def __init__(self,
antenna=satnogs.not_set_antenna,
baudrate=9600.0,
bb_gain=satnogs.not_set_rx_bb_gain,
decoded_data_file_path='/tmp/.satnogs/data/data',
dev_args=satnogs.not_set_dev_args,
doppler_correction_per_sec=1000,
enable_iq_dump=0,
excess_bw=0.35,
file_path='test.wav',
if_gain=satnogs.not_set_rx_if_gain,
iq_file_path='/tmp/iq.dat',
lo_offset=100e3,
max_cfo=1000.0,
ppm=0,
rf_gain=satnogs.not_set_rx_rf_gain,
rigctl_port=4532,
rx_freq=100e6,
rx_sdr_device='usrpb200',
samp_rate_rx=satnogs.not_set_samp_rate_rx,
udp_IP='127.0.0.1',
udp_port=16887,
waterfall_file_path='/tmp/waterfall.dat'):
gr.top_block.__init__(self, "satnogs_bpsk_ax25")
##################################################
# Parameters
##################################################
self.antenna = antenna
self.baudrate = baudrate
self.bb_gain = bb_gain
self.decoded_data_file_path = decoded_data_file_path
self.dev_args = dev_args
self.doppler_correction_per_sec = doppler_correction_per_sec
self.enable_iq_dump = enable_iq_dump
self.excess_bw = excess_bw
self.file_path = file_path
self.if_gain = if_gain
self.iq_file_path = iq_file_path
self.lo_offset = lo_offset
self.max_cfo = max_cfo
self.ppm = ppm
self.rf_gain = rf_gain
self.rigctl_port = rigctl_port
self.rx_freq = rx_freq
self.rx_sdr_device = rx_sdr_device
self.samp_rate_rx = samp_rate_rx
self.udp_IP = udp_IP
self.udp_port = udp_port
self.waterfall_file_path = waterfall_file_path
##################################################
# Variables
##################################################
self.sps = sps = 4
self.nfilts = nfilts = 32
self.rrc_taps = rrc_taps = firdes.root_raised_cosine(
nfilts, nfilts, 1.0 / float(sps), excess_bw, 11 * sps * nfilts)
self.bpsk_constellation = bpsk_constellation = digital.constellation_bpsk(
).base()
self.audio_samp_rate = audio_samp_rate = 48000
##################################################
# Blocks
##################################################
self.satnogs_waterfall_sink_0 = satnogs.waterfall_sink(
audio_samp_rate, 0.0, 10, 1024, waterfall_file_path, 1)
self.satnogs_udp_msg_sink_0_0 = satnogs.udp_msg_sink(
udp_IP, udp_port, 1500)
self.satnogs_tcp_rigctl_msg_source_0 = satnogs.tcp_rigctl_msg_source(
"127.0.0.1", rigctl_port, False, 1000, 1500)
self.satnogs_ogg_encoder_0 = satnogs.ogg_encoder(
file_path, audio_samp_rate, 1.0)
self.satnogs_iq_sink_0 = satnogs.iq_sink(16768, iq_file_path, False,
enable_iq_dump)
self.satnogs_frame_file_sink_0_1_0 = satnogs.frame_file_sink(
decoded_data_file_path, 0)
self.satnogs_coarse_doppler_correction_cc_0 = satnogs.coarse_doppler_correction_cc(
rx_freq, satnogs.handle_samp_rate_rx(rx_sdr_device, samp_rate_rx))
self.satnogs_ax25_decoder_bm_0_0 = satnogs.ax25_decoder_bm(
'GND', 0, True, False, 1024)
self.satnogs_ax25_decoder_bm_0 = satnogs.ax25_decoder_bm(
'GND', 0, True, True, 1024)
self.pfb_arb_resampler_xxx_0_0 = pfb.arb_resampler_ccf(
(1.0 * sps * baudrate) /
satnogs.handle_samp_rate_rx(rx_sdr_device, samp_rate_rx),
taps=None,
flt_size=32)
self.pfb_arb_resampler_xxx_0_0.declare_sample_delay(0)
self.pfb_arb_resampler_xxx_0 = pfb.arb_resampler_ccf(
audio_samp_rate /
satnogs.handle_samp_rate_rx(rx_sdr_device, samp_rate_rx),
taps=None,
flt_size=32)
self.pfb_arb_resampler_xxx_0.declare_sample_delay(0)
self.osmosdr_source_0 = osmosdr.source(
args="numchan=" + str(1) + " " +
satnogs.handle_rx_dev_args(rx_sdr_device, dev_args))
self.osmosdr_source_0.set_sample_rate(
