def test_pwr_squelch_001(self):
# Test set/gets
alpha = 0.0001
thr1 = 10
thr2 = 20
ramp = 1
ramp2 = 2
gate = True
gate2 = False
op = analog.pwr_squelch_cc(thr1, alpha, ramp, gate)
op.set_threshold(thr2)
t = op.threshold()
self.assertEqual(thr2, t)
op.set_ramp(ramp2)
r = op.ramp()
self.assertEqual(ramp2, r)
op.set_gate(gate2)
g = op.gate()
self.assertEqual(gate2, g)
def __init__(self, options, filename):
gr.top_block.__init__(self)
inf_str = None
symbol_rate = 152.34e3
sample_rate = 1e6
#if len(options) != 0:
# inf_str = args[0]
squelch = analog.pwr_squelch_cc(float(options.squelch), 0.1, 0, True)
demod = analog.quadrature_demod_cf(1.0)
cr = digital.clock_recovery_mm_ff(sample_rate/symbol_rate, 0.00765625, 0, 0.175, 0.005)
slicer = digital.binary_slicer_fb()
corr = digital.correlate_access_code_bb(AC, 3)
sink = sniffer()
if False:
print "Reading from: " + inf_str
src = blocks.file_source(gr.sizeof_gr_complex, inf_str, False)
else:
freqs = {
'AA':917.0e6, 'AB':913.0e6, 'AC':914.0e6, 'AD':915.0e6,
'BA':916.0e6, 'BB':919.0e6, 'BC':920.0e6, 'BD':921.0e6,
'CA':922.0e6, 'CB':923.0e6, 'CC':907.0e6, 'CD':908.0e6,
'DA':905.5e6, 'DB':909.0e6, 'DC':911.0e6, 'DD':910.0e6}
frequency = freqs[options.channel]
print "Channel: " + options.channel + " (" + str(frequency/1e6) + "MHz)"
# Create a UHD device source
src = uhd.usrp_source(device_addr=options.args, stream_args=uhd.stream_args('fc32', "sc16", args=""))
# Set the subdevice spec
if(options.spec):
src.set_subdev_spec(options.spec, 0)
# Set the antenna
if(options.antenna):
src.set_antenna(options.antenna, 0)
# Set receiver sample rate
src.set_samp_rate(options.samp_rate)
# Set receive daughterboard gain
if options.gain is None:
g = src.get_gain_range()
options.gain = float(g.start()+g.stop())/2
print "Using mid-point gain of", options.gain, "(", g.start(), "-", g.stop(), ")"
src.set_gain(options.gain)
# Set frequency (tune request takes lo_offset)
treq = uhd.tune_request(frequency)
tr = src.set_center_freq(treq)
if tr == None:
sys.stderr.write('Failed to set center frequency\n')
raise SystemExit, 1
self.connect(src, squelch, demod, cr, slicer, corr, sink)
def __init__(self, chan_rate, threshold, freq):
gr.hier_block2.__init__(self, "indri_radio_channel",
gr.io_signature(1, 1, gr.sizeof_gr_complex),
gr.io_signature(1, 1, gr.sizeof_float))
self.chan_rate = chan_rate
self.threshold = threshold
self.freq = freq
self.pwr_squelch = analog.pwr_squelch_cc(self.threshold, 0.001, 0,
True)
self.nbfm_rx = analog.nbfm_rx(
audio_rate=self.chan_rate,
quad_rate=self.chan_rate,
tau=75e-6,
max_dev=6.25e3,
)
self.power_probe = analog.probe_avg_mag_sqrd_cf(self.threshold, 0.001)
self.null_sink = blocks.null_sink(gr.sizeof_float)
self.tg = 0
self.closed_once = False # have we de-squelched since tg assigned?
self.power_samples = 0
self.power_total = 0.0
self.connect(self, self.power_probe, self.null_sink)
self.connect(self, self.pwr_squelch, self.nbfm_rx, self)
def __init__(self, squelch, quad_rate, audio_rate, max_dev, out_scale,
freq, command):
gr.hier_block2.__init__(self, "FMtoCommand",
gr.io_signature(1, 1, gr.sizeof_gr_complex),
gr.io_signature(0, 0, gr.sizeof_gr_complex))
analog_pwr_squelch = analog.pwr_squelch_cc(squelch, 1e-4, 0, True)
analog_nbfm_rx = analog.nbfm_rx(
audio_rate=audio_rate,
quad_rate=quad_rate,
tau=75e-6,
max_dev=max_dev,
)
rational_resampler = filter.rational_resampler_fff(
interpolation=441,
decimation=500,
taps=None,
fractional_bw=None,
)
blocks_float_to_short = blocks.float_to_short(1, out_scale)
self.p = subprocess.Popen(command, shell=True, stdin=subprocess.PIPE)
sink = blocks.file_descriptor_sink(gr.sizeof_short * 1,
self.p.stdin.fileno())
self.connect(self, (analog_pwr_squelch, 0))
self.connect((analog_pwr_squelch, 0), (analog_nbfm_rx, 0))
self.connect((analog_nbfm_rx, 0), (rational_resampler, 0))
self.connect((rational_resampler, 0), (blocks_float_to_short, 0))
self.connect((blocks_float_to_short, 0), (sink, 0))
def test_pwr_squelch_001(self):
# Test set/gets
alpha = 0.0001
thr1 = 10
thr2 = 20
ramp = 1
ramp2 = 2
gate = True
gate2 = False
op = analog.pwr_squelch_cc(thr1, alpha, ramp, gate)
op.set_threshold(thr2)
t = op.threshold()
self.assertEqual(thr2, t)
op.set_ramp(ramp2)
r = op.ramp()
self.assertEqual(ramp2, r)
op.set_gate(gate2)
g = op.gate()
self.assertEqual(gate2, g)
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Sensado")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Variables
##################################################
self.umbral = umbral = 0
self.samp_rate = samp_rate = 44000
self.fc = fc = 0
##################################################
# Blocks
##################################################
self.usando_power_squelch = analog.pwr_squelch_cc(umbral, 1, 100, False)
self.uhd_usrp_source_0 = uhd.usrp_source(
device_addr="",
stream_args=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(fc, 0)
self.uhd_usrp_source_0.set_gain(0, 0)
self.sensado_primario = analog.probe_avg_mag_sqrd_c(0, 1)
##################################################
# Connections
##################################################
self.connect((self.usando_power_squelch, 0), (self.sensado_primario, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.usando_power_squelch, 0))
def __init__(self, squelch, quad_rate, audio_rate, max_dev, out_scale, freq, command):
gr.hier_block2.__init__(self, "FMtoCommand",
gr.io_signature(1, 1, gr.sizeof_gr_complex),
gr.io_signature(0, 0, gr.sizeof_gr_complex))
analog_pwr_squelch = analog.pwr_squelch_cc(squelch, 1e-4, 0, True)
analog_nbfm_rx = analog.nbfm_rx(
audio_rate = audio_rate,
quad_rate = quad_rate,
tau = 75e-6,
max_dev = max_dev,
)
rational_resampler = filter.rational_resampler_fff(
interpolation = 441,
decimation = 500,
taps = None,
fractional_bw = None,
)
blocks_float_to_short = blocks.float_to_short(1, out_scale)
self.p = subprocess.Popen(command, shell = True, stdin = subprocess.PIPE)
sink = blocks.file_descriptor_sink(gr.sizeof_short*1, self.p.stdin.fileno())
self.connect(self, (analog_pwr_squelch, 0))
self.connect((analog_pwr_squelch, 0), (analog_nbfm_rx, 0))
self.connect((analog_nbfm_rx, 0), (rational_resampler, 0))
self.connect((rational_resampler, 0), (blocks_float_to_short, 0))
self.connect((blocks_float_to_short, 0), (sink, 0))
def __init__(self, FH_seq):
gr.top_block.__init__(self, "Test2")
##################################################
# Variables
##################################################
self.sql_on = sql_on = 0
self.samp_rate = samp_rate = 2e6
self.curr_chann_idx = 0
self.FH_seq = FH_seq
##################################################
# Blocks
##################################################
self.analog_pwr_squelch_xx_1 = analog.pwr_squelch_cc(-20, 1, 25, False)
self.uhd_usrp_source_0 = uhd.usrp_source(
device_addr="addr=192.168.10.2",
stream_args=uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
def _sql_on_probe():
while True:
val = self.analog_pwr_squelch_xx_1.unmuted()
try:
self.set_sql_on(val)
except AttributeError, e:
pass
time.sleep((0.001))
def __init__(self):
gr.top_block.__init__(self, "Top Block")
##################################################
# Variables
##################################################
self.variable_slider_0 = variable_slider_0 = .846
self.test = test = .005
self.shift = shift = .906
self.samp_rate_0 = samp_rate_0 = 1.2e6
self.samp_rate = samp_rate = 1.2e6/4
self.pows = pows = 1.3
self.lpf = lpf = .724
self.go = go = 0.564
self.gm = gm = 1.61
self.centre_freq = centre_freq = 439.95e6
##################################################
# Blocks
##################################################
self.rtlsdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + "" )
self.rtlsdr_source_0.set_sample_rate(samp_rate_0)
self.rtlsdr_source_0.set_center_freq(439.9e6, 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(2, 0)
self.rtlsdr_source_0.set_gain_mode(False, 0)
self.rtlsdr_source_0.set_gain(20, 0)
self.rtlsdr_source_0.set_if_gain(10, 0)
self.rtlsdr_source_0.set_bb_gain(10, 0)
self.rtlsdr_source_0.set_antenna("", 0)
self.rtlsdr_source_0.set_bandwidth(0, 0)
self.low_pass_filter_1 = filter.fir_filter_fff(10, firdes.low_pass(
1, samp_rate, 2.56e3*lpf, (2.56e3/2)*lpf, firdes.WIN_HAMMING, 6.76))
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(4, (firdes.low_pass_2(1,samp_rate_0,100e3,50e3,40)), 0, samp_rate_0)
self.digital_clock_recovery_mm_xx_1 = digital.clock_recovery_mm_ff(11.6439*(1+test), 0.25*0.175*0.175*go, 0.5, 0.175*gm, 0.005*variable_slider_0)
self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
self.blocks_add_const_vxx_0 = blocks.add_const_vff((-12*shift, ))
self.blks2_tcp_sink_0 = grc_blks2.tcp_sink(
itemsize=gr.sizeof_char*1,
addr="127.0.0.1",
port=9000,
server=False,
)
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(10)
self.analog_pwr_squelch_xx_0 = analog.pwr_squelch_cc(-40*pows, .001, 0, False)
##################################################
# Connections
##################################################
self.connect((self.analog_pwr_squelch_xx_0, 0), (self.analog_quadrature_demod_cf_0, 0))
self.connect((self.analog_quadrature_demod_cf_0, 0), (self.low_pass_filter_1, 0))
self.connect((self.blocks_add_const_vxx_0, 0), (self.digital_clock_recovery_mm_xx_1, 0))
self.connect((self.digital_binary_slicer_fb_0, 0), (self.blks2_tcp_sink_0, 0))
self.connect((self.digital_clock_recovery_mm_xx_1, 0), (self.digital_binary_slicer_fb_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.analog_pwr_squelch_xx_0, 0))
self.connect((self.low_pass_filter_1, 0), (self.blocks_add_const_vxx_0, 0))
self.connect((self.rtlsdr_source_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
def __init__(self, FH_seq):
gr.top_block.__init__(self, "Test2")
##################################################
# Variables
##################################################
self.sql_on = sql_on = 0
self.sql_on2 = sql_on2 = 0
self.samp_rate = samp_rate = 2e6
self.curr_chann_idx_0 = 0
self.curr_chann_idx_1 = 0
self.FH_seq = FH_seq
##################################################
# Blocks
##################################################
self.analog_pwr_squelch_xx_0 = analog.pwr_squelch_cc(-25, 1, 25, False)
self.analog_pwr_squelch_xx_1 = analog.pwr_squelch_cc(-25, 1, 25, False)
self.uhd_usrp_source_0 = uhd.usrp_source(
device_addr="addr0=192.168.20.2, addr1=192.168.30.2",
stream_args=uhd.stream_args(
cpu_format="fc32",
channels=range(2),
),
)
self.uhd_usrp_source_0.set_clock_source("mimo", 1)
self.uhd_usrp_source_0.set_time_source("mimo", 1)
self.uhd_usrp_source_0.set_samp_rate(samp_rate)
self.uhd_usrp_source_0.set_center_freq(2.43064e9, 0)
self.uhd_usrp_source_0.set_gain(0, 0)
self.uhd_usrp_source_0.set_antenna("RX2", 0)
self.uhd_usrp_source_0.set_center_freq(2.43064e9, 1)
self.uhd_usrp_source_0.set_gain(0, 1)
self.uhd_usrp_source_0.set_antenna("RX2", 1)
def _sql_on_probe():
while True:
val = self.analog_pwr_squelch_xx_0.unmuted()
try:
self.set_sql_on(val)
except AttributeError, e:
pass
time.sleep((0.001))
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="air band receiver")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Variables
##################################################
self.udp_dest_port = udp_dest_port = 8082
self.udp_dest_host = udp_dest_host = "192.168.10.30"
self.sql = sql = -10.0
self.samp_rate = samp_rate = 2.4e6
self.rfgain = rfgain = 49.5
self.frq_corr = frq_corr = 30.0
self.device_arg = device_arg = "rtl_tcp=192.168.10.109:1235"
self.base_freq = base_freq = 120.5e6
##################################################
# Blocks
##################################################
self.osmosdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + device_arg )
self.osmosdr_source_0.set_sample_rate(samp_rate)
self.osmosdr_source_0.set_center_freq(base_freq, 0)
self.osmosdr_source_0.set_freq_corr(frq_corr, 0)
self.osmosdr_source_0.set_dc_offset_mode(2, 0)
self.osmosdr_source_0.set_iq_balance_mode(2, 0)
self.osmosdr_source_0.set_gain_mode(True, 0)
self.osmosdr_source_0.set_gain(rfgain, 0)
self.osmosdr_source_0.set_if_gain(0, 0)
self.osmosdr_source_0.set_bb_gain(0, 0)
self.osmosdr_source_0.set_antenna('RX', 0)
self.osmosdr_source_0.set_bandwidth(0, 0)
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(50, (firdes.low_pass_2(1,samp_rate,25e3,10e3,40)), 0, samp_rate)
self.blocks_udp_sink_0 = blocks.udp_sink(gr.sizeof_short*1, udp_dest_host, udp_dest_port, 1472, True)
self.blocks_float_to_short_0 = blocks.float_to_short(1, 32767)
self.analog_pwr_squelch_xx_0 = analog.pwr_squelch_cc(sql, 1e-4, 0, False)
self.analog_am_demod_cf_0 = analog.am_demod_cf(
channel_rate=48e3,
audio_decim=1,
audio_pass=5000,
audio_stop=5500,
)
self.analog_agc2_xx_0 = analog.agc2_cc(1e-3, 1e-5, 1.0, 0)
self.analog_agc2_xx_0.set_max_gain(5)
##################################################
# Connections
##################################################
self.connect((self.analog_agc2_xx_0, 0), (self.analog_pwr_squelch_xx_0, 0))
self.connect((self.analog_am_demod_cf_0, 0), (self.blocks_float_to_short_0, 0))
self.connect((self.analog_pwr_squelch_xx_0, 0), (self.analog_am_demod_cf_0, 0))
self.connect((self.blocks_float_to_short_0, 0), (self.blocks_udp_sink_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.analog_agc2_xx_0, 0))
self.connect((self.osmosdr_source_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
def __init__(self, FH_seq):
gr.top_block.__init__(self, "Test2")
##################################################
# Variables
##################################################
self.sql_on = sql_on = 0
self.samp_rate = samp_rate = 2e6
self.curr_chann_idx = 0
self.FH_seq = FH_seq
##################################################
# Blocks
##################################################
#self.analog_noise_source = analog.noise_source_c(analog.GR_GAUSSIAN, 0)
self.cosine_source = analog.sig_source_c(samp_rate, analog.GR_COS_WAVE,
1000, 1, 0)
self.analog_pwr_squelch_xx_1 = analog.pwr_squelch_cc(-30, 1, 25, False)
self.uhd_usrp_source_0 = uhd.usrp_source(
device_addr="addr=192.168.30.2",
stream_args=uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_source_0.set_subdev_spec("A:0", 0)
self.uhd_usrp_source_0.set_samp_rate(samp_rate)
self.uhd_usrp_source_0.set_center_freq(2.43665e9, 0)
self.uhd_usrp_source_0.set_gain(0, 0)
self.uhd_usrp_source_0.set_antenna("RX2", 0)
self.uhd_usrp_sink = uhd.usrp_sink(
device_addr="addr=192.168.30.2",
stream_args=uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_sink.set_subdev_spec("A:0", 0)
self.uhd_usrp_sink.set_samp_rate(samp_rate)
self.uhd_usrp_sink.set_center_freq(2.43665e9, 0)
self.uhd_usrp_sink.set_gain(31.5, 0)
self.uhd_usrp_sink.set_antenna("TX/RX", 0)
def _sql_on_probe():
while True:
val = self.analog_pwr_squelch_xx_1.unmuted()
try:
self.set_sql_on(val)
except AttributeError, e:
pass
time.sleep((0.001))
def __init__(self, samp_rate_in, samp_rate_out, center_freq, tune_freq,
channel_width, transition_width, threshold, fsk_deviation,
fskSquelch, iq_filename, dig_out_filename):
gr.top_block.__init__(self)
##################################################
# Variables
##################################################
self.cutoff_freq = channel_width / 2
self.firdes_taps = firdes.low_pass(1, samp_rate_in, self.cutoff_freq,
transition_width)
##################################################
# Blocks
##################################################
self.blocks_file_source_0 = blocks.file_source(
gr.sizeof_gr_complex * 1, iq_filename, False)
self.blocks_tuning_filter_0 = filter.freq_xlating_fir_filter_ccc(
int(samp_rate_in / samp_rate_out), (self.firdes_taps),
tune_freq - center_freq, samp_rate_in)
self.analog_pwr_squelch_xx_0 = analog.pwr_squelch_cc(
fskSquelch, 1, 1, False)
self.blocks_quadrature_demod_0 = analog.quadrature_demod_cf(
samp_rate_out / (2 * pi * fsk_deviation / 2))
self.blocks_add_const_vxx_0 = blocks.add_const_vff((-1 * threshold, ))
self.blocks_digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
# swapped message sink for file sink
#self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_char*1, dig_out_filename, False)
#self.blocks_file_sink_0.set_unbuffered(False)
self.sink_queue = gr.msg_queue()
self.blocks_message_sink_0 = blocks.message_sink(
gr.sizeof_char * 1, self.sink_queue, False)
##################################################
# Connections
##################################################
self.connect((self.blocks_file_source_0, 0),
(self.blocks_tuning_filter_0, 0))
self.connect((self.blocks_tuning_filter_0, 0),
(self.analog_pwr_squelch_xx_0, 0))
self.connect((self.analog_pwr_squelch_xx_0, 0),
(self.blocks_quadrature_demod_0, 0))
self.connect((self.blocks_quadrature_demod_0, 0),
(self.blocks_add_const_vxx_0, 0))
self.connect((self.blocks_add_const_vxx_0, 0),
(self.blocks_digital_binary_slicer_fb_0, 0))
#self.connect((self.digital_binary_slicer_fb_0, 0), (self.blocks_file_sink_0, 0))
self.connect((self.blocks_digital_binary_slicer_fb_0, 0),
(self.blocks_message_sink_0, 0))
def __init__(self, f_in, f_out, base_freq, freq_offset, samp_rate, bit_rate):
gr.top_block.__init__(self, "Demod Fsk Gen")
##################################################
# Variables
##################################################
self.samp_rate = samp_rate
self.bit_rate = bit_rate
self.samp_per_sym = samp_per_sym = int(samp_rate/bit_rate)
self.fxff_decimation = fxff_decimation = 1
self.fsk_deviation_hz = fsk_deviation_hz = 160000
self.freq_offset = freq_offset
self.base_freq = base_freq
if not f_out:
f_out = f_in + '.demod'
##################################################
# Blocks
##################################################
self.low_pass_filter_0 = filter.fir_filter_fff(1, firdes.low_pass(
1, samp_rate/fxff_decimation, bit_rate*0.8, bit_rate*.2, firdes.WIN_BLACKMAN, 6.76))
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(fxff_decimation, (firdes.low_pass(1, samp_rate, bit_rate*1.1, bit_rate*.4, firdes.WIN_BLACKMAN, 6.76)), freq_offset, samp_rate)
self.blocks_uchar_to_float_0 = blocks.uchar_to_float()
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate/32,True)
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_file_source_0 = blocks.file_source(gr.sizeof_char*1, f_in, False)
self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_char*1, f_out, False)
self.blocks_file_sink_0.set_unbuffered(False)
self.blocks_deinterleave_0 = blocks.deinterleave(gr.sizeof_float*1)
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(samp_rate/(2*math.pi*fsk_deviation_hz/8.0)/fxff_decimation)
self.analog_pwr_squelch_xx_0 = analog.pwr_squelch_cc(30, 0.3, 0, False)
##################################################
# Connections
##################################################
self.connect((self.blocks_file_source_0, 0), (self.blocks_uchar_to_float_0, 0))
self.connect((self.blocks_uchar_to_float_0, 0), (self.blocks_deinterleave_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_float_to_complex_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.blocks_float_to_char_0, 0))
self.connect((self.analog_quadrature_demod_cf_0, 0), (self.low_pass_filter_0, 0))
self.connect((self.blocks_float_to_char_0, 0), (self.blocks_file_sink_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.analog_pwr_squelch_xx_0, 0))
self.connect((self.analog_pwr_squelch_xx_0, 0), (self.analog_quadrature_demod_cf_0, 0))
def __init__(self,
squelch,
ch_width,
max_dev,
out_scale,
freq,
command,
do_audio=False):
gr.hier_block2.__init__(self, "FMtoCommand",
gr.io_signature(1, 1, gr.sizeof_gr_complex),
gr.io_signature(0, 0, gr.sizeof_gr_complex))
self.analog_pwr_squelch = analog.pwr_squelch_cc(squelch, 1e-4, 0, True)
self.analog_nbfm_rx = analog.nbfm_rx(
audio_rate=ch_width,
quad_rate=ch_width,
tau=75e-6,
max_dev=max_dev,
)
self.blocks_float_to_short = blocks.float_to_short(1, out_scale)
# OSX: if you get Resource Temporarily Unavailable you probably need to increase maxproc, eg
# sudo launchctl limit maxproc 2000 3000
logger.debug("Channel %.3f: Starting %s" % (freq / 1e6, str(command)))
self.p = subprocess.Popen(command,
shell=True,
stdin=subprocess.PIPE,
stdout=subprocess.PIPE)
self.sink = blocks.file_descriptor_sink(gr.sizeof_short * 1,
self.p.stdin.fileno())
self.connect(self, (self.analog_pwr_squelch, 0))
self.connect((self.analog_pwr_squelch, 0), (self.analog_nbfm_rx, 0))
self.connect((self.analog_nbfm_rx, 0), (self.blocks_float_to_short, 0))
self.connect((self.blocks_float_to_short, 0), (self.sink, 0))
if do_audio:
self.resampler = grfilter.rational_resampler_fff(
interpolation=441,
decimation=425,
taps=None,
fractional_bw=None)
self.mult = blocks.multiply_const_vff((0.2, ))
self.audio_sink = audio.sink(22050, '', True)
self.connect((self.analog_nbfm_rx, 0), (self.resampler, 0))
self.connect((self.resampler, 0), (self.mult, 0))
self.connect((self.mult, 0), (self.audio_sink, 0))
def test_pwr_squelch_002(self):
# Test runtime, gate=True
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.pwr_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_pwr_squelch_002(self):
# Test runtime, gate=True
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.pwr_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, rf_params, bb_params, working_samp_rate):
gr.hier_block2.__init__(
self,
"RX Demod Block",
gr.io_signature(1, 1, gr.sizeof_gr_complex * 1), # single in
gr.io_signature(1, 1, gr.sizeof_char * 1) # single out
)
##################################################
# Parameters
##################################################
# ADD VALIDITY CHECKS TO EACH OF THESE
self.symbol_time = bb_params.symbol_time
self.working_samp_rate = working_samp_rate
self.fsk_dev = rf_params.fsk_dev
##################################################
# Variables
##################################################
self.sps = int(self.symbol_time * self.working_samp_rate)
self.sensitivity = 2 * 3.1415 * self.fsk_dev / self.working_samp_rate
##################################################
# Blocks
##################################################
self.analog_pwr_squelch_xx_0 = analog.pwr_squelch_cc(
rfm.PWR_SQUELCH_DB, 1e-4, 0, False)
self.connect((self, 0), (self.analog_pwr_squelch_xx_0, 0))
self.digital_gfsk_demod_0 = digital.gfsk_demod(
samples_per_symbol=self.sps,
sensitivity=self.sensitivity,
gain_mu=0.175,
mu=0.5,
omega_relative_limit=0.005,
freq_error=0.0,
verbose=False,
log=False,
)
self.connect((self.analog_pwr_squelch_xx_0, 0),
(self.digital_gfsk_demod_0, 0))
# output from block
self.connect((self.digital_gfsk_demod_0, 0), (self, 0))
def __init__(self, frame, panel, vbox, argv):
stdgui2.std_top_block.__init__(self, frame, panel, vbox, argv)
sample_rate = 2e6
center_freq = 300e6
filename = '/home/sdr/Desktop/Lab/Labs/Multicode/multi_code_300MHz_2Mss.raw'
fsrc = blocks.file_source(gr.sizeof_gr_complex, filename, True)
throt = blocks.throttle(gr.sizeof_gr_complex, sample_rate)
c_to_m = blocks.complex_to_mag()
#scope = scopesink2.scope_sink_f(panel, sample_rate=sample_rate, size=(1200,800))
rat = filter.fir_filter_ccc(100, filter.firdes.low_pass_2(1, sample_rate, 1000000, 500000, 100))
detector = detect_opener_bits()
squelch = analog.pwr_squelch_cc(-60,1,0,False)
slicer = digital.binary_slicer_fb()
add = blocks.add_const_vff((-.003, ))
self.connect(fsrc, throt)
self.connect(throt, rat)
self.connect(rat, c_to_m)
self.connect(c_to_m, add)
self.connect(add, slicer)
#self.connect(c_to_m, scope)
self.connect(slicer, detector)
def __init__(self, FH_seq, start_chann_idx):
gr.top_block.__init__(self, "Sequence Follower")
##################################################
# Variables
##################################################
self.sql_on = sql_on = 0
self.samp_rate = samp_rate = 32000
self.curr_chann_idx = start_chann_idx
self.FH_seq = FH_seq
##################################################
# Blocks
##################################################
self.analog_pwr_squelch_xx_0 = analog.pwr_squelch_cc(-10, 1, 25, False)
def _sql_on_probe():
while True:
val = self.analog_pwr_squelch_xx_0.unmuted()
try: self.set_sql_on(val)
except AttributeError, e: pass
time.sleep(1.0/(100))
_sql_on_thread = threading.Thread(target=_sql_on_probe)
_sql_on_thread.daemon = True
_sql_on_thread.start()
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccf(64, ( [0.0027054441161453724, 0.002875175094231963, 0.0033175654243677855, 0.004034834913909435, 0.005023509729653597, 0.006274390500038862, 0.007772639859467745, 0.009498009458184242, 0.011425167322158813, 0.013524158857762814, 0.015760963782668114, 0.01809815689921379, 0.020495640113949776, 0.02291143871843815, 0.025302572175860405, 0.027625905349850655, 0.02983906865119934, 0.03190131485462189, 0.03377437964081764, 0.035423289984464645, 0.03681709244847298, 0.03792952373623848, 0.038739532232284546, 0.03923177719116211, 0.039396900683641434, 0.03923177719116211, 0.038739532232284546, 0.03792952373623848, 0.03681709244847298, 0.035423289984464645, 0.03377437964081764, 0.03190131485462189, 0.02983906865119934, 0.027625905349850655, 0.025302572175860405, 0.02291143871843815, 0.020495640113949776, 0.01809815689921379, 0.015760963782668114, 0.013524158857762814, 0.011425167322158813, 0.009498009458184242, 0.007772639859467745, 0.006274390500038862, 0.005023509729653597, 0.004034834913909435, 0.0033175654243677855, 0.002875175094231963, 0.0027054441161453724]), 1000, samp_rate)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate)
self.blocks_file_source_0 = blocks.file_source(gr.sizeof_gr_complex*1, "/home/hocheol/GRC/Sample/FHSS_Sig", True)
self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_gr_complex*1, "/home/hocheol/GRC/Sample/FHSS_Demodulated.cfloat", False)
self.blocks_file_sink_0.set_unbuffered(True)
##################################################
# Connections
##################################################
self.connect((self.blocks_file_source_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.analog_pwr_squelch_xx_0, 0))
self.connect((self.analog_pwr_squelch_xx_0, 0), (self.blocks_file_sink_0, 0))
def __init__(self):
gr.top_block.__init__(self, "NBFM")
Qt.QWidget.__init__(self)
self.setWindowTitle("NBFM")
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")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.radio_freq = radio_freq = 100
self.volume = volume = 5
self.squelch = squelch = -30
self.samp_rate = samp_rate = 240e4
self.rf_gain = rf_gain = 10
self.freq = freq = radio_freq * 1000000
##################################################
# Blocks
##################################################
self._volume_range = Range(0, 10, 1, 5, 200)
self._volume_win = RangeWidget(self._volume_range, self.set_volume,
"Volume", "counter_slider", float)
self.top_layout.addWidget(self._volume_win)
self._squelch_range = Range(-70, 0, 10, -30, 200)
self._squelch_win = RangeWidget(self._squelch_range, self.set_squelch,
"Squelch", "counter_slider", int)
self.top_layout.addWidget(self._squelch_win)
self._rf_gain_range = Range(0, 50, 1, 10, 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.rtlsdr_source_0 = osmosdr.source(args="numchan=" + str(1) + " " +
"")
self.rtlsdr_source_0.set_sample_rate(samp_rate)
self.rtlsdr_source_0.set_center_freq(freq, 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(rf_gain, 0)
self.rtlsdr_source_0.set_if_gain(20, 0)
self.rtlsdr_source_0.set_bb_gain(20, 0)
self.rtlsdr_source_0.set_antenna("", 0)
self.rtlsdr_source_0.set_bandwidth(0, 0)
self.rational_resampler_xxx_1_0 = filter.rational_resampler_fff(
interpolation=60,
decimation=35,
taps=None,
fractional_bw=None,
)
self._radio_freq_tool_bar = Qt.QToolBar(self)
self._radio_freq_tool_bar.addWidget(Qt.QLabel("Frequency (MHz)" +
": "))
self._radio_freq_line_edit = Qt.QLineEdit(str(self.radio_freq))
self._radio_freq_tool_bar.addWidget(self._radio_freq_line_edit)
self._radio_freq_line_edit.returnPressed.connect(
lambda: self.set_radio_freq(
eng_notation.str_to_num(
str(self._radio_freq_line_edit.text().toAscii()))))
self.top_layout.addWidget(self._radio_freq_tool_bar)
self.qtgui_waterfall_sink_x_0 = qtgui.waterfall_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
freq, #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 == type(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
freq, #fc
samp_rate, #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_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0,
"")
self.qtgui_freq_sink_x_0.enable_autoscale(False)
self.qtgui_freq_sink_x_0.enable_grid(False)
self.qtgui_freq_sink_x_0.set_fft_average(1.0)
self.qtgui_freq_sink_x_0.enable_control_panel(False)
if not True:
self.qtgui_freq_sink_x_0.disable_legend()
if complex == type(float()):
self.qtgui_freq_sink_x_0.set_plot_pos_half(not True)
labels = ["", "", "", "", "", "", "", "", "", ""]
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "dark blue"
]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_freq_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_0.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_0.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_0.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_0_win = sip.wrapinstance(
self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_freq_sink_x_0_win)
self.low_pass_filter_0_0 = filter.fir_filter_ccf(
8,
firdes.low_pass(1, samp_rate, 5000, 8000, firdes.WIN_HAMMING,
6.76))
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff(
(volume, ))
self.audio_sink_0 = audio.sink(48000, "", True)
self.analog_pwr_squelch_xx_0 = analog.pwr_squelch_cc(
squelch, 1e-4, 0, True)
self.analog_nbfm_rx_0 = analog.nbfm_rx(
audio_rate=30000,
quad_rate=300000,
tau=75e-6,
max_dev=12.5e3,
)
##################################################
# Connections
##################################################
self.connect((self.analog_nbfm_rx_0, 0),
(self.rational_resampler_xxx_1_0, 0))
self.connect((self.analog_pwr_squelch_xx_0, 0),
(self.low_pass_filter_0_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.audio_sink_0, 0))
self.connect((self.low_pass_filter_0_0, 0), (self.analog_nbfm_rx_0, 0))
self.connect((self.rational_resampler_xxx_1_0, 0),
(self.blocks_multiply_const_vxx_0, 0))
self.connect((self.rtlsdr_source_0, 0),
(self.analog_pwr_squelch_xx_0, 0))
self.connect((self.rtlsdr_source_0, 0), (self.qtgui_freq_sink_x_0, 0))
self.connect((self.rtlsdr_source_0, 0),
(self.qtgui_waterfall_sink_x_0, 0))
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Nbfm Wav Out")
##################################################
# 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.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_0 = filter.rational_resampler_fff(
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_pwr_squelch_xx_0 = analog.pwr_squelch_cc(squelch*-1, 0.1, 1, False)
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.rational_resampler_xxx_0_0, 0))
self.connect((self.analog_pwr_squelch_xx_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_pwr_squelch_xx_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, "Tetra Rx Multi")
options = self.get_options()
##################################################
# Variables
##################################################
self.srate_rx = srate_rx = options.sample_rate
self.channels = srate_rx / 25000
self.srate_channel = 36000
self.afc_period = 5
self.afc_gain = 1.
