def test_fir_filter_fcf_001(self): self.generate_fcf_source() expected_data = ((0.000247188087087-0.000157509770361j), (-0.000155229790835-0.000246197130764j), (-0.000264906557277+0.000174603672349j), (6.99016964063e-05+0.000174961372977j), (-5.48477692064e-05-0.0001131295503j), (-0.000237467131228+0.000118011368613j), (0.000136614587973+0.000229531884543j), (0.000229347482673-0.000166581812664j), (-0.000106010869786-0.000150042149471j), (2.92293734674e-05+0.000142060467624j), (0.000228707227507-9.30760797928e-05j), (-0.000124306126963-0.000216641055886j), (-0.000204823678359+0.00016052465071j), (0.00012825592421+0.000133123627165j), (-1.18284006021e-05-0.000159015646204j), (-0.000219973371713+7.5438656495e-05j), (0.000114713984658+0.000205190401175j), (0.000185727752978-0.000154630601173j), (-0.000141745767905-0.000120098840853j), (-3.9850056055e-07+0.000168364742422j)) src = blocks.vector_source_f(self.src_data) op = filter.freq_xlating_fir_filter_fcf(1, self.taps, self.fc, self.fs) dst = blocks.vector_sink_c() self.tb.connect(src, op, dst) self.tb.run() result_data = dst.data() self.assertComplexTuplesAlmostEqual(expected_data, result_data[-20:], 5)
def test_fir_filter_fcf_002(self): self.generate_fcf_source() expected_data = ((7.3052920925e-05-3.91741014028e-06j), (3.11913172482e-05-0.000109872074972j), (-0.000128646017401-3.49857727997e-05j), (-5.49546712136e-05+8.96326746442e-05j), (5.14321582159e-05+9.64698920143e-05j), (0.000120189361041+2.4231892894e-05j), (0.000100405508419-0.000223224604269j), (-0.000274751859251-2.33274622587e-05j), (1.52600114234e-06+0.000133301247843j), (3.77224641852e-05+5.29596509296e-05j), (-3.60160379387e-06+0.000247975171078j), (0.00113093166146-0.000663110695314j), (0.00059568521101-0.00099650840275j), (-0.000475480686873+0.000250602373853j), (0.000191397906747+0.000271986238658j), (0.000247183139436-0.000157510468853j), (-5.48357638763e-05-0.000113135029096j), (-0.00010601492977-0.00015005269961j), (-0.000204817260965+0.000160534662427j), (0.000114742244477+0.000205190313864j)) src = blocks.vector_source_f(self.src_data) op = filter.freq_xlating_fir_filter_fcf(4, self.taps, self.fc, self.fs) dst = blocks.vector_sink_c() self.tb.connect(src, op, dst) self.tb.run() result_data = dst.data() self.assertComplexTuplesAlmostEqual(expected_data, result_data[-20:], 5)
def _design_freq_trans_filter(self): decimation = 1 taps = [1] cfreq = KARDIA_FM_CFREQ freq_filter = filter.freq_xlating_fir_filter_fcf(decimation, taps, cfreq, self.samp_rate) return freq_filter
def test_fir_filter_fcf_001(self): self.generate_fcf_source() expected_data = ( (0.000247188087087 - 0.000157509770361j), (-0.000155229790835 - 0.000246197130764j), (-0.000264906557277 + 0.000174603672349j), (6.99016964063e-05 + 0.000174961372977j), (-5.48477692064e-05 - 0.0001131295503j), (-0.000237467131228 + 0.000118011368613j), (0.000136614587973 + 0.000229531884543j), (0.000229347482673 - 0.000166581812664j), (-0.000106010869786 - 0.000150042149471j), (2.92293734674e-05 + 0.000142060467624j), (0.000228707227507 - 9.30760797928e-05j), (-0.000124306126963 - 0.000216641055886j), (-0.000204823678359 + 0.00016052465071j), (0.00012825592421 + 0.000133123627165j), (-1.18284006021e-05 - 0.000159015646204j), (-0.000219973371713 + 7.5438656495e-05j), (0.000114713984658 + 0.000205190401175j), (0.000185727752978 - 0.000154630601173j), (-0.000141745767905 - 0.000120098840853j), (-3.9850056055e-07 + 0.000168364742422j)) src = blocks.vector_source_f(self.src_data) op = filter.freq_xlating_fir_filter_fcf(1, self.taps, self.fc, self.fs) dst = blocks.vector_sink_c() self.tb.connect(src, op, dst) self.tb.run() result_data = dst.data() self.assertComplexTuplesAlmostEqual(expected_data, result_data[-20:], 5)
def test_fir_filter_fcf_002(self): self.generate_fcf_source() expected_data = ( (7.3052920925e-05 - 3.91741014028e-06j), (3.11913172482e-05 - 0.000109872074972j), (-0.000128646017401 - 3.49857727997e-05j), (-5.49546712136e-05 + 8.96326746442e-05j), (5.14321582159e-05 + 9.64698920143e-05j), (0.000120189361041 + 2.4231892894e-05j), (0.000100405508419 - 0.000223224604269j), (-0.000274751859251 - 2.33274622587e-05j), (1.52600114234e-06 + 0.000133301247843j), (3.77224641852e-05 + 5.29596509296e-05j), (-3.60160379387e-06 + 0.000247975171078j), (0.00113093166146 - 0.000663110695314j), (0.00059568521101 - 0.00099650840275j), (-0.000475480686873 + 0.000250602373853j), (0.000191397906747 + 0.000271986238658j), (0.000247183139436 - 0.000157510468853j), (-5.48357638763e-05 - 0.000113135029096j), (-0.00010601492977 - 0.00015005269961j), (-0.000204817260965 + 0.000160534662427j), (0.000114742244477 + 0.000205190313864j)) src = blocks.vector_source_f(self.src_data) op = filter.freq_xlating_fir_filter_fcf(4, self.taps, self.fc, self.fs) dst = blocks.vector_sink_c() self.tb.connect(src, op, dst) self.tb.run() result_data = dst.data() self.assertComplexTuplesAlmostEqual(expected_data, result_data[-20:], 5)
def __init__(self, baudrate, samp_rate, iq, af_carrier, deviation, dump_path=None, options=None): gr.hier_block2.__init__( self, "afsk_demodulator", gr.io_signature(1, 1, gr.sizeof_gr_complex if iq else gr.sizeof_float), gr.io_signature(1, 1, gr.sizeof_float)) options_block.__init__(self, options) if iq: self.demod = analog.quadrature_demod_cf(1) self.connect(self, self.demod) else: self.demod = self filter_cutoff = 2 * abs(deviation) filter_transition = 0.1 * abs(deviation) taps = firdes.low_pass(1, samp_rate, filter_cutoff, filter_transition) self.xlating = filter.freq_xlating_fir_filter_fcf( 1, taps, af_carrier, samp_rate) self.fsk = fsk_demodulator(baudrate, samp_rate, deviation=deviation, iq=True, dump_path=dump_path, options=options) self.connect(self.demod, self.xlating, self.fsk, self)
def __init__(self): gr.top_block.__init__(self) parser = OptionParser(option_class=eng_option) parser.add_option("-I", "--audio-input", type="string", default="", help="pcm input device name. E.g., hw:0,0 or /dev/dsp") parser.add_option("-O", "--audio-output", type="string", default="", help="pcm output device name") parser.add_option("-r", "--sample-rate", type="eng_float", default=192000, help="set sample rate to RATE (192000)") parser.add_option("-f", "--frequency", type="eng_float", default=45000) parser.add_option("-a", "--amplitude", type="eng_float", default=0.5) (options, args) = parser.parse_args () if len(args) != 0: parser.print_help() raise SystemExit, 1 sample_rate = int(options.sample_rate) ampl = float(options.amplitude) if ampl > 1.0: ampl = 1.0 to_real = blocks.complex_to_real() to_imag = blocks.complex_to_imag() src = audio.source (sample_rate, options.audio_input) firdes_taps = filter.firdes.low_pass_2(1, 1, 0.2, 0.1, 60) converter = filter.freq_xlating_fir_filter_fcf ( 1, firdes_taps, 0, sample_rate ) converter.set_center_freq(0 - options.frequency) dst = audio.sink (sample_rate, options.audio_output, True) #self.connect(src, converter, to_real, dst) self.connect(src, converter) self.connect(converter, to_real, (dst,0)) self.connect(converter, to_imag, (dst,1))
def __init__(self): gr.top_block.__init__(self, "Afsk Csu") ################################################## # Variables ################################################## self.samp_rate = samp_rate = 44100 self.bps = bps = 1200 self.window_len = window_len = (samp_rate / bps) * 2 self.dec = dec = 4 self.window_sync = window_sync = signal.windows.hann(116) self.window = window = signal.windows.cosine(window_len) self.dec_samp_rate = dec_samp_rate = samp_rate / dec self.bpf_width = bpf_width = bps + 200 self.bpf_trans = bpf_trans = 200 ################################################## # Blocks ################################################## self.freq_xlating_fir_filter_xxx_0_0 = filter.freq_xlating_fir_filter_fcf( dec, (window), (2200 + 1200) / 2, samp_rate) self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(2) self.digital_clock_recovery_mm_xx_0_0 = digital.clock_recovery_mm_ff( 9.1875, 0.28, 0, 0.024, 0.01) self.digital_binary_slicer_fb_0_0 = digital.binary_slicer_fb() self.blocks_wavfile_source_0 = blocks.wavfile_source( '/tmp/gs-sample.wav', False) self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((1, )) self.blocks_file_sink_1_0_1_0 = blocks.file_sink( gr.sizeof_char * 1, '/tmp/gs-sample.binary', False) self.blocks_file_sink_1_0_1_0.set_unbuffered(True) self.band_pass_filter_0 = filter.fir_filter_fff( 1, firdes.band_pass(1, samp_rate, 1700 - bpf_width, 1700 + bpf_width, bpf_trans, firdes.WIN_HAMMING, 6.76)) self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf( (dec_samp_rate / bps) / (math.pi * 0.5)) ################################################## # Connections ################################################## self.connect((self.analog_quadrature_demod_cf_0, 0), (self.blocks_multiply_const_vxx_0, 0)) self.connect((self.band_pass_filter_0, 0), (self.freq_xlating_fir_filter_xxx_0_0, 0)) self.connect((self.blocks_multiply_const_vxx_0, 0), (self.digital_clock_recovery_mm_xx_0_0, 0)) self.connect((self.blocks_wavfile_source_0, 0), (self.band_pass_filter_0, 0)) self.connect((self.digital_binary_slicer_fb_0_0, 0), (self.digital_diff_decoder_bb_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.blocks_file_sink_1_0_1_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_0_0, 0), (self.analog_quadrature_demod_cf_0, 0))
def __init__(self): gr.top_block.__init__(self, "Top Block") Qt.QWidget.__init__(self) self.setWindowTitle("Top Block") try: self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc')) except: pass self.top_scroll_layout = Qt.QVBoxLayout() self.setLayout(self.top_scroll_layout) self.top_scroll = Qt.QScrollArea() self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame) self.top_scroll_layout.addWidget(self.top_scroll) self.top_scroll.setWidgetResizable(True) self.top_widget = Qt.QWidget() self.top_scroll.setWidget(self.top_widget) self.top_layout = Qt.QVBoxLayout(self.top_widget) self.top_grid_layout = Qt.QGridLayout() self.top_layout.addLayout(self.top_grid_layout) self.settings = Qt.QSettings("GNU Radio", "top_block") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Variables ################################################## self.samp_rate = samp_rate = 44100 self.center1 = center1 = 0 ################################################## # Blocks ################################################## self._center1_range = Range(-20000, 20000, 100, 0, 200) self._center1_win = RangeWidget(self._center1_range, self.set_center1, "center1", "counter_slider", float) self.top_layout.addWidget(self._center1_win) self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_fcf(1, (1, ), center1, samp_rate) self.freq_xlating_fft_filter_ccc_0 = filter.freq_xlating_fft_filter_ccc(1, (1, ), center1, samp_rate) self.freq_xlating_fft_filter_ccc_0.set_nthreads(1) self.freq_xlating_fft_filter_ccc_0.declare_sample_delay(0) self.blocks_float_to_complex_0 = blocks.float_to_complex(1) self.blocks_complex_to_float_0_0 = blocks.complex_to_float(1) self.blocks_complex_to_float_0 = blocks.complex_to_float(1) self.audio_source_0 = audio.source(samp_rate, "", True) self.audio_sink_0 = audio.sink(samp_rate, "", True) self.analog_const_source_x_0 = analog.sig_source_f(0, analog.GR_CONST_WAVE, 0, 0, 0) ################################################## # Connections ################################################## self.connect((self.analog_const_source_x_0, 0), (self.blocks_float_to_complex_0, 1)) self.connect((self.audio_source_0, 0), (self.blocks_float_to_complex_0, 0)) self.connect((self.audio_source_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0)) self.connect((self.blocks_complex_to_float_0, 0), (self.audio_sink_0, 0)) self.connect((self.blocks_complex_to_float_0_0, 0), (self.audio_sink_0, 1)) self.connect((self.blocks_float_to_complex_0, 0), (self.freq_xlating_fft_filter_ccc_0, 0)) self.connect((self.freq_xlating_fft_filter_ccc_0, 0), (self.blocks_complex_to_float_0_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.blocks_complex_to_float_0, 0))
def test_fir_filter_fcf_002(self): self.generate_fcf_source() decim = 4 lo = sig_source_c(self.fs, -self.fc, 1, len(self.src_data)) despun = mix(lo, self.src_data) expected_data = fir_filter(despun, self.taps, decim) src = blocks.vector_source_f(self.src_data) op = filter.freq_xlating_fir_filter_fcf(decim, self.taps, self.fc, self.fs) dst = blocks.vector_sink_c() self.tb.connect(src, op, dst) self.tb.run() result_data = dst.data() self.assertComplexTuplesAlmostEqual(expected_data, result_data, 5)
def __init__(self): gr.top_block.__init__(self, 'Top Block') # sample frequency = 44100 Hz (already explained) self.samp_rate = samp_rate = 44100 # block that removes audio signal far from the selected frequency to avoid noise self.low_pass_filter_0 = gnufilter.fir_filter_ccf(1, firdes.low_pass(1, samp_rate, 200, 10, firdes.WIN_HANN, 6.76)) # data to hide centered at (44100 / 2 - 1000) = 21050 Hz (already explained) self.freq_xlating_fir_filter_xxx_0_0 = gnufilter.freq_xlating_fir_filter_fcf(1, (1, ), - (samp_rate / 2 - 1000), samp_rate) # one encoded bit each (44100 / 100) samples of audio self.digital_gmsk_demod_0 = digital.gmsk_demod( samples_per_symbol = samp_rate / 100, gain_mu = 0.175, mu = 0.5, omega_relative_limit = 0.01, freq_error = 0.0, verbose = False, log = False, ) # block that defines the source audio file self.blocks_wavfile_source_0 = blocks.wavfile_source(tmp_audio_extracted, False) # block that defines the destination data file to extract self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_char * 1, tmp_data_formatted, False) # block that defines the file writing as unbuffered to write to disk as soon as possible self.blocks_file_sink_0.set_unbuffered(True) # connections between blocks self.connect((self.blocks_wavfile_source_0, 0), (self.freq_xlating_fir_filter_xxx_0_0, 0)) self.connect((self.digital_gmsk_demod_0, 0), (self.blocks_file_sink_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_0_0, 0), (self.low_pass_filter_0, 0)) self.connect((self.low_pass_filter_0, 0), (self.digital_gmsk_demod_0, 0))
def __init__(self, bfo=12000, callsign='', ip='::', latitude=0, longitude=0, port=7355, recstart=''): gr.top_block.__init__(self, "3CAT-2 decoder") ################################################## # Parameters ################################################## self.bfo = bfo self.callsign = callsign self.ip = ip self.latitude = latitude self.longitude = longitude self.port = port self.recstart = recstart ################################################## # Variables ################################################## self.samp_per_sym = samp_per_sym = 5 self.nfilts = nfilts = 16 self.variable_constellation_0 = variable_constellation_0 = digital.constellation_calcdist( ([-1, 1]), ([0, 1]), 2, 1).base() self.samp_rate = samp_rate = 48000 self.rrc_taps = rrc_taps = firdes.root_raised_cosine( nfilts, nfilts, 1.0 / float(samp_per_sym), 0.35, 11 * samp_per_sym * nfilts) ################################################## # Blocks ################################################## self.sids_submit_0 = sids.submit( 'http://tlm.pe0sat.nl/tlmdb/frame_db.php', 41732, callsign, longitude, latitude, recstart) self.sids_print_timestamp_0 = sids.print_timestamp('%Y-%m-%d %H:%M:%S') self.sat3cat2_telemetry_parser_0 = sat3cat2.telemetry_parser() self.low_pass_filter_0 = filter.fir_filter_ccf( 1, firdes.low_pass(1, samp_rate, 7500, 500, firdes.WIN_HAMMING, 6.76)) self.kiss_pdu_to_kiss_0 = kiss.pdu_to_kiss() self.kiss_nrzi_decode_0 = kiss.nrzi_decode() self.kiss_hdlc_deframer_0 = kiss.hdlc_deframer(check_fcs=True, max_length=10000) self.kiss_check_address_0 = kiss.check_address('3CAT2', "from") self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_fcf( 1, (firdes.low_pass(1, samp_rate, 10000, 1000)), bfo, samp_rate) self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf( samp_per_sym, 0.1, (rrc_taps), nfilts, nfilts / 2, 1.5, 2) self.digital_lms_dd_equalizer_cc_0_0 = digital.lms_dd_equalizer_cc( 2, 0.03, 2, variable_constellation_0) self.digital_fll_band_edge_cc_0 = digital.fll_band_edge_cc( samp_per_sym, 0.350, 100, 0.020) self.digital_costas_loop_cc_0_0_0_0 = digital.costas_loop_cc( 0.04, 2, False) self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb() self.blocks_udp_source_0 = blocks.udp_source(gr.sizeof_short * 1, ip, port, 1472, False) self.blocks_socket_pdu_0 = blocks.socket_pdu("TCP_SERVER", '', '52001', 10000, True) self.blocks_short_to_float_0 = blocks.short_to_float(1, 32767) self.blocks_complex_to_real_0 = blocks.complex_to_real(1) self.analog_feedforward_agc_cc_0 = analog.feedforward_agc_cc( 1024 * 4, 2) ################################################## # Connections ################################################## self.msg_connect((self.kiss_check_address_0, 'ok'), (self.sids_print_timestamp_0, 'in')) self.msg_connect((self.kiss_hdlc_deframer_0, 'out'), (self.kiss_check_address_0, 'in')) self.msg_connect((self.kiss_pdu_to_kiss_0, 'out'), (self.blocks_socket_pdu_0, 'pdus')) self.msg_connect((self.sids_print_timestamp_0, 'out'), (self.kiss_pdu_to_kiss_0, 'in')) self.msg_connect((self.sids_print_timestamp_0, 'out'), (self.sat3cat2_telemetry_parser_0, 'in')) self.msg_connect((self.sids_print_timestamp_0, 'out'), (self.sids_submit_0, 'in')) self.connect((self.analog_feedforward_agc_cc_0, 0), (self.digital_fll_band_edge_cc_0, 0)) self.connect((self.blocks_complex_to_real_0, 0), (self.digital_binary_slicer_fb_0, 0)) self.connect((self.blocks_short_to_float_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0)) self.connect((self.blocks_udp_source_0, 0), (self.blocks_short_to_float_0, 0)) self.connect((self.digital_binary_slicer_fb_0, 0), (self.kiss_nrzi_decode_0, 0)) self.connect((self.digital_costas_loop_cc_0_0_0_0, 0), (self.digital_lms_dd_equalizer_cc_0_0, 0)) self.connect((self.digital_fll_band_edge_cc_0, 0), (self.low_pass_filter_0, 0)) self.connect((self.digital_lms_dd_equalizer_cc_0_0, 0), (self.blocks_complex_to_real_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_costas_loop_cc_0_0_0_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.analog_feedforward_agc_cc_0, 0)) self.connect((self.kiss_nrzi_decode_0, 0), (self.kiss_hdlc_deframer_0, 0)) self.connect((self.low_pass_filter_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0))
