def __init__(self, freq, rate, designator):
gr.hier_block2.__init__(self,
"ais_rx",
gr.io_signature(1,1,gr.sizeof_gr_complex),
gr.io_signature(0,0,0))
self._bits_per_sec = 9600.0
self._samples_per_symbol = 5
self.coeffs = filter.firdes.low_pass(1, rate, 11000, 1000)
self._filter_decimation = int(rate/(self._bits_per_sec*self._samples_per_symbol))
self.filter = filter.freq_xlating_fir_filter_ccf(self._filter_decimation,
self.coeffs,
freq,
rate)
# self.resamp = pfb.arb_resampler_ccf((self._bits_per_sec*self._samples_per_symbol)/int(rate/self._filter_decimation))
options = {}
options[ "samples_per_symbol" ] = (rate/self._filter_decimation)/self._bits_per_sec
options[ "clockrec_gain" ] = 0.04
options[ "omega_relative_limit" ] = 0.01
options[ "bits_per_sec" ] = self._bits_per_sec
options[ "fftlen" ] = 1024 #trades off accuracy of freq estimation in presence of noise, vs. delay time.
options[ "samp_rate" ] = self._bits_per_sec * self._samples_per_symbol
self.demod = ais.ais_demod(options) #ais_demod takes in complex baseband and spits out 1-bit unpacked bitstream
self.deframer = digital.hdlc_deframer_bp(11,64) #takes bytes, deframes, unstuffs, CRCs, and emits PDUs with frame contents
self.nmea = ais.pdu_to_nmea(designator) #turns data PDUs into NMEA sentences
# self.msgq = ais.pdu_to_msgq(queue) #posts PDUs to message queue for main program to parse at will
# self.parse = ais.parse(queue, designator) #ais_parse.cc, calculates CRC, parses data into NMEA AIVDM message, moves data onto queue
self.connect(self,
self.filter,
self.demod,
self.deframer)
self.msg_connect(self.deframer, "out", self.nmea, "print")
def __init__(self, freq, rate, designator):
gr.hier_block2.__init__(self,
"ais_rx",
gr.io_signature(1,1,gr.sizeof_gr_complex),
gr.io_signature(0,0,0))
self._bits_per_sec = 9600.0
self._samples_per_symbol = 5
self.coeffs = filter.firdes.low_pass(1, rate, 11000, 1000)
self._filter_decimation = int(rate/(self._bits_per_sec*self._samples_per_symbol))
self.filter = filter.freq_xlating_fir_filter_ccf(self._filter_decimation,
self.coeffs,
freq,
rate)
# self.resamp = pfb.arb_resampler_ccf((self._bits_per_sec*self._samples_per_symbol)/int(rate/self._filter_decimation))
options = {}
options[ "samples_per_symbol" ] = (rate/self._filter_decimation)/self._bits_per_sec
options[ "clockrec_gain" ] = 0.04
options[ "omega_relative_limit" ] = 0.01
options[ "bits_per_sec" ] = self._bits_per_sec
options[ "fftlen" ] = 1024 #trades off accuracy of freq estimation in presence of noise, vs. delay time.
options[ "samp_rate" ] = self._bits_per_sec * self._samples_per_symbol
self.demod = ais.ais_demod(options) #ais_demod takes in complex baseband and spits out 1-bit unpacked bitstream
self.deframer = digital.hdlc_deframer_bp(11,64) #takes bytes, deframes, unstuffs, CRCs, and emits PDUs with frame contents
self.nmea = ais.pdu_to_nmea(designator) #turns data PDUs into NMEA sentences
# self.msgq = ais.pdu_to_msgq(queue) #posts PDUs to message queue for main program to parse at will
# self.parse = ais.parse(queue, designator) #ais_parse.cc, calculates CRC, parses data into NMEA AIVDM message, moves data onto queue
self.connect(self,
self.filter,
self.demod,
self.deframer)
self.msg_connect(self.deframer, "out", self.nmea, "print")
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,
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, addr='0.0.0.0', port='52001', rx_gain=38):
gr.top_block.__init__(self, "Ais Rx")
##################################################
# Parameters
##################################################
self.addr = addr
self.port = port
self.rx_gain = rx_gain
##################################################
# 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.fsk_deviation = fsk_deviation = 10e3
self.freq = freq = 162e6
self.filter_taps = filter_taps = firdes.low_pass(
1, samp_rate, samp_rate / 2, 50000, firdes.WIN_FLATTOP, 6.76)
##################################################
# Blocks
##################################################
self.uhd_usrp_source_0 = uhd.usrp_source(
",".join(("", "")),
uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_source_0.set_subdev_spec('A:B', 0)
self.uhd_usrp_source_0.set_samp_rate(samp_rate)
self.uhd_usrp_source_0.set_center_freq(
uhd.tune_request(freq, samp_rate / 2), 0)
self.uhd_usrp_source_0.set_gain(rx_gain, 0)
self.uhd_usrp_source_0.set_antenna('RX2', 0)
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.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_map_bb_0_0 = digital.map_bb((1, 0))
self.digital_map_bb_0 = digital.map_bb((1, 0))
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_pdu_to_tagged_stream_0 = blocks.pdu_to_tagged_stream(
blocks.byte_t, 'packet_len')
self.blocks_multiply_xx_1 = blocks.multiply_vcc(1)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_char * 1,
'/dev/stdout', True)
self.blocks_file_sink_0.set_unbuffered(True)
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 = 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')
##################################################
# Connections
##################################################
self.msg_connect((self.ais_pdu_to_nmea_0, 'out'),
(self.blocks_pdu_to_tagged_stream_0, 'pdus'))
self.msg_connect((self.ais_pdu_to_nmea_0_0, 'out'),
(self.blocks_pdu_to_tagged_stream_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.analog_agc2_xx_0, 0),
(self.analog_quadrature_demod_cf_0_0, 0))
self.connect((self.analog_agc2_xx_0_0, 0),
(self.analog_quadrature_demod_cf_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_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_pdu_to_tagged_stream_0, 0),
(self.blocks_file_sink_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.digital_map_bb_0, 0))
self.connect((self.digital_diff_decoder_bb_0_0, 0),
(self.digital_map_bb_0_0, 0))
self.connect((self.digital_map_bb_0, 0),
(self.digital_hdlc_deframer_bp_0, 0))
self.connect((self.digital_map_bb_0_0, 0),
(self.digital_hdlc_deframer_bp_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.uhd_usrp_source_0, 0),
(self.blocks_multiply_xx_0, 0))
self.connect((self.uhd_usrp_source_0, 0),
(self.blocks_multiply_xx_1, 1))