def __init__(self, uhd_address, options):
gr.top_block.__init__(self)
self.uhd_addr = uhd_address
self.freq = options.freq
self.samp_rate = options.samp_rate
self.gain = options.gain
self.threshold = options.threshold
self.trigger = options.trigger
self.uhd_src = uhd.single_usrp_source(
device_addr=self.uhd_addr,
stream_args=uhd.stream_args('fc32'))
self.uhd_src.set_samp_rate(self.samp_rate)
self.uhd_src.set_center_freq(self.freq, 0)
self.uhd_src.set_gain(self.gain, 0)
taps = firdes.low_pass_2(1, 1, 0.4, 0.1, 60)
self.chanfilt = filter.fir_filter_ccc(10, taps)
self.tagger = blocks.burst_tagger(gr.sizeof_gr_complex)
# Dummy signaler to collect a burst on known periods
data = 1000*[0,] + 1000*[1,]
self.signal = blocks.vector_source_s(data, True)
# Energy detector to get signal burst
## use squelch to detect energy
self.det = analog.simple_squelch_cc(self.threshold, 0.01)
## convert to mag squared (float)
self.c2m = blocks.complex_to_mag_squared()
## average to debounce
self.avg = filter.single_pole_iir_filter_ff(0.01)
## rescale signal for conversion to short
self.scale = blocks.multiply_const_ff(2**16)
## signal input uses shorts
self.f2s = blocks.float_to_short()
# Use file sink burst tagger to capture bursts
self.fsnk = blocks.tagged_file_sink(gr.sizeof_gr_complex, self.samp_rate)
##################################################
# Connections
##################################################
self.connect((self.uhd_src, 0), (self.tagger, 0))
self.connect((self.tagger, 0), (self.fsnk, 0))
if self.trigger:
# Connect a dummy signaler to the burst tagger
self.connect((self.signal, 0), (self.tagger, 1))
else:
# Connect an energy detector signaler to the burst tagger
self.connect(self.uhd_src, self.det)
self.connect(self.det, self.c2m, self.avg, self.scale, self.f2s)
self.connect(self.f2s, (self.tagger, 1))
def __init__(self, uhd_address, options):
gr.top_block.__init__(self)
self.uhd_addr = uhd_address
self.freq = options.freq
self.samp_rate = options.samp_rate
self.gain = options.gain
self.threshold = options.threshold
self.trigger = options.trigger
self.uhd_src = uhd.single_usrp_source(
device_addr=self.uhd_addr,
stream_args=uhd.stream_args('fc32'))
self.uhd_src.set_samp_rate(self.samp_rate)
self.uhd_src.set_center_freq(self.freq, 0)
self.uhd_src.set_gain(self.gain, 0)
taps = firdes.low_pass_2(1, 1, 0.4, 0.1, 60)
self.chanfilt = filter.fir_filter_ccc(10, taps)
self.tagger = blocks.burst_tagger(gr.sizeof_gr_complex)
# Dummy signaler to collect a burst on known periods
data = 1000 * [0, ] + 1000 * [1, ]
self.signal = blocks.vector_source_s(data, True)
# Energy detector to get signal burst
# use squelch to detect energy
self.det = analog.simple_squelch_cc(self.threshold, 0.01)
# convert to mag squared (float)
self.c2m = blocks.complex_to_mag_squared()
# average to debounce
self.avg = filter.single_pole_iir_filter_ff(0.01)
# rescale signal for conversion to short
self.scale = blocks.multiply_const_ff(2**16)
# signal input uses shorts
self.f2s = blocks.float_to_short()
# Use file sink burst tagger to capture bursts
self.fsnk = blocks.tagged_file_sink(
gr.sizeof_gr_complex, self.samp_rate)
##################################################
# Connections
##################################################
self.connect((self.uhd_src, 0), (self.tagger, 0))
self.connect((self.tagger, 0), (self.fsnk, 0))
if self.trigger:
# Connect a dummy signaler to the burst tagger
self.connect((self.signal, 0), (self.tagger, 1))
else:
# Connect an energy detector signaler to the burst tagger
self.connect(self.uhd_src, self.det)
self.connect(self.det, self.c2m, self.avg, self.scale, self.f2s)
self.connect(self.f2s, (self.tagger, 1))
def __init__(self):
gr.top_block.__init__(self, "Top Block")
##################################################
# Variables
##################################################
self.channel_spacing = channel_spacing = 500000
self.width = width = 40000
self.tuner = tuner = 868.95e6
self.squelch = squelch = -25
self.samp_rate = samp_rate = 1.024e6
self.freq_offset = freq_offset = (channel_spacing /
2) + (channel_spacing * .1)
self.demodgain = demodgain = 4
self.cutoff = cutoff = 200000
##################################################
# Blocks
##################################################
self.osmosdr_source_0_1 = osmosdr.source(args="numchan=" + str(1) +
" " + '')
self.osmosdr_source_0_1.set_time_unknown_pps(osmosdr.time_spec_t())
self.osmosdr_source_0_1.set_sample_rate(samp_rate)
self.osmosdr_source_0_1.set_center_freq(tuner + freq_offset, 0)
self.osmosdr_source_0_1.set_freq_corr(21, 0)
self.osmosdr_source_0_1.set_gain_mode(False, 0)
self.osmosdr_source_0_1.set_gain(10, 0)
self.osmosdr_source_0_1.set_if_gain(24, 0)
self.osmosdr_source_0_1.set_bb_gain(20, 0)
self.osmosdr_source_0_1.set_antenna('', 0)
self.osmosdr_source_0_1.set_bandwidth(0, 0)
self.freq_xlating_fir_filter_xxx_0_1 = filter.freq_xlating_fir_filter_ccc(
1,
firdes.low_pass(1, samp_rate, cutoff, width, firdes.WIN_BLACKMAN,
6.76), -freq_offset, samp_rate)
self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
self.blocks_file_sink_0 = blocks.file_sink(
gr.sizeof_char * 1,
'capture_' + datetime.today().strftime('%Y%m%d%H%M%S'), False)
self.blocks_file_sink_0.set_unbuffered(False)
self.analog_simple_squelch_cc_0 = analog.simple_squelch_cc(squelch, 1)
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(
demodgain)
##################################################
# Connections
##################################################
self.connect((self.analog_quadrature_demod_cf_0, 0),
(self.digital_binary_slicer_fb_0, 0))
self.connect((self.analog_simple_squelch_cc_0, 0),
(self.analog_quadrature_demod_cf_0, 0))
self.connect((self.digital_binary_slicer_fb_0, 0),
(self.blocks_file_sink_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0_1, 0),
(self.analog_simple_squelch_cc_0, 0))
self.connect((self.osmosdr_source_0_1, 0),
(self.freq_xlating_fir_filter_xxx_0_1, 0))
def __init__(self):
gr.top_block.__init__(self, "Top Block")
##################################################
# Variables
##################################################
self.channel_spacing = channel_spacing = 200000
self.width = width = 20000
self.tuner = tuner = 434e6
self.squelch = squelch = -25
self.samp_rate = samp_rate = 1.024e6
self.freq_offset = freq_offset = (channel_spacing /
2) + (channel_spacing * .1)
self.demodgain = demodgain = 4
self.cutoff = cutoff = 134000
##################################################
# Blocks
##################################################
self.osmosdr_source_c_0_1 = osmosdr.source()
self.osmosdr_source_c_0_1.set_sample_rate(samp_rate)
self.osmosdr_source_c_0_1.set_center_freq(tuner + freq_offset, 0)
self.osmosdr_source_c_0_1.set_freq_corr(21, 0)
self.osmosdr_source_c_0_1.set_iq_balance_mode(0, 0)
self.osmosdr_source_c_0_1.set_gain_mode(0, 0)
self.osmosdr_source_c_0_1.set_gain(10, 0)
self.osmosdr_source_c_0_1.set_if_gain(24, 0)
self.osmosdr_source_c_0_1.set_bb_gain(20, 0)
self.osmosdr_source_c_0_1.set_antenna("", 0)
self.osmosdr_source_c_0_1.set_bandwidth(0, 0)
self.freq_xlating_fir_filter_xxx_0_1 = filter.freq_xlating_fir_filter_ccc(
1, (firdes.low_pass(1, samp_rate, cutoff, width,
firdes.WIN_BLACKMAN, 6.76)), -freq_offset,
samp_rate)
self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_char * 1,
"capture", False)
self.blocks_file_sink_0.set_unbuffered(False)
self.analog_simple_squelch_cc_0 = analog.simple_squelch_cc(squelch, 1)
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(
demodgain)
##################################################
# Connections
##################################################
self.connect((self.freq_xlating_fir_filter_xxx_0_1, 0),
(self.analog_simple_squelch_cc_0, 0))
self.connect((self.osmosdr_source_c_0_1, 0),
(self.freq_xlating_fir_filter_xxx_0_1, 0))
self.connect((self.analog_simple_squelch_cc_0, 0),
(self.analog_quadrature_demod_cf_0, 0))
self.connect((self.digital_binary_slicer_fb_0, 0),
(self.blocks_file_sink_0, 0))
self.connect((self.analog_quadrature_demod_cf_0, 0),
(self.digital_binary_slicer_fb_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Top Block")
Qt.QWidget.__init__(self)
self.setWindowTitle("Top Block")
qtgui.util.check_set_qss()
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "top_block")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 32000
##################################################
# Blocks
##################################################
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(4e6)
self.uhd_usrp_source_0.set_center_freq(2426e6, 0)
self.uhd_usrp_source_0.set_gain(60, 0)
self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_gr_complex*1, '/Users/mmohamoud/sdr/ble_dump/squelech_out_file', False)
self.blocks_file_sink_0.set_unbuffered(False)
self.analog_simple_squelch = analog.simple_squelch_cc(70, 0.1)
##################################################
# Connections
##################################################
self.connect((self.analog_simple_squelch, 0), (self.blocks_file_sink_0, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.analog_simple_squelch, 0))
def __init__(self, squelch_rate, squelch_threshold=-100):
alpha = 80.0 / squelch_rate
self.__squelch = analog.simple_squelch_cc(squelch_threshold, alpha)
self.__probe = analog.probe_avg_mag_sqrd_c(0, alpha=alpha)
self.squelch_block = gr.hier_block2(
defaultstr('SquelchMixin bundle'),
gr.io_signature(1, 1, gr.sizeof_gr_complex),
gr.io_signature(1, 1, gr.sizeof_gr_complex))
self.squelch_block.connect(self.squelch_block, self.__squelch,
self.squelch_block)
self.squelch_block.connect(self.squelch_block, self.__probe)
def test_simple_squelch_001(self):
# Test set/gets
alpha = 0.0001
thr1 = 10
thr2 = 20
op = analog.simple_squelch_cc(thr1, alpha)
op.set_threshold(thr2)
t = op.threshold()
self.assertEqual(thr2, t)
def test_simple_squelch_001(self):
# Test set/gets
alpha = 0.0001
thr1 = 10
thr2 = 20
op = analog.simple_squelch_cc(thr1, alpha)
op.set_threshold(thr2)
t = op.threshold()
self.assertEqual(thr2, t)
def __init__(self, dest, debug, input_rate, deviation, squelch, gain,
msgq_id, msg_q):
gr.hier_block2.__init__(
self,
"op25_nbfm_c",
gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature
gr.io_signature(0, 0, 0)) # Output signature
self.debug = debug
self.msgq_id = msgq_id
# 'switch' enables the analog decoding to be turned on/off
self.switch = blocks.copy(gr.sizeof_gr_complex)
self.switch.set_enabled(False)
# power squelch
self.squelch = analog.simple_squelch_cc(squelch, gain)
# quadrature demod
fm_demod_gain = input_rate / (4 * pi * deviation)
self.fm_demod = analog.quadrature_demod_cf(fm_demod_gain)
# fm deemphasis
self.deemph = analog.fm_deemph(input_rate, 0.00075)
# decimate and filter
audio_decim = input_rate // _PCM_RATE
lpf_taps = filter.firdes.low_pass(
1.0, # gain
input_rate, # sampling rate
3000.0, # Audio high cutoff (remove aliasing)
200.0, # transition
filter.firdes.WIN_HAMMING) # filter type
hpf_taps = filter.firdes.high_pass(
1.0, # gain
_PCM_RATE, # sampling rate
200.0, # Audio low cutoff (remove sub-audio signaling)
10.0, # Sharp transition band
filter.firdes.WIN_HAMMING) # filter type
self.lp_filter = filter.fir_filter_fff(audio_decim, lpf_taps)
self.hp_filter = filter.fir_filter_fff(1, hpf_taps)
# analog_udp block converts +/-1.0 float samples to S16LE PCM and sends over UDP
self.analog_udp = op25_repeater.analog_udp(dest, debug, msgq_id, msg_q)
self.connect(self, self.switch, self.squelch, self.fm_demod,
self.deemph, self.lp_filter, self.hp_filter,
self.analog_udp)
sys.stderr.write("%s [%d] Enabling nbfm analog audio\n" %
(log_ts.get(), msgq_id))
def __init__(self, rx_callback, tx_status, rx_status):
gr.hier_block2.__init__(self, "receive_path",
gr.io_signature(1, 1, gr.sizeof_gr_complex),
gr.io_signature(0, 0, 0))
##################################################
# Variables
##################################################
self.callback = rx_callback
##################################################
# Blocks
##################################################
self.demod = digital.gfsk_demod(
samples_per_symbol=4,
sensitivity=1.0,
gain_mu=0.175,
mu=0.5,
omega_relative_limit=0.005,
freq_error=0.0,
verbose=False,
log=False,
)
self.frame_sync = frame_sync(tx_status, rx_status) # Your custom block!!!
self.output_unpacked_to_packed = blocks.unpacked_to_packed_bb(1, gr.GR_MSB_FIRST)
self.rcvd_pktq = gr.msg_queue()
self.message_sink = blocks.message_sink(gr.sizeof_char, self.rcvd_pktq, True)
self.queue_watcher_thread = _queue_watcher_thread(self.rcvd_pktq, self.callback)
self.blocks_max = blocks.max_ff(1,1)
#Don't Search if nothing is transmitting
self.blocks_threshold_ff_0 = blocks.threshold_ff(0.00002, 0.00002, 0)
self.blocks_complex_to_mag_squared_0 = blocks.complex_to_mag_squared(1)
self.analog_simple_squelch_cc_0 = analog.simple_squelch_cc(-80, 0.55)
##################################################
# Connections
##################################################
#main path
self.connect(self, self.demod, (self.frame_sync, 0))
self.connect(self.frame_sync, self.output_unpacked_to_packed, self.message_sink)
#squelch path
self.connect(self, (self.analog_simple_squelch_cc_0, 0), (self.blocks_complex_to_mag_squared_0, 0))
self.connect((self.blocks_complex_to_mag_squared_0, 0), (self.blocks_max, 0), (self.blocks_threshold_ff_0, 0))
self.connect((self.blocks_threshold_ff_0, 0), (self.frame_sync, 1))
def __init__(self, squelch_rate, squelch_threshold=-100):
alpha = 80.0 / squelch_rate
self.__squelch = analog.simple_squelch_cc(squelch_threshold, alpha)
self.__probe = analog.probe_avg_mag_sqrd_c(0, alpha=alpha)
self.squelch_block = gr.hier_block2(
defaultstr('SquelchMixin bundle'),
gr.io_signature(1, 1, gr.sizeof_gr_complex),
gr.io_signature(1, 1, gr.sizeof_gr_complex))
self.squelch_block.connect(
self.squelch_block,
self.__squelch,
self.squelch_block)
self.squelch_block.connect(
self.squelch_block,
self.__probe)
def __init__(self, system, top_block, block_id):
gr.hier_block2.__init__(
self,
"scanning_receiver",
gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature
gr.io_signature(0, 0, 0)) # Output signature
##################################################
# Variables
##################################################
self.hang_time = 0.5
self.channel_rate = 12500
self.tb = top_block
self.block_id = block_id
self.system = system
print self.system
self.system_id = system['id']
self.channels = system['channels']
##################################################
# Threads
##################################################
receive_engine = threading.Thread(target=self.receive_engine)
receive_engine.daemon = True
receive_engine.start()
##################################################
# Blocks
##################################################
self.source = self
#self.complex_to_mag_squared = blocks.complex_to_mag_squared(1)
#self.probe = blocks.probe_signal_f()
self.squelch = analog.simple_squelch_cc(self.system['threshold'], 0.1)
self.sink = blocks.null_sink(gr.sizeof_gr_complex * 1)
##################################################
# Connections
##################################################
#self.connect(self, self.complex_to_mag_squared, self.probe)
self.connect(self, self.squelch, self.sink)
def __init__(self):
gr.top_block.__init__(self, "Top Block")
##################################################
# Variables
##################################################
self.channel_spacing = channel_spacing = 500000
self.width = width = 40000
self.tuner = tuner = 868.95e6
self.squelch = squelch = -25
self.samp_rate = samp_rate = 1.024e6
self.freq_offset = freq_offset = (channel_spacing / 2) + (channel_spacing * .1)
self.demodgain = demodgain = 24
self.cutoff = cutoff = 200000
##################################################
# Blocks
##################################################
self.osmosdr_source_c_0_1 = osmosdr.source()
self.osmosdr_source_c_0_1.set_sample_rate(samp_rate)
self.osmosdr_source_c_0_1.set_center_freq(tuner+freq_offset, 0)
self.osmosdr_source_c_0_1.set_freq_corr(21, 0)
self.osmosdr_source_c_0_1.set_iq_balance_mode(0, 0)
self.osmosdr_source_c_0_1.set_gain_mode(0, 0)
self.osmosdr_source_c_0_1.set_gain(10, 0)
self.osmosdr_source_c_0_1.set_if_gain(24, 0)
self.osmosdr_source_c_0_1.set_bb_gain(20, 0)
self.osmosdr_source_c_0_1.set_antenna("", 0)
self.osmosdr_source_c_0_1.set_bandwidth(0, 0)
self.freq_xlating_fir_filter_xxx_0_1 = filter.freq_xlating_fir_filter_ccc(1, (firdes.low_pass(1, samp_rate,cutoff, width, firdes.WIN_BLACKMAN, 6.76)), -freq_offset, samp_rate)
self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_char*1, "capture", False)
self.blocks_file_sink_0.set_unbuffered(False)
self.analog_simple_squelch_cc_0 = analog.simple_squelch_cc(squelch, 1)
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(demodgain)
##################################################
# Connections
##################################################
self.connect((self.freq_xlating_fir_filter_xxx_0_1, 0), (self.analog_simple_squelch_cc_0, 0))
self.connect((self.osmosdr_source_c_0_1, 0), (self.freq_xlating_fir_filter_xxx_0_1, 0))
self.connect((self.analog_simple_squelch_cc_0, 0), (self.analog_quadrature_demod_cf_0, 0))
self.connect((self.digital_binary_slicer_fb_0, 0), (self.blocks_file_sink_0, 0))
self.connect((self.analog_quadrature_demod_cf_0, 0), (self.digital_binary_slicer_fb_0, 0))
def test_simple_squelch_002(self):
alpha = 0.0001
thr = -25
src_data = map(lambda x: float(x)/10.0, range(1, 40))
src = blocks.vector_source_c(src_data)
op = analog.simple_squelch_cc(thr, alpha)
dst = blocks.vector_sink_c()
self.tb.connect(src, op)
self.tb.connect(op, dst)
self.tb.run()
expected_result = src_data
expected_result[0:20] = 20*[0,]
result_data = dst.data()
self.assertComplexTuplesAlmostEqual(expected_result, result_data, 4)
def test_simple_squelch_002(self):
alpha = 0.0001
thr = -25
src_data = [float(x) / 10.0 for x in range(1, 40)]
src = blocks.vector_source_c(src_data)
op = analog.simple_squelch_cc(thr, alpha)
dst = blocks.vector_sink_c()
self.tb.connect(src, op)
self.tb.connect(op, dst)
self.tb.run()
expected_result = src_data
expected_result[0:20] = 20*[0,]
result_data = dst.data()
self.assertComplexTuplesAlmostEqual(expected_result, result_data, 4)
def __init__(self):
gr.top_block.__init__(self, "Top Block")
self.receive = osmosdr.source(args="numchan" + str(1) + "" + "")
self.receive.set_sample_rate(1e6)
self.receive.set_center_freq(90e6)
self.receive.set_freq_corr(0, 0)
self.receive.set_gain_mode(False, 0)
self.receive.set_gain(10, 0)
self.receive.set_if_gain(20, 0)
self.receive.set_bb_gain(20, 0)
self.receive.set_antenna("", 0)
self.receive.set_bandwidth(0, 0)
self.detect = analog.simple_squelch_cc(-24.5, 100e-6)
self.comptomag = blocks.complex_to_mag(1)
self.probe = blocks.probe_signal_f()
#connection
self.connect((self.receive, 0), (self.detect, 0))
self.connect((self.detect, 0), (self.comptomag, 0))
self.connect((self.comptomag, 0), (self.probe, 0))
def __init__(self):
gr.top_block.__init__(self, "Ssb Trx")
##################################################
# Variables
##################################################
self.BaseFreq = BaseFreq = 1296250000
self.USB = USB = True
self.TxOffset = TxOffset = 0
self.TxLO = TxLO = BaseFreq-10000
self.SQL = SQL = 20
self.RxOffset = RxOffset = 0
self.PTT = PTT = False
self.NCW = NCW = False
self.MicGain = MicGain = 5.0
self.MON = MON = False
self.KEY = KEY = False
self.FMMIC = FMMIC = 50
self.FM = FM = True
self.CW = CW = False
self.AFGain = AFGain = 20
##################################################
# Blocks
##################################################
self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=12,
decimation=1,
taps=None,
fractional_bw=None,
)
self.pluto_source_0 = iio.pluto_source('ip:192.168.2.1', BaseFreq, 529200, 2000000, 0x800, True, True, True, "slow_attack", 64.0, '', True)
self.pluto_sink_0 = iio.pluto_sink('ip:192.168.2.1', TxLO, 529200, 2000000, 0x800, False, 0, '', True)
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(12, (firdes.low_pass(1,529200,12000,6000)), RxOffset, 529200)
self.blocks_mute_xx_0_0 = blocks.mute_cc(bool(not PTT))
self.blocks_mute_xx_0 = blocks.mute_ff(bool(PTT and (not MON)))
self.blocks_multiply_xx_2 = blocks.multiply_vcc(1)
self.blocks_multiply_xx_1 = blocks.multiply_vcc(1)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_multiply_const_vxx_4 = blocks.multiply_const_vcc((not FM, ))
self.blocks_multiply_const_vxx_3 = blocks.multiply_const_vcc((FM, ))
self.blocks_multiply_const_vxx_2_0 = blocks.multiply_const_vff((int(FM) *0.1, ))
self.blocks_multiply_const_vxx_2 = blocks.multiply_const_vff((not FM, ))
self.blocks_multiply_const_vxx_1 = blocks.multiply_const_vff((AFGain/10.0, ))
self.blocks_multiply_const_vxx_0_0 = blocks.multiply_const_vff((FMMIC/10.0, ))
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff(((MicGain/10.0)*(not CW), ))
self.blocks_float_to_complex_0 = blocks.float_to_complex(1)
self.blocks_complex_to_real_0 = blocks.complex_to_real(1)
self.blocks_add_xx_2 = blocks.add_vcc(1)
self.blocks_add_xx_1 = blocks.add_vff(1)
self.blocks_add_xx_0 = blocks.add_vff(1)
self.band_pass_filter_1 = filter.fir_filter_fff(1, firdes.band_pass(
1, 44100, 200, 3000, 100, firdes.WIN_HAMMING, 6.76))
self.band_pass_filter_0_0 = filter.fir_filter_ccf(1, firdes.band_pass(
1, 44100, -3000+USB*3300+10000, -300+USB*3300+10000, 100, firdes.WIN_HAMMING, 6.76))
self.band_pass_filter_0 = filter.fir_filter_ccc(1, firdes.complex_band_pass(
