def make_resampler(in_rate, out_rate): fractional_cutoff = 0.4 fractional_transition_width = 0.2 # The rate relative to in_rate for which to design the anti-aliasing filter. in_relative_max_rate = min(out_rate, in_rate) / in_rate in_relative_cutoff = in_relative_max_rate * fractional_cutoff in_relative_transition_width = in_relative_max_rate * fractional_transition_width if _use_rational_resampler and in_rate % 1 == 0 and out_rate % 1 == 0: # Note: rational_resampler has this logic built in, but it does not correctly design the filter when decimating <http://gnuradio.org/redmine/issues/745>, so we do it ourselves; but this also allows sharing the calculation details for pfb_ and rational_. in_rate = int(in_rate) out_rate = int(out_rate) common = gcd(in_rate, out_rate) interpolation = out_rate // common decimation = in_rate // common return rational_resampler.rational_resampler_fff( interpolation=interpolation, decimation=decimation, taps=firdes.low_pass( interpolation, # gain compensates for interpolation interpolation, # rational resampler filter runs at the interpolated rate in_relative_cutoff, in_relative_transition_width)) else: resample_ratio = out_rate / in_rate pfbsize = 32 # TODO: justify magic number (taken from gqrx) return pfb.arb_resampler_fff( resample_ratio, firdes.low_pass(pfbsize, pfbsize, in_relative_cutoff, in_relative_transition_width), pfbsize)
def make_resampler(in_rate, out_rate): # magic numbers from gqrx resample_ratio = float(out_rate) / in_rate pfbsize = 32 return pfb.arb_resampler_fff( resample_ratio, firdes.low_pass(pfbsize, pfbsize, 0.4 * resample_ratio, 0.2 * resample_ratio), pfbsize)
def __init__(self): gr.top_block.__init__(self, "FM whole-band Channelizer to Measure Latency vs TP") ################################################## # Variables ################################################## self.samp_rate = samp_rate = 3.125e6 self.gain = gain = 10 self.pfb_transition_width = pfb_transition_width = 120e3 self.pfb_samp_rate = pfb_samp_rate = samp_rate self.pfb_gain = pfb_gain = 1 self.pfb_cutoff_freq = pfb_cutoff_freq = 80e3 self.pfb_attenuation = pfb_attenuation = 60 self.audio_transition_width = audio_transition_width = 3e3/10 self.audio_samp_rate = audio_samp_rate = 44.1e3 self.audio_gain = audio_gain = gain self.audio_cutoff_freq = audio_cutoff_freq = 18e3/10 self.audio_attenuation = audio_attenuation = 80 self.pfb_taps = pfb_taps = firdes.low_pass_2(pfb_gain, pfb_samp_rate, pfb_cutoff_freq, pfb_transition_width, pfb_attenuation) self.audio_taps = audio_taps = firdes.low_pass_2(audio_gain, audio_samp_rate, audio_cutoff_freq, audio_transition_width, audio_attenuation) self.pfb_ntaps = pfb_ntaps = pfb_taps.__len__() self.channel = channel = 0 self.audio_rate = audio_rate = 44.1e3 self.audio_ntaps = audio_ntaps = audio_taps.__len__() ################################################## # Blocks ################################################## self.west_timestamp_tagger_ff_0 = west.timestamp_tagger_ff(gr.sizeof_gr_complex, 100) self.west_timestamp_sink_f_0 = west.timestamp_sink_f("timestamp", "fm_latency_meas") self.pfb_arb_resampler_xxx_0 = pfb.arb_resampler_fff( audio_rate / 50e3, taps=(audio_taps), flt_size=10) self.pfb_arb_resampler_xxx_0.declare_sample_delay(0) self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_float*1) self.blocks_file_source_0 = blocks.file_source(gr.sizeof_gr_complex*1, "/home/nathan/Downloads/WFM-97.9MHz-3.125Msps.dat", False) self.analog_wfm_rcv_0 = analog.wfm_rcv( quad_rate=200e3, audio_decimation=int(200e3 / audio_rate), ) self.analog_fm_deemph_0 = analog.fm_deemph(fs=audio_rate, tau=75e-6) ################################################## # Connections ################################################## self.connect((self.analog_wfm_rcv_0, 0), (self.pfb_arb_resampler_xxx_0, 0)) self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.analog_fm_deemph_0, 0)) self.connect((self.analog_fm_deemph_0, 0), (self.west_timestamp_sink_f_0, 0)) self.connect((self.west_timestamp_sink_f_0, 0), (self.blocks_null_sink_0, 0)) self.connect((self.west_timestamp_tagger_ff_0, 0), (self.analog_wfm_rcv_0, 0)) self.connect((self.blocks_file_source_0, 0), (self.west_timestamp_tagger_ff_0, 0))
def __init__(self, rate, decim, gate=False): gr.hier_block2.__init__(self, "fm_demod", gr.io_signature(1, 1, gr.sizeof_gr_complex), gr.io_signature(1, 1, gr.sizeof_float)) tau = 75.e-6 deviation = 5.e3 k = rate / (2 * pi * deviation) self.rate = rate self.quad = analog.quadrature_demod_cf(k) self.squelch = scanner.standard_squelch_ff(gate=gate) self.deemph = fm_deemph(rate, tau) self.nfilts = 32 audio_taps = optfir.band_pass(self.nfilts, self.rate * self.nfilts, 250, 300, 3000, 4000, 0.2, 40) self.resamp = pfb.arb_resampler_fff(1. / decim, audio_taps) self.connect(self, self.quad, self.squelch, self.deemph, self.resamp, self)
def __init__(self, rate, decim, gate=False): gr.hier_block2.__init__(self, "fm_demod", gr.io_signature(1,1,gr.sizeof_gr_complex), gr.io_signature(1,1,gr.sizeof_float)) tau=75.e-6 deviation = 5.e3 k=rate/(2*pi*deviation) self.rate = rate self.quad = analog.quadrature_demod_cf(k) self.squelch = scanner.standard_squelch_ff(gate=gate) self.deemph = fm_deemph(rate, tau) self.nfilts = 32 audio_taps = optfir.band_pass(self.nfilts, self.rate*self.nfilts, 250, 300, 3000, 4000, 0.2, 40) self.resamp = pfb.arb_resampler_fff(1./decim, audio_taps) self.connect(self, self.quad, self.squelch, self.deemph, self.resamp, self)
def make_resampler(in_rate, out_rate): fractional_cutoff = 0.4 fractional_transition_width = 0.2 # The rate relative to in_rate for which to design the anti-aliasing filter. in_relative_max_rate = min(out_rate, in_rate) / in_rate in_relative_cutoff = in_relative_max_rate * fractional_cutoff in_relative_transition_width = in_relative_max_rate * fractional_transition_width if _use_rational_resampler and in_rate % 1 == 0 and out_rate % 1 == 0: # Note: rational_resampler has this logic built in, but it does not correctly design the filter when decimating <http://gnuradio.org/redmine/issues/745>, so we do it ourselves; but this also allows sharing the calculation details for pfb_ and rational_. in_rate = int(in_rate) out_rate = int(out_rate) common = gcd(in_rate, out_rate) interpolation = out_rate // common decimation = in_rate // common return rational_resampler.rational_resampler_fff( interpolation=interpolation, decimation=decimation, taps=firdes.low_pass( interpolation, # gain compensates for interpolation interpolation, # rational resampler filter runs at the interpolated rate in_relative_cutoff, in_relative_transition_width)) else: resample_ratio = out_rate / in_rate pfbsize = 32 # TODO: justify magic number (taken from gqrx) return pfb.arb_resampler_fff( resample_ratio, firdes.low_pass( pfbsize, pfbsize, in_relative_cutoff, in_relative_transition_width), pfbsize)
def __init__(self): grc_wxgui.top_block_gui.__init__(self, title="Keyfob Rx") ################################################## # Variables ################################################## self.sps = sps = 5 self.samp_rate = samp_rate = 48000 ################################################## # Blocks ################################################## self.wxgui_scopesink2_1 = scopesink2.scope_sink_f( self.GetWin(), title="Scope Plot", sample_rate=3400, v_scale=0, v_offset=0, t_scale=0, ac_couple=False, xy_mode=False, num_inputs=1, trig_mode=wxgui.TRIG_MODE_AUTO, y_axis_label="Counts", ) self.Add(self.wxgui_scopesink2_1.win) self.wxgui_scopesink2_0 = scopesink2.scope_sink_f( self.GetWin(), title="Scope Plot", sample_rate=3400 * 5, v_scale=0, v_offset=0, t_scale=0, ac_couple=False, xy_mode=False, num_inputs=1, trig_mode=wxgui.TRIG_MODE_AUTO, y_axis_label="Counts", ) self.Add(self.wxgui_scopesink2_0.win) self.pfb_arb_resampler_xxx_0 = pfb.arb_resampler_fff(3393.75 * sps / 1000000.026491, 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(1000000) self.osmosdr_source_0.set_center_freq(434400000, 0) self.osmosdr_source_0.set_freq_corr(0, 0) self.osmosdr_source_0.set_dc_offset_mode(0, 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(2, 0) self.osmosdr_source_0.set_if_gain(0, 0) self.osmosdr_source_0.set_bb_gain(0, 0) self.osmosdr_source_0.set_antenna("", 0) self.osmosdr_source_0.set_bandwidth(0, 0) self.keyfob_parse_packet_0 = keyfob.parse_packet() self.keyfob_manchester_decode_0 = keyfob.manchester_decode() self.digital_correlate_access_code_tag_bb_0 = digital.correlate_access_code_tag_bb( "10101000", 0, "packet_start") self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff( sps * (1 + 0.0), 0.25 * 0.175 * 0.175, 0.5, 0.175, 0.05) self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb() self.blocks_sub_xx_0 = blocks.sub_ff(1) self.blocks_moving_average_xx_1 = blocks.moving_average_ff( sps, 1.0 / sps, 4000) self.blocks_moving_average_xx_0 = blocks.moving_average_ff( 10000, 1.0 / 10000, 4000) self.blocks_divide_xx_0 = blocks.divide_ff(1) self.blocks_complex_to_mag_0 = blocks.complex_to_mag(1) ################################################## # Connections ################################################## self.connect((self.blocks_complex_to_mag_0, 0), (self.blocks_moving_average_xx_0, 0)) self.connect((self.blocks_complex_to_mag_0, 0), (self.blocks_sub_xx_0, 0)) self.connect((self.blocks_divide_xx_0, 0), (self.pfb_arb_resampler_xxx_0, 0)) self.connect((self.blocks_moving_average_xx_0, 0), (self.blocks_divide_xx_0, 1)) self.connect((self.blocks_moving_average_xx_0, 0), (self.blocks_sub_xx_0, 1)) self.connect((self.blocks_moving_average_xx_1, 0), (self.digital_clock_recovery_mm_xx_0, 0)) self.connect((self.blocks_moving_average_xx_1, 0), (self.wxgui_scopesink2_0, 0)) self.connect((self.blocks_sub_xx_0, 0), (self.blocks_divide_xx_0, 0)) self.connect((self.digital_binary_slicer_fb_0, 0), (self.keyfob_manchester_decode_0, 0)) self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.digital_binary_slicer_fb_0, 0)) self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.wxgui_scopesink2_1, 0)) self.connect((self.digital_correlate_access_code_tag_bb_0, 0), (self.keyfob_parse_packet_0, 0)) self.connect((self.keyfob_manchester_decode_0, 0), (self.digital_correlate_access_code_tag_bb_0, 0)) self.connect((self.osmosdr_source_0, 0), (self.blocks_complex_to_mag_0, 0)) self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.blocks_moving_average_xx_1, 0))
def __init__(self, samp_rate=4E6, audio_rate=8000, record=True, audio_bps=8): gr.hier_block2.__init__(self, "TunerDemodAM", gr.io_signature(1, 1, gr.sizeof_gr_complex), gr.io_signature(1, 1, gr.sizeof_float)) # Default values self.center_freq = 0 squelch_db = -60 self.agc_ref = 0.1 self.file_name = "/dev/null" self.record = record # Decimation values for four stages of decimation decims = (5, int(samp_rate / 1E6)) # Low pass filter taps for decimation by 5 low_pass_filter_taps_0 = \ grfilter.firdes_low_pass(1, 1, 0.090, 0.010, grfilter.firdes.WIN_HAMMING) # Frequency translating FIR filter decimating by 5 self.freq_xlating_fir_filter_ccc = \ grfilter.freq_xlating_fir_filter_ccc(decims[0], low_pass_filter_taps_0, self.center_freq, samp_rate) # FIR filter decimating by 5 fir_filter_ccc_0 = grfilter.fir_filter_ccc(decims[0], low_pass_filter_taps_0) # Low pass filter taps for decimation from samp_rate/25 to 40-79.9 ksps # In other words, decimation by int(samp_rate/1E6) # 12.5 kHz cutoff for NBFM channel bandwidth low_pass_filter_taps_1 = grfilter.firdes_low_pass( 1, samp_rate / decims[0]**2, 12.5E3, 1E3, grfilter.firdes.WIN_HAMMING) # FIR filter decimation by int(samp_rate/1E6) fir_filter_ccc_1 = grfilter.fir_filter_ccc(decims[1], low_pass_filter_taps_1) # Non blocking power squelch # Squelch level needs to be lower than NBFM or else choppy AM demod self.analog_pwr_squelch_cc = analog.pwr_squelch_cc( squelch_db, 1e-1, 0, False) # AGC with reference set for nomninal 0 dB volume # Paramaters tweaked to prevent impulse during squelching self.agc3_cc = analog.agc3_cc(1.0, 1E-4, self.agc_ref, 10, 1) self.agc3_cc.set_max_gain(65536) # AM demod with complex_to_mag() # Can't use analog.am_demod_cf() since it won't work with N>2 demods am_demod_cf = blocks.complex_to_mag(1) # 3.5 kHz cutoff for audio bandwidth low_pass_filter_taps_2 = grfilter.firdes_low_pass(1,\ samp_rate/(decims[1] * decims[0]**2),\ 3.5E3, 500, grfilter.firdes.WIN_HAMMING) # FIR filter decimating by 5 from 40-79.9 ksps to 8-15.98 ksps fir_filter_fff_0 = grfilter.fir_filter_fff(decims[0], low_pass_filter_taps_2) # Polyphase resampler allows arbitary RF sample rates # Takes 8-15.98 ksps to a constant 8 ksps for audio pfb_resamp = audio_rate / float(samp_rate / (decims[1] * decims[0]**3)) pfb_arb_resampler_fff = pfb.arb_resampler_fff(pfb_resamp, taps=None, flt_size=32) # Connect the blocks for the demod self.connect(self, self.freq_xlating_fir_filter_ccc) self.connect(self.freq_xlating_fir_filter_ccc, fir_filter_ccc_0) self.connect(fir_filter_ccc_0, fir_filter_ccc_1) self.connect(fir_filter_ccc_1, self.analog_pwr_squelch_cc) self.connect(self.analog_pwr_squelch_cc, self.agc3_cc) self.connect(self.agc3_cc, am_demod_cf) self.connect(am_demod_cf, fir_filter_fff_0) self.connect(fir_filter_fff_0, pfb_arb_resampler_fff) self.connect(pfb_arb_resampler_fff, self) # Need to set this to a very low value of -200 since it is after demod # Only want it to gate when the previous squelch has gone to zero analog_pwr_squelch_ff = analog.pwr_squelch_ff(-200, 1e-1, 0, True) # File sink with single channel and 8 bits/sample self.blocks_wavfile_sink = blocks.wavfile_sink(self.file_name, 1, audio_rate, audio_bps) # Connect the blocks for recording self.connect(pfb_arb_resampler_fff, analog_pwr_squelch_ff) self.connect(analog_pwr_squelch_ff, self.blocks_wavfile_sink)
