def test02(self):
# Test QPSK sync
M = 4
theta = 0
loop_bw = cmath.pi / 100.0
fmin = -0.5
fmax = 0.5
mu = 0.5
gain_mu = 0.01
omega = 2
gain_omega = 0.001
omega_rel = 0.001
self.test = digital.mpsk_receiver_cc(M, theta, loop_bw, fmin, fmax, mu,
gain_mu, omega, gain_omega,
omega_rel)
data = 10000 * [
complex(0.707, 0.707),
complex(-0.707, 0.707),
complex(-0.707, -0.707),
complex(0.707, -0.707)
]
data = [0.5 * d for d in data]
self.src = blocks.vector_source_c(data, False)
self.snk = blocks.vector_sink_c()
# pulse shaping interpolation filter
nfilts = 32
excess_bw = 0.35
ntaps = 11 * int(omega * nfilts)
rrc_taps0 = filter.firdes.root_raised_cosine(nfilts, nfilts, 1.0,
excess_bw, ntaps)
rrc_taps1 = filter.firdes.root_raised_cosine(1, omega, 1.0, excess_bw,
11 * omega)
self.rrc0 = filter.pfb_arb_resampler_ccf(omega, rrc_taps0)
self.rrc1 = filter.fir_filter_ccf(1, rrc_taps1)
self.tb.connect(self.src, self.rrc0, self.rrc1, self.test, self.snk)
self.tb.run()
expected_result = 10000 * [
complex(-0.5, +0.0),
complex(+0.0, -0.5),
complex(+0.5, +0.0),
complex(+0.0, +0.5)
]
dst_data = self.snk.data()
# Only compare last Ncmp samples
Nstrt = 30000
Ncmp = 1000
expected_result = expected_result[Nstrt:Nstrt + Ncmp]
dst_data = dst_data[Nstrt:Nstrt + Ncmp]
#for e,d in zip(expected_result, dst_data):
# print "{0:+.02f} {1:+.02f}".format(e, d)
self.assertComplexTuplesAlmostEqual(expected_result, dst_data, 1)
def __init__(self, sample_rate, symbol_rate): gr.hier_block2.__init__(self, "dvb_s_demodulator_cc", gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature gr.io_signature(1, 1, gr.sizeof_gr_complex)) # Output signature omega = sample_rate / symbol_rate gain_omega = omega * omega / 4.0 freq_beta = freq_alpha * freq_alpha / 4.0 mu = 0.0 gain_mu = 0.05 omega_relative_limit = 0.005 # Automatic gain control self.agc = gr.agc2_cc( 0.06, # Attack rate 0.001, # Decay rate 1, # Reference 1, # Initial gain 100) # Max gain # Frequency correction with band-edge filters FLL freq_beta = freq_alpha * freq_alpha / 4 self.freq_recov = digital.fll_band_edge_cc(omega, dvb_swig.RRC_ROLLOFF_FACTOR, 11 * int(omega), freq_bw) self.freq_recov.set_alpha(freq_alpha) self.freq_recov.set_beta(freq_beta) self.receiver = digital.mpsk_receiver_cc(M, 0, freq_bw, fmin, fmax, mu, gain_mu, omega, gain_omega, omega_relative_limit) self.receiver.set_alpha(freq_alpha) self.receiver.set_beta(freq_beta) self.rotate = gr.multiply_const_cc(0.707 + 0.707j) self.connect(self, self.agc, self.freq_recov, self.receiver, self.rotate, self)
def test02(self):
# Test QPSK sync
M = 4
theta = 0
loop_bw = cmath.pi/100.0
fmin = -0.5
fmax = 0.5
mu = 0.5
gain_mu = 0.01
omega = 2
gain_omega = 0.001
omega_rel = 0.001
self.test = digital.mpsk_receiver_cc(M, theta, loop_bw,
fmin, fmax, mu, gain_mu,
omega, gain_omega,
omega_rel)
data = 10000*[complex( 0.707, 0.707),
complex(-0.707, 0.707),
complex(-0.707, -0.707),
complex( 0.707, -0.707)]
data = [0.5*d for d in data]
self.src = blocks.vector_source_c(data, False)
self.snk = blocks.vector_sink_c()
# pulse shaping interpolation filter
nfilts = 32
excess_bw = 0.35
ntaps = 11 * int(omega*nfilts)
rrc_taps0 = filter.firdes.root_raised_cosine(
nfilts, nfilts, 1.0, excess_bw, ntaps)
rrc_taps1 = filter.firdes.root_raised_cosine(
1, omega, 1.0, excess_bw, 11*omega)
self.rrc0 = filter.pfb_arb_resampler_ccf(omega, rrc_taps0)
self.rrc1 = filter.fir_filter_ccf(1, rrc_taps1)
self.tb.connect(self.src, self.rrc0, self.rrc1, self.test, self.snk)
self.tb.run()
expected_result = 10000*[complex(-0.5, +0.0), complex(+0.0, -0.5),
complex(+0.5, +0.0), complex(+0.0, +0.5)]
# get data after a settling period
dst_data = self.snk.data()[200:]
# Only compare last Ncmp samples
Ncmp = 1000
len_e = len(expected_result)
len_d = len(dst_data)
expected_result = expected_result[len_e - Ncmp - 1:-1]
dst_data = dst_data[len_d - Ncmp:]
#for e,d in zip(expected_result, dst_data):
# print "{0:+.02f} {1:+.02f}".format(e, d)
self.assertComplexTuplesAlmostEqual(expected_result, dst_data, 1)
def test01(self):
# Test BPSK sync
M = 2
theta = 0
loop_bw = cmath.pi / 100.0
fmin = -0.5
fmax = 0.5
mu = 0.5
gain_mu = 0.01
omega = 2
gain_omega = 0.001
omega_rel = 0.001
self.test = digital.mpsk_receiver_cc(M, theta, loop_bw, fmin, fmax, mu,
gain_mu, omega, gain_omega,
omega_rel)
data = 10000 * [complex(1, 0), complex(-1, 0)]
#data = [2*random.randint(0,1)-1 for x in xrange(10000)]
self.src = blocks.vector_source_c(data, False)
self.snk = blocks.vector_sink_c()
# pulse shaping interpolation filter
nfilts = 32
excess_bw = 0.35
ntaps = 11 * int(omega * nfilts)
rrc_taps0 = filter.firdes.root_raised_cosine(nfilts, nfilts, 1.0,
excess_bw, ntaps)
rrc_taps1 = filter.firdes.root_raised_cosine(1, omega, 1.0, excess_bw,
11 * omega)
self.rrc0 = filter.pfb_arb_resampler_ccf(omega, rrc_taps0)
self.rrc1 = filter.fir_filter_ccf(1, rrc_taps1)
self.tb.connect(self.src, self.rrc0, self.rrc1, self.test, self.snk)
self.tb.run()
expected_result = [0.5 * d for d in data]
dst_data = self.snk.data()
# Only compare last Ncmp samples
Ncmp = 1000
len_e = len(expected_result)
len_d = len(dst_data)
expected_result = expected_result[len_e - Ncmp:]
dst_data = dst_data[len_d - Ncmp:]
#for e,d in zip(expected_result, dst_data):
# print "{0:+.02f} {1:+.02f}".format(e, d)
self.assertComplexTuplesAlmostEqual(expected_result, dst_data, 1)
def test01(self):
# Test BPSK sync
M = 2
theta = 0
loop_bw = cmath.pi/100.0
fmin = -0.5
fmax = 0.5
mu = 0.5
gain_mu = 0.01
omega = 2
gain_omega = 0.001
omega_rel = 0.001
self.test = digital.mpsk_receiver_cc(M, theta, loop_bw,
fmin, fmax, mu, gain_mu,
omega, gain_omega,
omega_rel)
data = 10000*[complex(1,0), complex(-1,0)]
#data = [2*random.randint(0,1)-1 for x in xrange(10000)]
self.src = blocks.vector_source_c(data, False)
self.snk = blocks.vector_sink_c()
# pulse shaping interpolation filter
nfilts = 32
excess_bw = 0.35
ntaps = 11 * int(omega*nfilts)
rrc_taps0 = filter.firdes.root_raised_cosine(
nfilts, nfilts, 1.0, excess_bw, ntaps)
rrc_taps1 = filter.firdes.root_raised_cosine(
1, omega, 1.0, excess_bw, 11*omega)
self.rrc0 = filter.pfb_arb_resampler_ccf(omega, rrc_taps0)
self.rrc1 = filter.fir_filter_ccf(1, rrc_taps1)
self.tb.connect(self.src, self.rrc0, self.rrc1, self.test, self.snk)
self.tb.run()
expected_result = [-0.5*d for d in data]
dst_data = self.snk.data()
# Only Ncmp samples after Nstrt samples
Nstrt = 9000
Ncmp = 1000
expected_result = expected_result[Nstrt:Nstrt+Ncmp]
dst_data = dst_data[Nstrt:Nstrt+Ncmp]
#for e,d in zip(expected_result, dst_data):
# print "{0:+.02f} {1:+.02f}".format(e, d)
self.assertComplexTuplesAlmostEqual(expected_result, dst_data, 1)
def __init__(self, sample_rate, symbol_rate):
gr.hier_block2.__init__(
self,
"dvb_s_demodulator_cc",
gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature
gr.io_signature(1, 1, gr.sizeof_gr_complex)) # Output signature
omega = sample_rate / symbol_rate
gain_omega = omega * omega / 4.0
freq_beta = freq_alpha * freq_alpha / 4.0
mu = 0.0
gain_mu = 0.05
omega_relative_limit = 0.005
# Automatic gain control
self.agc = gr.agc2_cc(
0.06, # Attack rate
0.001, # Decay rate
1, # Reference
1, # Initial gain
100) # Max gain
# Frequency correction with band-edge filters FLL
freq_beta = freq_alpha * freq_alpha / 4
self.freq_recov = digital.fll_band_edge_cc(omega,
dvb_swig.RRC_ROLLOFF_FACTOR,
11 * int(omega), freq_bw)
self.freq_recov.set_alpha(freq_alpha)
self.freq_recov.set_beta(freq_beta)
self.receiver = digital.mpsk_receiver_cc(M, 0, freq_bw, fmin, fmax, mu,
gain_mu, omega, gain_omega,
omega_relative_limit)
self.receiver.set_alpha(freq_alpha)
self.receiver.set_beta(freq_beta)
self.rotate = gr.multiply_const_cc(0.707 + 0.707j)
self.connect(self, self.agc, self.freq_recov, self.receiver,
self.rotate, self)
def _connect_rds_flow(self):
xlate_bandwidth = 100000
audio_decim = 5
sample_rate = self._sample_rate
baseband_rate = sample_rate / self.bb_decim
freq_offset = 0
cosine_filter = grf.fir_filter_ccf(
1,
firdes.root_raised_cosine(1, baseband_rate / audio_decim, 2375, 1,
100))
fir0 = grf.freq_xlating_fir_filter_ccc(
1, firdes.low_pass(1, sample_rate, xlate_bandwidth, 100000),
freq_offset, sample_rate)
fir1 = grf.freq_xlating_fir_filter_fcc(
audio_decim,
firdes.low_pass(2500.0, baseband_rate, 2.4e3, 2e3,
firdes.WIN_HAMMING), 57e3, baseband_rate)
mpsk_receiver = digital.mpsk_receiver_cc(
2, 0, cmath.pi / 100.0, -0.06, 0.06, 0.5, 0.05,
baseband_rate / audio_decim / 2375.0, 0.001, 0.005)
complex_to_real = blocks.complex_to_real(1)
binary_slicer = digital.binary_slicer_fb()
keep_one_in_2 = blocks.keep_one_in_n(gr.sizeof_char * 1, 2)
diff_decoder = digital.diff_decoder_bb(2)
self.connect(self.rtlsdr_source, fir0, self.wfm_rcv_rds, fir1,
cosine_filter, mpsk_receiver, complex_to_real,
binary_slicer, keep_one_in_2, diff_decoder,
self.rds_decoder)
# RDS Decoder -> RDS Parser -> RDS Adapter
self.msg_connect(self.rds_decoder, b'out', self.rds_parser, b'in')
self.msg_connect(self.rds_parser, b'out', self.rds_adapter, b'in')
def __init__(self):
gr.top_block.__init__(self, "FM Radio")
Qt.QWidget.__init__(self)
self.setWindowTitle("FM Radio")
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "fm_radio")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.valid_gains = valid_gains = [0.0, 0.9, 1.4, 2.7, 3.7, 7.7, 8.7, 12.5, 14.4, 15.7, 16.6, 19.7, 20.7, 22.9, 25.4, 28.0, 29.7, 32.8, 33.8, 36.4, 37.2, 38.6, 40.2, 42.1, 43.4, 43.9, 44.5, 48.0, 49.6]
self.samp_rate = samp_rate = 2.048e6
self.baseband_decimation = baseband_decimation = 10
self.rf_gain = rf_gain = len(valid_gains)-1
self.rds_dec = rds_dec = 10
self.pilot_tone = pilot_tone = 19e3
self.baseband_rate = baseband_rate = samp_rate // baseband_decimation
self.stereo_subcarrier = stereo_subcarrier = pilot_tone * 2
self.stereo_button = stereo_button = 0
self.slider_volume = slider_volume = 0
self.sdr_gain = sdr_gain = valid_gains[rf_gain]
self.rds_symbols_per_bit = rds_symbols_per_bit = 2
self.rds_subcarrier = rds_subcarrier = pilot_tone * 3
self.rds_samp_rate = rds_samp_rate = baseband_rate / rds_dec
self.rds_bitrate = rds_bitrate = 1.1875e3
self.rds_bandwidth = rds_bandwidth = 2.83e3
self.fm_station = fm_station = 102.7
self.fm_broadcast_seperation = fm_broadcast_seperation = 0.2
self.fm_broadcast_low = fm_broadcast_low = 87.1
self.fm_broadcast_high = fm_broadcast_high = 107.9
self.audio_rate = audio_rate = 48e3
##################################################
# Blocks
##################################################
self.notebook_top = Qt.QTabWidget()
self.notebook_top_widget_0 = Qt.QWidget()
self.notebook_top_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.notebook_top_widget_0)
self.notebook_top_grid_layout_0 = Qt.QGridLayout()
self.notebook_top_layout_0.addLayout(self.notebook_top_grid_layout_0)
self.notebook_top.addTab(self.notebook_top_widget_0, "RF Receive")
self.notebook_top_widget_1 = Qt.QWidget()
self.notebook_top_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.notebook_top_widget_1)
self.notebook_top_grid_layout_1 = Qt.QGridLayout()
self.notebook_top_layout_1.addLayout(self.notebook_top_grid_layout_1)
self.notebook_top.addTab(self.notebook_top_widget_1, "Baseband")
self.notebook_top_widget_2 = Qt.QWidget()
self.notebook_top_layout_2 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.notebook_top_widget_2)
self.notebook_top_grid_layout_2 = Qt.QGridLayout()
self.notebook_top_layout_2.addLayout(self.notebook_top_grid_layout_2)
self.notebook_top.addTab(self.notebook_top_widget_2, "Mono Audio")
self.notebook_top_widget_3 = Qt.QWidget()
self.notebook_top_layout_3 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.notebook_top_widget_3)
self.notebook_top_grid_layout_3 = Qt.QGridLayout()
self.notebook_top_layout_3.addLayout(self.notebook_top_grid_layout_3)
self.notebook_top.addTab(self.notebook_top_widget_3, "Sub-Carrier Generation")
self.notebook_top_widget_4 = Qt.QWidget()
self.notebook_top_layout_4 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.notebook_top_widget_4)
self.notebook_top_grid_layout_4 = Qt.QGridLayout()
self.notebook_top_layout_4.addLayout(self.notebook_top_grid_layout_4)
self.notebook_top.addTab(self.notebook_top_widget_4, "Stereo")
self.notebook_top_widget_5 = Qt.QWidget()
self.notebook_top_layout_5 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.notebook_top_widget_5)
self.notebook_top_grid_layout_5 = Qt.QGridLayout()
self.notebook_top_layout_5.addLayout(self.notebook_top_grid_layout_5)
self.notebook_top.addTab(self.notebook_top_widget_5, "RDS")
self.top_grid_layout.addWidget(self.notebook_top, 3, 0, 1, 8)
self._slider_volume_range = Range(0, 11.1, 0.1, 0, 100)
self._slider_volume_win = RangeWidget(self._slider_volume_range, self.set_slider_volume, 'Volume', "counter_slider", float)
self.top_grid_layout.addWidget(self._slider_volume_win, 1, 1, 1, 1)
self.notebook_subcarriers = Qt.QTabWidget()
self.notebook_subcarriers_widget_0 = Qt.QWidget()
self.notebook_subcarriers_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.notebook_subcarriers_widget_0)
self.notebook_subcarriers_grid_layout_0 = Qt.QGridLayout()
self.notebook_subcarriers_layout_0.addLayout(self.notebook_subcarriers_grid_layout_0)
self.notebook_subcarriers.addTab(self.notebook_subcarriers_widget_0, "Pilot Signal")
self.notebook_subcarriers_widget_1 = Qt.QWidget()
self.notebook_subcarriers_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.notebook_subcarriers_widget_1)
self.notebook_subcarriers_grid_layout_1 = Qt.QGridLayout()
self.notebook_subcarriers_layout_1.addLayout(self.notebook_subcarriers_grid_layout_1)
self.notebook_subcarriers.addTab(self.notebook_subcarriers_widget_1, "Spectrum")
self.notebook_top_grid_layout_3.addWidget(self.notebook_subcarriers, 0, 0, 1, 1)
self.notebook_rds = Qt.QTabWidget()
self.notebook_rds_widget_0 = Qt.QWidget()
self.notebook_rds_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.notebook_rds_widget_0)
self.notebook_rds_grid_layout_0 = Qt.QGridLayout()
self.notebook_rds_layout_0.addLayout(self.notebook_rds_grid_layout_0)
self.notebook_rds.addTab(self.notebook_rds_widget_0, "RDS Signal")
self.notebook_rds_widget_1 = Qt.QWidget()
self.notebook_rds_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.notebook_rds_widget_1)
self.notebook_rds_grid_layout_1 = Qt.QGridLayout()
self.notebook_rds_layout_1.addLayout(self.notebook_rds_grid_layout_1)
self.notebook_rds.addTab(self.notebook_rds_widget_1, "RDS Bitstream")
self.notebook_top_grid_layout_5.addWidget(self.notebook_rds, 0, 0, 1, 1)
self._fm_station_range = Range(fm_broadcast_low, fm_broadcast_high, fm_broadcast_seperation, 102.7, 200)
self._fm_station_win = RangeWidget(self._fm_station_range, self.set_fm_station, "FM Station", "counter_slider", float)
self.top_grid_layout.addWidget(self._fm_station_win, 0, 0, 1, 8)
self._stereo_button_options = (0, 1, )
self._stereo_button_labels = ("Mono", "Stereo", )
self._stereo_button_tool_bar = Qt.QToolBar(self)
self._stereo_button_tool_bar.addWidget(Qt.QLabel("Audio Output"+": "))
self._stereo_button_combo_box = Qt.QComboBox()
self._stereo_button_tool_bar.addWidget(self._stereo_button_combo_box)
for label in self._stereo_button_labels: self._stereo_button_combo_box.addItem(label)
self._stereo_button_callback = lambda i: Qt.QMetaObject.invokeMethod(self._stereo_button_combo_box, "setCurrentIndex", Qt.Q_ARG("int", self._stereo_button_options.index(i)))
self._stereo_button_callback(self.stereo_button)
self._stereo_button_combo_box.currentIndexChanged.connect(
lambda i: self.set_stereo_button(self._stereo_button_options[i]))
self.top_grid_layout.addWidget(self._stereo_button_tool_bar, 1, 2, 1, 1)
self.rtlsdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + "" )
self.rtlsdr_source_0.set_sample_rate(samp_rate)
self.rtlsdr_source_0.set_center_freq(fm_station * 1e6, 0)
self.rtlsdr_source_0.set_freq_corr(14, 0)
self.rtlsdr_source_0.set_dc_offset_mode(2, 0)
self.rtlsdr_source_0.set_iq_balance_mode(0, 0)
self.rtlsdr_source_0.set_gain_mode(False, 0)
self.rtlsdr_source_0.set_gain(sdr_gain, 0)
self.rtlsdr_source_0.set_if_gain(0, 0)
self.rtlsdr_source_0.set_bb_gain(0, 0)
self.rtlsdr_source_0.set_antenna("", 0)
self.rtlsdr_source_0.set_bandwidth(0, 0)
self.root_raised_cosine_filter_0 = filter.fir_filter_ccf(1, firdes.root_raised_cosine(
2, rds_samp_rate, rds_bitrate * rds_symbols_per_bit, 0.275, 16))
self._rf_gain_range = Range(0, len(valid_gains)-1, 1, len(valid_gains)-1, 200)
self._rf_gain_win = RangeWidget(self._rf_gain_range, self.set_rf_gain, "RF Gain", "counter_slider", int)
self.top_grid_layout.addWidget(self._rf_gain_win, 1, 0, 1, 1)
self.rds_qt_panel_0 = self.rds_qt_panel_0 = rds.qt_panel()
self.notebook_top_layout_5.addWidget(self.rds_qt_panel_0)
self.rational_resampler_xxx_0_0_0_1 = filter.rational_resampler_fff(
interpolation=int(audio_rate),
decimation=int(baseband_rate),
taps=None,
fractional_bw=None,
)
self.rational_resampler_xxx_0_0_0_0 = filter.rational_resampler_fff(
interpolation=int(audio_rate),
decimation=int(baseband_rate),
taps=None,
fractional_bw=None,
)
self.rational_resampler_xxx_0_0_0 = filter.rational_resampler_fff(
interpolation=int(audio_rate),
decimation=int(baseband_rate),
taps=None,
fractional_bw=None,
)
self.qtgui_time_sink_x_1 = qtgui.time_sink_f(
1024, #size
samp_rate, #samp_rate
"RBDS Bit Stream", #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(-1.7, 1.7)
self.qtgui_time_sink_x_1.set_y_label("Amplitude", "")
self.qtgui_time_sink_x_1.enable_tags(-1, False)
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(True)
self.qtgui_time_sink_x_1.enable_control_panel(False)
if not True:
self.qtgui_time_sink_x_1.disable_legend()
labels = ["Raw Bit Stream", "Differential Decoded", "", "", "",
"", "", "", "", ""]
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.notebook_rds_layout_1.addWidget(self._qtgui_time_sink_x_1_win)
self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
1024, #size
baseband_rate, #samp_rate
"19 KHz Pilot Signal", #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(-1.5, 1.5)
self.qtgui_time_sink_x_0.set_y_label("Amplitude", "counts")
self.qtgui_time_sink_x_0.enable_tags(-1, False)
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 False:
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.notebook_subcarriers_grid_layout_0.addWidget(self._qtgui_time_sink_x_0_win, 0, 1, 1, 1)
self.qtgui_freq_sink_x_1 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
rds_samp_rate, #bw
"RDS Subcarrier Signal (DSB-SSC)", #name
2 #number of inputs
)
self.qtgui_freq_sink_x_1.set_update_time(0.10)
self.qtgui_freq_sink_x_1.set_y_axis(-100, 0)
self.qtgui_freq_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "")
self.qtgui_freq_sink_x_1.enable_autoscale(False)
self.qtgui_freq_sink_x_1.enable_grid(False)
self.qtgui_freq_sink_x_1.set_fft_average(1.0)
self.qtgui_freq_sink_x_1.enable_control_panel(False)
if not False:
self.qtgui_freq_sink_x_1.disable_legend()
if complex == type(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(2):
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.notebook_rds_grid_layout_0 .addWidget(self._qtgui_freq_sink_x_1_win, 0, 0, 1, 1)
self.qtgui_freq_sink_x_0_1_0_1_0 = qtgui.freq_sink_f(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
audio_rate, #bw
"Stereo Audio Left", #name
2 #number of inputs
)
self.qtgui_freq_sink_x_0_1_0_1_0.set_update_time(0.10)
self.qtgui_freq_sink_x_0_1_0_1_0.set_y_axis(-100, -30)
self.qtgui_freq_sink_x_0_1_0_1_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "")
self.qtgui_freq_sink_x_0_1_0_1_0.enable_autoscale(False)
self.qtgui_freq_sink_x_0_1_0_1_0.enable_grid(False)
self.qtgui_freq_sink_x_0_1_0_1_0.set_fft_average(0.1)
self.qtgui_freq_sink_x_0_1_0_1_0.enable_control_panel(False)
if not False:
self.qtgui_freq_sink_x_0_1_0_1_0.disable_legend()
if float == type(float()):
self.qtgui_freq_sink_x_0_1_0_1_0.set_plot_pos_half(not False)
labels = ["Stereo Left", "Stereo Right", "", "", "",
"", "", "", "", ""]
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_1_0_1_0.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_0_1_0_1_0.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_0_1_0_1_0.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_0_1_0_1_0.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_0_1_0_1_0.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_0_1_0_1_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_0_1_0_1_0.pyqwidget(), Qt.QWidget)
self.notebook_top_grid_layout_4.addWidget(self._qtgui_freq_sink_x_0_1_0_1_0_win, 0, 0, 1, 1)
self.qtgui_freq_sink_x_0_1_0_1 = qtgui.freq_sink_f(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
audio_rate, #bw
"Stereo Audio Right", #name
2 #number of inputs
)
self.qtgui_freq_sink_x_0_1_0_1.set_update_time(0.10)
self.qtgui_freq_sink_x_0_1_0_1.set_y_axis(-100, -30)
self.qtgui_freq_sink_x_0_1_0_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "")
self.qtgui_freq_sink_x_0_1_0_1.enable_autoscale(False)
self.qtgui_freq_sink_x_0_1_0_1.enable_grid(False)
self.qtgui_freq_sink_x_0_1_0_1.set_fft_average(0.1)
self.qtgui_freq_sink_x_0_1_0_1.enable_control_panel(False)
if not False:
self.qtgui_freq_sink_x_0_1_0_1.disable_legend()
if float == type(float()):
self.qtgui_freq_sink_x_0_1_0_1.set_plot_pos_half(not False)
labels = ["Stereo Right", "Stereo Right", "", "", "",
"", "", "", "", ""]
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_1_0_1.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_0_1_0_1.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_0_1_0_1.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_0_1_0_1.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_0_1_0_1.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_0_1_0_1_win = sip.wrapinstance(self.qtgui_freq_sink_x_0_1_0_1.pyqwidget(), Qt.QWidget)
self.notebook_top_grid_layout_4.addWidget(self._qtgui_freq_sink_x_0_1_0_1_win, 0, 1, 1, 1)
self.qtgui_freq_sink_x_0_1_0_0 = qtgui.freq_sink_f(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
baseband_rate, #bw
"Pilot & Stereo Carrier", #name
2 #number of inputs
)
self.qtgui_freq_sink_x_0_1_0_0.set_update_time(0.10)
self.qtgui_freq_sink_x_0_1_0_0.set_y_axis(-80, 0)
self.qtgui_freq_sink_x_0_1_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "")
self.qtgui_freq_sink_x_0_1_0_0.enable_autoscale(False)
self.qtgui_freq_sink_x_0_1_0_0.enable_grid(False)
self.qtgui_freq_sink_x_0_1_0_0.set_fft_average(0.1)
self.qtgui_freq_sink_x_0_1_0_0.enable_control_panel(False)
if not True:
self.qtgui_freq_sink_x_0_1_0_0.disable_legend()
if float == type(float()):
self.qtgui_freq_sink_x_0_1_0_0.set_plot_pos_half(not False)
labels = ["Pilot Tone", "Stereo Carrier", "RDS Carrier", "", "",
"", "", "", "", ""]
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_1_0_0.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_0_1_0_0.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_0_1_0_0.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_0_1_0_0.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_0_1_0_0.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_0_1_0_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_0_1_0_0.pyqwidget(), Qt.QWidget)