1, 44100, -3000+USB*3300+NCW*CW*250, -300+USB*3300-NCW*CW*1950, 100, firdes.WIN_HAMMING, 6.76))
self.audio_source_0 = audio.source(44100, "hw:CARD=Device,DEV=0", True)
self.audio_sink_0 = audio.sink(44100, "hw:CARD=Device,DEV=0", True)
self.analog_simple_squelch_cc_0 = analog.simple_squelch_cc(-60+SQL, 1)
self.analog_sig_source_x_1_0 = analog.sig_source_f(44100, analog.GR_COS_WAVE, 800, int(CW and KEY), 0)
self.analog_sig_source_x_1 = analog.sig_source_c(529200, analog.GR_COS_WAVE, TxOffset, 1, 0)
self.analog_sig_source_x_0 = analog.sig_source_c(44100, analog.GR_COS_WAVE, 10000, 1, 0)
self.analog_nbfm_tx_0 = analog.nbfm_tx(
audio_rate=44100,
quad_rate=44100,
tau=75e-6,
max_dev=5e3,
fh=-1,
)
self.analog_nbfm_rx_0 = analog.nbfm_rx(
audio_rate=44100,
quad_rate=44100,
tau=75e-6,
max_dev=5e3,
)
self.analog_const_source_x_0 = analog.sig_source_f(0, analog.GR_CONST_WAVE, 0, 0, 0)
##################################################
# Connections
##################################################
self.connect((self.analog_const_source_x_0, 0), (self.blocks_float_to_complex_0, 1))
self.connect((self.analog_nbfm_rx_0, 0), (self.blocks_multiply_const_vxx_2_0, 0))
self.connect((self.analog_nbfm_tx_0, 0), (self.blocks_multiply_xx_2, 0))
self.connect((self.analog_sig_source_x_0, 0), (self.blocks_multiply_xx_0, 1))
self.connect((self.analog_sig_source_x_0, 0), (self.blocks_multiply_xx_2, 1))
self.connect((self.analog_sig_source_x_1, 0), (self.blocks_multiply_xx_1, 1))
self.connect((self.analog_sig_source_x_1_0, 0), (self.blocks_add_xx_0, 1))
self.connect((self.analog_simple_squelch_cc_0, 0), (self.analog_nbfm_rx_0, 0))
self.connect((self.audio_source_0, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self.audio_source_0, 0), (self.blocks_multiply_const_vxx_0_0, 0))
self.connect((self.band_pass_filter_0, 0), (self.blocks_complex_to_real_0, 0))
self.connect((self.band_pass_filter_0_0, 0), (self.blocks_multiply_const_vxx_4, 0))
self.connect((self.band_pass_filter_1, 0), (self.analog_nbfm_tx_0, 0))
self.connect((self.blocks_add_xx_0, 0), (self.blocks_float_to_complex_0, 0))
self.connect((self.blocks_add_xx_1, 0), (self.blocks_mute_xx_0, 0))
self.connect((self.blocks_add_xx_2, 0), (self.rational_resampler_xxx_0, 0))
self.connect((self.blocks_complex_to_real_0, 0), (self.blocks_multiply_const_vxx_2, 0))
self.connect((self.blocks_float_to_complex_0, 0), (self.blocks_multiply_xx_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.blocks_add_xx_0, 0))
self.connect((self.blocks_multiply_const_vxx_0_0, 0), (self.band_pass_filter_1, 0))
self.connect((self.blocks_multiply_const_vxx_1, 0), (self.audio_sink_0, 0))
self.connect((self.blocks_multiply_const_vxx_2, 0), (self.blocks_add_xx_1, 0))
self.connect((self.blocks_multiply_const_vxx_2_0, 0), (self.blocks_add_xx_1, 1))
self.connect((self.blocks_multiply_const_vxx_3, 0), (self.blocks_add_xx_2, 0))
self.connect((self.blocks_multiply_const_vxx_4, 0), (self.blocks_add_xx_2, 1))
self.connect((self.blocks_multiply_xx_0, 0), (self.band_pass_filter_0_0, 0))
self.connect((self.blocks_multiply_xx_1, 0), (self.blocks_mute_xx_0_0, 0))
self.connect((self.blocks_multiply_xx_2, 0), (self.blocks_multiply_const_vxx_3, 0))
self.connect((self.blocks_mute_xx_0, 0), (self.blocks_multiply_const_vxx_1, 0))
self.connect((self.blocks_mute_xx_0_0, 0), (self.pluto_sink_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.analog_simple_squelch_cc_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.band_pass_filter_0, 0))
self.connect((self.pluto_source_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.blocks_multiply_xx_1, 0))
def __init__(self):
gr.top_block.__init__(self, "RTTY_receive", catch_exceptions=True)
Qt.QWidget.__init__(self)
self.setWindowTitle("RTTY_receive")
qtgui.util.check_set_qss()
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "RTTY_receive")
try:
if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"):
self.restoreGeometry(
self.settings.value("geometry").toByteArray())
else:
self.restoreGeometry(self.settings.value("geometry"))
except:
pass
##################################################
# Variables
##################################################
self.sq_lvl = sq_lvl = -70
self.samp_rate = samp_rate = 48000
self.reverse = reverse = 1
self.fsk_deviation = fsk_deviation = 170
self.decim = decim = 50
self.center = center = 2210
self.baud = baud = 1 / 0.022
##################################################
# Blocks
##################################################
self._sq_lvl_range = Range(-100, 0, 5, -70, 200)
self._sq_lvl_win = RangeWidget(self._sq_lvl_range, self.set_sq_lvl,
'Squelch', "counter_slider", float,
QtCore.Qt.Horizontal)
self.top_grid_layout.addWidget(self._sq_lvl_win)
# Create the options list
self._reverse_options = (
1,
-1,
)
# Create the labels list
self._reverse_labels = (
'Normal',
'Reverse',
)
# Create the combo box
# Create the radio buttons
self._reverse_group_box = Qt.QGroupBox('reverse' + ": ")
self._reverse_box = Qt.QVBoxLayout()
class variable_chooser_button_group(Qt.QButtonGroup):
def __init__(self, parent=None):
Qt.QButtonGroup.__init__(self, parent)
@pyqtSlot(int)
def updateButtonChecked(self, button_id):
self.button(button_id).setChecked(True)
self._reverse_button_group = variable_chooser_button_group()
self._reverse_group_box.setLayout(self._reverse_box)
for i, _label in enumerate(self._reverse_labels):
radio_button = Qt.QRadioButton(_label)
self._reverse_box.addWidget(radio_button)
self._reverse_button_group.addButton(radio_button, i)
self._reverse_callback = lambda i: Qt.QMetaObject.invokeMethod(
self._reverse_button_group, "updateButtonChecked",
Qt.Q_ARG("int", self._reverse_options.index(i)))
self._reverse_callback(self.reverse)
self._reverse_button_group.buttonClicked[int].connect(
lambda i: self.set_reverse(self._reverse_options[i]))
self.top_grid_layout.addWidget(self._reverse_group_box)
self.zeromq_push_msg_sink_0 = zeromq.push_msg_sink(
'tcp://127.0.0.1:50252', 100, True)
self.rational_resampler_xxx_0_0 = filter.rational_resampler_fff(
interpolation=500, decimation=960, taps=None, fractional_bw=None)
self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
128, #size
960, #samp_rate
"", #name
1, #number of inputs
None # parent
)
self.qtgui_time_sink_x_0.set_update_time(0.10)
self.qtgui_time_sink_x_0.set_y_axis(0, 1)
self.qtgui_time_sink_x_0.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_0.enable_tags(True)
self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_NORM,
qtgui.TRIG_SLOPE_NEG, 0.5, 0,
0, "")
self.qtgui_time_sink_x_0.enable_autoscale(False)
self.qtgui_time_sink_x_0.enable_grid(False)
self.qtgui_time_sink_x_0.enable_axis_labels(True)
self.qtgui_time_sink_x_0.enable_control_panel(False)
self.qtgui_time_sink_x_0.enable_stem_plot(False)
labels = [
'Signal 1', 'Signal 2', 'Signal 3', 'Signal 4', 'Signal 5',
'Signal 6', 'Signal 7', 'Signal 8', 'Signal 9', 'Signal 10'
]
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
'blue', 'red', 'green', 'black', 'cyan', 'magenta', 'yellow',
'dark red', 'dark green', 'dark blue'
]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1]
for i in range(1):
if len(labels[i]) == 0:
self.qtgui_time_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_win = sip.wrapinstance(
self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_win)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
center, #fc
1024, #bw
"", #name
1,
None # parent
)
self.qtgui_freq_sink_x_0.set_update_time(0.05)
self.qtgui_freq_sink_x_0.set_y_axis(-140, 10)
self.qtgui_freq_sink_x_0.set_y_label('Relative Gain', 'dB')
self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0,
"")
self.qtgui_freq_sink_x_0.enable_autoscale(False)
self.qtgui_freq_sink_x_0.enable_grid(False)
self.qtgui_freq_sink_x_0.set_fft_average(1.0)
self.qtgui_freq_sink_x_0.enable_axis_labels(True)
self.qtgui_freq_sink_x_0.enable_control_panel(False)
self.qtgui_freq_sink_x_0.set_fft_window_normalized(False)
labels = ['', '', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "dark blue"
]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in range(1):
if len(labels[i]) == 0:
self.qtgui_freq_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_0.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_0.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_0.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_0_win = sip.wrapinstance(
self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win)
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_fcf(
50, firdes.low_pass(1.0, samp_rate, 1000, 400), center, samp_rate)
self.epy_block_0 = epy_block_0.my_sync_block()
self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_ff(reverse)
self.audio_source_0 = audio.source(samp_rate, '', True)
self.analog_simple_squelch_cc_0 = analog.simple_squelch_cc(sq_lvl, 1)
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(1.0)
##################################################
# Connections
##################################################
self.msg_connect((self.epy_block_0, 'msg_out'),
(self.zeromq_push_msg_sink_0, 'in'))
self.connect((self.analog_quadrature_demod_cf_0, 0),
(self.qtgui_time_sink_x_0, 0))
self.connect((self.analog_quadrature_demod_cf_0, 0),
(self.rational_resampler_xxx_0_0, 0))
self.connect((self.analog_simple_squelch_cc_0, 0),
(self.analog_quadrature_demod_cf_0, 0))
self.connect((self.audio_source_0, 0),
(self.freq_xlating_fir_filter_xxx_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.digital_binary_slicer_fb_0, 0))
self.connect((self.digital_binary_slicer_fb_0, 0),
(self.epy_block_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0),
(self.analog_simple_squelch_cc_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0),
(self.qtgui_freq_sink_x_0, 0))
self.connect((self.rational_resampler_xxx_0_0, 0),
(self.blocks_multiply_const_vxx_0, 0))
def __init__(self):
gr.top_block.__init__(self, "OPS-SAT UHF RX")
Qt.QWidget.__init__(self)
self.setWindowTitle("OPS-SAT UHF RX")
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", "os_uhf_rx")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.signal_freq = signal_freq = 437.2e6
self.true_freq = true_freq = signal_freq
self.samp_rate = samp_rate = 200e3
self.offset_freq = offset_freq = -40e3
self.doppler_freq = doppler_freq = true_freq - signal_freq
self.variable_low_pass_filter_taps_0 = variable_low_pass_filter_taps_0 = firdes.low_pass(
1.0, samp_rate, 25000, 1000, firdes.WIN_HAMMING, 6.76)
self.samp_rate_down = samp_rate_down = 57.6e3
self.freq_tuned = freq_tuned = offset_freq - doppler_freq
self.Squelch = Squelch = -130
##################################################
# Blocks
##################################################
self._Squelch_range = Range(-180, -50, 1, -130, 200)
self._Squelch_win = RangeWidget(self._Squelch_range, self.set_Squelch,
"Squelch", "counter_slider", float)
self.top_grid_layout.addWidget(self._Squelch_win)
self.zeromq_pub_sink_0 = zeromq.pub_sink(gr.sizeof_gr_complex, 1,
'tcp://127.0.0.1:5555', 100,
False, -1)
self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=int(samp_rate_down),
decimation=int(samp_rate),
taps=None,
fractional_bw=None,
)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #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_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(True)
self.qtgui_freq_sink_x_0.set_fft_average(0.1)
self.qtgui_freq_sink_x_0.enable_axis_labels(True)
self.qtgui_freq_sink_x_0.enable_control_panel(False)
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 = ['', '', '', '', '', '', '', '', '', '']
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_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win)
self.gpredict_doppler_1 = gpredict.doppler(self.set_true_freq,
"localhost", 4532, False)
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(
1, (variable_low_pass_filter_taps_0), -freq_tuned, 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/osops/tom/dev/workspace/osat_437.16M_200k_beacon_mode6.cf32',
True)
self.blocks_file_source_0.set_begin_tag(pmt.PMT_NIL)
self.analog_simple_squelch_cc_0 = analog.simple_squelch_cc(Squelch, 1)
self.analog_sig_source_x_0 = analog.sig_source_c(
samp_rate, analog.GR_COS_WAVE, -freq_tuned, 1, 0)
##################################################
# Connections
##################################################
self.connect((self.analog_sig_source_x_0, 0),
(self.qtgui_freq_sink_x_0, 0))
self.connect((self.analog_simple_squelch_cc_0, 0),
(self.freq_xlating_fir_filter_xxx_0, 0))
self.connect((self.analog_simple_squelch_cc_0, 0),
(self.qtgui_freq_sink_x_0, 1))
self.connect((self.blocks_file_source_0, 0),
(self.blocks_throttle_0, 0))
self.connect((self.blocks_throttle_0, 0),
(self.analog_simple_squelch_cc_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0),
(self.rational_resampler_xxx_0, 0))
self.connect((self.rational_resampler_xxx_0, 0),
(self.zeromq_pub_sink_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 = 2E6
##################################################
# Blocks
##################################################
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(131.550E6, 0)
self.rtlsdr_source_0.set_freq_corr(50, 0)
self.rtlsdr_source_0.set_dc_offset_mode(2, 0)
self.rtlsdr_source_0.set_iq_balance_mode(2, 0)
self.rtlsdr_source_0.set_gain_mode(True, 0)
self.rtlsdr_source_0.set_gain(50, 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(3E3, 0)
self.rational_resampler_xxx_1 = filter.rational_resampler_fff(
interpolation=1,
decimation=10,
taps=None,
fractional_bw=None,
)
self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=480000,
decimation=200000,
taps=None,
fractional_bw=None,
)
self.qtgui_waterfall_sink_x_0 = qtgui.waterfall_sink_c(
1024, #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)
if not True:
self.qtgui_waterfall_sink_x_0.disable_legend()
if "complex" == "float" or "complex" == "msg_float":
self.qtgui_waterfall_sink_x_0.set_plot_pos_half(not True)
labels = ["", "", "", "", "", "", "", "", "", ""]
colors = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_waterfall_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_waterfall_sink_x_0.set_line_label(i, labels[i])
self.qtgui_waterfall_sink_x_0.set_color_map(i, colors[i])
self.qtgui_waterfall_sink_x_0.set_line_alpha(i, alphas[i])
self.qtgui_waterfall_sink_x_0.set_intensity_range(-140, 10)
self._qtgui_waterfall_sink_x_0_win = sip.wrapinstance(
self.qtgui_waterfall_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_waterfall_sink_x_0_win)
self.qtgui_freq_sink_x_1 = qtgui.freq_sink_f(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"", #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.top_layout.addWidget(self._qtgui_freq_sink_x_1_win)
self.low_pass_filter_0 = filter.fir_filter_ccf(
10,
firdes.low_pass(1, samp_rate, 3E3, 25E3, firdes.WIN_HAMMING, 6.76))
self.blocks_wavfile_sink_0_0 = blocks.wavfile_sink(
"/home/chris/Desktop/filteredAcarsNew", 1, 48000, 8)
self.blocks_complex_to_mag_0 = blocks.complex_to_mag(1)
self.audio_sink_1 = audio.sink(48000, "", True)
self.analog_simple_squelch_cc_1 = analog.simple_squelch_cc(-25, 0.001)
self.analog_rail_ff_0 = analog.rail_ff(0, 1)
##################################################
# Connections
##################################################
self.connect((self.analog_rail_ff_0, 0), (self.audio_sink_1, 0))
self.connect((self.analog_rail_ff_0, 0),
(self.blocks_wavfile_sink_0_0, 0))
self.connect((self.analog_rail_ff_0, 0), (self.qtgui_freq_sink_x_1, 0))
self.connect((self.analog_simple_squelch_cc_1, 0),
(self.blocks_complex_to_mag_0, 0))
self.connect((self.blocks_complex_to_mag_0, 0),
(self.rational_resampler_xxx_1, 0))
self.connect((self.low_pass_filter_0, 0),
(self.qtgui_waterfall_sink_x_0, 0))
self.connect((self.low_pass_filter_0, 0),
(self.rational_resampler_xxx_0, 0))
self.connect((self.rational_resampler_xxx_0, 0),
(self.analog_simple_squelch_cc_1, 0))
self.connect((self.rational_resampler_xxx_1, 0),
(self.analog_rail_ff_0, 0))
self.connect((self.rtlsdr_source_0, 0), (self.low_pass_filter_0, 0))
def __init__(self, rxPort=52002, txPort=52001):
grc_wxgui.top_block_gui.__init__(self, title="Top Block")
##################################################
# Parameters
##################################################
self.rxPort = rxPort
self.txPort = txPort
##################################################
# Variables
##################################################
self.localOscillator = localOscillator = 14070000
self.threshold = threshold = -200
self.samp_rate = samp_rate = 48000
self.rxPhase = rxPhase = .84
self.rxMagnitude = rxMagnitude = 0.854
self.freqFine = freqFine = 0
self.freq = freq = localOscillator
self.bandwidth = bandwidth = 50
##################################################
# Blocks
##################################################
_threshold_sizer = wx.BoxSizer(wx.VERTICAL)
self._threshold_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_threshold_sizer,
value=self.threshold,
callback=self.set_threshold,
label="threshold",
converter=forms.float_converter(),
proportion=0,
)
self._threshold_slider = forms.slider(
parent=self.GetWin(),
sizer=_threshold_sizer,
value=self.threshold,
callback=self.set_threshold,
minimum=-500,
maximum=500,
num_steps=1000,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_threshold_sizer)
self.notebook_0 = self.notebook_0 = wx.Notebook(self.GetWin(), style=wx.NB_TOP)
self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "tuning")
self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "scope")
self.Add(self.notebook_0)
_freqFine_sizer = wx.BoxSizer(wx.VERTICAL)
self._freqFine_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_freqFine_sizer,
value=self.freqFine,
callback=self.set_freqFine,
label="Tuning",
converter=forms.float_converter(),
proportion=0,
)
self._freqFine_slider = forms.slider(
parent=self.GetWin(),
sizer=_freqFine_sizer,
value=self.freqFine,
callback=self.set_freqFine,
minimum=-500,
maximum=500,
num_steps=1000,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_freqFine_sizer)
_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="Frequency",
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=localOscillator-samp_rate,
maximum=localOscillator+samp_rate,
num_steps=1000,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_freq_sizer)
_bandwidth_sizer = wx.BoxSizer(wx.VERTICAL)
self._bandwidth_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_bandwidth_sizer,
value=self.bandwidth,
callback=self.set_bandwidth,
label="Signal Bandwidth",
converter=forms.float_converter(),
proportion=0,
)
self._bandwidth_slider = forms.slider(
parent=self.GetWin(),
sizer=_bandwidth_sizer,
value=self.bandwidth,
callback=self.set_bandwidth,
minimum=30,
maximum=5000,
num_steps=1000,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_bandwidth_sizer)
self.wxgui_waterfallsink2_0_0_0 = waterfallsink2.waterfall_sink_c(
self.notebook_0.GetPage(1).GetWin(),
baseband_freq=0,
dynamic_range=100,
ref_level=0,
ref_scale=2.0,
sample_rate=125*8,
fft_size=512,
fft_rate=15,
average=False,
avg_alpha=None,
title="Waterfall Plot",
)
self.notebook_0.GetPage(1).Add(self.wxgui_waterfallsink2_0_0_0.win)
self.wxgui_waterfallsink2_0_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=125*8,
fft_size=512,
fft_rate=15,
average=False,
avg_alpha=None,
title="Waterfall Plot",
)
self.notebook_0.GetPage(0).Add(self.wxgui_waterfallsink2_0_0.win)
self.wxgui_waterfallsink2_0 = waterfallsink2.waterfall_sink_c(
self.notebook_0.GetPage(0).GetWin(),
baseband_freq=localOscillator,
dynamic_range=100,
ref_level=0,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=512,
fft_rate=15,
average=False,
avg_alpha=None,
title="Waterfall Plot",
)
self.notebook_0.GetPage(0).Add(self.wxgui_waterfallsink2_0.win)
self.low_pass_filter_0_1 = filter.fir_filter_ccf(samp_rate/125/8, firdes.low_pass(
1, samp_rate, 500, 500, firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_0_0 = filter.interp_fir_filter_ccf(1, firdes.low_pass(
1, samp_rate, 30, 30, firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_0 = filter.fir_filter_ccf(samp_rate/125/8, firdes.low_pass(
1, samp_rate, bandwidth, bandwidth, firdes.WIN_HAMMING, 6.76))
self.digital_mpsk_receiver_cc_0 = digital.mpsk_receiver_cc(2, 0, cmath.pi/100.0, -0.5, 0.5, 0.25, 0.01, 125*8/31.25, 0.001, 0.001)
self.blocks_transcendental_1 = blocks.transcendental("sin", "float")
self.blocks_transcendental_0 = blocks.transcendental("cos", "float")
self.blocks_throttle_0_1 = blocks.throttle(gr.sizeof_float*1, samp_rate)
self.blocks_throttle_0_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char*1, 31.25)
self.blocks_threshold_ff_0 = blocks.threshold_ff(1e-12, 1e-12, 0)
self.blocks_repeat_0 = blocks.repeat(gr.sizeof_float*1, int(samp_rate/31.25))
self.blocks_null_source_1 = blocks.null_source(gr.sizeof_float*1)
self.blocks_null_source_0_0 = blocks.null_source(gr.sizeof_float*1)
self.blocks_null_source_0 = blocks.null_source(gr.sizeof_float*1)
self.blocks_multiply_xx_0_2 = blocks.multiply_vcc(1)
self.blocks_multiply_xx_0_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_const_vxx_2 = blocks.multiply_const_vff((rxMagnitude, ))
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((2, ))
self.blocks_multiply_conjugate_cc_0 = blocks.multiply_conjugate_cc(1)
self.blocks_float_to_complex_1_0 = blocks.float_to_complex(1)
self.blocks_float_to_complex_1 = blocks.float_to_complex(1)
self.blocks_float_to_complex_0_1 = blocks.float_to_complex(1)
self.blocks_float_to_complex_0 = blocks.float_to_complex(1)
self.blocks_float_to_char_0 = blocks.float_to_char(1, 1)
self.blocks_delay_0 = blocks.delay(gr.sizeof_gr_complex*1, 1)