self.afc_channel = options.auto_tune or -1
self.afc_ppm_step = 100
self.debug = options.debug
self.last_pwr = -100000
self.sig_det_period = 1
self.sig_det_bw = sig_det_bw = options.sig_detection_bw or srate_rx
if self.sig_det_bw <= 1.:
self.sig_det_bw *= srate_rx
self.sig_det_threshold = options.sig_detection_threshold
self.sig_det_channels = []
for ch in range(self.channels):
if ch >= self.channels / 2:
ch_ = (self.channels - ch - 1)
else:
ch_ = ch
if (float(ch_) / self.channels * 2) <= (self.sig_det_bw / srate_rx):
self.sig_det_channels.append(ch)
##################################################
# RPC server
##################################################
self.xmlrpc_server = SimpleXMLRPCServer.SimpleXMLRPCServer(
("localhost", options.listen_port), allow_none=True)
self.xmlrpc_server.register_instance(self)
threading.Thread(target=self.xmlrpc_server.serve_forever).start()
##################################################
# Rx Blocks and connections
##################################################
self.src = osmosdr.source( args=options.args )
self.src.set_sample_rate(srate_rx)
self.src.set_center_freq(options.frequency, 0)
self.src.set_freq_corr(options.ppm, 0)
self.src.set_dc_offset_mode(0, 0)
self.src.set_iq_balance_mode(0, 0)
if options.gain is not None:
self.src.set_gain_mode(False, 0)
self.src.set_gain(36, 0)
else:
self.src.set_gain_mode(True, 0)
out_type, dst_path = options.output.split("://", 1)
if out_type == "udp":
dst_ip, dst_port = dst_path.split(':', 1)
self.freq_xlating = freq_xlating_fft_filter_ccc(1, (1, ), 0, srate_rx)
self.channelizer = pfb.channelizer_ccf(
self.channels,
(firdes.root_raised_cosine(1, srate_rx, 18000, 0.35, 1024)),
36./25.,
100)
self.squelch = []
self.digital_mpsk_receiver_cc = []
self.diff_phasor = []
self.complex_to_arg = []
self.multiply_const = []
self.add_const = []
self.float_to_uchar = []
self.map_bits = []
self.unpack_k_bits = []
self.blocks_sink = []
for ch in range(0, self.channels):
squelch = analog.pwr_squelch_cc(0, 0.001, 0, True)
mpsk = digital.mpsk_receiver_cc(
4, math.pi/4, math.pi/100.0, -0.5, 0.5, 0.25, 0.001, 2, 0.001, 0.001)
diff_phasor = digital.diff_phasor_cc()
complex_to_arg = blocks.complex_to_arg(1)
multiply_const = blocks.multiply_const_vff((2./math.pi, ))
add_const = blocks.add_const_vff((1.5, ))
float_to_uchar = blocks.float_to_uchar()
map_bits = digital.map_bb(([3, 2, 0, 1, 3]))
unpack_k_bits = blocks.unpack_k_bits_bb(2)
if out_type == 'udp':
sink = blocks.udp_sink(gr.sizeof_gr_char, dst_ip, int(dst_port)+ch, 1472, True)
elif out_type == 'file':
sink = blocks.file_sink(gr.sizeof_char, dst_path % ch, False)
sink.set_unbuffered(True)
else:
raise ValueError("Invalid output URL '%s'" % options.output)
self.connect((self.channelizer, ch),
(squelch, 0),
(mpsk, 0),
(diff_phasor, 0),
(complex_to_arg, 0),
(multiply_const, 0),
(add_const, 0),
(float_to_uchar, 0),
(map_bits, 0),
(unpack_k_bits, 0),
(sink, 0))
self.squelch.append(squelch)
self.digital_mpsk_receiver_cc.append(mpsk)
self.diff_phasor.append(diff_phasor)
self.complex_to_arg.append(complex_to_arg)
self.multiply_const.append(multiply_const)
self.add_const.append(add_const)
self.float_to_uchar.append(float_to_uchar)
self.map_bits.append(map_bits)
self.unpack_k_bits.append(unpack_k_bits)
self.blocks_sink.append(sink)
self.connect(
(self.src, 0),
(self.freq_xlating, 0),
(self.channelizer, 0))
##################################################
# signal strenght identification
##################################################
self.pwr_probes = []
for ch in range(self.channels):
pwr_probe = analog.probe_avg_mag_sqrd_c(0, 1./self.srate_channel)
self.pwr_probes.append(pwr_probe)
self.connect((self.channelizer, ch), (pwr_probe, 0))
def _sig_det_probe():
while True:
pwr = [self.pwr_probes[ch].level()
for ch in range(self.channels)
if ch in self.sig_det_channels]
pwr = [10 * math.log10(p) for p in pwr if p > 0.]
if not pwr:
continue
pwr = min(pwr) + self.sig_det_threshold
print "Power level for squelch % 5.1f" % pwr
if abs(pwr - self.last_pwr) > (self.sig_det_threshold / 2):
for s in self.squelch:
s.set_threshold(pwr)
self.last_pwr = pwr
time.sleep(self.sig_det_period)
if self.sig_det_threshold is not None:
self._sig_det_probe_thread = threading.Thread(target=_sig_det_probe)
self._sig_det_probe_thread.daemon = True
self._sig_det_probe_thread.start()
##################################################
# AFC blocks and connections
##################################################
self.afc_selector = grc_blks2.selector(
item_size=gr.sizeof_gr_complex,
num_inputs=self.channels,
num_outputs=1,
input_index=0,
output_index=0,
)
self.afc_demod = analog.quadrature_demod_cf(self.srate_channel/(2*math.pi))
samp_afc = self.srate_channel*self.afc_period / 2
self.afc_avg = blocks.moving_average_ff(samp_afc, 1./samp_afc*self.afc_gain)
self.afc_probe = blocks.probe_signal_f()
def _afc_probe():
while True:
time.sleep(self.afc_period)
if self.afc_channel == -1:
continue
err = self.afc_probe.level()
if abs(err) < self.afc_ppm_step:
continue
freq = self.freq_xlating.center_freq + err * self.afc_gain
if self.debug:
print "err: %f\tfreq: %f" % (err, freq, )
self.freq_xlating.set_center_freq(freq)
self._afc_err_thread = threading.Thread(target=_afc_probe)
self._afc_err_thread.daemon = True
self._afc_err_thread.start()
for ch in range(self.channels):
self.connect((self.channelizer, ch), (self.afc_selector, ch))
self.connect(
(self.afc_selector, 0),
(self.afc_demod, 0),
(self.afc_avg, 0),
(self.afc_probe, 0))
if self.afc_channel != -1:
self.afc_selector.set_input_index(self.afc_channel)
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.symbol_rate = symbol_rate = 60000
self.symbol_period = symbol_period = pow(symbol_rate,-1)
self.samp_rate = samp_rate = 300e3
self.samp_per_sym = samp_per_sym = 5
self.packet_len = packet_len = 256
self.decimation = decimation = 1
self.bits_per_sym = bits_per_sym = 1
self.Sq_Thresh = Sq_Thresh = -30
self.RF_Gain = RF_Gain = 20
self.Fc = Fc = 175e6
##################################################
# Blocks
##################################################
_Sq_Thresh_sizer = wx.BoxSizer(wx.VERTICAL)
self._Sq_Thresh_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_Sq_Thresh_sizer,
value=self.Sq_Thresh,
callback=self.set_Sq_Thresh,
label="Squelch Threshold",
converter=forms.float_converter(),
proportion=0,
)
self._Sq_Thresh_slider = forms.slider(
parent=self.GetWin(),
sizer=_Sq_Thresh_sizer,
value=self.Sq_Thresh,
callback=self.set_Sq_Thresh,
minimum=-50,
maximum=20,
num_steps=1000,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_Sq_Thresh_sizer, 0, 2, 1, 1)
_RF_Gain_sizer = wx.BoxSizer(wx.VERTICAL)
self._RF_Gain_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_RF_Gain_sizer,
value=self.RF_Gain,
callback=self.set_RF_Gain,
label="RF Gain",
converter=forms.float_converter(),
proportion=0,
)
self._RF_Gain_slider = forms.slider(
parent=self.GetWin(),
sizer=_RF_Gain_sizer,
value=self.RF_Gain,
callback=self.set_RF_Gain,
minimum=0,
maximum=50,
num_steps=1000,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_RF_Gain_sizer, 0, 0, 1, 1)
_Fc_sizer = wx.BoxSizer(wx.VERTICAL)
self._Fc_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_Fc_sizer,
value=self.Fc,
callback=self.set_Fc,
label="Center Frequency",
converter=forms.float_converter(),
proportion=0,
)
self._Fc_slider = forms.slider(
parent=self.GetWin(),
sizer=_Fc_sizer,
value=self.Fc,
callback=self.set_Fc,
minimum=50e6,
maximum=1700e6,
num_steps=1000,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_Fc_sizer, 0, 1, 1, 1)
self.osmosdr_source_0_0 = osmosdr.source( args="numchan=" + str(1) + " " + 'rtl_tcp=10.0.0.13:1234' )
self.osmosdr_source_0_0.set_sample_rate(samp_rate)
self.osmosdr_source_0_0.set_center_freq(Fc+10e6, 0)
self.osmosdr_source_0_0.set_freq_corr(0, 0)
self.osmosdr_source_0_0.set_dc_offset_mode(0, 0)
self.osmosdr_source_0_0.set_iq_balance_mode(0, 0)
self.osmosdr_source_0_0.set_gain_mode(False, 0)
self.osmosdr_source_0_0.set_gain(RF_Gain, 0)
self.osmosdr_source_0_0.set_if_gain(0, 0)
self.osmosdr_source_0_0.set_bb_gain(0, 0)
self.osmosdr_source_0_0.set_antenna("", 0)
self.osmosdr_source_0_0.set_bandwidth(0, 0)
self.osmosdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + 'rtl_tcp=10.0.0.12:1234' )
self.osmosdr_source_0.set_sample_rate(samp_rate)
self.osmosdr_source_0.set_center_freq(Fc, 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(0, 0)
self.osmosdr_source_0.set_if_gain(0, 0)
self.osmosdr_source_0.set_bb_gain(0, 0)
self.osmosdr_source_0.set_antenna("", 0)
self.osmosdr_source_0.set_bandwidth(0, 0)
self.blocks_skiphead_0_0 = blocks.skiphead(gr.sizeof_gr_complex*1, int(samp_rate)*5)
self.blocks_skiphead_0 = blocks.skiphead(gr.sizeof_gr_complex*1, int(samp_rate)*5)
self.blocks_pack_k_bits_bb_0_0 = blocks.pack_k_bits_bb(8)
self.blocks_pack_k_bits_bb_0 = blocks.pack_k_bits_bb(8)
self.blocks_null_sink_0_0 = blocks.null_sink(gr.sizeof_float*1)
self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_float*1)
self.blocks_float_to_char_0_0 = blocks.float_to_char(1, 1)
self.blocks_float_to_char_0 = blocks.float_to_char(1, 1)
self.blks2_tcp_sink_0_0_0 = grc_blks2.tcp_sink(
itemsize=gr.sizeof_char*1,
addr="127.0.0.1",
port=3493,
server=True,
)
self.blks2_tcp_sink_0_0 = grc_blks2.tcp_sink(
itemsize=gr.sizeof_char*1,
addr="127.0.0.1",
port=3491,
server=True,
)
self.analog_pwr_squelch_xx_0_0 = analog.pwr_squelch_cc(Sq_Thresh, 0.01, 5, True)
self.analog_pwr_squelch_xx_0 = analog.pwr_squelch_cc(-10, 0.01, 5, True)
self.analog_fm_demod_cf_0_0 = analog.fm_demod_cf(
channel_rate=samp_rate,
audio_decim=decimation,
deviation=75e3,
audio_pass=120e3,
audio_stop=140e3,
gain=1.0,
tau=75e-6,
)
self.analog_fm_demod_cf_0 = analog.fm_demod_cf(
channel_rate=samp_rate,
audio_decim=decimation,
deviation=75e3,
audio_pass=120e3,
audio_stop=140e3,
gain=1.0,
tau=75e-6,
)
self.RPi_Rx_RPi_Rx_0_0 = RPi_Rx.RPi_Rx(bits_per_sym, samp_per_sym, packet_len, 65)
self.RPi_Rx_RPi_Rx_0 = RPi_Rx.RPi_Rx(bits_per_sym, samp_per_sym, packet_len, 65)
##################################################
# Connections
##################################################
self.connect((self.analog_fm_demod_cf_0, 0), (self.RPi_Rx_RPi_Rx_0, 0))
self.connect((self.RPi_Rx_RPi_Rx_0, 0), (self.blocks_null_sink_0, 0))
self.connect((self.RPi_Rx_RPi_Rx_0, 0), (self.blocks_float_to_char_0, 0))
self.connect((self.analog_pwr_squelch_xx_0, 0), (self.analog_fm_demod_cf_0, 0))
self.connect((self.blocks_skiphead_0, 0), (self.analog_pwr_squelch_xx_0, 0))
self.connect((self.osmosdr_source_0, 0), (self.blocks_skiphead_0, 0))
self.connect((self.blocks_float_to_char_0, 0), (self.blocks_pack_k_bits_bb_0, 0))
self.connect((self.blocks_pack_k_bits_bb_0, 0), (self.blks2_tcp_sink_0_0, 0))
self.connect((self.blocks_float_to_char_0_0, 0), (self.blocks_pack_k_bits_bb_0_0, 0))
self.connect((self.blocks_pack_k_bits_bb_0_0, 0), (self.blks2_tcp_sink_0_0_0, 0))
self.connect((self.analog_fm_demod_cf_0_0, 0), (self.RPi_Rx_RPi_Rx_0_0, 0))
self.connect((self.RPi_Rx_RPi_Rx_0_0, 0), (self.blocks_null_sink_0_0, 0))
self.connect((self.RPi_Rx_RPi_Rx_0_0, 0), (self.blocks_float_to_char_0_0, 0))
self.connect((self.analog_pwr_squelch_xx_0_0, 0), (self.analog_fm_demod_cf_0_0, 0))
self.connect((self.blocks_skiphead_0_0, 0), (self.analog_pwr_squelch_xx_0_0, 0))
self.connect((self.osmosdr_source_0_0, 0), (self.blocks_skiphead_0_0, 0))
def __init__(self,infile, outfile, input_rate, channel_rate, codec_provoice, codec_p25, sslevel, svlevel):
gr.top_block.__init__(self, "Top Block")
self.input_rate = input_rate
self.channel_rate = channel_rate
self.source = blocks.file_source(gr.sizeof_gr_complex*1, infile, False)
self.lp1_decim = int(input_rate/(channel_rate*1.6))
print self.lp1_decim
self.lp1 = filter.fir_filter_ccc(self.lp1_decim,firdes.low_pass( 1.0, self.input_rate, (self.channel_rate/2), ((self.channel_rate/2)*0.6), firdes.WIN_HAMMING))
#self.audiodemod = gr.quadrature_demod_cf(1)
audio_pass = (input_rate/self.lp1_decim)*0.25
audio_stop = audio_pass+2000
self.audiodemod = analog.fm_demod_cf(channel_rate=(input_rate/self.lp1_decim), audio_decim=1, deviation=15000, audio_pass=audio_pass, audio_stop=audio_stop, gain=8, tau=75e-6)
self.throttle = blocks.throttle(gr.sizeof_gr_complex*1, self.input_rate)
self.signal_squelch = analog.pwr_squelch_cc(sslevel,0.01, 0, True)
self.vox_squelch = analog.pwr_squelch_ff(svlevel, 0.0005, 0, True)
self.audiosink = blocks.wavfile_sink(outfile, 1, 8000)
if codec_provoice:
self.dsd = dsd.block_ff(dsd.dsd_FRAME_PROVOICE,dsd.dsd_MOD_AUTO_SELECT,1,0,False)
channel_rate = input_rate/self.lp1_decim
self.resampler_in = filter.rational_resampler_fff(interpolation=48000, decimation=channel_rate, taps=None, fractional_bw=None, )
output_rate = 8000
resampler = filter.rational_resampler_fff(
interpolation=(input_rate/self.lp1_decim),
decimation=output_rate,
taps=None,
fractional_bw=None,
)
elif codec_p25:
symbol_deviation = 600.0
symbol_rate = 4800
channel_rate = input_rate/self.lp1_decim
fm_demod_gain = channel_rate / (2.0 * pi * symbol_deviation)
fm_demod = analog.quadrature_demod_cf(fm_demod_gain)
symbol_decim = 1
samples_per_symbol = channel_rate // symbol_rate
symbol_coeffs = (1.0/samples_per_symbol,) * samples_per_symbol
symbol_filter = filter.fir_filter_fff(symbol_decim, symbol_coeffs)
autotuneq = gr.msg_queue(2)
demod_fsk4 = op25.fsk4_demod_ff(autotuneq, channel_rate, symbol_rate)
# symbol slicer
levels = [ -2.0, 0.0, 2.0, 4.0 ]
slicer = op25.fsk4_slicer_fb(levels)
imbe = repeater.vocoder(False, True, 0, "", 0, False)
self.decodequeue = decodequeue = gr.msg_queue(10000)
decoder = repeater.p25_frame_assembler('', 0, 0, True, True, False, decodequeue)
float_conversion = blocks.short_to_float(1, 8192)
resampler = filter.rational_resampler_fff(
interpolation=8000,
decimation=8000,
taps=None,
fractional_bw=None,
)
#Tone squelch, custom GRC block that rips off CTCSS squelch to detect 4800 hz tone and latch squelch after that
if not codec_provoice and not codec_p25:
#self.tone_squelch = gr.tone_squelch_ff(audiorate, 4800.0, 0.05, 300, 0, True)
#tone squelch is EDACS ONLY
self.high_pass = filter.fir_filter_fff(1, firdes.high_pass(1, (input_rate/self.lp1_decim), 300, 30, firdes.WIN_HAMMING, 6.76))
#output_rate = channel_rate
resampler = filter.rational_resampler_fff(
interpolation=8000,
decimation=(input_rate/self.lp1_decim),
taps=None,
fractional_bw=None,
)
if(codec_provoice):
self.connect(self.source, self.throttle, self.lp1, self.audiodemod, self.resampler_in, self.dsd, self.audiosink)
elif(codec_p25):
self.connect(self.source, self.throttle, self.lp1, fm_demod, symbol_filter, demod_fsk4, slicer, decoder, imbe, float_conversion, resampler, self.audiosink)
else:
self.connect(self.source, self.throttle, self.lp1, self.signal_squelch, self.audiodemod, self.high_pass, self.vox_squelch, resampler, self.audiosink)
self.time_open = time.time()
self.time_tone = 0
self.time_activity = 0
def __init__(self):
gr.top_block.__init__(self, "Multimon Flex Rtl Tcp")
Qt.QWidget.__init__(self)
self.setWindowTitle("Multimon Flex Rtl Tcp")
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", "multimon_flex_rtl_tcp")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 2.4e6
self.channel_9 = channel_9 = 931.45e6
self.channel_8 = channel_8 = 931.4e6
self.channel_7 = channel_7 = 931.85e6
self.channel_6 = channel_6 = 931.5e6
self.channel_5 = channel_5 = 929.7e6
self.channel_4 = channel_4 = 929.650e6
self.channel_3 = channel_3 = 929.6e6
self.channel_2 = channel_2 = 929.5e6
self.channel_12 = channel_12 = 929.85e6
self.channel_11 = channel_11 = 929.8e6
self.channel_10 = channel_10 = 929.65e6
self.channel_1 = channel_1 = 929.65e6
self.channel_0 = channel_0 = 929.6e6
self.xlate_filter_taps = xlate_filter_taps = firdes.low_pass(1, samp_rate, 125000, 25000, firdes.WIN_HAMMING, 6.76)
self.variable_qtgui_range_0 = variable_qtgui_range_0 = 50
self.sqlch = sqlch = -50
self.if_gain = if_gain = 40
self.gain = gain = 50
self.firdes_tap = firdes_tap = firdes.low_pass(1, samp_rate, 125000, 25000, firdes.WIN_HAMMING, 6.76)
self.corr = corr = -13.5
self.channel_13 = channel_13 = 929.625e6
self.center_freq_1 = center_freq_1 = sum([channel_6, channel_7] ) / float(len([channel_6, channel_7]))
self.center_freq_0 = center_freq_0 = sum([channel_0, channel_1] ) / float(len([channel_0, channel_1]))
self.center_freq = center_freq = sum([channel_0, channel_1, channel_2, channel_3, channel_4, channel_5, channel_6, channel_7, channel_8, channel_9, channel_10, channel_11, channel_12] ) / float(len([channel_0, channel_1, channel_2, channel_3, channel_4, channel_5, channel_6, channel_7, channel_8, channel_9, channel_10, channel_11, channel_12]))
self.bb_gain = bb_gain = 40
##################################################
# Blocks
##################################################
self._sqlch_range = Range(-150, -20, 500, -50, 200)
self._sqlch_win = RangeWidget(self._sqlch_range, self.set_sqlch, "sqlch", "counter_slider", float)
self.top_layout.addWidget(self._sqlch_win)
self._if_gain_range = Range(0, 60, 100, 40, 200)
self._if_gain_win = RangeWidget(self._if_gain_range, self.set_if_gain, "if_gain", "counter", float)
self.top_layout.addWidget(self._if_gain_win)
self._gain_range = Range(0, 100, 100, 50, 200)
self._gain_win = RangeWidget(self._gain_range, self.set_gain, "gain", "counter", float)
self.top_layout.addWidget(self._gain_win)
self._corr_range = Range(-100, 100, 100, -13.5, 200)
self._corr_win = RangeWidget(self._corr_range, self.set_corr, "corr", "counter", float)
self.top_layout.addWidget(self._corr_win)
self._channel_7_tool_bar = Qt.QToolBar(self)
self._channel_7_tool_bar.addWidget(Qt.QLabel("channel_7"+": "))
self._channel_7_line_edit = Qt.QLineEdit(str(self.channel_7))
self._channel_7_tool_bar.addWidget(self._channel_7_line_edit)
self._channel_7_line_edit.returnPressed.connect(
lambda: self.set_channel_7(eng_notation.str_to_num(str(self._channel_7_line_edit.text().toAscii()))))
self.top_layout.addWidget(self._channel_7_tool_bar)
self._channel_6_tool_bar = Qt.QToolBar(self)
self._channel_6_tool_bar.addWidget(Qt.QLabel("channel_6"+": "))
self._channel_6_line_edit = Qt.QLineEdit(str(self.channel_6))
self._channel_6_tool_bar.addWidget(self._channel_6_line_edit)
self._channel_6_line_edit.returnPressed.connect(
lambda: self.set_channel_6(eng_notation.str_to_num(str(self._channel_6_line_edit.text().toAscii()))))
self.top_layout.addWidget(self._channel_6_tool_bar)
self._channel_1_tool_bar = Qt.QToolBar(self)
self._channel_1_tool_bar.addWidget(Qt.QLabel("channel_1"+": "))
self._channel_1_line_edit = Qt.QLineEdit(str(self.channel_1))
self._channel_1_tool_bar.addWidget(self._channel_1_line_edit)
self._channel_1_line_edit.returnPressed.connect(
lambda: self.set_channel_1(eng_notation.str_to_num(str(self._channel_1_line_edit.text().toAscii()))))
self.top_layout.addWidget(self._channel_1_tool_bar)
self._channel_0_tool_bar = Qt.QToolBar(self)
self._channel_0_tool_bar.addWidget(Qt.QLabel("channel_0"+": "))
self._channel_0_line_edit = Qt.QLineEdit(str(self.channel_0))
self._channel_0_tool_bar.addWidget(self._channel_0_line_edit)
self._channel_0_line_edit.returnPressed.connect(
lambda: self.set_channel_0(eng_notation.str_to_num(str(self._channel_0_line_edit.text().toAscii()))))
self.top_layout.addWidget(self._channel_0_tool_bar)
self._bb_gain_range = Range(0, 100, 100, 40, 200)
self._bb_gain_win = RangeWidget(self._bb_gain_range, self.set_bb_gain, "bb_gain", "counter", float)
self.top_layout.addWidget(self._bb_gain_win)
self._variable_qtgui_range_0_range = Range(0, 100, 1, 50, 200)
self._variable_qtgui_range_0_win = RangeWidget(self._variable_qtgui_range_0_range, self.set_variable_qtgui_range_0, "variable_qtgui_range_0", "counter_slider", float)
self.top_layout.addWidget(self._variable_qtgui_range_0_win)
self.osmosdr_source_0_0 = osmosdr.source( args="numchan=" + str(1) + " " + 'rtl=1' )
self.osmosdr_source_0_0.set_sample_rate(samp_rate)
self.osmosdr_source_0_0.set_center_freq(center_freq_1 - 100000, 0)
self.osmosdr_source_0_0.set_freq_corr(corr, 0)
self.osmosdr_source_0_0.set_dc_offset_mode(0, 0)
self.osmosdr_source_0_0.set_iq_balance_mode(2, 0)
self.osmosdr_source_0_0.set_gain_mode(True, 0)
self.osmosdr_source_0_0.set_gain(gain, 0)
self.osmosdr_source_0_0.set_if_gain(if_gain, 0)
self.osmosdr_source_0_0.set_bb_gain(bb_gain, 0)
self.osmosdr_source_0_0.set_antenna('', 0)
self.osmosdr_source_0_0.set_bandwidth(0, 0)
self.osmosdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + 'rtl=0' )
self.osmosdr_source_0.set_sample_rate(samp_rate)
self.osmosdr_source_0.set_center_freq(center_freq_0 - 100000, 0)
self.osmosdr_source_0.set_freq_corr(corr, 0)
self.osmosdr_source_0.set_dc_offset_mode(0, 0)
self.osmosdr_source_0.set_iq_balance_mode(2, 0)
self.osmosdr_source_0.set_gain_mode(True, 0)
self.osmosdr_source_0.set_gain(gain, 0)
self.osmosdr_source_0.set_if_gain(if_gain, 0)
self.osmosdr_source_0.set_bb_gain(bb_gain, 0)
self.osmosdr_source_0.set_antenna('', 0)
self.osmosdr_source_0.set_bandwidth(0, 0)
self.low_pass_filter_0_0_0_0_1 = filter.fir_filter_ccf(1, firdes.low_pass(
1, 48e3, 7.5e3, 5e3, firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_0_0_0_0_0_0 = filter.fir_filter_ccf(1, firdes.low_pass(
1, 48e3, 7.5e3, 5e3, firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_0_0 = filter.fir_filter_ccf(1, firdes.low_pass(
1, 48e3, 7.5e3, 5e3, firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_0 = filter.fir_filter_ccf(1, firdes.low_pass(
1, 48e3, 7.5e3, 5e3, firdes.WIN_HAMMING, 6.76))
self.freq_xlating_fir_filter_xxx_0_0_0_0_1 = filter.freq_xlating_fir_filter_ccc(int(samp_rate / 48000), (firdes_tap), channel_6 - center_freq_1, samp_rate)
self.freq_xlating_fir_filter_xxx_0_0_0_0_0_0 = filter.freq_xlating_fir_filter_ccc(int(samp_rate / 48000), (firdes_tap), channel_7 - center_freq_1, samp_rate)
self.freq_xlating_fir_filter_xxx_0_0 = filter.freq_xlating_fir_filter_ccc(int(samp_rate / 48000), (firdes_tap), channel_1 - center_freq_0, samp_rate)
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(int(samp_rate / 48000), (firdes_tap), channel_0 - center_freq_0, samp_rate)
self._channel_9_tool_bar = Qt.QToolBar(self)
self._channel_9_tool_bar.addWidget(Qt.QLabel("channel_9"+": "))
self._channel_9_line_edit = Qt.QLineEdit(str(self.channel_9))
self._channel_9_tool_bar.addWidget(self._channel_9_line_edit)
self._channel_9_line_edit.returnPressed.connect(
lambda: self.set_channel_9(eng_notation.str_to_num(str(self._channel_9_line_edit.text().toAscii()))))
self.top_layout.addWidget(self._channel_9_tool_bar)
self._channel_8_tool_bar = Qt.QToolBar(self)
self._channel_8_tool_bar.addWidget(Qt.QLabel("channel_8"+": "))
self._channel_8_line_edit = Qt.QLineEdit(str(self.channel_8))
self._channel_8_tool_bar.addWidget(self._channel_8_line_edit)
self._channel_8_line_edit.returnPressed.connect(
lambda: self.set_channel_8(eng_notation.str_to_num(str(self._channel_8_line_edit.text().toAscii()))))
self.top_layout.addWidget(self._channel_8_tool_bar)
self._channel_5_tool_bar = Qt.QToolBar(self)
self._channel_5_tool_bar.addWidget(Qt.QLabel("channel_5"+": "))
self._channel_5_line_edit = Qt.QLineEdit(str(self.channel_5))
self._channel_5_tool_bar.addWidget(self._channel_5_line_edit)
self._channel_5_line_edit.returnPressed.connect(
lambda: self.set_channel_5(eng_notation.str_to_num(str(self._channel_5_line_edit.text().toAscii()))))
self.top_layout.addWidget(self._channel_5_tool_bar)
self._channel_4_tool_bar = Qt.QToolBar(self)
self._channel_4_tool_bar.addWidget(Qt.QLabel("channel_4"+": "))
self._channel_4_line_edit = Qt.QLineEdit(str(self.channel_4))
self._channel_4_tool_bar.addWidget(self._channel_4_line_edit)
self._channel_4_line_edit.returnPressed.connect(
lambda: self.set_channel_4(eng_notation.str_to_num(str(self._channel_4_line_edit.text().toAscii()))))
self.top_layout.addWidget(self._channel_4_tool_bar)
self._channel_3_tool_bar = Qt.QToolBar(self)
self._channel_3_tool_bar.addWidget(Qt.QLabel("channel_3"+": "))
self._channel_3_line_edit = Qt.QLineEdit(str(self.channel_3))
self._channel_3_tool_bar.addWidget(self._channel_3_line_edit)
self._channel_3_line_edit.returnPressed.connect(
lambda: self.set_channel_3(eng_notation.str_to_num(str(self._channel_3_line_edit.text().toAscii()))))
self.top_layout.addWidget(self._channel_3_tool_bar)
self._channel_2_tool_bar = Qt.QToolBar(self)
self._channel_2_tool_bar.addWidget(Qt.QLabel("channel_2"+": "))
self._channel_2_line_edit = Qt.QLineEdit(str(self.channel_2))
self._channel_2_tool_bar.addWidget(self._channel_2_line_edit)
self._channel_2_line_edit.returnPressed.connect(
lambda: self.set_channel_2(eng_notation.str_to_num(str(self._channel_2_line_edit.text().toAscii()))))
self.top_layout.addWidget(self._channel_2_tool_bar)
self._channel_13_tool_bar = Qt.QToolBar(self)
self._channel_13_tool_bar.addWidget(Qt.QLabel("channel_13"+": "))
self._channel_13_line_edit = Qt.QLineEdit(str(self.channel_13))
self._channel_13_tool_bar.addWidget(self._channel_13_line_edit)
self._channel_13_line_edit.returnPressed.connect(
lambda: self.set_channel_13(eng_notation.str_to_num(str(self._channel_13_line_edit.text().toAscii()))))
self.top_layout.addWidget(self._channel_13_tool_bar)
self._channel_12_tool_bar = Qt.QToolBar(self)
self._channel_12_tool_bar.addWidget(Qt.QLabel("channel_12"+": "))
self._channel_12_line_edit = Qt.QLineEdit(str(self.channel_12))
self._channel_12_tool_bar.addWidget(self._channel_12_line_edit)
self._channel_12_line_edit.returnPressed.connect(
lambda: self.set_channel_12(eng_notation.str_to_num(str(self._channel_12_line_edit.text().toAscii()))))
self.top_layout.addWidget(self._channel_12_tool_bar)
self._channel_11_tool_bar = Qt.QToolBar(self)
self._channel_11_tool_bar.addWidget(Qt.QLabel("channel_11"+": "))
self._channel_11_line_edit = Qt.QLineEdit(str(self.channel_11))
self._channel_11_tool_bar.addWidget(self._channel_11_line_edit)
self._channel_11_line_edit.returnPressed.connect(
lambda: self.set_channel_11(eng_notation.str_to_num(str(self._channel_11_line_edit.text().toAscii()))))
self.top_layout.addWidget(self._channel_11_tool_bar)
self._channel_10_tool_bar = Qt.QToolBar(self)
self._channel_10_tool_bar.addWidget(Qt.QLabel("channel_10"+": "))
self._channel_10_line_edit = Qt.QLineEdit(str(self.channel_10))
self._channel_10_tool_bar.addWidget(self._channel_10_line_edit)
self._channel_10_line_edit.returnPressed.connect(
lambda: self.set_channel_10(eng_notation.str_to_num(str(self._channel_10_line_edit.text().toAscii()))))
self.top_layout.addWidget(self._channel_10_tool_bar)
self.blocks_udp_sink_3_0_1 = blocks.udp_sink(gr.sizeof_short*1, '127.0.0.1', 7306, 1472, True)
self.blocks_udp_sink_3_0_0_0 = blocks.udp_sink(gr.sizeof_short*1, '127.0.0.1', 7307, 1472, True)
self.blocks_udp_sink_1 = blocks.udp_sink(gr.sizeof_short*1, '127.0.0.1', 7301, 1472, True)
self.blocks_udp_sink_0 = blocks.udp_sink(gr.sizeof_short*1, '127.0.0.1', 7300, 1472, True)
self.blocks_multiply_xx_0_1 = blocks.multiply_vcc(1)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_multiply_const_vxx_0_2 = blocks.multiply_const_vff((0.1, ))
self.blocks_multiply_const_vxx_0_0_1 = blocks.multiply_const_vff((0.1, ))
self.blocks_multiply_const_vxx_0_0_0_0_0_1 = blocks.multiply_const_vff((0.1, ))
self.blocks_multiply_const_vxx_0_0_0_0_0_0_0 = blocks.multiply_const_vff((0.1, ))
self.blocks_float_to_short_0_1_0_0_1 = blocks.float_to_short(1, 32767)
self.blocks_float_to_short_0_1_0_0_0_0 = blocks.float_to_short(1, 32767)
self.blocks_float_to_short_0_1 = blocks.float_to_short(1, 32767)
self.blocks_float_to_short_0_0 = blocks.float_to_short(1, 32767)
self.analog_sig_source_x_0 = analog.sig_source_c(samp_rate, analog.GR_COS_WAVE, -100000, 1, 0)
self.analog_pwr_squelch_xx_0_2 = analog.pwr_squelch_cc(sqlch, 1, 1, True)
self.analog_pwr_squelch_xx_0_0_1 = analog.pwr_squelch_cc(sqlch, 1, 1, True)
self.analog_pwr_squelch_xx_0_0_0_0_0_1 = analog.pwr_squelch_cc(sqlch, 1, 1, True)
self.analog_pwr_squelch_xx_0_0_0_0_0_0_0 = analog.pwr_squelch_cc(sqlch, 1, 1, True)
self.analog_nbfm_rx_0_0_0_0_1 = analog.nbfm_rx(
audio_rate=48000,
quad_rate=48000,
tau=75e-6,
max_dev=5000,
)
self.analog_nbfm_rx_0_0_0_0_0_0 = analog.nbfm_rx(
audio_rate=48000,
quad_rate=48000,
tau=75e-6,
max_dev=5000,
)
self.analog_nbfm_rx_0_0 = analog.nbfm_rx(
audio_rate=48000,
quad_rate=48000,
tau=75e-6,
max_dev=5000,
)
self.analog_nbfm_rx_0 = analog.nbfm_rx(
audio_rate=48000,
quad_rate=48000,
tau=75e-6,
max_dev=5000,
)
##################################################
# Connections
##################################################
self.connect((self.analog_nbfm_rx_0, 0), (self.blocks_multiply_const_vxx_0_2, 0))
self.connect((self.analog_nbfm_rx_0_0, 0), (self.blocks_multiply_const_vxx_0_0_1, 0))
self.connect((self.analog_nbfm_rx_0_0_0_0_0_0, 0), (self.blocks_multiply_const_vxx_0_0_0_0_0_0_0, 0))
self.connect((self.analog_nbfm_rx_0_0_0_0_1, 0), (self.blocks_multiply_const_vxx_0_0_0_0_0_1, 0))
self.connect((self.analog_pwr_squelch_xx_0_0_0_0_0_0_0, 0), (self.low_pass_filter_0_0_0_0_0_0, 0))
self.connect((self.analog_pwr_squelch_xx_0_0_0_0_0_1, 0), (self.low_pass_filter_0_0_0_0_1, 0))
self.connect((self.analog_pwr_squelch_xx_0_0_1, 0), (self.low_pass_filter_0_0, 0))
self.connect((self.analog_pwr_squelch_xx_0_2, 0), (self.low_pass_filter_0, 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_0_1, 1))
self.connect((self.blocks_float_to_short_0_0, 0), (self.blocks_udp_sink_0, 0))
self.connect((self.blocks_float_to_short_0_1, 0), (self.blocks_udp_sink_1, 0))
self.connect((self.blocks_float_to_short_0_1_0_0_0_0, 0), (self.blocks_udp_sink_3_0_0_0, 0))
self.connect((self.blocks_float_to_short_0_1_0_0_1, 0), (self.blocks_udp_sink_3_0_1, 0))
self.connect((self.blocks_multiply_const_vxx_0_0_0_0_0_0_0, 0), (self.blocks_float_to_short_0_1_0_0_0_0, 0))
self.connect((self.blocks_multiply_const_vxx_0_0_0_0_0_1, 0), (self.blocks_float_to_short_0_1_0_0_1, 0))
self.connect((self.blocks_multiply_const_vxx_0_0_1, 0), (self.blocks_float_to_short_0_1, 0))
self.connect((self.blocks_multiply_const_vxx_0_2, 0), (self.blocks_float_to_short_0_0, 0))
self.connect((self.blocks_multiply_xx_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
self.connect((self.blocks_multiply_xx_0, 0), (self.freq_xlating_fir_filter_xxx_0_0, 0))
self.connect((self.blocks_multiply_xx_0_1, 0), (self.freq_xlating_fir_filter_xxx_0_0_0_0_0_0, 0))