self.notebook_subcarriers_grid_layout_1.addWidget(self._qtgui_freq_sink_x_0_1_0_0_win, 0, 0, 1, 1)
self.qtgui_freq_sink_x_0_0_0 = qtgui.freq_sink_f(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
audio_rate, #bw
"Mono Audio (L+R)", #name
2 #number of inputs
)
self.qtgui_freq_sink_x_0_0_0.set_update_time(0.10)
self.qtgui_freq_sink_x_0_0_0.set_y_axis(-100, -30)
self.qtgui_freq_sink_x_0_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "")
self.qtgui_freq_sink_x_0_0_0.enable_autoscale(False)
self.qtgui_freq_sink_x_0_0_0.enable_grid(False)
self.qtgui_freq_sink_x_0_0_0.set_fft_average(0.2)
self.qtgui_freq_sink_x_0_0_0.enable_control_panel(False)
if not False:
self.qtgui_freq_sink_x_0_0_0.disable_legend()
if float == type(float()):
self.qtgui_freq_sink_x_0_0_0.set_plot_pos_half(not 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 xrange(2):
if len(labels[i]) == 0:
self.qtgui_freq_sink_x_0_0_0.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_0_0_0.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_0_0_0.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_0_0_0.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_0_0_0.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_0_0_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_0_0_0.pyqwidget(), Qt.QWidget)
self.notebook_top_grid_layout_2.addWidget(self._qtgui_freq_sink_x_0_0_0_win, 1, 0, 1, 5)
self.qtgui_freq_sink_x_0_0 = qtgui.freq_sink_f(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
baseband_rate, #bw
"FM Baseband", #name
1 #number of inputs
)
self.qtgui_freq_sink_x_0_0.set_update_time(0.10)
self.qtgui_freq_sink_x_0_0.set_y_axis(-100, -30)
self.qtgui_freq_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "")
self.qtgui_freq_sink_x_0_0.enable_autoscale(False)
self.qtgui_freq_sink_x_0_0.enable_grid(False)
self.qtgui_freq_sink_x_0_0.set_fft_average(0.1)
self.qtgui_freq_sink_x_0_0.enable_control_panel(False)
if not False:
self.qtgui_freq_sink_x_0_0.disable_legend()
if float == type(float()):
self.qtgui_freq_sink_x_0_0.set_plot_pos_half(not 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 xrange(1):
if len(labels[i]) == 0:
self.qtgui_freq_sink_x_0_0.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_0_0.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_0_0.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_0_0.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_0_0.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_0_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_0_0.pyqwidget(), Qt.QWidget)
self.notebook_top_grid_layout_1.addWidget(self._qtgui_freq_sink_x_0_0_win, 0, 1, 1, 1)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
fm_station * 1e6, #fc
samp_rate, #bw
"RF Frequency", #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(-90, 0)
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_control_panel(False)
if not False:
self.qtgui_freq_sink_x_0.disable_legend()
if complex == type(float()):
self.qtgui_freq_sink_x_0.set_plot_pos_half(not True)
labels = ["", "", "", "", "",
"", "", "", "", ""]
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ["blue", "red", "green", "black", "cyan",
"magenta", "yellow", "dark red", "dark green", "dark blue"]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_freq_sink_x_0.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_0.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_0.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_0.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
self.notebook_top_grid_layout_0.addWidget(self._qtgui_freq_sink_x_0_win, 0, 1, 1, 1)
self.qtgui_const_sink_x_0 = qtgui.const_sink_c(
1024, #size
"RDS BPSK Constellation", #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(-1.6, 1.6)
self.qtgui_const_sink_x_0.set_x_axis(-1.6, 1.6)
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(False)
self.qtgui_const_sink_x_0.enable_grid(True)
if not False:
self.qtgui_const_sink_x_0.disable_legend()
labels = ["RBDS BPSK", "", "", "", "",
"", "", "", "", ""]
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.notebook_rds_grid_layout_0.addWidget(self._qtgui_const_sink_x_0_win, 0, 1, 1, 1)
self.low_pass_filter_4 = filter.fir_filter_fff(1, firdes.low_pass(
1, baseband_rate, 60e3, 1e3, firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_2 = filter.fir_filter_fff(1, firdes.low_pass(
1, baseband_rate, 16e3, 1e3, firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_1 = filter.fir_filter_fff(1, firdes.low_pass(
10, baseband_rate, 15e3, 3e3, firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_0 = filter.fir_filter_ccf(baseband_decimation, firdes.low_pass(
1, samp_rate, 75e3, 1e3, firdes.WIN_HAMMING, 6.76))
self.gr_rds_parser_0 = rds.parser(False, False, 1)
self.gr_rds_decoder_0 = rds.decoder(False, False)
self.freq_xlating_fir_filter_xxx_1 = filter.freq_xlating_fir_filter_fcc(rds_dec, (firdes.low_pass(2500,baseband_rate,rds_bandwidth,1e3,firdes.WIN_HAMMING)), rds_subcarrier, baseband_rate)
self.digital_mpsk_receiver_cc_0 = digital.mpsk_receiver_cc(2, 0, (2 * cmath.pi) / 100, -0.00006, 0.00006, 0.5, 0.05, rds_samp_rate / (rds_bitrate * 2), ((rds_samp_rate / (rds_bitrate * 2)) ** 2)/ 4, 0.005)
self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(2)
self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
self.blocks_uchar_to_float_0_0 = blocks.uchar_to_float()
self.blocks_uchar_to_float_0 = blocks.uchar_to_float()
self.blocks_sub_xx_0 = blocks.sub_ff(1)
self.blocks_multiply_xx_1 = blocks.multiply_vff(1)
self.blocks_multiply_xx_0 = blocks.multiply_vff(1)
self.blocks_multiply_const_vxx_1_0_1_0_1 = blocks.multiply_const_vff((11, ))
self.blocks_multiply_const_vxx_1_0_1_0_0 = blocks.multiply_const_vff((11, ))
self.blocks_multiply_const_vxx_1_0_1_0 = blocks.multiply_const_vff((11, ))
self.blocks_multiply_const_vxx_1_0_1 = blocks.multiply_const_vff((slider_volume, ))
self.blocks_multiply_const_vxx_1_0_0 = blocks.multiply_const_vff((slider_volume, ))
self.blocks_multiply_const_vxx_1_0 = blocks.multiply_const_vff((slider_volume, ))
self.blocks_keep_one_in_n_0 = blocks.keep_one_in_n(gr.sizeof_char*1, 2)
self.blocks_complex_to_real_1 = blocks.complex_to_real(1)
self.blocks_complex_to_real_0 = blocks.complex_to_real(1)
self.blocks_add_xx_0 = blocks.add_vff(1)
self.blocks_add_const_vxx_0_0 = blocks.add_const_vff((0.5, ))
self.blocks_add_const_vxx_0 = blocks.add_const_vff((-1.5, ))
self.blks2_selector_0_0 = grc_blks2.selector(
item_size=gr.sizeof_float*1,
num_inputs=2,
num_outputs=1,
input_index=0,
output_index=0,
)
self.blks2_selector_0 = grc_blks2.selector(
item_size=gr.sizeof_float*1,
num_inputs=2,
num_outputs=1,
input_index=0,
output_index=0,
)
self.band_pass_filter_1 = filter.fir_filter_fff(1, firdes.band_pass(
1, baseband_rate, stereo_subcarrier - 0.5e3, stereo_subcarrier + 0.5e3, 0.5e3, firdes.WIN_HAMMING, 6.76))
self.band_pass_filter_0_0 = filter.fir_filter_fff(1, firdes.band_pass(
1, baseband_rate, 23e3, 53e3, 1e3, firdes.WIN_HAMMING, 6.76))
self.band_pass_filter_0 = filter.fir_filter_fcc(1, firdes.complex_band_pass(
1, baseband_rate, pilot_tone - 0.5e3, pilot_tone+0.5e3, 1e3, firdes.WIN_HAMMING, 6.76))
self.audio_sink_0 = audio.sink(48000, "", True)
self.analog_wfm_rcv_0 = analog.wfm_rcv(
quad_rate=baseband_rate,
audio_decimation=1,
)
self.analog_pll_refout_cc_0 = analog.pll_refout_cc(1e-3, 2 * cmath.pi * (19000+200) / baseband_rate, 2 * cmath.pi * (19000-200) / baseband_rate)
self.analog_fm_deemph_0_0_0_1 = analog.fm_deemph(fs=baseband_rate, tau=75e-6)
self.analog_fm_deemph_0_0_0_0 = analog.fm_deemph(fs=baseband_rate, tau=75e-6)
self.analog_fm_deemph_0_0_0 = analog.fm_deemph(fs=baseband_rate, tau=75e-6)
##################################################
# Connections
##################################################
self.msg_connect((self.gr_rds_decoder_0, 'out'), (self.gr_rds_parser_0, 'in'))
self.msg_connect((self.gr_rds_parser_0, 'out'), (self.rds_qt_panel_0, 'in'))
self.connect((self.analog_fm_deemph_0_0_0, 0), (self.rational_resampler_xxx_0_0_0, 0))
self.connect((self.analog_fm_deemph_0_0_0_0, 0), (self.rational_resampler_xxx_0_0_0_0, 0))
self.connect((self.analog_fm_deemph_0_0_0_1, 0), (self.rational_resampler_xxx_0_0_0_1, 0))
self.connect((self.analog_pll_refout_cc_0, 0), (self.blocks_complex_to_real_1, 0))
self.connect((self.analog_wfm_rcv_0, 0), (self.low_pass_filter_4, 0))
self.connect((self.band_pass_filter_0, 0), (self.analog_pll_refout_cc_0, 0))
self.connect((self.band_pass_filter_0_0, 0), (self.blocks_multiply_xx_1, 1))
self.connect((self.band_pass_filter_1, 0), (self.blocks_multiply_xx_1, 0))
self.connect((self.band_pass_filter_1, 0), (self.qtgui_freq_sink_x_0_1_0_0, 1))
self.connect((self.blks2_selector_0, 0), (self.audio_sink_0, 0))
self.connect((self.blks2_selector_0_0, 0), (self.audio_sink_0, 1))
self.connect((self.blocks_add_const_vxx_0, 0), (self.qtgui_time_sink_x_1, 1))
self.connect((self.blocks_add_const_vxx_0_0, 0), (self.qtgui_time_sink_x_1, 0))
self.connect((self.blocks_add_xx_0, 0), (self.analog_fm_deemph_0_0_0_0, 0))
self.connect((self.blocks_complex_to_real_0, 0), (self.digital_binary_slicer_fb_0, 0))
self.connect((self.blocks_complex_to_real_1, 0), (self.blocks_multiply_xx_0, 0))
self.connect((self.blocks_complex_to_real_1, 0), (self.blocks_multiply_xx_0, 1))
self.connect((self.blocks_complex_to_real_1, 0), (self.qtgui_freq_sink_x_0_1_0_0, 0))
self.connect((self.blocks_complex_to_real_1, 0), (self.qtgui_time_sink_x_0, 0))
self.connect((self.blocks_keep_one_in_n_0, 0), (self.blocks_uchar_to_float_0, 0))
self.connect((self.blocks_keep_one_in_n_0, 0), (self.digital_diff_decoder_bb_0, 0))
self.connect((self.blocks_multiply_const_vxx_1_0, 0), (self.blks2_selector_0, 1))
self.connect((self.blocks_multiply_const_vxx_1_0, 0), (self.qtgui_freq_sink_x_0_1_0_1, 1))
self.connect((self.blocks_multiply_const_vxx_1_0_0, 0), (self.blks2_selector_0_0, 1))
self.connect((self.blocks_multiply_const_vxx_1_0_0, 0), (self.qtgui_freq_sink_x_0_1_0_1_0, 1))
self.connect((self.blocks_multiply_const_vxx_1_0_1, 0), (self.blks2_selector_0, 0))
self.connect((self.blocks_multiply_const_vxx_1_0_1, 0), (self.blks2_selector_0_0, 0))
self.connect((self.blocks_multiply_const_vxx_1_0_1, 0), (self.qtgui_freq_sink_x_0_0_0, 1))
self.connect((self.blocks_multiply_const_vxx_1_0_1_0, 0), (self.qtgui_freq_sink_x_0_0_0, 0))
self.connect((self.blocks_multiply_const_vxx_1_0_1_0_0, 0), (self.qtgui_freq_sink_x_0_1_0_1, 0))
self.connect((self.blocks_multiply_const_vxx_1_0_1_0_1, 0), (self.qtgui_freq_sink_x_0_1_0_1_0, 0))
self.connect((self.blocks_multiply_xx_0, 0), (self.band_pass_filter_1, 0))
self.connect((self.blocks_multiply_xx_1, 0), (self.low_pass_filter_2, 0))
self.connect((self.blocks_sub_xx_0, 0), (self.analog_fm_deemph_0_0_0, 0))
self.connect((self.blocks_uchar_to_float_0, 0), (self.blocks_add_const_vxx_0_0, 0))
self.connect((self.blocks_uchar_to_float_0_0, 0), (self.blocks_add_const_vxx_0, 0))
self.connect((self.digital_binary_slicer_fb_0, 0), (self.blocks_keep_one_in_n_0, 0))
self.connect((self.digital_diff_decoder_bb_0, 0), (self.blocks_uchar_to_float_0_0, 0))
self.connect((self.digital_diff_decoder_bb_0, 0), (self.gr_rds_decoder_0, 0))
self.connect((self.digital_mpsk_receiver_cc_0, 0), (self.blocks_complex_to_real_0, 0))
self.connect((self.digital_mpsk_receiver_cc_0, 0), (self.qtgui_const_sink_x_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_1, 0), (self.qtgui_freq_sink_x_1, 0))
self.connect((self.freq_xlating_fir_filter_xxx_1, 0), (self.root_raised_cosine_filter_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.analog_wfm_rcv_0, 0))
self.connect((self.low_pass_filter_1, 0), (self.analog_fm_deemph_0_0_0_1, 0))
self.connect((self.low_pass_filter_1, 0), (self.blocks_add_xx_0, 0))
self.connect((self.low_pass_filter_1, 0), (self.blocks_sub_xx_0, 0))
self.connect((self.low_pass_filter_2, 0), (self.blocks_add_xx_0, 1))
self.connect((self.low_pass_filter_2, 0), (self.blocks_sub_xx_0, 1))
self.connect((self.low_pass_filter_4, 0), (self.band_pass_filter_0, 0))
self.connect((self.low_pass_filter_4, 0), (self.band_pass_filter_0_0, 0))
self.connect((self.low_pass_filter_4, 0), (self.freq_xlating_fir_filter_xxx_1, 0))
self.connect((self.low_pass_filter_4, 0), (self.low_pass_filter_1, 0))
self.connect((self.low_pass_filter_4, 0), (self.qtgui_freq_sink_x_0_0, 0))
self.connect((self.rational_resampler_xxx_0_0_0, 0), (self.blocks_multiply_const_vxx_1_0, 0))
self.connect((self.rational_resampler_xxx_0_0_0, 0), (self.blocks_multiply_const_vxx_1_0_1_0_0, 0))
self.connect((self.rational_resampler_xxx_0_0_0_0, 0), (self.blocks_multiply_const_vxx_1_0_0, 0))
self.connect((self.rational_resampler_xxx_0_0_0_0, 0), (self.blocks_multiply_const_vxx_1_0_1_0_1, 0))
self.connect((self.rational_resampler_xxx_0_0_0_1, 0), (self.blocks_multiply_const_vxx_1_0_1, 0))
self.connect((self.rational_resampler_xxx_0_0_0_1, 0), (self.blocks_multiply_const_vxx_1_0_1_0, 0))
self.connect((self.root_raised_cosine_filter_0, 0), (self.digital_mpsk_receiver_cc_0, 0))
self.connect((self.root_raised_cosine_filter_0, 0), (self.qtgui_freq_sink_x_1, 1))
self.connect((self.rtlsdr_source_0, 0), (self.low_pass_filter_0, 0))
self.connect((self.rtlsdr_source_0, 0), (self.qtgui_freq_sink_x_0, 0))
def __init__(self):
gr.top_block.__init__(
self, "Downlink from TVAC (This should run all the time)")
Qt.QWidget.__init__(self)
self.setWindowTitle(
"Downlink from TVAC (This should run all the time)")
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", "downlink")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.block_len_enc = block_len_enc = 1024 / 8 * 2
self.variable_constellation_0 = variable_constellation_0 = digital.constellation_calcdist(
([-1, 1]), ([0, 1]), 4, 1).base()
self.samp_rate_factor = samp_rate_factor = 5
self.samp_rate = samp_rate = 250000
self.rgain = rgain = 0
self.payload = payload = block_len_enc + 4
self.freq_offset_flag = freq_offset_flag = 0
self.freq_offset = freq_offset = 0
##################################################
# Blocks
##################################################
self._rgain_range = Range(0, 11, 1, 0, 200)
self._rgain_win = RangeWidget(self._rgain_range, self.set_rgain,
'RX Gain', "counter_slider", float)
self.top_layout.addWidget(self._rgain_win)
self._freq_offset_range = Range(-400e3, 400e3, 1.5e3, 0, 200)
self._freq_offset_win = RangeWidget(self._freq_offset_range,
self.set_freq_offset,
'Frequency Offset',
"counter_slider", float)
self.top_layout.addWidget(self._freq_offset_win)
self.rational_resampler_xxx_1 = filter.rational_resampler_ccc(
interpolation=1,
decimation=5,
taps=None,
fractional_bw=None,
)
self.qtgui_sink_x_1 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"", #name
False, #plotfreq
False, #plotwaterfall
False, #plottime
True, #plotconst
)
self.qtgui_sink_x_1.set_update_time(1.0 / 10)
self._qtgui_sink_x_1_win = sip.wrapinstance(
self.qtgui_sink_x_1.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_sink_x_1_win)
self.qtgui_sink_x_1.enable_rf_freq(False)
self.qtgui_sink_x_0_0_1 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"Vor Sync", #name
True, #plotfreq
True, #plotwaterfall
True, #plottime
True, #plotconst
)
self.qtgui_sink_x_0_0_1.set_update_time(1.0 / 10)
self._qtgui_sink_x_0_0_1_win = sip.wrapinstance(
self.qtgui_sink_x_0_0_1.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_sink_x_0_0_1_win)
self.qtgui_sink_x_0_0_1.enable_rf_freq(False)
self.qtgui_sink_x_0_0 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate * samp_rate_factor, #bw
"Vor Sync", #name
True, #plotfreq
True, #plotwaterfall
True, #plottime
True, #plotconst
)
self.qtgui_sink_x_0_0.set_update_time(1.0 / 10)
self._qtgui_sink_x_0_0_win = sip.wrapinstance(
self.qtgui_sink_x_0_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_sink_x_0_0_win)
self.qtgui_sink_x_0_0.enable_rf_freq(False)
self.osmosdr_source_0 = osmosdr.source(
args="numchan=" + str(1) + " " +
'bladerf=1269166c0b71088680ad4ec53222be07,xb200=144M')
self.osmosdr_source_0.set_sample_rate(samp_rate * samp_rate_factor)
self.osmosdr_source_0.set_center_freq(145.95e6, 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(rgain, 0)
self.osmosdr_source_0.set_if_gain(0, 0)
self.osmosdr_source_0.set_bb_gain(0, 0)
self.osmosdr_source_0.set_antenna('', 0)
self.osmosdr_source_0.set_bandwidth(0, 0)
self._freq_offset_flag_range = Range(0, 1, 1, 0, 200)
self._freq_offset_flag_win = RangeWidget(self._freq_offset_flag_range,
self.set_freq_offset_flag,
'Enable flatsat freq',
"counter_slider", float)
self.top_layout.addWidget(self._freq_offset_flag_win)
self.fir_filter_xxx_0 = filter.fir_filter_ccc(samp_rate_factor, (1, ))
self.fir_filter_xxx_0.declare_sample_delay(0)
self.digital_mpsk_receiver_cc_0_0 = digital.mpsk_receiver_cc(
2, 0, cmath.pi / 100.0, -0.05, 0.05, 0.25, 0.05, 4, 4, 0.005)
self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(
variable_constellation_0)
self.ccsds_softbits_msg_to_bytes_b_0 = ccsds.softbits_msg_to_bytes_b()
self.ccsds_randomiser_softbits_0 = ccsds.randomiser_softbits(
0x95, 0xFF)
self.ccsds_mpsk_ambiguity_resolver_f_0 = ccsds.mpsk_ambiguity_resolver_f(
2, '49E0DCC7', 32, 1, 0.8, block_len_enc, 0)
self.ccsds_message_info_0 = ccsds.message_info(10)
self.ccsds_ldpc_decoder_0 = ccsds.ldpc_decoder(
'/tmp/AR4JA_r12_k1024n.a', ccsds.LDPC_SYS_FRONT,
ccsds.LDPC_PUNCT_BACK, 512, tuple(([])))
self.ccsds_blob_msg_sink_b_0 = ccsds.blob_msg_sink_b(256 / 2)
self.blocks_udp_sink_0_1 = blocks.udp_sink(gr.sizeof_char * 1,
'127.0.0.1', 5431, 256,
True)
self.blocks_udp_sink_0_0 = blocks.udp_sink(gr.sizeof_char * 1,
'127.0.0.1', 5433, 1472,
True)
self.blocks_udp_sink_0 = blocks.udp_sink(gr.sizeof_gr_complex * 1,
'127.0.0.1', 5435, 1472, True)
self.blocks_null_sink_1 = blocks.null_sink(gr.sizeof_char * 1)
self.blocks_multiply_xx_0_0 = blocks.multiply_vcc(1)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_char_to_float_0 = blocks.char_to_float(1, 0.5)
self.blocks_add_const_vxx_0 = blocks.add_const_vff((-1, ))
self.band_pass_filter_0 = filter.fir_filter_ccc(
1,
firdes.complex_band_pass(1, samp_rate * samp_rate_factor, 40e3,
60e3, 6e3, firdes.WIN_HAMMING, 6.76))
self.analog_sig_source_x_0_0 = analog.sig_source_c(
samp_rate * samp_rate_factor, analog.GR_COS_WAVE, -freq_offset, 1,
0)
self.analog_sig_source_x_0 = analog.sig_source_c(
samp_rate, analog.GR_COS_WAVE, -50000, 1, 0)
self.analog_agc_xx_0 = analog.agc_cc(1e-4, 0.5, 1.0)
self.analog_agc_xx_0.set_max_gain(65536)
##################################################
# Connections
##################################################
self.msg_connect((self.ccsds_blob_msg_sink_b_0, 'out'),
(self.ccsds_message_info_0, 'in'))
self.msg_connect((self.ccsds_ldpc_decoder_0, 'out'),
(self.ccsds_softbits_msg_to_bytes_b_0, 'in'))
self.msg_connect((self.ccsds_mpsk_ambiguity_resolver_f_0, 'out'),
(self.ccsds_randomiser_softbits_0, 'in'))
self.msg_connect((self.ccsds_randomiser_softbits_0, 'out'),
(self.ccsds_ldpc_decoder_0, 'in'))
self.connect((self.analog_agc_xx_0, 0),
(self.rational_resampler_xxx_1, 0))
self.connect((self.analog_sig_source_x_0, 0),
(self.blocks_multiply_xx_0, 0))
self.connect((self.analog_sig_source_x_0_0, 0),
(self.blocks_multiply_xx_0_0, 0))
self.connect((self.band_pass_filter_0, 0), (self.fir_filter_xxx_0, 0))
self.connect((self.blocks_add_const_vxx_0, 0),
(self.ccsds_mpsk_ambiguity_resolver_f_0, 0))
self.connect((self.blocks_char_to_float_0, 0),
(self.blocks_add_const_vxx_0, 0))
self.connect((self.blocks_multiply_xx_0, 0), (self.analog_agc_xx_0, 0))
self.connect((self.blocks_multiply_xx_0, 0),
(self.qtgui_sink_x_0_0_1, 0))
self.connect((self.blocks_multiply_xx_0_0, 0),
(self.band_pass_filter_0, 0))
self.connect((self.ccsds_softbits_msg_to_bytes_b_0, 0),
(self.blocks_null_sink_1, 0))
self.connect((self.ccsds_softbits_msg_to_bytes_b_0, 0),
(self.blocks_udp_sink_0_1, 0))
self.connect((self.ccsds_softbits_msg_to_bytes_b_0, 0),
(self.ccsds_blob_msg_sink_b_0, 0))
self.connect((self.digital_constellation_decoder_cb_0, 0),
(self.blocks_char_to_float_0, 0))
self.connect((self.digital_constellation_decoder_cb_0, 0),
(self.blocks_udp_sink_0_0, 0))
self.connect((self.digital_mpsk_receiver_cc_0_0, 0),
(self.digital_constellation_decoder_cb_0, 0))
self.connect((self.digital_mpsk_receiver_cc_0_0, 0),
(self.qtgui_sink_x_1, 0))
self.connect((self.fir_filter_xxx_0, 0),
(self.blocks_multiply_xx_0, 1))
self.connect((self.osmosdr_source_0, 0),
(self.blocks_multiply_xx_0_0, 1))
self.connect((self.osmosdr_source_0, 0), (self.blocks_udp_sink_0, 0))
self.connect((self.osmosdr_source_0, 0), (self.qtgui_sink_x_0_0, 0))
self.connect((self.rational_resampler_xxx_1, 0),
(self.digital_mpsk_receiver_cc_0_0, 0))
def __init__(self):
grc_wxgui.top_block_gui.__init__(
self, title="Stereo FM receiver and RDS Decoder")
_icon_path = "/usr/share/icons/hicolor/24x24/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 1000000
self.bb_decim = bb_decim = 4
self.freq_offset = freq_offset = 250000
self.freq = freq = 97e6
self.baseband_rate = baseband_rate = samp_rate / bb_decim
self.audio_decim = audio_decim = 5
self.xlate_bandwidth = xlate_bandwidth = 100000
self.volume = volume = 0
self.gain = gain = 20
self.freq_tune = freq_tune = freq - freq_offset
self.audio_rate = audio_rate = 48000
self.audio_decim_rate = audio_decim_rate = baseband_rate / audio_decim
##################################################
# Blocks
##################################################
_volume_sizer = wx.BoxSizer(wx.VERTICAL)
self._volume_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_volume_sizer,
value=self.volume,
callback=self.set_volume,
label='Volume',
converter=forms.float_converter(),
proportion=0,
)
self._volume_slider = forms.slider(
parent=self.GetWin(),
sizer=_volume_sizer,
value=self.volume,
callback=self.set_volume,
minimum=-20,
maximum=10,
num_steps=300,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_volume_sizer, 0, 1, 1, 1)
self.nb = self.nb = wx.Notebook(self.GetWin(), style=wx.NB_TOP)
self.nb.AddPage(grc_wxgui.Panel(self.nb), "BB")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "Demod")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "L+R")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "Pilot")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "DSBSC")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "RDS")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "L-R")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "RDS constellation")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "Waterfall")
self.GridAdd(self.nb, 2, 0, 1, 2)
_gain_sizer = wx.BoxSizer(wx.VERTICAL)
self._gain_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_gain_sizer,
value=self.gain,
callback=self.set_gain,
label='RF Gain',
converter=forms.float_converter(),
proportion=0,
)
self._gain_slider = forms.slider(
parent=self.GetWin(),
