def __init__(self, gain=1):
gr.hier_block2.__init__(
self, "Split GMSK Modulator",
gr.io_signature(0, 0, 0),
gr.io_signature(1, 1, gr.sizeof_float*1),
)
##################################################
# Parameters
##################################################
self.gain = gain
##################################################
# Blocks
##################################################
self.rational_resampler_xxx_0 = filter.rational_resampler_fff(
interpolation=1,
decimation=2,
taps=(1, ),
fractional_bw=None,
)
self.pad_source_1 = None;self.message_port_register_hier_out("9k6")
self.pad_source_0 = None;self.message_port_register_hier_out("4k8")
self.digital_gmskmod_bc_0_0 = digital.gmskmod_bc(10, 3, 0.3)
self.digital_gmskmod_bc_0 = digital.gmskmod_bc(10, 3, 0.3)
self.blocks_pdu_to_tagged_stream_0_0 = blocks.pdu_to_tagged_stream(blocks.byte_t, "packet_len")
self.blocks_pdu_to_tagged_stream_0 = blocks.pdu_to_tagged_stream(blocks.byte_t, "packet_len")
self.blocks_add_xx_0 = blocks.add_vff(1)
self.analog_quadrature_demod_cf_0_0 = analog.quadrature_demod_cf(gain)
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(gain)
##################################################
# Connections
##################################################
self.connect((self.blocks_add_xx_0, 0), (self, 0))
self.connect((self.analog_quadrature_demod_cf_0_0, 0), (self.blocks_add_xx_0, 0))
self.connect((self.digital_gmskmod_bc_0_0, 0), (self.analog_quadrature_demod_cf_0_0, 0))
self.connect((self.blocks_pdu_to_tagged_stream_0, 0), (self.digital_gmskmod_bc_0_0, 0))
self.connect((self.analog_quadrature_demod_cf_0, 0), (self.rational_resampler_xxx_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.blocks_add_xx_0, 1))
self.connect((self.digital_gmskmod_bc_0, 0), (self.analog_quadrature_demod_cf_0, 0))
self.connect((self.blocks_pdu_to_tagged_stream_0_0, 0), (self.digital_gmskmod_bc_0, 0))
##################################################
# Asynch Message Connections
##################################################
self.msg_connect(self, "4k8", self.blocks_pdu_to_tagged_stream_0, "pdus")
self.msg_connect(self, "9k6", self.blocks_pdu_to_tagged_stream_0_0, "pdus")
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,
mode,
deviation=75000,
demod_rate=48000,
band_filter=None,
band_filter_transition=None,
tau=75e-6,
no_audio_filter=False, # TODO kludge to support APRS demod looking for tones
**kwargs):
SimpleAudioDemodulator.__init__(self,
mode=mode,
demod_rate=demod_rate,
band_filter=band_filter,
band_filter_transition=band_filter_transition,
**kwargs)
self.__no_audio_filter = no_audio_filter
self.__qdemod = analog.quadrature_demod_cf(demod_rate / (TWO_PI * deviation))
if tau > 0.0:
self.__deemph = fm_emph.fm_deemph(demod_rate, tau)
else:
self.__deemph = None
self.do_connect()
def test_quad_demod_001(self):
f = 1000.0
fs = 8000.0
src_data = []
for i in xrange(200):
ti = i/fs
src_data.append(cmath.exp(2j*cmath.pi*f*ti))
# f/fs is a quarter turn per sample.
# Set the gain based on this to get 1 out.
gain = 1.0/(cmath.pi/4)
expected_result = [0,] + 199*[1.0]
src = blocks.vector_source_c(src_data)
op = analog.quadrature_demod_cf(gain)
dst = blocks.vector_sink_f()
self.tb.connect(src, op)
self.tb.connect(op, dst)
self.tb.run()
result_data = dst.data()
self.assertComplexTuplesAlmostEqual(expected_result, result_data, 5)
def __init__(self, queue, freq=0.0, verbose=False, log=False):
gr.hier_block2.__init__(self, "flex_demod",
gr.io_signature(1, 1, gr.sizeof_gr_complex),
gr.io_signature(0,0,0))
k = 25000/(2*pi*1600) # 4800 Hz max deviation
quad = analog.quadrature_demod_cf(k)
self.connect(self, quad)
rsamp = filter.rational_resampler_fff(16, 25)
self.slicer = pager_swig.slicer_fb(5e-6) # DC removal averaging filter constant
self.sync = pager_swig.flex_sync()
self.connect(quad, rsamp, self.slicer, self.sync)
for i in range(4):
self.connect((self.sync, i), pager_swig.flex_deinterleave(), pager_swig.flex_parse(queue, freq))
if log:
suffix = '_'+ "%3.3f" % (freq/1e6,) + '.dat'
quad_sink = blocks.file_sink(gr.sizeof_float, 'quad'+suffix)
rsamp_sink = blocks.file_sink(gr.sizeof_float, 'rsamp'+suffix)
slicer_sink = blocks.file_sink(gr.sizeof_char, 'slicer'+suffix)
self.connect(rsamp, rsamp_sink)
self.connect(quad, quad_sink)
self.connect(self.slicer, slicer_sink)
def build_pipeline(fg, quad_rate, audio_decimation):
"""Given a flow_graph, fg, construct a pipeline
for demodulating a broadcast FM signal. The
input is the downconverteed complex baseband
signal. The output is the demodulated audio.
build_pipeline returns a two element tuple
containing the input and output endpoints.
"""
fm_demod_gain = 2200.0 / 32768.0
audio_rate = quad_rate / audio_decimation
volume = 1.0
# input: complex; output: float
fm_demod = analog.quadrature_demod_cf(volume * fm_demod_gain)
# compute FIR filter taps for audio filter
width_of_transition_band = audio_rate / 32
audio_coeffs = filter.firdes.low_pass(
1.0, # gain
quad_rate, # sampling rate
audio_rate / 2 - width_of_transition_band,
width_of_transition_band,
filter.firdes.WIN_HAMMING,
)
# input: float; output: float
audio_filter = filter.fir_filter_fff(audio_decimation, audiocoeffs)
fg.connect(fm_demod, audio_filter)
return ((fm_demod, 0), (audio_filter, 0))
def __init__(self, sample_rate): super(fsk_center_tracking, self).__init__( "fsk_center_tracking", gr.io_signature(1, 1, gr.sizeof_gr_complex*1), gr.io_signature(1, 1, gr.sizeof_gr_complex*1), ) # Arbitrary averaging values that seem to work OK. window_symbols = 20 symbol_rate = 19200 average_window = int(floor(sample_rate * window_symbols / symbol_rate)) self.delay = blocks.delay(gr.sizeof_gr_complex*1, average_window) self.demod = analog.quadrature_demod_cf(1) self.moving_average = blocks.moving_average_ff(average_window, 1.0 / average_window, 4000) self.vco = blocks.vco_c(sample_rate, -sample_rate, 1) self.multiply = blocks.multiply_vcc(1) self.connect((self, 0), (self.delay, 0)) self.connect((self.delay, 0), (self.multiply, 0)) self.connect((self, 0), (self.demod, 0)) self.connect((self.demod, 0), (self.moving_average, 0)) self.connect((self.moving_average, 0), (self.vco, 0)) self.connect((self.vco, 0), (self.multiply, 1)) self.connect((self.multiply, 0), (self, 0))
def __init__(self, options):
gr.hier_block2.__init__(self, "ais_demod",
gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature
gr.io_signature(1, 1, gr.sizeof_char)) # Output signature
self._samples_per_symbol = options[ "samples_per_symbol" ]
self._bits_per_sec = options[ "bits_per_sec" ]
self._samplerate = self._samples_per_symbol * self._bits_per_sec
self._clockrec_gain = options[ "clockrec_gain" ]
self._omega_relative_limit = options[ "omega_relative_limit" ]
self.fftlen = options[ "fftlen" ]
self.freq_sync = gmsk_sync.square_and_fft_sync_cc(self._samplerate, self._bits_per_sec, self.fftlen)
self.agc = analog.feedforward_agc_cc(512, 2)
self.preamble = [1,1,0,0]*7
self.mod = digital.gmsk_mod(self._samples_per_symbol, 0.4)
self.mod_vector = ais.modulate_vector_bc(self.mod.to_basic_block(), self.preamble, [1])
self.preamble_detect = ais.corr_est_cc(self.mod_vector,
self._samples_per_symbol,
1, #mark delay
0.9) #threshold
self.clockrec = ais.msk_timing_recovery_cc(self._samples_per_symbol,
self._clockrec_gain, #gain
self._omega_relative_limit, #error lim
1) #output sps
sensitivity = (math.pi / 2)
self.demod = analog.quadrature_demod_cf(sensitivity) #param is gain
self.slicer = digital.binary_slicer_fb()
self.diff = digital.diff_decoder_bb(2)
self.invert = ais.invert() #NRZI signal diff decoded and inverted should give original signal
# self.connect(self, self.gmsk_sync)
self.connect(self, self.freq_sync, self.agc, (self.preamble_detect, 0), self.clockrec, self.demod, self.slicer, self.diff, self.invert, self)
def __init__(self):
gr.hier_block2.__init__(
self, "DSD Chain",
gr.io_signature(1, 1, gr.sizeof_gr_complex*1),
gr.io_signature(1, 1, gr.sizeof_float*1),
)
##################################################
# Blocks
##################################################
self.rational_resampler_xxx_3 = filter.rational_resampler_fff(
interpolation=48000,
decimation=8000,
taps=None,
fractional_bw=None,
)
self.rational_resampler_xxx_2 = filter.rational_resampler_ccc(
interpolation=48000,
decimation=2400000,
taps=None,
fractional_bw=None,
)
self.dsd_block_ff_0 = dsd.block_ff(dsd.dsd_FRAME_DMR_MOTOTRBO,dsd.dsd_MOD_GFSK,3,True,3)
self.analog_quadrature_demod_cf_1 = analog.quadrature_demod_cf(1.6)
##################################################
# Connections
##################################################
self.connect((self.analog_quadrature_demod_cf_1, 0), (self.dsd_block_ff_0, 0))
self.connect((self.dsd_block_ff_0, 0), (self.rational_resampler_xxx_3, 0))
self.connect((self, 0), (self.rational_resampler_xxx_2, 0))
self.connect((self.rational_resampler_xxx_2, 0), (self.analog_quadrature_demod_cf_1, 0))
self.connect((self.rational_resampler_xxx_3, 0), (self, 0))
def __init__(self, sample_rate, freq_offset, queue, logger = None, group_description_csv = None):
gr.hier_block2.__init__(
self,
"SmartZone Control Channel",
gr.io_signature(1, 1, gr.sizeof_gr_complex), # input signature
gr.io_signature(0, 0, 0) # output signature
)
self._CC_DEVIATION = 4e3 # observed
self._symbol_rate = 3600.0 # control channel rate is 3.6kb/s
self._oversample = 4 # XXX reduce
# get close to the desired sample rate with decimation
channel_decimation = int(sample_rate / (self._oversample * self._symbol_rate)) & ~1
channel_rate = sample_rate / channel_decimation
samples_per_symbol = channel_rate / self._symbol_rate
# channel_bw = self._CC_DEVIATION + self._symbol_rate # from pager source
channel_bw = 3 * self._symbol_rate
# taps = firdes.low_pass(1, sample_rate, int(3.0 * self._symbol_rate), int(3.0 * self._symbol_rate / 10.0), firdes.WIN_HAMMING)
channel_taps = firdes.low_pass(1, sample_rate, channel_bw, channel_bw / 10.0, firdes.WIN_HAMMING)
channel_filter = filter.freq_xlating_fir_filter_ccf(channel_decimation, channel_taps, freq_offset, sample_rate)
#quad_demod = analog.quadrature_demod_cf(1.0)
quad_demod = analog.quadrature_demod_cf(channel_rate / (2 * math.pi * self._CC_DEVIATION))
clock = digital.clock_recovery_mm_ff(omega = samples_per_symbol, gain_omega = 0.001, mu = 0, gain_mu = 0.001, omega_relative_limit = 0.005)
slicer = digital.binary_slicer_fb()
digital_correlate = digital.correlate_access_code_bb("10101100", 0)
cc_sink = control_channel_sink(logger, queue, group_description_csv)
self.connect(self, channel_filter, quad_demod, clock, slicer, digital_correlate, cc_sink)
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 test_quadrature_demod_cf():
top = gr.top_block()
src = blocks.null_source(gr.sizeof_gr_complex)
fdisc = analog.quadrature_demod_cf(5.0)
probe = blocks.probe_rate(gr.sizeof_float)
top.connect(src, fdisc, probe)
return top, probe
def __init__(self, audio_rate, quad_rate, tau=75e-6, max_dev=5e3):
"""
Narrow Band FM Receiver.
Takes a single complex baseband input stream and produces a single
float output stream of audio sample in the range [-1, +1].
Args:
audio_rate: sample rate of audio stream, >= 16k (integer)
quad_rate: sample rate of output stream (integer)
tau: preemphasis time constant (default 75e-6) (float)
max_dev: maximum deviation in Hz (default 5e3) (float)
quad_rate must be an integer multiple of audio_rate.
Exported sub-blocks (attributes):
squelch
quad_demod
deemph
audio_filter
"""
gr.hier_block2.__init__(self, "nbfm_rx",
gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature
gr.io_signature(1, 1, gr.sizeof_float)) # Output signature
# FIXME audio_rate and quad_rate ought to be exact rationals
self._audio_rate = audio_rate = int(audio_rate)
self._quad_rate = quad_rate = int(quad_rate)
if quad_rate % audio_rate != 0:
raise ValueError, "quad_rate is not an integer multiple of audio_rate"
squelch_threshold = 20 # dB
#self.squelch = analog.simple_squelch_cc(squelch_threshold, 0.001)
# FM Demodulator input: complex; output: float
k = quad_rate/(2*math.pi*max_dev)
self.quad_demod = analog.quadrature_demod_cf(k)
# FM Deemphasis IIR filter
self.deemph = fm_deemph(quad_rate, tau=tau)
# compute FIR taps for audio filter
audio_decim = quad_rate // audio_rate
audio_taps = filter.firdes.low_pass(1.0, # gain
quad_rate, # sampling rate
2.7e3, # Audio LPF cutoff
0.5e3, # Transition band
filter.firdes.WIN_HAMMING) # filter type
print "len(audio_taps) =", len(audio_taps)
# Decimating audio filter
# input: float; output: float; taps: float
self.audio_filter = filter.fir_filter_fff(audio_decim, audio_taps)
self.connect(self, self.quad_demod, self.deemph, self.audio_filter, self)
def __init__(self, freq, ppm, osmosdr_args):
gr.top_block.__init__(self, "gr_omnicon")
self.msgq_out = blocks_message_sink_0_msgq_out = gr.msg_queue(0)
##################################################
# Variables
##################################################
self.xlate_bandwidth = xlate_bandwidth = 15.0e3
self.samp_rate = samp_rate = 1.2e6
self.xlate_decimation = xlate_decimation = int(samp_rate/(xlate_bandwidth*3.2))
self.baud_rate = baud_rate = 2400
self.lowpass_decimation = lowpass_decimation = int((samp_rate/xlate_decimation)/(baud_rate*4))
self.freq_offset = freq_offset = 250000
self.sps = sps = (samp_rate/xlate_decimation/lowpass_decimation)/baud_rate
self.omega_rel_limit = omega_rel_limit = ((2450.0-2400.0)/2400.0)
self.gain_omega = gain_omega = 0
self.gain_mu = gain_mu = 0.1
self.freq_tune = freq_tune = freq-freq_offset
##################################################
# Blocks
##################################################
self.rtlsdr_source_0 = osmosdr.source(args=osmosdr_args)
self.rtlsdr_source_0.set_sample_rate(samp_rate)
self.rtlsdr_source_0.set_center_freq(freq_tune, 0)
self.rtlsdr_source_0.set_freq_corr(ppm, 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(True, 0)
self.rtlsdr_source_0.set_gain(42, 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_0 = filter.fir_filter_fff(lowpass_decimation, firdes.low_pass(
1, samp_rate/xlate_decimation, baud_rate, (baud_rate)/10, firdes.WIN_HAMMING, 6.76))
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(xlate_decimation, (firdes.low_pass(1, samp_rate, xlate_bandwidth, xlate_bandwidth/20 )), freq_offset, samp_rate)
self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff(sps, gain_omega, 0.5, gain_mu, omega_rel_limit)
self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
self.dc_blocker_xx_0 = filter.dc_blocker_ff(500, True)
self.blocks_message_sink_0 = blocks.message_sink(gr.sizeof_char*1, blocks_message_sink_0_msgq_out, False)
self.analog_quadrature_demod_cf_0_0_0 = analog.quadrature_demod_cf(1)
##################################################
# Connections
##################################################
self.connect((self.analog_quadrature_demod_cf_0_0_0, 0), (self.dc_blocker_xx_0, 0))
#self.connect((self.blocks_message_sink_0, 'msg'), (self, 0))
self.connect((self.dc_blocker_xx_0, 0), (self.low_pass_filter_0, 0))
self.connect((self.digital_binary_slicer_fb_0, 0), (self.blocks_message_sink_0, 0))
self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.digital_binary_slicer_fb_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.analog_quadrature_demod_cf_0_0_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.digital_clock_recovery_mm_xx_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, "grc_cc1111_test_local_loop")
##################################################
# Variables
##################################################
self.symbole_rate = symbole_rate = 80000
self.samp_rate = samp_rate = 2e6
self.samp_per_sym = samp_per_sym = int(samp_rate / symbole_rate)
self.preamble = preamble = '0101010101010101'
self.myqueue_out = myqueue_out = gr.msg_queue(2)
self.myqueue_in = myqueue_in = gr.msg_queue(2)
self.bit_per_sym = bit_per_sym = 1
self.access_code = access_code = '11010011100100011101001110010001'
##################################################
# Blocks
##################################################
self.digital_gmsk_mod_0 = digital.gmsk_mod(
samples_per_symbol=int(samp_per_sym),
bt=0.5,
verbose=False,
log=False,
)
self.digital_correlate_access_code_bb_0_0 = digital.correlate_access_code_bb(access_code, 1)
self.digital_clock_recovery_mm_xx_0_0 = digital.clock_recovery_mm_ff(samp_per_sym*(1+0.0), 0.25*0.175*0.175, 0.5, 0.175, 0.005)
self.digital_binary_slicer_fb_0_0_0 = digital.binary_slicer_fb()
self.cc1111_cc1111_packet_encoder_0 = cc1111.cc1111_packet_mod_base(cc1111.cc1111_packet_encoder(
samples_per_symbol=samp_per_sym,
bits_per_symbol=bit_per_sym,
preamble=preamble,
access_code=access_code,
pad_for_usrp=True,
do_whitening=True,
add_crc=True
),
source_queue=myqueue_in
)
self.cc1111_cc1111_packet_decoder_0 = cc1111.cc1111_packet_decoder(myqueue_out,True, True, False, True)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char*1, samp_rate,True)
self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_char*1)
self.analog_quadrature_demod_cf_0_0 = analog.quadrature_demod_cf(1)
##################################################
# Connections
##################################################
self.connect((self.digital_clock_recovery_mm_xx_0_0, 0), (self.digital_binary_slicer_fb_0_0_0, 0))
self.connect((self.analog_quadrature_demod_cf_0_0, 0), (self.digital_clock_recovery_mm_xx_0_0, 0))
self.connect((self.digital_binary_slicer_fb_0_0_0, 0), (self.digital_correlate_access_code_bb_0_0, 0))
self.connect((self.digital_gmsk_mod_0, 0), (self.analog_quadrature_demod_cf_0_0, 0))
self.connect((self.digital_correlate_access_code_bb_0_0, 0), (self.cc1111_cc1111_packet_decoder_0, 0))
self.connect((self.cc1111_cc1111_packet_decoder_0, 0), (self.blocks_null_sink_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.digital_gmsk_mod_0, 0))
self.connect((self.cc1111_cc1111_packet_encoder_0, 0), (self.blocks_throttle_0, 0))
def __init__(self,
samples_per_symbol=_def_samples_per_symbol,
gain_mu=_def_gain_mu,
mu=_def_mu,
omega_relative_limit=_def_omega_relative_limit,
freq_error=_def_freq_error,
verbose=_def_verbose,
log=_def_log):
gr.hier_block2.__init__(self, "gmsk_demod",
gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature
gr.io_signature(1, 1, gr.sizeof_char)) # Output signature
self._samples_per_symbol = samples_per_symbol
self._gain_mu = gain_mu
self._mu = mu
self._omega_relative_limit = omega_relative_limit
self._freq_error = freq_error
self._differential = False
if samples_per_symbol < 2:
raise TypeError, "samples_per_symbol >= 2, is %f" % samples_per_symbol
self._omega = samples_per_symbol*(1+self._freq_error)
if not self._gain_mu:
self._gain_mu = 0.175
self._gain_omega = .25 * self._gain_mu * self._gain_mu # critically damped
# Demodulate FM
sensitivity = (pi / 2) / samples_per_symbol
self.fmdemod = analog.quadrature_demod_cf(1.0 / sensitivity)
# the clock recovery block tracks the symbol clock and resamples as needed.
# the output of the block is a stream of soft symbols (float)
self.clock_recovery = digital.clock_recovery_mm_ff(self._omega, self._gain_omega,
self._mu, self._gain_mu,
self._omega_relative_limit)
# slice the floats at 0, outputting 1 bit (the LSB of the output byte) per sample
self.slicer = digital.binary_slicer_fb()
if verbose:
self._print_verbage()
if log:
self._setup_logging()
# Connect & Initialize base class
self.connect(self, self.fmdemod, self.clock_recovery, self.slicer, self)
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):
gr.top_block.__init__(self)
input_rate = 200e3 # rate of a broadcast FM station
audio_rate = 44.1e3 # Rate we send the signal to the speaker
# resample from the output of the demodulator to the rate of
# the audio sink.
resamp_rate = audio_rate / input_rate
# use a file as a dummy source. Replace this with a real radio
# receiver to capture signals over-the-air.
src = blocks.file_source(gr.sizeof_gr_complex, "dummy.dat", True)
# Set the demodulator using the same deviation as the receiver.
max_dev = 75e3
fm_demod_gain = input_rate/(2*math.pi*max_dev/8.0)
fm_demod = analog.quadrature_demod_cf(fm_demod_gain)
# Create a filter for the resampler and filter the audio
# signal to 15 kHz. The nfilts is the number of filters in the
# arbitrary resampler. It logically operates at a rate of
# nfilts*input_rate, so we make those adjustments when
# building the filter.
volume = 0.20
nfilts = 32
resamp_taps = firdes.low_pass_2(volume*nfilts, # gain
nfilts*input_rate, # sampling rate
15e3, # low pass cutoff freq
1e3, # width of trans. band
60, # stop band attenuaton
firdes.WIN_KAISER)
# Build the resampler and filter
resamp_filter = filter.pfb_arb_resampler_fff(resamp_rate,
resamp_taps, nfilts)
# sound card as final sink You may have to add a specific
# device name as a second argument here, something like
# "pulse" if using pulse audio or "plughw:0,0".
audio_sink = audio.sink(int(audio_rate))
# now wire it all together
self.connect(src, fm_demod)
self.connect(fm_demod, resamp_filter)
self.connect(resamp_filter, (audio_sink,0))
def __init__(self):
gr.top_block.__init__(self, "Elster Rx Nogui")
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 2400000
self.rx_gain = rx_gain = 45
self.corr = corr = 0
self.channel_rate = channel_rate = 400000
self.channel_decimation = channel_decimation = 4
self.center_freq = center_freq = 904600000
##################################################
# Blocks
##################################################
self.osmosdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + "" )
self.osmosdr_source_0.set_sample_rate(samp_rate)
self.osmosdr_source_0.set_center_freq(center_freq, 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(0, 0)
self.osmosdr_source_0.set_gain_mode(0, 0)
self.osmosdr_source_0.set_gain(rx_gain, 0)
self.osmosdr_source_0.set_if_gain(20, 0)
self.osmosdr_source_0.set_bb_gain(20, 0)
self.osmosdr_source_0.set_antenna("", 0)
self.osmosdr_source_0.set_bandwidth(0, 0)
self.low_pass_filter_1 = filter.fir_filter_fff(channel_decimation, firdes.low_pass(
1, channel_rate, 20000, 5000, firdes.WIN_HAMMING, 6.76))
self.elster_packetize_0 = elster.packetize(1)
self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff(channel_rate * 56.48E-6 / 2 / channel_decimation, 0.25*(0.05*0.05), 0.5, 0.05, 0.005)
self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
self.blocks_keep_one_in_n_0 = blocks.keep_one_in_n(gr.sizeof_gr_complex*1, samp_rate/channel_rate)
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(-channel_rate/(115000*2*3.1416))
##################################################
# Connections
##################################################
self.connect((self.osmosdr_source_0, 0), (self.blocks_keep_one_in_n_0, 0))
self.connect((self.blocks_keep_one_in_n_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.low_pass_filter_1, 0), (self.digital_clock_recovery_mm_xx_0, 0))
self.connect((self.digital_binary_slicer_fb_0, 0), (self.elster_packetize_0, 0))
self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.digital_binary_slicer_fb_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Top Block")
##################################################
# Variables
##################################################
self.channel_spacing = channel_spacing = 500000
self.width = width = 40000
self.tuner = tuner = 868.95e6
self.squelch = squelch = -25
self.samp_rate = samp_rate = 1.024e6
self.freq_offset = freq_offset = (channel_spacing / 2) + (channel_spacing * .1)
self.demodgain = demodgain = 24
self.cutoff = cutoff = 200000
##################################################
# Blocks
##################################################
self.osmosdr_source_c_0_1 = osmosdr.source()
self.osmosdr_source_c_0_1.set_sample_rate(samp_rate)
self.osmosdr_source_c_0_1.set_center_freq(tuner+freq_offset, 0)
self.osmosdr_source_c_0_1.set_freq_corr(21, 0)
self.osmosdr_source_c_0_1.set_iq_balance_mode(0, 0)
self.osmosdr_source_c_0_1.set_gain_mode(0, 0)
self.osmosdr_source_c_0_1.set_gain(10, 0)
self.osmosdr_source_c_0_1.set_if_gain(24, 0)
self.osmosdr_source_c_0_1.set_bb_gain(20, 0)
self.osmosdr_source_c_0_1.set_antenna("", 0)
self.osmosdr_source_c_0_1.set_bandwidth(0, 0)
self.freq_xlating_fir_filter_xxx_0_1 = filter.freq_xlating_fir_filter_ccc(1, (firdes.low_pass(1, samp_rate,cutoff, width, firdes.WIN_BLACKMAN, 6.76)), -freq_offset, samp_rate)
self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_char*1, "capture", False)
self.blocks_file_sink_0.set_unbuffered(False)
self.analog_simple_squelch_cc_0 = analog.simple_squelch_cc(squelch, 1)
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(demodgain)
##################################################
# Connections
##################################################
self.connect((self.freq_xlating_fir_filter_xxx_0_1, 0), (self.analog_simple_squelch_cc_0, 0))
self.connect((self.osmosdr_source_c_0_1, 0), (self.freq_xlating_fir_filter_xxx_0_1, 0))
self.connect((self.analog_simple_squelch_cc_0, 0), (self.analog_quadrature_demod_cf_0, 0))
self.connect((self.digital_binary_slicer_fb_0, 0), (self.blocks_file_sink_0, 0))
self.connect((self.analog_quadrature_demod_cf_0, 0), (self.digital_binary_slicer_fb_0, 0))
def __init__(self, samp_rate=1600000, samp_per_sym=16, freq_error=-0.0025000): gr.hier_block2.__init__( self, "Wireless M-Bus Demod", gr.io_signature(1, 1, gr.sizeof_gr_complex*1), gr.io_signature(1, 1, gr.sizeof_char*1), ) ################################################## # Parameters ################################################## self.samp_rate = samp_rate self.samp_per_sym = samp_per_sym self.freq_error = freq_error ################################################## # Variables ################################################## self.cutoff = cutoff = 120e3 self.chip_rate = chip_rate = samp_rate/samp_per_sym ################################################## # Blocks ################################################## self.low_pass_filter_0 = gnuradio.filter.fir_filter_ccf(1, gnuradio.filter.firdes.low_pass( 1, samp_rate, cutoff, cutoff/2, gnuradio.filter.firdes.WIN_HAMMING, 6.76)) self.gr_sub_xx_0 = blocks.sub_ff(1) self.gr_single_pole_iir_filter_xx_0 = gnuradio.filter.single_pole_iir_filter_ff(0.0512/samp_per_sym, 1) self.gr_quadrature_demod_cf_0 = analog.quadrature_demod_cf(1) self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff(samp_per_sym*(1+freq_error), .25 *0.06*0.06*4, 0.5, 0.06*2, 0.002*2) self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb() ################################################## # Connections ################################################## self.connect((self.gr_quadrature_demod_cf_0, 0), (self.gr_single_pole_iir_filter_xx_0, 0)) self.connect((self.gr_single_pole_iir_filter_xx_0, 0), (self.gr_sub_xx_0, 1)) self.connect((self.gr_quadrature_demod_cf_0, 0), (self.gr_sub_xx_0, 0)) self.connect((self.gr_sub_xx_0, 0), (self.digital_clock_recovery_mm_xx_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.gr_quadrature_demod_cf_0, 0)) self.connect((self.digital_binary_slicer_fb_0, 0), (self, 0)) self.connect((self, 0), (self.low_pass_filter_0, 0))
def __init__(self, filename, fs):
gr.top_block.__init__(self)
# Read in data from file
self.src = blocks.file_source(gr.sizeof_gr_complex, filename)
fm_bw = 200e3 # 200 kHz bands
resamp = fm_bw/fs # output rate = input rate * resamp
# This block builds a resampler with rate resamp that
# passes the entire useful channel after resampling
self.resampler = filter.pfb.arb_resampler_ccf(resamp)
# Set up the demodulator to translate an FM signal of a known
# sample rate (fm_bw) and deviation into an amplitude series.
deviation = 75e3
gain = fm_bw/(2*math.pi*deviation)
self.demod = analog.quadrature_demod_cf(gain)
# Resample again to audio rates
# Filter here to supress out of band noise
audio_rate = 44.1e3
audio_pass = 1e3
audio_tw = 1e3
audio_atten = 60
audio_resamp = audio_rate/fm_bw
audio_taps = filter.firdes.low_pass_2(1,
fm_bw, # Sample rate at input
audio_pass, # passband
audio_tw, # transition width
audio_atten) # Stopband attenuation
self.lpf = filter.pfb.arb_resampler_fff(audio_resamp, audio_taps)
# Using pulseaudio device in Linux. Will have to play around
# with this on your system (plughw:0,0 is another good choise
# in Linux).
device = "pulse"
self.snk = audio.sink(int(audio_rate), device)
# Connect up the blocks
self.connect(self.src, self.resampler, self.demod)
self.connect(self.demod, self.lpf, self.snk)
def __init__ (self, quad_rate, audio_decimation):
"""
Hierarchical block for demodulating a broadcast FM signal.
The input is the downconverted complex baseband signal (gr_complex).
The output is the demodulated audio (float).