def __init__(self): grc_wxgui.top_block_gui.__init__(self, title="Keyfob Decode Wav") ################################################## # Variables ################################################## self.sps = sps = 5 self.samp_rate = samp_rate = 48000 ################################################## # Blocks ################################################## self.wxgui_scopesink2_1 = scopesink2.scope_sink_f( self.GetWin(), title="Scope Plot", sample_rate=3400, v_scale=0, v_offset=0, t_scale=0, ac_couple=False, xy_mode=False, num_inputs=1, trig_mode=wxgui.TRIG_MODE_AUTO, y_axis_label="Counts", ) self.Add(self.wxgui_scopesink2_1.win) self.wxgui_scopesink2_0 = scopesink2.scope_sink_f( self.GetWin(), title="Scope Plot", sample_rate=3400 * 5, v_scale=0, v_offset=0, t_scale=0, ac_couple=False, xy_mode=False, num_inputs=1, trig_mode=wxgui.TRIG_MODE_AUTO, y_axis_label="Counts", ) self.Add(self.wxgui_scopesink2_0.win) self.pfb_arb_resampler_xxx_0 = pfb.arb_resampler_fff(3400.0 * sps / 48000, taps=None, flt_size=32) self.pfb_arb_resampler_xxx_0.declare_sample_delay(0) self.keyfob_parse_packet_0 = keyfob.parse_packet() self.keyfob_manchester_decode_0 = keyfob.manchester_decode() self.digital_correlate_access_code_tag_bb_0 = digital.correlate_access_code_tag_bb( "10101000", 0, "packet_start") self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff( 5 * (1 + 0.0), 0.25 * 0.175 * 0.175, 0.5, 0.175, 0.05) self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb() self.blocks_wavfile_source_0 = blocks.wavfile_source( "../gqrx_20150306_154200_434400000.wav", False) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_float * 1, samp_rate * 3, True) self.blocks_moving_average_xx_1 = blocks.moving_average_ff( sps, 1, 4000) ################################################## # Connections ################################################## self.connect((self.blocks_moving_average_xx_1, 0), (self.digital_clock_recovery_mm_xx_0, 0)) self.connect((self.blocks_moving_average_xx_1, 0), (self.wxgui_scopesink2_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.pfb_arb_resampler_xxx_0, 0)) self.connect((self.blocks_wavfile_source_0, 0), (self.blocks_throttle_0, 0)) self.connect((self.digital_binary_slicer_fb_0, 0), (self.keyfob_manchester_decode_0, 0)) self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.digital_binary_slicer_fb_0, 0)) self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.wxgui_scopesink2_1, 0)) self.connect((self.digital_correlate_access_code_tag_bb_0, 0), (self.keyfob_parse_packet_0, 0)) self.connect((self.keyfob_manchester_decode_0, 0), (self.digital_correlate_access_code_tag_bb_0, 0)) self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.blocks_moving_average_xx_1, 0))
def __init__(self, antenna="RX", bb_freq=0.0, bw=0.0, dc_removal="False", decoded_data_file_path="/tmp/.satnogs/data/data", dev_args="", doppler_correction_per_sec=20, enable_iq_dump=0, file_path="test.wav", flip_images=0, gain=0.0, gain_mode="Overall", iq_file_path="/tmp/iq.dat", lo_offset=100e3, other_settings="", ppm=0, rigctl_port=4532, rx_freq=100e6, samp_rate_rx=2048000, soapy_rx_device="driver=rtlsdr", stream_args="", sync=1, tune_args="", udp_IP="127.0.0.1", udp_dump_host="", udp_dump_port=57356, udp_port=16887, waterfall_file_path="/tmp/waterfall.dat"): gr.top_block.__init__(self, "NOAA APT Decoder") ################################################## # Parameters ################################################## self.antenna = antenna self.bb_freq = bb_freq self.bw = bw self.dc_removal = dc_removal self.decoded_data_file_path = decoded_data_file_path self.dev_args = dev_args self.doppler_correction_per_sec = doppler_correction_per_sec self.enable_iq_dump = enable_iq_dump self.file_path = file_path self.flip_images = flip_images self.gain = gain self.gain_mode = gain_mode self.iq_file_path = iq_file_path self.lo_offset = lo_offset self.other_settings = other_settings self.ppm = ppm self.rigctl_port = rigctl_port self.rx_freq = rx_freq self.samp_rate_rx = samp_rate_rx self.soapy_rx_device = soapy_rx_device self.stream_args = stream_args self.sync = sync self.tune_args = tune_args self.udp_IP = udp_IP self.udp_dump_host = udp_dump_host self.udp_dump_port = udp_dump_port self.udp_port = udp_port self.waterfall_file_path = waterfall_file_path ################################################## # Variables ################################################## self.audio_samp_rate = audio_samp_rate = 48000 ################################################## # Blocks ################################################## self.soapy_source_0_0 = None # Make sure that the gain mode is valid if (gain_mode not in ['Overall', 'Specific', 'Settings Field']): raise ValueError( "Wrong gain mode on channel 0. Allowed gain modes: " "['Overall', 'Specific', 'Settings Field']") dev = soapy_rx_device # Stream arguments for every activated stream tune_args = [tune_args] settings = [other_settings] # Setup the device arguments dev_args = dev_args self.soapy_source_0_0 = soapy.source(1, dev, dev_args, stream_args, tune_args, settings, samp_rate_rx, "fc32") self.soapy_source_0_0.set_dc_removal( 0, bool(distutils.util.strtobool(dc_removal))) # Set up DC offset. If set to (0, 0) internally the source block # will handle the case if no DC offset correction is supported self.soapy_source_0_0.set_dc_offset(0, 0) # Setup IQ Balance. If set to (0, 0) internally the source block # will handle the case if no IQ balance correction is supported self.soapy_source_0_0.set_iq_balance(0, 0) self.soapy_source_0_0.set_agc(0, False) # generic frequency setting should be specified first self.soapy_source_0_0.set_frequency(0, rx_freq - lo_offset) self.soapy_source_0_0.set_frequency(0, "BB", bb_freq) # Setup Frequency correction. If set to 0 internally the source block # will handle the case if no frequency correction is supported self.soapy_source_0_0.set_frequency_correction(0, ppm) self.soapy_source_0_0.set_antenna(0, antenna) self.soapy_source_0_0.set_bandwidth(0, bw) if (gain_mode != 'Settings Field'): # pass is needed, in case the template does not evaluare anything pass self.soapy_source_0_0.set_gain(0, gain) self.satnogs_waterfall_sink_0_0 = satnogs.waterfall_sink( 4 * 4160 * 4, rx_freq, 10, 1024, waterfall_file_path, 1) self.satnogs_ogg_encoder_0 = satnogs.ogg_encoder( file_path, audio_samp_rate, 0.8) self.satnogs_noaa_apt_sink_1 = satnogs.noaa_apt_sink( decoded_data_file_path, 2080, 1800, True, False) self.satnogs_iq_sink_0_0 = satnogs.iq_sink(16768, iq_file_path, False, enable_iq_dump) self.satnogs_doppler_compensation_0 = satnogs.doppler_compensation( samp_rate_rx, rx_freq, lo_offset, 4 * 4160 * 4, 1, 0) self.rational_resampler_xxx_0_0 = filter.rational_resampler_fff( interpolation=1, decimation=4, taps=None, fractional_bw=None) self.pfb_arb_resampler_xxx_0 = pfb.arb_resampler_fff(audio_samp_rate / (4 * 4160 * 4), taps=None, flt_size=32) self.pfb_arb_resampler_xxx_0.declare_sample_delay(0) self.low_pass_filter_0_0 = filter.fir_filter_ccf( 1, firdes.low_pass(1, 4 * 4160 * 4, 4 * 4160 * 1.1, 1e3, firdes.WIN_HAMMING, 6.76)) self.hilbert_fc_0 = filter.hilbert_fc(65, firdes.WIN_HAMMING, 6.76) self.blocks_udp_sink_0_0 = blocks.udp_sink(gr.sizeof_gr_complex * 1, udp_dump_host, udp_dump_port, 1472, True) self.blocks_complex_to_mag_0 = blocks.complex_to_mag(1) self.band_pass_filter_0 = filter.fir_filter_fff( 4, firdes.band_pass(1, (4 * 4160 * 4), 500, 4.2e3, 200, firdes.WIN_HAMMING, 6.76)) self.analog_wfm_rcv_0 = analog.wfm_rcv( quad_rate=4 * 4160 * 4, audio_decimation=1, ) ################################################## # Connections ################################################## self.connect((self.analog_wfm_rcv_0, 0), (self.band_pass_filter_0, 0)) self.connect((self.analog_wfm_rcv_0, 0), (self.pfb_arb_resampler_xxx_0, 0)) self.connect((self.band_pass_filter_0, 0), (self.hilbert_fc_0, 0)) self.connect((self.blocks_complex_to_mag_0, 0), (self.rational_resampler_xxx_0_0, 0)) self.connect((self.hilbert_fc_0, 0), (self.blocks_complex_to_mag_0, 0)) self.connect((self.low_pass_filter_0_0, 0), (self.analog_wfm_rcv_0, 0)) self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.satnogs_ogg_encoder_0, 0)) self.connect((self.rational_resampler_xxx_0_0, 0), (self.satnogs_noaa_apt_sink_1, 0)) self.connect((self.satnogs_doppler_compensation_0, 0), (self.blocks_udp_sink_0_0, 0)) self.connect((self.satnogs_doppler_compensation_0, 0), (self.low_pass_filter_0_0, 0)) self.connect((self.satnogs_doppler_compensation_0, 0), (self.satnogs_iq_sink_0_0, 0)) self.connect((self.satnogs_doppler_compensation_0, 0), (self.satnogs_waterfall_sink_0_0, 0)) self.connect((self.soapy_source_0_0, 0), (self.satnogs_doppler_compensation_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, samp_rate=4E6, audio_rate=8000, record=True): gr.hier_block2.__init__(self, "TunerDemodAM", gr.io_signature(1, 1, gr.sizeof_gr_complex), gr.io_signature(1, 1, gr.sizeof_float)) # Default values self.center_freq = 0 squelch_db = -60 self.agc_ref = 0.1 self.file_name = "/dev/null" self.record = record # Decimation values for four stages of decimation decims = (5, int(samp_rate/1E6)) # Low pass filter taps for decimation by 5 low_pass_filter_taps_0 = \ grfilter.firdes_low_pass(1, 1, 0.090, 0.010, grfilter.firdes.WIN_HAMMING) # Frequency translating FIR filter decimating by 5 self.freq_xlating_fir_filter_ccc = \ grfilter.freq_xlating_fir_filter_ccc(decims[0], low_pass_filter_taps_0, self.center_freq, samp_rate) # FIR filter decimating by 5 fir_filter_ccc_0 = grfilter.fir_filter_ccc(decims[0], low_pass_filter_taps_0) # Low pass filter taps for decimation from samp_rate/25 to 40-79.9 ksps # In other words, decimation by int(samp_rate/1E6) # 12.5 kHz cutoff for NBFM channel bandwidth low_pass_filter_taps_1 = grfilter.firdes_low_pass( 1, samp_rate/decims[0]**2, 12.5E3, 1E3, grfilter.firdes.WIN_HAMMING) # FIR filter decimation by int(samp_rate/1E6) fir_filter_ccc_1 = grfilter.fir_filter_ccc(decims[1], low_pass_filter_taps_1) # Non blocking power squelch # Squelch level needs to be lower than NBFM or else choppy AM demod self.analog_pwr_squelch_cc = analog.pwr_squelch_cc(squelch_db, 1e-1, 0, False) # AGC with reference set for nomninal 0 dB volume # Paramaters tweaked to prevent impulse during squelching self.agc3_cc = analog.agc3_cc(1.0, 1E-4, self.agc_ref, 10, 1) self.agc3_cc.set_max_gain(65536) # AM demod with complex_to_mag() # Can't use analog.am_demod_cf() since it won't work with N>2 demods am_demod_cf = blocks.complex_to_mag(1) # 3.5 kHz cutoff for audio bandwidth low_pass_filter_taps_2 = grfilter.firdes_low_pass(1,\ samp_rate/(decims[1] * decims[0]**2),\ 3.5E3, 500, grfilter.firdes.WIN_HAMMING) # FIR filter decimating by 5 from 40-79.9 ksps to 8-15.98 ksps fir_filter_fff_0 = grfilter.fir_filter_fff(decims[0], low_pass_filter_taps_2) # Polyphase resampler allows arbitary RF sample rates # Takes 8-15.98 ksps to a constant 8 ksps for audio pfb_resamp = audio_rate/float(samp_rate/(decims[1] * decims[0]**3)) pfb_arb_resampler_fff = pfb.arb_resampler_fff(pfb_resamp, taps=None, flt_size=32) # Connect the blocks for the demod self.connect(self, self.freq_xlating_fir_filter_ccc) self.connect(self.freq_xlating_fir_filter_ccc, fir_filter_ccc_0) self.connect(fir_filter_ccc_0, fir_filter_ccc_1) self.connect(fir_filter_ccc_1, self.analog_pwr_squelch_cc) self.connect(self.analog_pwr_squelch_cc, self.agc3_cc) self.connect(self.agc3_cc, am_demod_cf) self.connect(am_demod_cf, fir_filter_fff_0) self.connect(fir_filter_fff_0, pfb_arb_resampler_fff) self.connect(pfb_arb_resampler_fff, self) # Need to set this to a very low value of -200 since it is after demod # Only want it to gate when the previuos squelch has gone to zero analog_pwr_squelch_ff = analog.pwr_squelch_ff(-200, 1e-1, 0, True) # File sink with single channel and 8 bits/sample self.blocks_wavfile_sink = blocks.wavfile_sink(self.file_name, 1, audio_rate, 8) # Connect the blocks for recording self.connect(pfb_arb_resampler_fff, analog_pwr_squelch_ff) self.connect(analog_pwr_squelch_ff, self.blocks_wavfile_sink)
