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))