Args:
quad_rate: input sample rate of complex baseband input. (float)
audio_decimation: how much to decimate quad_rate to get to audio. (integer)
"""
gr.hier_block2.__init__(self, "wfm_rcv",
gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature
gr.io_signature(1, 1, gr.sizeof_float)) # Output signature
volume = 20.
max_dev = 75e3
fm_demod_gain = quad_rate/(2*math.pi*max_dev)
audio_rate = quad_rate / audio_decimation
# We assign to self so that outsiders can grab the demodulator
# if they need to. E.g., to plot its output.
#
# input: complex; output: float
self.fm_demod = analog.quadrature_demod_cf(fm_demod_gain)
# input: float; output: float
self.deemph = fm_deemph(audio_rate)
# compute FIR filter taps for audio filter
width_of_transition_band = audio_rate / 32
audio_coeffs = filter.firdes.low_pass(1.0, # gain
quad_rate, # sampling rate
audio_rate/2 - width_of_transition_band,
width_of_transition_band,
filter.firdes.WIN_HAMMING)
# input: float; output: float
self.audio_filter = filter.fir_filter_fff(audio_decimation, audio_coeffs)
self.connect (self, self.fm_demod, self.audio_filter, self.deemph, self)
def __init__(self, channel_rate, audio_decim, deviation,
audio_pass, audio_stop, gain=1.0, tau=75e-6):
gr.hier_block2.__init__(self, "fm_demod_cf",
gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature
gr.io_signature(1, 1, gr.sizeof_float)) # Output signature
k = channel_rate/(2*pi*deviation)
QUAD = analog.quadrature_demod_cf(k)
audio_taps = filter.optfir.low_pass(gain, # Filter gain
channel_rate, # Sample rate
audio_pass, # Audio passband
audio_stop, # Audio stopband
0.1, # Passband ripple
60) # Stopband attenuation
LPF = filter.fir_filter_fff(audio_decim, audio_taps)
if tau is not None:
DEEMPH = fm_deemph(channel_rate, tau)
self.connect(self, QUAD, DEEMPH, LPF, self)
else:
self.connect(self, QUAD, LPF, self)
def __init__(self, input_rate, baud):
gr.hier_block2.__init__(
self, 'RTTY FSK demodulator',
gr.io_signature(1, 1, gr.sizeof_gr_complex * 1),
gr.io_signature(1, 1, gr.sizeof_float * 1),
)
self.bit_time = bit_time = input_rate / baud
fsk_deviation_hz = 85 # TODO param or just don't care
self.__dc_blocker = grfilter.dc_blocker_ff(int(bit_time * _HALF_BITS_PER_CODE * 10), False)
self.__quadrature_demod = analog.quadrature_demod_cf(-input_rate / (2 * math.pi * fsk_deviation_hz))
self.__freq_probe = blocks.probe_signal_f()
self.connect(
self,
self.__quadrature_demod,
self.__dc_blocker,
digital.binary_slicer_fb(),
blocks.char_to_float(scale=1),
self)
self.connect(self.__dc_blocker, self.__freq_probe)
def __init__(self, rate, decim, gate=False):
gr.hier_block2.__init__(self,
"fm_demod",
gr.io_signature(1,1,gr.sizeof_gr_complex),
gr.io_signature(1,1,gr.sizeof_float))
tau=75.e-6
deviation = 5.e3
k=rate/(2*pi*deviation)
self.rate = rate
self.quad = analog.quadrature_demod_cf(k)
self.squelch = scanner.standard_squelch_ff(gate=gate)
self.deemph = fm_deemph(rate, tau)
self.nfilts = 32
audio_taps = optfir.band_pass(self.nfilts,
self.rate*self.nfilts,
250,
300,
3000,
4000,
0.2,
40)
self.resamp = pfb.arb_resampler_fff(1./decim, audio_taps)
self.connect(self, self.quad, self.squelch, self.deemph, self.resamp, self)
def __init__(self):
gr.top_block.__init__(self, "Uhd Ais 3")
Qt.QWidget.__init__(self)
self.setWindowTitle("Uhd Ais 3")
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", "uhd_ais_3")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 250e3
self.decim = decim = 5
self.baud = baud = 9600
self.samp_per_sym = samp_per_sym = (samp_rate / decim / 50 * 48) / baud
self.rx_gain = rx_gain = 45
self.fsk_deviation = fsk_deviation = 10e3
self.freq = freq = 162e6
##################################################
# Blocks
##################################################
self._rx_gain_tool_bar = Qt.QToolBar(self)
self._rx_gain_tool_bar.addWidget(Qt.QLabel("rx_gain" + ": "))
self._rx_gain_line_edit = Qt.QLineEdit(str(self.rx_gain))
self._rx_gain_tool_bar.addWidget(self._rx_gain_line_edit)
self._rx_gain_line_edit.returnPressed.connect(lambda: self.set_rx_gain(
eng_notation.str_to_num(
str(self._rx_gain_line_edit.text().toAscii()))))
self.top_grid_layout.addWidget(self._rx_gain_tool_bar, 8, 0, 1, 2)
self.rational_resampler_xxx_0_0 = filter.rational_resampler_fff(
interpolation=48,
decimation=50,
taps=None,
fractional_bw=None,
)
self.rational_resampler_xxx_0 = filter.rational_resampler_fff(
interpolation=48,
decimation=50,
taps=None,
fractional_bw=None,
)
self.qtgui_waterfall_sink_x_0_0 = qtgui.waterfall_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"AIS-B", #name
1 #number of inputs
)
self.qtgui_waterfall_sink_x_0_0.set_update_time(0.010)
self.qtgui_waterfall_sink_x_0_0.enable_grid(True)
self.qtgui_waterfall_sink_x_0_0.enable_axis_labels(True)
if not True:
self.qtgui_waterfall_sink_x_0_0.disable_legend()
if "complex" == "float" or "complex" == "msg_float":
self.qtgui_waterfall_sink_x_0_0.set_plot_pos_half(not True)
labels = ['', '', '', '', '', '', '', '', '', '']
colors = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_waterfall_sink_x_0_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_waterfall_sink_x_0_0.set_line_label(i, labels[i])
self.qtgui_waterfall_sink_x_0_0.set_color_map(i, colors[i])
self.qtgui_waterfall_sink_x_0_0.set_line_alpha(i, alphas[i])
self.qtgui_waterfall_sink_x_0_0.set_intensity_range(-60, 10)
self._qtgui_waterfall_sink_x_0_0_win = sip.wrapinstance(
self.qtgui_waterfall_sink_x_0_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_waterfall_sink_x_0_0_win, 2,
4, 2, 4)
self.qtgui_waterfall_sink_x_0 = qtgui.waterfall_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"AIS-A", #name
1 #number of inputs
)
self.qtgui_waterfall_sink_x_0.set_update_time(0.010)
self.qtgui_waterfall_sink_x_0.enable_grid(True)
self.qtgui_waterfall_sink_x_0.enable_axis_labels(True)
if not True:
self.qtgui_waterfall_sink_x_0.disable_legend()
if "complex" == "float" or "complex" == "msg_float":
self.qtgui_waterfall_sink_x_0.set_plot_pos_half(not True)
labels = ['', '', '', '', '', '', '', '', '', '']
colors = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_waterfall_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_waterfall_sink_x_0.set_line_label(i, labels[i])
self.qtgui_waterfall_sink_x_0.set_color_map(i, colors[i])
self.qtgui_waterfall_sink_x_0.set_line_alpha(i, alphas[i])
self.qtgui_waterfall_sink_x_0.set_intensity_range(-60, 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, 0,
4, 2, 4)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
2048, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate / decim, #bw
"AIS", #name
2 #number of inputs
)
self.qtgui_freq_sink_x_0.set_update_time(0.01)
self.qtgui_freq_sink_x_0.set_y_axis(-60, 10)
self.qtgui_freq_sink_x_0.set_y_label('Relative Gain', 'dB')
self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0,
"")
self.qtgui_freq_sink_x_0.enable_autoscale(False)
self.qtgui_freq_sink_x_0.enable_grid(True)
self.qtgui_freq_sink_x_0.set_fft_average(1.0)
self.qtgui_freq_sink_x_0.enable_axis_labels(True)
self.qtgui_freq_sink_x_0.enable_control_panel(False)
if not True:
self.qtgui_freq_sink_x_0.disable_legend()
if "complex" == "float" or "complex" == "msg_float":
self.qtgui_freq_sink_x_0.set_plot_pos_half(not True)
labels = ['', '', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"green", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "dark blue"
]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(2):
if len(labels[i]) == 0:
self.qtgui_freq_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_0.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_0.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_0.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_0_win = sip.wrapinstance(
self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win, 0, 0, 4,
4)
self.pyqt_text_output_0_0 = pyqt.text_output()
self._pyqt_text_output_0_0_win = self.pyqt_text_output_0_0
self.top_grid_layout.addWidget(self._pyqt_text_output_0_0_win, 4, 0, 4,
4)
self.pyqt_text_output_0 = pyqt.text_output()
self._pyqt_text_output_0_win = self.pyqt_text_output_0
self.top_grid_layout.addWidget(self._pyqt_text_output_0_win, 4, 4, 4,
4)
self.low_pass_filter_0_0 = filter.fir_filter_ccf(
decim,
firdes.low_pass(1, samp_rate, 7e3, 1e3, firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_0 = filter.fir_filter_ccf(
decim,
firdes.low_pass(1, samp_rate, 7e3, 1e3, firdes.WIN_HAMMING, 6.76))
self.digital_hdlc_deframer_bp_0_0 = digital.hdlc_deframer_bp(11, 1000)
self.digital_hdlc_deframer_bp_0 = digital.hdlc_deframer_bp(11, 1000)
self.digital_diff_decoder_bb_0_0 = digital.diff_decoder_bb(2)
self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(2)
self.digital_clock_recovery_mm_xx_0_0 = digital.clock_recovery_mm_ff(
samp_per_sym * (1 + 0.0), 0.25 * 0.175 * 0.175, 0.5, 0.175, 0.005)
self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff(
samp_per_sym * (1 + 0.0), 0.25 * 0.175 * 0.175, 0.5, 0.175, 0.005)
self.digital_binary_slicer_fb_0_0 = digital.binary_slicer_fb()
self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1,
samp_rate * 4, True)
self.blocks_socket_pdu_0 = blocks.socket_pdu("TCP_SERVER", '', '52001',
10000, False)
self.blocks_multiply_xx_1 = blocks.multiply_vcc(1)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_message_debug_0_1 = blocks.message_debug()
self.blocks_file_source_0 = blocks.file_source(
gr.sizeof_gr_complex * 1,
'/home/zleffke/workspace/captures/ais/ais_20161218_250k_2.32fc',
True)
self.analog_sig_source_x_1 = analog.sig_source_c(
samp_rate, analog.GR_COS_WAVE, 25e3 + 400, 1, 0)
self.analog_sig_source_x_0 = analog.sig_source_c(
samp_rate, analog.GR_COS_WAVE, -25e3 + 400, 1, 0)
self.analog_quadrature_demod_cf_0_0 = analog.quadrature_demod_cf(
(samp_rate / decim) / (2 * math.pi * fsk_deviation / 8.0))
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(
(samp_rate / decim) / (2 * math.pi * fsk_deviation / 8.0))
self.analog_agc2_xx_0_0 = analog.agc2_cc(1e-3, 1e-1, 1.0, 1.0)
self.analog_agc2_xx_0_0.set_max_gain(65536)
self.analog_agc2_xx_0 = analog.agc2_cc(1e-3, 1e-1, 1.0, 1.0)
self.analog_agc2_xx_0.set_max_gain(65536)
self.ais_pdu_to_nmea_0_0 = ais.pdu_to_nmea('B')
self.ais_pdu_to_nmea_0 = ais.pdu_to_nmea('A')
self.ais_invert_0_0 = ais.invert()
self.ais_invert_0 = ais.invert()
##################################################
# Connections
##################################################
self.msg_connect((self.ais_pdu_to_nmea_0, 'out'),
(self.blocks_message_debug_0_1, 'print'))
self.msg_connect((self.ais_pdu_to_nmea_0, 'out'),
(self.blocks_message_debug_0_1, 'print_pdu'))
self.msg_connect((self.ais_pdu_to_nmea_0, 'out'),
(self.blocks_socket_pdu_0, 'pdus'))
self.msg_connect((self.ais_pdu_to_nmea_0, 'out'),
(self.pyqt_text_output_0_0, 'pdus'))
self.msg_connect((self.ais_pdu_to_nmea_0_0, 'out'),
(self.blocks_message_debug_0_1, 'print'))
self.msg_connect((self.ais_pdu_to_nmea_0_0, 'out'),
(self.blocks_message_debug_0_1, 'print_pdu'))
self.msg_connect((self.ais_pdu_to_nmea_0_0, 'out'),
(self.blocks_socket_pdu_0, 'pdus'))
self.msg_connect((self.ais_pdu_to_nmea_0_0, 'out'),
(self.pyqt_text_output_0, 'pdus'))
self.msg_connect((self.digital_hdlc_deframer_bp_0, 'out'),
(self.ais_pdu_to_nmea_0, 'to_nmea'))
self.msg_connect((self.digital_hdlc_deframer_bp_0_0, 'out'),
(self.ais_pdu_to_nmea_0_0, 'to_nmea'))
self.connect((self.ais_invert_0, 0),
(self.digital_hdlc_deframer_bp_0, 0))
self.connect((self.ais_invert_0_0, 0),
(self.digital_hdlc_deframer_bp_0_0, 0))
self.connect((self.analog_agc2_xx_0, 0),
(self.analog_quadrature_demod_cf_0_0, 0))
self.connect((self.analog_agc2_xx_0, 0), (self.qtgui_freq_sink_x_0, 0))
self.connect((self.analog_agc2_xx_0, 0),
(self.qtgui_waterfall_sink_x_0, 0))
self.connect((self.analog_agc2_xx_0_0, 0),
(self.analog_quadrature_demod_cf_0, 0))
self.connect((self.analog_agc2_xx_0_0, 0),
(self.qtgui_freq_sink_x_0, 1))
self.connect((self.analog_agc2_xx_0_0, 0),
(self.qtgui_waterfall_sink_x_0_0, 0))
self.connect((self.analog_quadrature_demod_cf_0, 0),
(self.rational_resampler_xxx_0, 0))
self.connect((self.analog_quadrature_demod_cf_0_0, 0),
(self.rational_resampler_xxx_0_0, 0))
self.connect((self.analog_sig_source_x_0, 0),
(self.blocks_multiply_xx_0, 1))
self.connect((self.analog_sig_source_x_1, 0),
(self.blocks_multiply_xx_1, 0))
self.connect((self.blocks_file_source_0, 0),
(self.blocks_throttle_0, 0))
self.connect((self.blocks_multiply_xx_0, 0),
(self.low_pass_filter_0_0, 0))
self.connect((self.blocks_multiply_xx_1, 0),
(self.low_pass_filter_0, 0))
self.connect((self.blocks_throttle_0, 0),
(self.blocks_multiply_xx_0, 0))
self.connect((self.blocks_throttle_0, 0),
(self.blocks_multiply_xx_1, 1))
self.connect((self.digital_binary_slicer_fb_0, 0),
(self.digital_diff_decoder_bb_0, 0))
self.connect((self.digital_binary_slicer_fb_0_0, 0),
(self.digital_diff_decoder_bb_0_0, 0))
self.connect((self.digital_clock_recovery_mm_xx_0, 0),
(self.digital_binary_slicer_fb_0, 0))
self.connect((self.digital_clock_recovery_mm_xx_0_0, 0),
(self.digital_binary_slicer_fb_0_0, 0))
self.connect((self.digital_diff_decoder_bb_0, 0),
(self.ais_invert_0, 0))
self.connect((self.digital_diff_decoder_bb_0_0, 0),
(self.ais_invert_0_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.analog_agc2_xx_0, 0))
self.connect((self.low_pass_filter_0_0, 0),
(self.analog_agc2_xx_0_0, 0))
self.connect((self.rational_resampler_xxx_0, 0),
(self.digital_clock_recovery_mm_xx_0, 0))
self.connect((self.rational_resampler_xxx_0_0, 0),
(self.digital_clock_recovery_mm_xx_0_0, 0))
def __init__(self,
antenna="",
bb_freq=0.0,
bw=0.0,
dc_removal="False",
decoded_data_file_path="/tmp/.satnogs/data/data",
dev_args="",
deviation=5e3,
doppler_correction_per_sec=20,
enable_iq_dump=0,
file_path="test.wav",
gain=0.0,
gain_mode="Overall",
iq_file_path="/tmp/iq.dat",
lo_offset=100e3,
max_modulation_freq=3e3,
other_settings="",
ppm=0,
rigctl_port=4532,
rx_freq=100e6,
samp_rate_rx=0.0,
soapy_rx_device="driver=invalid",
stream_args="",
tune_args="",
udp_IP="127.0.0.1",
udp_dump_dest='127.0.0.1',
udp_dump_port=7355,
udp_port=16887,
waterfall_file_path="/tmp/waterfall.dat"):
gr.top_block.__init__(self, "satnogs_fm")
##################################################
# Parameters
##################################################
self.antenna = antenna
self.bb_freq = bb_freq
self.bw = bw
self.dc_removal = dc_removal
self.decoded_data_file_path = decoded_data_file_path
self.dev_args = dev_args
self.deviation = deviation
self.doppler_correction_per_sec = doppler_correction_per_sec
self.enable_iq_dump = enable_iq_dump
self.file_path = file_path
self.gain = gain
self.gain_mode = gain_mode
self.iq_file_path = iq_file_path
self.lo_offset = lo_offset
self.max_modulation_freq = max_modulation_freq
self.other_settings = other_settings
self.ppm = ppm
self.rigctl_port = rigctl_port
self.rx_freq = rx_freq
self.samp_rate_rx = samp_rate_rx
self.soapy_rx_device = soapy_rx_device
self.stream_args = stream_args
self.tune_args = tune_args
self.udp_IP = udp_IP
self.udp_dump_dest = udp_dump_dest
self.udp_dump_port = udp_dump_port
self.udp_port = udp_port
self.waterfall_file_path = waterfall_file_path
##################################################
# Variables
##################################################
self.audio_samp_rate = audio_samp_rate = 48000
self.decimation = decimation = max(
4, satnogs.find_decimation(audio_samp_rate, 2, audio_samp_rate))
##################################################
# Blocks
##################################################
self.soapy_source_0_0 = None
# Make sure that the gain mode is valid
if (gain_mode not in ['Overall', 'Specific', 'Settings Field']):
raise ValueError(
"Wrong gain mode on channel 0. Allowed gain modes: "
"['Overall', 'Specific', 'Settings Field']")
dev = soapy_rx_device
# Stream arguments for every activated stream
tune_args = [tune_args]
settings = [other_settings]
# Setup the device arguments
dev_args = dev_args
self.soapy_source_0_0 = soapy.source(1, dev, dev_args, stream_args,
tune_args, settings, samp_rate_rx,
"fc32")
self.soapy_source_0_0.set_dc_removal(
0, bool(distutils.util.strtobool(dc_removal)))
# Set up DC offset. If set to (0, 0) internally the source block
# will handle the case if no DC offset correction is supported
self.soapy_source_0_0.set_dc_offset(0, 0)
# Setup IQ Balance. If set to (0, 0) internally the source block
# will handle the case if no IQ balance correction is supported
self.soapy_source_0_0.set_iq_balance(0, 0)
self.soapy_source_0_0.set_agc(0, False)
# generic frequency setting should be specified first
self.soapy_source_0_0.set_frequency(0, rx_freq - lo_offset)
self.soapy_source_0_0.set_frequency(0, "BB", bb_freq)
# Setup Frequency correction. If set to 0 internally the source block
# will handle the case if no frequency correction is supported
self.soapy_source_0_0.set_frequency_correction(0, ppm)
self.soapy_source_0_0.set_antenna(0, antenna)
self.soapy_source_0_0.set_bandwidth(0, bw)
if (gain_mode != 'Settings Field'):
# pass is needed, in case the template does not evaluare anything
pass
self.soapy_source_0_0.set_gain(0, gain)
self.satnogs_waterfall_sink_0 = satnogs.waterfall_sink(
audio_samp_rate, rx_freq, 10, 1024, waterfall_file_path, 1)
self.satnogs_tcp_rigctl_msg_source_0 = satnogs.tcp_rigctl_msg_source(
"127.0.0.1", rigctl_port, False,
int(1000.0 / doppler_correction_per_sec) + 1, 1500)
self.satnogs_ogg_encoder_0 = satnogs.ogg_encoder(
file_path, audio_samp_rate, 1.0)
self.satnogs_iq_sink_0 = satnogs.iq_sink(16768, iq_file_path, False,
enable_iq_dump)
self.satnogs_doppler_compensation_0 = satnogs.doppler_compensation(
samp_rate_rx, rx_freq, lo_offset, audio_samp_rate, 1, 0)
self.low_pass_filter_0 = filter.fir_filter_ccf(
1,
firdes.low_pass(1, audio_samp_rate,
deviation + max_modulation_freq, 1000,
firdes.WIN_HAMMING, 6.76))
self.dc_blocker_xx_0_0 = filter.dc_blocker_ff(1024, True)
self.blocks_udp_sink_0_0 = blocks.udp_sink(gr.sizeof_gr_complex * 1,
udp_dump_dest,
udp_dump_port + 1, 1472,
True)
self.blocks_udp_sink_0 = blocks.udp_sink(gr.sizeof_short * 1,
udp_dump_dest, udp_dump_port,
1472, True)
self.blocks_float_to_short_0 = blocks.float_to_short(1, 16383.0)
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(
(2 * math.pi * deviation) / audio_samp_rate)
##################################################
# Connections
##################################################
self.msg_connect((self.satnogs_tcp_rigctl_msg_source_0, 'freq'),
(self.satnogs_doppler_compensation_0, 'doppler'))
self.connect((self.analog_quadrature_demod_cf_0, 0),
(self.dc_blocker_xx_0_0, 0))
self.connect((self.blocks_float_to_short_0, 0),
(self.blocks_udp_sink_0, 0))
self.connect((self.dc_blocker_xx_0_0, 0),
(self.blocks_float_to_short_0, 0))
self.connect((self.dc_blocker_xx_0_0, 0),
(self.satnogs_ogg_encoder_0, 0))
self.connect((self.low_pass_filter_0, 0),
(self.analog_quadrature_demod_cf_0, 0))
self.connect((self.satnogs_doppler_compensation_0, 0),
(self.blocks_udp_sink_0_0, 0))
self.connect((self.satnogs_doppler_compensation_0, 0),
(self.low_pass_filter_0, 0))
self.connect((self.satnogs_doppler_compensation_0, 0),
(self.satnogs_iq_sink_0, 0))
self.connect((self.satnogs_doppler_compensation_0, 0),
(self.satnogs_waterfall_sink_0, 0))
self.connect((self.soapy_source_0_0, 0),
(self.satnogs_doppler_compensation_0, 0))
def _setup_top_block(self):
self.tb = gr.top_block()
samp_rate = 96000
oversample = 10
# Radio receiver, initial downsampling
args = "rtl=%d,buffers=16" % (self.device, )
if self.osmosdr_args:
args += ",%s" % (self.osmosdr_args, )
osmosdr_source = osmosdr.source(args=args)
osmosdr_source.set_sample_rate(samp_rate * oversample)
osmosdr_source.set_center_freq(self.freq, 0)
osmosdr_source.set_freq_corr(0, 0)
osmosdr_source.set_gain_mode(True, 0)
osmosdr_source.set_gain(0, 0)
taps = filter.firdes.low_pass(1, samp_rate * oversample, 90e3, 8e3,
filter.firdes.WIN_HAMMING, 6.76)
low_pass_filter = filter.fir_filter_ccf(oversample, taps)
self.tb.connect((osmosdr_source, 0), (low_pass_filter, 0))
# Squelch
self.noise_probe = analog.probe_avg_mag_sqrd_c(0,
1.0 / samp_rate / 1e2)
self.squelch = analog.simple_squelch_cc(self.noise_level, 1)
noise_probe_thread = threading.Thread(target=self._noise_probe_thread)
noise_probe_thread.start()
self.threads.append(noise_probe_thread)
self.tb.connect((low_pass_filter, 0), (self.noise_probe, 0))
self.tb.connect((low_pass_filter, 0), (self.squelch, 0))
# FM demodulation
quadrature_demod = analog.quadrature_demod_cf(1)
self.tb.connect((self.squelch, 0), (quadrature_demod, 0))
# Binary slicing, transformation into capture-compatible format
add_offset = blocks.add_const_vff((-1e-3, ))
binary_slicer = digital.binary_slicer_fb()
char_to_float = blocks.char_to_float(1, 1)
multiply_const = blocks.multiply_const_vff((255, ))
float_to_uchar = blocks.float_to_uchar()
pipe_sink = blocks.file_sink(gr.sizeof_char * 1, self.pipe)
pipe_sink.set_unbuffered(False)
self.tb.connect((quadrature_demod, 0), (add_offset, 0))
self.tb.connect((add_offset, 0), (binary_slicer, 0))
self.tb.connect((binary_slicer, 0), (char_to_float, 0))
self.tb.connect((char_to_float, 0), (multiply_const, 0))
self.tb.connect((multiply_const, 0), (float_to_uchar, 0))
self.tb.connect((float_to_uchar, 0), (pipe_sink, 0))
def __init__(self,
input_rate=None,
demod_type='cqpsk',
relative_freq=0,
offset=0,
if_rate=_def_if_rate,
gain_mu=_def_gain_mu,
costas_alpha=_def_costas_alpha,
symbol_rate=_def_symbol_rate):
"""
Hierarchical block for P25 demodulation.