def __init__(self): gr.top_block.__init__(self, "Supacars") Qt.QWidget.__init__(self) self.setWindowTitle("Supacars") 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", "SUPACARS") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Variables ################################################## self.variable_qtgui_label_0_1 = variable_qtgui_label_0_1 = 'Parser Text Output' self.variable_qtgui_label_0_0 = variable_qtgui_label_0_0 = 'Raw Text Output' self.samp_rate = samp_rate = 48000 self.rx_volume = rx_volume = 100 self.rx_gain = rx_gain = 26 self.lo_off = lo_off = 126e3 self.init_sample_rate = init_sample_rate = 500e3 self.corr_thres = corr_thres = 0.5 self.center_freq = center_freq = 131.725e6 ################################################## # Blocks ################################################## self._rx_volume_range = Range(1, 500, 1, 100, 200) self._rx_volume_win = RangeWidget(self._rx_volume_range, self.set_rx_volume, "rx_volume", "counter_slider", float) self.top_grid_layout.addWidget(self._rx_volume_win, 3, 0, 1, 2) self._rx_gain_range = Range(0, 40, 1, 26, 200) self._rx_gain_win = RangeWidget(self._rx_gain_range, self.set_rx_gain, "rx_gain", "counter_slider", float) self.top_grid_layout.addWidget(self._rx_gain_win, 1, 0, 1, 2) self._corr_thres_range = Range(0, 5, 0.01, 0.5, 200) self._corr_thres_win = RangeWidget(self._corr_thres_range, self.set_corr_thres, "corr_thres", "counter_slider", float) self.top_grid_layout.addWidget(self._corr_thres_win, 0, 0, 1, 2) self._variable_qtgui_label_0_1_tool_bar = Qt.QToolBar(self) if 0: self._variable_qtgui_label_0_1_formatter = 0 else: self._variable_qtgui_label_0_1_formatter = lambda x: x self._variable_qtgui_label_0_1_tool_bar.addWidget( Qt.QLabel('Terminal 2 ' + ": ")) self._variable_qtgui_label_0_1_label = Qt.QLabel( str( self._variable_qtgui_label_0_1_formatter( self.variable_qtgui_label_0_1))) self._variable_qtgui_label_0_1_tool_bar.addWidget( self._variable_qtgui_label_0_1_label) self.top_grid_layout.addWidget(self._variable_qtgui_label_0_1_tool_bar, 5, 1, 1, 1) self._variable_qtgui_label_0_0_tool_bar = Qt.QToolBar(self) if 0: self._variable_qtgui_label_0_0_formatter = 0 else: self._variable_qtgui_label_0_0_formatter = lambda x: x self._variable_qtgui_label_0_0_tool_bar.addWidget( Qt.QLabel('Terminal 1 ' + ": ")) self._variable_qtgui_label_0_0_label = Qt.QLabel( str( self._variable_qtgui_label_0_0_formatter( self.variable_qtgui_label_0_0))) self._variable_qtgui_label_0_0_tool_bar.addWidget( self._variable_qtgui_label_0_0_label) self.top_grid_layout.addWidget(self._variable_qtgui_label_0_0_tool_bar, 5, 0, 1, 1) self.uhd_usrp_source_0 = uhd.usrp_source( ",".join(("", "")), uhd.stream_args( cpu_format="fc32", channels=range(1), ), ) self.uhd_usrp_source_0.set_samp_rate(init_sample_rate) self.uhd_usrp_source_0.set_center_freq( uhd.tune_request(center_freq, lo_off), 0) self.uhd_usrp_source_0.set_gain(rx_gain, 0) self.uhd_usrp_source_0.set_antenna('TX/RX', 0) self.supacars_acarsparser_0 = supacars.acarsparser(False, '') self.supacars_acars_0 = supacars.acars(samp_rate, corr_thres) self.qtgui_time_sink_x_0 = qtgui.time_sink_f( 48000, #size samp_rate, #samp_rate "ACARS signal", #name 1 #number of inputs ) self.qtgui_time_sink_x_0.set_update_time(0.10) self.qtgui_time_sink_x_0.set_y_axis(-1, 1) self.qtgui_time_sink_x_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_0.enable_tags(-1, True) self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_0.enable_autoscale(False) self.qtgui_time_sink_x_0.enable_grid(False) self.qtgui_time_sink_x_0.enable_axis_labels(True) self.qtgui_time_sink_x_0.enable_control_panel(False) if not True: self.qtgui_time_sink_x_0.disable_legend() labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "blue" ] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(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, 4, 0, 1, 2) self.pyqt_text_output_0_0 = pyqt.text_output() self._pyqt_text_output_0_0_win = self.pyqt_text_output_0_0 self.top_grid_layout.addWidget(self._pyqt_text_output_0_0_win, 6, 1, 1, 1) self.pyqt_text_output_0 = pyqt.text_output() self._pyqt_text_output_0_win = self.pyqt_text_output_0 self.top_grid_layout.addWidget(self._pyqt_text_output_0_win, 6, 0, 1, 1) self.pfb_arb_resampler_xxx_0 = pfb.arb_resampler_fff(samp_rate / init_sample_rate, taps=None, flt_size=32) self.pfb_arb_resampler_xxx_0.declare_sample_delay(0) self.low_pass_filter_0 = filter.fir_filter_ccf( 1, firdes.low_pass(rx_volume, init_sample_rate, 5e3, 500, firdes.WIN_HAMMING, 6.76)) self.dc_blocker_xx_0 = filter.dc_blocker_ff(32, True) self.blocks_complex_to_mag_0 = blocks.complex_to_mag(1) self.audio_sink_0 = audio.sink(samp_rate, '', True) ################################################## # Connections ################################################## self.msg_connect((self.supacars_acars_0, 'raw_output'), (self.pyqt_text_output_0, 'pdus')) self.msg_connect((self.supacars_acars_0, 'parser_output'), (self.supacars_acarsparser_0, 'in')) self.msg_connect((self.supacars_acarsparser_0, 'parsed_out'), (self.pyqt_text_output_0_0, 'pdus')) self.connect((self.blocks_complex_to_mag_0, 0), (self.pfb_arb_resampler_xxx_0, 0)) self.connect((self.dc_blocker_xx_0, 0), (self.audio_sink_0, 0)) self.connect((self.dc_blocker_xx_0, 0), (self.qtgui_time_sink_x_0, 0)) self.connect((self.dc_blocker_xx_0, 0), (self.supacars_acars_0, 0)) self.connect((self.low_pass_filter_0, 0), (self.blocks_complex_to_mag_0, 0)) self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.dc_blocker_xx_0, 0)) self.connect((self.uhd_usrp_source_0, 0), (self.low_pass_filter_0, 0))
def __init__(self): gr.top_block.__init__(self, "FM whole-band Channelizer") Qt.QWidget.__init__(self) self.setWindowTitle("FM whole-band Channelizer") 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", "fm_channelize") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Variables ################################################## self.samp_rate = samp_rate = 3.125e6 self.gain = gain = 25 self.pfb_transition_width = pfb_transition_width = 120e3 self.pfb_samp_rate = pfb_samp_rate = samp_rate self.pfb_gain = pfb_gain = 1 self.pfb_cutoff_freq = pfb_cutoff_freq = 80e3 self.pfb_attenuation = pfb_attenuation = 60 self.audio_transition_width = audio_transition_width = 3e3/10 self.audio_samp_rate = audio_samp_rate = 44.1e3 self.audio_gain = audio_gain = gain self.audio_cutoff_freq = audio_cutoff_freq = 18e3/10 self.audio_attenuation = audio_attenuation = 80 self.pfb_taps = pfb_taps = firdes.low_pass_2(pfb_gain, pfb_samp_rate, pfb_cutoff_freq, pfb_transition_width, pfb_attenuation) self.audio_taps = audio_taps = firdes.low_pass_2(audio_gain, audio_samp_rate, audio_cutoff_freq, audio_transition_width, audio_attenuation) self.pfb_ntaps = pfb_ntaps = pfb_taps.__len__() self.channel = channel = 0 self.audio_rate = audio_rate = 44.1e3 self.audio_ntaps = audio_ntaps = audio_taps.__len__() ################################################## # Blocks ################################################## self._channel_layout = Qt.QVBoxLayout() self._channel_tool_bar = Qt.QToolBar(self) self._channel_layout.addWidget(self._channel_tool_bar) self._channel_tool_bar.addWidget(Qt.QLabel("fm channel"+": ")) class qwt_counter_pyslot(Qwt.QwtCounter): def __init__(self, parent=None): Qwt.QwtCounter.__init__(self, parent) @pyqtSlot('double') def setValue(self, value): super(Qwt.QwtCounter, self).setValue(value) self._channel_counter = qwt_counter_pyslot() self._channel_counter.setRange(0, 125, 1) self._channel_counter.setNumButtons(2) self._channel_counter.setValue(self.channel) self._channel_tool_bar.addWidget(self._channel_counter) self._channel_counter.valueChanged.connect(self.set_channel) self._channel_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot) self._channel_slider.setRange(0, 125, 1) self._channel_slider.setValue(self.channel) self._channel_slider.setMinimumWidth(125) self._channel_slider.valueChanged.connect(self.set_channel) self._channel_layout.addWidget(self._channel_slider) self.top_layout.addLayout(self._channel_layout) self.pfb_decimator_ccf_0 = pfb.decimator_ccf( 15, (pfb_taps), channel, 100, True, True) self.pfb_decimator_ccf_0.declare_sample_delay(0) self.pfb_arb_resampler_xxx_0 = pfb.arb_resampler_fff( audio_rate / 50e3, taps=(audio_taps), flt_size=10) self.pfb_arb_resampler_xxx_0.declare_sample_delay(0) self._gain_layout = Qt.QVBoxLayout() self._gain_tool_bar = Qt.QToolBar(self) self._gain_layout.addWidget(self._gain_tool_bar) self._gain_tool_bar.addWidget(Qt.QLabel("Gain"+": ")) class qwt_counter_pyslot(Qwt.QwtCounter): def __init__(self, parent=None): Qwt.QwtCounter.__init__(self, parent) @pyqtSlot('double') def setValue(self, value): super(Qwt.QwtCounter, self).setValue(value) self._gain_counter = qwt_counter_pyslot() self._gain_counter.setRange(0, 100, 1) self._gain_counter.setNumButtons(2) self._gain_counter.setValue(self.gain) self._gain_tool_bar.addWidget(self._gain_counter) self._gain_counter.valueChanged.connect(self.set_gain) self._gain_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot) self._gain_slider.setRange(0, 100, 1) self._gain_slider.setValue(self.gain) self._gain_slider.setMinimumWidth(200) self._gain_slider.valueChanged.connect(self.set_gain) self._gain_layout.addWidget(self._gain_slider) self.top_layout.addLayout(self._gain_layout) self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_float*1) self.blocks_file_source_0 = blocks.file_source(gr.sizeof_gr_complex*1, "/home/nathan/Downloads/WFM-97.9MHz-3.125Msps.dat", True) self.audio_sink_0 = audio.sink(int(audio_rate), "", True) self.analog_wfm_rcv_0 = analog.wfm_rcv( quad_rate=200e3, audio_decimation=int(200e3 / audio_rate), ) self.analog_fm_deemph_0 = analog.fm_deemph(fs=audio_rate, tau=75e-6) ################################################## # Connections ################################################## self.connect((self.pfb_decimator_ccf_0, 0), (self.analog_wfm_rcv_0, 0)) self.connect((self.analog_wfm_rcv_0, 0), (self.pfb_arb_resampler_xxx_0, 0)) self.connect((self.blocks_file_source_0, 0), (self.pfb_decimator_ccf_0, 0)) self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.analog_fm_deemph_0, 0)) self.connect((self.analog_fm_deemph_0, 0), (self.audio_sink_0, 0)) self.connect((self.analog_fm_deemph_0, 0), (self.blocks_null_sink_0, 0))
def __init__(self, antenna="", baudrate=9600.0, bb_freq=0.0, bw=0.0, dc_removal="False", decoded_data_file_path="/tmp/.satnogs/data/data", dev_args="", doppler_correction_per_sec=20, enable_iq_dump=0, file_path="test.wav", framing="ax25", gain=0.0, gain_mode="Overall", iq_file_path="/tmp/iq.dat", lo_offset=100e3, other_settings="", ppm=0, rigctl_port=4532, rx_freq=100e6, samp_rate_rx=0.0, soapy_rx_device="driver=invalid", stream_args="", tune_args="", udp_IP="127.0.0.1", udp_dump_dest='127.0.0.1', udp_dump_port=7355, udp_port=16887, waterfall_file_path="/tmp/waterfall.dat"): gr.top_block.__init__(self, "satnogs_fsk") ################################################## # Parameters ################################################## self.antenna = antenna self.baudrate = baudrate self.bb_freq = bb_freq self.bw = bw self.dc_removal = dc_removal self.decoded_data_file_path = decoded_data_file_path self.dev_args = dev_args self.doppler_correction_per_sec = doppler_correction_per_sec self.enable_iq_dump = enable_iq_dump self.file_path = file_path self.framing = framing self.gain = gain self.gain_mode = gain_mode self.iq_file_path = iq_file_path self.lo_offset = lo_offset self.other_settings = other_settings self.ppm = ppm self.rigctl_port = rigctl_port self.rx_freq = rx_freq self.samp_rate_rx = samp_rate_rx self.soapy_rx_device = soapy_rx_device self.stream_args = stream_args self.tune_args = tune_args self.udp_IP = udp_IP self.udp_dump_dest = udp_dump_dest self.udp_dump_port = udp_dump_port self.udp_port = udp_port self.waterfall_file_path = waterfall_file_path ################################################## # Variables ################################################## self.variable_ax25_decoder_0 = variable_ax25_decoder_0 = satnogs.ax25_decoder_make( 'GND', 0, True, True, True, 1024) self.variable_ax100_mode6_decoder_0 = variable_ax100_mode6_decoder_0 = satnogs.ax100_decoder_mode6_make( satnogs.crc.CRC32_C, satnogs.whitening_make_ccsds(True), True) self.variable_ax100_mode5_decoder_0 = variable_ax100_mode5_decoder_0 = satnogs.ax100_decoder_mode5_make( [], 0, [0x93, 0x0B, 0x51, 0xDE], 3, satnogs.crc.CRC32_C, satnogs.whitening.make_ccsds(True), True) self.audio_samp_rate = audio_samp_rate = 48000 self.decimation = decimation = max( 4, satnogs.find_decimation(baudrate, 2, audio_samp_rate)) self.available_framings = available_framings = { 'ax25': variable_ax25_decoder_0, 'ax100_mode5': variable_ax100_mode5_decoder_0, 'ax100_mode6': variable_ax100_mode6_decoder_0 } ################################################## # Blocks ################################################## self.soapy_source_0_0 = None # Make sure that the gain mode is valid if (gain_mode not in ['Overall', 'Specific', 'Settings Field']): raise ValueError( "Wrong gain mode on channel 0. Allowed gain modes: " "['Overall', 'Specific', 'Settings Field']") dev = soapy_rx_device # Stream arguments for every activated stream tune_args = [tune_args] settings = [other_settings] # Setup the device arguments dev_args = dev_args self.soapy_source_0_0 = soapy.source(1, dev, dev_args, stream_args, tune_args, settings, samp_rate_rx, "fc32") self.soapy_source_0_0.set_dc_removal( 0, bool(distutils.util.strtobool(dc_removal))) # Set up DC offset. If set to (0, 0) internally the source block # will handle the case if no DC offset correction is supported self.soapy_source_0_0.set_dc_offset(0, 0) # Setup IQ Balance. If set to (0, 0) internally the source block # will handle the case if no IQ balance correction is supported self.soapy_source_0_0.set_iq_balance(0, 0) self.soapy_source_0_0.set_agc(0, False) # generic frequency setting should be specified first self.soapy_source_0_0.set_frequency(0, rx_freq - lo_offset) self.soapy_source_0_0.set_frequency(0, "BB", bb_freq) # Setup Frequency correction. If set to 0 internally the source block # will handle the case if no frequency correction is supported