satnogs.handle_samp_rate_rx(rx_sdr_device, samp_rate_rx))
self.osmosdr_source_0.set_center_freq(rx_freq - lo_offset, 0)
self.osmosdr_source_0.set_freq_corr(ppm, 0)
self.osmosdr_source_0.set_dc_offset_mode(2, 0)
self.osmosdr_source_0.set_iq_balance_mode(0, 0)
self.osmosdr_source_0.set_gain_mode(False, 0)
self.osmosdr_source_0.set_gain(
satnogs.handle_rx_rf_gain(rx_sdr_device, rf_gain), 0)
self.osmosdr_source_0.set_if_gain(
satnogs.handle_rx_if_gain(rx_sdr_device, if_gain), 0)
self.osmosdr_source_0.set_bb_gain(
satnogs.handle_rx_bb_gain(rx_sdr_device, bb_gain), 0)
self.osmosdr_source_0.set_antenna(
satnogs.handle_rx_antenna(rx_sdr_device, antenna), 0)
self.osmosdr_source_0.set_bandwidth(
satnogs.handle_samp_rate_rx(rx_sdr_device, samp_rate_rx), 0)
self.low_pass_filter_0_0 = filter.fir_filter_ccf(
1,
firdes.low_pass(1, audio_samp_rate,
((1.0 + excess_bw) * baudrate / 2.0) +
min(baudrate, abs(max_cfo)), baudrate / 10.0,
firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_0 = filter.fir_filter_ccf(
1,
firdes.low_pass(1, sps * baudrate,
((1.0 + excess_bw) * baudrate / 2.0) +
min(baudrate, abs(max_cfo)), baudrate / 10.0,
firdes.WIN_HAMMING, 6.76))
self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(
sps, 2.0 * math.pi / 100.0, (rrc_taps), nfilts, nfilts / 2, 1.5, 1)
self.digital_costas_loop_cc_0_0 = digital.costas_loop_cc(
2.0 * math.pi / 100.0, 2, True)
self.digital_constellation_receiver_cb_0 = digital.constellation_receiver_cb(
bpsk_constellation, 2.0 * math.pi / 100.0, -0.25, 0.25)
self.blocks_rotator_cc_0_0 = blocks.rotator_cc(
2.0 * math.pi * (1200.0 / audio_samp_rate))
self.blocks_rotator_cc_0 = blocks.rotator_cc(
-2.0 * math.pi *
(lo_offset /
satnogs.handle_samp_rate_rx(rx_sdr_device, samp_rate_rx)))
self.blocks_complex_to_real_0 = blocks.complex_to_real(1)
self.analog_agc2_xx_0_0 = analog.agc2_cc(0.01, 0.001, 0.015, 1.0)
self.analog_agc2_xx_0_0.set_max_gain(65536)
self.analog_agc2_xx_0 = analog.agc2_cc(1e-3, 1e-3, 0.5, 1.0)
self.analog_agc2_xx_0.set_max_gain(65536)
##################################################
# Connections
##################################################
self.msg_connect((self.satnogs_ax25_decoder_bm_0, 'pdu'),
(self.satnogs_frame_file_sink_0_1_0, 'frame'))
self.msg_connect((self.satnogs_ax25_decoder_bm_0, 'pdu'),
(self.satnogs_udp_msg_sink_0_0, 'in'))
self.msg_connect((self.satnogs_ax25_decoder_bm_0_0, 'pdu'),
(self.satnogs_frame_file_sink_0_1_0, 'frame'))
self.msg_connect((self.satnogs_ax25_decoder_bm_0_0, 'pdu'),
(self.satnogs_udp_msg_sink_0_0, 'in'))
self.msg_connect((self.satnogs_tcp_rigctl_msg_source_0, 'freq'),
(self.satnogs_coarse_doppler_correction_cc_0, 'freq'))
self.connect((self.analog_agc2_xx_0, 0),
(self.pfb_arb_resampler_xxx_0_0, 0))
self.connect((self.analog_agc2_xx_0_0, 0),
(self.low_pass_filter_0_0, 0))
self.connect((self.blocks_complex_to_real_0, 0),
(self.satnogs_ogg_encoder_0, 0))
self.connect((self.blocks_rotator_cc_0, 0),
(self.satnogs_coarse_doppler_correction_cc_0, 0))
self.connect((self.blocks_rotator_cc_0_0, 0),
(self.blocks_complex_to_real_0, 0))
self.connect((self.digital_constellation_receiver_cb_0, 0),
(self.satnogs_ax25_decoder_bm_0, 0))
self.connect((self.digital_constellation_receiver_cb_0, 0),
(self.satnogs_ax25_decoder_bm_0_0, 0))
self.connect((self.digital_costas_loop_cc_0_0, 0),
(self.digital_pfb_clock_sync_xxx_0, 0))
self.connect((self.digital_pfb_clock_sync_xxx_0, 0),
