def __init__(self):
gr.top_block.__init__(self, "Downlink for EM")
Qt.QWidget.__init__(self)
self.setWindowTitle("Downlink for EM")
qtgui.util.check_set_qss()
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "downlink_em")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.block_len_enc = block_len_enc = 1024 / 8 * 2
self.variable_constellation_0 = variable_constellation_0 = digital.constellation_calcdist(
([-1, 1]), ([0, 1]), 4, 1).base()
self.samp_rate = samp_rate = 250000
self.payload = payload = block_len_enc + 4
self.oversample = oversample = 5
self.frequency_offset_correction = frequency_offset_correction = 89e2
##################################################
# Blocks
##################################################
self._frequency_offset_correction_range = Range(
-120000, 120000, 100, 89e2, 200)
self._frequency_offset_correction_win = RangeWidget(
self._frequency_offset_correction_range,
self.set_frequency_offset_correction, 'Frequency Correction',
"counter_slider", float)
self.top_grid_layout.addWidget(self._frequency_offset_correction_win,
0, 0, 1, 1)
for r in range(0, 1):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 1):
self.top_grid_layout.setColumnStretch(c, 1)
self.rational_resampler_xxx_1 = filter.rational_resampler_ccc(
interpolation=1,
decimation=5,
taps=None,
fractional_bw=None,
)
self.qtgui_sink_x_0_0_1 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
145.79e6, #fc
samp_rate * 4, #bw
"Vor Sync", #name
True, #plotfreq
True, #plotwaterfall
True, #plottime
True, #plotconst
)
self.qtgui_sink_x_0_0_1.set_update_time(1.0 / 10)
self._qtgui_sink_x_0_0_1_win = sip.wrapinstance(
self.qtgui_sink_x_0_0_1.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_sink_x_0_0_1_win, 1, 0, 1,
1)
for r in range(1, 2):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 1):
self.top_grid_layout.setColumnStretch(c, 1)
self.qtgui_sink_x_0_0_1.enable_rf_freq(False)
self.qtgui_sink_x_0_0_0_0 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate / 5, #bw
"Vor Sync", #name
True, #plotfreq
True, #plotwaterfall
True, #plottime
True, #plotconst
)
self.qtgui_sink_x_0_0_0_0.set_update_time(1.0 / 10)
self._qtgui_sink_x_0_0_0_0_win = sip.wrapinstance(
self.qtgui_sink_x_0_0_0_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_sink_x_0_0_0_0_win, 2, 0, 1,
1)
for r in range(2, 3):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 1):
self.top_grid_layout.setColumnStretch(c, 1)
self.qtgui_sink_x_0_0_0_0.enable_rf_freq(False)
self.qtgui_sink_x_0_0_0 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate / 5, #bw
"Vor Sync", #name
True, #plotfreq
True, #plotwaterfall
True, #plottime
True, #plotconst
)
self.qtgui_sink_x_0_0_0.set_update_time(1.0 / 10)
self._qtgui_sink_x_0_0_0_win = sip.wrapinstance(
self.qtgui_sink_x_0_0_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_sink_x_0_0_0_win, 3, 0, 1,
1)
for r in range(3, 4):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 1):
self.top_grid_layout.setColumnStretch(c, 1)
self.qtgui_sink_x_0_0_0.enable_rf_freq(False)
self.osmosdr_source_0 = osmosdr.source(args="numchan=" + str(1) + " " +
'')
self.osmosdr_source_0.set_sample_rate(samp_rate * oversample)
self.osmosdr_source_0.set_center_freq(145.85e6, 0)
self.osmosdr_source_0.set_freq_corr(0, 0)
self.osmosdr_source_0.set_dc_offset_mode(0, 0)
self.osmosdr_source_0.set_iq_balance_mode(0, 0)
self.osmosdr_source_0.set_gain_mode(True, 0)
self.osmosdr_source_0.set_gain(30 * 1, 0)
self.osmosdr_source_0.set_if_gain(30 * 1, 0)
