def set_num_tag_key(self, num_tag_key): self.num_tag_key = num_tag_key self.set_header_formatter( digital.packet_header_default(self.header_len, self.len_tag_key, self.num_tag_key, 1)) self.set_header_formatter_0( digital.packet_header_default(self.header_len, self.len_tag_key, self.num_tag_key, 1))
def set_header_len(self, header_len): self.header_len = header_len self.set_header_formatter( digital.packet_header_default(self.header_len, self.len_tag_key, self.num_tag_key, 1)) self.set_header_formatter_0( digital.packet_header_default(self.header_len, self.len_tag_key, self.num_tag_key, 1))
def set_len_tag_key(self, len_tag_key): self.len_tag_key = len_tag_key self.set_header_formatter( digital.packet_header_default(self.header_len, self.len_tag_key, self.num_tag_key, 1)) self.set_header_formatter_0( digital.packet_header_default(self.header_len, self.len_tag_key, self.num_tag_key, 1)) self.set_tag0( gr.tag_utils.python_to_tag( (0, pmt.intern(self.len_tag_key), pmt.from_long(self.cw_len), pmt.intern("vect_cw_src")))) self.set_tag_s( gr.tag_utils.python_to_tag((0, pmt.intern(self.len_tag_key), pmt.from_long(self.payload_len), pmt.intern("vect_test_src"))))
def test_003_12bits_formatter_object(self): # 3 PDUs: | | | | data = (1, 2, 3, 4, 1, 2, 1, 2, 3, 4) tagname = "packet_len" tag1 = gr.tag_t() tag1.offset = 0 tag1.key = pmt.string_to_symbol(tagname) tag1.value = pmt.from_long(4) tag2 = gr.tag_t() tag2.offset = 4 tag2.key = pmt.string_to_symbol(tagname) tag2.value = pmt.from_long(2) tag3 = gr.tag_t() tag3.offset = 6 tag3.key = pmt.string_to_symbol(tagname) tag3.value = pmt.from_long(4) src = blocks.vector_source_b(data, False, 1, (tag1, tag2, tag3)) formatter_object = digital.packet_header_default(12, tagname) header = digital.packet_headergenerator_bb( formatter_object.formatter(), tagname) sink = blocks.vector_sink_b() self.tb.connect(src, header, sink) self.tb.run() expected_data = (0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0) self.assertEqual(sink.data(), expected_data)
def test_003_12bits_formatter_object (self): # 3 PDUs: | | | | data = (1, 2, 3, 4, 1, 2, 1, 2, 3, 4) tagname = "packet_len" tag1 = gr.tag_t() tag1.offset = 0 tag1.key = pmt.string_to_symbol(tagname) tag1.value = pmt.from_long(4) tag2 = gr.tag_t() tag2.offset = 4 tag2.key = pmt.string_to_symbol(tagname) tag2.value = pmt.from_long(2) tag3 = gr.tag_t() tag3.offset = 6 tag3.key = pmt.string_to_symbol(tagname) tag3.value = pmt.from_long(4) src = blocks.vector_source_b(data, False, 1, (tag1, tag2, tag3)) formatter_object = digital.packet_header_default(12, tagname) header = digital.packet_headergenerator_bb(formatter_object.formatter(), tagname) sink = blocks.vector_sink_b() self.tb.connect(src, header, sink) self.tb.run() expected_data = ( 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 ) self.assertEqual(sink.data(), expected_data)
def test_packet_encoder_bpsk (self): preamble = (1,-1,-1,1) src_data = (0b11001000,0b01111111,0b01100001,0b11110100) constel_header = digital.constellation_calcdist(([1,-1]), ([0, 1]), 2, 1).base() constel_payload = digital.constellation_calcdist(([1,-1]), ([0, 1]), 2, 1).base() header_formatter = digital.packet_header_default(32/constel_header.bits_per_symbol(), "packet_len", "packet_num", constel_header.bits_per_symbol()) expected_result = preamble + \ ((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), (-1+0j), (1+0j), (1+0j), (1+0j), (-1+0j), (1+0j), (-1+0j), (-1+0j), (-1+0j), (-1+0j)) # Manual verification: # PREAMBLE: # ( 1+0j), (-1+0j), (-1+0j), ( 1+0j), # HEADER : Bits 0-11: payload length in symbols (take care of order! LSB more to the 'left'!), bits 12-23: packet number, bits 24-31 8-BIT CRC # # (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) # which is 00000100 0000|0000 00000000|11111000 (packet length of 32 symbols) # # PAYLOAD : # (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)) # which is 00010011 11111110 10000110 00101111 # so each byte is reversed because its read LSB first, which is correct src = blocks.vector_source_b (src_data, repeat=False) packet_len = len(src_data) tagger = blocks.stream_to_tagged_stream(1, 1, packet_len, "packet_len") repacker = blocks.repack_bits_bb(8, 1, "packet_len", False, gr.GR_LSB_FIRST) #arguments: preamble, constel_header, constel_payload, header_formatter, lengthtagname, zero_padding, whiten, itemsize penc = packetizer.packet_encoder (preamble, constel_header, constel_payload, header_formatter, "packet_len",0, False,1 ) snk = blocks.vector_sink_c(1) self.tb.connect (src, tagger) self.tb.connect (tagger, repacker) self.tb.connect (repacker, penc) self.tb.connect (penc, snk) self.tb.run () result_data = snk.data () #print "\n RESULT DATA",result_data,"\n" self.assertFloatTuplesAlmostEqual (expected_result, result_data)
def set_header_len(self, header_len): self.header_len = header_len self.set_header_formatter( digital.packet_header_default(self.header_len, self.len_tag_key, self.num_tag_key, 1)) self.blocks_stream_to_tagged_stream_0.set_packet_len(self.header_len) self.blocks_stream_to_tagged_stream_0.set_packet_len_pmt( self.header_len)