self.connect((self.blocks_multiply_xx_0_1, 0), (self.freq_xlating_fir_filter_xxx_0_0_0_0_1, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.analog_pwr_squelch_xx_0_2, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0_0, 0), (self.analog_pwr_squelch_xx_0_0_1, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0_0_0_0_0_0, 0), (self.analog_pwr_squelch_xx_0_0_0_0_0_0_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0_0_0_0_1, 0), (self.analog_pwr_squelch_xx_0_0_0_0_0_1, 0))
self.connect((self.low_pass_filter_0, 0), (self.analog_nbfm_rx_0, 0))
self.connect((self.low_pass_filter_0_0, 0), (self.analog_nbfm_rx_0_0, 0))
self.connect((self.low_pass_filter_0_0_0_0_0_0, 0), (self.analog_nbfm_rx_0_0_0_0_0_0, 0))
self.connect((self.low_pass_filter_0_0_0_0_1, 0), (self.analog_nbfm_rx_0_0_0_0_1, 0))
self.connect((self.osmosdr_source_0, 0), (self.blocks_multiply_xx_0, 0))
self.connect((self.osmosdr_source_0_0, 0), (self.blocks_multiply_xx_0_1, 0))
def __init__(self, options, filename):
gr.top_block.__init__(self)
inf_str = None
symbol_rate = 152.34e3
sample_rate = 1e6
#if len(options) != 0:
# inf_str = args[0]
squelch = analog.pwr_squelch_cc(float(options.squelch), 0.1, 0, True)
demod = analog.quadrature_demod_cf(1.0)
cr = digital.clock_recovery_mm_ff(sample_rate / symbol_rate,
0.00765625, 0, 0.175, 0.005)
slicer = digital.binary_slicer_fb()
corr = digital.correlate_access_code_bb(AC, 3)
sink = sniffer()
if False:
print "Reading from: " + inf_str
src = blocks.file_source(gr.sizeof_gr_complex, inf_str, False)
else:
freqs = {
'AA': 917.0e6,
'AB': 913.0e6,
'AC': 914.0e6,
'AD': 915.0e6,
'BA': 916.0e6,
'BB': 919.0e6,
'BC': 920.0e6,
'BD': 921.0e6,
'CA': 922.0e6,
'CB': 923.0e6,
'CC': 907.0e6,
'CD': 908.0e6,
'DA': 905.5e6,
'DB': 909.0e6,
'DC': 911.0e6,
'DD': 910.0e6
}
frequency = freqs[options.channel]
print "Channel: " + options.channel + " (" + str(
frequency / 1e6) + "MHz)"
# Create a UHD device source
src = uhd.usrp_source(device_addr=options.args,
stream_args=uhd.stream_args('fc32',
"sc16",
args=""))
# Set the subdevice spec
if (options.spec):
src.set_subdev_spec(options.spec, 0)
# Set the antenna
if (options.antenna):
src.set_antenna(options.antenna, 0)
# Set receiver sample rate
src.set_samp_rate(options.samp_rate)
# Set receive daughterboard gain
if options.gain is None:
g = src.get_gain_range()
options.gain = float(g.start() + g.stop()) / 2
print "Using mid-point gain of", options.gain, "(", g.start(
), "-", g.stop(), ")"
src.set_gain(options.gain)
# Set frequency (tune request takes lo_offset)
treq = uhd.tune_request(frequency)
tr = src.set_center_freq(treq)
if tr == None:
sys.stderr.write('Failed to set center frequency\n')
raise SystemExit, 1
self.connect(src, squelch, demod, cr, slicer, corr, sink)
def __init__(self):
gr.top_block.__init__(self, "CP v0.4a")
Qt.QWidget.__init__(self)
self.setWindowTitle("CP v0.4a")
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", "cp04a")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.radio_freq = radio_freq = 100
self.samp_rate = samp_rate = 2.4e6
self.rf_gain = rf_gain = 10
self.freq = freq = radio_freq * 1000000
self.ch3_volume = ch3_volume = 1
self.ch3_squelch = ch3_squelch = -30
self.ch3_mute = ch3_mute = 1
self.ch3_modulation = ch3_modulation = 0
self.ch3_invert = ch3_invert = 1
self.ch3_freq = ch3_freq = radio_freq
self.ch2_volume = ch2_volume = 1
self.ch2_squelch = ch2_squelch = -30
self.ch2_mute = ch2_mute = 1
self.ch2_modulation = ch2_modulation = 0
self.ch2_invert = ch2_invert = 1
self.ch2_freq = ch2_freq = radio_freq
self.ch1_volume = ch1_volume = 1
self.ch1_squelch = ch1_squelch = -30
self.ch1_mute = ch1_mute = 1
self.ch1_modulation = ch1_modulation = 0
self.ch1_invert = ch1_invert = 1
self.ch1_freq = ch1_freq = radio_freq
##################################################
# Blocks
##################################################
self.settings = Qt.QTabWidget()
self.settings_widget_0 = Qt.QWidget()
self.settings_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.settings_widget_0)
self.settings_grid_layout_0 = Qt.QGridLayout()
self.settings_layout_0.addLayout(self.settings_grid_layout_0)
self.settings.addTab(self.settings_widget_0, "Settings")
self.top_grid_layout.addWidget(self.settings, 4,3,2,3)
self.tabs = Qt.QTabWidget()
self.tabs_widget_0 = Qt.QWidget()
self.tabs_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabs_widget_0)
self.tabs_grid_layout_0 = Qt.QGridLayout()
self.tabs_layout_0.addLayout(self.tabs_grid_layout_0)
self.tabs.addTab(self.tabs_widget_0, "Ch 1")
self.tabs_widget_1 = Qt.QWidget()
self.tabs_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabs_widget_1)
self.tabs_grid_layout_1 = Qt.QGridLayout()
self.tabs_layout_1.addLayout(self.tabs_grid_layout_1)
self.tabs.addTab(self.tabs_widget_1, "Ch 2")
self.tabs_widget_2 = Qt.QWidget()
self.tabs_layout_2 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabs_widget_2)
self.tabs_grid_layout_2 = Qt.QGridLayout()
self.tabs_layout_2.addLayout(self.tabs_grid_layout_2)
self.tabs.addTab(self.tabs_widget_2, "Ch 3")
self.top_grid_layout.addWidget(self.tabs, 4,0,2,3)
self._rf_gain_range = Range(0, 50, 1, 10, 100)
self._rf_gain_win = RangeWidget(self._rf_gain_range, self.set_rf_gain, "RF Gain", "counter_slider", float)
self.settings_grid_layout_0.addWidget(self._rf_gain_win, 1,0,1,1)
self._ch2_volume_range = Range(0, 10, 1, 1, 50)
self._ch2_volume_win = RangeWidget(self._ch2_volume_range, self.set_ch2_volume, "Volume", "counter_slider", int)
self.top_grid_layout.addWidget(self._ch2_volume_win, 1,2,1,1)
self._ch2_squelch_range = Range(-70, 0, 10, -30, 50)
self._ch2_squelch_win = RangeWidget(self._ch2_squelch_range, self.set_ch2_squelch, "Squelch", "counter_slider", int)
self.top_grid_layout.addWidget(self._ch2_squelch_win, 1,3,1,1)
_ch2_mute_check_box = Qt.QCheckBox("Mute")
self._ch2_mute_choices = {True: 0, False: 1}
self._ch2_mute_choices_inv = dict((v,k) for k,v in self._ch2_mute_choices.iteritems())
self._ch2_mute_callback = lambda i: Qt.QMetaObject.invokeMethod(_ch2_mute_check_box, "setChecked", Qt.Q_ARG("bool", self._ch2_mute_choices_inv[i]))
self._ch2_mute_callback(self.ch2_mute)
_ch2_mute_check_box.stateChanged.connect(lambda i: self.set_ch2_mute(self._ch2_mute_choices[bool(i)]))
self.top_grid_layout.addWidget(_ch2_mute_check_box, 1,5,1,1)
self._ch2_modulation_options = (0, 1, 2, )
self._ch2_modulation_labels = ("DMR", "NBFM", "WBFM", )
self._ch2_modulation_tool_bar = Qt.QToolBar(self)
self._ch2_modulation_tool_bar.addWidget(Qt.QLabel("Modulation"+": "))
self._ch2_modulation_combo_box = Qt.QComboBox()
self._ch2_modulation_tool_bar.addWidget(self._ch2_modulation_combo_box)
for label in self._ch2_modulation_labels: self._ch2_modulation_combo_box.addItem(label)
self._ch2_modulation_callback = lambda i: Qt.QMetaObject.invokeMethod(self._ch2_modulation_combo_box, "setCurrentIndex", Qt.Q_ARG("int", self._ch2_modulation_options.index(i)))
self._ch2_modulation_callback(self.ch2_modulation)
self._ch2_modulation_combo_box.currentIndexChanged.connect(
lambda i: self.set_ch2_modulation(self._ch2_modulation_options[i]))
self.top_grid_layout.addWidget(self._ch2_modulation_tool_bar, 1,1,1,1)
_ch2_invert_check_box = Qt.QCheckBox("Invert")
self._ch2_invert_choices = {True: -1, False: 1}
self._ch2_invert_choices_inv = dict((v,k) for k,v in self._ch2_invert_choices.iteritems())
self._ch2_invert_callback = lambda i: Qt.QMetaObject.invokeMethod(_ch2_invert_check_box, "setChecked", Qt.Q_ARG("bool", self._ch2_invert_choices_inv[i]))
self._ch2_invert_callback(self.ch2_invert)
_ch2_invert_check_box.stateChanged.connect(lambda i: self.set_ch2_invert(self._ch2_invert_choices[bool(i)]))
self.top_grid_layout.addWidget(_ch2_invert_check_box, 1,4,1,1)
self._ch2_freq_tool_bar = Qt.QToolBar(self)
self._ch2_freq_tool_bar.addWidget(Qt.QLabel("Ch2 Freq (MHz)"+": "))
self._ch2_freq_line_edit = Qt.QLineEdit(str(self.ch2_freq))
self._ch2_freq_tool_bar.addWidget(self._ch2_freq_line_edit)
self._ch2_freq_line_edit.returnPressed.connect(
lambda: self.set_ch2_freq(eng_notation.str_to_num(str(self._ch2_freq_line_edit.text().toAscii()))))
self.top_grid_layout.addWidget(self._ch2_freq_tool_bar, 1,0,1,1)
self._ch1_volume_range = Range(0, 10, 1, 1, 100)
self._ch1_volume_win = RangeWidget(self._ch1_volume_range, self.set_ch1_volume, "Volume", "counter_slider", int)
self.top_grid_layout.addWidget(self._ch1_volume_win, 0,2,1,1)
self._ch1_squelch_range = Range(-70, 0, 10, -30, 100)
self._ch1_squelch_win = RangeWidget(self._ch1_squelch_range, self.set_ch1_squelch, "Squelch", "counter_slider", int)
self.top_grid_layout.addWidget(self._ch1_squelch_win, 0,3,1,1)
_ch1_mute_check_box = Qt.QCheckBox("Mute")
self._ch1_mute_choices = {True: 0, False: 1}
self._ch1_mute_choices_inv = dict((v,k) for k,v in self._ch1_mute_choices.iteritems())
self._ch1_mute_callback = lambda i: Qt.QMetaObject.invokeMethod(_ch1_mute_check_box, "setChecked", Qt.Q_ARG("bool", self._ch1_mute_choices_inv[i]))
self._ch1_mute_callback(self.ch1_mute)
_ch1_mute_check_box.stateChanged.connect(lambda i: self.set_ch1_mute(self._ch1_mute_choices[bool(i)]))
self.top_grid_layout.addWidget(_ch1_mute_check_box, 0,5,1,1)
self._ch1_modulation_options = (0, 1, 2, )
self._ch1_modulation_labels = ("DMR", "NBFM", "WBFM", )
self._ch1_modulation_tool_bar = Qt.QToolBar(self)
self._ch1_modulation_tool_bar.addWidget(Qt.QLabel("Modulation"+": "))
self._ch1_modulation_combo_box = Qt.QComboBox()
self._ch1_modulation_tool_bar.addWidget(self._ch1_modulation_combo_box)
for label in self._ch1_modulation_labels: self._ch1_modulation_combo_box.addItem(label)
self._ch1_modulation_callback = lambda i: Qt.QMetaObject.invokeMethod(self._ch1_modulation_combo_box, "setCurrentIndex", Qt.Q_ARG("int", self._ch1_modulation_options.index(i)))
self._ch1_modulation_callback(self.ch1_modulation)
self._ch1_modulation_combo_box.currentIndexChanged.connect(
lambda i: self.set_ch1_modulation(self._ch1_modulation_options[i]))
self.top_grid_layout.addWidget(self._ch1_modulation_tool_bar, 0,1,1,1)
_ch1_invert_check_box = Qt.QCheckBox("Invert")
self._ch1_invert_choices = {True: -1, False: 1}
self._ch1_invert_choices_inv = dict((v,k) for k,v in self._ch1_invert_choices.iteritems())
self._ch1_invert_callback = lambda i: Qt.QMetaObject.invokeMethod(_ch1_invert_check_box, "setChecked", Qt.Q_ARG("bool", self._ch1_invert_choices_inv[i]))
self._ch1_invert_callback(self.ch1_invert)
_ch1_invert_check_box.stateChanged.connect(lambda i: self.set_ch1_invert(self._ch1_invert_choices[bool(i)]))
self.top_grid_layout.addWidget(_ch1_invert_check_box, 0,4,1,1)
self._ch1_freq_tool_bar = Qt.QToolBar(self)
self._ch1_freq_tool_bar.addWidget(Qt.QLabel("Ch1 Freq (MHz)"+": "))
self._ch1_freq_line_edit = Qt.QLineEdit(str(self.ch1_freq))
self._ch1_freq_tool_bar.addWidget(self._ch1_freq_line_edit)
self._ch1_freq_line_edit.returnPressed.connect(
lambda: self.set_ch1_freq(eng_notation.str_to_num(str(self._ch1_freq_line_edit.text().toAscii()))))
self.top_grid_layout.addWidget(self._ch1_freq_tool_bar, 0,0,1,1)
self.wbfm_chain_0_0 = wbfm_chain()
self.wbfm_chain_0 = wbfm_chain()
self.rtlsdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + "" )
self.rtlsdr_source_0.set_sample_rate(samp_rate)
self.rtlsdr_source_0.set_center_freq(freq, 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(rf_gain, 0)
self.rtlsdr_source_0.set_if_gain(20, 0)
self.rtlsdr_source_0.set_bb_gain(20, 0)
self.rtlsdr_source_0.set_antenna("", 0)
self.rtlsdr_source_0.set_bandwidth(0, 0)
self.rational_resampler_xxx_0_0 = filter.rational_resampler_ccc(
interpolation=400000,
decimation=2400000,
taps=None,
fractional_bw=None,
)
self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=400000,
decimation=2400000,
taps=None,
fractional_bw=None,
)
self._radio_freq_tool_bar = Qt.QToolBar(self)
self._radio_freq_tool_bar.addWidget(Qt.QLabel("Radio Freq (MHz)"+": "))
self._radio_freq_line_edit = Qt.QLineEdit(str(self.radio_freq))
self._radio_freq_tool_bar.addWidget(self._radio_freq_line_edit)
self._radio_freq_line_edit.returnPressed.connect(
lambda: self.set_radio_freq(eng_notation.str_to_num(str(self._radio_freq_line_edit.text().toAscii()))))
self.settings_grid_layout_0.addWidget(self._radio_freq_tool_bar, 0,0,1,1)
self.qtgui_waterfall_sink_x_0 = qtgui.waterfall_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
freq, #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 == type(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_grid_layout.addWidget(self._qtgui_waterfall_sink_x_0_win, 10,0,10,6)
self.qtgui_freq_sink_x_0_0 = qtgui.freq_sink_c(
512, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
(ch2_freq * 1000000), #fc
400000, #bw
"", #name
1 #number of inputs
)
self.qtgui_freq_sink_x_0_0.set_update_time(0.10)
self.qtgui_freq_sink_x_0_0.set_y_axis(-140, 10)
self.qtgui_freq_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "")
self.qtgui_freq_sink_x_0_0.enable_autoscale(False)
self.qtgui_freq_sink_x_0_0.enable_grid(False)
self.qtgui_freq_sink_x_0_0.set_fft_average(0.2)
self.qtgui_freq_sink_x_0_0.enable_control_panel(False)
if not True:
self.qtgui_freq_sink_x_0_0.disable_legend()
if complex == type(float()):
self.qtgui_freq_sink_x_0_0.set_plot_pos_half(not True)
labels = ["", "", "", "", "",
"", "", "", "", ""]
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ["blue", "red", "green", "black", "cyan",
"magenta", "yellow", "dark red", "dark green", "dark blue"]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_freq_sink_x_0_0.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_0_0.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_0_0.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_0_0.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_0_0.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_0_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_0_0.pyqwidget(), Qt.QWidget)
self.tabs_grid_layout_1.addWidget(self._qtgui_freq_sink_x_0_0_win, 0,0,1,1)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
512, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
(ch1_freq * 1000000), #fc
400000, #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_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "")
self.qtgui_freq_sink_x_0.enable_autoscale(False)
self.qtgui_freq_sink_x_0.enable_grid(False)
self.qtgui_freq_sink_x_0.set_fft_average(0.2)
self.qtgui_freq_sink_x_0.enable_control_panel(False)
if not True:
self.qtgui_freq_sink_x_0.disable_legend()
if complex == type(float()):
self.qtgui_freq_sink_x_0.set_plot_pos_half(not True)
labels = ["", "", "", "", "",
"", "", "", "", ""]
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ["blue", "red", "green", "black", "cyan",
"magenta", "yellow", "dark red", "dark green", "dark blue"]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_freq_sink_x_0.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_0.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_0.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_0.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
self.tabs_grid_layout_0.addWidget(self._qtgui_freq_sink_x_0_win, 0,0,1,1)
self.nbfm_chain_0_0 = nbfm_chain()
self.nbfm_chain_0 = nbfm_chain()
self.freq_xlating_fft_filter_ccc_0_0 = filter.freq_xlating_fft_filter_ccc(1, (firdes.low_pass(1,samp_rate,200000,10000)), (ch2_freq * 1000000) - freq, samp_rate)
self.freq_xlating_fft_filter_ccc_0_0.set_nthreads(1)
self.freq_xlating_fft_filter_ccc_0_0.declare_sample_delay(0)
self.freq_xlating_fft_filter_ccc_0 = filter.freq_xlating_fft_filter_ccc(1, (firdes.low_pass(1,samp_rate,200000,10000)), (ch1_freq * 1000000) - freq, samp_rate)
self.freq_xlating_fft_filter_ccc_0.set_nthreads(1)
self.freq_xlating_fft_filter_ccc_0.declare_sample_delay(0)
self.dsd_chain_0_0 = dsd_chain()
self.dsd_chain_0 = dsd_chain()
self._ch3_volume_range = Range(0, 10, 1, 1, 50)
self._ch3_volume_win = RangeWidget(self._ch3_volume_range, self.set_ch3_volume, "Volume", "counter_slider", int)
self.top_grid_layout.addWidget(self._ch3_volume_win, 2,2,1,1)
self._ch3_squelch_range = Range(-70, 0, 10, -30, 50)
self._ch3_squelch_win = RangeWidget(self._ch3_squelch_range, self.set_ch3_squelch, "Squelch", "counter_slider", int)
self.top_grid_layout.addWidget(self._ch3_squelch_win, 2,3,1,1)
_ch3_mute_check_box = Qt.QCheckBox("Mute")
self._ch3_mute_choices = {True: 0, False: 1}
self._ch3_mute_choices_inv = dict((v,k) for k,v in self._ch3_mute_choices.iteritems())
self._ch3_mute_callback = lambda i: Qt.QMetaObject.invokeMethod(_ch3_mute_check_box, "setChecked", Qt.Q_ARG("bool", self._ch3_mute_choices_inv[i]))
self._ch3_mute_callback(self.ch3_mute)
_ch3_mute_check_box.stateChanged.connect(lambda i: self.set_ch3_mute(self._ch3_mute_choices[bool(i)]))
self.top_grid_layout.addWidget(_ch3_mute_check_box, 2,5,1,1)
self._ch3_modulation_options = (0, 1, 2, )
self._ch3_modulation_labels = ("DMR", "NBFM", "WBFM", )
self._ch3_modulation_tool_bar = Qt.QToolBar(self)
self._ch3_modulation_tool_bar.addWidget(Qt.QLabel("Modulation"+": "))
self._ch3_modulation_combo_box = Qt.QComboBox()
self._ch3_modulation_tool_bar.addWidget(self._ch3_modulation_combo_box)
for label in self._ch3_modulation_labels: self._ch3_modulation_combo_box.addItem(label)
self._ch3_modulation_callback = lambda i: Qt.QMetaObject.invokeMethod(self._ch3_modulation_combo_box, "setCurrentIndex", Qt.Q_ARG("int", self._ch3_modulation_options.index(i)))
self._ch3_modulation_callback(self.ch3_modulation)
self._ch3_modulation_combo_box.currentIndexChanged.connect(
lambda i: self.set_ch3_modulation(self._ch3_modulation_options[i]))
self.top_grid_layout.addWidget(self._ch3_modulation_tool_bar, 2,1,1,1)
_ch3_invert_check_box = Qt.QCheckBox("Invert")
self._ch3_invert_choices = {True: -1, False: 1}
self._ch3_invert_choices_inv = dict((v,k) for k,v in self._ch3_invert_choices.iteritems())
self._ch3_invert_callback = lambda i: Qt.QMetaObject.invokeMethod(_ch3_invert_check_box, "setChecked", Qt.Q_ARG("bool", self._ch3_invert_choices_inv[i]))
self._ch3_invert_callback(self.ch3_invert)
_ch3_invert_check_box.stateChanged.connect(lambda i: self.set_ch3_invert(self._ch3_invert_choices[bool(i)]))
self.top_grid_layout.addWidget(_ch3_invert_check_box, 2,4,1,1)
self._ch3_freq_tool_bar = Qt.QToolBar(self)
self._ch3_freq_tool_bar.addWidget(Qt.QLabel("Ch3 Freq (MHz)"+": "))
self._ch3_freq_line_edit = Qt.QLineEdit(str(self.ch3_freq))
self._ch3_freq_tool_bar.addWidget(self._ch3_freq_line_edit)
self._ch3_freq_line_edit.returnPressed.connect(
lambda: self.set_ch3_freq(eng_notation.str_to_num(str(self._ch3_freq_line_edit.text().toAscii()))))
self.top_grid_layout.addWidget(self._ch3_freq_tool_bar, 2,0,1,1)
self.blocks_multiply_const_vxx_1_0 = blocks.multiply_const_vff((ch2_invert * ch2_mute, ))
self.blocks_multiply_const_vxx_1 = blocks.multiply_const_vff((ch1_invert * ch1_mute, ))
self.blocks_multiply_const_vxx_0_0 = blocks.multiply_const_vff((ch2_volume, ))
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((ch1_volume, ))
self.blks2_selector_0_1 = grc_blks2.selector(
item_size=gr.sizeof_gr_complex*1,
num_inputs=1,
num_outputs=3,
input_index=0,
output_index=ch2_modulation,
)
self.blks2_selector_0_0_0 = grc_blks2.selector(
item_size=gr.sizeof_float*1,
num_inputs=3,
num_outputs=1,
input_index=ch2_modulation,
output_index=0,
)
self.blks2_selector_0_0 = grc_blks2.selector(
item_size=gr.sizeof_float*1,
num_inputs=3,
num_outputs=1,
input_index=ch1_modulation,
output_index=0,
)
self.blks2_selector_0 = grc_blks2.selector(
item_size=gr.sizeof_gr_complex*1,
num_inputs=1,
num_outputs=3,
input_index=0,
output_index=ch1_modulation,
)
self.audio_sink_0_0 = audio.sink(48000, "", True)
self.audio_sink_0 = audio.sink(48000, "", True)
self.analog_pwr_squelch_xx_0_0_0 = analog.pwr_squelch_cc(ch2_squelch, 1e-4, 0, True)
self.analog_pwr_squelch_xx_0_0 = analog.pwr_squelch_cc(ch1_squelch, 1e-4, 0, True)
##################################################
# Connections
##################################################
self.connect((self.analog_pwr_squelch_xx_0_0, 0), (self.blks2_selector_0, 0))
self.connect((self.analog_pwr_squelch_xx_0_0_0, 0), (self.blks2_selector_0_1, 0))
self.connect((self.blks2_selector_0, 0), (self.dsd_chain_0, 0))
self.connect((self.blks2_selector_0, 1), (self.nbfm_chain_0, 0))
self.connect((self.blks2_selector_0, 2), (self.wbfm_chain_0, 0))
self.connect((self.blks2_selector_0_0, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self.blks2_selector_0_0_0, 0), (self.blocks_multiply_const_vxx_0_0, 0))
self.connect((self.blks2_selector_0_1, 0), (self.dsd_chain_0_0, 0))
self.connect((self.blks2_selector_0_1, 1), (self.nbfm_chain_0_0, 0))
self.connect((self.blks2_selector_0_1, 2), (self.wbfm_chain_0_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.blocks_multiply_const_vxx_1, 0))
self.connect((self.blocks_multiply_const_vxx_0_0, 0), (self.blocks_multiply_const_vxx_1_0, 0))
self.connect((self.blocks_multiply_const_vxx_1, 0), (self.audio_sink_0, 0))
self.connect((self.blocks_multiply_const_vxx_1_0, 0), (self.audio_sink_0_0, 0))
self.connect((self.dsd_chain_0, 0), (self.blks2_selector_0_0, 0))
self.connect((self.dsd_chain_0_0, 0), (self.blks2_selector_0_0_0, 0))
self.connect((self.freq_xlating_fft_filter_ccc_0, 0), (self.analog_pwr_squelch_xx_0_0, 0))
self.connect((self.freq_xlating_fft_filter_ccc_0, 0), (self.rational_resampler_xxx_0, 0))
self.connect((self.freq_xlating_fft_filter_ccc_0_0, 0), (self.analog_pwr_squelch_xx_0_0_0, 0))
self.connect((self.freq_xlating_fft_filter_ccc_0_0, 0), (self.rational_resampler_xxx_0_0, 0))
self.connect((self.nbfm_chain_0, 0), (self.blks2_selector_0_0, 1))
self.connect((self.nbfm_chain_0_0, 0), (self.blks2_selector_0_0_0, 1))
self.connect((self.rational_resampler_xxx_0, 0), (self.qtgui_freq_sink_x_0, 0))
self.connect((self.rational_resampler_xxx_0_0, 0), (self.qtgui_freq_sink_x_0_0, 0))
self.connect((self.rtlsdr_source_0, 0), (self.freq_xlating_fft_filter_ccc_0, 0))
self.connect((self.rtlsdr_source_0, 0), (self.freq_xlating_fft_filter_ccc_0_0, 0))
self.connect((self.rtlsdr_source_0, 0), (self.qtgui_waterfall_sink_x_0, 0))
self.connect((self.wbfm_chain_0, 0), (self.blks2_selector_0_0, 2))
self.connect((self.wbfm_chain_0_0, 0), (self.blks2_selector_0_0_0, 2))
def __init__(self):
# Call the initialization method from the parent class
gr.top_block.__init__(self)
# Setup the parser for command line arguments
parser = OptionParser(option_class=eng_option)
parser.add_option("-v", "--verbose", action="store_true",
dest="verbose", default=False,
help="print settings to stdout")
parser.add_option("-a", "--args", type="string", dest="src_args",
default='addr=192.168.1.13',
help="USRP device address args")
parser.add_option("-g", "--gain", type="eng_float", dest="src_gain",
default=0, help="USRP gain in dB")
parser.add_option("-q", "--squelch", type="eng_float",
dest="squelch_thresh", default=-80,
help="Squelch threshold in dB")
parser.add_option("-s", "--soundrate", type="eng_float",
dest="snd_card_rate", default=48000,
help="Sound card rate in Hz (must be n*100 Hz)")
parser.add_option("-c", "--channels", type="string",
dest="channel_file_name",
default='channels.txt',
help="Text file of EOL delimited channels in Hz")
(options, args) = parser.parse_args()
if len(args) != 0:
parser.print_help()
raise SystemExit, 1
# Define the user constants
src_args = str(options.src_args)
src_gain = float(options.src_gain)
squelch_thresh = float(options.squelch_thresh)
snd_card_rate = int(options.snd_card_rate)
channel_file_name = str(options.channel_file_name)
# Define other constants (don't mess with these)
max_rf_bandwidth = 25E6 # Limited by N210
channel_sample_rate = 20000
nbfm_maxdev = 2.5E3
nbfm_tau = 75E-6
# Open file, split to list, remove empty strings, and convert to float
with open(channel_file_name) as chanfile:
lines = chanfile.read().splitlines()
chanfile.close()
lines = __builtin__.filter(None, lines)
chanlist = [float(chan) for chan in lines]
# Source decimation is first deternmined by the required RF bandwidth
rf_bandwidth = max(chanlist) - min(chanlist) + 2*channel_sample_rate
src_decimation = int(math.floor(max_rf_bandwidth/rf_bandwidth))
# Check if rf_bandwidth is too wide
if rf_bandwidth > max_rf_bandwidth:
print 'Error: Channels spaced beyond the \
%f MHz maximum RF bandwidth!' % (max_rf_bandwidth/1E6)
sys.exit([1])
else:
pass
# Don't let the source decimation go above 100 (USRP N210 limit)
if src_decimation > 100:
src_decimation = 100
# This is a little tricky
# Don't want odd values of source decimation greater than 1
# Also want the source sample rate \
# to be an integer multiple of channel sample rate
src_sample_rate = max_rf_bandwidth / src_decimation
while ((src_decimation%2 != 0) or \
((max_rf_bandwidth/src_decimation) % channel_sample_rate != 0)) \
and src_decimation > 1:
src_decimation = src_decimation - 1
src_sample_rate = max_rf_bandwidth / src_decimation
# Calculate the channel decimation for the fxlating filter
# (it will be an integer)
channel_decimation = int(src_sample_rate / channel_sample_rate)
# Calculate center frequency
src_center_freq = (max(chanlist) + min(chanlist)) / 2
# Print some info to stdout for verbose option
if options.verbose:
print 'Source args string "%s" ' % src_args
print 'Source center frequency = %f MHz' % (src_center_freq/1E6)
print 'Source decimation = %i' % src_decimation
print 'Source sample rate = %i Hz' % src_sample_rate
print 'Source gain = %i dB' % src_gain
print 'Squelch threshold = %i dB' % squelch_thresh
print 'Channel decimation = %i' % channel_decimation
print 'Channel sample rate = %i Hz' % channel_sample_rate
print 'Sound card rate = %i Hz' % snd_card_rate
print 'Channel list = %s' % str(chanlist)
# Setup the source
src = uhd.usrp_source(src_args, uhd.io_type_t.COMPLEX_FLOAT32, 1)
src.set_samp_rate(src_sample_rate)
src.set_center_freq(src_center_freq, 0)
src.set_gain(src_gain, 0)
# Get USRP true center frequency
# Do nothing with it as it's only a few Hz error
#print src.get_center_freq()
# Create N channel flows---------------------------------------------
# Design taps for frequency translating FIR filter
filter_taps = filter.firdes.low_pass(1.0,
src_sample_rate,
8E3,
2E3,
filter.firdes.WIN_HAMMING)
# N parallel fxlating FIR filter with decimation to channel rate
# Note how the tune freq is chan-src_center_freq ; reversed from GR 3.6
fxlate = [filter.freq_xlating_fir_filter_ccc(channel_decimation,
filter_taps,
chan - src_center_freq,
src_sample_rate)
for chan in chanlist]
# Power squelch (complex, non blocking) prior to NBFM
squelch1 = [analog.pwr_squelch_cc(squelch_thresh,
0.1,
1,
False) for chan in chanlist]
# NBFM receiver
nbfm = [analog.nbfm_rx(channel_sample_rate,
channel_sample_rate,
nbfm_tau,
nbfm_maxdev) for chan in chanlist]
# Power squelch (float, blocking) prior to wav file resampling
squelch2 = [analog.pwr_squelch_ff(squelch_thresh,
0.1,
1,
True) for chan in chanlist]
# Rational resampler for channel rate to 8 kHz wav file rate
resampwav = [filter.rational_resampler_fff(8000,
int(channel_sample_rate))
for chan in chanlist]
# Wav file sink
wavfile = [blocks.wavfile_sink(str(int(chan))+'.wav',
1,
8000,
8) for chan in chanlist]
# Connect the blocks
for chan in range(len(chanlist)):
self.connect(src, fxlate[chan], squelch1[chan], nbfm[chan],
squelch2[chan], resampwav[chan], wavfile[chan])
# Adder to sum the nbfm outputs for sound card
adder = blocks.add_vff(1)
# Rational resampler for channel rate to audio rate
resampsc = filter.rational_resampler_fff(int(snd_card_rate),
int(channel_sample_rate))
# Sound card sink
sndcard = audio.sink(snd_card_rate, "", True)
# Connect the blocks
for chan in range(len(chanlist)):
self.connect(nbfm[chan], (adder, chan))
# Connect the blocks
self.connect(adder, resampsc, sndcard)
def __init__(self, center_freq=433920000):
gr.top_block.__init__(self, "Rx 2400 R2")
##################################################
# Parameters
##################################################
self.center_freq = center_freq
##################################################
# Variables
##################################################
self.sps = sps = 10
self.baud_rate = baud_rate = 2530
self.samp_rate_tx = samp_rate_tx = 400000
self.samp_rate = samp_rate = baud_rate * sps
self.rx_vga_gain = rx_vga_gain = 35
self.rx_lna_gain = rx_lna_gain = 6
self.quad_gain = quad_gain = 8
self.freq = freq = 433920000
self._fft_size_config = ConfigParser.ConfigParser()
self._fft_size_config.read('default')
try:
fft_size = self._fft_size_config.getint('main', 'key')
except:
fft_size = 2048
self.fft_size = fft_size
##################################################
# Blocks
##################################################
self.osmosdr_source_0 = osmosdr.source(args="numchan=" + str(1) + " " +
'bladerf=0')
self.osmosdr_source_0.set_sample_rate(samp_rate_tx)
self.osmosdr_source_0.set_center_freq(freq, 0)
self.osmosdr_source_0.set_freq_corr(0, 0)
self.osmosdr_source_0.set_dc_offset_mode(1, 0)
self.osmosdr_source_0.set_iq_balance_mode(1, 0)
self.osmosdr_source_0.set_gain_mode(False, 0)
self.osmosdr_source_0.set_gain(rx_lna_gain, 0)
self.osmosdr_source_0.set_if_gain(0, 0)
self.osmosdr_source_0.set_bb_gain(rx_vga_gain, 0)
self.osmosdr_source_0.set_antenna('', 0)
self.osmosdr_source_0.set_bandwidth(1500000, 0)
self.low_pass_filter_0 = filter.fir_filter_ccf(
1,
firdes.low_pass(1, samp_rate_tx, 6000, 6000, firdes.WIN_HAMMING,
6.76))
self.logpwrfft_x_0 = logpwrfft.logpwrfft_c(
sample_rate=samp_rate_tx,
fft_size=fft_size,
ref_scale=2,
frame_rate=1,
avg_alpha=1.0,
average=False,
)
self.fir_filter_xxx_0 = filter.fir_filter_fff(16, (firdes.low_pass(
1.0, baud_rate * sps, baud_rate, 0.25 * baud_rate)))
self.fir_filter_xxx_0.declare_sample_delay(0)
self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_fff(
sps, 2 * 3.14159265 / 100, (firdes.low_pass(
1.0, baud_rate * sps, baud_rate, 0.25 * baud_rate)), 32, 16,
1.5, 1)
self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
self.blocks_vector_to_stream_0 = blocks.vector_to_stream(
gr.sizeof_float * fft_size, 1)
self.blocks_file_sink_0_0 = blocks.file_sink(gr.sizeof_char * 1,
'_out.bin', False)
self.blocks_file_sink_0_0.set_unbuffered(True)
self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_float * fft_size,
'log_power_fft_data.bin',
False)
self.blocks_file_sink_0.set_unbuffered(False)
self.blocks_add_const_vxx_0 = blocks.add_const_vff((0, ))
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(
quad_gain)
self.analog_pwr_squelch_xx_0 = analog.pwr_squelch_cc(
