": expduration = linedata ################################################## # Variables ################################################## self.pn_symbols = pn_symbols = (1, -1, -1, 1, 1, -1, -1, 1, 1, 1, -1, 1, -1, 1, 1, 1, -1, 1, 1, 1, 1, -1, -1, -1, 1, -1, -1, -1, -1, -1, 1, 1, -1, 1, -1, 1, 1, 1, 1, -1, -1, -1, 1, 1, -1, 1, 1, -1, -1, -1, 1, -1, -1, 1, -1, -1, 1, 1, -1, -1, 1, -1, 1, 1, 1, -1, 1, -1, -1, -1, 1, -1, -1, -1, -1, 1, -1, 1, 1, 1, 1, -1, -1, -1, 1, 1, -1, 1, -1, -1, 1, -1, 1, 1, 1, 1, -1, 1, -1, -1, 1, -1, 1, -1, 1, -1, -1, -1, -1, -1, 1, -1, -1, 1, 1, 1, -1, 1, -1, 1, 1, 1, 1, 1, 1, -1, 1, 1, 1, 1, -1, 1, -1, -1, 1, 1, -1, -1, -1, -1, -1, 1, -1, 1, 1, -1, -1, 1, 1, -1, 1, 1, 1, -1, 1, -1, 1, 1, -1, -1, 1, -1, 1, -1, -1, -1, 1, -1, 1, 1, -1, -1, 1, -1, -1, 1, 1, -1, 1, 1, -1, -1, -1, 1, 1, 1, -1, 1, 1, -1, 1, 1, -1, -1, 1, 1, -1, -1, -1, -1, -1, 1, 1, 1, 1, -1, 1, 1, 1, -1, 1, -1, 1, 1, -1, -1, 1, -1, -1, -1, 1, -1, -1, -1, 1, -1, -1, -1, -1, -1, -1, 1, -1, -1, -1, 1, 1, -1, -1, -1, 1, 1, 1, 1, -1, 1, 1, 1, -1, 1, -1, -1, 1, 1, -1, 1, -1, -1, -1, 1, -1, 1, 1, -1, 1, -1, -1, -1, 1, -1, -1, -1, 1, 1, -1, -1, 1, -1, 1, -1, 1, -1, -1, 1, -1, -1, 1, 1, 1, -1, -1, 1, 1, 1, 1, 1, -1, 1, -1, -1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, 1, -1, -1, 1, -1, -1, -1, -1, 1, -1, -1, -1, -1, -1, -1, 1, 1, 1, 1, -1, -1, 1, -1, 1, 1, -1, -1, 1, -1, -1, 1, -1, -1, -1, 1, -1, 1, -1, -1, 1, -1, -1, -1, -1, 1, -1, 1, -1, 1, -1, -1, -1, -1, 1, 1, 1, -1, -1, 1, 1, -1, -1, -1, -1, -1, 1, 1, 1, -1, 1, 1, -1, 1, -1, -1, 1, -1, -1, 1, -1, 1, 1, -1, -1, -1, 1, -1, -1, -1, -1, -1, -1, 1, -1, 1, 1, -1, 1, 1, -1, 1, 1, -1, -1, 1, 1, 1, 1, 1, -1, 1, -1, -1, -1, -1, 1, -1, -1, 1, -1, -1, -1, 1, -1, -1, -1, 1, -1, 1, -1, -1, 1, 1, 1, -1, -1, 1, -1, 1, -1, 1, -1, 1, -1, -1, -1, 1, 1, -1, 1, -1, 1, 1, 1, -1, 1, 1, -1, -1, 1, -1, -1, -1, 1, -1, 1, -1, -1, -1, 1, -1, -1, -1, -1, -1, -1, 1, -1, -1, -1, 1, -1, -1, 1, -1, -1, 1, -1, 1, -1, -1, 1, 1, -1, 1, -1, -1, -1, -1, -1, 1, -1, -1, 1, 1, -1, -1, 1, -1, 1, -1, 1, 1, 1, 1, 1, 1, -1, -1, -1, 1, -1, 1, -1, -1, 1, -1, -1, 1, -1, -1, -1, -1, -1, 1, 1, 1, -1, 1, 1, -1, -1, 1, -1, 1, -1, -1, 1, 1, 1, -1, 1, -1, -1, 1, -1, 1, 1, 1, 1, 1, 1, -1, -1, -1, 1, 1, 1, 1, -1, 1, 1, 1, 1, 1, 1, -1, 1, -1, 1, 1, 1, 1, 1, -1, -1, 1, 1, -1, -1, -1, -1, 1, 1, 1, -1, 1, 1, 1, 1, 1, 1, -1, -1, -1, 1, -1, -1, -1, -1, 1, -1, 1, -1, -1, -1, 1, 1, 1, -1, -1, 1, -1, 1, -1, 1, 1, 1, 1, 1, -1, -1, -1, -1, 1, 1, -1, 1, -1, -1, -1, 1, -1, 1, -1, 1, 1, -1, -1, 1, -1, -1, 1, -1, 1, 1, 1, -1, 1, -1, -1, 1, -1, -1, 1, 1, 1, 1, 1, -1, 1, 1, 1, 1, -1, 1, -1, -1, 1, 1, -1, -1, 1, 1, 1, -1, -1, 1, 1, 1, 1, 1, -1, -1, -1, 1, -1, 1, 1, 1, -1, 1, -1, -1, -1, -1, 1, 1, 1, -1, -1, -1, 1, -1, 1, 1, 1, 1, -1, 1, -1, -1, 1, 1, -1, 1, -1, 1, 1, 1, 1, 1, 1, 1, 1, -1, 1, 1, -1, 1, -1, -1, -1, -1, 1, -1, 1, 1, -1, 1, -1, -1, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 1, 1, -1, 1, 1, -1, 1, 1, -1, -1, 1, 1, 1, 1, 1, 1, 1, 1, -1, 1, -1, 1, -1, 1, 1, -1, -1, -1, 1, 1, 1, 1, 1, -1, 1, 1, -1, 1, -1, -1, 1, -1, -1, -1, 1, -1, -1, -1, -1, 1, -1, 1, -1, 1, 1, -1, -1, 1, -1, -1, 1, 1, -1, 1, -1, 1, 1, -1, 1, 1, 1, 1, -1, -1, 1, 1, 1, 1, -1, -1, 1, -1, -1, 1, 1, 1, 1, -1, -1, -1, -1, 1, -1, 1, 1, -1, -1, -1, -1, 1, 1, -1, -1, 1, -1, -1, -1, -1, 1, -1, -1, 1, -1, 1, -1, 1, -1, -1, -1, 1, -1, -1, -1, -1, 1, 1, 1, 1, -1, -1, -1, 1, 1, 1, 1, -1, 1, -1, 1, -1, 1, 1, -1, 1, 1, 1, 1, 1, -1, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1, 1, -1, -1, -1, -1, -1, -1, 1, 1, 1, -1, 1, -1, 1, 1, 1, 1, 1, -1, 1, -1, 1, 1, 1, 1, -1, -1, -1, -1, -1, 1, 1, 1, -1, -1, -1, -1, 1, 1, 1, 1, -1, 1, 1, 1, 1, -1, 1, 1, -1, 1, -1, -1, 1, -1, 1, -1, 1, -1, -1, -1, 1, 1, 1, 1, -1, 1, -1, -1, 1, -1, -1, 1, 1, -1, 1, 1, -1, 1, -1, -1, 1, -1, -1, 1, 1, -1, 1, -1, -1, 1, -1, -1, 1, -1, 1, -1, -1, -1, -1, 1, -1, 1, 1, -1, 1, -1, -1, 1, 1, -1, -1, 1, 1, 1, 1, -1, 1, 1, -1, -1, 1, -1, -1, -1, -1, 1, 1, 1, 1, -1, -1, 1, -1, -1, -1, 1, -1, -1, 1, 1, -1, -1, 1, -1, 1, 1, 1, 1, -1, -1, -1, -1, 1, 1, -1, 1, -1, -1, 1, -1, 1, -1, -1, -1, 1, -1, 1, -1, -1, 1, -1, 1, 1, -1, 1, 1, 1, 1, 1, -1, 1, 1, -1, -1, 1, 1, -1, 1, -1, 1, 1, 1, -1, 1, -1, 1, -1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 1, -1, 1, -1, -1, -1, 1, -1, 1, -1, -1, 1, -1, 1, -1, -1, 1, 1, -1, 1, -1, 1, -1, 1, 1, 1, -1, -1, -1, -1, 1, 1, 1, -1, 1, 1, -1, 1, 1, -1, 1, 1, 1, 1, 1, 1, -1, -1, 1, -1, 1, 1, 1, -1, -1, 1, 1, 1, -1, -1, -1, 1, 1, 1, -1, 1, -1, -1, -1, 1, -1, 1, 1, -1, 1, -1, 1, 1, -1, -1, 1, -1, -1, 1, 1, 1, -1, -1, -1, -1, 1, -1, -1, 1, 1, 1, 1, 1, -1, 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, 1, 1, 1, -1, 1, 1, -1, -1, 1, -1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, 1, -1, -1, -1, 1, -1, -1, 1, 1, 1, -1, -1, 1, -1, 1, 1, -1, -1, -1, 1, 1, -1, -1, -1, 1, 1, -1, -1, 1, -1, 1, -1, 1, 1, 1, -1, -1, 1, -1, -1, -1, -1, 1, -1, -1, 1, -1, -1, -1, -1, -1, 1, -1, 1, -1, 1, -1, -1, -1, 1, 1, -1, 1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, -1, 1, -1, -1, 1, 1, -1, 1, -1, 1, 1, 1, -1, 1, 1, -1, -1, 1, 1, 1, -1, -1, 1, 1, -1, -1, -1, -1, -1, 1, 1, -1, -1, 1, 1, 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-1, -1, 1, -1, -1, 1, 1, -1, -1, 1, 1, 1, 