def __init__(self, options):
gr.hier_block2.__init__(self, "ais_demod",
gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature
gr.io_signature(1, 1, gr.sizeof_char)) # Output signature
self._samples_per_symbol = options[ "samples_per_symbol" ]
self._bits_per_sec = options[ "bits_per_sec" ]
self._samplerate = self._samples_per_symbol * self._bits_per_sec
self._clockrec_gain = options[ "clockrec_gain" ]
self._omega_relative_limit = options[ "omega_relative_limit" ]
self.fftlen = options[ "fftlen" ]
self.freq_sync = gmsk_sync.square_and_fft_sync_cc(self._samplerate, self._bits_per_sec, self.fftlen)
self.agc = analog.feedforward_agc_cc(512, 2)
self.preamble = [1,1,0,0]*7
self.mod = digital.gmsk_mod(self._samples_per_symbol, 0.4)
self.mod_vector = ais.modulate_vector_bc(self.mod.to_basic_block(), self.preamble, [1])
self.preamble_detect = ais.corr_est_cc(self.mod_vector,
self._samples_per_symbol,
1, #mark delay
0.9) #threshold
self.clockrec = ais.msk_timing_recovery_cc(self._samples_per_symbol,
self._clockrec_gain, #gain
self._omega_relative_limit, #error lim
1) #output sps
sensitivity = (math.pi / 2)
self.demod = analog.quadrature_demod_cf(sensitivity) #param is gain
self.slicer = digital.binary_slicer_fb()
self.diff = digital.diff_decoder_bb(2)
self.invert = ais.invert() #NRZI signal diff decoded and inverted should give original signal
# self.connect(self, self.gmsk_sync)
self.connect(self, self.freq_sync, self.agc, (self.preamble_detect, 0), self.clockrec, self.demod, self.slicer, self.diff, self.invert, self)
def __init__(self, options):
gr.hier_block2.__init__(
self,
"ais_demod",
gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature
gr.io_signature(1, 1, gr.sizeof_char)) # Output signature
self._samples_per_symbol = options["samples_per_symbol"]
self._bits_per_sec = options["bits_per_sec"]
self._samplerate = self._samples_per_symbol * self._bits_per_sec
self._clockrec_gain = options["clockrec_gain"]
self._omega_relative_limit = options["omega_relative_limit"]
self.fftlen = options["fftlen"]
self.freq_sync = ais.square_and_fft_sync_cc(self._samplerate,
self._bits_per_sec,
self.fftlen)
self.agc = analog.feedforward_agc_cc(512, 2)
self.preamble = [1, 1, 0, 0] * 7
self.mod = digital.gmsk_mod(self._samples_per_symbol, 0.4)
self.mod_vector = digital.modulate_vector_bc(self.mod.to_basic_block(),
self.preamble, [1])
self.preamble_detect = ais.corr_est_cc(
self.mod_vector,
self._samples_per_symbol,
1, #mark delay
0.9) #threshold
self.clockrec = ais.msk_timing_recovery_cc(
self._samples_per_symbol,
self._clockrec_gain, #gain
self._omega_relative_limit, #error lim
1) #output sps
sensitivity = (math.pi / 2)
self.demod = analog.quadrature_demod_cf(sensitivity) #param is gain
self.slicer = digital.binary_slicer_fb()
self.diff = digital.diff_decoder_bb(2)
self.invert = ais.invert(
) #NRZI signal diff decoded and inverted should give original signal
# self.connect(self, self.gmsk_sync)
self.connect(self, self.freq_sync, self.agc, (self.preamble_detect, 0),
self.clockrec, self.demod, self.slicer, self.diff,
self.invert, self)
def __init__(self):
gr.top_block.__init__(self, "Uhd Ais 3")
Qt.QWidget.__init__(self)
self.setWindowTitle("Uhd Ais 3")
qtgui.util.check_set_qss()
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "uhd_ais_3")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 250e3
self.decim = decim = 5
self.baud = baud = 9600
self.samp_per_sym = samp_per_sym = (samp_rate / decim / 50 * 48) / baud
self.rx_gain = rx_gain = 45
self.fsk_deviation = fsk_deviation = 10e3
self.freq = freq = 162e6
##################################################
# Blocks
##################################################
self._rx_gain_tool_bar = Qt.QToolBar(self)
self._rx_gain_tool_bar.addWidget(Qt.QLabel("rx_gain" + ": "))
self._rx_gain_line_edit = Qt.QLineEdit(str(self.rx_gain))
self._rx_gain_tool_bar.addWidget(self._rx_gain_line_edit)
self._rx_gain_line_edit.returnPressed.connect(lambda: self.set_rx_gain(
eng_notation.str_to_num(
str(self._rx_gain_line_edit.text().toAscii()))))
self.top_grid_layout.addWidget(self._rx_gain_tool_bar, 8, 0, 1, 2)
self.rational_resampler_xxx_0_0 = filter.rational_resampler_fff(
interpolation=48,
decimation=50,
taps=None,
fractional_bw=None,
)
self.rational_resampler_xxx_0 = filter.rational_resampler_fff(
interpolation=48,
decimation=50,
taps=None,
fractional_bw=None,
)
self.qtgui_waterfall_sink_x_0_0 = qtgui.waterfall_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"AIS-B", #name
1 #number of inputs
)
self.qtgui_waterfall_sink_x_0_0.set_update_time(0.010)
self.qtgui_waterfall_sink_x_0_0.enable_grid(True)
self.qtgui_waterfall_sink_x_0_0.enable_axis_labels(True)
if not True:
self.qtgui_waterfall_sink_x_0_0.disable_legend()
if "complex" == "float" or "complex" == "msg_float":
self.qtgui_waterfall_sink_x_0_0.set_plot_pos_half(not True)
labels = ['', '', '', '', '', '', '', '', '', '']
colors = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_waterfall_sink_x_0_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_waterfall_sink_x_0_0.set_line_label(i, labels[i])
self.qtgui_waterfall_sink_x_0_0.set_color_map(i, colors[i])
self.qtgui_waterfall_sink_x_0_0.set_line_alpha(i, alphas[i])
self.qtgui_waterfall_sink_x_0_0.set_intensity_range(-60, 10)
self._qtgui_waterfall_sink_x_0_0_win = sip.wrapinstance(
self.qtgui_waterfall_sink_x_0_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_waterfall_sink_x_0_0_win, 2,
4, 2, 4)
self.qtgui_waterfall_sink_x_0 = qtgui.waterfall_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"AIS-A", #name
1 #number of inputs
)
self.qtgui_waterfall_sink_x_0.set_update_time(0.010)
self.qtgui_waterfall_sink_x_0.enable_grid(True)
self.qtgui_waterfall_sink_x_0.enable_axis_labels(True)
if not True:
self.qtgui_waterfall_sink_x_0.disable_legend()
if "complex" == "float" or "complex" == "msg_float":
self.qtgui_waterfall_sink_x_0.set_plot_pos_half(not True)
labels = ['', '', '', '', '', '', '', '', '', '']
colors = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_waterfall_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_waterfall_sink_x_0.set_line_label(i, labels[i])
self.qtgui_waterfall_sink_x_0.set_color_map(i, colors[i])
self.qtgui_waterfall_sink_x_0.set_line_alpha(i, alphas[i])
self.qtgui_waterfall_sink_x_0.set_intensity_range(-60, 10)
self._qtgui_waterfall_sink_x_0_win = sip.wrapinstance(
self.qtgui_waterfall_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_waterfall_sink_x_0_win, 0,
4, 2, 4)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
2048, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate / decim, #bw
"AIS", #name
2 #number of inputs
)
self.qtgui_freq_sink_x_0.set_update_time(0.01)
self.qtgui_freq_sink_x_0.set_y_axis(-60, 10)
self.qtgui_freq_sink_x_0.set_y_label('Relative Gain', 'dB')
self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0,
"")
self.qtgui_freq_sink_x_0.enable_autoscale(False)
self.qtgui_freq_sink_x_0.enable_grid(True)
self.qtgui_freq_sink_x_0.set_fft_average(1.0)
self.qtgui_freq_sink_x_0.enable_axis_labels(True)
self.qtgui_freq_sink_x_0.enable_control_panel(False)
if not True:
self.qtgui_freq_sink_x_0.disable_legend()
if "complex" == "float" or "complex" == "msg_float":
self.qtgui_freq_sink_x_0.set_plot_pos_half(not True)
labels = ['', '', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"green", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "dark blue"