def __init__(self): grc_wxgui.top_block_gui.__init__(self, title="RPi4 FM S RDS") _icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png" self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY)) ################################################## # Variables ################################################## self.samp_rate = samp_rate = 2e6 self.sampleOut = sampleOut = 30000 self.quadrature = quadrature = samp_rate / 10 self.frekvenca = frekvenca = 106900000 ################################################## # Blocks ################################################## self.nbook = self.nbook = wx.Notebook(self.GetWin(), style=wx.NB_TOP) self.nbook.AddPage(grc_wxgui.Panel(self.nbook), "Vhodni Spekter") self.nbook.AddPage(grc_wxgui.Panel(self.nbook), "MPX spekter") self.nbook.AddPage(grc_wxgui.Panel(self.nbook), "MPX slap") self.nbook.AddPage(grc_wxgui.Panel(self.nbook), "L+R") self.nbook.AddPage(grc_wxgui.Panel(self.nbook), "L-R") self.nbook.AddPage(grc_wxgui.Panel(self.nbook), "RDS spekter") self.nbook.AddPage(grc_wxgui.Panel(self.nbook), "RDS scope") self.Add(self.nbook) _frekvenca_sizer = wx.BoxSizer(wx.VERTICAL) self._frekvenca_text_box = forms.text_box( parent=self.GetWin(), sizer=_frekvenca_sizer, value=self.frekvenca, callback=self.set_frekvenca, label='Frekvenca', converter=forms.float_converter(), proportion=0, ) self._frekvenca_slider = forms.slider( parent=self.GetWin(), sizer=_frekvenca_sizer, value=self.frekvenca, callback=self.set_frekvenca, minimum=80000000, maximum=110000000, num_steps=1000, style=wx.SL_HORIZONTAL, cast=float, proportion=1, ) self.Add(_frekvenca_sizer) self.wxgui_waterfallsink2_0 = waterfallsink2.waterfall_sink_f( self.nbook.GetPage(2).GetWin(), baseband_freq=0, dynamic_range=100, ref_level=0, ref_scale=1.0, sample_rate=140000, fft_size=512, fft_rate=15, average=False, avg_alpha=None, title='Waterfall Plot', ) self.nbook.GetPage(2).Add(self.wxgui_waterfallsink2_0.win) self.wxgui_scopesink2_1 = scopesink2.scope_sink_c( self.nbook.GetPage(6).GetWin(), title='Scope Plot', sample_rate=2375 * 4, v_scale=0.0004, v_offset=0, t_scale=0, ac_couple=False, xy_mode=True, num_inputs=1, trig_mode=wxgui.TRIG_MODE_AUTO, y_axis_label='Counts', ) self.nbook.GetPage(6).Add(self.wxgui_scopesink2_1.win) self.wxgui_fftsink2_3 = fftsink2.fft_sink_c( self.nbook.GetPage(5).GetWin(), baseband_freq=57000, y_per_div=10, y_divs=10, ref_level=-70, ref_scale=2.0, sample_rate=19000, fft_size=1024, fft_rate=15, average=False, avg_alpha=0.1333, title='FFT Plot', peak_hold=False, ) self.nbook.GetPage(5).Add(self.wxgui_fftsink2_3.win) self.wxgui_fftsink2_2 = fftsink2.fft_sink_c( self.nbook.GetPage(0).GetWin(), baseband_freq=frekvenca, y_per_div=10, y_divs=10, ref_level=0, ref_scale=2.0, sample_rate=samp_rate, fft_size=1024, fft_rate=15, average=True, avg_alpha=0.1333, title='SDR sprejem', peak_hold=False, ) self.nbook.GetPage(0).Add(self.wxgui_fftsink2_2.win) self.wxgui_fftsink2_1 = fftsink2.fft_sink_f( self.nbook.GetPage(3).GetWin(), baseband_freq=0, y_per_div=10, y_divs=10, ref_level=0, ref_scale=2.0, sample_rate=sampleOut, fft_size=1024, fft_rate=15, average=True, avg_alpha=0.1333, title='L+R', peak_hold=False, ) self.nbook.GetPage(3).Add(self.wxgui_fftsink2_1.win) self.wxgui_fftsink2_0_0_0_1 = fftsink2.fft_sink_f( self.nbook.GetPage(4).GetWin(), baseband_freq=0, y_per_div=10, y_divs=10, ref_level=0, ref_scale=2.0, sample_rate=30000, fft_size=1024, fft_rate=15, average=True, avg_alpha=0.1333, title='L-R', peak_hold=False, ) self.nbook.GetPage(4).Add(self.wxgui_fftsink2_0_0_0_1.win) self.wxgui_fftsink2_0 = fftsink2.fft_sink_f( self.nbook.GetPage(1).GetWin(), baseband_freq=0, y_per_div=10, y_divs=10, ref_level=0, ref_scale=2.0, sample_rate=140000, fft_size=1024, fft_rate=15, average=True, avg_alpha=0.1333, title='MPX spectrum', peak_hold=False, win=window.hamming, ) self.nbook.GetPage(1).Add(self.wxgui_fftsink2_0.win) self.root_raised_cosine_filter_0 = filter.fir_filter_ccf( 2, firdes.root_raised_cosine(1, 19000, 2375, .35, 100)) self.rational_resampler_xxx_1 = filter.rational_resampler_fff( interpolation=140, decimation=280, taps=None, fractional_bw=None, ) self.rational_resampler_xxx_0_0 = filter.rational_resampler_fff( interpolation=sampleOut / 1000, decimation=40, taps=None, fractional_bw=None, ) self.rational_resampler_xxx_0 = filter.rational_resampler_fff( interpolation=sampleOut / 1000, decimation=int(quadrature / 1000), taps=None, fractional_bw=None, ) self.pfb_arb_resampler_xxx_0 = pfb.arb_resampler_ccf(19000 / quadrature, taps=None, flt_size=32) self.pfb_arb_resampler_xxx_0.declare_sample_delay(0) self.osmosdr_source_0 = osmosdr.source(args="numchan=" + str(1) + " " + '') self.osmosdr_source_0.set_sample_rate(samp_rate) self.osmosdr_source_0.set_center_freq(frekvenca, 0) self.osmosdr_source_0.set_freq_corr(0, 0) self.osmosdr_source_0.set_dc_offset_mode(2, 0) self.osmosdr_source_0.set_iq_balance_mode(0, 0) self.osmosdr_source_0.set_gain_mode(False, 0) self.osmosdr_source_0.set_gain(10, 0) self.osmosdr_source_0.set_if_gain(20, 0) self.osmosdr_source_0.set_bb_gain(20, 0) self.osmosdr_source_0.set_antenna('', 0) self.osmosdr_source_0.set_bandwidth(0, 0) self.low_pass_filter_0 = filter.fir_filter_ccf( 10, firdes.low_pass(1, samp_rate, 75000, 25000, firdes.WIN_HAMMING, 6.76)) self.gr_rds_parser_0 = rds.parser(True, False, 0) self.gr_rds_panel_0 = rds.rdsPanel(frekvenca, self.GetWin()) self.Add(self.gr_rds_panel_0.panel) self.gr_rds_decoder_0 = rds.decoder(False, False) self.freq_xlating_fir_filter_xxx_2 = filter.freq_xlating_fir_filter_fcf( 5, (firdes.low_pass(1.0, 200000, 13e3, 3e3, firdes.WIN_HAMMING)), 38000, 200000) self.digital_psk_demod_0 = digital.psk.psk_demod( constellation_points=2, differential=False, samples_per_symbol=4, excess_bw=0.35, phase_bw=6.28 / 100.0, timing_bw=6.28 / 100.0, mod_code="gray", verbose=False, log=False, ) self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(2) self.blocks_sub_xx_0 = blocks.sub_ff(1) self.blocks_keep_one_in_n_0 = blocks.keep_one_in_n( gr.sizeof_char * 1, 2) self.blocks_complex_to_real_0 = blocks.complex_to_real(1) self.blocks_add_xx_0 = blocks.add_vff(1) self.audio_sink_0 = audio.sink(sampleOut, 'hw:0,0', True) self.analog_wfm_rcv_0 = analog.wfm_rcv( quad_rate=quadrature, audio_decimation=1, ) self.analog_fm_deemph_0_0_0 = analog.fm_deemph(fs=sampleOut, tau=75e-6) self.analog_fm_deemph_0_0 = analog.fm_deemph(fs=sampleOut, tau=75e-6) self.aa = filter.freq_xlating_fir_filter_fcc( 1, (filter.firdes.low_pass_2(1, samp_rate / 10, 2000, 500, 60)), 57000, quadrature) ################################################## # Connections ################################################## self.msg_connect((self.gr_rds_decoder_0, 'out'), (self.gr_rds_parser_0, 'in')) self.msg_connect((self.gr_rds_parser_0, 'out'), (self.gr_rds_panel_0, 'in')) self.connect((self.aa, 0), (self.pfb_arb_resampler_xxx_0, 0)) self.connect((self.analog_fm_deemph_0_0, 0), (self.audio_sink_0, 0)) self.connect((self.analog_fm_deemph_0_0_0, 0), (self.audio_sink_0, 1)) self.connect((self.analog_wfm_rcv_0, 0), (self.aa, 0)) self.connect((self.analog_wfm_rcv_0, 0), (self.freq_xlating_fir_filter_xxx_2, 0)) self.connect((self.analog_wfm_rcv_0, 0), (self.rational_resampler_xxx_0, 0)) self.connect((self.analog_wfm_rcv_0, 0), (self.rational_resampler_xxx_1, 0)) self.connect((self.blocks_add_xx_0, 0), (self.analog_fm_deemph_0_0_0, 0)) self.connect((self.blocks_complex_to_real_0, 0), (self.rational_resampler_xxx_0_0, 0)) self.connect((self.blocks_keep_one_in_n_0, 0), (self.digital_diff_decoder_bb_0, 0)) self.connect((self.blocks_sub_xx_0, 0), (self.analog_fm_deemph_0_0, 0)) self.connect((self.digital_diff_decoder_bb_0, 0), (self.gr_rds_decoder_0, 0)) self.connect((self.digital_psk_demod_0, 0), (self.blocks_keep_one_in_n_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_2, 0), (self.blocks_complex_to_real_0, 0)) self.connect((self.low_pass_filter_0, 0), (self.analog_wfm_rcv_0, 0)) self.connect((self.osmosdr_source_0, 0), (self.low_pass_filter_0, 0)) self.connect((self.osmosdr_source_0, 0), (self.wxgui_fftsink2_2, 0)) self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.root_raised_cosine_filter_0, 0)) self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.wxgui_fftsink2_3, 0)) self.connect((self.rational_resampler_xxx_0, 0), (self.blocks_add_xx_0, 1)) self.connect((self.rational_resampler_xxx_0, 0), (self.blocks_sub_xx_0, 1)) self.connect((self.rational_resampler_xxx_0, 0), (self.wxgui_fftsink2_1, 0)) self.connect((self.rational_resampler_xxx_0_0, 0), (self.blocks_add_xx_0, 0)) self.connect((self.rational_resampler_xxx_0_0, 0), (self.blocks_sub_xx_0, 0)) self.connect((self.rational_resampler_xxx_0_0, 0), (self.wxgui_fftsink2_0_0_0_1, 0)) self.connect((self.rational_resampler_xxx_1, 0), (self.wxgui_fftsink2_0, 0)) self.connect((self.rational_resampler_xxx_1, 0), (self.wxgui_waterfallsink2_0, 0)) self.connect((self.root_raised_cosine_filter_0, 0), (self.digital_psk_demod_0, 0)) self.connect((self.root_raised_cosine_filter_0, 0), (self.wxgui_scopesink2_1, 0))
def __init__(self, bfo=12000, ip='127.0.0.1', port=7355, recstart=''): gr.top_block.__init__(self, "Taurus-1 decoder") Qt.QWidget.__init__(self) self.setWindowTitle("Taurus-1 decoder") 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", "taurus1") self.restoreGeometry( self.settings.value("geometry", type=QtCore.QByteArray)) ################################################## # Parameters ################################################## self.bfo = bfo self.ip = ip self.port = port self.recstart = recstart ################################################## # Variables ################################################## self.sps = sps = 5 self.samp_per_sym = samp_per_sym = 5 self.nfilts = nfilts = 16 self.alpha = alpha = 0.35 self.variable_constellation_0 = variable_constellation_0 = digital.constellation_calcdist( ([-1, 1]), ([0, 1]), 2, 1).base() self.threshold = threshold = 3 self.samp_rate = samp_rate = 48000 self.rrc_taps_0 = rrc_taps_0 = firdes.root_raised_cosine( nfilts, nfilts, 1.0 / float(samp_per_sym), 0.35, 11 * samp_per_sym * nfilts) self.rrc_taps = rrc_taps = firdes.root_raised_cosine( nfilts, nfilts, 1.0 / float(sps), alpha, 11 * sps * nfilts) self.nfilts_0 = nfilts_0 = 16 self.equalizer_gain = equalizer_gain = 0.05 self.af_gain = af_gain = 0 ################################################## # Blocks ################################################## self._equalizer_gain_range = Range(0.0, 0.2, 0.01, 0.05, 200) self._equalizer_gain_win = RangeWidget(self._equalizer_gain_range, self.set_equalizer_gain, 'Equalizer: Gain', "counter_slider", float) self.top_grid_layout.addWidget(self._equalizer_gain_win) self._af_gain_tool_bar = Qt.QToolBar(self) self._af_gain_tool_bar.addWidget(Qt.QLabel('AF Gain' + ": ")) self._af_gain_line_edit = Qt.QLineEdit(str(self.af_gain)) self._af_gain_tool_bar.addWidget(self._af_gain_line_edit) self._af_gain_line_edit.returnPressed.connect(lambda: self.set_af_gain( eng_notation.str_to_num( str(self._af_gain_line_edit.text().toAscii())))) self.top_grid_layout.addWidget(self._af_gain_tool_bar) self.satellites_taurus1_telemetry_parser_0 = satellites.taurus1_telemetry_parser( ) self.satellites_submit_0 = satellites.submit( 'https://db.satnogs.org/api/telemetry/', 44530, 'AD7NP', -122.2084, 47.6458, recstart) self.satellites_print_timestamp_0 = satellites.print_timestamp( '%Y-%m-%d %H:%M:%S', True) self.satellites_lilacsat1_demux_0_0 = satellites.lilacsat1_demux( "syncword") self.satellites_lilacsat1_demux_0 = satellites.lilacsat1_demux( "syncword") self.satellites_kiss_to_pdu_1 = satellites.kiss_to_pdu(False) self.rms_agc_0 = rms_agc( alpha=1e-2, reference=0.5, ) self.rational_resampler_xxx_0 = filter.rational_resampler_fff( interpolation=6, decimation=1, taps=None, fractional_bw=None, ) self.qtgui_time_sink_x_0 = qtgui.time_sink_f( 1000, #size 8000, #samp_rate "", #name 1 #number of inputs ) self.qtgui_time_sink_x_0.set_update_time(0.125) self.qtgui_time_sink_x_0.set_y_axis(-1, 1) self.qtgui_time_sink_x_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_0.enable_tags(-1, True) self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_0.enable_autoscale(False) self.qtgui_time_sink_x_0.enable_grid(False) self.qtgui_time_sink_x_0.enable_axis_labels(True) self.qtgui_time_sink_x_0.enable_control_panel(False) self.qtgui_time_sink_x_0.enable_stem_plot(False) if not True: self.qtgui_time_sink_x_0.disable_legend() labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "blue" ] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.qtgui_time_sink_x_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_time_sink_x_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_0_win = sip.wrapinstance( self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_win) self.qtgui_const_sink_x_0 = qtgui.const_sink_c( 1024, #size "", #name 1 #number of inputs ) self.qtgui_const_sink_x_0.set_update_time(0.10) self.qtgui_const_sink_x_0.set_y_axis(-2, 2) self.qtgui_const_sink_x_0.set_x_axis(-2, 2) self.qtgui_const_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.qtgui_const_sink_x_0.enable_autoscale(False) self.qtgui_const_sink_x_0.enable_grid(False) self.qtgui_const_sink_x_0.enable_axis_labels(True) if not True: self.qtgui_const_sink_x_0.disable_legend() labels = ['A', 'B', '', '', '', '', '', '', '', ''] 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, 0, 1, 2) for r in range(1, 2): self.top_grid_layout.setRowStretch(r, 1) for c in range(0, 2): self.top_grid_layout.setColumnStretch(c, 1) self.low_pass_filter_0 = filter.fir_filter_ccf( 1, firdes.low_pass(1, samp_rate, 6000, 500, firdes.WIN_HAMMING, 6.76)) self.lilacsat_vitfilt27_fb_0_0 = lilacsat.vitfilt27_fb() self.lilacsat_vitfilt27_fb_0 = lilacsat.vitfilt27_fb() self.lilacsat_sync_det_b_0_0 = lilacsat.sync_det_b( 0x1ACFFC1D, 116, True, True) self.lilacsat_sync_det_b_0 = lilacsat.sync_det_b( 0x1ACFFC1D, 116, True, True) self.lilacsat_lilacsat1_frame_depack_0 = lilacsat.lilacsat1_frame_depack( ) (self.lilacsat_lilacsat1_frame_depack_0).set_max_output_buffer(512) self.lilacsat_codec2_decode_bf_0 = lilacsat.codec2_decode_bf(0) self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_fcf( 1, (firdes.low_pass(1, samp_rate, 10000, 1000)), bfo, samp_rate) self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf( sps, 0.05, (rrc_taps), nfilts, nfilts / 2, 0.01, 1) self.digital_lms_dd_equalizer_cc_0_0 = digital.lms_dd_equalizer_cc( 2, equalizer_gain, 2, variable_constellation_0) self.digital_fll_band_edge_cc_0 = digital.fll_band_edge_cc( sps, 0.350, 100, 0.01) self.digital_diff_decoder_bb_0_0 = digital.diff_decoder_bb(2) self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(2) self.digital_costas_loop_cc_0_0 = digital.costas_loop_cc(0.1, 2, False) self.digital_correlate_access_code_tag_bb_0_0_0_0_0 = digital.correlate_access_code_tag_bb( "00011010110011111111110000011101", threshold, "syncword") self.digital_correlate_access_code_tag_bb_0_0_0_0 = digital.correlate_access_code_tag_bb( "00011010110011111111110000011101", threshold, "syncword") self.digital_additive_scrambler_bb_0_0_0_0 = digital.additive_scrambler_bb( 0xA9, 0xFF, 7, count=0, bits_per_byte=1, reset_tag_key="syncword") self.digital_additive_scrambler_bb_0_0_0 = digital.additive_scrambler_bb( 0xA9, 0xFF, 7, count=0, bits_per_byte=1, reset_tag_key="syncword") self.ccsds_viterbi_0_0 = ccsds_viterbi() self.ccsds_viterbi_0 = ccsds_viterbi() self.blocks_unpacked_to_packed_xx_0_0_0_0_0 = blocks.unpacked_to_packed_bb( 1, gr.GR_MSB_FIRST) self.blocks_unpacked_to_packed_xx_0_0_0_0 = blocks.unpacked_to_packed_bb( 1, gr.GR_MSB_FIRST) self.blocks_unpack_k_bits_bb_0_0_0_1 = blocks.unpack_k_bits_bb(8) self.blocks_unpack_k_bits_bb_0_0_0 = blocks.unpack_k_bits_bb(8) self.blocks_udp_source_0 = blocks.udp_source(gr.sizeof_short * 1, ip, port, 1472, False) self.blocks_udp_sink_0 = blocks.udp_sink(gr.sizeof_char * 1, '127.0.0.1', 7000, 7, False) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_float * 1, 8000, True) self.blocks_short_to_float_0 = blocks.short_to_float(1, 32767) self.blocks_pdu_to_tagged_stream_1_0 = blocks.pdu_to_tagged_stream( blocks.byte_t, 'packet_len') self.blocks_pdu_to_tagged_stream_1 = blocks.pdu_to_tagged_stream( blocks.byte_t, 'packet_len') self.blocks_multiply_const_vxx_1 = blocks.multiply_const_vff( (10.0**(af_gain / 20.0), )) self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((0, )) self.blocks_message_debug_0 = blocks.message_debug() self.blocks_delay_0_0 = blocks.delay(gr.sizeof_float * 1, 1) self.blocks_delay_0 = blocks.delay(gr.sizeof_float * 1, 1) self.blocks_complex_to_real_0_0 = blocks.complex_to_real(1) self.blocks_complex_to_real_0 = blocks.complex_to_real(1) self.blocks_add_xx_0 = blocks.add_vff(1) self.audio_source_0 = audio.source(8000, '', True) self.audio_sink_0 = audio.sink(48000, '', True) ################################################## # Connections ################################################## self.msg_connect((self.lilacsat_lilacsat1_frame_depack_0, 'out'), (self.blocks_message_debug_0, 'store')) self.msg_connect((self.lilacsat_sync_det_b_0, 'out'), (self.lilacsat_lilacsat1_frame_depack_0, 'in')) self.msg_connect((self.lilacsat_sync_det_b_0_0, 'out'), (self.lilacsat_lilacsat1_frame_depack_0, 'in')) self.msg_connect((self.satellites_kiss_to_pdu_1, 'out'), (self.satellites_print_timestamp_0, 'in')) self.msg_connect((self.satellites_kiss_to_pdu_1, 'out'), (self.satellites_submit_0, 'in')) self.msg_connect((self.satellites_lilacsat1_demux_0, 'kiss'), (self.blocks_pdu_to_tagged_stream_1, 'pdus')) self.msg_connect((self.satellites_lilacsat1_demux_0, 'codec2'), (self.blocks_pdu_to_tagged_stream_1_0, 'pdus')) self.msg_connect((self.satellites_lilacsat1_demux_0_0, 'kiss'), (self.blocks_pdu_to_tagged_stream_1, 'pdus')) self.msg_connect((self.satellites_lilacsat1_demux_0_0, 'codec2'), (self.blocks_pdu_to_tagged_stream_1_0, 'pdus')) self.msg_connect((self.satellites_print_timestamp_0, 'out'), (self.blocks_message_debug_0, 'print_pdu')) self.msg_connect((self.satellites_print_timestamp_0, 'out'), (self.satellites_taurus1_telemetry_parser_0, 'in')) self.connect((self.audio_source_0, 0), (self.blocks_multiply_const_vxx_0, 0)) self.connect((self.blocks_add_xx_0, 0), (self.blocks_throttle_0, 0)) self.connect((self.blocks_complex_to_real_0, 0), (self.blocks_delay_0, 0)) self.connect((self.blocks_complex_to_real_0, 0), (self.ccsds_viterbi_0, 0)) self.connect((self.blocks_complex_to_real_0_0, 0), (self.blocks_delay_0_0, 0)) self.connect((self.blocks_complex_to_real_0_0, 0), (self.lilacsat_vitfilt27_fb_0, 0)) self.connect((self.blocks_delay_0, 0), (self.ccsds_viterbi_0_0, 0)) self.connect((self.blocks_delay_0_0, 0), (self.lilacsat_vitfilt27_fb_0_0, 0)) self.connect((self.blocks_multiply_const_vxx_0, 0), (self.blocks_add_xx_0, 0)) self.connect((self.blocks_multiply_const_vxx_1, 0), (self.blocks_add_xx_0, 1)) self.connect((self.blocks_pdu_to_tagged_stream_1, 0), (self.blocks_unpacked_to_packed_xx_0_0_0_0, 0)) self.connect((self.blocks_pdu_to_tagged_stream_1_0, 0), (self.blocks_unpacked_to_packed_xx_0_0_0_0_0, 0)) self.connect((self.blocks_short_to_float_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.rational_resampler_xxx_0, 0)) self.connect((self.blocks_udp_source_0, 0), (self.blocks_short_to_float_0, 0)) self.connect((self.blocks_unpack_k_bits_bb_0_0_0, 0), (self.lilacsat_sync_det_b_0, 0)) self.connect((self.blocks_unpack_k_bits_bb_0_0_0_1, 0), (self.lilacsat_sync_det_b_0_0, 0)) self.connect((self.blocks_unpacked_to_packed_xx_0_0_0_0, 0), (self.satellites_kiss_to_pdu_1, 0)) self.connect((self.blocks_unpacked_to_packed_xx_0_0_0_0_0, 0), (self.blocks_udp_sink_0, 0)) self.connect((self.ccsds_viterbi_0, 0), (self.digital_diff_decoder_bb_0, 0)) self.connect((self.ccsds_viterbi_0_0, 0), (self.digital_diff_decoder_bb_0_0, 0)) self.connect((self.digital_additive_scrambler_bb_0_0_0, 0), (self.satellites_lilacsat1_demux_0, 0)) self.connect((self.digital_additive_scrambler_bb_0_0_0_0, 0), (self.satellites_lilacsat1_demux_0_0, 0)) self.connect((self.digital_correlate_access_code_tag_bb_0_0_0_0, 0), (self.digital_additive_scrambler_bb_0_0_0, 0)) self.connect((self.digital_correlate_access_code_tag_bb_0_0_0_0_0, 0), (self.digital_additive_scrambler_bb_0_0_0_0, 0)) self.connect((self.digital_costas_loop_cc_0_0, 0), (self.blocks_complex_to_real_0, 0)) self.connect((self.digital_costas_loop_cc_0_0, 0), (self.blocks_complex_to_real_0_0, 0)) self.connect((self.digital_costas_loop_cc_0_0, 0), (self.digital_lms_dd_equalizer_cc_0_0, 0)) self.connect((self.digital_diff_decoder_bb_0, 0), (self.digital_correlate_access_code_tag_bb_0_0_0_0, 0)) self.connect((self.digital_diff_decoder_bb_0_0, 0), (self.digital_correlate_access_code_tag_bb_0_0_0_0_0, 0)) self.connect((self.digital_fll_band_edge_cc_0, 0), (self.low_pass_filter_0, 0)) self.connect((self.digital_lms_dd_equalizer_cc_0_0, 0), (self.qtgui_const_sink_x_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_costas_loop_cc_0_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.rms_agc_0, 0)) self.connect((self.lilacsat_codec2_decode_bf_0, 0), (self.blocks_multiply_const_vxx_1, 0)) self.connect((self.lilacsat_codec2_decode_bf_0, 0), (self.qtgui_time_sink_x_0, 0)) self.connect((self.lilacsat_lilacsat1_frame_depack_0, 0), (self.lilacsat_codec2_decode_bf_0, 0)) self.connect((self.lilacsat_vitfilt27_fb_0, 0), (self.blocks_unpack_k_bits_bb_0_0_0, 0)) self.connect((self.lilacsat_vitfilt27_fb_0_0, 0), (self.blocks_unpack_k_bits_bb_0_0_0_1, 0)) self.connect((self.low_pass_filter_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0)) self.connect((self.rational_resampler_xxx_0, 0), (self.audio_sink_0, 0)) self.connect((self.rms_agc_0, 0), (self.digital_fll_band_edge_cc_0, 0))