self.soapy_source_0_0.set_frequency_correction(0, ppm) self.soapy_source_0_0.set_antenna(0, antenna) self.soapy_source_0_0.set_bandwidth(0, bw) if (gain_mode != 'Settings Field'): # pass is needed, in case the template does not evaluare anything pass self.soapy_source_0_0.set_gain(0, gain) self.satnogs_waterfall_sink_0 = satnogs.waterfall_sink( baudrate * decimation, rx_freq, 10, 1024, waterfall_file_path, 1) self.satnogs_udp_msg_sink_0_0 = satnogs.udp_msg_sink( udp_IP, udp_port, 1500) self.satnogs_tcp_rigctl_msg_source_0 = satnogs.tcp_rigctl_msg_source( "127.0.0.1", rigctl_port, False, int(1000.0 / doppler_correction_per_sec) + 1, 1500) self.satnogs_ogg_encoder_0 = satnogs.ogg_encoder( file_path, audio_samp_rate, 1.0) self.satnogs_json_converter_0 = satnogs.json_converter() self.satnogs_iq_sink_0 = satnogs.iq_sink(16768, iq_file_path, False, enable_iq_dump) self.satnogs_frame_file_sink_0_1_0 = satnogs.frame_file_sink( decoded_data_file_path, 0) self.satnogs_frame_decoder_0_0 = satnogs.frame_decoder( available_framings[framing], 1 * 1) self.satnogs_doppler_compensation_0 = satnogs.doppler_compensation( samp_rate_rx, rx_freq, lo_offset, baudrate * decimation, 1, 0) self.pfb_arb_resampler_xxx_1 = pfb.arb_resampler_fff( (audio_samp_rate) / (baudrate * 2), taps=None, flt_size=32) self.pfb_arb_resampler_xxx_1.declare_sample_delay(0) self.low_pass_filter_0_0 = filter.fir_filter_ccf( 1, firdes.low_pass(1, baudrate * decimation, baudrate * 1.25, baudrate / 2.0, firdes.WIN_HAMMING, 6.76)) self.low_pass_filter_0 = filter.fir_filter_ccf( decimation // 2, firdes.low_pass(1, baudrate * decimation, 0.625 * baudrate, baudrate / 8.0, firdes.WIN_HAMMING, 6.76)) self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff( 2, 2 * math.pi / 100, 0.5, 0.5 / 8.0, 0.01) self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb() self.dc_blocker_xx_0_0 = filter.dc_blocker_ff(1024, True) self.dc_blocker_xx_0 = filter.dc_blocker_ff(1024, True) self.blocks_vco_c_0 = blocks.vco_c(baudrate * decimation, -baudrate * decimation, 1.0) self.blocks_udp_sink_0_0 = blocks.udp_sink(gr.sizeof_gr_complex * 1, udp_dump_dest, udp_dump_port + 1, 1472, True) self.blocks_udp_sink_0 = blocks.udp_sink(gr.sizeof_short * 1, udp_dump_dest, udp_dump_port, 1472, True) self.blocks_multiply_xx_0 = blocks.multiply_vcc(1) self.blocks_moving_average_xx_0 = blocks.moving_average_ff( 1024, 1.0 / 1024.0, 4096, 1) self.blocks_float_to_short_0 = blocks.float_to_short(1, 16383.0) self.blocks_delay_0 = blocks.delay(gr.sizeof_gr_complex * 1, 1024 // 2) self.analog_quadrature_demod_cf_0_0_0_0 = analog.quadrature_demod_cf( 1.0) self.analog_quadrature_demod_cf_0_0_0 = analog.quadrature_demod_cf(0.9) self.analog_quadrature_demod_cf_0_0 = analog.quadrature_demod_cf(1.2) ################################################## # Connections ################################################## self.msg_connect((self.satnogs_frame_decoder_0_0, 'out'), (self.satnogs_json_converter_0, 'in')) self.msg_connect((self.satnogs_json_converter_0, 'out'), (self.satnogs_frame_file_sink_0_1_0, 'frame')) self.msg_connect((self.satnogs_json_converter_0, 'out'), (self.satnogs_udp_msg_sink_0_0, 'in')) self.msg_connect((self.satnogs_tcp_rigctl_msg_source_0, 'freq'), (self.satnogs_doppler_compensation_0, 'doppler')) self.connect((self.analog_quadrature_demod_cf_0_0, 0), (self.dc_blocker_xx_0, 0)) self.connect((self.analog_quadrature_demod_cf_0_0_0, 0), (self.pfb_arb_resampler_xxx_1, 0)) self.connect((self.analog_quadrature_demod_cf_0_0_0_0, 0), (self.blocks_moving_average_xx_0, 0)) self.connect((self.blocks_delay_0, 0), (self.blocks_multiply_xx_0, 0)) self.connect((self.blocks_float_to_short_0, 0), (self.blocks_udp_sink_0, 0)) self.connect((self.blocks_moving_average_xx_0, 0), (self.blocks_vco_c_0, 0)) self.connect((self.blocks_multiply_xx_0, 0), (self.low_pass_filter_0, 0)) self.connect((self.blocks_vco_c_0, 0), (self.blocks_multiply_xx_0, 1)) self.connect((self.dc_blocker_xx_0, 0), (self.digital_clock_recovery_mm_xx_0, 0)) self.connect((self.dc_blocker_xx_0_0, 0), (self.blocks_float_to_short_0, 0)) self.connect((self.dc_blocker_xx_0_0, 0), (self.satnogs_ogg_encoder_0, 0)) self.connect((self.digital_binary_slicer_fb_0, 0), (self.satnogs_frame_decoder_0_0, 0)) self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.digital_binary_slicer_fb_0, 0)) self.connect((self.low_pass_filter_0, 0), (self.analog_quadrature_demod_cf_0_0, 0)) self.connect((self.low_pass_filter_0, 0), (self.analog_quadrature_demod_cf_0_0_0, 0)) self.connect((self.low_pass_filter_0_0, 0), (self.analog_quadrature_demod_cf_0_0_0_0, 0)) self.connect((self.pfb_arb_resampler_xxx_1, 0), (self.dc_blocker_xx_0_0, 0)) self.connect((self.satnogs_doppler_compensation_0, 0), (self.blocks_delay_0, 0)) self.connect((self.satnogs_doppler_compensation_0, 0), (self.blocks_udp_sink_0_0, 0)) self.connect((self.satnogs_doppler_compensation_0, 0), (self.low_pass_filter_0_0, 0)) self.connect((self.satnogs_doppler_compensation_0, 0), (self.satnogs_iq_sink_0, 0)) self.connect((self.satnogs_doppler_compensation_0, 0), (self.satnogs_waterfall_sink_0, 0)) self.connect((self.soapy_source_0_0, 0), (self.satnogs_doppler_compensation_0, 0))
def __init__(self): grc_wxgui.top_block_gui.__init__(self, title="Keyfob Rx") ################################################## # Variables ################################################## self.sps = sps = 5 self.samp_rate = samp_rate = 48000 ################################################## # Blocks ################################################## self.wxgui_scopesink2_1 = scopesink2.scope_sink_f( self.GetWin(), title="Scope Plot", sample_rate=3400, v_scale=0, v_offset=0, t_scale=0, ac_couple=False, xy_mode=False, num_inputs=1, trig_mode=wxgui.TRIG_MODE_AUTO, y_axis_label="Counts", ) self.Add(self.wxgui_scopesink2_1.win) self.wxgui_scopesink2_0 = scopesink2.scope_sink_f( self.GetWin(), title="Scope Plot", sample_rate=3400 * 5, v_scale=0, v_offset=0, t_scale=0, ac_couple=False, xy_mode=False, num_inputs=1, trig_mode=wxgui.TRIG_MODE_AUTO, y_axis_label="Counts", ) self.Add(self.wxgui_scopesink2_0.win) self.pfb_arb_resampler_xxx_0 = pfb.arb_resampler_fff( 3393.75*sps/1000000.026491, 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(1000000) self.osmosdr_source_0.set_center_freq(434400000, 0) self.osmosdr_source_0.set_freq_corr(0, 0) self.osmosdr_source_0.set_dc_offset_mode(0, 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(2, 0) self.osmosdr_source_0.set_if_gain(0, 0) self.osmosdr_source_0.set_bb_gain(0, 0) self.osmosdr_source_0.set_antenna("", 0) self.osmosdr_source_0.set_bandwidth(0, 0) self.keyfob_parse_packet_0 = keyfob.parse_packet() self.keyfob_manchester_decode_0 = keyfob.manchester_decode() self.digital_correlate_access_code_tag_bb_0 = digital.correlate_access_code_tag_bb("10101000", 0, "packet_start") self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff(sps*(1+0.0), 0.25*0.175*0.175, 0.5, 0.175, 0.05) self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb() self.blocks_sub_xx_0 = blocks.sub_ff(1) self.blocks_moving_average_xx_1 = blocks.moving_average_ff(sps, 1.0/sps, 4000) self.blocks_moving_average_xx_0 = blocks.moving_average_ff(10000, 1.0/10000, 4000) self.blocks_divide_xx_0 = blocks.divide_ff(1) self.blocks_complex_to_mag_0 = blocks.complex_to_mag(1) ################################################## # Connections ################################################## self.connect((self.blocks_complex_to_mag_0, 0), (self.blocks_moving_average_xx_0, 0)) self.connect((self.blocks_complex_to_mag_0, 0), (self.blocks_sub_xx_0, 0)) self.connect((self.blocks_divide_xx_0, 0), (self.pfb_arb_resampler_xxx_0, 0)) self.connect((self.blocks_moving_average_xx_0, 0), (self.blocks_divide_xx_0, 1)) self.connect((self.blocks_moving_average_xx_0, 0), (self.blocks_sub_xx_0, 1)) self.connect((self.blocks_moving_average_xx_1, 0), (self.digital_clock_recovery_mm_xx_0, 0)) self.connect((self.blocks_moving_average_xx_1, 0), (self.wxgui_scopesink2_0, 0)) self.connect((self.blocks_sub_xx_0, 0), (self.blocks_divide_xx_0, 0)) self.connect((self.digital_binary_slicer_fb_0, 0), (self.keyfob_manchester_decode_0, 0)) self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.digital_binary_slicer_fb_0, 0)) self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.wxgui_scopesink2_1, 0)) self.connect((self.digital_correlate_access_code_tag_bb_0, 0), (self.keyfob_parse_packet_0, 0)) self.connect((self.keyfob_manchester_decode_0, 0), (self.digital_correlate_access_code_tag_bb_0, 0)) self.connect((self.osmosdr_source_0, 0), (self.blocks_complex_to_mag_0, 0)) self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.blocks_moving_average_xx_1, 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, "Ham2Mon NBFM Receiver Flow Example") Qt.QWidget.__init__(self) self.setWindowTitle("Ham2Mon NBFM Receiver Flow Example") 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", "nbfm_flow_example") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Variables ################################################## self.samp_rate = samp_rate = 1E6 self.initial_decim = initial_decim = 5 self.samp_ratio = samp_ratio = samp_rate/1E6 self.final_rate = final_rate = samp_rate/initial_decim**2/int(samp_rate/1E6) self.variable_low_pass_filter_taps_2 = variable_low_pass_filter_taps_2 = firdes.low_pass(1.0, final_rate, 3500, 500, firdes.WIN_HAMMING, 6.76) self.variable_low_pass_filter_taps_1 = variable_low_pass_filter_taps_1 = firdes.low_pass(1.0, samp_rate/25, 12.5E3, 1E3, firdes.WIN_HAMMING, 6.76) self.variable_low_pass_filter_taps_0 = variable_low_pass_filter_taps_0 = firdes.low_pass(1.0, 1, 0.090, 0.010, firdes.WIN_HAMMING, 6.76) self.squelch_dB = squelch_dB = -70 self.gain_db = gain_db = 30 self.final_decim = final_decim = int(samp_rate/1E6) self.file_name = file_name = "test.wav" self.fft_length = fft_length = 256 * int(pow(2, np.ceil(np.log(samp_ratio)/np.log(2)))) self.demod_bb_freq = demod_bb_freq = 390E3 self.center_freq = center_freq = 144E6 ################################################## # Blocks ################################################## self._squelch_dB_range = Range(-100, 0, 5, -70, 200) self._squelch_dB_win = RangeWidget(self._squelch_dB_range, self.set_squelch_dB, "Squelch (dB)", "counter_slider", float) self.top_grid_layout.addWidget(self._squelch_dB_win, 5,1,1,3) self._gain_db_range = Range(0, 70, 1, 30, 200) self._gain_db_win = RangeWidget(self._gain_db_range, self.set_gain_db, "HW Gain (dB)", "counter_slider", float) self.top_grid_layout.addWidget(self._gain_db_win, 4,1,1,3) self._demod_bb_freq_range = Range(-samp_rate/2, samp_rate/2, 5E3, 390E3, 200) self._demod_bb_freq_win = RangeWidget(self._demod_bb_freq_range, self.set_demod_bb_freq, "Demod BB Freq (Hz)", "counter_slider", float) self.top_grid_layout.addWidget(self._demod_bb_freq_win, 3,1,1,3) self.qtgui_time_sink_x_0 = qtgui.time_sink_f( fft_length, #size samp_rate, #samp_rate "Averaged Spectrum", #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(-60, 40) self.qtgui_time_sink_x_0.set_y_label("Power", "") 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_grid_layout.addWidget(self._qtgui_time_sink_x_0_win, 0,1,3,1) self.qtgui_freq_sink_x_0_0 = qtgui.freq_sink_c( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc final_rate, #bw "Decimated Channel", #name 1 #number of inputs ) self.qtgui_freq_sink_x_0_0.set_update_time(0.10) self.qtgui_freq_sink_x_0_0.set_y_axis(-200, -60) self.qtgui_freq_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "") self.qtgui_freq_sink_x_0_0.enable_autoscale(False) self.qtgui_freq_sink_x_0_0.enable_grid(False) self.qtgui_freq_sink_x_0_0.set_fft_average(1.0) self.qtgui_freq_sink_x_0_0.enable_control_panel(False) if not True: self.qtgui_freq_sink_x_0_0.disable_legend() if complex == type(float()): self.qtgui_freq_sink_x_0_0.set_plot_pos_half(not True) labels = ["", "", "", "", "", "", "", "", "", ""] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "dark blue"] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.qtgui_freq_sink_x_0_0.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_freq_sink_x_0_0.set_line_label(i, labels[i]) self.qtgui_freq_sink_x_0_0.set_line_width(i, widths[i]) self.qtgui_freq_sink_x_0_0.set_line_color(i, colors[i]) self.qtgui_freq_sink_x_0_0.set_line_alpha(i, alphas[i]) self._qtgui_freq_sink_x_0_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_0_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_0_win, 3,0,3,1) self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c( fft_length, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 144E6, #fc samp_rate, #bw "Spectrum", #name 1 #number of inputs ) self.qtgui_freq_sink_x_0.set_update_time(0.10) self.qtgui_freq_sink_x_0.set_y_axis(-120, -20) self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "") self.qtgui_freq_sink_x_0.enable_autoscale(False) self.qtgui_freq_sink_x_0.enable_grid(False) self.qtgui_freq_sink_x_0.set_fft_average(1.0) self.qtgui_freq_sink_x_0.enable_control_panel(False) if not True: self.qtgui_freq_sink_x_0.disable_legend() if complex == type(float()): self.qtgui_freq_sink_x_0.set_plot_pos_half(not True) labels = ["", "", "", "", "", "", "", "", "", ""] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "dark blue"] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.qtgui_freq_sink_x_0.