]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(2):
if len(labels[i]) == 0:
self.qtgui_freq_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_0.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_0.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_0.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_0_win = sip.wrapinstance(
self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win, 0, 0, 4,
4)
self.pyqt_text_output_0_0 = pyqt.text_output()
self._pyqt_text_output_0_0_win = self.pyqt_text_output_0_0
self.top_grid_layout.addWidget(self._pyqt_text_output_0_0_win, 4, 0, 4,
4)
self.pyqt_text_output_0 = pyqt.text_output()
self._pyqt_text_output_0_win = self.pyqt_text_output_0
self.top_grid_layout.addWidget(self._pyqt_text_output_0_win, 4, 4, 4,
4)
self.low_pass_filter_0_0 = filter.fir_filter_ccf(
decim,
firdes.low_pass(1, samp_rate, 7e3, 1e3, firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_0 = filter.fir_filter_ccf(
decim,
firdes.low_pass(1, samp_rate, 7e3, 1e3, firdes.WIN_HAMMING, 6.76))
self.digital_hdlc_deframer_bp_0_0 = digital.hdlc_deframer_bp(11, 1000)
self.digital_hdlc_deframer_bp_0 = digital.hdlc_deframer_bp(11, 1000)
self.digital_diff_decoder_bb_0_0 = digital.diff_decoder_bb(2)
self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(2)
self.digital_clock_recovery_mm_xx_0_0 = digital.clock_recovery_mm_ff(
samp_per_sym * (1 + 0.0), 0.25 * 0.175 * 0.175, 0.5, 0.175, 0.005)
self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff(
samp_per_sym * (1 + 0.0), 0.25 * 0.175 * 0.175, 0.5, 0.175, 0.005)
self.digital_binary_slicer_fb_0_0 = digital.binary_slicer_fb()
self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1,
samp_rate * 4, True)
self.blocks_socket_pdu_0 = blocks.socket_pdu("TCP_SERVER", '', '52001',
10000, False)
self.blocks_multiply_xx_1 = blocks.multiply_vcc(1)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_message_debug_0_1 = blocks.message_debug()
self.blocks_file_source_0 = blocks.file_source(
gr.sizeof_gr_complex * 1,
'/home/zleffke/workspace/captures/ais/ais_20161218_250k_2.32fc',
True)
self.analog_sig_source_x_1 = analog.sig_source_c(
samp_rate, analog.GR_COS_WAVE, 25e3 + 400, 1, 0)
self.analog_sig_source_x_0 = analog.sig_source_c(
samp_rate, analog.GR_COS_WAVE, -25e3 + 400, 1, 0)
self.analog_quadrature_demod_cf_0_0 = analog.quadrature_demod_cf(
(samp_rate / decim) / (2 * math.pi * fsk_deviation / 8.0))
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(
(samp_rate / decim) / (2 * math.pi * fsk_deviation / 8.0))
self.analog_agc2_xx_0_0 = analog.agc2_cc(1e-3, 1e-1, 1.0, 1.0)
self.analog_agc2_xx_0_0.set_max_gain(65536)
self.analog_agc2_xx_0 = analog.agc2_cc(1e-3, 1e-1, 1.0, 1.0)
self.analog_agc2_xx_0.set_max_gain(65536)
self.ais_pdu_to_nmea_0_0 = ais.pdu_to_nmea('B')
self.ais_pdu_to_nmea_0 = ais.pdu_to_nmea('A')
self.ais_invert_0_0 = ais.invert()
self.ais_invert_0 = ais.invert()
##################################################
# Connections
##################################################
self.msg_connect((self.ais_pdu_to_nmea_0, 'out'),
(self.blocks_message_debug_0_1, 'print'))
self.msg_connect((self.ais_pdu_to_nmea_0, 'out'),
(self.blocks_message_debug_0_1, 'print_pdu'))
self.msg_connect((self.ais_pdu_to_nmea_0, 'out'),
(self.blocks_socket_pdu_0, 'pdus'))
self.msg_connect((self.ais_pdu_to_nmea_0, 'out'),
(self.pyqt_text_output_0_0, 'pdus'))
self.msg_connect((self.ais_pdu_to_nmea_0_0, 'out'),
(self.blocks_message_debug_0_1, 'print'))
self.msg_connect((self.ais_pdu_to_nmea_0_0, 'out'),
(self.blocks_message_debug_0_1, 'print_pdu'))
self.msg_connect((self.ais_pdu_to_nmea_0_0, 'out'),
(self.blocks_socket_pdu_0, 'pdus'))
self.msg_connect((self.ais_pdu_to_nmea_0_0, 'out'),
(self.pyqt_text_output_0, 'pdus'))
self.msg_connect((self.digital_hdlc_deframer_bp_0, 'out'),
(self.ais_pdu_to_nmea_0, 'to_nmea'))
self.msg_connect((self.digital_hdlc_deframer_bp_0_0, 'out'),
(self.ais_pdu_to_nmea_0_0, 'to_nmea'))
self.connect((self.ais_invert_0, 0),
(self.digital_hdlc_deframer_bp_0, 0))
self.connect((self.ais_invert_0_0, 0),
(self.digital_hdlc_deframer_bp_0_0, 0))
self.connect((self.analog_agc2_xx_0, 0),
(self.analog_quadrature_demod_cf_0_0, 0))
self.connect((self.analog_agc2_xx_0, 0), (self.qtgui_freq_sink_x_0, 0))
self.connect((self.analog_agc2_xx_0, 0),
(self.qtgui_waterfall_sink_x_0, 0))
self.connect((self.analog_agc2_xx_0_0, 0),
(self.analog_quadrature_demod_cf_0, 0))
self.connect((self.analog_agc2_xx_0_0, 0),
(self.qtgui_freq_sink_x_0, 1))
self.connect((self.analog_agc2_xx_0_0, 0),
(self.qtgui_waterfall_sink_x_0_0, 0))
self.connect((self.analog_quadrature_demod_cf_0, 0),
(self.rational_resampler_xxx_0, 0))
self.connect((self.analog_quadrature_demod_cf_0_0, 0),
(self.rational_resampler_xxx_0_0, 0))
self.connect((self.analog_sig_source_x_0, 0),
(self.blocks_multiply_xx_0, 1))
self.connect((self.analog_sig_source_x_1, 0),
(self.blocks_multiply_xx_1, 0))
self.connect((self.blocks_file_source_0, 0),
(self.blocks_throttle_0, 0))
self.connect((self.blocks_multiply_xx_0, 0),
(self.low_pass_filter_0_0, 0))
self.connect((self.blocks_multiply_xx_1, 0),
(self.low_pass_filter_0, 0))
self.connect((self.blocks_throttle_0, 0),
(self.blocks_multiply_xx_0, 0))
self.connect((self.blocks_throttle_0, 0),
(self.blocks_multiply_xx_1, 1))
self.connect((self.digital_binary_slicer_fb_0, 0),
(self.digital_diff_decoder_bb_0, 0))
self.connect((self.digital_binary_slicer_fb_0_0, 0),
(self.digital_diff_decoder_bb_0_0, 0))
self.connect((self.digital_clock_recovery_mm_xx_0, 0),
(self.digital_binary_slicer_fb_0, 0))
self.connect((self.digital_clock_recovery_mm_xx_0_0, 0),
(self.digital_binary_slicer_fb_0_0, 0))
self.connect((self.digital_diff_decoder_bb_0, 0),
(self.ais_invert_0, 0))
self.connect((self.digital_diff_decoder_bb_0_0, 0),
(self.ais_invert_0_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.analog_agc2_xx_0, 0))
self.connect((self.low_pass_filter_0_0, 0),
(self.analog_agc2_xx_0_0, 0))
self.connect((self.rational_resampler_xxx_0, 0),
(self.digital_clock_recovery_mm_xx_0, 0))
self.connect((self.rational_resampler_xxx_0_0, 0),
(self.digital_clock_recovery_mm_xx_0_0, 0))
def __init__(self, frame_size=32, puncpat='11'):
gr.top_block.__init__(self, "Top Block")
Qt.QWidget.__init__(self)
self.setWindowTitle("Top Block")
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "top_block")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Parameters
##################################################
self.frame_size = frame_size
self.puncpat = puncpat
##################################################
# Variables
##################################################
self.samples_per_symbol = samples_per_symbol = 64
self.rate = rate = 2
self.polys = polys = [79, 109]
self.k = k = 7
self.bitrate = bitrate = 9600
self.samp_rate = samp_rate = samples_per_symbol*bitrate
self.gain = gain = 50
self.dec_cc = dec_cc = fec.cc_decoder.make(frame_size, k, rate, (polys), 0, -1, fec.CC_STREAMING, False)
self.centre_freq = centre_freq = 401e6
self.bandwidth = bandwidth = 200e3
##################################################
# Blocks
##################################################
self._gain_range = Range(0, 100, 1, 50, 200)
self._gain_win = RangeWidget(self._gain_range, self.set_gain, "gain", "counter_slider", float)
self.top_layout.addWidget(self._gain_win)
self.uhd_usrp_source_0 = uhd.usrp_source(
",".join(("", "")),
uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_source_0.set_time_unknown_pps(uhd.time_spec())
self.uhd_usrp_source_0.set_samp_rate(samp_rate)
self.uhd_usrp_source_0.set_center_freq(centre_freq, 0)
self.uhd_usrp_source_0.set_gain(gain, 0)
self.uhd_usrp_source_0.set_bandwidth(bandwidth, 0)
self.show_text_0 = display.show_text()
self._show_text_0_win = sip.wrapinstance(self.show_text_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._show_text_0_win)
self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
2048, #size
bitrate, #samp_rate
"", #name
1 #number of inputs
)
self.qtgui_time_sink_x_0.set_update_time(0.10)
self.qtgui_time_sink_x_0.set_y_axis(-128, 128)
self.qtgui_time_sink_x_0.set_y_label("Amplitude", "")
self.qtgui_time_sink_x_0.enable_tags(-1, True)
self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "")
self.qtgui_time_sink_x_0.enable_autoscale(False)
self.qtgui_time_sink_x_0.enable_grid(False)
self.qtgui_time_sink_x_0.enable_axis_labels(True)
self.qtgui_time_sink_x_0.enable_control_panel(False)
if not True:
self.qtgui_time_sink_x_0.disable_legend()
labels = ["", "", "", "", "",
"", "", "", "", ""]
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ["blue", "red", "green", "black", "cyan",
"magenta", "yellow", "dark red", "dark green", "blue"]
styles = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1,
-1, -1, -1, -1, -1]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_time_sink_x_0.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_time_sink_x_0_win)
self.fosphor_qt_sink_c_0 = fosphor.qt_sink_c()
self.fosphor_qt_sink_c_0.set_fft_window(window.WIN_BLACKMAN_hARRIS)
self.fosphor_qt_sink_c_0.set_frequency_range(0, samp_rate)
self._fosphor_qt_sink_c_0_win = sip.wrapinstance(self.fosphor_qt_sink_c_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._fosphor_qt_sink_c_0_win)
self.fec_extended_decoder_0 = fec.extended_decoder(decoder_obj_list=dec_cc, threading= None, ann=None, puncpat=puncpat, integration_period=10000)
self.digital_map_bb_0 = digital.map_bb(([-1, 1]))
self.digital_gmsk_demod_0 = digital.gmsk_demod(
samples_per_symbol=samples_per_symbol,
gain_mu=0.175,
mu=0.5,
omega_relative_limit=0.005,
freq_error=0.0,
verbose=False,
log=False,
)
self.ccsds_asm_deframer_0 = ccsds.asm_deframer(0,1,False,16)
self.blocks_unpacked_to_packed_xx_0 = blocks.unpacked_to_packed_bb(1, gr.GR_MSB_FIRST)
self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_char*1, "/home/gs-laptop1/GroundStation/GroundStation/GNURadio/Test Files/Simple GMSK Receive/out.bin", False)
self.blocks_file_sink_0.set_unbuffered(False)
self.blocks_char_to_float_0_0 = blocks.char_to_float(1, 1)
self.blocks_char_to_float_0 = blocks.char_to_float(1, 1)
self.analog_pwr_squelch_xx_0 = analog.pwr_squelch_cc(-40, 1e-4, 0, True)
self.ais_invert_0 = ais.invert()
##################################################
# Connections
##################################################
self.connect((self.ais_invert_0, 0), (self.digital_map_bb_0, 0))
self.connect((self.analog_pwr_squelch_xx_0, 0), (self.digital_gmsk_demod_0, 0))
self.connect((self.blocks_char_to_float_0, 0), (self.qtgui_time_sink_x_0, 0))
self.connect((self.blocks_char_to_float_0_0, 0), (self.fec_extended_decoder_0, 0))
self.connect((self.blocks_unpacked_to_packed_xx_0, 0), (self.blocks_char_to_float_0, 0))
self.connect((self.blocks_unpacked_to_packed_xx_0, 0), (self.blocks_file_sink_0, 0))
self.connect((self.ccsds_asm_deframer_0, 0), (self.show_text_0, 0))
self.connect((self.digital_gmsk_demod_0, 0), (self.ais_invert_0, 0))
self.connect((self.digital_map_bb_0, 0), (self.blocks_char_to_float_0_0, 0))
self.connect((self.fec_extended_decoder_0, 0), (self.blocks_unpacked_to_packed_xx_0, 0))
self.connect((self.fec_extended_decoder_0, 0), (self.ccsds_asm_deframer_0, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.analog_pwr_squelch_xx_0, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.fosphor_qt_sink_c_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Modes Uf Rx Sigmf V2")
Qt.QWidget.__init__(self)
self.setWindowTitle("Modes Uf Rx Sigmf V2")
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", "modes_uf_rx_sigmf_v2")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.sps = sps = 2
self.samp_rate = samp_rate = 8000000
self.rrc_taps = rrc_taps = firdes.root_raised_cosine(
1, 1, 0.5, 0.4, 32)
self.rms_alpha = rms_alpha = 1e-6
self.rf_gain = rf_gain = 45
self.qt_thresh = qt_thresh = 110
self.es_thresh = es_thresh = 110
self.det_mult = det_mult = 2
self.det_avg_len = det_avg_len = 20
self.cons_offset = cons_offset = 5
self.burst_length = burst_length = 600
self.bit_thresh = bit_thresh = 5
self.avg_len = avg_len = 20
##################################################
# Blocks
##################################################
self._rms_alpha_tool_bar = Qt.QToolBar(self)
self._rms_alpha_tool_bar.addWidget(Qt.QLabel("rms_alpha" + ": "))
self._rms_alpha_line_edit = Qt.QLineEdit(str(self.rms_alpha))
self._rms_alpha_tool_bar.addWidget(self._rms_alpha_line_edit)
self._rms_alpha_line_edit.returnPressed.connect(
lambda: self.set_rms_alpha(
eng_notation.str_to_num(
str(self._rms_alpha_line_edit.text().toAscii()))))
self.top_grid_layout.addWidget(self._rms_alpha_tool_bar, 6, 3, 1, 1)
for r in range(6, 7):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(3, 4):
self.top_grid_layout.setColumnStretch(c, 1)
self._qt_thresh_tool_bar = Qt.QToolBar(self)
self._qt_thresh_tool_bar.addWidget(Qt.QLabel("qt_thresh" + ": "))
self._qt_thresh_line_edit = Qt.QLineEdit(str(self.qt_thresh))
self._qt_thresh_tool_bar.addWidget(self._qt_thresh_line_edit)
self._qt_thresh_line_edit.returnPressed.connect(
lambda: self.set_qt_thresh(
eng_notation.str_to_num(
str(self._qt_thresh_line_edit.text().toAscii()))))
self.top_grid_layout.addWidget(self._qt_thresh_tool_bar, 0, 2, 1, 2)
for r in range(0, 1):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(2, 4):
self.top_grid_layout.setColumnStretch(c, 1)
self._es_thresh_tool_bar = Qt.QToolBar(self)
self._es_thresh_tool_bar.addWidget(Qt.QLabel('ES Thresh' + ": "))
self._es_thresh_line_edit = Qt.QLineEdit(str(self.es_thresh))
self._es_thresh_tool_bar.addWidget(self._es_thresh_line_edit)
self._es_thresh_line_edit.returnPressed.connect(
lambda: self.set_es_thresh(
eng_notation.str_to_num(
str(self._es_thresh_line_edit.text().toAscii()))))
self.top_grid_layout.addWidget(self._es_thresh_tool_bar, 0, 5, 1, 1)
for r in range(0, 1):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(5, 6):
self.top_grid_layout.setColumnStretch(c, 1)
self._det_mult_tool_bar = Qt.QToolBar(self)
self._det_mult_tool_bar.addWidget(Qt.QLabel("det_mult" + ": "))
self._det_mult_line_edit = Qt.QLineEdit(str(self.det_mult))
self._det_mult_tool_bar.addWidget(self._det_mult_line_edit)
self._det_mult_line_edit.returnPressed.connect(
lambda: self.set_det_mult(
eng_notation.str_to_num(
str(self._det_mult_line_edit.text().toAscii()))))
self.top_grid_layout.addWidget(self._det_mult_tool_bar, 0, 6, 1, 2)
for r in range(0, 1):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(6, 8):
self.top_grid_layout.setColumnStretch(c, 1)
self._det_avg_len_tool_bar = Qt.QToolBar(self)
self._det_avg_len_tool_bar.addWidget(Qt.QLabel("det_avg_len" + ": "))
self._det_avg_len_line_edit = Qt.QLineEdit(str(self.det_avg_len))
self._det_avg_len_tool_bar.addWidget(self._det_avg_len_line_edit)
self._det_avg_len_line_edit.returnPressed.connect(
lambda: self.set_det_avg_len(
