예제 #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))    
예제 #2
0
    def __init__(self,
                 hdr_const=digital.constellation_calcdist(
                     (digital.psk_2()[0]), (digital.psk_2()[1]), 2, 1).base(),
                 hdr_enc=fec.dummy_encoder_make(8000),
                 hdr_format=digital.header_format_default(
                     digital.packet_utils.default_access_code, 0),
                 pld_const=digital.constellation_calcdist(
                     (digital.psk_2()[0]), (digital.psk_2()[1]), 2, 1).base(),
                 pld_enc=fec.dummy_encoder_make(8000),
                 psf_taps=[
                     0,
                 ],
                 sps=2):
        gr.hier_block2.__init__(
            self,
            "Packet Tx",
            gr.io_signature(0, 0, 0),
            gr.io_signaturev(3, 3, [
                gr.sizeof_gr_complex * 1, gr.sizeof_gr_complex * 1,
                gr.sizeof_gr_complex * 1
            ]),
        )
        self.message_port_register_hier_in("in")
        self.message_port_register_hier_out("postcrc")

        ##################################################
        # Parameters
        ##################################################
        self.hdr_const = hdr_const
        self.hdr_enc = hdr_enc
        self.hdr_format = hdr_format
        self.pld_const = pld_const
        self.pld_enc = pld_enc
        self.psf_taps = psf_taps
        self.sps = sps

        ##################################################
        # Variables
        ##################################################
        self.nfilts = nfilts = 32
        self.taps_per_filt = taps_per_filt = len(psf_taps) / nfilts
        self.filt_delay = filt_delay = int(1 + (taps_per_filt - 1) // 2)

        ##################################################
        # Blocks
        ##################################################
        self.pfb_arb_resampler_xxx_0 = pfb.arb_resampler_ccf(sps,
                                                             taps=psf_taps,
                                                             flt_size=nfilts)
        self.pfb_arb_resampler_xxx_0.declare_sample_delay(filt_delay)
        self.fec_async_encoder_0_0 = fec.async_encoder(hdr_enc, True, False,
                                                       False, 1500)
        self.fec_async_encoder_0 = fec.async_encoder(pld_enc, True, False,
                                                     False, 1500)
        self.digital_protocol_formatter_async_0 = digital.protocol_formatter_async(
            hdr_format)
        self.digital_map_bb_1_0 = digital.map_bb(pld_const.pre_diff_code())
        self.digital_map_bb_1 = digital.map_bb(hdr_const.pre_diff_code())
        self.digital_crc32_async_bb_1 = digital.crc32_async_bb(False)
        self.digital_chunks_to_symbols_xx_0_0 = digital.chunks_to_symbols_bc(
            pld_const.points(), 1)
        self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc(
            hdr_const.points(), 1)
        self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux(
            gr.sizeof_gr_complex * 1, 'packet_len', 0)
        self.blocks_tagged_stream_multiply_length_0 = blocks.tagged_stream_multiply_length(
            gr.sizeof_gr_complex * 1, 'packet_len', sps)
        self.blocks_repack_bits_bb_0_0 = blocks.repack_bits_bb(
            8, pld_const.bits_per_symbol(), 'packet_len', False,
            gr.GR_MSB_FIRST)
        self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb(
            8, hdr_const.bits_per_symbol(), 'packet_len', False,
            gr.GR_MSB_FIRST)
        self.blocks_pdu_to_tagged_stream_0_0 = blocks.pdu_to_tagged_stream(
            blocks.byte_t, 'packet_len')
        self.blocks_pdu_to_tagged_stream_0 = blocks.pdu_to_tagged_stream(
            blocks.byte_t, 'packet_len')

        ##################################################
        # Connections
        ##################################################
        self.msg_connect((self.digital_crc32_async_bb_1, 'out'),
                         (self.fec_async_encoder_0, 'in'))
        self.msg_connect((self.digital_crc32_async_bb_1, 'out'),
                         (self, 'postcrc'))
        self.msg_connect((self.digital_protocol_formatter_async_0, 'payload'),
                         (self.blocks_pdu_to_tagged_stream_0, 'pdus'))
        self.msg_connect((self.digital_protocol_formatter_async_0, 'header'),
                         (self.fec_async_encoder_0_0, 'in'))
        self.msg_connect((self.fec_async_encoder_0, 'out'),
                         (self.digital_protocol_formatter_async_0, 'in'))
        self.msg_connect((self.fec_async_encoder_0_0, 'out'),
                         (self.blocks_pdu_to_tagged_stream_0_0, 'pdus'))
        self.msg_connect((self, 'in'), (self.digital_crc32_async_bb_1, 'in'))
        self.connect((self.blocks_pdu_to_tagged_stream_0, 0),
                     (self.blocks_repack_bits_bb_0_0, 0))
        self.connect((self.blocks_pdu_to_tagged_stream_0_0, 0),
                     (self.blocks_repack_bits_bb_0, 0))
        self.connect((self.blocks_repack_bits_bb_0, 0),
                     (self.digital_map_bb_1, 0))
        self.connect((self.blocks_repack_bits_bb_0_0, 0),
                     (self.digital_map_bb_1_0, 0))
        self.connect((self.blocks_tagged_stream_multiply_length_0, 0),
                     (self, 0))
        self.connect((self.blocks_tagged_stream_mux_0, 0), (self, 1))
        self.connect((self.blocks_tagged_stream_mux_0, 0), (self, 2))
        self.connect((self.blocks_tagged_stream_mux_0, 0),
                     (self.pfb_arb_resampler_xxx_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_map_bb_1, 0),
                     (self.digital_chunks_to_symbols_xx_0, 0))
        self.connect((self.digital_map_bb_1_0, 0),
                     (self.digital_chunks_to_symbols_xx_0_0, 0))
        self.connect((self.pfb_arb_resampler_xxx_0, 0),
                     (self.blocks_tagged_stream_multiply_length_0, 0))
예제 #3
0
    def __init__(self):
        gr.top_block.__init__(self, "Basic Stream")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("Basic Stream")
        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", "basic_stream")
        self.restoreGeometry(self.settings.value("geometry").toByteArray())