The complex input is tuned, decimated and demodulated
@param input_rate: sample rate of complex input channel
@type input_rate: int
"""
gr.hier_block2.__init__(
self,
"p25_demod_cb",
gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature
gr.io_signature(1, 1, gr.sizeof_char)) # Output signature
# gr.io_signature(0, 0, 0)) # Output signature
p25_demod_base.__init__(self, if_rate=if_rate, symbol_rate=symbol_rate)
self.input_rate = input_rate
self.if_rate = if_rate
self.symbol_rate = symbol_rate
self.connect_state = None
self.offset = 0
self.sps = 0.0
self.lo_freq = 0
self.float_sink = None
self.complex_sink = None
# local osc
self.lo = analog.sig_source_c(input_rate, analog.GR_SIN_WAVE, 0, 1.0,
0)
self.mixer = blocks.multiply_cc()
lpf_coeffs = filter.firdes.low_pass(1.0, input_rate, 7250, 725,
filter.firdes.WIN_HANN)
decimation = int(input_rate / if_rate)
self.lpf = filter.fir_filter_ccf(decimation, lpf_coeffs)
resampled_rate = float(input_rate) / float(
decimation) # rate at output of self.lpf
self.arb_resampler = filter.pfb.arb_resampler_ccf(
float(self.if_rate) / resampled_rate)
self.connect(self, (self.mixer, 0))
self.connect(self.lo, (self.mixer, 1))
self.connect(self.mixer, self.lpf, self.arb_resampler)
levels = [-2.0, 0.0, 2.0, 4.0]
self.slicer = op25_repeater.fsk4_slicer_fb(levels)
omega = float(self.if_rate) / float(self.symbol_rate)
gain_omega = 0.1 * gain_mu * gain_mu
alpha = costas_alpha
beta = 0.125 * alpha * alpha
fmax = 2400 # Hz
fmax = 2 * pi * fmax / float(self.if_rate)
self.clock = op25_repeater.gardner_costas_cc(omega, gain_mu,
gain_omega, alpha, beta,
fmax, -fmax)
self.agc = analog.feedforward_agc_cc(16, 1.0)
# Perform Differential decoding on the constellation
self.diffdec = digital.diff_phasor_cc()
# take angle of the difference (in radians)
self.to_float = blocks.complex_to_arg()
# convert from radians such that signal is in -3/-1/+1/+3
self.rescale = blocks.multiply_const_ff((1 / (pi / 4)))
# fm demodulator (needed in fsk4 case)
fm_demod_gain = if_rate / (2.0 * pi * _def_symbol_deviation)
self.fm_demod = analog.quadrature_demod_cf(fm_demod_gain)
self.connect_chain(demod_type)
self.connect(self.slicer, self)
self.set_relative_frequency(relative_freq)
def __init__(self):
gr.top_block.__init__(self, "grc_cc1111_hackrf_receiver")
##################################################
# Variables
##################################################
self.symbole_rate = symbole_rate = 40000
self.samp_rate = samp_rate = 2e06
self.rat_interop = rat_interop = 8
self.rat_decim = rat_decim = 5
self.firdes_transition_width = firdes_transition_width = 15000
self.firdes_decim = firdes_decim = 4
self.firdes_cuttoff = firdes_cuttoff = 21e3
self.samp_per_sym = samp_per_sym = ((samp_rate/2/firdes_decim)*rat_interop/rat_decim) / symbole_rate
self.myqueue_out = myqueue_out = gr.msg_queue(2)
self.frequency_shift = frequency_shift = 520000
self.frequency_center = frequency_center = 869.02e06
self.freq_adjust1 = freq_adjust1 = 0
self.firdes_filter = firdes_filter = firdes.low_pass(1,samp_rate/2, firdes_cuttoff, firdes_transition_width)
self.access_code = access_code = '11010011100100011101001110010001'
##################################################
# Blocks
##################################################
self.rational_resampler_xxx_0_0 = filter.rational_resampler_ccc(
interpolation=rat_interop,
decimation=rat_decim,
taps=None,
fractional_bw=None,
)
self.osmosdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + "hackrf" )
self.osmosdr_source_0.set_sample_rate(samp_rate)
self.osmosdr_source_0.set_center_freq(frequency_center-frequency_shift, 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(10, 0)
self.osmosdr_source_0.set_if_gain(20, 0)
self.osmosdr_source_0.set_bb_gain(20, 0)
self.osmosdr_source_0.set_antenna("", 0)
self.osmosdr_source_0.set_bandwidth(0, 0)
self.freq_xlating_fir_filter_xxx_1 = filter.freq_xlating_fir_filter_ccc(2, (1, ), frequency_shift, samp_rate)
self.freq_xlating_fir_filter_xxx_0_0 = filter.freq_xlating_fir_filter_ccc(firdes_decim, (firdes_filter), freq_adjust1, samp_rate/2)
self.digital_correlate_access_code_bb_0_0 = digital.correlate_access_code_bb(access_code, 1)
self.digital_clock_recovery_mm_xx_0_0 = digital.clock_recovery_mm_ff(samp_per_sym*(1+0.0), 0.25*0.175*0.175, 0.5, 0.175, 0.005)
self.digital_binary_slicer_fb_0_0_0 = digital.binary_slicer_fb()
self.cc1111_cc1111_packet_decoder_0 = cc1111.cc1111_packet_decoder(myqueue_out,True, True, False, True)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate/2,True)
self.blocks_null_sink_0_0 = blocks.null_sink(gr.sizeof_char*1)
self.analog_quadrature_demod_cf_0_0 = analog.quadrature_demod_cf(2)
##################################################
# Connections
##################################################
self.connect((self.blocks_throttle_0, 0), (self.freq_xlating_fir_filter_xxx_0_0, 0))
self.connect((self.digital_binary_slicer_fb_0_0_0, 0), (self.digital_correlate_access_code_bb_0_0, 0))
self.connect((self.analog_quadrature_demod_cf_0_0, 0), (self.digital_clock_recovery_mm_xx_0_0, 0))
self.connect((self.rational_resampler_xxx_0_0, 0), (self.analog_quadrature_demod_cf_0_0, 0))
self.connect((self.digital_clock_recovery_mm_xx_0_0, 0), (self.digital_binary_slicer_fb_0_0_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0_0, 0), (self.rational_resampler_xxx_0_0, 0))
self.connect((self.osmosdr_source_0, 0), (self.freq_xlating_fir_filter_xxx_1, 0))
self.connect((self.freq_xlating_fir_filter_xxx_1, 0), (self.blocks_throttle_0, 0))
self.connect((self.digital_correlate_access_code_bb_0_0, 0), (self.cc1111_cc1111_packet_decoder_0, 0))
self.connect((self.cc1111_cc1111_packet_decoder_0, 0), (self.blocks_null_sink_0_0, 0))
def __init__(self, antenna=satnogs.not_set_antenna, bb_gain=satnogs.not_set_rx_bb_gain, decoded_data_file_path='/home/mocha/.satnogs/data/data', dev_args='rtl=00000002', doppler_correction_per_sec=20, enable_iq_dump=0, file_path='/home/mocha/Desktop/test.ogg', flip_images=0, if_gain=satnogs.not_set_rx_if_gain, iq_file_path='/tmp/iq.dat', lo_offset=100e3, ppm=0, rf_gain=satnogs.not_set_rx_rf_gain, rigctl_port=4532, rx_freq=137812000, rx_sdr_device='rtlsdr', sync=1):
gr.top_block.__init__(self, "APT Generic Demodulation")
##################################################
# Parameters
##################################################
self.antenna = antenna
self.bb_gain = bb_gain
self.decoded_data_file_path = decoded_data_file_path
self.dev_args = dev_args
self.doppler_correction_per_sec = doppler_correction_per_sec
self.enable_iq_dump = enable_iq_dump
self.file_path = file_path
self.flip_images = flip_images
self.if_gain = if_gain
self.iq_file_path = iq_file_path
self.lo_offset = lo_offset
self.ppm = ppm
self.rf_gain = rf_gain
self.rigctl_port = rigctl_port
self.rx_freq = rx_freq
self.rx_sdr_device = rx_sdr_device
self.sync = sync
##################################################
# Variables
##################################################
self.samp_rate_rx = samp_rate_rx = satnogs.hw_rx_settings[rx_sdr_device]['samp_rate']
self.xlate_filter_taps = xlate_filter_taps = firdes.low_pass(1, samp_rate_rx, 125000, 25000, firdes.WIN_HAMMING, 6.76)
self.taps = taps = firdes.low_pass(12.0, samp_rate_rx, 100e3, 60000, firdes.WIN_HAMMING, 6.76)
self.initial_bandwidth = initial_bandwidth = 100e3
self.first_stage_filter_taps = first_stage_filter_taps = firdes.low_pass(1.0, 1.0, 0.2, 0.1, firdes.WIN_HAMMING, 6.76)
self.first_stage_decimation = first_stage_decimation = 4
self.filter_rate = filter_rate = 250000
self.deviation = deviation = 17000
self.audio_samp_rate = audio_samp_rate = 48000
self.audio_decimation = audio_decimation = 2
##################################################
# Blocks
##################################################
self.satnogs_noaa_apt_sink_0 = satnogs.noaa_apt_sink('/tmp/.satnogs/data/test-2.png', 2080, 1800, bool(sync), bool(flip_images))
self.rational_resampler_xxx_1_0 = filter.rational_resampler_fff(
interpolation=int(samp_rate_rx/ ( first_stage_decimation * int(samp_rate_rx/ first_stage_decimation / initial_bandwidth)) / audio_decimation),
decimation=48000,
taps=None,
fractional_bw=None,
)
self.rational_resampler_xxx_0 = filter.rational_resampler_fff(
interpolation=1,
decimation=2,
taps=None,
fractional_bw=None,
)
self.rational_resampler_3 = filter.rational_resampler_fff(
interpolation=1,
decimation=4,
taps=None,
fractional_bw=None,
)
self.rational_resampler_2 = filter.rational_resampler_fff(
interpolation=4*4160,
decimation=int((samp_rate_rx/ ( first_stage_decimation * int(samp_rate_rx/ first_stage_decimation / initial_bandwidth)) / audio_decimation)/2),
taps=None,
fractional_bw=None,
)
self.hilbert_fc_0 = filter.hilbert_fc(65, firdes.WIN_HAMMING, 6.76)
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(int(samp_rate_rx/filter_rate), (xlate_filter_taps), lo_offset, samp_rate_rx)
self.fir_filter_xxx_1 = filter.fir_filter_fff(2, ([0.5, 0.5]))
self.fir_filter_xxx_1.declare_sample_delay(0)
self.blocks_uchar_to_float_1 = blocks.uchar_to_float()
self.blocks_uchar_to_float_0 = blocks.uchar_to_float()
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate_rx,True)
self.blocks_multiply_const_vxx_1 = blocks.multiply_const_vff((0.008, ))
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((0.008, ))
self.blocks_float_to_complex_0 = blocks.float_to_complex(1)
self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char*1, '/home/mocha/Desktop/1912_December/iq_NOAA_18_20191016T101359_137812000Hz_IQ.wav', False)
self.blocks_file_source_0.set_begin_tag(pmt.PMT_NIL)
self.blocks_deinterleave_0 = blocks.deinterleave(gr.sizeof_char*1, 1)
self.blocks_complex_to_mag_0 = blocks.complex_to_mag(1)
self.blocks_add_const_vxx_1 = blocks.add_const_vff((-127, ))
self.blocks_add_const_vxx_0 = blocks.add_const_vff((127, ))
self.blks2_rational_resampler_xxx_1 = filter.rational_resampler_ccc(
interpolation=48,
decimation=125,
taps=None,
fractional_bw=None,
)
self.band_pass_filter_0_0 = filter.fir_filter_fff(1, firdes.band_pass(
6, samp_rate_rx/ ( first_stage_decimation * int(samp_rate_rx/ first_stage_decimation / initial_bandwidth)) / audio_decimation, 500, 4.2e3, 200, firdes.WIN_HAMMING, 6.76))
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf((2*math.pi*deviation)/96000)
##################################################
# Connections
##################################################
self.connect((self.analog_quadrature_demod_cf_0, 0), (self.rational_resampler_xxx_0, 0))
self.connect((self.band_pass_filter_0_0, 0), (self.fir_filter_xxx_1, 0))
self.connect((self.blks2_rational_resampler_xxx_1, 0), (self.analog_quadrature_demod_cf_0, 0))
self.connect((self.blocks_add_const_vxx_0, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self.blocks_add_const_vxx_1, 0), (self.blocks_multiply_const_vxx_1, 0))
self.connect((self.blocks_complex_to_mag_0, 0), (self.rational_resampler_3, 0))
self.connect((self.blocks_deinterleave_0, 0), (self.blocks_uchar_to_float_0, 0))
self.connect((self.blocks_deinterleave_0, 1), (self.blocks_uchar_to_float_1, 0))
self.connect((self.blocks_file_source_0, 0), (self.blocks_deinterleave_0, 0))
self.connect((self.blocks_float_to_complex_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.blocks_float_to_complex_0, 0))
self.connect((self.blocks_multiply_const_vxx_1, 0), (self.blocks_float_to_complex_0, 1))
self.connect((self.blocks_throttle_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
self.connect((self.blocks_uchar_to_float_0, 0), (self.blocks_add_const_vxx_0, 0))
self.connect((self.blocks_uchar_to_float_1, 0), (self.blocks_add_const_vxx_1, 0))
self.connect((self.fir_filter_xxx_1, 0), (self.rational_resampler_2, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.blks2_rational_resampler_xxx_1, 0))
self.connect((self.hilbert_fc_0, 0), (self.blocks_complex_to_mag_0, 0))
self.connect((self.rational_resampler_2, 0), (self.hilbert_fc_0, 0))
self.connect((self.rational_resampler_3, 0), (self.satnogs_noaa_apt_sink_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.rational_resampler_xxx_1_0, 0))
self.connect((self.rational_resampler_xxx_1_0, 0), (self.band_pass_filter_0_0, 0))
def __init__(self, mode='VOR', zero_point=59, **kwargs):
self.channel_rate = channel_rate = 40000
internal_audio_rate = 20000 # TODO over spec'd
self.zero_point = zero_point
transition = 5000
SimpleAudioDemodulator.__init__(self,
mode=mode,
audio_rate=internal_audio_rate,
demod_rate=channel_rate,
band_filter=fm_subcarrier * 1.25 +
fm_deviation + transition / 2,
band_filter_transition=transition,
**kwargs)
self.dir_rate = dir_rate = 10
if internal_audio_rate % dir_rate != 0:
raise ValueError(
'Audio rate %s is not a multiple of direction-finding rate %s'
% (internal_audio_rate, dir_rate))
self.dir_scale = dir_scale = internal_audio_rate // dir_rate
self.audio_scale = audio_scale = channel_rate // internal_audio_rate
self.zeroer = blocks.add_const_vff((zero_point * (math.pi / 180), ))
self.dir_vector_filter = grfilter.fir_filter_ccf(
1, firdes.low_pass(1, dir_rate, 1, 2, firdes.WIN_HAMMING, 6.76))
self.am_channel_filter_block = grfilter.fir_filter_ccf(
1,
firdes.low_pass(1, channel_rate, 5000, 5000, firdes.WIN_HAMMING,
6.76))
self.goertzel_fm = fft.goertzel_fc(channel_rate,
dir_scale * audio_scale, 30)
self.goertzel_am = fft.goertzel_fc(internal_audio_rate, dir_scale, 30)
self.fm_channel_filter_block = grfilter.freq_xlating_fir_filter_ccc(
1, (firdes.low_pass(1.0, channel_rate, fm_subcarrier / 2,
fm_subcarrier / 2, firdes.WIN_HAMMING)),
fm_subcarrier, channel_rate)
self.multiply_conjugate_block = blocks.multiply_conjugate_cc(1)
self.complex_to_arg_block = blocks.complex_to_arg(1)
self.am_agc_block = analog.feedforward_agc_cc(1024, 1.0)
self.am_demod_block = analog.am_demod_cf(
channel_rate=channel_rate,
audio_decim=audio_scale,
audio_pass=5000,
audio_stop=5500,
)
self.fm_demod_block = analog.quadrature_demod_cf(1)
self.phase_agc_fm = analog.agc2_cc(1e-1, 1e-2, 1.0, 1.0)
self.phase_agc_am = analog.agc2_cc(1e-1, 1e-2, 1.0, 1.0)
self.probe = blocks.probe_signal_f()
self.audio_filter_block = grfilter.fir_filter_fff(
1, design_lofi_audio_filter(internal_audio_rate, False))
##################################################
# Connections
##################################################
# Input
self.connect(self, self.band_filter_block)
# AM chain
self.connect(self.band_filter_block, self.am_channel_filter_block,
self.am_agc_block, self.am_demod_block)
# AM audio
self.connect(
self.am_demod_block,
blocks.multiply_const_ff(1.0 / audio_modulation_index * 0.5),
self.audio_filter_block)
self.connect_audio_output(self.audio_filter_block)
# AM phase
self.connect(self.am_demod_block, self.goertzel_am, self.phase_agc_am,
(self.multiply_conjugate_block, 0))
# FM phase
self.connect(self.band_filter_block, self.fm_channel_filter_block,
self.fm_demod_block, self.goertzel_fm, self.phase_agc_fm,
(self.multiply_conjugate_block, 1))
# Phase comparison and output
self.connect(
self.multiply_conjugate_block,
self.dir_vector_filter,
self.complex_to_arg_block,
blocks.multiply_const_ff(-1), # opposite angle conventions
self.zeroer,
self.probe)
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, rx_freq=401.5e6, rx_offset=250e3):
gr.top_block.__init__(self, "VCC Simple Downlink Receiver")
Qt.QWidget.__init__(self)
self.setWindowTitle("VCC Simple Downlink Receiver")
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", "fsk_rx_uhd")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Parameters
##################################################
self.rx_freq = rx_freq
self.rx_offset = rx_offset
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 250000
self.interp = interp = 24
self.decim = decim = 25 * 5
self.baud = baud = 9600
self.samps_per_symb = samps_per_symb = (samp_rate / decim *
interp) / baud
self.rx_gain = rx_gain = 0
self.rx_correct = rx_correct = -300
self.lpf_trans = lpf_trans = 1e3
self.lpf_cutoff = lpf_cutoff = 12.5e3
self.fsk_dev = fsk_dev = 10000
##################################################
# Blocks
##################################################
self._rx_gain_range = Range(0, 86, 1, 0, 200)
self._rx_gain_win = RangeWidget(self._rx_gain_range, self.set_rx_gain,
'RX Gain', "counter_slider", float)
self.top_grid_layout.addWidget(self._rx_gain_win, 4, 0, 1, 4)
self._rx_correct_range = Range(-10000, 10000, 1, -300, 200)
self._rx_correct_win = RangeWidget(self._rx_correct_range,
self.set_rx_correct, "rx_correct",
"counter_slider", float)
self.top_grid_layout.addWidget(self._rx_correct_win, 5, 0, 1, 4)
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(
uhd.tune_request(rx_freq + rx_correct, rx_offset), 0)
self.uhd_usrp_source_0.set_gain(rx_gain, 0)
self.uhd_usrp_source_0.set_antenna('TX/RX', 0)
self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=interp,
decimation=decim,
taps=None,
fractional_bw=None,
)
self.qtgui_freq_sink_x_1_0 = qtgui.freq_sink_c(
2048, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate / decim * interp, #bw
"RX Spectrum", #name
2 #number of inputs
)
self.qtgui_freq_sink_x_1_0.set_update_time(0.010)
self.qtgui_freq_sink_x_1_0.set_y_axis(-150, 0)
self.qtgui_freq_sink_x_1_0.set_y_label('Relative Gain', 'dB')
self.qtgui_freq_sink_x_1_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0,
0, "")
self.qtgui_freq_sink_x_1_0.enable_autoscale(False)
self.qtgui_freq_sink_x_1_0.enable_grid(True)
self.qtgui_freq_sink_x_1_0.set_fft_average(1.0)
self.qtgui_freq_sink_x_1_0.enable_axis_labels(True)
self.qtgui_freq_sink_x_1_0.enable_control_panel(False)
if not False:
self.qtgui_freq_sink_x_1_0.disable_legend()
if "complex" == "float" or "complex" == "msg_float":
self.qtgui_freq_sink_x_1_0.set_plot_pos_half(not True)
labels = ['', '', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "dark blue"
]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(2):
if len(labels[i]) == 0:
self.qtgui_freq_sink_x_1_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_1_0.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_1_0.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_1_0.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_1_0.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_1_0_win = sip.wrapinstance(
self.qtgui_freq_sink_x_1_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_1_0_win, 0, 0,
4, 4)
self.pyqt_text_output_0 = pyqt.text_output()
self._pyqt_text_output_0_win = self.pyqt_text_output_0
self.top_grid_layout.addWidget(self._pyqt_text_output_0_win, 6, 0, 2,
4)
self.low_pass_filter_0 = filter.fir_filter_ccf(
1,
firdes.low_pass(1, samp_rate / decim * interp, lpf_cutoff,
lpf_trans, firdes.WIN_HAMMING, 6.76))
self.kiss_pdu_to_kiss_0 = kiss.pdu_to_kiss()
self.kiss_nrzi_decode_0 = kiss.nrzi_decode()
self.kiss_hdlc_deframer_0 = kiss.hdlc_deframer(check_fcs=True,
max_length=300)
self.digital_descrambler_bb_0 = digital.descrambler_bb(0x21, 0, 16)
self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff(
samps_per_symb * (1 + 0.0), 0.25 * 0.175 * 0.175, 0.25, 0.175,
0.005)
self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
self.blocks_socket_pdu_0_2_0 = blocks.socket_pdu(
"TCP_SERVER", '0.0.0.0', '8001', 1024, False)
self.analog_quadrature_demod_cf_1 = analog.quadrature_demod_cf(
(samp_rate / decim * interp) / (2 * math.pi * fsk_dev / 8.0))
self.analog_agc2_xx_0 = analog.agc2_cc(1e-1, 1e-2, 1.0, 1.0)
self.analog_agc2_xx_0.set_max_gain(65536)
##################################################
# Connections
##################################################
self.msg_connect((self.kiss_hdlc_deframer_0, 'out'),
(self.kiss_pdu_to_kiss_0, 'in'))
self.msg_connect((self.kiss_pdu_to_kiss_0, 'out'),
(self.blocks_socket_pdu_0_2_0, 'pdus'))
self.msg_connect((self.kiss_pdu_to_kiss_0, 'out'),
(self.pyqt_text_output_0, 'pdus'))
self.connect((self.analog_agc2_xx_0, 0), (self.low_pass_filter_0, 0))
self.connect((self.analog_quadrature_demod_cf_1, 0),
(self.digital_clock_recovery_mm_xx_0, 0))
self.connect((self.digital_binary_slicer_fb_0, 0),
(self.digital_descrambler_bb_0, 0))
self.connect((self.digital_clock_recovery_mm_xx_0, 0),
(self.digital_binary_slicer_fb_0, 0))
self.connect((self.digital_descrambler_bb_0, 0),
(self.kiss_nrzi_decode_0, 0))
self.connect((self.kiss_nrzi_decode_0, 0),
(self.kiss_hdlc_deframer_0, 0))
self.connect((self.low_pass_filter_0, 0),
(self.analog_quadrature_demod_cf_1, 0))
self.connect((self.low_pass_filter_0, 0),
(self.qtgui_freq_sink_x_1_0, 1))
self.connect((self.rational_resampler_xxx_0, 0),
(self.analog_agc2_xx_0, 0))
self.connect((self.rational_resampler_xxx_0, 0),
(self.qtgui_freq_sink_x_1_0, 0))
self.connect((self.uhd_usrp_source_0, 0),
(self.rational_resampler_xxx_0, 0))
def __init__(self):
grc_wxgui.top_block_gui.__init__(
self, title="Verisure (Securitas Direct) - demodulator")
##################################################
# Variables
##################################################
self.symbole_rate = symbole_rate = 38450
self.samp_rate = samp_rate = 2.0e06
self.rat_interop = rat_interop = 8
self.rat_decim = rat_decim = 5
self.frequency_tune = frequency_tune = 17.22e3
self.frequency_shift = frequency_shift = 0.52e06
self.frequency_center = frequency_center = 868.5e06
self.firdes_transition_width = firdes_transition_width = 15000
self.firdes_decim = firdes_decim = 4
self.firdes_cutoff = firdes_cutoff = 21e3
self.samp_per_sym = samp_per_sym = (
(samp_rate / 2 / firdes_decim) * rat_interop /
rat_decim) / symbole_rate
self.rf_gain = rf_gain = 0
self.myqueue = myqueue = gr.msg_queue(200)
self.if_gain = if_gain = 20
self.frequency = frequency = frequency_center + frequency_shift + frequency_tune
self.freq_display = freq_display = frequency_center + frequency_shift + frequency_tune
self.firdes_filter = firdes_filter = firdes.low_pass(
1, samp_rate / 2, firdes_cutoff, firdes_transition_width)
self.fft_sp = fft_sp = 50000
self.crc_verbose = crc_verbose = False
self.bb_gain = bb_gain = 20
self.access_code = access_code = '11010011100100011101001110010001'
##################################################
# Blocks
##################################################
_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=14,
num_steps=15,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_rf_gain_sizer, 0, 0, 1, 1)
_if_gain_sizer = wx.BoxSizer(wx.VERTICAL)
self._if_gain_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_if_gain_sizer,
value=self.if_gain,
callback=self.set_if_gain,
label="IF Gain",
converter=forms.float_converter(),
proportion=0,
)
self._if_gain_slider = forms.slider(
parent=self.GetWin(),
sizer=_if_gain_sizer,
value=self.if_gain,
callback=self.set_if_gain,
minimum=0,
maximum=30,
num_steps=31,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_if_gain_sizer, 0, 1, 1, 1)
_frequency_tune_sizer = wx.BoxSizer(wx.VERTICAL)
self._frequency_tune_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_frequency_tune_sizer,
value=self.frequency_tune,
callback=self.set_frequency_tune,
label="Frequency Tuning",
converter=forms.float_converter(),
proportion=0,
)
self._frequency_tune_slider = forms.slider(
parent=self.GetWin(),
sizer=_frequency_tune_sizer,
value=self.frequency_tune,
callback=self.set_frequency_tune,
minimum=-30e3,
maximum=30e3,
num_steps=1000,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_frequency_tune_sizer, 0, 3, 1, 1)
_bb_gain_sizer = wx.BoxSizer(wx.VERTICAL)
self._bb_gain_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_bb_gain_sizer,
value=self.bb_gain,
callback=self.set_bb_gain,
label="BB Gain",
converter=forms.float_converter(),
proportion=0,
)
self._bb_gain_slider = forms.slider(
parent=self.GetWin(),
sizer=_bb_gain_sizer,
value=self.bb_gain,
callback=self.set_bb_gain,
minimum=0,
maximum=30,
num_steps=31,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_bb_gain_sizer, 0, 2, 1, 1)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.GetWin(),
baseband_freq=frequency_center + frequency_shift + frequency_tune,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=fft_sp,
fft_size=512,
fft_rate=15,
average=False,
avg_alpha=None,
title="FFT",
peak_hold=True,
)
self.GridAdd(self.wxgui_fftsink2_0.win, 2, 0, 1, 4)
self.rational_resampler_xxx_0_0 = filter.rational_resampler_ccc(
interpolation=rat_interop,
decimation=rat_decim,
taps=None,
fractional_bw=None,
)
self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=1,
decimation=int(samp_rate / 2 / fft_sp),
taps=None,
fractional_bw=None,
)
self.osmosdr_source_0 = osmosdr.source(args="numchan=" + str(1) + " " +
"hackrf=0")
self.osmosdr_source_0.set_sample_rate(samp_rate)
self.osmosdr_source_0.set_center_freq(frequency_center, 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(rf_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.freq_xlating_fir_filter_xxx_1 = filter.freq_xlating_fir_filter_ccc(
2, (1, ), frequency_shift + frequency_tune, samp_rate)
self.freq_xlating_fir_filter_xxx_0_0 = filter.freq_xlating_fir_filter_ccc(
firdes_decim, (firdes_filter), 0, samp_rate / 2)
self._freq_display_static_text = forms.static_text(
parent=self.GetWin(),
value=self.freq_display,
callback=self.set_freq_display,
label="Current Frequency",
converter=forms.float_converter(),
)
self.GridAdd(self._freq_display_static_text, 1, 0, 1, 4)
self.digital_correlate_access_code_bb_0_0 = digital.correlate_access_code_bb(
access_code, 1)
self.digital_clock_recovery_mm_xx_0_0 = digital.clock_recovery_mm_ff(
samp_per_sym * (1 + 0.0), 0.25 * 0.175 * 0.175, 0.5, 0.175, 0.005)
self.digital_binary_slicer_fb_0_0_0 = digital.binary_slicer_fb()
self.cc1111_cc1111_packet_decoder_0 = cc1111.cc1111_packet_decoder(
myqueue, True, True, False, False)
self.blocks_null_sink_0_0 = blocks.null_sink(gr.sizeof_char * 1)
self.analog_quadrature_demod_cf_0_0 = analog.quadrature_demod_cf(2)
##################################################
# Connections
##################################################
self.connect((self.rational_resampler_xxx_0_0, 0),
(self.analog_quadrature_demod_cf_0_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0_0, 0),
(self.rational_resampler_xxx_0_0, 0))
self.connect((self.digital_binary_slicer_fb_0_0_0, 0),
(self.digital_correlate_access_code_bb_0_0, 0))
self.connect((self.digital_clock_recovery_mm_xx_0_0, 0),
(self.digital_binary_slicer_fb_0_0_0, 0))
self.connect((self.digital_correlate_access_code_bb_0_0, 0),
(self.cc1111_cc1111_packet_decoder_0, 0))
self.connect((self.cc1111_cc1111_packet_decoder_0, 0),
(self.blocks_null_sink_0_0, 0))
self.connect((self.analog_quadrature_demod_cf_0_0, 0),
(self.digital_clock_recovery_mm_xx_0_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_1, 0),
(self.freq_xlating_fir_filter_xxx_0_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_1, 0),
(self.rational_resampler_xxx_0, 0))
self.connect((self.rational_resampler_xxx_0, 0),
(self.wxgui_fftsink2_0, 0))
self.connect((self.osmosdr_source_0, 0),
(self.freq_xlating_fir_filter_xxx_1, 0))
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="VA3RFT")
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 1920000
self.offset = offset = 50000
self.gain = gain = 40
self.fsk_deviation_hz = fsk_deviation_hz = 8000
self.freq = freq = 444475000
self.corr = corr = 0
##################################################
# Blocks
##################################################
_gain_sizer = wx.BoxSizer(wx.VERTICAL)
self._gain_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_gain_sizer,
value=self.gain,
callback=self.set_gain,
label='RX gain',
converter=forms.float_converter(),
proportion=0,
)
self._gain_slider = forms.slider(
parent=self.GetWin(),
sizer=_gain_sizer,
value=self.gain,
callback=self.set_gain,
minimum=0,
maximum=49.6,
num_steps=124,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_gain_sizer)
_corr_sizer = wx.BoxSizer(wx.VERTICAL)
self._corr_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_corr_sizer,
value=self.corr,
callback=self.set_corr,
label='Freq. correction',
converter=forms.float_converter(),
proportion=0,
)
self._corr_slider = forms.slider(
parent=self.GetWin(),
sizer=_corr_sizer,
value=self.corr,
callback=self.set_corr,
minimum=-150,
maximum=150,
num_steps=300,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_corr_sizer)
self.wxgui_waterfallsink2_1 = waterfallsink2.waterfall_sink_c(
self.GetWin(),
baseband_freq=0,
dynamic_range=50,
ref_level=-20,
ref_scale=2.0,
sample_rate=48000,
fft_size=512,
fft_rate=3,
average=False,
avg_alpha=None,
title='Waterfall Plot',
)
self.Add(self.wxgui_waterfallsink2_1.win)
self.wxgui_scopesink2_0 = scopesink2.scope_sink_f(
self.GetWin(),
title='Scope Plot',
sample_rate=48000,
v_scale=0.25,
v_offset=0,
t_scale=0.001,
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.osmosdr_source_0 = osmosdr.source(args="numchan=" + str(1) + " " +
'')
self.osmosdr_source_0.set_sample_rate(samp_rate)
self.osmosdr_source_0.set_center_freq(freq - offset, 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(0, 0)
self.osmosdr_source_0.set_gain_mode(False, 0)
self.osmosdr_source_0.set_gain(gain, 0)
self.osmosdr_source_0.set_if_gain(20, 0)
self.osmosdr_source_0.set_bb_gain(20, 0)
self.osmosdr_source_0.set_antenna('', 0)
self.osmosdr_source_0.set_bandwidth(0, 0)
self.low_pass_filter_1 = filter.fir_filter_fff(
1, firdes.low_pass(1, 48000, 8000, 2000, firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_0 = filter.fir_filter_ccf(
40,
firdes.low_pass(20, samp_rate, 3500, 2000, firdes.WIN_HAMMING,
6.76))
self.dsd_block_ff_0 = dsd.dsd_block_ff(dsd.dsd_FRAME_DMR_MOTOTRBO,
dsd.dsd_MOD_AUTO_SELECT, 3,
True, 2)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.audio_sink_0 = audio.sink(8000, '', True)
self.analog_sig_source_x_0 = analog.sig_source_c(
samp_rate, analog.GR_COS_WAVE, -offset, 1, 0)
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(1)
##################################################
# Connections
##################################################
self.connect((self.analog_quadrature_demod_cf_0, 0),
(self.low_pass_filter_1, 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_0, 0))
self.connect((self.dsd_block_ff_0, 0), (self.audio_sink_0, 0))
self.connect((self.low_pass_filter_0, 0),
(self.analog_quadrature_demod_cf_0, 0))
self.connect((self.low_pass_filter_0, 0),
(self.wxgui_waterfallsink2_1, 0))
self.connect((self.low_pass_filter_1, 0), (self.dsd_block_ff_0, 0))
self.connect((self.low_pass_filter_1, 0), (self.wxgui_scopesink2_0, 0))
self.connect((self.osmosdr_source_0, 0),
(self.blocks_multiply_xx_0, 0))
def __init__(self,
input_rate = None,
demod_type = 'cqpsk',
filter_type = None,
excess_bw = _def_excess_bw,
relative_freq = 0,
offset = 0,
if_rate = _def_if_rate,
gain_mu = _def_gain_mu,
costas_alpha = _def_costas_alpha,
symbol_rate = _def_symbol_rate):
"""
Hierarchical block for P25 demodulation.