int(str(self._det_avg_len_line_edit.text().toAscii()))))
self.top_grid_layout.addWidget(self._det_avg_len_tool_bar, 0, 9, 1, 1)
for r in range(0, 1):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(9, 10):
self.top_grid_layout.setColumnStretch(c, 1)
self._cons_offset_tool_bar = Qt.QToolBar(self)
self._cons_offset_tool_bar.addWidget(Qt.QLabel("cons_offset" + ": "))
self._cons_offset_line_edit = Qt.QLineEdit(str(self.cons_offset))
self._cons_offset_tool_bar.addWidget(self._cons_offset_line_edit)
self._cons_offset_line_edit.returnPressed.connect(
lambda: self.set_cons_offset(
eng_notation.str_to_num(
str(self._cons_offset_line_edit.text().toAscii()))))
self.top_grid_layout.addWidget(self._cons_offset_tool_bar, 0, 8, 1, 1)
for r in range(0, 1):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(8, 9):
self.top_grid_layout.setColumnStretch(c, 1)
self._avg_len_tool_bar = Qt.QToolBar(self)
self._avg_len_tool_bar.addWidget(Qt.QLabel("avg_len" + ": "))
self._avg_len_line_edit = Qt.QLineEdit(str(self.avg_len))
self._avg_len_tool_bar.addWidget(self._avg_len_line_edit)
self._avg_len_line_edit.returnPressed.connect(lambda: self.set_avg_len(
eng_notation.str_to_num(
str(self._avg_len_line_edit.text().toAscii()))))
self.top_grid_layout.addWidget(self._avg_len_tool_bar, 0, 4, 1, 1)
for r in range(0, 1):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(4, 5):
self.top_grid_layout.setColumnStretch(c, 1)
self.vcc_es_tag_to_utc_0 = vcc.es_tag_to_utc(samp_rate)
self.vcc_burst_snr_0 = vcc.burst_snr(25, 2)
self.sigmf_source_0 = gr_sigmf.source(
'/captures/adsb/20210127/MODE-S_2021-01-27T23:43:24.sigmf-data',
"ci16" + ("_le" if sys.byteorder == "little" else "_be"), False)
self._rf_gain_tool_bar = Qt.QToolBar(self)
self._rf_gain_tool_bar.addWidget(Qt.QLabel("rf_gain" + ": "))
self._rf_gain_line_edit = Qt.QLineEdit(str(self.rf_gain))
self._rf_gain_tool_bar.addWidget(self._rf_gain_line_edit)
self._rf_gain_line_edit.returnPressed.connect(lambda: self.set_rf_gain(
eng_notation.str_to_num(
str(self._rf_gain_line_edit.text().toAscii()))))
self.top_grid_layout.addWidget(self._rf_gain_tool_bar, 0, 0, 1, 2)
for r in range(0, 1):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 2):
self.top_grid_layout.setColumnStretch(c, 1)
self.qtgui_time_sink_x_1 = qtgui.time_sink_f(
burst_length / 2, #size
samp_rate, #samp_rate
"", #name
3 #number of inputs
)
self.qtgui_time_sink_x_1.set_update_time(0.010)
self.qtgui_time_sink_x_1.set_y_axis(-5, 20)
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_AUTO,
qtgui.TRIG_SLOPE_POS,
qt_thresh,
1.0 / samp_rate * 100, 0, "")
self.qtgui_time_sink_x_1.enable_autoscale(True)
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(3):
if len(labels[i]) == 0:
self.qtgui_time_sink_x_1.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_1.set_line_label(i, labels[i])
self.qtgui_time_sink_x_1.set_line_width(i, widths[i])
self.qtgui_time_sink_x_1.set_line_color(i, colors[i])
self.qtgui_time_sink_x_1.set_line_style(i, styles[i])
self.qtgui_time_sink_x_1.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_1.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_1_win = sip.wrapinstance(
self.qtgui_time_sink_x_1.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_time_sink_x_1_win, 1, 0, 2,
4)
for r in range(1, 3):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 4):
self.top_grid_layout.setColumnStretch(c, 1)
self.qtgui_time_sink_x_0_1 = qtgui.time_sink_f(
burst_length / 2, #size
samp_rate / 2, #samp_rate
"soft chips", #name
3 #number of inputs
)
self.qtgui_time_sink_x_0_1.set_update_time(0.10)
self.qtgui_time_sink_x_0_1.set_y_axis(-1, 1)
self.qtgui_time_sink_x_0_1.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_0_1.enable_tags(-1, True)
self.qtgui_time_sink_x_0_1.set_trigger_mode(qtgui.TRIG_MODE_TAG,
qtgui.TRIG_SLOPE_POS, 0, 0,
0, "es::event_type")
self.qtgui_time_sink_x_0_1.enable_autoscale(True)
self.qtgui_time_sink_x_0_1.enable_grid(False)
self.qtgui_time_sink_x_0_1.enable_axis_labels(True)
self.qtgui_time_sink_x_0_1.enable_control_panel(False)
self.qtgui_time_sink_x_0_1.enable_stem_plot(False)
if not True:
self.qtgui_time_sink_x_0_1.disable_legend()
labels = ['re', 'abs', 'mag', 'ph', '', '', '', '', '', '']
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, 2, 1, 1, 1, 1, 1, 1, 1, 1]
markers = [0, -1, 0, -1, -1, -1, -1, -1, -1, -1]
alphas = [1, 0.25, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(3):
if len(labels[i]) == 0:
self.qtgui_time_sink_x_0_1.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_0_1.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0_1.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0_1.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0_1.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0_1.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0_1.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_1_win = sip.wrapinstance(
self.qtgui_time_sink_x_0_1.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_1_win, 3, 0,
3, 5)
for r in range(3, 6):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 5):
self.top_grid_layout.setColumnStretch(c, 1)
self.qtgui_time_raster_sink_x_0 = qtgui.time_raster_sink_b(
samp_rate / 2,
20,
56,
([]),
([]),
"",
1,
)
self.qtgui_time_raster_sink_x_0.set_update_time(0.10)
self.qtgui_time_raster_sink_x_0.set_intensity_range(-1, 1)
self.qtgui_time_raster_sink_x_0.enable_grid(False)
self.qtgui_time_raster_sink_x_0.enable_axis_labels(True)
labels = ['', '', '', '', '', '', '', '', '', '']
colors = [1, 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_time_raster_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_time_raster_sink_x_0.set_line_label(i, labels[i])
self.qtgui_time_raster_sink_x_0.set_color_map(i, colors[i])
self.qtgui_time_raster_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_time_raster_sink_x_0_win = sip.wrapinstance(
self.qtgui_time_raster_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_time_raster_sink_x_0_win, 3,
5, 3, 5)
for r in range(3, 6):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(5, 10):
self.top_grid_layout.setColumnStretch(c, 1)
self.qtgui_const_sink_x_0 = qtgui.const_sink_c(
burst_length / 2, #size
"", #name
1 #number of inputs
)
self.qtgui_const_sink_x_0.set_update_time(0.010)
self.qtgui_const_sink_x_0.set_y_axis(-2, 2)
self.qtgui_const_sink_x_0.set_x_axis(-2, 2)
self.qtgui_const_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE,
qtgui.TRIG_SLOPE_POS, 0.0,
0, "")
self.qtgui_const_sink_x_0.enable_autoscale(True)
self.qtgui_const_sink_x_0.enable_grid(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.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_win, 1, 8, 2,
2)
for r in range(1, 3):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(8, 10):
self.top_grid_layout.setColumnStretch(c, 1)
self.pyqt_ctime_plot_0 = pyqt.ctime_plot('')
self._pyqt_ctime_plot_0_win = self.pyqt_ctime_plot_0
self.top_grid_layout.addWidget(self._pyqt_ctime_plot_0_win, 1, 4, 2, 2)
for r in range(1, 3):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(4, 6):
self.top_grid_layout.setColumnStretch(c, 1)
self.pyqt_const_plot_0 = pyqt.const_plot(label='')
self._pyqt_const_plot_0_win = self.pyqt_const_plot_0
self.top_grid_layout.addWidget(self._pyqt_const_plot_0_win, 1, 6, 2, 2)
for r in range(1, 3):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(6, 8):
self.top_grid_layout.setColumnStretch(c, 1)
self.low_pass_filter_0_0 = filter.fir_filter_ccf(
1,