def __init__(self, bfo=12000, callsign='', ip='::', latitude=0, longitude=0, port=7355, recstart=''): gr.top_block.__init__(self, "BY70-1 decoder") ################################################## # Parameters ################################################## self.bfo = bfo self.callsign = callsign self.ip = ip self.latitude = latitude self.longitude = longitude self.port = port self.recstart = recstart ################################################## # Variables ################################################## self.sps = sps = 5 self.samp_per_sym = samp_per_sym = 5 self.nfilts = nfilts = 16 self.alpha = alpha = 0.35 self.variable_constellation_0_0 = variable_constellation_0_0 = digital.constellation_calcdist(([-1, 1]), ([0, 1]), 2, 1).base() self.variable_constellation_0 = variable_constellation_0 = digital.constellation_calcdist(([-1, 1]), ([0, 1]), 2, 1).base() self.threshold = threshold = 3 self.samp_rate = samp_rate = 48000 self.rrc_taps_0 = rrc_taps_0 = firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(samp_per_sym), 0.35, 11*samp_per_sym*nfilts) self.rrc_taps = rrc_taps = firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), alpha, 11*sps*nfilts) self.nfilts_0 = nfilts_0 = 16 ################################################## # Blocks ################################################## self.sync_to_pdu_0_0 = sync_to_pdu( packlen=(114+32)*8, sync="00011010110011111111110000011101", threshold=threshold, ) self.sync_to_pdu_0 = sync_to_pdu( packlen=(114+32)*8, sync="00011010110011111111110000011101", threshold=threshold, ) self.sids_submit_0 = sids.submit('http://tlm.pe0sat.nl/tlmdb/frame_db.php', 41909, callsign, longitude, latitude, recstart) self.sids_print_timestamp_0 = sids.print_timestamp('%Y-%m-%d %H:%M:%S') self.lilacsat_image_decoder_0 = lilacsat.image_decoder('/tmp', True) self.lilacsat_camera_telemetry_parser_0 = lilacsat.camera_telemetry_parser() self.libfec_decode_rs_0 = libfec.decode_rs(True, 0) self.kiss_kiss_to_pdu_0 = kiss.kiss_to_pdu(False) self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_fcf(1, (firdes.low_pass(1, samp_rate, 10000, 1000)), bfo, samp_rate) self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(sps, 0.05, (rrc_taps), nfilts, nfilts/2, 0.05, 2) self.digital_lms_dd_equalizer_cc_0_0 = digital.lms_dd_equalizer_cc(2, 0.05, 2, variable_constellation_0) self.digital_fll_band_edge_cc_0 = digital.fll_band_edge_cc(sps, 0.350, 100, 0.01) self.digital_diff_decoder_bb_0_0 = digital.diff_decoder_bb(2) self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(2) self.digital_costas_loop_cc_0_0 = digital.costas_loop_cc(0.1, 2, False) self.csp_swap_header_0 = csp.swap_header() self.ccsds_viterbi_0_0 = ccsds_viterbi() self.ccsds_viterbi_0 = ccsds_viterbi() self.ccsds_descrambler_0 = ccsds_descrambler() self.blocks_udp_source_0 = blocks.udp_source(gr.sizeof_short*1, ip, port, 1472, False) self.blocks_short_to_float_0 = blocks.short_to_float(1, 32767) self.blocks_pdu_to_tagged_stream_0 = blocks.pdu_to_tagged_stream(blocks.byte_t, 'packet_len') self.blocks_delay_0 = blocks.delay(gr.sizeof_float*1, 1) self.blocks_complex_to_real_0 = blocks.complex_to_real(1) self.analog_feedforward_agc_cc_0 = analog.feedforward_agc_cc(480, 2) ################################################## # Connections ################################################## self.msg_connect((self.ccsds_descrambler_0, 'out'), (self.libfec_decode_rs_0, 'in')) self.msg_connect((self.csp_swap_header_0, 'out'), (self.lilacsat_camera_telemetry_parser_0, 'in')) self.msg_connect((self.csp_swap_header_0, 'out'), (self.lilacsat_image_decoder_0, 'in')) self.msg_connect((self.kiss_kiss_to_pdu_0, 'out'), (self.sids_print_timestamp_0, 'in')) self.msg_connect((self.kiss_kiss_to_pdu_0, 'out'), (self.sids_submit_0, 'in')) self.msg_connect((self.libfec_decode_rs_0, 'out'), (self.blocks_pdu_to_tagged_stream_0, 'pdus')) self.msg_connect((self.sids_print_timestamp_0, 'out'), (self.csp_swap_header_0, 'in')) self.msg_connect((self.sync_to_pdu_0, 'out'), (self.ccsds_descrambler_0, 'in')) self.msg_connect((self.sync_to_pdu_0_0, 'out'), (self.ccsds_descrambler_0, 'in')) self.connect((self.analog_feedforward_agc_cc_0, 0), (self.digital_fll_band_edge_cc_0, 0)) self.connect((self.blocks_complex_to_real_0, 0), (self.blocks_delay_0, 0)) self.connect((self.blocks_complex_to_real_0, 0), (self.ccsds_viterbi_0, 0)) self.connect((self.blocks_delay_0, 0), (self.ccsds_viterbi_0_0, 0)) self.connect((self.blocks_pdu_to_tagged_stream_0, 0), (self.kiss_kiss_to_pdu_0, 0)) self.connect((self.blocks_short_to_float_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0)) self.connect((self.blocks_udp_source_0, 0), (self.blocks_short_to_float_0, 0)) self.connect((self.ccsds_viterbi_0, 0), (self.digital_diff_decoder_bb_0, 0)) self.connect((self.ccsds_viterbi_0_0, 0), (self.digital_diff_decoder_bb_0_0, 0)) self.connect((self.digital_costas_loop_cc_0_0, 0), (self.digital_lms_dd_equalizer_cc_0_0, 0)) self.connect((self.digital_diff_decoder_bb_0, 0), (self.sync_to_pdu_0, 0)) self.connect((self.digital_diff_decoder_bb_0_0, 0), (self.sync_to_pdu_0_0, 0)) self.connect((self.digital_fll_band_edge_cc_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0)) self.connect((self.digital_lms_dd_equalizer_cc_0_0, 0), (self.blocks_complex_to_real_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_costas_loop_cc_0_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.analog_feedforward_agc_cc_0, 0))
def __init__(self): grc_wxgui.top_block_gui.__init__(self, title="JMPXRDS Receiver (based on gr_rds)") _icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png" self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY)) self._lock = threading.RLock() ################################################## # Variables ################################################## self.volume = volume = -3 self.mpx_samp_rate_0 = mpx_samp_rate_0 = 192000 self.mpx_samp_rate = mpx_samp_rate = 192000 self.audio_samp_rate = audio_samp_rate = 96000 ################################################## # Blocks ################################################## _volume_sizer = wx.BoxSizer(wx.VERTICAL) self._volume_text_box = forms.text_box( parent=self.GetWin(), sizer=_volume_sizer, value=self.volume, callback=self.set_volume, label='Volume', converter=forms.float_converter(), proportion=0, ) self._volume_slider = forms.slider( parent=self.GetWin(), sizer=_volume_sizer, value=self.volume, callback=self.set_volume, minimum=-20, maximum=10, num_steps=300, style=wx.SL_HORIZONTAL, cast=float, proportion=1, ) self.GridAdd(_volume_sizer, 0, 0, 1, 1) self.nb = self.nb = wx.Notebook(self.GetWin(), style=wx.NB_TOP) self.nb.AddPage(grc_wxgui.Panel(self.nb), "MPX Plot") self.nb.AddPage(grc_wxgui.Panel(self.nb), "MPX Waterfall") self.nb.AddPage(grc_wxgui.Panel(self.nb), "L+R") self.nb.AddPage(grc_wxgui.Panel(self.nb), "L-R") self.nb.AddPage(grc_wxgui.Panel(self.nb), "RDS Plot") self.nb.AddPage(grc_wxgui.Panel(self.nb), "RDS Constelation") self.GridAdd(self.nb, 1, 0, 1, 1) self.wxgui_waterfallsink2_0 = waterfallsink2.waterfall_sink_f( self.nb.GetPage(1).GetWin(), baseband_freq=0, dynamic_range=100, ref_level=0, ref_scale=2.0, sample_rate=mpx_samp_rate, fft_size=512, fft_rate=15, average=False, avg_alpha=None, title='MPX Waterfall Plot', ) self.nb.GetPage(1).Add(self.wxgui_waterfallsink2_0.win) self.wxgui_scopesink2_1 = scopesink2.scope_sink_c( self.nb.GetPage(5).GetWin(), title='Scope Plot', sample_rate=mpx_samp_rate / 4, v_scale=0.4, v_offset=0, t_scale=0, ac_couple=False, xy_mode=True, num_inputs=1, trig_mode=wxgui.TRIG_MODE_AUTO, y_axis_label='Counts', ) self.nb.GetPage(5).Add(self.wxgui_scopesink2_1.win) self.wxgui_fftsink2_0_0_1 = fftsink2.fft_sink_c( self.nb.GetPage(0).GetWin(), baseband_freq=0, y_per_div=10, y_divs=10, ref_level=0, ref_scale=2.0, sample_rate=mpx_samp_rate, fft_size=1024, fft_rate=15, average=True, avg_alpha=0.8, title='MPX FFT', peak_hold=False, win=window.flattop, ) self.nb.GetPage(0).Add(self.wxgui_fftsink2_0_0_1.win) self.wxgui_fftsink2_0_0_0_1_0_1 = fftsink2.fft_sink_c( self.nb.GetPage(4).GetWin(), baseband_freq=0, y_per_div=10, y_divs=10, ref_level=0, ref_scale=2.0, sample_rate=mpx_samp_rate/4, fft_size=1024, fft_rate=12, average=False, avg_alpha=None, title='RDS', peak_hold=False, win=window.blackmanharris, ) self.nb.GetPage(4).Add(self.wxgui_fftsink2_0_0_0_1_0_1.win) self.wxgui_fftsink2_0_0_0_1 = fftsink2.fft_sink_f( self.nb.GetPage(3).GetWin(), baseband_freq=0, y_per_div=10, y_divs=10, ref_level=0, ref_scale=2.0, sample_rate=mpx_samp_rate, fft_size=1024, fft_rate=15, average=False, avg_alpha=None, title='L-R', peak_hold=False, win=window.flattop, ) self.nb.GetPage(3).Add(self.wxgui_fftsink2_0_0_0_1.win) self.wxgui_fftsink2_0_0_0 = fftsink2.fft_sink_f( self.nb.GetPage(2).GetWin(), baseband_freq=0, y_per_div=10, y_divs=10, ref_level=0, ref_scale=2.0, sample_rate=mpx_samp_rate, fft_size=1024, fft_rate=15, average=False, avg_alpha=None, title='L+R', peak_hold=False, win=window.flattop, ) self.nb.GetPage(2).Add(self.wxgui_fftsink2_0_0_0.win) self.wxgui_fftsink2_0_0 = fftsink2.fft_sink_f( self.nb.GetPage(0).GetWin(), baseband_freq=0, y_per_div=10, y_divs=10, ref_level=0, ref_scale=2.0, sample_rate=mpx_samp_rate, fft_size=1024, fft_rate=15, average=True, avg_alpha=0.8, title='MPX FFT', peak_hold=False, win=window.flattop, ) self.nb.GetPage(0).Add(self.wxgui_fftsink2_0_0.win) self.root_raised_cosine_filter_0 = filter.fir_filter_ccf(1, firdes.root_raised_cosine( 1, mpx_samp_rate/4, 2375, 1, 100)) self.rational_resampler_xxx_0_0 = filter.rational_resampler_fff( interpolation=audio_samp_rate, decimation=mpx_samp_rate, taps=None, fractional_bw=0.4, ) self.rational_resampler_xxx_0 = filter.rational_resampler_fff( interpolation=audio_samp_rate, decimation=mpx_samp_rate, taps=None, fractional_bw=0.4, ) self.gr_rds_parser_0 = rds.parser(False, False, 0) self.gr_rds_panel_0 = rds.rdsPanel(96700000, self.GetWin()) self.Add(self.gr_rds_panel_0.panel) self.gr_rds_decoder_0 = rds.decoder(False, False) self.freq_xlating_fir_filter_xxx_2 = filter.freq_xlating_fir_filter_fcf(1, (firdes.low_pass(1.0,mpx_samp_rate,17e3,3e3,firdes.WIN_HAMMING)), 38000, mpx_samp_rate) self.freq_xlating_fir_filter_xxx_1 = filter.freq_xlating_fir_filter_fcc(4, (firdes.low_pass(1.0,mpx_samp_rate,2.4e3,2e3,firdes.WIN_HAMMING)), 57e3, mpx_samp_rate) self.fir_filter_xxx_1 = filter.fir_filter_fff(1, (firdes.low_pass(1.0,mpx_samp_rate,17e3,3e3,firdes.WIN_HAMMING))) self.fir_filter_xxx_1.declare_sample_delay(0) self.digital_mpsk_receiver_cc_0 = digital.mpsk_receiver_cc(2, 0, 1*cmath.pi/100.0, -0.06, 0.06, 0.5, 0.05, mpx_samp_rate/4/2375.0, 0.001, 0.005) self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(2) self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb() self.blocks_sub_xx_0 = blocks.sub_ff(1) self.blocks_multiply_const_vxx_0_0 = blocks.multiply_const_vff((10**(1.*(volume)/10), )) self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((10**(1.*(volume)/10), )) self.blocks_keep_one_in_n_0 = blocks.keep_one_in_n(gr.sizeof_char*1, 2) self.blocks_file_source_0 = blocks.file_source(gr.sizeof_float*1, '/tmp/jmpxrds_rtp_client.sock', False) self.blocks_file_source_0.set_begin_tag(pmt.PMT_NIL) self.blocks_complex_to_real_0_0 = blocks.complex_to_real(1) self.blocks_complex_to_real_0 = blocks.complex_to_real(1) self.blocks_add_xx_0 = blocks.add_vff(1) self.audio_sink_0 = audio.sink(audio_samp_rate, '', True) self.analog_frequency_modulator_fc_0 = analog.frequency_modulator_fc(1) self.analog_fm_deemph_0_0_0 = analog.fm_deemph(fs=mpx_samp_rate, tau=50e-6) self.analog_fm_deemph_0_0 = analog.fm_deemph(fs=mpx_samp_rate, tau=50e-6) ################################################## # Connections ################################################## self.msg_connect((self.gr_rds_decoder_0, 'out'), (self.gr_rds_parser_0, 'in')) self.msg_connect((self.gr_rds_parser_0, 'out'), (self.gr_rds_panel_0, 'in')) self.connect((self.analog_fm_deemph_0_0, 0), (self.blocks_multiply_const_vxx_0_0, 0)) self.connect((self.analog_fm_deemph_0_0_0, 0), (self.blocks_multiply_const_vxx_0, 0)) self.connect((self.analog_frequency_modulator_fc_0, 0), (self.wxgui_fftsink2_0_0_1, 0)) self.connect((self.blocks_add_xx_0, 0), (self.analog_fm_deemph_0_0_0, 0)) self.connect((self.blocks_complex_to_real_0, 0), (self.blocks_add_xx_0, 1)) self.connect((self.blocks_complex_to_real_0, 0), (self.blocks_sub_xx_0, 1)) self.connect((self.blocks_complex_to_real_0, 0), (self.wxgui_fftsink2_0_0_0_1, 0)) self.connect((self.blocks_complex_to_real_0_0, 0), (self.digital_binary_slicer_fb_0, 0)) self.connect((self.blocks_file_source_0, 0), (self.analog_frequency_modulator_fc_0, 0)) self.connect((self.blocks_file_source_0, 0), (self.fir_filter_xxx_1, 0)) self.connect((self.blocks_file_source_0, 0), (self.freq_xlating_fir_filter_xxx_1, 0)) self.connect((self.blocks_file_source_0, 0), (self.freq_xlating_fir_filter_xxx_2, 0)) self.connect((self.blocks_file_source_0, 0), (self.wxgui_fftsink2_0_0, 0)) self.connect((self.blocks_file_source_0, 0), (self.wxgui_waterfallsink2_0, 0)) self.connect((self.blocks_keep_one_in_n_0, 0), (self.digital_diff_decoder_bb_0, 0)) self.connect((self.blocks_multiply_const_vxx_0, 0), (self.rational_resampler_xxx_0, 0)) self.connect((self.blocks_multiply_const_vxx_0_0, 0), (self.rational_resampler_xxx_0_0, 0)) self.connect((self.blocks_sub_xx_0, 0), (self.analog_fm_deemph_0_0, 0)) self.connect((self.digital_binary_slicer_fb_0, 0), (self.blocks_keep_one_in_n_0, 0)) self.connect((self.digital_diff_decoder_bb_0, 0), (self.gr_rds_decoder_0, 0)) self.connect((self.digital_mpsk_receiver_cc_0, 0), (self.blocks_complex_to_real_0_0, 0)) self.connect((self.digital_mpsk_receiver_cc_0, 0), (self.wxgui_scopesink2_1, 0)) self.connect((self.fir_filter_xxx_1, 0), (self.blocks_add_xx_0, 0)) self.connect((self.fir_filter_xxx_1, 0), (self.blocks_sub_xx_0, 0)) self.connect((self.fir_filter_xxx_1, 0), (self.wxgui_fftsink2_0_0_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_1, 0), (self.root_raised_cosine_filter_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_1, 0), (self.wxgui_fftsink2_0_0_0_1_0_1, 0)) self.connect((self.freq_xlating_fir_filter_xxx_2, 0), (self.blocks_complex_to_real_0, 0)) self.connect((self.rational_resampler_xxx_0, 0), (self.audio_sink_0, 0)) self.connect((self.rational_resampler_xxx_0_0, 0), (self.audio_sink_0, 1)) self.connect((self.root_raised_cosine_filter_0, 0), (self.digital_mpsk_receiver_cc_0, 0))
def __init__(self, frame, panel, vbox, argv): stdgui2.std_top_block.__init__(self, frame, panel, vbox, argv) parser = OptionParser(option_class=eng_option) parser.add_option("-a", "--args", type="string", default="", help="UHD device address args [default=%default]") parser.add_option("", "--spec", type="string", default=None, help="Subdevice of UHD device where appropriate") parser.add_option("-A", "--antenna", type="string", default=None, help="select Rx Antenna where appropriate") parser.add_option("-f", "--freq", type="eng_float", default=100.1e6, help="set frequency to FREQ", metavar="FREQ") parser.add_option("-g", "--gain", type="eng_float", default=None, help="set gain in dB (default is midpoint)") parser.add_option("-V", "--volume", type="eng_float", default=None, help="set volume (default is midpoint)") parser.add_option( "-O", "--audio-output", type="string", default="default", help="pcm device name. E.g., hw:0,0 or surround51 or /dev/dsp") parser.add_option("", "--freq-min", type="eng_float", default=87.9e6, help="Set a minimum frequency [default=%default]") parser.add_option("", "--freq-max", type="eng_float", default=108.1e6, help="Set a maximum frequency [default=%default]") (options, args) = parser.parse_args() if len(args) != 0: parser.print_help() sys.exit(1) self.frame = frame self.panel = panel self.vol = 0 self.state = "FREQ" self.freq = 0 self.fm_freq_min = options.freq_min self.fm_freq_max = options.freq_max # build graph self.u = uhd.usrp_source(device_addr=options.args, stream_args=uhd.stream_args('fc32')) # Set the subdevice spec if (options.spec): self.u.set_subdev_spec(options.spec, 0) # Set the antenna if (options.antenna): self.u.set_antenna(options.antenna, 0) usrp_rate = 320e3 demod_rate = 320e3 audio_rate = 32e3 sca_demod_rate = 64e3 audio_decim = int(demod_rate / audio_rate) sca_chanfilt_decim = int(demod_rate / sca_demod_rate) self.u.set_samp_rate(usrp_rate) dev_rate = self.u.get_samp_rate() nfilts = 32 chan_coeffs = filter.optfir.low_pass( nfilts, # gain nfilts * usrp_rate, # sampling rate 100e3, # passband cutoff 140e3, # stopband cutoff 0.1, # passband ripple 60) # stopband attenuation rrate = usrp_rate / dev_rate self.chan_filt = filter.pfb.arb_resampler_ccf(rrate, chan_coeffs, nfilts) #Create demodulator block for Main FM Channel max_dev = 75e3 fm_demod_gain = demod_rate / (2 * math.pi * max_dev) self.fm_demod = analog.quadrature_demod_cf(fm_demod_gain) # Note - deemphasis is not applied to the Main FM Channel as # main audio is not decoded # SCA Devation is 10% of carrier but some references say 20% # if mono with one SCA (6 KHz seems typical) max_sca_dev = 6e3 # Create filter to get SCA channel we want sca_chan_coeffs = filter.firdes.low_pass( 1.0, # gain demod_rate, # sampling rate max_sca_dev, # cutoff freq max_sca_dev / 3, # trans. band filter.firdes.WIN_HANN) # filter type self.ddc = filter.freq_xlating_fir_filter_fcf( sca_chanfilt_decim, # decim rate sca_chan_coeffs, # taps 0, # freq translation amount (Gets set by the UI) demod_rate) # input sample rate #Create demodulator block for SCA Channel sca_demod_gain = sca_demod_rate / (2 * math.pi * max_sca_dev) self.fm_demod_sca = analog.quadrature_demod_cf(sca_demod_gain) # SCA analog audio is bandwidth limited to 5 KHz max_sca_audio_freq = 5.0e3 # SCA analog deephasis is 150 uS (75 uS may be used) sca_tau = 150e-6 # compute FIR filter taps for SCA audio filter audio_coeffs = filter.firdes.low_pass( 1.0, # gain sca_demod_rate, # sampling rate max_sca_audio_freq, # cutoff freq max_sca_audio_freq / 2.5, # trans. band filter.firdes.WIN_HAMMING) # input: float; output: float self.audio_filter = filter.fir_filter_fff(audio_decim, audio_coeffs) # Create deemphasis block that is applied after SCA demodulation self.deemph = analog.fm_deemph(audio_rate, sca_tau) self.volume_control = blocks.multiply_const_ff(self.vol) # sound card as final sink self.audio_sink = audio.sink(int(audio_rate), options.audio_output, False) # ok_to_block # now wire it all together self.connect(self.u, self.chan_filt, self.fm_demod, self.ddc, self.fm_demod_sca) self.connect(self.fm_demod_sca, self.audio_filter, self.deemph, self.volume_control, self.audio_sink) self._build_gui(vbox, usrp_rate, demod_rate, sca_demod_rate, audio_rate) if options.gain is None: # if no gain was specified, use the mid-point in dB g = self.u.get_gain_range() options.gain = float(g.start() + g.stop()) / 2 if options.volume is None: g = self.volume_range() options.volume = float(g[0] + g[1]) / 2 frange = self.u.get_freq_range() if (frange.start() > self.fm_freq_max or frange.stop() < self.fm_freq_min): sys.stderr.write( "Radio does not support required frequency range.\n") sys.exit(1) if (options.freq < self.fm_freq_min or options.freq > self.fm_freq_max): sys.stderr.write( "Requested frequency is outside of required frequency range.\n" ) sys.exit(1) # set initial values self.set_gain(options.gain) self.set_vol(options.volume) if not (self.set_freq(options.freq)): self._set_status_msg("Failed to set initial frequency") self.set_sca_freq(67000) # A common SCA Frequency
def __init__(self, options, args): gr.top_block.__init__(self, "RDS Tropo Detector") pubsub.__init__(self) # Retrieve the selected options self.options = options self._verbose = options.verbose # Variables self.freq = 99.5e6 self.samp_rate = 1000000 # TODO FIX : sampling rate self.bb_decim = 4 self.freq_offset = baseband_rate = self.samp_rate/self.bb_decim self.audio_decim = 5 self.xlate_bandwidth = 100000 self.gain = 20 self.freq_tune = self.freq - self.freq_offset # Initialize the device using OsmoSDR library self.src = osmosdr.source(options.args) try: self.src.get_sample_rates().start() except RuntimeError: print "Source has no sample rates (wrong device arguments?)." sys.exit(1) # Set the antenna if(options.antenna): self.src.set_antenna(options.antenna) # Apply the selected settings self.src.set_sample_rate(options.samp_rate) #self.src.set_sample_rate(self.samp_rate) self.src.set_center_freq(self.freq_tune, 0) self.src.set_freq_corr(0, 0) self.src.set_dc_offset_mode(0, 0) self.src.set_iq_balance_mode(0, 0) self.src.set_gain_mode(False, 0) self.src.set_gain(self.gain, 0) self.src.set_if_gain(20, 0) self.src.set_bb_gain(20, 0) self.src.set_antenna("", 0) self.src.set_bandwidth(0, 0) # Blocks self.fir_in = filter.freq_xlating_fir_filter_ccc(1, (firdes.low_pass(1, self.samp_rate, self.xlate_bandwidth, 100000)), self.freq_offset, self.samp_rate) self.fm_demod = analog.wfm_rcv( quad_rate=self.samp_rate, audio_decimation=self.bb_decim, ) self.fir_bb = filter.freq_xlating_fir_filter_fcf( self.audio_decim, (firdes.low_pass(2500.0,baseband_rate,2.4e3,2e3,firdes.WIN_HAMMING)), 57e3, baseband_rate) self.rrc = filter.fir_filter_ccf(1, firdes.root_raised_cosine( 1, self.samp_rate/self.bb_decim/self.audio_decim, 2375, 1, 100)) self.mpsk_demod = digital.mpsk_receiver_cc(2, 0, 1*cmath.pi/100.0, -0.06, 0.06, 0.5, 0.05, self.samp_rate/self.bb_decim/self.audio_decim/ 2375.0, 0.001, 0.005) self.complex_to_real = blocks.complex_to_real(1) self.slicer = digital.binary_slicer_fb() self.skip = blocks.keep_one_in_n(1, 2) self.diff = digital.diff_decoder_bb(2) self.rds_decoder = rds.decoder(False, False) self.rds_parser = rds.parser(False, False, 1) self.rds_pi_extract = rds_pi() # Connections self.connect((self.src, 0), (self.fir_in, 0)) self.connect((self.fir_in, 0), (self.fm_demod, 0)) self.connect((self.fm_demod, 0), (self.fir_bb, 0)) self.connect((self.fir_bb, 0), (self.rrc, 0)) self.connect((self.rrc, 0), (self.mpsk_demod, 0)) self.connect((self.mpsk_demod, 0), (self.complex_to_real, 0)) self.connect((self.complex_to_real, 0), (self.slicer, 0)) self.connect((self.slicer, 0), (self.skip, 0)) self.connect((self.skip, 0), (self.diff, 0)) self.connect((self.diff, 0), (self.rds_decoder, 0)) self.msg_connect((self.rds_decoder, 'out'), (self.rds_parser, 'in')) self.msg_connect((self.rds_parser, 'out'), (self.rds_pi_extract, 'in'))