The complex input is tuned, decimated and demodulated
@param input_rate: sample rate of complex input channel
@type input_rate: int
"""
gr.hier_block2.__init__(self, "p25_demod_cb",
gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature
gr.io_signature(1, 1, gr.sizeof_char)) # Output signature
# gr.io_signature(0, 0, 0)) # Output signature
p25_demod_base.__init__(self, if_rate=if_rate, symbol_rate=symbol_rate, filter_type=filter_type)
self.input_rate = input_rate
self.if_rate = if_rate
self.symbol_rate = symbol_rate
self.connect_state = None
self.aux_fm_connected = False
self.offset = 0
self.sps = 0.0
self.lo_freq = 0
self.float_sink = None
self.complex_sink = None
self.if1 = 0
self.if2 = 0
self.t_cache = {}
if filter_type == 'rrc':
self.set_baseband_gain(0.61)
# local osc
self.lo = analog.sig_source_c (input_rate, analog.GR_SIN_WAVE, 0, 1.0, 0)
self.mixer = blocks.multiply_cc()
decimator_values = get_decim(input_rate)
if decimator_values:
self.decim, self.decim2 = decimator_values
self.if1 = input_rate / self.decim
self.if2 = self.if1 / self.decim2
sys.stderr.write( 'Using two-stage decimator for speed=%d, decim=%d/%d if1=%d if2=%d\n' % (input_rate, self.decim, self.decim2, self.if1, self.if2))
bpf_coeffs = filter.firdes.complex_band_pass(1.0, input_rate, -self.if1/2, self.if1/2, self.if1/2, filter.firdes.WIN_HAMMING)
self.t_cache[0] = bpf_coeffs
fa = 6250
fb = self.if2 / 2
lpf_coeffs = filter.firdes.low_pass(1.0, self.if1, (fb+fa)/2, fb-fa, filter.firdes.WIN_HAMMING)
self.bpf = filter.fir_filter_ccc(self.decim, bpf_coeffs)
self.lpf = filter.fir_filter_ccf(self.decim2, lpf_coeffs)
resampled_rate = self.if2
self.bfo = analog.sig_source_c (self.if1, analog.GR_SIN_WAVE, 0, 1.0, 0)
self.connect(self, self.bpf, (self.mixer, 0))
self.connect(self.bfo, (self.mixer, 1))
else:
sys.stderr.write( 'Unable to use two-stage decimator for speed=%d\n' % (input_rate))
# local osc
self.lo = analog.sig_source_c (input_rate, analog.GR_SIN_WAVE, 0, 1.0, 0)
lpf_coeffs = filter.firdes.low_pass(1.0, input_rate, 7250, 1450, filter.firdes.WIN_HANN)
decimation = int(input_rate / if_rate)
self.lpf = filter.fir_filter_ccf(decimation, lpf_coeffs)
resampled_rate = float(input_rate) / float(decimation) # rate at output of self.lpf
self.connect(self, (self.mixer, 0))
self.connect(self.lo, (self.mixer, 1))
self.connect(self.mixer, self.lpf)
if self.if_rate != resampled_rate:
self.if_out = filter.pfb.arb_resampler_ccf(float(self.if_rate) / resampled_rate)
self.connect(self.lpf, self.if_out)
else:
self.if_out = self.lpf
fa = 6250
fb = fa + 625
cutoff_coeffs = filter.firdes.low_pass(1.0, self.if_rate, (fb+fa)/2, fb-fa, filter.firdes.WIN_HANN)
self.cutoff = filter.fir_filter_ccf(1, cutoff_coeffs)
omega = float(self.if_rate) / float(self.symbol_rate)
gain_omega = 0.1 * gain_mu * gain_mu
alpha = costas_alpha
beta = 0.125 * alpha * alpha
fmax = 2400 # Hz
fmax = 2*pi * fmax / float(self.if_rate)
self.clock = op25_repeater.gardner_costas_cc(omega, gain_mu, gain_omega, alpha, beta, fmax, -fmax)
self.agc = analog.feedforward_agc_cc(16, 1.0)
# Perform Differential decoding on the constellation
self.diffdec = digital.diff_phasor_cc()
# take angle of the difference (in radians)
self.to_float = blocks.complex_to_arg()
# convert from radians such that signal is in -3/-1/+1/+3
self.rescale = blocks.multiply_const_ff( (1 / (pi / 4)) )
# fm demodulator (needed in fsk4 case)
fm_demod_gain = if_rate / (2.0 * pi * _def_symbol_deviation)
self.fm_demod = analog.quadrature_demod_cf(fm_demod_gain)
self.connect_chain(demod_type)
self.connect(self.slicer, self)
self.set_relative_frequency(relative_freq)
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,
antenna=satnogs.not_set_antenna,
baudrate=9600.0,
bb_gain=satnogs.not_set_rx_bb_gain,
decoded_data_file_path='/tmp/.satnogs/data/data',
dev_args=satnogs.not_set_dev_args,
doppler_correction_per_sec=20,
enable_iq_dump=0,
file_path='test.ogg',
if_gain=satnogs.not_set_rx_if_gain,
iq_file_path='/tmp/iq.dat',
lo_offset=100e3,
ppm=0,
rf_gain=satnogs.not_set_rx_rf_gain,
rigctl_port=4532,
rx_freq=100e6,
rx_sdr_device='usrpb200',
samp_rate_rx=satnogs.not_set_samp_rate_rx,
udp_IP='127.0.0.1',
udp_port=16887,
waterfall_file_path='/tmp/waterfall.dat'):
gr.top_block.__init__(self, "AMSAT FOX DUV Decoder")
##################################################
# Parameters
##################################################
self.antenna = antenna
self.baudrate = baudrate
self.bb_gain = bb_gain
self.decoded_data_file_path = decoded_data_file_path
self.dev_args = dev_args
self.doppler_correction_per_sec = doppler_correction_per_sec
self.enable_iq_dump = enable_iq_dump
self.file_path = file_path
self.if_gain = if_gain
self.iq_file_path = iq_file_path
self.lo_offset = lo_offset
self.ppm = ppm
self.rf_gain = rf_gain
self.rigctl_port = rigctl_port
self.rx_freq = rx_freq
self.rx_sdr_device = rx_sdr_device
self.samp_rate_rx = samp_rate_rx
self.udp_IP = udp_IP
self.udp_port = udp_port
self.waterfall_file_path = waterfall_file_path
##################################################
# Variables
##################################################
self.max_modulation_freq = max_modulation_freq = 3000
self.deviation = deviation = 5000
self.audio_samp_rate = audio_samp_rate = 48000
##################################################
# Blocks
##################################################
self.satnogs_waterfall_sink_0 = satnogs.waterfall_sink(
audio_samp_rate, 0.0, 10, 1024, waterfall_file_path, 1)
self.satnogs_udp_msg_sink_0_0 = satnogs.udp_msg_sink(
udp_IP, udp_port, 1500)
self.satnogs_tcp_rigctl_msg_source_0 = satnogs.tcp_rigctl_msg_source(
"127.0.0.1", rigctl_port, False, 1000, 1500)
self.satnogs_quad_demod_filter_ff_0 = satnogs.quad_demod_filter_ff(1.2)
self.satnogs_ogg_encoder_0 = satnogs.ogg_encoder(
file_path, audio_samp_rate, 1.0)
self.satnogs_iq_sink_0 = satnogs.iq_sink(16768, iq_file_path, False,
enable_iq_dump)
self.satnogs_frame_file_sink_0_1_0 = satnogs.frame_file_sink(
decoded_data_file_path, 0)
self.satnogs_fox_telem_mm_0 = satnogs.fox_telem_mm()
self.satnogs_decoder_8b10b_0 = satnogs.decoder_8b10b('0011111010', 960)
self.satnogs_coarse_doppler_correction_cc_0 = satnogs.coarse_doppler_correction_cc(
rx_freq, satnogs.handle_samp_rate_rx(rx_sdr_device, samp_rate_rx))
self.satnogs_ccsds_rs_decoder_mm_0 = satnogs.ccsds_rs_decoder_mm()
self.root_raised_cosine_filter_0 = filter.fir_filter_fff(
1, firdes.root_raised_cosine(1, 1, 2.4, 0.5, 512))
self.pfb_arb_resampler_xxx_0 = pfb.arb_resampler_ccf(
audio_samp_rate /
satnogs.handle_samp_rate_rx(rx_sdr_device, samp_rate_rx),
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) + " " +
satnogs.handle_rx_dev_args(rx_sdr_device, dev_args))
self.osmosdr_source_0.set_sample_rate(
satnogs.handle_samp_rate_rx(rx_sdr_device, samp_rate_rx))
self.osmosdr_source_0.set_center_freq(rx_freq - lo_offset, 0)
self.osmosdr_source_0.set_freq_corr(ppm, 0)
self.osmosdr_source_0.set_dc_offset_mode(2, 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(
satnogs.handle_rx_rf_gain(rx_sdr_device, rf_gain), 0)
self.osmosdr_source_0.set_if_gain(
satnogs.handle_rx_if_gain(rx_sdr_device, if_gain), 0)
self.osmosdr_source_0.set_bb_gain(
satnogs.handle_rx_bb_gain(rx_sdr_device, bb_gain), 0)
self.osmosdr_source_0.set_antenna(
satnogs.handle_rx_antenna(rx_sdr_device, antenna), 0)
self.osmosdr_source_0.set_bandwidth(
satnogs.handle_samp_rate_rx(rx_sdr_device, samp_rate_rx), 0)
self.low_pass_filter_1 = filter.fir_filter_fff(
100,
firdes.low_pass(1, audio_samp_rate, 195, 10, firdes.WIN_HAMMING,
6.76))
self.low_pass_filter_0 = filter.fir_filter_ccf(
1,
firdes.low_pass(1, audio_samp_rate,
deviation + max_modulation_freq, 3000,
firdes.WIN_HAMMING, 6.76))
self.digital_clock_recovery_mm_xx_0_0_0 = digital.clock_recovery_mm_ff(
(audio_samp_rate / 100.0) / 200, 0.25 * 0.175 * 0.175, 0.5, 0.175,
0.005)
self.digital_binary_slicer_fb_0_0 = digital.binary_slicer_fb()
self.dc_blocker_xx_0 = filter.dc_blocker_ff(1024, True)
self.blocks_rotator_cc_0 = blocks.rotator_cc(
-2.0 * math.pi *
(lo_offset /
satnogs.handle_samp_rate_rx(rx_sdr_device, samp_rate_rx)))
self.analog_quadrature_demod_cf_0_0 = analog.quadrature_demod_cf(1.2)
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(1.0)
##################################################
# Connections
##################################################
self.msg_connect((self.satnogs_ccsds_rs_decoder_mm_0, 'pdu'),
(self.satnogs_fox_telem_mm_0, 'in'))
self.msg_connect((self.satnogs_decoder_8b10b_0, 'pdu'),
(self.satnogs_ccsds_rs_decoder_mm_0, 'in'))
self.msg_connect((self.satnogs_fox_telem_mm_0, 'raw'),
(self.satnogs_frame_file_sink_0_1_0, 'frame'))
self.msg_connect((self.satnogs_fox_telem_mm_0, 'raw'),
(self.satnogs_udp_msg_sink_0_0, 'in'))
self.msg_connect((self.satnogs_tcp_rigctl_msg_source_0, 'freq'),
(self.satnogs_coarse_doppler_correction_cc_0, 'freq'))
self.connect((self.analog_quadrature_demod_cf_0, 0),
(self.satnogs_ogg_encoder_0, 0))
self.connect((self.analog_quadrature_demod_cf_0_0, 0),
(self.low_pass_filter_1, 0))
self.connect((self.blocks_rotator_cc_0, 0),
(self.satnogs_coarse_doppler_correction_cc_0, 0))
self.connect((self.dc_blocker_xx_0, 0),
(self.root_raised_cosine_filter_0, 0))
self.connect((self.digital_binary_slicer_fb_0_0, 0),
(self.satnogs_decoder_8b10b_0, 0))
self.connect((self.digital_clock_recovery_mm_xx_0_0_0, 0),
(self.satnogs_quad_demod_filter_ff_0, 0))
self.connect((self.low_pass_filter_0, 0),
(self.analog_quadrature_demod_cf_0, 0))
self.connect((self.low_pass_filter_0, 0),
(self.analog_quadrature_demod_cf_0_0, 0))
self.connect((self.low_pass_filter_1, 0), (self.dc_blocker_xx_0, 0))
self.connect((self.osmosdr_source_0, 0), (self.blocks_rotator_cc_0, 0))
self.connect((self.pfb_arb_resampler_xxx_0, 0),
(self.low_pass_filter_0, 0))
self.connect((self.pfb_arb_resampler_xxx_0, 0),
(self.satnogs_iq_sink_0, 0))
self.connect((self.pfb_arb_resampler_xxx_0, 0),
(self.satnogs_waterfall_sink_0, 0))
self.connect((self.root_raised_cosine_filter_0, 0),
(self.digital_clock_recovery_mm_xx_0_0_0, 0))
self.connect((self.satnogs_coarse_doppler_correction_cc_0, 0),
(self.pfb_arb_resampler_xxx_0, 0))
self.connect((self.satnogs_quad_demod_filter_ff_0, 0),
(self.digital_binary_slicer_fb_0_0, 0))
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, system, site_uuid, overseer_uuid):
gr.top_block.__init__(self, "moto receiver")
##################################################
# Variables
##################################################
self.instance_uuid = '%s' % uuid.uuid4()
self.log = logging.getLogger('overseer.moto_control_demod.%s' %
self.instance_uuid)
self.log.info('Initializing instance: %s site: %s overseer: %s' %
(self.instance_uuid, site_uuid, overseer_uuid))
self.overseer_uuid = overseer_uuid
self.site_uuid = site_uuid
self.channel_rate = 12500
self.packets = 0
self.packets_bad = 0
self.patches = {}
self.quality = []
self.site_detail = {}
self.symbol_rate = symbol_rate = 3600.0
self.control_source = 0
self.offset = offset = 0
self.is_locked = False
self.system = system
self.system_id = system['id']
self.channels = system['channels']
self.channels_list = self.channels.keys()
self.thread_id = '%s-%s' % (self.system['type'], self.system_id)
self.control_channel_key = 0
self.control_channel = control_channel = self.channels[
self.channels_list[0]]
self.option_dc_offset = False
self.option_udp_sink = False
self.enable_capture = True
self.keep_running = True
##################################################
# Message Queues
##################################################
self.control_msg_sink_msgq = gr.msg_queue(1024)
##################################################
# Threads
##################################################
receive_engine = threading.Thread(target=self.receive_engine)
receive_engine.daemon = True
receive_engine.start()
quality_check = threading.Thread(target=self.quality_check)
quality_check.daemon = True
quality_check.start()
self.connector = frontend_connector()
self.redis_demod_publisher = redis_demod_publisher(parent_demod=self)
self.client_redis = client_redis()
##################################################
# Blocks
##################################################
self.source = None
control_sample_rate = 12500
channel_rate = control_sample_rate * 2
self.control_quad_demod = analog.quadrature_demod_cf(5)
if (self.option_dc_offset):
moving_sum = blocks.moving_average_ff(1000, 1, 4000)
divide_const = blocks.multiply_const_vff((0.001, ))
self.probe = blocks.probe_signal_f()
self.control_clock_recovery = digital.clock_recovery_mm_ff(
channel_rate / symbol_rate, 1.4395919, 0.5, 0.05, 0.005)
self.control_binary_slicer = digital.binary_slicer_fb()
self.control_byte_pack = blocks.unpacked_to_packed_bb(
1, gr.GR_MSB_FIRST)
self.control_msg_sink = blocks.message_sink(gr.sizeof_char * 1,
self.control_msg_sink_msgq,
True)
if (self.option_udp_sink):
self.udp = blocks.udp_sink(gr.sizeof_gr_complex * 1, "127.0.0.1",
self.system_id, 1472, True)
moving_sum = blocks.moving_average_ff(10000, 1, 40000)
subtract = blocks.sub_ff(1)
divide_const = blocks.multiply_const_vff((0.0001, ))
self.probe = blocks.probe_signal_f()
self.connect(self.control_quad_demod, moving_sum, divide_const,
self.probe)
##################################################
# Connections
##################################################
self.connect(self.control_quad_demod, self.control_clock_recovery)
self.connect(self.control_clock_recovery, self.control_binary_slicer,
self.control_byte_pack, self.control_msg_sink)
if (self.option_dc_offset):
self.connect(self.control_quad_demod, moving_sum, divide_const,
self.probe)
if (self.option_udp_sink):
self.connect(self.control_prefilter, self.udp)
self.tune_next_control()
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Dsd Grc")
##################################################
# Variables
##################################################
self.xlate_offset_fine = xlate_offset_fine = 0
self.target_freq = target_freq = 855462000
self.samp_rate = samp_rate = 1000000
self.samp_per_sym = samp_per_sym = 10
self.decim = decim = 15
self.center_freq = center_freq = 855700000
self.xlate_bandwidth = xlate_bandwidth = 12500
self.variable_static_text_0 = variable_static_text_0 = target_freq+xlate_offset_fine
self.tuning_error = tuning_error = 0
self.tune_offset = tune_offset = target_freq - center_freq
self.pre_channel_rate = pre_channel_rate = samp_rate/decim
self.gain = gain = 25
self.channel_rate = channel_rate = 4800*samp_per_sym
self.audio_mul = audio_mul = 0
##################################################
# Blocks
##################################################
_xlate_offset_fine_sizer = wx.BoxSizer(wx.VERTICAL)
self._xlate_offset_fine_text_box = forms.text_box(
parent=self.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.GetWin(),
sizer=_xlate_offset_fine_sizer,
value=self.xlate_offset_fine,
callback=self.set_xlate_offset_fine,
minimum=-10000,
maximum=10000,
num_steps=1000,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_xlate_offset_fine_sizer)
_xlate_bandwidth_sizer = wx.BoxSizer(wx.VERTICAL)
self._xlate_bandwidth_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_xlate_bandwidth_sizer,
value=self.xlate_bandwidth,
callback=self.set_xlate_bandwidth,
label="Xlate BW",
converter=forms.float_converter(),
proportion=0,
)
self._xlate_bandwidth_slider = forms.slider(
parent=self.GetWin(),
sizer=_xlate_bandwidth_sizer,
value=self.xlate_bandwidth,
callback=self.set_xlate_bandwidth,
minimum=5000,
maximum=50000,
num_steps=1000,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_xlate_bandwidth_sizer)
self._tuning_error_text_box = forms.text_box(
parent=self.GetWin(),
value=self.tuning_error,
callback=self.set_tuning_error,
label="Tuning Error",
converter=forms.float_converter(),
)
self.Add(self._tuning_error_text_box)
self.nb = self.nb = wx.Notebook(self.GetWin(), style=wx.NB_TOP)
self.nb.AddPage(grc_wxgui.Panel(self.nb), "BB-1")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "BB-2")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "Xlate-1")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "Xlate-2")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "4FSK")
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="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=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_gain_sizer)
self.wxgui_waterfallsink2_0_0 = waterfallsink2.waterfall_sink_c(
self.nb.GetPage(3).GetWin(),
baseband_freq=0,
dynamic_range=10,
ref_level=10,
ref_scale=2.0,
sample_rate=channel_rate,
fft_size=512,
fft_rate=15,
average=False,
avg_alpha=None,
title="Waterfall Plot",
)
self.nb.GetPage(3).Add(self.wxgui_waterfallsink2_0_0.win)
self.wxgui_waterfallsink2_0 = waterfallsink2.waterfall_sink_c(
self.nb.GetPage(1).GetWin(),
baseband_freq=center_freq,
dynamic_range=100,
ref_level=50,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=512,
fft_rate=15,
average=False,
avg_alpha=None,
title="Waterfall Plot",
win=window.flattop,
)
self.nb.GetPage(1).Add(self.wxgui_waterfallsink2_0.win)
self.wxgui_scopesink2_1 = scopesink2.scope_sink_f(
self.nb.GetPage(4).GetWin(),
title="Scope Plot",
sample_rate=channel_rate,
v_scale=1.5,
v_offset=0,
t_scale=0.05,
ac_couple=False,
xy_mode=False,
num_inputs=1,
trig_mode=wxgui.TRIG_MODE_AUTO,
y_axis_label="Counts",
)
self.nb.GetPage(4).Add(self.wxgui_scopesink2_1.win)
self.wxgui_fftsink2_0_0 = fftsink2.fft_sink_c(
self.nb.GetPage(2).GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=channel_rate,
fft_size=1024,
fft_rate=30,
average=True,
avg_alpha=None,
title="FFT Plot",
peak_hold=False,
win=window.flattop,
)
self.nb.GetPage(2).Add(self.wxgui_fftsink2_0_0.win)
def wxgui_fftsink2_0_0_callback(x, y):
self.set_0(x)
self.wxgui_fftsink2_0_0.set_callback(wxgui_fftsink2_0_0_callback)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.nb.GetPage(0).GetWin(),
baseband_freq=center_freq,
y_per_div=20,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=1024,
fft_rate=30,
average=True,
avg_alpha=None,
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_target_freq(x)
self.wxgui_fftsink2_0.set_callback(wxgui_fftsink2_0_callback)
self._variable_static_text_0_static_text = forms.static_text(
parent=self.GetWin(),
value=self.variable_static_text_0,
callback=self.set_variable_static_text_0,
label="Final freq",
converter=forms.float_converter(),
)
self.Add(self._variable_static_text_0_static_text)
self._target_freq_text_box = forms.text_box(
parent=self.GetWin(),
value=self.target_freq,
callback=self.set_target_freq,
label="Target freq",
converter=forms.float_converter(),
)
self.Add(self._target_freq_text_box)
self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=pre_channel_rate,
decimation=channel_rate,
taps=None,
fractional_bw=None,
)
self.osmosdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + "" )
self.osmosdr_source_0.set_sample_rate(samp_rate)
self.osmosdr_source_0.set_center_freq(center_freq+tuning_error, 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(14, 0)
self.osmosdr_source_0.set_if_gain(gain, 0)
self.osmosdr_source_0.set_bb_gain(gain, 0)
self.osmosdr_source_0.set_antenna("", 0)
self.osmosdr_source_0.set_bandwidth(0, 0)
self.low_pass_filter_0 = filter.fir_filter_fff(1, firdes.low_pass(
1, channel_rate, 6000, 500, firdes.WIN_HAMMING, 6.76))
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(decim, (firdes.low_pass(1, samp_rate, xlate_bandwidth/2, 3000)), tune_offset+xlate_offset_fine, samp_rate)
_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 mul",
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=-30,
maximum=10,
num_steps=40,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_audio_mul_sizer)
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(1.0)
##################################################
# Connections
##################################################
self.connect((self.analog_quadrature_demod_cf_0, 0), (self.low_pass_filter_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.rational_resampler_xxx_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.wxgui_scopesink2_1, 0))
self.connect((self.osmosdr_source_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
self.connect((self.osmosdr_source_0, 0), (self.wxgui_fftsink2_0, 0))
self.connect((self.osmosdr_source_0, 0), (self.wxgui_waterfallsink2_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.analog_quadrature_demod_cf_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.wxgui_fftsink2_0_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.wxgui_waterfallsink2_0_0, 0))
def __init__(self, audio_rate, quad_rate, tau=75e-6, max_dev=5e3):
"""
Narrow Band FM Receiver.
Takes a single complex baseband input stream and produces a single
float output stream of audio sample in the range [-1, +1].
Args:
audio_rate: sample rate of audio stream, >= 16k (integer)
quad_rate: sample rate of output stream (integer)
tau: preemphasis time constant (default 75e-6) (float)
max_dev: maximum deviation in Hz (default 5e3) (float)
quad_rate must be an integer multiple of audio_rate.
Exported sub-blocks (attributes):
squelch
quad_demod
deemph
audio_filter
"""
gr.hier_block2.__init__(
self,
"nbfm_rx",
gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature
gr.io_signature(1, 1, gr.sizeof_float)) # Output signature
# FIXME audio_rate and quad_rate ought to be exact rationals
self._audio_rate = audio_rate = int(audio_rate)
self._quad_rate = quad_rate = int(quad_rate)
if quad_rate % audio_rate != 0:
raise ValueError, "quad_rate is not an integer multiple of audio_rate"
squelch_threshold = 20 # dB
#self.squelch = analog.simple_squelch_cc(squelch_threshold, 0.001)
# FM Demodulator input: complex; output: float
k = quad_rate / (2 * math.pi * max_dev)
self.quad_demod = analog.quadrature_demod_cf(k)
# FM Deemphasis IIR filter
self.deemph = fm_deemph(quad_rate, tau=tau)
# compute FIR taps for audio filter
audio_decim = quad_rate // audio_rate
audio_taps = filter.firdes.low_pass(
1.0, # gain
quad_rate, # sampling rate
2.7e3, # Audio LPF cutoff
0.5e3, # Transition band
filter.firdes.WIN_HAMMING) # filter type
print "len(audio_taps) =", len(audio_taps)
# Decimating audio filter
# input: float; output: float; taps: float
self.audio_filter = filter.fir_filter_fff(audio_decim, audio_taps)
self.connect(self, self.quad_demod, self.deemph, self.audio_filter,
self)
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, "zigbee_simulation")
Qt.QWidget.__init__(self)
self.setWindowTitle("zigbee_simulation")
qtgui.util.check_set_qss()
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "zigbee_demod_fsk")
if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"):
self.restoreGeometry(self.settings.value("geometry").toByteArray())
else:
self.restoreGeometry(self.settings.value("geometry", type=QtCore.QByteArray))
##################################################
# Variables
##################################################
self.zigbee_channel = zigbee_channel = 11
self.transition_width = transition_width = 100e3
self.samp_rate = samp_rate = 5000000
self.cutoff_freq = cutoff_freq = 750e3
self.channel_spacing = channel_spacing = 5e6
self.central_frequency = central_frequency = 2405e6
self.squelch_threshold = squelch_threshold = -80
self.payload_mod = payload_mod = digital.constellation_qpsk()
self.lowpass_filter = lowpass_filter = firdes.low_pass(1, samp_rate, cutoff_freq, transition_width, firdes.WIN_HAMMING, 6.76)
self.iq_output = iq_output = "ble2.iq"
self.half_preamble_len = half_preamble_len = 2*32*2
self.freq_channel = freq_channel = central_frequency+(zigbee_channel-11)*channel_spacing
self.dsss_mode = dsss_mode = 32
self.dsss_4_8 = dsss_4_8 = [(1+1j), (-1+1j), (1-1j), (-1+1j), (1-1j), (-1-1j), (1+1j), (-1-1j), (-1+1j), (-1+1j), (-1-1j), (1-1j), (-1-1j), (-1-1j), (-1+1j), (1+1j), (-1-1j), (1-1j), (1+1j), (1-1j), (-1+1j), (1+1j), (1-1j), (1+1j), (1+1j), (-1-1j), (-1-1j), (1+1j), (1-1j), (-1+1j), (-1+1j), (1-1j), (1+1j), (1-1j), (1+1j), (-1+1j), (1-1j), (1+1j), (1-1j), (-1-1j), (-1-1j), (1+1j), (-1+1j), (-1+1j), (-1+1j), (1-1j), (-1-1j), (-1-1j), (-1-1j), (1-1j), (-1-1j), (1-1j), (-1+1j), (1+1j), (-1+1j), (1+1j), (1-1j), (-1+1j), (1+1j), (-1-1j), (1+1j), (-1-1j), (1-1j), (-1+1j)]
self.dsss_4_64 = dsss_4_64 = [(1+1j), (-1+1j), (1-1j), (-1+1j), (1+1j), (-1-1j), (-1-1j), (1+1j), (-1+1j), (-1+1j), (-1-1j), (1-1j), (-1-1j), (1-1j), (1+1j), (1-1j), (1+1j), (-1+1j), (1-1j), (-1+1j), (1+1j), (-1-1j), (-1-1j), (1+1j), (-1+1j), (-1+1j), (-1-1j), (1-1j), (-1-1j), (1-1j), (1+1j), (1-1j), (1-1j), (-1-1j), (1+1j), (-1-1j), (1-1j), (-1+1j), (-1+1j), (1-1j), (-1-1j), (-1-1j), (-1+1j), (1+1j), (-1+1j), (1+1j), (1-1j), (1+1j), (1-1j), (-1-1j), (1+1j), (-1-1j), (1-1j), (-1+1j), (-1+1j), (1-1j), (-1-1j), (-1-1j), (-1+1j), (1+1j), (-1+1j), (1+1j), (1-1j), (1+1j), (-1+1j), (-1+1j), (-1-1j), (1-1j), (-1-1j), (1-1j), (1+1j), (1-1j), (1+1j), (-1+1j), (1-1j), (-1+1j), (1+1j), (-1-1j), (-1-1j), (1+1j), (-1+1j), (-1+1j), (-1-1j), (1-1j), (-1-1j), (1-1j), (1+1j), (1-1j), (1+1j), (-1+1j), (1-1j), (-1+1j), (1+1j), (-1-1j), (-1-1j), (1+1j), (-1-1j), (-1-1j), (-1+1j), (1+1j), (-1+1j), (1+1j), (1-1j), (1+1j), (1-1j), (-1-1j), (1+1j), (-1-1j), (1-1j), (-1+1j), (-1+1j), (1-1j), (-1-1j), (-1-1j), (-1+1j), (1+1j), (-1+1j), (1+1j), (1-1j), (1+1j), (1-1j), (-1-1j), (1+1j), (-1-1j), (1-1j), (-1+1j), (-1+1j), (1-1j), (-1-1j), (1-1j), (1+1j), (1-1j), (1+1j), (-1+1j), (1-1j), (-1+1j), (1+1j), (-1-1j), (-1-1j), (1+1j), (-1+1j), (-1+1j), (-1-1j), (1-1j), (-1-1j), (1-1j), (1+1j), (1-1j), (1+1j), (-1+1j), (1-1j), (-1+1j), (1+1j), (-1-1j), (-1-1j), (1+1j), (-1+1j), (-1+1j), (-1-1j), (1-1j), (-1+1j), (1+1j), (1-1j), (1+1j), (1-1j), (-1-1j), (1+1j), (-1-1j), (1-1j), (-1+1j), (-1+1j), (1-1j), (-1-1j), (-1-1j), (-1+1j), (1+1j), (-1+1j), (1+1j), (1-1j), (1+1j), (1-1j), (-1-1j), (1+1j), (-1-1j), (1-1j), (-1+1j), (-1+1j), (1-1j), (-1-1j), (-1-1j), (-1+1j), (1+1j), (1+1j), (-1-1j), (-1-1j), (1+1j), (-1+1j), (-1+1j), (-1-1j), (1-1j), (-1-1j), (1-1j), (1+1j), (1-1j), (1+1j), (-1+1j), (1-1j), (-1+1j), (1+1j), (-1-1j), (-1-1j), (1+1j), (-1+1j), (-1+1j), (-1-1j), (1-1j), (-1-1j), (1-1j), (1+1j), (1-1j), (1+1j), (-1+1j), (1-1j), (-1+1j), (1-1j), (-1+1j), (-1+1j), (1-1j), (-1-1j), (-1-1j), (-1+1j), (1+1j), (-1+1j), (1+1j), (1-1j), (1+1j), (1-1j), (-1-1j), (1+1j), (-1-1j), (1-1j), (-1+1j), (-1+1j), (1-1j), (-1-1j), (-1-1j), (-1+1j), (1+1j), (-1+1j), (1+1j), (1-1j), (1+1j), (1-1j), (-1-1j), (1+1j), (-1-1j), (1+1j), (1-1j), (1+1j), (-1+1j), (1-1j), (-1+1j), (1+1j), (-1-1j), (-1-1j), (1+1j), (-1+1j), (-1+1j), (-1-1j), (1-1j), (-1-1j), (1-1j), (1+1j), (1-1j), (1+1j), (-1+1j), (1-1j), (-1+1j), (1+1j), (-1-1j), (-1-1j), (1+1j), (-1+1j), (-1+1j), (-1-1j), (1-1j), (-1-1j), (1-1j), (1-1j), (1+1j), (1-1j), (-1-1j), (1+1j), (-1-1j), (1-1j), (-1+1j), (-1+1j), (1-1j), (-1-1j), (-1-1j), (-1+1j), (1+1j), (-1+1j), (1+1j), (1-1j), (1+1j), (1-1j), (-1-1j), (1+1j), (-1-1j), (1-1j), (-1+1j), (-1+1j), (1-1j), (-1-1j), (-1-1j), (-1+1j), (1+1j), (-1+1j), (1+1j), (-1-1j), (1+1j), (-1+1j), (-1+1j), (-1-1j), (1-1j), (-1-1j), (1-1j), (1+1j), (1-1j), (1+1j), (-1+1j), (1-1j), (-1+1j), (1+1j), (-1-1j), (-1-1j), (1+1j), (-1+1j), (-1+1j), (-1-1j), (1-1j), (-1-1j), (1-1j), (1+1j), (1-1j), (1+1j), (-1+1j), (1-1j), (-1+1j), (1+1j), (-1-1j), (-1+1j), (1-1j), (-1-1j), (-1-1j), (-1+1j), (1+1j), (-1+1j), (1+1j), (1-1j), (1+1j), (1-1j), (-1-1j), (1+1j), (-1-1j), (1-1j), (-1+1j), (-1+1j), (1-1j), (-1-1j), (-1-1j), (-1+1j), (1+1j), (-1+1j), (1+1j), (1-1j), (1+1j), (1-1j), (-1-1j), (1+1j), (-1-1j), (1-1j), (-1+1j), (-1-1j), (1-1j), (-1-1j), (1-1j), (1+1j), (1-1j), (1+1j), (-1+1j), (1-1j), (-1+1j), (1+1j), (-1-1j), (-1-1j), (1+1j), (-1+1j), (-1+1j), (-1-1j), (1-1j), (-1-1j), (1-1j), (1+1j), (1-1j), (1+1j), (-1+1j), (1-1j), (-1+1j), (1+1j), (-1-1j), (-1-1j), (1+1j), (-1+1j), (-1+1j), (-1+1j), (1+1j), (-1+1j), (1+1j), (1-1j), (1+1j), (1-1j), (-1-1j), (1+1j), (-1-1j), (1-1j), (-1+1j), (-1+1j), (1-1j), (-1-1j), (-1-1j), (-1+1j), (1+1j), (-1+1j), (1+1j), (1-1j), (1+1j), (1-1j), (-1-1j), (1+1j), (-1-1j), (1-1j), (-1+1j), (-1+1j), (1-1j), (-1-1j), (-1-1j), (1-1j), (-1+1j), (1+1j), (-1-1j), (-1-1j), (1+1j), (-1+1j), (-1+1j), (-1-1j), (1-1j), (-1-1j), (1-1j), (1+1j), (1-1j), (1+1j), (-1+1j), (1-1j), (-1+1j), (1+1j), (-1-1j), (-1-1j), (1+1j), (-1+1j), (-1+1j), (-1-1j), (1-1j), (-1-1j), (1-1j), (1+1j), (1-1j), (1+1j), (-1+1j), (1+1j), (-1-1j), (1-1j), (-1+1j), (-1+1j), (1-1j), (-1-1j), (-1-1j), (-1+1j), (1+1j), (-1+1j), (1+1j), (1-1j), (1+1j), (1-1j), (-1-1j), (1+1j), (-1-1j), (1-1j), (-1+1j), (-1+1j), (1-1j), (-1-1j), (-1-1j), (-1+1j), (1+1j), (-1+1j), (1+1j), (1-1j), (1+1j), (1-1j), (-1-1j)]