firdes.low_pass(1, samp_rate, 4e6, 250e3, firdes.WIN_BLACKMAN,
6.76))
self.fosphor_glfw_sink_c_0 = fosphor.glfw_sink_c()
self.fosphor_glfw_sink_c_0.set_fft_window(window.WIN_BLACKMAN_hARRIS)
self.fosphor_glfw_sink_c_0.set_frequency_range(0, samp_rate)
self.es_trigger_edge_f_0 = es.trigger_edge_f(es_thresh, burst_length,
burst_length / 3,
gr.sizeof_gr_complex, 300)
self.es_sink_0 = es.sink(1 * [gr.sizeof_gr_complex], 4, 64, 0, 2, 0)
self.es_handler_pdu_0 = es.es_make_handler_pdu(
es.es_handler_print.TYPE_C32)
self.epy_block_1 = epy_block_1.uf_frame_sync(tag_name='sync',
msg_len=112,
samp_rate=samp_rate,
sps=2)
self.epy_block_0_0 = epy_block_0_0.uf_decode(msg_filter='All Messages',
verbose=True)
self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(
2, math.pi / 200, (rrc_taps), 32, 16, 1.1, 1)
self.digital_diff_phasor_cc_0 = digital.diff_phasor_cc()
self.digital_costas_loop_cc_0 = digital.costas_loop_cc(
math.pi / 50, 2, False)
self.digital_correlate_access_code_tag_xx_0_0_1_2_2_0_0_0 = digital.correlate_access_code_tag_bb(
'00011111000111000001', 3, 'sync')
self.digital_binary_slicer_fb_0_0 = digital.binary_slicer_fb()
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1,
samp_rate * 2, True)
self.blocks_sub_xx_2_0 = blocks.sub_ff(1)
self.blocks_sub_xx_0 = blocks.sub_ff(1)
self.blocks_skiphead_0 = blocks.skiphead(gr.sizeof_float * 1, 1)
self.blocks_rms_xx_1 = blocks.rms_cf(rms_alpha)
self.blocks_pdu_to_tagged_stream_1 = blocks.pdu_to_tagged_stream(
blocks.byte_t, 'packet_len')
self.blocks_pdu_to_tagged_stream_0 = blocks.pdu_to_tagged_stream(
blocks.complex_t, 'est_len')
(self.blocks_pdu_to_tagged_stream_0).set_min_output_buffer(600)
self.blocks_pdu_remove_0 = blocks.pdu_remove(
pmt.intern("es::event_buffer"))
self.blocks_multiply_const_xx_0 = blocks.multiply_const_cc(1.0 /
65536.0)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff(
(-1 * det_mult, ))
self.blocks_moving_average_xx_0_0 = blocks.moving_average_ff(
int(det_avg_len), 1.0 / det_avg_len, 4000, 1)
self.blocks_moving_average_xx_0 = blocks.moving_average_ff(
int(avg_len), 1.0 / avg_len, 4000, 1)
self.blocks_interleaved_short_to_complex_0 = blocks.interleaved_short_to_complex(
True, False)
self.blocks_complex_to_real_1_0_0 = blocks.complex_to_real(1)
self.blocks_complex_to_mag_squared_0 = blocks.complex_to_mag_squared(1)
self.blocks_complex_to_arg_0 = blocks.complex_to_arg(1)
self.blocks_char_to_float_0_1 = blocks.char_to_float(1, 1 / 10.0)
self.blocks_add_const_vxx_0 = blocks.add_const_vff((cons_offset, ))
self.blocks_abs_xx_0 = blocks.abs_ff(1)
self._bit_thresh_tool_bar = Qt.QToolBar(self)
self._bit_thresh_tool_bar.addWidget(Qt.QLabel("bit_thresh" + ": "))
self._bit_thresh_line_edit = Qt.QLineEdit(str(self.bit_thresh))
self._bit_thresh_tool_bar.addWidget(self._bit_thresh_line_edit)
self._bit_thresh_line_edit.returnPressed.connect(
lambda: self.set_bit_thresh(
eng_notation.str_to_num(
str(self._bit_thresh_line_edit.text().toAscii()))))
self.top_grid_layout.addWidget(self._bit_thresh_tool_bar, 6, 4, 1, 1)
for r in range(6, 7):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(4, 5):
self.top_grid_layout.setColumnStretch(c, 1)
self.analog_agc2_xx_0 = analog.agc2_cc(1e-1, 1e-2, 1.0, 1.0)
self.analog_agc2_xx_0.set_max_gain(65536)
self.ais_invert_0 = ais.invert()
##################################################
# Connections
##################################################
self.msg_connect((self.blocks_pdu_remove_0, 'pdus'),
(self.vcc_burst_snr_0, 'in'))
self.msg_connect((self.epy_block_0_0, 'out'),
(self.blocks_pdu_to_tagged_stream_1, 'pdus'))
self.msg_connect((self.epy_block_1, 'out'), (self.epy_block_0_0, 'in'))
self.msg_connect((self.es_handler_pdu_0, 'pdus_out'),
(self.blocks_pdu_remove_0, 'pdus'))
self.msg_connect((self.es_trigger_edge_f_0, 'edge_event'),
(self.es_handler_pdu_0, 'handle_event'))
self.msg_connect((self.es_trigger_edge_f_0, 'which_stream'),
(self.es_sink_0, 'schedule_event'))
self.msg_connect((self.vcc_burst_snr_0, 'out'),
(self.vcc_es_tag_to_utc_0, 'in'))
self.msg_connect((self.vcc_es_tag_to_utc_0, 'out'),
(self.blocks_pdu_to_tagged_stream_0, 'pdus'))
self.msg_connect((self.vcc_es_tag_to_utc_0, 'out'),
(self.pyqt_const_plot_0, 'cpdus'))
self.msg_connect((self.vcc_es_tag_to_utc_0, 'out'),
(self.pyqt_ctime_plot_0, 'cpdus'))
self.connect(
(self.ais_invert_0, 0),
(self.digital_correlate_access_code_tag_xx_0_0_1_2_2_0_0_0, 0))
self.connect((self.analog_agc2_xx_0, 0),
(self.blocks_complex_to_arg_0, 0))
self.connect((self.analog_agc2_xx_0, 0),
(self.blocks_complex_to_mag_squared_0, 0))
self.connect((self.analog_agc2_xx_0, 0), (self.es_trigger_edge_f_0, 1))
self.connect((self.analog_agc2_xx_0, 0),
(self.fosphor_glfw_sink_c_0, 0))
self.connect((self.blocks_abs_xx_0, 0),
(self.blocks_moving_average_xx_0_0, 0))
self.connect((self.blocks_add_const_vxx_0, 0),
(self.qtgui_time_sink_x_1, 2))
self.connect((self.blocks_char_to_float_0_1, 0),
(self.qtgui_time_sink_x_0_1, 2))
self.connect((self.blocks_complex_to_arg_0, 0),
(self.blocks_skiphead_0, 0))
self.connect((self.blocks_complex_to_arg_0, 0),
(self.blocks_sub_xx_0, 0))
self.connect((self.blocks_complex_to_arg_0, 0),
(self.qtgui_time_sink_x_1, 1))
self.connect((self.blocks_complex_to_mag_squared_0, 0),
(self.blocks_moving_average_xx_0, 0))
self.connect((self.blocks_complex_to_real_1_0_0, 0),
(self.blocks_sub_xx_2_0, 0))
self.connect((self.blocks_complex_to_real_1_0_0, 0),
(self.qtgui_time_sink_x_0_1, 0))
self.connect((self.blocks_interleaved_short_to_complex_0, 0),
(self.blocks_multiply_const_xx_0, 0))
self.connect((self.blocks_moving_average_xx_0, 0),
(self.es_trigger_edge_f_0, 0))
self.connect((self.blocks_moving_average_xx_0, 0),
(self.qtgui_time_sink_x_1, 0))
self.connect((self.blocks_moving_average_xx_0_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_multiply_const_xx_0, 0),
(self.blocks_throttle_0, 0))
self.connect((self.blocks_pdu_to_tagged_stream_0, 0),
(self.low_pass_filter_0_0, 0))
self.connect((self.blocks_pdu_to_tagged_stream_1, 0),
(self.qtgui_time_raster_sink_x_0, 0))
self.connect((self.blocks_rms_xx_1, 0), (self.blocks_sub_xx_2_0, 1))
self.connect((self.blocks_rms_xx_1, 0),
(self.qtgui_time_sink_x_0_1, 1))
self.connect((self.blocks_skiphead_0, 0), (self.blocks_sub_xx_0, 1))
self.connect((self.blocks_sub_xx_0, 0), (self.blocks_abs_xx_0, 0))
self.connect((self.blocks_sub_xx_2_0, 0),
(self.digital_binary_slicer_fb_0_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.analog_agc2_xx_0, 0))
self.connect((self.digital_binary_slicer_fb_0_0, 0),
(self.ais_invert_0, 0))
self.connect(
(self.digital_correlate_access_code_tag_xx_0_0_1_2_2_0_0_0, 0),
(self.blocks_char_to_float_0_1, 0))
self.connect(
(self.digital_correlate_access_code_tag_xx_0_0_1_2_2_0_0_0, 0),
(self.epy_block_1, 0))
self.connect((self.digital_costas_loop_cc_0, 0),
(self.digital_diff_phasor_cc_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0),
(self.qtgui_const_sink_x_0, 0))
self.connect((self.digital_diff_phasor_cc_0, 0),
(self.blocks_complex_to_real_1_0_0, 0))
self.connect((self.digital_diff_phasor_cc_0, 0),
(self.blocks_rms_xx_1, 0))
self.connect((self.digital_pfb_clock_sync_xxx_0, 0),
(self.digital_costas_loop_cc_0, 0))
self.connect((self.es_trigger_edge_f_0, 0), (self.es_sink_0, 0))
self.connect((self.low_pass_filter_0_0, 0),
(self.digital_pfb_clock_sync_xxx_0, 0))
self.connect((self.sigmf_source_0, 0),
(self.blocks_interleaved_short_to_complex_0, 0))