1, 1, 1, 1, -1, 1, -1, -1, -1, 1, -1, 1, -1, -1, -1, -1, -1, 1, -1, -1, -1, 1, 1, 1, -1, -1, -1, 1, 1, 1, 1, -1, -1, -1, -1, 1, -1, -1, -1, 1, -1, -1, 1, 1, 1, 1, 1, -1, -1, 1, 1, 1, -1, -1, 1, -1, 1, 1, -1, -1, -1, 1, -1, -1, -1, 1, -1, 1, -1, 1, 1, -1, -1, -1, 1, 1, 1, -1, 1, 1, 1, 1, -1, -1, -1, -1, 1, -1, 1, -1, -1, 1, 1, 1, -1, -1, -1, 1, 1, -1, -1, 1, 1, 1, 1, 1, -1, -1, 1, 1, -1, -1, -1, 1, -1, -1, 1, 1, 1, -1, 1, 1, -1, -1, -1, -1, -1, 1, -1, 1, 1, -1, 1, 1, -1, -1, -1, -1, -1, 1, 1, -1, -1, 1, 1, 1, -1, -1, -1, 1, 1, -1, -1, 1, -1, 1, 1, 1, -1, 1, -1, 1, 1, 1, -1, 1, -1, 1, 1, 1, -1, -1, -1, 1, 1, -1, -1, 1, 1, 1, -1, 1, 1, 1, -1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, 1, -1, 1, -1, 1, -1, -1, -1, 1, 1, 1, 1, -1, 1, 1, -1, 1, -1, 1, -1, 1, -1, -1, 1, 1, -1, 1, -1, 1, -1, -1, 1, -1, 1, -1, 1, -1, 1, -1, -1, 1, 1, -1, 1, 1, -1, -1, -1, 1, 1, -1, -1, -1, 1, 1, -1, -1, -1, 1, -1, -1, 1, -1, 1, 1, 1, -1, 1, 1, -1, -1, -1, -1, 1, 1, -1, -1, -1, 1, -1, -1, 1, 1, 1, 1, -1, 1, -1, -1, -1, -1, -1, 1, -1, 1, -1, -1, 1, 1, -1, -1, 1, -1, -1, -1, 1, -1, -1, 1, -1, 1, -1, 1, -1, -1, -1, 1, 1, 1, -1, 1, -1, 1, 1, -1, 1, 1, 1, -1, -1, 1, 1, -1, 1, -1, 1, 1, -1, 1, -1, -1, 1, -1, -1, 1, 1, 1, -1, 1, -1, -1, -1, 1, 1, 1, -1, -1, -1, -1, -1, 1, -1, 1, 1, -1, 1, -1, -1, 1, 1, 1, -1, -1, -1, -1, -1, -1, 1, 1, 1, 1, 1, 1, -1, 1, -1, -1, 1, -1, -1, 1, 1, 1, -1, 1, 1, -1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, 1, -1, -1, -1, -1, -1, 1, -1, -1, 1, -1, 1, 1, -1, -1, -1, 1, 1, 1, 1, -1, -1, 1, -1, -1, -1, 1, -1, -1, -1, -1, 1, 1, 1, 1, -1, 1, -1, -1, 1, -1, 1, 1, -1, 1, 1, 1, 1, 1, -1, 1, -1, -1, 1, 1, 1) self.shseq_len = shseq_len self.shseq_rep = shseq_rep self.occupied_carriers = occupied_carriers self.lgseq_len = lgseq_len self.length_tag_name = length_tag_name = "packet_len" self.fft_len = fft_len self.dataseq_len = dataseq_len self.sync_word2 = sync_word2 = (0, 0, 0, 0, 0, 1, 1, -1.0, -1, 1.0, 1, 1.0, -1, -1.0, -1, 1.0, 1, -1.0, 1, 1.0, 1, -1.0, -1, -1.0, -1, 1.0, -1, 1.0, -1, 1.0, 1, -1.0, 0, 1.0, 1, -1.0, 1, 1.0, -1, -1.0, 1, -1.0, -1, -1.0, 1, 1.0, 1, -1.0, 1, 1.0, -1, 1.0, -1, -1.0, -1, 1.0, 1, -1.0, 0, 0, 0, 0, 0, 0) self.sync_word1 = sync_word1 = (0, 0, 0, 0, 0, 0, 0, -1.0, 0, 1.0, 0, 1.0, 0, -1.0, 0, 1.0, 0, -1.0, 0, 1.0, 0, -1.0, 0, -1.0, 0, 1.0, 0, 1.0, 0, 1.0, 0, -1.0, 0, 1.0, 0, -1.0, 0, 1.0, 0, -1.0, 0, -1.0, 0, -1.0, 0, 1.0, 0, -1.0, 0, 1.0, 0, 1.0, 0, -1.0, 0, 1.0, 0, -1.0, 0, 0, 0, 0, 0, 0) self.sync_len = sync_len = 20 self.sig_ul_ratio_db = sig_ul_ratio_db self.shseq = shseq = pn_symbols[pnseq_offset:pnseq_offset+shseq_len] self.samp_rate = samp_rate self.pilot_symbols = pilot_symbols self.pilot_carriers = pilot_carriers self.payload_mod = payload_mod = digital.constellation_qpsk() self.packet_len = packet_len = len(occupied_carriers[0]) self.lgseq = lgseq = pn_symbols[pnseq_offset+shseq_len:pnseq_offset+shseq_len+lgseq_len] self.header_formatter = header_formatter = digital.packet_header_ofdm(occupied_carriers, 1, length_tag_name) self.final_gain = final_gain self.usrp_gain = usrp_gain self.dataseq = dataseq = pn_symbols[pnseq_offset+shseq_len+lgseq_len:pnseq_offset+shseq_len+lgseq_len+dataseq_len] self.data_len = data_len = dataseq_len*20 self.cp_len = cp_len self.cen_freq = cen_freq ################################################## # Blocks ################################################## self.uhd_usrp_sink = uhd.usrp_sink( ",".join(("", "")), uhd.stream_args( cpu_format="fc32", channels=range(1), ), ) self.uhd_usrp_sink.set_samp_rate(samp_rate) self.uhd_usrp_sink.set_center_freq(cen_freq, 0) self.uhd_usrp_sink.set_gain(usrp_gain, 0) self.uhd_usrp_sink.set_antenna("TX/RX", 0) self.ncofdm_ncofdm_carrier_allocator = ncofdm.ncofdm_carrier_allocator(fft_len, occupied_carriers, (), (), "packet_len") self.ncofdm_add_cp_underlay = ncofdm.add_cp_underlay(fft_len, cp_len, sig_ul_ratio_db, data_len, shseq_len, shseq_rep, shseq, dataseq_len, dataseq, lgseq_len, lgseq, "packet_len") self.main_source = blocks.vector_source_b(map(int, numpy.random.randint(0, 200, 10000)), True) self.fft_vxx = fft.fft_vcc(fft_len, False, (()), True, 1) self.digital_chunks_to_symbols = digital.chunks_to_symbols_bc((payload_mod.points()), 1) self.blocks_stream_to_tagged_stream = blocks.stream_to_tagged_stream(gr.sizeof_char, 1, packet_len, "packet_len") self.blocks_repack_bits = blocks.repack_bits_bb(8, payload_mod.bits_per_symbol(), length_tag_name, False, gr.GR_LSB_FIRST) self.blocks_overlaygain = blocks.multiply_const_vcc(([1/(math.sqrt(44))]*fft_len)) self.blocks_final_gain = blocks.multiply_const_vcc((final_gain, )) ################################################## # Connections ################################################## self.connect((self.blocks_final_gain, 0), (self.uhd_usrp_sink, 0)) self.connect((self.blocks_overlaygain, 0), (self.ncofdm_add_cp_underlay, 0)) self.connect((self.blocks_repack_bits, 0), (self.digital_chunks_to_symbols, 0)) self.connect((self.blocks_stream_to_tagged_stream, 0), (self.blocks_repack_bits, 0)) self.connect((self.digital_chunks_to_symbols, 0), (self.ncofdm_ncofdm_carrier_allocator, 0)) self.connect((self.fft_vxx, 0), (self.blocks_overlaygain, 0)) self.connect((self.main_source, 0), (self.blocks_stream_to_tagged_stream, 0)) self.connect((self.ncofdm_add_cp_underlay, 0), (self.blocks_final_gain, 0)) self.connect((self.ncofdm_ncofdm_carrier_allocator, 0), (self.fft_vxx, 0))