self.osmosdr_source_0.set_bb_gain(0, 0)
self.osmosdr_source_0.set_antenna('', 0)
self.osmosdr_source_0.set_bandwidth(0, 0)
self.digital_mpsk_receiver_cc_0_0 = digital.mpsk_receiver_cc(
2, 0, 31.41e-3, -0.01, 0.01, 0.25, 0.05, samp_rate / 5 / 12.5e3,
0.01, 0.005)
self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(
variable_constellation_0)
self.ccsds_softbits_msg_to_bytes_b_0 = ccsds.softbits_msg_to_bytes_b()
self.ccsds_send_nanolink_0 = ccsds.send_nanolink(
"https://move2radio.lrt.mw.tum.de")
self.ccsds_randomiser_softbits_0 = ccsds.randomiser_softbits(
0x95, 0xFF)
self.ccsds_mpsk_ambiguity_resolver_f_0 = ccsds.mpsk_ambiguity_resolver_f(
2, '49E0DCC7', 32, 1, 0.8, block_len_enc, 0)
self.ccsds_ldpc_decoder_0 = ccsds.ldpc_decoder(
'/tmp/AR4JA_r12_k1024n.a', ccsds.LDPC_SYS_FRONT,
ccsds.LDPC_PUNCT_BACK, 512, tuple(([])))
self.ccsds_blob_msg_sink_b_0 = ccsds.blob_msg_sink_b(256 / 2)
self.blocks_multiply_xx_0_0 = blocks.multiply_vcc(1)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_char_to_float_0 = blocks.char_to_float(1, 0.5)
self.blocks_add_const_vxx_0 = blocks.add_const_vff((-1, ))
self.band_pass_filter_0 = filter.fir_filter_ccc(
oversample,
firdes.complex_band_pass(1, samp_rate * oversample, 40e3, 60e3,
6e3, firdes.WIN_HAMMING, 6.76))
self.analog_sig_source_x_0_0 = analog.sig_source_c(
samp_rate * oversample, analog.GR_COS_WAVE,
frequency_offset_correction, 1, 0)
self.analog_sig_source_x_0 = analog.sig_source_c(
samp_rate, analog.GR_COS_WAVE, -50000, 1, 0)
self.analog_agc_xx_0 = analog.agc_cc(1e-4, 0.5, 1.0)
self.analog_agc_xx_0.set_max_gain(65536)
##################################################
# Connections
##################################################
self.msg_connect((self.ccsds_blob_msg_sink_b_0, 'out'),
(self.ccsds_send_nanolink_0, 'in'))
self.msg_connect((self.ccsds_ldpc_decoder_0, 'out'),
(self.ccsds_softbits_msg_to_bytes_b_0, 'in'))
self.msg_connect((self.ccsds_mpsk_ambiguity_resolver_f_0, 'out'),
(self.ccsds_randomiser_softbits_0, 'in'))
self.msg_connect((self.ccsds_randomiser_softbits_0, 'out'),
(self.ccsds_ldpc_decoder_0, 'in'))
self.connect((self.analog_agc_xx_0, 0), (self.qtgui_sink_x_0_0_0_0, 0))
self.connect((self.analog_agc_xx_0, 0),
(self.rational_resampler_xxx_1, 0))
self.connect((self.analog_sig_source_x_0, 0),
(self.blocks_multiply_xx_0, 1))
self.connect((self.analog_sig_source_x_0_0, 0),
(self.blocks_multiply_xx_0_0, 1))
self.connect((self.band_pass_filter_0, 0),
(self.blocks_multiply_xx_0, 0))
self.connect((self.blocks_add_const_vxx_0, 0),
(self.ccsds_mpsk_ambiguity_resolver_f_0, 0))
self.connect((self.blocks_char_to_float_0, 0),
(self.blocks_add_const_vxx_0, 0))
self.connect((self.blocks_multiply_xx_0, 0), (self.analog_agc_xx_0, 0))
self.connect((self.blocks_multiply_xx_0_0, 0),
(self.band_pass_filter_0, 0))
self.connect((self.blocks_multiply_xx_0_0, 0),
(self.qtgui_sink_x_0_0_1, 0))
self.connect((self.ccsds_softbits_msg_to_bytes_b_0, 0),
(self.ccsds_blob_msg_sink_b_0, 0))
self.connect((self.digital_constellation_decoder_cb_0, 0),
(self.blocks_char_to_float_0, 0))
self.connect((self.digital_mpsk_receiver_cc_0_0, 0),
(self.digital_constellation_decoder_cb_0, 0))
self.connect((self.digital_mpsk_receiver_cc_0_0, 0),
(self.qtgui_sink_x_0_0_0, 0))
self.connect((self.osmosdr_source_0, 0),
(self.blocks_multiply_xx_0_0, 0))
self.connect((self.rational_resampler_xxx_1, 0),
(self.digital_mpsk_receiver_cc_0_0, 0))
def __init__(self):
gr.top_block.__init__(
self, "Downlink from TVAC (This should run all the time)")