def __init__(self,frame,panel,vbox,argv): stdgui2.std_top_block.__init__ (self,frame,panel,vbox,argv) parser=OptionParser(option_class=eng_option) parser.add_option("-a", "--args", type="string", default="", help="UHD device address args [default=%default]") parser.add_option("", "--spec", type="string", default=None, help="Subdevice of UHD device where appropriate") parser.add_option("-A", "--antenna", type="string", default=None, help="select Rx Antenna where appropriate") parser.add_option("-f", "--freq", type="eng_float", default=100.1e6, help="set frequency to FREQ", metavar="FREQ") parser.add_option("-g", "--gain", type="eng_float", default=None, help="set gain in dB (default is midpoint)") parser.add_option("-V", "--volume", type="eng_float", default=None, help="set volume (default is midpoint)") parser.add_option("-O", "--audio-output", type="string", default="default", help="pcm device name. E.g., hw:0,0 or surround51 or /dev/dsp") parser.add_option("", "--freq-min", type="eng_float", default=87.9e6, help="Set a minimum frequency [default=%default]") parser.add_option("", "--freq-max", type="eng_float", default=108.1e6, help="Set a maximum frequency [default=%default]") (options, args) = parser.parse_args() if len(args) != 0: parser.print_help() sys.exit(1) self.frame = frame self.panel = panel self.vol = 0 self.state = "FREQ" self.freq = 0 self.fm_freq_min = options.freq_min self.fm_freq_max = options.freq_max # build graph self.u = uhd.usrp_source(device_addr=options.args, stream_args=uhd.stream_args('fc32')) # Set the subdevice spec if(options.spec): self.u.set_subdev_spec(options.spec, 0) # Set the antenna if(options.antenna): self.u.set_antenna(options.antenna, 0) usrp_rate = 320e3 demod_rate = 320e3 audio_rate = 32e3 sca_demod_rate = 64e3 audio_decim = int(demod_rate / audio_rate) sca_chanfilt_decim = int(demod_rate / sca_demod_rate) self.u.set_samp_rate(usrp_rate) dev_rate = self.u.get_samp_rate() nfilts = 32 chan_coeffs = filter.optfir.low_pass(nfilts, # gain nfilts*usrp_rate, # sampling rate 100e3, # passband cutoff 140e3, # stopband cutoff 0.1, # passband ripple 60) # stopband attenuation rrate = usrp_rate / dev_rate self.chan_filt = filter.pfb.arb_resampler_ccf(rrate, chan_coeffs, nfilts) #Create demodulator block for Main FM Channel max_dev = 75e3 fm_demod_gain = demod_rate/(2*math.pi*max_dev) self.fm_demod = analog.quadrature_demod_cf(fm_demod_gain) # Note - deemphasis is not applied to the Main FM Channel as # main audio is not decoded # SCA Devation is 10% of carrier but some references say 20% # if mono with one SCA (6 KHz seems typical) max_sca_dev = 6e3 # Create filter to get SCA channel we want sca_chan_coeffs = filter.firdes.low_pass(1.0, # gain demod_rate, # sampling rate max_sca_dev, # cutoff freq max_sca_dev/3, # trans. band filter.firdes.WIN_HANN) # filter type self.ddc = filter.freq_xlating_fir_filter_fcf(sca_chanfilt_decim, # decim rate sca_chan_coeffs, # taps 0, # freq translation amount (Gets set by the UI) demod_rate) # input sample rate #Create demodulator block for SCA Channel sca_demod_gain = sca_demod_rate/(2*math.pi*max_sca_dev) self.fm_demod_sca = analog.quadrature_demod_cf(sca_demod_gain) # SCA analog audio is bandwidth limited to 5 KHz max_sca_audio_freq = 5.0e3 # SCA analog deephasis is 150 uS (75 uS may be used) sca_tau = 150e-6 # compute FIR filter taps for SCA audio filter audio_coeffs = filter.firdes.low_pass(1.0, # gain sca_demod_rate, # sampling rate max_sca_audio_freq, # cutoff freq max_sca_audio_freq/2.5, # trans. band filter.firdes.WIN_HAMMING) # input: float; output: float self.audio_filter = filter.fir_filter_fff(audio_decim, audio_coeffs) # Create deemphasis block that is applied after SCA demodulation self.deemph = analog.fm_deemph(audio_rate, sca_tau) self.volume_control = blocks.multiply_const_ff(self.vol) # sound card as final sink self.audio_sink = audio.sink(int (audio_rate), options.audio_output, False) # ok_to_block # now wire it all together self.connect(self.u, self.chan_filt, self.fm_demod, self.ddc, self.fm_demod_sca) self.connect(self.fm_demod_sca, self.audio_filter, self.deemph, self.volume_control, self.audio_sink) self._build_gui(vbox, usrp_rate, demod_rate, sca_demod_rate, audio_rate) if options.gain is None: # if no gain was specified, use the mid-point in dB g = self.u.get_gain_range() options.gain = float(g.start()+g.stop())/2 if options.volume is None: g = self.volume_range() options.volume = float(g[0]+g[1])/2 frange = self.u.get_freq_range() if(frange.start() > self.fm_freq_max or frange.stop() < self.fm_freq_min): sys.stderr.write("Radio does not support required frequency range.\n") sys.exit(1) if(options.freq < self.fm_freq_min or options.freq > self.fm_freq_max): sys.stderr.write("Requested frequency is outside of required frequency range.\n") sys.exit(1) # set initial values self.set_gain(options.gain) self.set_vol(options.volume) if not(self.set_freq(options.freq)): self._set_status_msg("Failed to set initial frequency") self.set_sca_freq(67000) # A common SCA Frequency
def __init__(self, bfo=12000, callsign='', invert=1, ip='::', latitude=0, longitude=0, port=7355, recstart=''): gr.top_block.__init__(self, "LilacSat-2 decoder") ################################################## # Parameters ################################################## self.bfo = bfo self.callsign = callsign self.invert = invert self.ip = ip self.latitude = latitude self.longitude = longitude self.port = port self.recstart = recstart ################################################## # Variables ################################################## self.sub_sps = sub_sps = 32 self.sub_nfilts = sub_nfilts = 16 self.sub_alpha = sub_alpha = 0.35 self.sps = sps = 5 self.samp_per_sym = samp_per_sym = 5 self.nfilts = nfilts = 16 self.alpha = alpha = 0.35 self.variable_constellation_0_0 = variable_constellation_0_0 = digital.constellation_calcdist( ([-1, 1]), ([0, 1]), 2, 1).base() self.variable_constellation_0 = variable_constellation_0 = digital.constellation_calcdist( ([-1, 1]), ([0, 1]), 2, 1).base() self.threshold = threshold = 4 self.sub_rrc_taps = sub_rrc_taps = firdes.root_raised_cosine( sub_nfilts, sub_nfilts, 1.0 / float(sub_sps), sub_alpha, 11 * sub_sps * sub_nfilts) self.samp_rate = samp_rate = 48000 self.rrc_taps_0 = rrc_taps_0 = firdes.root_raised_cosine( nfilts, nfilts, 1.0 / float(samp_per_sym), 0.35, 11 * samp_per_sym * nfilts) self.rrc_taps = rrc_taps = firdes.root_raised_cosine( nfilts, nfilts, 1.0 / float(sps), alpha, 11 * sps * nfilts) self.nfilts_0 = nfilts_0 = 16 ################################################## # Blocks ################################################## self.sync_to_pdu_0_1_0 = sync_to_pdu( packlen=(114 + 32) * 8, sync="00011010110011111111110000011101", threshold=threshold, ) self.sync_to_pdu_0_1 = sync_to_pdu( packlen=(114 + 32) * 8, sync="00011010110011111111110000011101", threshold=threshold, ) self.sync_to_pdu_0_0_0 = sync_to_pdu( packlen=(114 + 32) * 8, sync="00011010110011111111110000011101", threshold=threshold, ) self.sync_to_pdu_0_0 = sync_to_pdu( packlen=(114 + 32) * 8, sync="00011010110011111111110000011101", threshold=threshold, ) self.sync_to_pdu_0 = sync_to_pdu( packlen=(114 + 32) * 8, sync="00011010110011111111110000011101", threshold=threshold, ) self.sids_submit_0 = sids.submit( 'http://tlm.pe0sat.nl/tlmdb/frame_db.php', 40908, callsign, longitude, latitude, recstart) self.sids_print_timestamp_0 = sids.print_timestamp('%Y-%m-%d %H:%M:%S') self.low_pass_filter_0 = filter.fir_filter_fff( 5, firdes.low_pass(1, samp_rate, 200, 50, firdes.WIN_HAMMING, 6.76)) self.libfec_decode_rs_0_0_0 = libfec.decode_rs(True, 0) self.libfec_decode_rs_0_0 = libfec.decode_rs(True, 0) self.libfec_decode_rs_0 = libfec.decode_rs(True, 0) self.kiss_kiss_to_pdu_0_1 = kiss.kiss_to_pdu(False) self.kiss_kiss_to_pdu_0_0 = kiss.kiss_to_pdu(False) self.kiss_kiss_to_pdu_0 = kiss.kiss_to_pdu(False) self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_fcf( 1, (firdes.low_pass(1, samp_rate, 10000, 1000)), bfo, samp_rate) self.digital_pfb_clock_sync_xxx_0_0 = digital.pfb_clock_sync_fff( sub_sps, 0.0628, (sub_rrc_taps), sub_nfilts, sub_nfilts / 2, 0.01, 1) self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf( sps, 0.100, (rrc_taps), nfilts, nfilts / 2, 1.5, 2) self.digital_lms_dd_equalizer_cc_0_0 = digital.lms_dd_equalizer_cc( 2, 0.3, 2, variable_constellation_0) self.digital_fll_band_edge_cc_0 = digital.fll_band_edge_cc( sps, 0.350, 100, 0.1) self.digital_diff_decoder_bb_0_0 = digital.diff_decoder_bb(2) self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(2) self.digital_costas_loop_cc_0_0 = digital.costas_loop_cc(0.4, 2, False) self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff( 10, 0.25 * 0.175 * 0.175, 0.5, 0.175, 0.005) self.digital_binary_slicer_fb_1 = digital.binary_slicer_fb() self.dc_blocker_xx_0 = filter.dc_blocker_ff(1024, True) self.ccsds_viterbi_0_1 = ccsds_viterbi() self.ccsds_viterbi_0_0_0 = ccsds_viterbi() self.ccsds_viterbi_0_0 = ccsds_viterbi() self.ccsds_viterbi_0 = ccsds_viterbi() self.ccsds_descrambler_0_0_0 = ccsds_descrambler() self.ccsds_descrambler_0_0 = ccsds_descrambler() self.ccsds_descrambler_0 = ccsds_descrambler() self.blocks_udp_source_0 = blocks.udp_source(gr.sizeof_short * 1, ip, port, 1472, False) self.blocks_short_to_float_0 = blocks.short_to_float(1, 32767) self.blocks_pdu_to_tagged_stream_0_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_0 = blocks.multiply_const_vff( (invert * 10, )) self.blocks_message_debug_0 = blocks.message_debug() self.blocks_delay_0_0_0 = blocks.delay(gr.sizeof_float * 1, 1) self.blocks_delay_0_0 = blocks.delay(gr.sizeof_float * 1, 1) self.blocks_complex_to_real_0 = blocks.complex_to_real(1) self.analog_feedforward_agc_cc_0 = analog.feedforward_agc_cc(1024, 2) ################################################## # Connections ################################################## self.msg_connect((self.ccsds_descrambler_0, 'out'), (self.libfec_decode_rs_0, 'in')) self.msg_connect((self.ccsds_descrambler_0_0, 'out'), (self.libfec_decode_rs_0_0, 'in')) self.msg_connect((self.ccsds_descrambler_0_0_0, 'out'), (self.libfec_decode_rs_0_0_0, 'in')) self.msg_connect((self.kiss_kiss_to_pdu_0, 'out'), (self.sids_print_timestamp_0, 'in')) self.msg_connect((self.kiss_kiss_to_pdu_0, 'out'), (self.sids_submit_0, 'in')) self.msg_connect((self.kiss_kiss_to_pdu_0_0, 'out'), (self.sids_print_timestamp_0, 'in')) self.msg_connect((self.kiss_kiss_to_pdu_0_0, 'out'), (self.sids_submit_0, 'in')) self.msg_connect((self.kiss_kiss_to_pdu_0_1, 'out'), (self.sids_print_timestamp_0, 'in')) self.msg_connect((self.kiss_kiss_to_pdu_0_1, 'out'), (self.sids_submit_0, 'in')) self.msg_connect((self.libfec_decode_rs_0, 'out'), (self.blocks_pdu_to_tagged_stream_0, 'pdus')) self.msg_connect((self.libfec_decode_rs_0_0, 'out'), (self.blocks_pdu_to_tagged_stream_0_0, 'pdus')) self.msg_connect((self.libfec_decode_rs_0_0_0, 'out'), (self.blocks_pdu_to_tagged_stream_0_1, 'pdus')) self.msg_connect((self.sids_print_timestamp_0, 'out'), (self.blocks_message_debug_0, 'print_pdu')) self.msg_connect((self.sync_to_pdu_0, 'out'), (self.ccsds_descrambler_0, 'in')) self.msg_connect((self.sync_to_pdu_0_0, 'out'), (self.ccsds_descrambler_0_0, 'in')) self.msg_connect((self.sync_to_pdu_0_0_0, 'out'), (self.ccsds_descrambler_0_0_0, 'in')) self.msg_connect((self.sync_to_pdu_0_1, 'out'), (self.ccsds_descrambler_0_0, 'in')) self.msg_connect((self.sync_to_pdu_0_1_0, 'out'), (self.ccsds_descrambler_0_0_0, 'in')) self.connect((self.analog_feedforward_agc_cc_0, 0), (self.digital_fll_band_edge_cc_0, 0)) self.connect((self.blocks_complex_to_real_0, 0), (self.blocks_delay_0_0, 0)) self.connect((self.blocks_complex_to_real_0, 0), (self.ccsds_viterbi_0_1, 0)) self.connect((self.blocks_delay_0_0, 0), (self.ccsds_viterbi_0_0_0, 0)) self.connect((self.blocks_delay_0_0_0, 0), (self.ccsds_viterbi_0_0, 0)) self.connect((self.blocks_multiply_const_vxx_0_0, 0), (self.digital_clock_recovery_mm_xx_0, 0)) self.connect((self.blocks_multiply_const_vxx_0_0, 0), (self.low_pass_filter_0, 0)) self.connect((self.blocks_pdu_to_tagged_stream_0, 0), (self.kiss_kiss_to_pdu_0, 0)) self.connect((self.blocks_pdu_to_tagged_stream_0_0, 0), (self.kiss_kiss_to_pdu_0_0, 0)) self.connect((self.blocks_pdu_to_tagged_stream_0_1, 0), (self.kiss_kiss_to_pdu_0_1, 0)) self.connect((self.blocks_short_to_float_0, 0), (self.blocks_multiply_const_vxx_0_0, 0)) self.connect((self.blocks_short_to_float_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0)) self.connect((self.blocks_udp_source_0, 0), (self.blocks_short_to_float_0, 0)) self.connect((self.ccsds_viterbi_0, 0), (self.sync_to_pdu_0_1_0, 0)) self.connect((self.ccsds_viterbi_0_0, 0), (self.sync_to_pdu_0_0_0, 0)) self.connect((self.ccsds_viterbi_0_0_0, 0), (self.digital_diff_decoder_bb_0_0, 0)) self.connect((self.ccsds_viterbi_0_1, 0), (self.digital_diff_decoder_bb_0, 0)) self.connect((self.dc_blocker_xx_0, 0), (self.digital_pfb_clock_sync_xxx_0_0, 0)) self.connect((self.digital_binary_slicer_fb_1, 0), (self.sync_to_pdu_0, 0)) self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.blocks_delay_0_0_0, 0)) self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.ccsds_viterbi_0, 0)) self.connect((self.digital_costas_loop_cc_0_0, 0), (self.digital_lms_dd_equalizer_cc_0_0, 0)) self.connect((self.digital_diff_decoder_bb_0, 0), (self.sync_to_pdu_0_1, 0)) self.connect((self.digital_diff_decoder_bb_0_0, 0), (self.sync_to_pdu_0_0, 0)) self.connect((self.digital_fll_band_edge_cc_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0)) self.connect((self.digital_lms_dd_equalizer_cc_0_0, 0), (self.blocks_complex_to_real_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_costas_loop_cc_0_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0_0, 0), (self.digital_binary_slicer_fb_1, 0)) self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.analog_feedforward_agc_cc_0, 0)) self.connect((self.low_pass_filter_0, 0), (self.dc_blocker_xx_0, 0))
def __init__(self, inc_samp_rate): gr.hier_block2.__init__(self, "fsk_demod", gr.io_signature(1, 1, gr.sizeof_float), # Input signature gr.io_signature(1, 1, gr.sizeof_char) # Output signature ) self.inc_samp_rate = inc_samp_rate self.sps = sps = 4 self.baud_rate = baud_rate = 1200 self.samp_rate = samp_rate = sps * baud_rate * 4 self.mark = mark = 2200 self.space = space = 1200 self.center = center = int((mark + space) / 2) ################################################## # Blocks ################################################## # Stage 1: Force resampling to 19.2ksps self.rational_resampler_xxx_0 = filter.rational_resampler_fff( interpolation=samp_rate, decimation=self.inc_samp_rate, taps=None, fractional_bw=None, ) # Stage 2: Bandpass Filter self.bpf_width = bpf_width = 800 self.bpf_trans = bpf_trans = 200 self.band_pass_filter_0 = filter.fir_filter_fff(1, firdes.band_pass( 1, samp_rate, 1700-bpf_width, 1700+bpf_width, bpf_trans, firdes.WIN_RECTANGULAR, 6.76)) # Stage 3: Tone Detection self.window_len = window_len = self.samp_rate/self.baud_rate*2 self.window = window = signal.windows.cosine(window_len) self.freq_xlating_fir_filter_xxx_0_0 = filter.freq_xlating_fir_filter_fcf(4, (window), mark, samp_rate) self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_fcf(4, (window), space, samp_rate) self.blocks_complex_to_mag_0_0 = blocks.complex_to_mag(1) self.blocks_complex_to_mag_0 = blocks.complex_to_mag(1) # Stage 4: AGC self.decay = decay = 0.00022 self.attack = attack = 0.8 self.bruninga_direwolf_agc_0_0 = bruninga.direwolf_agc(attack, decay) self.bruninga_direwolf_agc_0 = bruninga.direwolf_agc(attack, decay) self.blocks_sub_xx_1 = blocks.sub_ff(1) # Stage 5: Clock Recovery self.gain_mu = gain_mu = 0.45 self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff(self.sps*(1+0.0), 0.25*gain_mu*gain_mu, 0.5, gain_mu, 0.05) # Stage 6: Differential Decoding self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(2) self.blocks_not_xx_0 = blocks.not_bb() self.blocks_and_const_xx_0 = blocks.and_const_bb(1) # Stage 7: Output self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb() ################################################## # Connections ################################################## self.connect((self, 0), (self.rational_resampler_xxx_0, 0)) self.connect((self.rational_resampler_xxx_0, 0), (self.band_pass_filter_0, 0)) self.connect((self.band_pass_filter_0, 0), (self.freq_xlating_fir_filter_xxx_0_0, 0)) self.connect((self.band_pass_filter_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.blocks_complex_to_mag_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_0_0, 0), (self.blocks_complex_to_mag_0_0, 0)) self.connect((self.blocks_complex_to_mag_0, 0), (self.bruninga_direwolf_agc_0, 0)) self.connect((self.blocks_complex_to_mag_0_0, 0), (self.bruninga_direwolf_agc_0_0, 0)) self.connect((self.bruninga_direwolf_agc_0_0, 0), (self.blocks_sub_xx_1, 1)) self.connect((self.bruninga_direwolf_agc_0, 0), (self.blocks_sub_xx_1, 0)) self.connect((self.blocks_sub_xx_1, 0), (self.digital_clock_recovery_mm_xx_0, 0)) self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.digital_binary_slicer_fb_0, 0)) self.connect((self.digital_diff_decoder_bb_0, 0), (self.blocks_not_xx_0, 0)) self.connect((self.blocks_not_xx_0, 0), (self.blocks_and_const_xx_0, 0)) self.connect((self.blocks_and_const_xx_0, 0), (self, 0)) self.connect((self.digital_binary_slicer_fb_0, 0), (self.digital_diff_decoder_bb_0, 0))
def __init__(self): gr.top_block.__init__(self, "Stereo FM receiver and RDS Decoder", catch_exceptions=True) Qt.QWidget.__init__(self) self.setWindowTitle("Stereo FM receiver and RDS Decoder") 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", "rds_rx") try: if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"): self.restoreGeometry( self.settings.value("geometry").toByteArray()) else: self.restoreGeometry(self.settings.value("geometry")) except: pass ################################################## # Variables ################################################## self.freq_offset = freq_offset = 250000 self.freq = freq = 88.5 self.volume = volume = 0 self.samp_rate = samp_rate = 2000000 self.gain = gain = 25 self.freq_tune = freq_tune = freq * 1e6 - freq_offset ################################################## # Blocks ################################################## self._volume_range = Range(-20, 10, 1, 0, 200) self._volume_win = RangeWidget(self._volume_range, self.set_volume, 'Volume', "counter_slider", float, QtCore.Qt.Horizontal) self.top_grid_layout.addWidget(self._volume_win, 1, 0, 1, 1) for r in range(1, 2): self.top_grid_layout.setRowStretch(r, 1) for c in range(0, 1): self.top_grid_layout.setColumnStretch(c, 1) self._gain_range = Range(0, 49.6, 1, 25, 200) self._gain_win = RangeWidget(self._gain_range, self.set_gain, 'RF Gain', "counter_slider", float, QtCore.Qt.Horizontal) self.top_grid_layout.addWidget(self._gain_win, 2, 0, 1, 1) for r in range(2, 3): self.top_grid_layout.setRowStretch(r, 1) for c in range(0, 1): self.top_grid_layout.setColumnStretch(c, 1) self._freq_range = Range(77, 108, 0.1, 88.5, 200) self._freq_win = RangeWidget(self._freq_range, self.set_freq, 'Frequency', "counter_slider", float, QtCore.Qt.Horizontal) self.top_grid_layout.addWidget(self._freq_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.rtlsdr_source_0_0 = osmosdr.source(args="numchan=" + str(1) + " " + '') self.rtlsdr_source_0_0.set_time_unknown_pps(osmosdr.time_spec_t()) self.rtlsdr_source_0_0.set_sample_rate(samp_rate) self.rtlsdr_source_0_0.set_center_freq(freq_tune, 0) self.rtlsdr_source_0_0.set_freq_corr(0, 0) self.rtlsdr_source_0_0.set_dc_offset_mode(0, 0) self.rtlsdr_source_0_0.set_iq_balance_mode(0, 0) self.rtlsdr_source_0_0.set_gain_mode(False, 0) self.rtlsdr_source_0_0.set_gain(14, 0) self.rtlsdr_source_0_0.set_if_gain(24, 0) self.rtlsdr_source_0_0.set_bb_gain(gain, 0) self.rtlsdr_source_0_0.set_antenna('', 0) self.rtlsdr_source_0_0.set_bandwidth(0, 0) self.root_raised_cosine_filter_0 = filter.fir_filter_ccf( 2, firdes.root_raised_cosine(1, 19000, 2375, 1, 100)) self.rds_parser_0 = rds.parser(False, False, 0) self.rds_panel_0 = rds.rdsPanel(freq) self._rds_panel_0_win = self.rds_panel_0 self.top_layout.addWidget(self._rds_panel_0_win) self.rds_decoder_0 = rds.decoder(False, False) self.qtgui_waterfall_sink_x_0 = qtgui.waterfall_sink_f( 1024, #size window.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw "", #name 1, #number of inputs None # parent ) self.qtgui_waterfall_sink_x_0.set_update_time(0.10) self.qtgui_waterfall_sink_x_0.enable_grid(False) self.qtgui_waterfall_sink_x_0.enable_axis_labels(True) 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 range(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(-140, 10) self._qtgui_waterfall_sink_x_0_win = sip.wrapinstance( self.qtgui_waterfall_sink_x_0.pyqwidget(), Qt.QWidget) self.top_layout.addWidget(self._qtgui_waterfall_sink_x_0_win) self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c( 1024, #size window.