self.dsss_4_32_LSB = dsss_4_32_LSB = [(1+1j), (-1+1j), (1-1j), (-1+1j), (1+1j), (-1-1j), (-1-1j), (1+1j), (-1+1j), (-1+1j), (-1-1j), (1-1j), (-1-1j), (1-1j), (1+1j), (1-1j), (1+1j), (1-1j), (1+1j), (-1+1j), (1-1j), (-1+1j), (1+1j), (-1-1j), (-1-1j), (1+1j), (-1+1j), (-1+1j), (-1-1j), (1-1j), (-1-1j), (1-1j), (-1-1j), (1-1j), (1+1j), (1-1j), (1+1j), (-1+1j), (1-1j), (-1+1j), (1+1j), (-1-1j), (-1-1j), (1+1j), (-1+1j), (-1+1j), (-1-1j), (1-1j), (-1-1j), (1-1j), (-1-1j), (1-1j), (1+1j), (1-1j), (1+1j), (-1+1j), (1-1j), (-1+1j), (1+1j), (-1-1j), (-1-1j), (1+1j), (-1+1j), (-1+1j), (-1+1j), (-1+1j), (-1-1j), (1-1j), (-1-1j), (1-1j), (1+1j), (1-1j), (1+1j), (-1+1j), (1-1j), (-1+1j), (1+1j), (-1-1j), (-1-1j), (1+1j), (-1-1j), (1+1j), (-1+1j), (-1+1j), (-1-1j), (1-1j), (-1-1j), (1-1j), (1+1j), (1-1j), (1+1j), (-1+1j), (1-1j), (-1+1j), (1+1j), (-1-1j), (1+1j), (-1-1j), (-1-1j), (1+1j), (-1+1j), (-1+1j), (-1-1j), (1-1j), (-1-1j), (1-1j), (1+1j), (1-1j), (1+1j), (-1+1j), (1-1j), (-1+1j), (1-1j), (-1+1j), (1+1j), (-1-1j), (-1-1j), (1+1j), (-1+1j), (-1+1j), (-1-1j), (1-1j), (-1-1j), (1-1j), (1+1j), (1-1j), (1+1j), (-1+1j), (1-1j), (-1-1j), (1+1j), (-1-1j), (1-1j), (-1+1j), (-1+1j), (1-1j), (-1-1j), (-1-1j), (-1+1j), (1+1j), (-1+1j), (1+1j), (1-1j), (1+1j), (1-1j), (1+1j), (1-1j), (-1-1j), (1+1j), (-1-1j), (1-1j), (-1+1j), (-1+1j), (1-1j), (-1-1j), (-1-1j), (-1+1j), (1+1j), (-1+1j), (1+1j), (-1+1j), (1+1j), (1-1j), (1+1j), (1-1j), (-1-1j), (1+1j), (-1-1j), (1-1j), (-1+1j), (-1+1j), (1-1j), (-1-1j), (-1-1j), (-1+1j), (1+1j), (-1+1j), (1+1j), (-1+1j), (1+1j), (1-1j), (1+1j), (1-1j), (-1-1j), (1+1j), (-1-1j), (1-1j), (-1+1j), (-1+1j), (1-1j), (-1-1j), (-1-1j), (-1-1j), (-1-1j), (-1+1j), (1+1j), (-1+1j), (1+1j), (1-1j), (1+1j), (1-1j), (-1-1j), (1+1j), (-1-1j), (1-1j), (-1+1j), (-1+1j), (1-1j), (-1+1j), (1-1j), (-1-1j), (-1-1j), (-1+1j), (1+1j), (-1+1j), (1+1j), (1-1j), (1+1j), (1-1j), (-1-1j), (1+1j), (-1-1j), (1-1j), (-1+1j), (1-1j), (-1+1j), (-1+1j), (1-1j), (-1-1j), (-1-1j), (-1+1j), (1+1j), (-1+1j), (1+1j), (1-1j), (1+1j), (1-1j), (-1-1j), (1+1j), (-1-1j), (1+1j), (-1-1j), (1-1j), (-1+1j), (-1+1j), (1-1j), (-1-1j), (-1-1j), (-1+1j), (1+1j), (-1+1j), (1+1j), (1-1j), (1+1j), (1-1j), (-1-1j)]
self.dsss_4_32 = dsss_4_32 = [(1+1j), (-1+1j), (1-1j), (-1+1j), (1+1j), (-1-1j), (-1-1j), (1+1j), (-1+1j), (-1+1j), (-1-1j), (1-1j), (-1-1j), (1-1j), (1+1j), (1-1j), (1-1j), (-1-1j), (1+1j), (-1-1j), (1-1j), (-1+1j), (-1+1j), (1-1j), (-1-1j), (-1-1j), (-1+1j), (1+1j), (-1+1j), (1+1j), (1-1j), (1+1j), (-1+1j), (-1+1j), (-1-1j), (1-1j), (-1-1j), (1-1j), (1+1j), (1-1j), (1+1j), (-1+1j), (1-1j), (-1+1j), (1+1j), (-1-1j), (-1-1j), (1+1j), (-1-1j), (-1-1j), (-1+1j), (1+1j), (-1+1j), (1+1j), (1-1j), (1+1j), (1-1j), (-1-1j), (1+1j), (-1-1j), (1-1j), (-1+1j), (-1+1j), (1-1j), (-1-1j), (1-1j), (1+1j), (1-1j), (1+1j), (-1+1j), (1-1j), (-1+1j), (1+1j), (-1-1j), (-1-1j), (1+1j), (-1+1j), (-1+1j), (-1-1j), (1-1j), (-1+1j), (1+1j), (1-1j), (1+1j), (1-1j), (-1-1j), (1+1j), (-1-1j), (1-1j), (-1+1j), (-1+1j), (1-1j), (-1-1j), (-1-1j), (-1+1j), (1+1j), (1+1j), (-1-1j), (-1-1j), (1+1j), (-1+1j), (-1+1j), (-1-1j), (1-1j), (-1-1j), (1-1j), (1+1j), (1-1j), (1+1j), (-1+1j), (1-1j), (-1+1j), (1-1j), (-1+1j), (-1+1j), (1-1j), (-1-1j), (-1-1j), (-1+1j), (1+1j), (-1+1j), (1+1j), (1-1j), (1+1j), (1-1j), (-1-1j), (1+1j), (-1-1j), (1+1j), (1-1j), (1+1j), (-1+1j), (1-1j), (-1+1j), (1+1j), (-1-1j), (-1-1j), (1+1j), (-1+1j), (-1+1j), (-1-1j), (1-1j), (-1-1j), (1-1j), (1-1j), (1+1j), (1-1j), (-1-1j), (1+1j), (-1-1j), (1-1j), (-1+1j), (-1+1j), (1-1j), (-1-1j), (-1-1j), (-1+1j), (1+1j), (-1+1j), (1+1j), (-1-1j), (1+1j), (-1+1j), (-1+1j), (-1-1j), (1-1j), (-1-1j), (1-1j), (1+1j), (1-1j), (1+1j), (-1+1j), (1-1j), (-1+1j), (1+1j), (-1-1j), (-1+1j), (1-1j), (-1-1j), (-1-1j), (-1+1j), (1+1j), (-1+1j), (1+1j), (1-1j), (1+1j), (1-1j), (-1-1j), (1+1j), (-1-1j), (1-1j), (-1+1j), (-1-1j), (1-1j), (-1-1j), (1-1j), (1+1j), (1-1j), (1+1j), (-1+1j), (1-1j), (-1+1j), (1+1j), (-1-1j), (-1-1j), (1+1j), (-1+1j), (-1+1j), (-1+1j), (1+1j), (-1+1j), (1+1j), (1-1j), (1+1j), (1-1j), (-1-1j), (1+1j), (-1-1j), (1-1j), (-1+1j), (-1+1j), (1-1j), (-1-1j), (-1-1j), (1-1j), (-1+1j), (1+1j), (-1-1j), (-1-1j), (1+1j), (-1+1j), (-1+1j), (-1-1j), (1-1j), (-1-1j), (1-1j), (1+1j), (1-1j), (1+1j), (-1+1j), (1+1j), (-1-1j), (1-1j), (-1+1j), (-1+1j), (1-1j), (-1-1j), (-1-1j), (-1+1j), (1+1j), (-1+1j), (1+1j), (1-1j), (1+1j), (1-1j), (-1-1j)]
self.dsss_4_16 = dsss_4_16 = [(-1-1j), (1+1j), (1+1j), (1-1j), (-1-1j), (1-1j), (-1+1j), (-1+1j), (-1+1j), (1-1j), (1-1j), (1+1j), (-1+1j), (1+1j), (-1-1j), (-1-1j), (-1-1j), (1-1j), (-1+1j), (-1+1j), (-1-1j), (1+1j), (1+1j), (1-1j), (-1+1j), (1+1j), (-1-1j), (-1-1j), (-1+1j), (1-1j), (1-1j), (1+1j), (-1+1j), (-1+1j), (-1-1j), (1+1j), (1+1j), (1-1j), (-1-1j), (1-1j), (-1-1j), (-1-1j), (-1+1j), (1-1j), (1-1j), (1+1j), (-1+1j), (1+1j), (1+1j), (1-1j), (-1-1j), (1-1j), (-1+1j), (-1+1j), (-1-1j), (1+1j), (1-1j), (1+1j), (-1+1j), (1+1j), (-1-1j), (-1-1j), (-1+1j), (1-1j), (-1+1j), (-1-1j), (1+1j), (1+1j), (1-1j), (-1-1j), (1-1j), (-1+1j), (-1-1j), (-1+1j), (1-1j), (1-1j), (1+1j), (-1+1j), (1+1j), (-1-1j), (1-1j), (-1-1j), (1-1j), (-1+1j), (-1+1j), (-1-1j), (1+1j), (1+1j), (1+1j), (-1+1j), (1+1j), (-1-1j), (-1-1j), (-1+1j), (1-1j), (1-1j), (1-1j), (-1+1j), (-1+1j), (-1-1j), (1+1j), (1+1j), (1-1j), (-1-1j), (1+1j), (-1-1j), (-1-1j), (-1+1j), (1-1j), (1-1j), (1+1j), (-1+1j), (1+1j), (1+1j), (1-1j), (-1-1j), (1-1j), (-1+1j), (-1+1j), (-1-1j), (1-1j), (1-1j), (1+1j), (-1+1j), (1+1j), (-1-1j), (-1-1j), (-1+1j)]
self.csv_file = csv_file = "packet_index2.csv"
##################################################
# Blocks
##################################################
self.single_pole_iir_filter_xx_0 = filter.single_pole_iir_filter_ff(0.00016, 1)
self.qtgui_const_sink_x_1 = qtgui.const_sink_c(
1024, #size
"", #name
1 #number of inputs
)
self.qtgui_const_sink_x_1.set_update_time(0.10)
self.qtgui_const_sink_x_1.set_y_axis(-2, 2)
self.qtgui_const_sink_x_1.set_x_axis(-2, 2)
self.qtgui_const_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "")
self.qtgui_const_sink_x_1.enable_autoscale(False)
self.qtgui_const_sink_x_1.enable_grid(False)
self.qtgui_const_sink_x_1.enable_axis_labels(True)
if not True:
self.qtgui_const_sink_x_1.disable_legend()
labels = ['', '', '', '', '',
'', '', '', '', '']
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ["blue", "red", "red", "red", "red",
"red", "red", "red", "red", "red"]
styles = [0, 0, 0, 0, 0,
0, 0, 0, 0, 0]
markers = [0, 0, 0, 0, 0,
0, 0, 0, 0, 0]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_const_sink_x_1.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_const_sink_x_1.set_line_label(i, labels[i])
self.qtgui_const_sink_x_1.set_line_width(i, widths[i])
self.qtgui_const_sink_x_1.set_line_color(i, colors[i])
self.qtgui_const_sink_x_1.set_line_style(i, styles[i])
self.qtgui_const_sink_x_1.set_line_marker(i, markers[i])
self.qtgui_const_sink_x_1.set_line_alpha(i, alphas[i])
self._qtgui_const_sink_x_1_win = sip.wrapinstance(self.qtgui_const_sink_x_1.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_const_sink_x_1_win)
self.qtgui_const_sink_x_0_1 = qtgui.const_sink_c(
1024, #size
"after filtering", #name
1 #number of inputs
)
self.qtgui_const_sink_x_0_1.set_update_time(0.10)
self.qtgui_const_sink_x_0_1.set_y_axis(-2, 2)
self.qtgui_const_sink_x_0_1.set_x_axis(-2, 2)
self.qtgui_const_sink_x_0_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "")
self.qtgui_const_sink_x_0_1.enable_autoscale(True)
self.qtgui_const_sink_x_0_1.enable_grid(False)
self.qtgui_const_sink_x_0_1.enable_axis_labels(True)
if not True:
self.qtgui_const_sink_x_0_1.disable_legend()
labels = ['', '', '', '', '',
'', '', '', '', '']
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ["blue", "red", "red", "red", "red",
"red", "red", "red", "red", "red"]
styles = [0, 0, 0, 0, 0,
0, 0, 0, 0, 0]
markers = [0, 0, 0, 0, 0,
0, 0, 0, 0, 0]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_const_sink_x_0_1.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_const_sink_x_0_1.set_line_label(i, labels[i])
self.qtgui_const_sink_x_0_1.set_line_width(i, widths[i])
self.qtgui_const_sink_x_0_1.set_line_color(i, colors[i])
self.qtgui_const_sink_x_0_1.set_line_style(i, styles[i])
self.qtgui_const_sink_x_0_1.set_line_marker(i, markers[i])
self.qtgui_const_sink_x_0_1.set_line_alpha(i, alphas[i])
self._qtgui_const_sink_x_0_1_win = sip.wrapinstance(self.qtgui_const_sink_x_0_1.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_const_sink_x_0_1_win)
self.qtgui_const_sink_x_0_0_1 = qtgui.const_sink_c(
1024, #size
"after filter", #name
1 #number of inputs
)
self.qtgui_const_sink_x_0_0_1.set_update_time(0.10)
self.qtgui_const_sink_x_0_0_1.set_y_axis(-2, 2)
self.qtgui_const_sink_x_0_0_1.set_x_axis(-2, 2)
self.qtgui_const_sink_x_0_0_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "")
self.qtgui_const_sink_x_0_0_1.enable_autoscale(True)
self.qtgui_const_sink_x_0_0_1.enable_grid(False)
self.qtgui_const_sink_x_0_0_1.enable_axis_labels(True)
if not True:
self.qtgui_const_sink_x_0_0_1.disable_legend()
labels = ['', '', '', '', '',
'', '', '', '', '']
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ["blue", "red", "red", "red", "red",
"red", "red", "red", "red", "red"]
styles = [0, 0, 0, 0, 0,
0, 0, 0, 0, 0]
markers = [0, 0, 0, 0, 0,
0, 0, 0, 0, 0]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_const_sink_x_0_0_1.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_const_sink_x_0_0_1.set_line_label(i, labels[i])
self.qtgui_const_sink_x_0_0_1.set_line_width(i, widths[i])
self.qtgui_const_sink_x_0_0_1.set_line_color(i, colors[i])
self.qtgui_const_sink_x_0_0_1.set_line_style(i, styles[i])
self.qtgui_const_sink_x_0_0_1.set_line_marker(i, markers[i])
self.qtgui_const_sink_x_0_0_1.set_line_alpha(i, alphas[i])
self._qtgui_const_sink_x_0_0_1_win = sip.wrapinstance(self.qtgui_const_sink_x_0_0_1.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_const_sink_x_0_0_1_win)
self.qtgui_const_sink_x_0_0 = qtgui.const_sink_c(
1024, #size
"after filter", #name
1 #number of inputs
)
self.qtgui_const_sink_x_0_0.set_update_time(0.10)
self.qtgui_const_sink_x_0_0.set_y_axis(-2, 2)
self.qtgui_const_sink_x_0_0.set_x_axis(-2, 2)
self.qtgui_const_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "")
self.qtgui_const_sink_x_0_0.enable_autoscale(True)
self.qtgui_const_sink_x_0_0.enable_grid(False)
self.qtgui_const_sink_x_0_0.enable_axis_labels(True)
if not True:
self.qtgui_const_sink_x_0_0.disable_legend()
labels = ['', '', '', '', '',
'', '', '', '', '']
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ["blue", "red", "red", "red", "red",
"red", "red", "red", "red", "red"]
styles = [0, 0, 0, 0, 0,
0, 0, 0, 0, 0]
markers = [0, 0, 0, 0, 0,
0, 0, 0, 0, 0]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_const_sink_x_0_0.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_const_sink_x_0_0.set_line_label(i, labels[i])
self.qtgui_const_sink_x_0_0.set_line_width(i, widths[i])
self.qtgui_const_sink_x_0_0.set_line_color(i, colors[i])
self.qtgui_const_sink_x_0_0.set_line_style(i, styles[i])
self.qtgui_const_sink_x_0_0.set_line_marker(i, markers[i])
self.qtgui_const_sink_x_0_0.set_line_alpha(i, alphas[i])
self._qtgui_const_sink_x_0_0_win = sip.wrapinstance(self.qtgui_const_sink_x_0_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_const_sink_x_0_0_win)
self.qtgui_const_sink_x_0 = qtgui.const_sink_c(
1024, #size
"after noise", #name
1 #number of inputs
)
self.qtgui_const_sink_x_0.set_update_time(0.10)
self.qtgui_const_sink_x_0.set_y_axis(-2, 2)
self.qtgui_const_sink_x_0.set_x_axis(-2, 2)
self.qtgui_const_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "")
self.qtgui_const_sink_x_0.enable_autoscale(True)
self.qtgui_const_sink_x_0.enable_grid(False)
self.qtgui_const_sink_x_0.enable_axis_labels(True)
if not True:
self.qtgui_const_sink_x_0.disable_legend()
labels = ['', '', '', '', '',
'', '', '', '', '']
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ["blue", "red", "red", "red", "red",
"red", "red", "red", "red", "red"]
styles = [0, 0, 0, 0, 0,
0, 0, 0, 0, 0]
markers = [0, 0, 0, 0, 0,
0, 0, 0, 0, 0]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_const_sink_x_0.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_const_sink_x_0.set_line_label(i, labels[i])
self.qtgui_const_sink_x_0.set_line_width(i, widths[i])
self.qtgui_const_sink_x_0.set_line_color(i, colors[i])
self.qtgui_const_sink_x_0.set_line_style(i, styles[i])
self.qtgui_const_sink_x_0.set_line_marker(i, markers[i])
self.qtgui_const_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_const_sink_x_0_win = sip.wrapinstance(self.qtgui_const_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_const_sink_x_0_win)
self.oqpsk_dsss_packet_sink_0 = oqpsk_dsss.packet_sink(12, dsss_mode, 0, 0,csv_file,zigbee_channel,int(samp_rate))
self.oqpsk_dsss_access_code_prefixer_0 = oqpsk_dsss.access_code_prefixer(0x00,0x000000a7)
self.ieee802_15_4_rime_stack_0 = ieee802_15_4.rime_stack(([129]), ([131]), ([132]), ([23,42]))
self.ieee802_15_4_mac_0 = ieee802_15_4.mac(True,0x8841,0,0x1aaa,0x0000,0x1780)
self.freq_xlating_fir_filter_lp = filter.freq_xlating_fir_filter_ccc(1, (lowpass_filter), 0, samp_rate)
self.foo_wireshark_connector_0 = foo.wireshark_connector(195, False)
self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff(2, 0.000225, 0.5, 0.03, 0.0002)
self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc((dsss_4_32), 16)
self.digital_burst_shaper_xx_0 = digital.burst_shaper_cc((([])), 0, 4, False, "pdu_length")
self.blocks_vector_source_x_0 = blocks.vector_source_c([0, sin(pi/4), 1, sin(3*pi/4)], True, 1, [])
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
self.blocks_tagged_stream_multiply_length_0 = blocks.tagged_stream_multiply_length(gr.sizeof_gr_complex*1, 'pdu_length', 512)
self.blocks_tag_gate_0 = blocks.tag_gate(gr.sizeof_float * 1, False)
self.blocks_sub_xx_0 = blocks.sub_ff(1)
self.blocks_repeat_0 = blocks.repeat(gr.sizeof_gr_complex*1, 4)
self.blocks_pdu_to_tagged_stream_0_0_0 = blocks.pdu_to_tagged_stream(blocks.byte_t, 'pdu_length')
self.blocks_packed_to_unpacked_xx_0 = blocks.packed_to_unpacked_bb(4, gr.GR_LSB_FIRST)
self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_float*1)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_message_strobe_0_0 = blocks.message_strobe(pmt.intern("Hello World!\n"), 120)
self.blocks_message_debug_0 = blocks.message_debug()
self.blocks_float_to_complex_0 = blocks.float_to_complex(1)
self.blocks_file_sink_1 = blocks.file_sink(gr.sizeof_char*1, '/home/ousseynou/ZIGBEE.pcap', False)
self.blocks_file_sink_1.set_unbuffered(True)
self.blocks_delay_0 = blocks.delay(gr.sizeof_float*1, 2)
self.blocks_complex_to_float_0 = blocks.complex_to_float(1)
self.blocks_add_xx_0 = blocks.add_vcc(1)
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(1)
self.analog_noise_source_x_0 = analog.noise_source_c(analog.GR_GAUSSIAN, 0.5, 0)
##################################################
# Connections
##################################################
self.msg_connect((self.blocks_message_strobe_0_0, 'strobe'), (self.ieee802_15_4_rime_stack_0, 'bcin'))
self.msg_connect((self.ieee802_15_4_mac_0, 'app out'), (self.ieee802_15_4_rime_stack_0, 'fromMAC'))
self.msg_connect((self.ieee802_15_4_mac_0, 'pdu out'), (self.oqpsk_dsss_access_code_prefixer_0, 'in'))
self.msg_connect((self.ieee802_15_4_rime_stack_0, 'toMAC'), (self.ieee802_15_4_mac_0, 'app in'))
self.msg_connect((self.oqpsk_dsss_access_code_prefixer_0, 'out'), (self.blocks_pdu_to_tagged_stream_0_0_0, 'pdus'))
self.msg_connect((self.oqpsk_dsss_packet_sink_0, 'out'), (self.blocks_message_debug_0, 'print'))
self.msg_connect((self.oqpsk_dsss_packet_sink_0, 'out'), (self.blocks_message_debug_0, 'print_pdu'))
self.msg_connect((self.oqpsk_dsss_packet_sink_0, 'out'), (self.foo_wireshark_connector_0, 'in'))
self.connect((self.analog_noise_source_x_0, 0), (self.blocks_add_xx_0, 1))
self.connect((self.analog_quadrature_demod_cf_0, 0), (self.blocks_sub_xx_0, 0))
self.connect((self.analog_quadrature_demod_cf_0, 0), (self.single_pole_iir_filter_xx_0, 0))
self.connect((self.blocks_add_xx_0, 0), (self.analog_quadrature_demod_cf_0, 0))
self.connect((self.blocks_add_xx_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.blocks_add_xx_0, 0), (self.qtgui_const_sink_x_0, 0))
self.connect((self.blocks_complex_to_float_0, 1), (self.blocks_delay_0, 0))
self.connect((self.blocks_complex_to_float_0, 0), (self.blocks_float_to_complex_0, 0))
self.connect((self.blocks_delay_0, 0), (self.blocks_tag_gate_0, 0))
self.connect((self.blocks_float_to_complex_0, 0), (self.blocks_add_xx_0, 0))
self.connect((self.blocks_multiply_xx_0, 0), (self.blocks_tagged_stream_multiply_length_0, 0))
self.connect((self.blocks_packed_to_unpacked_xx_0, 0), (self.digital_chunks_to_symbols_xx_0, 0))
self.connect((self.blocks_pdu_to_tagged_stream_0_0_0, 0), (self.blocks_packed_to_unpacked_xx_0, 0))
self.connect((self.blocks_repeat_0, 0), (self.blocks_multiply_xx_0, 1))
self.connect((self.blocks_repeat_0, 0), (self.qtgui_const_sink_x_1, 0))
self.connect((self.blocks_sub_xx_0, 0), (self.digital_clock_recovery_mm_xx_0, 0))
self.connect((self.blocks_tag_gate_0, 0), (self.blocks_float_to_complex_0, 1))
self.connect((self.blocks_tagged_stream_multiply_length_0, 0), (self.digital_burst_shaper_xx_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.freq_xlating_fir_filter_lp, 0))
self.connect((self.blocks_vector_source_x_0, 0), (self.blocks_multiply_xx_0, 0))
self.connect((self.digital_burst_shaper_xx_0, 0), (self.blocks_complex_to_float_0, 0))
self.connect((self.digital_chunks_to_symbols_xx_0, 0), (self.blocks_repeat_0, 0))
self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.blocks_null_sink_0, 0))
self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.oqpsk_dsss_packet_sink_0, 0))
self.connect((self.foo_wireshark_connector_0, 0), (self.blocks_file_sink_1, 0))
self.connect((self.freq_xlating_fir_filter_lp, 0), (self.qtgui_const_sink_x_0_0, 0))
self.connect((self.freq_xlating_fir_filter_lp, 0), (self.qtgui_const_sink_x_0_1, 0))
self.connect((self.single_pole_iir_filter_xx_0, 0), (self.blocks_sub_xx_0, 1))
def __init__(self, parameter_0=0):
gr.top_block.__init__(self, "BER 4FSK ")
Qt.QWidget.__init__(self)
self.setWindowTitle("BER 4FSK ")
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", "rrc_heir")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Parameters
##################################################
self.parameter_0 = parameter_0
##################################################
# Variables
##################################################
self.samp_per_sym = samp_per_sym = 120
self.symb_rate = symb_rate = 1200
self.rrc_taps = rrc_taps = samp_per_sym * 6 + 1
self.tcola_r = tcola_r = 1
self.tcola_m = tcola_m = 32
self.symbol_delay = symbol_delay = rrc_taps / samp_per_sym
self.samp_rate = samp_rate = symb_rate * samp_per_sym
self.noise = noise = 0
self.fsk_deviation_hz = fsk_deviation_hz = 648
self.fc = fc = 900e6
self.bits_per_sym = bits_per_sym = 2
##################################################
# Blocks
##################################################
self._noise_range = Range(0, 5, 0.01, 0, 200)
self._noise_win = RangeWidget(self._noise_range, self.set_noise,
"Noise", "counter_slider", float)
self.top_layout.addWidget(self._noise_win)
self.tcola_time_compression_0 = tcola.time_compression_c(
tcola_m, tcola_r, ())
self.tcola_overlap_add_0 = tcola.overlap_add_c(tcola_m, tcola_r, ())
self.qtgui_time_sink_x_0_0 = qtgui.time_sink_f(
100, #size
samp_rate, #samp_rate
"", #name
2 #number of inputs
)
self.qtgui_time_sink_x_0_0.set_update_time(0.10)
self.qtgui_time_sink_x_0_0.set_y_axis(0, 3)
self.qtgui_time_sink_x_0_0.set_y_label("Amplitude", "")
self.qtgui_time_sink_x_0_0.enable_tags(-1, True)
self.qtgui_time_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE,
qtgui.TRIG_SLOPE_POS, 0.0,
0, 0, "")
self.qtgui_time_sink_x_0_0.enable_autoscale(True)
self.qtgui_time_sink_x_0_0.enable_grid(False)
self.qtgui_time_sink_x_0_0.enable_control_panel(False)
if not True:
self.qtgui_time_sink_x_0_0.disable_legend()
labels = [
"Symbols", "Received Symbols", "RRC RX", "", "", "", "", "", "", ""
]
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 = [0, 2, -1, -1, -1, -1, -1, -1, -1, -1]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(2):
if len(labels[i]) == 0:
self.qtgui_time_sink_x_0_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_0_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_0_win = sip.wrapinstance(
self.qtgui_time_sink_x_0_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_time_sink_x_0_0_win)
self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
4096, #size
samp_rate, #samp_rate
"", #name
3 #number of inputs
)
self.qtgui_time_sink_x_0.set_update_time(0.10)
self.qtgui_time_sink_x_0.set_y_axis(-1, 1)
self.qtgui_time_sink_x_0.set_y_label("Amplitude", "")
self.qtgui_time_sink_x_0.enable_tags(-1, True)
self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE,
qtgui.TRIG_SLOPE_POS, 0.0, 0,
0, "")
self.qtgui_time_sink_x_0.enable_autoscale(False)
self.qtgui_time_sink_x_0.enable_grid(False)
self.qtgui_time_sink_x_0.enable_control_panel(False)
if not True:
self.qtgui_time_sink_x_0.disable_legend()
labels = ["Post RRC Tx", "Post RRC Rx", "", "", "", "", "", "", "", ""]
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(3):
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.qtgui_number_sink_0_0 = qtgui.number_sink(gr.sizeof_float, 0,
qtgui.NUM_GRAPH_HORIZ,
1)
self.qtgui_number_sink_0_0.set_update_time(0.10)
self.qtgui_number_sink_0_0.set_title("")
labels = ["", "", "", "", "", "", "", "", "", ""]
units = ["", "", "", "", "", "", "", "", "", ""]
colors = [("black", "black"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black")]
factor = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
for i in xrange(1):
self.qtgui_number_sink_0_0.set_min(i, 0.0)
self.qtgui_number_sink_0_0.set_max(i, 1)
self.qtgui_number_sink_0_0.set_color(i, colors[i][0], colors[i][1])
if len(labels[i]) == 0:
self.qtgui_number_sink_0_0.set_label(i, "Data {0}".format(i))
else:
self.qtgui_number_sink_0_0.set_label(i, labels[i])
self.qtgui_number_sink_0_0.set_unit(i, units[i])
self.qtgui_number_sink_0_0.set_factor(i, factor[i])
self.qtgui_number_sink_0_0.enable_autoscale(False)
self._qtgui_number_sink_0_0_win = sip.wrapinstance(
self.qtgui_number_sink_0_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_number_sink_0_0_win)
self.qtgui_number_sink_0 = qtgui.number_sink(gr.sizeof_float, 0,
qtgui.NUM_GRAPH_HORIZ, 1)
self.qtgui_number_sink_0.set_update_time(0.10)
self.qtgui_number_sink_0.set_title("")
labels = ["", "", "", "", "", "", "", "", "", ""]
units = ["", "", "", "", "", "", "", "", "", ""]
colors = [("black", "black"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black")]
factor = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
for i in xrange(1):
self.qtgui_number_sink_0.set_min(i, -7)
self.qtgui_number_sink_0.set_max(i, 0)
self.qtgui_number_sink_0.set_color(i, colors[i][0], colors[i][1])
if len(labels[i]) == 0:
self.qtgui_number_sink_0.set_label(i, "Data {0}".format(i))
else:
self.qtgui_number_sink_0.set_label(i, labels[i])
self.qtgui_number_sink_0.set_unit(i, units[i])
self.qtgui_number_sink_0.set_factor(i, factor[i])
self.qtgui_number_sink_0.enable_autoscale(False)
self._qtgui_number_sink_0_win = sip.wrapinstance(
self.qtgui_number_sink_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_number_sink_0_win)
self.four_level_rrc_transmitter_0 = four_level_rrc_transmitter(
alpha=0.350,
bits_per_symbol=2,
rrc_taps=rrc_taps,
samp_per_sym=samp_per_sym,
sym_rate=symb_rate,
)
self.four_level_rrc_receiver_0_0 = four_level_rrc_receiver(
alpha=0.350,
bits_per_sym=2,
rrc_taps=rrc_taps,
samp_per_sym=samp_per_sym,
sym_rate=symb_rate,
)
self.four_level_rrc_receiver_0 = four_level_rrc_receiver(
alpha=0.350,
bits_per_sym=2,
rrc_taps=rrc_taps,
samp_per_sym=samp_per_sym,
sym_rate=symb_rate,
)
self.fec_ber_bf_0 = fec.ber_bf(False, 100, -7.0)
self.digital_glfsr_source_x_0 = digital.glfsr_source_b(8, True, 0, 1)
self.channels_channel_model_0 = channels.channel_model(
noise_voltage=noise,
frequency_offset=0.0,
epsilon=1.0,
taps=(1, ),
noise_seed=0,
block_tags=False)
self.blocks_vco_c_0 = blocks.vco_c(samp_rate,
fsk_deviation_hz * 2 * math.pi, 1)
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 = blocks.null_sink(gr.sizeof_char * 1)
self.blocks_delay_2 = blocks.delay(
gr.sizeof_char * 1, (symbol_delay + symb_rate) * bits_per_sym - 2)
self.blocks_delay_0_0_0 = blocks.delay(gr.sizeof_gr_complex * 1,
samp_rate)
self.blocks_delay_0_0 = blocks.delay(gr.sizeof_gr_complex * 1,
samp_rate - tcola_m)
self.blocks_delay_0 = blocks.delay(
gr.sizeof_float * 1, symbol_delay * samp_per_sym / 2 + samp_rate)
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.blks2_error_rate_0 = grc_blks2.error_rate(
type='BER',
win_size=1000,
bits_per_symbol=1,
)
self.analog_quadrature_demod_cf_0_0 = analog.quadrature_demod_cf(
samp_rate / (2 * math.pi * fsk_deviation_hz))
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(
samp_rate / (2 * math.pi * fsk_deviation_hz))
##################################################
# Connections
##################################################
self.connect((self.analog_quadrature_demod_cf_0, 0),
(self.four_level_rrc_receiver_0, 0))
self.connect((self.analog_quadrature_demod_cf_0_0, 0),
(self.four_level_rrc_receiver_0_0, 0))
self.connect((self.blks2_error_rate_0, 0),
(self.qtgui_number_sink_0_0, 0))
self.connect((self.blocks_char_to_float_0, 0),
