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.demod_rate = demod_rate = 192000 self.audio_decimation = audio_decimation = 4 self.volume = volume = 1 self.samp_rate = samp_rate = 1000e3 self.range1 = range1 = 88.1 self.audio_rate = audio_rate = demod_rate / audio_decimation ################################################## # Blocks ################################################## self._volume_layout = Qt.QVBoxLayout() self._volume_tool_bar = Qt.QToolBar(self) self._volume_layout.addWidget(self._volume_tool_bar) self._volume_tool_bar.addWidget(Qt.QLabel("Volume"+": ")) class qwt_counter_pyslot(Qwt.QwtCounter): def __init__(self, parent=None): Qwt.QwtCounter.__init__(self, parent) @pyqtSlot('double') def setValue(self, value): super(Qwt.QwtCounter, self).setValue(value) self._volume_counter = qwt_counter_pyslot() self._volume_counter.setRange(0.000001, 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._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.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.rational_resampler_xxx_0_0 = filter.rational_resampler_ccc( interpolation=demod_rate, decimation=int(samp_rate), taps=None, fractional_bw=None, ) self.qtgui_freq_sink_x_0 = qtgui.freq_sink_f( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc audio_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(0.2) if float == 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(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.audio_sink_0 = audio.sink(audio_rate, "", True) self.analog_wfm_rcv_pll_0 = analog.wfm_rcv_pll( demod_rate=demod_rate, audio_decimation=4, ) self.analog_fm_deemph_0_1_0 = analog.fm_deemph(fs=audio_rate, tau=75e-6) self.analog_fm_deemph_0_1 = analog.fm_deemph(fs=audio_rate, tau=75e-6) self.analog_agc2_xx_0_0_0 = analog.agc2_ff(1e-1, 1e-2, 1.0, 1.0) self.analog_agc2_xx_0_0_0.set_max_gain(volume) self.analog_agc2_xx_0_0 = analog.agc2_ff(1e-1, 1e-2, 1.0, 1.0) self.analog_agc2_xx_0_0.set_max_gain(volume) ################################################## # Connections ################################################## self.connect((self.analog_agc2_xx_0_0, 0), (self.analog_fm_deemph_0_1_0, 0)) self.connect((self.analog_agc2_xx_0_0_0, 0), (self.analog_fm_deemph_0_1, 0)) self.connect((self.analog_fm_deemph_0_1, 0), (self.audio_sink_0, 1)) self.connect((self.analog_fm_deemph_0_1, 0), (self.qtgui_freq_sink_x_0, 1)) self.connect((self.analog_fm_deemph_0_1_0, 0), (self.audio_sink_0, 0)) self.connect((self.analog_fm_deemph_0_1_0, 0), (self.qtgui_freq_sink_x_0, 0)) self.connect((self.analog_wfm_rcv_pll_0, 0), (self.analog_agc2_xx_0_0, 0)) self.connect((self.analog_wfm_rcv_pll_0, 1), (self.analog_agc2_xx_0_0_0, 0)) self.connect((self.rational_resampler_xxx_0_0, 0), (self.analog_wfm_rcv_pll_0, 0)) self.connect((self.rtl2832_source_0, 0), (self.rational_resampler_xxx_0_0, 0))
def __init__(self): gr.top_block.__init__(self) usage = "usage: %prog [options] input-samples-320kS.dat output.wav" parser = OptionParser(option_class=eng_option, usage=usage) parser.add_option("-V", "--volume", type="eng_float", default=None, help="set volume (default is midpoint)") (options, args) = parser.parse_args() if len(args) != 2: parser.print_help() sys.exit(1) input_filename = args[0] output_filename = args[1] self.vol = 0 # build graph self.src = blocks.file_source(gr.sizeof_gr_complex, input_filename, False) adc_rate = 64e6 # 64 MS/s usrp_decim = 200 usrp_rate = adc_rate / usrp_decim # 320 kS/s chanfilt_decim = 1 demod_rate = usrp_rate / chanfilt_decim audio_decimation = 10 audio_rate = demod_rate / audio_decimation # 32 kHz chan_filt_coeffs = filter.optfir.low_pass( 1, # gain usrp_rate, # sampling rate 80e3, # passband cutoff 115e3, # stopband cutoff 0.1, # passband ripple 60) # stopband attenuation #print len(chan_filt_coeffs) chan_filt = filter.fir_filter_ccf(chanfilt_decim, chan_filt_coeffs) #self.guts = analog.wfm_rcv (demod_rate, audio_decimation) self.guts = analog.wfm_rcv_pll(demod_rate, audio_decimation) # FIXME rework {add,multiply}_const_* to handle multiple streams self.volume_control_l = blocks.multiply_const_ff(self.vol) self.volume_control_r = blocks.multiply_const_ff(self.vol) # wave file as final sink if 1: sink = blocks.wavfile_sink(output_filename, 2, int(audio_rate), 16) else: sink = audio.sink(int(audio_rate), options.audio_output, False) # ok_to_block # now wire it all together self.connect(self.src, chan_filt, self.guts) self.connect((self.guts, 0), self.volume_control_l, (sink, 0)) self.connect((self.guts, 1), self.volume_control_r, (sink, 1)) try: self.guts.stereo_carrier_pll_recovery.squelch_enable(True) except: pass #print "FYI: This implementation of the stereo_carrier_pll_recovery has no squelch implementation yet" if options.volume is None: g = self.volume_range() options.volume = float(g[0] + g[1]) / 2 # set initial values self.set_vol(options.volume) try: self.guts.stereo_carrier_pll_recovery.set_lock_threshold( options.squelch) except: pass
def __init__(self): gr.top_block.__init__(self, "fm_receptor") Qt.QWidget.__init__(self) self.setWindowTitle("fm_receptor") 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_receptor") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Variables ################################################## self.usrp_frequency = usrp_frequency = 98900000 self.samp_rate = samp_rate = 500000 self.rf_gain = rf_gain = 30 self.fine_frequency = fine_frequency = 0 ################################################## # Blocks ################################################## self._usrp_frequency_range = Range(88000000, 108000000, 100000, 98900000, 200) self._usrp_frequency_win = RangeWidget(self._usrp_frequency_range, self.set_usrp_frequency, "Central Frequency", "counter_slider", float) self.top_layout.addWidget(self._usrp_frequency_win) self._rf_gain_range = Range(0, 50, 1, 30, 200) self._rf_gain_win = RangeWidget(self._rf_gain_range, self.set_rf_gain, "RF GAIN", "counter_slider", float) self.top_layout.addWidget(self._rf_gain_win) self.janela = Qt.QTabWidget() self.janela_widget_0 = Qt.QWidget() self.janela_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.janela_widget_0) self.janela_grid_layout_0 = Qt.QGridLayout() self.janela_layout_0.addLayout(self.janela_grid_layout_0) self.janela.addTab(self.janela_widget_0, "R Channel") self.janela_widget_1 = Qt.QWidget() self.janela_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.janela_widget_1) self.janela_grid_layout_1 = Qt.QGridLayout() self.janela_layout_1.addLayout(self.janela_grid_layout_1) self.janela.addTab(self.janela_widget_1, "L Channel") self.top_layout.addWidget(self.janela) self._fine_frequency_range = Range(-250000, 250000, 500, 0, 200) self._fine_frequency_win = RangeWidget(self._fine_frequency_range, self.set_fine_frequency, "Fine Frequency", "counter_slider", float) self.top_layout.addWidget(self._fine_frequency_win) self.uhd_usrp_source_0 = uhd.usrp_source( ",".join(("", "")), uhd.stream_args( cpu_format="fc32", channels=range(1), ), ) self.uhd_usrp_source_0.set_samp_rate(samp_rate) self.uhd_usrp_source_0.set_center_freq(usrp_frequency + fine_frequency, 0) self.uhd_usrp_source_0.set_gain(rf_gain, 0) self.qtgui_freq_sink_x_1 = qtgui.freq_sink_f( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw "Espectro L", #name 1 #number of inputs ) 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_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 True: self.qtgui_freq_sink_x_1.disable_legend() if "float" == "float" or "float" == "msg_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(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.janela_layout_0.addWidget(self._qtgui_freq_sink_x_1_win) self.qtgui_freq_sink_x_0 = qtgui.freq_sink_f( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 98900000, #fc samp_rate, #bw "Espectro R", #name 1 #number of inputs ) self.qtgui_freq_sink_x_0.set_update_time(0.10) self.qtgui_freq_sink_x_0.set_y_axis(-140, 10) self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "") self.qtgui_freq_sink_x_0.enable_autoscale(False) self.qtgui_freq_sink_x_0.enable_grid(False) self.qtgui_freq_sink_x_0.set_fft_average(1.0) self.qtgui_freq_sink_x_0.enable_control_panel(False) if not True: self.qtgui_freq_sink_x_0.disable_legend() if "float" == "float" or "float" == "msg_float": self.qtgui_freq_sink_x_0.set_plot_pos_half(not True) labels = ["", "", "", "", "", "", "", "", "", ""] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "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.janela_layout_1.addWidget(self._qtgui_freq_sink_x_0_win) self.low_pass_filter_0 = filter.fir_filter_ccf( 1, firdes.low_pass(1, samp_rate, 115000, 30000, firdes.WIN_HANN, 6.76)) self.analog_wfm_rcv_pll_0 = analog.wfm_rcv_pll( demod_rate=500e3, audio_decimation=10, ) ################################################## # Connections ################################################## self.connect((self.analog_wfm_rcv_pll_0, 1), (self.qtgui_freq_sink_x_0, 0)) self.connect((self.analog_wfm_rcv_pll_0, 0), (self.qtgui_freq_sink_x_1, 0)) self.connect((self.low_pass_filter_0, 0), (self.analog_wfm_rcv_pll_0, 0)) self.connect((self.uhd_usrp_source_0, 0), (self.low_pass_filter_0, 0))
def __init__(self,frame,panel,vbox,argv): stdgui2.std_top_block.__init__ (self,frame,panel,vbox,argv) parser=OptionParser(option_class=eng_option) parser.add_option("-a", "--args", type="string", default="", help="UHD device address args [default=%default]") parser.add_option("", "--spec", type="string", default=None, help="Subdevice of UHD device where appropriate") parser.add_option("-A", "--antenna", type="string", default=None, help="select Rx Antenna where appropriate") parser.add_option("-f", "--freq", type="eng_float", default=100.1e6, help="set frequency to FREQ", metavar="FREQ") parser.add_option("-g", "--gain", type="eng_float", default=None, help="set gain in dB (default is midpoint)") parser.add_option("-s", "--squelch", type="eng_float", default=0, help="set squelch level (default is 0)") parser.add_option("-V", "--volume", type="eng_float", default=None, help="set volume (default is midpoint)") parser.add_option("-O", "--audio-output", type="string", default="default", help="pcm device name. E.g., hw:0,0 or surround51 or /dev/dsp") parser.add_option("", "--freq-min", type="eng_float", default=87.9e6, help="Set a minimum frequency [default=%default]") parser.add_option("", "--freq-max", type="eng_float", default=108.1e6, help="Set a maximum frequency [default=%default]") (options, args) = parser.parse_args() if len(args) != 0: parser.print_help() sys.exit(1) self.frame = frame self.panel = panel self.vol = 0 self.state = "FREQ" self.freq = 0 self.fm_freq_min = options.freq_min self.fm_freq_max = options.freq_max # build graph self.u = uhd.usrp_source(device_addr=options.args, stream_args=uhd.stream_args('fc32')) # Set the subdevice spec if(options.spec): self.u.set_subdev_spec(options.spec, 0) # Set the antenna if(options.antenna): self.u.set_antenna(options.antenna, 0) usrp_rate = 320e3 demod_rate = 320e3 audio_rate = 48e3 audio_decim = 10 self.u.set_samp_rate(usrp_rate) dev_rate = self.u.get_samp_rate() nfilts = 32 chan_coeffs = filter.firdes.low_pass_2(nfilts, # gain nfilts*usrp_rate, # sampling rate 90e3, # passband cutoff 30e3, # stopband cutoff 70) # stopband attenuation rrate = usrp_rate / dev_rate self.chan_filt = filter.pfb.arb_resampler_ccf(rrate, chan_coeffs, nfilts) self.guts = analog.wfm_rcv_pll(demod_rate, audio_decim) chan_rate = audio_rate / (demod_rate/audio_decim) self.rchan_filt = filter.pfb.arb_resampler_fff(chan_rate) self.lchan_filt = filter.pfb.arb_resampler_fff(chan_rate) # FIXME rework {add,multiply}_const_* to handle multiple streams self.volume_control_l = blocks.multiply_const_ff(self.vol) self.volume_control_r = blocks.multiply_const_ff(self.vol) # sound card as final sink self.audio_sink = audio.sink (int (audio_rate), options.audio_output, False) # ok_to_block # now wire it all together self.connect (self.u, self.chan_filt, self.guts) self.connect((self.guts, 0), self.lchan_filt, self.volume_control_l, (self.audio_sink,0)) self.connect((self.guts, 1), self.rchan_filt, self.volume_control_r, (self.audio_sink,1)) try: self.guts.stereo_carrier_pll_recovery.squelch_enable(True) except: print "FYI: This implementation of the stereo_carrier_pll_recovery has no squelch implementation yet" self._build_gui(vbox, usrp_rate, demod_rate, audio_rate) if options.gain is None: # if no gain was specified, use the mid-point in dB g = self.u.get_gain_range() options.gain = float(g.start()+g.stop())/2.0 if options.volume is None: g = self.volume_range() options.volume = float(g[0]+g[1])/2 frange = self.u.get_freq_range() if(frange.start() > self.fm_freq_max or frange.stop() < self.fm_freq_min): sys.stderr.write("Radio does not support required frequency range.\n") sys.exit(1) if(options.freq < self.fm_freq_min or options.freq > self.fm_freq_max): sys.stderr.write("Requested frequency is outside of required frequency range.\n") sys.exit(1) # set initial values self.set_gain(options.gain) self.set_vol(options.volume) try: self.guts.stereo_carrier_pll_recovery.set_lock_threshold(options.squelch) except: print "FYI: This implementation of the stereo_carrier_pll_recovery has no squelch implementation yet" if not(self.set_freq(options.freq)): self._set_status_msg("Failed to set initial frequency")
def __init__(self): gr.top_block.__init__(self) usage = "usage: %prog [options] input-samples-320kS.dat output.wav" parser = OptionParser(option_class=eng_option, usage=usage) parser.add_option("-V", "--volume", type="eng_float", default=None, help="set volume (default is midpoint)") (options, args) = parser.parse_args() if len(args) != 2: parser.print_help() sys.exit(1) input_filename = args[0] output_filename = args[1] self.vol = 0 # build graph self.src = blocks.file_source(gr.sizeof_gr_complex, input_filename, False) adc_rate = 64e6 # 64 MS/s usrp_decim = 200 usrp_rate = adc_rate / usrp_decim # 320 kS/s chanfilt_decim = 1 demod_rate = usrp_rate / chanfilt_decim audio_decimation = 10 audio_rate = demod_rate / audio_decimation # 32 kHz chan_filt_coeffs = optfir.low_pass( 1, # gain usrp_rate, # sampling rate 80e3, # passband cutoff 115e3, # stopband cutoff 0.1, # passband ripple 60, ) # stopband attenuation # print len(chan_filt_coeffs) chan_filt = filter.fir_filter_ccf(chanfilt_decim, chan_filt_coeffs) # self.guts = analog.wfm_rcv (demod_rate, audio_decimation) self.guts = analog.wfm_rcv_pll(demod_rate, audio_decimation) # FIXME rework {add,multiply}_const_* to handle multiple streams self.volume_control_l = blocks.multiply_const_ff(self.vol) self.volume_control_r = blocks.multiply_const_ff(self.vol) # wave file as final sink if 1: sink = blocks.wavfile_sink(output_filename, 2, int(audio_rate), 16) else: sink = audio.sink(int(audio_rate), options.audio_output, False) # ok_to_block # now wire it all together self.connect(self.src, chan_filt, self.guts) self.connect((self.guts, 0), self.volume_control_l, (sink, 0)) self.connect((self.guts, 1), self.volume_control_r, (sink, 1)) try: self.guts.stereo_carrier_pll_recovery.squelch_enable(True) except: pass # print "FYI: This implementation of the stereo_carrier_pll_recovery has no squelch implementation yet" if options.volume is None: g = self.volume_range() options.volume = float(g[0] + g[1]) / 2 # set initial values self.set_vol(options.volume) try: self.guts.stereo_carrier_pll_recovery.set_lock_threshold(options.squelch) except: pass