Qt.QWidget.__init__(self)
self.setWindowTitle(
"Downlink from TVAC (This should run all the time)")
qtgui.util.check_set_qss()
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "downlink")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.block_len_enc = block_len_enc = 1024 / 8 * 2
self.variable_constellation_0 = variable_constellation_0 = digital.constellation_calcdist(
([-1, 1]), ([0, 1]), 4, 1).base()
self.samp_rate_factor = samp_rate_factor = 5
self.samp_rate = samp_rate = 250000
self.rgain = rgain = 0
self.payload = payload = block_len_enc + 4
self.freq_offset_flag = freq_offset_flag = 0
self.freq_offset = freq_offset = 0
##################################################
# Blocks
##################################################
self._rgain_range = Range(0, 11, 1, 0, 200)
self._rgain_win = RangeWidget(self._rgain_range, self.set_rgain,
'RX Gain', "counter_slider", float)
self.top_layout.addWidget(self._rgain_win)
self._freq_offset_range = Range(-400e3, 400e3, 1.5e3, 0, 200)
self._freq_offset_win = RangeWidget(self._freq_offset_range,
self.set_freq_offset,
'Frequency Offset',
"counter_slider", float)
self.top_layout.addWidget(self._freq_offset_win)
self.rational_resampler_xxx_1 = filter.rational_resampler_ccc(
interpolation=1,
decimation=5,
taps=None,
fractional_bw=None,
)
self.qtgui_sink_x_1 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"", #name
False, #plotfreq
False, #plotwaterfall
False, #plottime
True, #plotconst
)
self.qtgui_sink_x_1.set_update_time(1.0 / 10)
self._qtgui_sink_x_1_win = sip.wrapinstance(
self.qtgui_sink_x_1.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_sink_x_1_win)
self.qtgui_sink_x_1.enable_rf_freq(False)
self.qtgui_sink_x_0_0_1 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"Vor Sync", #name
True, #plotfreq
True, #plotwaterfall
True, #plottime
True, #plotconst
)
self.qtgui_sink_x_0_0_1.set_update_time(1.0 / 10)
self._qtgui_sink_x_0_0_1_win = sip.wrapinstance(
self.qtgui_sink_x_0_0_1.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_sink_x_0_0_1_win)
self.qtgui_sink_x_0_0_1.enable_rf_freq(False)
self.qtgui_sink_x_0_0 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate * samp_rate_factor, #bw
"Vor Sync", #name
True, #plotfreq
True, #plotwaterfall
True, #plottime
True, #plotconst
)
self.qtgui_sink_x_0_0.set_update_time(1.0 / 10)
self._qtgui_sink_x_0_0_win = sip.wrapinstance(
self.qtgui_sink_x_0_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_sink_x_0_0_win)
self.qtgui_sink_x_0_0.enable_rf_freq(False)
self.osmosdr_source_0 = osmosdr.source(
args="numchan=" + str(1) + " " +
'bladerf=1269166c0b71088680ad4ec53222be07,xb200=144M')
self.osmosdr_source_0.set_sample_rate(samp_rate * samp_rate_factor)
self.osmosdr_source_0.set_center_freq(145.95e6, 0)
self.osmosdr_source_0.set_freq_corr(0, 0)
self.osmosdr_source_0.set_dc_offset_mode(0, 0)
self.osmosdr_source_0.set_iq_balance_mode(0, 0)
self.osmosdr_source_0.set_gain_mode(False, 0)
self.osmosdr_source_0.set_gain(rgain, 0)
self.osmosdr_source_0.set_if_gain(0, 0)
self.osmosdr_source_0.set_bb_gain(0, 0)
self.osmosdr_source_0.set_antenna('', 0)
self.osmosdr_source_0.set_bandwidth(0, 0)
self._freq_offset_flag_range = Range(0, 1, 1, 0, 200)
self._freq_offset_flag_win = RangeWidget(self._freq_offset_flag_range,
self.set_freq_offset_flag,
'Enable flatsat freq',
"counter_slider", float)
self.top_layout.addWidget(self._freq_offset_flag_win)
self.fir_filter_xxx_0 = filter.fir_filter_ccc(samp_rate_factor, (1, ))
self.fir_filter_xxx_0.declare_sample_delay(0)