self.blocks_complex_to_real_0 = blocks.complex_to_real(1)
self.blocks_complex_to_float_0 = blocks.complex_to_float(1)
self.blocks_char_to_float_0 = blocks.char_to_float(1, 1)
self.blocks_add_xx_0 = blocks.add_vcc(1)
self.blocks_add_const_vxx_0 = blocks.add_const_vff((-1, ))
self.blks2_tcp_source_0 = grc_blks2.tcp_source(
itemsize=gr.sizeof_char*1,
addr="127.0.0.1",
port=txPort,
server=False,
)
self.blks2_tcp_sink_0 = grc_blks2.tcp_sink(
itemsize=gr.sizeof_char*1,
addr="127.0.0.1",
port=rxPort,
server=False,
)
self.audio_source_0 = audio.source(samp_rate, "", True)
self.audio_sink_0 = audio.sink(samp_rate, "", True)
self.analog_simple_squelch_cc_0 = analog.simple_squelch_cc(threshold, 1)
self.analog_sig_source_x_1 = analog.sig_source_c(samp_rate, analog.GR_COS_WAVE, -freqFine, 1, 0)
self.analog_sig_source_x_0_0 = analog.sig_source_c(samp_rate, analog.GR_COS_WAVE, freq+freqFine-localOscillator, 1, 0)
self.analog_sig_source_x_0 = analog.sig_source_c(samp_rate, analog.GR_SIN_WAVE, -(freq-localOscillator), 1, 0)
self.analog_const_source_x_0 = analog.sig_source_f(0, analog.GR_CONST_WAVE, 0, 0, rxPhase*3.14159/180.0)
self.analog_agc_xx_0 = analog.agc_cc(1e-4, 1.0, 1.0)
self.analog_agc_xx_0.set_max_gain(65536)
##################################################
# Connections
##################################################
self.connect((self.blks2_tcp_source_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.blocks_char_to_float_0, 0))
self.connect((self.blocks_char_to_float_0, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.blocks_add_const_vxx_0, 0))
self.connect((self.blocks_float_to_complex_0, 0), (self.low_pass_filter_0_0, 0))
self.connect((self.blocks_throttle_0_1, 0), (self.blocks_float_to_complex_0, 0))
self.connect((self.analog_sig_source_x_0_0, 0), (self.blocks_multiply_xx_0_0, 1))
self.connect((self.low_pass_filter_0_0, 0), (self.blocks_multiply_xx_0_0, 0))
self.connect((self.blocks_float_to_complex_0_1, 0), (self.blocks_multiply_xx_0_1, 1))
self.connect((self.analog_const_source_x_0, 0), (self.blocks_transcendental_1, 0))
self.connect((self.analog_const_source_x_0, 0), (self.blocks_transcendental_0, 0))
self.connect((self.blocks_transcendental_0, 0), (self.blocks_float_to_complex_0_1, 0))
self.connect((self.blocks_transcendental_1, 0), (self.blocks_float_to_complex_0_1, 1))
self.connect((self.blocks_null_source_0, 0), (self.blocks_float_to_complex_1, 0))
self.connect((self.audio_source_0, 0), (self.blocks_multiply_const_vxx_2, 0))
self.connect((self.blocks_multiply_const_vxx_2, 0), (self.blocks_float_to_complex_1, 1))
self.connect((self.blocks_float_to_complex_1, 0), (self.blocks_multiply_xx_0_1, 0))
self.connect((self.blocks_null_source_0_0, 0), (self.blocks_float_to_complex_1_0, 1))
self.connect((self.audio_source_0, 1), (self.blocks_float_to_complex_1_0, 0))
self.connect((self.blocks_float_to_complex_1_0, 0), (self.blocks_add_xx_0, 0))
self.connect((self.blocks_multiply_xx_0_1, 0), (self.blocks_add_xx_0, 1))
self.connect((self.blocks_add_xx_0, 0), (self.blocks_throttle_0_0, 0))
self.connect((self.blocks_null_source_1, 0), (self.blocks_float_to_complex_0, 1))
self.connect((self.blocks_throttle_0_0, 0), (self.blocks_multiply_xx_0, 0))
self.connect((self.blocks_float_to_char_0, 0), (self.blks2_tcp_sink_0, 0))
self.connect((self.blocks_complex_to_real_0, 0), (self.blocks_threshold_ff_0, 0))
self.connect((self.blocks_threshold_ff_0, 0), (self.blocks_float_to_char_0, 0))
self.connect((self.analog_simple_squelch_cc_0, 0), (self.blocks_complex_to_real_0, 0))
self.connect((self.blocks_multiply_conjugate_cc_0, 0), (self.analog_simple_squelch_cc_0, 0))
self.connect((self.digital_mpsk_receiver_cc_0, 0), (self.blocks_multiply_conjugate_cc_0, 1))
self.connect((self.digital_mpsk_receiver_cc_0, 0), (self.blocks_delay_0, 0))
self.connect((self.analog_sig_source_x_0, 0), (self.blocks_multiply_xx_0, 1))
self.connect((self.blocks_delay_0, 0), (self.blocks_multiply_conjugate_cc_0, 0))
self.connect((self.blocks_repeat_0, 0), (self.blocks_throttle_0_1, 0))
self.connect((self.blocks_add_const_vxx_0, 0), (self.blocks_repeat_0, 0))
self.connect((self.blocks_multiply_xx_0_0, 0), (self.blocks_complex_to_float_0, 0))
self.connect((self.blocks_multiply_xx_0, 0), (self.blocks_multiply_xx_0_2, 0))
self.connect((self.analog_sig_source_x_1, 0), (self.blocks_multiply_xx_0_2, 1))
self.connect((self.blocks_multiply_xx_0_2, 0), (self.low_pass_filter_0, 0))
self.connect((self.blocks_multiply_xx_0, 0), (self.low_pass_filter_0_1, 0))
self.connect((self.low_pass_filter_0_1, 0), (self.wxgui_waterfallsink2_0_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.analog_agc_xx_0, 0))
self.connect((self.analog_agc_xx_0, 0), (self.digital_mpsk_receiver_cc_0, 0))
self.connect((self.analog_agc_xx_0, 0), (self.wxgui_waterfallsink2_0_0_0, 0))
self.connect((self.blocks_complex_to_float_0, 0), (self.audio_sink_0, 1))
self.connect((self.blocks_complex_to_float_0, 1), (self.audio_sink_0, 0))
self.connect((self.blocks_throttle_0_0, 0), (self.wxgui_waterfallsink2_0, 0))
def __init__(self, squelch_rate, squelch_threshold=-100):
alpha = 80.0 / squelch_rate
self.rf_squelch_block = analog.simple_squelch_cc(squelch_threshold, alpha)
self.rf_probe_block = analog.probe_avg_mag_sqrd_c(0, alpha=alpha)
def __init__(self):
grc_wxgui.top_block_gui.__init__(
self, title="narrow fm demod on high freq police radio bands")
_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 = 2400000
self.rx_freq = rx_freq = 854.388e6
self.rx_fine = rx_fine = 0
self.rx_coarse = rx_coarse = 0
self.xlate_filter_taps = xlate_filter_taps = firdes.low_pass(
1, samp_rate, 125000, 25000, firdes.WIN_HAMMING, 6.76)
self.width = width = 12500
self.variable_chooser_1 = variable_chooser_1 = 1
self.tv_freq = tv_freq = 500.25e6
self.trans = trans = 25000
self.squelch = squelch = -55
self.sql_lev = sql_lev = -20
self.rx_freq_val = rx_freq_val = rx_freq + (rx_coarse + rx_fine)
self.freq = freq = 155e6
self.dev = dev = 7500
self.decimation = decimation = 50
self.af_gain = af_gain = 1
##################################################
# Blocks
##################################################
_width_sizer = wx.BoxSizer(wx.VERTICAL)
self._width_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_width_sizer,
value=self.width,
callback=self.set_width,
label="LP Filter",
converter=forms.float_converter(),
proportion=0,
)
self._width_slider = forms.slider(
parent=self.GetWin(),
sizer=_width_sizer,
value=self.width,
callback=self.set_width,
minimum=2000,
maximum=40000,
num_steps=760,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_width_sizer, 2, 4, 1, 4)
_trans_sizer = wx.BoxSizer(wx.VERTICAL)
self._trans_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_trans_sizer,
value=self.trans,
callback=self.set_trans,
label="LP Trans",
converter=forms.float_converter(),
proportion=0,
)
self._trans_slider = forms.slider(
parent=self.GetWin(),
sizer=_trans_sizer,
value=self.trans,
callback=self.set_trans,
minimum=500,
maximum=50000,
num_steps=900,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_trans_sizer, 2, 8, 1, 4)
_squelch_sizer = wx.BoxSizer(wx.VERTICAL)
self._squelch_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_squelch_sizer,
value=self.squelch,
callback=self.set_squelch,
label="squelch level",
converter=forms.float_converter(),
proportion=0,
)
self._squelch_slider = forms.slider(
parent=self.GetWin(),
sizer=_squelch_sizer,
value=self.squelch,
callback=self.set_squelch,
minimum=-100,
maximum=0,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_squelch_sizer)
_rx_freq_sizer = wx.BoxSizer(wx.VERTICAL)
self._rx_freq_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_rx_freq_sizer,
value=self.rx_freq,
callback=self.set_rx_freq,
label="RX Center ",
converter=forms.float_converter(),
proportion=0,
)
self._rx_freq_slider = forms.slider(
parent=self.GetWin(),
sizer=_rx_freq_sizer,
value=self.rx_freq,
callback=self.set_rx_freq,
minimum=840000000,
maximum=860000000,
num_steps=1000,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_rx_freq_sizer, 0, 0, 1, 16)
_rx_fine_sizer = wx.BoxSizer(wx.VERTICAL)
self._rx_fine_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_rx_fine_sizer,
value=self.rx_fine,
callback=self.set_rx_fine,
label="RX Fine",
converter=forms.float_converter(),
proportion=0,
)
self._rx_fine_slider = forms.slider(
parent=self.GetWin(),
sizer=_rx_fine_sizer,
value=self.rx_fine,
callback=self.set_rx_fine,
minimum=0,
maximum=10000,
num_steps=1000,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_rx_fine_sizer, 1, 4, 1, 4)
_rx_coarse_sizer = wx.BoxSizer(wx.VERTICAL)
self._rx_coarse_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_rx_coarse_sizer,
value=self.rx_coarse,
callback=self.set_rx_coarse,
label="RX Offset",
converter=forms.float_converter(),
proportion=0,
)
self._rx_coarse_slider = forms.slider(
parent=self.GetWin(),
sizer=_rx_coarse_sizer,
value=self.rx_coarse,
callback=self.set_rx_coarse,
minimum=0,
maximum=1e6,
num_steps=1000,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_rx_coarse_sizer, 1, 0, 1, 4)
_dev_sizer = wx.BoxSizer(wx.VERTICAL)
self._dev_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_dev_sizer,
value=self.dev,
callback=self.set_dev,
label="NBFM deviation",
converter=forms.float_converter(),
proportion=0,
)
self._dev_slider = forms.slider(
parent=self.GetWin(),
sizer=_dev_sizer,
value=self.dev,
callback=self.set_dev,
minimum=4000,
maximum=16000,
num_steps=24,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_dev_sizer)
self.wxgui_waterfallsink2_1 = waterfallsink2.waterfall_sink_c(
self.GetWin(),
baseband_freq=rx_freq + rx_coarse + rx_fine,
dynamic_range=100,
ref_level=0,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=512,
fft_rate=15,
average=False,
avg_alpha=None,
title="Waterfall Plot",
)
self.Add(self.wxgui_waterfallsink2_1.win)
self._variable_chooser_1_chooser = forms.drop_down(
parent=self.GetWin(),
value=self.variable_chooser_1,
callback=self.set_variable_chooser_1,
label='variable_chooser_1',
choices=[1, 2, 3],
labels=[],
)
self.Add(self._variable_chooser_1_chooser)
_sql_lev_sizer = wx.BoxSizer(wx.VERTICAL)
self._sql_lev_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_sql_lev_sizer,
value=self.sql_lev,
callback=self.set_sql_lev,
label="SQL",
converter=forms.float_converter(),
proportion=0,
)
self._sql_lev_slider = forms.slider(
parent=self.GetWin(),
sizer=_sql_lev_sizer,
value=self.sql_lev,
callback=self.set_sql_lev,
minimum=-100,
maximum=100,
num_steps=200,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_sql_lev_sizer, 1, 12, 1, 4)
self._rx_freq_val_static_text = forms.static_text(
parent=self.GetWin(),
value=self.rx_freq_val,
callback=self.set_rx_freq_val,
label="Receive",
converter=forms.float_converter(),
)
self.GridAdd(self._rx_freq_val_static_text, 0, 16, 1, 1)
self.rtlsdr_source_0 = osmosdr.source(args="numchan=" + str(1) + " " +
"")
self.rtlsdr_source_0.set_time_now(osmosdr.time_spec_t(time.time()),
osmosdr.ALL_MBOARDS)
self.rtlsdr_source_0.set_sample_rate(samp_rate)
self.rtlsdr_source_0.set_center_freq(rx_freq, 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(10, 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.low_pass_filter_0 = filter.fir_filter_ccf(
decimation,
firdes.low_pass(1, samp_rate, width, trans, firdes.WIN_HAMMING,
6.76))
self.audio_sink_0 = audio.sink(48000, "", True)
self.analog_simple_squelch_cc_0 = analog.simple_squelch_cc(squelch, 1)
self.analog_nbfm_rx_0 = analog.nbfm_rx(
audio_rate=48000,
quad_rate=48000,
tau=50e-6,
max_dev=dev,
)
_af_gain_sizer = wx.BoxSizer(wx.VERTICAL)
self._af_gain_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_af_gain_sizer,
value=self.af_gain,
callback=self.set_af_gain,
label="VOL",
converter=forms.float_converter(),
proportion=0,
)
self._af_gain_slider = forms.slider(
parent=self.GetWin(),
sizer=_af_gain_sizer,
value=self.af_gain,
callback=self.set_af_gain,
minimum=0,
maximum=5,
num_steps=50,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_af_gain_sizer, 2, 12, 1, 4)
##################################################
# Connections
##################################################
self.connect((self.analog_nbfm_rx_0, 0), (self.audio_sink_0, 0))
self.connect((self.analog_simple_squelch_cc_0, 0),
(self.analog_nbfm_rx_0, 0))
self.connect((self.low_pass_filter_0, 0),
(self.analog_simple_squelch_cc_0, 0))
self.connect((self.rtlsdr_source_0, 0), (self.low_pass_filter_0, 0))
self.connect((self.rtlsdr_source_0, 0),
(self.wxgui_waterfallsink2_1, 0))
def __init__(self):
gr.top_block.__init__(self, "Nbfm Dsd No Gui")
##################################################
# Variables
##################################################
self.decim = decim = 2
self.adc_rate = adc_rate = 2000000
self.xlate_offset_fine = xlate_offset_fine = -800
self.xlate_offset = xlate_offset = 0
self.xlate_decim = xlate_decim = 4
self.xlate_bandwidth = xlate_bandwidth = 12500
self.volume = volume = 2
self.squelch = squelch = 50
self.samp_rate = samp_rate = adc_rate/decim
self.audio_rate = audio_rate = 48000
self.audio_interp = audio_interp = 4
##################################################
# Blocks
##################################################
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(442.574e6, 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(2, 0)
self.rtlsdr_source_0.set_gain_mode(True, 0)
self.rtlsdr_source_0.set_gain(50, 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.rational_resampler_xxx_0_0 = filter.rational_resampler_fff(
interpolation=48000,
decimation=8000,
taps=None,
fractional_bw=None,
)
self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=audio_rate*audio_interp,
decimation=samp_rate/xlate_decim,
taps=None,
fractional_bw=None,
)
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(xlate_decim, (firdes.low_pass(1, samp_rate, xlate_bandwidth/2, 1000)), xlate_offset + xlate_offset_fine, samp_rate)
self.dsd_block_ff_1 = dsd.block_ff(dsd.dsd_FRAME_AUTO_DETECT,dsd.dsd_MOD_AUTO_SELECT,3,True,2)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((volume, ))
self.audio_sink_0 = audio.sink(48000, "", True)
self.analog_simple_squelch_cc_0 = analog.simple_squelch_cc(squelch*-1, 1)
self.analog_nbfm_rx_0 = analog.nbfm_rx(
audio_rate=audio_rate,
quad_rate=audio_rate*audio_interp,
tau=75e-6,
max_dev=5e3,
)
##################################################
# Connections
##################################################
self.connect((self.analog_nbfm_rx_0, 0), (self.dsd_block_ff_1, 0))
self.connect((self.analog_simple_squelch_cc_0, 0), (self.analog_nbfm_rx_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.audio_sink_0, 0))
self.connect((self.dsd_block_ff_1, 0), (self.rational_resampler_xxx_0_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.rational_resampler_xxx_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.analog_simple_squelch_cc_0, 0))
self.connect((self.rational_resampler_xxx_0_0, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self.rtlsdr_source_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Receive Single FM Station")
Qt.QWidget.__init__(self)
self.setWindowTitle("Receive Single FM Station")
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", "rcv_single_fm")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.rf_rate = rf_rate = 20e6
self.rf_frequency_h = rf_frequency_h = 88.5
self.fm_taps = fm_taps = firdes.low_pass_2(32., rf_rate, 96e3, 25e3, 50)
self.audio_rate = audio_rate = 44100
self.taps_len = taps_len = fm_taps.__len__()
self.rf_gain = rf_gain = 50
self.rf_frequency = rf_frequency = 98.1e6
self.fm_channel_rate = fm_channel_rate = audio_rate*5
self.channel_number = channel_number = int(10*(rf_frequency_h-98)) /2if rf_frequency_h>=98 else 50 + int(10*(rf_frequency_h-88.1))/2
##################################################
# Blocks
##################################################
self._rf_rate_range = Range(100e3, 20e6, 200e3, 20e6, 200)
self._rf_rate_win = RangeWidget(self._rf_rate_range, self.set_rf_rate, 'RF sample rate', "counter_slider", float)
self.top_layout.addWidget(self._rf_rate_win)
self._rf_gain_range = Range(0, 90, 1, 50, 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.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(rf_rate)
self.uhd_usrp_source_0.set_center_freq(rf_frequency, 0)
self.uhd_usrp_source_0.set_gain(rf_gain, 0)
self.uhd_usrp_source_0.set_antenna('RX2', 0)
self._rf_frequency_h_range = Range(88.0, 108.0, .2, 88.5, 200)
self._rf_frequency_h_win = RangeWidget(self._rf_frequency_h_range, self.set_rf_frequency_h, 'RF Frequency', "counter_slider", float)
self.top_layout.addWidget(self._rf_frequency_h_win)
self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=fm_channel_rate,
decimation=int(200e3),
taps=None,
fractional_bw=None,
)
self.qtgui_waterfall_sink_x_0_0 = qtgui.waterfall_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
rf_frequency, #fc
rf_rate, #bw
"Received Spectrum", #name
1 #number of inputs
)
self.qtgui_waterfall_sink_x_0_0.set_update_time(0.10)
self.qtgui_waterfall_sink_x_0_0.enable_grid(False)
self.qtgui_waterfall_sink_x_0_0.enable_axis_labels(True)
if not True:
self.qtgui_waterfall_sink_x_0_0.disable_legend()
if "complex" == "float" or "complex" == "msg_float":
self.qtgui_waterfall_sink_x_0_0.set_plot_pos_half(not True)
labels = ['', '', '', '', '',
'', '', '', '', '']
colors = [0, 0, 0, 0, 0,
0, 0, 0, 0, 0]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_waterfall_sink_x_0_0.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_waterfall_sink_x_0_0.set_line_label(i, labels[i])
self.qtgui_waterfall_sink_x_0_0.set_color_map(i, colors[i])
self.qtgui_waterfall_sink_x_0_0.set_line_alpha(i, alphas[i])
self.qtgui_waterfall_sink_x_0_0.set_intensity_range(-140, 10)
self._qtgui_waterfall_sink_x_0_0_win = sip.wrapinstance(self.qtgui_waterfall_sink_x_0_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_waterfall_sink_x_0_0_win)
self.qtgui_waterfall_sink_x_0 = qtgui.waterfall_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
rf_frequency, #fc
fm_channel_rate, #bw
"Selected Channel", #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)
if not True:
self.qtgui_waterfall_sink_x_0.disable_legend()
if "complex" == "float" or "complex" == "msg_float":
self.qtgui_waterfall_sink_x_0.set_plot_pos_half(not True)
labels = ['', '', '', '', '',
'', '', '', '', '']
colors = [0, 0, 0, 0, 0,
0, 0, 0, 0, 0]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_waterfall_sink_x_0.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_waterfall_sink_x_0.set_line_label(i, labels[i])
self.qtgui_waterfall_sink_x_0.set_color_map(i, colors[i])
self.qtgui_waterfall_sink_x_0.set_line_alpha(i, alphas[i])
self.qtgui_waterfall_sink_x_0.set_intensity_range(-140, 10)
self._qtgui_waterfall_sink_x_0_win = sip.wrapinstance(self.qtgui_waterfall_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_waterfall_sink_x_0_win)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
1., #bw
"", #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_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 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 = ['', '', '', '', '',
'', '', '', '', '']
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.pfb_channelizer_ccf_0 = pfb.channelizer_ccf(
100,
(fm_taps),
1.0,
100)
self.pfb_channelizer_ccf_0.set_channel_map(([channel_number]))
self.pfb_channelizer_ccf_0.declare_sample_delay(0)
self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_gr_complex*1)
self.audio_sink_0 = audio.sink(audio_rate, '', True)
self.analog_wfm_rcv_0 = analog.wfm_rcv(
quad_rate=fm_channel_rate,
audio_decimation=fm_channel_rate/audio_rate,
)
self.analog_simple_squelch_cc_0 = analog.simple_squelch_cc(-20, .1)
##################################################
# Connections
##################################################
self.connect((self.analog_simple_squelch_cc_0, 0), (self.analog_wfm_rcv_0, 0))
self.connect((self.analog_wfm_rcv_0, 0), (self.audio_sink_0, 0))
self.connect((self.pfb_channelizer_ccf_0, 1), (self.blocks_null_sink_0, 0))
self.connect((self.pfb_channelizer_ccf_0, 2), (self.blocks_null_sink_0, 1))
self.connect((self.pfb_channelizer_ccf_0, 3), (self.blocks_null_sink_0, 2))
self.connect((self.pfb_channelizer_ccf_0, 4), (self.blocks_null_sink_0, 3))
self.connect((self.pfb_channelizer_ccf_0, 5), (self.blocks_null_sink_0, 4))
self.connect((self.pfb_channelizer_ccf_0, 6), (self.blocks_null_sink_0, 5))
self.connect((self.pfb_channelizer_ccf_0, 7), (self.blocks_null_sink_0, 6))
self.connect((self.pfb_channelizer_ccf_0, 8), (self.blocks_null_sink_0, 7))
self.connect((self.pfb_channelizer_ccf_0, 9), (self.blocks_null_sink_0, 8))
self.connect((self.pfb_channelizer_ccf_0, 10), (self.blocks_null_sink_0, 9))
self.connect((self.pfb_channelizer_ccf_0, 11), (self.blocks_null_sink_0, 10))
self.connect((self.pfb_channelizer_ccf_0, 12), (self.blocks_null_sink_0, 11))
self.connect((self.pfb_channelizer_ccf_0, 13), (self.blocks_null_sink_0, 12))
self.connect((self.pfb_channelizer_ccf_0, 14), (self.blocks_null_sink_0, 13))
self.connect((self.pfb_channelizer_ccf_0, 15), (self.blocks_null_sink_0, 14))
self.connect((self.pfb_channelizer_ccf_0, 16), (self.blocks_null_sink_0, 15))
self.connect((self.pfb_channelizer_ccf_0, 17), (self.blocks_null_sink_0, 16))
self.connect((self.pfb_channelizer_ccf_0, 18), (self.blocks_null_sink_0, 17))
self.connect((self.pfb_channelizer_ccf_0, 19), (self.blocks_null_sink_0, 18))
self.connect((self.pfb_channelizer_ccf_0, 20), (self.blocks_null_sink_0, 19))
self.connect((self.pfb_channelizer_ccf_0, 21), (self.blocks_null_sink_0, 20))