        ##################################################
        # Variables
        ##################################################
        self.samp_rate = samp_rate = 32000
        self.noise = noise = -3.0
        self.hdr_format = hdr_format = digital.header_format_default(digital.packet_utils.default_access_code, 0)
        
        
        self.enc = enc = fec.cc_encoder_make(8192, 7, 2, ([109,79]), 0, fec.CC_TERMINATED, False)
            
        
        
        self.dec = dec = fec.cc_decoder.make(8192, 7, 2, ([109,79]), 0, -1, fec.CC_TERMINATED, False)
            
        
        self.const = const = digital.constellation_bpsk().base()
        

        ##################################################
        # Blocks
        ##################################################
        self._noise_range = Range(-30.0, 3.0, 1.0, -3.0, 200)
        self._noise_win = RangeWidget(self._noise_range, self.set_noise, "noise", "counter_slider", float)
        self.top_layout.addWidget(self._noise_win)
        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(-2, 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 = ['', '', '', '', '',
                  '', '', '', '', '']
        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.fec_async_encoder_0 = fec.async_encoder(enc, True, False, False, 1500)
        self.fec_async_decoder_0 = fec.async_decoder(dec, True, False, 1500)
        self.digital_crc32_async_bb_1 = digital.crc32_async_bb(True)
        self.digital_crc32_async_bb_0 = digital.crc32_async_bb(False)
        self.digital_constellation_soft_decoder_cf_0 = digital.constellation_soft_decoder_cf(const)
        self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc(([-1,1]), 1)
        self.blocks_tagged_stream_to_pdu_0 = blocks.tagged_stream_to_pdu(blocks.float_t, 'packet_len')
        self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb(8, 1, 'packet_len', False, gr.GR_MSB_FIRST)
        self.blocks_random_pdu_0 = blocks.random_pdu(10, 400, chr(0xFF), 2)
        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("TEST"), 500)
        self.blocks_message_debug_0 = blocks.message_debug()
        self.blocks_add_xx_0 = blocks.add_vcc(1)
        self.analog_noise_source_x_0 = analog.noise_source_c(analog.GR_GAUSSIAN, pow(10.0,noise/10.0), 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.digital_crc32_async_bb_0, 'in'))    
        self.msg_connect((self.blocks_tagged_stream_to_pdu_0, 'pdus'), (self.fec_async_decoder_0, 'in'))    
        self.msg_connect((self.digital_crc32_async_bb_0, 'out'), (self.fec_async_encoder_0, 'in'))    
        self.msg_connect((self.digital_crc32_async_bb_1, 'out'), (self.blocks_message_debug_0, 'print_pdu'))    
        self.msg_connect((self.fec_async_decoder_0, 'out'), (self.digital_crc32_async_bb_1, 'in'))    
        self.msg_connect((self.fec_async_encoder_0, 'out'), (self.blocks_pdu_to_tagged_stream_0, 'pdus'))    
        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_soft_decoder_cf_0, 0))    
        self.connect((self.blocks_add_xx_0, 0), (self.qtgui_time_sink_x_0, 0))    
        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.digital_chunks_to_symbols_xx_0, 0))    
        self.connect((self.digital_chunks_to_symbols_xx_0, 0), (self.blocks_add_xx_0, 1))    
        self.connect((self.digital_constellation_soft_decoder_cf_0, 0), (self.blocks_tagged_stream_to_pdu_0, 0))    
예제 #4
0
    def __init__(self,
                 input_port_num="55555",
                 output_port_num="55556",
                 rx_bw=0.5e6,
                 rx_freq=2e9,
                 rx_gain=0.8,
                 serial_num="31C9237",
                 tx_bw=0.5e6,
                 tx_freq=2.0e9,
                 tx_gain=1):
        gr.top_block.__init__(self, "tranceiver_ofdm_usrp")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("tranceiver_ofdm_usrp")
        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", "tranceiver_ofdm_usrp")

        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.input_port_num = input_port_num
        self.output_port_num = output_port_num
        self.rx_bw = rx_bw
        self.rx_freq = rx_freq
        self.rx_gain = rx_gain
        self.serial_num = serial_num
        self.tx_bw = tx_bw
        self.tx_freq = tx_freq
        self.tx_gain = tx_gain