self.digital_mpsk_receiver_cc_0_0 = digital.mpsk_receiver_cc(
2, 0, cmath.pi / 100.0, -0.05, 0.05, 0.25, 0.05, 4, 4, 0.005)
self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(
variable_constellation_0)
self.ccsds_softbits_msg_to_bytes_b_0 = ccsds.softbits_msg_to_bytes_b()
self.ccsds_randomiser_softbits_0 = ccsds.randomiser_softbits(
0x95, 0xFF)
self.ccsds_mpsk_ambiguity_resolver_f_0 = ccsds.mpsk_ambiguity_resolver_f(
2, '49E0DCC7', 32, 1, 0.8, block_len_enc, 0)
self.ccsds_message_info_0 = ccsds.message_info(10)
self.ccsds_ldpc_decoder_0 = ccsds.ldpc_decoder(
'/tmp/AR4JA_r12_k1024n.a', ccsds.LDPC_SYS_FRONT,
ccsds.LDPC_PUNCT_BACK, 512, tuple(([])))
self.ccsds_blob_msg_sink_b_0 = ccsds.blob_msg_sink_b(256 / 2)
self.blocks_udp_sink_0_1 = blocks.udp_sink(gr.sizeof_char * 1,
'127.0.0.1', 5431, 256,
True)
self.blocks_udp_sink_0_0 = blocks.udp_sink(gr.sizeof_char * 1,
'127.0.0.1', 5433, 1472,
True)
self.blocks_udp_sink_0 = blocks.udp_sink(gr.sizeof_gr_complex * 1,
'127.0.0.1', 5435, 1472, True)
self.blocks_null_sink_1 = blocks.null_sink(gr.sizeof_char * 1)
self.blocks_multiply_xx_0_0 = blocks.multiply_vcc(1)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_char_to_float_0 = blocks.char_to_float(1, 0.5)
self.blocks_add_const_vxx_0 = blocks.add_const_vff((-1, ))
self.band_pass_filter_0 = filter.fir_filter_ccc(
1,
firdes.complex_band_pass(1, samp_rate * samp_rate_factor, 40e3,
60e3, 6e3, firdes.WIN_HAMMING, 6.76))
self.analog_sig_source_x_0_0 = analog.sig_source_c(
samp_rate * samp_rate_factor, analog.GR_COS_WAVE, -freq_offset, 1,
0)
self.analog_sig_source_x_0 = analog.sig_source_c(
samp_rate, analog.GR_COS_WAVE, -50000, 1, 0)
self.analog_agc_xx_0 = analog.agc_cc(1e-4, 0.5, 1.0)
self.analog_agc_xx_0.set_max_gain(65536)
##################################################
# Connections
##################################################
self.msg_connect((self.ccsds_blob_msg_sink_b_0, 'out'),
(self.ccsds_message_info_0, 'in'))
self.msg_connect((self.ccsds_ldpc_decoder_0, 'out'),
(self.ccsds_softbits_msg_to_bytes_b_0, 'in'))
self.msg_connect((self.ccsds_mpsk_ambiguity_resolver_f_0, 'out'),
(self.ccsds_randomiser_softbits_0, 'in'))
self.msg_connect((self.ccsds_randomiser_softbits_0, 'out'),
(self.ccsds_ldpc_decoder_0, 'in'))
self.connect((self.analog_agc_xx_0, 0),
(self.rational_resampler_xxx_1, 0))
self.connect((self.analog_sig_source_x_0, 0),
(self.blocks_multiply_xx_0, 0))
self.connect((self.analog_sig_source_x_0_0, 0),
(self.blocks_multiply_xx_0_0, 0))
self.connect((self.band_pass_filter_0, 0), (self.fir_filter_xxx_0, 0))
self.connect((self.blocks_add_const_vxx_0, 0),
(self.ccsds_mpsk_ambiguity_resolver_f_0, 0))
self.connect((self.blocks_char_to_float_0, 0),
(self.blocks_add_const_vxx_0, 0))
self.connect((self.blocks_multiply_xx_0, 0), (self.analog_agc_xx_0, 0))
self.connect((self.blocks_multiply_xx_0, 0),
(self.qtgui_sink_x_0_0_1, 0))
self.connect((self.blocks_multiply_xx_0_0, 0),
(self.band_pass_filter_0, 0))
self.connect((self.ccsds_softbits_msg_to_bytes_b_0, 0),
(self.blocks_null_sink_1, 0))
self.connect((self.ccsds_softbits_msg_to_bytes_b_0, 0),
(self.blocks_udp_sink_0_1, 0))
self.connect((self.ccsds_softbits_msg_to_bytes_b_0, 0),
(self.ccsds_blob_msg_sink_b_0, 0))
self.connect((self.digital_constellation_decoder_cb_0, 0),
(self.blocks_char_to_float_0, 0))
self.connect((self.digital_constellation_decoder_cb_0, 0),
(self.blocks_udp_sink_0_0, 0))
self.connect((self.digital_mpsk_receiver_cc_0_0, 0),
(self.digital_constellation_decoder_cb_0, 0))