sizer=_gain_sizer,
value=self.gain,
callback=self.set_gain,
minimum=0,
maximum=49.6,
num_steps=124,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_gain_sizer, 0, 0, 1, 1)
_freq_sizer = wx.BoxSizer(wx.VERTICAL)
self._freq_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_freq_sizer,
value=self.freq,
callback=self.set_freq,
label='Freq',
converter=forms.float_converter(),
proportion=0,
)
self._freq_slider = forms.slider(
parent=self.GetWin(),
sizer=_freq_sizer,
value=self.freq,
callback=self.set_freq,
minimum=88.1e6,
maximum=107.9e6,
num_steps=99,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_freq_sizer, 1, 0, 1, 2)
self.wxgui_waterfallsink2_0 = waterfallsink2.waterfall_sink_f(
self.nb.GetPage(8).GetWin(),
baseband_freq=0,
dynamic_range=100,
ref_level=0,
ref_scale=2.0,
sample_rate=baseband_rate,
fft_size=512,
fft_rate=15,
average=False,
avg_alpha=None,
title='Waterfall Plot',
)
self.nb.GetPage(8).Add(self.wxgui_waterfallsink2_0.win)
self.wxgui_scopesink2_1 = scopesink2.scope_sink_c(
self.nb.GetPage(7).GetWin(),
title='Scope Plot',
sample_rate=2375,
v_scale=0.4,
v_offset=0,
t_scale=0,
ac_couple=False,
xy_mode=True,
num_inputs=1,
trig_mode=wxgui.TRIG_MODE_AUTO,
y_axis_label='Counts',
)
self.nb.GetPage(7).Add(self.wxgui_scopesink2_1.win)
self.wxgui_scopesink2_0 = scopesink2.scope_sink_f(
self.nb.GetPage(3).GetWin(),
title='Pilot',
sample_rate=baseband_rate,
v_scale=0,
v_offset=0,
t_scale=0,
ac_couple=False,
xy_mode=False,
num_inputs=1,
trig_mode=wxgui.TRIG_MODE_AUTO,
y_axis_label='Counts',
)
self.nb.GetPage(3).Add(self.wxgui_scopesink2_0.win)
self.wxgui_fftsink2_0_0_0_1_0_1 = fftsink2.fft_sink_c(
self.nb.GetPage(5).GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=audio_rate,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title='RDS',
peak_hold=False,
)
self.nb.GetPage(5).Add(self.wxgui_fftsink2_0_0_0_1_0_1.win)
self.wxgui_fftsink2_0_0_0_1_0_0 = fftsink2.fft_sink_f(
self.nb.GetPage(6).GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=-50,
ref_scale=2.0,
sample_rate=baseband_rate,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title='L-R',
peak_hold=False,
)
self.nb.GetPage(6).Add(self.wxgui_fftsink2_0_0_0_1_0_0.win)
self.wxgui_fftsink2_0_0_0_1 = fftsink2.fft_sink_f(
self.nb.GetPage(4).GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=baseband_rate,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title='DSBSC Sub-carrier',
peak_hold=False,
)
self.nb.GetPage(4).Add(self.wxgui_fftsink2_0_0_0_1.win)
self.wxgui_fftsink2_0_0_0 = fftsink2.fft_sink_f(
self.nb.GetPage(2).GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=audio_decim_rate,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title='L+R',
peak_hold=False,
)
self.nb.GetPage(2).Add(self.wxgui_fftsink2_0_0_0.win)
self.wxgui_fftsink2_0_0 = fftsink2.fft_sink_f(
self.nb.GetPage(1).GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=baseband_rate,
fft_size=1024,
fft_rate=15,
average=True,
avg_alpha=0.8,
title='FM Demod',
peak_hold=False,
)
self.nb.GetPage(1).Add(self.wxgui_fftsink2_0_0.win)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.nb.GetPage(0).GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=-30,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=1024,
fft_rate=15,
average=True,
avg_alpha=0.8,
title='Baseband',
peak_hold=False,
)
self.nb.GetPage(0).Add(self.wxgui_fftsink2_0.win)
self.root_raised_cosine_filter_0 = filter.fir_filter_ccf(
1,
firdes.root_raised_cosine(1, samp_rate / bb_decim / audio_decim,
2375, 1, 100))
self.rational_resampler_xxx_0_0 = filter.rational_resampler_fff(
interpolation=audio_rate,
decimation=audio_decim_rate,
taps=None,
fractional_bw=None,
)
self.rational_resampler_xxx_0 = filter.rational_resampler_fff(
interpolation=audio_rate,
decimation=audio_decim_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(freq_tune, 0)
self.osmosdr_source_0.set_freq_corr(0, 0)
self.osmosdr_source_0.set_dc_offset_mode(0, 0)
self.osmosdr_source_0.set_iq_balance_mode(0, 0)
self.osmosdr_source_0.set_gain_mode(False, 0)
self.osmosdr_source_0.set_gain(gain, 0)
self.osmosdr_source_0.set_if_gain(20, 0)
self.osmosdr_source_0.set_bb_gain(20, 0)
self.osmosdr_source_0.set_antenna('', 0)
self.osmosdr_source_0.set_bandwidth(0, 0)
self.gr_rds_parser_0 = rds.parser(True, False, 0)
self.gr_rds_panel_0 = rds.rdsPanel(freq, self.GetWin())
self.Add(self.gr_rds_panel_0.panel)
self.gr_rds_decoder_0 = rds.decoder(False, False)
self.freq_xlating_fir_filter_xxx_1 = filter.freq_xlating_fir_filter_fcc(
audio_decim, (firdes.low_pass(2500.0, baseband_rate, 2.4e3, 2e3,
firdes.WIN_HAMMING)), 57e3,
baseband_rate)
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(
1, (firdes.low_pass(1, samp_rate, xlate_bandwidth, 100000)),
freq_offset, samp_rate)
self.fir_filter_xxx_5 = filter.fir_filter_fff(
audio_decim, (firdes.low_pass(1.0, baseband_rate, 20e3, 40e3,
firdes.WIN_HAMMING)))
self.fir_filter_xxx_5.declare_sample_delay(0)
self.fir_filter_xxx_3 = filter.fir_filter_fff(
1, (firdes.band_pass(1.0, baseband_rate, 38e3 - 13e3, 38e3 + 13e3,
3e3, firdes.WIN_HAMMING)))
self.fir_filter_xxx_3.declare_sample_delay(0)
self.fir_filter_xxx_2 = filter.fir_filter_fcc(
1, (firdes.complex_band_pass(1.0, baseband_rate, 19e3 - 500,
19e3 + 500, 1e3, firdes.WIN_HAMMING)))
self.fir_filter_xxx_2.declare_sample_delay(0)
self.fir_filter_xxx_1 = filter.fir_filter_fff(
audio_decim, (firdes.low_pass(1.0, baseband_rate, 13e3, 3e3,
firdes.WIN_HAMMING)))
self.fir_filter_xxx_1.declare_sample_delay(0)
self.digital_mpsk_receiver_cc_0 = digital.mpsk_receiver_cc(
2, 0, 1 * cmath.pi / 100.0, -0.06, 0.06, 0.5, 0.05,
samp_rate / bb_decim / audio_decim / 2375.0, 0.001, 0.005)
self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(2)
self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
self.blocks_sub_xx_0 = blocks.sub_ff(1)
self.blocks_multiply_xx_1 = blocks.multiply_vcc(1)
self.blocks_multiply_xx_0 = blocks.multiply_vff(1)
self.blocks_multiply_const_vxx_0_0 = blocks.multiply_const_vff(
(10**(1. * (volume + 15) / 10), ))
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff(
(10**(1. * (volume + 15) / 10), ))
self.blocks_keep_one_in_n_0 = blocks.keep_one_in_n(
gr.sizeof_char * 1, 2)
self.blocks_complex_to_real_0 = blocks.complex_to_real(1)
self.blocks_complex_to_imag_0 = blocks.complex_to_imag(1)
self.blocks_add_xx_0 = blocks.add_vff(1)
self.audio_sink_0 = audio.sink(audio_rate, '', True)
self.analog_wfm_rcv_0 = analog.wfm_rcv(
quad_rate=samp_rate,
audio_decimation=bb_decim,
)
self.analog_pll_refout_cc_0 = analog.pll_refout_cc(
0.001, 2 * math.pi * (19000 + 200) / baseband_rate,
2 * math.pi * (19000 - 200) / baseband_rate)
self.analog_fm_deemph_0_0_0 = analog.fm_deemph(fs=audio_decim_rate,
tau=75e-6)
self.analog_fm_deemph_0_0 = analog.fm_deemph(fs=audio_decim_rate,
tau=75e-6)
##################################################
# Connections
##################################################
self.msg_connect((self.gr_rds_decoder_0, 'out'),
(self.gr_rds_parser_0, 'in'))
self.msg_connect((self.gr_rds_parser_0, 'out'),
(self.gr_rds_panel_0, 'in'))
self.connect((self.analog_fm_deemph_0_0, 0),
(self.blocks_multiply_const_vxx_0_0, 0))
self.connect((self.analog_fm_deemph_0_0_0, 0),
(self.blocks_multiply_const_vxx_0, 0))
self.connect((self.analog_pll_refout_cc_0, 0),
(self.blocks_multiply_xx_1, 0))
self.connect((self.analog_pll_refout_cc_0, 0),
(self.blocks_multiply_xx_1, 1))
self.connect((self.analog_wfm_rcv_0, 0), (self.fir_filter_xxx_1, 0))
self.connect((self.analog_wfm_rcv_0, 0), (self.fir_filter_xxx_2, 0))
self.connect((self.analog_wfm_rcv_0, 0), (self.fir_filter_xxx_3, 0))
self.connect((self.analog_wfm_rcv_0, 0),
(self.freq_xlating_fir_filter_xxx_1, 0))
self.connect((self.analog_wfm_rcv_0, 0), (self.wxgui_fftsink2_0_0, 0))
self.connect((self.analog_wfm_rcv_0, 0),
(self.wxgui_waterfallsink2_0, 0))
self.connect((self.blocks_add_xx_0, 0),
(self.analog_fm_deemph_0_0_0, 0))
self.connect((self.blocks_complex_to_imag_0, 0),
(self.blocks_multiply_xx_0, 1))
self.connect((self.blocks_complex_to_imag_0, 0),
(self.wxgui_scopesink2_0, 0))
self.connect((self.blocks_complex_to_real_0, 0),
(self.digital_binary_slicer_fb_0, 0))
self.connect((self.blocks_keep_one_in_n_0, 0),
(self.digital_diff_decoder_bb_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.rational_resampler_xxx_0, 0))
self.connect((self.blocks_multiply_const_vxx_0_0, 0),
(self.rational_resampler_xxx_0_0, 0))
self.connect((self.blocks_multiply_xx_0, 0),
(self.fir_filter_xxx_5, 0))
self.connect((self.blocks_multiply_xx_0, 0),
(self.wxgui_fftsink2_0_0_0_1_0_0, 0))
self.connect((self.blocks_multiply_xx_1, 0),
(self.blocks_complex_to_imag_0, 0))
self.connect((self.blocks_sub_xx_0, 0), (self.analog_fm_deemph_0_0, 0))
self.connect((self.digital_binary_slicer_fb_0, 0),
(self.blocks_keep_one_in_n_0, 0))
self.connect((self.digital_diff_decoder_bb_0, 0),
(self.gr_rds_decoder_0, 0))
self.connect((self.digital_mpsk_receiver_cc_0, 0),
(self.blocks_complex_to_real_0, 0))
self.connect((self.digital_mpsk_receiver_cc_0, 0),
(self.wxgui_scopesink2_1, 0))
self.connect((self.fir_filter_xxx_1, 0), (self.blocks_add_xx_0, 0))
self.connect((self.fir_filter_xxx_1, 0), (self.blocks_sub_xx_0, 0))
self.connect((self.fir_filter_xxx_1, 0),
(self.wxgui_fftsink2_0_0_0, 0))
self.connect((self.fir_filter_xxx_2, 0),
(self.analog_pll_refout_cc_0, 0))
self.connect((self.fir_filter_xxx_3, 0),
(self.blocks_multiply_xx_0, 0))
self.connect((self.fir_filter_xxx_3, 0),
(self.wxgui_fftsink2_0_0_0_1, 0))
self.connect((self.fir_filter_xxx_5, 0), (self.blocks_add_xx_0, 1))
self.connect((self.fir_filter_xxx_5, 0), (self.blocks_sub_xx_0, 1))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0),
(self.analog_wfm_rcv_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_1, 0),
(self.root_raised_cosine_filter_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_1, 0),
(self.wxgui_fftsink2_0_0_0_1_0_1, 0))
self.connect((self.osmosdr_source_0, 0),
(self.freq_xlating_fir_filter_xxx_0, 0))
self.connect((self.rational_resampler_xxx_0, 0),
(self.audio_sink_0, 0))
self.connect((self.rational_resampler_xxx_0_0, 0),
(self.audio_sink_0, 1))
self.connect((self.root_raised_cosine_filter_0, 0),
(self.digital_mpsk_receiver_cc_0, 0))
def __init__(self, options, args):
gr.top_block.__init__(self, "RDS Tropo Detector")
pubsub.__init__(self)
# Retrieve the selected options
self.options = options
self._verbose = options.verbose
# Variables
self.freq = 99.5e6
self.samp_rate = 1000000 # TODO FIX : sampling rate
self.bb_decim = 4
self.freq_offset = baseband_rate = self.samp_rate/self.bb_decim
self.audio_decim = 5
self.xlate_bandwidth = 100000
self.gain = 20
self.freq_tune = self.freq - self.freq_offset
# Initialize the device using OsmoSDR library
self.src = osmosdr.source(options.args)
try:
self.src.get_sample_rates().start()
except RuntimeError:
print "Source has no sample rates (wrong device arguments?)."
sys.exit(1)
# Set the antenna
if(options.antenna):
self.src.set_antenna(options.antenna)
# Apply the selected settings
self.src.set_sample_rate(options.samp_rate)
#self.src.set_sample_rate(self.samp_rate)
self.src.set_center_freq(self.freq_tune, 0)
self.src.set_freq_corr(0, 0)
self.src.set_dc_offset_mode(0, 0)
self.src.set_iq_balance_mode(0, 0)
self.src.set_gain_mode(False, 0)
self.src.set_gain(self.gain, 0)
self.src.set_if_gain(20, 0)
self.src.set_bb_gain(20, 0)
self.src.set_antenna("", 0)
self.src.set_bandwidth(0, 0)
# Blocks
self.fir_in = filter.freq_xlating_fir_filter_ccc(1,
(firdes.low_pass(1, self.samp_rate, self.xlate_bandwidth, 100000)), self.freq_offset, self.samp_rate)
self.fm_demod = analog.wfm_rcv(
quad_rate=self.samp_rate,
audio_decimation=self.bb_decim,
)
self.fir_bb = filter.freq_xlating_fir_filter_fcf(
self.audio_decim, (firdes.low_pass(2500.0,baseband_rate,2.4e3,2e3,firdes.WIN_HAMMING)),
57e3, baseband_rate)
self.rrc = filter.fir_filter_ccf(1, firdes.root_raised_cosine(
1, self.samp_rate/self.bb_decim/self.audio_decim, 2375, 1, 100))
self.mpsk_demod = digital.mpsk_receiver_cc(2, 0, 1*cmath.pi/100.0,
-0.06, 0.06, 0.5, 0.05, self.samp_rate/self.bb_decim/self.audio_decim/ 2375.0, 0.001, 0.005)
self.complex_to_real = blocks.complex_to_real(1)
self.slicer = digital.binary_slicer_fb()
self.skip = blocks.keep_one_in_n(1, 2)
self.diff = digital.diff_decoder_bb(2)
self.rds_decoder = rds.decoder(False, False)
self.rds_parser = rds.parser(False, False, 1)
self.rds_pi_extract = rds_pi()
# Connections
self.connect((self.src, 0), (self.fir_in, 0))
self.connect((self.fir_in, 0), (self.fm_demod, 0))
self.connect((self.fm_demod, 0), (self.fir_bb, 0))
self.connect((self.fir_bb, 0), (self.rrc, 0))
self.connect((self.rrc, 0), (self.mpsk_demod, 0))
self.connect((self.mpsk_demod, 0), (self.complex_to_real, 0))
self.connect((self.complex_to_real, 0), (self.slicer, 0))
self.connect((self.slicer, 0), (self.skip, 0))
self.connect((self.skip, 0), (self.diff, 0))
self.connect((self.diff, 0), (self.rds_decoder, 0))
self.msg_connect((self.rds_decoder, 'out'), (self.rds_parser, 'in'))
self.msg_connect((self.rds_parser, 'out'), (self.rds_pi_extract, 'in'))
def __init__(self):
gr.top_block.__init__(self, "Tetra Rx Multi")
options = self.get_options()
self.src = blocks.file_source(gr.sizeof_gr_complex*1, "/tmp/myout1.ch", False)
##################################################
# Variables
##################################################
self.srate_rx = srate_rx = options.sample_rate
self.channels = srate_rx / 25000
self.srate_channel = 36000
self.afc_period = 15
self.afc_gain = 0.01
self.afc_channel = options.auto_tune or -1
self.afc_ppm_step = 100
self.debug = options.debug
self.last_pwr = -100000
self.sig_det_period = 10
self.sig_det_bw = sig_det_bw = options.sig_detection_bw or srate_rx
if self.sig_det_bw <= 1.:
self.sig_det_bw *= srate_rx
self.sig_det_threshold = options.sig_detection_threshold
self.sig_det_channels = []
for ch in range(self.channels):
if ch >= self.channels / 2:
ch_ = (self.channels - ch - 1)
else:
ch_ = ch
if (float(ch_) / self.channels * 2) <= (self.sig_det_bw / srate_rx):
self.sig_det_channels.append(ch)
self.channels = 10
##################################################
# RPC server
##################################################
self.xmlrpc_server = SimpleXMLRPCServer.SimpleXMLRPCServer(
("localhost", options.listen_port), allow_none=True)
self.xmlrpc_server.register_instance(self)
threading.Thread(target=self.xmlrpc_server.serve_forever).start()
##################################################
# Rx Blocks and connections
##################################################
out_type, dst_path = options.output.split("://", 1)
if out_type == "udp":
dst_ip, dst_port = dst_path.split(':', 1)
self.blocks_deinterleave_0 = blocks.deinterleave(gr.sizeof_gr_complex*1, 1)
self.squelch = []
self.digital_mpsk_receiver_cc = []
self.diff_phasor = []
self.complex_to_arg = []
self.multiply_const = []
self.add_const = []
self.float_to_uchar = []
self.map_bits = []
self.unpack_k_bits = []
self.blocks_sink = []
for ch in range(0, self.channels):
mpsk = digital.mpsk_receiver_cc(
4, math.pi/4, math.pi/100.0, -0.5, 0.5, 0.25, 0.001, 2, 0.001, 0.001)
diff_phasor = digital.diff_phasor_cc()
complex_to_arg = blocks.complex_to_arg(1)
multiply_const = blocks.multiply_const_vff((2./math.pi, ))
add_const = blocks.add_const_vff((1.5, ))
float_to_uchar = blocks.float_to_uchar()
map_bits = digital.map_bb(([3, 2, 0, 1, 3]))
unpack_k_bits = blocks.unpack_k_bits_bb(2)
brmchannels = [0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71]
#brmchannels = [11,4,3,64,45,47,53,8,68,6,56,49,17,54,65,5,71,22,48,7,50] # itds kancl
#brmchannels = [23,13,40,69,59,7,42,54,5,14,4,56,45,46,67,55,66,44,71,49,31,57,0,65,70] # doma - dole
#brmchannels = [23,13,59,40,69,7,49,60,42,70,4,50,66,67,3,14,57,33,46,22,68,32,39,24,6,12,43,58,48,17,5,56,65,29,54,30,16,52,53,41,47,2,34,44,8] # doma - strecha
#brmchannels = [67, 7, 23, 70] # doma - strecha - SDS
#brmchannels = [67, 7, 23, 70,9,71,64,63,62,61,55,51,45,38,37,36,35,31,28,27,26,25,21,20,19,18,15,11,10,1,0] # doma - strecha - komplement
if out_type == 'udp':
sink = blocks.udp_sink(gr.sizeof_gr_char, dst_ip, int(dst_port)+ch, 1472, True)
elif out_type == 'file':
sink = blocks.file_sink(gr.sizeof_char, dst_path % ch, False)
sink.set_unbuffered(True)
else:
raise ValueError("Invalid output URL '%s'" % options.output)
print "connect %i"%ch
if ch in brmchannels:
self.connect((self.blocks_deinterleave_0, ch),
#(squelch, 0),
(mpsk, 0),
(diff_phasor, 0),
(complex_to_arg, 0),
(multiply_const, 0),
(add_const, 0),
(float_to_uchar, 0),
(map_bits, 0),
(unpack_k_bits, 0),
(sink, 0))
self.digital_mpsk_receiver_cc.append(mpsk)
self.diff_phasor.append(diff_phasor)
self.complex_to_arg.append(complex_to_arg)
self.multiply_const.append(multiply_const)
self.add_const.append(add_const)
self.float_to_uchar.append(float_to_uchar)
self.map_bits.append(map_bits)
self.unpack_k_bits.append(unpack_k_bits)
self.blocks_sink.append(sink)
self.connect(
(self.src, 0),
(self.blocks_deinterleave_0, 0))
##################################################
# signal strenght identification
##################################################
'''
self.pwr_probes = []
for ch in range(self.channels):
pwr_probe = analog.probe_avg_mag_sqrd_c(0, 1./self.srate_channel)
self.pwr_probes.append(pwr_probe)
print "connect %i"%ch
self.connect((self.blocks_deinterleave_0, ch), (pwr_probe, 0))
def _sig_det_probe():
while True:
pwr = [self.pwr_probes[ch].level()
for ch in range(self.channels)
if ch in self.sig_det_channels]
pwr = [10 * math.log10(p) for p in pwr if p > 0.]
if not pwr:
continue
pwr = min(pwr) + self.sig_det_threshold
print "power threshold target %f"%pwr
if abs(pwr - self.last_pwr) > (self.sig_det_threshold / 2):
for s in []:
s.set_threshold(pwr)
self.last_pwr = pwr
time.sleep(self.sig_det_period)
if self.sig_det_threshold is not None:
self._sig_det_probe_thread = threading.Thread(target=_sig_det_probe)
self._sig_det_probe_thread.daemon = True
self._sig_det_probe_thread.start()
'''
##################################################
# AFC blocks and connections
##################################################
self.afc_selector = grc_blks2.selector(
item_size=gr.sizeof_gr_complex,
num_inputs=self.channels,
num_outputs=1,
input_index=0,
output_index=0,
)
self.afc_demod = analog.quadrature_demod_cf(self.srate_channel/(2*math.pi))
samp_afc = self.srate_channel*self.afc_period / 2
self.afc_avg = blocks.moving_average_ff(samp_afc, 1./samp_afc*self.afc_gain)
self.afc_probe = blocks.probe_signal_f()
def _afc_probe():
rt = 0.0
while True:
time.sleep(self.afc_period)
if self.afc_channel == -1:
continue
err = self.afc_probe.level()
freq = err * self.afc_gain
print "err: %f\tfreq: %f\trt %f" % (err, freq, rt)
changed = False
if err < -1:
rt += 0.1
changed = True
elif err > 1:
rt -= 0.1
changed = True
if changed:
os.system("echo \"setrot %f\" | nc localhost 3333"%rt)
self.afc_channel = 0
self._afc_err_thread = threading.Thread(target=_afc_probe)
self._afc_err_thread.daemon = True
self._afc_err_thread.start()
for ch in range(self.channels):
print "connect %i"%ch
self.connect((self.blocks_deinterleave_0, ch), (self.afc_selector, ch))
self.connect(
(self.afc_selector, 0),
(self.afc_demod, 0),
(self.afc_avg, 0),
(self.afc_probe, 0))
if self.afc_channel != -1:
self.afc_selector.set_input_index(self.afc_channel)
def __init__(self,
samples_per_symbol=_def_samples_per_symbol,
excess_bw=_def_excess_bw,
costas_alpha=_def_costas_alpha,
gain_mu=_def_gain_mu,
mu=_def_mu,
omega_relative_limit=_def_omega_relative_limit,
gray_code=_def_gray_code,
verbose=_def_verbose,
log=_def_log):
"""
Hierarchical block for RRC-filtered CQPSK demodulation
The input is the complex modulated signal at baseband.
The output is a stream of floats in [ -3 / -1 / +1 / +3 ]
@param samples_per_symbol: samples per symbol >= 2
@type samples_per_symbol: float
@param excess_bw: Root-raised cosine filter excess bandwidth
@type excess_bw: float
@param costas_alpha: loop filter gain
@type costas_alphas: float
@param gain_mu: for M&M block
@type gain_mu: float
@param mu: for M&M block
@type mu: float
@param omega_relative_limit: for M&M block
@type omega_relative_limit: float
@param gray_code: Tell modulator to Gray code the bits
@type gray_code: bool
@param verbose: Print information about modulator?
@type verbose: bool
@param debug: Print modualtion data to files?
@type debug: bool
"""
gr.hier_block2.__init__(self, "cqpsk_demod",
gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature
gr.io_signature(1, 1, gr.sizeof_float)) # Output signature
self._samples_per_symbol = samples_per_symbol
self._excess_bw = excess_bw
self._costas_alpha = costas_alpha
self._mm_gain_mu = gain_mu
self._mm_mu = mu
self._mm_omega_relative_limit = omega_relative_limit
self._gray_code = gray_code
if samples_per_symbol < 2:
raise TypeError, "sbp must be >= 2, is %d" % samples_per_symbol
arity = pow(2,self.bits_per_symbol())
# Automatic gain control
scale = (1.0/16384.0)
self.pre_scaler = blocks.multiply_const_cc(scale) # scale the signal from full-range to +-1
#self.agc = gr.agc2_cc(0.6e-1, 1e-3, 1, 1, 100)
self.agc = analog.feedforward_agc_cc(16, 2.0)
# RRC data filter
ntaps = 11 * samples_per_symbol
self.rrc_taps = firdes.root_raised_cosine(
1.0, # gain
self._samples_per_symbol, # sampling rate
1.0, # symbol rate
self._excess_bw, # excess bandwidth (roll-off factor)
ntaps)
self.rrc_filter=filter.interp_fir_filter_ccf(1, self.rrc_taps)
if not self._mm_gain_mu:
sbs_to_mm = {2: 0.050, 3: 0.075, 4: 0.11, 5: 0.125, 6: 0.15, 7: 0.15}
self._mm_gain_mu = sbs_to_mm[samples_per_symbol]
self._mm_omega = self._samples_per_symbol
self._mm_gain_omega = .25 * self._mm_gain_mu * self._mm_gain_mu
self._costas_beta = 0.25 * self._costas_alpha * self._costas_alpha
fmin = -0.025
fmax = 0.025
if not _def_has_gr_digital:
self.receiver=gr.mpsk_receiver_cc(arity, pi/4.0,
self._costas_alpha, self._costas_beta,
fmin, fmax,
self._mm_mu, self._mm_gain_mu,
self._mm_omega, self._mm_gain_omega,
self._mm_omega_relative_limit)
else:
self.receiver=digital.mpsk_receiver_cc(arity, pi/4.0,
2*pi/150,
fmin, fmax,
self._mm_mu, self._mm_gain_mu,
self._mm_omega, self._mm_gain_omega,
self._mm_omega_relative_limit)
#self.receiver.set_alpha(self._costas_alpha)
#self.receiver.set_beta(self._costas_beta)
# 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) )
if verbose:
self._print_verbage()
if log:
self._setup_logging()
# Connect & Initialize base class
self.connect(self, self.pre_scaler, self.agc, self.rrc_filter, self.receiver,
self.diffdec, self.to_float, self.rescale, self)
def __init__(self):
gr.top_block.__init__(self, "Tetra Rx Multi")
options = self.get_options()
##################################################
# Variables
##################################################
self.srate_rx = srate_rx = options.sample_rate
self.channels = srate_rx / 25000
self.srate_channel = 36000
self.afc_period = 5
self.afc_gain = 1.