(self.qtgui_time_sink_x_0_0, 1))
self.connect((self.blocks_char_to_float_0_0, 0),
(self.qtgui_time_sink_x_0_0, 0))
self.connect((self.blocks_delay_0, 0), (self.qtgui_time_sink_x_0, 0))
self.connect((self.blocks_delay_0_0, 0),
(self.analog_quadrature_demod_cf_0, 0))
self.connect((self.blocks_delay_0_0_0, 0),
(self.analog_quadrature_demod_cf_0_0, 0))
self.connect((self.blocks_delay_2, 0), (self.blks2_error_rate_0, 0))
self.connect((self.blocks_delay_2, 0),
(self.blocks_char_to_float_0_0, 0))
self.connect((self.blocks_delay_2, 0),
(self.blocks_pack_k_bits_bb_0, 0))
self.connect((self.blocks_pack_k_bits_bb_0, 0), (self.fec_ber_bf_0, 0))
self.connect((self.blocks_pack_k_bits_bb_0_0, 0),
(self.fec_ber_bf_0, 1))
self.connect((self.blocks_vco_c_0, 0), (self.blocks_delay_0_0_0, 0))
self.connect((self.blocks_vco_c_0, 0),
(self.tcola_time_compression_0, 0))
self.connect((self.channels_channel_model_0, 0),
(self.tcola_overlap_add_0, 0))
self.connect((self.digital_glfsr_source_x_0, 0),
(self.blocks_delay_2, 0))
self.connect((self.digital_glfsr_source_x_0, 0),
(self.four_level_rrc_transmitter_0, 0))
self.connect((self.fec_ber_bf_0, 0), (self.qtgui_number_sink_0, 0))
self.connect((self.four_level_rrc_receiver_0, 2),
(self.blks2_error_rate_0, 1))
self.connect((self.four_level_rrc_receiver_0, 2),
(self.blocks_char_to_float_0, 0))
self.connect((self.four_level_rrc_receiver_0, 2),
(self.blocks_pack_k_bits_bb_0_0, 0))
self.connect((self.four_level_rrc_receiver_0, 0),
(self.qtgui_time_sink_x_0, 1))
self.connect((self.four_level_rrc_receiver_0_0, 2),
(self.blocks_null_sink_0, 0))
self.connect((self.four_level_rrc_receiver_0_0, 0),
(self.qtgui_time_sink_x_0, 2))
self.connect((self.four_level_rrc_transmitter_0, 1),
(self.blocks_delay_0, 0))
self.connect((self.four_level_rrc_transmitter_0, 1),
(self.blocks_vco_c_0, 0))
self.connect((self.tcola_overlap_add_0, 0), (self.blocks_delay_0_0, 0))
self.connect((self.tcola_time_compression_0, 0),
(self.channels_channel_model_0, 0))
def __init__(self):
gr.top_block.__init__(self, "OPS-SAT UHF demodulator/decoder")
Qt.QWidget.__init__(self)
self.setWindowTitle("OPS-SAT UHF demodulator/decoder")
qtgui.util.check_set_qss()
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "os_demod_decode")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 57600
self.baud_rate = baud_rate = 9600
self.gaussian_taps = gaussian_taps = firdes.gaussian(
1.5, 2 * (samp_rate / baud_rate), 0.5, 12)
self.gain_mu = gain_mu = 0.175
##################################################
# Blocks
##################################################
self.zeromq_sub_source_0 = zeromq.sub_source(gr.sizeof_gr_complex, 1,
'tcp://127.0.0.1:5555',
100, False, -1)
self.zeromq_pub_sink_0 = zeromq.pub_sink(gr.sizeof_char, 1,
'tcp://127.0.0.1:38211', 100,
False, -1)
self.satellites_strip_ax25_header_0 = satellites.strip_ax25_header()
self.satellites_nrzi_decode_0 = satellites.nrzi_decode()
self.satellites_hdlc_deframer_0_0 = satellites.hdlc_deframer(
check_fcs=True, max_length=1000)
self.satellites_decode_rs_0 = satellites.decode_rs(True, 0)
self.satellites_check_address_0 = satellites.check_address(
'DP0OPS', "from")
self.qtgui_waterfall_sink_x_0 = qtgui.waterfall_sink_c(
512, #size
firdes.WIN_HAMMING, #wintype
0, #fc
samp_rate, #bw
"OPS-SAT UHF BEACON", #name
1 #number of inputs
)
self.qtgui_waterfall_sink_x_0.set_update_time(0.03)
self.qtgui_waterfall_sink_x_0.enable_grid(False)
self.qtgui_waterfall_sink_x_0.enable_axis_labels(True)
if not True:
self.qtgui_waterfall_sink_x_0.disable_legend()
if "complex" == "float" or "complex" == "msg_float":
self.qtgui_waterfall_sink_x_0.set_plot_pos_half(not True)
labels = ['', '', '', '', '', '', '', '', '', '']
colors = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_waterfall_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_waterfall_sink_x_0.set_line_label(i, labels[i])
self.qtgui_waterfall_sink_x_0.set_color_map(i, colors[i])
self.qtgui_waterfall_sink_x_0.set_line_alpha(i, alphas[i])
self.qtgui_waterfall_sink_x_0.set_intensity_range(-140, 10)
self._qtgui_waterfall_sink_x_0_win = sip.wrapinstance(
self.qtgui_waterfall_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_waterfall_sink_x_0_win)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
512, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #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_y_label('Relative Gain', 'dB')
self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0,
"")
self.qtgui_freq_sink_x_0.enable_autoscale(False)
self.qtgui_freq_sink_x_0.enable_grid(False)
self.qtgui_freq_sink_x_0.set_fft_average(0.1)
self.qtgui_freq_sink_x_0.enable_axis_labels(True)
self.qtgui_freq_sink_x_0.enable_control_panel(False)
if not True:
self.qtgui_freq_sink_x_0.disable_legend()
if "complex" == "float" or "complex" == "msg_float":
self.qtgui_freq_sink_x_0.set_plot_pos_half(not True)
labels = ['', '', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "dark blue"
]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_freq_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_0.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_0.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_0.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_0_win = sip.wrapinstance(
self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win)
self.fir_filter_xxx_0 = filter.fir_filter_fff(1, (gaussian_taps))
self.fir_filter_xxx_0.declare_sample_delay(0)
self.digital_descrambler_bb_0_0 = digital.descrambler_bb(0x21, 0, 16)
self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff(
(samp_rate / baud_rate) * (1 + 0.0), 0.25 * gain_mu * gain_mu, 0.5,
gain_mu, 0.005)
self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
self.digital_additive_scrambler_bb_0_0 = digital.additive_scrambler_bb(
0xA9,
0xFF,
7,
count=0,
bits_per_byte=1,
reset_tag_key="packet_len")
self.blocks_unpacked_to_packed_xx_0_0_0_0 = blocks.unpacked_to_packed_bb(
1, gr.GR_MSB_FIRST)
self.blocks_tagged_stream_to_pdu_0_0_0_0_0 = blocks.tagged_stream_to_pdu(
blocks.byte_t, 'packet_len')
self.blocks_pdu_to_tagged_stream_1 = blocks.pdu_to_tagged_stream(
blocks.byte_t, 'packet_len')
self.blocks_pdu_to_tagged_stream_0 = blocks.pdu_to_tagged_stream(
blocks.byte_t, 'packet_len')
self.blocks_packed_to_unpacked_xx_0 = blocks.packed_to_unpacked_bb(
1, gr.GR_MSB_FIRST)
self.blocks_message_debug_0 = blocks.message_debug()
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(
2 * (samp_rate / baud_rate) / (math.pi))
##################################################
# Connections
##################################################
self.msg_connect((self.blocks_tagged_stream_to_pdu_0_0_0_0_0, 'pdus'),
(self.satellites_decode_rs_0, 'in'))
self.msg_connect((self.satellites_check_address_0, 'ok'),
(self.satellites_strip_ax25_header_0, 'in'))
self.msg_connect((self.satellites_decode_rs_0, 'out'),
(self.blocks_message_debug_0, 'print_pdu'))
self.msg_connect((self.satellites_decode_rs_0, 'out'),
(self.blocks_pdu_to_tagged_stream_1, 'pdus'))
self.msg_connect((self.satellites_hdlc_deframer_0_0, 'out'),
(self.satellites_check_address_0, 'in'))
self.msg_connect((self.satellites_strip_ax25_header_0, 'out'),
(self.blocks_pdu_to_tagged_stream_0, 'pdus'))
self.connect((self.analog_quadrature_demod_cf_0, 0),
(self.fir_filter_xxx_0, 0))
self.connect((self.blocks_packed_to_unpacked_xx_0, 0),
(self.digital_additive_scrambler_bb_0_0, 0))
self.connect((self.blocks_pdu_to_tagged_stream_0, 0),
(self.blocks_packed_to_unpacked_xx_0, 0))
self.connect((self.blocks_pdu_to_tagged_stream_1, 0),
(self.zeromq_pub_sink_0, 0))
self.connect((self.blocks_unpacked_to_packed_xx_0_0_0_0, 0),
(self.blocks_tagged_stream_to_pdu_0_0_0_0_0, 0))
self.connect((self.digital_additive_scrambler_bb_0_0, 0),
(self.blocks_unpacked_to_packed_xx_0_0_0_0, 0))
self.connect((self.digital_binary_slicer_fb_0, 0),
(self.satellites_nrzi_decode_0, 0))
self.connect((self.digital_clock_recovery_mm_xx_0, 0),
(self.digital_binary_slicer_fb_0, 0))
self.connect((self.digital_descrambler_bb_0_0, 0),
(self.satellites_hdlc_deframer_0_0, 0))
self.connect((self.fir_filter_xxx_0, 0),
(self.digital_clock_recovery_mm_xx_0, 0))
self.connect((self.satellites_nrzi_decode_0, 0),
(self.digital_descrambler_bb_0_0, 0))
self.connect((self.zeromq_sub_source_0, 0),
(self.analog_quadrature_demod_cf_0, 0))
self.connect((self.zeromq_sub_source_0, 0),
(self.qtgui_freq_sink_x_0, 0))
self.connect((self.zeromq_sub_source_0, 0),
(self.qtgui_waterfall_sink_x_0, 0))
def __init__(self):
gr.top_block.__init__(self, "AIS receiver")
Qt.QWidget.__init__(self)
self.setWindowTitle("AIS receiver")
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", "ais_rx")
try:
if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"):
self.restoreGeometry(
self.settings.value("geometry").toByteArray())
else:
self.restoreGeometry(self.settings.value("geometry"))
except:
pass
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 1e6
self.xlate_filter_taps = xlate_filter_taps = firdes.low_pass(
1, samp_rate, 15000, 20000, firdes.WIN_HAMMING, 6.76)
##################################################
# Blocks
##################################################
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.osmosdr_source_0 = osmosdr.source(args="numchan=" + str(1) + " " +
'rtl=0')
self.osmosdr_source_0.set_time_unknown_pps(osmosdr.time_spec_t())
self.osmosdr_source_0.set_sample_rate(samp_rate)
self.osmosdr_source_0.set_center_freq(162e6, 0)
self.osmosdr_source_0.set_freq_corr(104, 0)
self.osmosdr_source_0.set_gain(10, 0)
self.osmosdr_source_0.set_if_gain(20, 0)
self.osmosdr_source_0.set_bb_gain(20, 0)
self.osmosdr_source_0.set_antenna('', 0)
self.osmosdr_source_0.set_bandwidth(0, 0)
self.blocks_interleave_0 = blocks.interleave(gr.sizeof_short * 1, 1)
self.blocks_float_to_short_0_0 = blocks.float_to_short(1, 16000)
self.blocks_float_to_short_0 = blocks.float_to_short(1, 16000)
self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_short * 1,
'aisfifo', False)
self.blocks_file_sink_0.set_unbuffered(False)
self.analog_quadrature_demod_cf_0_0 = analog.quadrature_demod_cf(0.3)
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(0.3)
##################################################
# Connections
##################################################
self.connect((self.analog_quadrature_demod_cf_0, 0),
(self.rational_resampler_xxx_1, 0))
self.connect((self.analog_quadrature_demod_cf_0_0, 0),
(self.rational_resampler_xxx_1_0, 0))
self.connect((self.blocks_float_to_short_0, 0),
(self.blocks_interleave_0, 1))
self.connect((self.blocks_float_to_short_0_0, 0),
(self.blocks_interleave_0, 0))
self.connect((self.blocks_interleave_0, 0),
(self.blocks_file_sink_0, 0))
self.connect((self.osmosdr_source_0, 0),
(self.analog_quadrature_demod_cf_0, 0))
self.connect((self.osmosdr_source_0, 0),
(self.analog_quadrature_demod_cf_0_0, 0))
self.connect((self.rational_resampler_xxx_1, 0),
(self.blocks_float_to_short_0, 0))
self.connect((self.rational_resampler_xxx_1_0, 0),
(self.blocks_float_to_short_0_0, 0))
def __init__(self,
samples_per_symbol=_def_samples_per_symbol,
sensitivity=_def_sensitivity,
gain_mu=_def_gain_mu,
mu=_def_mu,
omega_relative_limit=_def_omega_relative_limit,
freq_error=_def_freq_error,
verbose=_def_verbose,
log=_def_log):
gr.hier_block2.__init__(self, "gfsk_demod",
gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature
gr.io_signature(1, 1, gr.sizeof_char)) # Output signature
self._samples_per_symbol = samples_per_symbol
self._gain_mu = gain_mu
self._omega_relative_limit = omega_relative_limit
self._freq_error = freq_error
self._differential = False
if samples_per_symbol < 2:
raise TypeError("samples_per_symbol >= 2, is %f" % samples_per_symbol)
self._omega = samples_per_symbol*(1+self._freq_error)
if not self._gain_mu:
self._gain_mu = 0.175
self._gain_omega = .25 * self._gain_mu * self._gain_mu # critically damped
self._damping = 1.0
self._loop_bw = -ln((self._gain_mu + self._gain_omega)/(-2.0) + 1) # critically damped
self._max_dev = self._omega_relative_limit * self._samples_per_symbol
# Demodulate FM
#sensitivity = (pi / 2) / samples_per_symbol
self.fmdemod = analog.quadrature_demod_cf(1.0 / sensitivity)
# the clock recovery block tracks the symbol clock and resamples as needed.
# the output of the block is a stream of soft symbols (float)
self.clock_recovery = self.digital_symbol_sync_xx_0 = digital.symbol_sync_ff(digital.TED_MUELLER_AND_MULLER,
self._omega,
self._loop_bw,
self._damping,
1.0, # Expected TED gain
self._max_dev,
1, # Output sps
digital.constellation_bpsk().base(),
digital.IR_MMSE_8TAP,
128,
[])
# slice the floats at 0, outputting 1 bit (the LSB of the output byte) per sample
self.slicer = digital.binary_slicer_fb()
if verbose:
self._print_verbage()
if log:
self._setup_logging()
# Connect & Initialize base class
self.connect(self, self.fmdemod, self.clock_recovery, self.slicer, self)
def __init__(self, channel=11, channel_max=11, channel_min=11):
gr.top_block.__init__(self, "Top Block")
##################################################
# Parameters
##################################################
self.channel = channel
self.channel_max = channel_max
self.channel_min = channel_min
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 4000000
##################################################
# Blocks
##################################################
self.zigbee_packet_sink_scapy_0 = zigbee.packet_sink_scapy(10)
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(
1000000 * (2400 + 5 * (channel - 10)), 0)
self.uhd_usrp_source_0.set_gain(40, 0)
self.uhd_usrp_source_0.set_antenna('RX2', 0)
self.uhd_usrp_source_0.set_auto_dc_offset(False, 0)
self.uhd_usrp_source_0.set_auto_iq_balance(False, 0)
self.single_pole_iir_filter_xx_0 = filter.single_pole_iir_filter_ff(
0.00016, 1)
self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff(
2, 0.000225, 0.5, 0.03, 0.0002)
self.blocks_sub_xx_0 = blocks.sub_ff(1)
self.blocks_socket_pdu_0_0_0 = blocks.socket_pdu(
"UDP_CLIENT", '127.0.0.1', '52002', 10000, False)
self.blocks_message_debug_0 = blocks.message_debug()
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(1)
##################################################
# Connections
##################################################
self.msg_connect((self.zigbee_packet_sink_scapy_0, 'out'),
(self.blocks_message_debug_0, 'print_pdu'))
self.msg_connect((self.zigbee_packet_sink_scapy_0, 'out'),
(self.blocks_socket_pdu_0_0_0, 'pdus'))
self.connect((self.analog_quadrature_demod_cf_0, 0),
(self.blocks_sub_xx_0, 0))
self.connect((self.analog_quadrature_demod_cf_0, 0),
(self.single_pole_iir_filter_xx_0, 0))
self.connect((self.blocks_sub_xx_0, 0),
(self.digital_clock_recovery_mm_xx_0, 0))
self.connect((self.digital_clock_recovery_mm_xx_0, 0),
(self.zigbee_packet_sink_scapy_0, 0))
self.connect((self.single_pole_iir_filter_xx_0, 0),
(self.blocks_sub_xx_0, 1))
self.connect((self.uhd_usrp_source_0, 0),
(self.analog_quadrature_demod_cf_0, 0))
def __init__(self, meta_rate=10):
gr.top_block.__init__(self, "Fox1D Playback")
Qt.QWidget.__init__(self)
self.setWindowTitle("Fox1D Playback")
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", "fox1d_playback")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Parameters
##################################################
self.meta_rate = meta_rate
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 250e3
self.decim = decim = 5
self.baud = baud = 9600
self.xlate_taps_old = xlate_taps_old = firdes.low_pass(
1.0, samp_rate, samp_rate / 2, 1000, firdes.WIN_HAMMING, 6.76)
self.xlate_taps = xlate_taps = firdes.low_pass(1.0, samp_rate, 15e3,
1000,
firdes.WIN_HAMMING,
6.76)
self.volume = volume = 0.01
self.throttle_factor = throttle_factor = 1
self.samps_per_symb = samps_per_symb = samp_rate / decim / baud
self.rf_lpf_cutoff = rf_lpf_cutoff = 8e3
self.fsk_deviation_hz = fsk_deviation_hz = 4000
self.fll_loop_bw_fine = fll_loop_bw_fine = 0.0001
self.fll_loop_bw = fll_loop_bw = math.pi / 200
self.audio_lpf_cutoff = audio_lpf_cutoff = 7e3
##################################################
# Blocks
##################################################
self._volume_tool_bar = Qt.QToolBar(self)
self._volume_tool_bar.addWidget(Qt.QLabel("volume" + ": "))
self._volume_line_edit = Qt.QLineEdit(str(self.volume))
self._volume_tool_bar.addWidget(self._volume_line_edit)
self._volume_line_edit.returnPressed.connect(lambda: self.set_volume(
eng_notation.str_to_num(
str(self._volume_line_edit.text().toAscii()))))
self.top_grid_layout.addWidget(self._volume_tool_bar, 7, 4, 1, 2)
for r in range(7, 8):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(4, 6):
self.top_grid_layout.setColumnStretch(c, 1)
self._throttle_factor_tool_bar = Qt.QToolBar(self)
self._throttle_factor_tool_bar.addWidget(
Qt.QLabel("throttle_factor" + ": "))
self._throttle_factor_line_edit = Qt.QLineEdit(
str(self.throttle_factor))
self._throttle_factor_tool_bar.addWidget(
self._throttle_factor_line_edit)
self._throttle_factor_line_edit.returnPressed.connect(
lambda: self.set_throttle_factor(
eng_notation.str_to_num(
str(self._throttle_factor_line_edit.text().toAscii()))))
self.top_grid_layout.addWidget(self._throttle_factor_tool_bar, 6, 4, 1,
2)
for r in range(6, 7):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(4, 6):
self.top_grid_layout.setColumnStretch(c, 1)
self._rf_lpf_cutoff_tool_bar = Qt.QToolBar(self)
self._rf_lpf_cutoff_tool_bar.addWidget(
Qt.QLabel("rf_lpf_cutoff" + ": "))
self._rf_lpf_cutoff_line_edit = Qt.QLineEdit(str(self.rf_lpf_cutoff))
self._rf_lpf_cutoff_tool_bar.addWidget(self._rf_lpf_cutoff_line_edit)
self._rf_lpf_cutoff_line_edit.returnPressed.connect(
lambda: self.set_rf_lpf_cutoff(
eng_notation.str_to_num(
str(self._rf_lpf_cutoff_line_edit.text().toAscii()))))
self.top_grid_layout.addWidget(self._rf_lpf_cutoff_tool_bar, 6, 0, 1,
2)
for r in range(6, 7):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 2):
self.top_grid_layout.setColumnStretch(c, 1)
self._fll_loop_bw_fine_tool_bar = Qt.QToolBar(self)
self._fll_loop_bw_fine_tool_bar.addWidget(
Qt.QLabel("fll_loop_bw_fine" + ": "))
self._fll_loop_bw_fine_line_edit = Qt.QLineEdit(
str(self.fll_loop_bw_fine))
self._fll_loop_bw_fine_tool_bar.addWidget(
self._fll_loop_bw_fine_line_edit)
self._fll_loop_bw_fine_line_edit.returnPressed.connect(
lambda: self.set_fll_loop_bw_fine(
eng_notation.str_to_num(
str(self._fll_loop_bw_fine_line_edit.text().toAscii()))))
self.top_grid_layout.addWidget(self._fll_loop_bw_fine_tool_bar, 7, 2,
1, 2)
for r in range(7, 8):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(2, 4):
self.top_grid_layout.setColumnStretch(c, 1)
self._fll_loop_bw_tool_bar = Qt.QToolBar(self)
self._fll_loop_bw_tool_bar.addWidget(Qt.QLabel("fll_loop_bw" + ": "))
self._fll_loop_bw_line_edit = Qt.QLineEdit(str(self.fll_loop_bw))
self._fll_loop_bw_tool_bar.addWidget(self._fll_loop_bw_line_edit)
self._fll_loop_bw_line_edit.returnPressed.connect(
lambda: self.set_fll_loop_bw(
eng_notation.str_to_num(
str(self._fll_loop_bw_line_edit.text().toAscii()))))
self.top_grid_layout.addWidget(self._fll_loop_bw_tool_bar, 6, 2, 1, 2)
for r in range(6, 7):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(2, 4):
self.top_grid_layout.setColumnStretch(c, 1)
self._audio_lpf_cutoff_tool_bar = Qt.QToolBar(self)
self._audio_lpf_cutoff_tool_bar.addWidget(
Qt.QLabel("audio_lpf_cutoff" + ": "))
self._audio_lpf_cutoff_line_edit = Qt.QLineEdit(
str(self.audio_lpf_cutoff))
self._audio_lpf_cutoff_tool_bar.addWidget(
self._audio_lpf_cutoff_line_edit)
self._audio_lpf_cutoff_line_edit.returnPressed.connect(
lambda: self.set_audio_lpf_cutoff(
eng_notation.str_to_num(
str(self._audio_lpf_cutoff_line_edit.text().toAscii()))))
self.top_grid_layout.addWidget(self._audio_lpf_cutoff_tool_bar, 7, 0,
1, 2)
for r in range(7, 8):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 2):
self.top_grid_layout.setColumnStretch(c, 1)
self.rational_resampler_xxx_1 = filter.rational_resampler_ccc(
interpolation=1,
decimation=4,
taps=None,
fractional_bw=None,
)
self.rational_resampler_xxx_0_0 = filter.rational_resampler_ccc(
interpolation=1,
decimation=4,
taps=None,
fractional_bw=None,
)
self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=48,
decimation=50,
taps=None,
fractional_bw=None,
)
self.qtgui_waterfall_sink_x_0_0 = qtgui.waterfall_sink_c(
2048, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate / decim, #bw
"corrected", #name
1 #number of inputs
)
self.qtgui_waterfall_sink_x_0_0.set_update_time(0.010)
self.qtgui_waterfall_sink_x_0_0.enable_grid(False)
self.qtgui_waterfall_sink_x_0_0.enable_axis_labels(True)
if not True:
self.qtgui_waterfall_sink_x_0_0.disable_legend()
if "complex" == "float" or "complex" == "msg_float":
self.qtgui_waterfall_sink_x_0_0.set_plot_pos_half(not True)
labels = ['', '', '', '', '', '', '', '', '', '']
colors = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_waterfall_sink_x_0_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_waterfall_sink_x_0_0.set_line_label(i, labels[i])
self.qtgui_waterfall_sink_x_0_0.set_color_map(i, colors[i])
self.qtgui_waterfall_sink_x_0_0.set_line_alpha(i, alphas[i])
self.qtgui_waterfall_sink_x_0_0.set_intensity_range(-80, 0)
self._qtgui_waterfall_sink_x_0_0_win = sip.wrapinstance(
self.qtgui_waterfall_sink_x_0_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_waterfall_sink_x_0_0_win, 2,
4, 2, 4)
for r in range(2, 4):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(4, 8):
self.top_grid_layout.setColumnStretch(c, 1)
self.qtgui_waterfall_sink_x_0 = qtgui.waterfall_sink_c(
2048, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate / decim, #bw
"Pre-D", #name
1 #number of inputs
)
self.qtgui_waterfall_sink_x_0.set_update_time(0.010)
self.qtgui_waterfall_sink_x_0.enable_grid(False)
self.qtgui_waterfall_sink_x_0.enable_axis_labels(True)
if not True:
self.qtgui_waterfall_sink_x_0.disable_legend()
if "complex" == "float" or "complex" == "msg_float":
self.qtgui_waterfall_sink_x_0.set_plot_pos_half(not True)
labels = ['', '', '', '', '', '', '', '', '', '']
colors = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_waterfall_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_waterfall_sink_x_0.set_line_label(i, labels[i])
self.qtgui_waterfall_sink_x_0.set_color_map(i, colors[i])
self.qtgui_waterfall_sink_x_0.set_line_alpha(i, alphas[i])
self.qtgui_waterfall_sink_x_0.set_intensity_range(-80, 0)
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, 0,
4, 2, 4)
for r in range(0, 2):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(4, 8):
self.top_grid_layout.setColumnStretch(c, 1)
self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
1024, #size
samp_rate / decim / 50 * 48, #samp_rate
"", #name
1 #number of inputs
)
self.qtgui_time_sink_x_0.set_update_time(0.10)
self.qtgui_time_sink_x_0.set_y_axis(-1, 1)
self.qtgui_time_sink_x_0.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_0.enable_tags(-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)
self.qtgui_time_sink_x_0.enable_stem_plot(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, 8, 0, 1,
8)
for r in range(8, 9):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 8):
self.top_grid_layout.setColumnStretch(c, 1)
self.qtgui_number_sink_0_0_0_0_0 = qtgui.number_sink(
gr.sizeof_float, 0, qtgui.NUM_GRAPH_NONE, 1)
self.qtgui_number_sink_0_0_0_0_0.set_update_time(0.10)
self.qtgui_number_sink_0_0_0_0_0.set_title("")
labels = ['SNR', '', '', '', '', '', '', '', '', '']
units = ['dB', '', '', '', '', '', '', '', '', '']
colors = [("blue", "red"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black")]
factor = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
for i in xrange(1):
self.qtgui_number_sink_0_0_0_0_0.set_min(i, 0)
self.qtgui_number_sink_0_0_0_0_0.set_max(i, 30)
self.qtgui_number_sink_0_0_0_0_0.set_color(i, colors[i][0],
colors[i][1])
if len(labels[i]) == 0:
self.qtgui_number_sink_0_0_0_0_0.set_label(
i, "Data {0}".format(i))
else:
self.qtgui_number_sink_0_0_0_0_0.set_label(i, labels[i])
self.qtgui_number_sink_0_0_0_0_0.set_unit(i, units[i])
self.qtgui_number_sink_0_0_0_0_0.set_factor(i, factor[i])
self.qtgui_number_sink_0_0_0_0_0.enable_autoscale(False)
self._qtgui_number_sink_0_0_0_0_0_win = sip.wrapinstance(
self.qtgui_number_sink_0_0_0_0_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_number_sink_0_0_0_0_0_win,
6, 6, 1, 1)
for r in range(6, 7):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(6, 7):
self.top_grid_layout.setColumnStretch(c, 1)
self.qtgui_number_sink_0_0_0_0 = qtgui.number_sink(
gr.sizeof_float, 0, qtgui.NUM_GRAPH_NONE, 1)
self.qtgui_number_sink_0_0_0_0.set_update_time(0.010)
self.qtgui_number_sink_0_0_0_0.set_title("")
labels = ['Freq Offset', 'Phase', 'Error', '', '', '', '', '', '', '']
units = ['Hz', '', '', '', '', '', '', '', '', '']
colors = [("black", "black"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black")]
factor = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
for i in xrange(1):
self.qtgui_number_sink_0_0_0_0.set_min(i, -32767)
self.qtgui_number_sink_0_0_0_0.set_max(i, 32767)
self.qtgui_number_sink_0_0_0_0.set_color(i, colors[i][0],
colors[i][1])
if len(labels[i]) == 0:
self.qtgui_number_sink_0_0_0_0.set_label(
i, "Data {0}".format(i))
else:
self.qtgui_number_sink_0_0_0_0.set_label(i, labels[i])
self.qtgui_number_sink_0_0_0_0.set_unit(i, units[i])
self.qtgui_number_sink_0_0_0_0.set_factor(i, factor[i])
self.qtgui_number_sink_0_0_0_0.enable_autoscale(False)
self._qtgui_number_sink_0_0_0_0_win = sip.wrapinstance(
self.qtgui_number_sink_0_0_0_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_number_sink_0_0_0_0_win, 6,
7, 1, 1)
for r in range(6, 7):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(7, 8):
self.top_grid_layout.setColumnStretch(c, 1)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
2048, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate / decim, #bw
"Pre-D", #name
2 #number of inputs
)
self.qtgui_freq_sink_x_0.set_update_time(0.010)
self.qtgui_freq_sink_x_0.set_y_axis(-60, 0)
self.qtgui_freq_sink_x_0.set_y_label('Relative Gain', 'dB')
self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0,
"")
self.qtgui_freq_sink_x_0.enable_autoscale(False)
self.qtgui_freq_sink_x_0.enable_grid(True)
self.qtgui_freq_sink_x_0.set_fft_average(0.2)
self.qtgui_freq_sink_x_0.enable_axis_labels(True)
self.qtgui_freq_sink_x_0.enable_control_panel(False)
if not True:
self.qtgui_freq_sink_x_0.disable_legend()
if "complex" == "float" or "complex" == "msg_float":
self.qtgui_freq_sink_x_0.set_plot_pos_half(not True)
labels = ['pre-d', 'corr', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "dark blue"
]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(2):
if len(labels[i]) == 0:
self.qtgui_freq_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_0.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_0.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_0.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_0_win = sip.wrapinstance(
self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win, 0, 0, 4,
4)
for r in range(0, 4):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 4):