        ##################################################
        # Variables
        ##################################################
        self.rep = rep = 3
        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 = (
            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 = 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.samp_rate = samp_rate = 10000
        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 = 256
        self.out_buf_size = out_buf_size = 15000
        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,
        )
        self.enc_rep = enc_rep = fec.repetition_encoder_make(8000, rep)
        self.dec_rep = dec_rep = fec.repetition_decoder.make(8000, rep, 0.5)
        self.FEC_rate = FEC_rate = 1 / 2

        ##################################################
        # Blocks
        ##################################################
        self.zeromq_sub_source_0 = zeromq.sub_source(
            gr.sizeof_char, 1, "tcp://127.0.0.1:" + input_port_num, 100, False,
            -1, '')
        self.zeromq_pub_sink_0 = zeromq.pub_sink(gr.sizeof_char, 1,
                                                 "tcp://127.0.0.1:55556", 100,
                                                 False, -1, '')
        self.uhd_usrp_source_0 = uhd.usrp_source(
            ",".join(("", "")),
            uhd.stream_args(
                cpu_format="fc32",
                args='',
                channels=list(range(0, 1)),
            ),
        )
        self.uhd_usrp_source_0.set_samp_rate(rx_bw)
        self.uhd_usrp_source_0.set_time_now(uhd.time_spec(time.time()),
                                            uhd.ALL_MBOARDS)

        self.uhd_usrp_source_0.set_center_freq(rx_freq, 0)
        self.uhd_usrp_source_0.set_antenna('RX2', 0)
        self.uhd_usrp_source_0.set_power_reference(rx_gain, 0)
        self.uhd_usrp_sink_0 = uhd.usrp_sink(
            ",".join(("", "")),
            uhd.stream_args(
                cpu_format="fc32",
                args='',
                channels=list(range(0, 1)),
            ),
            packet_length_tag_key,
        )
        self.uhd_usrp_sink_0.set_samp_rate(tx_bw)
        self.uhd_usrp_sink_0.set_time_now(uhd.time_spec(time.time()),
                                          uhd.ALL_MBOARDS)

        self.uhd_usrp_sink_0.set_center_freq(tx_freq, 0)
        self.uhd_usrp_sink_0.set_antenna('TX/RX', 0)
        self.uhd_usrp_sink_0.set_power_reference(tx_gain, 0)
        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)
        self.fec_async_encoder_0 = fec.async_encoder(enc_rep, True, True, True,
                                                     1500)
        self.fec_async_decoder_0 = fec.async_decoder(dec_rep, True, True, 1500)
        self.digital_protocol_formatter_bb_0 = digital.protocol_formatter_bb(
            hdr_format, packet_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, 0.9)
        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_1.set_min_output_buffer(15000)
        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_frame_equalizer_vcvc_0.set_min_output_buffer(15000)
        self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer(
            fft_len, fft_len + fft_len // 4, rolloff, packet_length_tag_key)
        self.digital_ofdm_cyclic_prefixer_0.set_min_output_buffer(15000)
        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), packet_length_tag_key, True)
        self.digital_ofdm_carrier_allocator_cvc_0.set_min_output_buffer(15000)
        self.digital_map_bb_0 = digital.map_bb([-1, 1])
        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_header_payload_demux_0.set_min_output_buffer(15000)
        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_constellation_decoder_cb_0 = digital.constellation_decoder_cb(
            header_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_tagged_stream_to_pdu_1 = blocks.tagged_stream_to_pdu(
            blocks.float_t, packet_length_tag_key)
        self.blocks_tagged_stream_to_pdu_0 = blocks.tagged_stream_to_pdu(
            blocks.byte_t, packet_length_tag_key)
        self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux(
            gr.sizeof_gr_complex * 1, packet_length_tag_key, 0)
        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_3_1 = blocks.repack_bits_bb(
            8, 1, 'packet_len', True, gr.GR_LSB_FIRST)
        self.blocks_repack_bits_bb_0_1 = 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_0 = blocks.repack_bits_bb(
            8, 1, 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_0 = blocks.pdu_to_tagged_stream(
            blocks.byte_t, packet_length_tag_key)
        self.blocks_pdu_to_tagged_stream_0 = blocks.pdu_to_tagged_stream(
            blocks.byte_t, packet_length_tag_key)
        self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
        self.blocks_multiply_const_vxx_0 = blocks.multiply_const_cc(0.05)
        self.blocks_file_sink_0_0_0_0_0_0_0 = blocks.file_sink(
            gr.sizeof_char * 1,
            '/root/repos/usrp-utils/archive/post_encoding.bin', False)
        self.blocks_file_sink_0_0_0_0_0_0_0.set_unbuffered(True)
        self.blocks_delay_0 = blocks.delay(gr.sizeof_gr_complex * 1,
                                           fft_len + fft_len // 4)
        self.blocks_char_to_float_0_1 = blocks.char_to_float(1, 1)
        self.analog_frequency_modulator_fc_0 = analog.frequency_modulator_fc(
            -2.0 / fft_len)