self.afc_channel = options.auto_tune or -1
self.afc_ppm_step = 100
self.debug = options.debug
self.last_pwr = -100000
self.sig_det_period = 1
self.sig_det_bw = sig_det_bw = options.sig_detection_bw or srate_rx
if self.sig_det_bw <= 1.:
self.sig_det_bw *= srate_rx
self.sig_det_threshold = options.sig_detection_threshold
self.sig_det_channels = []
for ch in range(self.channels):
if ch >= self.channels / 2:
ch_ = (self.channels - ch - 1)
else:
ch_ = ch
if (float(ch_) / self.channels * 2) <= (self.sig_det_bw /
srate_rx):
self.sig_det_channels.append(ch)
##################################################
# RPC server
##################################################
self.xmlrpc_server = SimpleXMLRPCServer.SimpleXMLRPCServer(
("localhost", options.listen_port), allow_none=True)
self.xmlrpc_server.register_instance(self)
threading.Thread(target=self.xmlrpc_server.serve_forever).start()
##################################################
# Rx Blocks and connections
##################################################
self.src = osmosdr.source(args=options.args)
self.src.set_sample_rate(srate_rx)
self.src.set_center_freq(options.frequency, 0)
self.src.set_freq_corr(options.ppm, 0)
self.src.set_dc_offset_mode(0, 0)
self.src.set_iq_balance_mode(0, 0)
if options.gain is not None:
self.src.set_gain_mode(False, 0)
self.src.set_gain(36, 0)
else:
self.src.set_gain_mode(True, 0)
out_type, dst_path = options.output.split("://", 1)
if out_type == "udp":
dst_ip, dst_port = dst_path.split(':', 1)
self.freq_xlating = freq_xlating_fft_filter_ccc(1, (1, ), 0, srate_rx)
self.channelizer = pfb.channelizer_ccf(
self.channels,
(firdes.root_raised_cosine(1, srate_rx, 18000, 0.35, 1024)),
36. / 25., 100)
self.squelch = []
self.digital_mpsk_receiver_cc = []
self.diff_phasor = []
self.complex_to_arg = []
self.multiply_const = []
self.add_const = []
self.float_to_uchar = []
self.map_bits = []
self.unpack_k_bits = []
self.blocks_sink = []
for ch in range(0, self.channels):
squelch = analog.pwr_squelch_cc(0, 0.001, 0, True)
mpsk = digital.mpsk_receiver_cc(4, math.pi / 4, math.pi / 100.0,
-0.5, 0.5, 0.25, 0.001, 2, 0.001,
0.001)
diff_phasor = digital.diff_phasor_cc()
complex_to_arg = blocks.complex_to_arg(1)
multiply_const = blocks.multiply_const_vff((2. / math.pi, ))
add_const = blocks.add_const_vff((1.5, ))
float_to_uchar = blocks.float_to_uchar()
map_bits = digital.map_bb(([3, 2, 0, 1, 3]))
unpack_k_bits = blocks.unpack_k_bits_bb(2)
if out_type == 'udp':
sink = blocks.udp_sink(gr.sizeof_gr_char, dst_ip,
int(dst_port) + ch, 1472, True)
elif out_type == 'file':
sink = blocks.file_sink(gr.sizeof_char, dst_path % ch, False)
sink.set_unbuffered(True)
else:
raise ValueError("Invalid output URL '%s'" % options.output)
self.connect((self.channelizer, ch), (squelch, 0), (mpsk, 0),
(diff_phasor, 0), (complex_to_arg, 0),
(multiply_const, 0), (add_const, 0),
(float_to_uchar, 0), (map_bits, 0),
(unpack_k_bits, 0), (sink, 0))
self.squelch.append(squelch)
self.digital_mpsk_receiver_cc.append(mpsk)
self.diff_phasor.append(diff_phasor)
self.complex_to_arg.append(complex_to_arg)
self.multiply_const.append(multiply_const)
self.add_const.append(add_const)
self.float_to_uchar.append(float_to_uchar)
self.map_bits.append(map_bits)
self.unpack_k_bits.append(unpack_k_bits)
self.blocks_sink.append(sink)
self.connect((self.src, 0), (self.freq_xlating, 0),
(self.channelizer, 0))
##################################################
# signal strenght identification
##################################################
self.pwr_probes = []
for ch in range(self.channels):
pwr_probe = analog.probe_avg_mag_sqrd_c(0, 1. / self.srate_channel)
self.pwr_probes.append(pwr_probe)
self.connect((self.channelizer, ch), (pwr_probe, 0))
def _sig_det_probe():
while True:
pwr = [
self.pwr_probes[ch].level() for ch in range(self.channels)
if ch in self.sig_det_channels
]
pwr = [10 * math.log10(p) for p in pwr if p > 0.]
if not pwr:
continue
pwr = min(pwr) + self.sig_det_threshold
print "Power level for squelch % 5.1f" % pwr
if abs(pwr - self.last_pwr) > (self.sig_det_threshold / 2):
for s in self.squelch:
s.set_threshold(pwr)
self.last_pwr = pwr
time.sleep(self.sig_det_period)
if self.sig_det_threshold is not None:
self._sig_det_probe_thread = threading.Thread(
target=_sig_det_probe)
self._sig_det_probe_thread.daemon = True
self._sig_det_probe_thread.start()
##################################################
# AFC blocks and connections
##################################################
self.afc_selector = grc_blks2.selector(
item_size=gr.sizeof_gr_complex,
num_inputs=self.channels,
num_outputs=1,
input_index=0,
output_index=0,
)
self.afc_demod = analog.quadrature_demod_cf(self.srate_channel /
(2 * math.pi))
samp_afc = self.srate_channel * self.afc_period / 2
self.afc_avg = blocks.moving_average_ff(samp_afc,
1. / samp_afc * self.afc_gain)
self.afc_probe = blocks.probe_signal_f()
def _afc_probe():
while True:
time.sleep(self.afc_period)
if self.afc_channel == -1:
continue
err = self.afc_probe.level()
if abs(err) < self.afc_ppm_step:
continue
freq = self.freq_xlating.center_freq + err * self.afc_gain
if self.debug:
print "err: %f\tfreq: %f" % (
err,
freq,
)
self.freq_xlating.set_center_freq(freq)
self._afc_err_thread = threading.Thread(target=_afc_probe)
self._afc_err_thread.daemon = True
self._afc_err_thread.start()
for ch in range(self.channels):
self.connect((self.channelizer, ch), (self.afc_selector, ch))
self.connect((self.afc_selector, 0), (self.afc_demod, 0),
(self.afc_avg, 0), (self.afc_probe, 0))
if self.afc_channel != -1:
self.afc_selector.set_input_index(self.afc_channel)
def __init__(self):
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.sr_rf = sr_rf = 2500000
self.decimate = decimate = 400
self.sr_lo = sr_lo = sr_rf / decimate
self.f_rf = f_rf = 434645000
self.f_lo = f_lo = 455.2
##################################################
# Blocks
##################################################
self.tab = Qt.QTabWidget()
self.tab_widget_0 = Qt.QWidget()
self.tab_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.tab_widget_0)
self.tab_grid_layout_0 = Qt.QGridLayout()
self.tab_layout_0.addLayout(self.tab_grid_layout_0)
self.tab.addTab(self.tab_widget_0, "Tuning")
self.tab_widget_1 = Qt.QWidget()
self.tab_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.tab_widget_1)
self.tab_grid_layout_1 = Qt.QGridLayout()
self.tab_layout_1.addLayout(self.tab_grid_layout_1)
self.tab.addTab(self.tab_widget_1, "IQ Display")
self.tab_widget_2 = Qt.QWidget()
self.tab_layout_2 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.tab_widget_2)
self.tab_grid_layout_2 = Qt.QGridLayout()
self.tab_layout_2.addLayout(self.tab_grid_layout_2)
self.tab.addTab(self.tab_widget_2, "PSK Output")
self.top_layout.addWidget(self.tab)
self._f_rf_layout = Qt.QVBoxLayout()
self._f_rf_tool_bar = Qt.QToolBar(self)
self._f_rf_layout.addWidget(self._f_rf_tool_bar)
self._f_rf_tool_bar.addWidget(Qt.QLabel("RF Freq" + ": "))
class qwt_counter_pyslot(Qwt.QwtCounter):
def __init__(self, parent=None):
Qwt.QwtCounter.__init__(self, parent)
@pyqtSlot('double')
def setValue(self, value):
super(Qwt.QwtCounter, self).setValue(value)
self._f_rf_counter = qwt_counter_pyslot()
self._f_rf_counter.setRange(434644000, 434646000, 1)
self._f_rf_counter.setNumButtons(2)
self._f_rf_counter.setValue(self.f_rf)
self._f_rf_tool_bar.addWidget(self._f_rf_counter)
self._f_rf_counter.valueChanged.connect(self.set_f_rf)
self._f_rf_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal,
Qwt.QwtSlider.BottomScale,
Qwt.QwtSlider.BgSlot)
self._f_rf_slider.setRange(434644000, 434646000, 1)
self._f_rf_slider.setValue(self.f_rf)
self._f_rf_slider.setMinimumWidth(200)
self._f_rf_slider.valueChanged.connect(self.set_f_rf)
self._f_rf_layout.addWidget(self._f_rf_slider)
self.tab_layout_0.addLayout(self._f_rf_layout)
self._f_lo_layout = Qt.QVBoxLayout()
self._f_lo_tool_bar = Qt.QToolBar(self)
self._f_lo_layout.addWidget(self._f_lo_tool_bar)
self._f_lo_tool_bar.addWidget(Qt.QLabel("LO Freq" + ": "))
class qwt_counter_pyslot(Qwt.QwtCounter):
def __init__(self, parent=None):
Qwt.QwtCounter.__init__(self, parent)
@pyqtSlot('double')
def setValue(self, value):
super(Qwt.QwtCounter, self).setValue(value)
self._f_lo_counter = qwt_counter_pyslot()
self._f_lo_counter.setRange(0, 2000, .1)
self._f_lo_counter.setNumButtons(2)
self._f_lo_counter.setValue(self.f_lo)
self._f_lo_tool_bar.addWidget(self._f_lo_counter)
self._f_lo_counter.valueChanged.connect(self.set_f_lo)
self._f_lo_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal,
Qwt.QwtSlider.BottomScale,
Qwt.QwtSlider.BgSlot)
self._f_lo_slider.setRange(0, 2000, .1)
self._f_lo_slider.setValue(self.f_lo)
self._f_lo_slider.setMinimumWidth(200)
self._f_lo_slider.valueChanged.connect(self.set_f_lo)
self._f_lo_layout.addWidget(self._f_lo_slider)
self.tab_layout_0.addLayout(self._f_lo_layout)
self.qtgui_time_sink_x_0 = qtgui.time_sink_c(
sr_lo, #size
sr_lo, #samp_rate
"", #name
1 #number of inputs
)
self.qtgui_time_sink_x_0.set_update_time(.03)
self.qtgui_time_sink_x_0.set_y_axis(-.02, .02)
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(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", "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.tab_layout_0.addWidget(self._qtgui_time_sink_x_0_win)
self.qtgui_number_sink_1 = qtgui.number_sink(gr.sizeof_float, 0,
qtgui.NUM_GRAPH_NONE, 1)
self.qtgui_number_sink_1.set_update_time(0.10)
self.qtgui_number_sink_1.set_title("")
labels = ["Signal RMS", "", "", "", "", "", "", "", "", ""]
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_1.set_min(i, -1)
self.qtgui_number_sink_1.set_max(i, 1)
self.qtgui_number_sink_1.set_color(i, colors[i][0], colors[i][1])
if len(labels[i]) == 0:
self.qtgui_number_sink_1.set_label(i, "Data {0}".format(i))
else:
self.qtgui_number_sink_1.set_label(i, labels[i])
self.qtgui_number_sink_1.set_unit(i, units[i])
self.qtgui_number_sink_1.set_factor(i, factor[i])
self.qtgui_number_sink_1.enable_autoscale(False)
self._qtgui_number_sink_1_win = sip.wrapinstance(
self.qtgui_number_sink_1.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_number_sink_1_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(0.03)
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, -1)
self.qtgui_number_sink_0.set_max(i, 1)
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.tab_layout_0.addWidget(self._qtgui_number_sink_0_win)
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(-.02, .02)
self.qtgui_const_sink_x_1.set_x_axis(-.02, .02)
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(True)
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.tab_layout_2.addWidget(self._qtgui_const_sink_x_1_win)
self.qtgui_const_sink_x_0 = qtgui.const_sink_c(
1024, #size
"", #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(-.02, .02)
self.qtgui_const_sink_x_0.set_x_axis(-.02, .02)
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(False)
self.qtgui_const_sink_x_0.enable_grid(True)
labels = ["", "", "", "", "", "", "", "", "", ""]
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "red", "red", "red", "red", "red", "red", "red",
"red"
]
styles = [1, 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.tab_layout_0.addWidget(self._qtgui_const_sink_x_0_win)
self.osmosdr_source_0 = osmosdr.source(args="numchan=" + str(1) + " " +
"airspy=0")
self.osmosdr_source_0.set_sample_rate(sr_rf)
self.osmosdr_source_0.set_center_freq(f_rf, 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(3, 0)
self.osmosdr_source_0.set_if_gain(0, 0)
self.osmosdr_source_0.set_bb_gain(0, 0)
self.osmosdr_source_0.set_antenna("", 0)
self.osmosdr_source_0.set_bandwidth(0, 0)
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(
100, (firdes.low_pass(1, sr_rf, 2000, 100)), f_lo, sr_rf)
self.digital_mpsk_receiver_cc_0 = digital.mpsk_receiver_cc(
2, 0, cmath.pi / 100.0, -0.5, 0.5, 0.25, 0.01, 2, 0.001, 0.001)
self.blocks_rms_xx_0 = blocks.rms_cf(0.0001)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff(
(sr_lo / (2 * 3.14159), ))
self.analog_pll_freqdet_cf_0 = analog.pll_freqdet_cf(.06, 0.6, -.6)
##################################################
# Connections
##################################################
self.connect((self.freq_xlating_fir_filter_xxx_0, 0),
(self.qtgui_time_sink_x_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0),
(self.qtgui_const_sink_x_0, 0))
self.connect((self.osmosdr_source_0, 0),
(self.freq_xlating_fir_filter_xxx_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0),
(self.analog_pll_freqdet_cf_0, 0))
self.connect((self.analog_pll_freqdet_cf_0, 0),
(self.blocks_multiply_const_vxx_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.qtgui_number_sink_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0),
(self.digital_mpsk_receiver_cc_0, 0))
self.connect((self.digital_mpsk_receiver_cc_0, 0),
(self.qtgui_const_sink_x_1, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0),
(self.blocks_rms_xx_0, 0))
self.connect((self.blocks_rms_xx_0, 0), (self.qtgui_number_sink_1, 0))
def __init__(self):
gr.top_block.__init__(self, "Top Block")
Qt.QWidget.__init__(self)
self.setWindowTitle("Top Block")
qtgui.util.check_set_qss()
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "top_block")
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.samp_rate = samp_rate = 32000
self.refresh = refresh = 0.1
self.const1 = const1 = digital.constellation_bpsk().base()
##################################################
# Blocks
##################################################
self.tabs = Qt.QTabWidget()
self.tabs_widget_0 = Qt.QWidget()
self.tabs_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.tabs_widget_0)
self.tabs_grid_layout_0 = Qt.QGridLayout()
self.tabs_layout_0.addLayout(self.tabs_grid_layout_0)
self.tabs.addTab(self.tabs_widget_0, 'Analysis')
self.tabs_widget_1 = Qt.QWidget()
self.tabs_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.tabs_widget_1)
self.tabs_grid_layout_1 = Qt.QGridLayout()
self.tabs_layout_1.addLayout(self.tabs_grid_layout_1)
self.tabs.addTab(self.tabs_widget_1, 'DSB-AM')
self.tabs_widget_2 = Qt.QWidget()
self.tabs_layout_2 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.tabs_widget_2)
self.tabs_grid_layout_2 = Qt.QGridLayout()
self.tabs_layout_2.addLayout(self.tabs_grid_layout_2)
self.tabs.addTab(self.tabs_widget_2, 'BPSK')
self.top_layout.addWidget(self.tabs)
self._refresh_range = Range(0.001, 3, 0.01, 0.1, 200)
self._refresh_win = RangeWidget(self._refresh_range, self.set_refresh,
"refresh", "counter_slider", float)
self.top_grid_layout.addWidget(self._refresh_win, 0, 0, 1, 1)
[self.top_grid_layout.setRowStretch(r, 1) for r in range(0, 1)]
[self.top_grid_layout.setColumnStretch(c, 1) for c in range(0, 1)]
self.qtgui_time_sink_x_1_0 = qtgui.time_sink_f(
1024 / 8, #size
samp_rate, #samp_rate
"Decoded Value", #name
1 #number of inputs
)
self.qtgui_time_sink_x_1_0.set_update_time(refresh)
self.qtgui_time_sink_x_1_0.set_y_axis(-1, 2)
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, 0.0,
0, 0, "")
self.qtgui_time_sink_x_1_0.enable_autoscale(False)
self.qtgui_time_sink_x_1_0.enable_grid(True)
self.qtgui_time_sink_x_1_0.enable_axis_labels(True)
self.qtgui_time_sink_x_1_0.enable_control_panel(False)
self.qtgui_time_sink_x_1_0.enable_stem_plot(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.tabs_grid_layout_2.addWidget(self._qtgui_time_sink_x_1_0_win, 1,
0, 1, 1)
[self.tabs_grid_layout_2.setRowStretch(r, 1) for r in range(1, 2)]
[self.tabs_grid_layout_2.setColumnStretch(c, 1) for c in range(0, 1)]
self.qtgui_time_sink_x_1 = qtgui.time_sink_f(
1024, #size
samp_rate, #samp_rate
"", #name
1 #number of inputs
)
self.qtgui_time_sink_x_1.set_update_time(0.10)
self.qtgui_time_sink_x_1.set_y_axis(-200, 200)
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(True)
self.qtgui_time_sink_x_1.enable_axis_labels(True)
self.qtgui_time_sink_x_1.enable_control_panel(False)
self.qtgui_time_sink_x_1.enable_stem_plot(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(1):
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.tabs_layout_1.addWidget(self._qtgui_time_sink_x_1_win)
self.qtgui_time_sink_x_0_0 = qtgui.time_sink_f(
1024 * 8, #size
samp_rate, #samp_rate
"", #name
1 #number of inputs
)
self.qtgui_time_sink_x_0_0.set_update_time(refresh)
self.qtgui_time_sink_x_0_0.set_y_axis(-128, 128)
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(False)
self.qtgui_time_sink_x_0_0.enable_grid(True)
self.qtgui_time_sink_x_0_0.enable_axis_labels(True)
self.qtgui_time_sink_x_0_0.enable_control_panel(False)
self.qtgui_time_sink_x_0_0.enable_stem_plot(False)
if not True:
self.qtgui_time_sink_x_0_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_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.tabs_grid_layout_0.addWidget(self._qtgui_time_sink_x_0_0_win, 0,
2, 1, 1)
[self.tabs_grid_layout_0.setRowStretch(r, 1) for r in range(0, 1)]
[self.tabs_grid_layout_0.setColumnStretch(c, 1) for c in range(2, 3)]
self.qtgui_time_sink_x_0 = qtgui.time_sink_c(
1024 * 8, #size
samp_rate, #samp_rate
"", #name
1 #number of inputs
)
self.qtgui_time_sink_x_0.set_update_time(refresh)
self.qtgui_time_sink_x_0.set_y_axis(-128, 128)
self.qtgui_time_sink_x_0.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_0.enable_tags(-1, True)
self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE,
qtgui.TRIG_SLOPE_POS, 0.0, 0,
0, "")
self.qtgui_time_sink_x_0.enable_autoscale(False)
self.qtgui_time_sink_x_0.enable_grid(True)
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(2):
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.tabs_grid_layout_0.addWidget(self._qtgui_time_sink_x_0_win, 0, 0,
1, 1)
[self.tabs_grid_layout_0.setRowStretch(r, 1) for r in range(0, 1)]
[self.tabs_grid_layout_0.setColumnStretch(c, 1) for c in range(0, 1)]
self.qtgui_const_sink_x_0_0 = qtgui.const_sink_c(
1024, #size
"Constellation", #name
1 #number of inputs
)
self.qtgui_const_sink_x_0_0.set_update_time(refresh)
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(False)
self.qtgui_const_sink_x_0_0.enable_grid(True)
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.tabs_grid_layout_2.addWidget(self._qtgui_const_sink_x_0_0_win, 0,
0, 1, 1)
[self.tabs_grid_layout_2.setRowStretch(r, 1) for r in range(0, 1)]
[self.tabs_grid_layout_2.setColumnStretch(c, 1) for c in range(0, 1)]
self.qtgui_const_sink_x_0 = qtgui.const_sink_c(
1024, #size
"", #name
1 #number of inputs
)
self.qtgui_const_sink_x_0.set_update_time(refresh)
self.qtgui_const_sink_x_0.set_y_axis(-128, 128)
self.qtgui_const_sink_x_0.set_x_axis(-128, 128)
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(False)
self.qtgui_const_sink_x_0.enable_grid(True)
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.tabs_grid_layout_0.addWidget(self._qtgui_const_sink_x_0_win, 1, 0,
1, 1)
[self.tabs_grid_layout_0.setRowStretch(r, 1) for r in range(1, 2)]
[self.tabs_grid_layout_0.setColumnStretch(c, 1) for c in range(0, 1)]
self.digital_mpsk_receiver_cc_0 = digital.mpsk_receiver_cc(
4, 0, cmath.pi / 100.0, -0.05, 0.05, 0.25, 0.01, 2, 0.001, 0.001)
self.digital_constellation_modulator_0 = digital.generic_mod(
constellation=const1,
differential=True,
samples_per_symbol=4,
pre_diff_code=True,
excess_bw=0.35,
verbose=False,
log=False,
)
self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(
const1)
self.blocks_uchar_to_float_0 = blocks.uchar_to_float()
self.blocks_float_to_complex_0 = blocks.float_to_complex(1)
self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char * 1,
'/tmp/iqpipe', False)
self.blocks_deinterleave_0 = blocks.deinterleave(
gr.sizeof_float * 1, 1)
self.blocks_complex_to_mag_0 = blocks.complex_to_mag(1)
self.blocks_char_to_float_0 = blocks.char_to_float(1, 1)
self.blocks_add_const_vxx_0 = blocks.add_const_vff((-127, ))
##################################################
# Connections
##################################################
self.connect((self.blocks_add_const_vxx_0, 0),
(self.blocks_deinterleave_0, 0))
self.connect((self.blocks_char_to_float_0, 0),
(self.qtgui_time_sink_x_1_0, 0))
self.connect((self.blocks_complex_to_mag_0, 0),
(self.qtgui_time_sink_x_1, 0))
self.connect((self.blocks_deinterleave_0, 0),
(self.blocks_float_to_complex_0, 0))
self.connect((self.blocks_deinterleave_0, 1),
(self.blocks_float_to_complex_0, 1))
self.connect((self.blocks_file_source_0, 0),
(self.blocks_uchar_to_float_0, 0))
self.connect((self.blocks_file_source_0, 0),
(self.digital_constellation_modulator_0, 0))
self.connect((self.blocks_float_to_complex_0, 0),
(self.blocks_complex_to_mag_0, 0))
self.connect((self.blocks_float_to_complex_0, 0),
(self.qtgui_const_sink_x_0, 0))
self.connect((self.blocks_float_to_complex_0, 0),
(self.qtgui_time_sink_x_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_0, 0),
(self.qtgui_time_sink_x_0_0, 0))
self.connect((self.digital_constellation_decoder_cb_0, 0),
(self.blocks_char_to_float_0, 0))
self.connect((self.digital_constellation_modulator_0, 0),
(self.digital_mpsk_receiver_cc_0, 0))
self.connect((self.digital_mpsk_receiver_cc_0, 0),
(self.digital_constellation_decoder_cb_0, 0))
self.connect((self.digital_mpsk_receiver_cc_0, 0),
(self.qtgui_const_sink_x_0_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Stereo Fm")
Qt.QWidget.__init__(self)
self.setWindowTitle("Stereo Fm")
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", "stereo_fm")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.demod_rate = demod_rate = 192000
self.audio_decimation = audio_decimation = 4
self.audio_rate = audio_rate = demod_rate / audio_decimation
self.width_of_transition_band = width_of_transition_band = audio_rate / 32
self.volume = volume = 1
self.stereo_carr_loop_bw = stereo_carr_loop_bw = 2.0 * math.pi * 10 / 100
self.samp_rate = samp_rate = 1000e3
self.range1 = range1 = 88.1
self.max_freq = max_freq = 2.0 * math.pi * (80) * 1e3 / demod_rate
self.loop_bw = loop_bw = 2.0 * math.pi * 28 / 100
##################################################
# Blocks
##################################################
self._range1_layout = Qt.QVBoxLayout()
self._range1_tool_bar = Qt.QToolBar(self)
self._range1_layout.addWidget(self._range1_tool_bar)
self._range1_tool_bar.addWidget(Qt.QLabel("Tune" + ": "))
class qwt_counter_pyslot(Qwt.QwtCounter):
def __init__(self, parent=None):
Qwt.QwtCounter.__init__(self, parent)
@pyqtSlot("double")
def setValue(self, value):
super(Qwt.QwtCounter, self).setValue(value)
self._range1_counter = qwt_counter_pyslot()
self._range1_counter.setRange(88, 108, 0.1)
self._range1_counter.setNumButtons(2)
self._range1_counter.setValue(self.range1)
self._range1_tool_bar.addWidget(self._range1_counter)
self._range1_counter.valueChanged.connect(self.set_range1)
self._range1_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._range1_slider.setRange(88, 108, 0.1)
self._range1_slider.setValue(self.range1)
self._range1_slider.setMinimumWidth(200)
self._range1_slider.valueChanged.connect(self.set_range1)
self._range1_layout.addWidget(self._range1_slider)
self.top_layout.addLayout(self._range1_layout)
self._volume_layout = Qt.QVBoxLayout()
self._volume_tool_bar = Qt.QToolBar(self)
self._volume_layout.addWidget(self._volume_tool_bar)
self._volume_tool_bar.addWidget(Qt.QLabel("Volume" + ": "))
class qwt_counter_pyslot(Qwt.QwtCounter):
def __init__(self, parent=None):
Qwt.QwtCounter.__init__(self, parent)
@pyqtSlot("double")
def setValue(self, value):
super(Qwt.QwtCounter, self).setValue(value)
self._volume_counter = qwt_counter_pyslot()
self._volume_counter.setRange(0.000001, 100, 0.01)
self._volume_counter.setNumButtons(2)
self._volume_counter.setValue(self.volume)
self._volume_tool_bar.addWidget(self._volume_counter)
self._volume_counter.valueChanged.connect(self.set_volume)
self._volume_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._volume_slider.setRange(0.000001, 100, 0.01)
self._volume_slider.setValue(self.volume)
self._volume_slider.setMinimumWidth(200)
self._volume_slider.valueChanged.connect(self.set_volume)
self._volume_layout.addWidget(self._volume_slider)
self.top_layout.addLayout(self._volume_layout)