def __init__(self,
cyborg_version='v0.1.0',
mod_order=2,
mod_scheme='GMSK',
rx_ant_model='COMET SMA703',
rx_db_ser='na',
rx_db_type='na',
rx_ser_tag='30DCE50',
rx_ser_uhd='30DCE50',
rx_type='B200',
signal_name='AIS',
symbol_rate=9600):
gr.top_block.__init__(self, "Ais Sigmf")
Qt.QWidget.__init__(self)
self.setWindowTitle("Ais Sigmf")
qtgui.util.check_set_qss()
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "ais_sigmf")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Parameters
##################################################
self.cyborg_version = cyborg_version
self.mod_order = mod_order
self.mod_scheme = mod_scheme
self.rx_ant_model = rx_ant_model
self.rx_db_ser = rx_db_ser
self.rx_db_type = rx_db_type
self.rx_ser_tag = rx_ser_tag
self.rx_ser_uhd = rx_ser_uhd
self.rx_type = rx_type
self.signal_name = signal_name
self.symbol_rate = symbol_rate
##################################################
# Variables
##################################################
self.ts_str = ts_str = dt.strftime(dt.utcnow(),
"%Y-%m-%dT%H:%M:%S.%fZ")
self.samp_rate = samp_rate = 250e3
self.fn = fn = "{:s}_{:s}".format(signal_name, ts_str)
self.decim = decim = 5
self.baud = baud = 9600
self.tune = tune = 0
self.samp_per_sym = samp_per_sym = (samp_rate / decim / 50 * 48) / baud
self.rx_gain = rx_gain = 55
self.rx_freq = rx_freq = 162e6
self.fsk_deviation = fsk_deviation = 10e3
self.fp = fp = "/home/zleffke/captures/ais/{:s}".format(fn)
##################################################
# Blocks
##################################################
self._tune_tool_bar = Qt.QToolBar(self)
self._tune_tool_bar.addWidget(Qt.QLabel("tune" + ": "))
self._tune_line_edit = Qt.QLineEdit(str(self.tune))
self._tune_tool_bar.addWidget(self._tune_line_edit)
self._tune_line_edit.returnPressed.connect(lambda: self.set_tune(
eng_notation.str_to_num(str(self._tune_line_edit.text().toAscii()))
))
self.top_grid_layout.addWidget(self._tune_tool_bar, 8, 2, 1, 2)
for r in range(8, 9):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(2, 4):
self.top_grid_layout.setColumnStretch(c, 1)
self._rx_gain_tool_bar = Qt.QToolBar(self)
self._rx_gain_tool_bar.addWidget(Qt.QLabel("rx_gain" + ": "))
self._rx_gain_line_edit = Qt.QLineEdit(str(self.rx_gain))
self._rx_gain_tool_bar.addWidget(self._rx_gain_line_edit)
self._rx_gain_line_edit.returnPressed.connect(lambda: self.set_rx_gain(
eng_notation.str_to_num(
str(self._rx_gain_line_edit.text().toAscii()))))
self.top_grid_layout.addWidget(self._rx_gain_tool_bar, 8, 0, 1, 2)
for r in range(8, 9):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 2):
self.top_grid_layout.setColumnStretch(c, 1)
self.uhd_usrp_source_1 = uhd.usrp_source(
",".join(("", "")),
uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_source_1.set_samp_rate(samp_rate)
self.uhd_usrp_source_1.set_time_now(uhd.time_spec(time.time()),
uhd.ALL_MBOARDS)
self.uhd_usrp_source_1.set_center_freq(
uhd.tune_request(rx_freq, samp_rate / 2), 0)
self.uhd_usrp_source_1.set_gain(rx_gain, 0)
self.uhd_usrp_source_1.set_antenna('RX2', 0)
self.uhd_usrp_source_1.set_auto_dc_offset(True, 0)
self.uhd_usrp_source_1.set_auto_iq_balance(True, 0)
self.rational_resampler_xxx_1 = filter.rational_resampler_ccc(
interpolation=1,
decimation=2,
taps=None,
fractional_bw=None,
)
self.rational_resampler_xxx_0_0 = filter.rational_resampler_fff(
interpolation=48,
decimation=50,
taps=None,
fractional_bw=None,
)
self.rational_resampler_xxx_0 = filter.rational_resampler_fff(
interpolation=48,
decimation=50,
taps=None,
fractional_bw=None,
)
self.qtgui_waterfall_sink_x_0_1 = qtgui.waterfall_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
rx_freq, #fc
samp_rate / 2, #bw
"Channel", #name
1 #number of inputs
)
self.qtgui_waterfall_sink_x_0_1.set_update_time(0.010)
self.qtgui_waterfall_sink_x_0_1.enable_grid(True)
self.qtgui_waterfall_sink_x_0_1.enable_axis_labels(True)
if not True:
self.qtgui_waterfall_sink_x_0_1.disable_legend()
if "complex" == "float" or "complex" == "msg_float":
self.qtgui_waterfall_sink_x_0_1.set_plot_pos_half(not True)
labels = ['', '', '', '', '', '', '', '', '', '']
colors = [1, 0, 0, 0, 0, 0, 0, 0, 0, 0]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_waterfall_sink_x_0_1.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_waterfall_sink_x_0_1.set_line_label(i, labels[i])
self.qtgui_waterfall_sink_x_0_1.set_color_map(i, colors[i])
self.qtgui_waterfall_sink_x_0_1.set_line_alpha(i, alphas[i])
self.qtgui_waterfall_sink_x_0_1.set_intensity_range(-140, -40)
self._qtgui_waterfall_sink_x_0_1_win = sip.wrapinstance(
self.qtgui_waterfall_sink_x_0_1.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_waterfall_sink_x_0_1_win, 2,
0, 2, 8)
for r in range(2, 4):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 8):
self.top_grid_layout.setColumnStretch(c, 1)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
2048, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
rx_freq, #fc
samp_rate / 2, #bw
"AIS", #name
1 #number of inputs
)
self.qtgui_freq_sink_x_0.set_update_time(0.01)
self.qtgui_freq_sink_x_0.set_y_axis(-140, -40)
self.qtgui_freq_sink_x_0.set_y_label('Relative Gain', 'dB')
self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0,
"")
self.qtgui_freq_sink_x_0.enable_autoscale(False)
self.qtgui_freq_sink_x_0.enable_grid(True)
self.qtgui_freq_sink_x_0.set_fft_average(1.0)
self.qtgui_freq_sink_x_0.enable_axis_labels(True)
self.qtgui_freq_sink_x_0.enable_control_panel(False)
if not False:
self.qtgui_freq_sink_x_0.disable_legend()
if "complex" == "float" or "complex" == "msg_float":
self.qtgui_freq_sink_x_0.set_plot_pos_half(not True)
labels = ['', '', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"red", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "dark blue"
]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_freq_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_0.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_0.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_0.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_0_win = sip.wrapinstance(
self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win, 0, 0, 2,
8)
for r in range(0, 2):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 8):
self.top_grid_layout.setColumnStretch(c, 1)
self.pyqt_text_output_0_0 = pyqt.text_output()
self._pyqt_text_output_0_0_win = self.pyqt_text_output_0_0
self.top_grid_layout.addWidget(self._pyqt_text_output_0_0_win, 4, 0, 1,
4)
for r in range(4, 5):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 4):
self.top_grid_layout.setColumnStretch(c, 1)
self.pyqt_text_output_0 = pyqt.text_output()
self._pyqt_text_output_0_win = self.pyqt_text_output_0
self.top_grid_layout.addWidget(self._pyqt_text_output_0_win, 4, 4, 1,
4)
for r in range(4, 5):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(4, 8):
self.top_grid_layout.setColumnStretch(c, 1)
self.low_pass_filter_0_0 = filter.fir_filter_ccf(
decim,
firdes.low_pass(1, samp_rate, 7e3, 1e3, firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_0 = filter.fir_filter_ccf(
decim,
firdes.low_pass(1, samp_rate, 7e3, 1e3, firdes.WIN_HAMMING, 6.76))
self.digital_hdlc_deframer_bp_0_0 = digital.hdlc_deframer_bp(11, 1000)
self.digital_hdlc_deframer_bp_0 = digital.hdlc_deframer_bp(11, 1000)
self.digital_diff_decoder_bb_0_0 = digital.diff_decoder_bb(2)
self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(2)