        ##################################################
        # Connections
        ##################################################
        self.msg_connect((self.blocks_tagged_stream_to_pdu_0, 'pdus'),
                         (self.fec_async_encoder_0, 'in'))
        self.msg_connect((self.blocks_tagged_stream_to_pdu_1, 'pdus'),
                         (self.fec_async_decoder_0, 'in'))
        self.msg_connect((self.digital_packet_headerparser_b_0, 'header_data'),
                         (self.digital_header_payload_demux_0, 'header_data'))
        self.msg_connect((self.fec_async_decoder_0, 'out'),
                         (self.blocks_pdu_to_tagged_stream_0_0, 'pdus'))
        self.msg_connect((self.fec_async_encoder_0, 'out'),
                         (self.blocks_pdu_to_tagged_stream_0, 'pdus'))
        self.connect((self.analog_frequency_modulator_fc_0, 0),
                     (self.blocks_multiply_xx_0, 0))
        self.connect((self.blocks_char_to_float_0_1, 0),
                     (self.blocks_tagged_stream_to_pdu_1, 0))
        self.connect((self.blocks_delay_0, 0), (self.blocks_multiply_xx_0, 1))
        self.connect((self.blocks_multiply_const_vxx_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_pdu_to_tagged_stream_0, 0),
                     (self.blocks_file_sink_0_0_0_0_0_0_0, 0))
        self.connect((self.blocks_pdu_to_tagged_stream_0, 0),
                     (self.blocks_repack_bits_bb_0_1, 0))
        self.connect((self.blocks_pdu_to_tagged_stream_0, 0),
                     (self.digital_protocol_formatter_bb_0, 0))
        self.connect((self.blocks_pdu_to_tagged_stream_0_0, 0),
                     (self.digital_crc32_bb_0, 0))
        self.connect((self.blocks_repack_bits_bb_0, 0),
                     (self.blocks_repack_bits_bb_0_3_1, 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_1, 0),
                     (self.digital_chunks_to_symbols_xx_0_0, 0))
        self.connect((self.blocks_repack_bits_bb_0_3_1, 0),
                     (self.digital_map_bb_0, 0))
        self.connect((self.blocks_stream_to_tagged_stream_0, 0),
                     (self.digital_crc32_bb_0_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_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_crc32_bb_0, 0), (self.zeromq_pub_sink_0, 0))
        self.connect((self.digital_crc32_bb_0_0, 0),
                     (self.blocks_tagged_stream_to_pdu_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_map_bb_0, 0),
                     (self.blocks_char_to_float_0_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_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.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.digital_protocol_formatter_bb_0, 0),
                     (self.blocks_repack_bits_bb_0_0, 0))
        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.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))
        self.connect((self.zeromq_sub_source_0, 0),
                     (self.blocks_stream_to_tagged_stream_0, 0))
예제 #5
0
    def __init__(self):
        gr.top_block.__init__(self, "Evolucao")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("Evolucao")
        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", "evolucao")
        self.restoreGeometry(self.settings.value("geometry", type=QtCore.QByteArray))


        ##################################################
        # Variables
        ##################################################

        self.pld_const = pld_const = digital.constellation_calcdist((digital.psk_4()[0]), (digital.psk_4()[1]), 4, 1).base()

        self.pld_const.gen_soft_dec_lut(8)
        self.sps = sps = 2
        self.rep = rep = 3
        self.preamble_rep = preamble_rep = [0xe3, 0x8f, 0xc0, 0xfc, 0x7f, 0xc7, 0xe3, 0x81, 0xc0, 0xff, 0x80, 0x38, 0xff, 0xf0, 0x38, 0xe0, 0x0f, 0xc0, 0x03, 0x80, 0x00, 0xff, 0xff, 0xc0]
        self.preamble_dummy = preamble_dummy = [0xac, 0xdd, 0xa4, 0xe2, 0xf2, 0x8c, 0x20, 0xfc]
        self.nfilts = nfilts = 32
        self.hdr_format = hdr_format = digital.header_format_counter(digital.packet_utils.default_access_code, 3, pld_const.bits_per_symbol())
        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.rate = rate = 2
        self.preamble_select = preamble_select = {1: preamble_dummy, 3: preamble_rep}

        self.hdr_const = hdr_const = digital.constellation_calcdist((digital.psk_2()[0]), (digital.psk_2()[1]), 2, 1).base()

        self.hdr_const.gen_soft_dec_lut(8)


        self.dec_hdr = dec_hdr = fec.repetition_decoder.make(hdr_format.header_nbits(), rep, 0.5)

        self.taps_per_filt = taps_per_filt = len(tx_rrc_taps)/nfilts
        self.rxmod = rxmod = digital.generic_mod(hdr_const, False, sps, True, eb, False, False)
        self.preamble = preamble = preamble_select[int(1.0/dec_hdr.rate())]
        self.polys = polys = [109, 79]
        self.mark_delays = mark_delays = [0, 0, 34, 56, 87, 119]
        self.k = k = 7
        self.time_offset = time_offset = 1.0
        self.sps_0 = sps_0 = 2
        self.samp_rate = samp_rate = 32000

        self.rx_rrc_taps = rx_rrc_taps = firdes.root_raised_cosine(nfilts, nfilts*sps, 1.0, eb, 11*sps*nfilts)

        self.noise = noise = 0.0
        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]
        self.freq_offset = freq_offset = 0
        self.filt_delay = filt_delay = 1+(taps_per_filt-1)/2


        self.enc_hdr = enc_hdr = fec.repetition_encoder_make(8000, rep)



        self.enc = enc = fec.cc_encoder_make(8000, k, rate, (polys), 0, fec.CC_TERMINATED, False)



        self.dec = dec = fec.cc_decoder.make(8000, k, rate, (polys), 0, -1, fec.CC_TERMINATED, False)

