def __init__(self, freq, rate, designator): gr.hier_block2.__init__(self, "ais_rx", gr.io_signature(1,1,gr.sizeof_gr_complex), gr.io_signature(0,0,0)) self._bits_per_sec = 9600.0 self._samples_per_symbol = 5 self.coeffs = filter.firdes.low_pass(1, rate, 11000, 1000) self._filter_decimation = int(rate/(self._bits_per_sec*self._samples_per_symbol)) self.filter = filter.freq_xlating_fir_filter_ccf(self._filter_decimation, self.coeffs, freq, rate) # self.resamp = pfb.arb_resampler_ccf((self._bits_per_sec*self._samples_per_symbol)/int(rate/self._filter_decimation)) options = {} options[ "samples_per_symbol" ] = (rate/self._filter_decimation)/self._bits_per_sec options[ "clockrec_gain" ] = 0.04 options[ "omega_relative_limit" ] = 0.01 options[ "bits_per_sec" ] = self._bits_per_sec options[ "fftlen" ] = 1024 #trades off accuracy of freq estimation in presence of noise, vs. delay time. options[ "samp_rate" ] = self._bits_per_sec * self._samples_per_symbol self.demod = ais.ais_demod(options) #ais_demod takes in complex baseband and spits out 1-bit unpacked bitstream self.deframer = digital.hdlc_deframer_bp(11,64) #takes bytes, deframes, unstuffs, CRCs, and emits PDUs with frame contents self.nmea = ais.pdu_to_nmea(designator) #turns data PDUs into NMEA sentences # self.msgq = ais.pdu_to_msgq(queue) #posts PDUs to message queue for main program to parse at will # self.parse = ais.parse(queue, designator) #ais_parse.cc, calculates CRC, parses data into NMEA AIVDM message, moves data onto queue self.connect(self, self.filter, self.demod, self.deframer) self.msg_connect(self.deframer, "out", self.nmea, "print")
def __init__(self, freq, rate, designator): gr.hier_block2.__init__(self, "ais_rx", gr.io_signature(1,1,gr.sizeof_gr_complex), gr.io_signature(0,0,0)) self._bits_per_sec = 9600.0 self._samples_per_symbol = 5 self.coeffs = filter.firdes.low_pass(1, rate, 11000, 1000) self._filter_decimation = int(rate/(self._bits_per_sec*self._samples_per_symbol)) self.filter = filter.freq_xlating_fir_filter_ccf(self._filter_decimation, self.coeffs, freq, rate) # self.resamp = pfb.arb_resampler_ccf((self._bits_per_sec*self._samples_per_symbol)/int(rate/self._filter_decimation)) options = {} options[ "samples_per_symbol" ] = (rate/self._filter_decimation)/self._bits_per_sec options[ "clockrec_gain" ] = 0.04 options[ "omega_relative_limit" ] = 0.01 options[ "bits_per_sec" ] = self._bits_per_sec options[ "fftlen" ] = 1024 #trades off accuracy of freq estimation in presence of noise, vs. delay time. options[ "samp_rate" ] = self._bits_per_sec * self._samples_per_symbol self.demod = ais.ais_demod(options) #ais_demod takes in complex baseband and spits out 1-bit unpacked bitstream self.deframer = digital.hdlc_deframer_bp(11,64) #takes bytes, deframes, unstuffs, CRCs, and emits PDUs with frame contents self.nmea = ais.pdu_to_nmea(designator) #turns data PDUs into NMEA sentences # self.msgq = ais.pdu_to_msgq(queue) #posts PDUs to message queue for main program to parse at will # self.parse = ais.parse(queue, designator) #ais_parse.cc, calculates CRC, parses data into NMEA AIVDM message, moves data onto queue self.connect(self, self.filter, self.demod, self.deframer) self.msg_connect(self.deframer, "out", self.nmea, "print")
def __init__(self): gr.top_block.__init__(self, "Uhd Ais 3") Qt.QWidget.__init__(self) self.setWindowTitle("Uhd Ais 3") 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", "uhd_ais_3") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Variables ################################################## self.samp_rate = samp_rate = 250e3 self.decim = decim = 5 self.baud = baud = 9600 self.samp_per_sym = samp_per_sym = (samp_rate / decim / 50 * 48) / baud self.rx_gain = rx_gain = 45 self.fsk_deviation = fsk_deviation = 10e3 self.freq = freq = 162e6 ################################################## # Blocks ################################################## self._rx_gain_tool_bar = Qt.QToolBar(self) self._rx_gain_tool_bar.addWidget(Qt.QLabel("rx_gain" + ": ")) self._rx_gain_line_edit = Qt.QLineEdit(str(self.rx_gain)) self._rx_gain_tool_bar.addWidget(self._rx_gain_line_edit) self._rx_gain_line_edit.returnPressed.connect(lambda: self.set_rx_gain( eng_notation.str_to_num( str(self._rx_gain_line_edit.text().toAscii())))) self.top_grid_layout.addWidget(self._rx_gain_tool_bar, 8, 0, 1, 2) self.rational_resampler_xxx_0_0 = filter.rational_resampler_fff( interpolation=48, decimation=50, taps=None, fractional_bw=None, ) self.rational_resampler_xxx_0 = filter.rational_resampler_fff( interpolation=48, decimation=50, taps=None, fractional_bw=None, ) self.qtgui_waterfall_sink_x_0_0 = qtgui.waterfall_sink_c( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw "AIS-B", #name 1 #number of inputs ) self.qtgui_waterfall_sink_x_0_0.set_update_time(0.010) self.qtgui_waterfall_sink_x_0_0.enable_grid(True) self.qtgui_waterfall_sink_x_0_0.enable_axis_labels(True) if not True: self.qtgui_waterfall_sink_x_0_0.disable_legend() if "complex" == "float" or "complex" == "msg_float": self.qtgui_waterfall_sink_x_0_0.set_plot_pos_half(not True) labels = ['', '', '', '', '', '', '', '', '', ''] colors = [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_waterfall_sink_x_0_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_waterfall_sink_x_0_0.set_line_label(i, labels[i]) self.qtgui_waterfall_sink_x_0_0.set_color_map(i, colors[i]) self.qtgui_waterfall_sink_x_0_0.set_line_alpha(i, alphas[i]) self.qtgui_waterfall_sink_x_0_0.set_intensity_range(-60, 10) self._qtgui_waterfall_sink_x_0_0_win = sip.wrapinstance( self.qtgui_waterfall_sink_x_0_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_waterfall_sink_x_0_0_win, 2, 4, 2, 4) self.qtgui_waterfall_sink_x_0 = qtgui.waterfall_sink_c( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw "AIS-A", #name 1 #number of inputs ) self.qtgui_waterfall_sink_x_0.set_update_time(0.010) self.qtgui_waterfall_sink_x_0.enable_grid(True) self.qtgui_waterfall_sink_x_0.enable_axis_labels(True) if not True: self.qtgui_waterfall_sink_x_0.disable_legend() if "complex" == "float" or "complex" == "msg_float": self.qtgui_waterfall_sink_x_0.set_plot_pos_half(not True) labels = ['', '', '', '', '', '', '', '', '', ''] colors = [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_waterfall_sink_x_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_waterfall_sink_x_0.set_line_label(i, labels[i]) self.qtgui_waterfall_sink_x_0.set_color_map(i, colors[i]) self.qtgui_waterfall_sink_x_0.set_line_alpha(i, alphas[i]) self.qtgui_waterfall_sink_x_0.set_intensity_range(-60, 10) self._qtgui_waterfall_sink_x_0_win = sip.wrapinstance( self.qtgui_waterfall_sink_x_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_waterfall_sink_x_0_win, 0, 4, 2, 4) self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c( 2048, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate / decim, #bw "AIS", #name 2 #number of inputs ) self.qtgui_freq_sink_x_0.set_update_time(0.01) self.qtgui_freq_sink_x_0.set_y_axis(-60, 10) self.qtgui_freq_sink_x_0.set_y_label('Relative Gain', 'dB') self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "") self.qtgui_freq_sink_x_0.enable_autoscale(False) self.qtgui_freq_sink_x_0.enable_grid(True) self.qtgui_freq_sink_x_0.set_fft_average(1.0) self.qtgui_freq_sink_x_0.enable_axis_labels(True) self.qtgui_freq_sink_x_0.enable_control_panel(False) if not True: self.qtgui_freq_sink_x_0.disable_legend() if "complex" == "float" or "complex" == "msg_float": self.qtgui_freq_sink_x_0.set_plot_pos_half(not True) labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "green", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "dark blue" ] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(2): if len(labels[i]) == 0: self.qtgui_freq_sink_x_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_freq_sink_x_0.set_line_label(i, labels[i]) self.qtgui_freq_sink_x_0.set_line_width(i, widths[i]) self.qtgui_freq_sink_x_0.set_line_color(i, colors[i]) self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_freq_sink_x_0_win = sip.wrapinstance( self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win, 0, 0, 4, 4) self.pyqt_text_output_0_0 = pyqt.text_output() self._pyqt_text_output_0_0_win = self.pyqt_text_output_0_0 self.top_grid_layout.addWidget(self._pyqt_text_output_0_0_win, 4, 0, 4, 4) self.pyqt_text_output_0 = pyqt.text_output() self._pyqt_text_output_0_win = self.pyqt_text_output_0 self.top_grid_layout.addWidget(self._pyqt_text_output_0_win, 4, 4, 4, 4) self.low_pass_filter_0_0 = filter.fir_filter_ccf( decim, firdes.low_pass(1, samp_rate, 7e3, 1e3, firdes.WIN_HAMMING, 6.76)) self.low_pass_filter_0 = filter.fir_filter_ccf( decim, firdes.low_pass(1, samp_rate, 7e3, 1e3, firdes.WIN_HAMMING, 6.76)) self.digital_hdlc_deframer_bp_0_0 = digital.hdlc_deframer_bp(11, 1000) self.digital_hdlc_deframer_bp_0 = digital.hdlc_deframer_bp(11, 1000) 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_clock_recovery_mm_xx_0_0 = digital.clock_recovery_mm_ff( samp_per_sym * (1 + 0.0), 0.25 * 0.175 * 0.175, 0.5, 0.175, 0.005) self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff( samp_per_sym * (1 + 0.0), 0.25 * 0.175 * 0.175, 0.5, 0.175, 0.005) self.digital_binary_slicer_fb_0_0 = digital.binary_slicer_fb() self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb() self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1, samp_rate * 4, True) self.blocks_socket_pdu_0 = blocks.socket_pdu("TCP_SERVER", '', '52001', 10000, False) self.blocks_multiply_xx_1 = blocks.multiply_vcc(1) self.blocks_multiply_xx_0 = blocks.multiply_vcc(1) self.blocks_message_debug_0_1 = blocks.message_debug() self.blocks_file_source_0 = blocks.file_source( gr.sizeof_gr_complex * 1, '/home/zleffke/workspace/captures/ais/ais_20161218_250k_2.32fc', True) self.analog_sig_source_x_1 = analog.sig_source_c( samp_rate, analog.GR_COS_WAVE, 25e3 + 400, 1, 0) self.analog_sig_source_x_0 = analog.sig_source_c( samp_rate, analog.GR_COS_WAVE, -25e3 + 400, 1, 0) self.analog_quadrature_demod_cf_0_0 = analog.quadrature_demod_cf( (samp_rate / decim) / (2 * math.pi * fsk_deviation / 8.0)) self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf( (samp_rate / decim) / (2 * math.pi * fsk_deviation / 8.0)) self.analog_agc2_xx_0_0 = analog.agc2_cc(1e-3, 1e-1, 1.0, 1.0) self.analog_agc2_xx_0_0.set_max_gain(65536) self.analog_agc2_xx_0 = analog.agc2_cc(1e-3, 1e-1, 1.0, 1.0) self.analog_agc2_xx_0.set_max_gain(65536) self.ais_pdu_to_nmea_0_0 = ais.pdu_to_nmea('B') self.ais_pdu_to_nmea_0 = ais.pdu_to_nmea('A') self.ais_invert_0_0 = ais.invert() self.ais_invert_0 = ais.invert() ################################################## # Connections ################################################## self.msg_connect((self.ais_pdu_to_nmea_0, 'out'), (self.blocks_message_debug_0_1, 'print')) self.msg_connect((self.ais_pdu_to_nmea_0, 'out'), (self.blocks_message_debug_0_1, 'print_pdu')) self.msg_connect((self.ais_pdu_to_nmea_0, 'out'), (self.blocks_socket_pdu_0, 'pdus')) self.msg_connect((self.ais_pdu_to_nmea_0, 'out'), (self.pyqt_text_output_0_0, 'pdus')) self.msg_connect((self.ais_pdu_to_nmea_0_0, 'out'), (self.blocks_message_debug_0_1, 'print')) self.msg_connect((self.ais_pdu_to_nmea_0_0, 'out'), (self.blocks_message_debug_0_1, 'print_pdu')) self.msg_connect((self.ais_pdu_to_nmea_0_0, 'out'), (self.blocks_socket_pdu_0, 'pdus')) self.msg_connect((self.ais_pdu_to_nmea_0_0, 'out'), (self.pyqt_text_output_0, 'pdus')) self.msg_connect((self.digital_hdlc_deframer_bp_0, 'out'), (self.ais_pdu_to_nmea_0, 'to_nmea')) self.msg_connect((self.digital_hdlc_deframer_bp_0_0, 'out'), (self.ais_pdu_to_nmea_0_0, 'to_nmea')) self.connect((self.ais_invert_0, 0), (self.digital_hdlc_deframer_bp_0, 0)) self.connect((self.ais_invert_0_0, 0), (self.digital_hdlc_deframer_bp_0_0, 0)) self.connect((self.analog_agc2_xx_0, 0), (self.analog_quadrature_demod_cf_0_0, 0)) self.connect((self.analog_agc2_xx_0, 