def __init__(self): gr.top_block.__init__(self, "Top Block") Qt.QWidget.__init__(self) self.setWindowTitle("Top Block") qtgui.util.check_set_qss() try: self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc')) except: pass self.top_scroll_layout = Qt.QVBoxLayout() self.setLayout(self.top_scroll_layout) self.top_scroll = Qt.QScrollArea() self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame) self.top_scroll_layout.addWidget(self.top_scroll) self.top_scroll.setWidgetResizable(True) self.top_widget = Qt.QWidget() self.top_scroll.setWidget(self.top_widget) self.top_layout = Qt.QVBoxLayout(self.top_widget) self.top_grid_layout = Qt.QGridLayout() self.top_layout.addLayout(self.top_grid_layout) self.settings = Qt.QSettings("GNU Radio", "top_block") self.restoreGeometry(self.settings.value("geometry", type=QtCore.QByteArray)) ################################################## # Variables ################################################## self.H_dec = H_dec = fec.ldpc_H_matrix(gr.prefix() + "/share/gnuradio/fec/ldpc/" + "n_0100_k_0042_gap_02.alist", 2) self.H = H = fec.ldpc_H_matrix(gr.prefix() + "/share/gnuradio/fec/ldpc/" + "n_0100_k_0042_gap_02.alist", 2) self.samp_rate = samp_rate = 320000 self.rate = rate = 2 self.puncpat = puncpat = '11' self.polys = polys = [109, 79] self.pld_enc = pld_enc = fec.ldpc_par_mtrx_encoder_make_H(H) self.pld_dec = pld_dec = fec.ldpc_bit_flip_decoder.make(H_dec.get_base_sptr(), 100) self.pld_const = pld_const = digital.constellation_calcdist((digital.psk_2()[0]), (digital.psk_2()[1]), 2, 1).base() self.pld_const.gen_soft_dec_lut(8) self.pkt_len = pkt_len = 42 self.k = k = 7 ################################################## # Blocks ################################################## self.fec_extended_encoder_0 = fec.extended_encoder(encoder_obj_list=pld_enc, threading='capillary', puncpat='11') self.fec_extended_decoder_0_0_1 = fec.extended_decoder(decoder_obj_list=pld_dec, threading= None, ann=None, puncpat=puncpat, integration_period=10000) self.digital_map_bb_1_0 = digital.map_bb((pld_const.pre_diff_code())) self.digital_constellation_soft_decoder_cf_0 = digital.constellation_soft_decoder_cf(pld_const) self.digital_chunks_to_symbols_xx_0_0 = digital.chunks_to_symbols_bc((pld_const.points()), 1) self.blocks_vector_source_x_0_0 = blocks.vector_source_b([0], True, 1, []) self.blocks_vector_source_x_0 = blocks.vector_source_b([0], True, 1, []) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char*1, samp_rate,True) self.blocks_tag_gate_0 = blocks.tag_gate(gr.sizeof_gr_complex * 1, True) self.blocks_tag_gate_0.set_single_key("") self.blocks_tag_debug_0_0 = blocks.tag_debug(gr.sizeof_float*1, 'SAI_DECODER', ""); self.blocks_tag_debug_0_0.set_display(True) self.blocks_tag_debug_0 = blocks.tag_debug(gr.sizeof_char*1, 'PLD_ENCODED', ""); self.blocks_tag_debug_0.set_display(True) self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(gr.sizeof_char, 1, 42, "packet_len") self.blocks_stream_mux_0_0 = blocks.stream_mux(gr.sizeof_char*1, (100, 4)) self.blocks_stream_mux_0 = blocks.stream_mux(gr.sizeof_char*1, (40, 2)) self.blocks_repack_bits_bb_1_0 = blocks.repack_bits_bb(8, 1, '', False, gr.GR_MSB_FIRST) self.blocks_repack_bits_bb_0_1_1_0_0 = blocks.repack_bits_bb(1, 8, '', False, gr.GR_MSB_FIRST) self.blocks_repack_bits_bb_0_0_0 = blocks.repack_bits_bb(1, 8, '', True, gr.GR_MSB_FIRST) self.blocks_repack_bits_bb_0_0 = blocks.repack_bits_bb(8, pld_const.bits_per_symbol(), '', False, gr.GR_MSB_FIRST) self.blocks_keep_m_in_n_0_0 = blocks.keep_m_in_n(gr.sizeof_float, 100, 104, 0) self.blocks_keep_m_in_n_0 = blocks.keep_m_in_n(gr.sizeof_char, 40, 42, 0) self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char*1, '/home/andre/Desktop/letra.txt', False) self.blocks_file_source_0.set_begin_tag(pmt.PMT_NIL) self.blocks_file_sink_0_0 = blocks.file_sink(gr.sizeof_char*1, '/home/andre/Desktop/transmitido/teste.txt', False) self.blocks_file_sink_0_0.set_unbuffered(False) self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_char*1, '/home/andre/Desktop/transmitido/depois.txt', False) self.blocks_file_sink_0.set_unbuffered(False) ################################################## # Connections ################################################## self.connect((self.blocks_file_source_0, 0), (self.blocks_throttle_0, 0)) self.connect((self.blocks_keep_m_in_n_0, 0), (self.blocks_repack_bits_bb_0_1_1_0_0, 0)) self.connect((self.blocks_keep_m_in_n_0_0, 0), (self.fec_extended_decoder_0_0_1, 0)) self.connect((self.blocks_repack_bits_bb_0_0, 0), (self.digital_map_bb_1_0, 0)) self.connect((self.blocks_repack_bits_bb_0_0_0, 0), (self.blocks_repack_bits_bb_0_0, 0)) self.connect((self.blocks_repack_bits_bb_0_0_0, 0), (self.blocks_tag_debug_0, 0)) self.connect((self.blocks_repack_bits_bb_0_1_1_0_0, 0), (self.blocks_file_sink_0, 0)) self.connect((self.blocks_repack_bits_bb_1_0, 0), (self.blocks_stream_mux_0, 0)) self.connect((self.blocks_stream_mux_0, 0), (self.blocks_stream_to_tagged_stream_0, 