(self.digital_constellation_receiver_cb_0, 0))
self.connect((self.low_pass_filter_0, 0),
(self.digital_costas_loop_cc_0_0, 0))
self.connect((self.low_pass_filter_0_0, 0),
(self.blocks_rotator_cc_0_0, 0))
self.connect((self.osmosdr_source_0, 0), (self.blocks_rotator_cc_0, 0))
self.connect((self.pfb_arb_resampler_xxx_0, 0),
(self.analog_agc2_xx_0_0, 0))
self.connect((self.pfb_arb_resampler_xxx_0, 0),
(self.satnogs_iq_sink_0, 0))
self.connect((self.pfb_arb_resampler_xxx_0, 0),
(self.satnogs_waterfall_sink_0, 0))
self.connect((self.pfb_arb_resampler_xxx_0_0, 0),
(self.low_pass_filter_0, 0))
self.connect((self.satnogs_coarse_doppler_correction_cc_0, 0),
(self.analog_agc2_xx_0, 0))
self.connect((self.satnogs_coarse_doppler_correction_cc_0, 0),
(self.pfb_arb_resampler_xxx_0, 0))
def __init__(self,
antenna=satnogs.not_set_antenna,
bb_gain=satnogs.not_set_rx_bb_gain,
decoded_data_file_path='/tmp/.satnogs/data/data',
dev_args=satnogs.not_set_dev_args,
doppler_correction_per_sec=1000,
enable_iq_dump=0,
file_path='test.wav',
if_gain=satnogs.not_set_rx_if_gain,
iq_file_path='/tmp/iq.dat',
lo_offset=100e3,
ppm=0,
rf_gain=satnogs.not_set_rx_rf_gain,
rigctl_port=4532,
rx_freq=100e6,
rx_sdr_device='usrpb200',
udp_IP='127.0.0.1',
udp_port=16887,
waterfall_file_path='/tmp/waterfall.dat'):
gr.top_block.__init__(self, "FSK9600 AX.25 decoder with G3RUH support")
##################################################
# Parameters
##################################################
self.antenna = antenna
self.bb_gain = bb_gain
self.decoded_data_file_path = decoded_data_file_path
self.dev_args = dev_args
self.doppler_correction_per_sec = doppler_correction_per_sec
self.enable_iq_dump = enable_iq_dump
self.file_path = file_path
self.if_gain = if_gain
self.iq_file_path = iq_file_path
self.lo_offset = lo_offset
self.ppm = ppm
self.rf_gain = rf_gain
self.rigctl_port = rigctl_port
self.rx_freq = rx_freq
self.rx_sdr_device = rx_sdr_device
self.udp_IP = udp_IP
self.udp_port = udp_port
self.waterfall_file_path = waterfall_file_path
##################################################
# Variables
##################################################
self.samp_rate_rx = samp_rate_rx = satnogs.hw_rx_settings[
rx_sdr_device]['samp_rate']
self.deviation = deviation = 5000
self.baud_rate = baud_rate = 9600
self.xlate_filter_taps = xlate_filter_taps = firdes.low_pass(
1, samp_rate_rx, 125000, 25000, firdes.WIN_HAMMING, 6.76)
self.taps = taps = firdes.low_pass(12.0, samp_rate_rx, 100e3, 60000,
firdes.WIN_HAMMING, 6.76)
self.modulation_index = modulation_index = deviation / (baud_rate /
2.0)
self.filter_rate = filter_rate = 250000
self.audio_samp_rate = audio_samp_rate = 48000
self.audio_gain = audio_gain = satnogs.fm_demod_settings[
rx_sdr_device]['audio_gain']
##################################################
# Blocks
##################################################
self.satnogs_waterfall_sink_0 = satnogs.waterfall_sink(
audio_samp_rate, 0.0, 10, 1024, waterfall_file_path, 1)
self.satnogs_udp_msg_sink_0_0 = satnogs.udp_msg_sink(
udp_IP, udp_port, 1500)
self.satnogs_tcp_rigctl_msg_source_0 = satnogs.tcp_rigctl_msg_source(
"127.0.0.1", rigctl_port, False, 1000, 1500)
self.satnogs_quad_demod_filter_ff_0 = satnogs.quad_demod_filter_ff(
((audio_samp_rate) / baud_rate) / (math.pi * modulation_index))
self.satnogs_ogg_encoder_0 = satnogs.ogg_encoder(
file_path, audio_samp_rate, 1.0)