self.digital_clock_recovery_mm_xx_0_0 = digital.clock_recovery_mm_ff(
samp_per_sym * (1 + 0.0), 0.25 * 0.175 * 0.175, 0.5, 0.175, 0.005)
self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff(
samp_per_sym * (1 + 0.0), 0.25 * 0.175 * 0.175, 0.5, 0.175, 0.005)
self.digital_binary_slicer_fb_0_0 = digital.binary_slicer_fb()
self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
self.blocks_socket_pdu_0 = blocks.socket_pdu("TCP_SERVER", '0.0.0.0',
'52001', 10000, False)
self.blocks_multiply_xx_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_message_debug_0_1 = blocks.message_debug()
self.analog_sig_source_x_1 = analog.sig_source_c(
samp_rate, analog.GR_COS_WAVE, 25e3, 1, 0)
self.analog_sig_source_x_0_0 = analog.sig_source_c(
samp_rate, analog.GR_COS_WAVE, tune, 1, 0)
self.analog_sig_source_x_0 = analog.sig_source_c(
samp_rate, analog.GR_COS_WAVE, -25e3, 1, 0)
self.analog_quadrature_demod_cf_0_0 = analog.quadrature_demod_cf(
(samp_rate / decim) / (2 * math.pi * fsk_deviation / 8.0))
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(
(samp_rate / decim) / (2 * math.pi * fsk_deviation / 8.0))
self.analog_agc2_xx_0_0 = analog.agc2_cc(1e-3, 1e-1, 1.0, 1.0)
self.analog_agc2_xx_0_0.set_max_gain(65536)
self.analog_agc2_xx_0 = analog.agc2_cc(1e-3, 1e-1, 1.0, 1.0)
self.analog_agc2_xx_0.set_max_gain(65536)
self.ais_pdu_to_nmea_0_0 = ais.pdu_to_nmea('B')
self.ais_pdu_to_nmea_0 = ais.pdu_to_nmea('A')
self.ais_invert_0_0 = ais.invert()
self.ais_invert_0 = ais.invert()
##################################################
# Connections
##################################################
self.msg_connect((self.ais_pdu_to_nmea_0, 'out'),
(self.blocks_message_debug_0_1, 'print'))
self.msg_connect((self.ais_pdu_to_nmea_0, 'out'),
(self.blocks_message_debug_0_1, 'print_pdu'))
self.msg_connect((self.ais_pdu_to_nmea_0, 'out'),
(self.blocks_socket_pdu_0, 'pdus'))
self.msg_connect((self.ais_pdu_to_nmea_0, 'out'),
(self.pyqt_text_output_0_0, 'pdus'))
self.msg_connect((self.ais_pdu_to_nmea_0_0, 'out'),
(self.blocks_message_debug_0_1, 'print'))
self.msg_connect((self.ais_pdu_to_nmea_0_0, 'out'),
(self.blocks_message_debug_0_1, 'print_pdu'))
self.msg_connect((self.ais_pdu_to_nmea_0_0, 'out'),
(self.blocks_socket_pdu_0, 'pdus'))
self.msg_connect((self.ais_pdu_to_nmea_0_0, 'out'),
(self.pyqt_text_output_0, 'pdus'))
self.msg_connect((self.digital_hdlc_deframer_bp_0, 'out'),
(self.ais_pdu_to_nmea_0, 'to_nmea'))
self.msg_connect((self.digital_hdlc_deframer_bp_0_0, 'out'),
(self.ais_pdu_to_nmea_0_0, 'to_nmea'))
self.connect((self.ais_invert_0, 0),
(self.digital_hdlc_deframer_bp_0, 0))
self.connect((self.ais_invert_0_0, 0),
(self.digital_hdlc_deframer_bp_0_0, 0))
self.connect((self.analog_agc2_xx_0, 0),
(self.analog_quadrature_demod_cf_0, 0))
self.connect((self.analog_agc2_xx_0_0, 0),
(self.analog_quadrature_demod_cf_0_0, 0))
self.connect((self.analog_quadrature_demod_cf_0, 0),
(self.rational_resampler_xxx_0, 0))
self.connect((self.analog_quadrature_demod_cf_0_0, 0),
(self.rational_resampler_xxx_0_0, 0))
self.connect((self.analog_sig_source_x_0, 0),
(self.blocks_multiply_xx_0, 1))
self.connect((self.analog_sig_source_x_0_0, 0),
(self.blocks_multiply_xx_0_0, 1))
self.connect((self.analog_sig_source_x_1, 0),
(self.blocks_multiply_xx_1, 0))
self.connect((self.blocks_multiply_xx_0, 0),
(self.low_pass_filter_0_0, 0))
self.connect((self.blocks_multiply_xx_0_0, 0),
(self.blocks_multiply_xx_0, 0))
self.connect((self.blocks_multiply_xx_0_0, 0),
(self.blocks_multiply_xx_1, 1))
self.connect((self.blocks_multiply_xx_0_0, 0),
(self.rational_resampler_xxx_1, 0))
self.connect((self.blocks_multiply_xx_1, 0),
(self.low_pass_filter_0, 0))
self.connect((self.digital_binary_slicer_fb_0, 0),
(self.digital_diff_decoder_bb_0, 0))
self.connect((self.digital_binary_slicer_fb_0_0, 0),
(self.digital_diff_decoder_bb_0_0, 0))
self.connect((self.digital_clock_recovery_mm_xx_0, 0),
(self.digital_binary_slicer_fb_0, 0))
self.connect((self.digital_clock_recovery_mm_xx_0_0, 0),
(self.digital_binary_slicer_fb_0_0, 0))
self.connect((self.digital_diff_decoder_bb_0, 0),
(self.ais_invert_0, 0))
self.connect((self.digital_diff_decoder_bb_0_0, 0),
(self.ais_invert_0_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.analog_agc2_xx_0, 0))
self.connect((self.low_pass_filter_0_0, 0),
(self.analog_agc2_xx_0_0, 0))
self.connect((self.rational_resampler_xxx_0, 0),
(self.digital_clock_recovery_mm_xx_0, 0))
self.connect((self.rational_resampler_xxx_0_0, 0),
(self.digital_clock_recovery_mm_xx_0_0, 0))
self.connect((self.rational_resampler_xxx_1, 0),
(self.qtgui_freq_sink_x_0, 0))
self.connect((self.rational_resampler_xxx_1, 0),
(self.qtgui_waterfall_sink_x_0_1, 0))
self.connect((self.uhd_usrp_source_1, 0),
(self.blocks_multiply_xx_0_0, 0))
def __init__(self, options):
gr.hier_block2.__init__(self, "ais_demod",
gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature
gr.io_signature(1, 1, gr.sizeof_char)) # Output signature
self._samples_per_symbol = options[ "samples_per_symbol" ]
self._bits_per_sec = options[ "bits_per_sec" ]
self._samplerate = self._samples_per_symbol * self._bits_per_sec
self._gain_mu = options[ "gain_mu" ]
self._mu = options[ "mu" ]
self._omega_relative_limit = options[ "omega_relative_limit" ]
self.fftlen = options[ "fftlen" ]
#right now we are going to hardcode the different options for VA mode here. later on we can use configurable options
samples_per_symbol_viterbi = 2
bits_per_symbol = 2
samples_per_symbol = 6
samples_per_symbol_clockrec = samples_per_symbol / bits_per_symbol
BT = 0.4
data_rate = 9600.0
samp_rate = options[ "samp_rate" ]
self.gmsk_sync = gmsk_sync.square_and_fft_sync(self._samplerate, self._bits_per_sec, self.fftlen)
if(options[ "viterbi" ] is True):
#calculate the required decimation and interpolation to achieve the desired samples per symbol
denom = gcd(data_rate*samples_per_symbol, samp_rate)
cr_interp = int(data_rate*samples_per_symbol/denom)
cr_decim = int(samp_rate/denom)
self.resample = filter.rational_resampler_ccc(cr_interp, cr_decim)
#here we take a different tack and use A.A.'s CPM decomposition technique
self.clockrec = digital.clock_recovery_mm_cc(samples_per_symbol_clockrec, 0.005*0.005*0.25, 0.5, 0.005, 0.0005) #might have to futz with the max. deviation
(fsm, constellation, MF, N, f0T) = make_gmsk(samples_per_symbol_viterbi, BT) #calculate the decomposition required for demodulation
self.costas = digital.costas_loop_cc(0.015, 0.015*0.015*0.25, 100e-6, -100e-6, 4) #does fine freq/phase synchronization. should probably calc the coeffs instead of hardcode them.
self.streams2stream = blocks.streams_to_stream(int(gr.sizeof_gr_complex*1), int(N))
self.mf0 = filter.fir_filter_ccc(samples_per_symbol_viterbi, MF[0].conjugate()) #two matched filters for decomposition
self.mf1 = filter.fir_filter_ccc(samples_per_symbol_viterbi, MF[1].conjugate())
self.fo = analog.sig_source_c(samples_per_symbol_viterbi, gr.GR_COS_WAVE, -f0T, 1, 0) #the memoryless modulation component of the decomposition
self.fomult = blocks.multiply_cc(1)
self.trellis = trellis.viterbi_combined_cb(fsm, int(data_rate), -1, -1, int(N), constellation, trellis.TRELLIS_EUCLIDEAN) #the actual Viterbi decoder
else:
#this is probably not optimal and someone who knows what they're doing should correct me
self.datafiltertaps = filter.firdes.root_raised_cosine(10, #gain
self._samplerate*16, #sample rate
self._bits_per_sec, #symbol rate
0.4, #alpha, same as BT?