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_freq_sink_x_0.set_line_label(i, labels[i]) self.qtgui_freq_sink_x_0.set_line_width(i, widths[i]) self.qtgui_freq_sink_x_0.set_line_color(i, colors[i]) self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_freq_sink_x_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win, 0,0,3,1) self.pfb_arb_resampler_xxx_0 = pfb.arb_resampler_fff( 16E3/float(final_rate/5), 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) + " " + "uhd" ) self.osmosdr_source_0.set_sample_rate(samp_rate) self.osmosdr_source_0.set_center_freq(center_freq, 0) self.osmosdr_source_0.set_freq_corr(0, 0) self.osmosdr_source_0.set_dc_offset_mode(0, 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(gain_db, 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(samp_rate*0.8, 0) self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(initial_decim, (variable_low_pass_filter_taps_0), demod_bb_freq, samp_rate) self.fir_filter_xxx_0_1 = filter.fir_filter_fff(initial_decim, (variable_low_pass_filter_taps_0)) self.fir_filter_xxx_0_1.declare_sample_delay(0) self.fir_filter_xxx_0_0 = filter.fir_filter_ccc(int(samp_rate/1E6), (variable_low_pass_filter_taps_0)) self.fir_filter_xxx_0_0.declare_sample_delay(0) self.fir_filter_xxx_0 = filter.fir_filter_ccc(initial_decim, (variable_low_pass_filter_taps_0)) self.fir_filter_xxx_0.declare_sample_delay(0) self.fft_vxx_0 = fft.fft_vcc(fft_length, True, (window.blackmanharris(fft_length)), True, 1) self.blocks_wavfile_sink_0 = blocks.wavfile_sink(file_name, 1, 16000, 8) self.blocks_vector_to_stream_0 = blocks.vector_to_stream(gr.sizeof_float*1, fft_length) self.blocks_stream_to_vector_0 = blocks.stream_to_vector(gr.sizeof_gr_complex*1, fft_length) self.blocks_probe_signal_vx_0 = blocks.probe_signal_vf(fft_length) self.blocks_nlog10_ff_0 = blocks.nlog10_ff(10, fft_length, 0) self.blocks_keep_one_in_n_0 = blocks.keep_one_in_n(gr.sizeof_gr_complex*fft_length, int(round(samp_rate/fft_length/1000))) self.blocks_integrate_xx_0 = blocks.integrate_ff(100, fft_length) self.blocks_complex_to_mag_squared_0 = blocks.complex_to_mag_squared(fft_length) self.audio_sink_0 = audio.sink(16000, "", True) self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(0.050) self.analog_pwr_squelch_xx_0_0 = analog.pwr_squelch_ff(-200, 0.1, 0, True) self.analog_pwr_squelch_xx_0 = analog.pwr_squelch_cc(squelch_dB, 0.1, 0, False) ################################################## # Connections ################################################## self.connect((self.analog_pwr_squelch_xx_0, 0), (self.analog_quadrature_demod_cf_0, 0)) self.connect((self.analog_pwr_squelch_xx_0_0, 0), (self.blocks_wavfile_sink_0, 0)) self.connect((self.analog_quadrature_demod_cf_0, 0), (self.fir_filter_xxx_0_1, 0)) self.connect((self.blocks_complex_to_mag_squared_0, 0), (self.blocks_integrate_xx_0, 0)) self.connect((self.blocks_integrate_xx_0, 0), (self.blocks_nlog10_ff_0, 0)) self.connect((self.blocks_keep_one_in_n_0, 0), (self.fft_vxx_0, 0)) self.connect((self.blocks_nlog10_ff_0, 0), (self.blocks_probe_signal_vx_0, 0)) self.connect((self.blocks_nlog10_ff_0, 0), (self.blocks_vector_to_stream_0, 0)) self.connect((self.blocks_stream_to_vector_0, 0), (self.blocks_keep_one_in_n_0, 0)) self.connect((self.blocks_vector_to_stream_0, 0), (self.qtgui_time_sink_x_0, 0)) self.connect((self.fft_vxx_0, 0), (self.blocks_complex_to_mag_squared_0, 0)) self.connect((self.fir_filter_xxx_0, 0), (self.fir_filter_xxx_0_0, 0)) self.connect((self.fir_filter_xxx_0_0, 0), (self.analog_pwr_squelch_xx_0, 0)) self.connect((self.fir_filter_xxx_0_0, 0), (self.qtgui_freq_sink_x_0_0, 0)) self.connect((self.fir_filter_xxx_0_1, 0), (self.pfb_arb_resampler_xxx_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.fir_filter_xxx_0, 0)) self.connect((self.osmosdr_source_0, 0), (self.blocks_stream_to_vector_0, 0)) self.connect((self.osmosdr_source_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0)) self.connect((self.osmosdr_source_0, 0), (self.qtgui_freq_sink_x_0, 0)) self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.analog_pwr_squelch_xx_0_0, 0)) self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.audio_sink_0, 0))
def __init__(self): grc_wxgui.top_block_gui.__init__(self, title="Keyfob Decode Wav") ################################################## # Variables ################################################## self.sps = sps = 5 self.samp_rate = samp_rate = 48000 ################################################## # Blocks ################################################## self.wxgui_scopesink2_1 = scopesink2.scope_sink_f( self.GetWin(), title="Scope Plot", sample_rate=3400, v_scale=0, v_offset=0, t_scale=0, ac_couple=False, xy_mode=False, num_inputs=1, trig_mode=wxgui.TRIG_MODE_AUTO, y_axis_label="Counts", ) self.Add(self.wxgui_scopesink2_1.win) self.wxgui_scopesink2_0 = scopesink2.scope_sink_f( self.GetWin(), title="Scope Plot", sample_rate=3400 * 5, v_scale=0, v_offset=0, t_scale=0, ac_couple=False, xy_mode=False, num_inputs=1, trig_mode=wxgui.TRIG_MODE_AUTO, y_axis_label="Counts", ) self.Add(self.wxgui_scopesink2_0.win) self.pfb_arb_resampler_xxx_0 = pfb.arb_resampler_fff( 3400.0*sps/48000, taps=None, flt_size=32) self.pfb_arb_resampler_xxx_0.declare_sample_delay(0) self.keyfob_parse_packet_0 = keyfob.parse_packet() self.keyfob_manchester_decode_0 = keyfob.manchester_decode() self.digital_correlate_access_code_tag_bb_0 = digital.correlate_access_code_tag_bb("10101000", 0, "packet_start") self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff(5*(1+0.0), 0.25*0.175*0.175, 0.5, 0.175, 0.05) self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb() self.blocks_wavfile_source_0 = blocks.wavfile_source("../gqrx_20150306_154200_434400000.wav", False) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_float*1, samp_rate*3,True) self.blocks_moving_average_xx_1 = blocks.moving_average_ff(sps, 1, 4000) ################################################## # Connections ################################################## self.connect((self.blocks_moving_average_xx_1, 0), (self.digital_clock_recovery_mm_xx_0, 0)) self.connect((self.blocks_moving_average_xx_1, 0), (self.wxgui_scopesink2_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.pfb_arb_resampler_xxx_0, 0)) self.connect((self.blocks_wavfile_source_0, 0), (self.blocks_throttle_0, 0)) self.connect((self.digital_binary_slicer_fb_0, 0), (self.keyfob_manchester_decode_0, 0)) self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.digital_binary_slicer_fb_0, 0)) self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.wxgui_scopesink2_1, 0)) self.connect((self.digital_correlate_access_code_tag_bb_0, 0), (self.keyfob_parse_packet_0, 0)) self.connect((self.keyfob_manchester_decode_0, 0), (self.digital_correlate_access_code_tag_bb_0, 0)) self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.blocks_moving_average_xx_1, 0))
def __init__(self): gr.top_block.__init__(self, "Ham2Mon Receiver Flow Example") Qt.QWidget.__init__(self) self.setWindowTitle("Ham2Mon Receiver Flow Example") 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", "flow_example") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Variables ################################################## self.samp_rate = samp_rate = 1E6 self.initial_decim = initial_decim = 5 self.samp_ratio = samp_ratio = samp_rate / 1E6 self.final_rate = final_rate = samp_rate / initial_decim**2 / int( samp_rate / 1E6) self.variable_low_pass_filter_taps_2 = variable_low_pass_filter_taps_2 = firdes.low_pass( 1.0, final_rate, 3500, 500, firdes.WIN_HAMMING, 6.76) self.variable_low_pass_filter_taps_1 = variable_low_pass_filter_taps_1 = firdes.low_pass( 1.0, samp_rate / 25, 12.5E3, 1E3, firdes.WIN_HAMMING, 6.76) self.variable_low_pass_filter_taps_0 = variable_low_pass_filter_taps_0 = firdes.low_pass( 1.0, 1, 0.090, 0.010, firdes.WIN_HAMMING, 6.76) self.squelch_dB = squelch_dB = -70 self.gain_db = gain_db = 30 self.final_decim = final_decim = int(samp_rate / 1E6) self.file_name = file_name = "test.wav" self.fft_length = fft_length = 256 * int( pow(2, np.ceil(np.log(samp_ratio) / np.log(2)))) self.demod_bb_freq = demod_bb_freq = 390E3 self.center_freq = center_freq = 144E6 ################################################## # Blocks ################################################## self._squelch_dB_range = Range(-100, 0, 5, -70, 200) self._squelch_dB_win = RangeWidget(self._squelch_dB_range, self.set_squelch_dB, "Squelch (dB)", "counter_slider", float) self.top_grid_layout.addWidget(self._squelch_dB_win, 5, 1, 1, 3) self._gain_db_range = Range(0, 70, 1, 30, 200) self._gain_db_win = RangeWidget(self._gain_db_range, self.set_gain_db, "HW Gain (dB)", "counter_slider", float) self.top_grid_layout.addWidget(self._gain_db_win, 4, 1, 1, 3) self._demod_bb_freq_range = Range(-samp_rate / 2, samp_rate / 2, 5E3, 390E3, 200) self._demod_bb_freq_win = RangeWidget(self._demod_bb_freq_range, self.set_demod_bb_freq, "Demod BB Freq (Hz)", "counter_slider", float) self.top_grid_layout.addWidget(self._demod_bb_freq_win, 3, 1, 1, 3) self.qtgui_time_sink_x_0 = qtgui.time_sink_f( fft_length, #size samp_rate, #samp_rate "Averaged Spectrum", #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(-60, 40) self.qtgui_time_sink_x_0.set_y_label("Power", "") 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_grid_layout.addWidget(self._qtgui_time_sink_x_0_win, 0, 1, 3, 1) self.qtgui_freq_sink_x_0_0 = qtgui.freq_sink_c( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc final_rate, #bw "Decimated Channel", #name 1 #number of inputs ) self.qtgui_freq_sink_x_0_0.set_update_time(0.10) self.qtgui_freq_sink_x_0_0.set_y_axis(-200, -60) self.qtgui_freq_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "") self.qtgui_freq_sink_x_0_0.enable_autoscale(False) self.qtgui_freq_sink_x_0_0.enable_grid(False) self.qtgui_freq_sink_x_0_0.set_fft_average(1.0) self.qtgui_freq_sink_x_0_0.enable_control_panel(False) if not True: self.qtgui_freq_sink_x_0_0.disable_legend() if complex == type(float()): self.qtgui_freq_sink_x_0_0.set_plot_pos_half(not True) labels = ["", "", "", "", "", "", "", "", "", ""] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "dark blue" ] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.qtgui_freq_sink_x_0_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_freq_sink_x_0_0.set_line_label(i, labels[i]) self.qtgui_freq_sink_x_0_0.set_line_width(i, widths[i]) self.qtgui_freq_sink_x_0_0.set_line_color(i, colors[i]) self.qtgui_freq_sink_x_0_0.set_line_alpha(i, alphas[i]) self._qtgui_freq_sink_x_0_0_win = sip.wrapinstance( self.qtgui_freq_sink_x_0_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_0_win, 3, 0, 3, 1) self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c( fft_length, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 144E6, #fc samp_rate, #bw "Spectrum", #name 1 #number of inputs ) self.qtgui_freq_sink_x_0.set_update_time(0.10) self.qtgui_freq_sink_x_0.set_y_axis(-120, -20) self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "") self.qtgui_freq_sink_x_0.enable_autoscale(False) self.qtgui_freq_sink_x_0.enable_grid(False) self.qtgui_freq_sink_x_0.set_fft_average(1.0) self.qtgui_freq_sink_x_0.enable_control_panel(False) if not True: self.qtgui_freq_sink_x_0.disable_legend() if complex == type(float()): self.qtgui_freq_sink_x_0.set_plot_pos_half(not True) labels = ["", "", "", "", "", "", "", "", "", ""] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "dark blue" ] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.qtgui_freq_sink_x_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_freq_sink_x_0.set_line_label(i, labels[i]) self.qtgui_freq_sink_x_0.set_line_width(i, widths[i]) self.qtgui_freq_sink_x_0.set_line_color(i, colors[i]) self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_freq_sink_x_0_win = sip.wrapinstance( self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win, 0, 0, 3, 1) self.pfb_arb_resampler_xxx_0 = pfb.arb_resampler_fff( 16E3 / float(final_rate / 5), 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) + " " + "uhd") self.osmosdr_source_0.set_sample_rate(samp_rate) self.osmosdr_source_0.set_center_freq(center_freq, 0) self.osmosdr_source_0.set_freq_corr(0, 0) self.osmosdr_source_0.set_dc_offset_mode(0, 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(gain_db, 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(samp_rate * 0.8, 0) self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc( initial_decim, (variable_low_pass_filter_taps_0), demod_bb_freq, samp_rate) self.fir_filter_xxx_0_1 = filter.fir_filter_fff( initial_decim, (variable_low_pass_filter_taps_0)) self.fir_filter_xxx_0_1.declare_sample_delay(0) self.fir_filter_xxx_0_0 = filter.fir_filter_ccc( int(samp_rate / 1E6), (variable_low_pass_filter_taps_0)) self.fir_filter_xxx_0_0.declare_sample_delay(0) self.fir_filter_xxx_0 = filter.fir_filter_ccc( initial_decim, (variable_low_pass_filter_taps_0)) self.fir_filter_xxx_0.declare_sample_delay(0) self.fft_vxx_0 = fft.fft_vcc(fft_length, True, (window.blackmanharris(fft_length)), True, 1) self.blocks_wavfile_sink_0 = blocks.wavfile_sink( file_name, 1, 16000, 8) self.blocks_vector_to_stream_0 = blocks.vector_to_stream( gr.sizeof_float * 1, fft_length) self.blocks_stream_to_vector_0 = blocks.stream_to_vector( gr.sizeof_gr_complex * 1, fft_length) self.blocks_probe_signal_vx_0 = blocks.probe_signal_vf(fft_length) self.blocks_nlog10_ff_0 = blocks.nlog10_ff(10, fft_length, 0) self.blocks_keep_one_in_n_0 = blocks.keep_one_in_n( gr.sizeof_gr_complex * fft_length, int(round(samp_rate / fft_length / 1000))) self.blocks_integrate_xx_0 = blocks.integrate_ff(100, fft_length) self.blocks_complex_to_mag_squared_0 = blocks.complex_to_mag_squared( fft_length) self.audio_sink_0 = audio.sink(16000, "", True) self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(0.050) self.analog_pwr_squelch_xx_0_0 = analog.pwr_squelch_ff( -200, 0.1, 0, True) self.analog_pwr_squelch_xx_0 = analog.pwr_squelch_cc( squelch_dB, 0.1, 0, False) ################################################## # Connections ################################################## self.connect((self.analog_pwr_squelch_xx_0, 0), (self.analog_quadrature_demod_cf_0, 0)) self.connect((self.analog_pwr_squelch_xx_0_0, 0), (self.blocks_wavfile_sink_0, 0)) self.connect((self.analog_quadrature_demod_cf_0, 0), (self.fir_filter_xxx_0_1, 0)) self.connect((self.blocks_complex_to_mag_squared_0, 0), (self.blocks_integrate_xx_0, 0)) self.connect((self.blocks_integrate_xx_0, 0), (self.blocks_nlog10_ff_0, 0)) self.connect((self.blocks_keep_one_in_n_0, 0), (self.fft_vxx_0, 0)) self.connect((self.blocks_nlog10_ff_0, 0), (self.blocks_probe_signal_vx_0, 0)) self.connect((self.blocks_nlog10_ff_0, 0), (self.blocks_vector_to_stream_0, 0)) self.connect((self.blocks_stream_to_vector_0, 0), (self.blocks_keep_one_in_n_0, 0)) self.connect((self.blocks_vector_to_stream_0, 0), (self.qtgui_time_sink_x_0, 0)) self.connect((self.fft_vxx_0, 0), (self.blocks_complex_to_mag_squared_0, 0)) self.connect((self.fir_filter_xxx_0, 0), (self.fir_filter_xxx_0_0, 0)) self.connect((self.fir_filter_xxx_0_0, 0), (self.analog_pwr_squelch_xx_0, 0)) self.connect((self.fir_filter_xxx_0_0, 0), (self.qtgui_freq_sink_x_0_0, 0)) self.connect((self.fir_filter_xxx_0_1, 0), (self.pfb_arb_resampler_xxx_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.fir_filter_xxx_0, 0)) self.connect((self.osmosdr_source_0, 0), (self.blocks_stream_to_vector_0, 0)) self.connect((self.osmosdr_source_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0)) self.connect((self.osmosdr_source_0, 0), (self.qtgui_freq_sink_x_0, 0)) self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.analog_pwr_squelch_xx_0_0, 0)) self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.audio_sink_0, 0))
def __init__(self): gr.top_block.__init__(self, "Symbol Differential Filter", catch_exceptions=True) Qt.QWidget.__init__(self) self.setWindowTitle("Symbol Differential Filter") 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", "symbol_differential_filter") 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.sps = sps = 4 self.ntaps = ntaps = 45 self.eb = eb = 0.25 self.samp_rate = samp_rate = 32000 self.rrc_tx = rrc_tx = firdes.root_raised_cosine(sps, sps, 1, eb, sps*ntaps) self.rrc_rx = rrc_rx = firdes.root_raised_cosine(1.0, sps, 1, eb, ntaps) self.rate = rate = 1.2 ################################################## # Blocks ################################################## self.qtgui_time_sink_x_0_0 = qtgui.time_sink_f( 7*sps, #size samp_rate, #samp_rate 'QT GUI Plot', #name 2, #number of inputs None # parent ) self.qtgui_time_sink_x_0_0.set_update_time(0.01) self.qtgui_time_sink_x_0_0.set_y_axis(-0.5, 1.25) 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_NORM, qtgui.TRIG_SLOPE_POS, 0.8, 0.00005*sps, 0, "") self.qtgui_time_sink_x_0_0.enable_autoscale(False) self.qtgui_time_sink_x_0_0.enable_grid(False) self.qtgui_time_sink_x_0_0.enable_axis_labels(True) self.qtgui_time_sink_x_0_0.enable_control_panel(False) self.qtgui_time_sink_x_0_0.enable_stem_plot(False) labels = ['sym0', 'd(sym0)/dt', 'sym1', 'd(sym1)/dt', '', '', '', '', '', 'Signal 10'] widths = [2, 2, 2, 2, 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, 0, 0, 0, -1, -1, -1, -1, -1, -1] for i in range(2): if len(labels[i]) == 0: self.qtgui_time_sink_x_0_0.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_time_sink_x_0_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_0_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_0_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_0_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_0_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_0_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_0_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_0_win, 0, 1, 1, 1) for r in range(0, 1): self.top_grid_layout.setRowStretch(r, 1) for c in range(1, 2): self.top_grid_layout.setColumnStretch(c, 1) self.pfb_arb_resampler_xxx_0_0_1 = pfb.arb_resampler_fff( rate, taps=None, flt_size=32) self.pfb_arb_resampler_xxx_0_0_1.declare_sample_delay(0) self.interp_fir_filter_xxx_0 = filter.interp_fir_filter_fff(sps, rrc_tx) self.interp_fir_filter_xxx_0.declare_sample_delay(0) self.fir_filter_xxx_0_2 = filter.fir_filter_fff(1, [-1, 0, 1]) self.fir_filter_xxx_0_2.declare_sample_delay(0) self.fir_filter_xxx_0 = filter.fir_filter_fff(1, rrc_rx) self.fir_filter_xxx_0.declare_sample_delay(0) self.blocks_vector_source_x_0 = blocks.vector_source_f(49*[0,] + [1,] + 50*[0,], True, 1, []) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_float*1, samp_rate,True) self.blocks_delay_0_0 = blocks.delay(gr.sizeof_float*1, 1) ################################################## # Connections ################################################## self.connect((self.blocks_delay_0_0, 0), (self.qtgui_time_sink_x_0_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.interp_fir_filter_xxx_0, 0)) self.connect((self.blocks_vector_source_x_0, 0), (self.blocks_throttle_0, 0)) self.connect((self.fir_filter_xxx_0, 0), (self.blocks_delay_0_0, 0)) self.connect((self.fir_filter_xxx_0, 0), (self.fir_filter_xxx_0_2, 0)) self.connect((self.fir_filter_xxx_0_2, 0), (self.qtgui_time_sink_x_0_0, 1)) self.connect((self.interp_fir_filter_xxx_0, 0), (self.pfb_arb_resampler_xxx_0_0_1, 0)) self.connect((self.pfb_arb_resampler_xxx_0_0_1, 0), (self.fir_filter_xxx_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): gr.top_block.__init__(self, "Keyfob Decode Wav") Qt.QWidget.__init__(self) self.setWindowTitle("Keyfob Decode Wav") 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", "keyfob_decode_wav") 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.sps = sps = 5 self.samp_rate = samp_rate = 48000 ################################################## # Blocks ################################################## self.qtgui_time_sink_x_1 = qtgui.time_sink_f( 1024, #size 3400, #samp_rate "", #name 1 #number of inputs ) self.qtgui_time_sink_x_1.set_update_time(0.10) self.qtgui_time_sink_x_1.set_y_axis(-1, 1) self.qtgui_time_sink_x_1.set_y_label('Amplitude', "") self.qtgui_time_sink_x_1.enable_tags(True) self.qtgui_time_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_1.enable_autoscale(False) self.qtgui_time_sink_x_1.enable_grid(False) self.qtgui_time_sink_x_1.enable_axis_labels(True) self.qtgui_time_sink_x_1.enable_control_panel(False) self.qtgui_time_sink_x_1.enable_stem_plot(False) 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" ] 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_1.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_time_sink_x_1.set_line_label(i, labels[i]) self.qtgui_time_sink_x_1.set_line_width(i, widths[i]) self.qtgui_time_sink_x_1.set_line_color(i, colors[i]) self.qtgui_time_sink_x_1.set_line_style(i, styles[i]) self.qtgui_time_sink_x_1.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_1.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_1_win = sip.wrapinstance( self.qtgui_time_sink_x_1.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_1_win) self.qtgui_time_sink_x_0 = qtgui.time_sink_f( 1024, #size 3400 * sps, #samp_rate "", #name 1 #number of inputs ) self.qtgui_time_sink_x_0.set_update_time(0.10) self.qtgui_time_sink_x_0.set_y_axis(-1, 1) self.qtgui_time_sink_x_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_0.enable_tags(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 = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "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.pfb_arb_resampler_xxx_0 = pfb.arb_resampler_fff(3400.0 * sps / 48000, taps=None, flt_size=32) self.pfb_arb_resampler_xxx_0.declare_sample_delay(0) self.keyfob_parse_packet_0 = keyfob.parse_packet() self.keyfob_manchester_decode_0 = keyfob.manchester_decode() self.digital_correlate_access_code_tag_xx_0 = digital.correlate_access_code_tag_bb( "10101000", 0, 'packet_start') self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff( 5 * (1 + 0.0), 0.25 * 0.175 * 0.175, 0.5, 0.175, 0.05) self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb() self.blocks_wavfile_source_0 = blocks.wavfile_source( '/home/basti/src/gr-keyfob/gqrx_20150306_154200_434400000.wav', False) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_float * 1, samp_rate * 3, True) self.blocks_moving_average_xx_1 = blocks.moving_average_ff( sps, 1, 4000, 1) ################################################## # Connections ################################################## self.connect((self.blocks_moving_average_xx_1, 0), (self.digital_clock_recovery_mm_xx_0, 0)) self.connect((self.blocks_moving_average_xx_1, 0), (self.qtgui_time_sink_x_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.pfb_arb_resampler_xxx_0, 0)) self.connect((self.blocks_wavfile_source_0, 0), (self.blocks_throttle_0, 0)) self.connect((self.digital_binary_slicer_fb_0, 0), (self.keyfob_manchester_decode_0, 0)) self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.digital_binary_slicer_fb_0, 0)) self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.qtgui_time_sink_x_1, 0)) self.connect((self.digital_correlate_access_code_tag_xx_0, 0), (self.keyfob_parse_packet_0, 0)) self.connect((self.keyfob_manchester_decode_0, 0), (self.digital_correlate_access_code_tag_xx_0, 0)) self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.blocks_moving_average_xx_1, 0))
def __init__(self, samp_rate=4E6, audio_rate=8000, record=True): gr.hier_block2.__init__(self, "TunerDemodNBFM", gr.io_signature(1, 1, gr.sizeof_gr_complex), gr.io_signature(1, 1, gr.sizeof_float)) # Default values self.center_freq = 0 squelch_db = -60 self.quad_demod_gain = 0.050 self.file_name = "/dev/null" self.record = record # Decimation values for four stages of decimation decims = (5, int(samp_rate/1E6)) # Low pass filter taps for decimation by 5 low_pass_filter_taps_0 = \ grfilter.firdes_low_pass(1, 1, 0.090, 0.010, grfilter.firdes.WIN_HAMMING) # Frequency translating FIR filter decimating by 5 self.freq_xlating_fir_filter_ccc = \ grfilter.freq_xlating_fir_filter_ccc(decims[0], low_pass_filter_taps_0, self.center_freq, samp_rate) # FIR filter decimating by 5 fir_filter_ccc_0 = grfilter.fir_filter_ccc(decims[0], low_pass_filter_taps_0) # Low pass filter taps for decimation from samp_rate/25 to 40-79.9 ksps # In other words, decimation by int(samp_rate/1E6) # 12.5 kHz cutoff for NBFM channel bandwidth low_pass_filter_taps_1 = grfilter.firdes_low_pass( 1, samp_rate/decims[0]**2, 12.5E3, 1E3, grfilter.firdes.WIN_HAMMING) # FIR filter decimation by int(samp_rate/1E6) fir_filter_ccc_1 = grfilter.fir_filter_ccc(decims[1], low_pass_filter_taps_1) # Non blocking power squelch self.analog_pwr_squelch_cc = analog.pwr_squelch_cc(squelch_db, 1e-1, 0, False) # Quadrature demod with gain set for decent audio # The gain will be later multiplied by the 0 dB normalized volume self.analog_quadrature_demod_cf = \ analog.quadrature_demod_cf(self.quad_demod_gain) # 3.5 kHz cutoff for audio bandwidth low_pass_filter_taps_2 = grfilter.firdes_low_pass(1,\ samp_rate/(decims[1] * decims[0]**2),\ 3.5E3, 500, grfilter.firdes.WIN_HAMMING) # FIR filter decimating by 5 from 40-79.9 ksps to 8-15.98 ksps fir_filter_fff_0 = grfilter.fir_filter_fff(decims[0], low_pass_filter_taps_2) # Polyphase resampler allows arbitary RF sample rates # Takes 8-15.98 ksps to a constant 8 ksps for audio pfb_resamp = audio_rate/float(samp_rate/(decims[1] * decims[0]**3)) pfb_arb_resampler_fff = pfb.arb_resampler_fff(pfb_resamp, taps=None, flt_size=32) # Connect the blocks for the demod self.connect(self, self.freq_xlating_fir_filter_ccc) self.connect(self.freq_xlating_fir_filter_ccc, fir_filter_ccc_0) self.connect(fir_filter_ccc_0, fir_filter_ccc_1) self.connect(fir_filter_ccc_1, self.analog_pwr_squelch_cc) self.connect(self.analog_pwr_squelch_cc, self.analog_quadrature_demod_cf) self.connect(self.analog_quadrature_demod_cf, fir_filter_fff_0) self.connect(fir_filter_fff_0, pfb_arb_resampler_fff) self.connect(pfb_arb_resampler_fff, self) # Need to set this to a very low value of -200 since it is after demod # Only want it to gate when the previuos squelch has gone to zero analog_pwr_squelch_ff = analog.pwr_squelch_ff(-200, 1e-1, 0, True) # File sink with single channel and 8 bits/sample self.blocks_wavfile_sink = blocks.wavfile_sink(self.file_name, 1, audio_rate, 8) # Connect the blocks for recording self.connect(pfb_arb_resampler_fff, analog_pwr_squelch_ff) self.connect(analog_pwr_squelch_ff, self.blocks_wavfile_sink)