-70, 1e-4, 0, True)
##################################################
# Connections
##################################################
self.connect((self.analog_pwr_squelch_xx_0, 0),
(self.low_pass_filter_0, 0))
self.connect((self.analog_quadrature_demod_cf_0, 0),
(self.blocks_add_const_vxx_0, 0))
self.connect((self.blocks_add_const_vxx_0, 0),
(self.digital_pfb_clock_sync_xxx_0, 0))
self.connect((self.blocks_vector_to_stream_0, 0),
(self.blocks_file_sink_0, 0))
self.connect((self.digital_binary_slicer_fb_0, 0),
(self.blocks_file_sink_0_0, 0))
self.connect((self.digital_pfb_clock_sync_xxx_0, 0),
(self.fir_filter_xxx_0, 0))
self.connect((self.fir_filter_xxx_0, 0),
(self.digital_binary_slicer_fb_0, 0))
self.connect((self.logpwrfft_x_0, 0),
(self.blocks_vector_to_stream_0, 0))
self.connect((self.low_pass_filter_0, 0),
(self.analog_quadrature_demod_cf_0, 0))
self.connect((self.osmosdr_source_0, 0),
(self.analog_pwr_squelch_xx_0, 0))
self.connect((self.osmosdr_source_0, 0), (self.logpwrfft_x_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 = 1000000
self.deviation = deviation = 180000
self.baud_rate = baud_rate = 49260
self.sps = sps = ((float)(samp_rate)/(float)(baud_rate))
self.modulation_index = modulation_index = (float)(deviation) / ((float)(baud_rate) / 2)
self.Threshold = Threshold = -60
self.Freq = Freq = 434000000
##################################################
# Blocks
##################################################
_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=430000000,
maximum=440000000,
num_steps=1000,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_Freq_sizer)
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(Freq, 0)
self.uhd_usrp_source_0.set_gain(0, 0)
self.uhd_usrp_source_0.set_antenna("TX/RX", 0)
self.uhd_usrp_source_0.set_bandwidth(samp_rate, 0)
self.low_pass_filter_0_0 = filter.fir_filter_fff(1, firdes.low_pass(
1, samp_rate, 100e3, 100e3, firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_0 = filter.fir_filter_ccf(1, firdes.low_pass(
1, samp_rate, 200e3, 100e3, firdes.WIN_HAMMING, 6.76))
self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff(sps*(1+0.0), 0.1, 0, 0.1, 0.01)
self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_char*1, "/home/augusto/Documents/RXDigital.dat", False)
self.blocks_file_sink_0.set_unbuffered(False)
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf((float)(sps)/(math.pi * modulation_index))
self.analog_pwr_squelch_xx_0 = analog.pwr_squelch_cc(Threshold, 1, 0, False)
##################################################
# Connections
##################################################
self.connect((self.analog_pwr_squelch_xx_0, 0), (self.low_pass_filter_0, 0))
self.connect((self.analog_quadrature_demod_cf_0, 0), (self.low_pass_filter_0_0, 0))
self.connect((self.digital_binary_slicer_fb_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))
self.connect((self.low_pass_filter_0, 0), (self.analog_quadrature_demod_cf_0, 0))
self.connect((self.low_pass_filter_0_0, 0), (self.digital_clock_recovery_mm_xx_0, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.analog_pwr_squelch_xx_0, 0))
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="CP v0.3a")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Variables
##################################################
self.freq = freq = 92.9e6
self.samp_rate = samp_rate = 2.4e6
self.ch3_volume = ch3_volume = 1
self.ch3_squelch = ch3_squelch = -30
self.ch3_mute = ch3_mute = 1
self.ch3_modulation = ch3_modulation = 0
self.ch3_invert = ch3_invert = 1
self.ch3_freq = ch3_freq = freq
self.ch2_volume = ch2_volume = 1
self.ch2_squelch = ch2_squelch = -30
self.ch2_mute = ch2_mute = 1
self.ch2_modulation = ch2_modulation = 0
self.ch2_invert = ch2_invert = 1
self.ch2_freq = ch2_freq = freq
self.ch1_volume = ch1_volume = 1
self.ch1_squelch = ch1_squelch = -30
self.ch1_mute = ch1_mute = 1
self.ch1_modulation = ch1_modulation = 0
self.ch1_invert = ch1_invert = 1
self.ch1_freq = ch1_freq = freq
##################################################
# Blocks
##################################################
self.tab = self.tab = wx.Notebook(self.GetWin(), style=wx.NB_TOP)
self.tab.AddPage(grc_wxgui.Panel(self.tab), "Ch 1")
self.tab.AddPage(grc_wxgui.Panel(self.tab), "Ch 2")
self.tab.AddPage(grc_wxgui.Panel(self.tab), "Ch 3")
self.GridAdd(self.tab, 5, 0, 1, 7)
self._freq_text_box = forms.text_box(
parent=self.GetWin(),
value=self.freq,
callback=self.set_freq,
label="Radio Center Freq",
converter=forms.float_converter(),
)
self.GridAdd(self._freq_text_box, 21, 0, 1, 10)
_ch3_volume_sizer = wx.BoxSizer(wx.VERTICAL)
self._ch3_volume_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_ch3_volume_sizer,
value=self.ch3_volume,
callback=self.set_ch3_volume,
label="Volume",
converter=forms.float_converter(),
proportion=0,
)
self._ch3_volume_slider = forms.slider(
parent=self.GetWin(),
sizer=_ch3_volume_sizer,
value=self.ch3_volume,
callback=self.set_ch3_volume,
minimum=0,
maximum=10,
num_steps=20,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_ch3_volume_sizer, 4, 2, 1, 1)
_ch3_squelch_sizer = wx.BoxSizer(wx.VERTICAL)
self._ch3_squelch_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_ch3_squelch_sizer,
value=self.ch3_squelch,
callback=self.set_ch3_squelch,
label="Squelch",
converter=forms.float_converter(),
proportion=0,
)
self._ch3_squelch_slider = forms.slider(
parent=self.GetWin(),
sizer=_ch3_squelch_sizer,
value=self.ch3_squelch,
callback=self.set_ch3_squelch,
minimum=-70,
maximum=0,
num_steps=14,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_ch3_squelch_sizer, 4, 3, 1, 1)
self._ch3_mute_check_box = forms.check_box(
parent=self.GetWin(),
value=self.ch3_mute,
callback=self.set_ch3_mute,
label="Mute",
true=0,
false=1,
)
self.GridAdd(self._ch3_mute_check_box, 4, 5, 1, 1)
self._ch3_modulation_chooser = forms.drop_down(
parent=self.GetWin(),
value=self.ch3_modulation,
callback=self.set_ch3_modulation,
label="Modulation",
choices=[0, 1,2],
labels=["DMR","NBFM","WBFM"],
)
self.GridAdd(self._ch3_modulation_chooser, 4, 1, 1, 1)
self._ch3_invert_check_box = forms.check_box(
parent=self.GetWin(),
value=self.ch3_invert,
callback=self.set_ch3_invert,
label="Invert",
true=-1,
false=1,
)
self.GridAdd(self._ch3_invert_check_box, 4, 4, 1, 1)
self._ch3_freq_text_box = forms.text_box(
parent=self.GetWin(),
value=self.ch3_freq,
callback=self.set_ch3_freq,
label="Ch3 Freq",
converter=forms.float_converter(),
)
self.GridAdd(self._ch3_freq_text_box, 4, 0, 1, 1)
_ch2_volume_sizer = wx.BoxSizer(wx.VERTICAL)
self._ch2_volume_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_ch2_volume_sizer,
value=self.ch2_volume,
callback=self.set_ch2_volume,
label="Volume",
converter=forms.float_converter(),
proportion=0,
)
self._ch2_volume_slider = forms.slider(
parent=self.GetWin(),
sizer=_ch2_volume_sizer,
value=self.ch2_volume,
callback=self.set_ch2_volume,
minimum=0,
maximum=10,
num_steps=20,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_ch2_volume_sizer, 2, 2, 1, 1)
_ch2_squelch_sizer = wx.BoxSizer(wx.VERTICAL)
self._ch2_squelch_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_ch2_squelch_sizer,
value=self.ch2_squelch,
callback=self.set_ch2_squelch,
label="Squelch",
converter=forms.float_converter(),
proportion=0,
)
self._ch2_squelch_slider = forms.slider(
parent=self.GetWin(),
sizer=_ch2_squelch_sizer,
value=self.ch2_squelch,
callback=self.set_ch2_squelch,
minimum=-70,
maximum=0,
num_steps=14,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_ch2_squelch_sizer, 2, 3, 1, 1)
self._ch2_mute_check_box = forms.check_box(
parent=self.GetWin(),
value=self.ch2_mute,
callback=self.set_ch2_mute,
label="Mute",
true=0,
false=1,
)
self.GridAdd(self._ch2_mute_check_box, 2, 5, 1, 1)
self._ch2_modulation_chooser = forms.drop_down(
parent=self.GetWin(),
value=self.ch2_modulation,
callback=self.set_ch2_modulation,
label="Modulation",
choices=[0, 1,2],
labels=["DMR","NBFM","WBFM"],
)
self.GridAdd(self._ch2_modulation_chooser, 2, 1, 1, 1)
self._ch2_invert_check_box = forms.check_box(
parent=self.GetWin(),
value=self.ch2_invert,
callback=self.set_ch2_invert,
label="Invert",
true=-1,
false=1,
)
self.GridAdd(self._ch2_invert_check_box, 2, 4, 1, 1)
self._ch2_freq_text_box = forms.text_box(
parent=self.GetWin(),
value=self.ch2_freq,
callback=self.set_ch2_freq,
label="Ch2 Freq",
converter=forms.float_converter(),
)
self.GridAdd(self._ch2_freq_text_box, 2, 0, 1, 1)
_ch1_volume_sizer = wx.BoxSizer(wx.VERTICAL)
self._ch1_volume_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_ch1_volume_sizer,
value=self.ch1_volume,
callback=self.set_ch1_volume,
label="Volume",
converter=forms.float_converter(),
proportion=0,
)
self._ch1_volume_slider = forms.slider(
parent=self.GetWin(),
sizer=_ch1_volume_sizer,
value=self.ch1_volume,
callback=self.set_ch1_volume,
minimum=0,
maximum=10,
num_steps=40,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_ch1_volume_sizer, 0, 2, 1, 1)
_ch1_squelch_sizer = wx.BoxSizer(wx.VERTICAL)
self._ch1_squelch_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_ch1_squelch_sizer,
value=self.ch1_squelch,
callback=self.set_ch1_squelch,
label="Squelch",
converter=forms.float_converter(),
proportion=0,
)
self._ch1_squelch_slider = forms.slider(
parent=self.GetWin(),
sizer=_ch1_squelch_sizer,
value=self.ch1_squelch,
callback=self.set_ch1_squelch,
minimum=-70,
maximum=0,
num_steps=14,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_ch1_squelch_sizer, 0, 3, 1, 1)
self._ch1_mute_check_box = forms.check_box(
parent=self.GetWin(),
value=self.ch1_mute,
callback=self.set_ch1_mute,
label="Mute",
true=0,
false=1,
)
self.GridAdd(self._ch1_mute_check_box, 0, 5, 1, 1)
self._ch1_modulation_chooser = forms.drop_down(
parent=self.GetWin(),
value=self.ch1_modulation,
callback=self.set_ch1_modulation,
label="Modulation",
choices=[0, 1,2],
labels=["DMR","NBFM","WBFM"],
)
self.GridAdd(self._ch1_modulation_chooser, 0, 1, 1, 1)
self._ch1_invert_check_box = forms.check_box(
parent=self.GetWin(),
value=self.ch1_invert,
callback=self.set_ch1_invert,
label="Invert",
true=-1,
false=1,
)
self.GridAdd(self._ch1_invert_check_box, 0, 4, 1, 1)
self._ch1_freq_text_box = forms.text_box(
parent=self.GetWin(),
value=self.ch1_freq,
callback=self.set_ch1_freq,
label="Ch1 Freq",
converter=forms.float_converter(),
)
self.GridAdd(self._ch1_freq_text_box, 0, 0, 1, 1)
self.wxgui_waterfallsink2_1 = waterfallsink2.waterfall_sink_c(
self.GetWin(),
baseband_freq=0,
dynamic_range=100,
ref_level=0,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=512,
fft_rate=15,
average=False,
avg_alpha=None,
title="Waterfall Plot",
)
self.GridAdd(self.wxgui_waterfallsink2_1.win, 6, 0, 15, 10)
self.wxgui_fftsink2_0_0_0 = fftsink2.fft_sink_c(
self.tab.GetPage(2).GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=512,
fft_rate=15,
average=True,
avg_alpha=0.1333,
title="Channel 3",
peak_hold=False,
)
self.tab.GetPage(2).GridAdd(self.wxgui_fftsink2_0_0_0.win, 0, 0, 12, 7)
self.wxgui_fftsink2_0_0 = fftsink2.fft_sink_c(
self.tab.GetPage(1).GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=512,
fft_rate=15,
average=True,
avg_alpha=0.1333,
title="Channel 2",
peak_hold=False,
)
self.tab.GetPage(1).GridAdd(self.wxgui_fftsink2_0_0.win, 0, 0, 12, 7)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.tab.GetPage(0).GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=512,
fft_rate=15,
average=True,
avg_alpha=0.1333,
title="Channel 1",
peak_hold=False,
)
self.tab.GetPage(0).GridAdd(self.wxgui_fftsink2_0.win, 0, 0, 12, 7)
self.wbfm_chain_0_0_0 = wbfm_chain()
self.wbfm_chain_0_0 = wbfm_chain()
self.wbfm_chain_0 = wbfm_chain()
self.rtlsdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + "" )
self.rtlsdr_source_0.set_sample_rate(samp_rate)
self.rtlsdr_source_0.set_center_freq(freq, 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.nbfm_chain_1_0 = nbfm_chain()
self.nbfm_chain_1 = nbfm_chain()
self.nbfm_chain_0 = nbfm_chain()
self.freq_xlating_fft_filter_ccc_0_0_0 = filter.freq_xlating_fft_filter_ccc(1, (firdes.low_pass(1,samp_rate,200000,10000)), ch3_freq - freq, samp_rate)
self.freq_xlating_fft_filter_ccc_0_0_0.set_nthreads(1)
self.freq_xlating_fft_filter_ccc_0_0_0.declare_sample_delay(0)
self.freq_xlating_fft_filter_ccc_0_0 = filter.freq_xlating_fft_filter_ccc(1, (firdes.low_pass(1,samp_rate,200000,10000)), ch2_freq - freq, samp_rate)
self.freq_xlating_fft_filter_ccc_0_0.set_nthreads(1)
self.freq_xlating_fft_filter_ccc_0_0.declare_sample_delay(0)
self.freq_xlating_fft_filter_ccc_0 = filter.freq_xlating_fft_filter_ccc(1, (firdes.low_pass(1,samp_rate,200000,10000)), ch1_freq - freq, samp_rate)
self.freq_xlating_fft_filter_ccc_0.set_nthreads(1)
self.freq_xlating_fft_filter_ccc_0.declare_sample_delay(0)
self.dsd_chain_1_0 = dsd_chain()
self.dsd_chain_1 = dsd_chain()
self.dsd_chain_0 = dsd_chain()
self.blocks_multiply_const_vxx_2_0 = blocks.multiply_const_vff((ch3_invert * ch3_mute, ))
self.blocks_multiply_const_vxx_2 = blocks.multiply_const_vff((ch2_invert * ch2_mute, ))
self.blocks_multiply_const_vxx_1 = blocks.multiply_const_vff((ch1_invert * ch1_mute, ))
self.blocks_multiply_const_vxx_0_0_0 = blocks.multiply_const_vff((ch3_volume, ))
self.blocks_multiply_const_vxx_0_0 = blocks.multiply_const_vff((ch2_volume, ))
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((ch1_volume, ))
self.blks2_selector_0_1_0 = grc_blks2.selector(
item_size=gr.sizeof_gr_complex*1,
num_inputs=1,
num_outputs=3,
input_index=0,
output_index=ch3_modulation,
)
self.blks2_selector_0_1 = grc_blks2.selector(
item_size=gr.sizeof_gr_complex*1,
num_inputs=1,
num_outputs=3,
input_index=0,
output_index=ch2_modulation,
)
self.blks2_selector_0_0_0_0 = grc_blks2.selector(
item_size=gr.sizeof_float*1,
num_inputs=3,
num_outputs=1,
input_index=ch3_modulation,
output_index=0,
)
self.blks2_selector_0_0_0 = grc_blks2.selector(
item_size=gr.sizeof_float*1,
num_inputs=3,
num_outputs=1,
input_index=ch2_modulation,
output_index=0,
)
self.blks2_selector_0_0 = grc_blks2.selector(
item_size=gr.sizeof_float*1,
num_inputs=3,
num_outputs=1,
input_index=ch1_modulation,
output_index=0,
)
self.blks2_selector_0 = grc_blks2.selector(
item_size=gr.sizeof_gr_complex*1,
num_inputs=1,
num_outputs=3,
input_index=0,
output_index=ch1_modulation,
)
self.audio_sink_0_0_0 = audio.sink(48000, "", True)
self.audio_sink_0_0 = audio.sink(48000, "", True)
self.audio_sink_0 = audio.sink(48000, "", True)
self.analog_pwr_squelch_xx_0_0_0_0 = analog.pwr_squelch_cc(ch3_squelch, 1e-4, 0, True)
self.analog_pwr_squelch_xx_0_0_0 = analog.pwr_squelch_cc(ch2_squelch, 1e-4, 0, True)
self.analog_pwr_squelch_xx_0_0 = analog.pwr_squelch_cc(ch1_squelch, 1e-4, 0, True)
##################################################
# Connections
##################################################
self.connect((self.analog_pwr_squelch_xx_0_0, 0), (self.blks2_selector_0, 0))
self.connect((self.analog_pwr_squelch_xx_0_0_0, 0), (self.blks2_selector_0_1, 0))
self.connect((self.analog_pwr_squelch_xx_0_0_0_0, 0), (self.blks2_selector_0_1_0, 0))
self.connect((self.blks2_selector_0, 0), (self.dsd_chain_0, 0))
self.connect((self.blks2_selector_0, 1), (self.nbfm_chain_0, 0))
self.connect((self.blks2_selector_0, 2), (self.wbfm_chain_0, 0))
self.connect((self.blks2_selector_0_0, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self.blks2_selector_0_0_0, 0), (self.blocks_multiply_const_vxx_0_0, 0))
self.connect((self.blks2_selector_0_0_0_0, 0), (self.blocks_multiply_const_vxx_0_0_0, 0))
self.connect((self.blks2_selector_0_1, 0), (self.dsd_chain_1, 0))
self.connect((self.blks2_selector_0_1, 1), (self.nbfm_chain_1, 0))
self.connect((self.blks2_selector_0_1, 2), (self.wbfm_chain_0_0, 0))
self.connect((self.blks2_selector_0_1_0, 0), (self.dsd_chain_1_0, 0))
self.connect((self.blks2_selector_0_1_0, 1), (self.nbfm_chain_1_0, 0))
self.connect((self.blks2_selector_0_1_0, 2), (self.wbfm_chain_0_0_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.blocks_multiply_const_vxx_1, 0))
self.connect((self.blocks_multiply_const_vxx_0_0, 0), (self.blocks_multiply_const_vxx_2, 0))
self.connect((self.blocks_multiply_const_vxx_0_0_0, 0), (self.blocks_multiply_const_vxx_2_0, 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.audio_sink_0_0, 0))
self.connect((self.blocks_multiply_const_vxx_2_0, 0), (self.audio_sink_0_0_0, 0))
self.connect((self.dsd_chain_0, 0), (self.blks2_selector_0_0, 0))
self.connect((self.dsd_chain_1, 0), (self.blks2_selector_0_0_0, 0))
self.connect((self.dsd_chain_1_0, 0), (self.blks2_selector_0_0_0_0, 0))
self.connect((self.freq_xlating_fft_filter_ccc_0, 0), (self.analog_pwr_squelch_xx_0_0, 0))
self.connect((self.freq_xlating_fft_filter_ccc_0, 0), (self.wxgui_fftsink2_0, 0))
self.connect((self.freq_xlating_fft_filter_ccc_0_0, 0), (self.analog_pwr_squelch_xx_0_0_0, 0))
self.connect((self.freq_xlating_fft_filter_ccc_0_0, 0), (self.wxgui_fftsink2_0_0, 0))
self.connect((self.freq_xlating_fft_filter_ccc_0_0_0, 0), (self.analog_pwr_squelch_xx_0_0_0_0, 0))
self.connect((self.freq_xlating_fft_filter_ccc_0_0_0, 0), (self.wxgui_fftsink2_0_0_0, 0))
self.connect((self.nbfm_chain_0, 0), (self.blks2_selector_0_0, 1))
self.connect((self.nbfm_chain_1, 0), (self.blks2_selector_0_0_0, 1))
self.connect((self.nbfm_chain_1_0, 0), (self.blks2_selector_0_0_0_0, 1))
self.connect((self.rtlsdr_source_0, 0), (self.freq_xlating_fft_filter_ccc_0, 0))
self.connect((self.rtlsdr_source_0, 0), (self.freq_xlating_fft_filter_ccc_0_0, 0))
self.connect((self.rtlsdr_source_0, 0), (self.freq_xlating_fft_filter_ccc_0_0_0, 0))
self.connect((self.rtlsdr_source_0, 0), (self.wxgui_waterfallsink2_1, 0))
self.connect((self.wbfm_chain_0, 0), (self.blks2_selector_0_0, 2))
self.connect((self.wbfm_chain_0_0, 0), (self.blks2_selector_0_0_0, 2))
self.connect((self.wbfm_chain_0_0_0, 0), (self.blks2_selector_0_0_0_0, 2))
def __init__(self, principal_gui, rx_callback, options):
gr.hier_block2.__init__(self, "receive_path",
gr.io_signature(0,0,0), # the 1,1 indicate the minimum, maximum stream in input
gr.io_signature(0,0,0)) # the 0,0 indicate the minimum, maximum stream in output
#local setup usrp source creat self.usrp source
self._setup_usrp_source(options)
options = copy.copy(options) # Make copy of the received options
self._verbose = options.verbose
self._bitrate = options.data_rate # The bit rate transmission
self._samples_per_symbol= options.samples_per_symbol # samples/sample
self._rx_callback = rx_callback #This callback is fired (declanche) when there's packet is available
self.demodulator = bpsk_demodulator(principal_gui, options) #The demodulator used
#Designe filter to get actual channel we want
sw_decim = 1
#Create the low pass filter
chan_coeffs = filter.firdes.low_pass (1.0, #gain
sw_decim * self._samples_per_symbol, #sampling rate
1.0, #midpoint of trans band
0.5, #width of trans band
filter.firdes.WIN_HAMMING) #filter type
self.channel_filter = filter.fft_filter_ccc(sw_decim, chan_coeffs)
self.packet_receiver = ieee_pkt_receiver.ieee_pkt_receiver_868_915(self,
gui = principal_gui,
demodulator = self.demodulator,
callback = rx_callback,
sps = self._samples_per_symbol,
symbol_rate = self._bitrate,
threshold = -1)
#Carrier Sensing Block (ecoute du canal)
alpha = 0.001
# Carrier Sensing with dB, will have to adjust
thresh = 30
#construct analyser of carrier (c'est un sink)
# self.probe = gr.probe_avg_mag_sqrd_c(thresh, alpha)
#display information about the setup
if self._verbose:
self._print_verbage()
#self.squelch = gr.pwr_squelch_cc(50, 1, 0, True)
#connect the input block to channel filter
#connect the blocks with usrp, the self.usrp is created in _setup_usrp_source
self.squelch = analog.pwr_squelch_cc(50, 1, 0, True)
# self.wxgui_constellationsink2_0_0 = constsink_gl.const_sink_c(
# principal_gui.GetWin(),
# title="Constellation Plot",
# sample_rate= options.samp_rate,
# frame_rate=5,
# const_size=2048,
# M=2,
# theta=0,
# loop_bw=6.28/100.0,
# fmax=0.05,
# mu=0.5,
# gain_mu=0.001,
# symbol_rate=options.samp_rate/options.samples_per_symbol,
# omega_limit=0.0001,
# )
# principal_gui.Add(self.wxgui_constellationsink2_0_0.win)
'''For stream of bits'''
# self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
# principal_gui.GetWin(),
# baseband_freq=options.freq,
# y_per_div=10,
# y_divs=10,
# ref_level=10,
# ref_scale=2.0,
# sample_rate= 0.5e6,
# fft_size=1024,
# fft_rate=30,
# average=False,
# avg_alpha=None,
# title="FFT Plot",
# peak_hold=False,
# )
# principal_gui.Add(self.wxgui_fftsink2_0.win)
#self.connect(self.u, self.demodulator, self.wxgui_fftsink2_0)
'''End for stream of bits'''
#Reception of packets
self.connect(self.u, self.packet_receiver)
def __init__(self, argv):
gr.top_block.__init__(self)
parser=OptionParser(option_class=eng_option)
parser.add_option("-a", "--args", type="string", default="",
help="UHD device address args [default=%default]")
parser.add_option("", "--dev", type="string", default=0,
help="Device (rtl=0 or something")
parser.add_option("-f", "--freqset", type="string", default="",
help="Frequency set key=freq,key=freq,... in kHz")
parser.add_option("-m", "--mode", type="string", default="fm",
help="Mode (am or fm)")
parser.add_option("-g", "--gain", type="eng_float", default=30.0,
help="set gain in dB (default is maximum)")
parser.add_option("-V", "--volume", type="eng_float", default=1.0,
help="set volume (default is midpoint)")
parser.add_option("-i", "--icecast", type="string", default="",
help="Icecast host:port")
parser.add_option("-p", "--icepw", type="string", default="127.0.0.1:8000",
help="Icecast source password")
parser.add_option("-O", "--audio-output", type="string", default="",
help="pcm device name. E.g., hw:0,0 or surround51 or /dev/dsp")
(options, args) = parser.parse_args()
if len(args) != 0:
parser.print_help()
sys.exit(1)
if options.volume is None:
options.volume = 0.8
self.vol = options.volume
self.freqs = self.parse_freqset(options.freqset)
self.freq_corr = 0
self.rf_gain = options.gain # around 20
self.if_gain = 7
self.bb_gain = 10.0
self.bandwidth = 2400000
self.channel_bw = 10000
freq_min = min(self.freqs.values())
freq_max = max(self.freqs.values())
print "Frequencies:"
for k in self.freqs:
print " %s: %.3f MHz" % (k, self.freqs[k]/1000000.0)
required_bw = freq_max - freq_min
print "Required bandwidth: %.3f MHz" % (required_bw/1000000.0)
if required_bw > self.bandwidth:
print "Required bandwidth %.3f MHz larger than maximum BW %.3f MHz" % (required_bw/1000000, self.bandwidth/100000)
return None
# offset center frequency so that it's not on a monitored frequency
self.center_freq = freq_min + (required_bw/2)
for f in self.freqs.values():
if abs(f - self.center_freq) < self.channel_bw:
self.center_freq += self.channel_bw
print "Center frequency: %.3f MHz" % self.center_freq
print ""
# build graph
arg_s = options.dev #"rtl=%d" % options.dev
u = self.u = osmosdr.source(args=arg_s)
u.set_center_freq(self.center_freq, 0)
u.set_freq_corr(self.freq_corr, 0)
u.set_dc_offset_mode(0, 0) # 0-2: Off-Manual-Automatic
u.set_iq_balance_mode(0, 0) # 0-2: Off-Manual-Automatic
u.set_gain_mode(False, 0) # 0-1: Manual, Automatic
u.set_gain(self.rf_gain, 0)
u.set_if_gain(self.if_gain, 0)
u.set_bb_gain(self.bb_gain, 0)
u.set_antenna("all", 0)
u.set_sample_rate(1024e3*2)
u.set_bandwidth(self.bandwidth, 0)
dev_rate = self.u.get_sample_rate()
demod_rate = 64e3
audio_rate = 32e3
chanfilt_decim = int(dev_rate // demod_rate)
audio_decim = int(demod_rate // audio_rate)
print "Device rate %d, bandwidth %.3f MHz" % (dev_rate, self.bandwidth / 1000000.0)
print "Demod rate %d, audio rate %d" % (demod_rate, audio_rate)
if options.mode == 'am':
chan_filt_coeffs = filter.firdes.low_pass_2(1, # gain
dev_rate, # sampling rate
8e3, # passband cutoff
2e3, # transition bw
60) # stopband attenuation
else:
print "FM filter"
chan_filt_coeffs = filter.firdes.low_pass_2(1, # gain
dev_rate, # sampling rate
16e3, # passband cutoff
3e3, # transition bw
60) # stopband attenuation
audio_filt_coeffs = filter.firdes.low_pass_2(1, # gain
demod_rate, # sampling rate
7e3, # passband cutoff
2e3, # transition bw
60) # stopband attenuation
demodulators = []
for k in self.freqs:
f = self.freqs[k]
print "Setting up %s: %.3f MHz" % (k, f / 1000000.0)
if_freq = f - self.center_freq
chan_filt = filter.freq_xlating_fir_filter_ccf(chanfilt_decim,
chan_filt_coeffs,
if_freq,
dev_rate)
agc = analog.agc_cc(0.1, 1, 1)
if options.mode == 'am':
demod = blocks.complex_to_mag()
squelch = analog.standard_squelch(dev_rate/10)
sq_range = squelch.squelch_range()
sq = (sq_range[0] + sq_range[1])/2
sq = 0.7
print "Squelch: range %.1f ... %.1f, using %.2f" % (sq_range[0], sq_range[1], sq)
squelch.set_threshold(sq)
audio_filt = filter.fir_filter_fff(audio_decim, audio_filt_coeffs)
self.connect(chan_filt, agc, demod, squelch, audio_filt)
last_block = audio_filt
else:
print "FM demod"
demod = analog.demod_20k0f3e_cf(demod_rate, audio_decim)
squelch = analog.pwr_squelch_cc(-50.0, # Power threshold
125.0/demod_rate, # Time constant
int(demod_rate/20), # 50ms rise/fall
False) # Zero, not gate output
self.connect(chan_filt, squelch, agc, demod)
last_block = demod
demodulators.append([chan_filt, last_block])
if options.icecast:
# set up a file sink
fname = self.setup_upstream_pipe(k, options)
float_to_int = blocks.float_to_short(scale=7500.0)
file_sink = blocks.file_sink(gr.sizeof_short, fname, append=True)
self.connect(last_block, float_to_int, file_sink)
self.adder = None
if options.audio_output != "":
self.volume_control = blocks.multiply_const_ff(self.vol)
self.adder = blocks.add_ff(1)
# sound card as final sink
self.audio_sink = audio.sink(int (audio_rate),
options.audio_output,
False) # ok_to_block
# now wire it all together
ch = 0
for d in demodulators:
self.connect(self.u, d[0])
if self.adder:
self.connect(d[1], (self.adder, ch))
ch += 1
if self.adder:
self.connect(self.adder, self.volume_control, self.audio_sink)
if options.gain is None:
g = self.u.get_gain_range()
# if no gain was specified, use the mid gain
options.gain = (g.start() + g.stop())/2.0
def __init__(self, samp_rate=4E6, audio_rate=8000, record=True):
gr.hier_block2.__init__(self, "TunerDemodNBFM",
gr.io_signature(1, 1, gr.sizeof_gr_complex),
gr.io_signature(1, 1, gr.sizeof_float))
# Default values
self.center_freq = 0
squelch_db = -60
self.quad_demod_gain = 0.050
self.file_name = "/dev/null"
self.record = record
# Decimation values for four stages of decimation
decims = (5, int(samp_rate/1E6))
# Low pass filter taps for decimation by 5
low_pass_filter_taps_0 = \
grfilter.firdes_low_pass(1, 1, 0.090, 0.010,
grfilter.firdes.WIN_HAMMING)
# Frequency translating FIR filter decimating by 5
self.freq_xlating_fir_filter_ccc = \
grfilter.freq_xlating_fir_filter_ccc(decims[0],
low_pass_filter_taps_0,
self.center_freq, samp_rate)
# FIR filter decimating by 5
fir_filter_ccc_0 = grfilter.fir_filter_ccc(decims[0],
low_pass_filter_taps_0)
# Low pass filter taps for decimation from samp_rate/25 to 40-79.9 ksps
# In other words, decimation by int(samp_rate/1E6)
# 12.5 kHz cutoff for NBFM channel bandwidth
low_pass_filter_taps_1 = grfilter.firdes_low_pass(
1, samp_rate/decims[0]**2, 12.5E3, 1E3, grfilter.firdes.WIN_HAMMING)
# FIR filter decimation by int(samp_rate/1E6)
fir_filter_ccc_1 = grfilter.fir_filter_ccc(decims[1],
low_pass_filter_taps_1)
# Non blocking power squelch
self.analog_pwr_squelch_cc = analog.pwr_squelch_cc(squelch_db,
1e-1, 0, False)
# Quadrature demod with gain set for decent audio
# The gain will be later multiplied by the 0 dB normalized volume
self.analog_quadrature_demod_cf = \
analog.quadrature_demod_cf(self.quad_demod_gain)
# 3.5 kHz cutoff for audio bandwidth
low_pass_filter_taps_2 = grfilter.firdes_low_pass(1,\
samp_rate/(decims[1] * decims[0]**2),\
3.5E3, 500, grfilter.firdes.WIN_HAMMING)
# FIR filter decimating by 5 from 40-79.9 ksps to 8-15.98 ksps
fir_filter_fff_0 = grfilter.fir_filter_fff(decims[0],
low_pass_filter_taps_2)
# Polyphase resampler allows arbitary RF sample rates
# Takes 8-15.98 ksps to a constant 8 ksps for audio
pfb_resamp = audio_rate/float(samp_rate/(decims[1] * decims[0]**3))
pfb_arb_resampler_fff = pfb.arb_resampler_fff(pfb_resamp, taps=None,
flt_size=32)
# Connect the blocks for the demod
self.connect(self, self.freq_xlating_fir_filter_ccc)
self.connect(self.freq_xlating_fir_filter_ccc, fir_filter_ccc_0)
self.connect(fir_filter_ccc_0, fir_filter_ccc_1)
self.connect(fir_filter_ccc_1, self.analog_pwr_squelch_cc)
self.connect(self.analog_pwr_squelch_cc,
self.analog_quadrature_demod_cf)
self.connect(self.analog_quadrature_demod_cf, fir_filter_fff_0)
self.connect(fir_filter_fff_0, pfb_arb_resampler_fff)
self.connect(pfb_arb_resampler_fff, self)
# Need to set this to a very low value of -200 since it is after demod
# Only want it to gate when the previuos squelch has gone to zero
analog_pwr_squelch_ff = analog.pwr_squelch_ff(-200, 1e-1, 0, True)
# File sink with single channel and 8 bits/sample
self.blocks_wavfile_sink = blocks.wavfile_sink(self.file_name, 1,
audio_rate, 8)
# Connect the blocks for recording
self.connect(pfb_arb_resampler_fff, analog_pwr_squelch_ff)
self.connect(analog_pwr_squelch_ff, self.blocks_wavfile_sink)
def __init__(self, samp_rate=4E6, audio_rate=8000, record=True):
gr.hier_block2.__init__(self, "TunerDemod",
gr.io_signature(1, 1, gr.sizeof_gr_complex),
gr.io_signature(1, 1, gr.sizeof_float))
# Default values
self.center_freq = 0
squelch_db = -60
self.quad_demod_gain = 0.050
self.file_name = "/dev/null"
self.record = record
# Decimation values for four stages of decimation
decims = (5, int(samp_rate / 1E6))
# Low pass filter taps for decimation by 5
low_pass_filter_taps_0 = \
grfilter.firdes_low_pass(1, 1, 0.090, 0.010,
grfilter.firdes.WIN_HAMMING)
# Frequency translating FIR filter decimating by 5
self.freq_xlating_fir_filter_ccc = \
grfilter.freq_xlating_fir_filter_ccc(decims[0],
low_pass_filter_taps_0,
self.center_freq, samp_rate)
# FIR filter decimating by 5
fir_filter_ccc_0 = grfilter.fir_filter_ccc(decims[0],
low_pass_filter_taps_0)
# Low pass filter taps for decimation from samp_rate/25 to 40-79.9 ksps
# In other words, decimation by int(samp_rate/1E6)
# 12.5 kHz cutoff for NBFM channel bandwidth
low_pass_filter_taps_1 = grfilter.firdes_low_pass(
1, samp_rate / decims[0]**2, 12.5E3, 1E3,
grfilter.firdes.WIN_HAMMING)
# FIR filter decimation by int(samp_rate/1E6)
fir_filter_ccc_1 = grfilter.fir_filter_ccc(decims[1],