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw "", #name 1, None # parent ) self.qtgui_freq_sink_x_0.set_update_time(0.10) self.qtgui_freq_sink_x_0.set_y_axis(-140, 10) self.qtgui_freq_sink_x_0.set_y_label('Relative Gain', 'dB') self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "") self.qtgui_freq_sink_x_0.enable_autoscale(False) self.qtgui_freq_sink_x_0.enable_grid(False) self.qtgui_freq_sink_x_0.set_fft_average(1.0) self.qtgui_freq_sink_x_0.enable_axis_labels(True) self.qtgui_freq_sink_x_0.enable_control_panel(False) self.qtgui_freq_sink_x_0.set_fft_window_normalized(False) labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "dark blue" ] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in range(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_layout.addWidget(self._qtgui_freq_sink_x_0_win) self.pfb_arb_resampler_xxx_1 = pfb.arb_resampler_fff(240000.0 / 250000, taps=None, flt_size=32) self.pfb_arb_resampler_xxx_1.declare_sample_delay(0) self.pfb_arb_resampler_xxx_0 = pfb.arb_resampler_ccf(19000 / 250e3, taps=None, flt_size=32) self.pfb_arb_resampler_xxx_0.declare_sample_delay(0) self.freq_xlating_fir_filter_xxx_2 = filter.freq_xlating_fir_filter_fcf( 5, firdes.low_pass(1.0, 240000, 13e3, 3e3), 38000, 240000) self.freq_xlating_fir_filter_xxx_1_0 = filter.freq_xlating_fir_filter_fcc( 1, firdes.low_pass(2500.0, 250000, 2.6e3, 2e3), 57e3, 250000) self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc( 1, firdes.low_pass(1, samp_rate, 80000, 20000), freq_offset, samp_rate) self.fir_filter_xxx_1 = filter.fir_filter_fff( 5, firdes.low_pass(1.0, 240000, 13e3, 3e3)) self.fir_filter_xxx_1.declare_sample_delay(0) self.digital_psk_demod_0 = digital.psk.psk_demod( constellation_points=2, differential=False, samples_per_symbol=4, excess_bw=0.35, phase_bw=6.28 / 100.0, timing_bw=6.28 / 100.0, mod_code="gray", verbose=False, log=False) self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(2) self.blocks_sub_xx_0 = blocks.sub_ff(1) self.blocks_multiply_const_vxx_0_0 = blocks.multiply_const_ff( 10**(1. * (volume) / 10)) self.blocks_multiply_const_vxx_0 = blocks.multiply_const_ff( 10**(1. * (volume) / 10)) self.blocks_keep_one_in_n_0 = blocks.keep_one_in_n( gr.sizeof_char * 1, 2) self.blocks_complex_to_real_0 = blocks.complex_to_real(1) self.blocks_add_xx_0 = blocks.add_vff(1) self.audio_sink_0 = audio.sink(48000, '', True) self.analog_wfm_rcv_0 = analog.wfm_rcv( quad_rate=samp_rate, audio_decimation=8, ) self.analog_fm_deemph_0_0_0 = analog.fm_deemph(fs=48000, tau=75e-6) self.analog_fm_deemph_0_0 = analog.fm_deemph(fs=48000, tau=75e-6) ################################################## # Connections ################################################## self.msg_connect((self.rds_decoder_0, 'out'), (self.rds_parser_0, 'in')) self.msg_connect((self.rds_parser_0, 'out'), (self.rds_panel_0, 'in')) self.connect((self.analog_fm_deemph_0_0, 0), (self.blocks_multiply_const_vxx_0_0, 0)) self.connect((self.analog_fm_deemph_0_0_0, 0), (self.blocks_multiply_const_vxx_0, 0)) self.connect((self.analog_wfm_rcv_0, 0), (self.freq_xlating_fir_filter_xxx_1_0, 0)) self.connect((self.analog_wfm_rcv_0, 0), (self.pfb_arb_resampler_xxx_1, 0)) self.connect((self.analog_wfm_rcv_0, 0), (self.qtgui_waterfall_sink_x_0, 0)) self.connect((self.blocks_add_xx_0, 0), (self.analog_fm_deemph_0_0_0, 0)) self.connect((self.blocks_complex_to_real_0, 0), (self.blocks_add_xx_0, 1)) self.connect((self.blocks_complex_to_real_0, 0), (self.blocks_sub_xx_0, 1)) self.connect((self.blocks_keep_one_in_n_0, 0), (self.digital_diff_decoder_bb_0, 0)) self.connect((self.blocks_multiply_const_vxx_0, 0), (self.audio_sink_0, 0)) self.connect((self.blocks_multiply_const_vxx_0_0, 0), (self.audio_sink_0, 1)) self.connect((self.blocks_sub_xx_0, 0), (self.analog_fm_deemph_0_0, 0)) self.connect((self.digital_diff_decoder_bb_0, 0), (self.rds_decoder_0, 0)) self.connect((self.digital_psk_demod_0, 0), (self.blocks_keep_one_in_n_0, 0)) self.connect((self.fir_filter_xxx_1, 0), (self.blocks_add_xx_0, 0)) self.connect((self.fir_filter_xxx_1, 0), (self.blocks_sub_xx_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.analog_wfm_rcv_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.qtgui_freq_sink_x_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_1_0, 0), (self.pfb_arb_resampler_xxx_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_2, 0), (self.blocks_complex_to_real_0, 0)) self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.root_raised_cosine_filter_0, 0)) self.connect((self.pfb_arb_resampler_xxx_1, 0), (self.fir_filter_xxx_1, 0)) self.connect((self.pfb_arb_resampler_xxx_1, 0), (self.freq_xlating_fir_filter_xxx_2, 0)) self.connect((self.root_raised_cosine_filter_0, 0), (self.digital_psk_demod_0, 0)) self.connect((self.rtlsdr_source_0_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
def __init__(self): gr.top_block.__init__(self, "Pulse Amplitude Modulation") Qt.QWidget.__init__(self) self.setWindowTitle("Pulse Amplitude Modulation") 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", "text_pam") try: if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"): self.restoreGeometry( self.settings.value("geometry").toByteArray()) else: self.restoreGeometry(self.settings.value("geometry")) except: pass ################################################## # Variables ################################################## self.samp_rate = samp_rate = 44100 self.lowF = lowF = 1200 self.highF = highF = 2200 self.baud_rate = baud_rate = 1000 self.sps = sps = int(samp_rate / baud_rate) self.fsk_deviation_hz = fsk_deviation_hz = highF - lowF self.bits_per_symbol = bits_per_symbol = 1 self.tag = tag = gr.tag_utils.python_to_tag( (0, pmt.intern("Z"), pmt.intern("0x5a"), pmt.intern("Vsrc"))) self.samp_dly_fsk = samp_dly_fsk = int(4 * sps) self.samp_dly = samp_dly = int(7.04 * sps) self.ptype = ptype = 'rect' self.polar = polar = 0 self.noise = noise = 0 self.filter_taps = filter_taps = firdes.low_pass( 1.0, samp_rate, fsk_deviation_hz, 400) self.baud_delay_fsk = baud_delay_fsk = 0 self.baud_delay = baud_delay = 0 self.alpha = alpha = 0.2 self.M = M = 2**bits_per_symbol self.An = An = 0 ################################################## # Blocks ################################################## self._samp_dly_fsk_range = Range(0, sps * 8, 1, int(4 * sps), 200) self._samp_dly_fsk_win = RangeWidget(self._samp_dly_fsk_range, self.set_samp_dly_fsk, 'samp_dly_fsk', "counter_slider", int) self.top_grid_layout.addWidget(self._samp_dly_fsk_win) self._samp_dly_range = Range(0, sps * 8, 1, int(7.04 * sps), 200) self._samp_dly_win = RangeWidget(self._samp_dly_range, self.set_samp_dly, 'samp_dly', "counter_slider", int) self.top_grid_layout.addWidget(self._samp_dly_win) # Create the options list self._ptype_options = ["rect", "rcf", "rrcf", "tri", "man", "msin"] # Create the labels list self._ptype_labels = ["rect", "rcf", "rrcf", "tri", "man", "msin"] # Create the combo box self._ptype_tool_bar = Qt.QToolBar(self) self._ptype_tool_bar.addWidget(Qt.QLabel('ptype' + ": ")) self._ptype_combo_box = Qt.QComboBox() self._ptype_tool_bar.addWidget(self._ptype_combo_box) for _label in self._ptype_labels: self._ptype_combo_box.addItem(_label) self._ptype_callback = lambda i: Qt.QMetaObject.invokeMethod( self._ptype_combo_box, "setCurrentIndex", Qt.Q_ARG("int", self._ptype_options.index(i))) self._ptype_callback(self.ptype) self._ptype_combo_box.currentIndexChanged.connect( lambda i: self.set_ptype(self._ptype_options[i])) # Create the radio buttons self.top_grid_layout.addWidget(self._ptype_tool_bar) # Create the options list self._polar_options = ( 0, 1, ) # Create the labels list self._polar_labels = ( 'unipolar', 'polar', ) # Create the combo box self._polar_tool_bar = Qt.QToolBar(self) self._polar_tool_bar.addWidget(Qt.QLabel('polar' + ": ")) self._polar_combo_box = Qt.QComboBox() self._polar_tool_bar.addWidget(self._polar_combo_box) for _label in self._polar_labels: self._polar_combo_box.addItem(_label) self._polar_callback = lambda i: Qt.QMetaObject.invokeMethod( self._polar_combo_box, "setCurrentIndex", Qt.Q_ARG("int", self._polar_options.index(i))) self._polar_callback(self.polar) self._polar_combo_box.currentIndexChanged.connect( lambda i: self.set_polar(self._polar_options[i])) # Create the radio buttons self.top_grid_layout.addWidget(self._polar_tool_bar) self._noise_range = Range(0, 1, 1e-3, 0, 200) self._noise_win = RangeWidget(self._noise_range, self.set_noise, 'noise level in [mV]', "counter_slider", float) self.top_grid_layout.addWidget(self._noise_win) self._lowF_range = Range(1000, 100000, 1, 1200, 200) self._lowF_win = RangeWidget(self._lowF_range, self.set_lowF, 'lowF', "counter_slider", float) self.top_grid_layout.addWidget(self._lowF_win) self._highF_range = Range(1000, 100000, 1, 2200, 200) self._highF_win = RangeWidget(self._highF_range, self.set_highF, 'highF', "counter_slider", float) self.top_grid_layout.addWidget(self._highF_win) self._baud_delay_fsk_range = Range(0, 8, 1, 0, 8) self._baud_delay_fsk_win = RangeWidget(self._baud_delay_fsk_range, self.set_baud_delay_fsk, 'Baud delay FSK', "counter_slider", int) self.top_grid_layout.addWidget(self._baud_delay_fsk_win) self._baud_delay_range = Range(0, 8, 1, 0, 8) self._baud_delay_win = RangeWidget(self._baud_delay_range, self.set_baud_delay, 'Baud delay', "counter_slider", int) self.top_grid_layout.addWidget(self._baud_delay_win) self._alpha_range = Range(0, 1, 0.5, 0.2, 200) self._alpha_win = RangeWidget(self._alpha_range, self.set_alpha, 'alpha', "counter_slider", float) self.top_grid_layout.addWidget(self._alpha_win) self._An_range = Range(0, 1, 0.01, 0, 200) self._An_win = RangeWidget(self._An_range, self.set_An, 'An', "counter_slider", float) self.top_grid_layout.addWidget(self._An_win) self.sym2byte_float2byteMSB_0_0 = sym2byte_float2byteMSB( baud_delay=baud_delay_fsk, bit_endianess=1, bits_per_symbol=bits_per_symbol, bits_to_use_per_byte_mask=255, gain=1, invert=0, polar=polar, ) self.sym2byte_float2byteMSB_0 = sym2byte_float2byteMSB( baud_delay=baud_delay, bit_endianess=1, bits_per_symbol=bits_per_symbol, bits_to_use_per_byte_mask=255, gain=1, invert=0, polar=polar, ) self.qtgui_time_sink_x_1_0 = qtgui.time_sink_f( 1024, #size samp_rate, #samp_rate "", #name 3 #number of inputs ) self.qtgui_time_sink_x_1_0.set_update_time(0.10) self.qtgui_time_sink_x_1_0.set_y_axis(-1, 1) self.qtgui_time_sink_x_1_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_1_0.enable_tags(True) self.qtgui_time_sink_x_1_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_1_0.enable_autoscale(True) self.qtgui_time_sink_x_1_0.enable_grid(False) self.qtgui_time_sink_x_1_0.enable_axis_labels(True) self.qtgui_time_sink_x_1_0.enable_control_panel(True) self.qtgui_time_sink_x_1_0.enable_stem_plot(False) labels = [ 'Signal 1', 'Signal 2', 'Signal 3', 'Signal 4', 'Signal 5', 'Signal 6', 'Signal 7', 'Signal 8', 'Signal 9', 'Signal 10' ] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ 'blue', 'red', 'green', 'black', 'cyan', 'magenta', 'yellow', 'dark red', 'dark green', 'dark blue' ] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] for i in range(3): if len(labels[i]) == 0: self.qtgui_time_sink_x_1_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_time_sink_x_1_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_1_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_1_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_1_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_1_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_1_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_1_0_win = sip.wrapinstance( self.qtgui_time_sink_x_1_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_1_0_win) self.qtgui_time_sink_x_1 = qtgui.time_sink_f( 1024, #size samp_rate, #samp_rate "", #name 4 #number of inputs ) self.qtgui_time_sink_x_1.set_update_time(0.10) self.qtgui_time_sink_x_1.set_y_axis(-1, 1) self.qtgui_time_sink_x_1.set_y_label('Amplitude', "") self.qtgui_time_sink_x_1.enable_tags(True) self.qtgui_time_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_1.enable_autoscale(True) self.qtgui_time_sink_x_1.enable_grid(False) self.qtgui_time_sink_x_1.enable_axis_labels(True) self.qtgui_time_sink_x_1.enable_control_panel(True) self.qtgui_time_sink_x_1.enable_stem_plot(False) labels = [ 'Signal 1', 'Signal 2', 'Signal 3', 'Signal 4', 'Signal 5', 'Signal 6', 'Signal 7', 'Signal 8', 'Signal 9', 'Signal 10' ] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ 'blue', 'red', 'green', 'black', 'cyan', 'magenta', 'yellow', 'dark red', 'dark green', 'dark blue' ] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] for i in range(4): if len(labels[i]) == 0: self.qtgui_time_sink_x_1.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_time_sink_x_1.set_line_label(i, labels[i]) self.qtgui_time_sink_x_1.set_line_width(i, widths[i]) self.qtgui_time_sink_x_1.set_line_color(i, colors[i]) self.qtgui_time_sink_x_1.set_line_style(i, styles[i]) self.qtgui_time_sink_x_1.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_1.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_1_win = sip.wrapinstance( self.qtgui_time_sink_x_1.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_1_win) self.qtgui_time_sink_x_0_0 = qtgui.time_sink_f( 1024, #size samp_rate, #samp_rate "", #name 3 #number of inputs ) self.qtgui_time_sink_x_0_0.set_update_time(0.10) self.qtgui_time_sink_x_0_0.set_y_axis(-1, 1) self.qtgui_time_sink_x_0_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_0_0.enable_tags(True) self.qtgui_time_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_TAG, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "Z") self.qtgui_time_sink_x_0_0.enable_autoscale(False) self.qtgui_time_sink_x_0_0.enable_grid(False) self.qtgui_time_sink_x_0_0.enable_axis_labels(True) self.qtgui_time_sink_x_0_0.enable_control_panel(True) self.qtgui_time_sink_x_0_0.enable_stem_plot(False) labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ 'blue', 'red', 'green', 'black', 'cyan', 'magenta', 'yellow', 'dark red', 'dark green', 'dark blue' ] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [0, -1, -1, -1, -1, -1, -1, -1, -1, -1] for i in range(3): if len(labels[i]) == 0: self.qtgui_time_sink_x_0_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_time_sink_x_0_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_0_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_0_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_0_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_0_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_0_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_0_0_win = sip.wrapinstance( self.qtgui_time_sink_x_0_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_0_win) self.qtgui_time_sink_x_0 = qtgui.time_sink_c( 1024, #size samp_rate, #samp_rate "", #name 2 #number of inputs ) self.qtgui_time_sink_x_0.set_update_time(0.10) self.qtgui_time_sink_x_0.set_y_axis(-1, 1) self.qtgui_time_sink_x_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_0.enable_tags(True) self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_TAG, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "Z") 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(True) self.qtgui_time_sink_x_0.enable_stem_plot(False) labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ 'blue', 'red', 'green', 'black', 'cyan', 'magenta', 'yellow', 'dark red', 'dark green', 'dark blue' ] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [0, -1, -1, -1, -1, -1, -1, -1, -1, -1] for i in range(4): if len(labels[i]) == 0: if (i % 2 == 0): self.qtgui_time_sink_x_0.set_line_label( i, "Re{{Data {0}}}".format(i / 2)) else: self.qtgui_time_sink_x_0.set_line_label( i, "Im{{Data {0}}}".format(i / 2)) else: self.qtgui_time_sink_x_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_0_win = sip.wrapinstance( self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_win) self.qtgui_sink_x_0 = qtgui.sink_f( 1024, #fftsize firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw "", #name True, #plotfreq True, #plotwaterfall True, #plottime True #plotconst ) self.qtgui_sink_x_0.set_update_time(1.0 / 10) self._qtgui_sink_x_0_win = sip.wrapinstance( self.qtgui_sink_x_0.pyqwidget(), Qt.QWidget) self.qtgui_sink_x_0.enable_rf_freq(False) self.top_grid_layout.addWidget(self._qtgui_sink_x_0_win) self.qtgui_number_sink_0 = qtgui.number_sink(gr.sizeof_float, 0, qtgui.NUM_GRAPH_HORIZ, 1) self.qtgui_number_sink_0.set_update_time(0.10) self.qtgui_number_sink_0.set_title("") labels = ['', '', '', '', '', '', '', '', '', ''] units = ['', '', '', '', '', '', '', '', '', ''] colors = [("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black")] factor = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] for i in range(1): self.qtgui_number_sink_0.set_min(i, 0) self.qtgui_number_sink_0.set_max(i, 1) self.qtgui_number_sink_0.set_color(i, colors[i][0], colors[i][1]) if len(labels[i]) == 0: self.qtgui_number_sink_0.set_label(i, "Data {0}".format(i)) else: self.qtgui_number_sink_0.set_label(i, labels[i]) self.qtgui_number_sink_0.set_unit(i, units[i]) self.qtgui_number_sink_0.set_factor(i, factor[i]) self.qtgui_number_sink_0.enable_autoscale(False) self._qtgui_number_sink_0_win = sip.wrapinstance( self.qtgui_number_sink_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_number_sink_0_win) self.qtgui_const_sink_x_0_0_0 = qtgui.const_sink_c( 1024, #size "", #name 1 #number of inputs ) self.qtgui_const_sink_x_0_0_0.set_update_time(0.10) self.qtgui_const_sink_x_0_0_0.set_y_axis(-2, 2) self.qtgui_const_sink_x_0_0_0.set_x_axis(-2, 2) self.qtgui_const_sink_x_0_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.qtgui_const_sink_x_0_0_0.enable_autoscale(False) self.qtgui_const_sink_x_0_0_0.enable_grid(False) self.qtgui_const_sink_x_0_0_0.enable_axis_labels(True) labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "red", "red", "red", "red", "red", "red", "red", "red" ] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in range(1): if len(labels[i]) == 0: self.qtgui_const_sink_x_0_0_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_const_sink_x_0_0_0.set_line_label(i, labels[i]) self.qtgui_const_sink_x_0_0_0.set_line_width(i, widths[i]) self.qtgui_const_sink_x_0_0_0.set_line_color(i, colors[i]) self.qtgui_const_sink_x_0_0_0.set_line_style(i, styles[i]) self.qtgui_const_sink_x_0_0_0.set_line_marker(i, markers[i]) self.qtgui_const_sink_x_0_0_0.set_line_alpha(i, alphas[i]) self._qtgui_const_sink_x_0_0_0_win = sip.wrapinstance( self.qtgui_const_sink_x_0_0_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_0_0_win) self.qtgui_const_sink_x_0_0 = qtgui.const_sink_c( 1024, #size "", #name 1 #number of inputs ) self.qtgui_const_sink_x_0_0.set_update_time(0.10) self.qtgui_const_sink_x_0_0.set_y_axis(-2, 2) self.qtgui_const_sink_x_0_0.set_x_axis(-2, 2) self.qtgui_const_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.qtgui_const_sink_x_0_0.enable_autoscale(False) self.qtgui_const_sink_x_0_0.enable_grid(False) self.qtgui_const_sink_x_0_0.enable_axis_labels(True) labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "red", "red", "red", "red", "red", "red", "red", "red" ] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in range(1): if len(labels[i]) == 0: self.qtgui_const_sink_x_0_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_const_sink_x_0_0.set_line_label(i, labels[i]) self.qtgui_const_sink_x_0_0.set_line_width(i, widths[i]) self.qtgui_const_sink_x_0_0.set_line_color(i, colors[i]) self.qtgui_const_sink_x_0_0.set_line_style(i, styles[i]) self.qtgui_const_sink_x_0_0.set_line_marker(i, markers[i]) self.qtgui_const_sink_x_0_0.set_line_alpha(i, alphas[i]) self._qtgui_const_sink_x_0_0_win = sip.wrapinstance( self.qtgui_const_sink_x_0_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_0_win) self.qtgui_const_sink_x_0 = qtgui.const_sink_c( 1024, #size "", #name 1 #number of inputs ) self.qtgui_const_sink_x_0.set_update_time(0.10) self.qtgui_const_sink_x_0.set_y_axis(-2, 2) self.qtgui_const_sink_x_0.set_x_axis(-2, 2) self.qtgui_const_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.qtgui_const_sink_x_0.enable_autoscale(False) self.qtgui_const_sink_x_0.enable_grid(False) self.qtgui_const_sink_x_0.enable_axis_labels(True) labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "red", "red", "red", "red", "red", "red", "red", "red" ] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in range(1): if len(labels[i]) == 0: self.qtgui_const_sink_x_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_const_sink_x_0.set_line_label(i, labels[i]) self.qtgui_const_sink_x_0.set_line_width(i, widths[i]) self.qtgui_const_sink_x_0.set_line_color(i, colors[i]) self.qtgui_const_sink_x_0.set_line_style(i, styles[i]) self.qtgui_const_sink_x_0.set_line_marker(i, markers[i]) self.qtgui_const_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_const_sink_x_0_win = sip.wrapinstance( self.qtgui_const_sink_x_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_win) self.pamrcvr216_ff_0 = pamrcvr216_ff( a_sps=sps, b_ptype='rect', c_alpha=alpha, d_k=sps / 2, dly=samp_dly_fsk, ) self.pamrcvr216_cc_0 = pamrcvr216_cc( a_sps=sps, b_ptype=ptype, c_alpha=alpha, d_k=sps / 2, dly=samp_dly, ) self.pam_xmtr16_ff_0 = pam_xmtr16_ff( a_sps=sps, b_ptype=ptype, c_alpha=alpha, d_k=sps / 2, ) self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_fcf( 1, filter_taps, (lowF + highF) / 2, samp_rate) self.fec_ber_bf_0 = fec.ber_bf(False, 100, -7.0) self.digital_binary_slicer_fb_0_0 = digital.binary_slicer_fb() self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb() self.channels_channel_model_0 = channels.channel_model( noise_voltage=noise, frequency_offset=0.0, epsilon=1.0, taps=[1.0 + 1.0j], noise_seed=0, block_tags=False) self.byte2sym_byte2floatMSB_0 = byte2sym_byte2floatMSB( bit_endianess=1, bits_per_symbol=bits_per_symbol, bits_to_use_per_byte_mask=255, invert=0, polar=polar, ) self.blocks_vector_source_x_0 = blocks.vector_source_b( list(ord(i) for i in 'Zombie'), True, 1, [tag]) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_float * 1, samp_rate, True) self.blocks_not_xx_0 = blocks.not_bb() self.blocks_multiply_xx_1 = blocks.multiply_vcc(1) self.blocks_multiply_xx_0_0 = blocks.multiply_vff(1) self.blocks_multiply_xx_0 = blocks.multiply_vff(1) self.blocks_float_to_complex_1 = blocks.float_to_complex(1) self.blocks_float_to_complex_0 = blocks.float_to_complex(1) self.blocks_file_sink_0_0 = blocks.file_sink(gr.sizeof_char * 1, '/dev/pts/2', False) self.blocks_file_sink_0_0.set_unbuffered(False) self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_char * 1, '/dev/pts/0', False) self.blocks_file_sink_0.set_unbuffered(False) self.blocks_complex_to_float_0 = blocks.complex_to_float(1) self.blocks_char_to_float_0_0 = blocks.char_to_float(1, 1) self.blocks_char_to_float_0 = blocks.char_to_float(1, 1) self.blocks_add_xx_0_0 = blocks.add_vff(1) self.blocks_add_xx_0 = blocks.add_vff(1) self.blocks_add_const_vxx_0_1 = blocks.add_const_bb(2) self.blocks_add_const_vxx_0_0 = blocks.add_const_ff(-0.5) self.blocks_add_const_vxx_0 = blocks.add_const_ff(0) self._baud_rate_range = Range(0, 8000, 1, 1000, 200) self._baud_rate_win = RangeWidget(self._baud_rate_range, self.set_baud_rate, 'Fb', "counter_slider", int) self.top_grid_layout.addWidget(self._baud_rate_win) self.analog_sig_source_x_1 = analog.sig_source_f( samp_rate, analog.GR_COS_WAVE, lowF, 1, 0, 0) self.analog_sig_source_x_0_0 = analog.sig_source_c( samp_rate, analog.GR_COS_WAVE, highF, 2, 0, 0) self.analog_sig_source_x_0 = analog.sig_source_f( samp_rate, analog.GR_COS_WAVE, highF, 1, 0, 0) self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf( samp_rate / (2 * math.pi * fsk_deviation_hz / 8.0)) self.analog_fastnoise_source_x_0 = analog.fastnoise_source_f( analog.GR_GAUSSIAN, An, 0, 8192) ################################################## # Connections ################################################## self.connect((self.analog_fastnoise_source_x_0, 0), (self.blocks_add_xx_0, 0)) self.connect((self.analog_quadrature_demod_cf_0, 0), (self.digital_binary_slicer_fb_0_0, 0)) self.connect((self.analog_quadrature_demod_cf_0, 0), (self.qtgui_time_sink_x_1_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_1, 1)) self.connect((self.analog_sig_source_x_1, 0), (self.blocks_multiply_xx_0_0, 1)) self.connect((self.blocks_add_const_vxx_0, 0), (self.blocks_multiply_xx_0, 0)) self.connect((self.blocks_add_const_vxx_0_0, 0), (self.digital_binary_slicer_fb_0, 0)) self.connect((self.blocks_add_const_vxx_0_1, 0), (self.blocks_char_to_float_0, 0)) self.connect((self.blocks_add_xx_0, 0), (self.blocks_add_const_vxx_0, 0)) self.connect((self.blocks_add_xx_0, 0), (self.qtgui_sink_x_0, 0)) self.connect((self.blocks_add_xx_0, 0), (self.qtgui_time_sink_x_0_0, 2)) self.connect((self.blocks_add_xx_0, 0), (self.qtgui_time_sink_x_1, 1)) self.connect((self.blocks_add_xx_0, 0), (self.qtgui_time_sink_x_1_0, 2)) self.connect((self.blocks_add_xx_0_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0)) self.connect((self.blocks_add_xx_0_0, 0), (self.qtgui_time_sink_x_1, 0)) self.connect((self.blocks_char_to_float_0, 0), (self.blocks_multiply_xx_0_0, 0)) self.connect((self.blocks_char_to_float_0, 0), (self.qtgui_time_sink_x_1, 2)) self.connect((self.blocks_char_to_float_0_0, 0), (self.pamrcvr216_ff_0, 0)) self.connect((self.blocks_char_to_float_0_0, 0), (self.qtgui_time_sink_x_1, 3)) self.connect((self.blocks_char_to_float_0_0, 0), (self.qtgui_time_sink_x_1_0, 1)) self.connect((self.blocks_complex_to_float_0, 0), (self.sym2byte_float2byteMSB_0, 0)) self.connect((self.blocks_float_to_complex_0, 0), (self.qtgui_const_sink_x_0, 0)) self.connect((self.blocks_float_to_complex_1, 0), (self.channels_channel_model_0, 0)) self.connect((self.blocks_multiply_xx_0, 0), (self.blocks_add_xx_0_0, 0)) self.connect((self.blocks_multiply_xx_0, 0), (self.blocks_throttle_0, 0)) self.connect((self.blocks_multiply_xx_0_0, 0), (self.blocks_add_xx_0_0, 1)) self.connect((self.blocks_multiply_xx_1, 0), (self.pamrcvr216_cc_0, 0)) self.connect((self.blocks_not_xx_0, 0), (self.blocks_add_const_vxx_0_1, 0)) self.connect((self.blocks_throttle_0, 0), (self.blocks_float_to_complex_1, 0)) self.connect((self.blocks_vector_source_x_0, 0), (self.byte2sym_byte2floatMSB_0, 0)) self.connect((self.blocks_vector_source_x_0, 0), (self.fec_ber_bf_0, 0)) self.connect((self.byte2sym_byte2floatMSB_0, 0), (self.pam_xmtr16_ff_0, 0)) self.connect((self.channels_channel_model_0, 0), (self.blocks_multiply_xx_1, 0)) self.connect((self.digital_binary_slicer_fb_0, 0), (self.blocks_not_xx_0, 0)) self.connect((self.digital_binary_slicer_fb_0_0, 0), (self.blocks_char_to_float_0_0, 0)) self.connect((self.fec_ber_bf_0, 0), (self.qtgui_number_sink_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.analog_quadrature_demod_cf_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.qtgui_const_sink_x_0_0_0, 0)) self.connect((self.pam_xmtr16_ff_0, 0), (self.blocks_add_const_vxx_0_0, 0)) self.connect((self.pam_xmtr16_ff_0, 0), (self.blocks_add_xx_0, 1)) self.connect((self.pam_xmtr16_ff_0, 0), (self.blocks_float_to_complex_0, 0)) self.connect((self.pamrcvr216_cc_0, 1), (self.blocks_complex_to_float_0, 0)) self.connect((self.pamrcvr216_cc_0, 1), (self.qtgui_const_sink_x_0_0, 0)) self.connect((self.pamrcvr216_cc_0, 2), (self.qtgui_time_sink_x_0, 1)) self.connect((self.pamrcvr216_cc_0, 0), (self.qtgui_time_sink_x_0, 0)) self.connect((self.pamrcvr216_ff_0, 2), (self.qtgui_time_sink_x_0_0, 1)) self.connect((self.pamrcvr216_ff_0, 0), (self.qtgui_time_sink_x_0_0, 0)) self.connect((self.pamrcvr216_ff_0, 1), (self.sym2byte_float2byteMSB_0_0, 0)) self.connect((self.sym2byte_float2byteMSB_0, 0), (self.blocks_file_sink_0, 0)) self.connect((self.sym2byte_float2byteMSB_0, 0), (self.fec_ber_bf_0, 1)) self.connect((self.sym2byte_float2byteMSB_0_0, 0), (self.blocks_file_sink_0_0, 0))
def __init__(self): grc_wxgui.top_block_gui.__init__( self, title="Stereo FM receiver and RDS Decoder") ################################################## # Variables ################################################## self.freq_offset = freq_offset = 250000 self.freq = freq = 97e6 self.volume = volume = -3 self.samp_rate = samp_rate = 2000000 self.gain = gain = 20 self.freq_tune = freq_tune = freq - freq_offset ################################################## # Blocks ################################################## _volume_sizer = wx.BoxSizer(wx.VERTICAL) self._volume_text_box = forms.text_box( parent=self.GetWin(), sizer=_volume_sizer, value=self.volume, callback=self.set_volume, label='Volume', converter=forms.float_converter(), proportion=0, ) self._volume_slider = forms.slider( parent=self.GetWin(), sizer=_volume_sizer, value=self.volume, callback=self.set_volume, minimum=-20, maximum=10, num_steps=300, style=wx.SL_HORIZONTAL, cast=float, proportion=1, ) self.GridAdd(_volume_sizer, 0, 1, 1, 1) self.nb = self.nb = wx.Notebook(self.GetWin(), style=wx.NB_TOP) self.nb.AddPage(grc_wxgui.Panel(self.nb), "BB") self.nb.AddPage(grc_wxgui.Panel(self.nb), "Demod") self.nb.AddPage(grc_wxgui.Panel(self.nb), "Waterfall") self.nb.AddPage(grc_wxgui.Panel(self.nb), "L+R") self.nb.AddPage(grc_wxgui.Panel(self.nb), "L-R") self.nb.AddPage(grc_wxgui.Panel(self.nb), "RDS") self.nb.AddPage(grc_wxgui.Panel(self.nb), "Const") self.GridAdd(self.nb, 2, 0, 1, 2) _gain_sizer = wx.BoxSizer(wx.VERTICAL) self._gain_text_box = forms.text_box( parent=self.GetWin(), sizer=_gain_sizer, value=self.gain, callback=self.set_gain, label='RF Gain', converter=forms.float_converter(), proportion=0, ) self._gain_slider = forms.slider( parent=self.GetWin(), sizer=_gain_sizer, value=self.gain, callback=self.set_gain, minimum=0, maximum=49.6, num_steps=124, style=wx.SL_HORIZONTAL, cast=float, proportion=1, ) self.GridAdd(_gain_sizer, 0, 0, 1, 1) _freq_sizer = wx.BoxSizer(wx.VERTICAL) self._freq_text_box = forms.text_box( parent=self.GetWin(), sizer=_freq_sizer, value=self.freq, callback=self.set_freq, label='Freq', converter=forms.float_converter(), proportion=0, ) self._freq_slider = forms.slider( parent=self.GetWin(), sizer=_freq_sizer, value=self.freq, callback=self.set_freq, minimum=88e6, maximum=107.9e6, num_steps=200, style=wx.SL_HORIZONTAL, cast=float, proportion=1, ) self.GridAdd(_freq_sizer, 1, 0, 1, 2) self.wxgui_waterfallsink2_0 = waterfallsink2.waterfall_sink_f( self.nb.GetPage(2).GetWin(), baseband_freq=0, dynamic_range=100, ref_level=0, ref_scale=2.0, sample_rate=250000, fft_size=512, fft_rate=15, average=False, avg_alpha=None, title='Waterfall Plot', ) self.nb.GetPage(2).Add(self.wxgui_waterfallsink2_0.win) self.wxgui_scopesink2_1 = scopesink2.scope_sink_c( self.nb.GetPage(6).GetWin(), title='Scope Plot', sample_rate=2375 * 4, v_scale=0.4, v_offset=0, t_scale=0, ac_couple=False, xy_mode=True, num_inputs=1, trig_mode=wxgui.TRIG_MODE_AUTO, y_axis_label='Counts', ) self.nb.GetPage(6).Add(self.wxgui_scopesink2_1.win) self.wxgui_fftsink2_0_0_0_1_0_1 = fftsink2.fft_sink_c( self.nb.GetPage(5).GetWin(), baseband_freq=0, y_per_div=10, y_divs=10, ref_level=0, ref_scale=2.0, sample_rate=19000, fft_size=1024, fft_rate=15, average=False, avg_alpha=None, title='RDS', peak_hold=False, ) self.nb.GetPage(5).Add(self.wxgui_fftsink2_0_0_0_1_0_1.win) self.wxgui_fftsink2_0_0_0_1 = fftsink2.fft_sink_f( self.nb.GetPage(4).GetWin(), baseband_freq=0, y_per_div=10, y_divs=10, ref_level=0, ref_scale=2.0, sample_rate=48000, fft_size=1024, fft_rate=15, average=False, avg_alpha=None, title='L-R', peak_hold=False, ) self.nb.GetPage(4).Add(self.wxgui_fftsink2_0_0_0_1.win) self.wxgui_fftsink2_0_0_0 = fftsink2.fft_sink_f( self.nb.GetPage(3).GetWin(), baseband_freq=0, y_per_div=10, y_divs=10, ref_level=0, ref_scale=2.0, sample_rate=48000, fft_size=1024, fft_rate=15, average=False, avg_alpha=None, title='L+R', peak_hold=False, ) self.nb.GetPage(3).Add(self.wxgui_fftsink2_0_0_0.win) self.wxgui_fftsink2_0_0 = fftsink2.fft_sink_f( self.nb.GetPage(1).GetWin(), baseband_freq=0, y_per_div=10, y_divs=10, ref_level=0, ref_scale=2.0, sample_rate=250000, fft_size=1024, fft_rate=15, average=True, avg_alpha=0.8, title='FM Demod', peak_hold=False, ) self.nb.GetPage(1).Add(self.wxgui_fftsink2_0_0.win) self.wxgui_fftsink2_0 = fftsink2.fft_sink_c( self.nb.GetPage(0).GetWin(), baseband_freq=0, y_per_div=10, y_divs=10, ref_level=-30, ref_scale=2.0, sample_rate=samp_rate, fft_size=1024, fft_rate=15, average=True, avg_alpha=0.8, title='Baseband', peak_hold=False, ) self.nb.GetPage(0).Add(self.wxgui_fftsink2_0.win) self.rtlsdr_source_0_0 = osmosdr.source(args="numchan=" + str(1) + " " + '') self.rtlsdr_source_0_0.set_sample_rate(samp_rate) self.rtlsdr_source_0_0.set_center_freq(freq_tune, 0) self.rtlsdr_source_0_0.set_freq_corr(0, 0) self.rtlsdr_source_0_0.set_dc_offset_mode(0, 0) self.rtlsdr_source_0_0.set_iq_balance_mode(0, 0) self.rtlsdr_source_0_0.set_gain_mode(False, 0) self.rtlsdr_source_0_0.set_gain(14, 0) self.rtlsdr_source_0_0.set_if_gain(24, 0) self.rtlsdr_source_0_0.set_bb_gain(gain, 0) self.rtlsdr_source_0_0.set_antenna('', 0) self.rtlsdr_source_0_0.set_bandwidth(0, 0) self.root_raised_cosine_filter_0 = filter.fir_filter_ccf( 2, firdes.root_raised_cosine(1, 19000, 2375, 1, 100)) self.rftap_rftap_encap_0 = rftap.rftap_encap(3, -1, 'rds') self.pfb_arb_resampler_xxx_1 = pfb.arb_resampler_fff(240000.0 / 250000, taps=None, flt_size=32) self.pfb_arb_resampler_xxx_1.declare_sample_delay(0) self.pfb_arb_resampler_xxx_0 = pfb.arb_resampler_ccf(19000 / 250e3, taps=None, flt_size=32) self.pfb_arb_resampler_xxx_0.declare_sample_delay(0) self.gr_rds_parser_0 = rds.parser(True, False, 0) self.gr_rds_panel_0 = rds.rdsPanel(freq, self.GetWin()) self.Add(self.gr_rds_panel_0.panel) self.gr_rds_decoder_0 = rds.decoder(False, False) self.freq_xlating_fir_filter_xxx_2 = filter.freq_xlating_fir_filter_fcf( 5, (firdes.low_pass(1.0, 240000, 13e3, 3e3, firdes.WIN_HAMMING)), 38000, 240000) self.freq_xlating_fir_filter_xxx_1_0 = filter.freq_xlating_fir_filter_fcc( 1, (firdes.low_pass(2500.0, 250000, 2.6e3, 2e3, firdes.WIN_HAMMING)), 57e3, 250000) self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc( 1, (firdes.low_pass(1, samp_rate, 80000, 20000)), freq_offset, samp_rate) self.fir_filter_xxx_1 = filter.fir_filter_fff( 5, (firdes.low_pass(1.0, 240000, 13e3, 3e3, firdes.WIN_HAMMING))) self.fir_filter_xxx_1.declare_sample_delay(0) self.digital_psk_demod_0 = digital.psk.psk_demod( constellation_points=2, differential=False, samples_per_symbol=4, excess_bw=0.35, phase_bw=6.28 / 100.0, timing_bw=6.28 / 100.0, mod_code="gray", verbose=False, log=False, ) self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(2) self.blocks_sub_xx_0 = blocks.sub_ff(1) self.blocks_socket_pdu_0 = blocks.socket_pdu("UDP_CLIENT", '127.0.0.1', '52001', 10000, False) self.blocks_pdu_set_0 = blocks.pdu_set(pmt.to_pmt("nomfreq"), pmt.to_pmt(freq)) self.blocks_multiply_const_vxx_0_0 = blocks.multiply_const_vff( (10**(1. * (volume) / 10), )) self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff( (10**(1. * (volume) / 10), )) self.blocks_keep_one_in_n_0 = blocks.keep_one_in_n( gr.sizeof_char * 1, 2) self.blocks_complex_to_real_0 = blocks.complex_to_real(1) self.blocks_add_xx_0 = blocks.add_vff(1) self.audio_sink_0 = audio.sink(48000, '', True) self.analog_wfm_rcv_0 = analog.wfm_rcv( quad_rate=samp_rate, audio_decimation=8, ) self.analog_fm_deemph_0_0_0 = analog.fm_deemph(fs=48000, tau=75e-6) self.analog_fm_deemph_0_0 = analog.fm_deemph(fs=48000, tau=75e-6) ################################################## # Connections ################################################## self.msg_connect((self.blocks_pdu_set_0, 'pdus'), (self.rftap_rftap_encap_0, 'in')) self.msg_connect((self.gr_rds_decoder_0, 'out'), (self.blocks_pdu_set_0, 'pdus')) self.msg_connect((self.gr_rds_decoder_0, 'out'), (self.gr_rds_parser_0, 'in')) self.msg_connect((self.gr_rds_parser_0, 'out'), (self.gr_rds_panel_0, 'in')) self.msg_connect((self.rftap_rftap_encap_0, 'out'), (self.blocks_socket_pdu_0, 'pdus')) self.connect((self.analog_fm_deemph_0_0, 0), (self.blocks_multiply_const_vxx_0_0, 0)) self.connect((self.analog_fm_deemph_0_0_0, 0), (self.blocks_multiply_const_vxx_0, 0)) self.connect((self.analog_wfm_rcv_0, 0), (self.freq_xlating_fir_filter_xxx_1_0, 0)) self.connect((self.analog_wfm_rcv_0, 0), (self.pfb_arb_resampler_xxx_1, 0)) self.connect((self.analog_wfm_rcv_0, 0), (self.wxgui_fftsink2_0_0, 0)) self.connect((self.analog_wfm_rcv_0, 0), (self.wxgui_waterfallsink2_0, 0)) self.connect((self.blocks_add_xx_0, 0), (self.analog_fm_deemph_0_0_0, 0)) self.connect((self.blocks_complex_to_real_0, 0), (self.blocks_add_xx_0, 1)) self.connect((self.blocks_complex_to_real_0, 0), (self.blocks_sub_xx_0, 1)) self.connect((self.blocks_complex_to_real_0, 0), (self.wxgui_fftsink2_0_0_0_1, 0)) self.connect((self.blocks_keep_one_in_n_0, 0), (self.digital_diff_decoder_bb_0, 0)) self.connect((self.blocks_multiply_const_vxx_0, 0), (self.audio_sink_0, 0)) self.connect((self.blocks_multiply_const_vxx_0_0, 0), (self.audio_sink_0, 1)) self.connect((self.blocks_sub_xx_0, 0), (self.analog_fm_deemph_0_0, 0)) self.connect((self.digital_diff_decoder_bb_0, 0), (self.gr_rds_decoder_0, 0)) self.connect((self.digital_psk_demod_0, 0), (self.blocks_keep_one_in_n_0, 0)) self.connect((self.fir_filter_xxx_1, 0), (self.blocks_add_xx_0, 0)) self.connect((self.fir_filter_xxx_1, 0), (self.blocks_sub_xx_0, 0)) self.connect((self.fir_filter_xxx_1, 0), (self.wxgui_fftsink2_0_0_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.analog_wfm_rcv_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.wxgui_fftsink2_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_1_0, 0), (self.pfb_arb_resampler_xxx_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_2, 0), (self.blocks_complex_to_real_0, 0)) self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.root_raised_cosine_filter_0, 0)) self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.wxgui_fftsink2_0_0_0_1_0_1, 0)) self.connect((self.pfb_arb_resampler_xxx_1, 0), (self.fir_filter_xxx_1, 0)) self.connect((self.pfb_arb_resampler_xxx_1, 0), (self.freq_xlating_fir_filter_xxx_2, 0)) self.connect((self.root_raised_cosine_filter_0, 0), (self.digital_psk_demod_0, 0)) self.connect((self.root_raised_cosine_filter_0, 0), (self.wxgui_scopesink2_1, 0)) self.connect((self.rtlsdr_source_0_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
def __init__(self): gr.top_block.__init__(self, "Not titled yet") Qt.QWidget.__init__(self) self.setWindowTitle("Not titled yet") qtgui.util.check_set_qss() try: self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc')) except: pass self.top_scroll_layout = Qt.QVBoxLayout() self.setLayout(self.top_scroll_layout) self.top_scroll = Qt.QScrollArea() self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame) self.top_scroll_layout.addWidget(self.top_scroll) self.top_scroll.setWidgetResizable(True) self.top_widget = Qt.QWidget() self.top_scroll.setWidget(self.top_widget) self.top_layout = Qt.QVBoxLayout(self.top_widget) self.top_grid_layout = Qt.QGridLayout() self.top_layout.addLayout(self.top_grid_layout) self.settings = Qt.QSettings("GNU Radio", "fsk") try: if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"): self.restoreGeometry( self.settings.value("geometry").toByteArray()) else: self.restoreGeometry(self.settings.value("geometry")) except: pass ################################################## # Variables ################################################## self.samp_rate = samp_rate = 48000 self.vco_offset = vco_offset = 0.85 self.vco_max = vco_max = 2.5e3 self.sq_lvl = sq_lvl = -70 self.repeat = repeat = (int)(samp_rate * 0.022) self.inp_amp = inp_amp = 0.068 self.fsk_deviation = fsk_deviation = 170 self.delay = delay = 200 self.center = center = 2210 self.baud = baud = 1 / 0.022 ################################################## # Blocks ################################################## self._sq_lvl_range = Range(-100, 0, 5, -70, 200) self._sq_lvl_win = RangeWidget(self._sq_lvl_range, self.set_sq_lvl, 'Squelch', "counter_slider", float) self.top_grid_layout.addWidget(self._sq_lvl_win) self._delay_range = Range(0, 250, 1, 200, 200) self._delay_win = RangeWidget(self._delay_range, self.set_delay, 'Delay', "counter_slider", float) self.top_grid_layout.addWidget(self._delay_win) self.qtgui_time_sink_x_1 = qtgui.time_sink_f( 16384, #size samp_rate, #samp_rate "", #name 3 #number of inputs ) self.qtgui_time_sink_x_1.set_update_time(0.10) self.qtgui_time_sink_x_1.set_y_axis(-1, 1) self.qtgui_time_sink_x_1.set_y_label('Amplitude', "") self.qtgui_time_sink_x_1.enable_tags(True) self.qtgui_time_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_1.enable_autoscale(False) self.qtgui_time_sink_x_1.enable_grid(False) self.qtgui_time_sink_x_1.enable_axis_labels(True) self.qtgui_time_sink_x_1.enable_control_panel(True) self.qtgui_time_sink_x_1.enable_stem_plot(False) labels = [ 'Signal 1', 'Signal 2', 'Signal 3', 'Signal 4', 'Signal 5', 'Signal 6', 'Signal 7', 'Signal 8', 'Signal 9', 'Signal 10' ] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ 'blue', 'red', 'green', 'black', 'cyan', 'magenta', 'yellow', 'dark red', 'dark green', 'dark blue' ] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] for i in range(3): if len(labels[i]) == 0: self.qtgui_time_sink_x_1.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_time_sink_x_1.set_line_label(i, labels[i]) self.qtgui_time_sink_x_1.set_line_width(i, widths[i]) self.qtgui_time_sink_x_1.set_line_color(i, colors[i]) self.qtgui_time_sink_x_1.set_line_style(i, styles[i]) self.qtgui_time_sink_x_1.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_1.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_1_win = sip.wrapinstance( self.qtgui_time_sink_x_1.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_1_win) self.low_pass_filter_0 = filter.fir_filter_fff( 1, firdes.low_pass(1, samp_rate, 200, 1000, firdes.WIN_HAMMING, 6.76)) self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_fcf( 1, firdes.low_pass(1.0, samp_rate, 1000, 400), 2.21e3, samp_rate) self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb() self.blocks_vco_f_0 = blocks.vco_f(samp_rate, 15.708e3, 0.5) self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(8) self.blocks_uchar_to_float_1 = blocks.uchar_to_float() self.blocks_uchar_to_float_0 = blocks.uchar_to_float() self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char * 1, samp_rate, True) self.blocks_sub_xx_0 = blocks.sub_ff(1) self.blocks_repeat_0 = blocks.repeat(gr.sizeof_char * 1, repeat) self.blocks_multiply_const_vxx_0 = blocks.multiply_const_ff(inp_amp) self.blocks_delay_0 = blocks.delay(gr.sizeof_float * 1, delay) self.blocks_add_const_vxx_0 = blocks.add_const_ff(vco_offset) self.analog_simple_squelch_cc_0 = analog.simple_squelch_cc(sq_lvl, 1) self.analog_random_source_x_0 = blocks.vector_source_b( list(map(int, numpy.random.randint(0, 256, 1000))), True) self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf( samp_rate / (2 * math.pi * fsk_deviation / 8.0)) ################################################## # Connections ################################################## self.connect((self.analog_quadrature_demod_cf_0, 0), (self.digital_binary_slicer_fb_0, 0)) self.connect((self.analog_random_source_x_0, 0), (self.blocks_unpack_k_bits_bb_0, 0)) self.connect((self.analog_simple_squelch_cc_0, 0), (self.analog_quadrature_demod_cf_0, 0)) self.connect((self.blocks_add_const_vxx_0, 0), (self.blocks_vco_f_0, 0)) self.connect((self.blocks_delay_0, 0), (self.blocks_sub_xx_0, 1)) self.connect((self.blocks_delay_0, 0), (self.qtgui_time_sink_x_1, 2)) self.connect((self.blocks_multiply_const_vxx_0, 0), (self.blocks_add_const_vxx_0, 0)) self.connect((self.blocks_repeat_0, 0), (self.blocks_throttle_0, 0)) self.connect((self.blocks_sub_xx_0, 0), (self.qtgui_time_sink_x_1, 1)) self.connect((self.blocks_throttle_0, 0), (self.blocks_uchar_to_float_0, 0)) self.connect((self.blocks_uchar_to_float_0, 0), (self.blocks_delay_0, 0)) self.connect((self.blocks_uchar_to_float_0, 0), (self.low_pass_filter_0, 0)) self.connect((self.blocks_uchar_to_float_1, 0), (self.blocks_sub_xx_0, 0)) self.connect((self.blocks_uchar_to_float_1, 0), (self.qtgui_time_sink_x_1, 0)) self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_repeat_0, 0)) self.connect((self.blocks_vco_f_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0)) self.connect((self.digital_binary_slicer_fb_0, 0), (self.blocks_uchar_to_float_1, 0)) self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.analog_simple_squelch_cc_0, 0)) self.connect((self.low_pass_filter_0, 0), (self.blocks_multiply_const_vxx_0, 0))