0), (self.qtgui_freq_sink_x_0, 0)) self.connect((self.analog_agc2_xx_0, 0), (self.qtgui_waterfall_sink_x_0, 0)) self.connect((self.analog_agc2_xx_0_0, 0), (self.analog_quadrature_demod_cf_0, 0)) self.connect((self.analog_agc2_xx_0_0, 0), (self.qtgui_freq_sink_x_0, 1)) self.connect((self.analog_agc2_xx_0_0, 0), (self.qtgui_waterfall_sink_x_0_0, 0)) self.connect((self.analog_quadrature_demod_cf_0, 0), (self.rational_resampler_xxx_0, 0)) self.connect((self.analog_quadrature_demod_cf_0_0, 0), (self.rational_resampler_xxx_0_0, 0)) self.connect((self.analog_sig_source_x_0, 0), (self.blocks_multiply_xx_0, 1)) self.connect((self.analog_sig_source_x_1, 0), (self.blocks_multiply_xx_1, 0)) self.connect((self.blocks_file_source_0, 0), (self.blocks_throttle_0, 0)) self.connect((self.blocks_multiply_xx_0, 0), (self.low_pass_filter_0_0, 0)) self.connect((self.blocks_multiply_xx_1, 0), (self.low_pass_filter_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.blocks_multiply_xx_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.blocks_multiply_xx_1, 1)) self.connect((self.digital_binary_slicer_fb_0, 0), (self.digital_diff_decoder_bb_0, 0)) self.connect((self.digital_binary_slicer_fb_0_0, 0), (self.digital_diff_decoder_bb_0_0, 0)) self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.digital_binary_slicer_fb_0, 0)) self.connect((self.digital_clock_recovery_mm_xx_0_0, 0), (self.digital_binary_slicer_fb_0_0, 0)) self.connect((self.digital_diff_decoder_bb_0, 0), (self.ais_invert_0, 0)) self.connect((self.digital_diff_decoder_bb_0_0, 0), (self.ais_invert_0_0, 0)) self.connect((self.low_pass_filter_0, 0), (self.analog_agc2_xx_0, 0)) self.connect((self.low_pass_filter_0_0, 0), (self.analog_agc2_xx_0_0, 0)) self.connect((self.rational_resampler_xxx_0, 0), (self.digital_clock_recovery_mm_xx_0, 0)) self.connect((self.rational_resampler_xxx_0_0, 0), (self.digital_clock_recovery_mm_xx_0_0, 0))
def __init__(self, cyborg_version='v0.1.0', mod_order=2, mod_scheme='GMSK', rx_ant_model='COMET SMA703', rx_db_ser='na', rx_db_type='na', rx_ser_tag='30DCE50', rx_ser_uhd='30DCE50', rx_type='B200', signal_name='AIS', symbol_rate=9600): gr.top_block.__init__(self, "Ais Sigmf") Qt.QWidget.__init__(self) self.setWindowTitle("Ais Sigmf") 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", "ais_sigmf") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Parameters ################################################## self.cyborg_version = cyborg_version self.mod_order = mod_order self.mod_scheme = mod_scheme self.rx_ant_model = rx_ant_model self.rx_db_ser = rx_db_ser self.rx_db_type = rx_db_type self.rx_ser_tag = rx_ser_tag self.rx_ser_uhd = rx_ser_uhd self.rx_type = rx_type self.signal_name = signal_name self.symbol_rate = symbol_rate ################################################## # Variables ################################################## self.ts_str = ts_str = dt.strftime(dt.utcnow(), "%Y-%m-%dT%H:%M:%S.%fZ") self.samp_rate = samp_rate = 250e3 self.fn = fn = "{:s}_{:s}".format(signal_name, ts_str) self.decim = decim = 5 self.baud = baud = 9600 self.tune = tune = 0 self.samp_per_sym = samp_per_sym = (samp_rate / decim / 50 * 48) / baud self.rx_gain = rx_gain = 55 self.rx_freq = rx_freq = 162e6 self.fsk_deviation = fsk_deviation = 10e3 self.fp = fp = "/home/zleffke/captures/ais/{:s}".format(fn) ################################################## # Blocks ################################################## self._tune_tool_bar = Qt.QToolBar(self) self._tune_tool_bar.addWidget(Qt.QLabel("tune" + ": ")) self._tune_line_edit = Qt.QLineEdit(str(self.tune)) self._tune_tool_bar.addWidget(self._tune_line_edit) self._tune_line_edit.returnPressed.connect(lambda: self.set_tune( eng_notation.str_to_num(str(self._tune_line_edit.text().toAscii())) )) self.top_grid_layout.addWidget(self._tune_tool_bar, 8, 2, 1, 2) for r in range(8, 9): self.top_grid_layout.setRowStretch(r, 1) for c in range(2, 4): self.top_grid_layout.setColumnStretch(c, 