low_pass_filter_taps_1)
# Non blocking power squelch
self.analog_pwr_squelch_cc = analog.pwr_squelch_cc(
squelch_db, 1e-1, 0, False)
# Quadrature demod with gain set for decent audio
# This will be later multiplied by the volume
self.analog_quadrature_demod_cf = \
analog.quadrature_demod_cf(self.quad_demod_gain)
# 3.5 kHz cutoff for audio bandwidth
low_pass_filter_taps_2 = grfilter.firdes_low_pass(1,\
samp_rate/(decims[1] * decims[0]**2),\
3.5E3, 500, grfilter.firdes.WIN_HAMMING)
# FIR filter decimating by 5 from 40-79.9 ksps to 8-15.98 ksps
fir_filter_fff_0 = grfilter.fir_filter_fff(decims[0],
low_pass_filter_taps_2)
# Polyphase resampler allows arbitary RF sample rates
# Takes 8-15.98 ksps to a constant 8 ksps for audio
pfb_resamp = audio_rate / float(samp_rate / (decims[1] * decims[0]**3))
pfb_arb_resampler_fff = pfb.arb_resampler_fff(pfb_resamp,
taps=None,
flt_size=32)
# Connect the blocks for the demod
self.connect(self, self.freq_xlating_fir_filter_ccc)
self.connect(self.freq_xlating_fir_filter_ccc, fir_filter_ccc_0)
self.connect(fir_filter_ccc_0, fir_filter_ccc_1)
self.connect(fir_filter_ccc_1, self.analog_pwr_squelch_cc)
self.connect(self.analog_pwr_squelch_cc,
self.analog_quadrature_demod_cf)
self.connect(self.analog_quadrature_demod_cf, fir_filter_fff_0)
self.connect(fir_filter_fff_0, pfb_arb_resampler_fff)
self.connect(pfb_arb_resampler_fff, self)
# Need to set this to a very low value of -200 since it is after demod
# Only want it to gate when the previuos squelch has gone to zero
analog_pwr_squelch_ff = analog.pwr_squelch_ff(-200, 1e-1, 0, True)
# File sink with single channel and 8 bits/sample
self.blocks_wavfile_sink = blocks.wavfile_sink(self.file_name, 1,
audio_rate, 8)
# Connect the blocks for recording
self.connect(pfb_arb_resampler_fff, analog_pwr_squelch_ff)
self.connect(analog_pwr_squelch_ff, self.blocks_wavfile_sink)
def __init__(self):
gr.top_block.__init__(self, "Top Block")
##################################################
# Variables
##################################################
self.audio_rate = audio_rate = int(48e3)
self.rtl_rate = rtl_rate = int(240e3)
self.out_intermediary_rate = out_intermediary_rate = audio_rate*4
self.out_gain = out_gain = .25
self.out_frequency_offset = out_frequency_offset = -50e3
self.out_frequency = out_frequency = 145.521e6
self.out_audio_inverted = out_audio_inverted = True
self.in_frequency_offset = in_frequency_offset = 0
self.in_frequency = in_frequency = 145.551e6
self.in_final_gain = in_final_gain = 0.5
self.in_decimation_factor = in_decimation_factor = 8
self.in_audio_inverted = in_audio_inverted = True
self.hackrf_rate = hackrf_rate = 2e6
self.dstar_bandwidth = dstar_bandwidth = 6.5e3
##################################################
# Blocks
##################################################
self.rtlsdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + "" )
self.rtlsdr_source_0.set_sample_rate(rtl_rate)
self.rtlsdr_source_0.set_center_freq(in_frequency+in_frequency_offset, 0)
self.rtlsdr_source_0.set_freq_corr(69, 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.rational_resampler_xxx_3 = filter.rational_resampler_ccc(
interpolation=int(hackrf_rate),
decimation=out_intermediary_rate,
taps=None,
fractional_bw=None,
)
self.osmosdr_sink_0 = osmosdr.sink( args="numchan=" + str(1) + " " + "" )
self.osmosdr_sink_0.set_sample_rate(hackrf_rate)
self.osmosdr_sink_0.set_center_freq(out_frequency-out_frequency_offset, 0)
self.osmosdr_sink_0.set_freq_corr(4, 0)
self.osmosdr_sink_0.set_gain(14, 0)
self.osmosdr_sink_0.set_if_gain(0, 0)
self.osmosdr_sink_0.set_bb_gain(0, 0)
self.osmosdr_sink_0.set_antenna("0", 0)
self.osmosdr_sink_0.set_bandwidth(100e3, 0)
self.low_pass_filter_1 = filter.fir_filter_ccf(5, firdes.low_pass(
1, rtl_rate, dstar_bandwidth*2, 500, firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_0 = filter.fir_filter_fff(1, firdes.low_pass(
1, audio_rate, dstar_bandwidth*2, 200, firdes.WIN_KAISER, 6.76))
self.freq_xlating_fft_filter_ccc_0 = filter.freq_xlating_fft_filter_ccc(1, (1, ), 0-out_frequency_offset, out_intermediary_rate)
self.freq_xlating_fft_filter_ccc_0.set_nthreads(1)
self.freq_xlating_fft_filter_ccc_0.declare_sample_delay(0)
self.dc_blocker_xx_0 = filter.dc_blocker_ff(128, True)
self.blocks_multiply_const_vxx_2 = blocks.multiply_const_vff(((-1 if out_audio_inverted else 1)*out_gain, ))
self.blocks_multiply_const_vxx_1 = blocks.multiply_const_vff((0-in_final_gain if in_audio_inverted else in_final_gain, ))
self.audio_source_0 = audio.source(audio_rate, "hw:10,1", True)
self.audio_sink_1 = audio.sink(audio_rate, "plughw:11,0", True)
self.analog_pwr_squelch_xx_1 = analog.pwr_squelch_cc(-30, 1, 1, False)
self.analog_pwr_squelch_xx_0 = analog.pwr_squelch_ff(-60, 1, 1, True)
self.analog_nbfm_tx_0 = analog.nbfm_tx(
audio_rate=int(audio_rate),
quad_rate=int(out_intermediary_rate),
tau=0,
max_dev=dstar_bandwidth,
)
self.analog_nbfm_rx_0 = analog.nbfm_rx(
audio_rate=audio_rate,
quad_rate=audio_rate,
tau=0.000000000000000000001,
max_dev=dstar_bandwidth*2,
)
##################################################
# Connections
##################################################
self.connect((self.analog_nbfm_rx_0, 0), (self.blocks_multiply_const_vxx_1, 0))
self.connect((self.analog_nbfm_tx_0, 0), (self.freq_xlating_fft_filter_ccc_0, 0))
self.connect((self.analog_pwr_squelch_xx_0, 0), (self.blocks_multiply_const_vxx_2, 0))
self.connect((self.analog_pwr_squelch_xx_1, 0), (self.analog_nbfm_rx_0, 0))
self.connect((self.audio_source_0, 0), (self.dc_blocker_xx_0, 0))
self.connect((self.blocks_multiply_const_vxx_1, 0), (self.audio_sink_1, 0))
self.connect((self.blocks_multiply_const_vxx_2, 0), (self.low_pass_filter_0, 0))
self.connect((self.dc_blocker_xx_0, 0), (self.analog_pwr_squelch_xx_0, 0))
self.connect((self.freq_xlating_fft_filter_ccc_0, 0), (self.rational_resampler_xxx_3, 0))
self.connect((self.low_pass_filter_0, 0), (self.analog_nbfm_tx_0, 0))
self.connect((self.low_pass_filter_1, 0), (self.analog_pwr_squelch_xx_1, 0))
self.connect((self.rational_resampler_xxx_3, 0), (self.osmosdr_sink_0, 0))
self.connect((self.rtlsdr_source_0, 0), (self.low_pass_filter_1, 0))
def __init__(self):
gr.top_block.__init__(self, "Lang Rx")
##################################################
# Variables
##################################################
plutoip = os.environ.get('PLUTO_IP')
if plutoip == None:
plutoip = 'pluto.local'
plutoip = 'ip:' + plutoip
self.SQL = SQL = 50
self.RxOffset = RxOffset = 0
self.Mute = Mute = False
self.Mode = Mode = 3
self.Filt_Low = Filt_Low = 300
self.Filt_High = Filt_High = 3000
self.FFTEn = FFTEn = 0
self.AFGain = AFGain = 20
##################################################
# Blocks
##################################################
self.pluto_source_0 = iio.pluto_source(plutoip, 1000000000, 528000,
2000000, 0x800, True, True,
True, "slow_attack", 64.0, '',
True)
self.logpwrfft_x_0 = logpwrfft.logpwrfft_c(
sample_rate=48000,
fft_size=512,
ref_scale=2,
frame_rate=15,
avg_alpha=0.9,
average=True,
)
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(
11, (firdes.low_pass(1, 529200, 23000, 2000)), RxOffset, 528000)
self.blocks_udp_sink_0 = blocks.udp_sink(gr.sizeof_float * 512,
'127.0.0.1', 7373, 1472,
False)
self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_float * 512)
self.blocks_multiply_const_vxx_2_1_0 = blocks.multiply_const_vff(
(1.0 + (Mode == 5), ))
self.blocks_multiply_const_vxx_2_1 = blocks.multiply_const_vff(
(Mode == 5, ))
self.blocks_multiply_const_vxx_2_0 = blocks.multiply_const_vff(
((Mode == 4) * 0.2, ))
self.blocks_multiply_const_vxx_2 = blocks.multiply_const_vff(
(Mode < 4, ))
self.blocks_multiply_const_vxx_1 = blocks.multiply_const_vff(
((AFGain / 100.0) * (not Mute), ))
self.blocks_float_to_complex_0 = blocks.float_to_complex(1)
self.blocks_complex_to_real_0_0 = blocks.complex_to_real(1)
self.blocks_complex_to_real_0 = blocks.complex_to_real(1)
self.blocks_complex_to_mag_0 = blocks.complex_to_mag(1)
self.blocks_add_xx_1_0 = blocks.add_vff(1)
self.blocks_add_xx_1 = blocks.add_vff(1)
self.blks2_selector_0 = grc_blks2.selector(
item_size=gr.sizeof_float * 512,
num_inputs=1,
num_outputs=2,
input_index=0,
output_index=FFTEn,
)
self.band_pass_filter_0 = filter.fir_filter_ccc(
1,
firdes.complex_band_pass(1, 48000, Filt_Low, Filt_High, 100,
firdes.WIN_HAMMING, 6.76))
self.audio_sink_0 = audio.sink(48000, "hw:CARD=Device,DEV=0", False)
self.analog_pwr_squelch_xx_0 = analog.pwr_squelch_cc(
SQL - 100, 0.001, 0, False)
self.analog_nbfm_rx_0 = analog.nbfm_rx(
audio_rate=48000,
quad_rate=48000,
tau=75e-6,
max_dev=5e3,
)
self.analog_agc3_xx_0 = analog.agc3_cc(1e-2, 5e-7, 0.1, 1.0, 1)
self.analog_agc3_xx_0.set_max_gain(1000)
##################################################
# Connections
##################################################
self.connect((self.analog_agc3_xx_0, 0),
(self.blocks_complex_to_real_0_0, 0))
self.connect((self.analog_nbfm_rx_0, 0),
(self.blocks_multiply_const_vxx_2_0, 0))
self.connect((self.analog_pwr_squelch_xx_0, 0),
(self.analog_nbfm_rx_0, 0))
self.connect((self.band_pass_filter_0, 0),
(self.analog_pwr_squelch_xx_0, 0))
self.connect((self.band_pass_filter_0, 0),
(self.blocks_complex_to_mag_0, 0))
self.connect((self.band_pass_filter_0, 0),
(self.blocks_complex_to_real_0, 0))
self.connect((self.blks2_selector_0, 0), (self.blocks_null_sink_0, 0))
self.connect((self.blks2_selector_0, 1), (self.blocks_udp_sink_0, 0))
self.connect((self.blocks_add_xx_1, 0),
(self.blocks_multiply_const_vxx_1, 0))
self.connect((self.blocks_add_xx_1_0, 0),
(self.blocks_float_to_complex_0, 0))
self.connect((self.blocks_complex_to_mag_0, 0),
(self.blocks_multiply_const_vxx_2_1, 0))
self.connect((self.blocks_complex_to_real_0, 0),
(self.blocks_multiply_const_vxx_2, 0))
self.connect((self.blocks_complex_to_real_0_0, 0),
(self.blocks_multiply_const_vxx_2_1_0, 0))
self.connect((self.blocks_float_to_complex_0, 0),
(self.analog_agc3_xx_0, 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, 0))
self.connect((self.blocks_multiply_const_vxx_2_0, 0),
(self.blocks_add_xx_1, 1))
self.connect((self.blocks_multiply_const_vxx_2_1, 0),
(self.blocks_add_xx_1_0, 1))
self.connect((self.blocks_multiply_const_vxx_2_1_0, 0),
(self.blocks_add_xx_1, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0),
(self.band_pass_filter_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0),
(self.logpwrfft_x_0, 0))
self.connect((self.logpwrfft_x_0, 0), (self.blks2_selector_0, 0))
self.connect((self.pluto_source_0, 0),
(self.freq_xlating_fir_filter_xxx_0, 0))
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Lab 4 1")
_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 = 250e3
self.gain = gain = 40
self.freq = freq = 98e6
self.deviation = deviation = 30e3*0 + 5e3
self.audio_rate = audio_rate = int(48e3)
##################################################
# Blocks
##################################################
self._samp_rate_text_box = forms.text_box(
parent=self.GetWin(),
value=self.samp_rate,
callback=self.set_samp_rate,
label="Sample Rate",
converter=forms.float_converter(),
)
self.Add(self._samp_rate_text_box)
_gain_sizer = wx.BoxSizer(wx.VERTICAL)
self._gain_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_gain_sizer,
value=self.gain,
callback=self.set_gain,
label="Gain",
converter=forms.float_converter(),
proportion=0,
)
self._gain_slider = forms.slider(
parent=self.GetWin(),
sizer=_gain_sizer,
value=self.gain,
callback=self.set_gain,
minimum=0,
maximum=90,
num_steps=90,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_gain_sizer)
self._freq_text_box = forms.text_box(
parent=self.GetWin(),
value=self.freq,
callback=self.set_freq,
label="Frequency",
converter=forms.float_converter(),
)
self.Add(self._freq_text_box)
self.wxgui_scopesink2_0 = scopesink2.scope_sink_c(
self.GetWin(),
title="Scope Plot",
sample_rate=audio_rate,
v_scale=0.25,
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.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(freq, 0)
self.uhd_usrp_source_0.set_gain(gain, 0)
self.uhd_usrp_source_0.set_antenna('TX/RX', 0)
self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=audio_rate,
decimation=int(samp_rate),
taps=None,
fractional_bw=None,
)
self.low_pass_filter_0 = filter.fir_filter_fff(1, firdes.low_pass(
1, audio_rate, 3.5e3, 0.5e3, firdes.WIN_HAMMING, 6.76))
self.blocks_float_to_complex_0 = blocks.float_to_complex(1)
self.audio_sink_0 = audio.sink(audio_rate, "", True)
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf((audio_rate/(2*math.pi*deviation))* 0 + ((2*math.pi*deviation)/audio_rate))
self.analog_pwr_squelch_xx_0 = analog.pwr_squelch_cc(-80, 1e-3, 0, False)
##################################################
# Connections
##################################################
self.connect((self.analog_pwr_squelch_xx_0, 0), (self.analog_quadrature_demod_cf_0, 0))
self.connect((self.analog_quadrature_demod_cf_0, 0), (self.blocks_float_to_complex_0, 0))
self.connect((self.analog_quadrature_demod_cf_0, 0), (self.low_pass_filter_0, 0))
self.connect((self.blocks_float_to_complex_0, 0), (self.wxgui_scopesink2_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.audio_sink_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.blocks_float_to_complex_0, 1))
self.connect((self.rational_resampler_xxx_0, 0), (self.analog_pwr_squelch_xx_0, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.rational_resampler_xxx_0, 0))
def __init__(self, samp_rate=4E6, audio_rate=8000, record=True):
gr.hier_block2.__init__(self, "TunerDemodAM",
gr.io_signature(1, 1, gr.sizeof_gr_complex),
gr.io_signature(1, 1, gr.sizeof_float))
# Default values
self.center_freq = 0
squelch_db = -60
self.agc_ref = 0.1
self.file_name = "/dev/null"
self.record = record
# Decimation values for four stages of decimation
decims = (5, int(samp_rate/1E6))
# Low pass filter taps for decimation by 5
low_pass_filter_taps_0 = \
grfilter.firdes_low_pass(1, 1, 0.090, 0.010,
grfilter.firdes.WIN_HAMMING)
# Frequency translating FIR filter decimating by 5
self.freq_xlating_fir_filter_ccc = \
grfilter.freq_xlating_fir_filter_ccc(decims[0],
low_pass_filter_taps_0,
self.center_freq, samp_rate)
# FIR filter decimating by 5
fir_filter_ccc_0 = grfilter.fir_filter_ccc(decims[0],
low_pass_filter_taps_0)
# Low pass filter taps for decimation from samp_rate/25 to 40-79.9 ksps
# In other words, decimation by int(samp_rate/1E6)
# 12.5 kHz cutoff for NBFM channel bandwidth
low_pass_filter_taps_1 = grfilter.firdes_low_pass(
1, samp_rate/decims[0]**2, 12.5E3, 1E3, grfilter.firdes.WIN_HAMMING)
# FIR filter decimation by int(samp_rate/1E6)
fir_filter_ccc_1 = grfilter.fir_filter_ccc(decims[1],
low_pass_filter_taps_1)
# Non blocking power squelch
# Squelch level needs to be lower than NBFM or else choppy AM demod
self.analog_pwr_squelch_cc = analog.pwr_squelch_cc(squelch_db,
1e-1, 0, False)
# AGC with reference set for nomninal 0 dB volume
# Paramaters tweaked to prevent impulse during squelching
self.agc3_cc = analog.agc3_cc(1.0, 1E-4, self.agc_ref, 10, 1)
self.agc3_cc.set_max_gain(65536)
# AM demod with complex_to_mag()
# Can't use analog.am_demod_cf() since it won't work with N>2 demods
am_demod_cf = blocks.complex_to_mag(1)
# 3.5 kHz cutoff for audio bandwidth
low_pass_filter_taps_2 = grfilter.firdes_low_pass(1,\
samp_rate/(decims[1] * decims[0]**2),\
3.5E3, 500, grfilter.firdes.WIN_HAMMING)
# FIR filter decimating by 5 from 40-79.9 ksps to 8-15.98 ksps
fir_filter_fff_0 = grfilter.fir_filter_fff(decims[0],
low_pass_filter_taps_2)
# Polyphase resampler allows arbitary RF sample rates
# Takes 8-15.98 ksps to a constant 8 ksps for audio
pfb_resamp = audio_rate/float(samp_rate/(decims[1] * decims[0]**3))
pfb_arb_resampler_fff = pfb.arb_resampler_fff(pfb_resamp, taps=None,
flt_size=32)
# Connect the blocks for the demod
self.connect(self, self.freq_xlating_fir_filter_ccc)
self.connect(self.freq_xlating_fir_filter_ccc, fir_filter_ccc_0)
self.connect(fir_filter_ccc_0, fir_filter_ccc_1)
self.connect(fir_filter_ccc_1, self.analog_pwr_squelch_cc)
self.connect(self.analog_pwr_squelch_cc, self.agc3_cc)
self.connect(self.agc3_cc, am_demod_cf)
self.connect(am_demod_cf, fir_filter_fff_0)
self.connect(fir_filter_fff_0, pfb_arb_resampler_fff)
self.connect(pfb_arb_resampler_fff, self)
# Need to set this to a very low value of -200 since it is after demod
# Only want it to gate when the previuos squelch has gone to zero
analog_pwr_squelch_ff = analog.pwr_squelch_ff(-200, 1e-1, 0, True)
# File sink with single channel and 8 bits/sample
self.blocks_wavfile_sink = blocks.wavfile_sink(self.file_name, 1,
audio_rate, 8)
# Connect the blocks for recording
self.connect(pfb_arb_resampler_fff, analog_pwr_squelch_ff)
self.connect(analog_pwr_squelch_ff, self.blocks_wavfile_sink)
def __init__(self):
gr.top_block.__init__(self, "Ham2Mon NBFM Receiver Flow Example")
Qt.QWidget.__init__(self)
self.setWindowTitle("Ham2Mon NBFM Receiver Flow Example")
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "nbfm_flow_example")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 1E6
self.initial_decim = initial_decim = 5
self.samp_ratio = samp_ratio = samp_rate/1E6
self.final_rate = final_rate = samp_rate/initial_decim**2/int(samp_rate/1E6)
self.variable_low_pass_filter_taps_2 = variable_low_pass_filter_taps_2 = firdes.low_pass(1.0, final_rate, 3500, 500, firdes.WIN_HAMMING, 6.76)
self.variable_low_pass_filter_taps_1 = variable_low_pass_filter_taps_1 = firdes.low_pass(1.0, samp_rate/25, 12.5E3, 1E3, firdes.WIN_HAMMING, 6.76)
self.variable_low_pass_filter_taps_0 = variable_low_pass_filter_taps_0 = firdes.low_pass(1.0, 1, 0.090, 0.010, firdes.WIN_HAMMING, 6.76)
self.squelch_dB = squelch_dB = -70
self.gain_db = gain_db = 30
self.final_decim = final_decim = int(samp_rate/1E6)
self.file_name = file_name = "test.wav"
self.fft_length = fft_length = 256 * int(pow(2, np.ceil(np.log(samp_ratio)/np.log(2))))
self.demod_bb_freq = demod_bb_freq = 390E3
self.center_freq = center_freq = 144E6
##################################################
# Blocks
##################################################
self._squelch_dB_range = Range(-100, 0, 5, -70, 200)
self._squelch_dB_win = RangeWidget(self._squelch_dB_range, self.set_squelch_dB, "Squelch (dB)", "counter_slider", float)
self.top_grid_layout.addWidget(self._squelch_dB_win, 5,1,1,3)
self._gain_db_range = Range(0, 70, 1, 30, 200)
self._gain_db_win = RangeWidget(self._gain_db_range, self.set_gain_db, "HW Gain (dB)", "counter_slider", float)
self.top_grid_layout.addWidget(self._gain_db_win, 4,1,1,3)
self._demod_bb_freq_range = Range(-samp_rate/2, samp_rate/2, 5E3, 390E3, 200)
self._demod_bb_freq_win = RangeWidget(self._demod_bb_freq_range, self.set_demod_bb_freq, "Demod BB Freq (Hz)", "counter_slider", float)
self.top_grid_layout.addWidget(self._demod_bb_freq_win, 3,1,1,3)
self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
fft_length, #size
samp_rate, #samp_rate
"Averaged Spectrum", #name
1 #number of inputs
)
self.qtgui_time_sink_x_0.set_update_time(0.10)
self.qtgui_time_sink_x_0.set_y_axis(-60, 40)
self.qtgui_time_sink_x_0.set_y_label("Power", "")
self.qtgui_time_sink_x_0.enable_tags(-1, True)
self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "")
self.qtgui_time_sink_x_0.enable_autoscale(False)
self.qtgui_time_sink_x_0.enable_grid(False)
self.qtgui_time_sink_x_0.enable_control_panel(False)
if not True:
self.qtgui_time_sink_x_0.disable_legend()
labels = ["", "", "", "", "",
"", "", "", "", ""]
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ["blue", "red", "green", "black", "cyan",
"magenta", "yellow", "dark red", "dark green", "blue"]
styles = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1,
-1, -1, -1, -1, -1]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_time_sink_x_0.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_win, 0,1,3,1)
self.qtgui_freq_sink_x_0_0 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
final_rate, #bw
"Decimated Channel", #name
1 #number of inputs
)
self.qtgui_freq_sink_x_0_0.set_update_time(0.10)
self.qtgui_freq_sink_x_0_0.set_y_axis(-200, -60)
self.qtgui_freq_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "")
self.qtgui_freq_sink_x_0_0.enable_autoscale(False)
self.qtgui_freq_sink_x_0_0.enable_grid(False)
self.qtgui_freq_sink_x_0_0.set_fft_average(1.0)
self.qtgui_freq_sink_x_0_0.enable_control_panel(False)
if not True:
self.qtgui_freq_sink_x_0_0.disable_legend()
if complex == type(float()):
self.qtgui_freq_sink_x_0_0.set_plot_pos_half(not True)
labels = ["", "", "", "", "",
"", "", "", "", ""]
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ["blue", "red", "green", "black", "cyan",
"magenta", "yellow", "dark red", "dark green", "dark blue"]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_freq_sink_x_0_0.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_0_0.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_0_0.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_0_0.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_0_0.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_0_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_0_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_0_win, 3,0,3,1)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
fft_length, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
144E6, #fc
samp_rate, #bw
"Spectrum", #name
1 #number of inputs
)
self.qtgui_freq_sink_x_0.set_update_time(0.10)
self.qtgui_freq_sink_x_0.set_y_axis(-120, -20)
self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "")
self.qtgui_freq_sink_x_0.enable_autoscale(False)
self.qtgui_freq_sink_x_0.enable_grid(False)
self.qtgui_freq_sink_x_0.set_fft_average(1.0)
self.qtgui_freq_sink_x_0.enable_control_panel(False)
if not True:
self.qtgui_freq_sink_x_0.disable_legend()
if complex == type(float()):
self.qtgui_freq_sink_x_0.set_plot_pos_half(not True)
labels = ["", "", "", "", "",
"", "", "", "", ""]
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ["blue", "red", "green", "black", "cyan",
"magenta", "yellow", "dark red", "dark green", "dark blue"]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_freq_sink_x_0.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_0.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_0.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_0.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win, 0,0,3,1)
self.pfb_arb_resampler_xxx_0 = pfb.arb_resampler_fff(
16E3/float(final_rate/5),
taps=None,
flt_size=32)
self.pfb_arb_resampler_xxx_0.declare_sample_delay(0)
self.osmosdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + "uhd" )
self.osmosdr_source_0.set_sample_rate(samp_rate)
self.osmosdr_source_0.set_center_freq(center_freq, 0)
self.osmosdr_source_0.set_freq_corr(0, 0)
self.osmosdr_source_0.set_dc_offset_mode(0, 0)
self.osmosdr_source_0.set_iq_balance_mode(0, 0)
self.osmosdr_source_0.set_gain_mode(False, 0)
self.osmosdr_source_0.set_gain(gain_db, 0)
self.osmosdr_source_0.set_if_gain(20, 0)
self.osmosdr_source_0.set_bb_gain(20, 0)
self.osmosdr_source_0.set_antenna("", 0)
self.osmosdr_source_0.set_bandwidth(samp_rate*0.8, 0)
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(initial_decim, (variable_low_pass_filter_taps_0), demod_bb_freq, samp_rate)
self.fir_filter_xxx_0_1 = filter.fir_filter_fff(initial_decim, (variable_low_pass_filter_taps_0))
self.fir_filter_xxx_0_1.declare_sample_delay(0)
self.fir_filter_xxx_0_0 = filter.fir_filter_ccc(int(samp_rate/1E6), (variable_low_pass_filter_taps_0))
self.fir_filter_xxx_0_0.declare_sample_delay(0)
self.fir_filter_xxx_0 = filter.fir_filter_ccc(initial_decim, (variable_low_pass_filter_taps_0))
self.fir_filter_xxx_0.declare_sample_delay(0)
self.fft_vxx_0 = fft.fft_vcc(fft_length, True, (window.blackmanharris(fft_length)), True, 1)
self.blocks_wavfile_sink_0 = blocks.wavfile_sink(file_name, 1, 16000, 8)
self.blocks_vector_to_stream_0 = blocks.vector_to_stream(gr.sizeof_float*1, fft_length)
self.blocks_stream_to_vector_0 = blocks.stream_to_vector(gr.sizeof_gr_complex*1, fft_length)
self.blocks_probe_signal_vx_0 = blocks.probe_signal_vf(fft_length)
self.blocks_nlog10_ff_0 = blocks.nlog10_ff(10, fft_length, 0)
self.blocks_keep_one_in_n_0 = blocks.keep_one_in_n(gr.sizeof_gr_complex*fft_length, int(round(samp_rate/fft_length/1000)))
self.blocks_integrate_xx_0 = blocks.integrate_ff(100, fft_length)
self.blocks_complex_to_mag_squared_0 = blocks.complex_to_mag_squared(fft_length)
self.audio_sink_0 = audio.sink(16000, "", True)
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(0.050)
self.analog_pwr_squelch_xx_0_0 = analog.pwr_squelch_ff(-200, 0.1, 0, True)
self.analog_pwr_squelch_xx_0 = analog.pwr_squelch_cc(squelch_dB, 0.1, 0, False)
##################################################
# Connections
##################################################
self.connect((self.analog_pwr_squelch_xx_0, 0), (self.analog_quadrature_demod_cf_0, 0))
self.connect((self.analog_pwr_squelch_xx_0_0, 0), (self.blocks_wavfile_sink_0, 0))
self.connect((self.analog_quadrature_demod_cf_0, 0), (self.fir_filter_xxx_0_1, 0))
self.connect((self.blocks_complex_to_mag_squared_0, 0), (self.blocks_integrate_xx_0, 0))
self.connect((self.blocks_integrate_xx_0, 0), (self.blocks_nlog10_ff_0, 0))
self.connect((self.blocks_keep_one_in_n_0, 0), (self.fft_vxx_0, 0))
self.connect((self.blocks_nlog10_ff_0, 0), (self.blocks_probe_signal_vx_0, 0))
self.connect((self.blocks_nlog10_ff_0, 0), (self.blocks_vector_to_stream_0, 0))
self.connect((self.blocks_stream_to_vector_0, 0), (self.blocks_keep_one_in_n_0, 0))
self.connect((self.blocks_vector_to_stream_0, 0), (self.qtgui_time_sink_x_0, 0))
self.connect((self.fft_vxx_0, 0), (self.blocks_complex_to_mag_squared_0, 0))
self.connect((self.fir_filter_xxx_0, 0), (self.fir_filter_xxx_0_0, 0))
self.connect((self.fir_filter_xxx_0_0, 0), (self.analog_pwr_squelch_xx_0, 0))
self.connect((self.fir_filter_xxx_0_0, 0), (self.qtgui_freq_sink_x_0_0, 0))
self.connect((self.fir_filter_xxx_0_1, 0), (self.pfb_arb_resampler_xxx_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.fir_filter_xxx_0, 0))
self.connect((self.osmosdr_source_0, 0), (self.blocks_stream_to_vector_0, 0))
self.connect((self.osmosdr_source_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
self.connect((self.osmosdr_source_0, 0), (self.qtgui_freq_sink_x_0, 0))
self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.analog_pwr_squelch_xx_0_0, 0))
self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.audio_sink_0, 0))