def test_003_12bits_formatter_object(self): # 3 packets: | | | | data, tags = self.setup_data_tags(((1, 2, 3, 4), (1, 2), (1, 2, 3, 4))) src = blocks.vector_source_b(data, tags=tags) formatter_object = digital.packet_header_default(12, self.tsb_key) header = digital.packet_headergenerator_bb( formatter_object.formatter(), self.tsb_key) sink = blocks.vector_sink_b() self.tb.connect(src, header, sink) self.tb.run() expected_data = (0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0) self.assertEqual(sink.data(), expected_data)
def test_003_12bits_formatter_object (self): # 3 packets: | | | | data, tags = self.setup_data_tags(((1, 2, 3, 4), (1, 2), (1, 2, 3, 4))) src = blocks.vector_source_b(data, tags=tags) formatter_object = digital.packet_header_default(12, self.tsb_key) header = digital.packet_headergenerator_bb(formatter_object.formatter(), self.tsb_key) sink = blocks.vector_sink_b() self.tb.connect(src, header, sink) self.tb.run() expected_data = ( 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 ) self.assertEqual(sink.data(), expected_data)
def __init__(self): grc_wxgui.top_block_gui.__init__(self, title="Receiver") ################################################## # Variables ################################################## self.samp_rate = samp_rate = 1000000 ################################################## # 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(samp_rate) self.uhd_usrp_source_0.set_center_freq(1000000, 0) self.uhd_usrp_source_0.set_gain(0, 0) self.low_pass_filter_0 = filter.interp_fir_filter_ccf(1, firdes.low_pass( 32, samp_rate, 0.45*samp_rate, 10000, firdes.WIN_HAMMING, 6.76)) self.digital_packet_headerparser_b_0 = digital.packet_headerparser_b(digital.packet_header_default(40,"packet_len")) self.digital_header_payload_demux_0 = digital.header_payload_demux( 40, 1, 0, "packet_len", '', True, gr.sizeof_gr_complex, "rx_time", samp_rate, (""), 0, ) self.digital_gmsk_demod_0 = digital.gmsk_demod( samples_per_symbol=2, gain_mu=0.175, mu=0.5, omega_relative_limit=0.005, freq_error=0.0, verbose=False, log=False, ) self.digital_crc32_bb_0_0 = digital.crc32_bb(True, "packet_len", True) self.digital_constellation_decoder_cb_0_0 = digital.constellation_decoder_cb(digital.constellation_bpsk().base()) self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(digital.constellation_bpsk().base()) self.blocks_tuntap_pdu_1 = blocks.tuntap_pdu('tun1', 10000, False) self.blocks_tagged_stream_to_pdu_0 = blocks.tagged_stream_to_pdu(blocks.byte_t, 'packet_len') self.blocks_tag_debug_0 = blocks.tag_debug(gr.sizeof_char*1, 'test', ""); self.blocks_tag_debug_0.set_display(False) self.blocks_repack_bits_bb_0_0 = blocks.repack_bits_bb(1, 8, "packet_len", True, gr.GR_LSB_FIRST) self.blocks_float_to_char_0 = blocks.float_to_char(1, 1) self.blks2_packet_decoder_0 = grc_blks2.packet_demod_c(grc_blks2.packet_decoder( access_code='', threshold=-1, callback=lambda ok, payload: self.blks2_packet_decoder_0.recv_pkt(ok, payload), ), ) self.analog_const_source_x_0 = analog.sig_source_f(0, analog.GR_CONST_WAVE, 0, 0, 1) ################################################## # Connections ################################################## self.msg_connect((self.blocks_tagged_stream_to_pdu_0, 'pdus'), (self.blocks_tuntap_pdu_1, 'pdus')) 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.blocks_float_to_char_0, 0)) self.connect((self.blks2_packet_decoder_0, 0), (self.digital_header_payload_demux_0, 0)) self.connect((self.blocks_float_to_char_0, 0), (self.digital_header_payload_demux_0, 1)) self.connect((self.blocks_repack_bits_bb_0_0, 0), (self.digital_crc32_bb_0_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_0_0, 0), (self.blocks_repack_bits_bb_0_0, 0)) self.connect((self.digital_crc32_bb_0_0, 0), (self.blocks_tag_debug_0, 0)) self.connect((self.digital_crc32_bb_0_0, 0), (self.blocks_tagged_stream_to_pdu_0, 0)) self.connect((self.digital_gmsk_demod_0, 0), (self.blks2_packet_decoder_0, 0)) self.connect((self.digital_header_payload_demux_0, 0), (self.digital_constellation_decoder_cb_0, 0)) self.connect((self.digital_header_payload_demux_0, 1), (self.digital_constellation_decoder_cb_0_0, 0)) self.connect((self.low_pass_filter_0, 0), (self.digital_gmsk_demod_0, 0)) self.connect((self.uhd_usrp_source_0, 0), (self.low_pass_filter_0, 0))
def __init__(self, corr_tag_delay=131): gr.top_block.__init__(self, "Lab3 BER") Qt.QWidget.__init__(self) self.setWindowTitle("Lab3 BER") 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", "lab3_ber") 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.corr_tag_delay = corr_tag_delay ################################################## # Variables ################################################## self.rolloff = rolloff = 0.5 self.sps = sps = 4 self.snr_default = snr_default = 8.5 self.rolloff_ = rolloff_ = rolloff self.payload_len = payload_len = 31 self.num_tag_key = num_tag_key = "packet_num" self.nfilts_pfb = nfilts_pfb = 32 self.mark_delays = mark_delays = [0, 0, 34, 56, 87, 119] self.len_tag_key = len_tag_key = "packet_length" self.header_len = header_len = 32 self.cw_len = cw_len = 32 self.tag_s = tag_s = gr.tag_utils.python_to_tag( (0, pmt.intern(len_tag_key), pmt.from_long(payload_len), pmt.intern("vect_test_src"))) self.tag0 = tag0 = gr.tag_utils.python_to_tag( (0, pmt.intern(len_tag_key), pmt.from_long(cw_len), pmt.intern("vect_cw_src"))) self.sync_seq = sync_seq = [ 1, 1, -1, 1, -1, 1, 1, 1, -1, -1, 1, -1, -1, -1, 1, -1, -1, 1, 1, -1, 1, 1, -1, -1, -1, -1, 1, 1, -1, -1, 1, 1, 1, -1, -1, 1, 1, 1, -1, -1, 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.snr_db = snr_db = snr_default self.samp_rate = samp_rate = 1e3 self.rrc_filter = rrc_filter = firdes.root_raised_cosine( 4, sps, 1, rolloff_, 32 * sps + 1) self.reset_ber = reset_ber = 0 self.pn_order = pn_order = np.round(np.log2(payload_len + 1)) self.pn6_padded = pn6_padded = [ 1, 1, 1, 1, 1, 1, -1, 1, -1, 1, -1, 1, 1, -1, -1, 1, 1, -1, 1, 1, 1, -1, 1, 1, -1, 1, -1, -1, 1, -1, -1, 1, 1, 1, -1, -1, -1, 1, -1, 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, 0, 0, 0, 0 ] self.pn6 = pn6 = [ 1, 1, 1, 1, 1, 1, -1, 1, -1, 1, -1, 1, 1, -1, -1, 1, 1, -1, 1, 1, 1, -1, 1, 1, -1, 1, -1, -1, 1, -1, -1, 1, 1, 1, -1, -1, -1, 1, -1, 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.pn5 = pn5 = [ 1, -1, 1, -1, 1, 1, 1, -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.pi = pi = np.pi self.pfb_filter = pfb_filter = firdes.root_raised_cosine( nfilts_pfb, nfilts_pfb * sps, 1, rolloff_, nfilts_pfb * 11 * sps + 1) self.mark_delay = mark_delay = mark_delays[sps] self.header_formatter_0 = header_formatter_0 = digital.packet_header_default( header_len, len_tag_key, num_tag_key, 1) self.header_formatter = header_formatter = digital.packet_header_default( header_len, len_tag_key, num_tag_key, 1) self.fc = fc = 900e6 self.const = const = digital.constellation_calcdist( digital.psk_2()[0], digital.psk_2()[1], 2, 1).base() self.buffer_size = buffer_size = 32768 self.bFilter = bFilter = 1 self.agc_rate = agc_rate = 1e-4 ################################################## # Blocks ################################################## self._snr_db_range = Range(0, 20, 0.5, snr_default, 200) self._snr_db_win = RangeWidget(self._snr_db_range, self.set_snr_db, 'SNR (dB)', "counter_slider", float) self.top_grid_layout.addWidget(self._snr_db_win) self._rolloff__range = Range(0.01, 0.99, 0.01, rolloff, 200) self._rolloff__win = RangeWidget(self._rolloff__range, self.set_rolloff_, 'Beta (Excess BW)', "counter_slider", float) self.top_grid_layout.addWidget(self._rolloff__win) _reset_ber_push_button = Qt.QPushButton('Reset BER') _reset_ber_push_button = Qt.QPushButton('Reset BER') self._reset_ber_choices = {'Pressed': 1, 'Released': 0} _reset_ber_push_button.pressed.connect( lambda: self.set_reset_ber(self._reset_ber_choices['Pressed'])) _reset_ber_push_button.released.connect( lambda: self.set_reset_ber(self._reset_ber_choices['Released'])) self.top_grid_layout.addWidget(_reset_ber_push_button) # Create the options list self._bFilter_options = ( 1, 2, ) # Create the labels list self._bFilter_labels = ( 'Raised Cosine (Mis-Matched)', 'Root Raised Cosine (Matched)', ) # Create the combo box self._bFilter_tool_bar = Qt.QToolBar(self) self._bFilter_tool_bar.addWidget(Qt.QLabel('TX Filter Select' + ": ")) self._bFilter_combo_box = Qt.QComboBox() self._bFilter_tool_bar.addWidget(self._bFilter_combo_box) for _label in self._bFilter_labels: self._bFilter_combo_box.addItem(_label) self._bFilter_callback = lambda i: Qt.QMetaObject.invokeMethod( self._bFilter_combo_box, "setCurrentIndex", Qt.Q_ARG("int", self._bFilter_options.index(i))) self._bFilter_callback(self.bFilter) self._bFilter_combo_box.currentIndexChanged.connect( lambda i: self.set_bFilter(self._bFilter_options[i])) # Create the radio buttons self.top_grid_layout.addWidget(self._bFilter_tool_bar) self._agc_rate_range = Range(1e-4, 1e-3, 1e-4, 1e-4, 200) self._agc_rate_win = RangeWidget(self._agc_rate_range, self.set_agc_rate, 'AGC Decay Rate', "counter_slider", float) self.top_grid_layout.addWidget(self._agc_rate_win) self.wes_packet_tx_0 = wes_packet_tx( cw_len=cw_len, payload_len=payload_len, samp_rate=samp_rate, ) self.wes_ber_0 = wes.ber(1, reset_ber) 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("# of Errors") 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_0_0.set_min(i, -1) self.qtgui_number_sink_0_0.set_max(i, 1) 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_grid_layout.addWidget(self._qtgui_number_sink_0_0_win) 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 range(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_const_sink_x_0 = qtgui.const_sink_c( 1024, #size "", #name 2 #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(True) 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, 1, 0, 0, 0, 0, 0, 0, 0, 0] markers = [0, -1, 0, 0, 0, 0, 0, 0, 0, 0] alphas = [1.0, 0.5, 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_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.pulse_shape_hier_0 = pulse_shape_hier( bFilter=bFilter, rect_taps=(1, 1, 1, 1), roll_off=rolloff_, sps=sps, ) self.iio_pluto_source_0 = iio.pluto_source('', int(fc), int(samp_rate * 1e3), 20000000, buffer_size, True, True, True, 'manual', 18, '', True) self.iio_pluto_sink_0 = iio.pluto_sink('', int(fc), int(samp_rate * 1e3), 20000000, buffer_size, False, 10.0, '', True) self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf( sps, 2 * pi / 200, pfb_filter, nfilts_pfb, int(nfilts_pfb / 2), 0.5, 1) self.digital_packet_headerparser_b_0_0 = digital.packet_headerparser_b( header_formatter.formatter()) self.digital_header_payload_demux_0 = digital.header_payload_demux( header_len, 1, 0, "packet_length", "corr_est", False, gr.sizeof_gr_complex, "rx_time", 1, (), 0) self.digital_glfsr_source_x_0 = digital.glfsr_source_b( int(pn_order), True, 0, 1) self.digital_diff_decoder_bb_0_0 = digital.diff_decoder_bb(2) self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(2) self.digital_costas_loop_cc_0 = digital.costas_loop_cc( 2 * pi / 200, 2, False) self.digital_corr_est_cc_0 = digital.corr_est_cc( pn6_padded, 1, 64, 0.7, digital.THRESHOLD_ABSOLUTE) self.digital_constellation_decoder_cb_0_0_0_0_0 = digital.constellation_decoder_cb( const) self.digital_constellation_decoder_cb_0_0_0_0 = digital.constellation_decoder_cb( const) self.blocks_add_xx_0 = blocks.add_vcc(1) self.analog_noise_source_x_0 = analog.noise_source_c( analog.GR_GAUSSIAN, np.sqrt(2) * np.sqrt(0.5 / np.power(10, snr_db / 10)), 0) self.analog_agc_xx_0 = analog.agc_cc(agc_rate, 1.0, 1.0) self.analog_agc_xx_0.set_max_gain(65536) ################################################## # Connections ################################################## self.msg_connect( (self.digital_packet_headerparser_b_0_0, 'header_data'), (self.digital_header_payload_demux_0, 'header_data')) self.connect((self.analog_agc_xx_0, 0), (self.digital_costas_loop_cc_0, 0)) self.connect((self.analog_noise_source_x_0, 0), (self.blocks_add_xx_0, 0)) self.connect((self.blocks_add_xx_0, 0), (self.digital_constellation_decoder_cb_0_0_0_0_0, 0)) self.connect((self.blocks_add_xx_0, 0), (self.qtgui_const_sink_x_0, 0)) self.connect((self.blocks_add_xx_0, 0), (self.qtgui_const_sink_x_0, 1)) self.connect((self.digital_constellation_decoder_cb_0_0_0_0, 0), (self.digital_diff_decoder_bb_0, 0)) self.connect((self.digital_constellation_decoder_cb_0_0_0_0_0, 0), (self.digital_diff_decoder_bb_0_0, 0)) self.connect((self.digital_corr_est_cc_0, 0), (self.digital_header_payload_demux_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0)) self.connect((self.digital_diff_decoder_bb_0, 0), (self.digital_packet_headerparser_b_0_0, 0)) self.connect((self.digital_diff_decoder_bb_0_0, 0), (self.wes_ber_0, 0)) self.connect((self.digital_glfsr_source_x_0, 0), (self.wes_ber_0, 1)) self.connect((self.digital_glfsr_source_x_0, 0), (self.wes_packet_tx_0, 0)) self.connect((self.digital_header_payload_demux_0, 1), (self.blocks_add_xx_0, 1)) self.connect((self.digital_header_payload_demux_0, 0), (self.digital_constellation_decoder_cb_0_0_0_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_corr_est_cc_0, 0)) self.connect((self.iio_pluto_source_0, 0), (self.analog_agc_xx_0, 0)) self.connect((self.pulse_shape_hier_0, 0), (self.iio_pluto_sink_0, 0)) self.connect((self.wes_ber_0, 0), (self.qtgui_number_sink_0, 0)) self.connect((self.wes_ber_0, 1), (self.qtgui_number_sink_0_0, 0)) self.connect((self.wes_packet_tx_0, 0), (self.pulse_shape_hier_0, 0))
def set_length_tag_key(self, length_tag_key): self.length_tag_key = length_tag_key self.set_header_formatter(digital.packet_header_default(self.hsize,self.length_tag_key))
def __init__(self): grc_wxgui.top_block_gui.__init__(self, title="Transmitter") ################################################## # Variables ################################################## self.samp_rate = samp_rate = 1000000 ################################################## # Blocks ################################################## self.uhd_usrp_sink_0 = uhd.usrp_sink( ",".join(("addr==192.168.10.2", "")), uhd.stream_args( cpu_format="fc32", channels=range(1), ), "packet_len", ) self.uhd_usrp_sink_0.set_samp_rate(samp_rate) self.uhd_usrp_sink_0.set_center_freq(1000000, 0) self.uhd_usrp_sink_0.set_gain(0, 0) self.digital_packet_headergenerator_bb_0 = digital.packet_headergenerator_bb(digital.packet_header_default(40,"packet_len"), "packet_len") self.digital_gmsk_mod_0 = digital.gmsk_mod( samples_per_symbol=2, bt=0.35, verbose=False, log=False, ) self.digital_crc32_bb_0 = digital.crc32_bb(False, "packet_len", True) self.digital_chunks_to_symbols_xx_1_0 = digital.chunks_to_symbols_bc((digital.constellation_bpsk().points()), 1) self.digital_chunks_to_symbols_xx_1 = digital.chunks_to_symbols_bc((digital.constellation_bpsk().points()), 1) self.blocks_tuntap_pdu_0 = blocks.tuntap_pdu('tun0', 10000, False) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char*1, samp_rate,True) self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux(gr.sizeof_gr_complex*1, "packet_len", 0) self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb(8, 1, "packet_len", False, gr.GR_LSB_FIRST) self.blocks_pdu_to_tagged_stream_0 = blocks.pdu_to_tagged_stream(blocks.byte_t, 'packet_len') self.blks2_packet_encoder_0 = grc_blks2.packet_mod_c(grc_blks2.packet_encoder( samples_per_symbol=2, bits_per_symbol=1, preamble='', access_code='', pad_for_usrp=False, ), payload_length=0, ) ################################################## # Connections ################################################## self.msg_connect((self.blocks_tuntap_pdu_0, 'pdus'), (self.blocks_pdu_to_tagged_stream_0, 'pdus')) self.connect((self.blks2_packet_encoder_0, 0), (self.digital_gmsk_mod_0, 0)) self.connect((self.blocks_pdu_to_tagged_stream_0, 0), (self.blocks_throttle_0, 0)) self.connect((self.blocks_repack_bits_bb_0, 0), (self.digital_chunks_to_symbols_xx_1_0, 0)) self.connect((self.blocks_repack_bits_bb_0, 0), (self.digital_packet_headergenerator_bb_0, 0)) self.connect((self.blocks_tagged_stream_mux_0, 0), (self.blks2_packet_encoder_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.digital_crc32_bb_0, 0)) self.connect((self.digital_chunks_to_symbols_xx_1, 0), (self.blocks_tagged_stream_mux_0, 0)) self.connect((self.digital_chunks_to_symbols_xx_1_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_gmsk_mod_0, 0), (self.uhd_usrp_sink_0, 0)) self.connect((self.digital_packet_headergenerator_bb_0, 0), (self.digital_chunks_to_symbols_xx_1, 0))