def __init__(self): gr.top_block.__init__(self, "Symbol Sampling Diff") Qt.QWidget.__init__(self) self.setWindowTitle("Symbol Sampling Diff") 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", "symbol_sampling_diff") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Variables ################################################## self.sps = sps = 4 self.ntaps = ntaps = 45 self.eb = eb = 0.25 self.samp_rate = samp_rate = 32000 self.rrc_tx = rrc_tx = firdes.root_raised_cosine( sps, sps, 1, eb, sps * ntaps) self.rrc_rx = rrc_rx = firdes.root_raised_cosine(1, sps, 1, eb, ntaps) self.rate = rate = 1.125 ################################################## # Blocks ################################################## self.qtgui_time_sink_x_0_0 = qtgui.time_sink_f( 27, #size samp_rate, #samp_rate 'QT GUI Plot', #name 4 #number of inputs ) self.qtgui_time_sink_x_0_0.set_update_time(0.01) self.qtgui_time_sink_x_0_0.set_y_axis(-0.5, 1.25) self.qtgui_time_sink_x_0_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_0_0.enable_tags(-1, True) self.qtgui_time_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_NORM, qtgui.TRIG_SLOPE_POS, 0.9, 0.0002, 0, "") self.qtgui_time_sink_x_0_0.enable_autoscale(False) self.qtgui_time_sink_x_0_0.enable_grid(False) self.qtgui_time_sink_x_0_0.enable_axis_labels(True) self.qtgui_time_sink_x_0_0.enable_control_panel(False) self.qtgui_time_sink_x_0_0.enable_stem_plot(False) if not True: self.qtgui_time_sink_x_0_0.disable_legend() labels = [ 'Rx Symbol 1', 'Rx Symbol 2', 'Rx Symbol 3', 'Rx Symbol 4', '', '', '', '', '', '' ] widths = [2, 2, 2, 2, 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 = [0, 0, 0, 0, -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(4): 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, 0, 1, 1, 1) for r in range(0, 1): self.top_grid_layout.setRowStretch(r, 1) for c in range(1, 2): self.top_grid_layout.setColumnStretch(c, 1) self.qtgui_time_sink_x_0 = qtgui.time_sink_f( 27, #size samp_rate, #samp_rate 'QT GUI Plot', #name 4 #number of inputs ) self.qtgui_time_sink_x_0.set_update_time(0.01) self.qtgui_time_sink_x_0.set_y_axis(-0.5, 1.25) 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_NORM, qtgui.TRIG_SLOPE_POS, 0.99, 0.0002, 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 = [ 'Symbol 1', 'Symbol 2', 'Symbol 3', 'Symbol 4', '', '', '', '', '', '' ] widths = [2, 2, 2, 2, 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 = [0, 0, 0, 0, -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(4): 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, 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.pfb_arb_resampler_xxx_0_0_1 = pfb.arb_resampler_fff(rate, taps=None, flt_size=32) self.pfb_arb_resampler_xxx_0_0_1.declare_sample_delay(0) self.pfb_arb_resampler_xxx_0_0_0 = pfb.arb_resampler_fff(rate, taps=None, flt_size=32) self.pfb_arb_resampler_xxx_0_0_0.declare_sample_delay(0) self.pfb_arb_resampler_xxx_0_0 = pfb.arb_resampler_fff(rate, taps=None, flt_size=32) self.pfb_arb_resampler_xxx_0_0.declare_sample_delay(0) self.pfb_arb_resampler_xxx_0 = pfb.arb_resampler_fff(rate, taps=None, flt_size=32) self.pfb_arb_resampler_xxx_0.declare_sample_delay(0) self.interp_fir_filter_xxx_0_1 = filter.interp_fir_filter_fff( sps, (rrc_tx)) self.interp_fir_filter_xxx_0_1.declare_sample_delay(0) self.interp_fir_filter_xxx_0_0_0 = filter.interp_fir_filter_fff( sps, (rrc_tx)) self.interp_fir_filter_xxx_0_0_0.declare_sample_delay(0) self.interp_fir_filter_xxx_0_0 = filter.interp_fir_filter_fff( sps, (rrc_tx)) self.interp_fir_filter_xxx_0_0.declare_sample_delay(0) self.interp_fir_filter_xxx_0 = filter.interp_fir_filter_fff( sps, (rrc_tx)) self.interp_fir_filter_xxx_0.declare_sample_delay(0) self.fir_filter_xxx_0_1 = filter.fir_filter_fff(1, (rrc_rx)) self.fir_filter_xxx_0_1.declare_sample_delay(0) self.fir_filter_xxx_0_0_0 = filter.fir_filter_fff(1, (rrc_rx)) self.fir_filter_xxx_0_0_0.declare_sample_delay(0) self.fir_filter_xxx_0_0 = filter.fir_filter_fff(1, (rrc_rx)) self.fir_filter_xxx_0_0.declare_sample_delay(0) self.fir_filter_xxx_0 = filter.fir_filter_fff(1, (rrc_rx)) self.fir_filter_xxx_0.declare_sample_delay(0) self.blocks_vector_source_x_0_1 = blocks.vector_source_f( 51 * [ 0, ] + [ 1, ] + 48 * [ 0, ], True, 1, []) self.blocks_vector_source_x_0_0_0 = blocks.vector_source_f( 52 * [ 0, ] + [ 1, ] + 47 * [ 0, ], True, 1, []) self.blocks_vector_source_x_0_0 = blocks.vector_source_f( 50 * [ 0, ] + [ 1, ] + 49 * [ 0, ], True, 1, []) self.blocks_vector_source_x_0 = blocks.vector_source_f( 49 * [ 0, ] + [ 1, ] + 50 * [ 0, ], True, 1, []) self.blocks_throttle_0_1 = blocks.throttle(gr.sizeof_float * 1, samp_rate, True) self.blocks_throttle_0_0_0 = blocks.throttle(gr.sizeof_float * 1, samp_rate, True) self.blocks_throttle_0_0 = blocks.throttle(gr.sizeof_float * 1, samp_rate, True) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_float * 1, samp_rate, True) ################################################## # Connections ################################################## self.connect((self.blocks_throttle_0, 0), (self.interp_fir_filter_xxx_0, 0)) self.connect((self.blocks_throttle_0_0, 0), (self.interp_fir_filter_xxx_0_0, 0)) self.connect((self.blocks_throttle_0_0_0, 0), (self.interp_fir_filter_xxx_0_0_0, 0)) self.connect((self.blocks_throttle_0_1, 0), (self.interp_fir_filter_xxx_0_1, 0)) self.connect((self.blocks_vector_source_x_0, 0), (self.blocks_throttle_0, 0)) self.connect((self.blocks_vector_source_x_0_0, 0), (self.blocks_throttle_0_0, 0)) self.connect((self.blocks_vector_source_x_0_0_0, 0), (self.blocks_throttle_0_0_0, 0)) self.connect((self.blocks_vector_source_x_0_1, 0), (self.blocks_throttle_0_1, 0)) self.connect((self.fir_filter_xxx_0, 0), (self.qtgui_time_sink_x_0_0, 0)) self.connect((self.fir_filter_xxx_0_0, 0), (self.qtgui_time_sink_x_0_0, 1)) self.connect((self.fir_filter_xxx_0_0_0, 0), (self.qtgui_time_sink_x_0_0, 3)) self.connect((self.fir_filter_xxx_0_1, 0), (self.qtgui_time_sink_x_0_0, 2)) self.connect((self.interp_fir_filter_xxx_0, 0), (self.pfb_arb_resampler_xxx_0, 0)) self.connect((self.interp_fir_filter_xxx_0, 0), (self.qtgui_time_sink_x_0, 0)) self.connect((self.interp_fir_filter_xxx_0_0, 0), (self.pfb_arb_resampler_xxx_0_0, 0)) self.connect((self.interp_fir_filter_xxx_0_0, 0), (self.qtgui_time_sink_x_0, 1)) self.connect((self.interp_fir_filter_xxx_0_0_0, 0), (self.pfb_arb_resampler_xxx_0_0_1, 0)) self.connect((self.interp_fir_filter_xxx_0_0_0, 0), (self.qtgui_time_sink_x_0, 3)) self.connect((self.interp_fir_filter_xxx_0_1, 0), (self.pfb_arb_resampler_xxx_0_0_0, 0)) self.connect((self.interp_fir_filter_xxx_0_1, 0), (self.qtgui_time_sink_x_0, 2)) self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.fir_filter_xxx_0, 0)) self.connect((self.pfb_arb_resampler_xxx_0_0, 0), (self.fir_filter_xxx_0_0, 0)) self.connect((self.pfb_arb_resampler_xxx_0_0_0, 0), (self.fir_filter_xxx_0_1, 0)) self.connect((self.pfb_arb_resampler_xxx_0_0_1, 0), (self.fir_filter_xxx_0_0_0, 0))
def __init__(self, samp_rate=4E6, audio_rate=8000, record=True): gr.hier_block2.__init__(self, "TunerDemod", gr.io_signature(1, 1, gr.sizeof_gr_complex), gr.io_signature(1, 1, gr.sizeof_float)) # Default values self.center_freq = 0 squelch_db = -60 self.quad_demod_gain = 0.050 self.file_name = "/dev/null" self.record = record # Decimation values for four stages of decimation decims = (5, int(samp_rate / 1E6)) # Low pass filter taps for decimation by 5 low_pass_filter_taps_0 = \ grfilter.firdes_low_pass(1, 1, 0.090, 0.010, grfilter.firdes.WIN_HAMMING) # Frequency translating FIR filter decimating by 5 self.freq_xlating_fir_filter_ccc = \ grfilter.freq_xlating_fir_filter_ccc(decims[0], low_pass_filter_taps_0, self.center_freq, samp_rate) # FIR filter decimating by 5 fir_filter_ccc_0 = grfilter.fir_filter_ccc(decims[0], low_pass_filter_taps_0) # Low pass filter taps for decimation from samp_rate/25 to 40-79.9 ksps # In other words, decimation by int(samp_rate/1E6) # 12.5 kHz cutoff for NBFM channel bandwidth low_pass_filter_taps_1 = grfilter.firdes_low_pass( 1, samp_rate / decims[0]**2, 12.5E3, 1E3, grfilter.firdes.WIN_HAMMING) # FIR filter decimation by int(samp_rate/1E6) fir_filter_ccc_1 = grfilter.fir_filter_ccc(decims[1], low_pass_filter_taps_1) # Non blocking power squelch self.analog_pwr_squelch_cc = analog.pwr_squelch_cc( squelch_db, 1e-1, 0, False) # Quadrature demod with gain set for decent audio # This will be later multiplied by the volume self.analog_quadrature_demod_cf = \ analog.quadrature_demod_cf(self.quad_demod_gain) # 3.5 kHz cutoff for audio bandwidth low_pass_filter_taps_2 = grfilter.firdes_low_pass(1,\ samp_rate/(decims[1] * decims[0]**2),\ 3.5E3, 500, grfilter.firdes.WIN_HAMMING) # FIR filter decimating by 5 from 40-79.9 ksps to 8-15.98 ksps fir_filter_fff_0 = grfilter.fir_filter_fff(decims[0], low_pass_filter_taps_2) # Polyphase resampler allows arbitary RF sample rates # Takes 8-15.98 ksps to a constant 8 ksps for audio pfb_resamp = audio_rate / float(samp_rate / (decims[1] * decims[0]**3)) pfb_arb_resampler_fff = pfb.arb_resampler_fff(pfb_resamp, taps=None, flt_size=32) # Connect the blocks for the demod self.connect(self, self.freq_xlating_fir_filter_ccc) self.connect(self.freq_xlating_fir_filter_ccc, fir_filter_ccc_0) self.connect(fir_filter_ccc_0, fir_filter_ccc_1) self.connect(fir_filter_ccc_1, self.analog_pwr_squelch_cc) self.connect(self.analog_pwr_squelch_cc, self.analog_quadrature_demod_cf) self.connect(self.analog_quadrature_demod_cf, fir_filter_fff_0) self.connect(fir_filter_fff_0, pfb_arb_resampler_fff) self.connect(pfb_arb_resampler_fff, self) # Need to set this to a very low value of -200 since it is after demod # Only want it to gate when the previuos squelch has gone to zero analog_pwr_squelch_ff = analog.pwr_squelch_ff(-200, 1e-1, 0, True) # File sink with single channel and 8 bits/sample self.blocks_wavfile_sink = blocks.wavfile_sink(self.file_name, 1, audio_rate, 8) # Connect the blocks for recording self.connect(pfb_arb_resampler_fff, analog_pwr_squelch_ff) self.connect(analog_pwr_squelch_ff, self.blocks_wavfile_sink)
def __init__(self): gr.top_block.__init__(self, "Fm Channelizer") Qt.QWidget.__init__(self) self.setWindowTitle("Fm Channelizer") 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", "fm_channelizer") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Variables ################################################## self.synth_channels = synth_channels = 6 self.channels = channels = 10 self.ch_rate = ch_rate = 100e3 self.samp_rate = samp_rate = ch_rate * channels self.gain = gain = 20 self.fm_quad_rate = fm_quad_rate = ch_rate * synth_channels self.ch_tb = ch_tb = 20e3 self.ch_bw = ch_bw = ch_rate / 2 self.audio_rate = audio_rate = 60e3 self.atten = atten = 80 self.volume = volume = 0.1 self.tun_gain = tun_gain = gain self.pfb_taps = pfb_taps = firdes.low_pass_2(1, samp_rate, ch_bw, ch_tb, atten, firdes.WIN_BLACKMAN_HARRIS) self.pfb_synth_taps = pfb_synth_taps = firdes.low_pass_2( channels / 2, synth_channels * ch_rate, ch_bw, ch_tb, atten, firdes.WIN_BLACKMAN_HARRIS ) self.freq_corr = freq_corr = 0 self.fm_audio_decim = fm_audio_decim = int(fm_quad_rate / audio_rate) * 2 self.channel = channel = 0 self.center_freq = center_freq = 101.1e6 + 0e3 self.address = address = "" ################################################## # Blocks ################################################## self._volume_layout = Qt.QVBoxLayout() self._volume_tool_bar = Qt.QToolBar(self) self._volume_layout.addWidget(self._volume_tool_bar) self._volume_tool_bar.addWidget(Qt.QLabel("Volume" + ": ")) class qwt_counter_pyslot(Qwt.QwtCounter): def __init__(self, parent=None): Qwt.QwtCounter.__init__(self, parent) @pyqtSlot("double") def setValue(self, value): super(Qwt.QwtCounter, self).setValue(value) self._volume_counter = qwt_counter_pyslot() self._volume_counter.setRange(0, 10, 0.1) self._volume_counter.setNumButtons(2) self._volume_counter.setValue(self.volume) self._volume_tool_bar.addWidget(self._volume_counter) self._volume_counter.valueChanged.connect(self.set_volume) self._volume_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot) self._volume_slider.setRange(0, 10, 0.1) self._volume_slider.setValue(self.volume) self._volume_slider.setMinimumWidth(200) self._volume_slider.valueChanged.connect(self.set_volume) self._volume_layout.addWidget(self._volume_slider) self.top_grid_layout.addLayout(self._volume_layout, 3, 0, 1, 1) self._tun_gain_layout = Qt.QVBoxLayout() self._tun_gain_tool_bar = Qt.QToolBar(self) self._tun_gain_layout.addWidget(self._tun_gain_tool_bar) self._tun_gain_tool_bar.addWidget(Qt.QLabel("Gain (dB)" + ": ")) class qwt_counter_pyslot(Qwt.QwtCounter): def __init__(self, parent=None): Qwt.QwtCounter.__init__(self, parent) @pyqtSlot("double") def setValue(self, value): super(Qwt.QwtCounter, self).setValue(value) self._tun_gain_counter = qwt_counter_pyslot() self._tun_gain_counter.setRange(0, 70, 1) self._tun_gain_counter.setNumButtons(2) self._tun_gain_counter.setValue(self.tun_gain) self._tun_gain_tool_bar.addWidget(self._tun_gain_counter) self._tun_gain_counter.valueChanged.connect(self.set_tun_gain) self._tun_gain_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot) self._tun_gain_slider.setRange(0, 70, 1) self._tun_gain_slider.setValue(self.tun_gain) self._tun_gain_slider.setMinimumWidth(200) self._tun_gain_slider.valueChanged.connect(self.set_tun_gain) self._tun_gain_layout.addWidget(self._tun_gain_slider) self.top_grid_layout.addLayout(self._tun_gain_layout, 2, 1, 1, 1) self._freq_corr_layout = Qt.QVBoxLayout() self._freq_corr_tool_bar = Qt.QToolBar(self) self._freq_corr_layout.addWidget(self._freq_corr_tool_bar) self._freq_corr_tool_bar.addWidget(Qt.QLabel("Frequency Correction" + ": ")) class qwt_counter_pyslot(Qwt.QwtCounter): def __init__(self, parent=None): Qwt.QwtCounter.