def __init__(self): grc_wxgui.top_block_gui.__init__(self, title="APRS Receiver") ################################################## # Variables ################################################## self.space = space = 1200 self.mark = mark = 2200 self.xlate_decim = xlate_decim = 8 self.xlate_bandwidth = xlate_bandwidth = 1200*6 self.sym_dev = sym_dev = (mark-space)/2 self.samp_rate = samp_rate = 1e6 self.quad_rate = quad_rate = 96000 self.gain = gain = 10 self.freq_offset = freq_offset = 390e3 self.freq = freq = 144e6 self.baud = baud = 1200 self.audio_rate = audio_rate = 48000 self.audio_mul = audio_mul = 1 self.aprs_rate = aprs_rate = 12000 self.ant = ant = 'TX/RX' ################################################## # Message Queues ################################################## ax25_hdlc_framer_b_0_msgq_out = ax25_print_frame_0_msgq_in = gr.msg_queue(2) ################################################## # Blocks ################################################## self.nb = self.nb = wx.Notebook(self.GetWin(), style=wx.NB_TOP) self.nb.AddPage(grc_wxgui.Panel(self.nb), "Baseband") self.nb.AddPage(grc_wxgui.Panel(self.nb), "Waterfall") self.nb.AddPage(grc_wxgui.Panel(self.nb), "Signal") self.nb.AddPage(grc_wxgui.Panel(self.nb), "Slicer") self.nb.AddPage(grc_wxgui.Panel(self.nb), "Eye") self.Add(self.nb) _gain_sizer = wx.BoxSizer(wx.VERTICAL) self._gain_text_box = forms.text_box( parent=self.GetWin(), sizer=_gain_sizer, value=self.gain, callback=self.set_gain, label="RF Gain", converter=forms.float_converter(), proportion=0, ) self._gain_slider = forms.slider( parent=self.GetWin(), sizer=_gain_sizer, value=self.gain, callback=self.set_gain, minimum=0, maximum=50, num_steps=50, style=wx.SL_HORIZONTAL, cast=float, proportion=1, ) self.Add(_gain_sizer) _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=-500e3, maximum=500e3, num_steps=1000, style=wx.SL_HORIZONTAL, cast=float, proportion=1, ) self.Add(_freq_offset_sizer) self._freq_text_box = forms.text_box( parent=self.GetWin(), value=self.freq, callback=self.set_freq, label="Freq", converter=forms.float_converter(), ) self.Add(self._freq_text_box) _audio_mul_sizer = wx.BoxSizer(wx.VERTICAL) self._audio_mul_text_box = forms.text_box( parent=self.GetWin(), sizer=_audio_mul_sizer, value=self.audio_mul, callback=self.set_audio_mul, label="Audio", converter=forms.float_converter(), proportion=0, ) self._audio_mul_slider = forms.slider( parent=self.GetWin(), sizer=_audio_mul_sizer, value=self.audio_mul, callback=self.set_audio_mul, minimum=0, maximum=10, num_steps=1000, style=wx.SL_HORIZONTAL, cast=float, proportion=1, ) self.Add(_audio_mul_sizer) self._ant_chooser = forms.drop_down( parent=self.GetWin(), value=self.ant, callback=self.set_ant, label="Antenna", choices=['TX/RX', 'RX2'], labels=[], ) self.Add(self._ant_chooser) self.wxgui_waterfallsink2_0 = waterfallsink2.waterfall_sink_c( self.nb.GetPage(1).GetWin(), baseband_freq=0, dynamic_range=50, ref_level=-65, ref_scale=2.0, sample_rate=aprs_rate, fft_size=512, fft_rate=15, average=False, avg_alpha=None, title="Waterfall Plot", ) self.nb.GetPage(1).Add(self.wxgui_waterfallsink2_0.win) self.wxgui_scopesink2_0_0_0 = scopesink2.scope_sink_f( self.nb.GetPage(4).GetWin(), title="Scope Plot", sample_rate=aprs_rate/10, v_scale=0.5, v_offset=0, t_scale=0.002, ac_couple=False, xy_mode=False, num_inputs=1, trig_mode=gr.gr_TRIG_MODE_AUTO, y_axis_label="Counts", ) self.nb.GetPage(4).Add(self.wxgui_scopesink2_0_0_0.win) self.wxgui_scopesink2_0_0 = scopesink2.scope_sink_f( self.nb.GetPage(3).GetWin(), title="Scope Plot", sample_rate=aprs_rate, v_scale=0.5, v_offset=0, t_scale=0.002, ac_couple=False, xy_mode=False, num_inputs=1, trig_mode=gr.gr_TRIG_MODE_AUTO, y_axis_label="Counts", ) self.nb.GetPage(3).Add(self.wxgui_scopesink2_0_0.win) self.wxgui_scopesink2_0 = scopesink2.scope_sink_f( self.nb.GetPage(2).GetWin(), title="Scope Plot", sample_rate=aprs_rate, v_scale=0.05, v_offset=0, t_scale=0.002, ac_couple=False, xy_mode=False, num_inputs=1, trig_mode=gr.gr_TRIG_MODE_AUTO, y_axis_label="Counts", ) self.nb.GetPage(2).Add(self.wxgui_scopesink2_0.win) self.wxgui_fftsink2_0 = fftsink2.fft_sink_c( self.nb.GetPage(0).GetWin(), baseband_freq=0, y_per_div=10, y_divs=10, ref_level=-20, ref_scale=2.0, sample_rate=samp_rate, fft_size=1024, fft_rate=15, average=True, avg_alpha=0.5, title="FFT Plot", peak_hold=False, ) self.nb.GetPage(0).Add(self.wxgui_fftsink2_0.win) def wxgui_fftsink2_0_callback(x, y): self.set_freq_offset(x) self.wxgui_fftsink2_0.set_callback(wxgui_fftsink2_0_callback) self.uhd_usrp_source_0 = uhd.usrp_source( device_addr="", stream_args=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(freq, 0) self.uhd_usrp_source_0.set_gain(gain, 0) self.uhd_usrp_source_0.set_antenna(ant, 0) self.low_pass_filter_0 = gr.fir_filter_ccf(1, firdes.low_pass( 1, aprs_rate, 2e3, 600, firdes.WIN_HAMMING, 6.76)) self.gr_single_pole_iir_filter_xx_0 = gr.single_pole_iir_filter_ff(0.0001, 1) self.gr_null_sink_0 = gr.null_sink(gr.sizeof_float*1) self.gr_multiply_xx_0 = gr.multiply_vcc(1) self.gr_multiply_const_vxx_0 = gr.multiply_const_vff((audio_mul, )) self.gr_agc_xx_1 = gr.agc_ff(1e-3, 0.8, 0.1, 10.0) 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)), freq_offset, samp_rate) self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff(10, .25 * (0.05)**2, 0.5, 0.005, 0.005) self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb() self.blocks_sub_xx_0 = blocks.sub_ff(1) self.blocks_float_to_complex_0 = blocks.float_to_complex(1) self.blks2_rational_resampler_xxx_0_0 = blks2.rational_resampler_ccc( interpolation=quad_rate, decimation=int(samp_rate/xlate_decim), taps=None, fractional_bw=None, ) self.blks2_rational_resampler_xxx_0 = blks2.rational_resampler_ccc( interpolation=aprs_rate, decimation=quad_rate, taps=None, fractional_bw=None, ) self.blks2_nbfm_rx_0_0 = blks2.nbfm_rx( audio_rate=audio_rate, quad_rate=quad_rate, tau=75e-6, max_dev=25000, ) self.blks2_nbfm_rx_0 = blks2.nbfm_rx( audio_rate=aprs_rate, quad_rate=quad_rate, tau=75e-6, max_dev=3e3, ) self.ax25_print_frame_0 = packetradio.queue_watcher_thread(ax25_print_frame_0_msgq_in) self.ax25_hdlc_framer_b_0 = packetradio.hdlc_framer(ax25_hdlc_framer_b_0_msgq_out, False) self.analog_sig_source_x_0 = analog.sig_source_c(aprs_rate, analog.GR_SIN_WAVE, -(min(mark,space)+sym_dev), 1, 0) self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(aprs_rate/(2*math.pi*sym_dev)) self.analog_pwr_squelch_xx_0_0_0 = analog.pwr_squelch_cc(-70, 1e-1, 0, False) self.analog_pwr_squelch_xx_0_0 = analog.pwr_squelch_cc(-70, 1e-1, 0, False) ################################################## # Connections ################################################## self.connect((self.uhd_usrp_source_0, 0), (self.wxgui_fftsink2_0, 0)) self.connect((self.blks2_rational_resampler_xxx_0_0, 0), (self.blks2_rational_resampler_xxx_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.blks2_rational_resampler_xxx_0_0, 0)) self.connect((self.blks2_rational_resampler_xxx_0, 0), (self.wxgui_waterfallsink2_0, 0)) self.connect((self.uhd_usrp_source_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0)) self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.digital_binary_slicer_fb_0, 0)) self.connect((self.blocks_sub_xx_0, 0), (self.digital_clock_recovery_mm_xx_0, 0)) self.connect((self.gr_single_pole_iir_filter_xx_0, 0), (self.blocks_sub_xx_0, 1)) self.connect((self.analog_quadrature_demod_cf_0, 0), (self.gr_single_pole_iir_filter_xx_0, 0)) self.connect((self.analog_quadrature_demod_cf_0, 0), (self.blocks_sub_xx_0, 0)) self.connect((self.low_pass_filter_0, 0), (self.analog_quadrature_demod_cf_0, 0)) self.connect((self.gr_multiply_xx_0, 0), (self.low_pass_filter_0, 0)) self.connect((self.analog_sig_source_x_0, 0), (self.gr_multiply_xx_0, 1)) self.connect((self.blocks_float_to_complex_0, 0), (self.gr_multiply_xx_0, 0)) self.connect((self.blks2_nbfm_rx_0, 0), (self.blocks_float_to_complex_0, 0)) self.connect((self.blks2_nbfm_rx_0, 0), (self.blocks_float_to_complex_0, 1)) self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.wxgui_scopesink2_0_0_0, 0)) self.connect((self.digital_binary_slicer_fb_0, 0), (self.ax25_hdlc_framer_b_0, 0)) self.connect((self.blks2_nbfm_rx_0, 0), (self.wxgui_scopesink2_0, 0)) self.connect((self.blks2_rational_resampler_xxx_0_0, 0), (self.analog_pwr_squelch_xx_0_0, 0)) self.connect((self.analog_pwr_squelch_xx_0_0_0, 0), (self.blks2_nbfm_rx_0, 0)) self.connect((self.blks2_rational_resampler_xxx_0_0, 0), (self.analog_pwr_squelch_xx_0_0_0, 0)) self.connect((self.analog_quadrature_demod_cf_0, 0), (self.wxgui_scopesink2_0_0, 0)) self.connect((self.blks2_nbfm_rx_0_0, 0), (self.gr_agc_xx_1, 0)) self.connect((self.analog_pwr_squelch_xx_0_0, 0), (self.blks2_nbfm_rx_0_0, 0)) self.connect((self.gr_agc_xx_1, 0), (self.gr_multiply_const_vxx_0, 0)) self.connect((self.gr_multiply_const_vxx_0, 0), (self.gr_null_sink_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Ham2Mon Receiver Flow Example")
Qt.QWidget.__init__(self)
self.setWindowTitle("Ham2Mon Receiver Flow Example")
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "flow_example")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 1E6
self.initial_decim = initial_decim = 5
self.samp_ratio = samp_ratio = samp_rate / 1E6
self.final_rate = final_rate = samp_rate / initial_decim**2 / int(
samp_rate / 1E6)
self.variable_low_pass_filter_taps_2 = variable_low_pass_filter_taps_2 = firdes.low_pass(
1.0, final_rate, 3500, 500, firdes.WIN_HAMMING, 6.76)
self.variable_low_pass_filter_taps_1 = variable_low_pass_filter_taps_1 = firdes.low_pass(
1.0, samp_rate / 25, 12.5E3, 1E3, firdes.WIN_HAMMING, 6.76)
self.variable_low_pass_filter_taps_0 = variable_low_pass_filter_taps_0 = firdes.low_pass(
1.0, 1, 0.090, 0.010, firdes.WIN_HAMMING, 6.76)
self.squelch_dB = squelch_dB = -70
self.gain_db = gain_db = 30
self.final_decim = final_decim = int(samp_rate / 1E6)
self.file_name = file_name = "test.wav"
self.fft_length = fft_length = 256 * int(
pow(2, np.ceil(np.log(samp_ratio) / np.log(2))))
self.demod_bb_freq = demod_bb_freq = 390E3
self.center_freq = center_freq = 144E6
##################################################
# Blocks
##################################################
self._squelch_dB_range = Range(-100, 0, 5, -70, 200)
self._squelch_dB_win = RangeWidget(self._squelch_dB_range,
self.set_squelch_dB, "Squelch (dB)",
"counter_slider", float)
self.top_grid_layout.addWidget(self._squelch_dB_win, 5, 1, 1, 3)
self._gain_db_range = Range(0, 70, 1, 30, 200)
self._gain_db_win = RangeWidget(self._gain_db_range, self.set_gain_db,
"HW Gain (dB)", "counter_slider",
float)
self.top_grid_layout.addWidget(self._gain_db_win, 4, 1, 1, 3)
self._demod_bb_freq_range = Range(-samp_rate / 2, samp_rate / 2, 5E3,
390E3, 200)
self._demod_bb_freq_win = RangeWidget(self._demod_bb_freq_range,
self.set_demod_bb_freq,
"Demod BB Freq (Hz)",
"counter_slider", float)
self.top_grid_layout.addWidget(self._demod_bb_freq_win, 3, 1, 1, 3)
self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
fft_length, #size
samp_rate, #samp_rate
"Averaged Spectrum", #name
1 #number of inputs
)
self.qtgui_time_sink_x_0.set_update_time(0.10)
self.qtgui_time_sink_x_0.set_y_axis(-60, 40)
self.qtgui_time_sink_x_0.set_y_label("Power", "")
self.qtgui_time_sink_x_0.enable_tags(-1, True)
self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE,
qtgui.TRIG_SLOPE_POS, 0.0, 0,
0, "")
self.qtgui_time_sink_x_0.enable_autoscale(False)
self.qtgui_time_sink_x_0.enable_grid(False)
self.qtgui_time_sink_x_0.enable_control_panel(False)
if not True:
self.qtgui_time_sink_x_0.disable_legend()
labels = ["", "", "", "", "", "", "", "", "", ""]
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "blue"
]
styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_time_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_win = sip.wrapinstance(
self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_win, 0, 1, 3,
1)
self.qtgui_freq_sink_x_0_0 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
final_rate, #bw
"Decimated Channel", #name
1 #number of inputs
)
self.qtgui_freq_sink_x_0_0.set_update_time(0.10)
self.qtgui_freq_sink_x_0_0.set_y_axis(-200, -60)
self.qtgui_freq_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0,
0, "")
self.qtgui_freq_sink_x_0_0.enable_autoscale(False)
self.qtgui_freq_sink_x_0_0.enable_grid(False)
self.qtgui_freq_sink_x_0_0.set_fft_average(1.0)
self.qtgui_freq_sink_x_0_0.enable_control_panel(False)
if not True:
self.qtgui_freq_sink_x_0_0.disable_legend()
if complex == type(float()):
self.qtgui_freq_sink_x_0_0.set_plot_pos_half(not True)
labels = ["", "", "", "", "", "", "", "", "", ""]
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "dark blue"
]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_freq_sink_x_0_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_0_0.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_0_0.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_0_0.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_0_0.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_0_0_win = sip.wrapinstance(
self.qtgui_freq_sink_x_0_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_0_win, 3, 0,
3, 1)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
fft_length, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
144E6, #fc
samp_rate, #bw
"Spectrum", #name
1 #number of inputs
)
self.qtgui_freq_sink_x_0.set_update_time(0.10)
self.qtgui_freq_sink_x_0.set_y_axis(-120, -20)
self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0,
"")
self.qtgui_freq_sink_x_0.enable_autoscale(False)
self.qtgui_freq_sink_x_0.enable_grid(False)
self.qtgui_freq_sink_x_0.set_fft_average(1.0)
self.qtgui_freq_sink_x_0.enable_control_panel(False)
if not True:
self.qtgui_freq_sink_x_0.disable_legend()
if complex == type(float()):
self.qtgui_freq_sink_x_0.set_plot_pos_half(not True)
labels = ["", "", "", "", "", "", "", "", "", ""]
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "dark blue"
]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_freq_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_0.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_0.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_0.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_0_win = sip.wrapinstance(
self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win, 0, 0, 3,
1)
self.pfb_arb_resampler_xxx_0 = pfb.arb_resampler_fff(
16E3 / float(final_rate / 5), taps=None, flt_size=32)
self.pfb_arb_resampler_xxx_0.declare_sample_delay(0)
self.osmosdr_source_0 = osmosdr.source(args="numchan=" + str(1) + " " +
"uhd")
self.osmosdr_source_0.set_sample_rate(samp_rate)
self.osmosdr_source_0.set_center_freq(center_freq, 0)
self.osmosdr_source_0.set_freq_corr(0, 0)
self.osmosdr_source_0.set_dc_offset_mode(0, 0)
self.osmosdr_source_0.set_iq_balance_mode(0, 0)
self.osmosdr_source_0.set_gain_mode(False, 0)
self.osmosdr_source_0.set_gain(gain_db, 0)
self.osmosdr_source_0.set_if_gain(20, 0)
self.osmosdr_source_0.set_bb_gain(20, 0)
self.osmosdr_source_0.set_antenna("", 0)
self.osmosdr_source_0.set_bandwidth(samp_rate * 0.8, 0)
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(
initial_decim, (variable_low_pass_filter_taps_0), demod_bb_freq,
samp_rate)
self.fir_filter_xxx_0_1 = filter.fir_filter_fff(
initial_decim, (variable_low_pass_filter_taps_0))
self.fir_filter_xxx_0_1.declare_sample_delay(0)
self.fir_filter_xxx_0_0 = filter.fir_filter_ccc(
int(samp_rate / 1E6), (variable_low_pass_filter_taps_0))
self.fir_filter_xxx_0_0.declare_sample_delay(0)
self.fir_filter_xxx_0 = filter.fir_filter_ccc(
initial_decim, (variable_low_pass_filter_taps_0))
self.fir_filter_xxx_0.declare_sample_delay(0)
self.fft_vxx_0 = fft.fft_vcc(fft_length, True,
(window.blackmanharris(fft_length)), True,
1)
self.blocks_wavfile_sink_0 = blocks.wavfile_sink(
file_name, 1, 16000, 8)
self.blocks_vector_to_stream_0 = blocks.vector_to_stream(
gr.sizeof_float * 1, fft_length)
self.blocks_stream_to_vector_0 = blocks.stream_to_vector(
gr.sizeof_gr_complex * 1, fft_length)
self.blocks_probe_signal_vx_0 = blocks.probe_signal_vf(fft_length)
self.blocks_nlog10_ff_0 = blocks.nlog10_ff(10, fft_length, 0)
self.blocks_keep_one_in_n_0 = blocks.keep_one_in_n(
gr.sizeof_gr_complex * fft_length,
int(round(samp_rate / fft_length / 1000)))
self.blocks_integrate_xx_0 = blocks.integrate_ff(100, fft_length)
self.blocks_complex_to_mag_squared_0 = blocks.complex_to_mag_squared(
fft_length)
self.audio_sink_0 = audio.sink(16000, "", True)
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(0.050)
self.analog_pwr_squelch_xx_0_0 = analog.pwr_squelch_ff(
-200, 0.1, 0, True)
self.analog_pwr_squelch_xx_0 = analog.pwr_squelch_cc(
squelch_dB, 0.1, 0, False)
##################################################
# Connections
##################################################
self.connect((self.analog_pwr_squelch_xx_0, 0),
(self.analog_quadrature_demod_cf_0, 0))
self.connect((self.analog_pwr_squelch_xx_0_0, 0),
(self.blocks_wavfile_sink_0, 0))
self.connect((self.analog_quadrature_demod_cf_0, 0),
(self.fir_filter_xxx_0_1, 0))
self.connect((self.blocks_complex_to_mag_squared_0, 0),
(self.blocks_integrate_xx_0, 0))
self.connect((self.blocks_integrate_xx_0, 0),
(self.blocks_nlog10_ff_0, 0))
self.connect((self.blocks_keep_one_in_n_0, 0), (self.fft_vxx_0, 0))
self.connect((self.blocks_nlog10_ff_0, 0),
(self.blocks_probe_signal_vx_0, 0))
self.connect((self.blocks_nlog10_ff_0, 0),
(self.blocks_vector_to_stream_0, 0))
self.connect((self.blocks_stream_to_vector_0, 0),
(self.blocks_keep_one_in_n_0, 0))
self.connect((self.blocks_vector_to_stream_0, 0),
(self.qtgui_time_sink_x_0, 0))
self.connect((self.fft_vxx_0, 0),
(self.blocks_complex_to_mag_squared_0, 0))
self.connect((self.fir_filter_xxx_0, 0), (self.fir_filter_xxx_0_0, 0))
self.connect((self.fir_filter_xxx_0_0, 0),
(self.analog_pwr_squelch_xx_0, 0))
self.connect((self.fir_filter_xxx_0_0, 0),
(self.qtgui_freq_sink_x_0_0, 0))
self.connect((self.fir_filter_xxx_0_1, 0),
(self.pfb_arb_resampler_xxx_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0),
(self.fir_filter_xxx_0, 0))
self.connect((self.osmosdr_source_0, 0),
(self.blocks_stream_to_vector_0, 0))
self.connect((self.osmosdr_source_0, 0),
(self.freq_xlating_fir_filter_xxx_0, 0))
self.connect((self.osmosdr_source_0, 0), (self.qtgui_freq_sink_x_0, 0))
self.connect((self.pfb_arb_resampler_xxx_0, 0),
(self.analog_pwr_squelch_xx_0_0, 0))
self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.audio_sink_0, 0))
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="NBFM Receiver/Deviation Meter")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Variables
##################################################
self.volume = volume = .4
self.thresh = thresh = -24
self.samp_rate = samp_rate = 2.40e6
self.ramp = ramp = 1
self.alpha = alpha = .01
self.RF_Gain = RF_Gain = 50
self.Freq = Freq = 144.39
##################################################
# Blocks
##################################################
_volume_sizer = wx.BoxSizer(wx.VERTICAL)
self._volume_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_volume_sizer,
value=self.volume,
callback=self.set_volume,
label="Volume",
converter=forms.float_converter(),
proportion=0,
)
self._volume_slider = forms.slider(
parent=self.GetWin(),
sizer=_volume_sizer,
value=self.volume,
callback=self.set_volume,
minimum=0,
maximum=3,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_volume_sizer, 1, 1, 1, 1)
_thresh_sizer = wx.BoxSizer(wx.VERTICAL)
self._thresh_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_thresh_sizer,
value=self.thresh,
callback=self.set_thresh,
label="Squelch",
converter=forms.float_converter(),
proportion=0,
)
self._thresh_slider = forms.slider(
parent=self.GetWin(),
sizer=_thresh_sizer,
value=self.thresh,
callback=self.set_thresh,
minimum=-70,
maximum=0,
num_steps=70,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_thresh_sizer, 2, 1, 1, 1)
self._ramp_text_box = forms.text_box(
parent=self.GetWin(),
value=self.ramp,
callback=self.set_ramp,
label="Ramp",
converter=forms.float_converter(),
)
self.GridAdd(self._ramp_text_box, 3, 0, 1, 1)
self._alpha_text_box = forms.text_box(
parent=self.GetWin(),
value=self.alpha,
callback=self.set_alpha,
label="alpha",
converter=forms.float_converter(),
)
self.GridAdd(self._alpha_text_box, 3, 1, 1, 1)
_RF_Gain_sizer = wx.BoxSizer(wx.VERTICAL)
self._RF_Gain_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_RF_Gain_sizer,
value=self.RF_Gain,
callback=self.set_RF_Gain,
label="RF Gain",
converter=forms.float_converter(),
proportion=0,
)
self._RF_Gain_slider = forms.slider(
parent=self.GetWin(),
sizer=_RF_Gain_sizer,
value=self.RF_Gain,
callback=self.set_RF_Gain,
minimum=0,
maximum=50,
num_steps=50,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_RF_Gain_sizer, 2, 0, 1, 1)
self._Freq_text_box = forms.text_box(
parent=self.GetWin(),
value=self.Freq,
callback=self.set_Freq,
label="Frequency (MHz)",
converter=forms.float_converter(),
)
self.GridAdd(self._Freq_text_box, 1, 0, 1, 1)
self.wxgui_scopesink2_0 = scopesink2.scope_sink_f(
self.GetWin(),
title="Scope Plot",
sample_rate=48000,
v_scale=2,
v_offset=0,
t_scale=2e-3,
ac_couple=False,
xy_mode=False,
num_inputs=1,
trig_mode=wxgui.TRIG_MODE_AUTO,
y_axis_label="KHz Deviation",
)
self.GridAdd(self.wxgui_scopesink2_0.win, 0, 0, 1, 1)
self.single_pole_iir_filter_xx_0 = filter.single_pole_iir_filter_ff(38.55e-3, 1)
self.rtlsdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + "" )
self.rtlsdr_source_0.set_sample_rate(samp_rate)
self.rtlsdr_source_0.set_center_freq(Freq*1e6, 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(0, 0)
self.rtlsdr_source_0.set_gain(RF_Gain, 0)
self.rtlsdr_source_0.set_if_gain(20, 0)
self.rtlsdr_source_0.set_bb_gain(1, 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(50, firdes.low_pass(
1, samp_rate, 7.5e3, 3e3, firdes.WIN_HAMMING, 6.76))
self.blocks_multiply_const_vxx_0_0 = blocks.multiply_const_vff((6.5, ))
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((volume, ))
self.audio_sink_0 = audio.sink(48000, "", True)
self.analog_pwr_squelch_xx_0 = analog.pwr_squelch_cc(thresh, alpha, ramp, False)
self.analog_fm_demod_cf_0 = analog.fm_demod_cf(
channel_rate=48000,
audio_decim=1,
deviation=10000,
audio_pass=3500,
audio_stop=4000,gnu
gain=1.0,
tau=1e-6,
)
##################################################
# Connections
##################################################
self.connect((self.rtlsdr_source_0, 0), (self.low_pass_filter_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.analog_pwr_squelch_xx_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.audio_sink_0, 0))
self.connect((self.blocks_multiply_const_vxx_0_0, 0), (self.wxgui_scopesink2_0, 0))
self.connect((self.analog_pwr_squelch_xx_0, 0), (self.analog_fm_demod_cf_0, 0))
self.connect((self.analog_fm_demod_cf_0, 0), (self.blocks_multiply_const_vxx_0_0, 0))
self.connect((self.analog_fm_demod_cf_0, 0), (self.single_pole_iir_filter_xx_0, 0))
self.connect((self.single_pole_iir_filter_xx_0, 0), (self.blocks_multiply_const_vxx_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Multimon Flex Rtl 0")
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 2.4e6
self.channel_1 = channel_1 = 929.65e6
self.channel_0 = channel_0 = 929.6e6
self.xlate_filter_taps = xlate_filter_taps = firdes.low_pass(1, samp_rate, 125000, 25000, firdes.WIN_HAMMING, 6.76)
self.sqlch = sqlch = -50
self.if_gain = if_gain = -14
self.gain = gain = 50
self.firdes_tap = firdes_tap = firdes.low_pass(1, samp_rate, 125000, 25000, firdes.WIN_HAMMING, 6.76)
self.corr = corr = -14
self.center_freq_0 = center_freq_0 = sum([channel_0, channel_1] ) / float(len([channel_0, channel_1]))
self.bb_gain = bb_gain = 40
##################################################
# Blocks
##################################################
self.osmosdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + 'rtl=0' )
self.osmosdr_source_0.set_sample_rate(samp_rate)
self.osmosdr_source_0.set_center_freq(center_freq_0 - 100000, 0)
self.osmosdr_source_0.set_freq_corr(corr, 0)
self.osmosdr_source_0.set_dc_offset_mode(0, 0)
self.osmosdr_source_0.set_iq_balance_mode(2, 0)
self.osmosdr_source_0.set_gain_mode(True, 0)
self.osmosdr_source_0.set_gain(gain, 0)
self.osmosdr_source_0.set_if_gain(if_gain, 0)
self.osmosdr_source_0.set_bb_gain(bb_gain, 0)
self.osmosdr_source_0.set_antenna('', 0)
self.osmosdr_source_0.set_bandwidth(0, 0)
self.low_pass_filter_0_0 = filter.fir_filter_ccf(1, firdes.low_pass(
1, 48e3, 6.5e3, 2e3, firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_0 = filter.fir_filter_ccf(1, firdes.low_pass(
1, 48e3, 6.5e3, 2e3, firdes.WIN_HAMMING, 6.76))
self.freq_xlating_fir_filter_xxx_0_0 = filter.freq_xlating_fir_filter_ccc(int(samp_rate / 48000), (firdes_tap), channel_1 - center_freq_0, samp_rate)
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(int(samp_rate / 48000), (firdes_tap), channel_0 - center_freq_0, samp_rate)
self.blocks_udp_sink_1 = blocks.udp_sink(gr.sizeof_short*1, '127.0.0.1', 7301, 1472, True)
self.blocks_udp_sink_0 = blocks.udp_sink(gr.sizeof_short*1, '127.0.0.1', 7300, 1472, True)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_multiply_const_vxx_0_2 = blocks.multiply_const_vff((0.1, ))
self.blocks_multiply_const_vxx_0_0_1 = blocks.multiply_const_vff((0.1, ))
self.blocks_float_to_short_0_1 = blocks.float_to_short(1, 32767)
self.blocks_float_to_short_0_0 = blocks.float_to_short(1, 32767)
self.analog_sig_source_x_0 = analog.sig_source_c(samp_rate, analog.GR_COS_WAVE, -100000, 1, 0)
self.analog_pwr_squelch_xx_0_2 = analog.pwr_squelch_cc(sqlch, 1, 1, True)
self.analog_pwr_squelch_xx_0_0_1 = analog.pwr_squelch_cc(sqlch, 1, 1, True)
self.analog_nbfm_rx_0_0 = analog.nbfm_rx(
audio_rate=48000,
quad_rate=48000,
tau=75e-6,
max_dev=5000,
)
self.analog_nbfm_rx_0 = analog.nbfm_rx(
audio_rate=48000,
quad_rate=48000,
tau=75e-6,
max_dev=5000,
)
##################################################
# Connections
##################################################
self.connect((self.analog_nbfm_rx_0, 0), (self.blocks_multiply_const_vxx_0_2, 0))
self.connect((self.analog_nbfm_rx_0_0, 0), (self.blocks_multiply_const_vxx_0_0_1, 0))
self.connect((self.analog_pwr_squelch_xx_0_0_1, 0), (self.low_pass_filter_0_0, 0))
self.connect((self.analog_pwr_squelch_xx_0_2, 0), (self.low_pass_filter_0, 0))
self.connect((self.analog_sig_source_x_0, 0), (self.blocks_multiply_xx_0, 1))
self.connect((self.blocks_float_to_short_0_0, 0), (self.blocks_udp_sink_0, 0))
self.connect((self.blocks_float_to_short_0_1, 0), (self.blocks_udp_sink_1, 0))
self.connect((self.blocks_multiply_const_vxx_0_0_1, 0), (self.blocks_float_to_short_0_1, 0))
self.connect((self.blocks_multiply_const_vxx_0_2, 0), (self.blocks_float_to_short_0_0, 0))
self.connect((self.blocks_multiply_xx_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
self.connect((self.blocks_multiply_xx_0, 0), (self.freq_xlating_fir_filter_xxx_0_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.analog_pwr_squelch_xx_0_2, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0_0, 0), (self.analog_pwr_squelch_xx_0_0_1, 0))
self.connect((self.low_pass_filter_0, 0), (self.analog_nbfm_rx_0, 0))
self.connect((self.low_pass_filter_0_0, 0), (self.analog_nbfm_rx_0_0, 0))
self.connect((self.osmosdr_source_0, 0), (self.blocks_multiply_xx_0, 0))
def __init__(self):
gr.top_block.__init__(self, "WBFM 2 Channel")
Qt.QWidget.__init__(self)
self.setWindowTitle("WBFM 2 Channel")
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "wbfm_2ch")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.radio_freq = radio_freq = 100
self.samp_rate = samp_rate = 240e4
self.rf_gain = rf_gain = 10
self.freq = freq = radio_freq * 1000000
self.ch2volume = ch2volume = 5
self.ch2squelch = ch2squelch = -30
self.ch2mute = ch2mute = 1
self.ch2freq = ch2freq = radio_freq
self.ch1volume = ch1volume = 5
self.ch1squelch = ch1squelch = -30
self.ch1mute = ch1mute = 1
self.ch1freq = ch1freq = radio_freq
##################################################
# Blocks
##################################################
self.ch2 = Qt.QTabWidget()
self.ch2_widget_0 = Qt.QWidget()
self.ch2_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.ch2_widget_0)
self.ch2_grid_layout_0 = Qt.QGridLayout()
self.ch2_layout_0.addLayout(self.ch2_grid_layout_0)
self.ch2.addTab(self.ch2_widget_0, "Ch 2")
self.top_grid_layout.addWidget(self.ch2, 2,1,1,1)
self.ch1 = Qt.QTabWidget()
self.ch1_widget_0 = Qt.QWidget()
self.ch1_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.ch1_widget_0)
self.ch1_grid_layout_0 = Qt.QGridLayout()
self.ch1_layout_0.addLayout(self.ch1_grid_layout_0)
self.ch1.addTab(self.ch1_widget_0, "Ch 1")
self.top_grid_layout.addWidget(self.ch1, 2,0,1,1)
self._rf_gain_range = Range(0, 50, 1, 10, 200)
self._rf_gain_win = RangeWidget(self._rf_gain_range, self.set_rf_gain, "RF Gain", "counter_slider", float)
self.top_grid_layout.addWidget(self._rf_gain_win, 1,0,1,2)
self._ch2volume_range = Range(0, 10, 1, 5, 200)
self._ch2volume_win = RangeWidget(self._ch2volume_range, self.set_ch2volume, "Ch2 Volume", "counter_slider", float)
self.ch2_grid_layout_0.addWidget(self._ch2volume_win, 1,0,1,2)
self._ch2squelch_range = Range(-70, 0, 10, -30, 200)
self._ch2squelch_win = RangeWidget(self._ch2squelch_range, self.set_ch2squelch, "Ch2 Squelch", "counter_slider", int)
self.ch2_grid_layout_0.addWidget(self._ch2squelch_win, 2,0,1,2)
_ch2mute_check_box = Qt.QCheckBox("Mute")
self._ch2mute_choices = {True: 0, False: 1}
self._ch2mute_choices_inv = dict((v,k) for k,v in self._ch2mute_choices.iteritems())
self._ch2mute_callback = lambda i: Qt.QMetaObject.invokeMethod(_ch2mute_check_box, "setChecked", Qt.Q_ARG("bool", self._ch2mute_choices_inv[i]))
self._ch2mute_callback(self.ch2mute)
_ch2mute_check_box.stateChanged.connect(lambda i: self.set_ch2mute(self._ch2mute_choices[bool(i)]))
self.ch2_grid_layout_0.addWidget(_ch2mute_check_box, 0,1,1,1)
self._ch2freq_tool_bar = Qt.QToolBar(self)
self._ch2freq_tool_bar.addWidget(Qt.QLabel("Ch2 Freq"+": "))
self._ch2freq_line_edit = Qt.QLineEdit(str(self.ch2freq))
self._ch2freq_tool_bar.addWidget(self._ch2freq_line_edit)
self._ch2freq_line_edit.returnPressed.connect(
lambda: self.set_ch2freq(eng_notation.str_to_num(str(self._ch2freq_line_edit.text().toAscii()))))
self.ch2_grid_layout_0.addWidget(self._ch2freq_tool_bar, 0,0,1,1)
self._ch1volume_range = Range(0, 10, 1, 5, 200)
self._ch1volume_win = RangeWidget(self._ch1volume_range, self.set_ch1volume, "Ch1 Volume", "counter_slider", float)
self.ch1_grid_layout_0.addWidget(self._ch1volume_win, 1,0,1,2)
self._ch1squelch_range = Range(-70, 0, 10, -30, 200)
self._ch1squelch_win = RangeWidget(self._ch1squelch_range, self.set_ch1squelch, "Ch1 Squelch", "counter_slider", int)
self.ch1_grid_layout_0.addWidget(self._ch1squelch_win, 2,0,1,2)
_ch1mute_check_box = Qt.QCheckBox("Mute")
self._ch1mute_choices = {True: 0, False: 1}
self._ch1mute_choices_inv = dict((v,k) for k,v in self._ch1mute_choices.iteritems())
self._ch1mute_callback = lambda i: Qt.QMetaObject.invokeMethod(_ch1mute_check_box, "setChecked", Qt.Q_ARG("bool", self._ch1mute_choices_inv[i]))
self._ch1mute_callback(self.ch1mute)
_ch1mute_check_box.stateChanged.connect(lambda i: self.set_ch1mute(self._ch1mute_choices[bool(i)]))
self.ch1_grid_layout_0.addWidget(_ch1mute_check_box, 0,1,1,1)
self._ch1freq_tool_bar = Qt.QToolBar(self)
self._ch1freq_tool_bar.addWidget(Qt.QLabel("Ch1 Freq"+": "))
self._ch1freq_line_edit = Qt.QLineEdit(str(self.ch1freq))
self._ch1freq_tool_bar.addWidget(self._ch1freq_line_edit)
self._ch1freq_line_edit.returnPressed.connect(
lambda: self.set_ch1freq(eng_notation.str_to_num(str(self._ch1freq_line_edit.text().toAscii()))))
self.ch1_grid_layout_0.addWidget(self._ch1freq_tool_bar, 0,0,1,1)
self.rtlsdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + "" )
self.rtlsdr_source_0.set_sample_rate(samp_rate)
self.rtlsdr_source_0.set_center_freq(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(rf_gain, 0)
self.rtlsdr_source_0.set_if_gain(20, 0)
self.rtlsdr_source_0.set_bb_gain(20, 0)
self.rtlsdr_source_0.set_antenna("", 0)
self.rtlsdr_source_0.set_bandwidth(0, 0)
self.rational_resampler_xxx_2_0 = filter.rational_resampler_ccc(
interpolation=400000,
decimation=2400000,
taps=None,
fractional_bw=None,
)
self.rational_resampler_xxx_2 = filter.rational_resampler_ccc(
interpolation=400000,
decimation=2400000,
taps=None,
fractional_bw=None,
)
self.rational_resampler_xxx_1_0 = filter.rational_resampler_fff(
interpolation=48,
decimation=50,
taps=None,
fractional_bw=None,
)
self.rational_resampler_xxx_1 = filter.rational_resampler_fff(
interpolation=48,
decimation=50,
taps=None,
fractional_bw=None,
)
self.rational_resampler_xxx_0_0 = filter.rational_resampler_ccc(
interpolation=500000,
decimation=2400000,
taps=None,
fractional_bw=None,
)
self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=500000,
decimation=2400000,
taps=None,
fractional_bw=None,
)
self._radio_freq_tool_bar = Qt.QToolBar(self)
self._radio_freq_tool_bar.addWidget(Qt.QLabel("Frequency (MHz)"+": "))
self._radio_freq_line_edit = Qt.QLineEdit(str(self.radio_freq))
self._radio_freq_tool_bar.addWidget(self._radio_freq_line_edit)
self._radio_freq_line_edit.returnPressed.connect(
lambda: self.set_radio_freq(eng_notation.str_to_num(str(self._radio_freq_line_edit.text().toAscii()))))
self.top_grid_layout.addWidget(self._radio_freq_tool_bar, 0,0,1,2)
self.qtgui_waterfall_sink_x_0 = qtgui.waterfall_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
freq, #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 == type(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(-100, 10)
self._qtgui_waterfall_sink_x_0_win = sip.wrapinstance(self.qtgui_waterfall_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_waterfall_sink_x_0_win, 3,0,1,2)
self.qtgui_freq_sink_x_0_0 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
ch2freq, #fc
400000, #bw
"", #name
1 #number of inputs
)
self.qtgui_freq_sink_x_0_0.set_update_time(0.10)
self.qtgui_freq_sink_x_0_0.set_y_axis(-100, 10)
self.qtgui_freq_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "")
self.qtgui_freq_sink_x_0_0.enable_autoscale(False)
self.qtgui_freq_sink_x_0_0.enable_grid(False)