def __init__(self, cw_len=64, payload_len=255, samp_rate=1e6): gr.hier_block2.__init__( self, "Wes Packet Tx", gr.io_signature(1, 1, gr.sizeof_char * 1), gr.io_signaturev(6, 6, [ gr.sizeof_gr_complex * 1, gr.sizeof_char * 1, gr.sizeof_char * 1, gr.sizeof_char * 1, gr.sizeof_char * 1, gr.sizeof_char * 1 ]), ) ################################################## # Parameters ################################################## self.cw_len = cw_len self.payload_len = payload_len self.samp_rate = samp_rate ################################################## # Variables ################################################## self.num_tag_key = num_tag_key = "packet_num" self.len_tag_key = len_tag_key = "packet_length" self.header_len = header_len = 32 self.throttle_rate = throttle_rate = 100e3 self.tag_s = tag_s = gr.tag_utils.python_to_tag( (0, pmt.intern(len_tag_key), pmt.from_long(payload_len), pmt.intern("vect_test_src"))) self.tag0 = tag0 = gr.tag_utils.python_to_tag( (0, pmt.intern(len_tag_key), pmt.from_long(cw_len), pmt.intern("vect_cw_src"))) self.sync_seq = sync_seq = [ 1, 1, -1, 1, -1, 1, 1, 1, -1, -1, 1, -1, -1, -1, 1, -1, -1, 1, 1, -1, 1, 1, -1, -1, -1, -1, 1, 1, -1, -1, 1, 1, 1, -1, -1, 1, 1, 1, -1, -1, 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.sync_len = sync_len = 63 self.sym_table = sym_table = [-1, 1] self.pi = pi = 3.141592654 self.header_formatter = header_formatter = digital.packet_header_default( header_len, len_tag_key, num_tag_key, 1) self.diff_mod = diff_mod = 4 self.cw = cw = int((cw_len / 4)) * [1, 0, 1, 0] self.const = const = digital.constellation_calcdist( digital.psk_4()[0], digital.psk_4()[1], 2, 1).base() ################################################## # Blocks ################################################## self.digital_packet_headergenerator_bb_0_0 = digital.packet_headergenerator_bb( header_formatter.formatter(), len_tag_key) self.digital_glfsr_source_x_0 = digital.glfsr_source_b(6, True, 0, 1) self.digital_diff_encoder_bb_0_0 = digital.diff_encoder_bb(2) self.digital_diff_encoder_bb_0 = digital.diff_encoder_bb(2) self.digital_chunks_to_symbols_xx_0_0 = digital.chunks_to_symbols_bc( (-1, 1), 1) self.blocks_vector_source_x_0_0 = blocks.vector_source_b( cw, True, 1, [tag0]) self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux( gr.sizeof_char * 1, len_tag_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, sync_len, "packet_length") self.blocks_stream_to_tagged_stream_0_0_0 = blocks.stream_to_tagged_stream( gr.sizeof_char, 1, payload_len, len_tag_key) self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream( gr.sizeof_char, 1, header_len, len_tag_key) self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb( 1, 1, "packet_length", False, gr.GR_LSB_FIRST) ################################################## # Connections ################################################## self.connect((self.blocks_repack_bits_bb_0, 0), (self.digital_diff_encoder_bb_0, 0)) self.connect((self.blocks_repack_bits_bb_0, 0), (self, 5)) self.connect((self.blocks_stream_to_tagged_stream_0, 0), (self.blocks_repack_bits_bb_0, 0)) self.connect((self.blocks_stream_to_tagged_stream_0_0_0, 0), (self.digital_diff_encoder_bb_0_0, 0)) self.connect((self.blocks_stream_to_tagged_stream_0_0_0, 0), (self.digital_packet_headergenerator_bb_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, 2)) self.connect((self.blocks_tag_gate_0, 0), (self.blocks_stream_to_tagged_stream_0, 0)) self.connect((self.blocks_tagged_stream_mux_0, 0), (self.digital_chunks_to_symbols_xx_0_0, 0)) self.connect((self.blocks_vector_source_x_0_0, 0), (self.blocks_tagged_stream_mux_0, 0)) self.connect((self.blocks_vector_source_x_0_0, 0), (self, 1)) self.connect((self.digital_chunks_to_symbols_xx_0_0, 0), (self, 0)) self.connect((self.digital_diff_encoder_bb_0, 0), (self.blocks_tagged_stream_mux_0, 2)) self.connect((self.digital_diff_encoder_bb_0, 0), (self, 4)) self.connect((self.digital_diff_encoder_bb_0_0, 0), (self.blocks_tagged_stream_mux_0, 3)) self.connect((self.digital_diff_encoder_bb_0_0, 0), (self, 3)) self.connect((self.digital_glfsr_source_x_0, 0), (self.blocks_stream_to_tagged_stream_1, 0)) self.connect((self.digital_packet_headergenerator_bb_0_0, 0), (self.blocks_tag_gate_0, 0)) self.connect((self, 0), (self.blocks_stream_to_tagged_stream_0_0_0, 0))
def __init__(self, access_code_threshold=0, hw_sample_rate=1e7, resample_rate=100, sps=8): gr.hier_block2.