def connect_audio_stage(self, input_port): stereo_rate = self.demod_rate normalizer = TWO_PI / stereo_rate pilot_tone = 19000 pilot_low = pilot_tone * 0.98 pilot_high = pilot_tone * 1.02 def make_audio_filter(): return grfilter.fir_filter_fff( stereo_rate // self.__audio_int_rate, # decimation firdes.low_pass(1.0, stereo_rate, 15000, 5000, firdes.WIN_HAMMING)) stereo_pilot_filter = grfilter.fir_filter_fcc( 1, # decimation firdes.complex_band_pass(1.0, stereo_rate, pilot_low, pilot_high, 300)) # TODO magic number from gqrx stereo_pilot_pll = analog.pll_refout_cc( loop_bw=0.001, max_freq=normalizer * pilot_high, min_freq=normalizer * pilot_low) stereo_pilot_doubler = blocks.multiply_cc() stereo_pilot_out = blocks.complex_to_real() difference_channel_mixer = blocks.multiply_ff() difference_channel_filter = make_audio_filter() mono_channel_filter = make_audio_filter() mixL = blocks.add_ff(1) mixR = blocks.sub_ff(1) # connections self.connect(input_port, mono_channel_filter) if self.__decode_stereo: # stereo pilot tone tracker self.connect(input_port, stereo_pilot_filter, stereo_pilot_pll) self.connect(stereo_pilot_pll, (stereo_pilot_doubler, 0)) self.connect(stereo_pilot_pll, (stereo_pilot_doubler, 1)) self.connect(stereo_pilot_doubler, stereo_pilot_out) # pick out stereo left-right difference channel (at stereo_rate) self.connect(input_port, (difference_channel_mixer, 0)) self.connect(stereo_pilot_out, (difference_channel_mixer, 1)) self.connect( difference_channel_mixer, blocks.multiply_const_ff( 50 ), # TODO: Completely empirical fudge factor. This should not be necessary. We're losing signal somewhere? difference_channel_filter) # recover left/right channels (at self.__audio_int_rate) self.connect(difference_channel_filter, (mixL, 1)) self.connect(difference_channel_filter, (mixR, 1)) resamplerL = self._make_resampler((mixL, 0), self.__audio_int_rate) resamplerR = self._make_resampler((mixR, 0), self.__audio_int_rate) self.connect(mono_channel_filter, (mixL, 0)) self.connect(mono_channel_filter, (mixR, 0)) self.connect_audio_output(resamplerL, resamplerR) else: resampler = self._make_resampler(mono_channel_filter, self.__audio_int_rate) self.connect_audio_output(resampler, resampler)
def test_pll_refout_cc(): top = gr.top_block() src = analog.fastnoise_source_c(analog.GR_UNIFORM, math.sqrt(2)) pll = analog.pll_refout_cc(2*math.pi*1e3/300e3, 2*math.pi*200e3/300e3, 2*math.pi*220e3/300) probe = blocks.probe_rate(gr.sizeof_gr_complex) top.connect(src, pll, probe) return top, probe
def connect_audio_stage(self, input_port): stereo_rate = self.demod_rate normalizer = TWO_PI / stereo_rate pilot_tone = 19000 pilot_low = pilot_tone * 0.9 pilot_high = pilot_tone * 1.1 def make_audio_filter(): return grfilter.fir_filter_fff( stereo_rate // self.__audio_int_rate, # decimation firdes.low_pass(1.0, stereo_rate, 15000, 5000, firdes.WIN_HAMMING)) stereo_pilot_filter = grfilter.fir_filter_fcc( 1, # decimation firdes.complex_band_pass(1.0, stereo_rate, pilot_low, pilot_high, 300)) # TODO magic number from gqrx stereo_pilot_pll = analog.pll_refout_cc( 0.001, # TODO magic number from gqrx normalizer * pilot_high, normalizer * pilot_low) stereo_pilot_doubler = blocks.multiply_cc() stereo_pilot_out = blocks.complex_to_imag() difference_channel_mixer = blocks.multiply_ff() difference_channel_filter = make_audio_filter() mono_channel_filter = make_audio_filter() mixL = blocks.add_ff(1) mixR = blocks.sub_ff(1) # connections self.connect(input_port, mono_channel_filter) if self.stereo: # stereo pilot tone tracker self.connect(input_port, stereo_pilot_filter, stereo_pilot_pll) self.connect(stereo_pilot_pll, (stereo_pilot_doubler, 0)) self.connect(stereo_pilot_pll, (stereo_pilot_doubler, 1)) self.connect(stereo_pilot_doubler, stereo_pilot_out) # pick out stereo left-right difference channel (at stereo_rate) self.connect(input_port, (difference_channel_mixer, 0)) self.connect(stereo_pilot_out, (difference_channel_mixer, 1)) self.connect(difference_channel_mixer, difference_channel_filter) # recover left/right channels (at self.__audio_int_rate) self.connect(difference_channel_filter, (mixL, 1)) self.connect(difference_channel_filter, (mixR, 1)) resamplerL = self._make_resampler((mixL, 0), self.__audio_int_rate) resamplerR = self._make_resampler((mixR, 0), self.__audio_int_rate) self.connect(mono_channel_filter, (mixL, 0)) self.connect(mono_channel_filter, (mixR, 0)) self.connect_audio_output(resamplerL, resamplerR) else: resampler = self._make_resampler(mono_channel_filter, self.__audio_int_rate) self.connect_audio_output(resampler, resampler)
def connect_audio_stage(self, input_port): stereo_rate = self.demod_rate normalizer = TWO_PI / stereo_rate pilot_tone = 19000 pilot_low = pilot_tone * 0.9 pilot_high = pilot_tone * 1.1 def make_audio_filter(): return grfilter.fir_filter_fff( stereo_rate // self.__audio_int_rate, # decimation firdes.low_pass(1.0, stereo_rate, 15000, 5000, firdes.WIN_HAMMING), ) stereo_pilot_filter = grfilter.fir_filter_fcc( 1, firdes.complex_band_pass(1.0, stereo_rate, pilot_low, pilot_high, 300) # decimation ) # TODO magic number from gqrx stereo_pilot_pll = analog.pll_refout_cc( 0.001, normalizer * pilot_high, normalizer * pilot_low # TODO magic number from gqrx ) stereo_pilot_doubler = blocks.multiply_cc() stereo_pilot_out = blocks.complex_to_imag() difference_channel_mixer = blocks.multiply_ff() difference_channel_filter = make_audio_filter() mono_channel_filter = make_audio_filter() mixL = blocks.add_ff(1) mixR = blocks.sub_ff(1) # connections self.connect(input_port, mono_channel_filter) if self.stereo: # stereo pilot tone tracker self.connect(input_port, stereo_pilot_filter, stereo_pilot_pll) self.connect(stereo_pilot_pll, (stereo_pilot_doubler, 0)) self.connect(stereo_pilot_pll, (stereo_pilot_doubler, 1)) self.connect(stereo_pilot_doubler, stereo_pilot_out) # pick out stereo left-right difference channel (at stereo_rate) self.connect(input_port, (difference_channel_mixer, 0)) self.connect(stereo_pilot_out, (difference_channel_mixer, 1)) self.connect(difference_channel_mixer, difference_channel_filter) # recover left/right channels (at self.__audio_int_rate) self.connect(difference_channel_filter, (mixL, 1)) self.connect(difference_channel_filter, (mixR, 1)) resamplerL = self._make_resampler((mixL, 0), self.__audio_int_rate) resamplerR = self._make_resampler((mixR, 0), self.__audio_int_rate) self.connect(mono_channel_filter, (mixL, 0)) self.connect(mono_channel_filter, (mixR, 0)) self.connect_audio_output(resamplerL, resamplerR) else: resampler = self._make_resampler(mono_channel_filter, self.__audio_int_rate) self.connect_audio_output(resampler, resampler)
def __init__(self, audio_rate=48000, samp_rate=512e3): gr.hier_block2.__init__( self, "MPX Demodulator", gr.io_signature(1, 1, gr.sizeof_gr_complex*1), gr.io_signaturev(5, 5, [gr.sizeof_char*1, gr.sizeof_char*1, gr.sizeof_float*1, gr.sizeof_float*1, gr.sizeof_gr_complex*1]), ) ################################################## # Parameters ################################################## self.audio_rate = audio_rate self.samp_rate = samp_rate ################################################## # Blocks ################################################## self.rds_demod_0 = rds_demod( samp_rate=samp_rate, ) self.fm_audio_demod_0 = fm_audio_demod( audio_rate=audio_rate, samp_rate=samp_rate, ) self.blocks_multiply_xx_0_0 = blocks.multiply_vcc(1) self.blocks_multiply_xx_0 = blocks.multiply_vcc(1) self.band_pass_filter_0_1 = filter.fir_filter_ccf(1, firdes.band_pass( 1, samp_rate, 19e3-500, 19e3+500, 1e3, firdes.WIN_HAMMING, 6.76)) self.analog_pll_refout_cc_0 = analog.pll_refout_cc(2 * math.pi * 8 / samp_rate, 2 * math.pi * (19000+4) / samp_rate, 2 * math.pi * (19000-4) / samp_rate) ################################################## # Connections ################################################## self.connect((self.analog_pll_refout_cc_0, 0), (self.blocks_multiply_xx_0, 0)) self.connect((self.analog_pll_refout_cc_0, 0), (self.blocks_multiply_xx_0, 1)) self.connect((self.analog_pll_refout_cc_0, 0), (self.blocks_multiply_xx_0_0, 0)) self.connect((self.analog_pll_refout_cc_0, 0), (self.blocks_multiply_xx_0_0, 1)) self.connect((self.analog_pll_refout_cc_0, 0), (self.blocks_multiply_xx_0_0, 2)) self.connect((self.band_pass_filter_0_1, 0), (self.analog_pll_refout_cc_0, 0)) self.connect((self.blocks_multiply_xx_0, 0), (self.fm_audio_demod_0, 1)) self.connect((self.blocks_multiply_xx_0_0, 0), (self.rds_demod_0, 0)) self.connect((self.fm_audio_demod_0, 0), (self, 1)) self.connect((self.fm_audio_demod_0, 1), (self, 2)) self.connect((self.fm_audio_demod_0, 2), (self, 3)) self.connect((self, 0), (self.band_pass_filter_0_1, 0)) self.connect((self, 0), (self.fm_audio_demod_0, 0)) self.connect((self, 0), (self.rds_demod_0, 1)) self.connect((self.rds_demod_0, 0), (self, 0)) self.connect((self.rds_demod_0, 1), (self, 4))
def __init__(self, final_decimation=4, gain=21, pllFreqMax=100, pulse_duration=0.015, pulse_freq=146000000, samp_rate=3e6, wnT=math.pi / 4.0 * 0 + 0.635): gr.hier_block2.__init__( self, "Pulsedetectbase", gr.io_signature(0, 0, 0), gr.io_signaturev(2, 2, [gr.sizeof_float * 1, gr.sizeof_gr_complex * 1]), ) ################################################## # Parameters ################################################## self.final_decimation = final_decimation self.gain = gain self.pllFreqMax = pllFreqMax self.pulse_duration = pulse_duration self.pulse_freq = pulse_freq self.samp_rate = samp_rate self.wnT = wnT ################################################## # Variables ################################################## self.decimate_1 = decimate_1 = 16 self.samp_rate2 = samp_rate2 = samp_rate / decimate_1 self.decimate_2 = decimate_2 = 16 self.samp_rate3 = samp_rate3 = samp_rate2 / decimate_2 self.taps3 = taps3 = firdes.low_pass_2(1.0, samp_rate3, 1.5e3, 0.3e3, 30.0, firdes.WIN_KAISER, 6.76 / 2) self.taps2 = taps2 = firdes.low_pass_2(1.0, samp_rate2, 1.5e3, 16e3 - 1.5e3, 60.0, firdes.WIN_BLACKMAN_HARRIS, 6.76) self.taps1 = taps1 = firdes.low_pass_2(1.0, samp_rate, 1.5e3, 128e3 - 1.5e3, 60.0, firdes.WIN_BLACKMAN_HARRIS, 6.76) self.decimate_3 = decimate_3 = final_decimation self.taps3_len = taps3_len = len(taps3) self.taps2_len = taps2_len = len(taps2) self.taps1_len = taps1_len = len(taps1) self.samp_rate4 = samp_rate4 = samp_rate3 / decimate_3 self.inter_pulse_duration = inter_pulse_duration = 2 self.fmin = fmin = -pllFreqMax self.fmax = fmax = pllFreqMax ################################################## # Blocks ################################################## self.osmosdr_source_0 = osmosdr.source(args="numchan=" + str(1) + " " + 'airspy=0,sensitivity') self.osmosdr_source_0.set_clock_source('gpsdo', 0) self.osmosdr_source_0.set_sample_rate(samp_rate) self.osmosdr_source_0.set_center_freq(pulse_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, 0) self.osmosdr_source_0.set_if_gain(20, 0) self.osmosdr_source_0.set_bb_gain(20, 0) self.osmosdr_source_0.set_antenna('', 0) self.osmosdr_source_0.set_bandwidth(0, 0) self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc( decimate_1, (taps1), 0, samp_rate) self.fir_filter_xxx_0_0_0 = filter.fir_filter_ccf(decimate_3, (taps3)) self.fir_filter_xxx_0_0_0.declare_sample_delay(0) self.fir_filter_xxx_0_0 = filter.fir_filter_ccf(decimate_2, (taps2)) self.fir_filter_xxx_0_0.declare_sample_delay(0) self.blocks_multiply_conjugate_cc_0 = blocks.multiply_conjugate_cc(1) self.blocks_moving_average_xx_0_0 = blocks.moving_average_cc( int(samp_rate4 * pulse_duration), 1, int(samp_rate4 * inter_pulse_duration / 10.0)) self.blocks_complex_to_mag_0_0 = blocks.complex_to_mag(1) self.analog_pll_refout_cc_0 = analog.pll_refout_cc( wnT, math.pi / (samp_rate4 / 2.0) * fmax, math.pi / (samp_rate4 / 2.0) * fmin) ################################################## # Connections ################################################## self.connect((self.analog_pll_refout_cc_0, 0), (self.blocks_multiply_conjugate_cc_0, 1)) self.connect((self.blocks_complex_to_mag_0_0, 0), (self, 0)) self.connect((self.blocks_moving_average_xx_0_0, 0), (self.blocks_complex_to_mag_0_0, 0)) self.connect((self.blocks_multiply_conjugate_cc_0, 0), (self.blocks_moving_average_xx_0_0, 0)) self.connect((self.fir_filter_xxx_0_0, 0), (self.fir_filter_xxx_0_0_0, 0)) self.connect((self.fir_filter_xxx_0_0_0, 0), (self.analog_pll_refout_cc_0, 0)) self.connect((self.fir_filter_xxx_0_0_0, 0), (self.blocks_multiply_conjugate_cc_0, 0)) self.connect((self.fir_filter_xxx_0_0_0, 0), (self, 1)) self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.fir_filter_xxx_0_0, 0)) self.connect((self.osmosdr_source_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
def test_pll_refout(self): expected_result = ((1+0j), (1+6.408735764296125e-10j), (0.9999844431877136+0.005577784031629562j), (0.9998642802238464+0.016474783420562744j), (0.9994739890098572+0.032431427389383316j), (0.9985847473144531+0.05318402871489525j), (0.996917188167572+0.07846084982156754j), (0.9941533207893372+0.10797744989395142j), (0.9899479150772095+0.14143235981464386j), (0.9839394092559814+0.1785029172897339j), (0.9757603406906128+0.2188417762517929j), (0.9650475978851318+0.26207470893859863j), (0.9514514803886414+0.30779871344566345j), (0.9346449971199036+0.35558223724365234j), (0.9143316149711609+0.40496626496315j), (0.8902531862258911+0.4554659426212311j), (0.8621962666511536+0.5065743923187256j), (0.8299974799156189+0.5577671527862549j), (0.7935484647750854+0.6085070967674255j), (0.7527987360954285+0.6582507491111755j), (0.7077582478523254+0.7064547538757324j), (0.6584978699684143+0.7525825500488281j), (0.6051493883132935+0.7961119413375854j), (0.547903835773468+0.8365413546562195j), (0.48700881004333496+0.8733970522880554j), (0.42276495695114136+0.90623939037323j), (0.35552138090133667+0.9346681237220764j), (0.2856702208518982+0.9583280086517334j), (0.21364101767539978+0.976912260055542j), (0.13989387452602386+0.9901664853096008j), (0.06491273641586304+0.9978909492492676j), (-0.01080091018229723+0.9999416470527649j), (-0.08673560619354248+0.9962313771247864j), (-0.16237612068653107+0.9867289662361145j), (-0.23721040785312653+0.9714583158493042j), (-0.3107353150844574+0.95049649477005j), (-0.3824624717235565+0.9239710569381714j), (-0.45192304253578186+0.892056941986084j), (-0.5186731219291687+0.8549726009368896j), (-0.5822963714599609+0.812976598739624j), (-0.6424083709716797+0.7663624882698059j), (-0.6986585855484009+0.7154552340507507j), (-0.7507330775260925+0.6606056690216064j), (-0.7983550429344177+0.6021870970726013j), (-0.841286301612854+0.5405898094177246j), (-0.879327654838562+0.47621726989746094j), (-0.912318229675293+0.4094819128513336j), (-0.9401354789733887+0.340800940990448j), (-0.9626938104629517+0.27059316635131836j), (-0.979943573474884+0.1992751508951187j), (-0.9918696284294128+0.12725839018821716j), (-0.9984893202781677+0.054946307092905045j), (-0.9998509287834167-0.017267409712076187j), (-0.9960314631462097-0.08900183439254761j), (-0.9871346950531006-0.1598907858133316j), (-0.9732890129089355-0.2295832633972168j), (-0.9546451568603516-0.29774588346481323j), (-0.9313743710517883-0.3640628457069397j), (-0.9036663174629211-0.42823725938796997j), (-0.8717266321182251-0.48999255895614624j), (-0.8357754945755005-0.5490713119506836j), (-0.7960456013679504-0.6052366495132446j), (-0.7527803182601929-0.658271849155426j), (-0.706232488155365-0.7079799771308899j), (-0.6566619873046875-0.7541850209236145j), (-0.6043350696563721-0.7967302799224854j), (-0.5495226979255676-0.8354787826538086j), (-0.4924990236759186-0.8703129887580872j), (-0.4335414469242096-0.9011335968971252j), (-0.3729270100593567-0.927860677242279j), (-0.3109343349933624-0.9504314064979553j), (-0.2478405237197876-0.9688008427619934j), (-0.18392162024974823-0.9829409122467041j), (-0.11945075541734695-0.9928401112556458j), (-0.05469784513115883-0.9985029697418213j), (0.010069688782095909-0.9999492764472961j), (0.07459097355604172-0.9972141981124878j), (0.13860897719860077-0.9903472065925598j), (0.2018725872039795-0.979411780834198j), (0.2641367018222809-0.964485228061676j), (0.32516375184059143-0.9456577301025391j), (0.3847236633300781-0.9230318069458008j), (0.44259318709373474-0.8967224955558777j), (0.49855801463127136-0.8668563365936279j), (0.5524120926856995-0.8335711359977722j), (0.6039596796035767-0.7970148921012878j), (0.6530137062072754-0.7573460936546326j), (0.6993972063064575-0.7147331833839417j), (0.7429447770118713-0.6693527102470398j), (0.7835012078285217-0.6213902235031128j), (0.8209227919578552-0.5710391998291016j), (0.8550769090652466-0.5185011625289917j), (0.8858439326286316-0.46398329734802246j), (0.9131162166595459-0.4076994061470032j), (0.936798632144928-0.3498689830303192j), (0.956809401512146-0.2907160222530365j), (0.9730796813964844-0.23046888411045074j), (0.9855544567108154-0.16935895383358002j), (0.9941920042037964-0.10762103646993637j), (0.9989647269248962-0.045491550117731094j)) sampling_freq = 10e3 freq = sampling_freq / 100 loop_bw = math.pi / 100.0 maxf = 1 minf = -1 src = analog.sig_source_c(sampling_freq, analog.GR_COS_WAVE, freq, 1.0) pll = analog.pll_refout_cc(loop_bw, maxf, minf) head = blocks.head(gr.sizeof_gr_complex, int (freq)) dst = blocks.vector_sink_c() self.tb.connect(src, pll, head) self.tb.connect(head, dst) self.tb.run() dst_data = dst.data() self.assertComplexTuplesAlmostEqual(expected_result, dst_data, 4)
def __init__(self): gr.top_block.__init__(self, "FM Radio") Qt.QWidget.__init__(self) self.setWindowTitle("FM Radio") 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_radio") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Variables ################################################## self.valid_gains = valid_gains = [0.0, 0.9, 1.4, 2.7, 3.7, 7.7, 8.7, 12.5, 14.4, 15.7, 16.6, 19.7, 20.7, 22.9, 25.4, 28.0, 29.7, 32.8, 33.8, 36.4, 37.2, 38.6, 40.2, 42.1, 43.4, 43.9, 44.5, 48.0, 49.6] self.samp_rate = samp_rate = 2.048e6 self.baseband_decimation = baseband_decimation = 10 self.rf_gain = rf_gain = len(valid_gains)-1 self.rds_dec = rds_dec = 10 self.pilot_tone = pilot_tone = 19e3 self.baseband_rate = baseband_rate = samp_rate // baseband_decimation self.stereo_subcarrier = stereo_subcarrier = pilot_tone * 2 self.stereo_button = stereo_button = 0 self.slider_volume = slider_volume = 0 self.sdr_gain = sdr_gain = valid_gains[rf_gain] self.rds_symbols_per_bit = rds_symbols_per_bit = 2 self.rds_subcarrier = rds_subcarrier = pilot_tone * 3 self.rds_samp_rate = rds_samp_rate = baseband_rate / rds_dec self.rds_bitrate = rds_bitrate = 1.1875e3 self.rds_bandwidth = rds_bandwidth = 2.83e3 self.fm_station = fm_station = 102.7 self.fm_broadcast_seperation = fm_broadcast_seperation = 0.2 self.fm_broadcast_low = fm_broadcast_low = 87.1 self.fm_broadcast_high = fm_broadcast_high = 107.9 self.audio_rate = audio_rate = 48e3 ################################################## # Blocks ################################################## self.notebook_top = Qt.QTabWidget() self.notebook_top_widget_0 = Qt.QWidget() self.notebook_top_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.notebook_top_widget_0) self.notebook_top_grid_layout_0 = Qt.QGridLayout() self.notebook_top_layout_0.addLayout(self.notebook_top_grid_layout_0) self.notebook_top.addTab(self.notebook_top_widget_0, "RF Receive") self.notebook_top_widget_1 = Qt.QWidget() self.notebook_top_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.notebook_top_widget_1) self.notebook_top_grid_layout_1 = Qt.QGridLayout() self.notebook_top_layout_1.addLayout(self.notebook_top_grid_layout_1) self.notebook_top.addTab(self.notebook_top_widget_1, "Baseband") self.notebook_top_widget_2 = Qt.QWidget() self.notebook_top_layout_2 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.notebook_top_widget_2) self.notebook_top_grid_layout_2 = Qt.QGridLayout() self.notebook_top_layout_2.addLayout(self.notebook_top_grid_layout_2) self.notebook_top.addTab(self.notebook_top_widget_2, "Mono Audio") self.notebook_top_widget_3 = Qt.QWidget() self.notebook_top_layout_3 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.notebook_top_widget_3) self.notebook_top_grid_layout_3 = Qt.QGridLayout() self.notebook_top_layout_3.addLayout(self.notebook_top_grid_layout_3) self.notebook_top.addTab(self.notebook_top_widget_3, "Sub-Carrier Generation") self.notebook_top_widget_4 = Qt.QWidget() self.notebook_top_layout_4 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.notebook_top_widget_4) self.notebook_top_grid_layout_4 = Qt.QGridLayout() self.notebook_top_layout_4.addLayout(self.notebook_top_grid_layout_4) self.notebook_top.addTab(self.notebook_top_widget_4, "Stereo") self.notebook_top_widget_5 = Qt.QWidget() self.notebook_top_layout_5 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.notebook_top_widget_5) self.notebook_top_grid_layout_5 = Qt.QGridLayout() self.notebook_top_layout_5.addLayout(self.notebook_top_grid_layout_5) self.notebook_top.addTab(self.notebook_top_widget_5, "RDS") self.top_grid_layout.addWidget(self.notebook_top, 3, 0, 1, 8) self._slider_volume_range = Range(0, 11.1, 0.1, 0, 100) self._slider_volume_win = RangeWidget(self._slider_volume_range, self.set_slider_volume, 'Volume', "counter_slider", float) self.top_grid_layout.addWidget(self._slider_volume_win, 1, 1, 1, 1) self.notebook_subcarriers = Qt.QTabWidget() self.notebook_subcarriers_widget_0 = Qt.QWidget() self.notebook_subcarriers_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.notebook_subcarriers_widget_0) self.notebook_subcarriers_grid_layout_0 = Qt.QGridLayout() self.notebook_subcarriers_layout_0.addLayout(self.notebook_subcarriers_grid_layout_0) self.notebook_subcarriers.addTab(self.notebook_subcarriers_widget_0, "Pilot Signal") self.notebook_subcarriers_widget_1 = Qt.QWidget() self.notebook_subcarriers_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.notebook_subcarriers_widget_1) self.notebook_subcarriers_grid_layout_1 = Qt.QGridLayout() self.notebook_subcarriers_layout_1.addLayout(self.notebook_subcarriers_grid_layout_1) self.notebook_subcarriers.addTab(self.notebook_subcarriers_widget_1, "Spectrum") self.notebook_top_grid_layout_3.addWidget(self.notebook_subcarriers, 0, 0, 1, 1) self.notebook_rds = Qt.QTabWidget() self.notebook_rds_widget_0 = Qt.QWidget() self.notebook_rds_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.notebook_rds_widget_0) self.notebook_rds_grid_layout_0 = Qt.QGridLayout() self.notebook_rds_layout_0.addLayout(self.notebook_rds_grid_layout_0) self.notebook_rds.addTab(self.notebook_rds_widget_0, "RDS Signal") self.notebook_rds_widget_1 = Qt.QWidget() self.notebook_rds_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.notebook_rds_widget_1) self.notebook_rds_grid_layout_1 = Qt.QGridLayout() self.notebook_rds_layout_1.addLayout(self.notebook_rds_grid_layout_1) self.notebook_rds.addTab(self.notebook_rds_widget_1, "RDS Bitstream") self.notebook_top_grid_layout_5.addWidget(self.notebook_rds, 0, 0, 1, 1) self._fm_station_range = Range(fm_broadcast_low, fm_broadcast_high, fm_broadcast_seperation, 102.7, 200) self._fm_station_win = RangeWidget(self._fm_station_range, self.set_fm_station, "FM Station", "counter_slider", float) self.top_grid_layout.addWidget(self._fm_station_win, 0, 0, 1, 8) self._stereo_button_options = (0, 1, ) self._stereo_button_labels = ("Mono", "Stereo", ) self._stereo_button_tool_bar = Qt.QToolBar(self) self._stereo_button_tool_bar.addWidget(Qt.QLabel("Audio Output"+": ")) self._stereo_button_combo_box = Qt.QComboBox() self._stereo_button_tool_bar.addWidget(self._stereo_button_combo_box) for label in self._stereo_button_labels: self._stereo_button_combo_box.addItem(label) self._stereo_button_callback = lambda i: Qt.QMetaObject.invokeMethod(self._stereo_button_combo_box, "setCurrentIndex", Qt.Q_ARG("int", self._stereo_button_options.index(i))) self._stereo_button_callback(self.stereo_button) self._stereo_button_combo_box.currentIndexChanged.connect( lambda i: self.set_stereo_button(self._stereo_button_options[i])) self.top_grid_layout.addWidget(self._stereo_button_tool_bar, 1, 2, 1, 1) self.rtlsdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + "" ) self.rtlsdr_source_0.set_sample_rate(samp_rate) self.rtlsdr_source_0.set_center_freq(fm_station * 1e6, 0) self.rtlsdr_source_0.set_freq_corr(14, 0) self.rtlsdr_source_0.set_dc_offset_mode(2, 0) self.rtlsdr_source_0.set_iq_balance_mode(0, 0) self.rtlsdr_source_0.set_gain_mode(False, 0) self.rtlsdr_source_0.set_gain(sdr_gain, 0) self.rtlsdr_source_0.set_if_gain(0, 0) self.rtlsdr_source_0.set_bb_gain(0, 0) self.rtlsdr_source_0.set_antenna("", 0) self.rtlsdr_source_0.set_bandwidth(0, 0) self.root_raised_cosine_filter_0 = filter.fir_filter_ccf(1, firdes.root_raised_cosine( 2, rds_samp_rate, rds_bitrate * rds_symbols_per_bit, 0.275, 16)) self._rf_gain_range = Range(0, len(valid_gains)-1, 1, len(valid_gains)-1, 200) self._rf_gain_win = RangeWidget(self._rf_gain_range, self.set_rf_gain, "RF Gain", "counter_slider", int) self.top_grid_layout.addWidget(self._rf_gain_win, 1, 0, 1, 1) self.rds_qt_panel_0 = self.rds_qt_panel_0 = rds.qt_panel() self.notebook_top_layout_5.addWidget(self.rds_qt_panel_0) self.rational_resampler_xxx_0_0_0_1 = filter.rational_resampler_fff( interpolation=int(audio_rate), decimation=int(baseband_rate), taps=None, fractional_bw=None, ) self.rational_resampler_xxx_0_0_0_0 = filter.rational_resampler_fff( interpolation=int(audio_rate), decimation=int(baseband_rate), taps=None, fractional_bw=None, ) self.rational_resampler_xxx_0_0_0 = filter.rational_resampler_fff( interpolation=int(audio_rate), decimation=int(baseband_rate), taps=None, fractional_bw=None, ) self.qtgui_time_sink_x_1 = qtgui.time_sink_f( 1024, #size samp_rate, #samp_rate "RBDS Bit Stream", #name 2 #number of inputs ) self.qtgui_time_sink_x_1.set_update_time(0.10) self.qtgui_time_sink_x_1.set_y_axis(-1.7, 1.7) self.qtgui_time_sink_x_1.set_y_label("Amplitude", "") self.qtgui_time_sink_x_1.enable_tags(-1, False) 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(True) self.qtgui_time_sink_x_1.enable_control_panel(False) if not True: self.qtgui_time_sink_x_1.disable_legend() labels = ["Raw Bit Stream", "Differential Decoded", "", "", "", "", "", "", "", ""] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "blue"] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(2): 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.notebook_rds_layout_1.addWidget(self._qtgui_time_sink_x_1_win) self.qtgui_time_sink_x_0 = qtgui.time_sink_f( 1024, #size baseband_rate, #samp_rate "19 KHz Pilot 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(-1.5, 1.5) self.qtgui_time_sink_x_0.set_y_label("Amplitude", "counts") self.qtgui_time_sink_x_0.enable_tags(-1, False) 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 False: 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.notebook_subcarriers_grid_layout_0.addWidget(self._qtgui_time_sink_x_0_win, 0, 1, 1, 1) self.qtgui_freq_sink_x_1 = qtgui.freq_sink_c( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc rds_samp_rate, #bw "RDS Subcarrier Signal (DSB-SSC)", #name 2 #number of inputs ) self.qtgui_freq_sink_x_1.set_update_time(0.10) self.qtgui_freq_sink_x_1.set_y_axis(-100, 0) self.qtgui_freq_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "") self.qtgui_freq_sink_x_1.enable_autoscale(False) self.qtgui_freq_sink_x_1.enable_grid(False) self.qtgui_freq_sink_x_1.set_fft_average(1.0) self.qtgui_freq_sink_x_1.enable_control_panel(False) if not False: self.qtgui_freq_sink_x_1.disable_legend() if complex == type(float()): self.qtgui_freq_sink_x_1.