def __init__(self, frame, panel, vbox, argv): stdgui2.std_top_block.__init__(self, frame, panel, vbox, argv) parser = OptionParser(option_class=eng_option) parser.add_option("-a", "--args", type="string", default="", help="UHD device address args [default=%default]") parser.add_option("", "--spec", type="string", default=None, help="Subdevice of UHD device where appropriate") parser.add_option("-A", "--antenna", type="string", default=None, help="select Rx Antenna where appropriate") parser.add_option("-f", "--freq", type="eng_float", default=100.1e6, help="set frequency to FREQ", metavar="FREQ") parser.add_option("-g", "--gain", type="eng_float", default=None, help="set gain in dB (default is midpoint)") parser.add_option("-s", "--squelch", type="eng_float", default=0, help="set squelch level (default is 0)") parser.add_option("-V", "--volume", type="eng_float", default=None, help="set volume (default is midpoint)") parser.add_option( "-O", "--audio-output", type="string", default="default", help="pcm device name. E.g., hw:0,0 or surround51 or /dev/dsp") parser.add_option("", "--freq-min", type="eng_float", default=87.9e6, help="Set a minimum frequency [default=%default]") parser.add_option("", "--freq-max", type="eng_float", default=108.1e6, help="Set a maximum frequency [default=%default]") (options, args) = parser.parse_args() if len(args) != 0: parser.print_help() sys.exit(1) self.frame = frame self.panel = panel self.vol = 0 self.state = "FREQ" self.freq = 0 self.fm_freq_min = options.freq_min self.fm_freq_max = options.freq_max # build graph self.u = uhd.usrp_source(device_addr=options.args, stream_args=uhd.stream_args('fc32')) # Set the subdevice spec if (options.spec): self.u.set_subdev_spec(options.spec, 0) # Set the antenna if (options.antenna): self.u.set_antenna(options.antenna, 0) usrp_rate = 320e3 demod_rate = 320e3 audio_rate = 48e3 audio_decim = 10 self.u.set_samp_rate(usrp_rate) dev_rate = self.u.get_samp_rate() nfilts = 32 chan_coeffs = filter.firdes.low_pass_2( nfilts, # gain nfilts * usrp_rate, # sampling rate 90e3, # passband cutoff 30e3, # stopband cutoff 70) # stopband attenuation rrate = usrp_rate / dev_rate self.chan_filt = filter.pfb.arb_resampler_ccf(rrate, chan_coeffs, nfilts) self.guts = analog.wfm_rcv_pll(demod_rate, audio_decim) chan_rate = audio_rate / (demod_rate / audio_decim) self.rchan_filt = filter.pfb.arb_resampler_fff(chan_rate) self.lchan_filt = filter.pfb.arb_resampler_fff(chan_rate) # FIXME rework {add,multiply}_const_* to handle multiple streams self.volume_control_l = blocks.multiply_const_ff(self.vol) self.volume_control_r = blocks.multiply_const_ff(self.vol) # sound card as final sink self.audio_sink = audio.sink(int(audio_rate), options.audio_output, False) # ok_to_block # now wire it all together self.connect(self.u, self.chan_filt, self.guts) self.connect((self.guts, 0), self.lchan_filt, self.volume_control_l, (self.audio_sink, 0)) self.connect((self.guts, 1), self.rchan_filt, self.volume_control_r, (self.audio_sink, 1)) try: self.guts.stereo_carrier_pll_recovery.squelch_enable(True) except: print "FYI: This implementation of the stereo_carrier_pll_recovery has no squelch implementation yet" self._build_gui(vbox, usrp_rate, demod_rate, audio_rate) if options.gain is None: # if no gain was specified, use the mid-point in dB g = self.u.get_gain_range() options.gain = float(g.start() + g.stop()) / 2.0 if options.volume is None: g = self.volume_range() options.volume = float(g[0] + g[1]) / 2 frange = self.u.get_freq_range() if (frange.start() > self.fm_freq_max or frange.stop() < self.fm_freq_min): sys.stderr.write( "Radio does not support required frequency range.\n") sys.exit(1) if (options.freq < self.fm_freq_min or options.freq > self.fm_freq_max): sys.stderr.write( "Requested frequency is outside of required frequency range.\n" ) sys.exit(1) # set initial values self.set_gain(options.gain) self.set_vol(options.volume) try: self.guts.stereo_carrier_pll_recovery.set_lock_threshold( options.squelch) except: print "FYI: This implementation of the stereo_carrier_pll_recovery has no squelch implementation yet" if not (self.set_freq(options.freq)): self._set_status_msg("Failed to set initial frequency")