0)) self.connect((self.blocks_stream_mux_0_0, 0), (self.blocks_repack_bits_bb_0_0_0, 0)) self.connect((self.blocks_stream_to_tagged_stream_0, 0), (self.blocks_file_sink_0_0, 0)) self.connect((self.blocks_stream_to_tagged_stream_0, 0), (self.fec_extended_encoder_0, 0)) self.connect((self.blocks_tag_gate_0, 0), (self.digital_constellation_soft_decoder_cf_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.blocks_repack_bits_bb_1_0, 0)) self.connect((self.blocks_vector_source_x_0, 0), (self.blocks_stream_mux_0, 1)) self.connect((self.blocks_vector_source_x_0_0, 0), (self.blocks_stream_mux_0_0, 1)) self.connect((self.digital_chunks_to_symbols_xx_0_0, 0), (self.blocks_tag_gate_0, 0)) self.connect((self.digital_constellation_soft_decoder_cf_0, 0), (self.blocks_keep_m_in_n_0_0, 0)) self.connect((self.digital_constellation_soft_decoder_cf_0, 0), (self.blocks_tag_debug_0_0, 0)) self.connect((self.digital_map_bb_1_0, 0), (self.digital_chunks_to_symbols_xx_0_0, 0)) self.connect((self.fec_extended_decoder_0_0_1, 0), (self.blocks_keep_m_in_n_0, 0)) self.connect((self.fec_extended_encoder_0, 0), (self.blocks_stream_mux_0_0, 0))
def __init__(self, freq): gr.top_block.__init__(self, "Burst Receiver") ################################################## # Variables ################################################## self.sps = sps = 4 self.hdr_cons = hdr_cons = digital.constellation_calcdist( ([-1, 1]), ([0, 1]), 2, 1).base() self.eb = eb = .700 self.tsh = tsh = 0 self.rxmod = rxmod = digital.generic_mod(hdr_cons, False, sps, True, eb, False, False) self.preamble = preamble = [ 0xac, 0xdd, 0xa4, 0xe2, 0xf2, 0x8c, 0x20, 0xfc ] self.nfilts = nfilts = 64 self.mark_delays = mark_delays = [0, 34, 87, 0, 262] self.usrp_rate = usrp_rate = 500e3 self.rx_psf_taps = rx_psf_taps = firdes.root_raised_cosine( nfilts, sps * nfilts, 1.0, eb, nfilts * sps * 11) self.pld_cons = pld_cons = digital.constellation_calcdist( ([-1, 1]), ([0, 1]), 4, 1).base() self.modulated_sync_word = modulated_sync_word = digital.modulate_vector_bc( rxmod.to_basic_block(), (preamble), ([1])) self.mark_delay = mark_delay = mark_delays[sps / 2] self.freq = freq self.format_0 = format_0 = digital.header_format_default( digital.packet_utils.default_access_code, tsh) ################################################## # Blocks ################################################## self.uhd_usrp_source_0 = uhd.usrp_source( ",".join(("", "")), uhd.stream_args( cpu_format="fc32", channels=range(1), ), ) self.uhd_usrp_source_0.set_samp_rate(usrp_rate) self.uhd_usrp_source_0.set_center_freq(freq, 0) self.uhd_usrp_source_0.set_gain(0, 0) self.uhd_usrp_source_0.set_antenna('TX/RX', 0) self.digital_protocol_parser_b_0 = digital.protocol_parser_b(format_0) self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf( sps, 6.28 / 400, (rx_psf_taps), nfilts, 16, 1.5, 1) self.digital_header_payload_demux_0 = digital.header_payload_demux( format_0.header_nbits() / hdr_cons.bits_per_symbol(), 1, 0, "payload symbols", "time_est", False, gr.sizeof_gr_complex, "rx_time", 1, "", 0, ) self.digital_fll_band_edge_cc_0 = digital.fll_band_edge_cc( sps, eb, 16, 6.28 / 100) self.digital_diff_decoder_bb_0_0 = digital.diff_decoder_bb( pld_cons.arity()) self.digital_crc32_async_bb_1 = digital.crc32_async_bb(True) self.digital_costas_loop_cc_0_0 = digital.costas_loop_cc( 6.28 / 400, pld_cons.arity(), False) self.digital_costas_loop_cc_0 = digital.costas_loop_cc( 6.28 / 400, hdr_cons.arity(), False) self.digital_corr_est_cc_0 = digital.corr_est_cc( (modulated_sync_word), sps, mark_delay, 0.9999999) self.digital_constellation_decoder_cb_1 = digital.constellation_decoder_cb( pld_cons) self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb( hdr_cons) self.blocks_tagged_stream_to_pdu_0 = blocks.tagged_stream_to_pdu( blocks.byte_t, "payload symbols") self.blocks_socket_pdu_0 = blocks.socket_pdu("UDP_CLIENT", '127.0.0.1', '52002', 10000, False) self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb( 1, 8, "payload symbols", True, gr.GR_MSB_FIRST) self.blocks_multiply_by_tag_value_cc_0 = blocks.multiply_by_tag_value_cc( "amp_est", 1) ################################################## # Connections ################################################## self.msg_connect((self.blocks_tagged_stream_to_pdu_0, 'pdus'), (self.digital_crc32_async_bb_1, 'in')) self.msg_connect((self.digital_crc32_async_bb_1, 'out'), (self.blocks_socket_pdu_0, 'pdus')) self.msg_connect((self.digital_protocol_parser_b_0, 'info'), (self.digital_header_payload_demux_0, 'header_data')) self.connect((self.blocks_multiply_by_tag_value_cc_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0)) self.connect((self.blocks_repack_bits_bb_0, 0), (self.blocks_tagged_stream_to_pdu_0, 0)) self.connect((self.digital_constellation_decoder_cb_0, 0), (self.digital_protocol_parser_b_0, 0)) self.connect((self.digital_constellation_decoder_cb_1, 0), (self.digital_diff_decoder_bb_0_0, 0)) self.connect((self.digital_corr_est_cc_0, 0), (self.blocks_multiply_by_tag_value_cc_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.digital_constellation_decoder_cb_0, 0)) self.connect((self.digital_costas_loop_cc_0_0, 0), (self.digital_constellation_decoder_cb_1, 0)) self.connect((self.digital_diff_decoder_bb_0_0, 0), (self.blocks_repack_bits_bb_0, 0)) self.connect((self.digital_fll_band_edge_cc_0, 0), (self.digital_corr_est_cc_0, 0)) self.connect((self.digital_header_payload_demux_0, 0), (self.digital_costas_loop_cc_0, 0)) self.connect((self.digital_header_payload_demux_0, 1), (self.digital_costas_loop_cc_0_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_header_payload_demux_0, 0)) self.connect((self.uhd_usrp_source_0, 0), (self.digital_fll_band_edge_cc_0, 0))