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(2): if len(labels[i]) == 0: self.qtgui_freq_sink_x_1.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_freq_sink_x_1.set_line_label(i, labels[i]) self.qtgui_freq_sink_x_1.set_line_width(i, widths[i]) self.qtgui_freq_sink_x_1.set_line_color(i, colors[i]) self.qtgui_freq_sink_x_1.set_line_alpha(i, alphas[i]) self._qtgui_freq_sink_x_1_win = sip.wrapinstance(self.qtgui_freq_sink_x_1.pyqwidget(), Qt.QWidget) self.notebook_rds_grid_layout_0 .addWidget(self._qtgui_freq_sink_x_1_win, 0, 0, 1, 1) self.qtgui_freq_sink_x_0_1_0_1_0 = qtgui.freq_sink_f( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc audio_rate, #bw "Stereo Audio Left", #name 2 #number of inputs ) self.qtgui_freq_sink_x_0_1_0_1_0.set_update_time(0.10) self.qtgui_freq_sink_x_0_1_0_1_0.set_y_axis(-100, -30) self.qtgui_freq_sink_x_0_1_0_1_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "") self.qtgui_freq_sink_x_0_1_0_1_0.enable_autoscale(False) self.qtgui_freq_sink_x_0_1_0_1_0.enable_grid(False) self.qtgui_freq_sink_x_0_1_0_1_0.set_fft_average(0.1) self.qtgui_freq_sink_x_0_1_0_1_0.enable_control_panel(False) if not False: self.qtgui_freq_sink_x_0_1_0_1_0.disable_legend() if float == type(float()): self.qtgui_freq_sink_x_0_1_0_1_0.set_plot_pos_half(not False) labels = ["Stereo Left", "Stereo Right", "", "", "", "", "", "", "", ""] 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(2): if len(labels[i]) == 0: self.qtgui_freq_sink_x_0_1_0_1_0.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_freq_sink_x_0_1_0_1_0.set_line_label(i, labels[i]) self.qtgui_freq_sink_x_0_1_0_1_0.set_line_width(i, widths[i]) self.qtgui_freq_sink_x_0_1_0_1_0.set_line_color(i, colors[i]) self.qtgui_freq_sink_x_0_1_0_1_0.set_line_alpha(i, alphas[i]) self._qtgui_freq_sink_x_0_1_0_1_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_0_1_0_1_0.pyqwidget(), Qt.QWidget) self.notebook_top_grid_layout_4.addWidget(self._qtgui_freq_sink_x_0_1_0_1_0_win, 0, 0, 1, 1) self.qtgui_freq_sink_x_0_1_0_1 = qtgui.freq_sink_f( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc audio_rate, #bw "Stereo Audio Right", #name 2 #number of inputs ) self.qtgui_freq_sink_x_0_1_0_1.set_update_time(0.10) self.qtgui_freq_sink_x_0_1_0_1.set_y_axis(-100, -30) self.qtgui_freq_sink_x_0_1_0_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "") self.qtgui_freq_sink_x_0_1_0_1.enable_autoscale(False) self.qtgui_freq_sink_x_0_1_0_1.enable_grid(False) self.qtgui_freq_sink_x_0_1_0_1.set_fft_average(0.1) self.qtgui_freq_sink_x_0_1_0_1.enable_control_panel(False) if not False: self.qtgui_freq_sink_x_0_1_0_1.disable_legend() if float == type(float()): self.qtgui_freq_sink_x_0_1_0_1.set_plot_pos_half(not False) labels = ["Stereo Right", "Stereo Right", "", "", "", "", "", "", "", ""] 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(2): if len(labels[i]) == 0: self.qtgui_freq_sink_x_0_1_0_1.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_freq_sink_x_0_1_0_1.set_line_label(i, labels[i]) self.qtgui_freq_sink_x_0_1_0_1.set_line_width(i, widths[i]) self.qtgui_freq_sink_x_0_1_0_1.set_line_color(i, colors[i]) self.qtgui_freq_sink_x_0_1_0_1.set_line_alpha(i, alphas[i]) self._qtgui_freq_sink_x_0_1_0_1_win = sip.wrapinstance(self.qtgui_freq_sink_x_0_1_0_1.pyqwidget(), Qt.QWidget) self.notebook_top_grid_layout_4.addWidget(self._qtgui_freq_sink_x_0_1_0_1_win, 0, 1, 1, 1) self.qtgui_freq_sink_x_0_1_0_0 = qtgui.freq_sink_f( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc baseband_rate, #bw "Pilot & Stereo Carrier", #name 2 #number of inputs ) self.qtgui_freq_sink_x_0_1_0_0.set_update_time(0.10) self.qtgui_freq_sink_x_0_1_0_0.set_y_axis(-80, 0) self.qtgui_freq_sink_x_0_1_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "") self.qtgui_freq_sink_x_0_1_0_0.enable_autoscale(False) self.qtgui_freq_sink_x_0_1_0_0.enable_grid(False) self.qtgui_freq_sink_x_0_1_0_0.set_fft_average(0.1) self.qtgui_freq_sink_x_0_1_0_0.enable_control_panel(False) if not True: self.qtgui_freq_sink_x_0_1_0_0.disable_legend() if float == type(float()): self.qtgui_freq_sink_x_0_1_0_0.set_plot_pos_half(not False) labels = ["Pilot Tone", "Stereo Carrier", "RDS Carrier", "", "", "", "", "", "", ""] 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(2): if len(labels[i]) == 0: self.qtgui_freq_sink_x_0_1_0_0.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_freq_sink_x_0_1_0_0.set_line_label(i, labels[i]) self.qtgui_freq_sink_x_0_1_0_0.set_line_width(i, widths[i]) self.qtgui_freq_sink_x_0_1_0_0.set_line_color(i, colors[i]) self.qtgui_freq_sink_x_0_1_0_0.set_line_alpha(i, alphas[i]) self._qtgui_freq_sink_x_0_1_0_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_0_1_0_0.pyqwidget(), Qt.QWidget) self.notebook_subcarriers_grid_layout_1.addWidget(self._qtgui_freq_sink_x_0_1_0_0_win, 0, 0, 1, 1) self.qtgui_freq_sink_x_0_0_0 = qtgui.freq_sink_f( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc audio_rate, #bw "Mono Audio (L+R)", #name 2 #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(-100, -30) 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(0.2) self.qtgui_freq_sink_x_0_0_0.enable_control_panel(False) if not False: self.qtgui_freq_sink_x_0_0_0.disable_legend() if float == type(float()): self.qtgui_freq_sink_x_0_0_0.set_plot_pos_half(not 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 xrange(2): 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.notebook_top_grid_layout_2.addWidget(self._qtgui_freq_sink_x_0_0_0_win, 1, 0, 1, 5) self.qtgui_freq_sink_x_0_0 = qtgui.freq_sink_f( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc baseband_rate, #bw "FM Baseband", #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(-100, -30) 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(0.1) self.qtgui_freq_sink_x_0_0.enable_control_panel(False) if not False: self.qtgui_freq_sink_x_0_0.disable_legend() if float == type(float()): self.qtgui_freq_sink_x_0_0.set_plot_pos_half(not 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 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.notebook_top_grid_layout_1.addWidget(self._qtgui_freq_sink_x_0_0_win, 0, 1, 1, 1) self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype fm_station * 1e6, #fc samp_rate, #bw "RF Frequency", #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(-90, 0) 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(0.1) self.qtgui_freq_sink_x_0.enable_control_panel(False) if not False: 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.notebook_top_grid_layout_0.addWidget(self._qtgui_freq_sink_x_0_win, 0, 1, 1, 1) self.qtgui_const_sink_x_0 = qtgui.const_sink_c( 1024, #size "RDS BPSK Constellation", #name 1 #number of inputs ) self.qtgui_const_sink_x_0.set_update_time(0.10) self.qtgui_const_sink_x_0.set_y_axis(-1.6, 1.6) self.qtgui_const_sink_x_0.set_x_axis(-1.6, 1.6) self.qtgui_const_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.qtgui_const_sink_x_0.enable_autoscale(False) self.qtgui_const_sink_x_0.enable_grid(True) if not False: self.qtgui_const_sink_x_0.disable_legend() labels = ["RBDS BPSK", "", "", "", "", "", "", "", "", ""] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "red", "red", "red", "red", "red", "red", "red", "red"] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.qtgui_const_sink_x_0.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_const_sink_x_0.set_line_label(i, labels[i]) self.qtgui_const_sink_x_0.set_line_width(i, widths[i]) self.qtgui_const_sink_x_0.set_line_color(i, colors[i]) self.qtgui_const_sink_x_0.set_line_style(i, styles[i]) self.qtgui_const_sink_x_0.set_line_marker(i, markers[i]) self.qtgui_const_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_const_sink_x_0_win = sip.wrapinstance(self.qtgui_const_sink_x_0.pyqwidget(), Qt.QWidget) self.notebook_rds_grid_layout_0.addWidget(self._qtgui_const_sink_x_0_win, 0, 1, 1, 1) self.low_pass_filter_4 = filter.fir_filter_fff(1, firdes.low_pass( 1, baseband_rate, 60e3, 1e3, firdes.WIN_HAMMING, 6.76)) self.low_pass_filter_2 = filter.fir_filter_fff(1, firdes.low_pass( 1, baseband_rate, 16e3, 1e3, firdes.WIN_HAMMING, 6.76)) self.low_pass_filter_1 = filter.fir_filter_fff(1, firdes.low_pass( 10, baseband_rate, 15e3, 3e3, firdes.WIN_HAMMING, 6.76)) self.low_pass_filter_0 = filter.fir_filter_ccf(baseband_decimation, firdes.low_pass( 1, samp_rate, 75e3, 1e3, firdes.WIN_HAMMING, 6.76)) self.gr_rds_parser_0 = rds.parser(False, False, 1) self.gr_rds_decoder_0 = rds.decoder(False, False) self.freq_xlating_fir_filter_xxx_1 = filter.freq_xlating_fir_filter_fcc(rds_dec, (firdes.low_pass(2500,baseband_rate,rds_bandwidth,1e3,firdes.WIN_HAMMING)), rds_subcarrier, baseband_rate) self.digital_mpsk_receiver_cc_0 = digital.mpsk_receiver_cc(2, 0, (2 * cmath.pi) / 100, -0.00006, 0.00006, 0.5, 0.05, rds_samp_rate / (rds_bitrate * 2), ((rds_samp_rate / (rds_bitrate * 2)) ** 2)/ 4, 0.005) self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(2) self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb() self.blocks_uchar_to_float_0_0 = blocks.uchar_to_float() self.blocks_uchar_to_float_0 = blocks.uchar_to_float() self.blocks_sub_xx_0 = blocks.sub_ff(1) self.blocks_multiply_xx_1 = blocks.multiply_vff(1) self.blocks_multiply_xx_0 = blocks.multiply_vff(1) self.blocks_multiply_const_vxx_1_0_1_0_1 = blocks.multiply_const_vff((11, )) self.blocks_multiply_const_vxx_1_0_1_0_0 = blocks.multiply_const_vff((11, )) self.blocks_multiply_const_vxx_1_0_1_0 = blocks.multiply_const_vff((11, )) self.blocks_multiply_const_vxx_1_0_1 = blocks.multiply_const_vff((slider_volume, )) self.blocks_multiply_const_vxx_1_0_0 = blocks.multiply_const_vff((slider_volume, )) self.blocks_multiply_const_vxx_1_0 = blocks.multiply_const_vff((slider_volume, )) self.blocks_keep_one_in_n_0 = blocks.keep_one_in_n(gr.sizeof_char*1, 2) self.blocks_complex_to_real_1 = blocks.complex_to_real(1) self.blocks_complex_to_real_0 = blocks.complex_to_real(1) self.blocks_add_xx_0 = blocks.add_vff(1) self.blocks_add_const_vxx_0_0 = blocks.add_const_vff((0.5, )) self.blocks_add_const_vxx_0 = blocks.add_const_vff((-1.5, )) self.blks2_selector_0_0 = grc_blks2.selector( item_size=gr.sizeof_float*1, num_inputs=2, num_outputs=1, input_index=0, output_index=0, ) self.blks2_selector_0 = grc_blks2.selector( item_size=gr.sizeof_float*1, num_inputs=2, num_outputs=1, input_index=0, output_index=0, ) self.band_pass_filter_1 = filter.fir_filter_fff(1, firdes.band_pass( 1, baseband_rate, stereo_subcarrier - 0.5e3, stereo_subcarrier + 0.5e3, 0.5e3, firdes.WIN_HAMMING, 6.76)) self.band_pass_filter_0_0 = filter.fir_filter_fff(1, firdes.band_pass( 1, baseband_rate, 23e3, 53e3, 1e3, firdes.WIN_HAMMING, 6.76)) self.band_pass_filter_0 = filter.fir_filter_fcc(1, firdes.complex_band_pass( 1, baseband_rate, pilot_tone - 0.5e3, pilot_tone+0.5e3, 1e3, firdes.WIN_HAMMING, 6.76)) self.audio_sink_0 = audio.sink(48000, "", True) self.analog_wfm_rcv_0 = analog.wfm_rcv( quad_rate=baseband_rate, audio_decimation=1, ) self.analog_pll_refout_cc_0 = analog.pll_refout_cc(1e-3, 2 * cmath.pi * (19000+200) / baseband_rate, 2 * cmath.pi * (19000-200) / baseband_rate) self.analog_fm_deemph_0_0_0_1 = analog.fm_deemph(fs=baseband_rate, tau=75e-6) self.analog_fm_deemph_0_0_0_0 = analog.fm_deemph(fs=baseband_rate, tau=75e-6) self.analog_fm_deemph_0_0_0 = analog.fm_deemph(fs=baseband_rate, 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.rds_qt_panel_0, 'in')) self.connect((self.analog_fm_deemph_0_0_0, 0), (self.rational_resampler_xxx_0_0_0, 0)) self.connect((self.analog_fm_deemph_0_0_0_0, 0), (self.rational_resampler_xxx_0_0_0_0, 0)) self.connect((self.analog_fm_deemph_0_0_0_1, 0), (self.rational_resampler_xxx_0_0_0_1, 0)) self.connect((self.analog_pll_refout_cc_0, 0), (self.blocks_complex_to_real_1, 0)) self.connect((self.analog_wfm_rcv_0, 0), (self.low_pass_filter_4, 0)) self.connect((self.band_pass_filter_0, 0), (self.analog_pll_refout_cc_0, 0)) self.connect((self.band_pass_filter_0_0, 0), (self.blocks_multiply_xx_1, 1)) self.connect((self.band_pass_filter_1, 0), (self.blocks_multiply_xx_1, 0)) self.connect((self.band_pass_filter_1, 0), (self.qtgui_freq_sink_x_0_1_0_0, 1)) self.connect((self.blks2_selector_0, 0), (self.audio_sink_0, 0)) self.connect((self.blks2_selector_0_0, 0), (self.audio_sink_0, 1)) self.connect((self.blocks_add_const_vxx_0, 0), (self.qtgui_time_sink_x_1, 1)) self.connect((self.blocks_add_const_vxx_0_0, 0), (self.qtgui_time_sink_x_1, 0)) self.connect((self.blocks_add_xx_0, 0), (self.analog_fm_deemph_0_0_0_0, 0)) self.connect((self.blocks_complex_to_real_0, 0), (self.digital_binary_slicer_fb_0, 0)) self.connect((self.blocks_complex_to_real_1, 0), (self.blocks_multiply_xx_0, 0)) self.connect((self.blocks_complex_to_real_1, 0), (self.blocks_multiply_xx_0, 1)) self.connect((self.blocks_complex_to_real_1, 0), (self.qtgui_freq_sink_x_0_1_0_0, 0)) self.connect((self.blocks_complex_to_real_1, 0), (self.qtgui_time_sink_x_0, 0)) self.connect((self.blocks_keep_one_in_n_0, 0), (self.blocks_uchar_to_float_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_1_0, 0), (self.blks2_selector_0, 1)) self.connect((self.blocks_multiply_const_vxx_1_0, 0), (self.qtgui_freq_sink_x_0_1_0_1, 1)) self.connect((self.blocks_multiply_const_vxx_1_0_0, 0), (self.blks2_selector_0_0, 1)) self.connect((self.blocks_multiply_const_vxx_1_0_0, 0), (self.qtgui_freq_sink_x_0_1_0_1_0, 1)) self.connect((self.blocks_multiply_const_vxx_1_0_1, 0), (self.blks2_selector_0, 0)) self.connect((self.blocks_multiply_const_vxx_1_0_1, 0), (self.blks2_selector_0_0, 0)) self.connect((self.blocks_multiply_const_vxx_1_0_1, 0), (self.qtgui_freq_sink_x_0_0_0, 1)) self.connect((self.blocks_multiply_const_vxx_1_0_1_0, 0), (self.qtgui_freq_sink_x_0_0_0, 0)) self.connect((self.blocks_multiply_const_vxx_1_0_1_0_0, 0), (self.qtgui_freq_sink_x_0_1_0_1, 0)) self.connect((self.blocks_multiply_const_vxx_1_0_1_0_1, 0), (self.qtgui_freq_sink_x_0_1_0_1_0, 0)) self.connect((self.blocks_multiply_xx_0, 0), (self.band_pass_filter_1, 0)) self.connect((self.blocks_multiply_xx_1, 0), (self.low_pass_filter_2, 0)) self.connect((self.blocks_sub_xx_0, 0), (self.analog_fm_deemph_0_0_0, 0)) self.connect((self.blocks_uchar_to_float_0, 0), (self.blocks_add_const_vxx_0_0, 0)) self.connect((self.blocks_uchar_to_float_0_0, 0), (self.blocks_add_const_vxx_0, 0)) self.connect((self.digital_binary_slicer_fb_0, 0), (self.blocks_keep_one_in_n_0, 0)) self.connect((self.digital_diff_decoder_bb_0, 0), (self.blocks_uchar_to_float_0_0, 0)) self.connect((self.digital_diff_decoder_bb_0, 0), (self.gr_rds_decoder_0, 0)) self.connect((self.digital_mpsk_receiver_cc_0, 0), (self.blocks_complex_to_real_0, 0)) self.connect((self.digital_mpsk_receiver_cc_0, 0), (self.qtgui_const_sink_x_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_1, 0), (self.qtgui_freq_sink_x_1, 0)) self.connect((self.freq_xlating_fir_filter_xxx_1, 0), (self.root_raised_cosine_filter_0, 0)) self.connect((self.low_pass_filter_0, 0), (self.analog_wfm_rcv_0, 0)) self.connect((self.low_pass_filter_1, 0), (self.analog_fm_deemph_0_0_0_1, 0)) self.connect((self.low_pass_filter_1, 0), (self.blocks_add_xx_0, 0)) self.connect((self.low_pass_filter_1, 0), (self.blocks_sub_xx_0, 0)) self.connect((self.low_pass_filter_2, 0), (self.blocks_add_xx_0, 1)) self.connect((self.low_pass_filter_2, 0), (self.blocks_sub_xx_0, 1)) self.connect((self.low_pass_filter_4, 0), (self.band_pass_filter_0, 0)) self.connect((self.low_pass_filter_4, 0), (self.band_pass_filter_0_0, 0)) self.connect((self.low_pass_filter_4, 0), (self.freq_xlating_fir_filter_xxx_1, 0)) self.connect((self.low_pass_filter_4, 0), (self.low_pass_filter_1, 0)) self.connect((self.low_pass_filter_4, 0), (self.qtgui_freq_sink_x_0_0, 0)) self.connect((self.rational_resampler_xxx_0_0_0, 0), (self.blocks_multiply_const_vxx_1_0, 0)) self.connect((self.rational_resampler_xxx_0_0_0, 0), (self.blocks_multiply_const_vxx_1_0_1_0_0, 0)) self.connect((self.rational_resampler_xxx_0_0_0_0, 0), (self.blocks_multiply_const_vxx_1_0_0, 0)) self.connect((self.rational_resampler_xxx_0_0_0_0, 0), (self.blocks_multiply_const_vxx_1_0_1_0_1, 0)) self.connect((self.rational_resampler_xxx_0_0_0_1, 0), (self.blocks_multiply_const_vxx_1_0_1, 0)) self.connect((self.rational_resampler_xxx_0_0_0_1, 0), (self.blocks_multiply_const_vxx_1_0_1_0, 0)) self.connect((self.root_raised_cosine_filter_0, 0), (self.digital_mpsk_receiver_cc_0, 0)) self.connect((self.root_raised_cosine_filter_0, 0), (self.qtgui_freq_sink_x_1, 1)) self.connect((self.rtlsdr_source_0, 0), (self.low_pass_filter_0, 0)) self.connect((self.rtlsdr_source_0, 0), (self.qtgui_freq_sink_x_0, 0))
def __init__(self): gr.top_block.__init__(self, "Top Block") Qt.QWidget.__init__(self) self.setWindowTitle("Top Block") try: self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc')) except: pass self.top_scroll_layout = Qt.QVBoxLayout() self.setLayout(self.top_scroll_layout) self.top_scroll = Qt.QScrollArea() self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame) self.top_scroll_layout.addWidget(self.top_scroll) self.top_scroll.setWidgetResizable(True) self.top_widget = Qt.QWidget() self.top_scroll.setWidget(self.top_widget) self.top_layout = Qt.QVBoxLayout(self.top_widget) self.top_grid_layout = Qt.QGridLayout() self.top_layout.addLayout(self.top_grid_layout) self.settings = Qt.QSettings("GNU Radio", "top_block") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Variables ################################################## self.samp_rate = samp_rate = 240000 self.fm = fm = 0.5 self.fc = fc = 10000 self.Df = Df = 1000 self.An = An = 0 self.Am = Am = 1 ################################################## # Blocks ################################################## self._fc_range = Range(1000, 20000, 1000, 10000, 200) self._fc_win = RangeWidget(self._fc_range, self.set_fc, "fc", "counter_slider", float) self.top_layout.addWidget(self._fc_win) self._Df_range = Range(500, 2000, 100, 1000, 200) self._Df_win = RangeWidget(self._Df_range, self.set_Df, "Df", "counter_slider", float) self.top_layout.addWidget(self._Df_win) self._An_range = Range(0, 5, 0.5, 0, 200) self._An_win = RangeWidget(self._An_range, self.set_An, "An", "counter_slider", float) self.top_layout.addWidget(self._An_win) self._Am_range = Range(0, 10, 0.5, 1, 200) self._Am_win = RangeWidget(self._Am_range, self.set_Am, "Am", "counter_slider", float) self.top_layout.addWidget(self._Am_win) self.v = analog.sig_source_f(samp_rate, analog.GR_SIN_WAVE, 1, Am, 0) self.qtgui_time_sink_x_0 = qtgui.time_sink_c( 1024, #size samp_rate, #samp_rate "", #name 2 #number of inputs ) self.qtgui_time_sink_x_0.set_update_time(0.10) self.qtgui_time_sink_x_0.set_y_axis(-1, 1) self.qtgui_time_sink_x_0.set_y_label("Amplitude", "") self.qtgui_time_sink_x_0.enable_tags(-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(True) self.qtgui_time_sink_x_0.enable_control_panel(True) if not True: self.qtgui_time_sink_x_0.disable_legend() labels = ["Re{s(t)}", "Im{s(t)}", "Re{c(t)}", "Im{c(t)}", "", "", "", "", "", ""] 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, 2, 1, 2, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(2*2): if len(labels[i]) == 0: if(i % 2 == 0): self.qtgui_time_sink_x_0.set_line_label(i, "Re{{Data {0}}}".format(i/2)) else: self.qtgui_time_sink_x_0.set_line_label(i, "Im{{Data {0}}}".format(i/2)) else: self.qtgui_time_sink_x_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget) self.top_layout.addWidget(self._qtgui_time_sink_x_0_win) self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c( 4096, #size firdes.WIN_RECTANGULAR, #wintype 0, #fc samp_rate, #bw "", #name 2 #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(True) self.qtgui_freq_sink_x_0.set_fft_average(1.0) self.qtgui_freq_sink_x_0.enable_control_panel(True) if not True: self.qtgui_freq_sink_x_0.disable_legend() if "complex" == "float" or "complex" == "msg_float": self.qtgui_freq_sink_x_0.set_plot_pos_half(not True) labels = ["S(f)", "C(f)", "", "", "", "", "", "", "", ""] 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(2): if len(labels[i]) == 0: self.qtgui_freq_sink_x_0.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_freq_sink_x_0.set_line_label(i, labels[i]) self.qtgui_freq_sink_x_0.set_line_width(i, widths[i]) self.qtgui_freq_sink_x_0.set_line_color(i, colors[i]) self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_freq_sink_x_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget) self.top_layout.addWidget(self._qtgui_freq_sink_x_0_win) self._fm_range = Range(0, 1, 0.02, 0.5, 200) self._fm_win = RangeWidget(self._fm_range, self.set_fm, "fm", "counter_slider", float) self.top_layout.addWidget(self._fm_win) self.blocks_vco_c_0 = blocks.vco_c(samp_rate, 6283.1, 1) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_float*1, samp_rate,True) self.blocks_multiply_xx_0 = blocks.multiply_vcc(1) self.blocks_add_xx_0 = blocks.add_vcc(1) self.analog_sig_source_x_0 = analog.sig_source_c(samp_rate, analog.GR_COS_WAVE, fc, 1, 0) self.analog_pll_refout_cc_0 = analog.pll_refout_cc(0.0628318530717, (fc+Df)*0.0000261799387799, (fc-Df)*0.0000261799387799) self.analog_noise_source_x_0 = analog.noise_source_c(analog.GR_GAUSSIAN, An, 0) ################################################## # Connections ################################################## self.connect((self.analog_noise_source_x_0, 0), (self.blocks_add_xx_0, 1)) self.connect((self.analog_pll_refout_cc_0, 0), (self.qtgui_freq_sink_x_0, 1)) self.connect((self.analog_pll_refout_cc_0, 0), (self.qtgui_time_sink_x_0, 1)) self.connect((self.analog_sig_source_x_0, 0), (self.blocks_multiply_xx_0, 1)) self.connect((self.blocks_add_xx_0, 0), (self.analog_pll_refout_cc_0, 0)) self.connect((self.blocks_add_xx_0, 0), (self.qtgui_freq_sink_x_0, 0)) self.connect((self.blocks_add_xx_0, 0), (self.qtgui_time_sink_x_0, 0)) self.connect((self.blocks_multiply_xx_0, 0), (self.blocks_add_xx_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.blocks_vco_c_0, 0)) self.connect((self.blocks_vco_c_0, 0), (self.blocks_multiply_xx_0, 0)) self.connect((self.v, 0), (self.blocks_throttle_0, 0))