        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.tab1 = Qt.QTabWidget()
        self.tab1_widget_0 = Qt.QWidget()
        self.tab1_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tab1_widget_0)
        self.tab1_grid_layout_0 = Qt.QGridLayout()
        self.tab1_layout_0.addLayout(self.tab1_grid_layout_0)
        self.tab1.addTab(self.tab1_widget_0, 'Time')
        self.tab1_widget_1 = Qt.QWidget()
        self.tab1_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tab1_widget_1)
        self.tab1_grid_layout_1 = Qt.QGridLayout()
        self.tab1_layout_1.addLayout(self.tab1_grid_layout_1)
        self.tab1.addTab(self.tab1_widget_1, 'Freq.')
        self.tab1_widget_2 = Qt.QWidget()
        self.tab1_layout_2 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tab1_widget_2)
        self.tab1_grid_layout_2 = Qt.QGridLayout()
        self.tab1_layout_2.addLayout(self.tab1_grid_layout_2)
        self.tab1.addTab(self.tab1_widget_2, 'Const.')
        self.top_grid_layout.addWidget(self.tab1, 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(filt_delay)

        self.fec_generic_decoder_0 = fec.decoder(dec_hdr, gr.sizeof_float, gr.sizeof_char)
        self.fec_async_encoder_0_0 = fec.async_encoder(enc, True, False, False, 1500)
        self.fec_async_encoder_0 = fec.async_encoder(enc, True, False, False, 1500)
        self.fec_async_decoder_0 = fec.async_decoder(dec_hdr, True, False, 1500*8)
        self.digital_protocol_parser_b_0 = digital.protocol_parser_b(hdr_format)
        self.digital_protocol_formatter_async_0 = digital.protocol_formatter_async(hdr_format)
        self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(sps, 6.28/400.0, (rx_rrc_taps), nfilts, nfilts/2, 1.5, 1)
        self.digital_map_bb_1_0 = digital.map_bb((pld_const.pre_diff_code()))
        self.digital_map_bb_1 = digital.map_bb((hdr_const.pre_diff_code()))
        self.digital_header_payload_demux_0 = digital.header_payload_demux(
        	  (hdr_format.header_nbits() * int(1.0/dec_hdr.rate())) /  hdr_const.bits_per_symbol(),
        	  1,
        	  0,
        	  "payload symbols",
        	  "time_est",
        	  True,
        	  gr.sizeof_gr_complex,
        	  "rx_time",
                  1,
                  "",
                  0,
            )
        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_0_0 = digital.costas_loop_cc(6.28/200.0, pld_const.arity(), False)
        self.digital_costas_loop_cc_0_0 = digital.costas_loop_cc(6.28/200.0, hdr_const.arity(), False)
        self.digital_corr_est_cc_0 = digital.corr_est_cc((modulated_sync_word), sps, mark_delay, 0.999)
        self.digital_constellation_soft_decoder_cf_0_0 = digital.constellation_soft_decoder_cf(hdr_const)
        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.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc((hdr_const.points()), 1)
        self.digital_burst_shaper_xx_0 = digital.burst_shaper_cc((firdes.window(firdes.WIN_HANN, 20, 0)), 0, filt_delay, True, 'packet_len')
        (self.digital_burst_shaper_xx_0).set_block_alias("burst_shaper0")
        self.channels_channel_model_0 = channels.channel_model(
        	noise_voltage=noise,
        	frequency_offset=freq_offset,
        	epsilon=time_offset,
        	taps=(1.0, ),
        	noise_seed=0,
        	block_tags=True
        )
        self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char*1, samp_rate,True)
        self.blocks_tagged_stream_to_pdu_0_0 = blocks.tagged_stream_to_pdu(blocks.float_t, "payload symbols")
        self.blocks_tagged_stream_to_pdu_0 = blocks.tagged_stream_to_pdu(blocks.byte_t, 'pacote')
        self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux(gr.sizeof_gr_complex*1, 'packet_len', 0)
        self.blocks_tagged_stream_multiply_length_0_0 = blocks.tagged_stream_multiply_length(gr.sizeof_float*1, "payload symbols", pld_const.bits_per_symbol())
        self.blocks_tagged_stream_multiply_length_0 = blocks.tagged_stream_multiply_length(gr.sizeof_gr_complex*1, 'packet_len', sps)
        self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(gr.sizeof_char, 1, 100, 'pacote')
        self.blocks_repack_bits_bb_0_0 = blocks.repack_bits_bb(8, pld_const.bits_per_symbol(), 'packet_len', False, gr.GR_MSB_FIRST)
        self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb(8, hdr_const.bits_per_symbol(), 'packet_len', False, gr.GR_MSB_FIRST)
        self.blocks_pdu_to_tagged_stream_1 = blocks.pdu_to_tagged_stream(blocks.byte_t, 'packet_len')
        self.blocks_pdu_to_tagged_stream_0_0 = blocks.pdu_to_tagged_stream(blocks.byte_t, 'packet_len')
        self.blocks_pdu_to_tagged_stream_0 = blocks.pdu_to_tagged_stream(blocks.byte_t, 'packet_len')
        self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((amp, ))
        self.blocks_multiply_by_tag_value_cc_0 = blocks.multiply_by_tag_value_cc("amp_est", 1)
        self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char*1, '/home/andre/Desktop/transmit_maior.txt', True)
        self.blocks_file_source_0.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)