self.top_grid_layout.setColumnStretch(c, 1)
self.low_pass_filter_0_0_0 = filter.fir_filter_fff(
1,
firdes.low_pass(1, samp_rate / decim / 50 * 48, audio_lpf_cutoff,
2e3, firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_0_0 = filter.fir_filter_ccf(
1,
firdes.low_pass(1, samp_rate / decim, rf_lpf_cutoff, 2e3,
firdes.WIN_HAMMING, 6.76))
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(
decim, (xlate_taps), 0, samp_rate)
self.digital_fll_band_edge_cc_0_0 = digital.fll_band_edge_cc(
samps_per_symb, .5, 1024, fll_loop_bw_fine)
self.digital_fll_band_edge_cc_0 = digital.fll_band_edge_cc(
samps_per_symb, .5, 1024, fll_loop_bw)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1,
samp_rate * throttle_factor,
True)
self.blocks_tagged_stream_to_pdu_0_0 = blocks.tagged_stream_to_pdu(
blocks.float_t, 'snr')
self.blocks_tagged_stream_to_pdu_0 = blocks.tagged_stream_to_pdu(
blocks.float_t, 'rfo')
self.blocks_stream_to_tagged_stream_0_0 = blocks.stream_to_tagged_stream(
gr.sizeof_float, 1, 1, "snr")
self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(
gr.sizeof_float, 1, 1, "rfo")
self.blocks_socket_pdu_0_0 = blocks.socket_pdu("TCP_SERVER", '0.0.0.0',
'52002', 10000, False)
self.blocks_socket_pdu_0 = blocks.socket_pdu("TCP_SERVER", '0.0.0.0',
'52001', 10000, False)
self.blocks_null_sink_0_1 = blocks.null_sink(gr.sizeof_float * 1)
self.blocks_null_sink_0_0_0 = blocks.null_sink(gr.sizeof_float * 1)
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_nlog10_ff_0_1 = blocks.nlog10_ff(10, 1, 0)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_multiply_const_vxx_1 = blocks.multiply_const_vff(
(-1 * samp_rate / decim / (2 * math.pi), ))
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff(
(volume, ))
self.blocks_moving_average_xx_0_0_1 = blocks.moving_average_ff(
10000, 0.0001, 4000, 1)
self.blocks_moving_average_xx_0 = blocks.moving_average_ff(
100000, 0.00001, 4000, 1)
self.blocks_keep_one_in_n_0_0 = blocks.keep_one_in_n(
gr.sizeof_float * 1, int(samp_rate * meta_rate))
self.blocks_keep_one_in_n_0 = blocks.keep_one_in_n(
gr.sizeof_float * 1, int(samp_rate / 4 * meta_rate))
self.blocks_file_source_0 = blocks.file_source(
gr.sizeof_gr_complex * 1,
'/home/zleffke/captures/fox1d/20180913/FOX-1D_USRP_20180913_151002.518249_UTC_250k.fc32',
False)
self.blocks_file_source_0.set_begin_tag(pmt.PMT_NIL)
self.blocks_divide_xx_0 = blocks.divide_ff(1)
self.blocks_complex_to_mag_squared_0_0 = blocks.complex_to_mag_squared(
1)
self.blocks_complex_to_mag_squared_0 = blocks.complex_to_mag_squared(1)
self.blocks_add_xx_0 = blocks.add_vff(1)
self.analog_sig_source_x_0 = analog.sig_source_c(
samp_rate, analog.GR_COS_WAVE, samp_rate / 2, 1, 0)
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(
samp_rate / (2 * math.pi * fsk_deviation_hz / 8.0))
self.analog_agc2_xx_0 = analog.agc2_cc(1e-1, 1e-2, 1.0, 1.0)
self.analog_agc2_xx_0.set_max_gain(65536)
##################################################
# Connections
##################################################
self.msg_connect((self.blocks_tagged_stream_to_pdu_0, 'pdus'),
(self.blocks_socket_pdu_0, 'pdus'))
self.msg_connect((self.blocks_tagged_stream_to_pdu_0_0, 'pdus'),
(self.blocks_socket_pdu_0_0, 'pdus'))
self.connect((self.analog_agc2_xx_0, 0),
(self.freq_xlating_fir_filter_xxx_0, 0))
self.connect((self.analog_quadrature_demod_cf_0, 0),
(self.low_pass_filter_0_0_0, 0))
self.connect((self.analog_sig_source_x_0, 0),
(self.blocks_multiply_xx_0, 1))
self.connect((self.blocks_add_xx_0, 0),
(self.blocks_multiply_const_vxx_1, 0))
self.connect((self.blocks_complex_to_mag_squared_0, 0),
(self.blocks_divide_xx_0, 0))
self.connect((self.blocks_complex_to_mag_squared_0_0, 0),
(self.blocks_divide_xx_0, 1))
self.connect((self.blocks_divide_xx_0, 0),
(self.blocks_nlog10_ff_0_1, 0))
self.connect((self.blocks_file_source_0, 0),
(self.blocks_throttle_0, 0))
self.connect((self.blocks_keep_one_in_n_0, 0),
(self.blocks_stream_to_tagged_stream_0_0, 0))
self.connect((self.blocks_keep_one_in_n_0_0, 0),
(self.blocks_stream_to_tagged_stream_0, 0))
self.connect((self.blocks_moving_average_xx_0, 0),
(self.blocks_keep_one_in_n_0_0, 0))
self.connect((self.blocks_moving_average_xx_0, 0),
(self.qtgui_number_sink_0_0_0_0, 0))
self.connect((self.blocks_moving_average_xx_0_0_1, 0),
(self.blocks_keep_one_in_n_0, 0))
self.connect((self.blocks_moving_average_xx_0_0_1, 0),
(self.qtgui_number_sink_0_0_0_0_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.qtgui_time_sink_x_0, 0))
self.connect((self.blocks_multiply_const_vxx_1, 0),
(self.blocks_moving_average_xx_0, 0))
self.connect((self.blocks_multiply_xx_0, 0),
(self.rational_resampler_xxx_1, 0))
self.connect((self.blocks_nlog10_ff_0_1, 0),
(self.blocks_moving_average_xx_0_0_1, 0))
self.connect((self.blocks_stream_to_tagged_stream_0, 0),
(self.blocks_tagged_stream_to_pdu_0, 0))
self.connect((self.blocks_stream_to_tagged_stream_0_0, 0),
(self.blocks_tagged_stream_to_pdu_0_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.analog_agc2_xx_0, 0))
self.connect((self.digital_fll_band_edge_cc_0, 1),
(self.blocks_add_xx_0, 1))
self.connect((self.digital_fll_band_edge_cc_0, 0),
(self.blocks_multiply_xx_0, 0))
self.connect((self.digital_fll_band_edge_cc_0, 2),
(self.blocks_null_sink_0, 0))
self.connect((self.digital_fll_band_edge_cc_0, 3),
(self.blocks_null_sink_0_0, 0))
self.connect((self.digital_fll_band_edge_cc_0, 0),
(self.low_pass_filter_0_0, 0))
self.connect((self.digital_fll_band_edge_cc_0, 0),
(self.rational_resampler_xxx_0_0, 0))
self.connect((self.digital_fll_band_edge_cc_0_0, 1),
(self.blocks_add_xx_0, 0))
self.connect((self.digital_fll_band_edge_cc_0_0, 3),
(self.blocks_null_sink_0_0_0, 0))
self.connect((self.digital_fll_band_edge_cc_0_0, 2),
(self.blocks_null_sink_0_1, 0))
self.connect((self.digital_fll_band_edge_cc_0_0, 0),
(self.qtgui_freq_sink_x_0, 1))
self.connect((self.digital_fll_band_edge_cc_0_0, 0),
(self.qtgui_waterfall_sink_x_0_0, 0))
self.connect((self.digital_fll_band_edge_cc_0_0, 0),
(self.rational_resampler_xxx_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0),
(self.digital_fll_band_edge_cc_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0),
(self.qtgui_freq_sink_x_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0),
(self.qtgui_waterfall_sink_x_0, 0))
self.connect((self.low_pass_filter_0_0, 0),
(self.digital_fll_band_edge_cc_0_0, 0))
self.connect((self.low_pass_filter_0_0_0, 0),
(self.blocks_multiply_const_vxx_0, 0))
self.connect((self.rational_resampler_xxx_0, 0),
(self.analog_quadrature_demod_cf_0, 0))
self.connect((self.rational_resampler_xxx_0_0, 0),
(self.blocks_complex_to_mag_squared_0, 0))
self.connect((self.rational_resampler_xxx_1, 0),
(self.blocks_complex_to_mag_squared_0_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Merapi Vco")
Qt.QWidget.__init__(self)
self.setWindowTitle("Merapi Vco")
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", "merapi_vco")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 2.4e6
self.filt_len = filt_len = 1e6
self.ch_bw = ch_bw = 30e3
self.bb_rate = bb_rate = 192e3
self.audio_rate = audio_rate = 48e3
##################################################
# Blocks
##################################################
self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=int(bb_rate),
decimation=int(samp_rate),
taps=None,
fractional_bw=None,
)
self.qtgui_time_sink_x_2 = qtgui.time_sink_f(
8192 * 8, #size
audio_rate, #samp_rate
"", #name
1 #number of inputs
)
self.qtgui_time_sink_x_2.set_update_time(0.10)
self.qtgui_time_sink_x_2.set_y_axis(-10, 10)
self.qtgui_time_sink_x_2.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_2.enable_tags(-1, True)
self.qtgui_time_sink_x_2.set_trigger_mode(qtgui.TRIG_MODE_NORM,
qtgui.TRIG_SLOPE_POS, 8, 0,
0, "")
self.qtgui_time_sink_x_2.enable_autoscale(False)
self.qtgui_time_sink_x_2.enable_grid(False)
self.qtgui_time_sink_x_2.enable_axis_labels(True)
self.qtgui_time_sink_x_2.enable_control_panel(False)
if not True:
self.qtgui_time_sink_x_2.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_2.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_2.set_line_label(i, labels[i])
self.qtgui_time_sink_x_2.set_line_width(i, widths[i])
self.qtgui_time_sink_x_2.set_line_color(i, colors[i])
self.qtgui_time_sink_x_2.set_line_style(i, styles[i])
self.qtgui_time_sink_x_2.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_2.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_2_win = sip.wrapinstance(
self.qtgui_time_sink_x_2.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_time_sink_x_2_win)
self.qtgui_time_sink_x_1 = qtgui.time_sink_f(
8192 * 8, #size
audio_rate, #samp_rate
"", #name
2 #number of inputs
)
self.qtgui_time_sink_x_1.set_update_time(0.10)
self.qtgui_time_sink_x_1.set_y_axis(-1, 1)
self.qtgui_time_sink_x_1.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_1.enable_tags(-1, True)
self.qtgui_time_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE,
qtgui.TRIG_SLOPE_POS, 0.0, 0,
0, "")
self.qtgui_time_sink_x_1.enable_autoscale(False)
self.qtgui_time_sink_x_1.enable_grid(False)
self.qtgui_time_sink_x_1.enable_axis_labels(True)
self.qtgui_time_sink_x_1.enable_control_panel(False)
if not True:
self.qtgui_time_sink_x_1.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(2):
if len(labels[i]) == 0:
self.qtgui_time_sink_x_1.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_1.set_line_label(i, labels[i])
self.qtgui_time_sink_x_1.set_line_width(i, widths[i])
self.qtgui_time_sink_x_1.set_line_color(i, colors[i])
self.qtgui_time_sink_x_1.set_line_style(i, styles[i])
self.qtgui_time_sink_x_1.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_1.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_1_win = sip.wrapinstance(
self.qtgui_time_sink_x_1.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_time_sink_x_1_win)
self.qtgui_time_sink_x_0 = qtgui.time_sink_c(
1024, #size
audio_rate, #samp_rate
"", #name
1 #number of inputs
)
self.qtgui_time_sink_x_0.set_update_time(0.10)
self.qtgui_time_sink_x_0.set_y_axis(-1, 1)
self.qtgui_time_sink_x_0.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_0.enable_tags(-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(2 * 1):
if len(labels[i]) == 0:
if (i % 2 == 0):
self.qtgui_time_sink_x_0.set_line_label(
i, "Re{{Data {0}}}".format(i / 2))
else:
self.qtgui_time_sink_x_0.set_line_label(
i, "Im{{Data {0}}}".format(i / 2))
else:
self.qtgui_time_sink_x_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_win = sip.wrapinstance(
self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_time_sink_x_0_win)
self.qtgui_freq_sink_x_1 = qtgui.freq_sink_c(
8192, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
bb_rate, #bw
"", #name
1 #number of inputs
)
self.qtgui_freq_sink_x_1.set_update_time(0.10)
self.qtgui_freq_sink_x_1.set_y_axis(-100, -20)
self.qtgui_freq_sink_x_1.set_y_label('Relative Gain', 'dB')
self.qtgui_freq_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0,
"")
self.qtgui_freq_sink_x_1.enable_autoscale(False)
self.qtgui_freq_sink_x_1.enable_grid(False)
self.qtgui_freq_sink_x_1.set_fft_average(0.2)
self.qtgui_freq_sink_x_1.enable_axis_labels(True)
self.qtgui_freq_sink_x_1.enable_control_panel(False)
if not True:
self.qtgui_freq_sink_x_1.disable_legend()
if "complex" == "float" or "complex" == "msg_float":
self.qtgui_freq_sink_x_1.set_plot_pos_half(not True)
labels = ['', '', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "dark blue"
]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_freq_sink_x_1.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_1.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_1.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_1.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_1.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_1_win = sip.wrapinstance(
self.qtgui_freq_sink_x_1.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_freq_sink_x_1_win)
self.osmosdr_source_0 = osmosdr.source(args="numchan=" + str(1) + " " +
'')
self.osmosdr_source_0.set_sample_rate(samp_rate)
self.osmosdr_source_0.set_center_freq(166.3e6, 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(49, 0)
self.osmosdr_source_0.set_if_gain(20, 0)
self.osmosdr_source_0.set_bb_gain(20, 0)
self.osmosdr_source_0.set_antenna('', 0)
self.osmosdr_source_0.set_bandwidth(0, 0)
self.fft_filter_xxx_3 = filter.fft_filter_fff(
1, (firdes.low_pass(1, audio_rate, 100, 100, firdes.WIN_BLACKMAN)),
1)
self.fft_filter_xxx_3.declare_sample_delay(0)
self.fft_filter_xxx_2 = filter.fft_filter_ccc(
1, (firdes.complex_band_pass(1, audio_rate, 360, 2360, 1e3,
firdes.WIN_BLACKMAN)), 1)
self.fft_filter_xxx_2.declare_sample_delay(0)
self.fft_filter_xxx_1 = filter.fft_filter_ccc(1, (firdes.low_pass(
1, bb_rate, ch_bw / 2, ch_bw / 10, firdes.WIN_BLACKMAN)), 1)
self.fft_filter_xxx_1.declare_sample_delay(0)
self.fft_filter_xxx_0 = filter.fft_filter_ccc(1, (firdes.low_pass(
1, samp_rate, bb_rate / 2, bb_rate / 10, firdes.WIN_BLACKMAN)), 1)
self.fft_filter_xxx_0.declare_sample_delay(0)
self.blocks_sub_xx_0 = blocks.sub_ff(1)
self.blocks_rotator_cc_0 = blocks.rotator_cc(502e3 / samp_rate * 2 *
math.pi)
self.blocks_moving_average_xx_0 = blocks.moving_average_ff(
int(filt_len), 1 / filt_len, 4000)
self.blocks_float_to_complex_0 = blocks.float_to_complex(1)
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(
audio_rate / (2 * math.pi * 1e3 / 8.0))
self.analog_nbfm_rx_0 = analog.nbfm_rx(
audio_rate=int(audio_rate),
quad_rate=int(bb_rate),
tau=75e-6,
max_dev=5e3,
)
##################################################
# Connections
##################################################
self.connect((self.analog_nbfm_rx_0, 0),
(self.blocks_float_to_complex_0, 0))
self.connect((self.analog_quadrature_demod_cf_0, 0),
(self.blocks_moving_average_xx_0, 0))
self.connect((self.analog_quadrature_demod_cf_0, 0),
(self.blocks_sub_xx_0, 0))
self.connect((self.blocks_float_to_complex_0, 0),
(self.fft_filter_xxx_2, 0))
self.connect((self.blocks_float_to_complex_0, 0),
(self.qtgui_time_sink_x_0, 0))
self.connect((self.blocks_moving_average_xx_0, 0),
(self.blocks_sub_xx_0, 1))
self.connect((self.blocks_rotator_cc_0, 0), (self.fft_filter_xxx_0, 0))
self.connect((self.blocks_sub_xx_0, 0), (self.fft_filter_xxx_3, 0))
self.connect((self.blocks_sub_xx_0, 0), (self.qtgui_time_sink_x_1, 0))
self.connect((self.fft_filter_xxx_0, 0),
(self.rational_resampler_xxx_0, 0))
self.connect((self.fft_filter_xxx_1, 0), (self.analog_nbfm_rx_0, 0))
self.connect((self.fft_filter_xxx_2, 0),
(self.analog_quadrature_demod_cf_0, 0))
self.connect((self.fft_filter_xxx_3, 0), (self.qtgui_time_sink_x_1, 1))
self.connect((self.fft_filter_xxx_3, 0), (self.qtgui_time_sink_x_2, 0))
self.connect((self.osmosdr_source_0, 0), (self.blocks_rotator_cc_0, 0))
self.connect((self.rational_resampler_xxx_0, 0),
(self.fft_filter_xxx_1, 0))
self.connect((self.rational_resampler_xxx_0, 0),
(self.qtgui_freq_sink_x_1, 0))
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Nbfm")
##################################################
# Variables
##################################################
self.decim = decim = 2
self.adc_rate = adc_rate = 2000000
self.xlate_offset_fine = xlate_offset_fine = 4000
self.xlate_offset = xlate_offset = 0
self.xlate_decim = xlate_decim = 4
self.xlate_bandwidth = xlate_bandwidth = 12500
self.volume = volume = 1
self.squelch = squelch = 50
self.samp_rate = samp_rate = adc_rate/decim
self.main_freq = main_freq = 167.99e6
self.audio_rate = audio_rate = 48000
self.audio_interp = audio_interp = 4
##################################################
# Blocks
##################################################
self.main_notebook = self.main_notebook = wx.Notebook(self.GetWin(), style=wx.NB_TOP)
self.main_notebook.AddPage(grc_wxgui.Panel(self.main_notebook), "Baseband")
self.main_notebook.AddPage(grc_wxgui.Panel(self.main_notebook), "Scope")
self.main_notebook.AddPage(grc_wxgui.Panel(self.main_notebook), "Waterfall")
self.main_notebook.AddPage(grc_wxgui.Panel(self.main_notebook), "Quad demod")
self.Add(self.main_notebook)
_xlate_offset_fine_sizer = wx.BoxSizer(wx.VERTICAL)
self._xlate_offset_fine_text_box = forms.text_box(
parent=self.main_notebook.GetPage(0).GetWin(),
sizer=_xlate_offset_fine_sizer,
value=self.xlate_offset_fine,
callback=self.set_xlate_offset_fine,
label="Fine Offset",
converter=forms.float_converter(),
proportion=0,
)
self._xlate_offset_fine_slider = forms.slider(
parent=self.main_notebook.GetPage(0).GetWin(),
sizer=_xlate_offset_fine_sizer,
value=self.xlate_offset_fine,
callback=self.set_xlate_offset_fine,
minimum=-10000,
maximum=10000,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.main_notebook.GetPage(0).Add(_xlate_offset_fine_sizer)
self._xlate_offset_text_box = forms.text_box(
parent=self.main_notebook.GetPage(0).GetWin(),
value=self.xlate_offset,
callback=self.set_xlate_offset,
label="Xlate Offset",
converter=forms.float_converter(),
)
self.main_notebook.GetPage(0).Add(self._xlate_offset_text_box)
_xlate_bandwidth_sizer = wx.BoxSizer(wx.VERTICAL)
self._xlate_bandwidth_text_box = forms.text_box(
parent=self.main_notebook.GetPage(0).GetWin(),
sizer=_xlate_bandwidth_sizer,
value=self.xlate_bandwidth,
callback=self.set_xlate_bandwidth,
label="Xlate Bandwidth",
converter=forms.float_converter(),
proportion=0,
)
self._xlate_bandwidth_slider = forms.slider(
parent=self.main_notebook.GetPage(0).GetWin(),
sizer=_xlate_bandwidth_sizer,
value=self.xlate_bandwidth,
callback=self.set_xlate_bandwidth,
minimum=2500,
maximum=250000,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.main_notebook.GetPage(0).Add(_xlate_bandwidth_sizer)
_volume_sizer = wx.BoxSizer(wx.VERTICAL)
self._volume_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_volume_sizer,
value=self.volume,
callback=self.set_volume,
label='volume',
converter=forms.float_converter(),
proportion=0,
)
self._volume_slider = forms.slider(
parent=self.GetWin(),
sizer=_volume_sizer,
value=self.volume,
callback=self.set_volume,
minimum=0,
maximum=10,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_volume_sizer)
_squelch_sizer = wx.BoxSizer(wx.VERTICAL)
self._squelch_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_squelch_sizer,
value=self.squelch,
callback=self.set_squelch,
label='squelch',
converter=forms.float_converter(),
proportion=0,
)
self._squelch_slider = forms.slider(
parent=self.GetWin(),
sizer=_squelch_sizer,
value=self.squelch,
callback=self.set_squelch,
minimum=0,
maximum=100,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_squelch_sizer)
self._main_freq_text_box = forms.text_box(
parent=self.main_notebook.GetPage(0).GetWin(),
value=self.main_freq,
callback=self.set_main_freq,
label="Main Freq",
converter=forms.float_converter(),
)
self.main_notebook.GetPage(0).Add(self._main_freq_text_box)
self.wxgui_waterfallsink2_0 = waterfallsink2.waterfall_sink_c(
self.main_notebook.GetPage(2).GetWin(),
baseband_freq=0,
dynamic_range=100,
ref_level=50,
ref_scale=2.0,
sample_rate=samp_rate/xlate_decim,
fft_size=512,
fft_rate=30,
average=False,
avg_alpha=None,
title="Waterfall Plot",
)
self.main_notebook.GetPage(2).Add(self.wxgui_waterfallsink2_0.win)
self.wxgui_scopesink2_1 = scopesink2.scope_sink_f(
self.main_notebook.GetPage(3).GetWin(),
title="Scope Plot",
sample_rate=samp_rate/xlate_decim,
v_scale=0,
v_offset=0,
t_scale=0,
ac_couple=False,
xy_mode=False,
num_inputs=1,
trig_mode=wxgui.TRIG_MODE_AUTO,
y_axis_label="Counts",
)
self.main_notebook.GetPage(3).Add(self.wxgui_scopesink2_1.win)
self.wxgui_scopesink2_0 = scopesink2.scope_sink_c(
self.main_notebook.GetPage(1).GetWin(),
title="Scope Plot",
sample_rate=samp_rate/xlate_decim,
v_scale=10,
v_offset=0,
t_scale=10000,
ac_couple=False,
xy_mode=False,
num_inputs=1,
trig_mode=wxgui.TRIG_MODE_AUTO,
y_axis_label="Counts",
)
self.main_notebook.GetPage(1).Add(self.wxgui_scopesink2_0.win)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.main_notebook.GetPage(0).GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=50,
ref_scale=2.0,
sample_rate=samp_rate/xlate_decim,
fft_size=1024,
fft_rate=30,
average=False,
avg_alpha=None,
title="FFT Plot",
peak_hold=False,
)
self.main_notebook.GetPage(0).Add(self.wxgui_fftsink2_0.win)
self.rtlsdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + "" )
self.rtlsdr_source_0.set_sample_rate(samp_rate)
self.rtlsdr_source_0.set_center_freq(main_freq, 0)
self.rtlsdr_source_0.set_freq_corr(0, 0)
self.rtlsdr_source_0.set_dc_offset_mode(0, 0)
self.rtlsdr_source_0.set_iq_balance_mode(2, 0)
self.rtlsdr_source_0.set_gain_mode(True, 0)
self.rtlsdr_source_0.set_gain(50, 0)
self.rtlsdr_source_0.set_if_gain(20, 0)
self.rtlsdr_source_0.set_bb_gain(20, 0)
self.rtlsdr_source_0.set_antenna("", 0)
self.rtlsdr_source_0.set_bandwidth(0, 0)
self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=audio_rate*audio_interp,
decimation=samp_rate/xlate_decim,
taps=None,
fractional_bw=None,
)
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(xlate_decim, (firdes.low_pass(1, samp_rate, xlate_bandwidth/2, 1000)), xlate_offset + xlate_offset_fine, samp_rate)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((volume, ))
self.audio_sink_0 = audio.sink(48000, "", True)
self.analog_simple_squelch_cc_0 = analog.simple_squelch_cc(squelch*-1, 1)
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(1)
self.analog_nbfm_rx_0 = analog.nbfm_rx(
audio_rate=audio_rate,
quad_rate=audio_rate*audio_interp,
tau=75e-6,
max_dev=5e3,
)
##################################################
# Connections
##################################################
self.connect((self.analog_nbfm_rx_0, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self.analog_quadrature_demod_cf_0, 0), (self.wxgui_scopesink2_1, 0))
self.connect((self.analog_simple_squelch_cc_0, 0), (self.analog_nbfm_rx_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.audio_sink_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.analog_quadrature_demod_cf_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.rational_resampler_xxx_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.wxgui_fftsink2_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.wxgui_scopesink2_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.wxgui_waterfallsink2_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.analog_simple_squelch_cc_0, 0))
self.connect((self.rtlsdr_source_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Top Block")
Qt.QWidget.__init__(self)
self.setWindowTitle("Top Block")
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "top_block")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 2e6
self.intermediate_samp_rate = intermediate_samp_rate = samp_rate
self.top_block_fournisseur = top_block_fournisseur = 0
self.sps = sps = int(intermediate_samp_rate/1e6)
self.nfilts = nfilts = 32
self.f_deviation = f_deviation = 1e6
self.channel = channel = 13
##################################################
# Blocks
##################################################
self._channel_range = Range(0, 100, 1, 13, 1)
self._channel_win = RangeWidget(self._channel_range, self.set_channel, "channel", "counter_slider", int)
self.top_layout.addWidget(self._channel_win)
self.chan_change = chan_change.blk(param="self")
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(((channel+1) * 1e6) + 2.4e9, 0)
self.uhd_usrp_source_0.set_normalized_gain(1, 0)
self.uhd_usrp_source_0.set_antenna('TX/RX', 0)
def _top_block_fournisseur_probe():
while True:
val = self.chan_change.set_top_block(self)
try:
self.set_top_block_fournisseur(val)
except AttributeError:
pass
time.sleep(1.0 / (1))
_top_block_fournisseur_thread = threading.Thread(target=_top_block_fournisseur_probe)
_top_block_fournisseur_thread.daemon = True
_top_block_fournisseur_thread.start()
self.qtgui_time_sink_x_1_1 = qtgui.time_sink_f(
12000, #size
1e6, #samp_rate
"", #name
2 #number of inputs
)
self.qtgui_time_sink_x_1_1.set_update_time(0.10)
self.qtgui_time_sink_x_1_1.set_y_axis(-1, 1)
self.qtgui_time_sink_x_1_1.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_1_1.enable_tags(-1, True)
self.qtgui_time_sink_x_1_1.set_trigger_mode(qtgui.TRIG_MODE_TAG, qtgui.TRIG_SLOPE_POS, 1.5, .0001, 0, "PreambleFound")
self.qtgui_time_sink_x_1_1.enable_autoscale(False)
self.qtgui_time_sink_x_1_1.enable_grid(False)
self.qtgui_time_sink_x_1_1.enable_axis_labels(True)
self.qtgui_time_sink_x_1_1.enable_control_panel(False)
if not True:
self.qtgui_time_sink_x_1_1.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(2):
if len(labels[i]) == 0:
self.qtgui_time_sink_x_1_1.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_1_1.set_line_label(i, labels[i])
self.qtgui_time_sink_x_1_1.set_line_width(i, widths[i])
self.qtgui_time_sink_x_1_1.set_line_color(i, colors[i])
self.qtgui_time_sink_x_1_1.set_line_style(i, styles[i])
self.qtgui_time_sink_x_1_1.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_1_1.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_1_1_win = sip.wrapinstance(self.qtgui_time_sink_x_1_1.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_time_sink_x_1_1_win)
self.qtgui_time_sink_x_1_0 = qtgui.time_sink_f(
int(12240.0*sps/8.0), #size
samp_rate, #samp_rate
"", #name
1 #number of inputs
)
self.qtgui_time_sink_x_1_0.set_update_time(0.10)
self.qtgui_time_sink_x_1_0.set_y_axis(-1, 1)
self.qtgui_time_sink_x_1_0.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_1_0.enable_tags(-1, True)
self.qtgui_time_sink_x_1_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 1.5, 0, 0, "Found")
self.qtgui_time_sink_x_1_0.enable_autoscale(False)
self.qtgui_time_sink_x_1_0.enable_grid(False)
self.qtgui_time_sink_x_1_0.enable_axis_labels(True)
self.qtgui_time_sink_x_1_0.enable_control_panel(False)
if not True:
self.qtgui_time_sink_x_1_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_1_0.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_1_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_1_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_1_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_1_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_1_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_1_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_1_0_win = sip.wrapinstance(self.qtgui_time_sink_x_1_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_time_sink_x_1_0_win)
self.dsmx_preambleDetection_0 = dsmx.preambleDetection(channel)
self.dsmx_Despreader_0 = dsmx.Despreader()
self.digital_correlate_access_code_tag_bb_0 = digital.correlate_access_code_tag_bb('1100110011001100110011001100110011001100110011001100110011001100', 8, 'PreambleFound')
self.digital_clock_recovery_mm_xx_1 = digital.clock_recovery_mm_ff(sps, 1, 0.5, 0.175, 0.005)
self.digital_binary_slicer_fb_1 = digital.binary_slicer_fb()
self.blocks_char_to_float_0_1 = blocks.char_to_float(1, 1)
self.analog_quadrature_demod_cf_1 = analog.quadrature_demod_cf(1)
##################################################
# Connections
##################################################
self.msg_connect((self.dsmx_Despreader_0, 'pdus'), (self.chan_change, 'ChannelChange'))
self.msg_connect((self.dsmx_preambleDetection_0, 'pdus'), (self.dsmx_Despreader_0, 'Msg'))