1) self._rx_gain_tool_bar = Qt.QToolBar(self) self._rx_gain_tool_bar.addWidget(Qt.QLabel("rx_gain" + ": ")) self._rx_gain_line_edit = Qt.QLineEdit(str(self.rx_gain)) self._rx_gain_tool_bar.addWidget(self._rx_gain_line_edit) self._rx_gain_line_edit.returnPressed.connect(lambda: self.set_rx_gain( eng_notation.str_to_num( str(self._rx_gain_line_edit.text().toAscii())))) self.top_grid_layout.addWidget(self._rx_gain_tool_bar, 8, 0, 1, 2) for r in range(8, 9): self.top_grid_layout.setRowStretch(r, 1) for c in range(0, 2): self.top_grid_layout.setColumnStretch(c, 1) self.uhd_usrp_source_1 = uhd.usrp_source( ",".join(("", "")), uhd.stream_args( cpu_format="fc32", channels=range(1), ), ) self.uhd_usrp_source_1.set_samp_rate(samp_rate) self.uhd_usrp_source_1.set_time_now(uhd.time_spec(time.time()), uhd.ALL_MBOARDS) self.uhd_usrp_source_1.set_center_freq( uhd.tune_request(rx_freq, samp_rate / 2), 0) self.uhd_usrp_source_1.set_gain(rx_gain, 0) self.uhd_usrp_source_1.set_antenna('RX2', 0) self.uhd_usrp_source_1.set_auto_dc_offset(True, 0) self.uhd_usrp_source_1.set_auto_iq_balance(True, 0) self.rational_resampler_xxx_1 = filter.rational_resampler_ccc( interpolation=1, decimation=2, taps=None, fractional_bw=None, ) self.rational_resampler_xxx_0_0 = filter.rational_resampler_fff( interpolation=48, decimation=50, taps=None, fractional_bw=None, ) self.rational_resampler_xxx_0 = filter.rational_resampler_fff( interpolation=48, decimation=50, taps=None, fractional_bw=None, ) self.qtgui_waterfall_sink_x_0_1 = qtgui.waterfall_sink_c( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype rx_freq, #fc samp_rate / 2, #bw "Channel", #name 1 #number of inputs ) self.qtgui_waterfall_sink_x_0_1.set_update_time(0.010) self.qtgui_waterfall_sink_x_0_1.enable_grid(True) self.qtgui_waterfall_sink_x_0_1.enable_axis_labels(True) if not True: self.qtgui_waterfall_sink_x_0_1.disable_legend() if "complex" == "float" or "complex" == "msg_float": self.qtgui_waterfall_sink_x_0_1.set_plot_pos_half(not True) labels = ['', '', '', '', '', '', '', '', '', ''] colors = [1, 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_waterfall_sink_x_0_1.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_waterfall_sink_x_0_1.set_line_label(i, labels[i]) self.qtgui_waterfall_sink_x_0_1.set_color_map(i, colors[i]) self.qtgui_waterfall_sink_x_0_1.set_line_alpha(i, alphas[i]) self.qtgui_waterfall_sink_x_0_1.set_intensity_range(-140, -40) self._qtgui_waterfall_sink_x_0_1_win = sip.wrapinstance( self.qtgui_waterfall_sink_x_0_1.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_waterfall_sink_x_0_1_win, 2, 0, 2, 8) for r in range(2, 4): self.top_grid_layout.setRowStretch(r, 1) for c in range(0, 8): self.top_grid_layout.setColumnStretch(c, 1) self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c( 2048, #size firdes.WIN_BLACKMAN_hARRIS, #wintype rx_freq, #fc samp_rate / 2, #bw "AIS", #name 1 #number of inputs ) self.qtgui_freq_sink_x_0.set_update_time(0.01) self.qtgui_freq_sink_x_0.set_y_axis(-140, -40) self.qtgui_freq_sink_x_0.set_y_label('Relative Gain', 'dB') self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "") self.qtgui_freq_sink_x_0.enable_autoscale(False) self.qtgui_freq_sink_x_0.enable_grid(True) self.qtgui_freq_sink_x_0.set_fft_average(1.0) self.qtgui_freq_sink_x_0.enable_axis_labels(True) self.qtgui_freq_sink_x_0.enable_control_panel(False) if not False: self.qtgui_freq_sink_x_0.disable_legend() if "complex" == "float" or "complex" == "msg_float": self.qtgui_freq_sink_x_0.set_plot_pos_half(not True) labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "red", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "dark blue" ] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.qtgui_freq_sink_x_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_freq_sink_x_0.set_line_label(i, labels[i]) self.qtgui_freq_sink_x_0.set_line_width(i, widths[i]) self.qtgui_freq_sink_x_0.set_line_color(i, colors[i]) self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_freq_sink_x_0_win = sip.wrapinstance( self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win, 0, 0, 2, 8) for r in range(0, 2): self.top_grid_layout.setRowStretch(r, 1) for c in range(0, 8): self.top_grid_layout.setColumnStretch(c, 1) self.pyqt_text_output_0_0 = pyqt.text_output() self._pyqt_text_output_0_0_win = self.pyqt_text_output_0_0 self.top_grid_layout.addWidget(self._pyqt_text_output_0_0_win, 4, 0, 1, 4) for r in range(4, 5): self.top_grid_layout.setRowStretch(r, 1) for c in range(0, 4): self.top_grid_layout.setColumnStretch(c, 1) self.pyqt_text_output_0 = pyqt.text_output() self._pyqt_text_output_0_win = self.pyqt_text_output_0 self.top_grid_layout.addWidget(self._pyqt_text_output_0_win, 4, 4, 1, 4) for r in range(4, 5): self.top_grid_layout.setRowStretch(r, 1) for c in range(4, 8): self.top_grid_layout.setColumnStretch(c, 1) self.low_pass_filter_0_0 = filter.fir_filter_ccf( decim, firdes.low_pass(1, samp_rate, 7e3, 1e3, firdes.WIN_HAMMING, 6.76)) self.low_pass_filter_0 = filter.fir_filter_ccf( decim, firdes.low_pass(1, samp_rate, 7e3, 1e3, firdes.WIN_HAMMING, 6.76)) self.digital_hdlc_deframer_bp_0_0 = digital.hdlc_deframer_bp(11, 1000) self.digital_hdlc_deframer_bp_0 = digital.hdlc_deframer_bp(11, 1000) 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_clock_recovery_mm_xx_0_0 = digital.clock_recovery_mm_ff( samp_per_sym * (1 + 0.0), 0.25 * 0.175 * 0.175, 0.5, 0.175, 0.005) self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff( samp_per_sym * (1 + 0.0), 0.25 * 0.175 * 0.175, 0.5, 0.175, 0.005) self.digital_binary_slicer_fb_0_0 = digital.binary_slicer_fb() self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb() self.blocks_socket_pdu_0 = blocks.socket_pdu("TCP_SERVER", '0.0.0.0', '52001', 10000, False) self.blocks_multiply_xx_1 = blocks.multiply_vcc(1) self.blocks_multiply_xx_0_0 = blocks.multiply_vcc(1) self.blocks_multiply_xx_0 = blocks.multiply_vcc(1) self.blocks_message_debug_0_1 = blocks.message_debug() self.analog_sig_source_x_1 = analog.sig_source_c( samp_rate, analog.GR_COS_WAVE, 25e3, 1, 0) self.analog_sig_source_x_0_0 = analog.sig_source_c( samp_rate, analog.GR_COS_WAVE, tune, 1, 0) self.analog_sig_source_x_0 = analog.sig_source_c( samp_rate, analog.GR_COS_WAVE, -25e3, 1, 0) self.analog_quadrature_demod_cf_0_0 = analog.quadrature_demod_cf( (samp_rate / decim) / (2 * math.pi * fsk_deviation / 8.0)) self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf( (samp_rate / decim) / (2 * math.pi * fsk_deviation / 8.0)) self.analog_agc2_xx_0_0 = analog.agc2_cc(1e-3, 1e-1, 1.0, 1.0) self.analog_agc2_xx_0_0.set_max_gain(65536) self.analog_agc2_xx_0 = analog.agc2_cc(1e-3, 1e-1, 1.0, 1.0) self.analog_agc2_xx_0.set_max_gain(65536) self.ais_pdu_to_nmea_0_0 = ais.pdu_to_nmea('B') self.ais_pdu_to_nmea_0 = ais.pdu_to_nmea('A') self.ais_invert_0_0 = ais.invert() self.ais_invert_0 = ais.invert() ################################################## # Connections ################################################## self.msg_connect((self.ais_pdu_to_nmea_0, 'out'), (self.blocks_message_debug_0_1, 'print')) self.msg_connect((self.ais_pdu_to_nmea_0, 'out'), (self.blocks_message_debug_0_1, 'print_pdu')) self.msg_connect((self.ais_pdu_to_nmea_0, 'out'), (self.blocks_socket_pdu_0, 'pdus')) self.msg_connect((self.ais_pdu_to_nmea_0, 'out'), (self.pyqt_text_output_0_0, 'pdus')) self.msg_connect((self.ais_pdu_to_nmea_0_0, 'out'), (self.blocks_message_debug_0_1, 'print')) self.msg_connect((self.ais_pdu_to_nmea_0_0, 'out'), (self.blocks_message_debug_0_1, 'print_pdu')) self.msg_connect((self.ais_pdu_to_nmea_0_0, 'out'), (self.blocks_socket_pdu_0, 'pdus')) self.msg_connect((self.ais_pdu_to_nmea_0_0, 'out'), (self.pyqt_text_output_0, 'pdus')) self.msg_connect((self.digital_hdlc_deframer_bp_0, 'out'), (self.ais_pdu_to_nmea_0, 'to_nmea')) self.msg_connect((self.digital_hdlc_deframer_bp_0_0, 'out'), (self.ais_pdu_to_nmea_0_0, 