self.connect((self.digital_mpsk_receiver_cc_0_0, 0),
(self.qtgui_sink_x_1, 0))
self.connect((self.fir_filter_xxx_0, 0),
(self.blocks_multiply_xx_0, 1))
self.connect((self.osmosdr_source_0, 0),
(self.blocks_multiply_xx_0_0, 1))
self.connect((self.osmosdr_source_0, 0), (self.blocks_udp_sink_0, 0))
self.connect((self.osmosdr_source_0, 0), (self.qtgui_sink_x_0_0, 0))
self.connect((self.rational_resampler_xxx_1, 0),
(self.digital_mpsk_receiver_cc_0_0, 0))
def __init__(self):
gr.top_block.__init__(
self, "Downlink from TVAC (This should run all the time)")
##################################################
# Variables
##################################################
self.block_len_enc = block_len_enc = 1024 / 8 * 2
self.variable_constellation_0 = variable_constellation_0 = digital.constellation_calcdist(
([-1, 1]), ([0, 1]), 4, 1).base()
self.samp_rate_factor = samp_rate_factor = 5
self.samp_rate = samp_rate = 250000
self.rgain = rgain = 0
self.payload = payload = block_len_enc + 4
self.freq_offset = freq_offset = 0
##################################################
# Blocks
##################################################
self.rational_resampler_xxx_1 = filter.rational_resampler_ccc(
interpolation=1,
decimation=5,
taps=None,
fractional_bw=None,
)
self.osmosdr_source_0 = osmosdr.source(args="numchan=" + str(1) + " " +
'rtl_tcp=10.0.0.51:1234')
self.osmosdr_source_0.set_sample_rate(samp_rate * samp_rate_factor)
self.osmosdr_source_0.set_center_freq(145.95, 0)
self.osmosdr_source_0.set_freq_corr(0, 0)
self.osmosdr_source_0.set_dc_offset_mode(0, 0)
self.osmosdr_source_0.set_iq_balance_mode(0, 0)
self.osmosdr_source_0.set_gain_mode(False, 0)
self.osmosdr_source_0.set_gain(rgain, 0)
self.osmosdr_source_0.set_if_gain(0, 0)
self.osmosdr_source_0.set_bb_gain(0, 0)
self.osmosdr_source_0.set_antenna('', 0)
self.osmosdr_source_0.set_bandwidth(0, 0)
self.fir_filter_xxx_0 = filter.fir_filter_ccc(samp_rate_factor, (1, ))
self.fir_filter_xxx_0.declare_sample_delay(0)
self.digital_mpsk_receiver_cc_0_0 = digital.mpsk_receiver_cc(
2, 0, cmath.pi / 100.0, -0.05, 0.05, 0.25, 0.05, 4, 4, 0.005)
self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(
variable_constellation_0)
self.ccsds_softbits_msg_to_bytes_b_0 = ccsds.softbits_msg_to_bytes_b()
self.ccsds_randomiser_softbits_0 = ccsds.randomiser_softbits(
0x95, 0xFF)
self.ccsds_mpsk_ambiguity_resolver_f_0 = ccsds.mpsk_ambiguity_resolver_f(
2, '49E0DCC7', 32, 1, 0.8, block_len_enc, 0)
self.ccsds_message_info_0 = ccsds.message_info(
"Block received and sent to Nanolink: ", 10)
self.ccsds_ldpc_decoder_0 = ccsds.ldpc_decoder(
'/tmp/AR4JA_r12_k1024n.a', ccsds.LDPC_SYS_FRONT,
ccsds.LDPC_PUNCT_BACK, 512, tuple(([])))
self.ccsds_blob_msg_sink_b_0 = ccsds.blob_msg_sink_b(256 / 2)
self.blocks_udp_sink_0_1 = blocks.udp_sink(gr.sizeof_char * 1,
'127.0.0.1', 5431, 256,
True)
self.blocks_udp_sink_0_0 = blocks.udp_sink(gr.sizeof_char * 1,
'127.0.0.1', 5433, 1472,
True)
self.blocks_udp_sink_0 = blocks.udp_sink(gr.sizeof_gr_complex * 1,
'127.0.0.1', 5435, 1472, True)
self.blocks_null_sink_1 = blocks.null_sink(gr.sizeof_char * 1)
self.blocks_multiply_xx_0_0 = blocks.multiply_vcc(1)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_char_to_float_0 = blocks.char_to_float(1, 0.5)
self.blocks_add_const_vxx_0 = blocks.add_const_vff((-1, ))
self.band_pass_filter_0 = filter.fir_filter_ccc(
1,
firdes.complex_band_pass(1, samp_rate * samp_rate_factor, 40e3,
60e3, 6e3, firdes.WIN_HAMMING, 6.76))
self.analog_sig_source_x_0_0 = analog.sig_source_c(