def connect_audio_stage(self): demod_rate = self.demod_rate stereo_rate = self.post_demod_rate audio_rate = self.audio_rate normalizer = 2 * math.pi / stereo_rate pilot_tone = 19000 pilot_low = pilot_tone * 0.9 pilot_high = pilot_tone * 1.1 def make_audio_filter(): return grfilter.fir_filter_fff( 1, # decimation firdes.low_pass( 1.0, stereo_rate, 15000, 5000, firdes.WIN_HAMMING)) stereo_pilot_filter = grfilter.fir_filter_fcc( 1, # decimation firdes.complex_band_pass( 1.0, stereo_rate, pilot_low, pilot_high, 300)) # TODO magic number from gqrx stereo_pilot_pll = analog.pll_refout_cc( 0.001, # TODO magic number from gqrx normalizer * pilot_high, normalizer * pilot_low) stereo_pilot_doubler = blocks.multiply_cc() stereo_pilot_out = blocks.complex_to_imag() difference_channel_mixer = blocks.multiply_ff() difference_channel_filter = make_audio_filter() difference_real = blocks.complex_to_real(1) mono_channel_filter = make_audio_filter() resamplerL = self._make_resampler() resamplerR = self._make_resampler() mixL = blocks.add_ff(1) mixR = blocks.sub_ff(1) # connections if self.audio_filter: self.connect(self.demod_block, mono_channel_filter) mono = mono_channel_filter else: mono = self.demod_block if self.stereo: # stereo pilot tone tracker self.connect( self.demod_block, stereo_pilot_filter, stereo_pilot_pll) self.connect(stereo_pilot_pll, (stereo_pilot_doubler, 0)) self.connect(stereo_pilot_pll, (stereo_pilot_doubler, 1)) self.connect(stereo_pilot_doubler, stereo_pilot_out) # pick out stereo left-right difference channel self.connect(self.demod_block, (difference_channel_mixer, 0)) self.connect(stereo_pilot_out, (difference_channel_mixer, 1)) self.connect(difference_channel_mixer, difference_channel_filter) # recover left/right channels self.connect(difference_channel_filter, (mixL, 1)) self.connect(difference_channel_filter, (mixR, 1)) self.connect(mono, (mixL, 0), resamplerL) self.connect(mono, (mixR, 0), resamplerR) self.connect_audio_output(resamplerL, resamplerR) else: self.connect(mono, resamplerL) self.connect_audio_output(resamplerL, resamplerL)
def __init__(self): grc_wxgui.top_block_gui.__init__(self, title="Top Block") _icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png" self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY)) ################################################## # Variables ################################################## self.samp_rate = samp_rate = 2.5e6 self.decim = decim = 1 self.post_decim = post_decim = samp_rate / decim self.freq_ctr2 = freq_ctr2 = 990e6 self.freq_ctr1 = freq_ctr1 = 990e6 self.cutoff = cutoff = 1e4 * 5 ################################################## # Blocks ################################################## self.notebook_0 = self.notebook_0 = wx.Notebook(self.GetWin(), style=wx.NB_TOP) self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "1") self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "2") self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "3") self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "4") self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "5") self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "6") self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "7") self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "8") self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "9") self.Add(self.notebook_0) _freq_ctr1_sizer = wx.BoxSizer(wx.VERTICAL) self._freq_ctr1_text_box = forms.text_box( parent=self.notebook_0.GetPage(0).GetWin(), sizer=_freq_ctr1_sizer, value=self.freq_ctr1, callback=self.set_freq_ctr1, label="center frequency", converter=forms.float_converter(), proportion=0, ) self._freq_ctr1_slider = forms.slider( parent=self.notebook_0.GetPage(0).GetWin(), sizer=_freq_ctr1_sizer, value=self.freq_ctr1, callback=self.set_freq_ctr1, minimum=989.1e6, maximum=990.1e6, num_steps=1000, style=wx.SL_HORIZONTAL, cast=float, proportion=1, ) self.notebook_0.GetPage(0).Add(_freq_ctr1_sizer) self.wxgui_scopesink2_1_0 = scopesink2.scope_sink_c( self.notebook_0.GetPage(3).GetWin(), title="Scope Plot", sample_rate=post_decim, v_scale=0, v_offset=0, t_scale=0, ac_couple=False, xy_mode=False, num_inputs=1, trig_mode=gr.gr_TRIG_MODE_AUTO, y_axis_label="Counts", ) self.notebook_0.GetPage(3).Add(self.wxgui_scopesink2_1_0.win) self.wxgui_scopesink2_1 = scopesink2.scope_sink_c( self.notebook_0.GetPage(2).GetWin(), title="Scope Plot", sample_rate=post_decim, v_scale=0, v_offset=0, t_scale=0, ac_couple=False, xy_mode=False, num_inputs=1, trig_mode=gr.gr_TRIG_MODE_AUTO, y_axis_label="Counts", ) self.notebook_0.GetPage(2).Add(self.wxgui_scopesink2_1.win) self.wxgui_numbersink2_0_0_0_1 = numbersink2.number_sink_f( self.notebook_0.GetPage(1).GetWin(), unit="Hz", minval=-100, maxval=100, factor=1.0, decimal_places=10, ref_level=0, sample_rate=samp_rate * 0 + post_decim, number_rate=15, average=False, avg_alpha=0.001, label="phase", peak_hold=False, show_gauge=False, ) self.notebook_0.GetPage(1).Add(self.wxgui_numbersink2_0_0_0_1.win) self.wxgui_numbersink2_0_0_0_0 = numbersink2.number_sink_f( self.notebook_0.GetPage(1).GetWin(), unit="Hz", minval=-100, maxval=100, factor=1.0, decimal_places=10, ref_level=0, sample_rate=samp_rate * 0 + post_decim, number_rate=15, average=False, avg_alpha=0.001, label="error", peak_hold=False, show_gauge=False, ) self.notebook_0.GetPage(1).Add(self.wxgui_numbersink2_0_0_0_0.win) self.wxgui_numbersink2_0_0_0 = numbersink2.number_sink_f( self.notebook_0.GetPage(1).GetWin(), unit="Hz", minval=-100, maxval=100, factor=1.0, decimal_places=10, ref_level=0, sample_rate=samp_rate * 0 + post_decim, number_rate=15, average=False, avg_alpha=0.001, label="freq", peak_hold=False, show_gauge=False, ) self.notebook_0.GetPage(1).Add(self.wxgui_numbersink2_0_0_0.win) self.wxgui_numbersink2_0_0 = numbersink2.number_sink_c( self.notebook_0.GetPage(1).GetWin(), unit="", minval=-100, maxval=100, factor=1.0, decimal_places=10, ref_level=0, sample_rate=samp_rate * 0 + post_decim, number_rate=15, average=False, avg_alpha=0.001, label="signal", peak_hold=False, show_gauge=False, ) self.notebook_0.GetPage(1).Add(self.wxgui_numbersink2_0_0.win) self.wxgui_fftsink2_0_0 = fftsink2.fft_sink_c( self.notebook_0.GetPage(0).GetWin(), baseband_freq=freq_ctr1, y_per_div=10, y_divs=5, ref_level=-10, ref_scale=2.0, sample_rate=samp_rate * 0 + post_decim, fft_size=1024, fft_rate=15, average=True, avg_alpha=0.2, title="FFT Plot", peak_hold=False, ) self.notebook_0.GetPage(0).Add(self.wxgui_fftsink2_0_0.win) self.wxgui_fftsink2_0 = fftsink2.fft_sink_c( self.notebook_0.GetPage(0).GetWin(), baseband_freq=freq_ctr1, y_per_div=10, y_divs=5, ref_level=-10, ref_scale=2.0, sample_rate=samp_rate * 0 + post_decim, fft_size=1024, fft_rate=15, average=True, avg_alpha=0.2, title="FFT Plot", peak_hold=False, ) self.notebook_0.GetPage(0).Add(self.wxgui_fftsink2_0.win) self.osmosdr_source_c_0 = osmosdr.source_c(args="nchan=" + str(1) + " " + "rtl=0,xtal=28.8e6,tuner_xtal=28.8e6") self.osmosdr_source_c_0.set_sample_rate(samp_rate) self.osmosdr_source_c_0.set_center_freq(freq_ctr1, 0) self.osmosdr_source_c_0.set_freq_corr(0, 0) self.osmosdr_source_c_0.set_iq_balance_mode(2, 0) self.osmosdr_source_c_0.set_gain_mode(1, 0) self.osmosdr_source_c_0.set_gain(0, 0) self.osmosdr_source_c_0.set_if_gain(0, 0) self.low_pass_filter_0 = gr.fir_filter_ccf( decim, firdes.low_pass(1, samp_rate, samp_rate / 4, samp_rate / 4, firdes.WIN_HAMMING, 6.76) ) _freq_ctr2_sizer = wx.BoxSizer(wx.VERTICAL) self._freq_ctr2_text_box = forms.text_box( parent=self.notebook_0.GetPage(4).GetWin(), sizer=_freq_ctr2_sizer, value=self.freq_ctr2, callback=self.set_freq_ctr2, label="center frequency", converter=forms.float_converter(), proportion=0, ) self._freq_ctr2_slider = forms.slider( parent=self.notebook_0.GetPage(4).GetWin(), sizer=_freq_ctr2_sizer, value=self.freq_ctr2, callback=self.set_freq_ctr2, minimum=989.1e6, maximum=990.1e6, num_steps=1000, style=wx.SL_HORIZONTAL, cast=float, proportion=1, ) self.notebook_0.GetPage(4).Add(_freq_ctr2_sizer) self.digital_fll_band_edge_cc_0 = digital.fll_band_edge_cc(2, 0.05, 512, 0.008) self.analog_pll_refout_cc_0 = analog.pll_refout_cc(math.pi / 1000, 2, -2) ################################################## # Connections ################################################## self.connect((self.low_pass_filter_0, 0), (self.wxgui_fftsink2_0_0, 0)) self.connect((self.low_pass_filter_0, 0), (self.wxgui_scopesink2_1_0, 0)) self.connect((self.digital_fll_band_edge_cc_0, 2), (self.wxgui_numbersink2_0_0_0_1, 0)) self.connect((self.digital_fll_band_edge_cc_0, 3), (self.wxgui_numbersink2_0_0_0_0, 0)) self.connect((self.osmosdr_source_c_0, 0), (self.low_pass_filter_0, 0)) self.connect((self.low_pass_filter_0, 0), (self.digital_fll_band_edge_cc_0, 0)) self.connect((self.digital_fll_band_edge_cc_0, 1), (self.wxgui_numbersink2_0_0_0, 0)) self.connect((self.digital_fll_band_edge_cc_0, 0), (self.analog_pll_refout_cc_0, 0)) self.connect((self.analog_pll_refout_cc_0, 0), (self.wxgui_fftsink2_0, 0)) self.connect((self.analog_pll_refout_cc_0, 0), (self.wxgui_scopesink2_1, 0)) self.connect((self.analog_pll_refout_cc_0, 0), (self.wxgui_numbersink2_0_0, 0))
def __init__(self, *args, **kwds): # begin wxGlade: MyFrame.__init__ kwds["style"] = wx.DEFAULT_FRAME_STYLE wx.Frame.__init__(self, *args, **kwds) # Menu Bar self.frame_1_menubar = wx.MenuBar() self.SetMenuBar(self.frame_1_menubar) wxglade_tmp_menu = wx.Menu() self.Exit = wx.MenuItem(wxglade_tmp_menu, ID_EXIT, "Exit", "Exit", wx.ITEM_NORMAL) wxglade_tmp_menu.AppendItem(self.Exit) self.frame_1_menubar.Append(wxglade_tmp_menu, "File") # Menu Bar end self.panel_1 = wx.Panel(self, -1) self.button_1 = wx.Button(self, ID_BUTTON_1, "LSB") self.button_2 = wx.Button(self, ID_BUTTON_2, "USB") self.button_3 = wx.Button(self, ID_BUTTON_3, "AM") self.button_4 = wx.Button(self, ID_BUTTON_4, "CW") self.button_5 = wx.ToggleButton(self, ID_BUTTON_5, "Upper") self.slider_fcutoff_hi = wx.Slider(self, ID_SLIDER_1, 0, -15798, 15799, style=wx.SL_HORIZONTAL | wx.SL_LABELS) self.button_6 = wx.ToggleButton(self, ID_BUTTON_6, "Lower") self.slider_fcutoff_lo = wx.Slider(self, ID_SLIDER_2, 0, -15799, 15798, style=wx.SL_HORIZONTAL | wx.SL_LABELS) self.panel_5 = wx.Panel(self, -1) self.label_1 = wx.StaticText(self, -1, " Band\nCenter") self.text_ctrl_1 = wx.TextCtrl(self, ID_TEXT_1, "") self.panel_6 = wx.Panel(self, -1) self.panel_7 = wx.Panel(self, -1) self.panel_2 = wx.Panel(self, -1) self.button_7 = wx.ToggleButton(self, ID_BUTTON_7, "Freq") self.slider_3 = wx.Slider(self, ID_SLIDER_3, 3000, 0, 6000) self.spin_ctrl_1 = wx.SpinCtrl(self, ID_SPIN_1, "", min=0, max=100) self.button_8 = wx.ToggleButton(self, ID_BUTTON_8, "Vol") self.slider_4 = wx.Slider(self, ID_SLIDER_4, 0, 0, 500) self.slider_5 = wx.Slider(self, ID_SLIDER_5, 0, 0, 20) self.button_9 = wx.ToggleButton(self, ID_BUTTON_9, "Time") self.button_11 = wx.Button(self, ID_BUTTON_11, "Rew") self.button_10 = wx.Button(self, ID_BUTTON_10, "Fwd") self.panel_3 = wx.Panel(self, -1) self.label_2 = wx.StaticText(self, -1, "PGA ") self.panel_4 = wx.Panel(self, -1) self.panel_8 = wx.Panel(self, -1) self.panel_9 = wx.Panel(self, -1) self.panel_10 = wx.Panel(self, -1) self.panel_11 = wx.Panel(self, -1) self.panel_12 = wx.Panel(self, -1) self.__set_properties() self.__do_layout() # end wxGlade parser = OptionParser(option_class=eng_option) parser.add_option("", "--args", type="string", default="addr=''", help="Arguments for UHD device, [default=%default]") parser.add_option("", "--spec", type="string", default="A:0", help="UHD device subdev spec, [default=%default]") parser.add_option("-c", "--ddc-freq", type="eng_float", default=3.9e6, help="set Rx DDC frequency to FREQ", metavar="FREQ") parser.add_option( "-s", "--samp-rate", type="eng_float", default=256000, help="set sample rate (bandwidth) [default=%default]") parser.add_option("-a", "--audio_file", default="", help="audio output file", metavar="FILE") parser.add_option("-r", "--radio_file", default="", help="radio output file", metavar="FILE") parser.add_option("-i", "--input_file", default="", help="radio input file", metavar="FILE") parser.add_option( "-O", "--audio-output", type="string", default="", help="audio output device name. E.g., hw:0,0, /dev/dsp, or pulse") parser.add_option("", "--audio-rate", type="int", default=32000, help="audio output sample rate [default=%default]") (options, args) = parser.parse_args() self.usrp_center = options.ddc_freq self.input_rate = input_rate = options.samp_rate self.slider_range = input_rate * 0.9375 self.f_lo = self.usrp_center - (self.slider_range / 2) self.f_hi = self.usrp_center + (self.slider_range / 2) self.af_sample_rate = options.audio_rate self.tb = gr.top_block() # radio variables, initial conditions self.frequency = self.usrp_center # these map the frequency slider (0-6000) to the actual range self.f_slider_offset = self.f_lo self.f_slider_scale = 10000 / 250 self.spin_ctrl_1.SetRange(self.f_lo, self.f_hi) self.text_ctrl_1.SetValue(str(int(self.usrp_center))) self.slider_5.SetValue(0) self.AM_mode = False self.slider_3.SetValue( (self.frequency - self.f_slider_offset) / self.f_slider_scale) self.spin_ctrl_1.SetValue(int(self.frequency)) POWERMATE = True try: self.pm = powermate.powermate(self) except: sys.stderr.write("Unable to find PowerMate or Contour Shuttle\n") POWERMATE = False if POWERMATE: powermate.EVT_POWERMATE_ROTATE(self, self.on_rotate) powermate.EVT_POWERMATE_BUTTON(self, self.on_pmButton) self.active_button = 7 # command line options if options.audio_file == "": SAVE_AUDIO_TO_FILE = False else: SAVE_AUDIO_TO_FILE = True if options.radio_file == "": SAVE_RADIO_TO_FILE = False else: SAVE_RADIO_TO_FILE = True if options.input_file == "": self.PLAY_FROM_USRP = True else: self.PLAY_FROM_USRP = False if self.PLAY_FROM_USRP: self.src = uhd.usrp_source(options.args, stream_args=uhd.stream_args('fc32')) self.src.set_samp_rate(input_rate) self.src.set_subdev_spec(options.spec) self.input_rate = input_rate = self.src.get_samp_rate() self.src.set_center_freq(self.usrp_center, 0) self.tune_offset = 0 fir_decim = long(self.input_rate / self.af_sample_rate) rrate = self.af_sample_rate / (self.input_rate / float(fir_decim)) print "Actual Input Rate: ", self.input_rate print "FIR DECIM: ", fir_decim print "Remaining resampling: ", rrate print "Sampling Rate at Audio Sink: ", (self.input_rate / fir_decim) * rrate print "Request Rate at Audio Sink: ", self.af_sample_rate else: self.src = blocks.file_source(gr.sizeof_short, options.input_file) self.tune_offset = 2200 # 2200 works for 3.5-4Mhz band # convert rf data in interleaved short int form to complex s2ss = blocks.stream_to_streams(gr.sizeof_short, 2) s2f1 = blocks.short_to_float() s2f2 = blocks.short_to_float() src_f2c = blocks.float_to_complex() self.tb.connect(self.src, s2ss) self.tb.connect((s2ss, 0), s2f1) self.tb.connect((s2ss, 1), s2f2) self.tb.connect(s2f1, (src_f2c, 0)) self.tb.connect(s2f2, (src_f2c, 1)) fir_decim = long(self.input_rate / self.af_sample_rate) rrate = self.af_sample_rate / (self.input_rate / float(fir_decim)) print "FIR DECIM: ", fir_decim print "Remaining resampling: ", rrate print "Sampling Rate at Audio Sink: ", (self.input_rate / fir_decim) * rrate print "Request Rate at Audio Sink: ", self.af_sample_rate # save radio data to a file if SAVE_RADIO_TO_FILE: radio_file = blocks.file_sink(gr.sizeof_short, options.radio_file) self.tb.connect(self.src, radio_file) # 2nd DDC xlate_taps = filter.firdes.low_pass ( \ 1.0, input_rate, 16e3, 4e3, filter.firdes.WIN_HAMMING ) self.xlate = filter.freq_xlating_fir_filter_ccf ( \ fir_decim, xlate_taps, self.tune_offset, input_rate ) nflts = 32 audio_coeffs = filter.firdes.complex_band_pass( nflts, # gain self.input_rate * nflts, # sample rate -3000.0, # low cutoff 0.0, # high cutoff 100.0, # transition filter.firdes.WIN_KAISER, 7.0) # window self.slider_fcutoff_hi.SetValue(0) self.slider_fcutoff_lo.SetValue(-3000) # Filter and resample based on actual radio's sample rate self.audio_filter = filter.pfb.arb_resampler_ccc(rrate, audio_coeffs) # Main +/- 16Khz spectrum display self.fft = fftsink2.fft_sink_c(self.panel_2, fft_size=512, sample_rate=self.af_sample_rate, average=True, size=(640, 240), baseband_freq=self.usrp_center) c2f = blocks.complex_to_float() # AM branch self.sel_am = blocks.multiply_const_cc(0) # the following frequencies turn out to be in radians/sample # analog.pll_refout_cc(alpha,beta,min_freq,max_freq) # suggested alpha = X, beta = .25 * X * X pll = analog.pll_refout_cc( .05, (2. * math.pi * 7.5e3 / self.af_sample_rate), (2. * math.pi * 6.5e3 / self.af_sample_rate)) self.pll_carrier_scale = blocks.multiply_const_cc(complex(10, 0)) am_det = blocks.multiply_cc() # these are for converting +7.5kHz to -7.5kHz # for some reason blocks.conjugate_cc() adds noise ?? c2f2 = blocks.complex_to_float() c2f3 = blocks.complex_to_float() f2c = blocks.float_to_complex() phaser1 = blocks.multiply_const_ff(1) phaser2 = blocks.multiply_const_ff(-1) # filter for pll generated carrier pll_carrier_coeffs = filter.firdes.complex_band_pass( 2.0, # gain self.af_sample_rate, # sample rate 7400, # low cutoff 7600, # high cutoff 100, # transition filter.firdes.WIN_HAMMING) # window self.pll_carrier_filter = filter.fir_filter_ccc(1, pll_carrier_coeffs) self.sel_sb = blocks.multiply_const_ff(1) combine = blocks.add_ff() #AGC sqr1 = blocks.multiply_ff() intr = filter.iir_filter_ffd([.004, 0], [0, .999]) offset = blocks.add_const_ff(1) agc = blocks.divide_ff() self.scale = blocks.multiply_const_ff(0.00001) dst = audio.sink(long(self.af_sample_rate), options.audio_output) if self.PLAY_FROM_USRP: self.tb.connect(self.src, self.xlate, self.fft) else: self.tb.connect(src_f2c, self.xlate, self.fft) self.tb.connect(self.xlate, self.audio_filter, self.sel_am, (am_det, 0)) self.tb.connect(self.sel_am, pll, self.pll_carrier_scale, self.pll_carrier_filter, c2f3) self.tb.connect((c2f3, 0), phaser1, (f2c, 0)) self.tb.connect((c2f3, 1), phaser2, (f2c, 1)) self.tb.connect(f2c, (am_det, 1)) self.tb.connect(am_det, c2f2, (combine, 0)) self.tb.connect(self.audio_filter, c2f, self.sel_sb, (combine, 1)) self.tb.connect(combine, self.scale) self.tb.connect(self.scale, (sqr1, 0)) self.tb.connect(self.scale, (sqr1, 1)) self.tb.connect(sqr1, intr, offset, (agc, 1)) self.tb.connect(self.scale, (agc, 0)) self.tb.connect(agc, blocks.null_sink(gr.sizeof_float)) self.tb.connect(c2f3, dst) if SAVE_AUDIO_TO_FILE: f_out = blocks.file_sink(gr.sizeof_short, options.audio_file) sc1 = blocks.multiply_const_ff(64000) f2s1 = blocks.float_to_short() self.tb.connect(agc, sc1, f2s1, f_out) self.tb.start() # left click to re-tune self.fft.win.plotter.Bind(wx.EVT_LEFT_DOWN, self.Click) # start a timer to check for web commands if WEB_CONTROL: self.timer = UpdateTimer(self, 1000) # every 1000 mSec, 1 Sec wx.EVT_BUTTON(self, ID_BUTTON_1, self.set_lsb) wx.EVT_BUTTON(self, ID_BUTTON_2, self.set_usb) wx.EVT_BUTTON(self, ID_BUTTON_3, self.set_am) wx.EVT_BUTTON(self, ID_BUTTON_4, self.set_cw) wx.EVT_BUTTON(self, ID_BUTTON_10, self.fwd) wx.EVT_BUTTON(self, ID_BUTTON_11, self.rew) wx.EVT_TOGGLEBUTTON(self, ID_BUTTON_5, self.on_button) wx.EVT_TOGGLEBUTTON(self, ID_BUTTON_6, self.on_button) wx.EVT_TOGGLEBUTTON(self, ID_BUTTON_7, self.on_button) wx.EVT_TOGGLEBUTTON(self, ID_BUTTON_8, self.on_button) wx.EVT_TOGGLEBUTTON(self, ID_BUTTON_9, self.on_button) wx.EVT_SLIDER(self, ID_SLIDER_1, self.set_filter) wx.EVT_SLIDER(self, ID_SLIDER_2, self.set_filter) wx.EVT_SLIDER(self, ID_SLIDER_3, self.slide_tune) wx.EVT_SLIDER(self, ID_SLIDER_4, self.set_volume) wx.EVT_SLIDER(self, ID_SLIDER_5, self.set_pga) wx.EVT_SPINCTRL(self, ID_SPIN_1, self.spin_tune) wx.EVT_MENU(self, ID_EXIT, self.TimeToQuit)
def __init__(self, param_samp_rate, param_freq, param_gain, address): grc_wxgui.top_block_gui.__init__(self, title="UHD FFT") ################################################## # Parameters ################################################## param_freq = 5.792e9 self.if_freq = 960e6 self.square_freq = 4e6 self.num_steps = 32 self.lo_start_freq = 5.312e9 self.param_samp_rate = param_samp_rate self.param_freq = param_freq self.param_gain = param_gain self.address = address self.offset_freq = 10e3 ################################################## # Variables ################################################## self.chan0_lo_locked = chan0_lo_locked = uhd.sensor_value( "", False, "") self.samp_rate = samp_rate = param_samp_rate self.lo_locked_probe = lo_locked_probe = chan0_lo_locked.to_bool() self.gain = gain = param_gain self.freq = freq = param_freq self.ant = ant = "J1" self.test = options.test self.tofile = options.tofile ################################################## # Blocks ################################################## _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="RX 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=112.5, num_steps=225, style=wx.SL_HORIZONTAL, cast=float, proportion=1, ) self.GridAdd(_gain_sizer, 2, 0, 1, 8) if self.test == False: self.source = uhd.usrp_source( device_addr=address, stream_args=uhd.stream_args( cpu_format="fc32", channels=range(2), ), ) #Channel 0 self.source.set_subdev_spec("A:0 B:0") self.source.set_center_freq(freq, 0) self.source.set_gain(gain, 0) self.source.set_antenna(ant, 0) self.source.set_bandwidth(samp_rate, 0) #Channel 1 g = self.source.get_gain_range(1) print "rx gain range is (%f,%f)" % (g.start(), g.stop()) self.source.set_center_freq(self.if_freq, 1) #Mixer @ 4992 MHz self.source.set_gain(g.stop(), 1) #self.source.set_antenna(ant, 1) self.source.set_bandwidth(36e6, 1) #Need Turbo mode! self.source.set_samp_rate(samp_rate) else: self.source_pre = blocks.file_source(gr.sizeof_gr_complex, "test.dat", True) self.source = blocks.throttle(gr.sizeof_gr_complex * 1, samp_rate) self.connect(self.source_pre, self.source) self.source_freqs_pre = blocks.file_source(gr.sizeof_gr_complex, "test_freqs.dat", True) self.source_freqs = blocks.throttle(gr.sizeof_gr_complex * 1, samp_rate) self.connect(self.source_freqs_pre, self.source_freqs) self.nb0 = self.nb0 = wx.Notebook(self.GetWin(), style=wx.NB_TOP) self.nb0.AddPage(grc_wxgui.Panel(self.nb0), "FFT") self.nb0.AddPage(grc_wxgui.Panel(self.nb0), "Waterfall") self.nb0.AddPage(grc_wxgui.Panel(self.nb0), "Scope") self.GridAdd(self.nb0, 0, 0, 1, 8) # self.scopesink_0 = scopesink2.scope_sink_c( # self.nb0.GetPage(0).GetWin(), # title="Scope Plot", # sample_rate=samp_rate, # 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.nb0.GetPage(0).Add(self.scopesink_0.win) self.scopesink_0 = fftsink2.fft_sink_c( self.nb0.GetPage(0).GetWin(), baseband_freq=0, y_per_div=10, y_divs=15, 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, size=((-1, 400)), ) self.nb0.GetPage(0).Add(self.scopesink_0.win) self.scopesink_1 = scopesink2.scope_sink_c( self.nb0.GetPage(1).GetWin(), title="Scope Plot", sample_rate=samp_rate, 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.nb0.GetPage(1).Add(self.scopesink_1.win) self.scopesink_2 = scopesink2.scope_sink_c( self.nb0.GetPage(2).GetWin(), title="Scope Plot", sample_rate=samp_rate, 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.nb0.GetPage(2).Add(self.scopesink_2.win) ################################################## # Connections ################################################## #Actual demo code self.multiply_0 = blocks.multiply_vcc(1) self.multiply_1 = blocks.multiply_vcc(1) self.carrier_est = analog.sig_source_c(samp_rate, analog.GR_COS_WAVE, 100000, 1, 0) self.subcarrier_est = analog.sig_source_c(samp_rate, analog.GR_COS_WAVE, -300000, 1, 0) chan_coeffs = filter.firdes.low_pass(1.0, 1.0, 0.05, 0.05, filter.firdes.WIN_HANN) self.carrier_tracking_filter = filter.fft_filter_ccc(1, chan_coeffs) self.carrier_tracking = analog.pll_refout_cc(0.0003, .15, -.15) self.carrier_tracking_conj = blocks.conjugate_cc() self.subcarrier_tracking_filter = filter.fft_filter_ccc(1, chan_coeffs) self.subcarrier_tracking = analog.pll_carriertracking_cc( 0.0005, .001, -0.001) self.stitcher = fast_square.freq_stitcher("cal.dat", 14 * 4) if self.test == True: self.connect(self.source_freqs, self.stitcher) else: if self.tofile == True: self.logfile0 = blocks.file_sink(gr.sizeof_gr_complex, "usrp_chan0.dat") self.connect((self.source, 0), self.logfile0) self.logfile1 = blocks.file_sink(gr.sizeof_gr_complex, "usrp_chan1.dat") self.connect((self.source, 1), self.logfile1) self.connect((self.source, 1), self.stitcher) self.connect((self.source, 0), (self.multiply_0, 0)) self.connect(self.carrier_est, (self.multiply_0, 1)) self.connect(self.multiply_0, self.carrier_tracking_filter, self.carrier_tracking, self.carrier_tracking_conj) self.connect(self.carrier_tracking_conj, (self.multiply_1, 0)) self.connect((self.source, 0), (self.multiply_1, 1)) self.connect(self.subcarrier_est, (self.multiply_1, 2)) self.connect(self.multiply_1, self.subcarrier_tracking_filter, self.subcarrier_tracking) # self.connect((self.source, 0), self.scopesink_0) self.connect(self.multiply_1, self.scopesink_0) self.connect(self.subcarrier_tracking, self.scopesink_1) # self.connect(self.subcarrier_tracking, self.scopesink_2) def _freq_tracker(): loop_count = 0 while True: loop_count = loop_count + 1 #TODO: Is this whole calculation section correct? carrier_freq = self.carrier_tracking.get_frequency( ) / 2 / math.pi * self.samp_rate subcarrier_freq = self.subcarrier_tracking.get_frequency( ) / 2 / math.pi * self.samp_rate print "carrier_freq = %f, \t subcarrier_freq = %f" % ( carrier_freq, subcarrier_freq) #TODO: DEBUG ONLY #if loop_count > 100: # print "GOING DOWN" # #carrier_freq = self.offset_freq # carrier_freq = carrier_freq + self.offset_freq # self.offset_freq = self.offset_freq - 1e2 #Translate to absolute frequency carrier_freq = self.param_freq + carrier_freq - 100e3 subcarrier_freq = self.square_freq + subcarrier_freq #Figure out what harmonic we will be centered on next_harmonic = math.ceil( ((self.lo_start_freq + self.if_freq) - (self.param_freq + self.square_freq)) / self.square_freq / 2) next_harmonic_freq = self.param_freq + self.square_freq + next_harmonic * self.square_freq * 2 target_freq = next_harmonic_freq - self.square_freq actual_freq = carrier_freq + next_harmonic * subcarrier_freq * 2 carrier_mixer_freq = -(actual_freq - target_freq) subcarrier_mixer_freq = subcarrier_freq carrier_reg = carrier_mixer_freq / 64e6 if carrier_reg < 0: carrier_reg = carrier_reg + 1.0 carrier_reg = int(carrier_reg * (2**32)) if self.test == False: self.source.set_user_register( 64 + 0, carrier_reg) #Write to FR_USER_0 (Carrier offset reg) subcarrier_reg = subcarrier_mixer_freq / 64e6 #Subcarrier freq register is absolute freq, not error subcarrier_reg = int(subcarrier_reg * (2**32)) if self.test == False: self.source.set_user_register( 64 + 1, subcarrier_reg ) #Write to FR_USER_1 (Subcarrier freq reg) freq_step = ((self.square_freq - subcarrier_freq) * 8) / 64e6 if freq_step < 0: freq_step = freq_step + 1.0 freq_step_reg = int(freq_step * (2**32)) if self.test == False: self.source.set_user_register(64 + 2, freq_step_reg) print "carrier_freq = %f, \t subcarrier_freq = %f, \t freq_step = %f, \t carrier_reg = %d, \t subcarrier_reg = %d, \t freq_step_reg = %d" % ( carrier_freq, subcarrier_freq, freq_step, carrier_reg, subcarrier_reg, freq_step_reg) time.sleep(1.0 / (10)) _freq_tracker_thread = threading.Thread(target=_freq_tracker) _freq_tracker_thread.daemon = True _freq_tracker_thread.start()