__init__( self, "BPSK FHSS Modem V3", gr.io_signature(1, 1, gr.sizeof_gr_complex*1), gr.io_signature(1, 1, gr.sizeof_gr_complex*1), ) self.message_port_register_hier_in("tx_freq_in") self.message_port_register_hier_in("rx_freq_in") self.message_port_register_hier_in("msg_in") self.message_port_register_hier_out("msg_out") ################################################## # Parameters ################################################## self.access_code_threshold = access_code_threshold self.hw_sample_rate = hw_sample_rate self.resample_rate = resample_rate self.sps = sps ################################################## # Variables ################################################## self.samp_rate = samp_rate = 100000 self.nfilts = nfilts = 32 self.excess_bw = excess_bw = 0.35 self.rrc_taps = rrc_taps = firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), excess_bw, 5*sps*nfilts) self.header_specs = header_specs = digital.packet_header_default(5,"packet_len","packet_num",8) self.firdes_tap = firdes_tap = firdes.low_pass(1, samp_rate, 22000, 8000, firdes.WIN_BLACKMAN_HARRIS, 6.76) self.BPSK = BPSK = digital.constellation_calcdist(([-1, 1]), ([0, 1]), 4, 1).base() ################################################## # Blocks ################################################## self.rational_resampler_xxx_0_0 = filter.rational_resampler_ccc( interpolation=1, decimation=resample_rate, taps=None, fractional_bw=None, ) self.rational_resampler_xxx_0 = filter.rational_resampler_ccc( interpolation=resample_rate, decimation=1, taps=None, fractional_bw=None, ) self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(1, (1, ), 1e5, samp_rate) self.fft_filter_xxx_0 = filter.fft_filter_ccc(1, (firdes_tap), 1) self.fft_filter_xxx_0.declare_sample_delay(0) self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(sps, .063, (rrc_taps), nfilts, nfilts/2, 1.5, 1) self.digital_packet_headerparser_b_0 = digital.packet_headerparser_b(header_specs) self.digital_packet_headergenerator_bb_0 = digital.packet_headergenerator_bb(header_specs, "pkt_len") self.digital_header_payload_demux_0_0 = digital.header_payload_demux( 5, 1, 0, "packet_len", "packet_len", False, gr.sizeof_char, "rx_time", samp_rate, (), ) self.digital_crc32_async_bb_1 = digital.crc32_async_bb(False) self.digital_crc32_async_bb_0 = digital.crc32_async_bb(True) self.digital_costas_loop_cc_0 = digital.costas_loop_cc(3.14/100, 2, False) self.digital_constellation_modulator_0 = digital.generic_mod( constellation=BPSK, differential=False, samples_per_symbol=sps, pre_diff_code=True, excess_bw=excess_bw, verbose=False, log=False, ) self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb() self.blocks_unpacked_to_packed_xx_0 = blocks.unpacked_to_packed_bb(1, gr.GR_MSB_FIRST) 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_char*1, "pkt_len", 0) self.blocks_pdu_to_tagged_stream_0 = blocks.pdu_to_tagged_stream(blocks.byte_t, "pkt_len") self.blocks_multiply_xx_0 = blocks.multiply_vcc(1) self.blocks_message_debug_0 = blocks.message_debug() self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_char*1, "output.bin", False) self.blocks_file_sink_0.set_unbuffered(False) self.blocks_complex_to_real_0 = blocks.complex_to_real(1) self.analog_sig_source_x_0 = analog.sig_source_c(samp_rate, analog.GR_COS_WAVE, 0, 1, 0) self.analog_agc_xx_0 = analog.agc_cc(1e-4, 1.0, 1.0) self.analog_agc_xx_0.set_max_gain(65536) ################################################## # Connections ################################################## self.msg_connect((self.blocks_tagged_stream_to_pdu_0, 'pdus'), (self.blocks_message_debug_0, 'print')) self.msg_connect((self.blocks_tagged_stream_to_pdu_0, 'pdus'), (self.digital_crc32_async_bb_0, 'in')) self.msg_connect((self.digital_crc32_async_bb_0, 'out'), (self.blocks_message_debug_0, 'print')) self.msg_connect((self.digital_crc32_async_bb_0, 'out'), (self, 'msg_out')) self.msg_connect((self.digital_crc32_async_bb_1, 'out'), (self.blocks_pdu_to_tagged_stream_0, 'pdus')) self.msg_connect((self.digital_packet_headerparser_b_0, 'header_data'), (self.digital_header_payload_demux_0_0, 'header_data')) self.msg_connect((self, 'tx_freq_in'), (self.analog_sig_source_x_0, 'freq')) self.msg_connect((self, 'rx_freq_in'), (self.freq_xlating_fir_filter_xxx_0, 'freq')) self.msg_connect((self, 'msg_in'), (self.digital_crc32_async_bb_1, 'in')) self.connect((self.analog_agc_xx_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0)) self.connect((self.analog_sig_source_x_0, 0), (self.blocks_multiply_xx_0, 1)) self.connect((self.blocks_complex_to_real_0, 0), (self.digital_binary_slicer_fb_0, 0)) self.connect((self.blocks_multiply_xx_0, 0), (self.rational_resampler_xxx_0, 0)) self.connect((self.blocks_pdu_to_tagged_stream_0, 0), (self.blocks_tagged_stream_mux_0, 1)) self.connect((self.blocks_pdu_to_tagged_stream_0, 0), (self.digital_packet_headergenerator_bb_0, 0)) self.connect((self.blocks_tagged_stream_mux_0, 0), (self.digital_constellation_modulator_0, 0)) self.connect((self.blocks_unpacked_to_packed_xx_0, 0), (self.blocks_file_sink_0, 0)) self.connect((self.digital_binary_slicer_fb_0, 0), (self.blocks_unpacked_to_packed_xx_0, 0)) self.connect((self.digital_binary_slicer_fb_0, 0), (self.digital_header_payload_demux_0_0, 0)) self.connect((self.digital_constellation_modulator_0, 0), (self.blocks_multiply_xx_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.blocks_complex_to_real_0, 0)) self.connect((self.digital_header_payload_demux_0_0, 1), (self.blocks_tagged_stream_to_pdu_0, 0)) self.connect((self.digital_header_payload_demux_0_0, 0), (self.digital_packet_headerparser_b_0, 0)) self.connect((self.digital_packet_headergenerator_bb_0, 0), (self.blocks_tagged_stream_mux_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_costas_loop_cc_0, 0)) self.connect((self.fft_filter_xxx_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.fft_filter_xxx_0, 0)) self.connect((self, 0), (self.rational_resampler_xxx_0_0, 0)) self.connect((self.rational_resampler_xxx_0, 0), (self, 0)) self.connect((self.rational_resampler_xxx_0_0, 0), (self.analog_agc_xx_0, 0))