self.connect((self.analog_quadrature_demod_cf_1, 0), (self.digital_clock_recovery_mm_xx_1, 0))
self.connect((self.analog_quadrature_demod_cf_1, 0), (self.qtgui_time_sink_x_1_0, 0))
self.connect((self.blocks_char_to_float_0_1, 0), (self.qtgui_time_sink_x_1_1, 0))
self.connect((self.digital_binary_slicer_fb_1, 0), (self.digital_correlate_access_code_tag_bb_0, 0))
self.connect((self.digital_clock_recovery_mm_xx_1, 0), (self.digital_binary_slicer_fb_1, 0))
self.connect((self.digital_clock_recovery_mm_xx_1, 0), (self.qtgui_time_sink_x_1_1, 1))
self.connect((self.digital_correlate_access_code_tag_bb_0, 0), (self.blocks_char_to_float_0_1, 0))
self.connect((self.digital_correlate_access_code_tag_bb_0, 0), (self.dsmx_preambleDetection_0, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.analog_quadrature_demod_cf_1, 0))
def __init__(self):
gr.top_block.__init__(self, "RTTY_receive", catch_exceptions=True)
Qt.QWidget.__init__(self)
self.setWindowTitle("RTTY_receive")
qtgui.util.check_set_qss()
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "RTTY_receive")
try:
if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"):
self.restoreGeometry(
self.settings.value("geometry").toByteArray())
else:
self.restoreGeometry(self.settings.value("geometry"))
except:
pass
##################################################
# Variables
##################################################
self.sq_lvl = sq_lvl = -70
self.samp_rate = samp_rate = 48000
self.reverse = reverse = 1
self.fsk_deviation = fsk_deviation = 170
self.decim = decim = 50
self.center = center = 2210
self.baud = baud = 1 / 0.022
##################################################
# Blocks
##################################################
self._sq_lvl_range = Range(-100, 0, 5, -70, 200)
self._sq_lvl_win = RangeWidget(self._sq_lvl_range, self.set_sq_lvl,
'Squelch', "counter_slider", float,
QtCore.Qt.Horizontal)
self.top_grid_layout.addWidget(self._sq_lvl_win)
# Create the options list
self._reverse_options = (
1,
-1,
)
# Create the labels list
self._reverse_labels = (
'Normal',
'Reverse',
)
# Create the combo box
# Create the radio buttons
self._reverse_group_box = Qt.QGroupBox('reverse' + ": ")
self._reverse_box = Qt.QVBoxLayout()
class variable_chooser_button_group(Qt.QButtonGroup):
def __init__(self, parent=None):
Qt.QButtonGroup.__init__(self, parent)
@pyqtSlot(int)
def updateButtonChecked(self, button_id):
self.button(button_id).setChecked(True)
self._reverse_button_group = variable_chooser_button_group()
self._reverse_group_box.setLayout(self._reverse_box)
for i, _label in enumerate(self._reverse_labels):
radio_button = Qt.QRadioButton(_label)
self._reverse_box.addWidget(radio_button)
self._reverse_button_group.addButton(radio_button, i)
self._reverse_callback = lambda i: Qt.QMetaObject.invokeMethod(
self._reverse_button_group, "updateButtonChecked",
Qt.Q_ARG("int", self._reverse_options.index(i)))
self._reverse_callback(self.reverse)
self._reverse_button_group.buttonClicked[int].connect(
lambda i: self.set_reverse(self._reverse_options[i]))
self.top_grid_layout.addWidget(self._reverse_group_box)
self.zeromq_push_msg_sink_0 = zeromq.push_msg_sink(
'tcp://127.0.0.1:50252', 100, True)
self.rational_resampler_xxx_0_0 = filter.rational_resampler_fff(
interpolation=500, decimation=960, taps=None, fractional_bw=None)
self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
128, #size
960, #samp_rate
"", #name
1, #number of inputs
None # parent
)
self.qtgui_time_sink_x_0.set_update_time(0.10)
self.qtgui_time_sink_x_0.set_y_axis(0, 1)
self.qtgui_time_sink_x_0.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_0.enable_tags(True)
self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_NORM,
qtgui.TRIG_SLOPE_NEG, 0.5, 0,
0, "")
self.qtgui_time_sink_x_0.enable_autoscale(False)
self.qtgui_time_sink_x_0.enable_grid(False)
self.qtgui_time_sink_x_0.enable_axis_labels(True)
self.qtgui_time_sink_x_0.enable_control_panel(False)
self.qtgui_time_sink_x_0.enable_stem_plot(False)
labels = [
'Signal 1', 'Signal 2', 'Signal 3', 'Signal 4', 'Signal 5',
'Signal 6', 'Signal 7', 'Signal 8', 'Signal 9', 'Signal 10'
]
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
'blue', 'red', 'green', 'black', 'cyan', 'magenta', 'yellow',
'dark red', 'dark green', 'dark blue'
]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1]
for i in range(1):
if len(labels[i]) == 0:
self.qtgui_time_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_win = sip.wrapinstance(
self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_win)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
center, #fc
1024, #bw
"", #name
1,
None # parent
)
self.qtgui_freq_sink_x_0.set_update_time(0.05)
self.qtgui_freq_sink_x_0.set_y_axis(-140, 10)
self.qtgui_freq_sink_x_0.set_y_label('Relative Gain', 'dB')
self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0,
"")
self.qtgui_freq_sink_x_0.enable_autoscale(False)
self.qtgui_freq_sink_x_0.enable_grid(False)
self.qtgui_freq_sink_x_0.set_fft_average(1.0)
self.qtgui_freq_sink_x_0.enable_axis_labels(True)
self.qtgui_freq_sink_x_0.enable_control_panel(False)
self.qtgui_freq_sink_x_0.set_fft_window_normalized(False)
labels = ['', '', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "dark blue"
]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in range(1):
if len(labels[i]) == 0:
self.qtgui_freq_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_0.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_0.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_0.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_0_win = sip.wrapinstance(
self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win)
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_fcf(
50, firdes.low_pass(1.0, samp_rate, 1000, 400), center, samp_rate)
self.epy_block_0 = epy_block_0.my_sync_block()
self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_ff(reverse)
self.audio_source_0 = audio.source(samp_rate, '', True)
self.analog_simple_squelch_cc_0 = analog.simple_squelch_cc(sq_lvl, 1)
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(1.0)
##################################################
# Connections
##################################################
self.msg_connect((self.epy_block_0, 'msg_out'),
(self.zeromq_push_msg_sink_0, 'in'))
self.connect((self.analog_quadrature_demod_cf_0, 0),
(self.qtgui_time_sink_x_0, 0))
self.connect((self.analog_quadrature_demod_cf_0, 0),
(self.rational_resampler_xxx_0_0, 0))
self.connect((self.analog_simple_squelch_cc_0, 0),
(self.analog_quadrature_demod_cf_0, 0))
self.connect((self.audio_source_0, 0),
(self.freq_xlating_fir_filter_xxx_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.digital_binary_slicer_fb_0, 0))
self.connect((self.digital_binary_slicer_fb_0, 0),
(self.epy_block_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0),
(self.analog_simple_squelch_cc_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0),
(self.qtgui_freq_sink_x_0, 0))
self.connect((self.rational_resampler_xxx_0_0, 0),
(self.blocks_multiply_const_vxx_0, 0))
def __init__(self, talkgroup, options):
gr.hier_block2.__init__(
self,
"fsk_demod",
gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature
gr.io_signature(0, 0, gr.sizeof_char)) # Output signature
print "Starting log_receiver init()"
self.samp_rate = samp_rate = int(options.rate)
self.samp_per_sym = samp_per_sym = 10
self.decim = decim = 20
self.xlate_bandwidth = xlate_bandwidth = 24260.0
self.xlate_offset = xlate_offset = 0
self.channel_rate = channel_rate = op25.SYMBOL_RATE * samp_per_sym
self.audio_mul = audio_mul = 1
self.pre_channel_rate = pre_channel_rate = int(samp_rate / decim)
self.squelch = squelch = -55
self.auto_tune_offset = auto_tune_offset = 0
self.audiorate = 44100 #options.audiorate
self.rate = options.rate
self.talkgroup = talkgroup
self.directory = options.directory
if options.squelch is None:
options.squelch = 28
if options.volume is None:
options.volume = 3.0
##################################################
# Blocks
##################################################
print "Setting up Blocks"
self.audiotaps = gr.firdes.low_pass(1, samp_rate, 8000, 2000,
gr.firdes.WIN_HANN)
self.prefilter_decim = int(self.rate / self.audiorate)
#the audio prefilter is a channel selection filter.
self.audio_prefilter = gr.freq_xlating_fir_filter_ccf(
self.prefilter_decim, #decimation
self.audiotaps, #taps
0, #freq offset
int(samp_rate)) #sampling rate
self.audiodemod = blks2.fm_demod_cf(
self.rate / self.prefilter_decim, #rate
1, #audio decimation
4000, #deviation
3000, #audio passband
4000, #audio stopband
options.volume, #gain
75e-6) #deemphasis constant
#the filtering removes FSK data woobling from the subaudible channel
self.audiofilttaps = gr.firdes.high_pass(1, self.audiorate, 300, 50,
gr.firdes.WIN_HANN)
self.audiofilt = gr.fir_filter_fff(1, self.audiofilttaps)
self.gr_quadrature_demod_cf_0 = analog.quadrature_demod_cf(
1.6) #(channel_rate/(2.0 * math.pi * op25.SYMBOL_DEVIATION)))
self.gr_freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(
decim, (firdes.low_pass(1, samp_rate, xlate_bandwidth / 2, 2000)),
0, samp_rate)
self.gr_fir_filter_xxx_0 = filter.fir_filter_fff(
1, ((1.0 / samp_per_sym, ) * samp_per_sym))
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff(
(10.**(audio_mul / 10.), ))
self.blks2_rational_resampler_xxx_1 = blks2.rational_resampler_ccc(
interpolation=channel_rate,
decimation=pre_channel_rate,
taps=None,
fractional_bw=None,
)
self.blks2_rational_resampler_xxx_0 = blks2.rational_resampler_fff(
interpolation=self.audiorate,
decimation=8000,
taps=None,
fractional_bw=None,
)
#here we generate a random filename in the form /tmp/[random].wav, and then use it for the wavstamp block. this avoids collisions later on. remember to clean up these files when deallocating.
self.tmpfilename = "/tmp/%s.wav" % (
"".join([
random.choice(string.letters + string.digits) for x in range(8)
])
) #if this looks glaringly different, it's because i totally cribbed it from a blog.
self.valve = grc_blks2.valve(gr.sizeof_float, bool(1))
self.dsd_block_ff_0 = dsd.block_ff(dsd.dsd_FRAME_AUTO_DETECT,
dsd.dsd_MOD_AUTO_SELECT, 3, 2, True)
#open the logfile for appending
self.timestampfilename = "%s/%i.txt" % (self.directory, self.talkgroup)
self.timestampfile = open(self.timestampfilename, 'a')
self.filename = "%s/%i.wav" % (self.directory, self.talkgroup)
self.audiosink = smartnet.wavsink(
self.filename, 1, self.audiorate, 8
) #blocks.wavfile_sink(self.filename, 1, self.audiorate, 8) this version allows appending to existing files.
self.audio_sink_0 = audio.sink(44100, "", True)
self.timestamp = 0.0
#print "Finishing logging receiver init()."
self.mute() #start off muted.
print "Connecting blocks"
##################################################
# Connections
##################################################
self.connect(self.blks2_rational_resampler_xxx_0,
self.blocks_multiply_const_vxx_0)
self.connect(self.gr_fir_filter_xxx_0, self.valve, self.dsd_block_ff_0)
self.connect(self.dsd_block_ff_0, self.blks2_rational_resampler_xxx_0)
## Start
self.connect(self, self.gr_freq_xlating_fir_filter_xxx_0,
self.blks2_rational_resampler_xxx_1,
self.gr_quadrature_demod_cf_0, self.gr_fir_filter_xxx_0)
## End
# self.connect(self.blocks_multiply_const_vxx_0, self.audio_sink_0) # Plays the audio
self.connect(self.blocks_multiply_const_vxx_0,
self.audiosink) # Records the audio
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Dsd Grc")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Variables
##################################################
self._config_freq_config = ConfigParser.ConfigParser()
self._config_freq_config.read(".grc_op25")
try: config_freq = self._config_freq_config.getfloat("main", "freq")
except: config_freq = 489900000
self.config_freq = config_freq
self.freq = freq = config_freq
self._config_xlate_offset_config = ConfigParser.ConfigParser()
self._config_xlate_offset_config.read(".grc_op25")
try: config_xlate_offset = self._config_xlate_offset_config.getfloat("main", "xlate_offset")
except: config_xlate_offset = 0
self.config_xlate_offset = config_xlate_offset
self.click_freq = click_freq = freq-config_xlate_offset
self.xlate_offset_fine = xlate_offset_fine = 0
self.xlate_offset = xlate_offset = freq-click_freq
self.samp_rate = samp_rate = 1000000
self.samp_per_sym = samp_per_sym = 10
self.decim = decim = 20
self._config_xlate_bandwidth_config = ConfigParser.ConfigParser()
self._config_xlate_bandwidth_config.read(".grc_op25")
try: config_xlate_bandwidth = self._config_xlate_bandwidth_config.getfloat("main", "xlate_bandwidth")
except: config_xlate_bandwidth = 24000
self.config_xlate_bandwidth = config_xlate_bandwidth
self.auto_tune_offset = auto_tune_offset = 0
self.xlate_bandwidth = xlate_bandwidth = config_xlate_bandwidth
self.variable_static_text_0 = variable_static_text_0 = freq+xlate_offset+xlate_offset_fine+auto_tune_offset
self.squelch = squelch = -65
self.pre_channel_rate = pre_channel_rate = samp_rate/decim
self.gain = gain = 25
self.fine_click_freq = fine_click_freq = 0
self.channel_rate = channel_rate = 4800*samp_per_sym
self.audio_mul = audio_mul = 0
##################################################
# Blocks
##################################################
_xlate_offset_fine_sizer = wx.BoxSizer(wx.VERTICAL)
self._xlate_offset_fine_text_box = forms.text_box(
parent=self.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.GetWin(),
sizer=_xlate_offset_fine_sizer,
value=self.xlate_offset_fine,
callback=self.set_xlate_offset_fine,
minimum=-10000,
maximum=10000,
num_steps=1000,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_xlate_offset_fine_sizer)
self._xlate_offset_text_box = forms.text_box(
parent=self.GetWin(),
value=self.xlate_offset,
callback=self.set_xlate_offset,
label="Xlate Offset",
converter=forms.float_converter(),
)
self.Add(self._xlate_offset_text_box)
_xlate_bandwidth_sizer = wx.BoxSizer(wx.VERTICAL)
self._xlate_bandwidth_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_xlate_bandwidth_sizer,
value=self.xlate_bandwidth,
callback=self.set_xlate_bandwidth,
label="Xlate BW",
converter=forms.float_converter(),
proportion=0,
)
self._xlate_bandwidth_slider = forms.slider(
parent=self.GetWin(),
sizer=_xlate_bandwidth_sizer,
value=self.xlate_bandwidth,
callback=self.set_xlate_bandwidth,
minimum=5000,
maximum=50000,
num_steps=1000,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_xlate_bandwidth_sizer)
self.nb = self.nb = wx.Notebook(self.GetWin(), style=wx.NB_TOP)
self.nb.AddPage(grc_wxgui.Panel(self.nb), "BB-1")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "BB-2")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "Xlate-1")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "Xlate-2")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "4FSK")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "Dibits")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "Traffic")
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="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=100,
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)
_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 mul",
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=-30,
maximum=10,
num_steps=40,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_audio_mul_sizer)
self.wxgui_waterfallsink2_0_0 = waterfallsink2.waterfall_sink_c(
self.nb.GetPage(3).GetWin(),
baseband_freq=0,
dynamic_range=100,
ref_level=50,
ref_scale=2.0,
sample_rate=channel_rate,
fft_size=512,
fft_rate=15,
average=False,
avg_alpha=None,
title="Waterfall Plot",
)
self.nb.GetPage(3).Add(self.wxgui_waterfallsink2_0_0.win)
self.wxgui_waterfallsink2_0 = waterfallsink2.waterfall_sink_c(
self.nb.GetPage(1).GetWin(),
baseband_freq=freq,
dynamic_range=100,
ref_level=50,
ref_scale=2.0,
sample_rate=samp_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_1 = scopesink2.scope_sink_f(
self.nb.GetPage(4).GetWin(),
title="Scope Plot",
sample_rate=channel_rate,
v_scale=1.5,
v_offset=0,
t_scale=0.05,
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_1.win)
self.wxgui_fftsink2_0_0 = fftsink2.fft_sink_c(
self.nb.GetPage(2).GetWin(),
baseband_freq=fine_click_freq,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=channel_rate,
fft_size=1024,
fft_rate=30,
average=True,
avg_alpha=None,
title="FFT Plot",
peak_hold=False,
)
self.nb.GetPage(2).Add(self.wxgui_fftsink2_0_0.win)
def wxgui_fftsink2_0_0_callback(x, y):
self.set_fine_click_freq(x)
self.wxgui_fftsink2_0_0.set_callback(wxgui_fftsink2_0_0_callback)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.nb.GetPage(0).GetWin(),
baseband_freq=freq,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=1024,
fft_rate=30,
average=True,
avg_alpha=None,
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_click_freq(x)
self.wxgui_fftsink2_0.set_callback(wxgui_fftsink2_0_callback)
self._variable_static_text_0_static_text = forms.static_text(
parent=self.GetWin(),
value=self.variable_static_text_0,
callback=self.set_variable_static_text_0,
label="Final freq",
converter=forms.float_converter(),
)
self.Add(self._variable_static_text_0_static_text)
_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=-100,
maximum=100,
num_steps=40,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_squelch_sizer)
self.osmosdr_source_c_0 = osmosdr.source_c( args="nchan=" + str(1) + " " + "hackrf=0" )
self.osmosdr_source_c_0.set_sample_rate(samp_rate)
self.osmosdr_source_c_0.set_center_freq(freq, 0)
self.osmosdr_source_c_0.set_freq_corr(0, 0)
self.osmosdr_source_c_0.set_dc_offset_mode(0, 0)
self.osmosdr_source_c_0.set_iq_balance_mode(0, 0)
self.osmosdr_source_c_0.set_gain_mode(0, 0)
self.osmosdr_source_c_0.set_gain(14, 0)
self.osmosdr_source_c_0.set_if_gain(gain, 0)
self.osmosdr_source_c_0.set_bb_gain(gain, 0)
self.osmosdr_source_c_0.set_antenna("", 0)
self.osmosdr_source_c_0.set_bandwidth(0, 0)
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(decim, (firdes.low_pass(1, samp_rate, xlate_bandwidth/2, 6000)), xlate_offset+xlate_offset_fine-fine_click_freq, samp_rate)
self.fir_filter_xxx_0 = filter.fir_filter_fff(1, ((1.0/samp_per_sym,)*samp_per_sym))
self.dsd_block_ff_0 = dsd.block_ff(dsd.dsd_FRAME_P25_PHASE_1,dsd.dsd_MOD_C4FM,3,3,True)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((10.**(audio_mul/10.), ))
self.blks2_rational_resampler_xxx_1 = blks2.rational_resampler_ccc(
interpolation=channel_rate,
decimation=pre_channel_rate,
taps=None,
fractional_bw=None,
)
self.blks2_rational_resampler_xxx_0 = blks2.rational_resampler_fff(
interpolation=44100,
decimation=8000,
taps=None,
fractional_bw=None,
)
self.audio_sink_0 = audio.sink(44100, "", True)
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(1.6)
##################################################
# Connections
##################################################
self.connect((self.blks2_rational_resampler_xxx_1, 0), (self.wxgui_fftsink2_0_0, 0))
self.connect((self.blks2_rational_resampler_xxx_1, 0), (self.wxgui_waterfallsink2_0_0, 0))
self.connect((self.blks2_rational_resampler_xxx_0, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self.osmosdr_source_c_0, 0), (self.wxgui_waterfallsink2_0, 0))
self.connect((self.osmosdr_source_c_0, 0), (self.wxgui_fftsink2_0, 0))
self.connect((self.dsd_block_ff_0, 0), (self.blks2_rational_resampler_xxx_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.audio_sink_0, 0))
self.connect((self.analog_quadrature_demod_cf_0, 0), (self.fir_filter_xxx_0, 0))
self.connect((self.fir_filter_xxx_0, 0), (self.wxgui_scopesink2_1, 0))
self.connect((self.fir_filter_xxx_0, 0), (self.dsd_block_ff_0, 0))
self.connect((self.osmosdr_source_c_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.blks2_rational_resampler_xxx_1, 0))
self.connect((self.blks2_rational_resampler_xxx_1, 0), (self.analog_quadrature_demod_cf_0, 0))
def __init__(self,
antenna=satnogs.not_set_antenna,
baudrate=9600.0,
bb_gain=satnogs.not_set_rx_bb_gain,
decoded_data_file_path='/tmp/.satnogs/data/data',
dev_args=satnogs.not_set_dev_args,
doppler_correction_per_sec=1000,
enable_iq_dump=0,
file_path='test.wav',
if_gain=satnogs.not_set_rx_if_gain,
iq_file_path='/tmp/iq.dat',
lo_offset=100e3,
mark_frequency=2200.0,
ppm=0,
rf_gain=satnogs.not_set_rx_rf_gain,
rigctl_port=4532,
rx_freq=100e6,
rx_sdr_device='usrpb200',
samp_rate_rx=satnogs.not_set_samp_rate_rx,
space_frequency=1200.0,
udp_IP='127.0.0.1',
udp_port=16887,
waterfall_file_path='/tmp/waterfall.dat'):
gr.top_block.__init__(self, "AFSK1200 AX.25 decoder ")
##################################################
# Parameters
##################################################
self.antenna = antenna
self.baudrate = baudrate
self.bb_gain = bb_gain
self.decoded_data_file_path = decoded_data_file_path
self.dev_args = dev_args
self.doppler_correction_per_sec = doppler_correction_per_sec
self.enable_iq_dump = enable_iq_dump
self.file_path = file_path
self.if_gain = if_gain
self.iq_file_path = iq_file_path
self.lo_offset = lo_offset
self.mark_frequency = mark_frequency
self.ppm = ppm
self.rf_gain = rf_gain
self.rigctl_port = rigctl_port
self.rx_freq = rx_freq
self.rx_sdr_device = rx_sdr_device
self.samp_rate_rx = samp_rate_rx
self.space_frequency = space_frequency
self.udp_IP = udp_IP
self.udp_port = udp_port
self.waterfall_file_path = waterfall_file_path
##################################################
# Variables
##################################################
self.max_modulation_freq = max_modulation_freq = 3000
self.deviation = deviation = 5000
self.baud_rate = baud_rate = 1200
self.audio_samp_rate = audio_samp_rate = 48000
##################################################
# Blocks
##################################################
self.satnogs_waterfall_sink_0 = satnogs.waterfall_sink(
audio_samp_rate, 0.0, 10, 1024, waterfall_file_path, 1)
self.satnogs_udp_msg_sink_0_0 = satnogs.udp_msg_sink(
udp_IP, udp_port, 1500)
self.satnogs_tcp_rigctl_msg_source_0 = satnogs.tcp_rigctl_msg_source(
"127.0.0.1", rigctl_port, False, 1000, 1500)
self.satnogs_quad_demod_filter_ff_0 = satnogs.quad_demod_filter_ff(
((audio_samp_rate / 10) / baud_rate) / (math.pi * 1))
self.satnogs_ogg_encoder_0 = satnogs.ogg_encoder(
file_path, audio_samp_rate, 1.0)
self.satnogs_iq_sink_0 = satnogs.iq_sink(16768, iq_file_path, False,
enable_iq_dump)
self.satnogs_frame_file_sink_0_1_0 = satnogs.frame_file_sink(
decoded_data_file_path, 0)
self.satnogs_coarse_doppler_correction_cc_0 = satnogs.coarse_doppler_correction_cc(
rx_freq, satnogs.handle_samp_rate_rx(rx_sdr_device, samp_rate_rx))
self.satnogs_ax25_decoder_bm_0_0 = satnogs.ax25_decoder_bm(
'GND', 0, True, True, 1024)
self.satnogs_ax25_decoder_bm_0 = satnogs.ax25_decoder_bm(
'GND', 0, True, False, 1024)
self.pfb_arb_resampler_xxx_0 = pfb.arb_resampler_ccf(
audio_samp_rate /
satnogs.handle_samp_rate_rx(rx_sdr_device, samp_rate_rx),
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) + " " +
satnogs.handle_rx_dev_args(rx_sdr_device, dev_args))
self.osmosdr_source_0.set_sample_rate(
satnogs.handle_samp_rate_rx(rx_sdr_device, samp_rate_rx))
self.osmosdr_source_0.set_center_freq(rx_freq - lo_offset, 0)
self.osmosdr_source_0.set_freq_corr(ppm, 0)
self.osmosdr_source_0.set_dc_offset_mode(2, 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(
satnogs.handle_rx_rf_gain(rx_sdr_device, rf_gain), 0)
self.osmosdr_source_0.set_if_gain(
satnogs.handle_rx_if_gain(rx_sdr_device, if_gain), 0)
self.osmosdr_source_0.set_bb_gain(
satnogs.handle_rx_bb_gain(rx_sdr_device, bb_gain), 0)
self.osmosdr_source_0.set_antenna(
satnogs.handle_rx_antenna(rx_sdr_device, antenna), 0)
self.osmosdr_source_0.set_bandwidth(
satnogs.handle_samp_rate_rx(rx_sdr_device, samp_rate_rx), 0)
self.low_pass_filter_1 = filter.fir_filter_ccf(
10,
firdes.low_pass(10, audio_samp_rate,
(mark_frequency - space_frequency) / 2.0, 1000,
firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_0 = filter.fir_filter_ccf(
1,
firdes.low_pass(1, audio_samp_rate,
deviation + max_modulation_freq, 3000,
firdes.WIN_HAMMING, 6.76))
self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff(
(48e3 / 10) / baud_rate, 0.25 * 0.175 * 0.175, 0.5, 0.175, 0.005)
self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
self.dc_blocker_xx_0 = filter.dc_blocker_ff(1024, True)
self.blocks_rotator_cc_0 = blocks.rotator_cc(
-2.0 * math.pi *
(lo_offset /
satnogs.handle_samp_rate_rx(rx_sdr_device, samp_rate_rx)))
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_float_to_complex_0 = blocks.float_to_complex(1)
self.analog_sig_source_x_0 = analog.sig_source_c(
audio_samp_rate, analog.GR_COS_WAVE, -(1200 + 2200) / 2, 1, 0)
self.analog_quadrature_demod_cf_0_0 = analog.quadrature_demod_cf(
(2 * math.pi * deviation) / audio_samp_rate)
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(
((audio_samp_rate / 10) / baud_rate) / (math.pi * 1))
##################################################
# Connections
##################################################
self.msg_connect((self.satnogs_ax25_decoder_bm_0, 'pdu'),
(self.satnogs_frame_file_sink_0_1_0, 'frame'))
self.msg_connect((self.satnogs_ax25_decoder_bm_0, 'pdu'),
(self.satnogs_udp_msg_sink_0_0, 'in'))
self.msg_connect((self.satnogs_ax25_decoder_bm_0_0, 'pdu'),
(self.satnogs_frame_file_sink_0_1_0, 'frame'))
self.msg_connect((self.satnogs_ax25_decoder_bm_0_0, 'pdu'),
(self.satnogs_udp_msg_sink_0_0, 'in'))
self.msg_connect((self.satnogs_tcp_rigctl_msg_source_0, 'freq'),
(self.satnogs_coarse_doppler_correction_cc_0, 'freq'))
self.connect((self.analog_quadrature_demod_cf_0, 0),
(self.digital_clock_recovery_mm_xx_0, 0))
self.connect((self.analog_quadrature_demod_cf_0_0, 0),
(self.dc_blocker_xx_0, 0))
self.connect((self.analog_quadrature_demod_cf_0_0, 0),
(self.satnogs_ogg_encoder_0, 0))
self.connect((self.analog_sig_source_x_0, 0),
(self.blocks_multiply_xx_0, 1))
self.connect((self.blocks_float_to_complex_0, 0),
(self.blocks_multiply_xx_0, 0))
self.connect((self.blocks_multiply_xx_0, 0),
(self.low_pass_filter_1, 0))
self.connect((self.blocks_rotator_cc_0, 0),
(self.satnogs_coarse_doppler_correction_cc_0, 0))
self.connect((self.dc_blocker_xx_0, 0),
(self.blocks_float_to_complex_0, 0))
self.connect((self.digital_binary_slicer_fb_0, 0),
(self.satnogs_ax25_decoder_bm_0, 0))
self.connect((self.digital_binary_slicer_fb_0, 0),
(self.satnogs_ax25_decoder_bm_0_0, 0))
self.connect((self.digital_clock_recovery_mm_xx_0, 0),
(self.satnogs_quad_demod_filter_ff_0, 0))
self.connect((self.low_pass_filter_0, 0),
(self.analog_quadrature_demod_cf_0_0, 0))
self.connect((self.low_pass_filter_1, 0),
(self.analog_quadrature_demod_cf_0, 0))
self.connect((self.osmosdr_source_0, 0), (self.blocks_rotator_cc_0, 0))
self.connect((self.pfb_arb_resampler_xxx_0, 0),
(self.low_pass_filter_0, 0))
self.connect((self.pfb_arb_resampler_xxx_0, 0),
(self.satnogs_iq_sink_0, 0))
self.connect((self.pfb_arb_resampler_xxx_0, 0),
(self.satnogs_waterfall_sink_0, 0))
self.connect((self.satnogs_coarse_doppler_correction_cc_0, 0),
(self.pfb_arb_resampler_xxx_0, 0))
self.connect((self.satnogs_quad_demod_filter_ff_0, 0),
(self.digital_binary_slicer_fb_0, 0))