self.satnogs_iq_sink_0 = satnogs.iq_sink(16768, iq_file_path, False,
enable_iq_dump)
self.satnogs_frame_file_sink_0_1_0 = satnogs.frame_file_sink(
decoded_data_file_path, 0)
self.satnogs_coarse_doppler_correction_cc_0 = satnogs.coarse_doppler_correction_cc(
rx_freq, samp_rate_rx)
self.satnogs_ax25_decoder_bm_0 = satnogs.ax25_decoder_bm(
'GND', 0, True, True, 1024)
self.osmosdr_source_0 = osmosdr.source(
args="numchan=" + str(1) + " " +
satnogs.handle_rx_dev_args(rx_sdr_device, dev_args))
self.osmosdr_source_0.set_sample_rate(samp_rate_rx)
self.osmosdr_source_0.set_center_freq(rx_freq - lo_offset, 0)
self.osmosdr_source_0.set_freq_corr(ppm, 0)
self.osmosdr_source_0.set_dc_offset_mode(2, 0)
self.osmosdr_source_0.set_iq_balance_mode(0, 0)
self.osmosdr_source_0.set_gain_mode(False, 0)
self.osmosdr_source_0.set_gain(
satnogs.handle_rx_rf_gain(rx_sdr_device, rf_gain), 0)
self.osmosdr_source_0.set_if_gain(
satnogs.handle_rx_if_gain(rx_sdr_device, if_gain), 0)
self.osmosdr_source_0.set_bb_gain(
satnogs.handle_rx_bb_gain(rx_sdr_device, bb_gain), 0)
self.osmosdr_source_0.set_antenna(
satnogs.handle_rx_antenna(rx_sdr_device, antenna), 0)
self.osmosdr_source_0.set_bandwidth(samp_rate_rx, 0)
self.low_pass_filter_0 = filter.fir_filter_fff(
1,
firdes.low_pass(1, audio_samp_rate, 7850, audio_samp_rate * 0.15,
firdes.WIN_HAMMING, 6.76))
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(
int(samp_rate_rx / filter_rate), (xlate_filter_taps), lo_offset,
samp_rate_rx)
self.digital_costas_loop_cc_0 = digital.costas_loop_cc(
2.0 * math.pi / 100.0, 2, False)
self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff(
48e3 / 9600, 0.25 * 0.175 * 0.175, 0.5, 0.175, 0.005)
self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
self.dc_blocker_xx_0 = filter.dc_blocker_ff(1024, True)
self.blks2_rational_resampler_xxx_1 = filter.rational_resampler_ccc(
interpolation=48000,
decimation=int(samp_rate_rx / (int(samp_rate_rx / filter_rate))),
taps=None,
fractional_bw=None,
)
self.analog_quadrature_demod_cf_0_0 = analog.quadrature_demod_cf(
((audio_samp_rate) / baud_rate) / (math.pi * modulation_index))
##################################################
# Connections
##################################################
self.msg_connect((self.satnogs_ax25_decoder_bm_0, 'pdu'),
(self.satnogs_frame_file_sink_0_1_0, 'frame'))
self.msg_connect((self.satnogs_ax25_decoder_bm_0, 'pdu'),
(self.satnogs_udp_msg_sink_0_0, 'in'))
self.msg_connect((self.satnogs_tcp_rigctl_msg_source_0, 'freq'),
(self.satnogs_coarse_doppler_correction_cc_0, 'freq'))
self.connect((self.analog_quadrature_demod_cf_0_0, 0),
(self.dc_blocker_xx_0, 0))
self.connect((self.blks2_rational_resampler_xxx_1, 0),
(self.analog_quadrature_demod_cf_0_0, 0))
self.connect((self.blks2_rational_resampler_xxx_1, 0),
(self.satnogs_iq_sink_0, 0))
self.connect((self.blks2_rational_resampler_xxx_1, 0),
(self.satnogs_waterfall_sink_0, 0))
self.connect((self.dc_blocker_xx_0, 0), (self.low_pass_filter_0, 0))
self.connect((self.digital_binary_slicer_fb_0, 0),
(self.satnogs_ax25_decoder_bm_0, 0))
self.connect((self.digital_clock_recovery_mm_xx_0, 0),
(self.satnogs_quad_demod_filter_ff_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0),
(self.blks2_rational_resampler_xxx_1, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0),
(self.digital_costas_loop_cc_0, 0))
self.connect((self.low_pass_filter_0, 0),
(self.digital_clock_recovery_mm_xx_0, 0))