self.connect((self.pfb_channelizer_ccf_0, 22), (self.blocks_null_sink_0, 21))
self.connect((self.pfb_channelizer_ccf_0, 23), (self.blocks_null_sink_0, 22))
self.connect((self.pfb_channelizer_ccf_0, 24), (self.blocks_null_sink_0, 23))
self.connect((self.pfb_channelizer_ccf_0, 25), (self.blocks_null_sink_0, 24))
self.connect((self.pfb_channelizer_ccf_0, 26), (self.blocks_null_sink_0, 25))
self.connect((self.pfb_channelizer_ccf_0, 27), (self.blocks_null_sink_0, 26))
self.connect((self.pfb_channelizer_ccf_0, 28), (self.blocks_null_sink_0, 27))
self.connect((self.pfb_channelizer_ccf_0, 29), (self.blocks_null_sink_0, 28))
self.connect((self.pfb_channelizer_ccf_0, 30), (self.blocks_null_sink_0, 29))
self.connect((self.pfb_channelizer_ccf_0, 31), (self.blocks_null_sink_0, 30))
self.connect((self.pfb_channelizer_ccf_0, 32), (self.blocks_null_sink_0, 31))
self.connect((self.pfb_channelizer_ccf_0, 33), (self.blocks_null_sink_0, 32))
self.connect((self.pfb_channelizer_ccf_0, 34), (self.blocks_null_sink_0, 33))
self.connect((self.pfb_channelizer_ccf_0, 35), (self.blocks_null_sink_0, 34))
self.connect((self.pfb_channelizer_ccf_0, 36), (self.blocks_null_sink_0, 35))
self.connect((self.pfb_channelizer_ccf_0, 37), (self.blocks_null_sink_0, 36))
self.connect((self.pfb_channelizer_ccf_0, 38), (self.blocks_null_sink_0, 37))
self.connect((self.pfb_channelizer_ccf_0, 39), (self.blocks_null_sink_0, 38))
self.connect((self.pfb_channelizer_ccf_0, 40), (self.blocks_null_sink_0, 39))
self.connect((self.pfb_channelizer_ccf_0, 41), (self.blocks_null_sink_0, 40))
self.connect((self.pfb_channelizer_ccf_0, 42), (self.blocks_null_sink_0, 41))
self.connect((self.pfb_channelizer_ccf_0, 43), (self.blocks_null_sink_0, 42))
self.connect((self.pfb_channelizer_ccf_0, 44), (self.blocks_null_sink_0, 43))
self.connect((self.pfb_channelizer_ccf_0, 45), (self.blocks_null_sink_0, 44))
self.connect((self.pfb_channelizer_ccf_0, 46), (self.blocks_null_sink_0, 45))
self.connect((self.pfb_channelizer_ccf_0, 47), (self.blocks_null_sink_0, 46))
self.connect((self.pfb_channelizer_ccf_0, 48), (self.blocks_null_sink_0, 47))
self.connect((self.pfb_channelizer_ccf_0, 49), (self.blocks_null_sink_0, 48))
self.connect((self.pfb_channelizer_ccf_0, 50), (self.blocks_null_sink_0, 49))
self.connect((self.pfb_channelizer_ccf_0, 51), (self.blocks_null_sink_0, 50))
self.connect((self.pfb_channelizer_ccf_0, 52), (self.blocks_null_sink_0, 51))
self.connect((self.pfb_channelizer_ccf_0, 53), (self.blocks_null_sink_0, 52))
self.connect((self.pfb_channelizer_ccf_0, 54), (self.blocks_null_sink_0, 53))
self.connect((self.pfb_channelizer_ccf_0, 55), (self.blocks_null_sink_0, 54))
self.connect((self.pfb_channelizer_ccf_0, 56), (self.blocks_null_sink_0, 55))
self.connect((self.pfb_channelizer_ccf_0, 57), (self.blocks_null_sink_0, 56))
self.connect((self.pfb_channelizer_ccf_0, 58), (self.blocks_null_sink_0, 57))
self.connect((self.pfb_channelizer_ccf_0, 59), (self.blocks_null_sink_0, 58))
self.connect((self.pfb_channelizer_ccf_0, 60), (self.blocks_null_sink_0, 59))
self.connect((self.pfb_channelizer_ccf_0, 61), (self.blocks_null_sink_0, 60))
self.connect((self.pfb_channelizer_ccf_0, 62), (self.blocks_null_sink_0, 61))
self.connect((self.pfb_channelizer_ccf_0, 63), (self.blocks_null_sink_0, 62))
self.connect((self.pfb_channelizer_ccf_0, 64), (self.blocks_null_sink_0, 63))
self.connect((self.pfb_channelizer_ccf_0, 65), (self.blocks_null_sink_0, 64))
self.connect((self.pfb_channelizer_ccf_0, 66), (self.blocks_null_sink_0, 65))
self.connect((self.pfb_channelizer_ccf_0, 67), (self.blocks_null_sink_0, 66))
self.connect((self.pfb_channelizer_ccf_0, 68), (self.blocks_null_sink_0, 67))
self.connect((self.pfb_channelizer_ccf_0, 69), (self.blocks_null_sink_0, 68))
self.connect((self.pfb_channelizer_ccf_0, 70), (self.blocks_null_sink_0, 69))
self.connect((self.pfb_channelizer_ccf_0, 71), (self.blocks_null_sink_0, 70))
self.connect((self.pfb_channelizer_ccf_0, 72), (self.blocks_null_sink_0, 71))
self.connect((self.pfb_channelizer_ccf_0, 73), (self.blocks_null_sink_0, 72))
self.connect((self.pfb_channelizer_ccf_0, 74), (self.blocks_null_sink_0, 73))
self.connect((self.pfb_channelizer_ccf_0, 75), (self.blocks_null_sink_0, 74))
self.connect((self.pfb_channelizer_ccf_0, 76), (self.blocks_null_sink_0, 75))
self.connect((self.pfb_channelizer_ccf_0, 77), (self.blocks_null_sink_0, 76))
self.connect((self.pfb_channelizer_ccf_0, 78), (self.blocks_null_sink_0, 77))
self.connect((self.pfb_channelizer_ccf_0, 79), (self.blocks_null_sink_0, 78))
self.connect((self.pfb_channelizer_ccf_0, 80), (self.blocks_null_sink_0, 79))
self.connect((self.pfb_channelizer_ccf_0, 81), (self.blocks_null_sink_0, 80))
self.connect((self.pfb_channelizer_ccf_0, 82), (self.blocks_null_sink_0, 81))
self.connect((self.pfb_channelizer_ccf_0, 83), (self.blocks_null_sink_0, 82))
self.connect((self.pfb_channelizer_ccf_0, 84), (self.blocks_null_sink_0, 83))
self.connect((self.pfb_channelizer_ccf_0, 85), (self.blocks_null_sink_0, 84))
self.connect((self.pfb_channelizer_ccf_0, 86), (self.blocks_null_sink_0, 85))
self.connect((self.pfb_channelizer_ccf_0, 87), (self.blocks_null_sink_0, 86))
self.connect((self.pfb_channelizer_ccf_0, 88), (self.blocks_null_sink_0, 87))
self.connect((self.pfb_channelizer_ccf_0, 89), (self.blocks_null_sink_0, 88))
self.connect((self.pfb_channelizer_ccf_0, 90), (self.blocks_null_sink_0, 89))
self.connect((self.pfb_channelizer_ccf_0, 91), (self.blocks_null_sink_0, 90))
self.connect((self.pfb_channelizer_ccf_0, 92), (self.blocks_null_sink_0, 91))
self.connect((self.pfb_channelizer_ccf_0, 93), (self.blocks_null_sink_0, 92))
self.connect((self.pfb_channelizer_ccf_0, 94), (self.blocks_null_sink_0, 93))
self.connect((self.pfb_channelizer_ccf_0, 95), (self.blocks_null_sink_0, 94))
self.connect((self.pfb_channelizer_ccf_0, 96), (self.blocks_null_sink_0, 95))
self.connect((self.pfb_channelizer_ccf_0, 97), (self.blocks_null_sink_0, 96))
self.connect((self.pfb_channelizer_ccf_0, 98), (self.blocks_null_sink_0, 97))
self.connect((self.pfb_channelizer_ccf_0, 99), (self.blocks_null_sink_0, 98))
self.connect((self.pfb_channelizer_ccf_0, 0), (self.rational_resampler_xxx_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.analog_simple_squelch_cc_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.qtgui_freq_sink_x_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.qtgui_waterfall_sink_x_0, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.pfb_channelizer_ccf_0, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.qtgui_waterfall_sink_x_0_0, 0))
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Nbfm")
##################################################
# Variables
##################################################
self.decim = decim = 2
self.adc_rate = adc_rate = 2000000
self.xlate_offset_fine = xlate_offset_fine = 4000
self.xlate_offset = xlate_offset = 0
self.xlate_decim = xlate_decim = 4
self.xlate_bandwidth = xlate_bandwidth = 12500
self.volume = volume = 1
self.squelch = squelch = 50
self.samp_rate = samp_rate = adc_rate / decim
self.main_freq = main_freq = 167.99e6
self.audio_rate = audio_rate = 48000
self.audio_interp = audio_interp = 4
##################################################
# Blocks
##################################################
self.main_notebook = self.main_notebook = wx.Notebook(self.GetWin(),
style=wx.NB_TOP)
self.main_notebook.AddPage(grc_wxgui.Panel(self.main_notebook),
"Baseband")
self.main_notebook.AddPage(grc_wxgui.Panel(self.main_notebook),
"Scope")
self.main_notebook.AddPage(grc_wxgui.Panel(self.main_notebook),
"Waterfall")
self.main_notebook.AddPage(grc_wxgui.Panel(self.main_notebook),
"Quad demod")
self.Add(self.main_notebook)
_xlate_offset_fine_sizer = wx.BoxSizer(wx.VERTICAL)
self._xlate_offset_fine_text_box = forms.text_box(
parent=self.main_notebook.GetPage(0).GetWin(),
sizer=_xlate_offset_fine_sizer,
value=self.xlate_offset_fine,
callback=self.set_xlate_offset_fine,
label="Fine Offset",
converter=forms.float_converter(),
proportion=0,
)
self._xlate_offset_fine_slider = forms.slider(
parent=self.main_notebook.GetPage(0).GetWin(),
sizer=_xlate_offset_fine_sizer,
value=self.xlate_offset_fine,
callback=self.set_xlate_offset_fine,
minimum=-10000,
maximum=10000,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.main_notebook.GetPage(0).Add(_xlate_offset_fine_sizer)
self._xlate_offset_text_box = forms.text_box(
parent=self.main_notebook.GetPage(0).GetWin(),
value=self.xlate_offset,
callback=self.set_xlate_offset,
label="Xlate Offset",
converter=forms.float_converter(),
)
self.main_notebook.GetPage(0).Add(self._xlate_offset_text_box)
_xlate_bandwidth_sizer = wx.BoxSizer(wx.VERTICAL)
self._xlate_bandwidth_text_box = forms.text_box(
parent=self.main_notebook.GetPage(0).GetWin(),
sizer=_xlate_bandwidth_sizer,
value=self.xlate_bandwidth,
callback=self.set_xlate_bandwidth,
label="Xlate Bandwidth",
converter=forms.float_converter(),
proportion=0,
)
self._xlate_bandwidth_slider = forms.slider(
parent=self.main_notebook.GetPage(0).GetWin(),
sizer=_xlate_bandwidth_sizer,
value=self.xlate_bandwidth,
callback=self.set_xlate_bandwidth,
minimum=2500,
maximum=250000,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.main_notebook.GetPage(0).Add(_xlate_bandwidth_sizer)
_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=0,
maximum=10,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_volume_sizer)
_squelch_sizer = wx.BoxSizer(wx.VERTICAL)
self._squelch_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_squelch_sizer,
value=self.squelch,
callback=self.set_squelch,
label='squelch',
converter=forms.float_converter(),
proportion=0,
)
self._squelch_slider = forms.slider(
parent=self.GetWin(),
sizer=_squelch_sizer,
value=self.squelch,
callback=self.set_squelch,
minimum=0,
maximum=100,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_squelch_sizer)
self._main_freq_text_box = forms.text_box(
parent=self.main_notebook.GetPage(0).GetWin(),
value=self.main_freq,
callback=self.set_main_freq,
label="Main Freq",
converter=forms.float_converter(),
)
self.main_notebook.GetPage(0).Add(self._main_freq_text_box)
self.wxgui_waterfallsink2_0 = waterfallsink2.waterfall_sink_c(
self.main_notebook.GetPage(2).GetWin(),
baseband_freq=0,
dynamic_range=100,
ref_level=50,
ref_scale=2.0,
sample_rate=samp_rate / xlate_decim,
fft_size=512,
fft_rate=30,
average=False,
avg_alpha=None,
title="Waterfall Plot",
)
self.main_notebook.GetPage(2).Add(self.wxgui_waterfallsink2_0.win)
self.wxgui_scopesink2_1 = scopesink2.scope_sink_f(
self.main_notebook.GetPage(3).GetWin(),
title="Scope Plot",
sample_rate=samp_rate / xlate_decim,
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.main_notebook.GetPage(3).Add(self.wxgui_scopesink2_1.win)
self.wxgui_scopesink2_0 = scopesink2.scope_sink_c(
self.main_notebook.GetPage(1).GetWin(),
title="Scope Plot",
sample_rate=samp_rate / xlate_decim,
v_scale=10,
v_offset=0,
t_scale=10000,
ac_couple=False,
xy_mode=False,
num_inputs=1,
trig_mode=wxgui.TRIG_MODE_AUTO,
y_axis_label="Counts",
)
self.main_notebook.GetPage(1).Add(self.wxgui_scopesink2_0.win)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.main_notebook.GetPage(0).GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=50,
ref_scale=2.0,
sample_rate=samp_rate / xlate_decim,
fft_size=1024,
fft_rate=30,
average=False,
avg_alpha=None,
title="FFT Plot",
peak_hold=False,
)
self.main_notebook.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(main_freq, 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(2, 0)
self.rtlsdr_source_0.set_gain_mode(True, 0)
self.rtlsdr_source_0.set_gain(50, 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.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=audio_rate * audio_interp,
decimation=samp_rate / xlate_decim,
taps=None,
fractional_bw=None,
)
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(
xlate_decim,
(firdes.low_pass(1, samp_rate, xlate_bandwidth / 2, 1000)),
xlate_offset + xlate_offset_fine, samp_rate)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff(
(volume, ))
self.audio_sink_0 = audio.sink(48000, "", True)
self.analog_simple_squelch_cc_0 = analog.simple_squelch_cc(
squelch * -1, 1)
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(1)
self.analog_nbfm_rx_0 = analog.nbfm_rx(
audio_rate=audio_rate,
quad_rate=audio_rate * audio_interp,
tau=75e-6,
max_dev=5e3,
)
##################################################
# Connections
##################################################
self.connect((self.analog_nbfm_rx_0, 0),
(self.blocks_multiply_const_vxx_0, 0))
self.connect((self.analog_quadrature_demod_cf_0, 0),
(self.wxgui_scopesink2_1, 0))
self.connect((self.analog_simple_squelch_cc_0, 0),
(self.analog_nbfm_rx_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.audio_sink_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0),
(self.analog_quadrature_demod_cf_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0),
(self.rational_resampler_xxx_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.wxgui_scopesink2_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0),
(self.wxgui_waterfallsink2_0, 0))
self.connect((self.rational_resampler_xxx_0, 0),
(self.analog_simple_squelch_cc_0, 0))
self.connect((self.rtlsdr_source_0, 0),
(self.freq_xlating_fir_filter_xxx_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Bluetooth LE Receiver")
##################################################
# Variables
##################################################
self.transition_width = transition_width = 300e3
self.sample_rate = sample_rate = 4e6
self.data_rate = data_rate = 1e6
self.cutoff_freq = cutoff_freq = 850e3
self.ble_channel_spacing = ble_channel_spacing = 2e6
self.ble_channel = ble_channel = 12
self.ble_base_freq = ble_base_freq = 2402e6
self.squelch_threshold = squelch_threshold = -70
self.rf_gain = rf_gain = 10
self.lowpass_filter = lowpass_filter = firdes.low_pass(
1, sample_rate, cutoff_freq, transition_width, firdes.WIN_HAMMING,
6.76)
self.gmsk_sps = gmsk_sps = int(sample_rate / data_rate)
self.gmsk_omega_limit = gmsk_omega_limit = 0.035
self.gmsk_mu = gmsk_mu = 0.5
self.gmsk_gain_mu = gmsk_gain_mu = 0.7
self.freq_offset = freq_offset = 1e6
self.freq = freq = ble_base_freq + (ble_channel_spacing * ble_channel)
##################################################
# Message Queues
##################################################
self.message_queue = message_queue = gr.msg_queue(2)
##################################################
# Blocks
##################################################
self.unpacked_to_packed = blocks.unpacked_to_packed_bb(
1, gr.GR_LSB_FIRST)
self.osmosdr_source = osmosdr.source(args="numchan=" + str(1) + " " +
"")
self.osmosdr_source.set_sample_rate(sample_rate)
self.osmosdr_source.set_center_freq(freq + freq_offset, 0)
self.osmosdr_source.set_freq_corr(0, 0)
self.osmosdr_source.set_dc_offset_mode(0, 0)
self.osmosdr_source.set_iq_balance_mode(0, 0)
self.osmosdr_source.set_gain_mode(False, 0)
self.osmosdr_source.set_gain(rf_gain, 0)
self.osmosdr_source.set_if_gain(20, 0)
self.osmosdr_source.set_bb_gain(20, 0)
self.osmosdr_source.set_antenna("", 0)
self.osmosdr_source.set_bandwidth(0, 0)
self.message_sink = blocks.message_sink(gr.sizeof_char * 1,
message_queue, True)
self.freq_xlating_fir_filter_lp = filter.freq_xlating_fir_filter_ccc(
1, (lowpass_filter), -freq_offset, sample_rate)
self.digital_gmsk_demod_0 = digital.gmsk_demod(
samples_per_symbol=gmsk_sps,
gain_mu=gmsk_gain_mu,
mu=gmsk_mu,
omega_relative_limit=gmsk_omega_limit,
freq_error=0.0,
verbose=False,
log=False,
)
self.analog_simple_squelch = analog.simple_squelch_cc(
squelch_threshold, 0.1)
##################################################
# Connections
##################################################
self.connect((self.freq_xlating_fir_filter_lp, 0),
(self.digital_gmsk_demod_0, 0))
self.connect((self.digital_gmsk_demod_0, 0),
(self.unpacked_to_packed, 0))
self.connect((self.unpacked_to_packed, 0), (self.message_sink, 0))
self.connect((self.osmosdr_source, 0), (self.analog_simple_squelch, 0))
self.connect((self.analog_simple_squelch, 0),
(self.freq_xlating_fir_filter_lp, 0))
def __init__(self, squelch_rate, squelch_threshold=-100):
alpha = 80.0 / squelch_rate
self.rf_squelch_block = analog.simple_squelch_cc(
squelch_threshold, alpha)
self.rf_probe_block = analog.probe_avg_mag_sqrd_c(0, alpha=alpha)
def __init__(self): gr.top_block.__init__(self) sdr_device = '' # Front end error_ppm = 40 freq_c0 = 869000000 # Modulation parameters sample_rate = 1200000 bit_rate = 50000 deviation = 25000 max_freq_error = 50000 decim = 2 squelch_threshold = -20 sync_word = "01010010110111010010" # preamble + 2dd2 # Source self.src = osmosdr.source(sdr_device) self.src.set_sample_rate(sample_rate) self.src.set_center_freq(freq_c0) self.src.set_freq_corr(error_ppm) self.src.set_dc_offset_mode(0, 0) self.src.set_iq_balance_mode(0, 0) self.src.set_gain_mode(False, 0) self.src.set_gain(20, 0) self.src.set_if_gain(20, 0) self.src.set_bb_gain(20, 0) # Channel filter (bandwidth is relative to centre of channel so /2 bandwidth = 2. * (deviation + bit_rate / 2) filter_taps = gr_filter.firdes.low_pass(1, sample_rate, max_freq_error + bandwidth / 2., bit_rate / 2., gr_filter.firdes.WIN_BLACKMAN, 6.76) self.filt = gr_filter.freq_xlating_fir_filter_ccc(decim, filter_taps, 0.0, sample_rate) # FSK demod m = 2. * deviation / bit_rate # Modulation index demod_gain = float(sample_rate) / decim / bit_rate / (pi * m) squelch = gr_analog.simple_squelch_cc(squelch_threshold, 1.) demod = gr_analog.quadrature_demod_cf(demod_gain) # AM demod (RSSI) ctof = gr_blocks.complex_to_mag() # Clock recovery and slicer gain_mu = 0.175 gain_omega = 0.25 * gain_mu * gain_mu omega_rel_limit = 0.005 clock = gr_digital.clock_recovery_mm_ff(sample_rate / decim / bit_rate, gain_omega, 0.5, gain_mu, omega_rel_limit) slicer = gr_digital.binary_slicer_fb() sync = gr_digital.correlate_access_code_bb(sync_word, 0) # Sink to queue self.queue = gr.msg_queue() self.watcher = queue_thread(self.queue, None) sink = gr_blocks.message_sink(gr.sizeof_char, self.queue, False) # GUI elements fft = qtgui.freq_sink_c(512, gr_filter.firdes.WIN_BLACKMAN, freq_c0, sample_rate/decim, "Spectrum", 1) fft.enable_grid(True) fft.set_line_label(0, 'Signal') qtfft = sip.wrapinstance(fft.pyqwidget(), Qt.QWidget) self.qtwidgets.append(qtfft) plot = qtgui.time_sink_f(int(0.1 * sample_rate / decim), sample_rate / decim, "Scope", 2) plot.enable_grid(True) plot.set_update_time(0.1) plot.set_y_axis(-2, 2) plot.set_line_label(0, 'RSSI') plot.set_line_label(1, 'FSK') plot.set_trigger_mode(qtgui.TRIG_MODE_AUTO, qtgui.TRIG_SLOPE_POS, 0.1, 0, 0, '') qtplot = sip.wrapinstance(plot.pyqwidget(), Qt.QWidget) self.qtwidgets.append(qtplot) plot2 = qtgui.time_sink_f(int(0.005 * sample_rate / decim), sample_rate / decim, "Packet View", 1) plot2.enable_grid(True) plot2.set_update_time(0.1) plot2.set_y_axis(-2, 2) plot2.set_line_label(0, 'FSK') plot2.set_trigger_mode(qtgui.TRIG_MODE_AUTO, qtgui.TRIG_SLOPE_POS, 0.1, 0, 0, '') qtplot2 = sip.wrapinstance(plot2.pyqwidget(), Qt.QWidget) self.qtwidgets.append(qtplot2) # Flowgraph self.connect(self.src, self.filt, squelch, demod, clock, slicer, sync, sink) self.connect(self.src, fft) self.connect(demod, (plot, 0)) self.connect(self.filt, ctof, (plot, 1)) self.connect(demod, (plot2, 0))
def _setup_top_block(self):
self.tb = gr.top_block()
samp_rate = 96000
oversample = 10
# Radio receiver, initial downsampling
args = "rtl=%d,buffers=16" % (self.device,)
if self.osmosdr_args:
args += ",%s" % (self.osmosdr_args,)
osmosdr_source = osmosdr.source(args=args)
osmosdr_source.set_sample_rate(samp_rate * oversample)
osmosdr_source.set_center_freq(self.freq, 0)
osmosdr_source.set_freq_corr(0, 0)
osmosdr_source.set_gain_mode(1, 0)
osmosdr_source.set_gain(0, 0)
taps = filter.firdes.low_pass(1, samp_rate * oversample, 90e3, 8e3, filter.firdes.WIN_HAMMING, 6.76)
low_pass_filter = filter.fir_filter_ccf(oversample, taps)
self.tb.connect((osmosdr_source, 0), (low_pass_filter, 0))
# Squelch
self.noise_probe = analog.probe_avg_mag_sqrd_c(0, 1.0 / samp_rate / 1e2)
self.squelch = analog.simple_squelch_cc(self.noise_level, 1)
noise_probe_thread = threading.Thread(target=self._noise_probe_thread)
noise_probe_thread.start()
self.threads.append(noise_probe_thread)
self.tb.connect((low_pass_filter, 0), (self.noise_probe, 0))
self.tb.connect((low_pass_filter, 0), (self.squelch, 0))
# FM demodulation
quadrature_demod = analog.quadrature_demod_cf(1)
self.tb.connect((self.squelch, 0), (quadrature_demod, 0))
# Binary slicing, transformation into capture-compatible format
add_offset = blocks.add_const_vff((-1e-3,))
binary_slicer = digital.binary_slicer_fb()
char_to_float = blocks.char_to_float(1, 1)
multiply_const = blocks.multiply_const_vff((255,))
float_to_uchar = blocks.float_to_uchar()
pipe_sink = blocks.file_sink(gr.sizeof_char * 1, self.pipe)
pipe_sink.set_unbuffered(False)
self.tb.connect((quadrature_demod, 0), (add_offset, 0))
self.tb.connect((add_offset, 0), (binary_slicer, 0))
self.tb.connect((binary_slicer, 0), (char_to_float, 0))
self.tb.connect((char_to_float, 0), (multiply_const, 0))
self.tb.connect((multiply_const, 0), (float_to_uchar, 0))
self.tb.connect((float_to_uchar, 0), (pipe_sink, 0))
def __init__(self, args, spec, antenna, gain, audio_output):
gr.hier_block2.__init__(self, "receive_path",
gr.io_signature(0, 0, 0), # Input signature
gr.io_signature(0, 0, 0)) # Output signature
self.u = uhd.usrp_source(device_addr=args, stream_args=uhd.stream_args('fc32'))
# Set the subdevice spec
if(spec):
self.u.set_subdev_spec(spec, 0)