def __init__(self): gr.hier_block2.__init__(self, "ofdm_tx", gr.io_signature(1, 1, gr.sizeof_char), gr.io_signature(1, 1, gr.sizeof_gr_complex)) self.constellationP = helpers.get_constellation(settings.PAYLOAD_BPS) self.constellationH = helpers.get_constellation(settings.HEADER_BPS) self.sync_words = [SYNC_ONE, SYNC_TWO] #tag the received bytes tagger_0 = tagger.blk( settings.PAYLOAD_BPS, settings.LENGTH_TAG_KEY, 1, 0 ) #divides the incoming byte stream into packets and append the meta data """ this part will handle the header stream from the tagged data stream the header is derived, scrambled and modulated """ header_gen = ownHeader.generate_header_bb( settings.LENGTH_TAG_KEY) #geneating the header scramblerH = digital.digital.additive_scrambler_bb( #srambling the header bytes 0x8a, settings.SCRAMBLED_SEED, 7, 0, bits_per_byte=8, reset_tag_key=settings.LENGTH_TAG_KEY) """ Modulating the data: first split the bytes into the size of the symbols (unpackerH) then transform the smaller groups of bits into the complex symbols """ unpackerH = blocks.repack_bits_bb(8, settings.HEADER_BPS, settings.LENGTH_TAG_KEY) modulatorH = digital.chunks_to_symbols_bc(self.constellationH.points()) """ This part wil handle the data stream first a error detection code is appended to stream, then the data is scrambled, and modulated to complex symbols """ crc = digital.crc32_bb(False, settings.LENGTH_TAG_KEY) #error detection scrambler = digital.digital.additive_scrambler_bb( #scrambling 0x8a, settings.SCRAMBLED_SEED, 7, 0, bits_per_byte=8, reset_tag_key=settings.LENGTH_TAG_KEY) """ modulation: split into a group of bits with convenient size, transform the smaller groups into the complex symbols """ unpacker = blocks.repack_bits_bb(8, settings.PAYLOAD_BPS, settings.LENGTH_TAG_KEY) modulator = digital.chunks_to_symbols_bc(self.constellationP.points()) """ This part will handle the full ofdm frame, both data, header and preamble first the payload and the header stream is combined, then the complex symbols are allocated the carrier tones and the pilot symbols are append and the preambles is inserted Thereafter, the FFT is calculated, at last the cyclic prefixes are inserted """ header_payload_mux = blocks.tagged_stream_mux( itemsize=gr.sizeof_gr_complex * 1, lengthtagname=settings.LENGTH_TAG_KEY, tag_preserve_head_pos=1) #self.connect(modulator, blocks.tag_debug(gr.sizeof_gr_complex, "tagsmod")) #gerating ofdm signals allocator = digital.ofdm_carrier_allocator_cvc( symbol_settings.get_fft_length(), occupied_carriers=symbol_settings.get_carrier_tones(), pilot_carriers=symbol_settings.get_pilot_tones(), pilot_symbols=SYM_PILOT, sync_words=self.sync_words, len_tag_key=settings.LENGTH_TAG_KEY) #self.connect(allocator, blocks.tag_debug(gr.sizeof_gr_complex*symbol_settings.get_fft_length(), "tagsalocator")) fft_ex = fft.fft_vcc(symbol_settings.get_fft_length(), False, (), True) prefixer = digital.ofdm_cyclic_prefixer( symbol_settings.get_fft_length(), symbol_settings.get_cp_length() + symbol_settings.get_fft_length(), 0, settings.LENGTH_TAG_KEY) print("All blocks initialized correctly") self.connect(self, tagger_0) self.connect(tagger_0, header_gen, scramblerH, unpackerH, modulatorH, (header_payload_mux, 0)) self.connect(tagger_0, crc, scrambler, unpacker, modulator, (header_payload_mux, 1)) self.connect(header_payload_mux, allocator, fft_ex, prefixer, self) #self.connect(prefixer, blocks.file_sink(gr.sizeof_gr_complex,"tx.dat")) print("All blocks properly connected")
def __init__(self, puncpat='11'): gr.top_block.__init__(self, "Rx Eve") Qt.QWidget.__init__(self) self.setWindowTitle("Rx Eve") qtgui.util.check_set_qss() try: self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc')) except: pass self.top_scroll_layout = Qt.QVBoxLayout() self.setLayout(self.top_scroll_layout) self.top_scroll = Qt.QScrollArea() self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame) self.top_scroll_layout.addWidget(self.top_scroll) self.top_scroll.setWidgetResizable(True) self.top_widget = Qt.QWidget() self.top_scroll.setWidget(self.top_widget) self.top_layout = Qt.QVBoxLayout(self.top_widget) self.top_grid_layout = Qt.QGridLayout() self.top_layout.addLayout(self.top_grid_layout) self.settings = Qt.QSettings("GNU Radio", "rx_eve") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Parameters ################################################## self.puncpat = puncpat ################################################## # Variables ################################################## self.sps = sps = 4 self.samp_rate_array_MCR = samp_rate_array_MCR = [ 7500000, 5000000, 3750000, 3000000, 2500000, 2000000, 1500000, 1000000, 937500, 882352, 833333, 714285, 533333, 500000, 421052, 400000, 380952 ] self.nfilts = nfilts = 32 self.eb = eb = 0.22 self.H_dec = H_dec = fec.ldpc_H_matrix( '/usr/local/share/gnuradio/fec/ldpc/n_1100_k_0442_gap_24.alist', 24) self.variable_qtgui_range_0_1 = variable_qtgui_range_0_1 = 42 self.samp_rate = samp_rate = samp_rate_array_MCR[11] self.rx_rrc_taps = rx_rrc_taps = firdes.root_raised_cosine( nfilts, nfilts * sps, 1.0, eb, 11 * sps * nfilts) self.pld_dec = pld_dec = map((lambda a: fec.ldpc_bit_flip_decoder.make( H_dec.get_base_sptr(), 50)), range(0, 8)) self.pld_const = pld_const = digital.constellation_rect(([ 0.707 + 0.707j, -0.707 + 0.707j, -0.707 - 0.707j, 0.707 - 0.707j ]), ([0, 1, 2, 3]), 4, 2, 2, 1, 1).base() self.pld_const.gen_soft_dec_lut(8) self.frequencia_usrp = frequencia_usrp = 484e6 self.MCR = MCR = "master_clock_rate=60e6" ################################################## # Blocks ################################################## self._variable_qtgui_range_0_1_range = Range(0, 73, 1, 42, 200) self._variable_qtgui_range_0_1_win = RangeWidget( self._variable_qtgui_range_0_1_range, self.set_variable_qtgui_range_0_1, 'Gain_RX', "counter_slider", float) self.top_grid_layout.addWidget(self._variable_qtgui_range_0_1_win, 0, 2, 1, 1) for r in range(0, 1): self.top_grid_layout.setRowStretch(r, 1) for c in range(2, 3): self.top_grid_layout.setColumnStretch(c, 1) self.uhd_usrp_source_0_0 = uhd.usrp_source( ",".join(("serial=F5EB09", MCR)), uhd.stream_args( cpu_format="fc32", channels=range(1), ), ) self.uhd_usrp_source_0_0.set_samp_rate(samp_rate) self.uhd_usrp_source_0_0.set_time_now(uhd.time_spec(time.time()), uhd.ALL_MBOARDS) self.uhd_usrp_source_0_0.set_center_freq(frequencia_usrp, 0) self.uhd_usrp_source_0_0.set_gain(variable_qtgui_range_0_1, 0) self.uhd_usrp_source_0_0.set_antenna('TX/RX', 0) self.uhd_usrp_source_0_0.set_auto_dc_offset(True, 0) self.uhd_usrp_source_0_0.set_auto_iq_balance(True, 0) self.scrambler_cpp_custom_descrambler_0 = scrambler_cpp.custom_descrambler( 0x8A, 0x7F, 7, 440 - 32) self.qtgui_time_sink_x_2_0 = qtgui.time_sink_f( 1024, #size samp_rate, #samp_rate "After CAC", #name 1 #number of inputs ) self.qtgui_time_sink_x_2_0.set_update_time(0.10) self.qtgui_time_sink_x_2_0.set_y_axis(0, 1.5) self.qtgui_time_sink_x_2_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_2_0.enable_tags(-1, True) self.qtgui_time_sink_x_2_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_2_0.enable_autoscale(False) self.qtgui_time_sink_x_2_0.enable_grid(True) self.qtgui_time_sink_x_2_0.enable_axis_labels(True) self.qtgui_time_sink_x_2_0.enable_control_panel(False) self.qtgui_time_sink_x_2_0.enable_stem_plot(False) if not True: self.qtgui_time_sink_x_2_0.disable_legend() labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "blue" ] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.qtgui_time_sink_x_2_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_time_sink_x_2_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_2_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_2_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_2_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_2_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_2_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_2_0_win = sip.wrapinstance( self.qtgui_time_sink_x_2_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_2_0_win, 2, 2, 1, 1) for r in range(2, 3): self.top_grid_layout.setRowStretch(r, 1) for c in range(2, 3): self.top_grid_layout.setColumnStretch(c, 1) self.qtgui_time_sink_x_1_0 = qtgui.time_sink_c( 1024, #size samp_rate, #samp_rate "RX USRP", #name 1 #number of inputs ) self.qtgui_time_sink_x_1_0.set_update_time(0.10) self.qtgui_time_sink_x_1_0.set_y_axis(-1, 1) self.qtgui_time_sink_x_1_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_1_0.enable_tags(-1, True) self.qtgui_time_sink_x_1_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_1_0.enable_autoscale(False) self.qtgui_time_sink_x_1_0.enable_grid(False) self.qtgui_time_sink_x_1_0.enable_axis_labels(True) self.qtgui_time_sink_x_1_0.enable_control_panel(False) self.qtgui_time_sink_x_1_0.enable_stem_plot(False) if not True: self.qtgui_time_sink_x_1_0.disable_legend() labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "blue" ] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(2): if len(labels[i]) == 0: if (i % 2 == 0): self.qtgui_time_sink_x_1_0.set_line_label( i, "Re{{Data {0}}}".format(i / 2)) else: self.qtgui_time_sink_x_1_0.set_line_label( i, "Im{{Data {0}}}".format(i / 2)) else: self.qtgui_time_sink_x_1_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_1_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_1_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_1_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_1_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_1_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_1_0_win = sip.wrapinstance( self.qtgui_time_sink_x_1_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_1_0_win, 1, 2, 1, 1) for r in range(1, 2): self.top_grid_layout.setRowStretch(r, 1) for c in range(2, 3): self.top_grid_layout.setColumnStretch(c, 1) self.qtgui_time_sink_x_0_1 = qtgui.time_sink_f( 100 * 2, #size samp_rate, #samp_rate 'Rx Data', #name 1 #number of inputs ) self.qtgui_time_sink_x_0_1.set_update_time(0.10) self.qtgui_time_sink_x_0_1.set_y_axis(-1, 256) self.qtgui_time_sink_x_0_1.set_y_label('Amplitude', "") self.qtgui_time_sink_x_0_1.enable_tags(-1, True) self.qtgui_time_sink_x_0_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, 'packet_length_tag_key') self.qtgui_time_sink_x_0_1.enable_autoscale(True) self.qtgui_time_sink_x_0_1.enable_grid(True) self.qtgui_time_sink_x_0_1.enable_axis_labels(True) self.qtgui_time_sink_x_0_1.enable_control_panel(False) self.qtgui_time_sink_x_0_1.enable_stem_plot(False) if not True: self.qtgui_time_sink_x_0_1.disable_legend() labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "blue" ] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.qtgui_time_sink_x_0_1.