def __init__(self): grc_wxgui.top_block_gui.__init__( self, title="Stereo FM receiver and RDS Decoder") _icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png" self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY)) ################################################## # Variables ################################################## self.freq_offset = freq_offset = 250000 self.freq = freq = 95.8e6 self.volume = volume = -3 self.samp_rate = samp_rate = 1e6 self.gain = gain = 20 self.freq_tune = freq_tune = freq - freq_offset self.capture_base_freq = capture_base_freq = 88e6 ################################################## # Blocks ################################################## _volume_sizer = wx.BoxSizer(wx.VERTICAL) self._volume_text_box = forms.text_box( parent=self.GetWin(), sizer=_volume_sizer, value=self.volume, callback=self.set_volume, label='Volume', converter=forms.float_converter(), proportion=0, ) self._volume_slider = forms.slider( parent=self.GetWin(), sizer=_volume_sizer, value=self.volume, callback=self.set_volume, minimum=-20, maximum=10, num_steps=300, style=wx.SL_HORIZONTAL, cast=float, proportion=1, ) self.GridAdd(_volume_sizer, 0, 1, 1, 1) self.nb = self.nb = wx.Notebook(self.GetWin(), style=wx.NB_TOP) self.nb.AddPage(grc_wxgui.Panel(self.nb), "BB") self.nb.AddPage(grc_wxgui.Panel(self.nb), "Demod") self.nb.AddPage(grc_wxgui.Panel(self.nb), "Waterfall") self.nb.AddPage(grc_wxgui.Panel(self.nb), "L+R") self.nb.AddPage(grc_wxgui.Panel(self.nb), "L-R") self.nb.AddPage(grc_wxgui.Panel(self.nb), "RDS") self.nb.AddPage(grc_wxgui.Panel(self.nb), "Const") self.nb.AddPage(grc_wxgui.Panel(self.nb), "x") self.nb.AddPage(grc_wxgui.Panel(self.nb), "y") self.GridAdd(self.nb, 2, 0, 1, 2) _freq_sizer = wx.BoxSizer(wx.VERTICAL) self._freq_text_box = forms.text_box( parent=self.GetWin(), sizer=_freq_sizer, value=self.freq, callback=self.set_freq, label='Freq', converter=forms.float_converter(), proportion=0, ) self._freq_slider = forms.slider( parent=self.GetWin(), sizer=_freq_sizer, value=self.freq, callback=self.set_freq, minimum=88e6, maximum=108e6, num_steps=800, style=wx.SL_HORIZONTAL, cast=float, proportion=1, ) self.GridAdd(_freq_sizer, 1, 0, 1, 2) self.wxgui_waterfallsink2_1 = waterfallsink2.waterfall_sink_c( self.nb.GetPage(8).GetWin(), baseband_freq=0, dynamic_range=100, ref_level=0, ref_scale=2.0, sample_rate=samp_rate, fft_size=512, fft_rate=15, average=False, avg_alpha=None, title='Waterfall Plot', ) self.nb.GetPage(8).Add(self.wxgui_waterfallsink2_1.win) self.wxgui_waterfallsink2_0 = waterfallsink2.waterfall_sink_f( self.nb.GetPage(2).GetWin(), baseband_freq=0, dynamic_range=100, ref_level=0, ref_scale=2.0, sample_rate=250000, fft_size=512, fft_rate=15, average=False, avg_alpha=None, title='Waterfall Plot', ) self.nb.GetPage(2).Add(self.wxgui_waterfallsink2_0.win) self.wxgui_scopesink2_1 = scopesink2.scope_sink_c( self.nb.GetPage(6).GetWin(), title='Scope Plot', sample_rate=2375 * 4, v_scale=0.4, v_offset=0, t_scale=0, ac_couple=False, xy_mode=True, num_inputs=1, trig_mode=wxgui.TRIG_MODE_AUTO, y_axis_label='Counts', ) self.nb.GetPage(6).Add(self.wxgui_scopesink2_1.win) self.wxgui_fftsink2_1 = fftsink2.fft_sink_c( self.nb.GetPage(7).GetWin(), baseband_freq=0, y_per_div=10, y_divs=10, ref_level=0, ref_scale=2.0, sample_rate=samp_rate, fft_size=1024, fft_rate=15, average=False, avg_alpha=None, title='FFT Plot', peak_hold=False, ) self.nb.GetPage(7).Add(self.wxgui_fftsink2_1.win) self.wxgui_fftsink2_0_0_0_1_0_1 = fftsink2.fft_sink_c( self.nb.GetPage(5).GetWin(), baseband_freq=0, y_per_div=10, y_divs=10, ref_level=0, ref_scale=2.0, sample_rate=19000, fft_size=1024, fft_rate=15, average=False, avg_alpha=None, title='RDS', peak_hold=False, ) self.nb.GetPage(5).Add(self.wxgui_fftsink2_0_0_0_1_0_1.win) self.wxgui_fftsink2_0_0_0_1 = fftsink2.fft_sink_f( self.nb.GetPage(4).GetWin(), baseband_freq=0, y_per_div=10, y_divs=10, ref_level=0, ref_scale=2.0, sample_rate=48000, fft_size=1024, fft_rate=15, average=False, avg_alpha=None, title='L-R', peak_hold=False, ) self.nb.GetPage(4).Add(self.wxgui_fftsink2_0_0_0_1.win) self.wxgui_fftsink2_0_0_0 = fftsink2.fft_sink_f( self.nb.GetPage(3).GetWin(), baseband_freq=0, y_per_div=10, y_divs=10, ref_level=0, ref_scale=2.0, sample_rate=48000, fft_size=1024, fft_rate=15, average=False, avg_alpha=None, title='L+R', peak_hold=False, ) self.nb.GetPage(3).Add(self.wxgui_fftsink2_0_0_0.win) self.wxgui_fftsink2_0_0 = fftsink2.fft_sink_f( self.nb.GetPage(1).GetWin(), baseband_freq=0, y_per_div=10, y_divs=10, ref_level=0, ref_scale=2.0, sample_rate=250000, fft_size=1024, fft_rate=15, average=True, avg_alpha=0.8, title='FM Demod', peak_hold=False, ) self.nb.GetPage(1).Add(self.wxgui_fftsink2_0_0.win) self.wxgui_fftsink2_0 = fftsink2.fft_sink_c( self.nb.GetPage(0).GetWin(), baseband_freq=0, y_per_div=10, y_divs=10, ref_level=-30, ref_scale=2.0, sample_rate=samp_rate, fft_size=1024, fft_rate=15, average=True, avg_alpha=0.8, title='Baseband', peak_hold=False, ) self.nb.GetPage(0).Add(self.wxgui_fftsink2_0.win) self.root_raised_cosine_filter_0 = filter.fir_filter_ccf( 2, firdes.root_raised_cosine(1, 19000, 2375, .35, 100)) self.pfb_arb_resampler_xxx_1 = pfb.arb_resampler_fff(240000.0 / 250000, taps=None, flt_size=32) self.pfb_arb_resampler_xxx_1.declare_sample_delay(0) self.pfb_arb_resampler_xxx_0 = pfb.arb_resampler_ccf(19000 / 250e3, taps=None, flt_size=32) self.pfb_arb_resampler_xxx_0.declare_sample_delay(0) self.gr_rds_parser_0 = rds.parser(True, False, 0) self.gr_rds_panel_0 = rds.rdsPanel(freq, self.GetWin()) self.Add(self.gr_rds_panel_0.panel) self.gr_rds_decoder_0 = rds.decoder(False, False) _gain_sizer = wx.BoxSizer(wx.VERTICAL) self._gain_text_box = forms.text_box( parent=self.GetWin(), sizer=_gain_sizer, value=self.gain, callback=self.set_gain, label='RF Gain', converter=forms.float_converter(), proportion=0, ) self._gain_slider = forms.slider( parent=self.GetWin(), sizer=_gain_sizer, value=self.gain, callback=self.set_gain, minimum=0, maximum=49.6, num_steps=124, style=wx.SL_HORIZONTAL, cast=float, proportion=1, ) self.GridAdd(_gain_sizer, 0, 0, 1, 1) self.freq_xlating_fir_filter_xxx_2 = filter.freq_xlating_fir_filter_fcf( 5, (firdes.low_pass(1.0, 240000, 13e3, 3e3, firdes.WIN_HAMMING)), 38000, 240000) self.freq_xlating_fir_filter_xxx_1_0 = filter.freq_xlating_fir_filter_fcc( 1, (firdes.low_pass(2500.0, 250000, 2.6e3, 2e3, firdes.WIN_HAMMING)), 57e3, 250000) self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc( 1, (firdes.low_pass(1, samp_rate, 80000, 20000)), freq_offset, samp_rate) self.fir_filter_xxx_1 = filter.fir_filter_fff( 5, (firdes.low_pass(1.0, 240000, 13e3, 3e3, firdes.WIN_HAMMING))) self.fir_filter_xxx_1.declare_sample_delay(0) self.digital_psk_demod_0 = digital.psk.psk_demod( constellation_points=2, differential=False, samples_per_symbol=4, excess_bw=0.35, phase_bw=6.28 / 100.0, timing_bw=6.28 / 100.0, mod_code="gray", verbose=False, log=False, ) self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(2) self.blocks_sub_xx_0 = blocks.sub_ff(1) self.blocks_multiply_xx_0 = blocks.multiply_vcc(1) self.blocks_multiply_const_vxx_0_0 = blocks.multiply_const_vff( (10**(1. * (volume) / 10), )) self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff( (10**(1. * (volume) / 10), )) self.blocks_keep_one_in_n_0 = blocks.keep_one_in_n( gr.sizeof_char * 1, 2) self.blocks_file_source_0 = blocks.file_source( gr.sizeof_gr_complex * 1, '/home/deepstar/Projects/OverTheWire/advent2019/advent2019/steven/northpole-airwaves/northpole-airwaves.wav', True) self.blocks_complex_to_real_0 = blocks.complex_to_real(1) self.blocks_add_xx_0 = blocks.add_vff(1) self.audio_sink_0 = audio.sink(48000, '', True) self.analog_wfm_rcv_0 = analog.wfm_rcv( quad_rate=samp_rate, audio_decimation=int(samp_rate / (250e3)), ) self.analog_sig_source_x_0 = analog.sig_source_c( samp_rate, analog.GR_COS_WAVE, freq - capture_base_freq, 1, 0) self.analog_fm_deemph_0_0_0 = analog.fm_deemph(fs=48000, tau=75e-6) self.analog_fm_deemph_0_0 = analog.fm_deemph(fs=48000, tau=75e-6) ################################################## # Connections ################################################## self.msg_connect((self.gr_rds_decoder_0, 'out'), (self.gr_rds_parser_0, 'in')) self.msg_connect((self.gr_rds_parser_0, 'out'), (self.gr_rds_panel_0, 'in')) self.connect((self.analog_fm_deemph_0_0, 0), (self.blocks_multiply_const_vxx_0_0, 0)) self.connect((self.analog_fm_deemph_0_0_0, 0), (self.blocks_multiply_const_vxx_0, 0)) self.connect((self.analog_sig_source_x_0, 0), (self.blocks_multiply_xx_0, 1)) self.connect((self.analog_wfm_rcv_0, 0), (self.freq_xlating_fir_filter_xxx_1_0, 0)) self.connect((self.analog_wfm_rcv_0, 0), (self.pfb_arb_resampler_xxx_1, 0)) self.connect((self.analog_wfm_rcv_0, 0), (self.wxgui_fftsink2_0_0, 0)) self.connect((self.analog_wfm_rcv_0, 0), (self.wxgui_waterfallsink2_0, 0)) self.connect((self.blocks_add_xx_0, 0), (self.analog_fm_deemph_0_0_0, 0)) self.connect((self.blocks_complex_to_real_0, 0), (self.blocks_add_xx_0, 1)) self.connect((self.blocks_complex_to_real_0, 0), (self.blocks_sub_xx_0, 1)) self.connect((self.blocks_complex_to_real_0, 0), (self.wxgui_fftsink2_0_0_0_1, 0)) self.connect((self.blocks_file_source_0, 0), (self.blocks_multiply_xx_0, 0)) self.connect((self.blocks_keep_one_in_n_0, 0), (self.digital_diff_decoder_bb_0, 0)) self.connect((self.blocks_multiply_const_vxx_0, 0), (self.audio_sink_0, 0)) self.connect((self.blocks_multiply_const_vxx_0_0, 0), (self.audio_sink_0, 1)) self.connect((self.blocks_multiply_xx_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0)) self.connect((self.blocks_multiply_xx_0, 0), (self.wxgui_fftsink2_1, 0)) self.connect((self.blocks_multiply_xx_0, 0), (self.wxgui_waterfallsink2_1, 0)) self.connect((self.blocks_sub_xx_0, 0), (self.analog_fm_deemph_0_0, 0)) self.connect((self.digital_diff_decoder_bb_0, 0), (self.gr_rds_decoder_0, 0)) self.connect((self.digital_psk_demod_0, 0), (self.blocks_keep_one_in_n_0, 0)) self.connect((self.fir_filter_xxx_1, 0), (self.blocks_add_xx_0, 0)) self.connect((self.fir_filter_xxx_1, 0), (self.blocks_sub_xx_0, 0)) self.connect((self.fir_filter_xxx_1, 0), (self.wxgui_fftsink2_0_0_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.analog_wfm_rcv_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.wxgui_fftsink2_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_1_0, 0), (self.pfb_arb_resampler_xxx_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_2, 0), (self.blocks_complex_to_real_0, 0)) self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.root_raised_cosine_filter_0, 0)) self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.wxgui_fftsink2_0_0_0_1_0_1, 0)) self.connect((self.pfb_arb_resampler_xxx_1, 0), (self.fir_filter_xxx_1, 0)) self.connect((self.pfb_arb_resampler_xxx_1, 0), (self.freq_xlating_fir_filter_xxx_2, 0)) self.connect((self.root_raised_cosine_filter_0, 0), (self.digital_psk_demod_0, 0)) self.connect((self.root_raised_cosine_filter_0, 0), (self.wxgui_scopesink2_1, 0))
def __init__(self, bfo=1500, callsign='', ip='::', latitude=0, longitude=0, port=7355, recstart=''): gr.top_block.__init__(self, "Nayif-1 decoder") ################################################## # Parameters ################################################## self.bfo = bfo self.callsign = callsign self.ip = ip self.latitude = latitude self.longitude = longitude self.port = port self.recstart = recstart ################################################## # Variables ################################################## self.sps = sps = 8 self.nfilts = nfilts = 16 self.alpha = alpha = 0.35 self.variable_constellation_0_0 = variable_constellation_0_0 = digital.constellation_calcdist( ([-1, 1]), ([0, 1]), 2, 1).base() self.samp_rate = samp_rate = 48000 self.rrc_taps = rrc_taps = firdes.root_raised_cosine( nfilts, nfilts, 1.0 / float(sps), alpha, 11 * sps * nfilts) ################################################## # Blocks ################################################## self.sids_submit_0 = sids.submit( 'http://tlm.pe0sat.nl/tlmdb/frame_db.php', 42017, callsign, longitude, latitude, recstart) self.sids_print_timestamp_0 = sids.print_timestamp('%Y-%m-%d %H:%M:%S') self.funcube_telemetry_parser_0 = ao40.funcube_telemetry_parser() self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_fcf( 5, (firdes.low_pass(1, samp_rate, 1300, 500)), bfo, samp_rate) self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf( sps, 0.1, (rrc_taps), nfilts, nfilts / 2, 0.05, 1) self.digital_fll_band_edge_cc_0 = digital.fll_band_edge_cc( sps, 0.350, 100, 0.01) self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb() self.blocks_udp_source_0 = blocks.udp_source(gr.sizeof_short * 1, ip, port, 1472, False) self.blocks_short_to_float_0 = blocks.short_to_float(1, 32767) self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((-1, )) self.blocks_multiply_conjugate_cc_0 = blocks.multiply_conjugate_cc(1) self.blocks_delay_0 = blocks.delay(gr.sizeof_gr_complex * 1, 1) self.blocks_complex_to_real_0 = blocks.complex_to_real(1) self.ao40_fec_decoder_0 = ao40_fec_decoder() self.analog_feedforward_agc_cc_0 = analog.feedforward_agc_cc(1024, 2) ################################################## # Connections ################################################## self.msg_connect((self.ao40_fec_decoder_0, 'out'), (self.sids_print_timestamp_0, 'in')) self.msg_connect((self.ao40_fec_decoder_0, 'out'), (self.sids_submit_0, 'in')) self.msg_connect((self.sids_print_timestamp_0, 'out'), (self.funcube_telemetry_parser_0, 'in')) self.connect((self.analog_feedforward_agc_cc_0, 0), (self.digital_fll_band_edge_cc_0, 0)) self.connect((self.blocks_complex_to_real_0, 0), (self.blocks_multiply_const_vxx_0, 0)) self.connect((self.blocks_delay_0, 0), (self.blocks_multiply_conjugate_cc_0, 1)) self.connect((self.blocks_multiply_conjugate_cc_0, 0), (self.blocks_complex_to_real_0, 0)) self.connect((self.blocks_multiply_const_vxx_0, 0), (self.digital_binary_slicer_fb_0, 0)) self.connect((self.blocks_short_to_float_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0)) self.connect((self.blocks_udp_source_0, 0), (self.blocks_short_to_float_0, 0)) self.connect((self.digital_binary_slicer_fb_0, 0), (self.ao40_fec_decoder_0, 0)) self.connect((self.digital_fll_band_edge_cc_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.blocks_delay_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.blocks_multiply_conjugate_cc_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.analog_feedforward_agc_cc_0, 0))
def __init__(self): gr.top_block.__init__(self, "AM_receive") Qt.QWidget.__init__(self) self.setWindowTitle("AM_receive") 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", "am_receive") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Variables ################################################## self.volume = volume = 300e-3 self.samp_rate = samp_rate = 1e6 self.decim = decim = 8 ################################################## # Blocks ################################################## self._volume_range = Range(0, 1, 50e-3, 300e-3, 200) self._volume_win = RangeWidget(self._volume_range, self.set_volume, "volume", "counter_slider", float) self.top_layout.addWidget(self._volume_win) self.zeromq_sub_source_0 = zeromq.sub_source(gr.sizeof_float, 1, "tcp://127.0.0.1:50001", 100, False, -1) self.qtgui_time_sink_x_0 = qtgui.time_sink_f( 256, #size int(samp_rate/decim), #samp_rate "", #name 1 #number of inputs ) self.qtgui_time_sink_x_0.set_update_time(0.10) self.qtgui_time_sink_x_0.set_y_axis(-1, 1) self.qtgui_time_sink_x_0.set_y_label("Amplitude", "") self.qtgui_time_sink_x_0.enable_tags(-1, True) self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_0.enable_autoscale(False) self.qtgui_time_sink_x_0.enable_grid(False) self.qtgui_time_sink_x_0.enable_control_panel(False) if not True: self.qtgui_time_sink_x_0.disable_legend() labels = ["", "", "", "", "", "", "", "", "", ""] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "blue"] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.qtgui_time_sink_x_0.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_time_sink_x_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget) self.top_layout.addWidget(self._qtgui_time_sink_x_0_win) self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_fcf(decim, (firdes.low_pass(1,samp_rate, (samp_rate/(2*decim)), 2000)), 48e3, samp_rate) self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((volume, )) self.blocks_complex_to_mag_0 = blocks.complex_to_mag(1) self.band_pass_filter_0 = filter.fir_filter_fff(1, firdes.band_pass( 1, samp_rate/decim, 500, 6000, 400, firdes.WIN_HAMMING, 6.76)) self.audio_sink_0 = audio.sink(48000, "", True) self.analog_agc_xx_0 = analog.agc_cc(625e-6, 1.0, 1.0) self.analog_agc_xx_0.set_max_gain(65536) ################################################## # Connections ################################################## self.connect((self.analog_agc_xx_0, 0), (self.blocks_complex_to_mag_0, 0)) self.connect((self.band_pass_filter_0, 0), (self.audio_sink_0, 0)) self.connect((self.band_pass_filter_0, 0), (self.blocks_multiply_const_vxx_0, 0)) self.connect((self.blocks_complex_to_mag_0, 0), (self.band_pass_filter_0, 0)) self.connect((self.blocks_multiply_const_vxx_0, 0), (self.qtgui_time_sink_x_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.analog_agc_xx_0, 0)) self.connect((self.zeromq_sub_source_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