def __init__ (self, demod_rate, audio_decimation): """ Hierarchical block for demodulating a broadcast FM signal. The input is the downconverted complex baseband signal (gr_complex). The output is two streams of the demodulated audio (float) 0=Left, 1=Right. Args: demod_rate: input sample rate of complex baseband input. (float) audio_decimation: how much to decimate demod_rate to get to audio. (integer) """ gr.hier_block2.__init__(self, "wfm_rcv_fmdet", gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature gr.io_signature(2, 2, gr.sizeof_float)) # Output signature lowfreq = -125e3/demod_rate highfreq = 125e3/demod_rate audio_rate = demod_rate / audio_decimation # We assign to self so that outsiders can grab the demodulator # if they need to. E.g., to plot its output. # # input: complex; output: float self.fm_demod = analog.fmdet_cf(demod_rate, lowfreq, highfreq, 0.05) # input: float; output: float self.deemph_Left = fm_deemph(audio_rate) self.deemph_Right = fm_deemph(audio_rate) # compute FIR filter taps for audio filter width_of_transition_band = audio_rate / 32 audio_coeffs = filter.firdes.low_pass(1.0 , # gain demod_rate, # sampling rate 15000 , width_of_transition_band, filter.firdes.WIN_HAMMING) # input: float; output: float self.audio_filter = filter.fir_filter_fff(audio_decimation, audio_coeffs) if 1: # Pick off the stereo carrier/2 with this filter. It # attenuated 10 dB so apply 10 dB gain We pick off the # negative frequency half because we want to base band by # it! ## NOTE THIS WAS HACKED TO OFFSET INSERTION LOSS DUE TO ## DEEMPHASIS stereo_carrier_filter_coeffs = \ filter.firdes.complex_band_pass(10.0, demod_rate, -19020, -18980, width_of_transition_band, filter.firdes.WIN_HAMMING) #print "len stereo carrier filter = ",len(stereo_carrier_filter_coeffs) #print "stereo carrier filter ", stereo_carrier_filter_coeffs #print "width of transition band = ",width_of_transition_band, " audio rate = ", audio_rate # Pick off the double side band suppressed carrier # Left-Right audio. It is attenuated 10 dB so apply 10 dB # gain stereo_dsbsc_filter_coeffs = \ filter.firdes.complex_band_pass(20.0, demod_rate, 38000-15000/2, 38000+15000/2, width_of_transition_band, filter.firdes.WIN_HAMMING) #print "len stereo dsbsc filter = ",len(stereo_dsbsc_filter_coeffs) #print "stereo dsbsc filter ", stereo_dsbsc_filter_coeffs # construct overlap add filter system from coefficients # for stereo carrier self.stereo_carrier_filter = \ filter.fir_filter_fcc(audio_decimation, stereo_carrier_filter_coeffs) # carrier is twice the picked off carrier so arrange to do # a commplex multiply self.stereo_carrier_generator = blocks.multiply_cc(); # Pick off the rds signal stereo_rds_filter_coeffs = \ filter.firdes.complex_band_pass(30.0, demod_rate, 57000 - 1500, 57000 + 1500, width_of_transition_band, filter.firdes.WIN_HAMMING) #print "len stereo dsbsc filter = ",len(stereo_dsbsc_filter_coeffs) #print "stereo dsbsc filter ", stereo_dsbsc_filter_coeffs # construct overlap add filter system from coefficients for stereo carrier self.rds_signal_filter = \ filter.fir_filter_fcc(audio_decimation, stereo_rds_filter_coeffs) self.rds_carrier_generator = blocks.multiply_cc(); self.rds_signal_generator = blocks.multiply_cc(); self_rds_signal_processor = blocks.null_sink(gr.sizeof_gr_complex); loop_bw = 2*math.pi/100.0 max_freq = -2.0*math.pi*18990/audio_rate; min_freq = -2.0*math.pi*19010/audio_rate; self.stereo_carrier_pll_recovery = analog.pll_refout_cc(loop_bw, max_freq, min_freq); #self.stereo_carrier_pll_recovery.squelch_enable(False) ##pll_refout does not have squelch yet, so disabled for #now # set up mixer (multiplier) to get the L-R signal at # baseband self.stereo_basebander = blocks.multiply_cc(); # pick off the real component of the basebanded L-R # signal. The imaginary SHOULD be zero self.LmR_real = blocks.complex_to_real(); self.Make_Left = blocks.add_ff(); self.Make_Right = blocks.sub_ff(); self.stereo_dsbsc_filter = \ filter.fir_filter_fcc(audio_decimation, stereo_dsbsc_filter_coeffs) if 1: # send the real signal to complex filter to pick off the # carrier and then to one side of a multiplier self.connect(self, self.fm_demod, self.stereo_carrier_filter, self.stereo_carrier_pll_recovery, (self.stereo_carrier_generator,0)) # send the already filtered carrier to the otherside of the carrier # the resulting signal from this multiplier is the carrier # with correct phase but at -38000 Hz. self.connect(self.stereo_carrier_pll_recovery, (self.stereo_carrier_generator,1)) # send the new carrier to one side of the mixer (multiplier) self.connect(self.stereo_carrier_generator, (self.stereo_basebander,0)) # send the demphasized audio to the DSBSC pick off filter, the complex # DSBSC signal at +38000 Hz is sent to the other side of the mixer/multiplier # the result is BASEBANDED DSBSC with phase zero! self.connect(self.fm_demod,self.stereo_dsbsc_filter, (self.stereo_basebander,1)) # Pick off the real part since the imaginary is # theoretically zero and then to one side of a summer self.connect(self.stereo_basebander, self.LmR_real, (self.Make_Left,0)) #take the same real part of the DSBSC baseband signal and #send it to negative side of a subtracter self.connect(self.LmR_real,(self.Make_Right,1)) # Make rds carrier by taking the squared pilot tone and # multiplying by pilot tone self.connect(self.stereo_basebander,(self.rds_carrier_generator,0)) self.connect(self.stereo_carrier_pll_recovery,(self.rds_carrier_generator,1)) # take signal, filter off rds, send into mixer 0 channel self.connect(self.fm_demod,self.rds_signal_filter,(self.rds_signal_generator,0)) # take rds_carrier_generator output and send into mixer 1 # channel self.connect(self.rds_carrier_generator,(self.rds_signal_generator,1)) # send basebanded rds signal and send into "processor" # which for now is a null sink self.connect(self.rds_signal_generator,self_rds_signal_processor) if 1: # pick off the audio, L+R that is what we used to have and # send it to the summer self.connect(self.fm_demod, self.audio_filter, (self.Make_Left, 1)) # take the picked off L+R audio and send it to the PLUS # side of the subtractor self.connect(self.audio_filter,(self.Make_Right, 0)) # The result of Make_Left gets (L+R) + (L-R) and results in 2*L # The result of Make_Right gets (L+R) - (L-R) and results in 2*R self.connect(self.Make_Left , self.deemph_Left, (self, 0)) self.connect(self.Make_Right, self.deemph_Right, (self, 1))
def __init__(self): gr.top_block.__init__(self, "Not titled yet") Qt.QWidget.__init__(self) self.setWindowTitle("Not titled yet") qtgui.util.check_set_qss() try: self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc')) except: pass self.top_scroll_layout = Qt.QVBoxLayout() self.setLayout(self.top_scroll_layout) self.top_scroll = Qt.QScrollArea() self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame) self.top_scroll_layout.addWidget(self.top_scroll) self.top_scroll.setWidgetResizable(True) self.top_widget = Qt.QWidget() self.top_scroll.setWidget(self.top_widget) self.top_layout = Qt.QVBoxLayout(self.top_widget) self.top_grid_layout = Qt.QGridLayout() self.top_layout.addLayout(self.top_grid_layout) self.settings = Qt.QSettings("GNU Radio", "gnuAM") try: if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"): self.restoreGeometry( self.settings.value("geometry").toByteArray()) else: self.restoreGeometry(self.settings.value("geometry")) except: pass ################################################## # Variables ################################################## self.samp_rate = samp_rate = 10e6 self.carrier_min_freq = carrier_min_freq = 995e3 self.carrier_max_freq = carrier_max_freq = 1005e3 self.taps_LP = taps_LP = firdes.low_pass(1.0, samp_rate, 1e3, 2e3, firdes.WIN_HAMMING, 6.76) self.taps_BP_PLL = taps_BP_PLL = firdes.band_pass( 1.0, samp_rate, carrier_min_freq, carrier_max_freq, 10e3, firdes.WIN_HAMMING, 6.76) ################################################## # Blocks ################################################## self.views = Qt.QTabWidget() self.views_widget_0 = Qt.QWidget() self.views_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.views_widget_0) self.views_grid_layout_0 = Qt.QGridLayout() self.views_layout_0.addLayout(self.views_grid_layout_0) self.views.addTab(self.views_widget_0, 'Señal recibida') self.views_widget_1 = Qt.QWidget() self.views_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.views_widget_1) self.views_grid_layout_1 = Qt.QGridLayout() self.views_layout_1.addLayout(self.views_grid_layout_1) self.views.addTab(self.views_widget_1, 'Envolvente') self.views_widget_2 = Qt.QWidget() self.views_layout_2 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.views_widget_2) self.views_grid_layout_2 = Qt.QGridLayout() self.views_layout_2.addLayout(self.views_grid_layout_2) self.views.addTab(self.views_widget_2, 'Sincronico') self.top_grid_layout.addWidget(self.views) self.qtgui_time_sink_x_1_0 = qtgui.time_sink_c( 4096, #size samp_rate, #samp_rate "Señal en tiempo", #name 1 #number of inputs ) self.qtgui_time_sink_x_1_0.set_update_time(0.10) self.qtgui_time_sink_x_1_0.set_y_axis(-2, 2) self.qtgui_time_sink_x_1_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_1_0.enable_tags(True) self.qtgui_time_sink_x_1_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_1_0.enable_autoscale(False) self.qtgui_time_sink_x_1_0.enable_grid(False) self.qtgui_time_sink_x_1_0.enable_axis_labels(True) self.qtgui_time_sink_x_1_0.enable_control_panel(False) self.qtgui_time_sink_x_1_0.enable_stem_plot(False) labels = [ 'Real', 'Imag', 'Signal 3', 'Signal 4', 'Signal 5', 'Signal 6', 'Signal 7', 'Signal 8', 'Signal 9', 'Signal 10' ] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ 'blue', 'red', 'green', 'black', 'cyan', 'magenta', 'yellow', 'dark red', 'dark green', 'dark blue' ] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] for i in range(2): if len(labels[i]) == 0: if (i % 2 == 0): self.qtgui_time_sink_x_1_0.set_line_label( i, "Re{{Data {0}}}".format(i / 2)) else: self.qtgui_time_sink_x_1_0.set_line_label( i, "Im{{Data {0}}}".format(i / 2)) else: self.qtgui_time_sink_x_1_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_1_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_1_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_1_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_1_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_1_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_1_0_win = sip.wrapinstance( self.qtgui_time_sink_x_1_0.pyqwidget(), Qt.QWidget) self.views_layout_2.addWidget(self._qtgui_time_sink_x_1_0_win) self.qtgui_time_sink_x_1 = qtgui.time_sink_c( 2048, #size samp_rate, #samp_rate "Señal en tiempo", #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(-2, 2) 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 = [ 'Real', 'Imag', 'Signal 3', 'Signal 4', 'Signal 5', 'Signal 6', 'Signal 7', 'Signal 8', 'Signal 9', 'Signal 10' ] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ 'blue', 'red', 'green', 'black', 'cyan', 'magenta', 'yellow', 'dark red', 'dark green', 'dark blue' ] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] for i in range(2): if len(labels[i]) == 0: if (i % 2 == 0): self.qtgui_time_sink_x_1.set_line_label( i, "Re{{Data {0}}}".format(i / 2)) else: self.qtgui_time_sink_x_1.set_line_label( i, "Im{{Data {0}}}".format(i / 2)) 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.views_layout_0.addWidget(self._qtgui_time_sink_x_1_win) self.qtgui_time_sink_x_0 = qtgui.time_sink_f( 1024, #size samp_rate, #samp_rate "Mensaje recuperado", #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(True) self.qtgui_time_sink_x_0.enable_grid(False) self.qtgui_time_sink_x_0.enable_axis_labels(True) self.qtgui_time_sink_x_0.enable_control_panel(False) self.qtgui_time_sink_x_0.enable_stem_plot(False) labels = [ 'msg', 'Signal 2', 'Signal 3', 'Signal 4', 'Signal 5', 'Signal 6', 'Signal 7', 'Signal 8', 'Signal 9', 'Signal 10' ] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ 'blue', 'red', 'green', 'black', 'cyan', 'magenta', 'yellow', 'dark red', 'dark green', 'dark blue' ] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] for i in range(1): if len(labels[i]) == 0: self.qtgui_time_sink_x_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_time_sink_x_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_0_win = sip.wrapinstance( self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget) self.views_layout_1.addWidget(self._qtgui_time_sink_x_0_win) self.qtgui_freq_sink_x_1 = qtgui.freq_sink_f( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw "Espectro del mensaje", #name 1) self.qtgui_freq_sink_x_1.set_update_time(0.10) self.qtgui_freq_sink_x_1.set_y_axis(-140, 10) self.qtgui_freq_sink_x_1.set_y_label('Relative Gain', 'dB') self.qtgui_freq_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "") self.qtgui_freq_sink_x_1.enable_autoscale(False) self.qtgui_freq_sink_x_1.enable_grid(False) self.qtgui_freq_sink_x_1.set_fft_average(1.0) self.qtgui_freq_sink_x_1.enable_axis_labels(True) self.qtgui_freq_sink_x_1.enable_control_panel(False) self.qtgui_freq_sink_x_1.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 range(1): if len(labels[i]) == 0: self.qtgui_freq_sink_x_1.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_freq_sink_x_1.set_line_label(i, labels[i]) self.qtgui_freq_sink_x_1.set_line_width(i, widths[i]) self.qtgui_freq_sink_x_1.set_line_color(i, colors[i]) self.qtgui_freq_sink_x_1.set_line_alpha(i, alphas[i]) self._qtgui_freq_sink_x_1_win = sip.wrapinstance( self.qtgui_freq_sink_x_1.pyqwidget(), Qt.QWidget) self.views_layout_1.addWidget(self._qtgui_freq_sink_x_1_win) self.qtgui_freq_sink_x_0_0 = qtgui.freq_sink_c( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw "Espectro de la Señal", #name 1) self.qtgui_freq_sink_x_0_0.set_update_time(0.10) self.qtgui_freq_sink_x_0_0.set_y_axis(-140, 10) self.qtgui_freq_sink_x_0_0.set_y_label('Relative Gain', 'dB') 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_axis_labels(True) self.qtgui_freq_sink_x_0_0.enable_control_panel(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_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.views_layout_2.addWidget(self._qtgui_freq_sink_x_0_0_win) self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw "Espectro de la Señal", #name 1) 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) 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.views_layout_0.addWidget(self._qtgui_freq_sink_x_0_win) self.interp_fir_filter_xxx_0 = filter.interp_fir_filter_ccc( 1, taps_BP_PLL) self.interp_fir_filter_xxx_0.declare_sample_delay(0) self.fir_filter_xxx_1 = filter.fir_filter_ccc(1, taps_LP) self.fir_filter_xxx_1.declare_sample_delay(0) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1, samp_rate, True) self.blocks_multiply_conjugate_cc_0 = blocks.multiply_conjugate_cc(1) self.blocks_file_source_0 = blocks.file_source( gr.sizeof_gr_complex * 1, '/home/fran/Documents/UCA/4to año/Radiodifusión/git/Radiodifusion/TP1/Parte2/TPAMb.dat', True, 0, 0) self.blocks_file_source_0.set_begin_tag(pmt.PMT_NIL) self.blocks_complex_to_mag_0 = blocks.complex_to_mag(1) self.analog_pll_refout_cc_0 = analog.pll_refout_cc( np.pi / 200, 2 * np.pi * (carrier_max_freq / samp_rate), 2 * np.pi * (carrier_min_freq / samp_rate)) ################################################## # Connections ################################################## self.connect((self.analog_pll_refout_cc_0, 0), (self.blocks_multiply_conjugate_cc_0, 1)) self.connect((self.blocks_complex_to_mag_0, 0), (self.qtgui_freq_sink_x_1, 0)) self.connect((self.blocks_complex_to_mag_0, 0), (self.qtgui_time_sink_x_0, 0)) self.connect((self.blocks_file_source_0, 0), (self.blocks_throttle_0, 0)) self.connect((self.blocks_multiply_conjugate_cc_0, 0), (self.fir_filter_xxx_1, 0)) self.connect((self.blocks_throttle_0, 0), (self.blocks_complex_to_mag_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.blocks_multiply_conjugate_cc_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.interp_fir_filter_xxx_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.qtgui_freq_sink_x_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.qtgui_time_sink_x_1, 0)) self.connect((self.fir_filter_xxx_1, 0), (self.qtgui_freq_sink_x_0_0, 0)) self.connect((self.fir_filter_xxx_1, 0), (self.qtgui_time_sink_x_1_0, 0)) self.connect((self.interp_fir_filter_xxx_0, 0), (self.analog_pll_refout_cc_0, 0))
def __init__(self, demod_rate, audio_decimation, deemph_tau): """ Hierarchical block for demodulating a broadcast FM signal. The input is the downconverted complex baseband signal (gr_complex). The output is two streams of the demodulated audio (float) 0=Left, 1=Right. Args: demod_rate: input sample rate of complex baseband input. (float) audio_decimation: how much to decimate demod_rate to get to audio. (integer) deemph_tau: deemphasis ime constant in seconds (75us in US, 50us in EUR). (float) """ gr.hier_block2.__init__(self, "wfm_rcv_pll", # Input signature gr.io_signature(1, 1, gr.sizeof_gr_complex), gr.io_signature(2, 2, gr.sizeof_float)) # Output signature if audio_decimation != int(audio_decimation): raise ValueError("audio_decimation needs to be an integer") audio_decimation = int(audio_decimation) ################################################## # Variables ################################################## self.demod_rate = demod_rate self.deemph_tau = deemph_tau self.stereo_carrier_filter_coeffs = stereo_carrier_filter_coeffs = firdes.band_pass( -2.0, demod_rate, 37600, 38400, 400, fft.window.WIN_HAMMING, 6.76) self.pilot_carrier_filter_coeffs = pilot_carrier_filter_coeffs = firdes.complex_band_pass( 1.0, demod_rate, 18980, 19020, 1500, fft.window.WIN_HAMMING, 6.76) self.deviation = deviation = 75000 self.audio_filter_coeffs = audio_filter_coeffs = firdes.low_pass( 1, demod_rate, 15000, 1500, fft.window.WIN_HAMMING, 6.76) self.audio_decim = audio_decim = audio_decimation self.audio_rate = audio_rate = demod_rate / audio_decim self.samp_delay = samp_delay = (len( pilot_carrier_filter_coeffs) - 1) // 2 + (len(stereo_carrier_filter_coeffs) - 1) // 2 ################################################## # Blocks ################################################## self.pilot_carrier_bpf = filter.fir_filter_fcc( 1, pilot_carrier_filter_coeffs) self.pilot_carrier_bpf.declare_sample_delay(0) self.stereo_carrier_bpf = filter.fft_filter_fff( 1, stereo_carrier_filter_coeffs, 1) self.stereo_carrier_bpf.declare_sample_delay(0) self.stereo_audio_lpf = filter.fft_filter_fff( audio_decim, audio_filter_coeffs, 1) self.stereo_audio_lpf.declare_sample_delay(0) self.mono_audio_lpf = filter.fft_filter_fff( audio_decim, audio_filter_coeffs, 1) self.mono_audio_lpf.declare_sample_delay(0) self.blocks_stereo_multiply = blocks.multiply_ff(1) self.blocks_pilot_multiply = blocks.multiply_cc(1) self.blocks_complex_to_imag = blocks.complex_to_imag(1) self.blocks_right_sub = blocks.sub_ff(1) self.blocks_left_add = blocks.add_ff(1) self.analog_quadrature_demod_cf = analog.quadrature_demod_cf( demod_rate / (2 * math.pi * deviation)) self.analog_pll_refout_cc = analog.pll_refout_cc( 0.001, 2 * math.pi * 19200 / demod_rate, 2 * math.pi * 18800 / demod_rate) self.analog_right_fm_deemph = analog.fm_deemph( fs=audio_rate, tau=deemph_tau) self.analog_left_fm_deemph = analog.fm_deemph( fs=audio_rate, tau=deemph_tau) self.blocks_delay_0 = blocks.delay(gr.sizeof_float * 1, samp_delay) ################################################## # Connections ################################################## self.connect((self.analog_left_fm_deemph, 0), (self, 0)) self.connect((self.analog_right_fm_deemph, 0), (self, 1)) self.connect((self.analog_pll_refout_cc, 0), (self.blocks_pilot_multiply, 1)) self.connect((self.analog_pll_refout_cc, 0), (self.blocks_pilot_multiply, 0)) self.connect((self.analog_quadrature_demod_cf, 0), (self.blocks_delay_0, 0)) self.connect((self.blocks_delay_0, 0), (self.blocks_stereo_multiply, 0)) self.connect((self.blocks_delay_0, 0), (self.mono_audio_lpf, 0)) self.connect((self.analog_quadrature_demod_cf, 0), (self.pilot_carrier_bpf, 0)) self.connect((self.blocks_left_add, 0), (self.analog_left_fm_deemph, 0)) self.connect((self.blocks_right_sub, 0), (self.analog_right_fm_deemph, 0)) self.connect((self.blocks_complex_to_imag, 0), (self.stereo_carrier_bpf, 0)) self.connect((self.blocks_pilot_multiply, 0), (self.blocks_complex_to_imag, 0)) self.connect((self.blocks_stereo_multiply, 0), (self.stereo_audio_lpf, 0)) # L - R path self.connect((self.mono_audio_lpf, 0), (self.blocks_left_add, 1)) self.connect((self.mono_audio_lpf, 0), (self.blocks_right_sub, 0)) self.connect((self.stereo_audio_lpf, 0), (self.blocks_left_add, 0)) self.connect((self.stereo_audio_lpf, 0), (self.blocks_right_sub, 1)) self.connect((self.stereo_carrier_bpf, 0), (self.blocks_stereo_multiply, 1)) self.connect((self.pilot_carrier_bpf, 0), (self.analog_pll_refout_cc, 0)) self.connect((self, 0), (self.analog_quadrature_demod_cf, 0))