samp_rate * samp_rate_factor, analog.GR_COS_WAVE, -freq_offset, 1,
0)
self.analog_sig_source_x_0 = analog.sig_source_c(
samp_rate, analog.GR_COS_WAVE, -50000, 1, 0)
self.analog_agc_xx_0 = analog.agc_cc(1e-4, 0.5, 1.0)
self.analog_agc_xx_0.set_max_gain(65536)
##################################################
# Connections
##################################################
self.msg_connect((self.ccsds_blob_msg_sink_b_0, 'out'),
(self.ccsds_message_info_0, 'in'))
self.msg_connect((self.ccsds_ldpc_decoder_0, 'out'),
(self.ccsds_softbits_msg_to_bytes_b_0, 'in'))
self.msg_connect((self.ccsds_mpsk_ambiguity_resolver_f_0, 'out'),
(self.ccsds_randomiser_softbits_0, 'in'))
self.msg_connect((self.ccsds_randomiser_softbits_0, 'out'),
(self.ccsds_ldpc_decoder_0, 'in'))
self.connect((self.analog_agc_xx_0, 0),
(self.rational_resampler_xxx_1, 0))
self.connect((self.analog_sig_source_x_0, 0),
(self.blocks_multiply_xx_0, 0))
self.connect((self.analog_sig_source_x_0_0, 0),
(self.blocks_multiply_xx_0_0, 0))
self.connect((self.band_pass_filter_0, 0), (self.fir_filter_xxx_0, 0))
self.connect((self.blocks_add_const_vxx_0, 0),
(self.ccsds_mpsk_ambiguity_resolver_f_0, 0))
self.connect((self.blocks_char_to_float_0, 0),
(self.blocks_add_const_vxx_0, 0))
self.connect((self.blocks_multiply_xx_0, 0), (self.analog_agc_xx_0, 0))
self.connect((self.blocks_multiply_xx_0_0, 0),
(self.band_pass_filter_0, 0))
self.connect((self.ccsds_softbits_msg_to_bytes_b_0, 0),
(self.blocks_null_sink_1, 0))
self.connect((self.ccsds_softbits_msg_to_bytes_b_0, 0),
(self.blocks_udp_sink_0_1, 0))
self.connect((self.ccsds_softbits_msg_to_bytes_b_0, 0),
(self.ccsds_blob_msg_sink_b_0, 0))
self.connect((self.digital_constellation_decoder_cb_0, 0),
(self.blocks_char_to_float_0, 0))
self.connect((self.digital_constellation_decoder_cb_0, 0),
(self.blocks_udp_sink_0_0, 0))
self.connect((self.digital_mpsk_receiver_cc_0_0, 0),
(self.digital_constellation_decoder_cb_0, 0))
self.connect((self.fir_filter_xxx_0, 0),
(self.blocks_multiply_xx_0, 1))
self.connect((self.osmosdr_source_0, 0),
(self.blocks_multiply_xx_0_0, 1))
self.connect((self.osmosdr_source_0, 0), (self.blocks_udp_sink_0, 0))
self.connect((self.rational_resampler_xxx_1, 0),
(self.digital_mpsk_receiver_cc_0_0, 0))
def __init__(self):
gr.top_block.__init__(
self, "Downlink from TVAC (This should run all the time)")
Qt.QWidget.__init__(self)
self.setWindowTitle(
"Downlink from TVAC (This should run all the time)")
qtgui.util.check_set_qss()
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "downlink")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.freq_offset = freq_offset = 0
self.freq = freq = 145.95e6
self.block_len_enc = block_len_enc = 1024 / 8 * 2
self.variable_qtgui_label_0 = variable_qtgui_label_0 = 0
self.variable_constellation_0 = variable_constellation_0 = digital.constellation_calcdist(
([-1, 1]), ([0, 1]), 4, 1).base()
self.samp_rate_factor = samp_rate_factor = 5
self.samp_rate = samp_rate = 250000
self.rgain = rgain = 40
self.real_center_freq = real_center_freq = freq + freq_offset
self.payload = payload = block_len_enc + 4
self.freq_offset_flag = freq_offset_flag = 0
##################################################
# Blocks
##################################################
self._freq_offset_range = Range(-400e3, 400e3, 1.5e3, 0, 200)
self._freq_offset_win = RangeWidget(self._freq_offset_range,
self.set_freq_offset,
'Frequency Offset',
"counter_slider", float)
self.top_grid_layout.addWidget(self._freq_offset_win)