self.qtgui_freq_sink_x_0_0.set_fft_average(1.0)
self.qtgui_freq_sink_x_0_0.enable_control_panel(False)
if not False:
self.qtgui_freq_sink_x_0_0.disable_legend()
if complex == type(float()):
self.qtgui_freq_sink_x_0_0.set_plot_pos_half(not True)
labels = ["", "", "", "", "",
"", "", "", "", ""]
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ["blue", "red", "green", "black", "cyan",
"magenta", "yellow", "dark red", "dark green", "dark blue"]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_freq_sink_x_0_0.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_0_0.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_0_0.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_0_0.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_0_0.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_0_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_0_0.pyqwidget(), Qt.QWidget)
self.ch2_grid_layout_0.addWidget(self._qtgui_freq_sink_x_0_0_win, 3,0,1,2)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
ch1freq, #fc
400000, #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(-100, 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 False:
self.qtgui_freq_sink_x_0.disable_legend()
if complex == type(float()):
self.qtgui_freq_sink_x_0.set_plot_pos_half(not True)
labels = ["", "", "", "", "",
"", "", "", "", ""]
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ["blue", "red", "green", "black", "cyan",
"magenta", "yellow", "dark red", "dark green", "dark blue"]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_freq_sink_x_0.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_0.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_0.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_0.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
self.ch1_grid_layout_0.addWidget(self._qtgui_freq_sink_x_0_win, 3,0,1,2)
self.low_pass_filter_0_0 = filter.fir_filter_ccf(1, firdes.low_pass(
1, 500000, 100e3, 8000, firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_0 = filter.fir_filter_ccf(1, firdes.low_pass(
1, 500000, 100e3, 8000, firdes.WIN_HAMMING, 6.76))
self.freq_xlating_fft_filter_ccc_0_0 = filter.freq_xlating_fft_filter_ccc(1, (firdes.low_pass(1,samp_rate,200000,10000)), (ch2freq * 1000000) - freq, samp_rate)
self.freq_xlating_fft_filter_ccc_0_0.set_nthreads(1)
self.freq_xlating_fft_filter_ccc_0_0.declare_sample_delay(0)
self.freq_xlating_fft_filter_ccc_0 = filter.freq_xlating_fft_filter_ccc(1, (firdes.low_pass(1,samp_rate,200000,10000)), (ch1freq * 1000000) - freq, samp_rate)
self.freq_xlating_fft_filter_ccc_0.set_nthreads(1)
self.freq_xlating_fft_filter_ccc_0.declare_sample_delay(0)
self.blocks_multiply_const_vxx_1_0 = blocks.multiply_const_vff((ch2mute, ))
self.blocks_multiply_const_vxx_1 = blocks.multiply_const_vff((ch1mute, ))
self.blocks_multiply_const_vxx_0_0 = blocks.multiply_const_vff((ch2volume, ))
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((ch1volume, ))
self.audio_sink_0_0 = audio.sink(48000, "", True)
self.audio_sink_0 = audio.sink(48000, "", True)
self.analog_wfm_rcv_0_0 = analog.wfm_rcv(
quad_rate=500000,
audio_decimation=10,
)
self.analog_wfm_rcv_0 = analog.wfm_rcv(
quad_rate=500000,
audio_decimation=10,
)
self.analog_pwr_squelch_xx_0_0 = analog.pwr_squelch_cc(ch2squelch, 1e-4, 0, True)
self.analog_pwr_squelch_xx_0 = analog.pwr_squelch_cc(ch1squelch, 1e-4, 0, True)
##################################################
# Connections
##################################################
self.connect((self.analog_pwr_squelch_xx_0, 0), (self.rational_resampler_xxx_0, 0))
self.connect((self.analog_pwr_squelch_xx_0_0, 0), (self.rational_resampler_xxx_0_0, 0))
self.connect((self.analog_wfm_rcv_0, 0), (self.rational_resampler_xxx_1, 0))
self.connect((self.analog_wfm_rcv_0_0, 0), (self.rational_resampler_xxx_1_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.blocks_multiply_const_vxx_1, 0))
self.connect((self.blocks_multiply_const_vxx_0_0, 0), (self.blocks_multiply_const_vxx_1_0, 0))
self.connect((self.blocks_multiply_const_vxx_1, 0), (self.audio_sink_0, 0))
self.connect((self.blocks_multiply_const_vxx_1_0, 0), (self.audio_sink_0_0, 0))
self.connect((self.freq_xlating_fft_filter_ccc_0, 0), (self.analog_pwr_squelch_xx_0, 0))
self.connect((self.freq_xlating_fft_filter_ccc_0, 0), (self.rational_resampler_xxx_2, 0))
self.connect((self.freq_xlating_fft_filter_ccc_0_0, 0), (self.analog_pwr_squelch_xx_0_0, 0))
self.connect((self.freq_xlating_fft_filter_ccc_0_0, 0), (self.rational_resampler_xxx_2_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.analog_wfm_rcv_0, 0))
self.connect((self.low_pass_filter_0_0, 0), (self.analog_wfm_rcv_0_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.low_pass_filter_0, 0))
self.connect((self.rational_resampler_xxx_0_0, 0), (self.low_pass_filter_0_0, 0))
self.connect((self.rational_resampler_xxx_1, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self.rational_resampler_xxx_1_0, 0), (self.blocks_multiply_const_vxx_0_0, 0))
self.connect((self.rational_resampler_xxx_2, 0), (self.qtgui_freq_sink_x_0, 0))
self.connect((self.rational_resampler_xxx_2_0, 0), (self.qtgui_freq_sink_x_0_0, 0))
self.connect((self.rtlsdr_source_0, 0), (self.freq_xlating_fft_filter_ccc_0, 0))
self.connect((self.rtlsdr_source_0, 0), (self.freq_xlating_fft_filter_ccc_0_0, 0))
self.connect((self.rtlsdr_source_0, 0), (self.qtgui_waterfall_sink_x_0, 0))
def __init__(self, frame_size=32, puncpat='11'):
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())
##################################################
# Parameters
##################################################
self.frame_size = frame_size
self.puncpat = puncpat
##################################################
# Variables
##################################################
self.samples_per_symbol = samples_per_symbol = 64
self.rate = rate = 2
self.polys = polys = [79, 109]
self.k = k = 7
self.bitrate = bitrate = 9600
self.samp_rate = samp_rate = samples_per_symbol*bitrate
self.gain = gain = 50
self.dec_cc = dec_cc = fec.cc_decoder.make(frame_size, k, rate, (polys), 0, -1, fec.CC_STREAMING, False)
self.centre_freq = centre_freq = 401e6
self.bandwidth = bandwidth = 200e3
##################################################
# Blocks
##################################################
self._gain_range = Range(0, 100, 1, 50, 200)
self._gain_win = RangeWidget(self._gain_range, self.set_gain, "gain", "counter_slider", float)
self.top_layout.addWidget(self._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_time_unknown_pps(uhd.time_spec())
self.uhd_usrp_source_0.set_samp_rate(samp_rate)
self.uhd_usrp_source_0.set_center_freq(centre_freq, 0)
self.uhd_usrp_source_0.set_gain(gain, 0)
self.uhd_usrp_source_0.set_bandwidth(bandwidth, 0)
self.show_text_0 = display.show_text()
self._show_text_0_win = sip.wrapinstance(self.show_text_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._show_text_0_win)
self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
2048, #size
bitrate, #samp_rate
"", #name
1 #number of inputs
)
self.qtgui_time_sink_x_0.set_update_time(0.10)
self.qtgui_time_sink_x_0.set_y_axis(-128, 128)
self.qtgui_time_sink_x_0.set_y_label("Amplitude", "")
self.qtgui_time_sink_x_0.enable_tags(-1, True)
self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "")
self.qtgui_time_sink_x_0.enable_autoscale(False)
self.qtgui_time_sink_x_0.enable_grid(False)
self.qtgui_time_sink_x_0.enable_axis_labels(True)
self.qtgui_time_sink_x_0.enable_control_panel(False)
if not True:
self.qtgui_time_sink_x_0.disable_legend()
labels = ["", "", "", "", "",
"", "", "", "", ""]
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ["blue", "red", "green", "black", "cyan",
"magenta", "yellow", "dark red", "dark green", "blue"]
styles = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1,
-1, -1, -1, -1, -1]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_time_sink_x_0.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_time_sink_x_0_win)
self.fosphor_qt_sink_c_0 = fosphor.qt_sink_c()
self.fosphor_qt_sink_c_0.set_fft_window(window.WIN_BLACKMAN_hARRIS)
self.fosphor_qt_sink_c_0.set_frequency_range(0, samp_rate)
self._fosphor_qt_sink_c_0_win = sip.wrapinstance(self.fosphor_qt_sink_c_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._fosphor_qt_sink_c_0_win)
self.fec_extended_decoder_0 = fec.extended_decoder(decoder_obj_list=dec_cc, threading= None, ann=None, puncpat=puncpat, integration_period=10000)
self.digital_map_bb_0 = digital.map_bb(([-1, 1]))
self.digital_gmsk_demod_0 = digital.gmsk_demod(
samples_per_symbol=samples_per_symbol,
gain_mu=0.175,
mu=0.5,
omega_relative_limit=0.005,
freq_error=0.0,
verbose=False,
log=False,
)
self.ccsds_asm_deframer_0 = ccsds.asm_deframer(0,1,False,16)
self.blocks_unpacked_to_packed_xx_0 = blocks.unpacked_to_packed_bb(1, gr.GR_MSB_FIRST)
self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_char*1, "/home/gs-laptop1/GroundStation/GroundStation/GNURadio/Test Files/Simple GMSK Receive/out.bin", False)
self.blocks_file_sink_0.set_unbuffered(False)
self.blocks_char_to_float_0_0 = blocks.char_to_float(1, 1)
self.blocks_char_to_float_0 = blocks.char_to_float(1, 1)
self.analog_pwr_squelch_xx_0 = analog.pwr_squelch_cc(-40, 1e-4, 0, True)
self.ais_invert_0 = ais.invert()
##################################################
# Connections
##################################################
self.connect((self.ais_invert_0, 0), (self.digital_map_bb_0, 0))
self.connect((self.analog_pwr_squelch_xx_0, 0), (self.digital_gmsk_demod_0, 0))
self.connect((self.blocks_char_to_float_0, 0), (self.qtgui_time_sink_x_0, 0))
self.connect((self.blocks_char_to_float_0_0, 0), (self.fec_extended_decoder_0, 0))
self.connect((self.blocks_unpacked_to_packed_xx_0, 0), (self.blocks_char_to_float_0, 0))
self.connect((self.blocks_unpacked_to_packed_xx_0, 0), (self.blocks_file_sink_0, 0))
self.connect((self.ccsds_asm_deframer_0, 0), (self.show_text_0, 0))
self.connect((self.digital_gmsk_demod_0, 0), (self.ais_invert_0, 0))
self.connect((self.digital_map_bb_0, 0), (self.blocks_char_to_float_0_0, 0))
self.connect((self.fec_extended_decoder_0, 0), (self.blocks_unpacked_to_packed_xx_0, 0))
self.connect((self.fec_extended_decoder_0, 0), (self.ccsds_asm_deframer_0, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.analog_pwr_squelch_xx_0, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.fosphor_qt_sink_c_0, 0))
def __init__(self):
gr.top_block.__init__(self, "AM")
Qt.QWidget.__init__(self)
self.setWindowTitle("AM")
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", "am")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.radio_freq = radio_freq = 100
self.volume = volume = 5
self.squelch = squelch = -30
self.samp_rate = samp_rate = 240e4
self.rf_gain = rf_gain = 10
self.freq = freq = radio_freq * 1000000
##################################################
# Blocks
##################################################
self._volume_range = Range(0, 10, 1, 5, 200)
self._volume_win = RangeWidget(self._volume_range, self.set_volume, "Volume", "counter_slider", float)
self.top_layout.addWidget(self._volume_win)
self._squelch_range = Range(-70, 0, 10, -30, 200)
self._squelch_win = RangeWidget(self._squelch_range, self.set_squelch, "Squelch", "counter_slider", int)
self.top_layout.addWidget(self._squelch_win)
self._rf_gain_range = Range(0, 50, 1, 10, 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.rtlsdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + "" )
self.rtlsdr_source_0.set_sample_rate(samp_rate)
self.rtlsdr_source_0.set_center_freq(freq, 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(rf_gain, 0)
self.rtlsdr_source_0.set_if_gain(20, 0)
self.rtlsdr_source_0.set_bb_gain(20, 0)
self.rtlsdr_source_0.set_antenna("", 0)
self.rtlsdr_source_0.set_bandwidth(0, 0)
self.rational_resampler_xxx_1 = filter.rational_resampler_ccc(
interpolation=2,
decimation=75,
taps=None,
fractional_bw=None,
)
self.rational_resampler_xxx_0 = filter.rational_resampler_fff(
interpolation=3,
decimation=4,
taps=None,
fractional_bw=None,
)
self._radio_freq_tool_bar = Qt.QToolBar(self)
self._radio_freq_tool_bar.addWidget(Qt.QLabel("Frequency (MHz)"+": "))
self._radio_freq_line_edit = Qt.QLineEdit(str(self.radio_freq))
self._radio_freq_tool_bar.addWidget(self._radio_freq_line_edit)
self._radio_freq_line_edit.returnPressed.connect(
lambda: self.set_radio_freq(eng_notation.str_to_num(str(self._radio_freq_line_edit.text().toAscii()))))
self.top_layout.addWidget(self._radio_freq_tool_bar)
self.qtgui_waterfall_sink_x_0 = qtgui.waterfall_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
freq, #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 == type(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
freq, #fc
samp_rate, #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_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "")
self.qtgui_freq_sink_x_0.enable_autoscale(False)
self.qtgui_freq_sink_x_0.enable_grid(False)
self.qtgui_freq_sink_x_0.set_fft_average(1.0)
self.qtgui_freq_sink_x_0.enable_control_panel(False)
if not True:
self.qtgui_freq_sink_x_0.disable_legend()
if complex == type(float()):
self.qtgui_freq_sink_x_0.set_plot_pos_half(not True)
labels = ["", "", "", "", "",
"", "", "", "", ""]
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ["blue", "red", "green", "black", "cyan",
"magenta", "yellow", "dark red", "dark green", "dark blue"]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_freq_sink_x_0.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_0.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_0.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_0.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_freq_sink_x_0_win)
self.low_pass_filter_0 = filter.fir_filter_ccf(1, firdes.low_pass(
1, 64000, 5000, 100, firdes.WIN_HAMMING, 6.76))
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((volume, ))
self.blocks_complex_to_mag_0 = blocks.complex_to_mag(1)
self.audio_sink_0 = audio.sink(48000, "", True)
self.analog_pwr_squelch_xx_0 = analog.pwr_squelch_cc(squelch, 1e-4, 0, True)
self.analog_agc2_xx_0 = analog.agc2_ff(6.25e-4, 1e-5, .2, 1.0)
self.analog_agc2_xx_0.set_max_gain(65536)
##################################################
# Connections
##################################################
self.connect((self.analog_agc2_xx_0, 0), (self.rational_resampler_xxx_0, 0))
self.connect((self.analog_pwr_squelch_xx_0, 0), (self.rational_resampler_xxx_1, 0))
self.connect((self.blocks_complex_to_mag_0, 0), (self.analog_agc2_xx_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.audio_sink_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.blocks_complex_to_mag_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self.rational_resampler_xxx_1, 0), (self.low_pass_filter_0, 0))
self.connect((self.rtlsdr_source_0, 0), (self.analog_pwr_squelch_xx_0, 0))
self.connect((self.rtlsdr_source_0, 0), (self.qtgui_freq_sink_x_0, 0))
self.connect((self.rtlsdr_source_0, 0), (self.qtgui_waterfall_sink_x_0, 0))
def __init__(self, FH_seq):
#gr.top_block.__init__(self, "Test2")
grc_wxgui.top_block_gui.__init__(self, title="Follow_with_single_usrp")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Variables
##################################################
self.sql_on = sql_on = 0
self.samp_rate = samp_rate = 2e6
self.curr_chann_idx = 0
self.FH_seq = FH_seq
self.inception = 0
self.loop_bw_carriertracking = math.pi / 200.0
self.maxf_carriertracking = 0.5
self.minf_carriertracking = -0.5
##################################################
# Blocks
##################################################
self.wxgui_scopesink2_0 = scopesink2.scope_sink_c(
self.GetWin(),
title="Scope Plot",
sample_rate=samp_rate,
v_scale=0,
v_offset=0,
t_scale=0,
ac_couple=False,
xy_mode=False,
num_inputs=1,
trig_mode=wxgui.TRIG_MODE_AUTO,
y_axis_label="Counts",
)
self.Add(self.wxgui_scopesink2_0.win)
self.pll_carriertracker = analog.pll_carriertracking_cc(
self.loop_bw_carriertracking, self.maxf_carriertracking,
self.minf_carriertracking)
self.analog_pwr_squelch_xx_1 = analog.pwr_squelch_cc(-25, 1, 25, False)
self.uhd_usrp_source_0 = uhd.usrp_source(
device_addr="addr=192.168.10.2",
stream_args=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(2.43064e9, 0)
self.uhd_usrp_source_0.set_gain(0, 0)
self.uhd_usrp_source_0.set_antenna("RX2", 0)
def _sql_on_probe():
while True:
val = self.analog_pwr_squelch_xx_1.unmuted()
try:
self.set_sql_on(val)
except AttributeError, e:
pass
time.sleep((0.001))
def __init__(self, antenna="TX/RX", vor_freq_1=111e6, com_freq_1=135.275e6, vor_freq_2=111e6, rx_gain=30, gain=20):
grc_wxgui.top_block_gui.__init__(self, title="Top Block")
##################################################
# Parameters
##################################################
self.antenna = antenna
self.vor_freq_1 = vor_freq_1
self.com_freq_1 = com_freq_1
self.vor_freq_2 = vor_freq_2
self.rx_gain = rx_gain
self.gain = gain
##################################################
# Variables
##################################################
self.obs_decimation = obs_decimation = 25
self.ils_decimation = ils_decimation = 50
self.am_sample_rate = am_sample_rate = 12.5e3
self.vor_samp_rate = vor_samp_rate = 250e3
self.vor_freq_entry_2 = vor_freq_entry_2 = vor_freq_2
self.vor_freq_entry_1 = vor_freq_entry_1 = vor_freq_1
self.vor_center_freq_0 = vor_center_freq_0 = (117.95e6-108.00e6)/2+117.95e6
self.vor_center_freq = vor_center_freq = (117.95e6-108.00e6)/2+117.95e6
self.squelch_slider = squelch_slider = -110
self.rxgain = rxgain = 15
self.phase_correction = phase_correction = 5
self.obs_sample_rate = obs_sample_rate = am_sample_rate/obs_decimation
self.ils_sample_rate = ils_sample_rate = am_sample_rate/ils_decimation
self.gain_slider = gain_slider = gain
self.com_freq_entry_1 = com_freq_entry_1 = com_freq_1
self.band_center_freq = band_center_freq = (136.975e6-108.0e6)/2+108.0e6
self.audio_select = audio_select = 0
self.audio_sample_rate = audio_sample_rate = 48e3
self.am_decimation = am_decimation = 1
##################################################
# Blocks
##################################################
self.notebook_0 = self.notebook_0 = wx.Notebook(self.GetWin(), style=wx.NB_TOP)
self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "RF Analyzer")
self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "Channel FFT")
self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "Demod Audio FFT")
self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "Ref and Phase Scope")
self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "Manipulated Ref and Phase")
self.Add(self.notebook_0)
self._vor_freq_entry_1_text_box = forms.text_box(
parent=self.notebook_0.GetPage(0).GetWin(),
value=self.vor_freq_entry_1,
callback=self.set_vor_freq_entry_1,
label='vor_freq_entry_1',
converter=forms.float_converter(),
)
self.notebook_0.GetPage(0).Add(self._vor_freq_entry_1_text_box)
_gain_slider_sizer = wx.BoxSizer(wx.VERTICAL)
self._gain_slider_text_box = forms.text_box(
parent=self.notebook_0.GetPage(0).GetWin(),
sizer=_gain_slider_sizer,
value=self.gain_slider,
callback=self.set_gain_slider,
label='gain_slider',
converter=forms.float_converter(),
proportion=0,
)
self._gain_slider_slider = forms.slider(
parent=self.notebook_0.GetPage(0).GetWin(),
sizer=_gain_slider_sizer,
value=self.gain_slider,
callback=self.set_gain_slider,
minimum=0,
maximum=30,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.notebook_0.GetPage(0).Add(_gain_slider_sizer)
self._com_freq_entry_1_text_box = forms.text_box(
parent=self.notebook_0.GetPage(0).GetWin(),
value=self.com_freq_entry_1,
callback=self.set_com_freq_entry_1,
label='com_freq_entry_1',
converter=forms.float_converter(),
)
self.notebook_0.GetPage(0).Add(self._com_freq_entry_1_text_box)
self.wxgui_scopesink2_0 = scopesink2.scope_sink_f(
self.notebook_0.GetPage(1).GetWin(),
title="Scope Plot",
sample_rate=10e3,
v_scale=0,
v_offset=0,
t_scale=0,
ac_couple=False,
xy_mode=False,
num_inputs=2,
trig_mode=wxgui.TRIG_MODE_AUTO,
y_axis_label="Counts",
)
self.notebook_0.GetPage(1).Add(self.wxgui_scopesink2_0.win)
self.wxgui_numbersink2_0 = numbersink2.number_sink_f(
self.GetWin(),
unit="Units",
minval=-100,
maxval=100,
factor=1.0,
decimal_places=10,
ref_level=0,
sample_rate=10,
number_rate=15,
average=False,
avg_alpha=None,
label="Number Plot",
peak_hold=False,
show_gauge=True,
)
self.Add(self.wxgui_numbersink2_0.win)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.notebook_0.GetPage(0).GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=12.5e3,
fft_size=1024,
fft_rate=5,
average=False,
avg_alpha=None,
title="FFT Plot",
peak_hold=False,
)
self.notebook_0.GetPage(0).Add(self.wxgui_fftsink2_0.win)
self._vor_freq_entry_2_text_box = forms.text_box(
parent=self.notebook_0.GetPage(0).GetWin(),
value=self.vor_freq_entry_2,
callback=self.set_vor_freq_entry_2,
label='vor_freq_entry_2',
converter=forms.float_converter(),
)
self.notebook_0.GetPage(0).Add(self._vor_freq_entry_2_text_box)
self.uhd_usrp_source_0 = uhd.usrp_source(
device_addr="",
stream_args=uhd.stream_args(
cpu_format="fc32",
channels=range(2),
),
)
self.uhd_usrp_source_0.set_subdev_spec("A:0 A:0", 0)
self.uhd_usrp_source_0.set_samp_rate(vor_samp_rate)
self.uhd_usrp_source_0.set_center_freq(uhd.tune_request(com_freq_entry_1,rf_freq=band_center_freq, rf_freq_policy=uhd.tune_request.POLICY_MANUAL), 0)
self.uhd_usrp_source_0.set_gain(gain_slider, 0)
self.uhd_usrp_source_0.set_antenna("TX/RX", 0)
self.uhd_usrp_source_0.set_center_freq(uhd.tune_request(vor_freq_entry_1, rf_freq=band_center_freq, rf_freq_policy=uhd.tune_request.POLICY_MANUAL), 1)
self.uhd_usrp_source_0.set_gain(gain_slider, 1)
self.uhd_usrp_source_0.set_antenna("TX/RX", 1)
self.uhd_usrp_sink_0 = uhd.usrp_sink(
device_addr="",
stream_args=uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_sink_0.set_samp_rate(250e3)
self.uhd_usrp_sink_0.set_center_freq(uhd.tune_request(com_freq_entry_1,20e6), 0)
self.uhd_usrp_sink_0.set_gain(15, 0)
self.uhd_usrp_sink_0.set_antenna("TX/RX", 0)
_squelch_slider_sizer = wx.BoxSizer(wx.VERTICAL)
self._squelch_slider_text_box = forms.text_box(
parent=self.notebook_0.GetPage(0).GetWin(),
sizer=_squelch_slider_sizer,
value=self.squelch_slider,
callback=self.set_squelch_slider,
label='squelch_slider',
converter=forms.float_converter(),
proportion=0,
)
self._squelch_slider_slider = forms.slider(
parent=self.notebook_0.GetPage(0).GetWin(),
sizer=_squelch_slider_sizer,
value=self.squelch_slider,
callback=self.set_squelch_slider,
minimum=-110,
maximum=0,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.notebook_0.GetPage(0).Add(_squelch_slider_sizer)
self.squelch = analog.pwr_squelch_cc(squelch_slider, 0.01, 20, True)
self.rational_resampler_xxx_2 = filter.rational_resampler_fff(
interpolation=250,
decimation=48,
taps=None,
fractional_bw=None,
)
self.rational_resampler_xxx_1 = filter.rational_resampler_fff(
interpolation=480,
decimation=125,
taps=None,
fractional_bw=None,
)
self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=4,
decimation=5,
taps=None,
fractional_bw=None,
)
self.openavionics_joystick_interface_0 = openavionics.joystick_interface()
self.openavionics_audio_ptt_0 = openavionics.audio_ptt()
self.null_sink_0_0_0 = blocks.null_sink(gr.sizeof_gr_complex*1)
self.null_sink_0_0 = blocks.null_sink(gr.sizeof_gr_complex*1)
self.multiply_xx_0_0_0 = blocks.multiply_vcc(1)
self.multiply_xx_0_0 = blocks.multiply_vff(1)
self.low_pass_filter_3 = filter.fir_filter_ccf(1, firdes.low_pass(
1, 10e3, 1, 2, firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_2_0_0 = filter.fir_filter_ccf(5, firdes.low_pass(
1, 40e3, 2e3, 1e3, firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_2_0 = filter.fir_filter_ccf(5, firdes.low_pass(
1, 40e3, 2e3, 1e3, firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_2 = filter.fir_filter_ccf(5, firdes.low_pass(
1, vor_samp_rate, 15e3, 5e3, firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_1 = filter.interp_fir_filter_fff(1, firdes.low_pass(
1, 12.5e3, 3e3, 1e3, firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_0 = filter.fir_filter_ccf(int(250e3/12.5e3), firdes.low_pass(
1, vor_samp_rate, 10e3, 1e3, firdes.WIN_HAMMING, 6.76))
self.goertzel_fc_0_0 = fft.goertzel_fc(10000, 1000, 30)
self.goertzel_fc_0 = fft.goertzel_fc(40000, 4000, 30)
self.float_to_complex_0_0 = blocks.float_to_complex(1)
self.const_source_x_0_0_0 = analog.sig_source_c(0, analog.GR_CONST_WAVE, 0, 0, 0.450)
self.const_source_x_0_0 = analog.sig_source_f(0, analog.GR_CONST_WAVE, 0, 0, 0.550)
self.const_source_x_0 = analog.sig_source_f(0, analog.GR_CONST_WAVE, 0, 0, 0.450)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_multiply_conjugate_cc_0 = blocks.multiply_conjugate_cc(1)
self.blocks_complex_to_arg_0 = blocks.complex_to_arg(1)
self.blocks_add_const_vxx_0 = blocks.add_const_vff((-87.2665e-3, ))
self.band_pass_filter_0_0 = filter.fir_filter_fff(4, firdes.band_pass(
1, 40e3, 20, 40, 20, firdes.WIN_HAMMING, 6.76))
self.band_pass_filter_0 = filter.fir_filter_fff(1, firdes.band_pass(
1, 10e3, 20, 40, 20, firdes.WIN_HAMMING, 6.76))
self.audio_source_0 = audio.source(48000, "", True)
self.audio_sink_0 = audio.sink(int(audio_sample_rate), "", True)
self._audio_select_chooser = forms.drop_down(
parent=self.GetWin(),
value=self.audio_select,
callback=self.set_audio_select,
label='audio_select',
choices=[0, 1],
labels=['AM Voice','VOR Subcarrier'],
)
self.Add(self._audio_select_chooser)
self.analog_sig_source_x_0 = analog.sig_source_c(40e3, analog.GR_COS_WAVE, -9.96e3, 1, 0)
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(1)
self.analog_am_demod_cf_0 = analog.am_demod_cf(
channel_rate=40e3,
audio_decim=4,
audio_pass=5000,
audio_stop=5500,
)
self.analog_agc2_xx_0_1_0 = analog.agc2_ff(1e-1, 1e-2, 1.0, 1.0)
self.analog_agc2_xx_0_1_0.set_max_gain(100)
self.analog_agc2_xx_0_1 = analog.agc2_ff(1e-1, 1e-2, 1.0, 1.0)
self.analog_agc2_xx_0_1.set_max_gain(100)
self.analog_agc2_xx_0_0 = analog.agc2_cc(1e-1, 1e-2, 1.0, 1.0)
self.analog_agc2_xx_0_0.set_max_gain(100)
self.analog_agc2_xx_0 = analog.agc2_cc(1e-1, 1e-2, 1.0, 1.0)
self.analog_agc2_xx_0.set_max_gain(100)
self.am_demod_cf_0 = analog.am_demod_cf(
channel_rate=am_sample_rate,
audio_decim=am_decimation,
audio_pass=3e3,
audio_stop=4e3,
)
self.agc2_xx_0 = analog.agc2_cc(1, 1, 0.75, 1.0)
self.agc2_xx_0.set_max_gain(0.0)
self.add_xx_0_0 = blocks.add_vff(1)
##################################################
# Connections
##################################################
self.connect((self.agc2_xx_0, 0), (self.am_demod_cf_0, 0))
self.connect((self.am_demod_cf_0, 0), (self.low_pass_filter_1, 0))
self.connect((self.agc2_xx_0, 0), (self.wxgui_fftsink2_0, 0))
self.connect((self.multiply_xx_0_0, 0), (self.add_xx_0_0, 0))
self.connect((self.const_source_x_0, 0), (self.multiply_xx_0_0, 1))
self.connect((self.const_source_x_0_0, 0), (self.add_xx_0_0, 1))
self.connect((self.multiply_xx_0_0_0, 0), (self.uhd_usrp_sink_0, 0))
self.connect((self.add_xx_0_0, 0), (self.float_to_complex_0_0, 0))
self.connect((self.add_xx_0_0, 0), (self.float_to_complex_0_0, 1))
self.connect((self.float_to_complex_0_0, 0), (self.multiply_xx_0_0_0, 0))
self.connect((self.const_source_x_0_0_0, 0), (self.multiply_xx_0_0_0, 1))
self.connect((self.uhd_usrp_source_0, 0), (self.null_sink_0_0_0, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.low_pass_filter_0, 0))
self.connect((self.low_pass_filter_1, 0), (self.rational_resampler_xxx_1, 0))
self.connect((self.rational_resampler_xxx_1, 0), (self.audio_sink_0, 0))
self.connect((self.analog_agc2_xx_0_1_0, 0), (self.wxgui_scopesink2_0, 1))
self.connect((self.analog_agc2_xx_0_1, 0), (self.wxgui_scopesink2_0, 0))
self.connect((self.band_pass_filter_0, 0), (self.analog_agc2_xx_0_1, 0))
self.connect((self.band_pass_filter_0_0, 0), (self.analog_agc2_xx_0_1_0, 0))
self.connect((self.analog_quadrature_demod_cf_0, 0), (self.band_pass_filter_0_0, 0))
self.connect((self.analog_quadrature_demod_cf_0, 0), (self.goertzel_fc_0, 0))
self.connect((self.analog_am_demod_cf_0, 0), (self.band_pass_filter_0, 0))
self.connect((self.blocks_add_const_vxx_0, 0), (self.wxgui_numbersink2_0, 0))
self.connect((self.blocks_complex_to_arg_0, 0), (self.blocks_add_const_vxx_0, 0))
self.connect((self.low_pass_filter_3, 0), (self.blocks_complex_to_arg_0, 0))
self.connect((self.blocks_multiply_conjugate_cc_0, 0), (self.low_pass_filter_3, 0))
self.connect((self.analog_agc2_xx_0, 0), (self.blocks_multiply_conjugate_cc_0, 1))
self.connect((self.analog_agc2_xx_0_0, 0), (self.blocks_multiply_conjugate_cc_0, 0))
self.connect((self.goertzel_fc_0_0, 0), (self.analog_agc2_xx_0_0, 0))
self.connect((self.analog_am_demod_cf_0, 0), (self.goertzel_fc_0_0, 0))
self.connect((self.goertzel_fc_0, 0), (self.analog_agc2_xx_0, 0))
self.connect((self.low_pass_filter_2_0_0, 0), (self.analog_am_demod_cf_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.low_pass_filter_2_0_0, 0))
self.connect((self.low_pass_filter_2_0, 0), (self.analog_quadrature_demod_cf_0, 0))
self.connect((self.analog_sig_source_x_0, 0), (self.blocks_multiply_xx_0, 1))
self.connect((self.blocks_multiply_xx_0, 0), (self.low_pass_filter_2_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.blocks_multiply_xx_0, 0))
self.connect((self.uhd_usrp_source_0, 1), (self.null_sink_0_0, 0))
self.connect((self.low_pass_filter_2, 0), (self.rational_resampler_xxx_0, 0))
self.connect((self.audio_source_0, 0), (self.openavionics_audio_ptt_0, 0))
self.connect((self.openavionics_audio_ptt_0, 0), (self.rational_resampler_xxx_2, 0))
self.connect((self.rational_resampler_xxx_2, 0), (self.multiply_xx_0_0, 0))
self.connect((self.squelch, 0), (self.agc2_xx_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.squelch, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.low_pass_filter_2, 0))
##################################################
# Asynch Message Connections
##################################################
self.msg_connect(self.openavionics_joystick_interface_0, "out", self.openavionics_audio_ptt_0, "in2")
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="air band receiver")
_icon_path = "C:\Program Files\GNURadio-3.7\share\icons\hicolor\scalable/apps\gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Variables
##################################################
self.volume = volume = 1
self.sql = sql = 0
self.samp_rate = samp_rate = 2.4e6
self.rfgain = rfgain = 50