self.connect((self.low_pass_filter_0, 0),
(self.satnogs_ogg_encoder_0, 0))
self.connect((self.osmosdr_source_0, 0),
(self.satnogs_coarse_doppler_correction_cc_0, 0))
self.connect((self.satnogs_coarse_doppler_correction_cc_0, 0),
(self.freq_xlating_fir_filter_xxx_0, 0))
self.connect((self.satnogs_quad_demod_filter_ff_0, 0),
(self.digital_binary_slicer_fb_0, 0))
def __init__(self,
antenna=satnogs.not_set_antenna,
baudrate=9600.0,
bb_gain=satnogs.not_set_rx_bb_gain,
decoded_data_file_path='/tmp/.satnogs/data/data',
dev_args=satnogs.not_set_dev_args,
doppler_correction_per_sec=1000,
enable_iq_dump=0,
file_path='test.wav',
if_gain=satnogs.not_set_rx_if_gain,
iq_file_path='/tmp/iq.dat',
lo_offset=100e3,
mark_frequency=2200.0,
ppm=0,
rf_gain=satnogs.not_set_rx_rf_gain,
rigctl_port=4532,
rx_freq=100e6,
rx_sdr_device='usrpb200',
samp_rate_rx=satnogs.not_set_samp_rate_rx,
space_frequency=1200.0,
udp_IP='127.0.0.1',
udp_port=16887,
waterfall_file_path='/tmp/waterfall.dat'):
gr.top_block.__init__(self, "AFSK1200 AX.25 decoder ")
##################################################
# Parameters
##################################################
self.antenna = antenna
self.baudrate = baudrate
self.bb_gain = bb_gain
self.decoded_data_file_path = decoded_data_file_path
self.dev_args = dev_args
self.doppler_correction_per_sec = doppler_correction_per_sec
self.enable_iq_dump = enable_iq_dump
self.file_path = file_path
self.if_gain = if_gain
self.iq_file_path = iq_file_path
self.lo_offset = lo_offset
self.mark_frequency = mark_frequency
self.ppm = ppm
self.rf_gain = rf_gain
self.rigctl_port = rigctl_port
self.rx_freq = rx_freq
self.rx_sdr_device = rx_sdr_device
self.samp_rate_rx = samp_rate_rx
self.space_frequency = space_frequency
self.udp_IP = udp_IP
self.udp_port = udp_port
self.waterfall_file_path = waterfall_file_path
##################################################
# Variables
##################################################
self.max_modulation_freq = max_modulation_freq = 3000
self.deviation = deviation = 5000
self.baud_rate = baud_rate = 1200
self.audio_samp_rate = audio_samp_rate = 48000
##################################################
# Blocks
##################################################
self.satnogs_waterfall_sink_0 = satnogs.waterfall_sink(
audio_samp_rate, 0.0, 10, 1024, waterfall_file_path, 1)
self.satnogs_udp_msg_sink_0_0 = satnogs.udp_msg_sink(
udp_IP, udp_port, 1500)
self.satnogs_tcp_rigctl_msg_source_0 = satnogs.tcp_rigctl_msg_source(
"127.0.0.1", rigctl_port, False, 1000, 1500)
self.satnogs_quad_demod_filter_ff_0 = satnogs.quad_demod_filter_ff(
((audio_samp_rate / 10) / baud_rate) / (math.pi * 1))
self.satnogs_ogg_encoder_0 = satnogs.ogg_encoder(
file_path, audio_samp_rate, 1.0)
self.satnogs_iq_sink_0 = satnogs.iq_sink(16768, iq_file_path, False,
enable_iq_dump)
self.satnogs_frame_file_sink_0_1_0 = satnogs.frame_file_sink(
decoded_data_file_path, 0)
self.satnogs_coarse_doppler_correction_cc_0 = satnogs.coarse_doppler_correction_cc(
rx_freq, satnogs.handle_samp_rate_rx(rx_sdr_device, samp_rate_rx))
self.satnogs_ax25_decoder_bm_0_0 = satnogs.ax25_decoder_bm(
'GND', 0, True, True, 1024)
self.satnogs_ax25_decoder_bm_0 = satnogs.ax25_decoder_bm(
'GND', 0, True, False, 1024)
self.pfb_arb_resampler_xxx_0 = pfb.arb_resampler_ccf(
audio_samp_rate /
satnogs.handle_samp_rate_rx(rx_sdr_device, samp_rate_rx),
taps=None,
flt_size=32)