def set_hsize(self, hsize): self.hsize = hsize self.set_header_formatter(digital.packet_header_default(self.hsize,self.length_tag_key))
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.sps = sps = 4 self.nfilts = nfilts = 32 self.length_tag_key = length_tag_key = "packet_len" self.hsize = hsize = 10 self.variable_tag_object_3_0 = variable_tag_object_3_0 = gr.tag_utils.python_to_tag((0, pmt.intern("key"), pmt.intern("value"), pmt.intern("src"))) self.variable_tag_object_3 = variable_tag_object_3 = gr.tag_utils.python_to_tag((0, pmt.intern("key"), pmt.intern("value"), pmt.intern("src"))) self.timing_loop_bw = timing_loop_bw = 6.28/100.0 self.sym = sym = -1,1 self.samp_rate = samp_rate = 32000 self.rrc_taps = rrc_taps = firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), 0.35, 11*sps*nfilts) self.qpsk = qpsk = digital.constellation_qpsk().base() self.phase_bw = phase_bw = 6.28/100.0 self.original = original = gr.tag_utils.python_to_tag((96, "original", 96, pmt.intern("src"))) self.header_formatter = header_formatter = digital.packet_header_default(hsize,length_tag_key) self.excess_bw = excess_bw = 0.35 self.eq_gain = eq_gain = 0.01 self.arity = arity = 4 ################################################## # Blocks ################################################## self._timing_loop_bw_range = Range(0.0, 0.2, 0.01, 6.28/100.0, 200) self._timing_loop_bw_win = RangeWidget(self._timing_loop_bw_range, self.set_timing_loop_bw, 'Time: BW', "slider", float) self.top_grid_layout.addWidget(self._timing_loop_bw_win, 6, 3, 1, 1) for r in range(6, 7): self.top_grid_layout.setRowStretch(r, 1) for c in range(3, 4): self.top_grid_layout.setColumnStretch(c, 1) self._phase_bw_range = Range(0.0, 1.0, 0.01, 6.28/100.0, 200) self._phase_bw_win = RangeWidget(self._phase_bw_range, self.set_phase_bw, 'Phase: Bandwidth', "dial", float) self.top_grid_layout.addWidget(self._phase_bw_win, 6, 1, 1, 1) for r in range(6, 7): self.top_grid_layout.setRowStretch(r, 1) for c in range(1, 2): self.top_grid_layout.setColumnStretch(c, 1) self._eq_gain_range = Range(0.0, 0.1, 0.001, 0.01, 200) self._eq_gain_win = RangeWidget(self._eq_gain_range, self.set_eq_gain, 'Equalizer: rate (Gain)', "slider", float) self.top_grid_layout.addWidget(self._eq_gain_win, 6, 2, 1, 1) for r in range(6, 7): self.top_grid_layout.setRowStretch(r, 1) for c in range(2, 3): self.top_grid_layout.setColumnStretch(c, 1) self.digital_packet_headergenerator_bb_0 = digital.packet_headergenerator_bb(header_formatter.formatter(), "original") self.digital_crc32_bb_0 = digital.crc32_bb(False, "original", True) self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc((qpsk.points()), 1) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char*1, samp_rate,True) self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux(gr.sizeof_char*1, "original", 0) self.blocks_tag_debug_1_1_0_0_1_0 = blocks.tag_debug(gr.sizeof_char*1, 'Tx Bytes_Mux', ""); self.blocks_tag_debug_1_1_0_0_1_0.set_display(True) self.blocks_tag_debug_1_1_0_0 = blocks.tag_debug(gr.sizeof_gr_complex*1, 'Tx Bytes_Symbols', ""); self.blocks_tag_debug_1_1_0_0.set_display(True) self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(gr.sizeof_char, 1, 96, "original") self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb(8, 2, "original", False, gr.GR_LSB_FIRST) self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char*1, '/home/andre/Desktop/transmit_maior.txt', False) self.blocks_file_source_0.set_begin_tag(pmt.PMT_NIL) ################################################## # Connections ################################################## self.connect((self.blocks_file_source_0, 0), (self.blocks_stream_to_tagged_stream_0, 0)) self.connect((self.blocks_repack_bits_bb_0, 0), (self.blocks_tagged_stream_mux_0, 1)) self.connect((self.blocks_repack_bits_bb_0, 0), (self.digital_packet_headergenerator_bb_0, 0)) self.connect((self.blocks_stream_to_tagged_stream_0, 0), (self.blocks_throttle_0, 0)) self.connect((self.blocks_tagged_stream_mux_0, 0), (self.blocks_tag_debug_1_1_0_0_1_0, 0)) self.connect((self.blocks_tagged_stream_mux_0, 0), (self.digital_chunks_to_symbols_xx_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.digital_crc32_bb_0, 0)) self.connect((self.digital_chunks_to_symbols_xx_0, 0), (self.blocks_tag_debug_1_1_0_0, 0)) self.connect((self.digital_crc32_bb_0, 0), (self.blocks_repack_bits_bb_0, 0)) self.connect((self.digital_packet_headergenerator_bb_0, 0), (self.blocks_tagged_stream_mux_0, 0))
import numpy from gnuradio import digital #from gnuradio.digital.utils import tagged_streams length_tag_name = "packet_len" num_tag_name = "packet_num" # header info bits_per_header=12+16+8; header_mod = digital.constellation_bpsk(); symbols_per_header = bits_per_header/header_mod.bits_per_symbol() if (1.0*bits_per_header)/header_mod.bits_per_symbol() != symbols_per_header: print "Error in evaluating symbols per header; adjusting bits per header" bits_per_header=(symbols_per_header+1)*header_mod.bits_per_symbol() symbols_per_header = bits_per_header/header_mod.bits_per_symbol() header_formatter = digital.packet_header_default(bits_per_header, length_tag_name,num_tag_name,header_mod.bits_per_symbol()); print "symbols_per_header=",symbols_per_header #payload info payload_bytes_per_frame = 50; crc_bytes=4; coded_payload_bytes_per_frame = payload_bytes_per_frame+crc_bytes payload_mod = digital.constellation_qpsk() coded_payload_symbols_per_frame = (coded_payload_bytes_per_frame * 8)/payload_mod.bits_per_symbol() if (coded_payload_bytes_per_frame * 8.0)/payload_mod.bits_per_symbol() != coded_payload_symbols_per_frame: print "Error in evaluating payload symbols per frame; adjusting payload bytes per frame" # add code to fix payload_bytes_per_frame