def __init__(self, hdr_format=digital.header_format_default( digital.packet_utils.default_access_code, 0)): gr.top_block.__init__(self, "BFSK") Qt.QWidget.__init__(self) self.setWindowTitle("BFSK") qtgui.util.check_set_qss() try: self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc')) except: pass self.top_scroll_layout = Qt.QVBoxLayout() self.setLayout(self.top_scroll_layout) self.top_scroll = Qt.QScrollArea() self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame) self.top_scroll_layout.addWidget(self.top_scroll) self.top_scroll.setWidgetResizable(True) self.top_widget = Qt.QWidget() self.top_scroll.setWidget(self.top_widget) self.top_layout = Qt.QVBoxLayout(self.top_widget) self.top_grid_layout = Qt.QGridLayout() self.top_layout.addLayout(self.top_grid_layout) self.settings = Qt.QSettings("GNU Radio", "top_block") try: if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"): self.restoreGeometry( self.settings.value("geometry").toByteArray()) else: self.restoreGeometry(self.settings.value("geometry")) except: pass ################################################## # Parameters ################################################## self.hdr_format = hdr_format ################################################## # Variables ################################################## self.freq_symbol_1 = freq_symbol_1 = 10584 self.freq_symbol_0 = freq_symbol_0 = 8820 self.samp_rate = samp_rate = 44.1e3 self.fsk_deviation_hz = fsk_deviation_hz = freq_symbol_1 - freq_symbol_0 self.filter_taps = filter_taps = firdes.low_pass( 1.0, samp_rate, fsk_deviation_hz, 400) self.SPS = SPS = 200 ################################################## # Blocks ################################################## self.qtgui_time_sink_x_0 = qtgui.time_sink_f( 1024, #size samp_rate, #samp_rate "", #name 1 #number of inputs ) self.qtgui_time_sink_x_0.set_update_time(0.10) self.qtgui_time_sink_x_0.set_y_axis(-1, 1) self.qtgui_time_sink_x_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_0.enable_tags(True) self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_0.enable_autoscale(False) self.qtgui_time_sink_x_0.enable_grid(False) self.qtgui_time_sink_x_0.enable_axis_labels(True) self.qtgui_time_sink_x_0.enable_control_panel(False) self.qtgui_time_sink_x_0.enable_stem_plot(False) labels = [ 'Signal 1', 'Signal 2', 'Signal 3', 'Signal 4', 'Signal 5', 'Signal 6', 'Signal 7', 'Signal 8', 'Signal 9', 'Signal 10' ] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ 'blue', 'red', 'green', 'black', 'cyan', 'magenta', 'yellow', 'dark red', 'dark green', 'dark blue' ] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] for i in range(1): if len(labels[i]) == 0: self.qtgui_time_sink_x_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_time_sink_x_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_0_win = sip.wrapinstance( self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_win) self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_fcf( 1, filter_taps, (freq_symbol_1 + freq_symbol_0) / 2, samp_rate) self.digital_protocol_formatter_bb_0 = digital.protocol_formatter_bb( hdr_format, 'len_key') self.digital_correlate_access_code_xx_ts_1_0_0 = digital.correlate_access_code_bb_ts( digital.packet_utils.default_access_code, 6, 'len_key2') self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff( SPS, 0.25 * 0.175 * 0.175, 0.5, 0.175, 0.005) self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb() self.blocks_vector_source_x_0 = blocks.vector_source_b((1, 0), True, 1, []) self.blocks_tagged_stream_to_pdu_0_0_0_0_0 = blocks.tagged_stream_to_pdu( blocks.byte_t, 'len_key2') self.blocks_tagged_stream_mux_1 = blocks.tagged_stream_mux( gr.sizeof_char * 1, 'len_key', 0) self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux( gr.sizeof_char * 1, 'len_key', 0) self.blocks_stream_to_tagged_stream_1 = blocks.stream_to_tagged_stream( gr.sizeof_char, 1, 147, 'len_key') self.blocks_stream_to_tagged_stream_0_0 = blocks.stream_to_tagged_stream( gr.sizeof_char, 1, 100, 'len_key') self.blocks_repeat_0 = blocks.repeat(gr.sizeof_float * 1, SPS) self.blocks_repack_bits_bb_0_0_0_0 = blocks.repack_bits_bb( 1, 8, 'len_key2', False, gr.GR_MSB_FIRST) self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb( 8, 1, 'len_key', False, gr.GR_MSB_FIRST) self.blocks_not_xx_0 = blocks.not_bb() self.blocks_multiply_xx_1 = blocks.multiply_vff(1) self.blocks_multiply_xx_0 = blocks.multiply_vff(1) self.blocks_multiply_const_vxx_0 = blocks.multiply_const_ff(0.6) self.blocks_message_debug_0_0_0_0_0 = blocks.message_debug() self.blocks_float_to_char_0 = blocks.float_to_char(1, 1) self.blocks_file_source_0 = blocks.file_source( gr.sizeof_char * 1, '/home/peter/Desktop/acoustic_radio/Testings/test_input.txt', True, 0, 0) self.blocks_file_source_0.set_begin_tag(pmt.PMT_NIL) self.blocks_file_sink_0 = blocks.file_sink( gr.sizeof_char * 1, '/home/peter/Desktop/output.txt', False) self.blocks_file_sink_0.set_unbuffered(True) self.blocks_char_to_float_2 = blocks.char_to_float(1, 1) self.blocks_char_to_float_1 = blocks.char_to_float(1, 1) self.blocks_add_xx_0 = blocks.add_vff(1) self.blocks_add_const_vxx_0 = blocks.add_const_ff(2) self.band_pass_filter_0_0 = filter.fir_filter_fff( 1, firdes.band_pass(1, samp_rate, freq_symbol_1 - 100, freq_symbol_1 + 100, 100, firdes.WIN_HAMMING, 6.76)) self.band_pass_filter_0 = filter.fir_filter_fff( 1, firdes.band_pass(1, samp_rate, freq_symbol_0 - 100, freq_symbol_0 + 100, 100, firdes.WIN_HAMMING, 6.76)) self.audio_source_0 = audio.source(44100, '', True) self.audio_sink_0 = audio.sink(44100, '', True) self.analog_sig_source_x_1 = analog.sig_source_f( samp_rate, analog.GR_COS_WAVE, freq_symbol_1, 1, 0, 0) self.analog_sig_source_x_0 = analog.sig_source_f( samp_rate, analog.GR_COS_WAVE, freq_symbol_0, 1, 0, 0) self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf( samp_rate / (2 * math.pi * fsk_deviation_hz / 8.0)) ################################################## # Connections ################################################## self.msg_connect((self.blocks_tagged_stream_to_pdu_0_0_0_0_0, 'pdus'), (self.blocks_message_debug_0_0_0_0_0, 'print')) self.connect((self.analog_quadrature_demod_cf_0, 0), (self.digital_clock_recovery_mm_xx_0, 0)) self.connect((self.analog_sig_source_x_0, 0), (self.blocks_multiply_xx_0, 1)) self.connect((self.analog_sig_source_x_1, 0), (self.blocks_multiply_xx_1, 0)) self.connect((self.audio_source_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0)) self.connect((self.band_pass_filter_0, 0), (self.blocks_add_xx_0, 0)) self.connect((self.band_pass_filter_0_0, 0), (self.blocks_add_xx_0, 1)) self.connect((self.blocks_add_const_vxx_0, 0), (self.blocks_multiply_xx_0, 0)) self.connect((self.blocks_add_xx_0, 0), (self.blocks_multiply_const_vxx_0, 0)) self.connect((self.blocks_char_to_float_1, 0), (self.blocks_repeat_0, 0)) self.connect((self.blocks_char_to_float_2, 0), (self.blocks_add_const_vxx_0, 0)) self.connect((self.blocks_file_source_0, 0), (self.blocks_stream_to_tagged_stream_1, 0)) self.connect((self.blocks_float_to_char_0, 0), (self.blocks_not_xx_0, 0)) self.connect((self.blocks_multiply_const_vxx_0, 0), (self.audio_sink_0, 0)) self.connect((self.blocks_multiply_const_vxx_0, 0), (self.qtgui_time_sink_x_0, 0)) self.connect((self.blocks_multiply_xx_0, 0), (self.band_pass_filter_0, 0)) self.connect((self.blocks_multiply_xx_1, 0), (self.band_pass_filter_0_0, 0)) self.connect((self.blocks_not_xx_0, 0), (self.blocks_char_to_float_2, 0)) self.connect((self.blocks_repack_bits_bb_0, 0), (self.blocks_tagged_stream_mux_1, 1)) self.connect((self.blocks_repack_bits_bb_0_0_0_0, 0), (self.blocks_file_sink_0, 0)) self.connect((self.blocks_repack_bits_bb_0_0_0_0, 0), (self.blocks_tagged_stream_to_pdu_0_0_0_0_0, 0)) self.connect((self.blocks_repeat_0, 0), (self.blocks_float_to_char_0, 0)) self.connect((self.blocks_repeat_0, 0), (self.blocks_multiply_xx_1, 1)) self.connect((self.blocks_stream_to_tagged_stream_0_0, 0), (self.blocks_tagged_stream_mux_1, 0)) self.connect((self.blocks_stream_to_tagged_stream_1, 0), (self.blocks_tagged_stream_mux_0, 1)) self.connect((self.blocks_stream_to_tagged_stream_1, 0), (self.digital_protocol_formatter_bb_0, 0)) self.connect((self.blocks_tagged_stream_mux_0, 0), (self.blocks_repack_bits_bb_0, 0)) self.connect((self.blocks_tagged_stream_mux_1, 0), (self.blocks_char_to_float_1, 0)) self.connect((self.blocks_vector_source_x_0, 0), (self.blocks_stream_to_tagged_stream_0_0, 0)) self.connect((self.digital_binary_slicer_fb_0, 0), (self.digital_correlate_access_code_xx_ts_1_0_0, 0)) self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.digital_binary_slicer_fb_0, 0)) self.connect((self.digital_correlate_access_code_xx_ts_1_0_0, 0), (self.blocks_repack_bits_bb_0_0_0_0, 0)) self.connect((self.digital_protocol_formatter_bb_0, 0), (self.blocks_tagged_stream_mux_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.analog_quadrature_demod_cf_0, 0))
def __init__(self): gr.top_block.__init__(self, "RTTY_receive", catch_exceptions=True) Qt.QWidget.__init__(self) self.setWindowTitle("RTTY_receive") 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", "RTTY_receive") try: if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"): self.restoreGeometry( self.settings.value("geometry").toByteArray()) else: self.restoreGeometry(self.settings.value("geometry")) except: pass ################################################## # Variables ################################################## self.sq_lvl = sq_lvl = -70 self.samp_rate = samp_rate = 48000 self.reverse = reverse = 1 self.fsk_deviation = fsk_deviation = 170 self.decim = decim = 50 self.center = center = 2210 self.baud = baud = 1 / 0.022 ################################################## # Blocks ################################################## self._sq_lvl_range = Range(-100, 0, 5, -70, 200) self._sq_lvl_win = RangeWidget(self._sq_lvl_range, self.set_sq_lvl, 'Squelch', "counter_slider", float, QtCore.Qt.Horizontal) self.top_grid_layout.addWidget(self._sq_lvl_win) # Create the options list self._reverse_options = ( 1, -1, ) # Create the labels list self._reverse_labels = ( 'Normal', 'Reverse', ) # Create the combo box # Create the radio buttons self._reverse_group_box = Qt.QGroupBox('reverse' + ": ") self._reverse_box = Qt.QVBoxLayout() class variable_chooser_button_group(Qt.QButtonGroup): def __init__(self, parent=None): Qt.QButtonGroup.__init__(self, parent) @pyqtSlot(int) def updateButtonChecked(self, button_id): self.button(button_id).setChecked(True) self._reverse_button_group = variable_chooser_button_group() self._reverse_group_box.setLayout(self._reverse_box) for i, _label in enumerate(self._reverse_labels): radio_button = Qt.QRadioButton(_label) self._reverse_box.addWidget(radio_button) self._reverse_button_group.addButton(radio_button, i) self._reverse_callback = lambda i: Qt.QMetaObject.invokeMethod( self._reverse_button_group, "updateButtonChecked", Qt.Q_ARG("int", self._reverse_options.index(i))) self._reverse_callback(self.reverse) self._reverse_button_group.buttonClicked[int].connect( lambda i: self.set_reverse(self._reverse_options[i])) self.top_grid_layout.addWidget(self._reverse_group_box) self.zeromq_push_msg_sink_0 = zeromq.push_msg_sink( 'tcp://127.0.0.1:50252', 100, True) self.rational_resampler_xxx_0_0 = filter.rational_resampler_fff( interpolation=500, decimation=960, taps=None, fractional_bw=None) self.qtgui_time_sink_x_0 = qtgui.time_sink_f( 128, #size 960, #samp_rate "", #name 1, #number of inputs None # parent ) self.qtgui_time_sink_x_0.set_update_time(0.10) self.qtgui_time_sink_x_0.set_y_axis(0, 1) self.qtgui_time_sink_x_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_0.enable_tags(True) self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_NORM, qtgui.TRIG_SLOPE_NEG, 0.5, 0, 0, "") self.qtgui_time_sink_x_0.enable_autoscale(False) self.qtgui_time_sink_x_0.enable_grid(False) self.qtgui_time_sink_x_0.enable_axis_labels(True) self.qtgui_time_sink_x_0.enable_control_panel(False) self.qtgui_time_sink_x_0.enable_stem_plot(False) labels = [ 'Signal 1', 'Signal 2', 'Signal 3', 'Signal 4', 'Signal 5', 'Signal 6', 'Signal 7', 'Signal 8', 'Signal 9', 'Signal 10' ] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ 'blue', 'red', 'green', 'black', 'cyan', 'magenta', 'yellow', 'dark red', 'dark green', 'dark blue' ] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] for i in range(1): if len(labels[i]) == 0: self.qtgui_time_sink_x_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_time_sink_x_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_0_win = sip.wrapinstance( self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_win) self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype center, #fc 1024, #bw "", #name 1, None # parent ) self.qtgui_freq_sink_x_0.set_update_time(0.05) self.qtgui_freq_sink_x_0.set_y_axis(-140, 10) self.qtgui_freq_sink_x_0.set_y_label('Relative Gain', 'dB') self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "") self.qtgui_freq_sink_x_0.enable_autoscale(False) self.qtgui_freq_sink_x_0.enable_grid(False) self.qtgui_freq_sink_x_0.set_fft_average(1.0) self.qtgui_freq_sink_x_0.enable_axis_labels(True) self.qtgui_freq_sink_x_0.enable_control_panel(False) self.qtgui_freq_sink_x_0.set_fft_window_normalized(False) labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "dark blue" ] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in range(1): if len(labels[i]) == 0: self.qtgui_freq_sink_x_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_freq_sink_x_0.set_line_label(i, labels[i]) self.qtgui_freq_sink_x_0.set_line_width(i, widths[i]) self.qtgui_freq_sink_x_0.set_line_color(i, colors[i]) self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_freq_sink_x_0_win = sip.wrapinstance( self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win) self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_fcf( 50, firdes.low_pass(1.0, samp_rate, 1000, 400), center, samp_rate) self.epy_block_0 = epy_block_0.my_sync_block() self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb() self.blocks_multiply_const_vxx_0 = blocks.multiply_const_ff(reverse) self.audio_source_0 = audio.source(samp_rate, '', True) self.analog_simple_squelch_cc_0 = analog.simple_squelch_cc(sq_lvl, 1) self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(1.0) ################################################## # Connections ################################################## self.msg_connect((self.epy_block_0, 'msg_out'), (self.zeromq_push_msg_sink_0, 'in')) self.connect((self.analog_quadrature_demod_cf_0, 0), (self.qtgui_time_sink_x_0, 0)) self.connect((self.analog_quadrature_demod_cf_0, 0), (self.rational_resampler_xxx_0_0, 0)) self.connect((self.analog_simple_squelch_cc_0, 0), (self.analog_quadrature_demod_cf_0, 0)) self.connect((self.audio_source_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0)) self.connect((self.blocks_multiply_const_vxx_0, 0), (self.digital_binary_slicer_fb_0, 0)) self.connect((self.digital_binary_slicer_fb_0, 0), (self.epy_block_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.analog_simple_squelch_cc_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.qtgui_freq_sink_x_0, 0)) self.connect((self.rational_resampler_xxx_0_0, 0), (self.blocks_multiply_const_vxx_0, 0))
def __init__(self): grc_wxgui.top_block_gui.__init__( self, title="Stereo FM receiver and RDS Decoder") _icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png" self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY)) ################################################## # Variables ################################################## self.freq_offset = freq_offset = 250000 self.freq = freq = 105.3e6 self.volume = volume = -3 self.samp_rate = samp_rate = 2000000 self.gain = gain = 20 self.freq_tune = freq_tune = freq - freq_offset ################################################## # Blocks ################################################## _volume_sizer = wx.BoxSizer(wx.VERTICAL) self._volume_text_box = forms.text_box( parent=self.GetWin(), sizer=_volume_sizer, value=self.volume, callback=self.set_volume, label='Volume', converter=forms.float_converter(), proportion=0, ) self._volume_slider = forms.slider( parent=self.GetWin(), sizer=_volume_sizer, value=self.volume, callback=self.set_volume, minimum=-20, maximum=10, num_steps=300, style=wx.SL_HORIZONTAL, cast=float, proportion=1, ) self.GridAdd(_volume_sizer, 0, 1, 1, 1) self.nb = self.nb = wx.Notebook(self.GetWin(), style=wx.NB_TOP) self.nb.AddPage(grc_wxgui.Panel(self.nb), "BB") self.nb.AddPage(grc_wxgui.Panel(self.nb), "Demod") self.nb.AddPage(grc_wxgui.Panel(self.nb), "Waterfall") self.nb.AddPage(grc_wxgui.Panel(self.nb), "L+R") self.nb.AddPage(grc_wxgui.Panel(self.nb), "L-R") self.nb.AddPage(grc_wxgui.Panel(self.nb), "RDS") self.nb.AddPage(grc_wxgui.Panel(self.nb), "Const") self.GridAdd(self.nb, 2, 0, 1, 2) _gain_sizer = wx.BoxSizer(wx.VERTICAL) self._gain_text_box = forms.text_box( parent=self.GetWin(), sizer=_gain_sizer, value=self.gain, callback=self.set_gain, label='RF Gain', converter=forms.float_converter(), proportion=0, ) self._gain_slider = forms.slider( parent=self.GetWin(), sizer=_gain_sizer, value=self.gain, callback=self.set_gain, minimum=0, maximum=49.6, num_steps=124, style=wx.SL_HORIZONTAL, cast=float, proportion=1, ) self.GridAdd(_gain_sizer, 0, 0, 1, 1) self.wxgui_waterfallsink2_0 = waterfallsink2.waterfall_sink_f( self.nb.GetPage(2).GetWin(), baseband_freq=0, dynamic_range=100, ref_level=0, ref_scale=2.0, sample_rate=250000, fft_size=512, fft_rate=15, average=False, avg_alpha=None, title='Waterfall Plot', ) self.nb.GetPage(2).Add(self.wxgui_waterfallsink2_0.win) self.wxgui_scopesink2_1 = scopesink2.scope_sink_c( self.nb.GetPage(6).GetWin(), title='Scope Plot', sample_rate=2375 * 4, v_scale=0.4, v_offset=0, t_scale=0, ac_couple=False, xy_mode=True, num_inputs=1, trig_mode=wxgui.TRIG_MODE_AUTO, y_axis_label='Counts', ) self.nb.GetPage(6).Add(self.wxgui_scopesink2_1.win) self.wxgui_fftsink2_0_0_0_1_0_1 = fftsink2.fft_sink_c( self.nb.GetPage(5).GetWin(), baseband_freq=0, y_per_div=10, y_divs=10, ref_level=0, ref_scale=2.0, sample_rate=19000, fft_size=1024, fft_rate=15, average=False, avg_alpha=None, title='RDS', peak_hold=False, ) self.nb.GetPage(5).Add(self.wxgui_fftsink2_0_0_0_1_0_1.win) self.wxgui_fftsink2_0_0_0_1 = fftsink2.fft_sink_f( self.nb.GetPage(4).GetWin(), baseband_freq=0, y_per_div=10, y_divs=10, ref_level=0, ref_scale=2.0, sample_rate=48000, fft_size=1024, fft_rate=15, average=False, avg_alpha=None, title='L-R', peak_hold=False, ) self.nb.GetPage(4).Add(self.wxgui_fftsink2_0_0_0_1.win) self.wxgui_fftsink2_0_0_0 = fftsink2.fft_sink_f( self.nb.GetPage(3).GetWin(), baseband_freq=0, y_per_div=10, y_divs=10, ref_level=0, ref_scale=2.0, sample_rate=48000, fft_size=1024, fft_rate=15, average=False, avg_alpha=None, title='L+R', peak_hold=False, ) self.nb.GetPage(3).Add(self.wxgui_fftsink2_0_0_0.win) self.wxgui_fftsink2_0_0 = fftsink2.fft_sink_f( self.nb.GetPage(1).GetWin(), baseband_freq=0, y_per_div=10, y_divs=10, ref_level=0, ref_scale=2.0, sample_rate=250000, fft_size=1024, fft_rate=15, average=True, avg_alpha=0.8, title='FM Demod', peak_hold=False, ) self.nb.GetPage(1).Add(self.wxgui_fftsink2_0_0.win) self.wxgui_fftsink2_0 = fftsink2.fft_sink_c( self.nb.GetPage(0).GetWin(), baseband_freq=0, y_per_div=10, y_divs=10, ref_level=-30, ref_scale=2.0, sample_rate=samp_rate, fft_size=1024, fft_rate=15, average=True, avg_alpha=0.8, title='Baseband', peak_hold=False, ) self.nb.GetPage(0).Add(self.wxgui_fftsink2_0.win) self.rtlsdr_source_0_0 = osmosdr.source(args="numchan=" + str(1) + " " + '') self.rtlsdr_source_0_0.set_sample_rate(samp_rate) self.rtlsdr_source_0_0.set_center_freq(freq_tune, 0) self.rtlsdr_source_0_0.set_freq_corr(0, 0) self.rtlsdr_source_0_0.set_dc_offset_mode(0, 0) self.rtlsdr_source_0_0.set_iq_balance_mode(0, 0) self.rtlsdr_source_0_0.set_gain_mode(False, 0) self.rtlsdr_source_0_0.set_gain(14, 0) self.rtlsdr_source_0_0.set_if_gain(24, 0) self.rtlsdr_source_0_0.set_bb_gain(gain, 0) self.rtlsdr_source_0_0.set_antenna('', 0) self.rtlsdr_source_0_0.set_bandwidth(0, 0) self.root_raised_cosine_filter_0 = filter.fir_filter_ccf( 2, firdes.root_raised_cosine(1, 19000, 2375, .35, 100)) self.pfb_arb_resampler_xxx_1 = pfb.arb_resampler_fff(240000.0 / 250000, taps=None, flt_size=32) self.pfb_arb_resampler_xxx_1.declare_sample_delay(0) self.pfb_arb_resampler_xxx_0 = pfb.arb_resampler_ccf(19000 / 250e3, taps=None, flt_size=32) self.pfb_arb_resampler_xxx_0.declare_sample_delay(0) self.freq_xlating_fir_filter_xxx_2 = filter.freq_xlating_fir_filter_fcf( 5, (firdes.low_pass(1.0, 240000, 13e3, 3e3, firdes.WIN_HAMMING)), 38000, 240000) self.freq_xlating_fir_filter_xxx_1_0 = filter.freq_xlating_fir_filter_fcc( 1, (firdes.low_pass(2500.0, 250000, 2.6e3, 2e3, firdes.WIN_HAMMING)), 57e3, 250000) self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc( 1, (firdes.low_pass(1, samp_rate, 80000, 20000)), freq_offset, samp_rate) _freq_sizer = wx.BoxSizer(wx.VERTICAL) self._freq_text_box = forms.text_box( parent=self.GetWin(), sizer=_freq_sizer, value=self.freq, callback=self.set_freq, label='Freq', converter=forms.float_converter(), proportion=0, ) self._freq_slider = forms.slider( parent=self.GetWin(), sizer=_freq_sizer, value=self.freq, callback=self.set_freq, minimum=88e6, maximum=108e6, num_steps=200, style=wx.SL_HORIZONTAL, cast=float, proportion=1, ) self.GridAdd(_freq_sizer, 1, 0, 1, 2) self.fir_filter_xxx_1 = filter.fir_filter_fff( 5, (firdes.low_pass(1.0, 240000, 13e3, 3e3, firdes.WIN_HAMMING))) self.fir_filter_xxx_1.declare_sample_delay(0) self.blocks_sub_xx_0 = blocks.sub_ff(1) self.blocks_multiply_const_vxx_0_0 = blocks.multiply_const_vff( (10**(1. * (volume) / 10), )) self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff( (10**(1. * (volume) / 10), )) self.blocks_complex_to_real_0 = blocks.complex_to_real(1) self.blocks_add_xx_0 = blocks.add_vff(1) self.audio_sink_0 = audio.sink(48000, '', True) self.analog_wfm_rcv_0 = analog.wfm_rcv( quad_rate=samp_rate, audio_decimation=8, ) self.analog_fm_deemph_0_0_0 = analog.fm_deemph(fs=48000, tau=75e-6) self.analog_fm_deemph_0_0 = analog.fm_deemph(fs=48000, tau=75e-6) ################################################## # Connections ################################################## self.connect((self.analog_fm_deemph_0_0, 0), (self.blocks_multiply_const_vxx_0_0, 0)) self.connect((self.analog_fm_deemph_0_0_0, 0), (self.blocks_multiply_const_vxx_0, 0)) self.connect((self.analog_wfm_rcv_0, 0), (self.freq_xlating_fir_filter_xxx_1_0, 0)) self.connect((self.analog_wfm_rcv_0, 0), (self.pfb_arb_resampler_xxx_1, 0)) self.connect((self.analog_wfm_rcv_0, 0), (self.wxgui_fftsink2_0_0, 0)) self.connect((self.analog_wfm_rcv_0, 0), (self.wxgui_waterfallsink2_0, 0)) self.connect((self.blocks_add_xx_0, 0), (self.analog_fm_deemph_0_0_0, 0)) self.connect((self.blocks_complex_to_real_0, 0), (self.blocks_add_xx_0, 1)) self.connect((self.blocks_complex_to_real_0, 0), (self.blocks_sub_xx_0, 1)) self.connect((self.blocks_complex_to_real_0, 0), (self.wxgui_fftsink2_0_0_0_1, 0)) self.connect((self.blocks_multiply_const_vxx_0, 0), (self.audio_sink_0, 0)) self.connect((self.blocks_multiply_const_vxx_0_0, 0), (self.audio_sink_0, 1)) self.connect((self.blocks_sub_xx_0, 0), (self.analog_fm_deemph_0_0, 0)) self.connect((self.fir_filter_xxx_1, 0), (self.blocks_add_xx_0, 0)) self.connect((self.fir_filter_xxx_1, 0), (self.blocks_sub_xx_0, 0)) self.connect((self.fir_filter_xxx_1, 0), (self.wxgui_fftsink2_0_0_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.analog_wfm_rcv_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.wxgui_fftsink2_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_1_0, 0), (self.pfb_arb_resampler_xxx_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_2, 0), (self.blocks_complex_to_real_0, 0)) self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.root_raised_cosine_filter_0, 0)) self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.wxgui_fftsink2_0_0_0_1_0_1, 0)) self.connect((self.pfb_arb_resampler_xxx_1, 0), (self.fir_filter_xxx_1, 0)) self.connect((self.pfb_arb_resampler_xxx_1, 0), (self.freq_xlating_fir_filter_xxx_2, 0)) self.connect((self.root_raised_cosine_filter_0, 0), (self.wxgui_scopesink2_1, 0)) self.connect((self.rtlsdr_source_0_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))