self.pfb_arb_resampler_xxx_0.declare_sample_delay(0)
self.osmosdr_source_0 = osmosdr.source(
args="numchan=" + str(1) + " " +
satnogs.handle_rx_dev_args(rx_sdr_device, dev_args))
self.osmosdr_source_0.set_sample_rate(
satnogs.handle_samp_rate_rx(rx_sdr_device, samp_rate_rx))
self.osmosdr_source_0.set_center_freq(rx_freq - lo_offset, 0)
self.osmosdr_source_0.set_freq_corr(ppm, 0)
self.osmosdr_source_0.set_dc_offset_mode(2, 0)
self.osmosdr_source_0.set_iq_balance_mode(0, 0)
self.osmosdr_source_0.set_gain_mode(False, 0)
self.osmosdr_source_0.set_gain(
satnogs.handle_rx_rf_gain(rx_sdr_device, rf_gain), 0)
self.osmosdr_source_0.set_if_gain(
satnogs.handle_rx_if_gain(rx_sdr_device, if_gain), 0)
self.osmosdr_source_0.set_bb_gain(
satnogs.handle_rx_bb_gain(rx_sdr_device, bb_gain), 0)
self.osmosdr_source_0.set_antenna(
satnogs.handle_rx_antenna(rx_sdr_device, antenna), 0)
self.osmosdr_source_0.set_bandwidth(
satnogs.handle_samp_rate_rx(rx_sdr_device, samp_rate_rx), 0)
self.low_pass_filter_1 = filter.fir_filter_ccf(
10,
firdes.low_pass(10, audio_samp_rate,
(mark_frequency - space_frequency) / 2.0, 1000,
firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_0 = filter.fir_filter_ccf(
1,
firdes.low_pass(1, audio_samp_rate,
deviation + max_modulation_freq, 3000,
firdes.WIN_HAMMING, 6.76))
self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff(
(48e3 / 10) / baud_rate, 0.25 * 0.175 * 0.175, 0.5, 0.175, 0.005)
self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
self.dc_blocker_xx_0 = filter.dc_blocker_ff(1024, True)
self.blocks_rotator_cc_0 = blocks.rotator_cc(
-2.0 * math.pi *
(lo_offset /
satnogs.handle_samp_rate_rx(rx_sdr_device, samp_rate_rx)))
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_float_to_complex_0 = blocks.float_to_complex(1)
self.analog_sig_source_x_0 = analog.sig_source_c(
audio_samp_rate, analog.GR_COS_WAVE, -(1200 + 2200) / 2, 1, 0)
self.analog_quadrature_demod_cf_0_0 = analog.quadrature_demod_cf(
(2 * math.pi * deviation) / audio_samp_rate)
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(
((audio_samp_rate / 10) / baud_rate) / (math.pi * 1))
##################################################
# Connections
##################################################
self.msg_connect((self.satnogs_ax25_decoder_bm_0, 'pdu'),
(self.satnogs_frame_file_sink_0_1_0, 'frame'))
self.msg_connect((self.satnogs_ax25_decoder_bm_0, 'pdu'),
(self.satnogs_udp_msg_sink_0_0, 'in'))
self.msg_connect((self.satnogs_ax25_decoder_bm_0_0, 'pdu'),
(self.satnogs_frame_file_sink_0_1_0, 'frame'))
self.msg_connect((self.satnogs_ax25_decoder_bm_0_0, 'pdu'),
(self.satnogs_udp_msg_sink_0_0, 'in'))
self.msg_connect((self.satnogs_tcp_rigctl_msg_source_0, 'freq'),
(self.satnogs_coarse_doppler_correction_cc_0, 'freq'))
self.connect((self.analog_quadrature_demod_cf_0, 0),
(self.digital_clock_recovery_mm_xx_0, 0))
self.connect((self.analog_quadrature_demod_cf_0_0, 0),
(self.dc_blocker_xx_0, 0))
self.connect((self.analog_quadrature_demod_cf_0_0, 0),
(self.satnogs_ogg_encoder_0, 0))
self.connect((self.analog_sig_source_x_0, 0),
(self.blocks_multiply_xx_0, 1))
self.connect((self.blocks_float_to_complex_0, 0),
(self.blocks_multiply_xx_0, 0))
self.connect((self.blocks_multiply_xx_0, 0),
(self.low_pass_filter_1, 0))
self.connect((self.blocks_rotator_cc_0, 0),
(self.satnogs_coarse_doppler_correction_cc_0, 0))
self.connect((self.dc_blocker_xx_0, 0),
(self.blocks_float_to_complex_0, 0))