        ##################################################
        # Connections
        ##################################################
        self.msg_connect((self.blocks_tagged_stream_to_pdu_0, 'pdus'), (self.digital_crc32_async_bb_1, 'in'))
        self.msg_connect((self.blocks_tagged_stream_to_pdu_0_0, 'pdus'), (self.fec_async_decoder_0, 'in'))
        self.msg_connect((self.digital_crc32_async_bb_0, 'out'), (self.blocks_pdu_to_tagged_stream_1, 'pdus'))
        self.msg_connect((self.digital_crc32_async_bb_1, 'out'), (self.fec_async_encoder_0, 'in'))
        self.msg_connect((self.digital_protocol_formatter_async_0, 'payload'), (self.blocks_pdu_to_tagged_stream_0, 'pdus'))
        self.msg_connect((self.digital_protocol_formatter_async_0, 'header'), (self.fec_async_encoder_0_0, 'in'))
        self.msg_connect((self.digital_protocol_parser_b_0, 'info'), (self.digital_header_payload_demux_0, 'header_data'))
        self.msg_connect((self.fec_async_decoder_0, 'out'), (self.digital_crc32_async_bb_0, 'in'))
        self.msg_connect((self.fec_async_encoder_0, 'out'), (self.digital_protocol_formatter_async_0, 'in'))
        self.msg_connect((self.fec_async_encoder_0_0, 'out'), (self.blocks_pdu_to_tagged_stream_0_0, 'pdus'))
        self.connect((self.blocks_file_source_0, 0), (self.blocks_throttle_0, 0))
        self.connect((self.blocks_multiply_by_tag_value_cc_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0))
        self.connect((self.blocks_multiply_const_vxx_0, 0), (self.digital_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_pdu_to_tagged_stream_0_0, 0), (self.blocks_repack_bits_bb_0, 0))
        self.connect((self.blocks_pdu_to_tagged_stream_1, 0), (self.blocks_file_sink_0_0_0, 0))
        self.connect((self.blocks_repack_bits_bb_0, 0), (self.digital_map_bb_1, 0))
        self.connect((self.blocks_repack_bits_bb_0_0, 0), (self.digital_map_bb_1_0, 0))
        self.connect((self.blocks_stream_to_tagged_stream_0, 0), (self.blocks_tagged_stream_to_pdu_0, 0))
        self.connect((self.blocks_tagged_stream_multiply_length_0, 0), (self.channels_channel_model_0, 0))
        self.connect((self.blocks_tagged_stream_multiply_length_0_0, 0), (self.blocks_tagged_stream_to_pdu_0_0, 0))
        self.connect((self.blocks_tagged_stream_mux_0, 0), (self.digital_burst_shaper_xx_0, 0))
        self.connect((self.blocks_throttle_0, 0), (self.blocks_stream_to_tagged_stream_0, 0))
        self.connect((self.channels_channel_model_0, 0), (self.blocks_multiply_const_vxx_0, 0))
        self.connect((self.digital_burst_shaper_xx_0, 0), (self.pfb_arb_resampler_xxx_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_soft_decoder_cf_0, 0), (self.blocks_tagged_stream_multiply_length_0_0, 0))
        self.connect((self.digital_constellation_soft_decoder_cf_0_0, 0), (self.fec_generic_decoder_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, 0), (self.digital_constellation_soft_decoder_cf_0_0, 0))
        self.connect((self.digital_costas_loop_cc_0_0_0, 0), (self.digital_constellation_soft_decoder_cf_0, 0))
        self.connect((self.digital_header_payload_demux_0, 0), (self.digital_costas_loop_cc_0_0, 0))
        self.connect((self.digital_header_payload_demux_0, 1), (self.digital_costas_loop_cc_0_0_0, 0))
        self.connect((self.digital_map_bb_1, 0), (self.digital_chunks_to_symbols_xx_0, 0))
        self.connect((self.digital_map_bb_1_0, 0), (self.digital_chunks_to_symbols_xx_0_0, 0))
        self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_header_payload_demux_0, 0))
        self.connect((self.fec_generic_decoder_0, 0), (self.digital_protocol_parser_b_0, 0))
        self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.blocks_tagged_stream_multiply_length_0, 0))
예제 #6
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, pre_bits=[0, 1, 0, 0, 1, 0, 1, 1, 1, 1, 0, 1, 0, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 0, 0, 0]):
        gr.top_block.__init__(self, "Psk Burst Tx")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("Psk Burst Tx")
        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", "psk_burst_tx")
        self.restoreGeometry(self.settings.value("geometry").toByteArray())

        ##################################################
        # Parameters
        ##################################################
        self.pre_bits = pre_bits

        ##################################################
        # Variables
        ##################################################
        self.samp_rate = samp_rate = 100e3
        
        
        self.ldpc_enc = ldpc_enc = fec.ldpc_encoder_make('/home/abraxas3d/goodies/share/gnuradio/fec/ldpc/271.127.3.112'); 