# Set the antenna
if(antenna):
self.u.set_antenna(antenna, 0)
self.if_rate = 256e3
self.quad_rate = 64e3
self.audio_rate = 32e3
self.u.set_samp_rate(self.if_rate)
dev_rate = self.u.get_samp_rate()
# Create filter to get actual channel we want
nfilts = 32
chan_coeffs = filter.firdes.low_pass(nfilts, # gain
nfilts*dev_rate, # sampling rate
8e3, # low pass cutoff freq
2e3, # width of trans. band
filter.firdes.WIN_HANN) # filter type
rrate = self.quad_rate / dev_rate
self.resamp = filter.pfb.arb_resampler_ccf(rrate, chan_coeffs, nfilts)
if USE_SIMPLE_SQUELCH:
self.squelch = analog.simple_squelch_cc(20)
else:
self.squelch = analog.standard_squelch(self.audio_rate)
# instantiate the guts of the single channel receiver
self.fmrx = analog.nbfm_rx(self.audio_rate, self.quad_rate)
# audio gain / mute block
self._audio_gain = blocks.multiply_const_ff(1.0)
# sound card as final sink
audio_sink = audio.sink (int(self.audio_rate), audio_output)
# now wire it all together
if USE_SIMPLE_SQUELCH:
self.connect (self.u, self.resamp, self.squelch, self.fmrx,
self._audio_gain, audio_sink)
else:
self.connect (self.u, self.resamp, self.fmrx, self.squelch,
self._audio_gain, audio_sink)
if gain is None:
# if no gain was specified, use the mid-point in dB
g = self.u.get_gain_range()
gain = float(g.start()+g.stop())/2
self.set_gain(gain)
v = self.volume_range()
self.set_volume((v[0]+v[1])/2)
s = self.squelch_range()
self.set_squelch((s[0]+s[1])/2)
def __init__(self):
gr.top_block.__init__(self, "NBFM_transceiver")
Qt.QWidget.__init__(self)
self.setWindowTitle("NBFM_transceiver")
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", "NBFM_transceiver")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 48000
self.rx_freq = rx_freq = 141050000
self.offset = offset = 5000000
self.tx_gain = tx_gain = 15
self.tx_freq = tx_freq = rx_freq - offset
self.sqch = sqch = -60
self.sdr_samp_rate = sdr_samp_rate = samp_rate * 12
self.rx_tx = rx_tx = 0
self.rx_gain = rx_gain = 10
self.rx_freq_fine = rx_freq_fine = 0
self.rx_aud = rx_aud = 0.300
##################################################
# Blocks
##################################################
self._tx_gain_range = Range(0, 90, 1, 15, 200)
self._tx_gain_win = RangeWidget(self._tx_gain_range, self.set_tx_gain,
'tx_gain', "counter_slider", float)
self.top_grid_layout.addWidget(self._tx_gain_win, 2, 2, 1, 1)
for r in range(2, 3):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(2, 3):
self.top_grid_layout.setColumnStretch(c, 1)
self._sqch_range = Range(-110, -50, 1, -60, 200)
self._sqch_win = RangeWidget(self._sqch_range, self.set_sqch,
'rx_sqlch', "counter_slider", float)
self.top_grid_layout.addWidget(self._sqch_win, 3, 0, 1, 1)
for r in range(3, 4):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 1):
self.top_grid_layout.setColumnStretch(c, 1)
self._sdr_samp_rate_range = Range(520833, 61440000, 100000,
samp_rate * 12, 200)
self._sdr_samp_rate_win = RangeWidget(self._sdr_samp_rate_range,
self.set_sdr_samp_rate,
'sdr_sample_rate',
"counter_slider", float)
self.top_grid_layout.addWidget(self._sdr_samp_rate_win, 0, 1, 1, 1)
for r in range(0, 1):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(1, 2):
self.top_grid_layout.setColumnStretch(c, 1)
self._rx_tx_options = (
0,
1,
)
self._rx_tx_labels = (
'RX',
'TX',
)
self._rx_tx_group_box = Qt.QGroupBox('rx_tx_pushbutton')
self._rx_tx_box = Qt.QHBoxLayout()
class variable_chooser_button_group(Qt.QButtonGroup):
def __init__(self, parent=None):
Qt.QButtonGroup.__init__(self, parent)
@pyqtSlot(int)
def updateButtonChecked(self, button_id):
self.button(button_id).setChecked(True)
self._rx_tx_button_group = variable_chooser_button_group()
self._rx_tx_group_box.setLayout(self._rx_tx_box)
for i, label in enumerate(self._rx_tx_labels):
radio_button = Qt.QRadioButton(label)
self._rx_tx_box.addWidget(radio_button)
self._rx_tx_button_group.addButton(radio_button, i)
self._rx_tx_callback = lambda i: Qt.QMetaObject.invokeMethod(
self._rx_tx_button_group, "updateButtonChecked",
Qt.Q_ARG("int", self._rx_tx_options.index(i)))
self._rx_tx_callback(self.rx_tx)
self._rx_tx_button_group.buttonClicked[int].connect(
lambda i: self.set_rx_tx(self._rx_tx_options[i]))
self.top_grid_layout.addWidget(self._rx_tx_group_box, 0, 0, 1, 1)
for r in range(0, 1):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 1):
self.top_grid_layout.setColumnStretch(c, 1)
self._rx_gain_range = Range(0, 50, 1, 10, 200)
self._rx_gain_win = RangeWidget(self._rx_gain_range, self.set_rx_gain,
'rx_gain', "counter_slider", float)
self.top_grid_layout.addWidget(self._rx_gain_win, 2, 0, 1, 1)
for r in range(2, 3):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 1):
self.top_grid_layout.setColumnStretch(c, 1)
self._rx_freq_range = Range(88000000, 174000000, 25000, 141050000, 200)
self._rx_freq_win = RangeWidget(self._rx_freq_range, self.set_rx_freq,
'rx_freq', "counter_slider", float)
self.top_grid_layout.addWidget(self._rx_freq_win, 1, 0, 1, 2)
for r in range(1, 2):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 2):
self.top_grid_layout.setColumnStretch(c, 1)
self._rx_aud_range = Range(0, 0.5, 0.05, 0.300, 200)
self._rx_aud_win = RangeWidget(self._rx_aud_range, self.set_rx_aud,
'rx_audio_gain', "counter_slider",
float)
self.top_grid_layout.addWidget(self._rx_aud_win, 2, 1, 1, 1)
for r in range(2, 3):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(1, 2):
self.top_grid_layout.setColumnStretch(c, 1)
self._offset_options = (
5000000,
600000,
)
self._offset_labels = (
'5Mhz',
'600kHz',
)
self._offset_tool_bar = Qt.QToolBar(self)
self._offset_tool_bar.addWidget(Qt.QLabel('rx_tx_offset' + ": "))
self._offset_combo_box = Qt.QComboBox()
self._offset_tool_bar.addWidget(self._offset_combo_box)
for label in self._offset_labels:
self._offset_combo_box.addItem(label)
self._offset_callback = lambda i: Qt.QMetaObject.invokeMethod(
self._offset_combo_box, "setCurrentIndex",
Qt.Q_ARG("int", self._offset_options.index(i)))
self._offset_callback(self.offset)
self._offset_combo_box.currentIndexChanged.connect(
lambda i: self.set_offset(self._offset_options[i]))
self.top_grid_layout.addWidget(self._offset_tool_bar, 0, 2, 1, 1)
for r in range(0, 1):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(2, 3):
self.top_grid_layout.setColumnStretch(c, 1)
self._tx_freq_tool_bar = Qt.QToolBar(self)
if None:
self._tx_freq_formatter = None
else:
self._tx_freq_formatter = lambda x: eng_notation.num_to_str(x)
self._tx_freq_tool_bar.addWidget(Qt.QLabel('tx_freq' + ": "))
self._tx_freq_label = Qt.QLabel(
str(self._tx_freq_formatter(self.tx_freq)))
self._tx_freq_tool_bar.addWidget(self._tx_freq_label)
self.top_grid_layout.addWidget(self._tx_freq_tool_bar, 1, 2, 1, 1)
for r in range(1, 2):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(2, 3):
self.top_grid_layout.setColumnStretch(c, 1)
self._rx_freq_fine_range = Range(-10000, 10000, 100, 0, 200)
self._rx_freq_fine_win = RangeWidget(self._rx_freq_fine_range,
self.set_rx_freq_fine,
'rx_freq_fine', "counter_slider",
float)
self.top_grid_layout.addWidget(self._rx_freq_fine_win, 3, 1, 1, 1)
for r in range(3, 4):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(1, 2):
self.top_grid_layout.setColumnStretch(c, 1)
self.rational_resampler_xxx_0_1 = filter.rational_resampler_ccf(
interpolation=samp_rate,
decimation=sdr_samp_rate,
taps=None,
fractional_bw=None,
)
self.rational_resampler_xxx_0_0 = filter.rational_resampler_ccc(
interpolation=samp_rate,
decimation=sdr_samp_rate,
taps=None,
fractional_bw=None,
)
self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=sdr_samp_rate,
decimation=samp_rate,
taps=None,
fractional_bw=None,
)
self.qtgui_sink_x_0 = qtgui.sink_c(
256, #fftsize
firdes.WIN_HAMMING, #wintype
rx_freq, #fc
25000, #bw
"", #name
True, #plotfreq
True, #plotwaterfall
False, #plottime
True, #plotconst
)
self.qtgui_sink_x_0.set_update_time(1.0 / 10)
self._qtgui_sink_x_0_win = sip.wrapinstance(
self.qtgui_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_sink_x_0_win, 4, 0, 6, 3)
for r in range(4, 10):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 3):
self.top_grid_layout.setColumnStretch(c, 1)
self.qtgui_sink_x_0.enable_rf_freq(True)
self.pluto_source_0 = iio.pluto_source('', rx_freq, sdr_samp_rate,
15000, 0x4000, True, True, True,
"manual",
rx_gain * ((-rx_tx) + 1), '',
True)
self.pluto_sink_0 = iio.pluto_sink('192.168.2.1', rx_freq - offset,
sdr_samp_rate, 5000, 0x4000, False,
-tx_gain * (rx_tx), '', True)
self.low_pass_filter_1 = filter.fir_filter_fff(
1,
firdes.low_pass(1, samp_rate, 20000, 500, firdes.WIN_HAMMING,
6.76))
self.low_pass_filter_0_0 = filter.fir_filter_ccf(
1,
firdes.low_pass(1, samp_rate, 10e3, 2e3, firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_0 = filter.fir_filter_ccf(
1,
firdes.low_pass(1, samp_rate, 16000, 200, firdes.WIN_HAMMING,
6.76))
self.blocks_multiply_xx_1 = blocks.multiply_vff(1)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff(
(rx_aud * (-(rx_tx) + 1), ))
self.audio_sink_0 = audio.sink(48000,
"Speakers (Conexant SmartAudio HD)",
True)
self.analog_simple_squelch_cc_0 = analog.simple_squelch_cc(sqch, 1)
self.analog_sig_source_x_0_0_0 = analog.sig_source_f(
samp_rate, analog.GR_COS_WAVE, 0, 1, 0)
self.analog_sig_source_x_0_0 = analog.sig_source_c(
sdr_samp_rate, analog.GR_COS_WAVE, 0, 1, 0)
self.analog_nbfm_tx_0 = analog.nbfm_tx(
audio_rate=samp_rate,
quad_rate=samp_rate,
tau=75e-6,
max_dev=5e3,
fh=-1.0,
)
self.analog_nbfm_rx_0 = analog.nbfm_rx(
audio_rate=48000,
quad_rate=48000,
tau=50e-6,
max_dev=12.5e3,
)
self.Internal_Microphone = audio.source(48000, '', True)
##################################################
# Connections
##################################################
self.connect((self.Internal_Microphone, 0),
(self.low_pass_filter_1, 0))
self.connect((self.analog_nbfm_rx_0, 0),
(self.blocks_multiply_const_vxx_0, 0))
self.connect((self.analog_nbfm_tx_0, 0), (self.low_pass_filter_0, 0))
self.connect((self.analog_sig_source_x_0_0, 0),
(self.blocks_multiply_xx_0, 1))
self.connect((self.analog_sig_source_x_0_0_0, 0),
(self.blocks_multiply_xx_1, 1))
self.connect((self.analog_simple_squelch_cc_0, 0),
(self.analog_nbfm_rx_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.audio_sink_0, 0))
self.connect((self.blocks_multiply_xx_0, 0),
(self.rational_resampler_xxx_0_0, 0))
self.connect((self.blocks_multiply_xx_0, 0),
(self.rational_resampler_xxx_0_1, 0))
self.connect((self.blocks_multiply_xx_1, 0),
(self.analog_nbfm_tx_0, 0))
self.connect((self.low_pass_filter_0, 0),
(self.rational_resampler_xxx_0, 0))
self.connect((self.low_pass_filter_0_0, 0),
(self.analog_simple_squelch_cc_0, 0))
self.connect((self.low_pass_filter_1, 0),
(self.blocks_multiply_xx_1, 0))
self.connect((self.pluto_source_0, 0), (self.blocks_multiply_xx_0, 0))
self.connect((self.rational_resampler_xxx_0, 0),
(self.pluto_sink_0, 0))
self.connect((self.rational_resampler_xxx_0_0, 0),
(self.low_pass_filter_0_0, 0))
self.connect((self.rational_resampler_xxx_0_1, 0),
(self.qtgui_sink_x_0, 0))
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="B200 VHF NBFM transceiver")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Variables
##################################################
self.tx_rx_choice = tx_rx_choice = 1
self.tx_gain = tx_gain = .615
self.tune_minus_20 = tune_minus_20 = 0
self.tune_minus_10 = tune_minus_10 = 0
self.tune_20 = tune_20 = 0
self.tune_10 = tune_10 = 0
self.tone = tone = 100
self.squelch = squelch = -70.32
self.samp_rate = samp_rate = 4000000
self.rx_offset = rx_offset = 0
self.rit_tune = rit_tune = 0
self.offset = offset = 600000
self.chooser_fm = chooser_fm = 147.34e6
self.audio_gain = audio_gain = .7
##################################################
# Blocks
##################################################
self._tx_rx_choice_chooser = forms.button(
parent=self.GetWin(),
value=self.tx_rx_choice,
callback=self.set_tx_rx_choice,
label="TX-RX",
choices=[0, 1],
labels=['TX', 'RX'],
)
self.GridAdd(self._tx_rx_choice_chooser, 0, 3, 1, 1)
_tx_gain_sizer = wx.BoxSizer(wx.VERTICAL)
self._tx_gain_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_tx_gain_sizer,
value=self.tx_gain,
callback=self.set_tx_gain,
label="TX Gain: 144= .6, 220= .70, 440= .72",
converter=forms.float_converter(),
proportion=0,
)
self._tx_gain_slider = forms.slider(
parent=self.GetWin(),
sizer=_tx_gain_sizer,
value=self.tx_gain,
callback=self.set_tx_gain,
minimum=.6,
maximum=.75,
num_steps=1000,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_tx_gain_sizer)
self._tune_minus_20_chooser = forms.button(
parent=self.GetWin(),
value=self.tune_minus_20,
callback=self.set_tune_minus_20,
label="-20 Tune",
choices=[0, 20e3, 40e3, 60e3, 80e3, 100e3, 120e3, 140e3, 0],
labels=[0, -20, -40, -60, -80, -100, -120, -140, 0],
)
self.GridAdd(self._tune_minus_20_chooser, 0, 1, 1, 1)
self._tune_minus_10_chooser = forms.button(
parent=self.GetWin(),
value=self.tune_minus_10,
callback=self.set_tune_minus_10,
label="-10 Tune",
choices=[0,-10e3, -20e3, -30e3, -40e3,-50e3,0],
labels=[0, -10, -20, -30, -40,-50,0],
)
self.GridAdd(self._tune_minus_10_chooser, 1, 1, 1, 1)
self._tune_20_chooser = forms.button(
parent=self.GetWin(),
value=self.tune_20,
callback=self.set_tune_20,
label="+20 Tune",
choices=[0, 20e3, 40e3, 60e3, 80e3, 100e3, 120e3, 140e3,0],
labels=[0, '+20', '+40', '+60', '+80', '+100', '+120', '+140','0'],
)
self.GridAdd(self._tune_20_chooser, 0, 0, 1, 1)
self._tune_10_chooser = forms.button(
parent=self.GetWin(),
value=self.tune_10,
callback=self.set_tune_10,
label="+10 Tune",
choices=[0,10e3, 20e3, 30e3, 40e3,50e3,0],
labels=[0,'+10', '+20', '+30', '+40','+50','0'],
)
self.GridAdd(self._tune_10_chooser, 1, 0, 1, 1)
self._tone_chooser = forms.radio_buttons(
parent=self.GetWin(),
value=self.tone,
callback=self.set_tone,
label="CTCSS",
choices=[100,103.5, 110.9, 118.8, 123.0,127.3,179.5],
labels=['100', '103.5', '110.9','118.8', '123.0', '127.3','179.5'],
style=wx.RA_HORIZONTAL,
)
self.GridAdd(self._tone_chooser, 0, 5, 1, 1)
_squelch_sizer = wx.BoxSizer(wx.VERTICAL)
self._squelch_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_squelch_sizer,
value=self.squelch,
callback=self.set_squelch,
label="Squelch",
converter=forms.float_converter(),
proportion=0,
)
self._squelch_slider = forms.slider(
parent=self.GetWin(),
sizer=_squelch_sizer,
value=self.squelch,
callback=self.set_squelch,
minimum=-95,
maximum=-55,
num_steps=1000,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_squelch_sizer, 0, 6, 1, 1)
self._rx_offset_chooser = forms.radio_buttons(
parent=self.GetWin(),
value=self.rx_offset,
callback=self.set_rx_offset,
label="RX offset",
choices=[0, 600000, -600000,5e6],
labels=['0', '+', '-','+5M'],
style=wx.RA_HORIZONTAL,
)
self.GridAdd(self._rx_offset_chooser, 1, 6, 1, 1)
_rit_tune_sizer = wx.BoxSizer(wx.VERTICAL)
self._rit_tune_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_rit_tune_sizer,
value=self.rit_tune,
callback=self.set_rit_tune,
label="RIT",
converter=forms.float_converter(),
proportion=0,
)
self._rit_tune_slider = forms.slider(
parent=self.GetWin(),
sizer=_rit_tune_sizer,
value=self.rit_tune,
callback=self.set_rit_tune,
minimum=-30e3,
maximum=+30e3,
num_steps=1000,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_rit_tune_sizer, 1, 2, 1, 3)
self._offset_chooser = forms.radio_buttons(
parent=self.GetWin(),
value=self.offset,
callback=self.set_offset,
label="TX offset",
choices=[600000, -600000, 0,5e6],
labels=['+', '-', '0','5MHz'],
style=wx.RA_HORIZONTAL,
)
self.GridAdd(self._offset_chooser, 0, 4, 1, 1)
self._chooser_fm_chooser = forms.radio_buttons(
parent=self.GetWin(),
value=self.chooser_fm,
callback=self.set_chooser_fm,
label="Preset",
choices=[145.13e6,145.33e6, 145.88e6, 146.46e6, 146.49e6, 146.52e6,146.58e6, 146.64e6,146.74e6, 146.82e6, 146.86e6, 146.92e6, 146.96e6, 147.0e6,147.06e6, 147.08e6, 147.20e6, 147.22e6, 147.34e6, 223.5e6,441.825e6, 432.25e6],
labels=[145.13,145.33, 145.88, 146.46, 146.49, 146.52, 146.58, 146.64, 146.74, 146.82, 146.860, 146.92, 146.96, 147.00, 147.06, 147.08,147.200, 147.220, 147.34, 223.5,441.825, 432.25],
style=wx.RA_HORIZONTAL,
)
self.Add(self._chooser_fm_chooser)
_audio_gain_sizer = wx.BoxSizer(wx.VERTICAL)
self._audio_gain_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_audio_gain_sizer,
value=self.audio_gain,
callback=self.set_audio_gain,
label="Audio gain",
converter=forms.float_converter(),
proportion=0,
)
self._audio_gain_slider = forms.slider(
parent=self.GetWin(),
sizer=_audio_gain_sizer,
value=self.audio_gain,
callback=self.set_audio_gain,
minimum=.1,
maximum=4,
num_steps=1000,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_audio_gain_sizer, 0, 2, 1, 1)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.GetWin(),
baseband_freq=(((((chooser_fm+tune_20)-tune_minus_20)+tune_10)+tune_minus_10)+rx_offset),
y_per_div=5,
y_divs=16,
ref_level=-55,
ref_scale=2.0,
sample_rate=samp_rate/2,
fft_size=1024*0+2048*0+4096,
fft_rate=12,
average=True,
avg_alpha=.4,
title="RF Bandpass",
peak_hold=False,
)
self.GridAdd(self.wxgui_fftsink2_0.win, 2, 0, 5, 14)
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((((((chooser_fm+tune_20)-tune_minus_20)+tune_10)+tune_minus_10)+rx_offset)-10e3, 0)
self.uhd_usrp_source_0.set_normalized_gain(.520*.8, 0)
self.uhd_usrp_source_0.set_antenna("RX2", 0)
self.uhd_usrp_source_0.set_bandwidth(1.99e6, 0)
self.uhd_usrp_sink_1 = uhd.usrp_sink(
",".join(("", "")),
uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_sink_1.set_samp_rate(320000)
self.uhd_usrp_sink_1.set_center_freq((((((chooser_fm+offset)+tune_20)-tune_minus_20)+tune_10)+tune_minus_10)+rit_tune, 0)
self.uhd_usrp_sink_1.set_normalized_gain((.83*0+.72)*0+tx_gain, 0)
self.uhd_usrp_sink_1.set_antenna("TX/RX", 0)
self.uhd_usrp_sink_1.set_bandwidth(200000, 0)
self.rational_resampler_xxx_1 = filter.rational_resampler_ccc(
interpolation=32000,
decimation=40000,
taps=None,
fractional_bw=None,
)
self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=samp_rate/2,
decimation=samp_rate,
taps=None,
fractional_bw=None,
)
self.pfb_decimator_ccf_0 = pfb.decimator_ccf(
2,
(firdes.low_pass(.1, (samp_rate), (samp_rate)/4.05,10e3)),
0,
100,
True,
True)
self.pfb_decimator_ccf_0.declare_sample_delay(0)
self.low_pass_filter_1 = filter.fir_filter_fff(1, firdes.low_pass(
1, 32000, 4400, 300, firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_0 = filter.fir_filter_fff(1, firdes.low_pass(
1, 32000, 4500, 600, firdes.WIN_HAMMING, 6.76))
self.high_pass_filter_0 = filter.fir_filter_fff(1, firdes.high_pass(
1, 32000, 300, 100, firdes.WIN_HAMMING, 6.76))
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(50, (firdes.low_pass(1,samp_rate/2,18e3,600)), 0+rit_tune+10e3, samp_rate/2)
self.blocks_null_source_0 = blocks.null_source(gr.sizeof_gr_complex*1)
self.blocks_multiply_const_vxx_2 = blocks.multiply_const_vcc((.8, ))
self.blocks_multiply_const_vxx_1 = blocks.multiply_const_vff((125, ))
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((audio_gain*tx_rx_choice, ))
self.blocks_add_xx_1 = blocks.add_vff(1)
self.blks2_selector_0_1 = grc_blks2.selector(
item_size=gr.sizeof_gr_complex*1,
num_inputs=2,
num_outputs=1,
input_index=1+(tx_rx_choice),
output_index=0,
)
self.audio_source_1 = audio.source(32000, "", True)
self.audio_sink_0 = audio.sink(32000, "", True)
self.analog_simple_squelch_cc_0 = analog.simple_squelch_cc(squelch, .0001)
self.analog_sig_source_x_0 = analog.sig_source_f(32000, analog.GR_COS_WAVE, tone, .091, 0)
self.analog_nbfm_tx_1 = analog.nbfm_tx(
audio_rate=32000,
quad_rate=320000,
tau=(75e-6)*0+90e-6,
max_dev=5e3,
)
self.analog_nbfm_rx_0 = analog.nbfm_rx(
audio_rate=32000,
quad_rate=32000,
tau=75e-6,
max_dev=5e3,
)
self.analog_fm_preemph_0 = analog.fm_preemph(fs=32e3, tau=75e-6)
self.analog_fm_deemph_0 = analog.fm_deemph(fs=32000, tau=75e-6)
##################################################
# Connections
##################################################
self.connect((self.analog_fm_deemph_0, 0), (self.low_pass_filter_1, 0))
self.connect((self.analog_fm_preemph_0, 0), (self.blocks_add_xx_1, 0))
self.connect((self.analog_nbfm_rx_0, 0), (self.analog_fm_deemph_0, 0))
self.connect((self.analog_nbfm_tx_1, 0), (self.blocks_multiply_const_vxx_2, 0))
self.connect((self.analog_sig_source_x_0, 0), (self.blocks_add_xx_1, 1))
self.connect((self.analog_simple_squelch_cc_0, 0), (self.rational_resampler_xxx_1, 0))
self.connect((self.audio_source_1, 0), (self.blocks_multiply_const_vxx_1, 0))
self.connect((self.blks2_selector_0_1, 0), (self.uhd_usrp_sink_1, 0))
self.connect((self.blocks_add_xx_1, 0), (self.analog_nbfm_tx_1, 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.high_pass_filter_0, 0))
self.connect((self.blocks_multiply_const_vxx_2, 0), (self.blks2_selector_0_1, 1))
self.connect((self.blocks_null_source_0, 0), (self.blks2_selector_0_1, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.analog_simple_squelch_cc_0, 0))
self.connect((self.high_pass_filter_0, 0), (self.low_pass_filter_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.analog_fm_preemph_0, 0))
self.connect((self.low_pass_filter_1, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self.pfb_decimator_ccf_0, 0), (self.wxgui_fftsink2_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
self.connect((self.rational_resampler_xxx_1, 0), (self.analog_nbfm_rx_0, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.pfb_decimator_ccf_0, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.rational_resampler_xxx_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Top Block")
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 2000000
self.decimation = decimation = 10