def __init__(self): grc_wxgui.top_block_gui.__init__(self, title="Top Block") _icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png" self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY)) ################################################## # Variables ################################################## self.length_tag_key = length_tag_key = "packet_len" self.hsize = hsize = 96 self.sym = sym = -1, 1 self.samp_rate = samp_rate = 32000 self.header_formatter = header_formatter = digital.packet_header_default( hsize, length_tag_key) self.hdr_format = hdr_format = digital.header_format_default( digital.packet_utils.default_access_code, 1, 1) self.const = const = digital.constellation_calcdist( (digital.psk_2()[0]), (digital.psk_2()[1]), 2, 1).base() self.const.gen_soft_dec_lut(8) ################################################## # Blocks ################################################## self.digital_packet_headerparser_b_0_0 = digital.packet_headerparser_b( header_formatter) self.digital_packet_headergenerator_bb_0_0 = digital.packet_headergenerator_bb( header_formatter.formatter(), "packet_len") self.digital_header_payload_demux_0 = digital.header_payload_demux( hdr_format.header_nbits(), 1, 0, length_tag_key, length_tag_key, True, gr.sizeof_gr_complex, "rx_time", samp_rate, (), 0, ) self.digital_constellation_decoder_cb_0_1 = digital.constellation_decoder_cb( const.base()) self.digital_constellation_decoder_cb_0_0 = digital.constellation_decoder_cb( const.base()) self.digital_chunks_to_symbols_xx_0_1 = digital.chunks_to_symbols_bc( (const.points()), 1) self.digital_chunks_to_symbols_xx_0_0_0 = digital.chunks_to_symbols_bc( (const.points()), 1) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char * 1, samp_rate, True) self.blocks_tagged_stream_mux_0_0 = blocks.tagged_stream_mux( gr.sizeof_gr_complex * 1, length_tag_key, 0) self.blocks_tagged_stream_multiply_length_0 = blocks.tagged_stream_multiply_length( gr.sizeof_gr_complex * 1, length_tag_key, 8) self.blocks_tag_debug_1_0 = blocks.tag_debug(gr.sizeof_char * 1, 'Rx Bytes', "") self.blocks_tag_debug_1_0.set_display(True) self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream( gr.sizeof_char, 1, 96, length_tag_key) self.blocks_repack_bits_bb_0_3_0 = blocks.repack_bits_bb( 8, 1, length_tag_key, False, gr.GR_LSB_FIRST) self.blocks_repack_bits_bb_0_3 = blocks.repack_bits_bb( 8, 1, length_tag_key, False, gr.GR_LSB_FIRST) self.blocks_repack_bits_bb_0_0_0_0 = blocks.repack_bits_bb( const.bits_per_symbol(), 8, '', False, gr.GR_LSB_FIRST) self.blocks_repack_bits_bb_0_0 = blocks.repack_bits_bb( const.bits_per_symbol(), 8, length_tag_key, False, gr.GR_LSB_FIRST) self.blocks_file_source_0 = blocks.file_source( gr.sizeof_char * 1, '/home/andre/Desktop/transmit_maior.txt', False) self.blocks_file_source_0.set_begin_tag(pmt.PMT_NIL) self.blocks_file_sink_0_1 = blocks.file_sink( gr.sizeof_char * 1, '/home/andre/Desktop/transmitido/depois.txt', False) self.blocks_file_sink_0_1.set_unbuffered(False) ################################################## # Connections ################################################## self.msg_connect( (self.digital_packet_headerparser_b_0_0, 'header_data'), (self.digital_header_payload_demux_0, 'header_data')) self.connect((self.blocks_file_source_0, 0), (self.blocks_stream_to_tagged_stream_0, 0)) self.connect((self.blocks_repack_bits_bb_0_0, 0), (self.blocks_file_sink_0_1, 0)) self.connect((self.blocks_repack_bits_bb_0_0, 0), (self.blocks_tag_debug_1_0, 0)) self.connect((self.blocks_repack_bits_bb_0_0_0_0, 0), (self.digital_packet_headerparser_b_0_0, 0)) self.connect((self.blocks_repack_bits_bb_0_3, 0), (self.digital_chunks_to_symbols_xx_0_0_0, 0)) self.connect((self.blocks_repack_bits_bb_0_3_0, 0), (self.digital_chunks_to_symbols_xx_0_1, 0)) self.connect((self.blocks_stream_to_tagged_stream_0, 0), (self.blocks_throttle_0, 0)) self.connect((self.blocks_tagged_stream_multiply_length_0, 0), (self.digital_constellation_decoder_cb_0_0, 0)) self.connect((self.blocks_tagged_stream_mux_0_0, 0), (self.digital_header_payload_demux_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.blocks_repack_bits_bb_0_3, 0)) self.connect((self.blocks_throttle_0, 0), (self.digital_packet_headergenerator_bb_0_0, 0)) self.connect((self.digital_chunks_to_symbols_xx_0_0_0, 0), (self.blocks_tagged_stream_mux_0_0, 1)) self.connect((self.digital_chunks_to_symbols_xx_0_1, 0), (self.blocks_tagged_stream_mux_0_0, 0)) self.connect((self.digital_constellation_decoder_cb_0_0, 0), (self.blocks_repack_bits_bb_0_0, 0)) self.connect((self.digital_constellation_decoder_cb_0_1, 0), (self.blocks_repack_bits_bb_0_0_0_0, 0)) self.connect((self.digital_header_payload_demux_0, 1), (self.blocks_tagged_stream_multiply_length_0, 0)) self.connect((self.digital_header_payload_demux_0, 0), (self.digital_constellation_decoder_cb_0_1, 0)) self.connect((self.digital_packet_headergenerator_bb_0_0, 0), (self.blocks_repack_bits_bb_0_3_0, 0))