        ##################################################
        # Blocks
        ##################################################
        self.root_raised_cosine_filter_0 = filter.interp_fir_filter_ccf(2, firdes.root_raised_cosine(
        	1, 2.0, 1, 0.35, 41))
        self.qtgui_time_sink_x_0 = qtgui.time_sink_c(
        	8192, #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(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 = ['', '', '', '', '',
                  '', '', '', '', '']
        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_grid_layout.addWidget(self._qtgui_time_sink_x_0_win, 0,0,1,0)
        self.qtgui_const_sink_x_0 = qtgui.const_sink_c(
        	8192, #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_grid_layout.addWidget(self._qtgui_const_sink_x_0_win, 1,1)
        self.pyqt_meta_text_output_0 = pyqt.meta_text_output()
        self._pyqt_meta_text_output_0_win = self.pyqt_meta_text_output_0;
        self.top_layout.addWidget(self._pyqt_meta_text_output_0_win)
        self.pyqt_ctime_plot_0 = pyqt.ctime_plot('')
        self._pyqt_ctime_plot_0_win = self.pyqt_ctime_plot_0;
        self.top_grid_layout.addWidget(self._pyqt_ctime_plot_0_win, 1,0)
        self.mapper_mapper_msg_0 = mapper.mapper_msg(mapper.QPSK, ([0,1,3,2]))
        self.fec_async_encoder_0 = fec.async_encoder(ldpc_enc, False, True, True, 1500)
        self.es_source_0 = es.source(1*[gr.sizeof_gr_complex], 1, 2)
        self.channels_channel_model_0_0 = channels.channel_model(
        	noise_voltage=0.05,
        	frequency_offset=random.random()*1e-4,
        	epsilon=1.0+random.random()*1e-4,
        	taps=(1.0 + 1.0j, ),
        	noise_seed=0,
        	block_tags=False
        )
        self.burst_scheduler_0 = burst.burst_scheduler()
        self.burst_randomizer_0 = burst.randomizer(([0,14,15]), ([1,0,0,1,0,1,0,1,0,0,0,0,0,0,0]), 100000)
        self.burst_preamble_insert_0 = burst.preamble_insert((pre_bits))
        self.burst_padder_0 = burst.padder(144)
        self.burst_framer_0 = burst.framer(144)
        self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
        self.blocks_random_pdu_0 = blocks.random_pdu(50, 256/2, chr(0xFF), 2)
        self.blocks_message_strobe_0 = blocks.message_strobe(pmt.intern("TEST"), 1000)
        self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_gr_complex*1, '/tmp/psk_ldpc_xmit.dat', False)
        self.blocks_file_sink_0.set_unbuffered(False)

        ##################################################
        # 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.burst_framer_0, 'packed_pdus'))    
        self.msg_connect((self.burst_framer_0, 'unpacked_pdus'), (self.burst_padder_0, 'pdus'))    
        self.msg_connect((self.burst_padder_0, 'pdus'), (self.burst_randomizer_0, 'pdus'))    
        self.msg_connect((self.burst_preamble_insert_0, 'pdus'), (self.mapper_mapper_msg_0, 'pdus'))    
        self.msg_connect((self.burst_randomizer_0, 'pdus'), (self.fec_async_encoder_0, 'in'))    
        self.msg_connect((self.burst_scheduler_0, 'sched_pdu'), (self.es_source_0, 'schedule_event'))    
        self.msg_connect((self.burst_scheduler_0, 'sched_pdu'), (self.pyqt_meta_text_output_0, 'pdus'))    
        self.msg_connect((self.es_source_0, 'nproduced'), (self.burst_scheduler_0, 'nproduced'))    
        self.msg_connect((self.fec_async_encoder_0, 'out'), (self.burst_preamble_insert_0, 'pdus'))    
        self.msg_connect((self.mapper_mapper_msg_0, 'cpdus'), (self.burst_scheduler_0, 'sched_pdu'))    
        self.msg_connect((self.mapper_mapper_msg_0, 'cpdus'), (self.pyqt_ctime_plot_0, 'cpdus'))    
        self.connect((self.blocks_throttle_0, 0), (self.root_raised_cosine_filter_0, 0))    
        self.connect((self.channels_channel_model_0_0, 0), (self.blocks_file_sink_0, 0))    
        self.connect((self.channels_channel_model_0_0, 0), (self.qtgui_const_sink_x_0, 0))    
        self.connect((self.channels_channel_model_0_0, 0), (self.qtgui_time_sink_x_0, 0))    
        self.connect((self.es_source_0, 0), (self.blocks_throttle_0, 0))    
        self.connect((self.root_raised_cosine_filter_0, 0), (self.channels_channel_model_0_0, 0))    
예제 #8
0
    def __init__(self,
                 pre_bits=[
                     0, 1, 0, 0, 1, 0, 1, 1, 1, 1, 0, 1, 0, 1, 1, 0, 0, 1, 1,
                     1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0,
                     0, 1, 1, 0, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0,
                     1, 1, 1, 1, 1, 0, 1, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 0, 0,
                     0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 0, 0, 0
                 ]):
        gr.top_block.__init__(self, "Psk Burst Tx")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("Psk Burst Tx")
        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", "psk_burst_tx")
        self.restoreGeometry(self.settings.value("geometry").toByteArray())