self._variable_qtgui_label_0_tool_bar = Qt.QToolBar(self)
if None:
self._variable_qtgui_label_0_formatter = None
else:
self._variable_qtgui_label_0_formatter = lambda x: str(x)
self._variable_qtgui_label_0_tool_bar.addWidget(
Qt.QLabel("variable_qtgui_label_0" + ": "))
self._variable_qtgui_label_0_label = Qt.QLabel(
str(
self._variable_qtgui_label_0_formatter(
self.variable_qtgui_label_0)))
self._variable_qtgui_label_0_tool_bar.addWidget(
self._variable_qtgui_label_0_label)
self.top_grid_layout.addWidget(self._variable_qtgui_label_0_tool_bar)
self._rgain_range = Range(0, 50, 1, 40, 200)
self._rgain_win = RangeWidget(self._rgain_range, self.set_rgain,
'RX Gain', "counter_slider", float)
self.top_grid_layout.addWidget(self._rgain_win)
self._real_center_freq_tool_bar = Qt.QToolBar(self)
if None:
self._real_center_freq_formatter = None
else:
self._real_center_freq_formatter = lambda x: eng_notation.num_to_str(
x)
self._real_center_freq_tool_bar.addWidget(
Qt.QLabel('Real center freq' + ": "))
self._real_center_freq_label = Qt.QLabel(
str(self._real_center_freq_formatter(self.real_center_freq)))
self._real_center_freq_tool_bar.addWidget(self._real_center_freq_label)
self.top_grid_layout.addWidget(self._real_center_freq_tool_bar)
self.rational_resampler_xxx_1 = filter.rational_resampler_ccc(
interpolation=1,
decimation=5,
taps=None,
fractional_bw=None,
)
self.qtgui_sink_x_0_0_1 = qtgui.sink_c(
4096, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"Vor Sync", #name
True, #plotfreq
True, #plotwaterfall
True, #plottime
True, #plotconst
)
self.qtgui_sink_x_0_0_1.set_update_time(1.0 / 10)
self._qtgui_sink_x_0_0_1_win = sip.wrapinstance(
self.qtgui_sink_x_0_0_1.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_sink_x_0_0_1_win)
self.qtgui_sink_x_0_0_1.enable_rf_freq(False)
self.qtgui_sink_x_0_0 = qtgui.sink_c(
32768, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate * samp_rate_factor, #bw
"Vor Sync", #name
False, #plotfreq
True, #plotwaterfall
True, #plottime
True, #plotconst
)
self.qtgui_sink_x_0_0.set_update_time(1.0 / 10)
self._qtgui_sink_x_0_0_win = sip.wrapinstance(
self.qtgui_sink_x_0_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_sink_x_0_0_win)
self.qtgui_sink_x_0_0.enable_rf_freq(False)
self._freq_offset_flag_range = Range(0, 1, 1, 0, 200)
self._freq_offset_flag_win = RangeWidget(self._freq_offset_flag_range,
self.set_freq_offset_flag,
'Enable flatsat freq',
"counter_slider", float)
self.top_grid_layout.addWidget(self._freq_offset_flag_win)
self.fir_filter_xxx_0 = filter.fir_filter_ccc(samp_rate_factor, (1, ))
self.fir_filter_xxx_0.declare_sample_delay(0)
self.digital_mpsk_receiver_cc_0_0 = digital.mpsk_receiver_cc(
2, 0, cmath.pi / 100.0, -0.05, 0.05, 0.25, 0.05, 4, 4, 0.005)
self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(
variable_constellation_0)
self.ccsds_softbits_msg_to_bytes_b_0 = ccsds.softbits_msg_to_bytes_b()
self.ccsds_randomiser_softbits_0 = ccsds.randomiser_softbits(
0x95, 0xFF)
self.ccsds_mpsk_ambiguity_resolver_f_0 = ccsds.mpsk_ambiguity_resolver_f(
2, '49E0DCC7', 32, 1, 0.8, block_len_enc, 0)
self.ccsds_message_info_0 = ccsds.message_info(
"Block received and sent to Nanolink: ", 20)
self.ccsds_ldpc_decoder_0 = ccsds.ldpc_decoder(
'/tmp/AR4JA_r12_k1024n.a', ccsds.LDPC_SYS_FRONT,
ccsds.LDPC_PUNCT_BACK, 512, tuple(([])))
self.ccsds_blob_msg_sink_b_0 = ccsds.blob_msg_sink_b(256 / 2)
self.blocks_wavfile_source_0 = blocks.wavfile_source(
'/app/input/source.wav', True)
self.blocks_udp_sink_0_1 = blocks.udp_sink(gr.sizeof_char * 1,