self.connect((self.digital_binary_slicer_fb_0, 0),
(self.satnogs_ax25_decoder_bm_0, 0))
self.connect((self.digital_binary_slicer_fb_0, 0),
(self.satnogs_ax25_decoder_bm_0_0, 0))
self.connect((self.digital_clock_recovery_mm_xx_0, 0),
(self.satnogs_quad_demod_filter_ff_0, 0))
self.connect((self.low_pass_filter_0, 0),
(self.analog_quadrature_demod_cf_0_0, 0))
self.connect((self.low_pass_filter_1, 0),
(self.analog_quadrature_demod_cf_0, 0))
self.connect((self.osmosdr_source_0, 0), (self.blocks_rotator_cc_0, 0))
self.connect((self.pfb_arb_resampler_xxx_0, 0),
(self.low_pass_filter_0, 0))
self.connect((self.pfb_arb_resampler_xxx_0, 0),
(self.satnogs_iq_sink_0, 0))
self.connect((self.pfb_arb_resampler_xxx_0, 0),
(self.satnogs_waterfall_sink_0, 0))
self.connect((self.satnogs_coarse_doppler_correction_cc_0, 0),
(self.pfb_arb_resampler_xxx_0, 0))
self.connect((self.satnogs_quad_demod_filter_ff_0, 0),
(self.digital_binary_slicer_fb_0, 0))
def __init__(self,
bind_addr='0.0.0.0',
dest_addr='127.0.0.1',
lo_offset=100e3,
recv_port=16886,
rx_sdr_device='usrpb200',
send_port=5022,
tx_sdr_device='usrpb200',
wod_port=5023):
gr.top_block.__init__(self, "UPSat Transceiver QT")
Qt.QWidget.__init__(self)
self.setWindowTitle("UPSat Transceiver QT")
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", "upsat_transceiver_qt")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Parameters
##################################################
self.bind_addr = bind_addr
self.dest_addr = dest_addr
self.lo_offset = lo_offset
self.recv_port = recv_port
self.rx_sdr_device = rx_sdr_device
self.send_port = send_port
self.tx_sdr_device = tx_sdr_device
self.wod_port = wod_port
##################################################
# Variables
##################################################
self.samples_per_symbol_tx = samples_per_symbol_tx = 4 * 8
self.sq_wave = sq_wave = (1.0, ) * samples_per_symbol_tx
self.samp_rate_rx = samp_rate_rx = satnogs.hw_rx_settings[
rx_sdr_device]['samp_rate']
self.gaussian_taps = gaussian_taps = filter.firdes.gaussian(
1.0, samples_per_symbol_tx, 1.0, 4 * samples_per_symbol_tx)
self.deviation = deviation = 3.9973e3
self.decimation_rx = decimation_rx = 20
self.baud_rate_uplink = baud_rate_uplink = 1200
self.baud_rate_downlink = baud_rate_downlink = 9600
self.tx_frequency = tx_frequency = 145.835e6
self.taps = taps = firdes.low_pass(1.0, samp_rate_rx, 20000, 60000,
firdes.WIN_HAMMING, 6.76)
self.samp_rate_tx = samp_rate_tx = satnogs.hw_tx_settings[
rx_sdr_device]['samp_rate']
self.rx_frequency = rx_frequency = 435.765e6
self.modulation_index_uplink = modulation_index_uplink = deviation / (
baud_rate_uplink / 2.0)
self.modulation_index_downlink = modulation_index_downlink = deviation / (
baud_rate_downlink / 2.0)
self.interp_taps = interp_taps = numpy.convolve(
numpy.array(gaussian_taps), numpy.array(sq_wave))
self.first_stage_samp_rate_rx = first_stage_samp_rate_rx = samp_rate_rx / decimation_rx
##################################################
# Blocks
##################################################
self.satnogs_upsat_fsk_frame_encoder_0 = satnogs.upsat_fsk_frame_encoder(
[0x33] * 8, [0x7A, 0x0E], False, False, False, True, True, 'ABCD',
0, 'ON02GR', 0, 64)
self.satnogs_udp_msg_source_0 = satnogs.udp_msg_source(
bind_addr, recv_port, 1500, 0)
self.satnogs_udp_msg_sink_0_0_0 = satnogs.udp_msg_sink(
dest_addr, wod_port, 1500)
self.satnogs_udp_msg_sink_0_0 = satnogs.udp_msg_sink(