        ##################################################
        # Parameters
        ##################################################
        self.pre_bits = pre_bits

        ##################################################
        # Variables
        ##################################################
        self.samp_rate = samp_rate = 100e3

        self.ldpc_enc = ldpc_enc = fec.ldpc_encoder_make(
            '/home/abraxas3d/goodies/share/gnuradio/fec/ldpc/271.127.3.112')

        ##################################################
        # Blocks
        ##################################################
        self.root_raised_cosine_filter_0 = filter.interp_fir_filter_ccf(
            2, firdes.root_raised_cosine(1, 2.0, 1, 0.35, 41))
        self.qtgui_time_sink_x_0 = qtgui.time_sink_c(
            8192,  #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(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 = ['', '', '', '', '', '', '', '', '', '']
        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_grid_layout.addWidget(self._qtgui_time_sink_x_0_win, 0, 0, 1,
                                       0)
        self.qtgui_const_sink_x_0 = qtgui.const_sink_c(
            8192,  #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_grid_layout.addWidget(self._qtgui_const_sink_x_0_win, 1, 1)
        self.pyqt_meta_text_output_0 = pyqt.meta_text_output()
        self._pyqt_meta_text_output_0_win = self.pyqt_meta_text_output_0
        self.top_layout.addWidget(self._pyqt_meta_text_output_0_win)
        self.pyqt_ctime_plot_0 = pyqt.ctime_plot('')
        self._pyqt_ctime_plot_0_win = self.pyqt_ctime_plot_0
        self.top_grid_layout.addWidget(self._pyqt_ctime_plot_0_win, 1, 0)
        self.mapper_mapper_msg_0 = mapper.mapper_msg(mapper.QPSK,
                                                     ([0, 1, 3, 2]))
        self.fec_async_encoder_0 = fec.async_encoder(ldpc_enc, False, True,
                                                     True, 1500)
        self.es_source_0 = es.source(1 * [gr.sizeof_gr_complex], 1, 2)
        self.channels_channel_model_0_0 = channels.channel_model(
            noise_voltage=0.05,
            frequency_offset=random.random() * 1e-4,
            epsilon=1.0 + random.random() * 1e-4,
            taps=(1.0 + 1.0j, ),
            noise_seed=0,
            block_tags=False)
        self.burst_scheduler_0 = burst.burst_scheduler()
        self.burst_randomizer_0 = burst.randomizer(
            ([0, 14, 15]), ([1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0]),
            100000)
        self.burst_preamble_insert_0 = burst.preamble_insert((pre_bits))
        self.burst_padder_0 = burst.padder(144)
        self.burst_framer_0 = burst.framer(144)
        self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1,
                                                 samp_rate, True)
        self.blocks_random_pdu_0 = blocks.random_pdu(50, 256 / 2, chr(0xFF), 2)
        self.blocks_message_strobe_0 = blocks.message_strobe(
            pmt.intern("TEST"), 1000)
        self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_gr_complex * 1,
                                                   '/tmp/psk_ldpc_xmit.dat',
                                                   False)
        self.blocks_file_sink_0.set_unbuffered(False)

        ##################################################
        # 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.burst_framer_0, 'packed_pdus'))
        self.msg_connect((self.burst_framer_0, 'unpacked_pdus'),
                         (self.burst_padder_0, 'pdus'))
        self.msg_connect((self.burst_padder_0, 'pdus'),
                         (self.burst_randomizer_0, 'pdus'))
        self.msg_connect((self.burst_preamble_insert_0, 'pdus'),
                         (self.mapper_mapper_msg_0, 'pdus'))
        self.msg_connect((self.burst_randomizer_0, 'pdus'),
                         (self.fec_async_encoder_0, 'in'))
        self.msg_connect((self.burst_scheduler_0, 'sched_pdu'),
                         (self.es_source_0, 'schedule_event'))
        self.msg_connect((self.burst_scheduler_0, 'sched_pdu'),
                         (self.pyqt_meta_text_output_0, 'pdus'))
        self.msg_connect((self.es_source_0, 'nproduced'),
                         (self.burst_scheduler_0, 'nproduced'))
        self.msg_connect((self.fec_async_encoder_0, 'out'),
                         (self.burst_preamble_insert_0, 'pdus'))
        self.msg_connect((self.mapper_mapper_msg_0, 'cpdus'),
                         (self.burst_scheduler_0, 'sched_pdu'))
        self.msg_connect((self.mapper_mapper_msg_0, 'cpdus'),
                         (self.pyqt_ctime_plot_0, 'cpdus'))
        self.connect((self.blocks_throttle_0, 0),
                     (self.root_raised_cosine_filter_0, 0))
        self.connect((self.channels_channel_model_0_0, 0),
                     (self.blocks_file_sink_0, 0))
        self.connect((self.channels_channel_model_0_0, 0),
                     (self.qtgui_const_sink_x_0, 0))
        self.connect((self.channels_channel_model_0_0, 0),
                     (self.qtgui_time_sink_x_0, 0))
        self.connect((self.es_source_0, 0), (self.blocks_throttle_0, 0))
        self.connect((self.root_raised_cosine_filter_0, 0),
                     (self.channels_channel_model_0_0, 0))