self.symbol_rate = symbol_rate = 38400
self.input_rate = input_rate = samp_rate / decimation
self.window_symbols = window_symbols = 1
self.symbol_taps_length = symbol_taps_length = int(
(float(input_rate) / symbol_rate))
self.samples_per_symbol = samples_per_symbol = float(
input_rate) / symbol_rate
self.grab_freq = grab_freq = 868200000
self.symbol_taps = symbol_taps = (1, ) * symbol_taps_length
self.offset_sign2 = offset_sign2 = (-34780 * grab_freq) / 868200000
self.offset_sign1 = offset_sign1 = (11600 * grab_freq) / 868200000
self.gain_mu = gain_mu = 0.4 / samples_per_symbol
self.fsk_deviation_hz = fsk_deviation_hz = 5200
self.average_window = average_window = int(
(input_rate * window_symbols / symbol_rate))
##################################################
# Blocks
##################################################
self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff(
samples_per_symbol * (1 + 0.0), 0.25 * gain_mu * gain_mu, 0.5,
gain_mu, 0.02)
self.digital_binary_slicer_fb_0_0 = digital.binary_slicer_fb()
self.blocks_uchar_to_float_0 = blocks.uchar_to_float()
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1,
samp_rate, True)
self.blocks_moving_average_xx_0 = blocks.moving_average_ff(
average_window, 1.0 / average_window, 4000)
self.blocks_float_to_complex_0 = blocks.float_to_complex(1)
self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char * 1,
sys.argv[1], False)
self.blocks_file_sink_0 = blocks.file_sink(
gr.sizeof_char * 1, '/home/fraschi/gfskQuadDemod.data', False)
self.blocks_file_sink_0.set_unbuffered(False)
self.blocks_deinterleave_0 = blocks.deinterleave(
gr.sizeof_float * 1, 1)
self.blocks_add_const_vxx_0 = blocks.add_const_vcc((-128 - 128j, ))
self.analog_simple_squelch_cc_0 = analog.simple_squelch_cc(40, 1)
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(1)
self.FXFIR1 = filter.freq_xlating_fir_filter_ccc(
decimation, (1, ), -14e3, samp_rate)
##################################################
# Connections
##################################################
self.connect((self.FXFIR1, 0), (self.analog_simple_squelch_cc_0, 0))
self.connect((self.analog_quadrature_demod_cf_0, 0),
(self.blocks_moving_average_xx_0, 0))
self.connect((self.analog_simple_squelch_cc_0, 0),
(self.analog_quadrature_demod_cf_0, 0))
self.connect((self.blocks_add_const_vxx_0, 0),
(self.blocks_throttle_0, 0))
self.connect((self.blocks_deinterleave_0, 0),
(self.blocks_float_to_complex_0, 0))
self.connect((self.blocks_deinterleave_0, 1),
(self.blocks_float_to_complex_0, 1))
self.connect((self.blocks_file_source_0, 0),
(self.blocks_uchar_to_float_0, 0))
self.connect((self.blocks_float_to_complex_0, 0),
(self.blocks_add_const_vxx_0, 0))
self.connect((self.blocks_moving_average_xx_0, 0),
(self.digital_clock_recovery_mm_xx_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.FXFIR1, 0))
self.connect((self.blocks_uchar_to_float_0, 0),
(self.blocks_deinterleave_0, 0))
self.connect((self.digital_binary_slicer_fb_0_0, 0),
(self.blocks_file_sink_0, 0))
self.connect((self.digital_clock_recovery_mm_xx_0, 0),
(self.digital_binary_slicer_fb_0_0, 0))
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="narrow fm demod on high freq police radio bands")
_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 = 2400000
self.rx_freq = rx_freq = 854.388e6
self.rx_fine = rx_fine = 0
self.rx_coarse = rx_coarse = 0
self.xlate_filter_taps = xlate_filter_taps = firdes.low_pass(1, samp_rate, 125000, 25000, firdes.WIN_HAMMING, 6.76)
self.width = width = 12500
self.variable_chooser_1 = variable_chooser_1 = 1
self.tv_freq = tv_freq = 500.25e6
self.trans = trans = 25000
self.squelch = squelch = -55
self.sql_lev = sql_lev = -20
self.rx_freq_val = rx_freq_val = rx_freq+(rx_coarse+rx_fine)
self.freq = freq = 155e6
self.dev = dev = 7500
self.decimation = decimation = 50
self.af_gain = af_gain = 1
##################################################
# Blocks
##################################################
_width_sizer = wx.BoxSizer(wx.VERTICAL)
self._width_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_width_sizer,
value=self.width,
callback=self.set_width,
label="LP Filter",
converter=forms.float_converter(),
proportion=0,
)
self._width_slider = forms.slider(
parent=self.GetWin(),
sizer=_width_sizer,
value=self.width,
callback=self.set_width,
minimum=2000,
maximum=40000,
num_steps=760,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_width_sizer, 2, 4, 1, 4)
_trans_sizer = wx.BoxSizer(wx.VERTICAL)
self._trans_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_trans_sizer,
value=self.trans,
callback=self.set_trans,
label="LP Trans",
converter=forms.float_converter(),
proportion=0,
)
self._trans_slider = forms.slider(
parent=self.GetWin(),
sizer=_trans_sizer,
value=self.trans,
callback=self.set_trans,
minimum=500,
maximum=50000,
num_steps=900,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_trans_sizer, 2, 8, 1, 4)
_squelch_sizer = wx.BoxSizer(wx.VERTICAL)
self._squelch_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_squelch_sizer,
value=self.squelch,
callback=self.set_squelch,
label="squelch level",
converter=forms.float_converter(),
proportion=0,
)
self._squelch_slider = forms.slider(
parent=self.GetWin(),
sizer=_squelch_sizer,
value=self.squelch,
callback=self.set_squelch,
minimum=-100,
maximum=0,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_squelch_sizer)
_rx_freq_sizer = wx.BoxSizer(wx.VERTICAL)
self._rx_freq_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_rx_freq_sizer,
value=self.rx_freq,
callback=self.set_rx_freq,
label="RX Center ",
converter=forms.float_converter(),
proportion=0,
)
self._rx_freq_slider = forms.slider(
parent=self.GetWin(),
sizer=_rx_freq_sizer,
value=self.rx_freq,
callback=self.set_rx_freq,
minimum=840000000,
maximum=860000000,
num_steps=1000,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_rx_freq_sizer, 0, 0, 1, 16)
_rx_fine_sizer = wx.BoxSizer(wx.VERTICAL)
self._rx_fine_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_rx_fine_sizer,
value=self.rx_fine,
callback=self.set_rx_fine,
label="RX Fine",
converter=forms.float_converter(),
proportion=0,
)
self._rx_fine_slider = forms.slider(
parent=self.GetWin(),
sizer=_rx_fine_sizer,
value=self.rx_fine,
callback=self.set_rx_fine,
minimum=0,
maximum=10000,
num_steps=1000,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_rx_fine_sizer, 1, 4, 1, 4)
_rx_coarse_sizer = wx.BoxSizer(wx.VERTICAL)
self._rx_coarse_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_rx_coarse_sizer,
value=self.rx_coarse,
callback=self.set_rx_coarse,
label="RX Offset",
converter=forms.float_converter(),
proportion=0,
)
self._rx_coarse_slider = forms.slider(
parent=self.GetWin(),
sizer=_rx_coarse_sizer,
value=self.rx_coarse,
callback=self.set_rx_coarse,
minimum=0,
maximum=1e6,
num_steps=1000,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_rx_coarse_sizer, 1, 0, 1, 4)
_dev_sizer = wx.BoxSizer(wx.VERTICAL)
self._dev_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_dev_sizer,
value=self.dev,
callback=self.set_dev,
label="NBFM deviation",
converter=forms.float_converter(),
proportion=0,
)
self._dev_slider = forms.slider(
parent=self.GetWin(),
sizer=_dev_sizer,
value=self.dev,
callback=self.set_dev,
minimum=4000,
maximum=16000,
num_steps=24,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_dev_sizer)
self.wxgui_waterfallsink2_1 = waterfallsink2.waterfall_sink_c(
self.GetWin(),
baseband_freq=rx_freq + rx_coarse + rx_fine,
dynamic_range=100,
ref_level=0,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=512,
fft_rate=15,
average=False,
avg_alpha=None,
title="Waterfall Plot",
)
self.Add(self.wxgui_waterfallsink2_1.win)
self._variable_chooser_1_chooser = forms.drop_down(
parent=self.GetWin(),
value=self.variable_chooser_1,
callback=self.set_variable_chooser_1,
label='variable_chooser_1',
choices=[1, 2, 3],
labels=[],
)
self.Add(self._variable_chooser_1_chooser)
_sql_lev_sizer = wx.BoxSizer(wx.VERTICAL)
self._sql_lev_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_sql_lev_sizer,
value=self.sql_lev,
callback=self.set_sql_lev,
label="SQL",
converter=forms.float_converter(),
proportion=0,
)
self._sql_lev_slider = forms.slider(
parent=self.GetWin(),
sizer=_sql_lev_sizer,
value=self.sql_lev,
callback=self.set_sql_lev,
minimum=-100,
maximum=100,
num_steps=200,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_sql_lev_sizer, 1, 12, 1, 4)
self._rx_freq_val_static_text = forms.static_text(
parent=self.GetWin(),
value=self.rx_freq_val,
callback=self.set_rx_freq_val,
label="Receive",
converter=forms.float_converter(),
)
self.GridAdd(self._rx_freq_val_static_text, 0, 16, 1, 1)
self.rtlsdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + "" )
self.rtlsdr_source_0.set_time_now(osmosdr.time_spec_t(time.time()), osmosdr.ALL_MBOARDS)
self.rtlsdr_source_0.set_sample_rate(samp_rate)
self.rtlsdr_source_0.set_center_freq(rx_freq, 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(10, 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.low_pass_filter_0 = filter.fir_filter_ccf(decimation, firdes.low_pass(
1, samp_rate, width, trans, firdes.WIN_HAMMING, 6.76))
self.audio_sink_0 = audio.sink(48000, "", True)
self.analog_simple_squelch_cc_0 = analog.simple_squelch_cc(squelch, 1)
self.analog_nbfm_rx_0 = analog.nbfm_rx(
audio_rate=48000,
quad_rate=48000,
tau=50e-6,
max_dev=dev,
)
_af_gain_sizer = wx.BoxSizer(wx.VERTICAL)
self._af_gain_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_af_gain_sizer,
value=self.af_gain,
callback=self.set_af_gain,
label="VOL",
converter=forms.float_converter(),
proportion=0,
)
self._af_gain_slider = forms.slider(
parent=self.GetWin(),
sizer=_af_gain_sizer,
value=self.af_gain,
callback=self.set_af_gain,
minimum=0,
maximum=5,
num_steps=50,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_af_gain_sizer, 2, 12, 1, 4)
##################################################
# Connections
##################################################
self.connect((self.analog_nbfm_rx_0, 0), (self.audio_sink_0, 0))
self.connect((self.analog_simple_squelch_cc_0, 0), (self.analog_nbfm_rx_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.analog_simple_squelch_cc_0, 0))
self.connect((self.rtlsdr_source_0, 0), (self.low_pass_filter_0, 0))
self.connect((self.rtlsdr_source_0, 0), (self.wxgui_waterfallsink2_1, 0))
def __init__(self, channel=908.4e6, gain=40):
gr.top_block.__init__(self, "Top Block")
##################################################
# Parameters
##################################################
self.channel = channel
self.gain = gain
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 800000
self.taps = taps = firdes.low_pass(1, samp_rate, 150e3, 50e3,
firdes.WIN_HAMMING)
self.seuil = seuil = -40
##################################################
# Blocks
##################################################
self.xmlrpc_server_0 = SimpleXMLRPCServer.SimpleXMLRPCServer(
('localhost', 8080), allow_none=True)
self.xmlrpc_server_0.register_instance(self)
self.xmlrpc_server_0_thread = threading.Thread(
target=self.xmlrpc_server_0.serve_forever)
self.xmlrpc_server_0_thread.daemon = True
self.xmlrpc_server_0_thread.start()
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(channel + 200e3, 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.low_pass_filter_0 = filter.fir_filter_fff(
1,
firdes.low_pass(1, samp_rate, 40e3, 10e3, firdes.WIN_HAMMING,
6.76))
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(
1, (taps), -200e3, samp_rate)
self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff(
20, 0.25 * 0.175 * 0.175, 0.5, 0.175, 0.005)
self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
self.blocks_socket_pdu_0_0 = blocks.socket_pdu("UDP_CLIENT",
'127.0.0.1', '52002',
10000, False)
self.blocks_message_debug_0 = blocks.message_debug()
self.analog_simple_squelch_cc_0 = analog.simple_squelch_cc(seuil, 1)
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(
2 * (samp_rate) / (2 * math.pi * 20e3 / 8.0))
self.Zwave_packet_sink_0 = Zwave.packet_sink()
##################################################
# Connections
##################################################
self.msg_connect((self.Zwave_packet_sink_0, 'out'),
(self.blocks_message_debug_0, 'print_pdu'))
self.msg_connect((self.Zwave_packet_sink_0, 'out'),
(self.blocks_socket_pdu_0_0, 'pdus'))
self.connect((self.analog_quadrature_demod_cf_0, 0),
(self.low_pass_filter_0, 0))
self.connect((self.analog_simple_squelch_cc_0, 0),
(self.analog_quadrature_demod_cf_0, 0))
self.connect((self.digital_binary_slicer_fb_0, 0),
(self.Zwave_packet_sink_0, 0))
self.connect((self.digital_clock_recovery_mm_xx_0, 0),
(self.digital_binary_slicer_fb_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0),
(self.analog_simple_squelch_cc_0, 0))
self.connect((self.low_pass_filter_0, 0),
(self.digital_clock_recovery_mm_xx_0, 0))
self.connect((self.osmosdr_source_0, 0),
(self.freq_xlating_fir_filter_xxx_0, 0))
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.tuner = tuner = 434e6
self.freq_offset = freq_offset = -200000
self.width = width = 10000
self.variable_static_text_0 = variable_static_text_0 = tuner - freq_offset
self.squelch = squelch = -30
self.samp_rate = samp_rate = 1.024e6
self.demodgain = demodgain = 14
self.cutoff = cutoff = 110000
##################################################
# Blocks
##################################################
_width_sizer = wx.BoxSizer(wx.VERTICAL)
self._width_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_width_sizer,
value=self.width,
callback=self.set_width,
label='width',
converter=forms.float_converter(),
proportion=0,
)
self._width_slider = forms.slider(
parent=self.GetWin(),
sizer=_width_sizer,
value=self.width,
callback=self.set_width,
minimum=0,
maximum=400000,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_width_sizer, 0, 3, 1, 1)
_tuner_sizer = wx.BoxSizer(wx.VERTICAL)
self._tuner_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_tuner_sizer,
value=self.tuner,
callback=self.set_tuner,
label='tuner',
converter=forms.float_converter(),
proportion=0,
)
self._tuner_slider = forms.slider(
parent=self.GetWin(),
sizer=_tuner_sizer,
value=self.tuner,
callback=self.set_tuner,
minimum=0,
maximum=2e9,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_tuner_sizer, 1, 0, 1, 7)
_squelch_sizer = wx.BoxSizer(wx.VERTICAL)
self._squelch_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_squelch_sizer,
value=self.squelch,
callback=self.set_squelch,
label='squelch',
converter=forms.float_converter(),
proportion=0,
)
self._squelch_slider = forms.slider(
parent=self.GetWin(),
sizer=_squelch_sizer,
value=self.squelch,
callback=self.set_squelch,
minimum=-50,
maximum=20,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_squelch_sizer, 0, 1, 1, 1)
self.nbook = self.nbook = wx.Notebook(self.GetWin(), style=wx.NB_TOP)
self.nbook.AddPage(grc_wxgui.Panel(self.nbook), "Scope")
self.nbook.AddPage(grc_wxgui.Panel(self.nbook), "FSK")
self.nbook.AddPage(grc_wxgui.Panel(self.nbook), "Waterfall")
self.GridAdd(self.nbook, 2, 0, 1, 10)
_freq_offset_sizer = wx.BoxSizer(wx.VERTICAL)
self._freq_offset_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_freq_offset_sizer,
value=self.freq_offset,
callback=self.set_freq_offset,
label='freq_offset',
converter=forms.float_converter(),
proportion=0,
)
self._freq_offset_slider = forms.slider(
parent=self.GetWin(),
sizer=_freq_offset_sizer,
value=self.freq_offset,
callback=self.set_freq_offset,
minimum=-1e6,
maximum=1e6,
num_steps=1000,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_freq_offset_sizer, 0, 4, 1, 1)
_demodgain_sizer = wx.BoxSizer(wx.VERTICAL)
self._demodgain_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_demodgain_sizer,
value=self.demodgain,
callback=self.set_demodgain,
label='demodgain',
converter=forms.int_converter(),
proportion=0,
)
self._demodgain_slider = forms.slider(
parent=self.GetWin(),
sizer=_demodgain_sizer,
value=self.demodgain,
callback=self.set_demodgain,
minimum=-1,
maximum=42,
num_steps=44,
style=wx.SL_HORIZONTAL,
cast=int,
proportion=1,
)
self.GridAdd(_demodgain_sizer, 0, 0, 1, 1)
_cutoff_sizer = wx.BoxSizer(wx.VERTICAL)
self._cutoff_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_cutoff_sizer,
value=self.cutoff,
callback=self.set_cutoff,
label='cutoff',
converter=forms.float_converter(),
proportion=0,
)
self._cutoff_slider = forms.slider(
parent=self.GetWin(),
sizer=_cutoff_sizer,
value=self.cutoff,
callback=self.set_cutoff,
minimum=0,
maximum=1000000,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_cutoff_sizer, 0, 2, 1, 1)
self.wxgui_waterfallsink2_0 = waterfallsink2.waterfall_sink_c(
self.nbook.GetPage(2).GetWin(),
baseband_freq=tuner,
dynamic_range=60,
ref_level=0,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title="Waterfall Plot",
)
self.nbook.GetPage(2).Add(self.wxgui_waterfallsink2_0.win)
self.wxgui_scopesink2_0_0 = scopesink2.scope_sink_f(
self.nbook.GetPage(1).GetWin(),
title="Scope Plot 1",
sample_rate=samp_rate,
v_scale=1,
v_offset=0.5,
t_scale=0.02,
ac_couple=False,
xy_mode=False,
num_inputs=2,
trig_mode=wxgui.TRIG_MODE_AUTO,
y_axis_label="Counts",
)
self.nbook.GetPage(1).Add(self.wxgui_scopesink2_0_0.win)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.nbook.GetPage(0).GetWin(),
baseband_freq=tuner,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title="FFT Plot",
peak_hold=False,
win=window.flattop,
)
self.nbook.GetPage(0).Add(self.wxgui_fftsink2_0.win)
self._variable_static_text_0_static_text = forms.static_text(
parent=self.GetWin(),
value=self.variable_static_text_0,
callback=self.set_variable_static_text_0,
label="Tuned to",
converter=forms.float_converter(),
)
self.GridAdd(self._variable_static_text_0_static_text, 0, 5, 1, 1)
self.osmosdr_source_c_0_1 = osmosdr.source()
self.osmosdr_source_c_0_1.set_sample_rate(samp_rate)
self.osmosdr_source_c_0_1.set_center_freq(tuner+freq_offset, 0)
self.osmosdr_source_c_0_1.set_freq_corr(21, 0)
self.osmosdr_source_c_0_1.set_iq_balance_mode(0, 0)
self.osmosdr_source_c_0_1.set_gain_mode(0, 0)
self.osmosdr_source_c_0_1.set_gain(demodgain, 0)
self.osmosdr_source_c_0_1.set_if_gain(24, 0)
self.osmosdr_source_c_0_1.set_bb_gain(20, 0)
self.osmosdr_source_c_0_1.set_antenna("", 0)
self.osmosdr_source_c_0_1.set_bandwidth(0, 0)
self.freq_xlating_fir_filter_xxx_0_1 = filter.freq_xlating_fir_filter_ccc(1, (firdes.low_pass(1, samp_rate,cutoff, width, firdes.WIN_BLACKMAN, 6.76)), -freq_offset, samp_rate)
self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
self.blocks_uchar_to_float_0 = blocks.uchar_to_float()
self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_char*1, "capture", False)
self.blocks_file_sink_0.set_unbuffered(False)
self.analog_simple_squelch_cc_0 = analog.simple_squelch_cc(squelch, 1)
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(demodgain)
##################################################
# Connections
##################################################
self.connect((self.analog_quadrature_demod_cf_0, 0), (self.digital_binary_slicer_fb_0, 0))
self.connect((self.analog_simple_squelch_cc_0, 0), (self.analog_quadrature_demod_cf_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0_1, 0), (self.wxgui_fftsink2_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0_1, 0), (self.wxgui_waterfallsink2_0, 0))
self.connect((self.osmosdr_source_c_0_1, 0), (self.freq_xlating_fir_filter_xxx_0_1, 0))
self.connect((self.digital_binary_slicer_fb_0, 0), (self.blocks_uchar_to_float_0, 0))
self.connect((self.digital_binary_slicer_fb_0, 0), (self.blocks_file_sink_0, 0))
self.connect((self.blocks_uchar_to_float_0, 0), (self.wxgui_scopesink2_0_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0_1, 0), (self.analog_simple_squelch_cc_0, 0))
self.connect((self.analog_quadrature_demod_cf_0, 0), (self.wxgui_scopesink2_0_0, 1))
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Fm Tuner")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Variables
##################################################
self.tuning_frequency = tuning_frequency = 90.5e6
self.volume = volume = 1
self.transition = transition = 500000
self.samp_rate = samp_rate = 2000000
self.quadrature = quadrature = 500000
self.low_cutoff = low_cutoff = tuning_frequency-0.1e6
self.high_cutoff = high_cutoff = tuning_frequency+0.1e6
self.frequency = frequency = tuning_frequency
self.cutoff = cutoff = 100000
self.center_freq_probe = center_freq_probe = 0
self.ave_mag_probe = ave_mag_probe = 0
self.audio_decimation = audio_decimation = 10
##################################################
# Blocks
##################################################
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(tuning_frequency, 0)
self.rtlsdr_source_0.set_freq_corr(0, 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(1, 0)
self.rtlsdr_source_0.set_gain(25, 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.analog_probe_avg_mag_sqrd_x_0 = analog.probe_avg_mag_sqrd_c(0, 1)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title="FFT Plot",
peak_hold=False,
)
self.Add(self.wxgui_fftsink2_0.win)
self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=1,
decimation=4,
taps=None,
fractional_bw=None,
)
self.low_pass_filter_0 = filter.fir_filter_ccf(1, firdes.low_pass(
1, samp_rate, cutoff, transition, firdes.WIN_HAMMING, 6.76))
_frequency_sizer = wx.BoxSizer(wx.VERTICAL)
self._frequency_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_frequency_sizer,
value=self.frequency,
callback=self.set_frequency,
label='frequency',
converter=forms.float_converter(),
proportion=0,
)
self._frequency_slider = forms.slider(
parent=self.GetWin(),