self.stereo_carrier_pll_recovery = analog.pll_refout_cc(
stereo_carr_loop_bw, -2.0 * math.pi * 18990 / demod_rate, -2.0 * math.pi * 19010 / demod_rate
)
self.stereo_carrier__filter = filter.fir_filter_fcc(
1,
firdes.complex_band_pass(1, demod_rate, -19020, -18980, width_of_transition_band, firdes.WIN_HAMMING, 6.76),
)
self.stereo_carr_gen = blocks.multiply_vcc(1)
self.rtl2832_source_0 = baz.rtl_source_c(defer_creation=True, output_size=gr.sizeof_gr_complex)
self.rtl2832_source_0.set_verbose(True)
self.rtl2832_source_0.set_vid(0x0)
self.rtl2832_source_0.set_pid(0x0)
self.rtl2832_source_0.set_tuner_name("")
self.rtl2832_source_0.set_default_timeout(0)
self.rtl2832_source_0.set_use_buffer(True)
self.rtl2832_source_0.set_fir_coefficients(([]))
self.rtl2832_source_0.set_read_length(0)
if self.rtl2832_source_0.create() == False:
raise Exception("Failed to create RTL2832 Source: rtl2832_source_0")
self.rtl2832_source_0.set_sample_rate(samp_rate)
self.rtl2832_source_0.set_frequency(range1 * 1e6)
self.rtl2832_source_0.set_auto_gain_mode(True)
self.rtl2832_source_0.set_relative_gain(True)
self.rtl2832_source_0.set_gain(1)
self.root_raised_cosine_filter_0 = filter.fir_filter_ccf(
1, firdes.root_raised_cosine(1, 192000, 2375 / 2, 0.4, 100)
)
self.rational_resampler_xxx_0_0 = filter.rational_resampler_ccc(
interpolation=demod_rate, decimation=int(samp_rate), taps=None, fractional_bw=None
)
self.qtgui_const_sink_x_1 = qtgui.const_sink_c(1024, "", 1) # size # name # 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(True)
self.qtgui_const_sink_x_1.enable_grid(True)
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.fm_demod = analog.pll_freqdet_cf(loop_bw, max_freq, -max_freq)
self.digital_mpsk_receiver_cc_0 = digital.mpsk_receiver_cc(
2, 0, 1 * cmath.pi / 100.0, -0.06, 0.06, 0.5, 0.05, demod_rate / 2375.0, 0.001, 0.005
)
self.RDS_signal_gen = blocks.multiply_vcc(1)
self.RDS_sig_filter = filter.fir_filter_fcc(
1,
firdes.complex_band_pass(
1, demod_rate, 57000 - 1500, 57000 + 1500, width_of_transition_band, firdes.WIN_HAMMING, 6.76
),
)
self.RDS_carr_gen = blocks.multiply_vcc(1)
##################################################
# Connections
##################################################
self.connect((self.RDS_carr_gen, 0), (self.RDS_signal_gen, 0))
self.connect((self.RDS_sig_filter, 0), (self.RDS_signal_gen, 1))
self.connect((self.RDS_signal_gen, 0), (self.root_raised_cosine_filter_0, 0))
self.connect((self.digital_mpsk_receiver_cc_0, 0), (self.qtgui_const_sink_x_1, 0))
self.connect((self.fm_demod, 0), (self.RDS_sig_filter, 0))
self.connect((self.fm_demod, 0), (self.stereo_carrier__filter, 0))
self.connect((self.rational_resampler_xxx_0_0, 0), (self.fm_demod, 0))
self.connect((self.root_raised_cosine_filter_0, 0), (self.digital_mpsk_receiver_cc_0, 0))
self.connect((self.rtl2832_source_0, 0), (self.rational_resampler_xxx_0_0, 0))
self.connect((self.stereo_carr_gen, 0), (self.RDS_carr_gen, 1))
self.connect((self.stereo_carrier__filter, 0), (self.stereo_carrier_pll_recovery, 0))
self.connect((self.stereo_carrier_pll_recovery, 0), (self.RDS_carr_gen, 0))
self.connect((self.stereo_carrier_pll_recovery, 0), (self.stereo_carr_gen, 1))
self.connect((self.stereo_carrier_pll_recovery, 0), (self.stereo_carr_gen, 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.sr_rf = sr_rf = 2500000
self.decimate = decimate = 400
self.sr_lo = sr_lo = sr_rf/decimate
self.f_rf = f_rf = 434645000
self.f_lo = f_lo = 455.2
##################################################
# Blocks
##################################################
self.tab = Qt.QTabWidget()
self.tab_widget_0 = Qt.QWidget()
self.tab_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tab_widget_0)
self.tab_grid_layout_0 = Qt.QGridLayout()
self.tab_layout_0.addLayout(self.tab_grid_layout_0)
self.tab.addTab(self.tab_widget_0, "Tuning")
self.tab_widget_1 = Qt.QWidget()
self.tab_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tab_widget_1)
self.tab_grid_layout_1 = Qt.QGridLayout()
self.tab_layout_1.addLayout(self.tab_grid_layout_1)
self.tab.addTab(self.tab_widget_1, "IQ Display")
self.tab_widget_2 = Qt.QWidget()
self.tab_layout_2 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tab_widget_2)
self.tab_grid_layout_2 = Qt.QGridLayout()
self.tab_layout_2.addLayout(self.tab_grid_layout_2)
self.tab.addTab(self.tab_widget_2, "PSK Output")
self.top_layout.addWidget(self.tab)
self._f_rf_layout = Qt.QVBoxLayout()
self._f_rf_tool_bar = Qt.QToolBar(self)
self._f_rf_layout.addWidget(self._f_rf_tool_bar)
self._f_rf_tool_bar.addWidget(Qt.QLabel("RF Freq"+": "))
class qwt_counter_pyslot(Qwt.QwtCounter):
def __init__(self, parent=None):
Qwt.QwtCounter.__init__(self, parent)
@pyqtSlot('double')
def setValue(self, value):
super(Qwt.QwtCounter, self).setValue(value)
self._f_rf_counter = qwt_counter_pyslot()
self._f_rf_counter.setRange(434644000, 434646000, 1)
self._f_rf_counter.setNumButtons(2)
self._f_rf_counter.setValue(self.f_rf)
self._f_rf_tool_bar.addWidget(self._f_rf_counter)
self._f_rf_counter.valueChanged.connect(self.set_f_rf)
self._f_rf_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._f_rf_slider.setRange(434644000, 434646000, 1)
self._f_rf_slider.setValue(self.f_rf)
self._f_rf_slider.setMinimumWidth(200)
self._f_rf_slider.valueChanged.connect(self.set_f_rf)
self._f_rf_layout.addWidget(self._f_rf_slider)
self.tab_layout_0.addLayout(self._f_rf_layout)
self._f_lo_layout = Qt.QVBoxLayout()
self._f_lo_tool_bar = Qt.QToolBar(self)
self._f_lo_layout.addWidget(self._f_lo_tool_bar)
self._f_lo_tool_bar.addWidget(Qt.QLabel("LO Freq"+": "))
class qwt_counter_pyslot(Qwt.QwtCounter):
def __init__(self, parent=None):
Qwt.QwtCounter.__init__(self, parent)
@pyqtSlot('double')
def setValue(self, value):
super(Qwt.QwtCounter, self).setValue(value)
self._f_lo_counter = qwt_counter_pyslot()
self._f_lo_counter.setRange(0, 2000, .1)
self._f_lo_counter.setNumButtons(2)
self._f_lo_counter.setValue(self.f_lo)
self._f_lo_tool_bar.addWidget(self._f_lo_counter)
self._f_lo_counter.valueChanged.connect(self.set_f_lo)
self._f_lo_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._f_lo_slider.setRange(0, 2000, .1)
self._f_lo_slider.setValue(self.f_lo)
self._f_lo_slider.setMinimumWidth(200)
self._f_lo_slider.valueChanged.connect(self.set_f_lo)
self._f_lo_layout.addWidget(self._f_lo_slider)
self.tab_layout_0.addLayout(self._f_lo_layout)
self.qtgui_time_sink_x_0 = qtgui.time_sink_c(
sr_lo, #size
sr_lo, #samp_rate
"", #name
1 #number of inputs
)
self.qtgui_time_sink_x_0.set_update_time(.03)
self.qtgui_time_sink_x_0.set_y_axis(-.02, .02)
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(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", "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.tab_layout_0.addWidget(self._qtgui_time_sink_x_0_win)
self.qtgui_number_sink_1 = qtgui.number_sink(
gr.sizeof_float,
0,
qtgui.NUM_GRAPH_NONE,
1
)
self.qtgui_number_sink_1.set_update_time(0.10)
self.qtgui_number_sink_1.set_title("")
labels = ["Signal RMS", "", "", "", "",
"", "", "", "", ""]
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_1.set_min(i, -1)
self.qtgui_number_sink_1.set_max(i, 1)
self.qtgui_number_sink_1.set_color(i, colors[i][0], colors[i][1])
if len(labels[i]) == 0:
self.qtgui_number_sink_1.set_label(i, "Data {0}".format(i))
else:
self.qtgui_number_sink_1.set_label(i, labels[i])
self.qtgui_number_sink_1.set_unit(i, units[i])
self.qtgui_number_sink_1.set_factor(i, factor[i])
self.qtgui_number_sink_1.enable_autoscale(False)
self._qtgui_number_sink_1_win = sip.wrapinstance(self.qtgui_number_sink_1.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_number_sink_1_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(0.03)
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, -1)
self.qtgui_number_sink_0.set_max(i, 1)
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.tab_layout_0.addWidget(self._qtgui_number_sink_0_win)
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(-.02, .02)
self.qtgui_const_sink_x_1.set_x_axis(-.02, .02)
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(True)
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.tab_layout_2.addWidget(self._qtgui_const_sink_x_1_win)
self.qtgui_const_sink_x_0 = qtgui.const_sink_c(
1024, #size
"", #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(-.02, .02)
self.qtgui_const_sink_x_0.set_x_axis(-.02, .02)
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(False)
self.qtgui_const_sink_x_0.enable_grid(True)
labels = ["", "", "", "", "",
"", "", "", "", ""]
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ["blue", "red", "red", "red", "red",
"red", "red", "red", "red", "red"]
styles = [1, 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.tab_layout_0.addWidget(self._qtgui_const_sink_x_0_win)
self.osmosdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + "airspy=0" )
self.osmosdr_source_0.set_sample_rate(sr_rf)
self.osmosdr_source_0.set_center_freq(f_rf, 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(3, 0)
self.osmosdr_source_0.set_if_gain(0, 0)
self.osmosdr_source_0.set_bb_gain(0, 0)
self.osmosdr_source_0.set_antenna("", 0)
self.osmosdr_source_0.set_bandwidth(0, 0)
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(100, (firdes.low_pass(1, sr_rf, 2000, 100)), f_lo, sr_rf)
self.digital_mpsk_receiver_cc_0 = digital.mpsk_receiver_cc(2, 0, cmath.pi/100.0, -0.5, 0.5, 0.25, 0.01, 2, 0.001, 0.001)
self.blocks_rms_xx_0 = blocks.rms_cf(0.0001)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((sr_lo / (2 * 3.14159), ))
self.analog_pll_freqdet_cf_0 = analog.pll_freqdet_cf(.06, 0.6, -.6)
##################################################
# Connections
##################################################
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.qtgui_time_sink_x_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.qtgui_const_sink_x_0, 0))
self.connect((self.osmosdr_source_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.analog_pll_freqdet_cf_0, 0))
self.connect((self.analog_pll_freqdet_cf_0, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.qtgui_number_sink_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.digital_mpsk_receiver_cc_0, 0))
self.connect((self.digital_mpsk_receiver_cc_0, 0), (self.qtgui_const_sink_x_1, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.blocks_rms_xx_0, 0))
self.connect((self.blocks_rms_xx_0, 0), (self.qtgui_number_sink_1, 0))
def __init__(self):
gr.top_block.__init__(self, "Tetra Rx Multi")
options = self.get_options()
self.src = blocks.file_source(gr.sizeof_gr_complex * 1,
"/tmp/myout1.ch", False)
##################################################
# Variables
##################################################
self.srate_rx = srate_rx = options.sample_rate
self.channels = srate_rx / 25000
self.srate_channel = 36000
self.afc_period = 15
self.afc_gain = 0.01
self.afc_channel = options.auto_tune or -1
self.afc_ppm_step = 100
self.debug = options.debug
self.last_pwr = -100000
self.sig_det_period = 10
self.sig_det_bw = sig_det_bw = options.sig_detection_bw or srate_rx
if self.sig_det_bw <= 1.:
self.sig_det_bw *= srate_rx
self.sig_det_threshold = options.sig_detection_threshold
self.sig_det_channels = []
for ch in range(self.channels):
if ch >= self.channels / 2:
ch_ = (self.channels - ch - 1)
else:
ch_ = ch
if (float(ch_) / self.channels * 2) <= (self.sig_det_bw /
srate_rx):
self.sig_det_channels.append(ch)
self.channels = 10
##################################################
# RPC server
##################################################
self.xmlrpc_server = SimpleXMLRPCServer.SimpleXMLRPCServer(
("localhost", options.listen_port), allow_none=True)
self.xmlrpc_server.register_instance(self)
threading.Thread(target=self.xmlrpc_server.serve_forever).start()
##################################################
# Rx Blocks and connections
##################################################
out_type, dst_path = options.output.split("://", 1)
if out_type == "udp":
dst_ip, dst_port = dst_path.split(':', 1)
self.blocks_deinterleave_0 = blocks.deinterleave(
gr.sizeof_gr_complex * 1, 1)
self.squelch = []
self.digital_mpsk_receiver_cc = []
self.diff_phasor = []
self.complex_to_arg = []
self.multiply_const = []
self.add_const = []
self.float_to_uchar = []
self.map_bits = []
self.unpack_k_bits = []
self.blocks_sink = []
for ch in range(0, self.channels):
mpsk = digital.mpsk_receiver_cc(4, math.pi / 4, math.pi / 100.0,
-0.5, 0.5, 0.25, 0.001, 2, 0.001,
0.001)
diff_phasor = digital.diff_phasor_cc()
complex_to_arg = blocks.complex_to_arg(1)
multiply_const = blocks.multiply_const_vff((2. / math.pi, ))
add_const = blocks.add_const_vff((1.5, ))
float_to_uchar = blocks.float_to_uchar()
map_bits = digital.map_bb(([3, 2, 0, 1, 3]))
unpack_k_bits = blocks.unpack_k_bits_bb(2)
brmchannels = [
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33,
34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49,
50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65,
66, 67, 68, 69, 70, 71
]
#brmchannels = [11,4,3,64,45,47,53,8,68,6,56,49,17,54,65,5,71,22,48,7,50] # itds kancl
#brmchannels = [23,13,40,69,59,7,42,54,5,14,4,56,45,46,67,55,66,44,71,49,31,57,0,65,70] # doma - dole
#brmchannels = [23,13,59,40,69,7,49,60,42,70,4,50,66,67,3,14,57,33,46,22,68,32,39,24,6,12,43,58,48,17,5,56,65,29,54,30,16,52,53,41,47,2,34,44,8] # doma - strecha
#brmchannels = [67, 7, 23, 70] # doma - strecha - SDS
#brmchannels = [67, 7, 23, 70,9,71,64,63,62,61,55,51,45,38,37,36,35,31,28,27,26,25,21,20,19,18,15,11,10,1,0] # doma - strecha - komplement
if out_type == 'udp':
sink = blocks.udp_sink(gr.sizeof_gr_char, dst_ip,
int(dst_port) + ch, 1472, True)
elif out_type == 'file':
sink = blocks.file_sink(gr.sizeof_char, dst_path % ch, False)
sink.set_unbuffered(True)
else:
raise ValueError("Invalid output URL '%s'" % options.output)
print "connect %i" % ch
if ch in brmchannels:
self.connect(
(self.blocks_deinterleave_0, ch),
#(squelch, 0),
(mpsk, 0),
(diff_phasor, 0),
(complex_to_arg, 0),
(multiply_const, 0),
(add_const, 0),
(float_to_uchar, 0),
(map_bits, 0),
(unpack_k_bits, 0),
(sink, 0))
self.digital_mpsk_receiver_cc.append(mpsk)
self.diff_phasor.append(diff_phasor)
self.complex_to_arg.append(complex_to_arg)
self.multiply_const.append(multiply_const)
self.add_const.append(add_const)
self.float_to_uchar.append(float_to_uchar)
self.map_bits.append(map_bits)
self.unpack_k_bits.append(unpack_k_bits)
self.blocks_sink.append(sink)
self.connect((self.src, 0), (self.blocks_deinterleave_0, 0))
##################################################
# signal strenght identification
##################################################
'''
self.pwr_probes = []
for ch in range(self.channels):
pwr_probe = analog.probe_avg_mag_sqrd_c(0, 1./self.srate_channel)
self.pwr_probes.append(pwr_probe)
print "connect %i"%ch
self.connect((self.blocks_deinterleave_0, ch), (pwr_probe, 0))
def _sig_det_probe():
while True:
pwr = [self.pwr_probes[ch].level()
for ch in range(self.channels)
if ch in self.sig_det_channels]
pwr = [10 * math.log10(p) for p in pwr if p > 0.]
if not pwr:
continue
pwr = min(pwr) + self.sig_det_threshold
print "power threshold target %f"%pwr
if abs(pwr - self.last_pwr) > (self.sig_det_threshold / 2):
for s in []:
s.set_threshold(pwr)
self.last_pwr = pwr
time.sleep(self.sig_det_period)
if self.sig_det_threshold is not None:
self._sig_det_probe_thread = threading.Thread(target=_sig_det_probe)
self._sig_det_probe_thread.daemon = True
self._sig_det_probe_thread.start()
'''
##################################################
# AFC blocks and connections
##################################################
self.afc_selector = grc_blks2.selector(
item_size=gr.sizeof_gr_complex,
num_inputs=self.channels,
num_outputs=1,
input_index=0,
output_index=0,
)
self.afc_demod = analog.quadrature_demod_cf(self.srate_channel /
(2 * math.pi))
samp_afc = self.srate_channel * self.afc_period / 2
self.afc_avg = blocks.moving_average_ff(samp_afc,
1. / samp_afc * self.afc_gain)
self.afc_probe = blocks.probe_signal_f()
def _afc_probe():
rt = 0.0
while True:
time.sleep(self.afc_period)
if self.afc_channel == -1:
continue
err = self.afc_probe.level()
freq = err * self.afc_gain
print "err: %f\tfreq: %f\trt %f" % (err, freq, rt)
changed = False
if err < -1:
rt += 0.1
changed = True
elif err > 1:
rt -= 0.1
changed = True
if changed:
os.system("echo \"setrot %f\" | nc localhost 3333" % rt)
self.afc_channel = 0
self._afc_err_thread = threading.Thread(target=_afc_probe)
self._afc_err_thread.daemon = True
self._afc_err_thread.start()
for ch in range(self.channels):
print "connect %i" % ch
self.connect((self.blocks_deinterleave_0, ch),
(self.afc_selector, ch))
self.connect((self.afc_selector, 0), (self.afc_demod, 0),
(self.afc_avg, 0), (self.afc_probe, 0))
if self.afc_channel != -1:
self.afc_selector.set_input_index(self.afc_channel)
def __init__(self):
gr.top_block.__init__(self, "DSRC RSU Receiver")
Qt.QWidget.__init__(self)
self.setWindowTitle("DSRC RSU Receiver")
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "rsu_receiver")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.symbol_per_second = symbol_per_second = 250e3
self.samp_per_symb = samp_per_symb = 20
self.usrp_samples_per_second = usrp_samples_per_second = 100e6
self.input_rate = input_rate = int(samp_per_symb * symbol_per_second)
self.subcarrier_freq = subcarrier_freq = 1.5e6
self.lowpass_coeff = lowpass_coeff = firdes.low_pass(
1.0, input_rate, 100e3, 100e3, firdes.WIN_HAMMING, 6.76)
self.gain = gain = 1.0
self.decimation_rate = decimation_rate = int(usrp_samples_per_second /
input_rate)
##################################################
# Blocks
##################################################
self._subcarrier_freq_tool_bar = Qt.QToolBar(self)
self._subcarrier_freq_tool_bar.addWidget(
Qt.QLabel('Subcarrier frequency' + ": "))
self._subcarrier_freq_line_edit = Qt.QLineEdit(
str(self.subcarrier_freq))
self._subcarrier_freq_tool_bar.addWidget(
self._subcarrier_freq_line_edit)
self._subcarrier_freq_line_edit.returnPressed.connect(
lambda: self.set_subcarrier_freq(
eng_notation.str_to_num(
str(self._subcarrier_freq_line_edit.text().toAscii()))))
self.top_layout.addWidget(self._subcarrier_freq_tool_bar)
self.usrp_source = uhd.usrp_source(
",".join(("", "")),
uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.usrp_source.set_samp_rate(input_rate)
self.usrp_source.set_center_freq(5.8e9, 0)
self.usrp_source.set_gain(gain, 0)
self.usrp_source.set_antenna('RX2', 0)
self.qtgui_time_sink_x_0 = qtgui.time_sink_c(
256, #size
input_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(True)
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.file_sink = blocks.file_sink(gr.sizeof_char * gr.sizeof_char,
'binary_nrz_data', False)
self.file_sink.set_unbuffered(False)
self.dsrcmod_nrzi_to_nrz_bb_0 = dsrcmod.nrzi_to_nrz_bb(1)
self.digital_mpsk_receiver_cc_0 = digital.mpsk_receiver_cc(
2, 0, cmath.pi / 100.0, -0.00393, 0.00393, 0.5, 0.05,
samp_per_symb, (samp_per_symb * samp_per_symb) / 4, 0.005)
self.complex_to_real = blocks.complex_to_real(1)
self.channel_filter = filter.freq_xlating_fir_filter_ccf(
1, (lowpass_coeff), 5.8e9 + subcarrier_freq, input_rate)
self.binary_slicer = digital.binary_slicer_fb()
##################################################
# Connections
##################################################
self.connect((self.binary_slicer, 0),
(self.dsrcmod_nrzi_to_nrz_bb_0, 0))
self.connect((self.channel_filter, 0),
(self.digital_mpsk_receiver_cc_0, 0))
self.connect((self.complex_to_real, 0), (self.binary_slicer, 0))
self.connect((self.digital_mpsk_receiver_cc_0, 0),
(self.complex_to_real, 0))
self.connect((self.dsrcmod_nrzi_to_nrz_bb_0, 0), (self.file_sink, 0))
self.connect((self.usrp_source, 0), (self.channel_filter, 0))
self.connect((self.usrp_source, 0), (self.qtgui_time_sink_x_0, 0))
def __init__(self):
gr.top_block.__init__(
self, "Downlink from TVAC (This should run all the time)")
##################################################
# Variables
##################################################
self.block_len_enc = block_len_enc = 1024 / 8 * 2
self.variable_constellation_0 = variable_constellation_0 = digital.constellation_calcdist(
([-1, 1]), ([0, 1]), 4, 1).base()
self.samp_rate_factor = samp_rate_factor = 5
self.samp_rate = samp_rate = 250000
self.rgain = rgain = 0
self.payload = payload = block_len_enc + 4
self.freq_offset = freq_offset = 0
##################################################
# Blocks
##################################################
self.rational_resampler_xxx_1 = filter.rational_resampler_ccc(
interpolation=1,
decimation=5,
taps=None,
fractional_bw=None,
)
self.osmosdr_source_0 = osmosdr.source(args="numchan=" + str(1) + " " +
'rtl_tcp=10.0.0.51:1234')
self.osmosdr_source_0.set_sample_rate(samp_rate * samp_rate_factor)
self.osmosdr_source_0.set_center_freq(145.95, 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(rgain, 0)
self.osmosdr_source_0.set_if_gain(0, 0)
self.osmosdr_source_0.set_bb_gain(0, 0)
self.osmosdr_source_0.set_antenna('', 0)
self.osmosdr_source_0.set_bandwidth(0, 0)
self.fir_filter_xxx_0 = filter.fir_filter_ccc(samp_rate_factor, (1, ))
self.fir_filter_xxx_0.declare_sample_delay(0)
self.digital_mpsk_receiver_cc_0_0 = digital.mpsk_receiver_cc(
2, 0, cmath.pi / 100.0, -0.05, 0.05, 0.25, 0.05, 4, 4, 0.005)
self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(
variable_constellation_0)
self.ccsds_softbits_msg_to_bytes_b_0 = ccsds.softbits_msg_to_bytes_b()
self.ccsds_randomiser_softbits_0 = ccsds.randomiser_softbits(
0x95, 0xFF)
self.ccsds_mpsk_ambiguity_resolver_f_0 = ccsds.mpsk_ambiguity_resolver_f(
2, '49E0DCC7', 32, 1, 0.8, block_len_enc, 0)
self.ccsds_message_info_0 = ccsds.message_info(
"Block received and sent to Nanolink: ", 10)
self.ccsds_ldpc_decoder_0 = ccsds.ldpc_decoder(
'/tmp/AR4JA_r12_k1024n.a', ccsds.LDPC_SYS_FRONT,
ccsds.LDPC_PUNCT_BACK, 512, tuple(([])))
self.ccsds_blob_msg_sink_b_0 = ccsds.blob_msg_sink_b(256 / 2)
self.blocks_udp_sink_0_1 = blocks.udp_sink(gr.sizeof_char * 1,
'127.0.0.1', 5431, 256,
True)
self.blocks_udp_sink_0_0 = blocks.udp_sink(gr.sizeof_char * 1,
'127.0.0.1', 5433, 1472,
True)
self.blocks_udp_sink_0 = blocks.udp_sink(gr.sizeof_gr_complex * 1,
'127.0.0.1', 5435, 1472, True)
self.blocks_null_sink_1 = blocks.null_sink(gr.sizeof_char * 1)
self.blocks_multiply_xx_0_0 = blocks.multiply_vcc(1)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_char_to_float_0 = blocks.char_to_float(1, 0.5)
self.blocks_add_const_vxx_0 = blocks.add_const_vff((-1, ))
self.band_pass_filter_0 = filter.fir_filter_ccc(
1,
firdes.complex_band_pass(1, samp_rate * samp_rate_factor, 40e3,
60e3, 6e3, firdes.WIN_HAMMING, 6.76))
self.analog_sig_source_x_0_0 = analog.sig_source_c(
samp_rate * samp_rate_factor, analog.GR_COS_WAVE, -freq_offset, 1,
0)
self.analog_sig_source_x_0 = analog.sig_source_c(
samp_rate, analog.GR_COS_WAVE, -50000, 1, 0)
self.analog_agc_xx_0 = analog.agc_cc(1e-4, 0.5, 1.0)
self.analog_agc_xx_0.set_max_gain(65536)
##################################################
# Connections
##################################################
self.msg_connect((self.ccsds_blob_msg_sink_b_0, 'out'),
(self.ccsds_message_info_0, 'in'))
self.msg_connect((self.ccsds_ldpc_decoder_0, 'out'),
(self.ccsds_softbits_msg_to_bytes_b_0, 'in'))
self.msg_connect((self.ccsds_mpsk_ambiguity_resolver_f_0, 'out'),
(self.ccsds_randomiser_softbits_0, 'in'))
self.msg_connect((self.ccsds_randomiser_softbits_0, 'out'),
(self.ccsds_ldpc_decoder_0, 'in'))
self.connect((self.analog_agc_xx_0, 0),
(self.rational_resampler_xxx_1, 0))
self.connect((self.analog_sig_source_x_0, 0),
(self.blocks_multiply_xx_0, 0))
self.connect((self.analog_sig_source_x_0_0, 0),
(self.blocks_multiply_xx_0_0, 0))
self.connect((self.band_pass_filter_0, 0), (self.fir_filter_xxx_0, 0))
self.connect((self.blocks_add_const_vxx_0, 0),
(self.ccsds_mpsk_ambiguity_resolver_f_0, 0))
self.connect((self.blocks_char_to_float_0, 0),
(self.blocks_add_const_vxx_0, 0))
self.connect((self.blocks_multiply_xx_0, 0), (self.analog_agc_xx_0, 0))
self.connect((self.blocks_multiply_xx_0_0, 0),