'to_nmea')) self.connect((self.ais_invert_0, 0), (self.digital_hdlc_deframer_bp_0, 0)) self.connect((self.ais_invert_0_0, 0), (self.digital_hdlc_deframer_bp_0_0, 0)) self.connect((self.analog_agc2_xx_0, 0), (self.analog_quadrature_demod_cf_0, 0)) self.connect((self.analog_agc2_xx_0_0, 0), (self.analog_quadrature_demod_cf_0_0, 0)) self.connect((self.analog_quadrature_demod_cf_0, 0), (self.rational_resampler_xxx_0, 0)) self.connect((self.analog_quadrature_demod_cf_0_0, 0), (self.rational_resampler_xxx_0_0, 0)) self.connect((self.analog_sig_source_x_0, 0), (self.blocks_multiply_xx_0, 1)) self.connect((self.analog_sig_source_x_0_0, 0), (self.blocks_multiply_xx_0_0, 1)) self.connect((self.analog_sig_source_x_1, 0), (self.blocks_multiply_xx_1, 0)) self.connect((self.blocks_multiply_xx_0, 0), (self.low_pass_filter_0_0, 0)) self.connect((self.blocks_multiply_xx_0_0, 0), (self.blocks_multiply_xx_0, 0)) self.connect((self.blocks_multiply_xx_0_0, 0), (self.blocks_multiply_xx_1, 1)) self.connect((self.blocks_multiply_xx_0_0, 0), (self.rational_resampler_xxx_1, 0)) self.connect((self.blocks_multiply_xx_1, 0), (self.low_pass_filter_0, 0)) self.connect((self.digital_binary_slicer_fb_0, 0), (self.digital_diff_decoder_bb_0, 0)) self.connect((self.digital_binary_slicer_fb_0_0, 0), (self.digital_diff_decoder_bb_0_0, 0)) self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.digital_binary_slicer_fb_0, 0)) self.connect((self.digital_clock_recovery_mm_xx_0_0, 0), (self.digital_binary_slicer_fb_0_0, 0)) self.connect((self.digital_diff_decoder_bb_0, 0), (self.ais_invert_0, 0)) self.connect((self.digital_diff_decoder_bb_0_0, 0), (self.ais_invert_0_0, 0)) self.connect((self.low_pass_filter_0, 0), (self.analog_agc2_xx_0, 0)) self.connect((self.low_pass_filter_0_0, 0), (self.analog_agc2_xx_0_0, 0)) self.connect((self.rational_resampler_xxx_0, 0), (self.digital_clock_recovery_mm_xx_0, 0)) self.connect((self.rational_resampler_xxx_0_0, 0), (self.digital_clock_recovery_mm_xx_0_0, 0)) self.connect((self.rational_resampler_xxx_1, 0), (self.qtgui_freq_sink_x_0, 0)) self.connect((self.rational_resampler_xxx_1, 0), (self.qtgui_waterfall_sink_x_0_1, 0)) self.connect((self.uhd_usrp_source_1, 0), (self.blocks_multiply_xx_0_0, 0))
def __init__(self, addr='0.0.0.0', port='52001', rx_gain=38): gr.top_block.__init__(self, "Ais Rx") ################################################## # Parameters ################################################## self.addr = addr self.port = port self.rx_gain = rx_gain ################################################## # Variables ################################################## self.samp_rate = samp_rate = 250e3 self.decim = decim = 5 self.baud = baud = 9600 self.samp_per_sym = samp_per_sym = (samp_rate / decim / 50 * 48) / baud self.fsk_deviation = fsk_deviation = 10e3 self.freq = freq = 162e6 self.filter_taps = filter_taps = firdes.low_pass( 1, samp_rate, samp_rate / 2, 50000, firdes.WIN_FLATTOP, 6.76) ################################################## # 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_subdev_spec('A:B', 0) self.uhd_usrp_source_0.set_samp_rate(samp_rate) self.uhd_usrp_source_0.set_center_freq( uhd.tune_request(freq, samp_rate / 2), 0) self.uhd_usrp_source_0.set_gain(rx_gain, 0) self.uhd_usrp_source_0.set_antenna('RX2', 0) self.rational_resampler_xxx_0_0 = filter.rational_resampler_fff( interpolation=48, decimation=50, taps=None, fractional_bw=None, ) self.rational_resampler_xxx_0 = filter.rational_resampler_fff( interpolation=48, decimation=50, taps=None, fractional_bw=None, ) self.low_pass_filter_0_0 = filter.fir_filter_ccf( decim, firdes.low_pass(1, samp_rate, 7e3, 1e3, firdes.WIN_HAMMING, 6.76)) self.low_pass_filter_0 = filter.fir_filter_ccf( decim, firdes.low_pass(1, samp_rate, 7e3, 1e3, firdes.WIN_HAMMING, 6.76)) self.digital_map_bb_0_0 = digital.map_bb((1, 0)) self.digital_map_bb_0 = digital.map_bb((1, 0)) self.digital_hdlc_deframer_bp_0_0 = digital.hdlc_deframer_bp(11, 