def __init__(self): gr.top_block.__init__(self, "Stereo Fm") Qt.QWidget.__init__(self) self.setWindowTitle("Stereo Fm") 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", "stereo_fm") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Variables ################################################## self.demod_rate = demod_rate = 192000 self.audio_decimation = audio_decimation = 4 self.audio_rate = audio_rate = demod_rate / audio_decimation self.width_of_transition_band = width_of_transition_band = audio_rate / 32 self.volume = volume = 1 self.stereo_carr_loop_bw = stereo_carr_loop_bw = 2.0 * math.pi * 10 / 100 self.samp_rate = samp_rate = 1000e3 self.range1 = range1 = 88.1 self.max_freq = max_freq = 2.0 * math.pi * (80) * 1e3 / demod_rate self.loop_bw = loop_bw = 2.0 * math.pi * 28 / 100 ################################################## # Blocks ################################################## self._range1_layout = Qt.QVBoxLayout() self._range1_tool_bar = Qt.QToolBar(self) self._range1_layout.addWidget(self._range1_tool_bar) self._range1_tool_bar.addWidget(Qt.QLabel("Tune" + ": ")) 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._range1_counter = qwt_counter_pyslot() self._range1_counter.setRange(88, 108, 0.1) self._range1_counter.setNumButtons(2) self._range1_counter.setValue(self.range1) self._range1_tool_bar.addWidget(self._range1_counter) self._range1_counter.valueChanged.connect(self.set_range1) self._range1_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot) self._range1_slider.setRange(88, 108, 0.1) self._range1_slider.setValue(self.range1) self._range1_slider.setMinimumWidth(200) self._range1_slider.valueChanged.connect(self.set_range1) self._range1_layout.addWidget(self._range1_slider) self.top_layout.addLayout(self._range1_layout) 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(0.000001, 100, 0.01) 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(0.000001, 100, 0.01) 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_layout.addLayout(self._volume_layout) self.stereo_carrier_pll_recovery = analog.pll_refout_cc( stereo_carr_loop_bw, -2.0 * math.pi * 18990 / demod_rate, -2.0 * math.pi * 19010 / demod_rate ) self.stereo_carrier__filter = filter.fir_filter_fcc( 1, firdes.complex_band_pass(1, demod_rate, -19020, -18980, width_of_transition_band, firdes.WIN_HAMMING, 6.76), ) self.stereo_carr_gen = blocks.multiply_vcc(1) self.rtl2832_source_0 = baz.rtl_source_c(defer_creation=True, output_size=gr.sizeof_gr_complex) self.rtl2832_source_0.set_verbose(True) self.rtl2832_source_0.set_vid(0x0) self.rtl2832_source_0.set_pid(0x0) self.rtl2832_source_0.set_tuner_name("") self.rtl2832_source_0.set_default_timeout(0) self.rtl2832_source_0.set_use_buffer(True) self.rtl2832_source_0.set_fir_coefficients(([])) self.rtl2832_source_0.set_read_length(0) if self.rtl2832_source_0.create() == False: raise Exception("Failed to create RTL2832 Source: rtl2832_source_0") self.rtl2832_source_0.set_sample_rate(samp_rate) self.rtl2832_source_0.set_frequency(range1 * 1e6) self.rtl2832_source_0.set_auto_gain_mode(True) self.rtl2832_source_0.set_relative_gain(True) self.rtl2832_source_0.set_gain(1) self.root_raised_cosine_filter_0 = filter.fir_filter_ccf( 1, firdes.root_raised_cosine(1, 192000, 2375 / 2, 0.4, 100) ) self.rational_resampler_xxx_0_0 = filter.rational_resampler_ccc( interpolation=demod_rate, decimation=int(samp_rate), taps=None, fractional_bw=None ) self.qtgui_const_sink_x_1 = qtgui.const_sink_c(1024, "", 1) # size # name # number of inputs self.qtgui_const_sink_x_1.set_update_time(0.10) self.qtgui_const_sink_x_1.set_y_axis(-2, 2) self.qtgui_const_sink_x_1.set_x_axis(-2, 2) self.qtgui_const_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.qtgui_const_sink_x_1.enable_autoscale(True) self.qtgui_const_sink_x_1.enable_grid(True) labels = ["", "", "", "", "", "", "", "", "", ""] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "red", "red", "red", "red", "red", "red", "red", "red"] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.qtgui_const_sink_x_1.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_const_sink_x_1.set_line_label(i, labels[i]) self.qtgui_const_sink_x_1.set_line_width(i, widths[i]) self.qtgui_const_sink_x_1.set_line_color(i, colors[i]) self.qtgui_const_sink_x_1.set_line_style(i, styles[i]) self.qtgui_const_sink_x_1.set_line_marker(i, markers[i]) self.qtgui_const_sink_x_1.set_line_alpha(i, alphas[i]) self._qtgui_const_sink_x_1_win = sip.wrapinstance(self.qtgui_const_sink_x_1.pyqwidget(), Qt.QWidget) self.top_layout.addWidget(self._qtgui_const_sink_x_1_win) self.fm_demod = analog.pll_freqdet_cf(loop_bw, max_freq, -max_freq) self.digital_mpsk_receiver_cc_0 = digital.mpsk_receiver_cc( 2, 0, 1 * cmath.pi / 100.0, -0.06, 0.06, 0.5, 0.05, demod_rate / 2375.0, 0.001, 0.005 ) self.RDS_signal_gen = blocks.multiply_vcc(1) self.RDS_sig_filter = filter.fir_filter_fcc( 1, firdes.complex_band_pass( 1, demod_rate, 57000 - 1500, 57000 + 1500, width_of_transition_band, firdes.WIN_HAMMING, 6.76 ), ) self.RDS_carr_gen = blocks.multiply_vcc(1) ################################################## # Connections ################################################## self.connect((self.RDS_carr_gen, 0), (self.RDS_signal_gen, 0)) self.connect((self.RDS_sig_filter, 0), (self.RDS_signal_gen, 1)) self.connect((self.RDS_signal_gen, 0), (self.root_raised_cosine_filter_0, 0)) self.connect((self.digital_mpsk_receiver_cc_0, 0), (self.qtgui_const_sink_x_1, 0)) self.connect((self.fm_demod, 0), (self.RDS_sig_filter, 0)) self.connect((self.fm_demod, 0), (self.stereo_carrier__filter, 0)) self.connect((self.rational_resampler_xxx_0_0, 0), (self.fm_demod, 0)) self.connect((self.root_raised_cosine_filter_0, 0), (self.digital_mpsk_receiver_cc_0, 0)) self.connect((self.rtl2832_source_0, 0), (self.rational_resampler_xxx_0_0, 0)) self.connect((self.stereo_carr_gen, 0), (self.RDS_carr_gen, 1)) self.connect((self.stereo_carrier__filter, 0), (self.stereo_carrier_pll_recovery, 0)) self.connect((self.stereo_carrier_pll_recovery, 0), (self.RDS_carr_gen, 0)) self.connect((self.stereo_carrier_pll_recovery, 0), (self.stereo_carr_gen, 1)) self.connect((self.stereo_carrier_pll_recovery, 0), (self.stereo_carr_gen, 0))
def __init__(self): grc_wxgui.top_block_gui.__init__(self, title="FM Stereo Receiver") ################################################## # Variables ################################################## self.smux_filt_samprate = smux_filt_samprate = 256e3 self.smux_decim = smux_decim = 8 self.samp_rate = samp_rate = 2.048e6 self.right_gain = right_gain = 3 self.left_gain = left_gain = 3 self.bpf_base = bpf_base = 23e3 self.RF_Gain = RF_Gain = 45 self.CF = CF = 99.3e6 ################################################## # Blocks ################################################## self._samp_rate_text_box = forms.text_box( parent=self.GetWin(), value=self.samp_rate, callback=self.set_samp_rate, label= "Sample Rate: 1.024M, 1.4M, 1.8M, 1.92M, 2.048M, 2.4M & 2. 56M", converter=forms.float_converter(), ) self.GridAdd(self._samp_rate_text_box, 1, 0, 1, 1) _right_gain_sizer = wx.BoxSizer(wx.VERTICAL) self._right_gain_text_box = forms.text_box( parent=self.GetWin(), sizer=_right_gain_sizer, value=self.right_gain, callback=self.set_right_gain, label="R Audio Gain", converter=forms.float_converter(), proportion=0, ) self._right_gain_slider = forms.slider( parent=self.GetWin(), sizer=_right_gain_sizer, value=self.right_gain, callback=self.set_right_gain, minimum=0, maximum=5, num_steps=100, style=wx.SL_HORIZONTAL, cast=float, proportion=1, ) self.GridAdd(_right_gain_sizer, 0, 1, 1, 1) self.notebook_0 = self.notebook_0 = wx.Notebook(self.GetWin(), style=wx.NB_TOP) self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "BB Spectrum") self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "Demod Spectrum") self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "Stereo Spectrum") self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "Stereo Signal") self.GridAdd(self.notebook_0, 2, 0, 1, 2) _left_gain_sizer = wx.BoxSizer(wx.VERTICAL) self._left_gain_text_box = forms.text_box( parent=self.GetWin(), sizer=_left_gain_sizer, value=self.left_gain, callback=self.set_left_gain, label="L Audio Gain", converter=forms.float_converter(), proportion=0, ) self._left_gain_slider = forms.slider( parent=self.GetWin(), sizer=_left_gain_sizer, value=self.left_gain, callback=self.set_left_gain, minimum=0, maximum=5, num_steps=100, style=wx.SL_HORIZONTAL, cast=float, proportion=1, ) self.GridAdd(_left_gain_sizer, 0, 0, 1, 1) _RF_Gain_sizer = wx.BoxSizer(wx.VERTICAL) self._RF_Gain_text_box = forms.text_box( parent=self.GetWin(), sizer=_RF_Gain_sizer, value=self.RF_Gain, callback=self.set_RF_Gain, label="RF Gain", converter=forms.float_converter(), proportion=0, ) self._RF_Gain_slider = forms.slider( parent=self.GetWin(), sizer=_RF_Gain_sizer, value=self.RF_Gain, callback=self.set_RF_Gain, minimum=0, maximum=100, num_steps=45, style=wx.SL_HORIZONTAL, cast=float, proportion=1, ) self.GridAdd(_RF_Gain_sizer, 1, 1, 1, 1) self.wxgui_waterfallsink2_0 = waterfallsink2.waterfall_sink_c( self.notebook_0.GetPage(0).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="Baseband Waterfall", size=(800, 100), ) self.notebook_0.GetPage(0).GridAdd(self.wxgui_waterfallsink2_0.win, 3, 0, 1, 2) self.wxgui_scopesink2_0 = scopesink2.scope_sink_f( self.notebook_0.GetPage(3).GetWin(), title="Scope Plot", sample_rate=32e3, v_scale=0, v_offset=0, t_scale=0, ac_couple=False, xy_mode=False, num_inputs=2, trig_mode=wxgui.TRIG_MODE_AUTO, y_axis_label="Counts", size=(800, 500), ) self.notebook_0.GetPage(3).Add(self.wxgui_scopesink2_0.win) self.wxgui_fftsink2_0_1 = fftsink2.fft_sink_f( self.notebook_0.GetPage(2).GetWin(), baseband_freq=0, y_per_div=10, y_divs=10, ref_level=0, ref_scale=2.0, sample_rate=32e3, fft_size=1024, fft_rate=15, average=False, avg_alpha=None, title="Difference FFT ", peak_hold=False, ) self.notebook_0.GetPage(2).Add(self.wxgui_fftsink2_0_1.win) self.wxgui_fftsink2_0_0_0 = fftsink2.fft_sink_f( self.notebook_0.GetPage(1).GetWin(), baseband_freq=0, y_per_div=10, y_divs=10, ref_level=0, ref_scale=2.0, sample_rate=samp_rate / 8, fft_size=1024, fft_rate=15, average=False, avg_alpha=None, title="Demodulated FFT", peak_hold=False, size=(800, 800), ) self.notebook_0.GetPage(1).Add(self.wxgui_fftsink2_0_0_0.win) self.wxgui_fftsink2_0_0 = fftsink2.fft_sink_c( self.notebook_0.GetPage(0).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="Baseband FFT", peak_hold=False, size=(800, 100), ) self.notebook_0.GetPage(0).GridAdd(self.wxgui_fftsink2_0_0.win, 2, 0, 1, 2) self.wxgui_fftsink2_0 = fftsink2.fft_sink_f( self.notebook_0.GetPage(2).GetWin(), baseband_freq=0, y_per_div=10, y_divs=10, ref_level=0, ref_scale=2.0, sample_rate=32e3, fft_size=1024, fft_rate=15, average=False, avg_alpha=None, title="Sum FFT", peak_hold=False, ) self.notebook_0.GetPage(2).Add(self.wxgui_fftsink2_0.win) self.rfgain = blocks.multiply_const_vcc((RF_Gain, )) self.low_pass_filter_1_0 = filter.fir_filter_fff( smux_decim, firdes.low_pass(1, smux_filt_samprate, 15e3, 500, firdes.WIN_HAMMING, 1)) self.low_pass_filter_0 = filter.fir_filter_ccf( 2, firdes.low_pass(2, samp_rate / 4, 100e3, 500, firdes.WIN_KAISER, 6.76)) self.iir_filter_xxx_0 = filter.iir_filter_ccf( (-0.00266, 0.00504, -0.00309, -0.00136, 0.00663, -0.01052, 0.01103, -0.00731, 0.00016, 0.00800, -0.01396, 0.01490, -0.00971, -0.00035, 0.01173, -0.01979, 0.02054, -0.01240, -0.00273, 0.01960, -0.03122, 0.03124, -0.01669, -0.01017, 0.04137, -0.06448, 0.06476, -0.02634, -0.07449, 0.33571, -0.00000, -0.33571, 0.07449, 0.02634, -0.06476, 0.06448, -0.04137, 0.01017, 0.01669, -0.03124, 0.03122, -0.01960, 0.00273, 0.01240, -0.02054, 0.01979, -0.01173, 0.00035, 0.00971, -0.01490, 0.01396, -0.00800, -0.00016, 0.00731, -0.01103, 0.01052, -0.00663, 0.00136, 0.00309, -0.00504, 0.00266), (1, ), False) self.fir_filter_xxx_0_0 = filter.fir_filter_ccf(4, (1, 1, 1, 1)) self.fir_filter_xxx_0_0.declare_sample_delay(0) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1, samp_rate, True) self.blocks_sub_xx_0 = blocks.sub_ff(1) self.blocks_multiply_xx_1_0 = blocks.multiply_vcc(1) self.blocks_multiply_xx_0 = blocks.multiply_vff(1) self.blocks_multiply_const_vxx_0_0 = blocks.multiply_const_vff( (right_gain, )) self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff( (left_gain, )) self.blocks_multiply_conjugate_cc_0 = blocks.multiply_conjugate_cc(1) self.blocks_float_to_complex_0 = blocks.float_to_complex(1) self.blocks_file_source_0_0 = blocks.file_source( gr.sizeof_gr_complex * 1, "/Users/bretttt/iCloud_drive/16S/engs110/project/radio_dat/IQ_Data_STEREO1", True) self.blocks_divide_xx_1 = blocks.divide_cc(1) self.blocks_delay_2 = blocks.delay(gr.sizeof_gr_complex * 1, 30) self.blocks_complex_to_real_0 = blocks.complex_to_real(1) self.blocks_complex_to_mag_0 = blocks.complex_to_mag(1) self.blocks_complex_to_imag_0 = blocks.complex_to_imag(1) self.blocks_add_xx_0 = blocks.add_vff(1) self.blocks_add_const_vxx_0 = blocks.add_const_vcc((0.1, )) self.baseband_LPF = filter.fir_filter_fff( smux_decim, firdes.low_pass(1, smux_filt_samprate, 15e3, 500, firdes.WIN_KAISER, 6.76)) self.band_pass_filter_0_0_0 = filter.fir_filter_fcc( 1, firdes.complex_band_pass(1, smux_filt_samprate, 18000, 20000, 1000, firdes.WIN_KAISER, 1)) self.band_pass_filter_0 = filter.fir_filter_fff( 1, firdes.band_pass(1, smux_filt_samprate, bpf_base, bpf_base + 30e3, 500, firdes.WIN_KAISER, 6.76)) self.audio_sink_0_0_0_0 = audio.sink(32000, "", True) self.analog_pll_refout_cc_0_0 = analog.pll_refout_cc( 3.14 / 100, 0.152 * 3.14, 0.144 * 3.14) self.analog_fm_deemph_0_0 = analog.fm_deemph(fs=samp_rate / 8, tau=75e-6) self.analog_fm_deemph_0 = analog.fm_deemph(fs=samp_rate / 8, tau=75e-6) self.analog_const_source_x_0 = analog.sig_source_f( 0, analog.GR_CONST_WAVE, 0, 0, 0) _CF_sizer = wx.BoxSizer(wx.VERTICAL) self._CF_text_box = forms.text_box( parent=self.GetWin(), sizer=_CF_sizer, value=self.CF, callback=self.set_CF, label="Center Frequency", converter=forms.float_converter(), proportion=0, ) self._CF_slider = forms.slider( parent=self.GetWin(), sizer=_CF_sizer, value=self.CF, callback=self.set_CF, minimum=80e6, maximum=108e6, num_steps=280, style=wx.SL_HORIZONTAL, cast=float, proportion=1, ) self.GridAdd(_CF_sizer, 3, 0, 1, 2) ################################################## # Connections ################################################## self.connect((self.analog_const_source_x_0, 0), (self.blocks_float_to_complex_0, 1)) self.connect((self.analog_fm_deemph_0, 0), (self.audio_sink_0_0_0_0, 0)) self.connect((self.analog_fm_deemph_0_0, 0), (self.audio_sink_0_0_0_0, 1)) self.connect((self.analog_pll_refout_cc_0_0, 0), (self.blocks_multiply_xx_1_0, 0)) self.connect((self.analog_pll_refout_cc_0_0, 0), (self.blocks_multiply_xx_1_0, 1)) self.connect((self.band_pass_filter_0, 0), (self.blocks_multiply_xx_0, 0)) self.connect((self.band_pass_filter_0_0_0, 0), (self.analog_pll_refout_cc_0_0, 0)) self.connect((self.baseband_LPF, 0), (self.blocks_add_xx_0, 0)) self.connect((self.baseband_LPF, 0), (self.blocks_sub_xx_0, 0)) self.connect((self.blocks_add_const_vxx_0, 0), (self.blocks_divide_xx_1, 1)) self.connect((self.blocks_add_xx_0, 0), (self.blocks_multiply_const_vxx_0, 0)) self.connect((self.blocks_complex_to_imag_0, 0), (self.band_pass_filter_0, 0)) self.connect((self.blocks_complex_to_imag_0, 0), (self.band_pass_filter_0_0_0, 0)) self.connect((self.blocks_complex_to_imag_0, 0), (self.baseband_LPF, 0)) self.connect((self.blocks_complex_to_imag_0, 0), (self.wxgui_fftsink2_0_0_0, 0)) self.connect((self.blocks_complex_to_mag_0, 0), (self.blocks_float_to_complex_0, 0)) self.connect((self.blocks_complex_to_real_0, 0), (self.blocks_multiply_xx_0, 1)) self.connect((self.blocks_delay_2, 0), (self.blocks_multiply_conjugate_cc_0, 1)) self.connect((self.blocks_divide_xx_1, 0), (self.blocks_delay_2, 0)) self.connect((self.blocks_divide_xx_1, 0), (self.iir_filter_xxx_0, 0)) self.connect((self.blocks_file_source_0_0, 0), (self.rfgain, 0)) self.connect((self.blocks_float_to_complex_0, 0), (self.blocks_add_const_vxx_0, 0)) self.connect((self.blocks_multiply_conjugate_cc_0, 0), (self.blocks_complex_to_imag_0, 0)) self.connect((self.blocks_multiply_const_vxx_0, 0), (self.analog_fm_deemph_0, 0)) self.connect((self.blocks_multiply_const_vxx_0, 0), (self.wxgui_fftsink2_0, 0)) self.connect((self.blocks_multiply_const_vxx_0, 0), (self.wxgui_scopesink2_0, 0)) self.connect((self.blocks_multiply_const_vxx_0_0, 0), (self.analog_fm_deemph_0_0, 0)) self.connect((self.blocks_multiply_const_vxx_0_0, 0), (self.wxgui_fftsink2_0_1, 0)) self.connect((self.blocks_multiply_const_vxx_0_0, 0), (self.wxgui_scopesink2_0, 1)) self.connect((self.blocks_multiply_xx_0, 0), (self.low_pass_filter_1_0, 0)) self.connect((self.blocks_multiply_xx_1_0, 0), (self.blocks_complex_to_real_0, 0)) self.connect((self.blocks_sub_xx_0, 0), (self.blocks_multiply_const_vxx_0_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.fir_filter_xxx_0_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.wxgui_fftsink2_0_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.wxgui_waterfallsink2_0, 0)) self.connect((self.fir_filter_xxx_0_0, 0), (self.low_pass_filter_0, 0)) self.connect((self.iir_filter_xxx_0, 0), (self.blocks_multiply_conjugate_cc_0, 0)) self.connect((self.low_pass_filter_0, 0), (self.blocks_complex_to_mag_0, 0)) self.connect((self.low_pass_filter_0, 0), (self.blocks_divide_xx_1, 0)) self.connect((self.low_pass_filter_1_0, 0), (self.blocks_add_xx_0, 1)) self.connect((self.low_pass_filter_1_0, 0), (self.blocks_sub_xx_0, 1)) self.connect((self.rfgain, 0), (self.blocks_throttle_0, 0))
def __init__(self, *args, **kwds): # begin wxGlade: MyFrame.__init__ kwds["style"] = wx.DEFAULT_FRAME_STYLE wx.Frame.__init__(self, *args, **kwds) # Menu Bar self.frame_1_menubar = wx.MenuBar() self.SetMenuBar(self.frame_1_menubar) wxglade_tmp_menu = wx.Menu() self.Exit = wx.MenuItem(wxglade_tmp_menu, ID_EXIT, "Exit", "Exit", wx.ITEM_NORMAL) wxglade_tmp_menu.AppendItem(self.Exit) self.frame_1_menubar.Append(wxglade_tmp_menu, "File") # Menu Bar end self.panel_1 = wx.Panel(self, -1) self.button_1 = wx.Button(self, ID_BUTTON_1, "LSB") self.button_2 = wx.Button(self, ID_BUTTON_2, "USB") self.button_3 = wx.Button(self, ID_BUTTON_3, "AM") self.button_4 = wx.Button(self, ID_BUTTON_4, "CW") self.button_5 = wx.ToggleButton(self, ID_BUTTON_5, "Upper") self.slider_fcutoff_hi = wx.Slider(self, ID_SLIDER_1, 0, -15798, 15799, style=wx.SL_HORIZONTAL | wx.SL_LABELS) self.button_6 = wx.ToggleButton(self, ID_BUTTON_6, "Lower") self.slider_fcutoff_lo = wx.Slider(self, ID_SLIDER_2, 0, -15799, 15798, style=wx.SL_HORIZONTAL | wx.SL_LABELS) self.panel_5 = wx.Panel(self, -1) self.label_1 = wx.StaticText(self, -1, " Band\nCenter") self.text_ctrl_1 = wx.TextCtrl(self, ID_TEXT_1, "") self.panel_6 = wx.Panel(self, -1) self.panel_7 = wx.Panel(self, -1) self.panel_2 = wx.Panel(self, -1) self.button_7 = wx.ToggleButton(self, ID_BUTTON_7, "Freq") self.slider_3 = wx.Slider(self, ID_SLIDER_3, 3000, 0, 6000) self.spin_ctrl_1 = wx.SpinCtrl(self, ID_SPIN_1, "", min=0, max=100) self.button_8 = wx.ToggleButton(self, ID_BUTTON_8, "Vol") self.slider_4 = wx.Slider(self, ID_SLIDER_4, 0, 0, 500) self.slider_5 = wx.Slider(self, ID_SLIDER_5, 0, 0, 20) self.button_9 = wx.ToggleButton(self, ID_BUTTON_9, "Time") self.button_11 = wx.Button(self, ID_BUTTON_11, "Rew") self.button_10 = wx.Button(self, ID_BUTTON_10, "Fwd") self.panel_3 = wx.Panel(self, -1) self.label_2 = wx.StaticText(self, -1, "PGA ") self.panel_4 = wx.Panel(self, -1) self.panel_8 = wx.Panel(self, -1) self.panel_9 = wx.Panel(self, -1) self.label_3 = wx.StaticText(self, -1, "AM Sync\nCarrier") self.slider_6 = wx.Slider(self, ID_SLIDER_6, 50, 0, 200, style=wx.SL_HORIZONTAL | wx.SL_LABELS) self.label_4 = wx.StaticText(self, -1, "Antenna Tune") self.slider_7 = wx.Slider(self, ID_SLIDER_7, 1575, 950, 2200, style=wx.SL_HORIZONTAL | wx.SL_LABELS) self.panel_10 = wx.Panel(self, -1) self.button_12 = wx.ToggleButton(self, ID_BUTTON_12, "Auto Tune") self.button_13 = wx.Button(self, ID_BUTTON_13, "Calibrate") self.button_14 = wx.Button(self, ID_BUTTON_14, "Reset") self.panel_11 = wx.Panel(self, -1) self.panel_12 = wx.Panel(self, -1) self.__set_properties() self.__do_layout() # end wxGlade parser = OptionParser(option_class=eng_option) parser.add_option( "", "--address", type="string", default="addr=192.168.10.2", help="Address of UHD device, [default=%default]", ) parser.add_option( "-c", "--ddc-freq", type="eng_float", default=3.9e6, help="set Rx DDC frequency to FREQ", metavar="FREQ" ) parser.add_option( "-s", "--samp-rate", type="eng_float", default=256e3, help="set sample rate (bandwidth) [default=%default]" ) parser.add_option("-a", "--audio_file", default="", help="audio output file", metavar="FILE") parser.add_option("-r", "--radio_file", default="", help="radio output file", metavar="FILE") parser.add_option("-i", "--input_file", default="", help="radio input file", metavar="FILE") parser.add_option( "-O", "--audio-output", type="string", default="", help="audio output device name. E.g., hw:0,0, /dev/dsp, or pulse", ) (options, args) = parser.parse_args() self.usrp_center = options.ddc_freq input_rate = options.samp_rate self.slider_range = input_rate * 0.9375 self.f_lo = self.usrp_center - (self.slider_range / 2) self.f_hi = self.usrp_center + (self.slider_range / 2) self.af_sample_rate = 32000 fir_decim = long(input_rate / self.af_sample_rate) # data point arrays for antenna tuner self.xdata = [] self.ydata = [] self.tb = gr.top_block() # radio variables, initial conditions self.frequency = self.usrp_center # these map the frequency slider (0-6000) to the actual range self.f_slider_offset = self.f_lo self.f_slider_scale = 10000 self.spin_ctrl_1.SetRange(self.f_lo, self.f_hi) self.text_ctrl_1.SetValue(str(int(self.usrp_center))) self.slider_5.SetValue(0) self.AM_mode = False self.slider_3.SetValue((self.frequency - self.f_slider_offset) / self.f_slider_scale) self.spin_ctrl_1.SetValue(int(self.frequency)) POWERMATE = True try: self.pm = powermate.powermate(self) except: sys.stderr.write("Unable to find PowerMate or Contour Shuttle\n") POWERMATE = False if POWERMATE: powermate.EVT_POWERMATE_ROTATE(self, self.on_rotate) powermate.EVT_POWERMATE_BUTTON(self, self.on_pmButton) self.active_button = 7 # command line options if options.audio_file == "": SAVE_AUDIO_TO_FILE = False else: SAVE_AUDIO_TO_FILE = True if options.radio_file == "": SAVE_RADIO_TO_FILE = False else: SAVE_RADIO_TO_FILE = True if options.input_file == "": self.PLAY_FROM_USRP = True else: self.PLAY_FROM_USRP = False if self.PLAY_FROM_USRP: self.src = uhd.usrp_source(device_addr=options.address, io_type=uhd.io_type.COMPLEX_FLOAT32, num_channels=1) self.src.set_samp_rate(input_rate) input_rate = self.src.get_samp_rate() self.src.set_center_freq(self.usrp_center, 0) self.tune_offset = 0 else: self.src = blocks.file_source(gr.sizeof_short, options.input_file) self.tune_offset = 2200 # 2200 works for 3.5-4Mhz band # convert rf data in interleaved short int form to complex s2ss = blocks.stream_to_streams(gr.sizeof_short, 2) s2f1 = blocks.short_to_float() s2f2 = blocks.short_to_float() src_f2c = blocks.float_to_complex() self.tb.connect(self.src, s2ss) self.tb.connect((s2ss, 0), s2f1) self.tb.connect((s2ss, 1), s2f2) self.tb.connect(s2f1, (src_f2c, 0)) self.tb.connect(s2f2, (src_f2c, 1)) # save radio data to a file if SAVE_RADIO_TO_FILE: radio_file = blocks.file_sink(gr.sizeof_short, options.radio_file) self.tb.connect(self.src, radio_file) # 2nd DDC xlate_taps = filter.firdes.low_pass(1.0, input_rate, 16e3, 4e3, filter.firdes.WIN_HAMMING) self.xlate = filter.freq_xlating_fir_filter_ccf(fir_decim, xlate_taps, self.tune_offset, input_rate) # Complex Audio filter audio_coeffs = filter.firdes.complex_band_pass( 1.0, # gain self.af_sample_rate, # sample rate -3000, # low cutoff 0, # high cutoff 100, # transition filter.firdes.WIN_HAMMING, ) # window self.slider_fcutoff_hi.SetValue(0) self.slider_fcutoff_lo.SetValue(-3000) self.audio_filter = filter.fir_filter_ccc(1, audio_coeffs) # Main +/- 16Khz spectrum display self.fft = fftsink2.fft_sink_c( self.panel_2, fft_size=512, sample_rate=self.af_sample_rate, average=True, size=(640, 240) ) # AM Sync carrier if AM_SYNC_DISPLAY: self.fft2 = fftsink.fft_sink_c( self.tb, self.panel_9, y_per_div=20, fft_size=512, sample_rate=self.af_sample_rate, average=True, size=(640, 240), ) c2f = blocks.complex_to_float() # AM branch self.sel_am = blocks.multiply_const_cc(0) # the following frequencies turn out to be in radians/sample # analog.pll_refout_cc(alpha,beta,min_freq,max_freq) # suggested alpha = X, beta = .25 * X * X pll = analog.pll_refout_cc( 0.5, 0.0625, (2.0 * math.pi * 7.5e3 / self.af_sample_rate), (2.0 * math.pi * 6.5e3 / self.af_sample_rate) ) self.pll_carrier_scale = blocks.multiply_const_cc(complex(10, 0)) am_det = blocks.multiply_cc() # these are for converting +7.5kHz to -7.5kHz # for some reason blocks.conjugate_cc() adds noise ?? c2f2 = blocks.complex_to_float() c2f3 = blocks.complex_to_float() f2c = blocks.float_to_complex() phaser1 = blocks.multiply_const_ff(1) phaser2 = blocks.multiply_const_ff(-1) # filter for pll generated carrier pll_carrier_coeffs = filter.firdes.complex_band_pass( 2.0, # gain self.af_sample_rate, # sample rate 7400, # low cutoff 7600, # high cutoff 100, # transition filter.firdes.WIN_HAMMING, ) # window self.pll_carrier_filter = filter.fir_filter_ccc(1, pll_carrier_coeffs) self.sel_sb = blocks.multiply_const_ff(1) combine = blocks.add_ff() # AGC sqr1 = blocks.multiply_ff() intr = filter.iir_filter_ffd([0.004, 0], [0, 0.999]) offset = blocks.add_const_ff(1) agc = blocks.divide_ff() self.scale = blocks.multiply_const_ff(0.00001) dst = audio.sink(long(self.af_sample_rate), options.audio_output) if self.PLAY_FROM_USRP: self.tb.connect(self.src, self.xlate, self.fft) else: self.tb.connect(src_f2c, self.xlate, self.fft) self.tb.connect(self.xlate, self.audio_filter, self.sel_am, (am_det, 0)) self.tb.connect(self.sel_am, pll, self.pll_carrier_scale, self.pll_carrier_filter, c2f3) self.tb.connect((c2f3, 0), phaser1, (f2c, 0)) self.tb.connect((c2f3, 1), phaser2, (f2c, 1)) self.tb.connect(f2c, (am_det, 1)) self.tb.connect(am_det, c2f2, (combine, 0)) self.tb.connect(self.audio_filter, c2f, self.sel_sb, (combine, 1)) if AM_SYNC_DISPLAY: self.tb.connect(self.pll_carrier_filter, self.fft2) self.tb.connect(combine, self.scale) self.tb.connect(self.scale, (sqr1, 0)) self.tb.connect(self.scale, (sqr1, 1)) self.tb.connect(sqr1, intr, offset, (agc, 1)) self.tb.connect(self.scale, (agc, 0)) self.tb.connect(agc, dst) if SAVE_AUDIO_TO_FILE: f_out = blocks.file_sink(gr.sizeof_short, options.audio_file) sc1 = blocks.multiply_const_ff(64000) f2s1 = blocks.float_to_short() self.tb.connect(agc, sc1, f2s1, f_out) self.tb.start() # for mouse position reporting on fft display self.fft.win.Bind(wx.EVT_LEFT_UP, self.Mouse) # and left click to re-tune self.fft.win.Bind(wx.EVT_LEFT_DOWN, self.Click) # start a timer to check for web commands if WEB_CONTROL: self.timer = UpdateTimer(self, 1000) # every 1000 mSec, 1 Sec wx.EVT_BUTTON(self, ID_BUTTON_1, self.set_lsb) wx.EVT_BUTTON(self, ID_BUTTON_2, self.set_usb) wx.EVT_BUTTON(self, ID_BUTTON_3, self.set_am) wx.EVT_BUTTON(self, ID_BUTTON_4, self.set_cw) wx.EVT_BUTTON(self, ID_BUTTON_10, self.fwd) wx.EVT_BUTTON(self, ID_BUTTON_11, self.rew) wx.EVT_BUTTON(self, ID_BUTTON_13, self.AT_calibrate) wx.EVT_BUTTON(self, ID_BUTTON_14, self.AT_reset) wx.EVT_TOGGLEBUTTON(self, ID_BUTTON_5, self.on_button) wx.EVT_TOGGLEBUTTON(self, ID_BUTTON_6, self.on_button) wx.EVT_TOGGLEBUTTON(self, ID_BUTTON_7, self.on_button) wx.EVT_TOGGLEBUTTON(self, ID_BUTTON_8, self.on_button) wx.EVT_TOGGLEBUTTON(self, ID_BUTTON_9, self.on_button) wx.EVT_SLIDER(self, ID_SLIDER_1, self.set_filter) wx.EVT_SLIDER(self, ID_SLIDER_2, self.set_filter) wx.EVT_SLIDER(self, ID_SLIDER_3, self.slide_tune) wx.EVT_SLIDER(self, ID_SLIDER_4, self.set_volume) wx.EVT_SLIDER(self, ID_SLIDER_5, self.set_pga) wx.EVT_SLIDER(self, ID_SLIDER_6, self.am_carrier) wx.EVT_SLIDER(self, ID_SLIDER_7, self.antenna_tune) wx.EVT_SPINCTRL(self, ID_SPIN_1, self.spin_tune) wx.EVT_MENU(self, ID_EXIT, self.TimeToQuit)