(self.band_pass_filter_0, 0))
self.connect((self.ccsds_softbits_msg_to_bytes_b_0, 0),
(self.blocks_null_sink_1, 0))
self.connect((self.ccsds_softbits_msg_to_bytes_b_0, 0),
(self.blocks_udp_sink_0_1, 0))
self.connect((self.ccsds_softbits_msg_to_bytes_b_0, 0),
(self.ccsds_blob_msg_sink_b_0, 0))
self.connect((self.digital_constellation_decoder_cb_0, 0),
(self.blocks_char_to_float_0, 0))
self.connect((self.digital_constellation_decoder_cb_0, 0),
(self.blocks_udp_sink_0_0, 0))
self.connect((self.digital_mpsk_receiver_cc_0_0, 0),
(self.digital_constellation_decoder_cb_0, 0))
self.connect((self.fir_filter_xxx_0, 0),
(self.blocks_multiply_xx_0, 1))
self.connect((self.osmosdr_source_0, 0),
(self.blocks_multiply_xx_0_0, 1))
self.connect((self.osmosdr_source_0, 0), (self.blocks_udp_sink_0, 0))
self.connect((self.rational_resampler_xxx_1, 0),
(self.digital_mpsk_receiver_cc_0_0, 0))
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Stereo FM receiver and RDS Decoder")
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 1000000
self.bb_decim = bb_decim = 4
self.freq_offset = freq_offset = 250000
self.freq = freq = 101.5
self.baseband_rate = baseband_rate = samp_rate/bb_decim
self.audio_decim = audio_decim = 5
self.xlate_bandwidth = xlate_bandwidth = 100000
self.gain = gain = 20
self.freq_tune = freq_tune = freq - freq_offset
self.audio_rate = audio_rate = 48000
self.audio_decim_rate = audio_decim_rate = baseband_rate/audio_decim
##################################################
# Blocks
##################################################
self.nb = self.nb = wx.Notebook(self.GetWin(), style=wx.NB_TOP)
self.nb.AddPage(grc_wxgui.Panel(self.nb), "BB")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "Demod")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "L+R")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "Pilot")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "DSBSC")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "RDS")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "L-R")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "RDS constellation")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "Waterfall")
self.GridAdd(self.nb, 2, 0, 1, 2)
self.wxgui_scopesink2_1 = scopesink2.scope_sink_c(
self.nb.GetPage(7).GetWin(),
title="Scope Plot",
sample_rate=2375,
v_scale=0.4,
v_offset=0,
t_scale=0,
ac_couple=False,
xy_mode=True,
num_inputs=1,
trig_mode=wxgui.TRIG_MODE_AUTO,
y_axis_label="Counts",
)
self.nb.GetPage(7).Add(self.wxgui_scopesink2_1.win)
self.wxgui_fftsink2_0_0_0_1_0_1 = fftsink2.fft_sink_c(
self.nb.GetPage(5).GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=audio_rate,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title="RDS",
peak_hold=False,
)
self.nb.GetPage(5).Add(self.wxgui_fftsink2_0_0_0_1_0_1.win)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.nb.GetPage(0).GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=-30,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=1024,
fft_rate=15,
average=True,
avg_alpha=0.8,
title="Baseband",
peak_hold=False,
)
self.nb.GetPage(0).Add(self.wxgui_fftsink2_0.win)
self.rtl_sdr_source0 = osmosdr.source( args="numchan=" + str(1) + " " + "" )
self.rtl_sdr_source0.set_sample_rate(samp_rate)
self.rtl_sdr_source0.set_center_freq(freq_tune, 0)
self.rtl_sdr_source0.set_freq_corr(0, 0)
self.rtl_sdr_source0.set_dc_offset_mode(0, 0)
self.rtl_sdr_source0.set_iq_balance_mode(0, 0)
self.rtl_sdr_source0.set_gain_mode(False, 0)
self.rtl_sdr_source0.set_gain(gain, 0)
self.rtl_sdr_source0.set_if_gain(20, 0)
self.rtl_sdr_source0.set_bb_gain(20, 0)
self.rtl_sdr_source0.set_antenna("", 0)
self.rtl_sdr_source0.set_bandwidth(0, 0)
self.root_raised_cosine_filter_0 = filter.fir_filter_ccf(1, firdes.root_raised_cosine(
1, samp_rate/bb_decim/audio_decim, 2375, 1, 100))
self.gr_rds_parser_0 = rds.parser(True, False)
self.gr_rds_panel_0 = rds.rdsPanel(freq, self.GetWin())
self.Add(self.gr_rds_panel_0.panel)
self.gr_rds_decoder_0 = rds.decoder(False, False)
self.freq_xlating_fir_filter_xxx_1 = filter.freq_xlating_fir_filter_fcc(audio_decim, (firdes.low_pass(2500.0,baseband_rate,2.4e3,2e3,firdes.WIN_HAMMING)), 57e3, baseband_rate)
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(1, (firdes.low_pass(1, samp_rate, xlate_bandwidth, 100000)), freq_offset, samp_rate)
self.digital_mpsk_receiver_cc_0 = digital.mpsk_receiver_cc(2, 0, 1*cmath.pi/100.0, -0.06, 0.06, 0.5, 0.05, samp_rate/bb_decim/audio_decim/ 2375.0, 0.001, 0.005)
self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(2)
self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
self.blocks_keep_one_in_n_0 = blocks.keep_one_in_n(gr.sizeof_char*1, 2)
self.blocks_complex_to_real_0 = blocks.complex_to_real(1)
self.analog_wfm_rcv_0 = analog.wfm_rcv(
quad_rate=samp_rate,
audio_decimation=bb_decim,
)
##################################################
# Connections
##################################################
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.analog_wfm_rcv_0, 0))
self.connect((self.analog_wfm_rcv_0, 0), (self.freq_xlating_fir_filter_xxx_1, 0))
self.connect((self.freq_xlating_fir_filter_xxx_1, 0), (self.wxgui_fftsink2_0_0_0_1_0_1, 0))
self.connect((self.digital_mpsk_receiver_cc_0, 0), (self.wxgui_scopesink2_1, 0))
self.connect((self.freq_xlating_fir_filter_xxx_1, 0), (self.root_raised_cosine_filter_0, 0))
self.connect((self.root_raised_cosine_filter_0, 0), (self.digital_mpsk_receiver_cc_0, 0))
self.connect((self.digital_mpsk_receiver_cc_0, 0), (self.blocks_complex_to_real_0, 0))
self.connect((self.digital_binary_slicer_fb_0, 0), (self.blocks_keep_one_in_n_0, 0))
self.connect((self.blocks_complex_to_real_0, 0), (self.digital_binary_slicer_fb_0, 0))
self.connect((self.blocks_keep_one_in_n_0, 0), (self.digital_diff_decoder_bb_0, 0))
self.connect((self.rtl_sdr_source0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
self.connect((self.digital_diff_decoder_bb_0, 0), (self.gr_rds_decoder_0, 0))
##################################################
# Asynch Message Connections
##################################################
self.msg_connect(self.gr_rds_decoder_0, "out", self.gr_rds_parser_0, "in")
self.msg_connect(self.gr_rds_parser_0, "out", self.gr_rds_panel_0, "in")
def __init__(self):
gr.top_block.__init__(self, "Downlink for EM")
Qt.QWidget.__init__(self)
self.setWindowTitle("Downlink for EM")
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", "downlink_em")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.block_len_enc = block_len_enc = 1024 / 8 * 2
self.variable_constellation_0 = variable_constellation_0 = digital.constellation_calcdist(
([-1, 1]), ([0, 1]), 4, 1).base()
self.samp_rate = samp_rate = 250000
self.payload = payload = block_len_enc + 4
self.oversample = oversample = 5
self.frequency_offset_correction = frequency_offset_correction = 89e2
##################################################
# Blocks
##################################################
self._frequency_offset_correction_range = Range(
-120000, 120000, 100, 89e2, 200)
self._frequency_offset_correction_win = RangeWidget(
self._frequency_offset_correction_range,
self.set_frequency_offset_correction, 'Frequency Correction',
"counter_slider", float)
self.top_grid_layout.addWidget(self._frequency_offset_correction_win,
0, 0, 1, 1)
for r in range(0, 1):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 1):
self.top_grid_layout.setColumnStretch(c, 1)
self.rational_resampler_xxx_1 = filter.rational_resampler_ccc(
interpolation=1,
decimation=5,
taps=None,
fractional_bw=None,
)
self.qtgui_sink_x_0_0_1 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
145.79e6, #fc
samp_rate * 4, #bw
"Vor Sync", #name
True, #plotfreq
True, #plotwaterfall
True, #plottime
True, #plotconst
)
self.qtgui_sink_x_0_0_1.set_update_time(1.0 / 10)
self._qtgui_sink_x_0_0_1_win = sip.wrapinstance(
self.qtgui_sink_x_0_0_1.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_sink_x_0_0_1_win, 1, 0, 1,
1)
for r in range(1, 2):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 1):
self.top_grid_layout.setColumnStretch(c, 1)
self.qtgui_sink_x_0_0_1.enable_rf_freq(False)
self.qtgui_sink_x_0_0_0_0 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate / 5, #bw
"Vor Sync", #name
True, #plotfreq
True, #plotwaterfall
True, #plottime
True, #plotconst
)
self.qtgui_sink_x_0_0_0_0.set_update_time(1.0 / 10)
self._qtgui_sink_x_0_0_0_0_win = sip.wrapinstance(
self.qtgui_sink_x_0_0_0_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_sink_x_0_0_0_0_win, 2, 0, 1,
1)
for r in range(2, 3):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 1):
self.top_grid_layout.setColumnStretch(c, 1)
self.qtgui_sink_x_0_0_0_0.enable_rf_freq(False)
self.qtgui_sink_x_0_0_0 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate / 5, #bw
"Vor Sync", #name
True, #plotfreq
True, #plotwaterfall
True, #plottime
True, #plotconst
)
self.qtgui_sink_x_0_0_0.set_update_time(1.0 / 10)
self._qtgui_sink_x_0_0_0_win = sip.wrapinstance(
self.qtgui_sink_x_0_0_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_sink_x_0_0_0_win, 3, 0, 1,
1)
for r in range(3, 4):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 1):
self.top_grid_layout.setColumnStretch(c, 1)
self.qtgui_sink_x_0_0_0.enable_rf_freq(False)
self.osmosdr_source_0 = osmosdr.source(args="numchan=" + str(1) + " " +
'')
self.osmosdr_source_0.set_sample_rate(samp_rate * oversample)
self.osmosdr_source_0.set_center_freq(145.85e6, 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(True, 0)
self.osmosdr_source_0.set_gain(30 * 1, 0)
self.osmosdr_source_0.set_if_gain(30 * 1, 0)
self.osmosdr_source_0.set_bb_gain(0, 0)
self.osmosdr_source_0.set_antenna('', 0)
self.osmosdr_source_0.set_bandwidth(0, 0)
self.digital_mpsk_receiver_cc_0_0 = digital.mpsk_receiver_cc(
2, 0, 31.41e-3, -0.01, 0.01, 0.25, 0.05, samp_rate / 5 / 12.5e3,
0.01, 0.005)
self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(
variable_constellation_0)
self.ccsds_softbits_msg_to_bytes_b_0 = ccsds.softbits_msg_to_bytes_b()
self.ccsds_send_nanolink_0 = ccsds.send_nanolink(
"https://move2radio.lrt.mw.tum.de")
self.ccsds_randomiser_softbits_0 = ccsds.randomiser_softbits(
0x95, 0xFF)
self.ccsds_mpsk_ambiguity_resolver_f_0 = ccsds.mpsk_ambiguity_resolver_f(
2, '49E0DCC7', 32, 1, 0.8, block_len_enc, 0)
self.ccsds_ldpc_decoder_0 = ccsds.ldpc_decoder(
'/tmp/AR4JA_r12_k1024n.a', ccsds.LDPC_SYS_FRONT,
ccsds.LDPC_PUNCT_BACK, 512, tuple(([])))
self.ccsds_blob_msg_sink_b_0 = ccsds.blob_msg_sink_b(256 / 2)
self.blocks_multiply_xx_0_0 = blocks.multiply_vcc(1)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_char_to_float_0 = blocks.char_to_float(1, 0.5)
self.blocks_add_const_vxx_0 = blocks.add_const_vff((-1, ))
self.band_pass_filter_0 = filter.fir_filter_ccc(
oversample,
firdes.complex_band_pass(1, samp_rate * oversample, 40e3, 60e3,
6e3, firdes.WIN_HAMMING, 6.76))
self.analog_sig_source_x_0_0 = analog.sig_source_c(
samp_rate * oversample, analog.GR_COS_WAVE,
frequency_offset_correction, 1, 0)
self.analog_sig_source_x_0 = analog.sig_source_c(
samp_rate, analog.GR_COS_WAVE, -50000, 1, 0)
self.analog_agc_xx_0 = analog.agc_cc(1e-4, 0.5, 1.0)
self.analog_agc_xx_0.set_max_gain(65536)
##################################################
# Connections
##################################################
self.msg_connect((self.ccsds_blob_msg_sink_b_0, 'out'),
(self.ccsds_send_nanolink_0, 'in'))
self.msg_connect((self.ccsds_ldpc_decoder_0, 'out'),
(self.ccsds_softbits_msg_to_bytes_b_0, 'in'))
self.msg_connect((self.ccsds_mpsk_ambiguity_resolver_f_0, 'out'),
(self.ccsds_randomiser_softbits_0, 'in'))
self.msg_connect((self.ccsds_randomiser_softbits_0, 'out'),
(self.ccsds_ldpc_decoder_0, 'in'))
self.connect((self.analog_agc_xx_0, 0), (self.qtgui_sink_x_0_0_0_0, 0))
self.connect((self.analog_agc_xx_0, 0),
(self.rational_resampler_xxx_1, 0))
self.connect((self.analog_sig_source_x_0, 0),
(self.blocks_multiply_xx_0, 1))
self.connect((self.analog_sig_source_x_0_0, 0),
(self.blocks_multiply_xx_0_0, 1))
self.connect((self.band_pass_filter_0, 0),
(self.blocks_multiply_xx_0, 0))
self.connect((self.blocks_add_const_vxx_0, 0),
(self.ccsds_mpsk_ambiguity_resolver_f_0, 0))
self.connect((self.blocks_char_to_float_0, 0),
(self.blocks_add_const_vxx_0, 0))
self.connect((self.blocks_multiply_xx_0, 0), (self.analog_agc_xx_0, 0))
self.connect((self.blocks_multiply_xx_0_0, 0),
(self.band_pass_filter_0, 0))
self.connect((self.blocks_multiply_xx_0_0, 0),
(self.qtgui_sink_x_0_0_1, 0))
self.connect((self.ccsds_softbits_msg_to_bytes_b_0, 0),
(self.ccsds_blob_msg_sink_b_0, 0))
self.connect((self.digital_constellation_decoder_cb_0, 0),
(self.blocks_char_to_float_0, 0))
self.connect((self.digital_mpsk_receiver_cc_0_0, 0),
(self.digital_constellation_decoder_cb_0, 0))
self.connect((self.digital_mpsk_receiver_cc_0_0, 0),
(self.qtgui_sink_x_0_0_0, 0))
self.connect((self.osmosdr_source_0, 0),
(self.blocks_multiply_xx_0_0, 0))
self.connect((self.rational_resampler_xxx_1, 0),
(self.digital_mpsk_receiver_cc_0_0, 0))
def __init__(self):
gr.top_block.__init__(self)
self.qapp = QtGui.QApplication(sys.argv)
self._sample_rate = 2000e3
self.sps = 2
self.excess_bw = 0.35
self.gray_code = digital.mod_codes.GRAY_CODE
fftsize = 2048
self.data = scipy.random.randint(0, 255, 1000)
self.src = gr.vector_source_b(self.data.tolist(), True)
self.mod = digital.dqpsk_mod(self.gray_code,
samples_per_symbol=self.sps,
excess_bw=self.excess_bw,
verbose=False, log=False)
self.rrctaps = gr.firdes.root_raised_cosine(1, self.sps, 1, self.excess_bw, 21)
self.rx_rrc = gr.fir_filter_ccf(1, self.rrctaps)
# Set up the carrier & clock recovery parameters
self.arity = 4
self.mu = 0.5
self.gain_mu = 0.05
self.omega = self.sps
self.gain_omega = .25 * self.gain_mu * self.gain_mu
self.omega_rel_lim = 0.05
self._loop_bw = 2*scipy.pi/100.0
self.fmin = -1000/self.sample_rate()
self.fmax = 1000/self.sample_rate()
self.receiver = digital.mpsk_receiver_cc(self.arity, 0,
self._loop_bw,
self.fmin, self.fmax,
self.mu, self.gain_mu,
self.omega, self.gain_omega,
self.omega_rel_lim)
self.snr_dB = 15
noise = self.get_noise_voltage(self.snr_dB)
self.fo = 100/self.sample_rate()
self.to = 1.0
self.channel = gr.channel_model(noise, self.fo, self.to)
self.thr = gr.throttle(gr.sizeof_char, self._sample_rate)
self.snk_tx = qtgui.sink_c(fftsize, gr.firdes.WIN_BLACKMAN_hARRIS,
0, self._sample_rate*self.sps,
"Tx", True, True, True, True)
self.snk_rx = qtgui.sink_c(fftsize, gr.firdes.WIN_BLACKMAN_hARRIS,
0, self._sample_rate,
"Rx", True, True, True, True)
self.connect(self.src, self.thr, self.mod, self.channel, self.snk_tx)
self.connect(self.channel, self.rx_rrc, self.receiver, self.snk_rx)
pyTxQt = self.snk_tx.pyqwidget()
pyTx = sip.wrapinstance(pyTxQt, QtGui.QWidget)
pyRxQt = self.snk_rx.pyqwidget()
pyRx = sip.wrapinstance(pyRxQt, QtGui.QWidget)
self.main_box = dialog_box(pyTx, pyRx, self);
self.main_box.show()
def __init__(self,
samples_per_symbol=_def_samples_per_symbol,
excess_bw=_def_excess_bw,
costas_alpha=_def_costas_alpha,
gain_mu=_def_gain_mu,
mu=_def_mu,
omega_relative_limit=_def_omega_relative_limit,
gray_code=_def_gray_code,
verbose=_def_verbose,
log=_def_log):
"""
Hierarchical block for RRC-filtered CQPSK demodulation
The input is the complex modulated signal at baseband.
The output is a stream of floats in [ -3 / -1 / +1 / +3 ]
@param samples_per_symbol: samples per symbol >= 2
@type samples_per_symbol: float
@param excess_bw: Root-raised cosine filter excess bandwidth
@type excess_bw: float
@param costas_alpha: loop filter gain
@type costas_alphas: float
@param gain_mu: for M&M block
@type gain_mu: float
@param mu: for M&M block
@type mu: float
@param omega_relative_limit: for M&M block
@type omega_relative_limit: float
@param gray_code: Tell modulator to Gray code the bits
@type gray_code: bool
@param verbose: Print information about modulator?
@type verbose: bool
@param debug: Print modualtion data to files?
@type debug: bool
"""
gr.hier_block2.__init__(self, "cqpsk_demod",
gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature
gr.io_signature(1, 1, gr.sizeof_float)) # Output signature
self._samples_per_symbol = samples_per_symbol
self._excess_bw = excess_bw
self._costas_alpha = costas_alpha
self._mm_gain_mu = gain_mu
self._mm_mu = mu
self._mm_omega_relative_limit = omega_relative_limit
self._gray_code = gray_code
if samples_per_symbol < 2:
raise TypeError, "sbp must be >= 2, is %d" % samples_per_symbol
arity = pow(2,self.bits_per_symbol())
# Automatic gain control
scale = (1.0/16384.0)
self.pre_scaler = blocks.multiply_const_cc(scale) # scale the signal from full-range to +-1
#self.agc = gr.agc2_cc(0.6e-1, 1e-3, 1, 1, 100)
self.agc = analog.feedforward_agc_cc(16, 2.0)
# RRC data filter
ntaps = 11 * samples_per_symbol
self.rrc_taps = filter.firdes.root_raised_cosine(
1.0, # gain
self._samples_per_symbol, # sampling rate
1.0, # symbol rate
self._excess_bw, # excess bandwidth (roll-off factor)
ntaps)
self.rrc_filter=filter.interp_fir_filter_ccf(1, self.rrc_taps)
if not self._mm_gain_mu:
sbs_to_mm = {2: 0.050, 3: 0.075, 4: 0.11, 5: 0.125, 6: 0.15, 7: 0.15}
self._mm_gain_mu = sbs_to_mm[samples_per_symbol]
self._mm_omega = self._samples_per_symbol
self._mm_gain_omega = .25 * self._mm_gain_mu * self._mm_gain_mu
self._costas_beta = 0.25 * self._costas_alpha * self._costas_alpha
fmin = -0.025
fmax = 0.025
self.receiver=digital.mpsk_receiver_cc(arity, pi/4.0,
2*pi/150,
fmin, fmax,
self._mm_mu, self._mm_gain_mu,
self._mm_omega, self._mm_gain_omega,
self._mm_omega_relative_limit)
self.receiver.set_alpha(self._costas_alpha)
self.receiver.set_beta(self._costas_beta)
# 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) )
if verbose:
self._print_verbage()
if log:
self._setup_logging()
# Connect & Initialize base class
self.connect(self, self.pre_scaler, self.agc, self.rrc_filter, self.receiver,
self.diffdec, self.to_float, self.rescale, self)
def __init__(self):
gr.top_block.__init__(self)
self.qapp = QtGui.QApplication(sys.argv)
self._sample_rate = 2000e3
self.sps = 2
self.excess_bw = 0.35
self.gray_code = digital.mod_codes.GRAY_CODE
fftsize = 2048
self.data = scipy.random.randint(0, 255, 1000)
self.src = blocks.vector_source_b(self.data.tolist(), True)
self.mod = digital.dqpsk_mod(self.gray_code,
samples_per_symbol=self.sps,
excess_bw=self.excess_bw,
verbose=False,
log=False)
self.rrctaps = filter.firdes.root_raised_cosine(
1, self.sps, 1, self.excess_bw, 21)
self.rx_rrc = filter.fir_filter_ccf(1, self.rrctaps)
# Set up the carrier & clock recovery parameters
self.arity = 4
self.mu = 0.5
self.gain_mu = 0.05
self.omega = self.sps
self.gain_omega = .25 * self.gain_mu * self.gain_mu
self.omega_rel_lim = 0.05
self._loop_bw = 2 * scipy.pi / 100.0
self.fmin = -1000 / self.sample_rate()
self.fmax = 1000 / self.sample_rate()
self.receiver = digital.mpsk_receiver_cc(self.arity, 0, self._loop_bw,
self.fmin, self.fmax, self.mu,
self.gain_mu, self.omega,
self.gain_omega,
self.omega_rel_lim)
self.snr_dB = 15
noise = self.get_noise_voltage(self.snr_dB)
self.fo = 100 / self.sample_rate()
self.to = 1.0
self.channel = channels.channel_model(noise, self.fo, self.to)
self.thr = blocks.throttle(gr.sizeof_char, self._sample_rate)
self.snk_tx = qtgui.sink_c(fftsize, filter.firdes.WIN_BLACKMAN_hARRIS,
0, self._sample_rate * self.sps, "Tx", True,
True, True, True)
self.snk_rx = qtgui.sink_c(fftsize, filter.firdes.WIN_BLACKMAN_hARRIS,
0, self._sample_rate, "Rx", True, True,
True, True)
self.connect(self.src, self.thr, self.mod, self.channel, self.snk_tx)
self.connect(self.channel, self.rx_rrc, self.receiver, self.snk_rx)
pyTxQt = self.snk_tx.pyqwidget()
pyTx = sip.wrapinstance(pyTxQt, QtGui.QWidget)
pyRxQt = self.snk_rx.pyqwidget()
pyRx = sip.wrapinstance(pyRxQt, QtGui.QWidget)
self.main_box = dialog_box(pyTx, pyRx, self)
self.main_box.show()
def __init__(self):
gr.top_block.__init__(self, "Tetra Rx Multi")
options = self.get_options()
##################################################
# Variables
##################################################
self.srate_rx = srate_rx = options.sample_rate
self.channels = srate_rx / 25000
self.srate_channel = 36000
self.afc_period = 5
self.afc_gain = 1.
self.afc_channel = options.auto_tune or -1
self.afc_ppm_step = 100
self.debug = options.debug
self.last_pwr = -100000
self.sig_det_period = 1
self.sig_det_bw = sig_det_bw = options.sig_detection_bw or srate_rx
if self.sig_det_bw <= 1.:
self.sig_det_bw *= srate_rx
self.sig_det_threshold = options.sig_detection_threshold
self.sig_det_channels = []
for ch in range(self.channels):
if ch >= self.channels / 2:
ch_ = (self.channels - ch - 1)
else:
ch_ = ch
if (float(ch_) / self.channels * 2) <= (self.sig_det_bw / srate_rx):
self.sig_det_channels.append(ch)
##################################################
# RPC server
##################################################
self.xmlrpc_server = SimpleXMLRPCServer.SimpleXMLRPCServer(
("localhost", options.listen_port), allow_none=True)
self.xmlrpc_server.register_instance(self)
threading.Thread(target=self.xmlrpc_server.serve_forever).start()
##################################################
# Rx Blocks and connections
##################################################
self.src = osmosdr.source( args=options.args )
self.src.set_sample_rate(srate_rx)
self.src.set_center_freq(options.frequency, 0)
self.src.set_freq_corr(options.ppm, 0)
self.src.set_dc_offset_mode(0, 0)
self.src.set_iq_balance_mode(0, 0)
if options.gain is not None:
self.src.set_gain_mode(False, 0)
self.src.set_gain(36, 0)
else:
self.src.set_gain_mode(True, 0)
out_type, dst_path = options.output.split("://", 1)
if out_type == "udp":
dst_ip, dst_port = dst_path.split(':', 1)
self.freq_xlating = freq_xlating_fft_filter_ccc(1, (1, ), 0, srate_rx)
self.channelizer = pfb.channelizer_ccf(
self.channels,
(firdes.root_raised_cosine(1, srate_rx, 18000, 0.35, 1024)),
36./25.,
100)
self.squelch = []
self.digital_mpsk_receiver_cc = []
self.diff_phasor = []
self.complex_to_arg = []
self.multiply_const = []
self.add_const = []
self.float_to_uchar = []
self.map_bits = []
self.unpack_k_bits = []
self.blocks_sink = []
for ch in range(0, self.channels):
squelch = analog.pwr_squelch_cc(0, 0.001, 0, True)
mpsk = digital.mpsk_receiver_cc(
4, math.pi/4, math.pi/100.0, -0.5, 0.5, 0.25, 0.001, 2, 0.001, 0.001)
diff_phasor = digital.diff_phasor_cc()
complex_to_arg = blocks.complex_to_arg(1)
multiply_const = blocks.multiply_const_vff((2./math.pi, ))
add_const = blocks.add_const_vff((1.5, ))
float_to_uchar = blocks.float_to_uchar()
map_bits = digital.map_bb(([3, 2, 0, 1, 3]))
unpack_k_bits = blocks.unpack_k_bits_bb(2)
if out_type == 'udp':
sink = blocks.udp_sink(gr.sizeof_gr_char, dst_ip, int(dst_port)+ch, 1472, True)
elif out_type == 'file':
sink = blocks.file_sink(gr.sizeof_char, dst_path % ch, False)
sink.set_unbuffered(True)
else:
raise ValueError("Invalid output URL '%s'" % options.output)
self.connect((self.channelizer, ch),
(squelch, 0),
(mpsk, 0),
(diff_phasor, 0),
(complex_to_arg, 0),
(multiply_const, 0),
(add_const, 0),
(float_to_uchar, 0),
(map_bits, 0),
(unpack_k_bits, 0),
(sink, 0))
self.squelch.append(squelch)
self.digital_mpsk_receiver_cc.append(mpsk)
self.diff_phasor.append(diff_phasor)
self.complex_to_arg.append(complex_to_arg)
self.multiply_const.append(multiply_const)
self.add_const.append(add_const)
self.float_to_uchar.append(float_to_uchar)
self.map_bits.append(map_bits)
self.unpack_k_bits.append(unpack_k_bits)
self.blocks_sink.append(sink)
self.connect(
(self.src, 0),
(self.freq_xlating, 0),
(self.channelizer, 0))
##################################################
# signal strenght identification
##################################################
self.pwr_probes = []
for ch in range(self.channels):
pwr_probe = analog.probe_avg_mag_sqrd_c(0, 1./self.srate_channel)
self.pwr_probes.append(pwr_probe)
self.connect((self.channelizer, ch), (pwr_probe, 0))
def _sig_det_probe():
while True:
pwr = [self.pwr_probes[ch].level()
for ch in range(self.channels)
if ch in self.sig_det_channels]
pwr = [10 * math.log10(p) for p in pwr if p > 0.]