def __init__(self): gr.top_block.__init__(self) parser = ArgumentParser(description="Decode WFM signal into WAV file.") parser.add_argument("-V", "--volume", type=eng_float, help="Volume (dB) <%r, %r> (default is midpoint)" % \ self.volume_range()[:2]) parser.add_argument("input_file", help="Input file (complex samples)") parser.add_argument("output_file", help="Output WAV file") args = parser.parse_args() self.vol = 0 # build graph self.src = blocks.file_source(gr.sizeof_gr_complex, args.input_file, False) adc_rate = 64e6 # 64 MS/s usrp_decim = 200 usrp_rate = adc_rate / usrp_decim # 320 kS/s chanfilt_decim = 1 demod_rate = usrp_rate / chanfilt_decim audio_decimation = 10 audio_rate = demod_rate / audio_decimation # 32 kHz chan_filt_coeffs = filter.optfir.low_pass (1, # gain usrp_rate, # sampling rate 80e3, # passband cutoff 115e3, # stopband cutoff 0.1, # passband ripple 60) # stopband attenuation #print len(chan_filt_coeffs) chan_filt = filter.fir_filter_ccf (chanfilt_decim, chan_filt_coeffs) #self.guts = analog.wfm_rcv (demod_rate, audio_decimation) self.guts = analog.wfm_rcv_pll (demod_rate, audio_decimation) # FIXME rework {add,multiply}_const_* to handle multiple streams self.volume_control_l = blocks.multiply_const_ff(self.vol) self.volume_control_r = blocks.multiply_const_ff(self.vol) # wave file as final sink if 1: sink = blocks.wavfile_sink(args.output_file, 2, int(audio_rate), 16) else: sink = audio.sink (int (audio_rate), args.audio_output, False) # ok_to_block # now wire it all together self.connect (self.src, chan_filt, self.guts) self.connect ((self.guts, 0), self.volume_control_l, (sink, 0)) self.connect ((self.guts, 1), self.volume_control_r, (sink, 1)) if args.volume is None: g = self.volume_range() args.volume = float(g[0]+g[1]) / 2 # set initial values self.set_vol(args.volume)
def __init__(self): gr.top_block.__init__(self, "wbfm_receptor") Qt.QWidget.__init__(self) self.setWindowTitle("wbfm_receptor") 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", "wbfm_receptor") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Variables ################################################## self.samp_rate = samp_rate = 1000000 self.usrp_frequency = usrp_frequency = 98900000 self.rf_gain = rf_gain = 30 self.fine_frequency = fine_frequency = 0 self.filter_taps = filter_taps = firdes.low_pass( 1, samp_rate, 250000, 20000, firdes.WIN_HAMMING, 6.76) ################################################## # Blocks ################################################## self._usrp_frequency_range = Range(88000000, 108000000, 100000, 98900000, 200) self._usrp_frequency_win = RangeWidget(self._usrp_frequency_range, self.set_usrp_frequency, "Central Frequency", "counter_slider", float) self.top_layout.addWidget(self._usrp_frequency_win) self._rf_gain_range = Range(0, 50, 1, 30, 200) self._rf_gain_win = RangeWidget(self._rf_gain_range, self.set_rf_gain, "RF GAIN", "counter_slider", float) self.top_layout.addWidget(self._rf_gain_win) self.rational_resampler_xxx_1 = filter.rational_resampler_fff( interpolation=1, decimation=1, taps=None, fractional_bw=None, ) self.rational_resampler_xxx_0 = filter.rational_resampler_fff( interpolation=125, decimation=40, taps=None, fractional_bw=None, ) self.qtgui_freq_sink_x_0_0 = qtgui.freq_sink_f( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 98900000, #fc samp_rate, #bw "Espectro WBFM", #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_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "") self.qtgui_freq_sink_x_0_0.enable_autoscale(False) self.qtgui_freq_sink_x_0_0.enable_grid(False) self.qtgui_freq_sink_x_0_0.set_fft_average(1.0) self.qtgui_freq_sink_x_0_0.enable_control_panel(False) if not True: self.qtgui_freq_sink_x_0_0.disable_legend() if "float" == "float" or "float" == "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_layout.addWidget(self._qtgui_freq_sink_x_0_0_win) self.qtgui_freq_sink_x_0 = qtgui.freq_sink_f( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 98900000, #fc samp_rate, #bw "Espectro WBFM", #name 1 #number of inputs ) self.qtgui_freq_sink_x_0.set_update_time(0.10) self.qtgui_freq_sink_x_0.set_y_axis(-140, 10) self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "") self.qtgui_freq_sink_x_0.enable_autoscale(False) self.qtgui_freq_sink_x_0.enable_grid(False) self.qtgui_freq_sink_x_0.set_fft_average(1.0) self.qtgui_freq_sink_x_0.enable_control_panel(False) if not True: self.qtgui_freq_sink_x_0.disable_legend() if "float" == "float" or "float" == "msg_float": self.qtgui_freq_sink_x_0.set_plot_pos_half(not True) labels = ["", "", "", "", "", "", "", "", "", ""] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "dark blue" ] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.qtgui_freq_sink_x_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_freq_sink_x_0.set_line_label(i, labels[i]) self.qtgui_freq_sink_x_0.set_line_width(i, widths[i]) self.qtgui_freq_sink_x_0.set_line_color(i, colors[i]) self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_freq_sink_x_0_win = sip.wrapinstance( self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget) self.top_layout.addWidget(self._qtgui_freq_sink_x_0_win) self.osmosdr_source_0 = osmosdr.source(args="numchan=" + str(1) + " " + "") self.osmosdr_source_0.set_time_source("mimo", 0) self.osmosdr_source_0.set_sample_rate(samp_rate) self.osmosdr_source_0.set_center_freq(104.7e6, 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(30, 0) self.osmosdr_source_0.set_if_gain(20, 0) self.osmosdr_source_0.set_bb_gain(20, 0) self.osmosdr_source_0.set_antenna("", 0) self.osmosdr_source_0.set_bandwidth(0, 0) self.low_pass_filter_1_0 = filter.fir_filter_fff( 1, firdes.low_pass(1, 125e3, 15e3, 1000, firdes.WIN_HAMMING, 6.76)) self.low_pass_filter_1 = filter.interp_fir_filter_fff( 1, firdes.low_pass(1, 125e3, 15e3, 1000, firdes.WIN_HAMMING, 6.76)) self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc( 4, (filter_taps), 0, samp_rate) self._fine_frequency_range = Range(-250000, 250000, 500, 0, 200) self._fine_frequency_win = RangeWidget(self._fine_frequency_range, self.set_fine_frequency, "Fine Frequency", "counter_slider", float) self.top_layout.addWidget(self._fine_frequency_win) self.blocks_throttle_1 = blocks.throttle(gr.sizeof_float * 1, samp_rate, True) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_float * 1, samp_rate, True) self.blocks_multiply_const_vxx_1 = blocks.multiply_const_vff((0, )) self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((4, )) self.audio_sink_0 = audio.sink(samp_rate, "", True) self.analog_wfm_rcv_pll_0 = analog.wfm_rcv_pll( demod_rate=500e3, audio_decimation=4, ) ################################################## # Connections ################################################## self.connect((self.analog_wfm_rcv_pll_0, 1), (self.low_pass_filter_1, 0)) self.connect((self.analog_wfm_rcv_pll_0, 0), (self.low_pass_filter_1_0, 0)) self.connect((self.blocks_multiply_const_vxx_0, 0), (self.audio_sink_0, 0)) self.connect((self.blocks_multiply_const_vxx_1, 0), (self.audio_sink_0, 1)) self.connect((self.blocks_throttle_0, 0), (self.qtgui_freq_sink_x_0, 0)) self.connect((self.blocks_throttle_1, 0), (self.qtgui_freq_sink_x_0_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.analog_wfm_rcv_pll_0, 0)) self.connect((self.low_pass_filter_1, 0), (self.blocks_throttle_0, 0)) self.connect((self.low_pass_filter_1, 0), (self.rational_resampler_xxx_0, 0)) self.connect((self.low_pass_filter_1_0, 0), (self.blocks_throttle_1, 0)) self.connect((self.low_pass_filter_1_0, 0), (self.rational_resampler_xxx_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.blocks_multiply_const_vxx_1, 0)) self.connect((self.rational_resampler_xxx_1, 0), (self.blocks_multiply_const_vxx_0, 0))