def __init__(self): gr.top_block.__init__( self, "8PSK Modulation and Demodulation with Frequency Correction Simulation" ) Qt.QWidget.__init__(self) self.setWindowTitle( "8PSK Modulation and Demodulation with Frequency Correction Simulation" ) 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", "E8PSK_ModDemod_FC") if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"): self.restoreGeometry(self.settings.value("geometry").toByteArray()) else: self.restoreGeometry( self.settings.value("geometry", type=QtCore.QByteArray)) ################################################## # Variables ################################################## self.RangeRow = RangeRow = 0 self.BiRow = BiRow = RangeRow + 1 self.ConsRow = ConsRow = BiRow + 1 self.samp_rate = samp_rate = 1e6 self.nfilts = nfilts = 100 self.SampSymb = SampSymb = 8 self.FreqRow = FreqRow = ConsRow + 1 self.FDP = FDP = 0.005 self.rrc_taps_0 = rrc_taps_0 = firdes.root_raised_cosine( nfilts, nfilts, 1.0 / float(SampSymb), 0.35, 45 * nfilts) self.min_PLL = min_PLL = 2 * np.pi * (1 / float(SampSymb) - 1 / float(SampSymb) * FDP) self.max_PLL = max_PLL = 2 * np.pi * (1 / float(SampSymb) + 1 / float(SampSymb) * FDP) self.Values = Values = 2 self.TimeRow = TimeRow = FreqRow + 1 self.SPS = SPS = 2 self.QPSK_CO = QPSK_CO = digital.constellation_qpsk().base() self.Noise = Noise = 0 self.LBP_PLL = LBP_PLL = (samp_rate / float(SampSymb) - samp_rate / float(SampSymb) * FDP * 2) self.HBP_PLL = HBP_PLL = (samp_rate / float(SampSymb) + samp_rate / float(SampSymb) * FDP * 2) self.FreqOff = FreqOff = 0.005 ################################################## # Blocks ################################################## self._Noise_range = Range(0, 1, 0.01, 0, 200) self._Noise_win = RangeWidget(self._Noise_range, self.set_Noise, 'Channel Noise', "counter_slider", float) self.top_grid_layout.addWidget(self._Noise_win, 0, 1, 1, 2) [self.top_grid_layout.setRowStretch(r, 1) for r in range(0, 1)] [self.top_grid_layout.setColumnStretch(c, 1) for c in range(1, 3)] self._FreqOff_range = Range(-1, 1, 0.001, 0.005, 200) self._FreqOff_win = RangeWidget(self._FreqOff_range, self.set_FreqOff, 'Frequency Offset', "counter_slider", float) self.top_grid_layout.addWidget(self._FreqOff_win, 0, 3, 1, 1) [self.top_grid_layout.setRowStretch(r, 1) for r in range(0, 1)] [self.top_grid_layout.setColumnStretch(c, 1) for c in range(3, 4)] self.sync_encoder = sync_encoder.blk() self.sync_decoder = sync_decoder.blk() self.repeat_first_byte = repeat_first_byte.blk(repeat=3) self.qtgui_time_sink_x_0_0 = qtgui.time_sink_f( 512, #size samp_rate, #samp_rate "Original vs Received Data", #name 2 #number of inputs ) self.qtgui_time_sink_x_0_0.set_update_time(0.064) self.qtgui_time_sink_x_0_0.set_y_axis(-1, 1) self.qtgui_time_sink_x_0_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_0_0.enable_tags(-1, True) self.qtgui_time_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_0_0.enable_autoscale(True) 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 = ['Original', 'Received', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "blue" ] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(2): 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, 1, 0, 1, 3) [self.top_grid_layout.setRowStretch(r, 1) for r in range(1, 2)] [self.top_grid_layout.setColumnStretch(c, 1) for c in range(0, 3)] self.qtgui_number_sink_0_0 = qtgui.number_sink(gr.sizeof_float, 0, qtgui.NUM_GRAPH_NONE, 1) self.qtgui_number_sink_0_0.set_update_time(0.10) self.qtgui_number_sink_0_0.set_title("BER") labels = [' ', '', '', '', '', '', '', '', '', ''] units = ['', '', '', '', '', '', '', '', '', ''] colors = [("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black")] factor = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] for i in xrange(1): self.qtgui_number_sink_0_0.set_min(i, 0) self.qtgui_number_sink_0_0.set_max(i, 255) self.qtgui_number_sink_0_0.set_color(i, colors[i][0], colors[i][1]) if len(labels[i]) == 0: self.qtgui_number_sink_0_0.set_label(i, "Data {0}".format(i)) else: self.qtgui_number_sink_0_0.set_label(i, labels[i]) self.qtgui_number_sink_0_0.set_unit(i, units[i]) self.qtgui_number_sink_0_0.set_factor(i, factor[i]) self.qtgui_number_sink_0_0.enable_autoscale(False) self._qtgui_number_sink_0_0_win = sip.wrapinstance( self.qtgui_number_sink_0_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_number_sink_0_0_win, 0, 4, 1, 1) [self.top_grid_layout.setRowStretch(r, 1) for r in range(0, 1)] [self.top_grid_layout.setColumnStretch(c, 1) for c in range(4, 5)] self.qtgui_number_sink_0 = qtgui.number_sink(gr.sizeof_float, 0, qtgui.NUM_GRAPH_NONE, 1) self.qtgui_number_sink_0.set_update_time(0.10) self.qtgui_number_sink_0.set_title("First Byte") labels = [' ', '', '', '', '', '', '', '', '', ''] units = ['', '', '', '', '', '', '', '', '', ''] colors = [("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black")] factor = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] for i in xrange(1): self.qtgui_number_sink_0.set_min(i, 0) self.qtgui_number_sink_0.set_max(i, 255) self.qtgui_number_sink_0.set_color(i, colors[i][0], colors[i][1]) if len(labels[i]) == 0: self.qtgui_number_sink_0.set_label(i, "Data {0}".format(i)) else: self.qtgui_number_sink_0.set_label(i, labels[i]) self.qtgui_number_sink_0.set_unit(i, units[i]) self.qtgui_number_sink_0.set_factor(i, factor[i]) self.qtgui_number_sink_0.enable_autoscale(False) self._qtgui_number_sink_0_win = sip.wrapinstance( self.qtgui_number_sink_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_number_sink_0_win, 0, 5, 1, 1) [self.top_grid_layout.setRowStretch(r, 1) for r in range(0, 1)] [self.top_grid_layout.setColumnStretch(c, 1) for c in range(5, 6)] self.qtgui_freq_sink_x_1 = qtgui.freq_sink_c( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw "Pre PSK Demod", #name 2 #number of inputs ) self.qtgui_freq_sink_x_1.set_update_time(0.064) self.qtgui_freq_sink_x_1.set_y_axis(-140, 10) self.qtgui_freq_sink_x_1.set_y_label('Relative Gain', 'dB') self.qtgui_freq_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "") self.qtgui_freq_sink_x_1.enable_autoscale(False) self.qtgui_freq_sink_x_1.enable_grid(False) self.qtgui_freq_sink_x_1.set_fft_average(1.0) self.qtgui_freq_sink_x_1.enable_axis_labels(True) self.qtgui_freq_sink_x_1.enable_control_panel(False) if not True: self.qtgui_freq_sink_x_1.disable_legend() if "complex" == "float" or "complex" == "msg_float": self.qtgui_freq_sink_x_1.set_plot_pos_half(not True) labels = ['Received', 'Mod', '', '', '', '', '', '', '', ''] 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(2): if len(labels[i]) == 0: self.qtgui_freq_sink_x_1.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_freq_sink_x_1.set_line_label(i, labels[i]) self.qtgui_freq_sink_x_1.set_line_width(i, widths[i]) self.qtgui_freq_sink_x_1.set_line_color(i, colors[i]) self.qtgui_freq_sink_x_1.set_line_alpha(i, alphas[i]) self._qtgui_freq_sink_x_1_win = sip.wrapinstance( self.qtgui_freq_sink_x_1.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_1_win, 1, 3, 1, 2) [self.top_grid_layout.setRowStretch(r, 1) for r in range(1, 2)] [self.top_grid_layout.setColumnStretch(c, 1) for c in range(3, 5)] self.qtgui_freq_sink_x_0_0 = qtgui.freq_sink_c( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw "Post Polyphase Clock", #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(-140, 10) self.qtgui_freq_sink_x_0_0.set_y_label('Relative Gain', 'dB') 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_axis_labels(True) self.qtgui_freq_sink_x_0_0.enable_control_panel(False) if not False: self.qtgui_freq_sink_x_0_0.disable_legend() if "complex" == "float" or "complex" == "msg_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, 1, 1, 1) [self.top_grid_layout.setRowStretch(r, 1) for r in range(3, 4)] [self.top_grid_layout.setColumnStretch(c, 1) for c in range(1, 2)] self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw "Post_Channel_Model", #name 3 #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_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) if not False: self.qtgui_freq_sink_x_0.disable_legend() if "complex" == "float" or "complex" == "msg_float": self.qtgui_freq_sink_x_0.set_plot_pos_half(not True) labels = [ 'Post PLL CPSK', 'Post Filter', 'Pre Filter', '', '', '', '', '', '', '' ] 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(3): 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, 3, 0, 1, 1) [self.top_grid_layout.setRowStretch(r, 1) for r in range(3, 4)] [self.top_grid_layout.setColumnStretch(c, 1) for c in range(0, 1)] self.qtgui_const_sink_x_0 = qtgui.const_sink_c( 1024, #size "Pre Polyphase Clock", #name 2 #number of inputs ) self.qtgui_const_sink_x_0.set_update_time(0.1) self.qtgui_const_sink_x_0.set_y_axis(-2, 2) self.qtgui_const_sink_x_0.set_x_axis(-2, 2) self.qtgui_const_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.qtgui_const_sink_x_0.enable_autoscale(False) self.qtgui_const_sink_x_0.enable_grid(False) self.qtgui_const_sink_x_0.enable_axis_labels(True) if not False: self.qtgui_const_sink_x_0.disable_legend() labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "red", "red", "red", "red", "red", "red", "red", "red" ] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(2): if len(labels[i]) == 0: self.qtgui_const_sink_x_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_const_sink_x_0.set_line_label(i, labels[i]) self.qtgui_const_sink_x_0.set_line_width(i, widths[i]) self.qtgui_const_sink_x_0.set_line_color(i, colors[i]) self.qtgui_const_sink_x_0.set_line_style(i, styles[i]) self.qtgui_const_sink_x_0.set_line_marker(i, markers[i]) self.qtgui_const_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_const_sink_x_0_win = sip.wrapinstance( self.qtgui_const_sink_x_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_win, 2, 0, 1, 1) [self.top_grid_layout.setRowStretch(r, 1) for r in range(2, 3)] [self.top_grid_layout.setColumnStretch(c, 1) for c in range(0, 1)] self.get_first_byte = get_first_byte.blk() self.digital_psk_mod_0 = digital.psk.psk_mod( constellation_points=8, mod_code="gray", differential=True, samples_per_symbol=SampSymb, excess_bw=0.35, verbose=False, log=False, ) self.digital_psk_demod_0 = digital.psk.psk_demod( constellation_points=8, differential=True, samples_per_symbol=SampSymb, 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_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf( SampSymb, 0.1, (rrc_taps_0), nfilts, nfilts / 2, 1.5, 1) self.digital_costas_loop_cc_0 = digital.costas_loop_cc(.1, 8, False) self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc( 15, 1, .01, 2) self.channels_channel_model_0 = channels.channel_model( noise_voltage=Noise, frequency_offset=FreqOff, epsilon=1.0, taps=(1.0 + 1.0j, ), noise_seed=0, block_tags=False) self.blocks_uchar_to_float_0_0 = blocks.uchar_to_float() self.blocks_uchar_to_float_0 = blocks.uchar_to_float() self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char * 1, samp_rate, True) self.blocks_skiphead_1 = blocks.skiphead(gr.sizeof_char * 1, 3) self.blocks_skiphead_0 = blocks.skiphead(gr.sizeof_char * 1, 31) self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb( 1, 8, "", False, gr.GR_MSB_FIRST) self.blocks_multiply_xx_1 = blocks.multiply_vcc(1) self.blocks_multiply_xx_0_0 = blocks.multiply_vcc(1) self.blocks_multiply_xx_0 = blocks.multiply_vcc(1) self.blocks_multiply_conjugate_cc_0 = blocks.multiply_conjugate_cc(1) self.blocks_delay_0 = blocks.delay(gr.sizeof_char * 1, 5) self.blocks_add_xx_0 = blocks.add_vcc(1) self.blks2_error_rate_0 = grc_blks2.error_rate( type='BER', win_size=64000, bits_per_symbol=8, ) self.band_pass_filter_0_0 = filter.interp_fir_filter_ccf( 1, firdes.band_pass(1, samp_rate, (2 * samp_rate / float(SampSymb) - 130e3), (2 * samp_rate / float(SampSymb) + 100e3), 10e3, firdes.WIN_HAMMING, 6.76)) self.band_pass_filter_0 = filter.interp_fir_filter_ccf( 1, firdes.band_pass(1, samp_rate, 95e3, 105e3, 10e3, firdes.WIN_HAMMING, 6.76)) self.analog_sig_source_x_0_0_0 = analog.sig_source_c( samp_rate, analog.GR_SIN_WAVE, 100e3, 1, 0) self.analog_sig_source_x_0_0 = analog.sig_source_c( samp_rate, analog.GR_SIN_WAVE, 100e3, 1, 0) self.analog_pll_refout_cc_0 = analog.pll_refout_cc( 0.2, 2 * np.pi * 103e3 / samp_rate, 2 * np.pi * 97e3 / samp_rate) self.Video_Source = blocks.file_source( gr.sizeof_char * 1, '/home/teddy/Documents/DVB_last_stand/Source_Files/Test_Video.ts', False) self.Video_Sink = blocks.file_sink( gr.sizeof_char * 1, '/home/teddy/Documents/DVB_last_stand/Received_Files/Test_Video_8PSK_FC_received.ts', False) self.Video_Sink.set_unbuffered(True) self._Values_range = Range(0, 255, 1, 2, 200) self._Values_win = RangeWidget(self._Values_range, self.set_Values, 'Vector Values', "counter_slider", int) self.top_grid_layout.addWidget(self._Values_win, 0, 0, 1, 1) [self.top_grid_layout.setRowStretch(r, 1) for r in range(0, 1)] [self.top_grid_layout.setColumnStretch(c, 1) for c in range(0, 1)] self.Post_Polyphase_Clock_Cons = qtgui.const_sink_c( 1024, #size 'Post Polyphase Clock', #name 1 #number of inputs ) self.Post_Polyphase_Clock_Cons.set_update_time(0.10) self.Post_Polyphase_Clock_Cons.set_y_axis(-2, 2) self.Post_Polyphase_Clock_Cons.set_x_axis(-2, 2) self.Post_Polyphase_Clock_Cons.set_trigger_mode( qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.Post_Polyphase_Clock_Cons.enable_autoscale(False) self.Post_Polyphase_Clock_Cons.enable_grid(True) self.Post_Polyphase_Clock_Cons.enable_axis_labels(True) if not False: self.Post_Polyphase_Clock_Cons.disable_legend() labels = ['Timing Recov.', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "red" ] styles = [1, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] alphas = [0.5, 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.Post_Polyphase_Clock_Cons.set_line_label( i, "Data {0}".format(i)) else: self.Post_Polyphase_Clock_Cons.set_line_label(i, labels[i]) self.Post_Polyphase_Clock_Cons.set_line_width(i, widths[i]) self.Post_Polyphase_Clock_Cons.set_line_color(i, colors[i]) self.Post_Polyphase_Clock_Cons.set_line_style(i, styles[i]) self.Post_Polyphase_Clock_Cons.set_line_marker(i, markers[i]) self.Post_Polyphase_Clock_Cons.set_line_alpha(i, alphas[i]) self._Post_Polyphase_Clock_Cons_win = sip.wrapinstance( self.Post_Polyphase_Clock_Cons.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._Post_Polyphase_Clock_Cons_win, 2, 1, 1, 1) [self.top_grid_layout.setRowStretch(r, 1) for r in range(2, 3)] [self.top_grid_layout.setColumnStretch(c, 1) for c in range(1, 2)] self.Post_Costas_Loop_Freq = qtgui.freq_sink_c( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw "Post Costas Loop", #name 1 #number of inputs ) self.Post_Costas_Loop_Freq.set_update_time(0.10) self.Post_Costas_Loop_Freq.set_y_axis(-140, 10) self.Post_Costas_Loop_Freq.set_y_label('Relative Gain', 'dB') self.Post_Costas_Loop_Freq.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "") self.Post_Costas_Loop_Freq.enable_autoscale(False) self.Post_Costas_Loop_Freq.enable_grid(False) self.Post_Costas_Loop_Freq.set_fft_average(1.0) self.Post_Costas_Loop_Freq.enable_axis_labels(True) self.Post_Costas_Loop_Freq.enable_control_panel(False) if not False: self.Post_Costas_Loop_Freq.disable_legend() if "complex" == "float" or "complex" == "msg_float": self.Post_Costas_Loop_Freq.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.Post_Costas_Loop_Freq.set_line_label( i, "Data {0}".format(i)) else: self.Post_Costas_Loop_Freq.set_line_label(i, labels[i]) self.Post_Costas_Loop_Freq.set_line_width(i, widths[i]) self.Post_Costas_Loop_Freq.set_line_color(i, colors[i]) self.Post_Costas_Loop_Freq.set_line_alpha(i, alphas[i]) self._Post_Costas_Loop_Freq_win = sip.wrapinstance( self.Post_Costas_Loop_Freq.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._Post_Costas_Loop_Freq_win, 3, 3, 1, 1) [self.top_grid_layout.setRowStretch(r, 1) for r in range(3, 4)] [self.top_grid_layout.setColumnStretch(c, 1) for c in range(3, 4)] self.Post_Costas_Loop_Cons = qtgui.const_sink_c( 1024, #size 'Post Costas Loop', #name 1 #number of inputs ) self.Post_Costas_Loop_Cons.set_update_time(0.10) self.Post_Costas_Loop_Cons.set_y_axis(-2, 2) self.Post_Costas_Loop_Cons.set_x_axis(-2, 2) self.Post_Costas_Loop_Cons.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.Post_Costas_Loop_Cons.enable_autoscale(False) self.Post_Costas_Loop_Cons.enable_grid(False) self.Post_Costas_Loop_Cons.enable_axis_labels(True) if not False: self.Post_Costas_Loop_Cons.disable_legend() labels = ['Locked', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "red" ] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] alphas = [0.6, 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.Post_Costas_Loop_Cons.set_line_label( i, "Data {0}".format(i)) else: self.Post_Costas_Loop_Cons.set_line_label(i, labels[i]) self.Post_Costas_Loop_Cons.set_line_width(i, widths[i]) self.Post_Costas_Loop_Cons.set_line_color(i, colors[i]) self.Post_Costas_Loop_Cons.set_line_style(i, styles[i]) self.Post_Costas_Loop_Cons.set_line_marker(i, markers[i]) self.Post_Costas_Loop_Cons.set_line_alpha(i, alphas[i]) self._Post_Costas_Loop_Cons_win = sip.wrapinstance( self.Post_Costas_Loop_Cons.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._Post_Costas_Loop_Cons_win, 2, 3, 1, 1) [self.top_grid_layout.setRowStretch(r, 1) for r in range(2, 3)] [self.top_grid_layout.setColumnStretch(c, 1) for c in range(3, 4)] self.Post_CMA_Equalizer_Freq = qtgui.freq_sink_c( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw "Post CMA Equalizer", #name 1 #number of inputs ) self.Post_CMA_Equalizer_Freq.set_update_time(0.10) self.Post_CMA_Equalizer_Freq.set_y_axis(-140, 10) self.Post_CMA_Equalizer_Freq.set_y_label('Relative Gain', 'dB') self.Post_CMA_Equalizer_Freq.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "") self.Post_CMA_Equalizer_Freq.enable_autoscale(False) self.Post_CMA_Equalizer_Freq.enable_grid(False) self.Post_CMA_Equalizer_Freq.set_fft_average(1.0) self.Post_CMA_Equalizer_Freq.enable_axis_labels(True) self.Post_CMA_Equalizer_Freq.enable_control_panel(False) if not False: self.Post_CMA_Equalizer_Freq.disable_legend() if "complex" == "float" or "complex" == "msg_float": self.Post_CMA_Equalizer_Freq.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.Post_CMA_Equalizer_Freq.set_line_label( i, "Data {0}".format(i)) else: self.Post_CMA_Equalizer_Freq.set_line_label(i, labels[i]) self.Post_CMA_Equalizer_Freq.set_line_width(i, widths[i]) self.Post_CMA_Equalizer_Freq.set_line_color(i, colors[i]) self.Post_CMA_Equalizer_Freq.set_line_alpha(i, alphas[i]) self._Post_CMA_Equalizer_Freq_win = sip.wrapinstance( self.Post_CMA_Equalizer_Freq.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._Post_CMA_Equalizer_Freq_win, 3, 2, 1, 1) [self.top_grid_layout.setRowStretch(r, 1) for r in range(3, 4)] [self.top_grid_layout.setColumnStretch(c, 1) for c in range(2, 3)] self.Post_CMA_Eq_Cons = qtgui.const_sink_c( 1024, #size 'Post CMA Equalizer', #name 1 #number of inputs ) self.Post_CMA_Eq_Cons.set_update_time(0.10) self.Post_CMA_Eq_Cons.set_y_axis(-2, 2) self.Post_CMA_Eq_Cons.set_x_axis(-2, 2) self.Post_CMA_Eq_Cons.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.Post_CMA_Eq_Cons.enable_autoscale(False) self.Post_CMA_Eq_Cons.enable_grid(False) self.Post_CMA_Eq_Cons.enable_axis_labels(True) if not False: self.Post_CMA_Eq_Cons.disable_legend() labels = ['Equalized', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "red" ] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] alphas = [0.6, 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.Post_CMA_Eq_Cons.set_line_label(i, "Data {0}".format(i)) else: self.Post_CMA_Eq_Cons.set_line_label(i, labels[i]) self.Post_CMA_Eq_Cons.set_line_width(i, widths[i]) self.Post_CMA_Eq_Cons.set_line_color(i, colors[i]) self.Post_CMA_Eq_Cons.set_line_style(i, styles[i]) self.Post_CMA_Eq_Cons.set_line_marker(i, markers[i]) self.Post_CMA_Eq_Cons.set_line_alpha(i, alphas[i]) self._Post_CMA_Eq_Cons_win = sip.wrapinstance( self.Post_CMA_Eq_Cons.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._Post_CMA_Eq_Cons_win, 2, 2, 1, 1) [self.top_grid_layout.setRowStretch(r, 1) for r in range(2, 3)] [self.top_grid_layout.setColumnStretch(c, 1) for c in range(2, 3)] ################################################## # Connections ################################################## self.connect((self.Video_Source, 0), (self.blocks_throttle_0, 0)) self.connect((self.analog_pll_refout_cc_0, 0), (self.blocks_multiply_xx_1, 0)) self.connect((self.analog_sig_source_x_0_0, 0), (self.blocks_add_xx_0, 1)) self.connect((self.analog_sig_source_x_0_0, 0), (self.blocks_multiply_xx_0_0, 0)) self.connect((self.analog_sig_source_x_0_0, 0), (self.blocks_multiply_xx_0_0, 1)) self.connect((self.analog_sig_source_x_0_0_0, 0), (self.blocks_multiply_xx_1, 1)) self.connect((self.band_pass_filter_0, 0), (self.analog_pll_refout_cc_0, 0)) self.connect((self.band_pass_filter_0, 0), (self.qtgui_freq_sink_x_0, 1)) self.connect((self.band_pass_filter_0_0, 0), (self.blocks_multiply_conjugate_cc_0, 0)) self.connect((self.blks2_error_rate_0, 0), (self.qtgui_number_sink_0_0, 0)) self.connect((self.blocks_add_xx_0, 0), (self.channels_channel_model_0, 0)) self.connect((self.blocks_delay_0, 0), (self.blocks_repack_bits_bb_0, 0)) self.connect((self.blocks_multiply_conjugate_cc_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0)) self.connect((self.blocks_multiply_conjugate_cc_0, 0), (self.digital_psk_demod_0, 0)) self.connect((self.blocks_multiply_conjugate_cc_0, 0), (self.qtgui_const_sink_x_0, 0)) self.connect((self.blocks_multiply_conjugate_cc_0, 0), (self.qtgui_freq_sink_x_1, 0)) self.connect((self.blocks_multiply_xx_0, 0), (self.blocks_add_xx_0, 0)) self.connect((self.blocks_multiply_xx_0_0, 0), (self.blocks_multiply_xx_0, 1)) self.connect((self.blocks_multiply_xx_1, 0), (self.blocks_multiply_conjugate_cc_0, 1)) self.connect((self.blocks_multiply_xx_1, 0), (self.qtgui_freq_sink_x_0, 0)) self.connect((self.blocks_repack_bits_bb_0, 0), (self.blocks_skiphead_0, 0)) self.connect((self.blocks_skiphead_0, 0), (self.sync_decoder, 0)) self.connect((self.blocks_skiphead_1, 0), (self.blks2_error_rate_0, 0)) self.connect((self.blocks_skiphead_1, 0), (self.blocks_uchar_to_float_0_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.blocks_skiphead_1, 0)) self.connect((self.blocks_throttle_0, 0), (self.repeat_first_byte, 0)) self.connect((self.blocks_uchar_to_float_0, 0), (self.qtgui_time_sink_x_0_0, 1)) self.connect((self.blocks_uchar_to_float_0_0, 0), (self.qtgui_time_sink_x_0_0, 0)) self.connect((self.channels_channel_model_0, 0), (self.band_pass_filter_0, 0)) self.connect((self.channels_channel_model_0, 0), (self.band_pass_filter_0_0, 0)) self.connect((self.channels_channel_model_0, 0), (self.qtgui_freq_sink_x_0, 2)) self.connect((self.digital_cma_equalizer_cc_0, 0), (self.Post_CMA_Eq_Cons, 0)) self.connect((self.digital_cma_equalizer_cc_0, 0), (self.Post_CMA_Equalizer_Freq, 0)) self.connect((self.digital_cma_equalizer_cc_0, 0), (self.digital_costas_loop_cc_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.Post_Costas_Loop_Cons, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.Post_Costas_Loop_Freq, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.Post_Polyphase_Clock_Cons, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_cma_equalizer_cc_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.qtgui_freq_sink_x_0_0, 0)) self.connect((self.digital_psk_demod_0, 0), (self.blocks_delay_0, 0)) self.connect((self.digital_psk_mod_0, 0), (self.blocks_multiply_xx_0, 0)) self.connect((self.digital_psk_mod_0, 0), (self.qtgui_const_sink_x_0, 1)) self.connect((self.digital_psk_mod_0, 0), (self.qtgui_freq_sink_x_1, 1)) self.connect((self.get_first_byte, 0), (self.qtgui_number_sink_0, 0)) self.connect((self.repeat_first_byte, 0), (self.sync_encoder, 0)) self.connect((self.sync_decoder, 0), (self.Video_Sink, 0)) self.connect((self.sync_decoder, 0), (self.blks2_error_rate_0, 1)) self.connect((self.sync_decoder, 0), (self.blocks_uchar_to_float_0, 0)) self.connect((self.sync_decoder, 0), (self.get_first_byte, 0)) self.connect((self.sync_encoder, 0), (self.digital_psk_mod_0, 0))