'127.0.0.1', 5431, 256,
True)
self.blocks_udp_sink_0_0 = blocks.udp_sink(gr.sizeof_char * 1,
'127.0.0.1', 5433, 1472,
True)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1,
samp_rate, True)
self.blocks_null_sink_1 = blocks.null_sink(gr.sizeof_char * 1)
self.blocks_multiply_xx_0_0 = blocks.multiply_vcc(1)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_message_debug_1_0_0 = blocks.message_debug()
self.blocks_float_to_complex_0 = blocks.float_to_complex(1)
self.blocks_char_to_float_0 = blocks.char_to_float(1, 0.5)
self.blocks_add_const_vxx_0 = blocks.add_const_vff((-1, ))
self.band_pass_filter_0 = filter.fir_filter_ccc(
1,
firdes.complex_band_pass(1, samp_rate * samp_rate_factor, -220e3,
-180e3, 6e3, firdes.WIN_HAMMING, 6.76))
self.analog_sig_source_x_0_0 = analog.sig_source_c(
samp_rate * samp_rate_factor, analog.GR_COS_WAVE, -freq_offset, 1,
0)
self.analog_sig_source_x_0 = analog.sig_source_c(
samp_rate, analog.GR_COS_WAVE, -50000, 1, 0)
self.analog_agc_xx_0 = analog.agc_cc(1e-4, 0.5, 1.0)
self.analog_agc_xx_0.set_max_gain(65536)
##################################################
# Connections
##################################################
self.msg_connect((self.ccsds_blob_msg_sink_b_0, 'out'),
(self.blocks_message_debug_1_0_0, 'print_pdu'))
self.msg_connect((self.ccsds_blob_msg_sink_b_0, 'out'),
(self.ccsds_message_info_0, 'in'))
self.msg_connect((self.ccsds_ldpc_decoder_0, 'out'),
(self.ccsds_softbits_msg_to_bytes_b_0, 'in'))
self.msg_connect((self.ccsds_mpsk_ambiguity_resolver_f_0, 'out'),
(self.ccsds_randomiser_softbits_0, 'in'))
self.msg_connect((self.ccsds_randomiser_softbits_0, 'out'),
(self.ccsds_ldpc_decoder_0, 'in'))
self.connect((self.analog_agc_xx_0, 0),
(self.rational_resampler_xxx_1, 0))
self.connect((self.analog_sig_source_x_0, 0),
(self.blocks_multiply_xx_0, 0))
self.connect((self.analog_sig_source_x_0_0, 0),
(self.blocks_multiply_xx_0_0, 0))
self.connect((self.band_pass_filter_0, 0), (self.fir_filter_xxx_0, 0))
self.connect((self.blocks_add_const_vxx_0, 0),
(self.ccsds_mpsk_ambiguity_resolver_f_0, 0))
self.connect((self.blocks_char_to_float_0, 0),
(self.blocks_add_const_vxx_0, 0))
self.connect((self.blocks_float_to_complex_0, 0),
(self.blocks_throttle_0, 0))
self.connect((self.blocks_multiply_xx_0, 0), (self.analog_agc_xx_0, 0))
self.connect((self.blocks_multiply_xx_0, 0),
(self.qtgui_sink_x_0_0_1, 0))
self.connect((self.blocks_multiply_xx_0_0, 0),
(self.band_pass_filter_0, 0))
self.connect((self.blocks_throttle_0, 0),
(self.blocks_multiply_xx_0_0, 1))
self.connect((self.blocks_throttle_0, 0), (self.qtgui_sink_x_0_0, 0))
self.connect((self.blocks_wavfile_source_0, 0),
(self.blocks_float_to_complex_0, 0))
self.connect((self.blocks_wavfile_source_0, 1),
(self.blocks_float_to_complex_0, 1))
self.connect((self.ccsds_softbits_msg_to_bytes_b_0, 0),
(self.blocks_null_sink_1, 0))
self.connect((self.ccsds_softbits_msg_to_bytes_b_0, 0),
(self.blocks_udp_sink_0_1, 0))
self.connect((self.ccsds_softbits_msg_to_bytes_b_0, 0),
(self.ccsds_blob_msg_sink_b_0, 0))
self.connect((self.digital_constellation_decoder_cb_0, 0),
(self.blocks_char_to_float_0, 0))
self.connect((self.digital_constellation_decoder_cb_0, 0),
(self.blocks_udp_sink_0_0, 0))
self.connect((self.digital_mpsk_receiver_cc_0_0, 0),
(self.digital_constellation_decoder_cb_0, 0))
self.connect((self.fir_filter_xxx_0, 0),
(self.blocks_multiply_xx_0, 1))
self.connect((self.rational_resampler_xxx_1, 0),
(self.digital_mpsk_receiver_cc_0_0, 0))