if not pwr:
continue
pwr = min(pwr) + self.sig_det_threshold
print "Power level for squelch % 5.1f" % pwr
if abs(pwr - self.last_pwr) > (self.sig_det_threshold / 2):
for s in self.squelch:
s.set_threshold(pwr)
self.last_pwr = pwr
time.sleep(self.sig_det_period)
if self.sig_det_threshold is not None:
self._sig_det_probe_thread = threading.Thread(target=_sig_det_probe)
self._sig_det_probe_thread.daemon = True
self._sig_det_probe_thread.start()
##################################################
# AFC blocks and connections
##################################################
self.afc_selector = grc_blks2.selector(
item_size=gr.sizeof_gr_complex,
num_inputs=self.channels,
num_outputs=1,
input_index=0,
output_index=0,
)
self.afc_demod = analog.quadrature_demod_cf(self.srate_channel/(2*math.pi))
samp_afc = self.srate_channel*self.afc_period / 2
self.afc_avg = blocks.moving_average_ff(samp_afc, 1./samp_afc*self.afc_gain)
self.afc_probe = blocks.probe_signal_f()
def _afc_probe():
while True:
time.sleep(self.afc_period)
if self.afc_channel == -1:
continue
err = self.afc_probe.level()
if abs(err) < self.afc_ppm_step:
continue
freq = self.freq_xlating.center_freq + err * self.afc_gain
if self.debug:
print "err: %f\tfreq: %f" % (err, freq, )
self.freq_xlating.set_center_freq(freq)
self._afc_err_thread = threading.Thread(target=_afc_probe)
self._afc_err_thread.daemon = True
self._afc_err_thread.start()
for ch in range(self.channels):
self.connect((self.channelizer, ch), (self.afc_selector, ch))
self.connect(
(self.afc_selector, 0),
(self.afc_demod, 0),
(self.afc_avg, 0),
(self.afc_probe, 0))
if self.afc_channel != -1:
self.afc_selector.set_input_index(self.afc_channel)
def __init__(self):
gr.top_block.__init__(
self, "Downlink from TVAC (This should run all the time)")
Qt.QWidget.__init__(self)
self.setWindowTitle(
"Downlink from TVAC (This should run all the time)")
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", "downlink")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.freq_offset = freq_offset = 0
self.freq = freq = 145.95e6
self.block_len_enc = block_len_enc = 1024 / 8 * 2
self.variable_qtgui_label_0 = variable_qtgui_label_0 = 0
self.variable_constellation_0 = variable_constellation_0 = digital.constellation_calcdist(
([-1, 1]), ([0, 1]), 4, 1).base()
self.samp_rate_factor = samp_rate_factor = 5
self.samp_rate = samp_rate = 250000
self.rgain = rgain = 40
self.real_center_freq = real_center_freq = freq + freq_offset
self.payload = payload = block_len_enc + 4
self.freq_offset_flag = freq_offset_flag = 0
##################################################
# Blocks
##################################################
self._freq_offset_range = Range(-400e3, 400e3, 1.5e3, 0, 200)
self._freq_offset_win = RangeWidget(self._freq_offset_range,
self.set_freq_offset,
'Frequency Offset',
"counter_slider", float)
self.top_grid_layout.addWidget(self._freq_offset_win)
self._variable_qtgui_label_0_tool_bar = Qt.QToolBar(self)
if None:
self._variable_qtgui_label_0_formatter = None
else:
self._variable_qtgui_label_0_formatter = lambda x: str(x)
self._variable_qtgui_label_0_tool_bar.addWidget(
Qt.QLabel("variable_qtgui_label_0" + ": "))
self._variable_qtgui_label_0_label = Qt.QLabel(
str(
self._variable_qtgui_label_0_formatter(
self.variable_qtgui_label_0)))
self._variable_qtgui_label_0_tool_bar.addWidget(
self._variable_qtgui_label_0_label)
self.top_grid_layout.addWidget(self._variable_qtgui_label_0_tool_bar)
self._rgain_range = Range(0, 50, 1, 40, 200)
self._rgain_win = RangeWidget(self._rgain_range, self.set_rgain,
'RX Gain', "counter_slider", float)
self.top_grid_layout.addWidget(self._rgain_win)
self._real_center_freq_tool_bar = Qt.QToolBar(self)
if None:
self._real_center_freq_formatter = None
else:
self._real_center_freq_formatter = lambda x: eng_notation.num_to_str(
x)
self._real_center_freq_tool_bar.addWidget(
Qt.QLabel('Real center freq' + ": "))
self._real_center_freq_label = Qt.QLabel(
str(self._real_center_freq_formatter(self.real_center_freq)))
self._real_center_freq_tool_bar.addWidget(self._real_center_freq_label)
self.top_grid_layout.addWidget(self._real_center_freq_tool_bar)
self.rational_resampler_xxx_1 = filter.rational_resampler_ccc(
interpolation=1,
decimation=5,
taps=None,
fractional_bw=None,
)
self.qtgui_sink_x_0_0_1 = qtgui.sink_c(
4096, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"Vor Sync", #name
True, #plotfreq
True, #plotwaterfall
True, #plottime
True, #plotconst
)
self.qtgui_sink_x_0_0_1.set_update_time(1.0 / 10)
self._qtgui_sink_x_0_0_1_win = sip.wrapinstance(
self.qtgui_sink_x_0_0_1.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_sink_x_0_0_1_win)
self.qtgui_sink_x_0_0_1.enable_rf_freq(False)
self.qtgui_sink_x_0_0 = qtgui.sink_c(
32768, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate * samp_rate_factor, #bw
"Vor Sync", #name
False, #plotfreq
True, #plotwaterfall
True, #plottime
True, #plotconst
)
self.qtgui_sink_x_0_0.set_update_time(1.0 / 10)
self._qtgui_sink_x_0_0_win = sip.wrapinstance(
self.qtgui_sink_x_0_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_sink_x_0_0_win)
self.qtgui_sink_x_0_0.enable_rf_freq(False)
self._freq_offset_flag_range = Range(0, 1, 1, 0, 200)
self._freq_offset_flag_win = RangeWidget(self._freq_offset_flag_range,
self.set_freq_offset_flag,
'Enable flatsat freq',
"counter_slider", float)
self.top_grid_layout.addWidget(self._freq_offset_flag_win)
self.fir_filter_xxx_0 = filter.fir_filter_ccc(samp_rate_factor, (1, ))
self.fir_filter_xxx_0.declare_sample_delay(0)
self.digital_mpsk_receiver_cc_0_0 = digital.mpsk_receiver_cc(
2, 0, cmath.pi / 100.0, -0.05, 0.05, 0.25, 0.05, 4, 4, 0.005)
self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(
variable_constellation_0)
self.ccsds_softbits_msg_to_bytes_b_0 = ccsds.softbits_msg_to_bytes_b()
self.ccsds_randomiser_softbits_0 = ccsds.randomiser_softbits(
0x95, 0xFF)
self.ccsds_mpsk_ambiguity_resolver_f_0 = ccsds.mpsk_ambiguity_resolver_f(
2, '49E0DCC7', 32, 1, 0.8, block_len_enc, 0)
self.ccsds_message_info_0 = ccsds.message_info(
"Block received and sent to Nanolink: ", 20)
self.ccsds_ldpc_decoder_0 = ccsds.ldpc_decoder(
'/tmp/AR4JA_r12_k1024n.a', ccsds.LDPC_SYS_FRONT,
ccsds.LDPC_PUNCT_BACK, 512, tuple(([])))
self.ccsds_blob_msg_sink_b_0 = ccsds.blob_msg_sink_b(256 / 2)
self.blocks_wavfile_source_0 = blocks.wavfile_source(
'/app/input/source.wav', True)
self.blocks_udp_sink_0_1 = blocks.udp_sink(gr.sizeof_char * 1,
'127.0.0.1', 5431, 256,
True)
self.blocks_udp_sink_0_0 = blocks.udp_sink(gr.sizeof_char * 1,
'127.0.0.1', 5433, 1472,
True)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1,
samp_rate, True)
self.blocks_null_sink_1 = blocks.null_sink(gr.sizeof_char * 1)
self.blocks_multiply_xx_0_0 = blocks.multiply_vcc(1)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_message_debug_1_0_0 = blocks.message_debug()
self.blocks_float_to_complex_0 = blocks.float_to_complex(1)
self.blocks_char_to_float_0 = blocks.char_to_float(1, 0.5)
self.blocks_add_const_vxx_0 = blocks.add_const_vff((-1, ))
self.band_pass_filter_0 = filter.fir_filter_ccc(
1,
firdes.complex_band_pass(1, samp_rate * samp_rate_factor, -220e3,
-180e3, 6e3, firdes.WIN_HAMMING, 6.76))
self.analog_sig_source_x_0_0 = analog.sig_source_c(
samp_rate * samp_rate_factor, analog.GR_COS_WAVE, -freq_offset, 1,
0)
self.analog_sig_source_x_0 = analog.sig_source_c(
samp_rate, analog.GR_COS_WAVE, -50000, 1, 0)
self.analog_agc_xx_0 = analog.agc_cc(1e-4, 0.5, 1.0)
self.analog_agc_xx_0.set_max_gain(65536)
##################################################
# Connections
##################################################
self.msg_connect((self.ccsds_blob_msg_sink_b_0, 'out'),
(self.blocks_message_debug_1_0_0, 'print_pdu'))
self.msg_connect((self.ccsds_blob_msg_sink_b_0, 'out'),
(self.ccsds_message_info_0, 'in'))
self.msg_connect((self.ccsds_ldpc_decoder_0, 'out'),
(self.ccsds_softbits_msg_to_bytes_b_0, 'in'))
self.msg_connect((self.ccsds_mpsk_ambiguity_resolver_f_0, 'out'),
(self.ccsds_randomiser_softbits_0, 'in'))
self.msg_connect((self.ccsds_randomiser_softbits_0, 'out'),
(self.ccsds_ldpc_decoder_0, 'in'))
self.connect((self.analog_agc_xx_0, 0),
(self.rational_resampler_xxx_1, 0))
self.connect((self.analog_sig_source_x_0, 0),
(self.blocks_multiply_xx_0, 0))
self.connect((self.analog_sig_source_x_0_0, 0),
(self.blocks_multiply_xx_0_0, 0))
self.connect((self.band_pass_filter_0, 0), (self.fir_filter_xxx_0, 0))
self.connect((self.blocks_add_const_vxx_0, 0),
(self.ccsds_mpsk_ambiguity_resolver_f_0, 0))
self.connect((self.blocks_char_to_float_0, 0),
(self.blocks_add_const_vxx_0, 0))
self.connect((self.blocks_float_to_complex_0, 0),
(self.blocks_throttle_0, 0))
self.connect((self.blocks_multiply_xx_0, 0), (self.analog_agc_xx_0, 0))
self.connect((self.blocks_multiply_xx_0, 0),
(self.qtgui_sink_x_0_0_1, 0))
self.connect((self.blocks_multiply_xx_0_0, 0),
(self.band_pass_filter_0, 0))
self.connect((self.blocks_throttle_0, 0),
(self.blocks_multiply_xx_0_0, 1))
self.connect((self.blocks_throttle_0, 0), (self.qtgui_sink_x_0_0, 0))
self.connect((self.blocks_wavfile_source_0, 0),
(self.blocks_float_to_complex_0, 0))
self.connect((self.blocks_wavfile_source_0, 1),
(self.blocks_float_to_complex_0, 1))
self.connect((self.ccsds_softbits_msg_to_bytes_b_0, 0),
(self.blocks_null_sink_1, 0))
self.connect((self.ccsds_softbits_msg_to_bytes_b_0, 0),
(self.blocks_udp_sink_0_1, 0))
self.connect((self.ccsds_softbits_msg_to_bytes_b_0, 0),
(self.ccsds_blob_msg_sink_b_0, 0))
self.connect((self.digital_constellation_decoder_cb_0, 0),
(self.blocks_char_to_float_0, 0))
self.connect((self.digital_constellation_decoder_cb_0, 0),
(self.blocks_udp_sink_0_0, 0))
self.connect((self.digital_mpsk_receiver_cc_0_0, 0),
(self.digital_constellation_decoder_cb_0, 0))
self.connect((self.fir_filter_xxx_0, 0),
(self.blocks_multiply_xx_0, 1))
self.connect((self.rational_resampler_xxx_1, 0),
(self.digital_mpsk_receiver_cc_0_0, 0))
def __init__(self, rxPort=52002, txPort=52001):
grc_wxgui.top_block_gui.__init__(self, title="Top Block")
##################################################
# Parameters
##################################################
self.rxPort = rxPort
self.txPort = txPort
##################################################
# Variables
##################################################
self.localOscillator = localOscillator = 14070000
self.threshold = threshold = -200
self.samp_rate = samp_rate = 48000
self.rxPhase = rxPhase = .84
self.rxMagnitude = rxMagnitude = 0.854
self.freqFine = freqFine = 0
self.freq = freq = localOscillator
self.bandwidth = bandwidth = 50
##################################################
# Blocks
##################################################
_threshold_sizer = wx.BoxSizer(wx.VERTICAL)
self._threshold_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_threshold_sizer,
value=self.threshold,
callback=self.set_threshold,
label="threshold",
converter=forms.float_converter(),
proportion=0,
)
self._threshold_slider = forms.slider(
parent=self.GetWin(),
sizer=_threshold_sizer,
value=self.threshold,
callback=self.set_threshold,
minimum=-500,
maximum=500,
num_steps=1000,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_threshold_sizer)
self.notebook_0 = self.notebook_0 = wx.Notebook(self.GetWin(), style=wx.NB_TOP)
self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "tuning")
self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "scope")
self.Add(self.notebook_0)
_freqFine_sizer = wx.BoxSizer(wx.VERTICAL)
self._freqFine_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_freqFine_sizer,
value=self.freqFine,
callback=self.set_freqFine,
label="Tuning",
converter=forms.float_converter(),
proportion=0,
)
self._freqFine_slider = forms.slider(
parent=self.GetWin(),
sizer=_freqFine_sizer,
value=self.freqFine,
callback=self.set_freqFine,
minimum=-500,
maximum=500,
num_steps=1000,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_freqFine_sizer)
_freq_sizer = wx.BoxSizer(wx.VERTICAL)
self._freq_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_freq_sizer,
value=self.freq,
callback=self.set_freq,
label="Frequency",
converter=forms.float_converter(),
proportion=0,
)
self._freq_slider = forms.slider(
parent=self.GetWin(),
sizer=_freq_sizer,
value=self.freq,
callback=self.set_freq,
minimum=localOscillator-samp_rate,
maximum=localOscillator+samp_rate,
num_steps=1000,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_freq_sizer)
_bandwidth_sizer = wx.BoxSizer(wx.VERTICAL)
self._bandwidth_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_bandwidth_sizer,
value=self.bandwidth,
callback=self.set_bandwidth,
label="Signal Bandwidth",
converter=forms.float_converter(),
proportion=0,
)
self._bandwidth_slider = forms.slider(
parent=self.GetWin(),
sizer=_bandwidth_sizer,
value=self.bandwidth,
callback=self.set_bandwidth,
minimum=30,
maximum=5000,
num_steps=1000,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_bandwidth_sizer)
self.wxgui_waterfallsink2_0_0_0 = waterfallsink2.waterfall_sink_c(
self.notebook_0.GetPage(1).GetWin(),
baseband_freq=0,
dynamic_range=100,
ref_level=0,
ref_scale=2.0,
sample_rate=125*8,
fft_size=512,
fft_rate=15,
average=False,
avg_alpha=None,
title="Waterfall Plot",
)
self.notebook_0.GetPage(1).Add(self.wxgui_waterfallsink2_0_0_0.win)
self.wxgui_waterfallsink2_0_0 = waterfallsink2.waterfall_sink_c(
self.notebook_0.GetPage(0).GetWin(),
baseband_freq=0,
dynamic_range=100,
ref_level=0,
ref_scale=2.0,
sample_rate=125*8,
fft_size=512,
fft_rate=15,
average=False,
avg_alpha=None,
title="Waterfall Plot",
)
self.notebook_0.GetPage(0).Add(self.wxgui_waterfallsink2_0_0.win)
self.wxgui_waterfallsink2_0 = waterfallsink2.waterfall_sink_c(
self.notebook_0.GetPage(0).GetWin(),
baseband_freq=localOscillator,
dynamic_range=100,
ref_level=0,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=512,
fft_rate=15,
average=False,
avg_alpha=None,
title="Waterfall Plot",
)
self.notebook_0.GetPage(0).Add(self.wxgui_waterfallsink2_0.win)
self.low_pass_filter_0_1 = filter.fir_filter_ccf(samp_rate/125/8, firdes.low_pass(
1, samp_rate, 500, 500, firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_0_0 = filter.interp_fir_filter_ccf(1, firdes.low_pass(
1, samp_rate, 30, 30, firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_0 = filter.fir_filter_ccf(samp_rate/125/8, firdes.low_pass(
1, samp_rate, bandwidth, bandwidth, firdes.WIN_HAMMING, 6.76))
self.digital_mpsk_receiver_cc_0 = digital.mpsk_receiver_cc(2, 0, cmath.pi/100.0, -0.5, 0.5, 0.25, 0.01, 125*8/31.25, 0.001, 0.001)
self.blocks_transcendental_1 = blocks.transcendental("sin", "float")
self.blocks_transcendental_0 = blocks.transcendental("cos", "float")
self.blocks_throttle_0_1 = blocks.throttle(gr.sizeof_float*1, samp_rate)
self.blocks_throttle_0_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char*1, 31.25)
self.blocks_threshold_ff_0 = blocks.threshold_ff(1e-12, 1e-12, 0)
self.blocks_repeat_0 = blocks.repeat(gr.sizeof_float*1, int(samp_rate/31.25))
self.blocks_null_source_1 = blocks.null_source(gr.sizeof_float*1)
self.blocks_null_source_0_0 = blocks.null_source(gr.sizeof_float*1)
self.blocks_null_source_0 = blocks.null_source(gr.sizeof_float*1)
self.blocks_multiply_xx_0_2 = blocks.multiply_vcc(1)
self.blocks_multiply_xx_0_1 = blocks.multiply_vcc(1)
self.blocks_multiply_xx_0_0 = blocks.multiply_vcc(1)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_multiply_const_vxx_2 = blocks.multiply_const_vff((rxMagnitude, ))
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((2, ))
self.blocks_multiply_conjugate_cc_0 = blocks.multiply_conjugate_cc(1)
self.blocks_float_to_complex_1_0 = blocks.float_to_complex(1)
self.blocks_float_to_complex_1 = blocks.float_to_complex(1)
self.blocks_float_to_complex_0_1 = blocks.float_to_complex(1)
self.blocks_float_to_complex_0 = blocks.float_to_complex(1)
self.blocks_float_to_char_0 = blocks.float_to_char(1, 1)
self.blocks_delay_0 = blocks.delay(gr.sizeof_gr_complex*1, 1)
self.blocks_complex_to_real_0 = blocks.complex_to_real(1)
self.blocks_complex_to_float_0 = blocks.complex_to_float(1)
self.blocks_char_to_float_0 = blocks.char_to_float(1, 1)
self.blocks_add_xx_0 = blocks.add_vcc(1)
self.blocks_add_const_vxx_0 = blocks.add_const_vff((-1, ))
self.blks2_tcp_source_0 = grc_blks2.tcp_source(
itemsize=gr.sizeof_char*1,
addr="127.0.0.1",
port=txPort,
server=False,
)
self.blks2_tcp_sink_0 = grc_blks2.tcp_sink(
itemsize=gr.sizeof_char*1,
addr="127.0.0.1",
port=rxPort,
server=False,
)
self.audio_source_0 = audio.source(samp_rate, "", True)
self.audio_sink_0 = audio.sink(samp_rate, "", True)
self.analog_simple_squelch_cc_0 = analog.simple_squelch_cc(threshold, 1)
self.analog_sig_source_x_1 = analog.sig_source_c(samp_rate, analog.GR_COS_WAVE, -freqFine, 1, 0)
self.analog_sig_source_x_0_0 = analog.sig_source_c(samp_rate, analog.GR_COS_WAVE, freq+freqFine-localOscillator, 1, 0)
self.analog_sig_source_x_0 = analog.sig_source_c(samp_rate, analog.GR_SIN_WAVE, -(freq-localOscillator), 1, 0)
self.analog_const_source_x_0 = analog.sig_source_f(0, analog.GR_CONST_WAVE, 0, 0, rxPhase*3.14159/180.0)
self.analog_agc_xx_0 = analog.agc_cc(1e-4, 1.0, 1.0)
self.analog_agc_xx_0.set_max_gain(65536)
##################################################
# Connections
##################################################
self.connect((self.blks2_tcp_source_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.blocks_char_to_float_0, 0))
self.connect((self.blocks_char_to_float_0, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.blocks_add_const_vxx_0, 0))
self.connect((self.blocks_float_to_complex_0, 0), (self.low_pass_filter_0_0, 0))
self.connect((self.blocks_throttle_0_1, 0), (self.blocks_float_to_complex_0, 0))
self.connect((self.analog_sig_source_x_0_0, 0), (self.blocks_multiply_xx_0_0, 1))
self.connect((self.low_pass_filter_0_0, 0), (self.blocks_multiply_xx_0_0, 0))
self.connect((self.blocks_float_to_complex_0_1, 0), (self.blocks_multiply_xx_0_1, 1))
self.connect((self.analog_const_source_x_0, 0), (self.blocks_transcendental_1, 0))
self.connect((self.analog_const_source_x_0, 0), (self.blocks_transcendental_0, 0))
self.connect((self.blocks_transcendental_0, 0), (self.blocks_float_to_complex_0_1, 0))
self.connect((self.blocks_transcendental_1, 0), (self.blocks_float_to_complex_0_1, 1))
self.connect((self.blocks_null_source_0, 0), (self.blocks_float_to_complex_1, 0))
self.connect((self.audio_source_0, 0), (self.blocks_multiply_const_vxx_2, 0))
self.connect((self.blocks_multiply_const_vxx_2, 0), (self.blocks_float_to_complex_1, 1))
self.connect((self.blocks_float_to_complex_1, 0), (self.blocks_multiply_xx_0_1, 0))
self.connect((self.blocks_null_source_0_0, 0), (self.blocks_float_to_complex_1_0, 1))
self.connect((self.audio_source_0, 1), (self.blocks_float_to_complex_1_0, 0))
self.connect((self.blocks_float_to_complex_1_0, 0), (self.blocks_add_xx_0, 0))
self.connect((self.blocks_multiply_xx_0_1, 0), (self.blocks_add_xx_0, 1))
self.connect((self.blocks_add_xx_0, 0), (self.blocks_throttle_0_0, 0))
self.connect((self.blocks_null_source_1, 0), (self.blocks_float_to_complex_0, 1))
self.connect((self.blocks_throttle_0_0, 0), (self.blocks_multiply_xx_0, 0))
self.connect((self.blocks_float_to_char_0, 0), (self.blks2_tcp_sink_0, 0))
self.connect((self.blocks_complex_to_real_0, 0), (self.blocks_threshold_ff_0, 0))
self.connect((self.blocks_threshold_ff_0, 0), (self.blocks_float_to_char_0, 0))
self.connect((self.analog_simple_squelch_cc_0, 0), (self.blocks_complex_to_real_0, 0))
self.connect((self.blocks_multiply_conjugate_cc_0, 0), (self.analog_simple_squelch_cc_0, 0))
self.connect((self.digital_mpsk_receiver_cc_0, 0), (self.blocks_multiply_conjugate_cc_0, 1))
self.connect((self.digital_mpsk_receiver_cc_0, 0), (self.blocks_delay_0, 0))
self.connect((self.analog_sig_source_x_0, 0), (self.blocks_multiply_xx_0, 1))
self.connect((self.blocks_delay_0, 0), (self.blocks_multiply_conjugate_cc_0, 0))
self.connect((self.blocks_repeat_0, 0), (self.blocks_throttle_0_1, 0))
self.connect((self.blocks_add_const_vxx_0, 0), (self.blocks_repeat_0, 0))
self.connect((self.blocks_multiply_xx_0_0, 0), (self.blocks_complex_to_float_0, 0))
self.connect((self.blocks_multiply_xx_0, 0), (self.blocks_multiply_xx_0_2, 0))
self.connect((self.analog_sig_source_x_1, 0), (self.blocks_multiply_xx_0_2, 1))
self.connect((self.blocks_multiply_xx_0_2, 0), (self.low_pass_filter_0, 0))
self.connect((self.blocks_multiply_xx_0, 0), (self.low_pass_filter_0_1, 0))
self.connect((self.low_pass_filter_0_1, 0), (self.wxgui_waterfallsink2_0_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.analog_agc_xx_0, 0))
self.connect((self.analog_agc_xx_0, 0), (self.digital_mpsk_receiver_cc_0, 0))
self.connect((self.analog_agc_xx_0, 0), (self.wxgui_waterfallsink2_0_0_0, 0))
self.connect((self.blocks_complex_to_float_0, 0), (self.audio_sink_0, 1))
self.connect((self.blocks_complex_to_float_0, 1), (self.audio_sink_0, 0))
self.connect((self.blocks_throttle_0_0, 0), (self.wxgui_waterfallsink2_0, 0))
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="JMPXRDS Receiver (based on gr_rds)")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
self._lock = threading.RLock()
##################################################
# Variables
##################################################
self.volume = volume = -3
self.mpx_samp_rate_0 = mpx_samp_rate_0 = 192000
self.mpx_samp_rate = mpx_samp_rate = 192000
self.audio_samp_rate = audio_samp_rate = 96000
##################################################
# Blocks
##################################################
_volume_sizer = wx.BoxSizer(wx.VERTICAL)
self._volume_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_volume_sizer,
value=self.volume,
callback=self.set_volume,
label='Volume',
converter=forms.float_converter(),
proportion=0,
)
self._volume_slider = forms.slider(
parent=self.GetWin(),
sizer=_volume_sizer,
value=self.volume,
callback=self.set_volume,
minimum=-20,
maximum=10,
num_steps=300,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_volume_sizer, 0, 0, 1, 1)
self.nb = self.nb = wx.Notebook(self.GetWin(), style=wx.NB_TOP)
self.nb.AddPage(grc_wxgui.Panel(self.nb), "MPX Plot")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "MPX Waterfall")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "L+R")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "L-R")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "RDS Plot")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "RDS Constelation")
self.GridAdd(self.nb, 1, 0, 1, 1)
self.wxgui_waterfallsink2_0 = waterfallsink2.waterfall_sink_f(
self.nb.GetPage(1).GetWin(),
baseband_freq=0,
dynamic_range=100,
ref_level=0,
ref_scale=2.0,
sample_rate=mpx_samp_rate,
fft_size=512,
fft_rate=15,
average=False,
avg_alpha=None,
title='MPX Waterfall Plot',
)
self.nb.GetPage(1).Add(self.wxgui_waterfallsink2_0.win)
self.wxgui_scopesink2_1 = scopesink2.scope_sink_c(
self.nb.GetPage(5).GetWin(),
title='Scope Plot',
sample_rate=mpx_samp_rate / 4,
v_scale=0.4,
v_offset=0,
t_scale=0,
ac_couple=False,
xy_mode=True,
num_inputs=1,
trig_mode=wxgui.TRIG_MODE_AUTO,
y_axis_label='Counts',
)
self.nb.GetPage(5).Add(self.wxgui_scopesink2_1.win)
self.wxgui_fftsink2_0_0_1 = fftsink2.fft_sink_c(
self.nb.GetPage(0).GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=mpx_samp_rate,
fft_size=1024,
fft_rate=15,
average=True,
avg_alpha=0.8,
title='MPX FFT',
peak_hold=False,
win=window.flattop,
)
self.nb.GetPage(0).Add(self.wxgui_fftsink2_0_0_1.win)
self.wxgui_fftsink2_0_0_0_1_0_1 = fftsink2.fft_sink_c(
self.nb.GetPage(4).GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=mpx_samp_rate/4,
fft_size=1024,
fft_rate=12,
average=False,
avg_alpha=None,
title='RDS',
peak_hold=False,
win=window.blackmanharris,
)
self.nb.GetPage(4).Add(self.wxgui_fftsink2_0_0_0_1_0_1.win)
self.wxgui_fftsink2_0_0_0_1 = fftsink2.fft_sink_f(
self.nb.GetPage(3).GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=mpx_samp_rate,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title='L-R',
peak_hold=False,
win=window.flattop,
)
self.nb.GetPage(3).Add(self.wxgui_fftsink2_0_0_0_1.win)
self.wxgui_fftsink2_0_0_0 = fftsink2.fft_sink_f(
self.nb.GetPage(2).GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=mpx_samp_rate,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title='L+R',
peak_hold=False,
win=window.flattop,
)
self.nb.GetPage(2).Add(self.wxgui_fftsink2_0_0_0.win)
self.wxgui_fftsink2_0_0 = fftsink2.fft_sink_f(
self.nb.GetPage(0).GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=mpx_samp_rate,
fft_size=1024,
fft_rate=15,
average=True,
avg_alpha=0.8,
title='MPX FFT',
peak_hold=False,
win=window.flattop,
)
self.nb.GetPage(0).Add(self.wxgui_fftsink2_0_0.win)