sizer=_frequency_sizer,
value=self.frequency,
callback=self.set_frequency,
minimum=88e6,
maximum=110e6,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_frequency_sizer)
def _center_freq_probe_probe():
while True:
val = self.rtlsdr_source_0.get_center_freq()
try: self.set_center_freq_probe(val)
except AttributeError, e: pass
time.sleep(1.0/(10))
_center_freq_probe_thread = threading.Thread(target=_center_freq_probe_probe)
_center_freq_probe_thread.daemon = True
_center_freq_probe_thread.start()
def _ave_mag_probe_probe():
while True:
val = self.analog_probe_avg_mag_sqrd_x_0.level()
try: self.set_ave_mag_probe(val)
except AttributeError, e: pass
time.sleep(1.0/(10))
_ave_mag_probe_thread = threading.Thread(target=_ave_mag_probe_probe)
_ave_mag_probe_thread.daemon = True
_ave_mag_probe_thread.start()
self.analog_simple_squelch_cc_0 = analog.simple_squelch_cc(-60, 1)
##################################################
# Connections
##################################################
self.connect((self.rtlsdr_source_0, 0), (self.rational_resampler_xxx_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.low_pass_filter_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.analog_simple_squelch_cc_0, 0))
self.connect((self.analog_simple_squelch_cc_0, 0), (self.wxgui_fftsink2_0, 0))
self.connect((self.analog_simple_squelch_cc_0, 0), (self.analog_probe_avg_mag_sqrd_x_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Bluetooth LE Receiver")
##################################################
# Variables
##################################################
self.transition_width = transition_width = 300e3
self.sample_rate = sample_rate = 4e6
self.data_rate = data_rate = 1e6
self.cutoff_freq = cutoff_freq = 850e3
self.ble_channel_spacing = ble_channel_spacing = 2e6
self.ble_channel = ble_channel = 12
self.ble_base_freq = ble_base_freq = 2402e6
self.squelch_threshold = squelch_threshold = -70
self.rf_gain = rf_gain = 10
self.lowpass_filter = lowpass_filter = firdes.low_pass(1, sample_rate, cutoff_freq, transition_width, firdes.WIN_HAMMING, 6.76)
self.gmsk_sps = gmsk_sps = int(sample_rate / data_rate)
self.gmsk_omega_limit = gmsk_omega_limit = 0.035
self.gmsk_mu = gmsk_mu = 0.5
self.gmsk_gain_mu = gmsk_gain_mu = 0.7
self.freq_offset = freq_offset = 1e6
self.freq = freq = ble_base_freq+(ble_channel_spacing * ble_channel)
##################################################
# Message Queues
##################################################
self.message_queue = message_queue = gr.msg_queue(2)
##################################################
# Blocks
##################################################
self.unpacked_to_packed = blocks.unpacked_to_packed_bb(1, gr.GR_LSB_FIRST)
self.osmosdr_source = osmosdr.source( args="numchan=" + str(1) + " " + "" )
self.osmosdr_source.set_sample_rate(sample_rate)
self.osmosdr_source.set_center_freq(freq+freq_offset, 0)
self.osmosdr_source.set_freq_corr(0, 0)
self.osmosdr_source.set_dc_offset_mode(0, 0)
self.osmosdr_source.set_iq_balance_mode(0, 0)
self.osmosdr_source.set_gain_mode(False, 0)
self.osmosdr_source.set_gain(rf_gain, 0)
self.osmosdr_source.set_if_gain(20, 0)
self.osmosdr_source.set_bb_gain(20, 0)
self.osmosdr_source.set_antenna("", 0)
self.osmosdr_source.set_bandwidth(0, 0)
self.message_sink = blocks.message_sink(gr.sizeof_char*1, message_queue, True)
self.freq_xlating_fir_filter_lp = filter.freq_xlating_fir_filter_ccc(1, (lowpass_filter), -freq_offset, sample_rate)
self.digital_gmsk_demod_0 = digital.gmsk_demod(
samples_per_symbol=gmsk_sps,
gain_mu=gmsk_gain_mu,
mu=gmsk_mu,
omega_relative_limit=gmsk_omega_limit,
freq_error=0.0,
verbose=False,
log=False,
)
self.analog_simple_squelch = analog.simple_squelch_cc(squelch_threshold, 0.1)
##################################################
# Connections
##################################################
self.connect((self.freq_xlating_fir_filter_lp, 0), (self.digital_gmsk_demod_0, 0))
self.connect((self.digital_gmsk_demod_0, 0), (self.unpacked_to_packed, 0))
self.connect((self.unpacked_to_packed, 0), (self.message_sink, 0))
self.connect((self.osmosdr_source, 0), (self.analog_simple_squelch, 0))
self.connect((self.analog_simple_squelch, 0), (self.freq_xlating_fir_filter_lp, 0))
def __init__(self):
gr.top_block.__init__(self, "FCD FM Receiver")
Qt.QWidget.__init__(self)
self.setWindowTitle("FCD FM Receiver")
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", "fcd_nfm_rx")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 96000
self.offset_fine = offset_fine = 0
self.offset_coarse = offset_coarse = 0
self.freq = freq = 144.47e6
self.xlate_filter_taps = xlate_filter_taps = firdes.low_pass(
1, samp_rate, 48000, 5000, firdes.WIN_HAMMING, 6.76)
self.width = width = 10000
self.trans = trans = 1500
self.sql_lev = sql_lev = -100
self.rx_freq = rx_freq = freq + (offset_coarse + offset_fine)
self.rf_gain = rf_gain = 20
self.display_selector = display_selector = 0
self.af_gain = af_gain = 1
##################################################
# Blocks
##################################################
self._width_range = Range(2000, 40000, 100, 10000, 200)
self._width_win = RangeWidget(self._width_range, self.set_width,
"Filter", "counter", float)
self.top_grid_layout.addWidget(self._width_win, 7, 0, 1, 1)
self._trans_range = Range(500, 5000, 1, 1500, 200)
self._trans_win = RangeWidget(self._trans_range, self.set_trans,
"Trans", "counter", float)
self.top_grid_layout.addWidget(self._trans_win, 8, 0, 1, 1)
self._sql_lev_range = Range(-100, 0, 1, -100, 200)
self._sql_lev_win = RangeWidget(self._sql_lev_range, self.set_sql_lev,
"SQL", "counter", float)
self.top_grid_layout.addWidget(self._sql_lev_win, 7, 2, 1, 1)
self._rx_freq_tool_bar = Qt.QToolBar(self)
if None:
self._rx_freq_formatter = None
else:
self._rx_freq_formatter = lambda x: x
self._rx_freq_tool_bar.addWidget(Qt.QLabel("Receive" + ": "))
self._rx_freq_label = Qt.QLabel(
str(self._rx_freq_formatter(self.rx_freq)))
self._rx_freq_tool_bar.addWidget(self._rx_freq_label)
self.top_grid_layout.addWidget(self._rx_freq_tool_bar, 4, 3, 1, 1)
self._offset_fine_range = Range(-1000, 1000, 1, 0, 200)
self._offset_fine_win = RangeWidget(self._offset_fine_range,
self.set_offset_fine, "Fine Tune",
"counter", float)
self.top_grid_layout.addWidget(self._offset_fine_win, 6, 0, 1, 2)
self._offset_coarse_range = Range(-48000, 48000, 100, 0, 200)
self._offset_coarse_win = RangeWidget(self._offset_coarse_range,
self.set_offset_coarse,
"Coarse Tune", "counter", float)
self.top_grid_layout.addWidget(self._offset_coarse_win, 6, 2, 1, 2)
self._display_selector_options = [0, 1]
self._display_selector_labels = ['Baseband', 'RF']
self._display_selector_tool_bar = Qt.QToolBar(self)
self._display_selector_tool_bar.addWidget(Qt.QLabel("Spectrum" + ": "))
self._display_selector_combo_box = Qt.QComboBox()
self._display_selector_tool_bar.addWidget(
self._display_selector_combo_box)
for label in self._display_selector_labels:
self._display_selector_combo_box.addItem(label)
self._display_selector_callback = lambda i: Qt.QMetaObject.invokeMethod(
self._display_selector_combo_box, "setCurrentIndex",
Qt.Q_ARG("int", self._display_selector_options.index(i)))
self._display_selector_callback(self.display_selector)
self._display_selector_combo_box.currentIndexChanged.connect(
lambda i: self.set_display_selector(self._display_selector_options[
i]))
self.top_grid_layout.addWidget(self._display_selector_tool_bar, 5, 0,
1, 1)
self._af_gain_range = Range(0, 5, 0.1, 1, 200)
self._af_gain_win = RangeWidget(self._af_gain_range, self.set_af_gain,
"VOL", "counter", float)
self.top_grid_layout.addWidget(self._af_gain_win, 8, 1, 1, 1)
self.rtlsdr_source_0 = osmosdr.source(args="numchan=" + str(1) + " " +
"")
self.rtlsdr_source_0.set_time_now(osmosdr.time_spec_t(time.time()),
osmosdr.ALL_MBOARDS)
self.rtlsdr_source_0.set_sample_rate(samp_rate)
self.rtlsdr_source_0.set_center_freq(107.9e6, 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(10, 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(3000, 0)
self._rf_gain_range = Range(-5, 30, 1, 20, 200)
self._rf_gain_win = RangeWidget(self._rf_gain_range, self.set_rf_gain,
"RF", "counter", float)
self.top_grid_layout.addWidget(self._rf_gain_win, 7, 1, 1, 1)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
512, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
rx_freq * display_selector, #fc
samp_rate, #bw
"", #name
1 #number of inputs
)
self.qtgui_freq_sink_x_0.set_update_time(0.05)
self.qtgui_freq_sink_x_0.set_y_axis(-140, 10)
self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0,
"")
self.qtgui_freq_sink_x_0.enable_autoscale(False)
self.qtgui_freq_sink_x_0.enable_grid(False)
self.qtgui_freq_sink_x_0.set_fft_average(1.0)
self.qtgui_freq_sink_x_0.enable_control_panel(False)
if not True:
self.qtgui_freq_sink_x_0.disable_legend()
if "complex" == "float" or "complex" == "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_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win, 0, 0, 5,
4)
self.low_pass_filter = filter.fir_filter_ccf(
1,
firdes.low_pass(1, samp_rate, width / 2, trans, firdes.WIN_HAMMING,
6.76))
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(
1, (xlate_filter_taps), -(offset_coarse + offset_fine), samp_rate)
self._freq_tool_bar = Qt.QToolBar(self)
self._freq_tool_bar.addWidget(Qt.QLabel("FCD Freq" + ": "))
self._freq_line_edit = Qt.QLineEdit(str(self.freq))
self._freq_tool_bar.addWidget(self._freq_line_edit)
self._freq_line_edit.returnPressed.connect(lambda: self.set_freq(
eng_notation.str_to_num(str(self._freq_line_edit.text().toAscii()))
))
self.top_grid_layout.addWidget(self._freq_tool_bar, 5, 1, 1, 1)
self.blocks_multiply_const_vxx_1 = blocks.multiply_const_vff(
(af_gain, ))
self.audio_sink = audio.sink(48000, "", True)
self.analog_simple_squelch_cc_0 = analog.simple_squelch_cc(sql_lev, 1)
self.analog_nbfm_rx_0 = analog.nbfm_rx(
audio_rate=48000,
quad_rate=96000,
tau=75e-6,
max_dev=5e3,
)
##################################################
# Connections
##################################################
self.connect((self.analog_nbfm_rx_0, 0),
(self.blocks_multiply_const_vxx_1, 0))
self.connect((self.analog_simple_squelch_cc_0, 0),
(self.analog_nbfm_rx_0, 0))
self.connect((self.blocks_multiply_const_vxx_1, 0),
(self.audio_sink, 0))
self.connect((self.blocks_multiply_const_vxx_1, 0),
(self.audio_sink, 1))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0),
(self.low_pass_filter, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0),
(self.qtgui_freq_sink_x_0, 0))
self.connect((self.low_pass_filter, 0),
(self.analog_simple_squelch_cc_0, 0))
self.connect((self.rtlsdr_source_0, 0),
(self.freq_xlating_fir_filter_xxx_0, 0))
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Nbfm")
##################################################
# Variables
##################################################
self.decim = decim = 2
self.adc_rate = adc_rate = 2000000
self.xlate_offset_fine = xlate_offset_fine = 4000
self.xlate_offset = xlate_offset = 0
self.xlate_decim = xlate_decim = 4
self.xlate_bandwidth = xlate_bandwidth = 12500
self.volume = volume = 1
self.squelch = squelch = 50
self.samp_rate = samp_rate = adc_rate/decim
self.main_freq = main_freq = 167.99e6
self.audio_rate = audio_rate = 48000
self.audio_interp = audio_interp = 4
##################################################
# Blocks
##################################################
self.main_notebook = self.main_notebook = wx.Notebook(self.GetWin(), style=wx.NB_TOP)
self.main_notebook.AddPage(grc_wxgui.Panel(self.main_notebook), "Baseband")
self.main_notebook.AddPage(grc_wxgui.Panel(self.main_notebook), "Scope")
self.main_notebook.AddPage(grc_wxgui.Panel(self.main_notebook), "Waterfall")
self.main_notebook.AddPage(grc_wxgui.Panel(self.main_notebook), "Quad demod")
self.Add(self.main_notebook)
_xlate_offset_fine_sizer = wx.BoxSizer(wx.VERTICAL)
self._xlate_offset_fine_text_box = forms.text_box(
parent=self.main_notebook.GetPage(0).GetWin(),
sizer=_xlate_offset_fine_sizer,
value=self.xlate_offset_fine,
callback=self.set_xlate_offset_fine,
label="Fine Offset",
converter=forms.float_converter(),
proportion=0,
)
self._xlate_offset_fine_slider = forms.slider(
parent=self.main_notebook.GetPage(0).GetWin(),
sizer=_xlate_offset_fine_sizer,
value=self.xlate_offset_fine,
callback=self.set_xlate_offset_fine,
minimum=-10000,
maximum=10000,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.main_notebook.GetPage(0).Add(_xlate_offset_fine_sizer)
self._xlate_offset_text_box = forms.text_box(
parent=self.main_notebook.GetPage(0).GetWin(),
value=self.xlate_offset,
callback=self.set_xlate_offset,
label="Xlate Offset",
converter=forms.float_converter(),
)
self.main_notebook.GetPage(0).Add(self._xlate_offset_text_box)
_xlate_bandwidth_sizer = wx.BoxSizer(wx.VERTICAL)
self._xlate_bandwidth_text_box = forms.text_box(
parent=self.main_notebook.GetPage(0).GetWin(),
sizer=_xlate_bandwidth_sizer,
value=self.xlate_bandwidth,
callback=self.set_xlate_bandwidth,
label="Xlate Bandwidth",
converter=forms.float_converter(),
proportion=0,
)
self._xlate_bandwidth_slider = forms.slider(
parent=self.main_notebook.GetPage(0).GetWin(),
sizer=_xlate_bandwidth_sizer,
value=self.xlate_bandwidth,
callback=self.set_xlate_bandwidth,
minimum=2500,
maximum=250000,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.main_notebook.GetPage(0).Add(_xlate_bandwidth_sizer)
_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=0,
maximum=10,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_volume_sizer)
_squelch_sizer = wx.BoxSizer(wx.VERTICAL)
self._squelch_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_squelch_sizer,
value=self.squelch,
callback=self.set_squelch,
label='squelch',
converter=forms.float_converter(),
proportion=0,
)
self._squelch_slider = forms.slider(
parent=self.GetWin(),
sizer=_squelch_sizer,
value=self.squelch,
callback=self.set_squelch,
minimum=0,
maximum=100,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_squelch_sizer)
self._main_freq_text_box = forms.text_box(
parent=self.main_notebook.GetPage(0).GetWin(),
value=self.main_freq,
callback=self.set_main_freq,
label="Main Freq",
converter=forms.float_converter(),
)
self.main_notebook.GetPage(0).Add(self._main_freq_text_box)
self.wxgui_waterfallsink2_0 = waterfallsink2.waterfall_sink_c(
self.main_notebook.GetPage(2).GetWin(),
baseband_freq=0,
dynamic_range=100,
ref_level=50,
ref_scale=2.0,
sample_rate=samp_rate/xlate_decim,
fft_size=512,
fft_rate=30,
average=False,
avg_alpha=None,
title="Waterfall Plot",
)
self.main_notebook.GetPage(2).Add(self.wxgui_waterfallsink2_0.win)
self.wxgui_scopesink2_1 = scopesink2.scope_sink_f(
self.main_notebook.GetPage(3).GetWin(),
title="Scope Plot",
sample_rate=samp_rate/xlate_decim,
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.main_notebook.GetPage(3).Add(self.wxgui_scopesink2_1.win)
self.wxgui_scopesink2_0 = scopesink2.scope_sink_c(
self.main_notebook.GetPage(1).GetWin(),
title="Scope Plot",
sample_rate=samp_rate/xlate_decim,
v_scale=10,
v_offset=0,
t_scale=10000,
ac_couple=False,
xy_mode=False,
num_inputs=1,
trig_mode=wxgui.TRIG_MODE_AUTO,
y_axis_label="Counts",
)
self.main_notebook.GetPage(1).Add(self.wxgui_scopesink2_0.win)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.main_notebook.GetPage(0).GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=50,
ref_scale=2.0,
sample_rate=samp_rate/xlate_decim,
fft_size=1024,
fft_rate=30,
average=False,
avg_alpha=None,
title="FFT Plot",
peak_hold=False,
)
self.main_notebook.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(main_freq, 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(2, 0)
self.rtlsdr_source_0.set_gain_mode(True, 0)
self.rtlsdr_source_0.set_gain(50, 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.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=audio_rate*audio_interp,
decimation=samp_rate/xlate_decim,
taps=None,
fractional_bw=None,
)
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(xlate_decim, (firdes.low_pass(1, samp_rate, xlate_bandwidth/2, 1000)), xlate_offset + xlate_offset_fine, samp_rate)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((volume, ))
self.audio_sink_0 = audio.sink(48000, "", True)
self.analog_simple_squelch_cc_0 = analog.simple_squelch_cc(squelch*-1, 1)
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(1)
self.analog_nbfm_rx_0 = analog.nbfm_rx(
audio_rate=audio_rate,
quad_rate=audio_rate*audio_interp,
tau=75e-6,
max_dev=5e3,
)
##################################################
# Connections
##################################################
self.connect((self.analog_nbfm_rx_0, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self.analog_quadrature_demod_cf_0, 0), (self.wxgui_scopesink2_1, 0))
self.connect((self.analog_simple_squelch_cc_0, 0), (self.analog_nbfm_rx_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.audio_sink_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.analog_quadrature_demod_cf_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.rational_resampler_xxx_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.wxgui_scopesink2_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.wxgui_waterfallsink2_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.analog_simple_squelch_cc_0, 0))
self.connect((self.rtlsdr_source_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
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 = 1024e3
self.data_rate = data_rate = 9600
self.channel_spacing = channel_spacing = 500000
self.width = width = 150000
self.tuner = tuner = 430.24e6
self.squelch = squelch = -25
self.samp_per_sym = samp_per_sym = int(samp_rate / data_rate)
self.offset = offset = -0.2
self.freq_offset = freq_offset = (channel_spacing / 2) + (channel_spacing * .1)
self.demodgain = demodgain = 4
self.cutoff = cutoff = 60000
##################################################
# Blocks
##################################################
_width_sizer = wx.BoxSizer(wx.VERTICAL)
self._width_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_width_sizer,
value=self.width,
callback=self.set_width,
label='width',
converter=forms.float_converter(),
proportion=0,
)
self._width_slider = forms.slider(
parent=self.GetWin(),
sizer=_width_sizer,
value=self.width,
callback=self.set_width,
minimum=0,
maximum=400000,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_width_sizer, 1, 6, 1, 1)
_tuner_sizer = wx.BoxSizer(wx.VERTICAL)
self._tuner_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_tuner_sizer,
value=self.tuner,
callback=self.set_tuner,
label='tuner',
converter=forms.float_converter(),
proportion=0,
)
self._tuner_slider = forms.slider(
parent=self.GetWin(),
sizer=_tuner_sizer,
value=self.tuner,
callback=self.set_tuner,
minimum=430e6,
maximum=440e6,
num_steps=1000,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_tuner_sizer, 1, 1, 1, 1)
_squelch_sizer = wx.BoxSizer(wx.VERTICAL)
self._squelch_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_squelch_sizer,
value=self.squelch,
callback=self.set_squelch,
label='squelch',
converter=forms.float_converter(),
proportion=0,
)
self._squelch_slider = forms.slider(
parent=self.GetWin(),
sizer=_squelch_sizer,
value=self.squelch,
callback=self.set_squelch,
minimum=-50,
maximum=20,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_squelch_sizer, 1, 3, 1, 1)
_demodgain_sizer = wx.BoxSizer(wx.VERTICAL)
self._demodgain_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_demodgain_sizer,
value=self.demodgain,
callback=self.set_demodgain,
label='demodgain',
converter=forms.float_converter(),
proportion=0,
)
self._demodgain_slider = forms.slider(
parent=self.GetWin(),
sizer=_demodgain_sizer,
value=self.demodgain,
callback=self.set_demodgain,
minimum=-1,
maximum=42,
num_steps=44,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_demodgain_sizer, 1, 2, 1, 1)
_cutoff_sizer = wx.BoxSizer(wx.VERTICAL)
self._cutoff_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_cutoff_sizer,
value=self.cutoff,
callback=self.set_cutoff,
label='cutoff',
converter=forms.float_converter(),
proportion=0,
)
self._cutoff_slider = forms.slider(
parent=self.GetWin(),
sizer=_cutoff_sizer,
value=self.cutoff,
callback=self.set_cutoff,
minimum=0,
maximum=400000,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_cutoff_sizer, 1, 5, 1, 1)
self.wxgui_scopesink2_0_0 = scopesink2.scope_sink_f(
self.GetWin(),
title="Scope Plot 1",
sample_rate=samp_rate,
v_scale=1,
v_offset=0.5,
t_scale=0.02,
ac_couple=False,
xy_mode=False,
num_inputs=2,
trig_mode=wxgui.TRIG_MODE_AUTO,
y_axis_label="Counts",
)
self.Add(self.wxgui_scopesink2_0_0.win)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title="FFT Plot",
peak_hold=False,
)
self.Add(self.wxgui_fftsink2_0.win)
self.osmosdr_source_c_0_1 = osmosdr.source()
self.osmosdr_source_c_0_1.set_sample_rate(samp_rate)
self.osmosdr_source_c_0_1.set_center_freq(tuner+freq_offset, 0)
self.osmosdr_source_c_0_1.set_freq_corr(21, 0)
self.osmosdr_source_c_0_1.set_iq_balance_mode(0, 0)
self.osmosdr_source_c_0_1.set_gain_mode(0, 0)
self.osmosdr_source_c_0_1.set_gain(10, 0)
self.osmosdr_source_c_0_1.set_if_gain(24, 0)
self.osmosdr_source_c_0_1.set_bb_gain(20, 0)
self.osmosdr_source_c_0_1.set_antenna("", 0)
self.osmosdr_source_c_0_1.set_bandwidth(0, 0)
_offset_sizer = wx.BoxSizer(wx.VERTICAL)
self._offset_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_offset_sizer,
value=self.offset,
callback=self.set_offset,
label='offset',
converter=forms.float_converter(),
proportion=0,
)
self._offset_slider = forms.slider(
parent=self.GetWin(),
sizer=_offset_sizer,
value=self.offset,