def __init__(self, demod_rate, audio_decimation): """ Hierarchical block for demodulating a broadcast FM signal. The input is the downconverted complex baseband signal (gr_complex). The output is two streams of the demodulated audio (float) 0=Left, 1=Right. Args: demod_rate: input sample rate of complex baseband input. (float) audio_decimation: how much to decimate demod_rate to get to audio. (integer) """ gr.hier_block2.__init__( self, "wfm_rcv_pll", gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature gr.io_signature(2, 2, gr.sizeof_float)) # Output signature bandwidth = 250e3 audio_rate = demod_rate / audio_decimation # We assign to self so that outsiders can grab the demodulator # if they need to. E.g., to plot its output. # # input: complex; output: float loop_bw = 2 * math.pi / 100.0 max_freq = 2.0 * math.pi * 90e3 / demod_rate self.fm_demod = analog.pll_freqdet_cf(loop_bw, max_freq, -max_freq) # input: float; output: float self.deemph_Left = fm_deemph(audio_rate) self.deemph_Right = fm_deemph(audio_rate) # compute FIR filter taps for audio filter width_of_transition_band = audio_rate / 32 audio_coeffs = filter.firdes.low_pass( 1.0, # gain demod_rate, # sampling rate 15000, width_of_transition_band, filter.firdes.WIN_HAMMING) # input: float; output: float self.audio_filter = filter.fir_filter_fff(audio_decimation, audio_coeffs) if 1: # Pick off the stereo carrier/2 with this filter. It attenuated 10 dB so apply 10 dB gain # We pick off the negative frequency half because we want to base band by it! ## NOTE THIS WAS HACKED TO OFFSET INSERTION LOSS DUE TO DEEMPHASIS stereo_carrier_filter_coeffs = \ filter.firdes.complex_band_pass(10.0, demod_rate, -19020, -18980, width_of_transition_band, filter.firdes.WIN_HAMMING) #print "len stereo carrier filter = ",len(stereo_carrier_filter_coeffs) #print "stereo carrier filter ", stereo_carrier_filter_coeffs #print "width of transition band = ",width_of_transition_band, " audio rate = ", audio_rate # Pick off the double side band suppressed carrier Left-Right audio. It is attenuated 10 dB so apply 10 dB gain stereo_dsbsc_filter_coeffs = \ filter.firdes.complex_band_pass(20.0, demod_rate, 38000-15000/2, 38000+15000/2, width_of_transition_band, filter.firdes.WIN_HAMMING) #print "len stereo dsbsc filter = ",len(stereo_dsbsc_filter_coeffs) #print "stereo dsbsc filter ", stereo_dsbsc_filter_coeffs # construct overlap add filter system from coefficients for stereo carrier self.stereo_carrier_filter = \ filter.fir_filter_fcc(audio_decimation, stereo_carrier_filter_coeffs) # carrier is twice the picked off carrier so arrange to do a commplex multiply self.stereo_carrier_generator = blocks.multiply_cc() # Pick off the rds signal stereo_rds_filter_coeffs = \ filter.firdes.complex_band_pass(30.0, demod_rate, 57000 - 1500, 57000 + 1500, width_of_transition_band, filter.firdes.WIN_HAMMING) #print "len stereo dsbsc filter = ",len(stereo_dsbsc_filter_coeffs) #print "stereo dsbsc filter ", stereo_dsbsc_filter_coeffs # construct overlap add filter system from coefficients for stereo carrier self.rds_signal_filter = \ filter.fir_filter_fcc(audio_decimation, stereo_rds_filter_coeffs) self.rds_carrier_generator = blocks.multiply_cc() self.rds_signal_generator = blocks.multiply_cc() self_rds_signal_processor = blocks.null_sink(gr.sizeof_gr_complex) loop_bw = 2 * math.pi / 100.0 max_freq = -2.0 * math.pi * 18990 / audio_rate min_freq = -2.0 * math.pi * 19010 / audio_rate self.stereo_carrier_pll_recovery = \ analog.pll_refout_cc(loop_bw, max_freq, min_freq) #self.stereo_carrier_pll_recovery.squelch_enable(False) #pll_refout does not have squelch yet, so disabled for now # set up mixer (multiplier) to get the L-R signal at baseband self.stereo_basebander = blocks.multiply_cc() # pick off the real component of the basebanded L-R signal. The imaginary SHOULD be zero self.LmR_real = blocks.complex_to_real() self.Make_Left = blocks.add_ff() self.Make_Right = blocks.sub_ff() self.stereo_dsbsc_filter = \ filter.fir_filter_fcc(audio_decimation, stereo_dsbsc_filter_coeffs) if 1: # send the real signal to complex filter to pick off the carrier and then to one side of a multiplier self.connect(self, self.fm_demod, self.stereo_carrier_filter, self.stereo_carrier_pll_recovery, (self.stereo_carrier_generator, 0)) # send the already filtered carrier to the otherside of the carrier self.connect(self.stereo_carrier_pll_recovery, (self.stereo_carrier_generator, 1)) # the resulting signal from this multiplier is the carrier with correct phase but at -38000 Hz. # send the new carrier to one side of the mixer (multiplier) self.connect(self.stereo_carrier_generator, (self.stereo_basebander, 0)) # send the demphasized audio to the DSBSC pick off filter, the complex # DSBSC signal at +38000 Hz is sent to the other side of the mixer/multiplier self.connect(self.fm_demod, self.stereo_dsbsc_filter, (self.stereo_basebander, 1)) # the result is BASEBANDED DSBSC with phase zero! # Pick off the real part since the imaginary is theoretically zero and then to one side of a summer self.connect(self.stereo_basebander, self.LmR_real, (self.Make_Left, 0)) #take the same real part of the DSBSC baseband signal and send it to negative side of a subtracter self.connect(self.LmR_real, (self.Make_Right, 1)) # Make rds carrier by taking the squared pilot tone and multiplying by pilot tone self.connect(self.stereo_basebander, (self.rds_carrier_generator, 0)) self.connect(self.stereo_carrier_pll_recovery, (self.rds_carrier_generator, 1)) # take signal, filter off rds, send into mixer 0 channel self.connect(self.fm_demod, self.rds_signal_filter, (self.rds_signal_generator, 0)) # take rds_carrier_generator output and send into mixer 1 channel self.connect(self.rds_carrier_generator, (self.rds_signal_generator, 1)) # send basebanded rds signal and send into "processor" which for now is a null sink self.connect(self.rds_signal_generator, self_rds_signal_processor) if 1: # pick off the audio, L+R that is what we used to have and send it to the summer self.connect(self.fm_demod, self.audio_filter, (self.Make_Left, 1)) # take the picked off L+R audio and send it to the PLUS side of the subtractor self.connect(self.audio_filter, (self.Make_Right, 0)) # The result of Make_Left gets (L+R) + (L-R) and results in 2*L # The result of Make_Right gets (L+R) - (L-R) and results in 2*R self.connect(self.Make_Left, self.deemph_Left, (self, 0)) self.connect(self.Make_Right, self.deemph_Right, (self, 1))
def __init__(self): grc_wxgui.top_block_gui.__init__(self, title="Stereo FM receiver and RDS Decoder") ################################################## # Variables ################################################## self.samp_rate = samp_rate = 1000000 self.bb_decim = bb_decim = 4 self.freq_offset = freq_offset = 250000 self.freq = freq = 106.1e6 self.baseband_rate = baseband_rate = samp_rate/bb_decim self.audio_decim = audio_decim = 5 self.xlate_bandwidth = xlate_bandwidth = 100000 self.volume = volume = 0 self.gain = gain = 37.6 self.freq_tune = freq_tune = freq - freq_offset self.audio_rate = audio_rate = 48000 self.audio_decim_rate = audio_decim_rate = baseband_rate/audio_decim ################################################## # 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), "L+R") self.nb.AddPage(grc_wxgui.Panel(self.nb), "Pilot") self.nb.AddPage(grc_wxgui.Panel(self.nb), "DSBSC") self.nb.AddPage(grc_wxgui.Panel(self.nb), "RDS") self.nb.AddPage(grc_wxgui.Panel(self.nb), "L-R") self.nb.AddPage(grc_wxgui.Panel(self.nb), "RDS constellation") self.nb.AddPage(grc_wxgui.Panel(self.nb), "Waterfall") 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=88.1e6, maximum=107.9e6, num_steps=99, 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(8).GetWin(), baseband_freq=0, dynamic_range=100, ref_level=0, ref_scale=2.0, sample_rate=baseband_rate, fft_size=512, fft_rate=15, average=False, avg_alpha=None, title="Waterfall Plot", ) self.nb.GetPage(8).Add(self.wxgui_waterfallsink2_0.win) self.wxgui_scopesink2_1 = scopesink2.scope_sink_c( self.nb.GetPage(7).GetWin(), title="Scope Plot", sample_rate=2375, 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(7).Add(self.wxgui_scopesink2_1.win) self.wxgui_scopesink2_0 = scopesink2.scope_sink_f( self.nb.GetPage(3).GetWin(), title="Pilot", sample_rate=baseband_rate, 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.nb.GetPage(3).Add(self.wxgui_scopesink2_0.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=audio_rate, 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_0_0 = fftsink2.fft_sink_f( self.nb.GetPage(6).GetWin(), baseband_freq=0, y_per_div=10, y_divs=10, ref_level=-50, ref_scale=2.0, sample_rate=baseband_rate, fft_size=1024, fft_rate=15, average=False, avg_alpha=None, title="L-R", peak_hold=False, ) self.nb.GetPage(6).Add(self.wxgui_fftsink2_0_0_0_1_0_0.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=baseband_rate, fft_size=1024, fft_rate=15, average=False, avg_alpha=None, title="DSBSC Sub-carrier", 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(2).GetWin(), baseband_freq=0, y_per_div=10, y_divs=10, ref_level=0, ref_scale=2.0, sample_rate=audio_decim_rate, fft_size=1024, fft_rate=15, average=False, avg_alpha=None, title="L+R", peak_hold=False, ) self.nb.GetPage(2).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=baseband_rate, 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 = osmosdr.source( args="numchan=" + str(1) + " " + "" ) self.rtlsdr_source_0.set_sample_rate(samp_rate) self.rtlsdr_source_0.set_center_freq(freq_tune, 0) self.rtlsdr_source_0.set_freq_corr(0, 0) self.rtlsdr_source_0.set_dc_offset_mode(0, 0) self.rtlsdr_source_0.set_iq_balance_mode(0, 0) self.rtlsdr_source_0.set_gain_mode(False, 0) self.rtlsdr_source_0.set_gain(gain, 0) self.rtlsdr_source_0.set_if_gain(20, 0) self.rtlsdr_source_0.set_bb_gain(20, 0) self.rtlsdr_source_0.set_antenna("", 0) self.rtlsdr_source_0.set_bandwidth(0, 0) self.root_raised_cosine_filter_0 = filter.fir_filter_ccf(1, firdes.root_raised_cosine( 1, samp_rate/bb_decim/audio_decim, 2375, 1, 100)) self.rational_resampler_xxx_0_0 = filter.rational_resampler_fff( interpolation=audio_rate, decimation=audio_decim_rate, taps=None, fractional_bw=None, ) self.rational_resampler_xxx_0 = filter.rational_resampler_fff( interpolation=audio_rate, decimation=audio_decim_rate, taps=None, fractional_bw=None, ) self.gr_rds_parser_0 = rds.parser(False, True) 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_1 = filter.freq_xlating_fir_filter_fcc(audio_decim, (firdes.low_pass(2500.0,baseband_rate,2.4e3,2e3,firdes.WIN_HAMMING)), 57e3, baseband_rate) self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(1, (firdes.low_pass(1, samp_rate, xlate_bandwidth, 100000)), freq_offset, samp_rate) self.fir_filter_xxx_5 = filter.fir_filter_fff(audio_decim, (firdes.low_pass(1.0,baseband_rate,20e3,40e3,firdes.WIN_HAMMING))) self.fir_filter_xxx_5.declare_sample_delay(0) self.fir_filter_xxx_3 = filter.fir_filter_fff(1, (firdes.band_pass(1.0,baseband_rate,38e3-13e3,38e3+13e3,3e3,firdes.WIN_HAMMING))) self.fir_filter_xxx_3.declare_sample_delay(0) self.fir_filter_xxx_2 = filter.fir_filter_fcc(1, (firdes.complex_band_pass(1.0,baseband_rate,19e3-500,19e3+500,1e3,firdes.WIN_HAMMING))) self.fir_filter_xxx_2.declare_sample_delay(0) self.fir_filter_xxx_1 = filter.fir_filter_fff(audio_decim, (firdes.low_pass(1.0,baseband_rate,13e3,3e3,firdes.WIN_HAMMING))) self.fir_filter_xxx_1.declare_sample_delay(0) self.digital_mpsk_receiver_cc_0 = digital.mpsk_receiver_cc(2, 0, 1*cmath.pi/100.0, -0.06, 0.06, 0.5, 0.05, samp_rate/bb_decim/audio_decim/ 2375.0, 0.001, 0.005) self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(2) self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb() self.blocks_sub_xx_0 = blocks.sub_ff(1) self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_float*1) self.blocks_multiply_xx_1 = blocks.multiply_vcc(1) self.blocks_multiply_xx_0 = blocks.multiply_vff(1) self.blocks_multiply_const_vxx_0_0 = blocks.multiply_const_vff((10**(1.*(volume+15)/10), )) self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((10**(1.*(volume+15)/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_complex_to_imag_0 = blocks.complex_to_imag(1) self.blocks_add_xx_0 = blocks.add_vff(1) self.analog_wfm_rcv_0 = analog.wfm_rcv( quad_rate=samp_rate, audio_decimation=bb_decim, ) self.analog_pll_refout_cc_0 = analog.pll_refout_cc(0.001, 2 * math.pi * (19000+200) / baseband_rate, 2 * math.pi * (19000-200) / baseband_rate) self.analog_fm_deemph_0_0_0 = analog.fm_deemph(fs=audio_decim_rate, tau=75e-6) self.analog_fm_deemph_0_0 = analog.fm_deemph(fs=audio_decim_rate, tau=75e-6) ################################################## # Connections ################################################## self.connect((self.fir_filter_xxx_1, 0), (self.wxgui_fftsink2_0_0_0, 0)) self.connect((self.fir_filter_xxx_1, 0), (self.blocks_add_xx_0, 0)) self.connect((self.fir_filter_xxx_3, 0), (self.wxgui_fftsink2_0_0_0_1, 0)) self.connect((self.fir_filter_xxx_1, 0), (self.blocks_sub_xx_0, 0)) self.connect((self.blocks_multiply_xx_0, 0), (self.fir_filter_xxx_5, 0)) self.connect((self.analog_fm_deemph_0_0_0, 0), (self.blocks_multiply_const_vxx_0, 0)) self.connect((self.blocks_add_xx_0, 0), (self.analog_fm_deemph_0_0_0, 0)) self.connect((self.blocks_sub_xx_0, 0), (self.analog_fm_deemph_0_0, 0)) self.connect((self.blocks_multiply_xx_0, 0), (self.wxgui_fftsink2_0_0_0_1_0_0, 0)) self.connect((self.fir_filter_xxx_5, 0), (self.blocks_add_xx_0, 1)) self.connect((self.fir_filter_xxx_5, 0), (self.blocks_sub_xx_0, 1)) self.connect((self.fir_filter_xxx_3, 0), (self.blocks_multiply_xx_0, 0)) self.connect((self.blocks_multiply_const_vxx_0, 0), (self.rational_resampler_xxx_0, 0)) self.connect((self.analog_fm_deemph_0_0, 0), (self.blocks_multiply_const_vxx_0_0, 0)) self.connect((self.blocks_multiply_const_vxx_0_0, 0), (self.rational_resampler_xxx_0_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_0, 0), (self.analog_wfm_rcv_0, 0)) self.connect((self.analog_wfm_rcv_0, 0), (self.fir_filter_xxx_1, 0)) self.connect((self.analog_wfm_rcv_0, 0), (self.wxgui_waterfallsink2_0, 0)) self.connect((self.analog_wfm_rcv_0, 0), (self.wxgui_fftsink2_0_0, 0)) self.connect((self.analog_wfm_rcv_0, 0), (self.fir_filter_xxx_3, 0)) self.connect((self.analog_wfm_rcv_0, 0), (self.fir_filter_xxx_2, 0)) self.connect((self.fir_filter_xxx_2, 0), (self.analog_pll_refout_cc_0, 0)) self.connect((self.analog_pll_refout_cc_0, 0), (self.blocks_multiply_xx_1, 1)) self.connect((self.analog_pll_refout_cc_0, 0), (self.blocks_multiply_xx_1, 0)) self.connect((self.blocks_multiply_xx_1, 0), (self.blocks_complex_to_imag_0, 0)) self.connect((self.blocks_complex_to_imag_0, 0), (self.wxgui_scopesink2_0, 0)) self.connect((self.blocks_complex_to_imag_0, 0), (self.blocks_multiply_xx_0, 1)) self.connect((self.analog_wfm_rcv_0, 0), (self.freq_xlating_fir_filter_xxx_1, 0)) self.connect((self.freq_xlating_fir_filter_xxx_1, 0), (self.wxgui_fftsink2_0_0_0_1_0_1, 0)) self.connect((self.digital_mpsk_receiver_cc_0, 0), (self.wxgui_scopesink2_1, 0)) self.connect((self.freq_xlating_fir_filter_xxx_1, 0), (self.root_raised_cosine_filter_0, 0)) self.connect((self.root_raised_cosine_filter_0, 0), (self.digital_mpsk_receiver_cc_0, 0)) self.connect((self.digital_mpsk_receiver_cc_0, 0), (self.blocks_complex_to_real_0, 0)) self.connect((self.digital_binary_slicer_fb_0, 0), (self.blocks_keep_one_in_n_0, 0)) self.connect((self.blocks_complex_to_real_0, 0), (self.digital_binary_slicer_fb_0, 0)) self.connect((self.blocks_keep_one_in_n_0, 0), (self.digital_diff_decoder_bb_0, 0)) self.connect((self.rtlsdr_source_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0)) self.connect((self.digital_diff_decoder_bb_0, 0), (self.gr_rds_decoder_0, 0)) self.connect((self.rational_resampler_xxx_0, 0), (self.blocks_null_sink_0, 0)) self.connect((self.rational_resampler_xxx_0_0, 0), (self.blocks_null_sink_0, 1)) ################################################## # Asynch Message 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")
def connect_audio_stage(self, input_port): stereo_rate = self.demod_rate normalizer = TWO_PI / stereo_rate pilot_tone = 19000 pilot_low = pilot_tone * 0.98 pilot_high = pilot_tone * 1.02 def make_audio_filter(): return grfilter.fir_filter_fff( stereo_rate // self.__audio_int_rate, # decimation firdes.low_pass( 1.0, stereo_rate, 15000, 5000, firdes.WIN_HAMMING)) stereo_pilot_filter = grfilter.fir_filter_fcc( 1, # decimation firdes.complex_band_pass( 1.0, stereo_rate, pilot_low, pilot_high, 300)) # TODO magic number from gqrx stereo_pilot_pll = analog.pll_refout_cc( loop_bw=0.001, max_freq=normalizer * pilot_high, min_freq=normalizer * pilot_low) stereo_pilot_doubler = blocks.multiply_cc() stereo_pilot_out = blocks.complex_to_real() difference_channel_mixer = blocks.multiply_ff() difference_channel_filter = make_audio_filter() mono_channel_filter = make_audio_filter() mixL = blocks.add_ff(1) mixR = blocks.sub_ff(1) # connections self.connect(input_port, mono_channel_filter) if self.__decode_stereo: # stereo pilot tone tracker self.connect( input_port, stereo_pilot_filter, stereo_pilot_pll) self.connect(stereo_pilot_pll, (stereo_pilot_doubler, 0)) self.connect(stereo_pilot_pll, (stereo_pilot_doubler, 1)) self.connect(stereo_pilot_doubler, stereo_pilot_out) # pick out stereo left-right difference channel (at stereo_rate) self.connect(input_port, (difference_channel_mixer, 0)) self.connect(stereo_pilot_out, (difference_channel_mixer, 1)) self.connect( difference_channel_mixer, blocks.multiply_const_ff(6), # TODO: Completely empirical fudge factor. This should not be necessary. I believe this is at least partly due to phase error in the pilot signal. difference_channel_filter) # recover left/right channels (at self.__audio_int_rate) self.connect(difference_channel_filter, (mixL, 1)) self.connect(difference_channel_filter, (mixR, 1)) self.connect(mono_channel_filter, (mixL, 0)) self.connect(mono_channel_filter, (mixR, 0)) resamplerL = self._make_resampler((mixL, 0), self.__audio_int_rate) resamplerR = self._make_resampler((mixR, 0), self.__audio_int_rate) deemphL = fm_emph.fm_deemph(self.__audio_int_rate, 75e-6) deemphR = fm_emph.fm_deemph(self.__audio_int_rate, 75e-6) self.connect(resamplerL, deemphL) self.connect(resamplerR, deemphR) self.connect_audio_output(deemphL, deemphR) else: resampler = self._make_resampler(mono_channel_filter, self.__audio_int_rate) deemph = fm_emph.fm_deemph(self.__audio_int_rate, 75e-6) self.connect(resampler, deemph) self.connect_audio_output(deemph, deemph)
def __init__(self, demod_rate, audio_decimation): """ Hierarchical block for demodulating a broadcast FM signal. The input is the downconverted complex baseband signal (gr_complex). The output is two streams of the demodulated audio (float) 0=Left, 1=Right. Args: demod_rate: input sample rate of complex baseband input. (float) audio_decimation: how much to decimate demod_rate to get to audio. (integer) FIXME: Not actually implemented! """ gr.hier_block2.__init__( self, "wfm_rcv_pll", gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature gr.io_signature(2, 2, gr.sizeof_float)) # Output signature if audio_decimation != int(audio_decimation): raise ValueError("audio_decimation needs to be an integer") audio_decimation = int(audio_decimation) ################################################## # Variables ################################################## self.samp_rate = samp_rate = 3840000 self.rf_decim = rf_decim = 10 self.demod_rate = demod_rate = (int)(samp_rate / rf_decim) self.stereo_carrier_filter_coeffs_0 = stereo_carrier_filter_coeffs_0 = firdes.band_pass( 1.0, demod_rate, 37600, 38400, 400, fft.window.WIN_HAMMING, 6.76) self.stereo_carrier_filter_coeffs = stereo_carrier_filter_coeffs = firdes.complex_band_pass( 1.0, demod_rate, 18980, 19020, 1500, fft.window.WIN_HAMMING, 6.76) self.deviation = deviation = 75000 self.audio_filter = audio_filter = firdes.low_pass( 1, demod_rate, 15000, 1500, fft.window.WIN_HAMMING, 6.76) self.audio_decim = audio_decim = (int)(demod_rate / 48000) ################################################## # Blocks ################################################## self.fir_filter_xxx_1 = filter.fir_filter_fcc( 1, stereo_carrier_filter_coeffs) self.fir_filter_xxx_1.declare_sample_delay(0) self.fft_filter_xxx_3 = filter.fft_filter_fff( 1, stereo_carrier_filter_coeffs_0, 1) self.fft_filter_xxx_3.declare_sample_delay(0) self.fft_filter_xxx_2 = filter.fft_filter_fff(audio_decim, audio_filter, 1) self.fft_filter_xxx_2.declare_sample_delay(0) self.fft_filter_xxx_1 = filter.fft_filter_fff(audio_decim, audio_filter, 1) self.fft_filter_xxx_1.declare_sample_delay(0) self.blocks_multiply_xx_2 = blocks.multiply_vff(1) self.blocks_multiply_xx_0 = blocks.multiply_vcc(1) self.blocks_multiply_const_vxx_0_1 = blocks.multiply_const_ff(5.5) self.blocks_multiply_const_vxx_0 = blocks.multiply_const_ff(-5.5) self.blocks_complex_to_imag_0 = blocks.complex_to_imag(1) self.blocks_add_xx_0_0 = blocks.add_vff(1) self.blocks_add_xx_0 = blocks.add_vff(1) self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf( demod_rate / (2 * math.pi * deviation)) self.analog_pll_refout_cc_0 = analog.pll_refout_cc( 0.001, 2 * math.pi * 19200 / demod_rate, 2 * math.pi * 18800 / demod_rate) self.analog_fm_deemph_0_0 = analog.fm_deemph(fs=48000, tau=75e-6) self.analog_fm_deemph_0 = analog.fm_deemph(fs=48000, tau=75e-6) ################################################## # Connections ################################################## self.connect((self.analog_fm_deemph_0, 0), (self, 0)) self.connect((self.analog_fm_deemph_0_0, 0), (self, 1)) self.connect((self.analog_pll_refout_cc_0, 0), (self.blocks_multiply_xx_0, 1)) self.connect((self.analog_pll_refout_cc_0, 0), (self.blocks_multiply_xx_0, 0)) self.connect((self.analog_quadrature_demod_cf_0, 0), (self.blocks_multiply_xx_2, 0)) self.connect((self.analog_quadrature_demod_cf_0, 0), (self.fft_filter_xxx_1, 0)) self.connect((self.analog_quadrature_demod_cf_0, 0), (self.fir_filter_xxx_1, 0)) self.connect((self.blocks_add_xx_0, 0), (self.analog_fm_deemph_0, 0)) self.connect((self.blocks_add_xx_0_0, 0), (self.analog_fm_deemph_0_0, 0)) self.connect((self.blocks_complex_to_imag_0, 0), (self.fft_filter_xxx_3, 0)) self.connect((self.blocks_multiply_const_vxx_0, 0), (self.blocks_add_xx_0, 0)) self.connect((self.blocks_multiply_const_vxx_0_1, 0), (self.blocks_add_xx_0_0, 0)) self.connect((self.blocks_multiply_xx_0, 0), (self.blocks_complex_to_imag_0, 0)) self.connect((self.blocks_multiply_xx_2, 0), (self.fft_filter_xxx_2, 0)) self.connect((self.fft_filter_xxx_1, 0), (self.blocks_add_xx_0, 1)) self.connect((self.fft_filter_xxx_1, 0), (self.blocks_add_xx_0_0, 1)) self.connect((self.fft_filter_xxx_2, 0), (self.blocks_multiply_const_vxx_0, 0)) self.connect((self.fft_filter_xxx_2, 0), (self.blocks_multiply_const_vxx_0_1, 0)) self.connect((self.fft_filter_xxx_3, 0), (self.blocks_multiply_xx_2, 1)) self.connect((self.fir_filter_xxx_1, 0), (self.analog_pll_refout_cc_0, 0)) self.connect((self, 0), (self.analog_quadrature_demod_cf_0, 0))