self.frq_corr = frq_corr = 30
self.base_freq = base_freq = 120.5e6
##################################################
# Blocks
##################################################
_volume_sizer = wx.BoxSizer(wx.VERTICAL)
self._volume_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_volume_sizer,
value=self.volume,
callback=self.set_volume,
label='Volume',
converter=forms.float_converter(),
proportion=0,
)
self._volume_slider = forms.slider(
parent=self.GetWin(),
sizer=_volume_sizer,
value=self.volume,
callback=self.set_volume,
minimum=0,
maximum=1,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_volume_sizer)
_sql_sizer = wx.BoxSizer(wx.VERTICAL)
self._sql_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_sql_sizer,
value=self.sql,
callback=self.set_sql,
label='Squelch',
converter=forms.float_converter(),
proportion=0,
)
self._sql_slider = forms.slider(
parent=self.GetWin(),
sizer=_sql_sizer,
value=self.sql,
callback=self.set_sql,
minimum=-100,
maximum=100,
num_steps=1000,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_sql_sizer)
_rfgain_sizer = wx.BoxSizer(wx.VERTICAL)
self._rfgain_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_rfgain_sizer,
value=self.rfgain,
callback=self.set_rfgain,
label='RF_Gain',
converter=forms.float_converter(),
proportion=0,
)
self._rfgain_slider = forms.slider(
parent=self.GetWin(),
sizer=_rfgain_sizer,
value=self.rfgain,
callback=self.set_rfgain,
minimum=0,
maximum=50,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_rfgain_sizer)
_frq_corr_sizer = wx.BoxSizer(wx.VERTICAL)
self._frq_corr_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_frq_corr_sizer,
value=self.frq_corr,
callback=self.set_frq_corr,
label='freq_correction(ppm)',
converter=forms.float_converter(),
proportion=0,
)
self._frq_corr_slider = forms.slider(
parent=self.GetWin(),
sizer=_frq_corr_sizer,
value=self.frq_corr,
callback=self.set_frq_corr,
minimum=-127,
maximum=127,
num_steps=254,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_frq_corr_sizer)
self.wxgui_fftsink2_0_0_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 / 50,
fft_size=512,
fft_rate=5,
average=False,
avg_alpha=None,
title='FFT Plot',
peak_hold=False,
)
self.Add(self.wxgui_fftsink2_0_0_0.win)
self.osmosdr_source_0 = osmosdr.source(args="numchan=" + str(1) + " " +
'rtl_tcp=192.168.10.109:1235')
self.osmosdr_source_0.set_sample_rate(samp_rate)
self.osmosdr_source_0.set_center_freq(base_freq, 0)
self.osmosdr_source_0.set_freq_corr(frq_corr, 0)
self.osmosdr_source_0.set_dc_offset_mode(2, 0)
self.osmosdr_source_0.set_iq_balance_mode(2, 0)
self.osmosdr_source_0.set_gain_mode(True, 0)
self.osmosdr_source_0.set_gain(rfgain, 0)
self.osmosdr_source_0.set_if_gain(0, 0)
self.osmosdr_source_0.set_bb_gain(0, 0)
self.osmosdr_source_0.set_antenna('RX', 0)
self.osmosdr_source_0.set_bandwidth(0, 0)
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(
50, (firdes.low_pass_2(1, samp_rate, 25e3, 10e3, 40)), 0,
samp_rate)
self.blocks_udp_sink_0 = blocks.udp_sink(gr.sizeof_short * 1,
'192.168.10.30', 8082, 1472,
True)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff(
(volume, ))
self.blocks_float_to_short_0 = blocks.float_to_short(1, 32767)
self.audio_sink_0 = audio.sink(48000, '', True)
self.analog_pwr_squelch_xx_0 = analog.pwr_squelch_cc(
sql, 1e-4, 0, False)
self.analog_am_demod_cf_0 = analog.am_demod_cf(
channel_rate=48e3,
audio_decim=1,
audio_pass=5000,
audio_stop=5500,
)
self.analog_agc2_xx_0 = analog.agc2_cc(1e-3, 1e-5, 1.0, 0)
self.analog_agc2_xx_0.set_max_gain(5)
##################################################
# Connections
##################################################
self.connect((self.analog_agc2_xx_0, 0),
(self.analog_pwr_squelch_xx_0, 0))
self.connect((self.analog_agc2_xx_0, 0),
(self.wxgui_fftsink2_0_0_0, 0))
self.connect((self.analog_am_demod_cf_0, 0),
(self.blocks_float_to_short_0, 0))
self.connect((self.analog_am_demod_cf_0, 0),
(self.blocks_multiply_const_vxx_0, 0))
self.connect((self.analog_pwr_squelch_xx_0, 0),
(self.analog_am_demod_cf_0, 0))
self.connect((self.blocks_float_to_short_0, 0),
(self.blocks_udp_sink_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_agc2_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="air band receiver")
##################################################
# Variables
##################################################
self.sql = sql = option.squelch
self.samp_rate = samp_rate = 2.4e6
self.rfgain = rfgain = option.gain
self.frq_corr = frq_corr = option.correct
self.device_arg = device_arg = "rtl_tcp={0}:{1}".format(option.host, option.port)
self.base_freq = base_freq = option.freq
##################################################
# Blocks
##################################################
self.osmosdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + device_arg )
self.osmosdr_source_0.set_sample_rate(samp_rate)
self.osmosdr_source_0.set_center_freq(base_freq, 0)
self.osmosdr_source_0.set_freq_corr(frq_corr, 0)
self.osmosdr_source_0.set_dc_offset_mode(2, 0)
self.osmosdr_source_0.set_iq_balance_mode(2, 0)
self.osmosdr_source_0.set_gain_mode(True, 0)
self.osmosdr_source_0.set_gain(rfgain, 0)
self.osmosdr_source_0.set_if_gain(0, 0)
self.osmosdr_source_0.set_bb_gain(0, 0)
self.osmosdr_source_0.set_antenna('RX', 0)
self.osmosdr_source_0.set_bandwidth(0, 0)
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(50, (firdes.low_pass_2(1,samp_rate,25e3,10e3,40)), 0, samp_rate)
self.blocks_udp_sink_0 = blocks.udp_sink(gr.sizeof_short*1, option.desthost, option.destport, 1472, True)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((0.5, ))
self.blocks_float_to_short_0 = blocks.float_to_short(1, 32767)
self.audio_sink_0 = audio.sink(48000, '', True)
self.analog_pwr_squelch_xx_0 = analog.pwr_squelch_cc(sql, 1e-4, 0, False)
self.analog_am_demod_cf_0 = analog.am_demod_cf(
channel_rate=48e3,
audio_decim=1,
audio_pass=5000,
audio_stop=5500,
)
self.analog_agc2_xx_0 = analog.agc2_cc(1e-3, 1e-5, 1.0, 0)
self.analog_agc2_xx_0.set_max_gain(5)
# dc_blocker not use
# self.dc_blocker_xx_0 = filter.dc_blocker_ff(32,True)
##################################################
# Connections
##################################################
self.connect((self.analog_agc2_xx_0, 0), (self.analog_pwr_squelch_xx_0, 0))
self.connect((self.analog_pwr_squelch_xx_0, 0), (self.analog_am_demod_cf_0, 0))
self.connect((self.blocks_float_to_short_0, 0), (self.blocks_udp_sink_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.audio_sink_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.analog_agc2_xx_0, 0))
self.connect((self.osmosdr_source_0, 0), (self.blocks_throttle_0, 0))
# bypass dc blocker
# self.connect((self.analog_am_demod_cf_0, 0), (self.dc_blocker_xx_0, 0))
# self.connect((self.dc_blocker_xx_0, 0), (self.blocks_float_to_short_0, 0))
# self.connect((self.dc_blocker_xx_0, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self.analog_am_demod_cf_0, 0), (self.blocks_float_to_short_0, 0))
self.connect((self.analog_am_demod_cf_0, 0), (self.blocks_multiply_const_vxx_0, 0))
def __init__(self, sample_rate, freq_offset, sys_id, chan, group_id, save_dir):
gr.hier_block2.__init__(
self,
"SmartZone Audio Channel",
gr.io_signature(1, 1, gr.sizeof_gr_complex), # input signature
gr.io_signature(0, 0, 0), # output signature
)
# audio constants
self._audio_sample_rate = 8000
self._audio_passband = 3.6e3
self._audio_stopband = 4e3
self._audio_gain = 1.0
# fm constants
self._deviation = 2.5e3
self._fm_passband = self._audio_stopband + self._deviation
self._fm_stopband = self._fm_passband + 8e3 # 3 * audio_bw
# fm channel values
desired_channel_rate = 40e3
channel_decimation = int(round(sample_rate / desired_channel_rate))
channel_rate = sample_rate / channel_decimation
# audio channel values
desired_audio_rate = 8e3
audio_decimation = int(round(channel_rate / desired_audio_rate))
audio_rate = channel_rate / audio_decimation
# translate desired fm audio frequency to baseband; decimate to channel rate
channel_taps = optfir.low_pass(1, sample_rate, self._fm_passband, self._fm_stopband, 0.1, 60)
channel_filter = filter.freq_xlating_fir_filter_ccf(
channel_decimation,
optfir.low_pass(1, sample_rate, self._fm_passband, self._fm_stopband, 0.1, 60),
freq_offset,
sample_rate,
)
# power squelch
squelch = analog.pwr_squelch_cc(-50, alpha=1, ramp=0, gate=True)
# fm demodulation
audio_demod = analog.fm_demod_cf(
channel_rate,
audio_decimation,
self._deviation,
self._audio_passband,
self._audio_stopband,
self._audio_gain,
75e-6,
)
# remove sub-audible data XXX demodulate
sa_filter = filter.fir_filter_fff(1, firdes.band_pass(1, audio_rate, 400, 3900, 100, filter.firdes.WIN_HANN))
# audio output
# ensure directory exists
create_directory(save_dir, sys_id)
# asink = audio.sink(audio_rate)
wavfile_sink = blocks.wavfile_sink(
"%s/%x/%s" % (save_dir, sys_id, audio_name(group_id, chan)), 1, int(round(audio_rate)), 8
)
self.connect(self, channel_filter, squelch, audio_demod, sa_filter, wavfile_sink)
def __init__(self):
grc_wxgui.top_block_gui.__init__(self)
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Variables
##################################################
self.base_freq = base_freq = 121250000
self.t = 0
self.volume_min = 0.001
self.volume = volume = self.volume_min
self.volume_max = 0.6
self.squelch = squelch = -26
self.samp_rate = samp_rate = 2400000
self.freq_corr = freq_corr = 31
self.freq = freq = base_freq
self.frq_choices = [
121250000, 121500000, 122200000, 123450000, 124175000, 124925000,
125450000, 130875000, 132700000, 134225000, 134925000, 136050000,
136575000, 169000000
]
# EPSD Port 122700000 EP Przelotowa 124500000 Air-To-Air 2 136975000
#self.frq_choices = [134225000]
self.frq_labels = [
'EPSC TWR', 'EP EMRG', 'EPSD Kwadrat', 'Air-To-Air',
'Mueritz EDWW Radar', 'B FIR Warszawa', 'EPWW Radar 2',
'EPWW Radar 3', 'EPWW Radar 4', 'D FIR Warszawa', 'EPWW Radar',
'Mark EDWW Radar', 'E FIR Warszawa', 'Lotnicze Pogotowie Ratunkowe'
]
#self.frq_labels = ['D FIR Warszawa']
self.j = 0
##################################################
# 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(freq, 0)
self.rtlsdr_source_0.set_freq_corr(freq_corr, 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(False, 0)
self.rtlsdr_source_0.set_gain(49.6, 0)
self.rtlsdr_source_0.set_if_gain(1, 0)
self.rtlsdr_source_0.set_bb_gain(1, 0)
self.rtlsdr_source_0.set_antenna("RX", 0)
self.rtlsdr_source_0.set_bandwidth(0, 0)
self.signal_probe = blocks.probe_signal_c()
#self.signal_probe = analog.probe_avg_mag_sqrd_c(0, 1)
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(
50, (firdes.low_pass_2(1, samp_rate, 25e3, 10e3, 40)), 0,
samp_rate)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff(
(volume, ))
self.audio_sink_0 = audio.sink(48000, "hw:0,1", True)
self.analog_pwr_squelch_xx_0 = analog.pwr_squelch_cc(
squelch, 0.1, 0, False)
self.analog_am_demod_cf_0 = analog.am_demod_cf(
channel_rate=48000,
audio_decim=1,
audio_pass=5000,
audio_stop=5500,
)
self.analog_agc2_xx_0 = analog.agc2_cc(1e-1, 0.1e-4, 1.0, 0)
self.analog_agc2_xx_0.set_max_gain(5)
##################################################
# Connections
##################################################
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.audio_sink_0, 0))
self.connect((self.rtlsdr_source_0, 0),
(self.freq_xlating_fir_filter_xxx_0, 0))
self.connect((self.analog_am_demod_cf_0, 0),
(self.blocks_multiply_const_vxx_0, 0))
self.connect((self.analog_agc2_xx_0, 0),
(self.analog_am_demod_cf_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0),
(self.analog_pwr_squelch_xx_0, 0))
self.connect((self.analog_pwr_squelch_xx_0, 0), (self.signal_probe, 0))
self.connect((self.analog_pwr_squelch_xx_0, 0),
(self.analog_agc2_xx_0, 0))
def build_blocks(self,config):
if not self.device_found:
return
self.error = False
fft_size = self.main.fft_size_control.get_value()
frame_rate = self.main.framerate_control.get_value()
average = self.main.average_control.get_value()
ssb_lo = self.ssb_lo
ssb_hi = self.ssb_hi
USB = self.mode == self.main.MODE_USB or self.mode == self.main.MODE_CW_USB
self.audio_dec_nrw = 1
self.dec_nrw, self.interp_nrw = self.compute_dec_interp(self.sample_rate,self.audio_rate)
self.audio_dec_wid = self.if_sample_rate / self.audio_rate
self.dec_wid, self.interp_wid = self.compute_dec_interp(self.sample_rate,self.if_sample_rate)
volume = .1
self.configure_source_controls()
self.create_update_freq_xlating_fir_filter()
self.analog_agc_cc = analog.agc2_cc(1e-1, 1e-2, 1.0, 1.0)
self.analog_agc_cc.set_max_gain(1)
self.analog_agc_ff = analog.agc2_ff(1e-1, 1e-2, 1.0, 1.0)
self.analog_agc_ff.set_max_gain(1)
self.rational_resampler_wid = filter.rational_resampler_ccc(
decimation=int(self.dec_wid),
interpolation=int(self.interp_wid),
taps=None,
fractional_bw=None,
)
self.rational_resampler_nrw = filter.rational_resampler_ccc(
decimation=int(self.dec_nrw),
interpolation=int(self.interp_nrw),
taps=None,
fractional_bw=None,
)
self.analog_pwr_squelch = analog.pwr_squelch_cc(self.squelch_level, 1e-4, 0, True)
self.analog_pwr_squelch_ssb = analog.pwr_squelch_ff(self.squelch_level, 1e-4, 0, True)
self.blocks_multiply = blocks.multiply_vcc(1)
self.blocks_complex_to_real = blocks.complex_to_real(1)
#self.rebuild_filters(config)
self.blocks_complex_to_mag_am = blocks.complex_to_mag(1)
self.analog_nbfm_rcv = analog.nbfm_rx(
audio_rate=self.audio_rate,
quad_rate=self.audio_rate,
tau=75e-6,
max_dev=6e3,
)
self.analog_wfm_rcv = analog.wfm_rcv(
quad_rate=self.if_sample_rate,
audio_decimation=self.audio_dec_wid,
)
self.hilbert_fc_2 = filter.hilbert_fc(self.hilbert_taps_ssb, firdes.WIN_HAMMING, 6.76)
self.hilbert_fc_1 = filter.hilbert_fc(self.hilbert_taps_ssb, firdes.WIN_HAMMING, 6.76)
self.blocks_multiply_ssb = blocks.multiply_vcc(1)
self.blocks_complex_to_float_ssb = blocks.complex_to_float(1)
self.create_usb_lsb_switch()
self.blocks_add = blocks.add_vff(1)
self.blocks_complex_to_real = blocks.complex_to_real(1)
self.blocks_complex_to_imag = blocks.complex_to_imag(1)
# this is the source for the FFT display's data
self.logpwrfft = logpwrfft.logpwrfft_c(
sample_rate=self.sample_rate,
fft_size=fft_size,
ref_scale=2,
frame_rate=frame_rate,
avg_alpha=average,
average=(average != 1),
)
# this is the main FFT display
self.fft_vector_sink = MyVectorSink(self.main,fft_size)
self.blocks_multiply_const_volume = blocks.multiply_const_vff((volume, ))
# only create this once
if self.audio_sink == None:
try:
self.audio_sink = audio.sink(self.audio_rate, config['audio_device'], True)
except Exception as e:
self.main.message_dialog("Audio Error","A problem has come up while accessing the audio system: %s" % e)
self.error = True
self.audio_sink = None
self.main.af_gain_control.set_value()
def __init__(self,
antenna="TX/RX",
vor_freq_1=111e6,
com_freq_1=135.275e6,
vor_freq_2=111e6,
rx_gain=30,
gain=20):
grc_wxgui.top_block_gui.__init__(self, title="Top Block")
##################################################
# Parameters
##################################################
self.antenna = antenna
self.vor_freq_1 = vor_freq_1
self.com_freq_1 = com_freq_1
self.vor_freq_2 = vor_freq_2
self.rx_gain = rx_gain
self.gain = gain
##################################################
# Variables
##################################################
self.obs_decimation = obs_decimation = 25
self.ils_decimation = ils_decimation = 50
self.am_sample_rate = am_sample_rate = 12.5e3
self.vor_samp_rate = vor_samp_rate = 250e3
self.vor_freq_entry_2 = vor_freq_entry_2 = vor_freq_2
self.vor_freq_entry_1 = vor_freq_entry_1 = vor_freq_1
self.vor_center_freq_0 = vor_center_freq_0 = (117.95e6 -
108.00e6) / 2 + 117.95e6
self.vor_center_freq = vor_center_freq = (117.95e6 -
108.00e6) / 2 + 117.95e6
self.squelch_slider = squelch_slider = -110
self.rxgain = rxgain = 15
self.phase_correction = phase_correction = 5
self.obs_sample_rate = obs_sample_rate = am_sample_rate / obs_decimation
self.ils_sample_rate = ils_sample_rate = am_sample_rate / ils_decimation
self.gain_slider = gain_slider = gain
self.com_freq_entry_1 = com_freq_entry_1 = com_freq_1
self.band_center_freq = band_center_freq = (136.975e6 -
108.0e6) / 2 + 108.0e6
self.audio_select = audio_select = 0
self.audio_sample_rate = audio_sample_rate = 48e3
self.am_decimation = am_decimation = 1
##################################################
# Blocks
##################################################
self.notebook_0 = self.notebook_0 = wx.Notebook(self.GetWin(),
style=wx.NB_TOP)
self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0),
"RF Analyzer")
self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0),
"Channel FFT")
self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0),
"Demod Audio FFT")
self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0),
"Ref and Phase Scope")
self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0),
"Manipulated Ref and Phase")
self.Add(self.notebook_0)
self._vor_freq_entry_1_text_box = forms.text_box(
parent=self.notebook_0.GetPage(0).GetWin(),
value=self.vor_freq_entry_1,
callback=self.set_vor_freq_entry_1,
label='vor_freq_entry_1',
converter=forms.float_converter(),
)
self.notebook_0.GetPage(0).Add(self._vor_freq_entry_1_text_box)
_gain_slider_sizer = wx.BoxSizer(wx.VERTICAL)
self._gain_slider_text_box = forms.text_box(
parent=self.notebook_0.GetPage(0).GetWin(),
sizer=_gain_slider_sizer,
value=self.gain_slider,
callback=self.set_gain_slider,
label='gain_slider',
converter=forms.float_converter(),
proportion=0,
)
self._gain_slider_slider = forms.slider(
parent=self.notebook_0.GetPage(0).GetWin(),
sizer=_gain_slider_sizer,
value=self.gain_slider,
callback=self.set_gain_slider,
minimum=0,
maximum=30,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.notebook_0.GetPage(0).Add(_gain_slider_sizer)
self._com_freq_entry_1_text_box = forms.text_box(
parent=self.notebook_0.GetPage(0).GetWin(),
value=self.com_freq_entry_1,
callback=self.set_com_freq_entry_1,
label='com_freq_entry_1',
converter=forms.float_converter(),
)
self.notebook_0.GetPage(0).Add(self._com_freq_entry_1_text_box)
self.wxgui_scopesink2_0 = scopesink2.scope_sink_f(
self.notebook_0.GetPage(1).GetWin(),
title="Scope Plot",
sample_rate=10e3,
v_scale=0,
v_offset=0,
t_scale=0,
ac_couple=False,
xy_mode=False,
num_inputs=2,
trig_mode=wxgui.TRIG_MODE_AUTO,
y_axis_label="Counts",
)
self.notebook_0.GetPage(1).Add(self.wxgui_scopesink2_0.win)
self.wxgui_numbersink2_0 = numbersink2.number_sink_f(
self.GetWin(),
unit="Units",
minval=-100,
maxval=100,
factor=1.0,
decimal_places=10,
ref_level=0,
sample_rate=10,
number_rate=15,
average=False,
avg_alpha=None,
label="Number Plot",
peak_hold=False,
show_gauge=True,
)
self.Add(self.wxgui_numbersink2_0.win)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.notebook_0.GetPage(0).GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=12.5e3,
fft_size=1024,
fft_rate=5,
average=False,
avg_alpha=None,
title="FFT Plot",
peak_hold=False,
)
self.notebook_0.GetPage(0).Add(self.wxgui_fftsink2_0.win)
self._vor_freq_entry_2_text_box = forms.text_box(
parent=self.notebook_0.GetPage(0).GetWin(),
value=self.vor_freq_entry_2,
callback=self.set_vor_freq_entry_2,
label='vor_freq_entry_2',
converter=forms.float_converter(),
)
self.notebook_0.GetPage(0).Add(self._vor_freq_entry_2_text_box)
self.uhd_usrp_source_0 = uhd.usrp_source(
device_addr="",
stream_args=uhd.stream_args(
cpu_format="fc32",
channels=range(2),
),
)
self.uhd_usrp_source_0.set_subdev_spec("A:0 A:0", 0)
self.uhd_usrp_source_0.set_samp_rate(vor_samp_rate)
self.uhd_usrp_source_0.set_center_freq(
uhd.tune_request(com_freq_entry_1,
rf_freq=band_center_freq,
rf_freq_policy=uhd.tune_request.POLICY_MANUAL), 0)
self.uhd_usrp_source_0.set_gain(gain_slider, 0)
self.uhd_usrp_source_0.set_antenna("TX/RX", 0)
self.uhd_usrp_source_0.set_center_freq(
uhd.tune_request(vor_freq_entry_1,
rf_freq=band_center_freq,
rf_freq_policy=uhd.tune_request.POLICY_MANUAL), 1)
self.uhd_usrp_source_0.set_gain(gain_slider, 1)
self.uhd_usrp_source_0.set_antenna("TX/RX", 1)
self.uhd_usrp_sink_0 = uhd.usrp_sink(
device_addr="",
stream_args=uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_sink_0.set_samp_rate(250e3)
self.uhd_usrp_sink_0.set_center_freq(
uhd.tune_request(com_freq_entry_1, 20e6), 0)
self.uhd_usrp_sink_0.set_gain(15, 0)
self.uhd_usrp_sink_0.set_antenna("TX/RX", 0)
_squelch_slider_sizer = wx.BoxSizer(wx.VERTICAL)
self._squelch_slider_text_box = forms.text_box(
parent=self.notebook_0.GetPage(0).GetWin(),
sizer=_squelch_slider_sizer,
value=self.squelch_slider,
callback=self.set_squelch_slider,
label='squelch_slider',
converter=forms.float_converter(),
proportion=0,
)
self._squelch_slider_slider = forms.slider(
parent=self.notebook_0.GetPage(0).GetWin(),
sizer=_squelch_slider_sizer,
value=self.squelch_slider,
callback=self.set_squelch_slider,
minimum=-110,
maximum=0,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.notebook_0.GetPage(0).Add(_squelch_slider_sizer)
self.squelch = analog.pwr_squelch_cc(squelch_slider, 0.01, 20, True)
self.rational_resampler_xxx_2 = filter.rational_resampler_fff(
interpolation=250,
decimation=48,
taps=None,
fractional_bw=None,
)
self.rational_resampler_xxx_1 = filter.rational_resampler_fff(
interpolation=480,
decimation=125,
taps=None,
fractional_bw=None,
)
self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=4,
decimation=5,
taps=None,
fractional_bw=None,
)
self.openavionics_joystick_interface_0 = openavionics.joystick_interface(
)
self.openavionics_audio_ptt_0 = openavionics.audio_ptt()
self.null_sink_0_0_0 = blocks.null_sink(gr.sizeof_gr_complex * 1)
self.null_sink_0_0 = blocks.null_sink(gr.sizeof_gr_complex * 1)
self.multiply_xx_0_0_0 = blocks.multiply_vcc(1)
self.multiply_xx_0_0 = blocks.multiply_vff(1)
self.low_pass_filter_3 = filter.fir_filter_ccf(
1, firdes.low_pass(1, 10e3, 1, 2, firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_2_0_0 = filter.fir_filter_ccf(
5, firdes.low_pass(1, 40e3, 2e3, 1e3, firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_2_0 = filter.fir_filter_ccf(
5, firdes.low_pass(1, 40e3, 2e3, 1e3, firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_2 = filter.fir_filter_ccf(
5,
firdes.low_pass(1, vor_samp_rate, 15e3, 5e3, firdes.WIN_HAMMING,
6.76))
self.low_pass_filter_1 = filter.interp_fir_filter_fff(
1, firdes.low_pass(1, 12.5e3, 3e3, 1e3, firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_0 = filter.fir_filter_ccf(
int(250e3 / 12.5e3),
firdes.low_pass(1, vor_samp_rate, 10e3, 1e3, firdes.WIN_HAMMING,
6.76))
self.goertzel_fc_0_0 = fft.goertzel_fc(10000, 1000, 30)
self.goertzel_fc_0 = fft.goertzel_fc(40000, 4000, 30)
self.float_to_complex_0_0 = blocks.float_to_complex(1)
self.const_source_x_0_0_0 = analog.sig_source_c(
0, analog.GR_CONST_WAVE, 0, 0, 0.450)
self.const_source_x_0_0 = analog.sig_source_f(0, analog.GR_CONST_WAVE,
0, 0, 0.550)
self.const_source_x_0 = analog.sig_source_f(0, analog.GR_CONST_WAVE, 0,
0, 0.450)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_multiply_conjugate_cc_0 = blocks.multiply_conjugate_cc(1)
self.blocks_complex_to_arg_0 = blocks.complex_to_arg(1)
self.blocks_add_const_vxx_0 = blocks.add_const_vff((-87.2665e-3, ))
self.band_pass_filter_0_0 = filter.fir_filter_fff(
4, firdes.band_pass(1, 40e3, 20, 40, 20, firdes.WIN_HAMMING, 6.76))
self.band_pass_filter_0 = filter.fir_filter_fff(
1, firdes.band_pass(1, 10e3, 20, 40, 20, firdes.WIN_HAMMING, 6.76))
self.audio_source_0 = audio.source(48000, "", True)
self.audio_sink_0 = audio.sink(int(audio_sample_rate), "", True)
self._audio_select_chooser = forms.drop_down(
parent=self.GetWin(),
value=self.audio_select,
callback=self.set_audio_select,
label='audio_select',
choices=[0, 1],
labels=['AM Voice', 'VOR Subcarrier'],
)
self.Add(self._audio_select_chooser)
self.analog_sig_source_x_0 = analog.sig_source_c(
40e3, analog.GR_COS_WAVE, -9.96e3, 1, 0)
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(1)
self.analog_am_demod_cf_0 = analog.am_demod_cf(
channel_rate=40e3,
audio_decim=4,
audio_pass=5000,
audio_stop=5500,
)
self.analog_agc2_xx_0_1_0 = analog.agc2_ff(1e-1, 1e-2, 1.0, 1.0)
self.analog_agc2_xx_0_1_0.set_max_gain(100)
self.analog_agc2_xx_0_1 = analog.agc2_ff(1e-1, 1e-2, 1.0, 1.0)
self.analog_agc2_xx_0_1.set_max_gain(100)
self.analog_agc2_xx_0_0 = analog.agc2_cc(1e-1, 1e-2, 1.0, 1.0)
self.analog_agc2_xx_0_0.set_max_gain(100)
self.analog_agc2_xx_0 = analog.agc2_cc(1e-1, 1e-2, 1.0, 1.0)
self.analog_agc2_xx_0.set_max_gain(100)
self.am_demod_cf_0 = analog.am_demod_cf(
channel_rate=am_sample_rate,
audio_decim=am_decimation,
audio_pass=3e3,
audio_stop=4e3,
)
self.agc2_xx_0 = analog.agc2_cc(1, 1, 0.75, 1.0)
self.agc2_xx_0.set_max_gain(0.0)
self.add_xx_0_0 = blocks.add_vff(1)
##################################################
# Connections
##################################################
self.connect((self.agc2_xx_0, 0), (self.am_demod_cf_0, 0))
self.connect((self.am_demod_cf_0, 0), (self.low_pass_filter_1, 0))
self.connect((self.agc2_xx_0, 0), (self.wxgui_fftsink2_0, 0))
self.connect((self.multiply_xx_0_0, 0), (self.add_xx_0_0, 0))
self.connect((self.const_source_x_0, 0), (self.multiply_xx_0_0, 1))
self.connect((self.const_source_x_0_0, 0), (self.add_xx_0_0, 1))
self.connect((self.multiply_xx_0_0_0, 0), (self.uhd_usrp_sink_0, 0))
self.connect((self.add_xx_0_0, 0), (self.float_to_complex_0_0, 0))
self.connect((self.add_xx_0_0, 0), (self.float_to_complex_0_0, 1))
self.connect((self.float_to_complex_0_0, 0),
(self.multiply_xx_0_0_0, 0))
self.connect((self.const_source_x_0_0_0, 0),
(self.multiply_xx_0_0_0, 1))
self.connect((self.uhd_usrp_source_0, 0), (self.null_sink_0_0_0, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.low_pass_filter_0, 0))
self.connect((self.low_pass_filter_1, 0),
(self.rational_resampler_xxx_1, 0))
self.connect((self.rational_resampler_xxx_1, 0),
(self.audio_sink_0, 0))
self.connect((self.analog_agc2_xx_0_1_0, 0),
(self.wxgui_scopesink2_0, 1))
self.connect((self.analog_agc2_xx_0_1, 0),
(self.wxgui_scopesink2_0, 0))
self.connect((self.band_pass_filter_0, 0),
(self.analog_agc2_xx_0_1, 0))
self.connect((self.band_pass_filter_0_0, 0),
(self.analog_agc2_xx_0_1_0, 0))
self.connect((self.analog_quadrature_demod_cf_0, 0),
(self.band_pass_filter_0_0, 0))
self.connect((self.analog_quadrature_demod_cf_0, 0),
(self.goertzel_fc_0, 0))
self.connect((self.analog_am_demod_cf_0, 0),
(self.band_pass_filter_0, 0))
self.connect((self.blocks_add_const_vxx_0, 0),
(self.wxgui_numbersink2_0, 0))
self.connect((self.blocks_complex_to_arg_0, 0),
(self.blocks_add_const_vxx_0, 0))
self.connect((self.low_pass_filter_3, 0),
(self.blocks_complex_to_arg_0, 0))
self.connect((self.blocks_multiply_conjugate_cc_0, 0),
(self.low_pass_filter_3, 0))
self.connect((self.analog_agc2_xx_0, 0),
(self.blocks_multiply_conjugate_cc_0, 1))
self.connect((self.analog_agc2_xx_0_0, 0),
(self.blocks_multiply_conjugate_cc_0, 0))
self.connect((self.goertzel_fc_0_0, 0), (self.analog_agc2_xx_0_0, 0))
self.connect((self.analog_am_demod_cf_0, 0), (self.goertzel_fc_0_0, 0))
self.connect((self.goertzel_fc_0, 0), (self.analog_agc2_xx_0, 0))
self.connect((self.low_pass_filter_2_0_0, 0),
(self.analog_am_demod_cf_0, 0))
self.connect((self.rational_resampler_xxx_0, 0),
(self.low_pass_filter_2_0_0, 0))
self.connect((self.low_pass_filter_2_0, 0),
(self.analog_quadrature_demod_cf_0, 0))
self.connect((self.analog_sig_source_x_0, 0),
(self.blocks_multiply_xx_0, 1))
self.connect((self.blocks_multiply_xx_0, 0),
(self.low_pass_filter_2_0, 0))
self.connect((self.rational_resampler_xxx_0, 0),
(self.blocks_multiply_xx_0, 0))
self.connect((self.uhd_usrp_source_0, 1), (self.null_sink_0_0, 0))
self.connect((self.low_pass_filter_2, 0),
(self.rational_resampler_xxx_0, 0))
self.connect((self.audio_source_0, 0),
(self.openavionics_audio_ptt_0, 0))
self.connect((self.openavionics_audio_ptt_0, 0),
(self.rational_resampler_xxx_2, 0))
self.connect((self.rational_resampler_xxx_2, 0),
(self.multiply_xx_0_0, 0))
self.connect((self.squelch, 0), (self.agc2_xx_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.squelch, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.low_pass_filter_2, 0))
##################################################
# Asynch Message Connections
##################################################
self.msg_connect(self.openavionics_joystick_interface_0, "out",
self.openavionics_audio_ptt_0, "in2")
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="NBFM Receiver")
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 125e6
##################################################
# Blocks
##################################################
self.wxgui_waterfallsink2_0 = waterfallsink2.waterfall_sink_c(
self.GetWin(),
baseband_freq=450e6,
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_0.win)
self.rational_resampler_xxx_0_0 = filter.rational_resampler_ccc(
interpolation=3,
decimation=125,
taps=None,
fractional_bw=None,
)
self.rational_resampler_xxx_0 = filter.rational_resampler_fff(
interpolation=48,
decimation=30,
taps=None,
fractional_bw=None,
)
self.low_pass_filter_0 = filter.fir_filter_ccf(10, firdes.low_pass(
1, 3e6, 5e3, 2e3, firdes.WIN_HAMMING, 6.76))
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((10, ))
self.blocks_interleaved_short_to_complex_0 = blocks.interleaved_short_to_complex(False, False)
self.blocks_file_source_0 = blocks.file_source(gr.sizeof_short*1, "/dev/langford", True)
self.audio_sink_0 = audio.sink(48000, "", True)
self.analog_pwr_squelch_xx_1 = analog.pwr_squelch_cc(-80, 1, 0, False)
self.analog_nbfm_rx_0 = analog.nbfm_rx(
audio_rate=30000,
quad_rate=300000,
tau=75e-6,
max_dev=5e3,
)
##################################################
# Connections
##################################################
self.connect((self.blocks_file_source_0, 0), (self.blocks_interleaved_short_to_complex_0, 0))
self.connect((self.low_pass_filter_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.rational_resampler_xxx_0, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self.analog_nbfm_rx_0, 0), (self.rational_resampler_xxx_0, 0))
self.connect((self.blocks_interleaved_short_to_complex_0, 0), (self.wxgui_waterfallsink2_0, 0))
self.connect((self.blocks_interleaved_short_to_complex_0, 0), (self.rational_resampler_xxx_0_0, 0))
self.connect((self.rational_resampler_xxx_0_0, 0), (self.analog_pwr_squelch_xx_1, 0))
self.connect((self.analog_pwr_squelch_xx_1, 0), (self.low_pass_filter_0, 0))