callback=self.set_offset,
minimum=-1,
maximum=1,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_offset_sizer, 1, 4, 1, 1)
self.freq_xlating_fir_filter_xxx_0_1 = filter.freq_xlating_fir_filter_ccc(1, (firdes.low_pass(1, samp_rate,cutoff, width, firdes.WIN_BLACKMAN, 6.76)), -freq_offset, samp_rate)
self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff(samp_per_sym*(1+0.0), 0.25*0.175*0.175, 0.5, 0.175, 0.005)
self.digital_binary_slicer_fb_1 = digital.binary_slicer_fb()
self.blocks_char_to_float_0 = blocks.char_to_float(1, 1)
self.analog_simple_squelch_cc_0 = analog.simple_squelch_cc(squelch, 1)
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(demodgain)
##################################################
# Connections
##################################################
self.connect((self.digital_binary_slicer_fb_1, 0), (self.blocks_char_to_float_0, 0))
self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.digital_binary_slicer_fb_1, 0))
self.connect((self.osmosdr_source_c_0_1, 0), (self.freq_xlating_fir_filter_xxx_0_1, 0))
self.connect((self.blocks_char_to_float_0, 0), (self.wxgui_scopesink2_0_0, 0))
self.connect((self.analog_quadrature_demod_cf_0, 0), (self.wxgui_scopesink2_0_0, 1))
self.connect((self.analog_simple_squelch_cc_0, 0), (self.analog_quadrature_demod_cf_0, 0))
self.connect((self.analog_quadrature_demod_cf_0, 0), (self.digital_clock_recovery_mm_xx_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0_1, 0), (self.analog_simple_squelch_cc_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0_1, 0), (self.wxgui_fftsink2_0, 0))
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 = 4e6
self.fsk_deviation_hz = fsk_deviation_hz = 186000
self.channel_freq = channel_freq = 433930000
self.centre_freq = centre_freq = 432000000
##################################################
# Blocks
##################################################
self.wxgui_scopesink2_0 = scopesink2.scope_sink_f(
self.GetWin(),
title="Scope Plot",
sample_rate=samp_rate/12,
v_scale=0,
v_offset=0,
t_scale=0,
ac_couple=False,
xy_mode=False,
num_inputs=1,
trig_mode=wxgui.TRIG_MODE_AUTO,
y_axis_label="Counts",
)
self.Add(self.wxgui_scopesink2_0.win)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=samp_rate/12,
fft_size=1024,
fft_rate=15,
average=True,
avg_alpha=None,
title="FFT Plot",
peak_hold=False,
)
self.Add(self.wxgui_fftsink2_0.win)
self.rational_resampler_xxx_0 = filter.rational_resampler_fff(
interpolation=1,
decimation=2,
taps=None,
fractional_bw=None,
)
self.low_pass_filter_0 = filter.fir_filter_ccf(14, firdes.low_pass(
1, samp_rate, 1000e3, 100e3, firdes.WIN_HAMMING, 6.76))
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
self.blocks_threshold_ff_0 = blocks.threshold_ff(1, 2, 0)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((2, ))
self.blocks_file_source_0 = blocks.file_source(gr.sizeof_gr_complex*1, "/home/x/navtrak/navtrak4339.sink", True)
self.analog_simple_squelch_cc_0 = analog.simple_squelch_cc(-60, 1)
self.analog_sig_source_x_0_0 = analog.sig_source_c(samp_rate, analog.GR_COS_WAVE, -930000, 1, 0)
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(samp_rate/(2*math.pi*fsk_deviation_hz/8.0))
##################################################
# Connections
##################################################
self.connect((self.analog_quadrature_demod_cf_0, 0), (self.rational_resampler_xxx_0, 0))
self.connect((self.analog_sig_source_x_0_0, 0), (self.blocks_multiply_xx_0, 1))
self.connect((self.analog_simple_squelch_cc_0, 0), (self.low_pass_filter_0, 0))
self.connect((self.blocks_file_source_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.blocks_threshold_ff_0, 0))
self.connect((self.blocks_multiply_xx_0, 0), (self.analog_simple_squelch_cc_0, 0))
self.connect((self.blocks_threshold_ff_0, 0), (self.wxgui_scopesink2_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.blocks_multiply_xx_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.analog_quadrature_demod_cf_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.wxgui_fftsink2_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.blocks_multiply_const_vxx_0, 0))
def __init__(self, udp_port):
gr.top_block.__init__(self, "Sigfox Receive Realtime")
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 250000
self.taps = taps = firdes.low_pass(1, samp_rate, 100, 50,
firdes.WIN_HAMMING)
self.decim_second = decim_second = 250
self.decim_first = decim_first = 5
self.udp_port = udp_port
##################################################
# Blocks
##################################################
self.sigfox_packet_sink_scapy_0_1_1_9 = sigfox.packet_sink_scapy()
self.sigfox_packet_sink_scapy_0_1_1_8 = sigfox.packet_sink_scapy()
self.sigfox_packet_sink_scapy_0_1_1_7 = sigfox.packet_sink_scapy()
self.sigfox_Detection_Peak_0 = sigfox.Detection_Peak(
90, samp_rate / 6.28)
self.freq_xlating_fir_filter_xxx_0_1_9 = filter.freq_xlating_fir_filter_ccc(
decim_first, (taps), 0, samp_rate)
self.freq_xlating_fir_filter_xxx_0_1_8 = filter.freq_xlating_fir_filter_ccc(
decim_first, (taps), 0, samp_rate)
self.freq_xlating_fir_filter_xxx_0_1_7 = filter.freq_xlating_fir_filter_ccc(
decim_first, (taps), 0, samp_rate)
self.fir_filter_xxx_0_1 = filter.fir_filter_ccc(decim_second, (1, ))
self.fir_filter_xxx_0_1.declare_sample_delay(0)
self.fir_filter_xxx_0_0 = filter.fir_filter_ccc(decim_second, (1, ))
self.fir_filter_xxx_0_0.declare_sample_delay(0)
self.fir_filter_xxx_0 = filter.fir_filter_ccc(decim_second, (1, ))
self.fir_filter_xxx_0.declare_sample_delay(0)
self.digital_diff_decoder_bb_0_0_0_1_1_9 = digital.diff_decoder_bb(2)
self.digital_diff_decoder_bb_0_0_0_1_1_8 = digital.diff_decoder_bb(2)
self.digital_diff_decoder_bb_0_0_0_1_1_7 = digital.diff_decoder_bb(2)
self.digital_costas_loop_cc_0_0_0_0_0_0_0_1_2_1_1_1_9 = digital.costas_loop_cc(
6.28 / 100, 2, False)
self.digital_costas_loop_cc_0_0_0_0_0_0_0_1_2_1_1_1_8 = digital.costas_loop_cc(
6.28 / 100, 2, False)
self.digital_costas_loop_cc_0_0_0_0_0_0_0_1_2_1_1_1_7 = digital.costas_loop_cc(
6.28 / 100, 2, False)
self.digital_clock_recovery_mm_xx_0_0_1_1_9 = digital.clock_recovery_mm_cc(
2, 0.25 * 0.175 * 0.175, 0.5, 0.175, 0.005)
self.digital_clock_recovery_mm_xx_0_0_1_1_8 = digital.clock_recovery_mm_cc(
2, 0.25 * 0.175 * 0.175, 0.5, 0.175, 0.005)
self.digital_clock_recovery_mm_xx_0_0_1_1_7 = digital.clock_recovery_mm_cc(
2, 0.25 * 0.175 * 0.175, 0.5, 0.175, 0.005)
self.digital_binary_slicer_fb_0_1_1_9 = digital.binary_slicer_fb()
self.digital_binary_slicer_fb_0_1_1_8 = digital.binary_slicer_fb()
self.digital_binary_slicer_fb_0_1_1_7 = digital.binary_slicer_fb()
self.blocks_socket_pdu_0_0_1 = blocks.socket_pdu(
"UDP_CLIENT", '127.0.0.1', self.udp_port, 10000, False)
self.blocks_message_debug_0_0_0_1_1 = blocks.message_debug()
self.blocks_message_debug_0 = blocks.message_debug()
self.blocks_complex_to_real_0_1_1_9 = blocks.complex_to_real(1)
self.blocks_complex_to_real_0_1_1_8 = blocks.complex_to_real(1)
self.blocks_complex_to_real_0_1_1_7 = blocks.complex_to_real(1)
self.analog_simple_squelch_cc_1_1_0 = analog.simple_squelch_cc(-20, 1)
self.analog_pll_freqdet_cf_0 = analog.pll_freqdet_cf(
6.28 / 100, 6.28 * 110e3 / samp_rate, -6.28 * 110e3 / samp_rate)
self.analog_const_source_x_0 = analog.sig_source_c(
0, analog.GR_CONST_WAVE, 0, 0, 0)
##################################################
# Connections
##################################################
self.msg_connect((self.sigfox_Detection_Peak_0, 'out0'),
(self.blocks_message_debug_0, 'print'))
self.msg_connect((self.sigfox_Detection_Peak_0, 'out1'),
(self.blocks_message_debug_0, 'print'))
self.msg_connect((self.sigfox_Detection_Peak_0, 'out2'),
(self.blocks_message_debug_0, 'print'))
self.msg_connect((self.sigfox_Detection_Peak_0, 'out0'),
(self.freq_xlating_fir_filter_xxx_0_1_7, 'freq'))
self.msg_connect((self.sigfox_Detection_Peak_0, 'out1'),
(self.freq_xlating_fir_filter_xxx_0_1_8, 'freq'))
self.msg_connect((self.sigfox_Detection_Peak_0, 'out2'),
(self.freq_xlating_fir_filter_xxx_0_1_9, 'freq'))
self.msg_connect((self.sigfox_packet_sink_scapy_0_1_1_7, 'out'),
(self.blocks_message_debug_0_0_0_1_1, 'print'))
self.msg_connect((self.sigfox_packet_sink_scapy_0_1_1_7, 'out'),
(self.blocks_socket_pdu_0_0_1, 'pdus'))
self.msg_connect((self.sigfox_packet_sink_scapy_0_1_1_8, 'out'),
(self.blocks_message_debug_0_0_0_1_1, 'print'))
self.msg_connect((self.sigfox_packet_sink_scapy_0_1_1_8, 'out'),
(self.blocks_socket_pdu_0_0_1, 'pdus'))
self.msg_connect((self.sigfox_packet_sink_scapy_0_1_1_9, 'out'),
(self.blocks_message_debug_0_0_0_1_1, 'print'))
self.msg_connect((self.sigfox_packet_sink_scapy_0_1_1_9, 'out'),
(self.blocks_socket_pdu_0_0_1, 'pdus'))
self.connect((self.analog_const_source_x_0, 0),
(self.analog_simple_squelch_cc_1_1_0, 0))
self.connect((self.analog_pll_freqdet_cf_0, 0),
(self.sigfox_Detection_Peak_0, 0))
self.connect((self.analog_simple_squelch_cc_1_1_0, 0),
(self.analog_pll_freqdet_cf_0, 0))
self.connect((self.analog_simple_squelch_cc_1_1_0, 0),
(self.freq_xlating_fir_filter_xxx_0_1_7, 0))
self.connect((self.analog_simple_squelch_cc_1_1_0, 0),
(self.freq_xlating_fir_filter_xxx_0_1_8, 0))
self.connect((self.analog_simple_squelch_cc_1_1_0, 0),
(self.freq_xlating_fir_filter_xxx_0_1_9, 0))
self.connect((self.blocks_complex_to_real_0_1_1_7, 0),
(self.digital_binary_slicer_fb_0_1_1_7, 0))
self.connect((self.blocks_complex_to_real_0_1_1_8, 0),
(self.digital_binary_slicer_fb_0_1_1_8, 0))
self.connect((self.blocks_complex_to_real_0_1_1_9, 0),
(self.digital_binary_slicer_fb_0_1_1_9, 0))
self.connect((self.digital_binary_slicer_fb_0_1_1_7, 0),
(self.digital_diff_decoder_bb_0_0_0_1_1_7, 0))
self.connect((self.digital_binary_slicer_fb_0_1_1_8, 0),
(self.digital_diff_decoder_bb_0_0_0_1_1_8, 0))
self.connect((self.digital_binary_slicer_fb_0_1_1_9, 0),
(self.digital_diff_decoder_bb_0_0_0_1_1_9, 0))
self.connect((self.digital_clock_recovery_mm_xx_0_0_1_1_7, 0),
(self.blocks_complex_to_real_0_1_1_7, 0))
self.connect((self.digital_clock_recovery_mm_xx_0_0_1_1_8, 0),
(self.blocks_complex_to_real_0_1_1_8, 0))
self.connect((self.digital_clock_recovery_mm_xx_0_0_1_1_9, 0),
(self.blocks_complex_to_real_0_1_1_9, 0))
self.connect(
(self.digital_costas_loop_cc_0_0_0_0_0_0_0_1_2_1_1_1_7, 0),
(self.fir_filter_xxx_0, 0))
self.connect(
(self.digital_costas_loop_cc_0_0_0_0_0_0_0_1_2_1_1_1_8, 0),
(self.fir_filter_xxx_0_0, 0))
self.connect(
(self.digital_costas_loop_cc_0_0_0_0_0_0_0_1_2_1_1_1_9, 0),
(self.fir_filter_xxx_0_1, 0))
self.connect((self.digital_diff_decoder_bb_0_0_0_1_1_7, 0),
(self.sigfox_packet_sink_scapy_0_1_1_7, 0))
self.connect((self.digital_diff_decoder_bb_0_0_0_1_1_8, 0),
(self.sigfox_packet_sink_scapy_0_1_1_8, 0))
self.connect((self.digital_diff_decoder_bb_0_0_0_1_1_9, 0),
(self.sigfox_packet_sink_scapy_0_1_1_9, 0))
self.connect((self.fir_filter_xxx_0, 0),
(self.digital_clock_recovery_mm_xx_0_0_1_1_7, 0))
self.connect((self.fir_filter_xxx_0_0, 0),
(self.digital_clock_recovery_mm_xx_0_0_1_1_8, 0))
self.connect((self.fir_filter_xxx_0_1, 0),
(self.digital_clock_recovery_mm_xx_0_0_1_1_9, 0))
self.connect(
(self.freq_xlating_fir_filter_xxx_0_1_7, 0),
(self.digital_costas_loop_cc_0_0_0_0_0_0_0_1_2_1_1_1_7, 0))
self.connect(
(self.freq_xlating_fir_filter_xxx_0_1_8, 0),
(self.digital_costas_loop_cc_0_0_0_0_0_0_0_1_2_1_1_1_8, 0))
self.connect(
(self.freq_xlating_fir_filter_xxx_0_1_9, 0),
(self.digital_costas_loop_cc_0_0_0_0_0_0_0_1_2_1_1_1_9, 0))
def __init__(self):
gr.top_block.__init__(self, "Top Block")
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 1024000
self.decimation = decimation = 10
self.symbol_rate = symbol_rate = 38400
self.input_rate = input_rate = samp_rate / decimation
self.window_symbols = window_symbols = 1
self.symbol_taps_length = symbol_taps_length = int(
(float(input_rate) / symbol_rate))
self.samples_per_symbol = samples_per_symbol = float(
input_rate) / symbol_rate
self.grab_freq = grab_freq = 868200000
self.symbol_taps = symbol_taps = (1, ) * symbol_taps_length
self.offset_sign2 = offset_sign2 = (-34780 * grab_freq) / 868200000
self.offset_sign1 = offset_sign1 = (11600 * grab_freq) / 868200000
self.gain_mu = gain_mu = 0.4 / samples_per_symbol
self.fsk_deviation_hz = fsk_deviation_hz = 5200
self.average_window = average_window = int(
(input_rate * window_symbols / symbol_rate))
##################################################
# Blocks
##################################################
self.urmetEasyRead_urmetEasyRead_0 = urmetEasyRead.urmetEasyRead()
self.digital_correlate_access_code_bb_0 = digital.correlate_access_code_bb(
'11010011100100011101001110010001', 1)
self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff(
samples_per_symbol, 0.25 * gain_mu * gain_mu, 0.5, gain_mu, 0.02)
self.digital_binary_slicer_fb_0_0 = digital.binary_slicer_fb()
self.cc1111_cc1111_packet_decoder_0 = cc1111.cc1111_packet_decoder(
gr.msg_queue(1), False, True, True, True)
self.blocks_uchar_to_float_0 = blocks.uchar_to_float()
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1,
samp_rate, True)
self.blocks_null_sink_1 = blocks.null_sink(gr.sizeof_char * 1)
self.blocks_float_to_complex_0 = blocks.float_to_complex(1)
self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char * 1,
sys.argv[1], False)
self.blocks_deinterleave_0 = blocks.deinterleave(
gr.sizeof_float * 1, 1)
self.blocks_add_const_vxx_0 = blocks.add_const_vcc((-128 - 128j, ))
self.analog_simple_squelch_cc_0 = analog.simple_squelch_cc(40, 1)
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(1)
self.FXFIR1 = filter.freq_xlating_fir_filter_ccc(
decimation, (1, ), -14e3, samp_rate)
##################################################
# Connections
##################################################
self.connect((self.FXFIR1, 0), (self.analog_simple_squelch_cc_0, 0))
self.connect((self.analog_quadrature_demod_cf_0, 0),
(self.digital_clock_recovery_mm_xx_0, 0))
self.connect((self.analog_simple_squelch_cc_0, 0),
(self.analog_quadrature_demod_cf_0, 0))
self.connect((self.blocks_add_const_vxx_0, 0),
(self.blocks_throttle_0, 0))
self.connect((self.blocks_deinterleave_0, 0),
(self.blocks_float_to_complex_0, 0))
self.connect((self.blocks_deinterleave_0, 1),
(self.blocks_float_to_complex_0, 1))
self.connect((self.blocks_file_source_0, 0),
(self.blocks_uchar_to_float_0, 0))
self.connect((self.blocks_float_to_complex_0, 0),
(self.blocks_add_const_vxx_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.FXFIR1, 0))
self.connect((self.blocks_uchar_to_float_0, 0),
(self.blocks_deinterleave_0, 0))
self.connect((self.cc1111_cc1111_packet_decoder_0, 0),
(self.urmetEasyRead_urmetEasyRead_0, 0))
self.connect((self.digital_binary_slicer_fb_0_0, 0),
(self.digital_correlate_access_code_bb_0, 0))
self.connect((self.digital_clock_recovery_mm_xx_0, 0),
(self.digital_binary_slicer_fb_0_0, 0))
self.connect((self.digital_correlate_access_code_bb_0, 0),
(self.cc1111_cc1111_packet_decoder_0, 0))
self.connect((self.urmetEasyRead_urmetEasyRead_0, 0),
(self.blocks_null_sink_1, 0))
def _setup_top_block(self):
self.tb = gr.top_block()
samp_rate = 96000
oversample = 10
# Radio receiver, initial downsampling
args = "rtl=%d,buffers=16" % (self.device, )
if self.osmosdr_args:
args += ",%s" % (self.osmosdr_args, )
osmosdr_source = osmosdr.source(args=args)
osmosdr_source.set_sample_rate(samp_rate * oversample)
osmosdr_source.set_center_freq(self.freq, 0)
osmosdr_source.set_freq_corr(0, 0)
osmosdr_source.set_gain_mode(True, 0)
osmosdr_source.set_gain(0, 0)
taps = filter.firdes.low_pass(1, samp_rate * oversample, 90e3, 8e3,
filter.firdes.WIN_HAMMING, 6.76)
low_pass_filter = filter.fir_filter_ccf(oversample, taps)
self.tb.connect((osmosdr_source, 0), (low_pass_filter, 0))
# Squelch
self.noise_probe = analog.probe_avg_mag_sqrd_c(0,
1.0 / samp_rate / 1e2)
self.squelch = analog.simple_squelch_cc(self.noise_level, 1)
noise_probe_thread = threading.Thread(target=self._noise_probe_thread)
noise_probe_thread.start()
self.threads.append(noise_probe_thread)
self.tb.connect((low_pass_filter, 0), (self.noise_probe, 0))
self.tb.connect((low_pass_filter, 0), (self.squelch, 0))
# FM demodulation
quadrature_demod = analog.quadrature_demod_cf(1)
self.tb.connect((self.squelch, 0), (quadrature_demod, 0))
# Binary slicing, transformation into capture-compatible format
add_offset = blocks.add_const_vff((-1e-3, ))
binary_slicer = digital.binary_slicer_fb()
char_to_float = blocks.char_to_float(1, 1)
multiply_const = blocks.multiply_const_vff((255, ))
float_to_uchar = blocks.float_to_uchar()
pipe_sink = blocks.file_sink(gr.sizeof_char * 1, self.pipe)
pipe_sink.set_unbuffered(False)
self.tb.connect((quadrature_demod, 0), (add_offset, 0))
self.tb.connect((add_offset, 0), (binary_slicer, 0))
self.tb.connect((binary_slicer, 0), (char_to_float, 0))
self.tb.connect((char_to_float, 0), (multiply_const, 0))
self.tb.connect((multiply_const, 0), (float_to_uchar, 0))
self.tb.connect((float_to_uchar, 0), (pipe_sink, 0))
def __init__(self, args, spec, antenna, gain, audio_output):
gr.hier_block2.__init__(
self,
"receive_path",
gr.io_signature(0, 0, 0), # Input signature
gr.io_signature(0, 0, 0)) # Output signature
self.u = uhd.usrp_source(device_addr=args,
stream_args=uhd.stream_args('fc32'))
# Set the subdevice spec
if (spec):
self.u.set_subdev_spec(spec, 0)
# Set the antenna
if (antenna):
self.u.set_antenna(antenna, 0)
self.if_rate = 256e3
self.quad_rate = 64e3
self.audio_rate = 32e3
self.u.set_samp_rate(self.if_rate)
dev_rate = self.u.get_samp_rate()
# Create filter to get actual channel we want
nfilts = 32
chan_coeffs = filter.firdes.low_pass(
nfilts, # gain
nfilts * dev_rate, # sampling rate
8e3, # low pass cutoff freq
2e3, # width of trans. band
filter.firdes.WIN_HANN) # filter type
rrate = self.quad_rate / dev_rate
self.resamp = filter.pfb.arb_resampler_ccf(rrate, chan_coeffs, nfilts)
if USE_SIMPLE_SQUELCH:
self.squelch = analog.simple_squelch_cc(20)
else:
self.squelch = analog.standard_squelch(self.audio_rate)
# instantiate the guts of the single channel receiver
self.fmrx = analog.nbfm_rx(self.audio_rate, self.quad_rate)
# audio gain / mute block
self._audio_gain = blocks.multiply_const_ff(1.0)
# sound card as final sink
audio_sink = audio.sink(int(self.audio_rate), audio_output)
# now wire it all together
if USE_SIMPLE_SQUELCH:
self.connect(self.u, self.resamp, self.squelch, self.fmrx,
self._audio_gain, audio_sink)
else:
self.connect(self.u, self.resamp, self.fmrx, self.squelch,
self._audio_gain, audio_sink)
if gain is None:
# if no gain was specified, use the mid-point in dB
g = self.u.get_gain_range()
gain = float(g.start() + g.stop()) / 2
self.set_gain(gain)
v = self.volume_range()
self.set_volume((v[0] + v[1]) / 2)
s = self.squelch_range()
self.set_squelch((s[0] + s[1]) / 2)
def __init__(self):
gr.top_block.__init__(self, "Key")
# super(Key, self).__init__()
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 2016000 #1920000#2000000
self.offset_freq_keyboard = offset_freq_keyboard = 27195000
self.offset_freq = offset_freq = 27175000
self.center_freq = center_freq = 28000000
self.target_rate = target_rate = 48000#16000#96000
self.offset_keyboard = offset_keyboard = offset_freq_keyboard - center_freq
self.offset = offset = offset_freq - center_freq
#self.firdes_tap_overall = firdes_tap_overall = firdes.low_pass(1, samp_rate, 50000, 0100, firdes.WIN_HAMMING,
# 6.76)
self.firdes_tap_keyboard = firdes_tap_keyboard = firdes.low_pass(1, samp_rate, 20000, 0100,#5000, 5000, #20000, 10000,
firdes.WIN_HAMMING,
6.76)
##################################################
# Blocks
##################################################
self.osmosdr_source_c_0 = osmosdr.source_c(args="nchan=" + str(1) + " " + "")
self.osmosdr_source_c_0.set_sample_rate(samp_rate)
self.osmosdr_source_c_0.set_center_freq(center_freq, 0)
self.osmosdr_source_c_0.set_freq_corr(0, 0)
self.osmosdr_source_c_0.set_dc_offset_mode(1, 0)
self.osmosdr_source_c_0.set_iq_balance_mode(0, 0)
self.osmosdr_source_c_0.set_gain_mode(0, 0)
self.osmosdr_source_c_0.set_gain(01, 0)
self.osmosdr_source_c_0.set_if_gain(20, 0)
self.osmosdr_source_c_0.set_bb_gain(20, 0)
self.osmosdr_source_c_0.set_antenna("", 0)
self.osmosdr_source_c_0.set_bandwidth(0, 0)
self.low_pass_filter_0 = gr.fir_filter_fff(1, firdes.low_pass(
1, target_rate, 5e3, 01e3, firdes.WIN_HAMMING, 6.76))
self.freq_xlating_fir_filter_xxx_0_0 = filter.freq_xlating_fir_filter_ccc(int(samp_rate / target_rate),
(firdes_tap_keyboard),
offset_keyboard, samp_rate)
self.blocks_wavfile_sink_0 = blocks.wavfile_sink("/root/sdr/keyboard/44.1Ks_27Mf_quad3_keyboard.wav", 1,
target_rate, 8)
#ACL
#self.blocks_file_source_0 = blocks.file_source(gr.sizeof_float * 1, "/root/sdr/keyboard/96k_27M_float", False)
#self.blocks_file_sink_2 = blocks.file_sink(gr.sizeof_float * 1, "/root/sdr/keyboard/96k_27M_float")
#self.blocks_file_sink_2.set_unbuffered(False)
self.sink = gr_queue.queue_sink_f()
self.analog_simple_squelch_cc_0 = analog.simple_squelch_cc(-5, 1)
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(2)
##################################################
# Connections
##################################################
self.connect((self.osmosdr_source_c_0, 0), (self.freq_xlating_fir_filter_xxx_0_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0_0, 0), (self.analog_simple_squelch_cc_0, 0))
self.connect((self.analog_simple_squelch_cc_0, 0), (self.analog_quadrature_demod_cf_0, 0))
self.connect((self.analog_quadrature_demod_cf_0, 0), (self.low_pass_filter_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.blocks_wavfile_sink_0, 0))
self.connect((self.low_pass_filter_0, 0), self.sink)