__init__(self, parent) @pyqtSlot("double") def setValue(self, value): super(Qwt.QwtCounter, self).setValue(value) self._freq_corr_counter = qwt_counter_pyslot() self._freq_corr_counter.setRange(-40e3, 40e3, 100) self._freq_corr_counter.setNumButtons(2) self._freq_corr_counter.setValue(self.freq_corr) self._freq_corr_tool_bar.addWidget(self._freq_corr_counter) self._freq_corr_counter.valueChanged.connect(self.set_freq_corr) self._freq_corr_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot) self._freq_corr_slider.setRange(-40e3, 40e3, 100) self._freq_corr_slider.setValue(self.freq_corr) self._freq_corr_slider.setMinimumWidth(200) self._freq_corr_slider.valueChanged.connect(self.set_freq_corr) self._freq_corr_layout.addWidget(self._freq_corr_slider) self.top_grid_layout.addLayout(self._freq_corr_layout, 3, 1, 1, 1) self.uhd_usrp_source_0 = uhd.usrp_source( ",".join((address, "")), uhd.stream_args(cpu_format="fc32", channels=range(1)) ) self.uhd_usrp_source_0.set_time_now(uhd.time_spec(time.time()), uhd.ALL_MBOARDS) self.uhd_usrp_source_0.set_samp_rate(samp_rate) self.uhd_usrp_source_0.set_center_freq(center_freq + freq_corr, 0) self.uhd_usrp_source_0.set_gain(tun_gain, 0) self.uhd_usrp_source_0.set_antenna("RX2", 0) self.qtgui_freq_sink_x_0_0_0 = qtgui.freq_sink_c( 1024, # size firdes.WIN_FLATTOP, # wintype 0, # fc ch_rate * synth_channels, # bw "QT GUI Plot", # name 1, # number of inputs ) self.qtgui_freq_sink_x_0_0_0.set_update_time(0.10) self.qtgui_freq_sink_x_0_0_0.set_y_axis(-140, 10) self.qtgui_freq_sink_x_0_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "") self.qtgui_freq_sink_x_0_0_0.enable_autoscale(False) self.qtgui_freq_sink_x_0_0_0.enable_grid(False) self.qtgui_freq_sink_x_0_0_0.set_fft_average(1.0) if complex == type(float()): self.qtgui_freq_sink_x_0_0_0.set_plot_pos_half(not True) labels = ["", "", "", "", "", "", "", "", "", ""] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "dark blue"] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.qtgui_freq_sink_x_0_0_0.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_freq_sink_x_0_0_0.set_line_label(i, labels[i]) self.qtgui_freq_sink_x_0_0_0.set_line_width(i, widths[i]) self.qtgui_freq_sink_x_0_0_0.set_line_color(i, colors[i]) self.qtgui_freq_sink_x_0_0_0.set_line_alpha(i, alphas[i]) self._qtgui_freq_sink_x_0_0_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_0_0_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_0_0_win, 1, 1, 1, 1) self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c( 1024, # size firdes.WIN_BLACKMAN_hARRIS, # wintype 0, # fc samp_rate, # bw "QT GUI Plot", # name 1, # number of inputs ) self.qtgui_freq_sink_x_0.set_update_time(0.10) self.qtgui_freq_sink_x_0.set_y_axis(-140, 10) self.qtgui_freq_sink_x_0.set_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) if complex == type(float()): self.qtgui_freq_sink_x_0.set_plot_pos_half(not True) labels = ["", "", "", "", "", "", "", "", "", ""] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "dark blue"] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.qtgui_freq_sink_x_0.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_freq_sink_x_0.set_line_label(i, labels[i]) self.qtgui_freq_sink_x_0.set_line_width(i, widths[i]) self.qtgui_freq_sink_x_0.set_line_color(i, colors[i]) self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_freq_sink_x_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win, 0, 0, 1, 2) self.pfb_synthesizer_ccf_0 = filter.pfb_synthesizer_ccf(synth_channels, (pfb_synth_taps), True) self.pfb_synthesizer_ccf_0.set_channel_map(([10, 11, 0, 1, 2, 3])) self.pfb_synthesizer_ccf_0.declare_sample_delay(0) self.pfb_channelizer_ccf_0 = pfb.channelizer_ccf(channels, (pfb_taps), 2.0, atten) self.pfb_channelizer_ccf_0.set_channel_map(()) self.pfb_channelizer_ccf_0.declare_sample_delay(0) self.pfb_arb_resampler_xxx_0 = pfb.arb_resampler_fff( 44.1e3 / (fm_quad_rate / fm_audio_decim), taps=None, flt_size=32 ) self.pfb_arb_resampler_xxx_0.declare_sample_delay(0) self.fir_filter_xxx_0 = filter.fir_filter_ccc( 2, (firdes.low_pass_2(1, ch_rate * synth_channels, 250e3, 300e3, 40, firdes.WIN_BLACKMAN_HARRIS)) ) self.fir_filter_xxx_0.declare_sample_delay(0) self._channel_layout = Qt.QVBoxLayout() self._channel_tool_bar = Qt.QToolBar(self) self._channel_layout.addWidget(self._channel_tool_bar) self._channel_tool_bar.addWidget(Qt.QLabel("Output Channel" + ": ")) class qwt_counter_pyslot(Qwt.QwtCounter): def __init__(self, parent=None): Qwt.QwtCounter.__init__(self, parent) @pyqtSlot("double") def setValue(self, value): super(Qwt.QwtCounter, self).setValue(value) self._channel_counter = qwt_counter_pyslot() self._channel_counter.setRange(0, channels - 1, 1) self._channel_counter.setNumButtons(2) self._channel_counter.setValue(self.channel) self._channel_tool_bar.addWidget(self._channel_counter) self._channel_counter.valueChanged.connect(self.set_channel) self._channel_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot) self._channel_slider.setRange(0, channels - 1, 1) self._channel_slider.setValue(self.channel) self._channel_slider.setMinimumWidth(200) self._channel_slider.valueChanged.connect(self.set_channel) self._channel_layout.addWidget(self._channel_slider) self.top_grid_layout.addLayout(self._channel_layout, 2, 0, 1, 1) self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_gr_complex * 1) self.blocks_multiply_const_vxx = blocks.multiply_const_vff((volume,)) self.audio_sink = audio.sink(44100, "", True) self.analog_wfm_rcv = analog.wfm_rcv(quad_rate=fm_quad_rate, audio_decimation=fm_audio_decim) self.analog_agc2_xx_0 = analog.agc2_cc(1e-1, 1e-2, 1.0, 1.0) self.analog_agc2_xx_0.set_max_gain(65536) ################################################## # Connections ################################################## self.connect((self.analog_agc2_xx_0, 0), (self.pfb_channelizer_ccf_0, 0)) self.connect((self.analog_agc2_xx_0, 0), (self.qtgui_freq_sink_x_0, 0)) self.connect((self.analog_wfm_rcv, 0), (self.pfb_arb_resampler_xxx_0, 0)) self.connect((self.blocks_multiply_const_vxx, 0), (self.audio_sink, 0)) self.connect((self.fir_filter_xxx_0, 0), (self.analog_wfm_rcv, 0)) self.connect((self.fir_filter_xxx_0, 0), (self.qtgui_freq_sink_x_0_0_0, 0)) self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.blocks_multiply_const_vxx, 0)) self.connect((self.pfb_channelizer_ccf_0, 6), (self.blocks_null_sink_0, 0)) self.connect((self.pfb_channelizer_ccf_0, 7), (self.blocks_null_sink_0, 1)) self.connect((self.pfb_channelizer_ccf_0, 8), (self.blocks_null_sink_0, 2)) self.connect((self.pfb_channelizer_ccf_0, 9), (self.blocks_null_sink_0, 3)) self.connect((self.pfb_channelizer_ccf_0, 0), (self.pfb_synthesizer_ccf_0, 0)) self.connect((self.pfb_channelizer_ccf_0, 1), (self.pfb_synthesizer_ccf_0, 1)) self.connect((self.pfb_channelizer_ccf_0, 2), (self.pfb_synthesizer_ccf_0, 2)) self.connect((self.pfb_channelizer_ccf_0, 3), (self.pfb_synthesizer_ccf_0, 3)) self.connect((self.pfb_channelizer_ccf_0, 4), (self.pfb_synthesizer_ccf_0, 4)) self.connect((self.pfb_channelizer_ccf_0, 5), (self.pfb_synthesizer_ccf_0, 5)) self.connect((self.pfb_synthesizer_ccf_0, 0), (self.fir_filter_xxx_0, 0)) self.connect((self.uhd_usrp_source_0, 0), (self.analog_agc2_xx_0, 0))
def __init__(self): gr.top_block.__init__(self, "Symbol Differential Filter Phases") Qt.QWidget.__init__(self) self.setWindowTitle("Symbol Differential Filter Phases") 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", "symbol_differential_filter_phases") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Variables ################################################## self.sps = sps = 4 self.ntaps = ntaps = 45 self.eb = eb = 0.25 self.samp_rate = samp_rate = 32000 self.rrc_tx = rrc_tx = firdes.root_raised_cosine( sps, sps, 1, eb, sps * ntaps) self.rrc_rx = rrc_rx = firdes.root_raised_cosine( 1.0, sps, 1, eb, ntaps) self.rate = rate = 1.2 ################################################## # Blocks ################################################## self.qtgui_time_sink_x_0_0 = qtgui.time_sink_f( 7 * sps, #size samp_rate, #samp_rate "QT GUI Plot", #name 6 #number of inputs ) self.qtgui_time_sink_x_0_0.set_update_time(0.01) self.qtgui_time_sink_x_0_0.set_y_axis(-0.5, 1.25) self.qtgui_time_sink_x_0_0.set_y_label("Amplitude", "") self.qtgui_time_sink_x_0_0.enable_tags(-1, True) self.qtgui_time_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_NORM, qtgui.TRIG_SLOPE_POS, 0.8, 0.00005 * sps, 0, "") 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_control_panel(False) if not True: self.qtgui_time_sink_x_0_0.disable_legend() labels = [ "sym0", "d(sym0)/dt", "d(sym0)/dt + phi1", "d(sym0)/dt + phi2", "d(sym0)/dt + phi3", "d(sym0)/dt + phi4", "", "", "", "" ] widths = [2, 2, 2, 2, 2, 2, 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 = [0, 0, 0, 0, 0, 0, -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(6): 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, 0, 1, 1, 1) self.pfb_arb_resampler_xxx_0_0_1 = pfb.arb_resampler_fff(rate, taps=None, flt_size=32) self.pfb_arb_resampler_xxx_0_0_1.declare_sample_delay(0) self.interp_fir_filter_xxx_0 = filter.interp_fir_filter_fff( sps, (rrc_tx)) self.interp_fir_filter_xxx_0.declare_sample_delay(0) self.fractional_resampler_xx_0_2 = filter.fractional_resampler_ff( 0 * 1.0 / 5, 1) self.fractional_resampler_xx_0_1_0 = filter.fractional_resampler_ff( 4 * 1.0 / 5, 1) self.fractional_resampler_xx_0_1 = filter.fractional_resampler_ff( 3 * 1.0 / 5, 1) self.fractional_resampler_xx_0_0 = filter.fractional_resampler_ff( 2 * 1.0 / 5, 1) self.fractional_resampler_xx_0 = filter.fractional_resampler_ff( 1 * 1.0 / 5, 1) self.fir_filter_xxx_0_2_0_1_0 = filter.fir_filter_fff( 1, ([0, -1, 0, 1])) self.fir_filter_xxx_0_2_0_1_0.declare_sample_delay(0) self.fir_filter_xxx_0_2_0_1 = filter.fir_filter_fff(1, ([0, -1, 0, 1])) self.fir_filter_xxx_0_2_0_1.declare_sample_delay(0) self.fir_filter_xxx_0_2_0_0 = filter.fir_filter_fff(1, ([0, -1, 0, 1])) self.fir_filter_xxx_0_2_0_0.declare_sample_delay(0) self.fir_filter_xxx_0_2_0 = filter.fir_filter_fff(1, ([0, -1, 0, 1])) self.fir_filter_xxx_0_2_0.declare_sample_delay(0) self.fir_filter_xxx_0_2 = filter.fir_filter_fff(1, ([-1, 0, 1])) self.fir_filter_xxx_0_2.declare_sample_delay(0) self.fir_filter_xxx_0 = filter.fir_filter_fff(1, (rrc_rx)) self.fir_filter_xxx_0.declare_sample_delay(0) self.blocks_vector_source_x_0 = blocks.vector_source_f( 49 * [ 0, ] + [ 1, ] + 50 * [ 0, ], True, 1, []) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_float * 1, samp_rate, True) self.blocks_delay_0_0_4 = blocks.delay(gr.sizeof_float * 1, 1) self.blocks_delay_0_0_3 = blocks.delay(gr.sizeof_float * 1, 1) self.blocks_delay_0_0_2 = blocks.delay(gr.sizeof_float * 1, 1) self.blocks_delay_0_0_1 = blocks.delay(gr.sizeof_float * 1, 1) self.blocks_delay_0_0_0 = blocks.delay(gr.sizeof_float * 1, 1) self.blocks_delay_0_0 = blocks.delay(gr.sizeof_float * 1, 0) ################################################## # Connections ################################################## self.connect((self.blocks_delay_0_0, 0), (self.qtgui_time_sink_x_0_0, 0)) self.connect((self.blocks_delay_0_0_0, 0), (self.qtgui_time_sink_x_0_0, 5)) self.connect((self.blocks_delay_0_0_1, 0), (self.qtgui_time_sink_x_0_0, 4)) self.connect((self.blocks_delay_0_0_2, 0), (self.qtgui_time_sink_x_0_0, 3)) self.connect((self.blocks_delay_0_0_3, 0), (self.qtgui_time_sink_x_0_0, 2)) self.connect((self.blocks_delay_0_0_4, 0), (self.qtgui_time_sink_x_0_0, 1)) self.connect((self.blocks_throttle_0, 0), (self.interp_fir_filter_xxx_0, 0)) self.connect((self.blocks_vector_source_x_0, 0), (self.blocks_throttle_0, 0)) self.connect((self.fir_filter_xxx_0, 0), (self.blocks_delay_0_0, 0)) self.connect((self.fir_filter_xxx_0, 0), (self.fractional_resampler_xx_0, 0)) self.connect((self.fir_filter_xxx_0, 0), (self.fractional_resampler_xx_0_0, 0)) self.connect((self.fir_filter_xxx_0, 0), (self.fractional_resampler_xx_0_1, 0)) self.connect((self.fir_filter_xxx_0, 0), (self.fractional_resampler_xx_0_1_0, 0)) self.connect((self.fir_filter_xxx_0, 0), (self.fractional_resampler_xx_0_2, 0)) self.connect((self.fir_filter_xxx_0_2, 0), (self.blocks_delay_0_0_4, 0)) self.connect((self.fir_filter_xxx_0_2_0, 0), (self.blocks_delay_0_0_3, 0)) self.connect((self.fir_filter_xxx_0_2_0_0, 0), (self.blocks_delay_0_0_2, 0)) self.connect((self.fir_filter_xxx_0_2_0_1, 0), (self.blocks_delay_0_0_1, 0)) self.connect((self.fir_filter_xxx_0_2_0_1_0, 0), (self.blocks_delay_0_0_0, 0)) self.connect((self.fractional_resampler_xx_0, 0), (self.fir_filter_xxx_0_2_0, 0)) self.connect((self.fractional_resampler_xx_0_0, 0), (self.fir_filter_xxx_0_2_0_0, 0)) self.connect((self.fractional_resampler_xx_0_1, 0), (self.fir_filter_xxx_0_2_0_1, 0)) self.connect((self.fractional_resampler_xx_0_1_0, 0), (self.fir_filter_xxx_0_2_0_1_0, 0)) self.connect((self.fractional_resampler_xx_0_2, 0), (self.fir_filter_xxx_0_2, 0)) self.connect((self.interp_fir_filter_xxx_0, 0), (self.pfb_arb_resampler_xxx_0_0_1, 0)) self.connect((self.pfb_arb_resampler_xxx_0_0_1, 0), (self.fir_filter_xxx_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))