self.root_raised_cosine_filter_0 = filter.fir_filter_ccf(1, firdes.root_raised_cosine(
1, mpx_samp_rate/4, 2375, 1, 100))
self.rational_resampler_xxx_0_0 = filter.rational_resampler_fff(
interpolation=audio_samp_rate,
decimation=mpx_samp_rate,
taps=None,
fractional_bw=0.4,
)
self.rational_resampler_xxx_0 = filter.rational_resampler_fff(
interpolation=audio_samp_rate,
decimation=mpx_samp_rate,
taps=None,
fractional_bw=0.4,
)
self.gr_rds_parser_0 = rds.parser(False, False, 0)
self.gr_rds_panel_0 = rds.rdsPanel(96700000, self.GetWin())
self.Add(self.gr_rds_panel_0.panel)
self.gr_rds_decoder_0 = rds.decoder(False, False)
self.freq_xlating_fir_filter_xxx_2 = filter.freq_xlating_fir_filter_fcf(1, (firdes.low_pass(1.0,mpx_samp_rate,17e3,3e3,firdes.WIN_HAMMING)), 38000, mpx_samp_rate)
self.freq_xlating_fir_filter_xxx_1 = filter.freq_xlating_fir_filter_fcc(4, (firdes.low_pass(1.0,mpx_samp_rate,2.4e3,2e3,firdes.WIN_HAMMING)), 57e3, mpx_samp_rate)
self.fir_filter_xxx_1 = filter.fir_filter_fff(1, (firdes.low_pass(1.0,mpx_samp_rate,17e3,3e3,firdes.WIN_HAMMING)))
self.fir_filter_xxx_1.declare_sample_delay(0)
self.digital_mpsk_receiver_cc_0 = digital.mpsk_receiver_cc(2, 0, 1*cmath.pi/100.0, -0.06, 0.06, 0.5, 0.05, mpx_samp_rate/4/2375.0, 0.001, 0.005)
self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(2)
self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
self.blocks_sub_xx_0 = blocks.sub_ff(1)
self.blocks_multiply_const_vxx_0_0 = blocks.multiply_const_vff((10**(1.*(volume)/10), ))
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((10**(1.*(volume)/10), ))
self.blocks_keep_one_in_n_0 = blocks.keep_one_in_n(gr.sizeof_char*1, 2)
self.blocks_file_source_0 = blocks.file_source(gr.sizeof_float*1, '/tmp/jmpxrds_rtp_client.sock', False)
self.blocks_file_source_0.set_begin_tag(pmt.PMT_NIL)
self.blocks_complex_to_real_0_0 = blocks.complex_to_real(1)
self.blocks_complex_to_real_0 = blocks.complex_to_real(1)
self.blocks_add_xx_0 = blocks.add_vff(1)
self.audio_sink_0 = audio.sink(audio_samp_rate, '', True)
self.analog_frequency_modulator_fc_0 = analog.frequency_modulator_fc(1)
self.analog_fm_deemph_0_0_0 = analog.fm_deemph(fs=mpx_samp_rate, tau=50e-6)
self.analog_fm_deemph_0_0 = analog.fm_deemph(fs=mpx_samp_rate, tau=50e-6)
##################################################
# Connections
##################################################
self.msg_connect((self.gr_rds_decoder_0, 'out'), (self.gr_rds_parser_0, 'in'))
self.msg_connect((self.gr_rds_parser_0, 'out'), (self.gr_rds_panel_0, 'in'))
self.connect((self.analog_fm_deemph_0_0, 0), (self.blocks_multiply_const_vxx_0_0, 0))
self.connect((self.analog_fm_deemph_0_0_0, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self.analog_frequency_modulator_fc_0, 0), (self.wxgui_fftsink2_0_0_1, 0))
self.connect((self.blocks_add_xx_0, 0), (self.analog_fm_deemph_0_0_0, 0))
self.connect((self.blocks_complex_to_real_0, 0), (self.blocks_add_xx_0, 1))
self.connect((self.blocks_complex_to_real_0, 0), (self.blocks_sub_xx_0, 1))
self.connect((self.blocks_complex_to_real_0, 0), (self.wxgui_fftsink2_0_0_0_1, 0))
self.connect((self.blocks_complex_to_real_0_0, 0), (self.digital_binary_slicer_fb_0, 0))
self.connect((self.blocks_file_source_0, 0), (self.analog_frequency_modulator_fc_0, 0))
self.connect((self.blocks_file_source_0, 0), (self.fir_filter_xxx_1, 0))
self.connect((self.blocks_file_source_0, 0), (self.freq_xlating_fir_filter_xxx_1, 0))
self.connect((self.blocks_file_source_0, 0), (self.freq_xlating_fir_filter_xxx_2, 0))
self.connect((self.blocks_file_source_0, 0), (self.wxgui_fftsink2_0_0, 0))
self.connect((self.blocks_file_source_0, 0), (self.wxgui_waterfallsink2_0, 0))
self.connect((self.blocks_keep_one_in_n_0, 0), (self.digital_diff_decoder_bb_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.rational_resampler_xxx_0, 0))
self.connect((self.blocks_multiply_const_vxx_0_0, 0), (self.rational_resampler_xxx_0_0, 0))
self.connect((self.blocks_sub_xx_0, 0), (self.analog_fm_deemph_0_0, 0))
self.connect((self.digital_binary_slicer_fb_0, 0), (self.blocks_keep_one_in_n_0, 0))
self.connect((self.digital_diff_decoder_bb_0, 0), (self.gr_rds_decoder_0, 0))
self.connect((self.digital_mpsk_receiver_cc_0, 0), (self.blocks_complex_to_real_0_0, 0))
self.connect((self.digital_mpsk_receiver_cc_0, 0), (self.wxgui_scopesink2_1, 0))
self.connect((self.fir_filter_xxx_1, 0), (self.blocks_add_xx_0, 0))
self.connect((self.fir_filter_xxx_1, 0), (self.blocks_sub_xx_0, 0))
self.connect((self.fir_filter_xxx_1, 0), (self.wxgui_fftsink2_0_0_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_1, 0), (self.root_raised_cosine_filter_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_1, 0), (self.wxgui_fftsink2_0_0_0_1_0_1, 0))
self.connect((self.freq_xlating_fir_filter_xxx_2, 0), (self.blocks_complex_to_real_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.audio_sink_0, 0))
self.connect((self.rational_resampler_xxx_0_0, 0), (self.audio_sink_0, 1))
self.connect((self.root_raised_cosine_filter_0, 0), (self.digital_mpsk_receiver_cc_0, 0))
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Stereo FM receiver and RDS Decoder")
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 1000000
self.bb_decim = bb_decim = 4
self.freq_offset = freq_offset = 250000
self.freq = freq = 106.1e6
self.baseband_rate = baseband_rate = samp_rate/bb_decim
self.audio_decim = audio_decim = 5
self.xlate_bandwidth = xlate_bandwidth = 100000
self.volume = volume = 0
self.gain = gain = 37.6
self.freq_tune = freq_tune = freq - freq_offset
self.audio_rate = audio_rate = 48000
self.audio_decim_rate = audio_decim_rate = baseband_rate/audio_decim
##################################################
# Blocks
##################################################
_volume_sizer = wx.BoxSizer(wx.VERTICAL)
self._volume_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_volume_sizer,
value=self.volume,
callback=self.set_volume,
label="Volume",
converter=forms.float_converter(),
proportion=0,
)
self._volume_slider = forms.slider(
parent=self.GetWin(),
sizer=_volume_sizer,
value=self.volume,
callback=self.set_volume,
minimum=-20,
maximum=10,
num_steps=300,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_volume_sizer, 0, 1, 1, 1)
self.nb = self.nb = wx.Notebook(self.GetWin(), style=wx.NB_TOP)
self.nb.AddPage(grc_wxgui.Panel(self.nb), "BB")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "Demod")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "L+R")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "Pilot")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "DSBSC")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "RDS")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "L-R")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "RDS constellation")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "Waterfall")
self.GridAdd(self.nb, 2, 0, 1, 2)
_gain_sizer = wx.BoxSizer(wx.VERTICAL)
self._gain_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_gain_sizer,
value=self.gain,
callback=self.set_gain,
label="RF Gain",
converter=forms.float_converter(),
proportion=0,
)
self._gain_slider = forms.slider(
parent=self.GetWin(),
sizer=_gain_sizer,
value=self.gain,
callback=self.set_gain,
minimum=0,
maximum=49.6,
num_steps=124,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_gain_sizer, 0, 0, 1, 1)
_freq_sizer = wx.BoxSizer(wx.VERTICAL)
self._freq_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_freq_sizer,
value=self.freq,
callback=self.set_freq,
label="Freq",
converter=forms.float_converter(),
proportion=0,
)
self._freq_slider = forms.slider(
parent=self.GetWin(),
sizer=_freq_sizer,
value=self.freq,
callback=self.set_freq,
minimum=88.1e6,
maximum=107.9e6,
num_steps=99,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_freq_sizer, 1, 0, 1, 2)
self.wxgui_waterfallsink2_0 = waterfallsink2.waterfall_sink_f(
self.nb.GetPage(8).GetWin(),
baseband_freq=0,
dynamic_range=100,
ref_level=0,
ref_scale=2.0,
sample_rate=baseband_rate,
fft_size=512,
fft_rate=15,
average=False,
avg_alpha=None,
title="Waterfall Plot",
)
self.nb.GetPage(8).Add(self.wxgui_waterfallsink2_0.win)
self.wxgui_scopesink2_1 = scopesink2.scope_sink_c(
self.nb.GetPage(7).GetWin(),
title="Scope Plot",
sample_rate=2375,
v_scale=0.4,
v_offset=0,
t_scale=0,
ac_couple=False,
xy_mode=True,
num_inputs=1,
trig_mode=wxgui.TRIG_MODE_AUTO,
y_axis_label="Counts",
)
self.nb.GetPage(7).Add(self.wxgui_scopesink2_1.win)
self.wxgui_scopesink2_0 = scopesink2.scope_sink_f(
self.nb.GetPage(3).GetWin(),
title="Pilot",
sample_rate=baseband_rate,
v_scale=0,
v_offset=0,
t_scale=0,
ac_couple=False,
xy_mode=False,
num_inputs=1,
trig_mode=wxgui.TRIG_MODE_AUTO,
y_axis_label="Counts",
)
self.nb.GetPage(3).Add(self.wxgui_scopesink2_0.win)
self.wxgui_fftsink2_0_0_0_1_0_1 = fftsink2.fft_sink_c(
self.nb.GetPage(5).GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=audio_rate,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title="RDS",
peak_hold=False,
)
self.nb.GetPage(5).Add(self.wxgui_fftsink2_0_0_0_1_0_1.win)
self.wxgui_fftsink2_0_0_0_1_0_0 = fftsink2.fft_sink_f(
self.nb.GetPage(6).GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=-50,
ref_scale=2.0,
sample_rate=baseband_rate,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title="L-R",
peak_hold=False,
)
self.nb.GetPage(6).Add(self.wxgui_fftsink2_0_0_0_1_0_0.win)
self.wxgui_fftsink2_0_0_0_1 = fftsink2.fft_sink_f(
self.nb.GetPage(4).GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=baseband_rate,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title="DSBSC Sub-carrier",
peak_hold=False,
)
self.nb.GetPage(4).Add(self.wxgui_fftsink2_0_0_0_1.win)
self.wxgui_fftsink2_0_0_0 = fftsink2.fft_sink_f(
self.nb.GetPage(2).GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=audio_decim_rate,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title="L+R",
peak_hold=False,
)
self.nb.GetPage(2).Add(self.wxgui_fftsink2_0_0_0.win)
self.wxgui_fftsink2_0_0 = fftsink2.fft_sink_f(
self.nb.GetPage(1).GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=baseband_rate,
fft_size=1024,
fft_rate=15,
average=True,
avg_alpha=0.8,
title="FM Demod",
peak_hold=False,
)
self.nb.GetPage(1).Add(self.wxgui_fftsink2_0_0.win)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.nb.GetPage(0).GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=-30,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=1024,
fft_rate=15,
average=True,
avg_alpha=0.8,
title="Baseband",
peak_hold=False,
)
self.nb.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(freq_tune, 0)
self.rtlsdr_source_0.set_freq_corr(0, 0)
self.rtlsdr_source_0.set_dc_offset_mode(0, 0)
self.rtlsdr_source_0.set_iq_balance_mode(0, 0)
self.rtlsdr_source_0.set_gain_mode(False, 0)
self.rtlsdr_source_0.set_gain(gain, 0)
self.rtlsdr_source_0.set_if_gain(20, 0)
self.rtlsdr_source_0.set_bb_gain(20, 0)
self.rtlsdr_source_0.set_antenna("", 0)
self.rtlsdr_source_0.set_bandwidth(0, 0)
self.root_raised_cosine_filter_0 = filter.fir_filter_ccf(1, firdes.root_raised_cosine(
1, samp_rate/bb_decim/audio_decim, 2375, 1, 100))
self.rational_resampler_xxx_0_0 = filter.rational_resampler_fff(
interpolation=audio_rate,
decimation=audio_decim_rate,
taps=None,
fractional_bw=None,
)
self.rational_resampler_xxx_0 = filter.rational_resampler_fff(
interpolation=audio_rate,
decimation=audio_decim_rate,
taps=None,
fractional_bw=None,
)
self.gr_rds_parser_0 = rds.parser(False, True)
self.gr_rds_panel_0 = rds.rdsPanel(freq, self.GetWin())
self.Add(self.gr_rds_panel_0.panel)
self.gr_rds_decoder_0 = rds.decoder(False, False)
self.freq_xlating_fir_filter_xxx_1 = filter.freq_xlating_fir_filter_fcc(audio_decim, (firdes.low_pass(2500.0,baseband_rate,2.4e3,2e3,firdes.WIN_HAMMING)), 57e3, baseband_rate)
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(1, (firdes.low_pass(1, samp_rate, xlate_bandwidth, 100000)), freq_offset, samp_rate)
self.fir_filter_xxx_5 = filter.fir_filter_fff(audio_decim, (firdes.low_pass(1.0,baseband_rate,20e3,40e3,firdes.WIN_HAMMING)))
self.fir_filter_xxx_5.declare_sample_delay(0)
self.fir_filter_xxx_3 = filter.fir_filter_fff(1, (firdes.band_pass(1.0,baseband_rate,38e3-13e3,38e3+13e3,3e3,firdes.WIN_HAMMING)))
self.fir_filter_xxx_3.declare_sample_delay(0)
self.fir_filter_xxx_2 = filter.fir_filter_fcc(1, (firdes.complex_band_pass(1.0,baseband_rate,19e3-500,19e3+500,1e3,firdes.WIN_HAMMING)))
self.fir_filter_xxx_2.declare_sample_delay(0)
self.fir_filter_xxx_1 = filter.fir_filter_fff(audio_decim, (firdes.low_pass(1.0,baseband_rate,13e3,3e3,firdes.WIN_HAMMING)))
self.fir_filter_xxx_1.declare_sample_delay(0)
self.digital_mpsk_receiver_cc_0 = digital.mpsk_receiver_cc(2, 0, 1*cmath.pi/100.0, -0.06, 0.06, 0.5, 0.05, samp_rate/bb_decim/audio_decim/ 2375.0, 0.001, 0.005)
self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(2)
self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
self.blocks_sub_xx_0 = blocks.sub_ff(1)
self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_float*1)
self.blocks_multiply_xx_1 = blocks.multiply_vcc(1)
self.blocks_multiply_xx_0 = blocks.multiply_vff(1)
self.blocks_multiply_const_vxx_0_0 = blocks.multiply_const_vff((10**(1.*(volume+15)/10), ))
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((10**(1.*(volume+15)/10), ))
self.blocks_keep_one_in_n_0 = blocks.keep_one_in_n(gr.sizeof_char*1, 2)
self.blocks_complex_to_real_0 = blocks.complex_to_real(1)
self.blocks_complex_to_imag_0 = blocks.complex_to_imag(1)
self.blocks_add_xx_0 = blocks.add_vff(1)
self.analog_wfm_rcv_0 = analog.wfm_rcv(
quad_rate=samp_rate,
audio_decimation=bb_decim,
)
self.analog_pll_refout_cc_0 = analog.pll_refout_cc(0.001, 2 * math.pi * (19000+200) / baseband_rate, 2 * math.pi * (19000-200) / baseband_rate)
self.analog_fm_deemph_0_0_0 = analog.fm_deemph(fs=audio_decim_rate, tau=75e-6)
self.analog_fm_deemph_0_0 = analog.fm_deemph(fs=audio_decim_rate, tau=75e-6)
##################################################
# Connections
##################################################
self.connect((self.fir_filter_xxx_1, 0), (self.wxgui_fftsink2_0_0_0, 0))
self.connect((self.fir_filter_xxx_1, 0), (self.blocks_add_xx_0, 0))
self.connect((self.fir_filter_xxx_3, 0), (self.wxgui_fftsink2_0_0_0_1, 0))
self.connect((self.fir_filter_xxx_1, 0), (self.blocks_sub_xx_0, 0))
self.connect((self.blocks_multiply_xx_0, 0), (self.fir_filter_xxx_5, 0))
self.connect((self.analog_fm_deemph_0_0_0, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self.blocks_add_xx_0, 0), (self.analog_fm_deemph_0_0_0, 0))
self.connect((self.blocks_sub_xx_0, 0), (self.analog_fm_deemph_0_0, 0))
self.connect((self.blocks_multiply_xx_0, 0), (self.wxgui_fftsink2_0_0_0_1_0_0, 0))
self.connect((self.fir_filter_xxx_5, 0), (self.blocks_add_xx_0, 1))
self.connect((self.fir_filter_xxx_5, 0), (self.blocks_sub_xx_0, 1))
self.connect((self.fir_filter_xxx_3, 0), (self.blocks_multiply_xx_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.rational_resampler_xxx_0, 0))
self.connect((self.analog_fm_deemph_0_0, 0), (self.blocks_multiply_const_vxx_0_0, 0))
self.connect((self.blocks_multiply_const_vxx_0_0, 0), (self.rational_resampler_xxx_0_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.analog_wfm_rcv_0, 0))
self.connect((self.analog_wfm_rcv_0, 0), (self.fir_filter_xxx_1, 0))
self.connect((self.analog_wfm_rcv_0, 0), (self.wxgui_waterfallsink2_0, 0))
self.connect((self.analog_wfm_rcv_0, 0), (self.wxgui_fftsink2_0_0, 0))
self.connect((self.analog_wfm_rcv_0, 0), (self.fir_filter_xxx_3, 0))
self.connect((self.analog_wfm_rcv_0, 0), (self.fir_filter_xxx_2, 0))
self.connect((self.fir_filter_xxx_2, 0), (self.analog_pll_refout_cc_0, 0))
self.connect((self.analog_pll_refout_cc_0, 0), (self.blocks_multiply_xx_1, 1))
self.connect((self.analog_pll_refout_cc_0, 0), (self.blocks_multiply_xx_1, 0))
self.connect((self.blocks_multiply_xx_1, 0), (self.blocks_complex_to_imag_0, 0))
self.connect((self.blocks_complex_to_imag_0, 0), (self.wxgui_scopesink2_0, 0))
self.connect((self.blocks_complex_to_imag_0, 0), (self.blocks_multiply_xx_0, 1))
self.connect((self.analog_wfm_rcv_0, 0), (self.freq_xlating_fir_filter_xxx_1, 0))
self.connect((self.freq_xlating_fir_filter_xxx_1, 0), (self.wxgui_fftsink2_0_0_0_1_0_1, 0))
self.connect((self.digital_mpsk_receiver_cc_0, 0), (self.wxgui_scopesink2_1, 0))
self.connect((self.freq_xlating_fir_filter_xxx_1, 0), (self.root_raised_cosine_filter_0, 0))
self.connect((self.root_raised_cosine_filter_0, 0), (self.digital_mpsk_receiver_cc_0, 0))
self.connect((self.digital_mpsk_receiver_cc_0, 0), (self.blocks_complex_to_real_0, 0))
self.connect((self.digital_binary_slicer_fb_0, 0), (self.blocks_keep_one_in_n_0, 0))
self.connect((self.blocks_complex_to_real_0, 0), (self.digital_binary_slicer_fb_0, 0))
self.connect((self.blocks_keep_one_in_n_0, 0), (self.digital_diff_decoder_bb_0, 0))
self.connect((self.rtlsdr_source_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
self.connect((self.digital_diff_decoder_bb_0, 0), (self.gr_rds_decoder_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.blocks_null_sink_0, 0))
self.connect((self.rational_resampler_xxx_0_0, 0), (self.blocks_null_sink_0, 1))
##################################################
# Asynch Message Connections
##################################################
self.msg_connect(self.gr_rds_decoder_0, "out", self.gr_rds_parser_0, "in")
self.msg_connect(self.gr_rds_parser_0, "out", self.gr_rds_panel_0, "in")
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="FMReceiverSignal")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 2e6
self.bb_decim = bb_decim = 4
self.freq_offset = freq_offset = 200000
self.freq = freq = 99.5e6
self.baseband_rate = baseband_rate = samp_rate/bb_decim
self.audio_decim = audio_decim = 5
self.xlate_bandwidth = xlate_bandwidth = 100000
self.volume = volume = 1
self.gain = gain = 40
self.freq_tune = freq_tune = freq- freq_offset
self.audio_rate = audio_rate = 48000
self.audio_decim_rate = audio_decim_rate = baseband_rate/audio_decim
##################################################
# Blocks
##################################################
_volume_sizer = wx.BoxSizer(wx.VERTICAL)
self._volume_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_volume_sizer,
value=self.volume,
callback=self.set_volume,
label="Volume",
converter=forms.float_converter(),
proportion=0,
)
self._volume_slider = forms.slider(
parent=self.GetWin(),
sizer=_volume_sizer,
value=self.volume,
callback=self.set_volume,
minimum=0,
maximum=10,
num_steps=300,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_volume_sizer, 0, 1, 1, 1)
self.nb = self.nb = wx.Notebook(self.GetWin(), style=wx.NB_TOP)
self.nb.AddPage(grc_wxgui.Panel(self.nb), "Demod")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "BB")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "RDS")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "Waterfall")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "RDS constellation")
self.GridAdd(self.nb, 2, 0, 1, 2)
_gain_sizer = wx.BoxSizer(wx.VERTICAL)
self._gain_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_gain_sizer,
value=self.gain,
callback=self.set_gain,
label="RF Gain",
converter=forms.float_converter(),
proportion=0,
)
self._gain_slider = forms.slider(
parent=self.GetWin(),
sizer=_gain_sizer,
value=self.gain,
callback=self.set_gain,
minimum=0,
maximum=49.6,
num_steps=124,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_gain_sizer, 0, 0, 1, 1)
_freq_sizer = wx.BoxSizer(wx.VERTICAL)
self._freq_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_freq_sizer,
value=self.freq,
callback=self.set_freq,
label="Freq",
converter=forms.float_converter(),
proportion=0,
)
self._freq_slider = forms.slider(
parent=self.GetWin(),
sizer=_freq_sizer,
value=self.freq,
callback=self.set_freq,
minimum=88.1e6,
maximum=107.9e6,
num_steps=99,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_freq_sizer, 1, 0, 1, 2)
self.wxgui_waterfallsink2_0 = waterfallsink2.waterfall_sink_f(
self.nb.GetPage(3).GetWin(),
baseband_freq=0,
dynamic_range=100,
ref_level=0,
ref_scale=2.0,
sample_rate=baseband_rate,
fft_size=512,
fft_rate=15,
average=False,
avg_alpha=None,
title="Waterfall Plot",
)
self.nb.GetPage(3).Add(self.wxgui_waterfallsink2_0.win)
self.wxgui_scopesink2_1 = scopesink2.scope_sink_c(
self.nb.GetPage(4).GetWin(),
title="Scope Plot",
sample_rate=2375,
v_scale=0.4,
v_offset=0,
t_scale=0,
ac_couple=False,
xy_mode=True,
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_0_1_0_1 = 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=audio_rate,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title="RDS",
peak_hold=False,
)
self.nb.GetPage(2).Add(self.wxgui_fftsink2_0_0_0_1_0_1.win)
self.wxgui_fftsink2_0_0 = fftsink2.fft_sink_f(
self.nb.GetPage(0).GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=baseband_rate,
fft_size=1024,
fft_rate=15,
average=True,
avg_alpha=0.8,
title="FM Demod",
peak_hold=False,
)
self.nb.GetPage(0).Add(self.wxgui_fftsink2_0_0.win)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.nb.GetPage(1).GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=-30,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=1024,
fft_rate=15,
average=True,
avg_alpha=0.8,
title="Baseband",
peak_hold=False,
)
self.nb.GetPage(1).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(freq_tune, 0)
self.rtlsdr_source_0.set_freq_corr(0, 0)
self.rtlsdr_source_0.set_dc_offset_mode(0, 0)
self.rtlsdr_source_0.set_iq_balance_mode(0, 0)
self.rtlsdr_source_0.set_gain_mode(False, 0)
self.rtlsdr_source_0.set_gain(gain, 0)
self.rtlsdr_source_0.set_if_gain(20, 0)
self.rtlsdr_source_0.set_bb_gain(20, 0)
self.rtlsdr_source_0.set_antenna("", 0)
self.rtlsdr_source_0.set_bandwidth(0, 0)
self.root_raised_cosine_filter_0 = filter.fir_filter_ccf(1, firdes.root_raised_cosine(
1, samp_rate/bb_decim/audio_decim, 2375, 1, 100))
self.rational_resampler_xxx_1 = filter.rational_resampler_fff(
interpolation=48,
decimation=500,
taps=None,
fractional_bw=None,
)
self.gr_rds_parser_0 = rds.parser(True, False, 1)
self.gr_rds_panel_0 = rds.rdsPanel(freq, self.GetWin())
self.Add(self.gr_rds_panel_0.panel)
self.gr_rds_decoder_0 = rds.decoder(False, False)
self.freq_xlating_fir_filter_xxx_1 = filter.freq_xlating_fir_filter_fcc(audio_decim, (firdes.low_pass(2500.0,baseband_rate,2.4e3,2e3,firdes.WIN_HAMMING)), 57e3, baseband_rate)
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(1, (firdes.low_pass(1, samp_rate, xlate_bandwidth, 100000)), freq_offset, samp_rate)
self.digital_mpsk_receiver_cc_0 = digital.mpsk_receiver_cc(2, 0, 1*cmath.pi/100.0, -0.06, 0.06, 0.5, 0.05, samp_rate/bb_decim/audio_decim/ 2375.0, 0.001, 0.005)
self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(2)
self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
self.blocks_multiply_const_vxx_0_0 = blocks.multiply_const_vff((volume, ))
self.blocks_keep_one_in_n_0 = blocks.keep_one_in_n(gr.sizeof_char*1, 2)
self.blocks_complex_to_real_0 = blocks.complex_to_real(1)
self.audio_sink_0 = audio.sink(48000, "", True)
self.analog_wfm_rcv_0 = analog.wfm_rcv(
quad_rate=samp_rate,
audio_decimation=bb_decim,
)
##################################################
# Connections
##################################################
self.msg_connect((self.gr_rds_decoder_0, 'out'), (self.gr_rds_parser_0, 'in'))
self.msg_connect((self.gr_rds_parser_0, 'out'), (self.gr_rds_panel_0, 'in'))
self.connect((self.analog_wfm_rcv_0, 0), (self.blocks_multiply_const_vxx_0_0, 0))
self.connect((self.analog_wfm_rcv_0, 0), (self.freq_xlating_fir_filter_xxx_1, 0))
self.connect((self.analog_wfm_rcv_0, 0), (self.wxgui_fftsink2_0_0, 0))
self.connect((self.analog_wfm_rcv_0, 0), (self.wxgui_waterfallsink2_0, 0))
self.connect((self.blocks_complex_to_real_0, 0), (self.digital_binary_slicer_fb_0, 0))
self.connect((self.blocks_keep_one_in_n_0, 0), (self.digital_diff_decoder_bb_0, 0))
self.connect((self.blocks_multiply_const_vxx_0_0, 0), (self.rational_resampler_xxx_1, 0))
self.connect((self.digital_binary_slicer_fb_0, 0), (self.blocks_keep_one_in_n_0, 0))
self.connect((self.digital_diff_decoder_bb_0, 0), (self.gr_rds_decoder_0, 0))
self.connect((self.digital_mpsk_receiver_cc_0, 0), (self.blocks_complex_to_real_0, 0))
self.connect((self.digital_mpsk_receiver_cc_0, 0), (self.wxgui_scopesink2_1, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.analog_wfm_rcv_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_1, 0), (self.root_raised_cosine_filter_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_1, 0), (self.wxgui_fftsink2_0_0_0_1_0_1, 0))
self.connect((self.rational_resampler_xxx_1, 0), (self.audio_sink_0, 0))
self.connect((self.root_raised_cosine_filter_0, 0), (self.digital_mpsk_receiver_cc_0, 0))
self.connect((self.rtlsdr_source_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