def __init__(self): grc_wxgui.top_block_gui.__init__(self, title="FM Stereo Receiver") ################################################## # Variables ################################################## self.smux_filt_samprate = smux_filt_samprate = 256e3 self.smux_decim = smux_decim = 8 self.samp_rate = samp_rate = 2.048e6 self.right_gain = right_gain = 3 self.left_gain = left_gain = 3 self.bpf_base = bpf_base = 23e3 self.RF_Gain = RF_Gain = 45 self.CF = CF = 99.3e6 ################################################## # Blocks ################################################## self._samp_rate_text_box = forms.text_box( parent=self.GetWin(), value=self.samp_rate, callback=self.set_samp_rate, label="Sample Rate: 1.024M, 1.4M, 1.8M, 1.92M, 2.048M, 2.4M & 2. 56M", converter=forms.float_converter(), ) self.GridAdd(self._samp_rate_text_box, 1, 0, 1, 1) _right_gain_sizer = wx.BoxSizer(wx.VERTICAL) self._right_gain_text_box = forms.text_box( parent=self.GetWin(), sizer=_right_gain_sizer, value=self.right_gain, callback=self.set_right_gain, label="R Audio Gain", converter=forms.float_converter(), proportion=0, ) self._right_gain_slider = forms.slider( parent=self.GetWin(), sizer=_right_gain_sizer, value=self.right_gain, callback=self.set_right_gain, minimum=0, maximum=5, num_steps=100, style=wx.SL_HORIZONTAL, cast=float, proportion=1, ) self.GridAdd(_right_gain_sizer, 0, 1, 1, 1) self.notebook_0 = self.notebook_0 = wx.Notebook(self.GetWin(), style=wx.NB_TOP) self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "BB Spectrum") self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "Demod Spectrum") self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "Stereo Spectrum") self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "Stereo Signal") self.GridAdd(self.notebook_0, 2, 0, 1, 2) _left_gain_sizer = wx.BoxSizer(wx.VERTICAL) self._left_gain_text_box = forms.text_box( parent=self.GetWin(), sizer=_left_gain_sizer, value=self.left_gain, callback=self.set_left_gain, label="L Audio Gain", converter=forms.float_converter(), proportion=0, ) self._left_gain_slider = forms.slider( parent=self.GetWin(), sizer=_left_gain_sizer, value=self.left_gain, callback=self.set_left_gain, minimum=0, maximum=5, num_steps=100, style=wx.SL_HORIZONTAL, cast=float, proportion=1, ) self.GridAdd(_left_gain_sizer, 0, 0, 1, 1) _RF_Gain_sizer = wx.BoxSizer(wx.VERTICAL) self._RF_Gain_text_box = forms.text_box( parent=self.GetWin(), sizer=_RF_Gain_sizer, value=self.RF_Gain, callback=self.set_RF_Gain, label="RF Gain", converter=forms.float_converter(), proportion=0, ) self._RF_Gain_slider = forms.slider( parent=self.GetWin(), sizer=_RF_Gain_sizer, value=self.RF_Gain, callback=self.set_RF_Gain, minimum=0, maximum=100, num_steps=45, style=wx.SL_HORIZONTAL, cast=float, proportion=1, ) self.GridAdd(_RF_Gain_sizer, 1, 1, 1, 1) self.wxgui_waterfallsink2_0 = waterfallsink2.waterfall_sink_c( self.notebook_0.GetPage(0).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="Baseband Waterfall", size=(800,100), ) self.notebook_0.GetPage(0).GridAdd(self.wxgui_waterfallsink2_0.win, 3, 0, 1, 2) self.wxgui_scopesink2_0 = scopesink2.scope_sink_f( self.notebook_0.GetPage(3).GetWin(), title="Scope Plot", sample_rate=32e3, v_scale=0, v_offset=0, t_scale=0, ac_couple=False, xy_mode=False, num_inputs=2, trig_mode=wxgui.TRIG_MODE_AUTO, y_axis_label="Counts", size=(800,500), ) self.notebook_0.GetPage(3).Add(self.wxgui_scopesink2_0.win) self.wxgui_fftsink2_0_1 = fftsink2.fft_sink_f( self.notebook_0.GetPage(2).GetWin(), baseband_freq=0, y_per_div=10, y_divs=10, ref_level=0, ref_scale=2.0, sample_rate=32e3, fft_size=1024, fft_rate=15, average=False, avg_alpha=None, title="Difference FFT ", peak_hold=False, ) self.notebook_0.GetPage(2).Add(self.wxgui_fftsink2_0_1.win) self.wxgui_fftsink2_0_0_0 = fftsink2.fft_sink_f( self.notebook_0.GetPage(1).GetWin(), baseband_freq=0, y_per_div=10, y_divs=10, ref_level=0, ref_scale=2.0, sample_rate=samp_rate/8, fft_size=1024, fft_rate=15, average=False, avg_alpha=None, title="Demodulated FFT", peak_hold=False, size=(800,800), ) self.notebook_0.GetPage(1).Add(self.wxgui_fftsink2_0_0_0.win) self.wxgui_fftsink2_0_0 = fftsink2.fft_sink_c( self.notebook_0.GetPage(0).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="Baseband FFT", peak_hold=False, size=(800,100), ) self.notebook_0.GetPage(0).GridAdd(self.wxgui_fftsink2_0_0.win, 2, 0, 1, 2) self.wxgui_fftsink2_0 = fftsink2.fft_sink_f( self.notebook_0.GetPage(2).GetWin(), baseband_freq=0, y_per_div=10, y_divs=10, ref_level=0, ref_scale=2.0, sample_rate=32e3, fft_size=1024, fft_rate=15, average=False, avg_alpha=None, title="Sum FFT", peak_hold=False, ) self.notebook_0.GetPage(2).Add(self.wxgui_fftsink2_0.win) self.rfgain = blocks.multiply_const_vcc((RF_Gain, )) self.low_pass_filter_1_0 = filter.fir_filter_fff(smux_decim, firdes.low_pass( 1, smux_filt_samprate, 15e3, 500, firdes.WIN_HAMMING, 1)) self.low_pass_filter_0 = filter.fir_filter_ccf(2, firdes.low_pass( 2, samp_rate/4, 100e3, 500, firdes.WIN_KAISER, 6.76)) self.iir_filter_xxx_0 = filter.iir_filter_ccf((-0.00266, 0.00504, -0.00309, -0.00136, 0.00663, -0.01052, 0.01103, -0.00731, 0.00016, 0.00800, -0.01396, 0.01490, -0.00971, -0.00035, 0.01173, -0.01979, 0.02054, -0.01240, -0.00273, 0.01960, -0.03122, 0.03124, -0.01669, -0.01017, 0.04137, -0.06448, 0.06476, -0.02634, -0.07449, 0.33571, -0.00000, -0.33571, 0.07449, 0.02634, -0.06476, 0.06448, -0.04137, 0.01017, 0.01669, -0.03124, 0.03122, -0.01960, 0.00273, 0.01240, -0.02054, 0.01979, -0.01173, 0.00035, 0.00971, -0.01490, 0.01396, -0.00800, -0.00016, 0.00731, -0.01103, 0.01052, -0.00663, 0.00136, 0.00309, -0.00504, 0.00266 ), (1 , ), False) self.fir_filter_xxx_0_0 = filter.fir_filter_ccf(4, (1,1,1,1)) self.fir_filter_xxx_0_0.declare_sample_delay(0) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True) self.blocks_sub_xx_0 = blocks.sub_ff(1) self.blocks_multiply_xx_1_0 = blocks.multiply_vcc(1) self.blocks_multiply_xx_0 = blocks.multiply_vff(1) self.blocks_multiply_const_vxx_0_0 = blocks.multiply_const_vff((right_gain, )) self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((left_gain, )) self.blocks_multiply_conjugate_cc_0 = blocks.multiply_conjugate_cc(1) self.blocks_float_to_complex_0 = blocks.float_to_complex(1) self.blocks_file_source_0_0 = blocks.file_source(gr.sizeof_gr_complex*1, "/Users/bretttt/iCloud_drive/16S/engs110/project/radio_dat/IQ_Data_STEREO1", True) self.blocks_divide_xx_1 = blocks.divide_cc(1) self.blocks_delay_2 = blocks.delay(gr.sizeof_gr_complex*1, 30) self.blocks_complex_to_real_0 = blocks.complex_to_real(1) self.blocks_complex_to_mag_0 = blocks.complex_to_mag(1) self.blocks_complex_to_imag_0 = blocks.complex_to_imag(1) self.blocks_add_xx_0 = blocks.add_vff(1) self.blocks_add_const_vxx_0 = blocks.add_const_vcc((0.1, )) self.baseband_LPF = filter.fir_filter_fff(smux_decim, firdes.low_pass( 1, smux_filt_samprate, 15e3, 500, firdes.WIN_KAISER, 6.76)) self.band_pass_filter_0_0_0 = filter.fir_filter_fcc(1, firdes.complex_band_pass( 1, smux_filt_samprate, 18000, 20000, 1000, firdes.WIN_KAISER, 1)) self.band_pass_filter_0 = filter.fir_filter_fff(1, firdes.band_pass( 1, smux_filt_samprate, bpf_base, bpf_base+30e3, 500, firdes.WIN_KAISER, 6.76)) self.audio_sink_0_0_0_0 = audio.sink(32000, "", True) self.analog_pll_refout_cc_0_0 = analog.pll_refout_cc(3.14/100, 0.152*3.14, 0.144*3.14) self.analog_fm_deemph_0_0 = analog.fm_deemph(fs=samp_rate/8, tau=75e-6) self.analog_fm_deemph_0 = analog.fm_deemph(fs=samp_rate/8, tau=75e-6) self.analog_const_source_x_0 = analog.sig_source_f(0, analog.GR_CONST_WAVE, 0, 0, 0) _CF_sizer = wx.BoxSizer(wx.VERTICAL) self._CF_text_box = forms.text_box( parent=self.GetWin(), sizer=_CF_sizer, value=self.CF, callback=self.set_CF, label="Center Frequency", converter=forms.float_converter(), proportion=0, ) self._CF_slider = forms.slider( parent=self.GetWin(), sizer=_CF_sizer, value=self.CF, callback=self.set_CF, minimum=80e6, maximum=108e6, num_steps=280, style=wx.SL_HORIZONTAL, cast=float, proportion=1, ) self.GridAdd(_CF_sizer, 3, 0, 1, 2) ################################################## # Connections ################################################## self.connect((self.analog_const_source_x_0, 0), (self.blocks_float_to_complex_0, 1)) self.connect((self.analog_fm_deemph_0, 0), (self.audio_sink_0_0_0_0, 0)) self.connect((self.analog_fm_deemph_0_0, 0), (self.audio_sink_0_0_0_0, 1)) self.connect((self.analog_pll_refout_cc_0_0, 0), (self.blocks_multiply_xx_1_0, 0)) self.connect((self.analog_pll_refout_cc_0_0, 0), (self.blocks_multiply_xx_1_0, 1)) self.connect((self.band_pass_filter_0, 0), (self.blocks_multiply_xx_0, 0)) self.connect((self.band_pass_filter_0_0_0, 0), (self.analog_pll_refout_cc_0_0, 0)) self.connect((self.baseband_LPF, 0), (self.blocks_add_xx_0, 0)) self.connect((self.baseband_LPF, 0), (self.blocks_sub_xx_0, 0)) self.connect((self.blocks_add_const_vxx_0, 0), (self.blocks_divide_xx_1, 1)) self.connect((self.blocks_add_xx_0, 0), (self.blocks_multiply_const_vxx_0, 0)) self.connect((self.blocks_complex_to_imag_0, 0), (self.band_pass_filter_0, 0)) self.connect((self.blocks_complex_to_imag_0, 0), (self.band_pass_filter_0_0_0, 0)) self.connect((self.blocks_complex_to_imag_0, 0), (self.baseband_LPF, 0)) self.connect((self.blocks_complex_to_imag_0, 0), (self.wxgui_fftsink2_0_0_0, 0)) self.connect((self.blocks_complex_to_mag_0, 0), (self.blocks_float_to_complex_0, 0)) self.connect((self.blocks_complex_to_real_0, 0), (self.blocks_multiply_xx_0, 1)) self.connect((self.blocks_delay_2, 0), (self.blocks_multiply_conjugate_cc_0, 1)) self.connect((self.blocks_divide_xx_1, 0), (self.blocks_delay_2, 0)) self.connect((self.blocks_divide_xx_1, 0), (self.iir_filter_xxx_0, 0)) self.connect((self.blocks_file_source_0_0, 0), (self.rfgain, 0)) self.connect((self.blocks_float_to_complex_0, 0), (self.blocks_add_const_vxx_0, 0)) self.connect((self.blocks_multiply_conjugate_cc_0, 0), (self.blocks_complex_to_imag_0, 0)) self.connect((self.blocks_multiply_const_vxx_0, 0), (self.analog_fm_deemph_0, 0)) self.connect((self.blocks_multiply_const_vxx_0, 0), (self.wxgui_fftsink2_0, 0)) self.connect((self.blocks_multiply_const_vxx_0, 0), (self.wxgui_scopesink2_0, 0)) self.connect((self.blocks_multiply_const_vxx_0_0, 0), (self.analog_fm_deemph_0_0, 0)) self.connect((self.blocks_multiply_const_vxx_0_0, 0), (self.wxgui_fftsink2_0_1, 0)) self.connect((self.blocks_multiply_const_vxx_0_0, 0), (self.wxgui_scopesink2_0, 1)) self.connect((self.blocks_multiply_xx_0, 0), (self.low_pass_filter_1_0, 0)) self.connect((self.blocks_multiply_xx_1_0, 0), (self.blocks_complex_to_real_0, 0)) self.connect((self.blocks_sub_xx_0, 0), (self.blocks_multiply_const_vxx_0_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.fir_filter_xxx_0_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.wxgui_fftsink2_0_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.wxgui_waterfallsink2_0, 0)) self.connect((self.fir_filter_xxx_0_0, 0), (self.low_pass_filter_0, 0)) self.connect((self.iir_filter_xxx_0, 0), (self.blocks_multiply_conjugate_cc_0, 0)) self.connect((self.low_pass_filter_0, 0), (self.blocks_complex_to_mag_0, 0)) self.connect((self.low_pass_filter_0, 0), (self.blocks_divide_xx_1, 0)) self.connect((self.low_pass_filter_1_0, 0), (self.blocks_add_xx_0, 1)) self.connect((self.low_pass_filter_1_0, 0), (self.blocks_sub_xx_0, 1)) self.connect((self.rfgain, 0), (self.blocks_throttle_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/24x24/apps/gnuradio-grc.png" self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY)) ################################################## # Variables ################################################## self.samp_rate = samp_rate = 1000000 self.bb_decim = bb_decim = 4 self.freq_offset = freq_offset = 250000 self.freq = freq = 97e6 self.baseband_rate = baseband_rate = samp_rate / bb_decim self.audio_decim = audio_decim = 5 self.xlate_bandwidth = xlate_bandwidth = 100000 self.volume = volume = 0 self.gain = gain = 20 self.freq_tune = freq_tune = freq - freq_offset self.audio_rate = audio_rate = 48000 self.audio_decim_rate = audio_decim_rate = baseband_rate / audio_decim ################################################## # 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), "L+R") self.nb.AddPage(grc_wxgui.Panel(self.nb), "Pilot") self.nb.AddPage(grc_wxgui.Panel(self.nb), "DSBSC") self.nb.AddPage(grc_wxgui.Panel(self.nb), "RDS") self.nb.AddPage(grc_wxgui.Panel(self.nb), "L-R") self.nb.AddPage(grc_wxgui.Panel(self.nb), "RDS constellation") self.nb.AddPage(grc_wxgui.Panel(self.nb), "Waterfall") 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=88.1e6, maximum=107.9e6, num_steps=99, 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(8).GetWin(), baseband_freq=0, dynamic_range=100, ref_level=0, ref_scale=2.0, sample_rate=baseband_rate, fft_size=512, fft_rate=15, average=False, avg_alpha=None, title='Waterfall Plot', ) self.nb.GetPage(8).Add(self.wxgui_waterfallsink2_0.win) self.wxgui_scopesink2_1 = scopesink2.scope_sink_c( self.nb.GetPage(7).GetWin(), title='Scope Plot', sample_rate=2375, 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(7).Add(self.wxgui_scopesink2_1.win) self.wxgui_scopesink2_0 = scopesink2.scope_sink_f( self.nb.GetPage(3).GetWin(), title='Pilot', sample_rate=baseband_rate, 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.nb.GetPage(3).Add(self.wxgui_scopesink2_0.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=audio_rate, 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_0_0 = fftsink2.fft_sink_f( self.nb.GetPage(6).GetWin(), baseband_freq=0, y_per_div=10, y_divs=10, ref_level=-50, ref_scale=2.0, sample_rate=baseband_rate, fft_size=1024, fft_rate=15, average=False, avg_alpha=None, title='L-R', peak_hold=False, ) self.nb.GetPage(6).Add(self.wxgui_fftsink2_0_0_0_1_0_0.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=baseband_rate, fft_size=1024, fft_rate=15, average=False, avg_alpha=None, title='DSBSC Sub-carrier', 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(2).GetWin(), baseband_freq=0, y_per_div=10, y_divs=10, ref_level=0, ref_scale=2.0, sample_rate=audio_decim_rate, fft_size=1024, fft_rate=15, average=False, avg_alpha=None, title='L+R', peak_hold=False, ) self.nb.GetPage(2).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=baseband_rate, 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( 1, firdes.root_raised_cosine(1, samp_rate / bb_decim / audio_decim, 2375, 1, 100)) self.rational_resampler_xxx_0_0 = filter.rational_resampler_fff( interpolation=audio_rate, decimation=audio_decim_rate, taps=None, fractional_bw=None, ) self.rational_resampler_xxx_0 = filter.rational_resampler_fff( interpolation=audio_rate, decimation=audio_decim_rate, taps=None, fractional_bw=None, ) self.osmosdr_source_0 = osmosdr.source(args="numchan=" + str(1) + " " + '') self.osmosdr_source_0.set_sample_rate(samp_rate) self.osmosdr_source_0.set_center_freq(freq_tune, 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, 0) self.osmosdr_source_0.set_if_gain(20, 0) self.osmosdr_source_0.set_bb_gain(20, 0) self.osmosdr_source_0.set_antenna('', 0) self.osmosdr_source_0.set_bandwidth(0, 0) self.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_1 = filter.freq_xlating_fir_filter_fcc( audio_decim, (firdes.low_pass(2500.0, baseband_rate, 2.4e3, 2e3, firdes.WIN_HAMMING)), 57e3, baseband_rate) self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc( 1, (firdes.low_pass(1, samp_rate, xlate_bandwidth, 100000)), freq_offset, samp_rate) self.fir_filter_xxx_5 = filter.fir_filter_fff( audio_decim, (firdes.low_pass(1.0, baseband_rate, 20e3, 40e3, firdes.WIN_HAMMING))) self.fir_filter_xxx_5.declare_sample_delay(0) self.fir_filter_xxx_3 = filter.fir_filter_fff( 1, (firdes.band_pass(1.0, baseband_rate, 38e3 - 13e3, 38e3 + 13e3, 3e3, firdes.WIN_HAMMING))) self.fir_filter_xxx_3.declare_sample_delay(0) self.fir_filter_xxx_2 = filter.fir_filter_fcc( 1, (firdes.complex_band_pass(1.0, baseband_rate, 19e3 - 500, 19e3 + 500, 1e3, firdes.WIN_HAMMING))) self.fir_filter_xxx_2.declare_sample_delay(0) self.fir_filter_xxx_1 = filter.fir_filter_fff( audio_decim, (firdes.low_pass(1.0, baseband_rate, 13e3, 3e3, firdes.WIN_HAMMING))) self.fir_filter_xxx_1.declare_sample_delay(0) self.digital_mpsk_receiver_cc_0 = digital.mpsk_receiver_cc( 2, 0, 1 * cmath.pi / 100.0, -0.06, 0.06, 0.5, 0.05, samp_rate / bb_decim / audio_decim / 2375.0, 0.001, 0.005) self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(2) self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb() self.blocks_sub_xx_0 = blocks.sub_ff(1) self.blocks_multiply_xx_1 = blocks.multiply_vcc(1) self.blocks_multiply_xx_0 = blocks.multiply_vff(1) self.blocks_multiply_const_vxx_0_0 = blocks.multiply_const_vff( (10**(1. * (volume + 15) / 10), )) self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff( (10**(1. * (volume + 15) / 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_complex_to_imag_0 = blocks.complex_to_imag(1) self.blocks_add_xx_0 = blocks.add_vff(1) self.audio_sink_0 = audio.sink(audio_rate, '', True) self.analog_wfm_rcv_0 = analog.wfm_rcv( quad_rate=samp_rate, audio_decimation=bb_decim, ) self.analog_pll_refout_cc_0 = analog.pll_refout_cc( 0.001, 2 * math.pi * (19000 + 200) / baseband_rate, 2 * math.pi * (19000 - 200) / baseband_rate) self.analog_fm_deemph_0_0_0 = analog.fm_deemph(fs=audio_decim_rate, tau=75e-6) self.analog_fm_deemph_0_0 = analog.fm_deemph(fs=audio_decim_rate, 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_pll_refout_cc_0, 0), (self.blocks_multiply_xx_1, 0)) self.connect((self.analog_pll_refout_cc_0, 0), (self.blocks_multiply_xx_1, 1)) self.connect((self.analog_wfm_rcv_0, 0), (self.fir_filter_xxx_1, 0)) self.connect((self.analog_wfm_rcv_0, 0), (self.fir_filter_xxx_2, 0)) self.connect((self.analog_wfm_rcv_0, 0), (self.fir_filter_xxx_3, 0)) self.connect((self.analog_wfm_rcv_0, 0), (self.freq_xlating_fir_filter_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_imag_0, 0), (self.blocks_multiply_xx_0, 1)) self.connect((self.blocks_complex_to_imag_0, 0), (self.wxgui_scopesink2_0, 0)) self.connect((self.blocks_complex_to_real_0, 0), (self.digital_binary_slicer_fb_0, 0)) self.connect((self.blocks_keep_one_in_n_0, 0), (self.digital_diff_decoder_bb_0, 0)) self.connect((self.blocks_multiply_const_vxx_0, 0), (self.rational_resampler_xxx_0, 0)) self.connect((self.blocks_multiply_const_vxx_0_0, 0), (self.rational_resampler_xxx_0_0, 0)) self.connect((self.blocks_multiply_xx_0, 0), (self.fir_filter_xxx_5, 0)) self.connect((self.blocks_multiply_xx_0, 0), (self.wxgui_fftsink2_0_0_0_1_0_0, 0)) self.connect((self.blocks_multiply_xx_1, 0), (self.blocks_complex_to_imag_0, 0)) self.connect((self.blocks_sub_xx_0, 0), (self.analog_fm_deemph_0_0, 0)) self.connect((self.digital_binary_slicer_fb_0, 0), (self.blocks_keep_one_in_n_0, 0)) self.connect((self.digital_diff_decoder_bb_0, 0), (self.gr_rds_decoder_0, 0)) self.connect((self.digital_mpsk_receiver_cc_0, 0), (self.blocks_complex_to_real_0, 0)) self.connect((self.digital_mpsk_receiver_cc_0, 0), (self.wxgui_scopesink2_1, 0)) self.connect((self.fir_filter_xxx_1, 0), (self.blocks_add_xx_0, 0)) self.connect((self.fir_filter_xxx_1, 0), (self.blocks_sub_xx_0, 0)) self.connect((self.fir_filter_xxx_1, 0), (self.wxgui_fftsink2_0_0_0, 0)) self.connect((self.fir_filter_xxx_2, 0), (self.analog_pll_refout_cc_0, 0)) self.connect((self.fir_filter_xxx_3, 0), (self.blocks_multiply_xx_0, 0)) self.connect((self.fir_filter_xxx_3, 0), (self.wxgui_fftsink2_0_0_0_1, 0)) self.connect((self.fir_filter_xxx_5, 0), (self.blocks_add_xx_0, 1)) self.connect((self.fir_filter_xxx_5, 0), (self.blocks_sub_xx_0, 1)) 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), (self.root_raised_cosine_filter_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_1, 0), (self.wxgui_fftsink2_0_0_0_1_0_1, 0)) self.connect((self.osmosdr_source_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0)) self.connect((self.rational_resampler_xxx_0, 0), (self.audio_sink_0, 0)) self.connect((self.rational_resampler_xxx_0_0, 0), (self.audio_sink_0, 1)) self.connect((self.root_raised_cosine_filter_0, 0), (self.digital_mpsk_receiver_cc_0, 0))
def __init__(self): gr.top_block.__init__(self, "Not titled yet") Qt.QWidget.__init__(self) self.setWindowTitle("Not titled yet") qtgui.util.check_set_qss() try: self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc')) except: pass self.top_scroll_layout = Qt.QVBoxLayout() self.setLayout(self.top_scroll_layout) self.top_scroll = Qt.QScrollArea() self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame) self.top_scroll_layout.addWidget(self.top_scroll) self.top_scroll.setWidgetResizable(True) self.top_widget = Qt.QWidget() self.top_scroll.setWidget(self.top_widget) self.top_layout = Qt.QVBoxLayout(self.top_widget) self.top_grid_layout = Qt.QGridLayout() self.top_layout.addLayout(self.top_grid_layout) self.settings = Qt.QSettings("GNU Radio", "TP2c") 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.sintonizador = sintonizador = 95.1e6 self.samp_rate = samp_rate = 2e6 self.fsk_deviation_hz = fsk_deviation_hz = 75e3 self.carrier_min_freq = carrier_min_freq = sintonizador - 5e3 self.carrier_max_freq = carrier_max_freq = sintonizador + 5e3 ################################################## # Blocks ################################################## self._sintonizador_range = Range(88.1e6, 103.5e6, 200e3, 95.1e6, 200) self._sintonizador_win = RangeWidget(self._sintonizador_range, self.set_sintonizador, 'sintonizador', "counter_slider", float) self.top_grid_layout.addWidget(self._sintonizador_win) self.qtgui_waterfall_sink_x_0 = qtgui.waterfall_sink_c( 2048, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw "", #name 1 #number of inputs ) 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) 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_grid_layout.addWidget(self._qtgui_waterfall_sink_x_0_win) self.qtgui_time_sink_x_1 = qtgui.time_sink_f( 1024, #size samp_rate, #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 = [ 'Signal 1', 'Signal 2', 'Signal 3', 'Signal 4', 'Signal 5', 'Signal 6', 'Signal 7', 'Signal 8', 'Signal 9', 'Signal 10' ] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ 'blue', 'red', 'green', 'black', 'cyan', 'magenta', 'yellow', 'dark red', 'dark green', 'dark blue' ] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] for i in range(1): if len(labels[i]) == 0: self.qtgui_time_sink_x_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_c( 1024, #size samp_rate, #samp_rate "", #name 1 #number of inputs ) self.qtgui_time_sink_x_0.set_update_time(0.10) self.qtgui_time_sink_x_0.set_y_axis(-1, 1) self.qtgui_time_sink_x_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_0.enable_tags(True) self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_0.enable_autoscale(False) self.qtgui_time_sink_x_0.enable_grid(False) self.qtgui_time_sink_x_0.enable_axis_labels(True) self.qtgui_time_sink_x_0.enable_control_panel(False) self.qtgui_time_sink_x_0.enable_stem_plot(False) labels = [ 'Signal 1', 'Signal 2', 'Signal 3', 'Signal 4', 'Signal 5', 'Signal 6', 'Signal 7', 'Signal 8', 'Signal 9', 'Signal 10' ] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ 'blue', 'red', 'green', 'black', 'cyan', 'magenta', 'yellow', 'dark red', 'dark green', 'dark blue' ] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] for i in range(2): if len(labels[i]) == 0: if (i % 2 == 0): self.qtgui_time_sink_x_0.set_line_label( i, "Re{{Data {0}}}".format(i / 2)) else: self.qtgui_time_sink_x_0.set_line_label( i, "Im{{Data {0}}}".format(i / 2)) else: self.qtgui_time_sink_x_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_0_win = sip.wrapinstance( self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_win) self.qtgui_freq_sink_x_0 = qtgui.freq_sink_f( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw "", #name 1) 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_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 range(1): if len(labels[i]) == 0: self.qtgui_freq_sink_x_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_freq_sink_x_0.set_line_label(i, labels[i]) self.qtgui_freq_sink_x_0.set_line_width(i, widths[i]) self.qtgui_freq_sink_x_0.set_line_color(i, colors[i]) self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_freq_sink_x_0_win = sip.wrapinstance( self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win) self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc( 1, [1], sintonizador, samp_rate) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1, samp_rate, True) self.blocks_file_source_0 = blocks.file_source( gr.sizeof_gr_complex * 1, '/home/fran/Documents/UCA/4to año/Radiodifusión/Drive/Unidad 1 - Introducción a la teledifusión/Practicas/radio_240k.dat', True, 0, 0) self.blocks_file_source_0.set_begin_tag(pmt.PMT_NIL) self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf( samp_rate / (2 * math.pi * fsk_deviation_hz / 8.0)) self.analog_pll_refout_cc_0 = analog.pll_refout_cc( np.pi / 200, 2 * np.pi * (carrier_max_freq / samp_rate), 2 * np.pi * (carrier_min_freq / samp_rate)) ################################################## # Connections ################################################## self.connect((self.analog_pll_refout_cc_0, 0), (self.analog_quadrature_demod_cf_0, 0)) self.connect((self.analog_quadrature_demod_cf_0, 0), (self.qtgui_freq_sink_x_0, 0)) self.connect((self.analog_quadrature_demod_cf_0, 0), (self.qtgui_time_sink_x_1, 0)) self.connect((self.blocks_file_source_0, 0), (self.blocks_throttle_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.qtgui_time_sink_x_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.qtgui_waterfall_sink_x_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.analog_pll_refout_cc_0, 0))