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_time_sink_x_0_1.set_line_label(i, labels[i]) self.qtgui_time_sink_x_0_1.set_line_width(i, widths[i]) self.qtgui_time_sink_x_0_1.set_line_color(i, colors[i]) self.qtgui_time_sink_x_0_1.set_line_style(i, styles[i]) self.qtgui_time_sink_x_0_1.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_0_1.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_0_1_win = sip.wrapinstance( self.qtgui_time_sink_x_0_1.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_1_win, 2, 3, 1, 1) for r in range(2, 3): self.top_grid_layout.setRowStretch(r, 1) for c in range(3, 4): self.top_grid_layout.setColumnStretch(c, 1) self.qtgui_const_sink_x_0_0_0_1 = qtgui.const_sink_c( 1024, #size "RX Const", #name 1 #number of inputs ) self.qtgui_const_sink_x_0_0_0_1.set_update_time(0.10) self.qtgui_const_sink_x_0_0_0_1.set_y_axis(-2, 2) self.qtgui_const_sink_x_0_0_0_1.set_x_axis(-2, 2) self.qtgui_const_sink_x_0_0_0_1.set_trigger_mode( qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.qtgui_const_sink_x_0_0_0_1.enable_autoscale(False) self.qtgui_const_sink_x_0_0_0_1.enable_grid(False) self.qtgui_const_sink_x_0_0_0_1.enable_axis_labels(True) if not True: self.qtgui_const_sink_x_0_0_0_1.disable_legend() labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "red", "red", "red", "red", "red", "red", "red", "red" ] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.qtgui_const_sink_x_0_0_0_1.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_const_sink_x_0_0_0_1.set_line_label(i, labels[i]) self.qtgui_const_sink_x_0_0_0_1.set_line_width(i, widths[i]) self.qtgui_const_sink_x_0_0_0_1.set_line_color(i, colors[i]) self.qtgui_const_sink_x_0_0_0_1.set_line_style(i, styles[i]) self.qtgui_const_sink_x_0_0_0_1.set_line_marker(i, markers[i]) self.qtgui_const_sink_x_0_0_0_1.set_line_alpha(i, alphas[i]) self._qtgui_const_sink_x_0_0_0_1_win = sip.wrapinstance( self.qtgui_const_sink_x_0_0_0_1.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_0_0_1_win, 1, 3, 1, 1) for r in range(1, 2): self.top_grid_layout.setRowStretch(r, 1) for c in range(3, 4): self.top_grid_layout.setColumnStretch(c, 1) self.qtgui_const_sink_x_0_0_0 = qtgui.const_sink_c( 1024, #size "RX Treated", #name 1 #number of inputs ) self.qtgui_const_sink_x_0_0_0.set_update_time(0.10) self.qtgui_const_sink_x_0_0_0.set_y_axis(-2, 2) self.qtgui_const_sink_x_0_0_0.set_x_axis(-2, 2) self.qtgui_const_sink_x_0_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.qtgui_const_sink_x_0_0_0.enable_autoscale(False) self.qtgui_const_sink_x_0_0_0.enable_grid(False) self.qtgui_const_sink_x_0_0_0.enable_axis_labels(True) if not True: self.qtgui_const_sink_x_0_0_0.disable_legend() labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "red", "red", "red", "red", "red", "red", "red", "red" ] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.qtgui_const_sink_x_0_0_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_const_sink_x_0_0_0.set_line_label(i, labels[i]) self.qtgui_const_sink_x_0_0_0.set_line_width(i, widths[i]) self.qtgui_const_sink_x_0_0_0.set_line_color(i, colors[i]) self.qtgui_const_sink_x_0_0_0.set_line_style(i, styles[i]) self.qtgui_const_sink_x_0_0_0.set_line_marker(i, markers[i]) self.qtgui_const_sink_x_0_0_0.set_line_alpha(i, alphas[i]) self._qtgui_const_sink_x_0_0_0_win = sip.wrapinstance( self.qtgui_const_sink_x_0_0_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_0_0_win, 2, 1, 1, 1) for r in range(2, 3): self.top_grid_layout.setRowStretch(r, 1) for c in range(1, 2): self.top_grid_layout.setColumnStretch(c, 1) self.fec_extended_decoder_0_0_1_0_1_0_0 = fec.extended_decoder( decoder_obj_list=pld_dec, threading='capillary', ann=None, puncpat=puncpat, integration_period=10000) self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf( sps, 6.28 / 100.0, (rx_rrc_taps), nfilts, nfilts / 2, 1.5, 1) self.digital_map_bb_0_0_0_0_0_0 = digital.map_bb(([-1, 1])) self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb( pld_const.arity()) self.digital_costas_loop_cc_0_0 = digital.costas_loop_cc( 6.28 / 100.0, pld_const.arity(), False) self.digital_correlate_access_code_xx_ts_0_0 = digital.correlate_access_code_bb_ts( digital.packet_utils.default_access_code, 4, 'packet_len') self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb( pld_const) self.blocks_repack_bits_bb_0_0_0_1_0 = blocks.repack_bits_bb( 1, 8, '', False, gr.GR_MSB_FIRST) self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb( pld_const.bits_per_symbol(), 