50*16) #no. of taps
sensitivity = (math.pi / 2) / self._samples_per_symbol
self.demod = analog.quadrature_demod_cf(sensitivity) #param is gain
self.clockrec = digital.pfb_clock_sync_ccf(self._samples_per_symbol,
0.04,
self.datafiltertaps, 16, 0, 1.15)
self.tcslicer = digital.digital.binary_slicer_fb()
self.slicer = digital.binary_slicer_fb()
self.diff = digital.diff_decoder_bb(2)
self.invert = ais.invert() #NRZI signal diff decoded and inverted should give original signal
self.connect(self, self.gmsk_sync)
if(options[ "viterbi" ] is False):
self.connect(self.gmsk_sync, self.clockrec, self.demod, self.slicer, self.diff, self.invert, self)
else:
self.connect(self.gmsk_sync, self.costas, self.resample, self.clockrec)
self.connect(self.clockrec, (self.fomult, 0))
self.connect(self.fo, (self.fomult, 1))
self.connect(self.fomult, self.mf0)
self.connect(self.fomult, self.mf1)
self.connect(self.mf0, (self.streams2stream, 0))
self.connect(self.mf1, (self.streams2stream, 1))
self.connect(self.streams2stream, self.trellis, self.diff, self.invert, self)
def __init__(self, puncpat='11'):
gr.top_block.__init__(self, "Outernet Flatsat Flowgraph")
Qt.QWidget.__init__(self)
self.setWindowTitle("Outernet Flatsat Flowgraph")
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "top_block")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Parameters
##################################################
self.puncpat = puncpat
##################################################
# Variables
##################################################
self.rate = rate = 2
self.polys = polys = [79, 109]
self.k = k = 7
self.frame_size = frame_size = 32
self.uhd_samp_rate = uhd_samp_rate = 614400
self.tx_gain = tx_gain = 0
self.samples_per_symbol = samples_per_symbol = 64
self.rx_gain = rx_gain = 0
self.rf_tx_freq = rf_tx_freq = 145e6
self.rf_rx_freq = rf_rx_freq = 401e6
self.rf_offset_freq = rf_offset_freq = 80e3
self.rf_bw = rf_bw = 100e3
self.interleave = interleave = 4
self.dec_cc = dec_cc = fec.cc_decoder.make(frame_size, k, rate, (polys), 0, -1, fec.CC_STREAMING, False)
##################################################
# Blocks
##################################################
self._tx_gain_range = Range(0, 90, 1, 0, 200)
self._tx_gain_win = RangeWidget(self._tx_gain_range, self.set_tx_gain, "TX Gain", "counter_slider", float)
self.top_layout.addWidget(self._tx_gain_win)
self._rx_gain_range = Range(0, 90, 1, 0, 200)
self._rx_gain_win = RangeWidget(self._rx_gain_range, self.set_rx_gain, "RX Gain", "counter_slider", float)
self.top_layout.addWidget(self._rx_gain_win)
self.uhd_usrp_source_0 = uhd.usrp_source(
",".join(("", "")),
uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_source_0.set_clock_rate(30.72e6, uhd.ALL_MBOARDS)
self.uhd_usrp_source_0.set_samp_rate(uhd_samp_rate)
self.uhd_usrp_source_0.set_center_freq(rf_rx_freq, 0)
self.uhd_usrp_source_0.set_gain(rx_gain, 0)
self.uhd_usrp_source_0.set_bandwidth(rf_bw, 0)
self.uhd_usrp_sink_0 = uhd.usrp_sink(
",".join(("", "")),
uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
"packet_len",
)
self.uhd_usrp_sink_0.set_clock_rate(30.72e6, uhd.ALL_MBOARDS)
self.uhd_usrp_sink_0.set_samp_rate(uhd_samp_rate)
self.uhd_usrp_sink_0.set_center_freq(rf_tx_freq, 0)
self.uhd_usrp_sink_0.set_gain(tx_gain, 0)
self.uhd_usrp_sink_0.set_bandwidth(rf_bw, 0)
self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=8,
decimation=1,
taps=None,
fractional_bw=0.125,
)
self.pyqt_text_input_0 = pyqt.text_input()
self._pyqt_text_input_0_win = self.pyqt_text_input_0;
self.top_layout.addWidget(self._pyqt_text_input_0_win)
self.fec_extended_decoder_0 = fec.extended_decoder(decoder_obj_list=dec_cc, threading= None, ann=None, puncpat=puncpat, integration_period=10000)
self.digital_scrambler_bb_0 = digital.scrambler_bb(0x21, 0x00, 16)
self.digital_map_bb_0 = digital.map_bb(([-1, 1]))
self.digital_gmsk_mod_0 = digital.gmsk_mod(
samples_per_symbol=8,
bt=0.5,
verbose=False,
log=False,
)
self.digital_gmsk_demod_0 = digital.gmsk_demod(
samples_per_symbol=samples_per_symbol,
gain_mu=0.175,
mu=0.5,
omega_relative_limit=0.005,
freq_error=0.0,
verbose=False,
log=False,
)
self.ccsds_rs_decode_pdu_0 = ccsds.rs_decode_pdu(interleave)
self.ccsds_asm_deframer_pdu_0 = ccsds.asm_deframer_pdu(0, interleave, 1, 255)
self.blocks_unpacked_to_packed_xx_0 = blocks.unpacked_to_packed_bb(1, gr.GR_MSB_FIRST)
self.blocks_tagged_stream_multiply_length_0 = blocks.tagged_stream_multiply_length(gr.sizeof_gr_complex*1, "packet_len", 64*8)
self.blocks_socket_pdu_1_0 = blocks.socket_pdu("TCP_CLIENT", "127.0.0.1", "51423", 892, False)
self.blocks_packed_to_unpacked_xx_0 = blocks.packed_to_unpacked_bb(1, gr.GR_MSB_FIRST)
self.blocks_message_debug_0_1 = blocks.message_debug()
self.blocks_char_to_float_0_0 = blocks.char_to_float(1, 1)
self.ax25_nrzi_encoder_0 = ax25.nrzi_encoder(0)
self.ax25_encode_heir_0_0 = ax25_encode_heir(
destination_callsign="PICASS",
destination_ssid=0,
post_flag_quantity=16,
post_sync_quantity=16,
pre_flag_quantity=16,
pre_sync_quantity=128,
source_callsign="BISAGS ",
source_ssid=14,
sync_value=85,
)
self.ais_invert_0 = ais.invert()
##################################################
# Connections
##################################################
self.msg_connect((self.blocks_socket_pdu_1_0, 'pdus'), (self.ax25_encode_heir_0_0, 'pdus in'))
self.msg_connect((self.blocks_socket_pdu_1_0, 'pdus'), (self.blocks_message_debug_0_1, 'print_pdu'))
self.msg_connect((self.ccsds_asm_deframer_pdu_0, 'pdus'), (self.ccsds_rs_decode_pdu_0, 'pdu_in'))
self.msg_connect((self.ccsds_rs_decode_pdu_0, 'pdu_out'), (self.blocks_socket_pdu_1_0, 'pdus'))
self.msg_connect((self.pyqt_text_input_0, 'pdus'), (self.ax25_encode_heir_0_0, 'pdus in'))
self.msg_connect((self.pyqt_text_input_0, 'pdus'), (self.blocks_message_debug_0_1, 'print_pdu'))
self.connect((self.ais_invert_0, 0), (self.digital_map_bb_0, 0))
self.connect((self.ax25_encode_heir_0_0, 0), (self.blocks_packed_to_unpacked_xx_0, 0))
self.connect((self.ax25_nrzi_encoder_0, 0), (self.digital_scrambler_bb_0, 0))
self.connect((self.blocks_char_to_float_0_0, 0), (self.fec_extended_decoder_0, 0))
self.connect((self.blocks_packed_to_unpacked_xx_0, 0), (self.ax25_nrzi_encoder_0, 0))
self.connect((self.blocks_tagged_stream_multiply_length_0, 0), (self.uhd_usrp_sink_0, 0))
self.connect((self.blocks_unpacked_to_packed_xx_0, 0), (self.digital_gmsk_mod_0, 0))
self.connect((self.digital_gmsk_demod_0, 0), (self.ais_invert_0, 0))
self.connect((self.digital_gmsk_mod_0, 0), (self.rational_resampler_xxx_0, 0))
self.connect((self.digital_map_bb_0, 0), (self.blocks_char_to_float_0_0, 0))
self.connect((self.digital_scrambler_bb_0, 0), (self.blocks_unpacked_to_packed_xx_0, 0))
self.connect((self.fec_extended_decoder_0, 0), (self.ccsds_asm_deframer_pdu_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.blocks_tagged_stream_multiply_length_0, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.digital_gmsk_demod_0, 0))