1000) self.digital_hdlc_deframer_bp_0 = digital.hdlc_deframer_bp(11, 1000) 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_clock_recovery_mm_xx_0_0 = digital.clock_recovery_mm_ff( samp_per_sym * (1 + 0.0), 0.25 * 0.175 * 0.175, 0.5, 0.175, 0.005) self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff( samp_per_sym * (1 + 0.0), 0.25 * 0.175 * 0.175, 0.5, 0.175, 0.005) self.digital_binary_slicer_fb_0_0 = digital.binary_slicer_fb() self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb() self.blocks_pdu_to_tagged_stream_0 = blocks.pdu_to_tagged_stream( blocks.byte_t, 'packet_len') self.blocks_multiply_xx_1 = blocks.multiply_vcc(1) self.blocks_multiply_xx_0 = blocks.multiply_vcc(1) self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_char * 1, '/dev/stdout', True) self.blocks_file_sink_0.set_unbuffered(True) self.analog_sig_source_x_1 = analog.sig_source_c( samp_rate, analog.GR_COS_WAVE, 25e3, 1, 0) self.analog_sig_source_x_0 = analog.sig_source_c( samp_rate, analog.GR_COS_WAVE, -25e3, 1, 0) self.analog_quadrature_demod_cf_0_0 = analog.quadrature_demod_cf( (samp_rate / decim) / (2 * math.pi * fsk_deviation / 8.0)) self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf( (samp_rate / decim) / (2 * math.pi * fsk_deviation / 8.0)) self.analog_agc2_xx_0_0 = analog.agc2_cc(1e-3, 1e-1, 1.0, 1.0) self.analog_agc2_xx_0_0.set_max_gain(65536) self.analog_agc2_xx_0 = analog.agc2_cc(1e-3, 1e-1, 1.0, 1.0) self.analog_agc2_xx_0.set_max_gain(65536) self.ais_pdu_to_nmea_0_0 = ais.pdu_to_nmea('B') self.ais_pdu_to_nmea_0 = ais.pdu_to_nmea('A') ################################################## # Connections ################################################## self.msg_connect((self.ais_pdu_to_nmea_0, 'out'), (self.blocks_pdu_to_tagged_stream_0, 'pdus')) self.msg_connect((self.ais_pdu_to_nmea_0_0, 'out'), (self.blocks_pdu_to_tagged_stream_0, 'pdus')) self.msg_connect((self.digital_hdlc_deframer_bp_0, 'out'), (self.ais_pdu_to_nmea_0, 'to_nmea')) self.msg_connect((self.digital_hdlc_deframer_bp_0_0, 'out'), (self.ais_pdu_to_nmea_0_0, 'to_nmea')) self.connect((self.analog_agc2_xx_0, 0), (self.analog_quadrature_demod_cf_0_0, 0)) self.connect((self.analog_agc2_xx_0_0, 0), (self.analog_quadrature_demod_cf_0, 0)) self.connect((self.analog_quadrature_demod_cf_0, 0), (self.rational_resampler_xxx_0, 0)) self.connect((self.analog_quadrature_demod_cf_0_0, 0), (self.rational_resampler_xxx_0_0, 0)) self.connect((self.analog_sig_source_x_0, 0), (self.blocks_multiply_xx_0, 1)) self.connect((self.analog_sig_source_x_1, 0), (self.blocks_multiply_xx_1, 0)) self.connect((self.blocks_multiply_xx_0, 0), (self.low_pass_filter_0_0, 0)) self.connect((self.blocks_multiply_xx_1, 0), (self.low_pass_filter_0, 0)) self.connect((self.blocks_pdu_to_tagged_stream_0, 0), (self.blocks_file_sink_0, 0)) self.connect((self.digital_binary_slicer_fb_0, 0), (self.digital_diff_decoder_bb_0, 0)) self.connect((self.digital_binary_slicer_fb_0_0, 0), (self.digital_diff_decoder_bb_0_0, 0)) self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.digital_binary_slicer_fb_0, 0)) self.connect((self.digital_clock_recovery_mm_xx_0_0, 0), (self.digital_binary_slicer_fb_0_0, 0)) self.connect((self.digital_diff_decoder_bb_0, 0), (self.digital_map_bb_0, 0)) self.connect((self.digital_diff_decoder_bb_0_0, 0), (self.digital_map_bb_0_0, 0)) self.connect((self.digital_map_bb_0, 0), (self.digital_hdlc_deframer_bp_0, 0)) self.connect((self.digital_map_bb_0_0, 0), (self.digital_hdlc_deframer_bp_0_0, 0)) self.connect((self.low_pass_filter_0, 0), (self.analog_agc2_xx_0, 0)) self.connect((self.low_pass_filter_0_0, 0), (self.analog_agc2_xx_0_0, 0)) self.connect((self.rational_resampler_xxx_0, 0), (self.digital_clock_recovery_mm_xx_0, 0)) self.connect((self.rational_resampler_xxx_0_0, 0), (self.digital_clock_recovery_mm_xx_0_0, 0)) self.connect((self.uhd_usrp_source_0, 0), (self.blocks_multiply_xx_0, 0)) self.connect((self.uhd_usrp_source_0, 0), (self.blocks_multiply_xx_1, 1))