1, '', False, gr.GR_MSB_FIRST) self.blocks_keep_m_in_n_0_1_1_0 = blocks.keep_m_in_n( gr.sizeof_char, 440, 442, 0) self.blocks_keep_m_in_n_0_0_2_0_0 = blocks.keep_m_in_n( gr.sizeof_char, 1100, 1104, 0) self.blocks_file_sink_0_0_0_0 = blocks.file_sink( gr.sizeof_char * 1, '/home/it/Desktop/Trasmited/depois2.txt', False) self.blocks_file_sink_0_0_0_0.set_unbuffered(False) self.blocks_char_to_float_1_0_1 = blocks.char_to_float(1, 1) self.blocks_char_to_float_0_2_0_0_0 = blocks.char_to_float(1, 1) self.blocks_char_to_float_0_0 = blocks.char_to_float(1, 1) ################################################## # Connections ################################################## self.connect((self.blocks_char_to_float_0_0, 0), (self.qtgui_time_sink_x_2_0, 0)) self.connect((self.blocks_char_to_float_0_2_0_0_0, 0), (self.fec_extended_decoder_0_0_1_0_1_0_0, 0)) self.connect((self.blocks_char_to_float_1_0_1, 0), (self.qtgui_time_sink_x_0_1, 0)) self.connect((self.blocks_keep_m_in_n_0_0_2_0_0, 0), (self.digital_map_bb_0_0_0_0_0_0, 0)) self.connect((self.blocks_keep_m_in_n_0_1_1_0, 0), (self.scrambler_cpp_custom_descrambler_0, 0)) self.connect((self.blocks_repack_bits_bb_0, 0), (self.digital_correlate_access_code_xx_ts_0_0, 0)) self.connect((self.blocks_repack_bits_bb_0_0_0_1_0, 0), (self.blocks_char_to_float_1_0_1, 0)) self.connect((self.blocks_repack_bits_bb_0_0_0_1_0, 0), (self.blocks_file_sink_0_0_0_0, 0)) self.connect((self.digital_constellation_decoder_cb_0, 0), (self.digital_diff_decoder_bb_0, 0)) self.connect((self.digital_correlate_access_code_xx_ts_0_0, 0), (self.blocks_char_to_float_0_0, 0)) self.connect((self.digital_correlate_access_code_xx_ts_0_0, 0), (self.blocks_keep_m_in_n_0_0_2_0_0, 0)) self.connect((self.digital_costas_loop_cc_0_0, 0), (self.digital_constellation_decoder_cb_0, 0)) self.connect((self.digital_costas_loop_cc_0_0, 0), (self.qtgui_const_sink_x_0_0_0, 0)) self.connect((self.digital_diff_decoder_bb_0, 0), (self.blocks_repack_bits_bb_0, 0)) self.connect((self.digital_map_bb_0_0_0_0_0_0, 0), (self.blocks_char_to_float_0_2_0_0_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_costas_loop_cc_0_0, 0)) self.connect((self.fec_extended_decoder_0_0_1_0_1_0_0, 0), (self.blocks_keep_m_in_n_0_1_1_0, 0)) self.connect((self.scrambler_cpp_custom_descrambler_0, 0), (self.blocks_repack_bits_bb_0_0_0_1_0, 0)) self.connect((self.uhd_usrp_source_0_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0)) self.connect((self.uhd_usrp_source_0_0, 0), (self.qtgui_const_sink_x_0_0_0_1, 0)) self.connect((self.uhd_usrp_source_0_0, 0), (self.qtgui_time_sink_x_1_0, 0))
def __init__(self): gr.hier_block2.__init__(self, "ofdm_rx", gr.io_signature(1, 1, gr.sizeof_gr_complex), gr.io_signature(1, 1, gr.sizeof_char)) self.detector = digital.ofdm_sync_sc_cfb(config.get_fft_length(), config.get_cp_length(), False, 0.95) self.connect(self, self.detector) self.mixer = blocks.multiply_cc() self.delay_block = blocks.delay( gr.sizeof_gr_complex, config.get_fft_length() + config.get_cp_length() + SAFETY ) #delay one ofdm symbol to get both preambles for channel estimation self.oscillator = analog.frequency_modulator_fc( -2.0 / config.get_fft_length()) self.connect(self, self.delay_block) self.connect((self.detector, 0), self.oscillator) self.connect(self.delay_block, (self.mixer, 0)) self.connect(self.oscillator, (self.mixer, 1)) self.frame_filter = aux.filter_frame_cvc(config.get_frame_length(), config.get_fft_length(), config.get_cp_length()) #self.connect(self.frame_filter,blocks.file_sink(gr.sizeof_gr_complex*config.get_fft_length(),"result.dat")) self.connect(self.mixer, (self.frame_filter, 0)) self.connect((self.detector, 1), (self.frame_filter, 1)) self.framer = blocks.stream_to_tagged_stream(gr.sizeof_gr_complex, config.get_fft_length(), config.get_frame_length(), LEN_TAG_KEY) self.fft_block = fft.fft_vcc(config.get_fft_length(), True, (), True) self.connect(self.frame_filter, self.fft_block) self.chanest = digital.ofdm_chanest_vcvc( config.get_sync_word_one(), config.get_sync_word_two(), config.get_number_of_data_symbols()) self.connect((self.fft_block), self.chanest) self.equalizer = digital.ofdm_equalizer_simpledfe( config.get_fft_length(), config.get_constellation().base(), config.get_data_tones(), config.get_pilot_tones(), config.get_pilot_symbols(), symbols_skipped=0, ) self.equalizer_block = digital.ofdm_frame_equalizer_vcvc( self.equalizer.base(), config.get_cp_length(), LEN_TAG_KEY, True, config.get_number_of_data_symbols() # Header is 1 symbol long ) self.connect(self.chanest, self.equalizer_block) self.serializer = digital.ofdm_serializer_vcc(config.get_fft_length(), config.get_data_tones(), LEN_TAG_KEY) self.connect(self.equalizer_block, self.serializer) self.demod = digital.constellation_decoder_cb( config.get_constellation().base()) self.repack = blocks.repack_bits_bb(config.get_bits_per_symbol(), 8, LEN_TAG_KEY, True) self.connect(self.serializer, self.demod, self.repack) self.decoder = aux.decoder_reed_solomon_bb() self.commit_unt = aux.commit_to_output_bb() self.connect(self.repack, (self.decoder, 0), (self.commit_unt, 0), self) self.connect((self.decoder, 1), (self.commit_unt, 1))