dest_addr, send_port, 1500)
self.satnogs_qb50_deframer_0 = satnogs.qb50_deframer(0xe)
self.satnogs_multi_format_msg_sink_0 = satnogs.multi_format_msg_sink(1)
self.satnogs_ax25_decoder_bm_0 = satnogs.ax25_decoder_bm(
'GND', 0, False, True, 256, 3)
self.qtgui_waterfall_sink_x_0 = qtgui.waterfall_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
50e3, #bw
"", #name
1 #number of inputs
)
self.qtgui_waterfall_sink_x_0.set_update_time(0.10)
self.qtgui_waterfall_sink_x_0.enable_grid(False)
self.qtgui_waterfall_sink_x_0.enable_axis_labels(True)
if not True:
self.qtgui_waterfall_sink_x_0.disable_legend()
if "complex" == "float" or "complex" == "msg_float":
self.qtgui_waterfall_sink_x_0.set_plot_pos_half(not True)
labels = ['', '', '', '', '', '', '', '', '', '']
colors = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_waterfall_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_waterfall_sink_x_0.set_line_label(i, labels[i])
self.qtgui_waterfall_sink_x_0.set_color_map(i, colors[i])
self.qtgui_waterfall_sink_x_0.set_line_alpha(i, alphas[i])
self.qtgui_waterfall_sink_x_0.set_intensity_range(-140, 10)
self._qtgui_waterfall_sink_x_0_win = sip.wrapinstance(
self.qtgui_waterfall_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_waterfall_sink_x_0_win)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate_rx / decimation_rx, #bw
"", #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, 0)
self.qtgui_freq_sink_x_0.set_y_label('Relative Gain', 'dB')
self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0,
"")
self.qtgui_freq_sink_x_0.enable_autoscale(False)
self.qtgui_freq_sink_x_0.enable_grid(True)
self.qtgui_freq_sink_x_0.set_fft_average(1.0)
self.qtgui_freq_sink_x_0.enable_axis_labels(True)
self.qtgui_freq_sink_x_0.enable_control_panel(True)
if not True:
self.qtgui_freq_sink_x_0.disable_legend()
if "complex" == "float" or "complex" == "msg_float":
self.qtgui_freq_sink_x_0.set_plot_pos_half(not True)
labels = ['', '', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "dark blue"
]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_freq_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_0.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_0.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_0.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_0_win = sip.wrapinstance(
self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_freq_sink_x_0_win)
self.pfb_arb_resampler_xxx_0 = pfb.arb_resampler_ccf(
samp_rate_tx / (baud_rate_uplink * samples_per_symbol_tx),
taps=(firdes.low_pass_2(32, 32, 0.8, 0.1, 60)),
flt_size=32)
self.pfb_arb_resampler_xxx_0.declare_sample_delay(0)
self.osmosdr_source_0 = osmosdr.source(
args="numchan=" + str(1) + " " +
satnogs.hw_rx_settings[rx_sdr_device]['dev_arg'])
self.osmosdr_source_0.set_sample_rate(samp_rate_rx)
self.osmosdr_source_0.set_center_freq(rx_frequency - lo_offset, 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(
satnogs.hw_rx_settings[rx_sdr_device]['rf_gain'], 0)
self.osmosdr_source_0.set_if_gain(
satnogs.hw_rx_settings[rx_sdr_device]['if_gain'], 0)
self.osmosdr_source_0.set_bb_gain(
satnogs.hw_rx_settings[rx_sdr_device]['bb_gain'], 0)
self.osmosdr_source_0.set_antenna(
satnogs.hw_rx_settings[rx_sdr_device]['antenna'], 0)
self.osmosdr_source_0.set_bandwidth(samp_rate_rx, 0)
self.osmosdr_sink_0 = osmosdr.sink(
args="numchan=" + str(1) + " " +
satnogs.hw_tx_settings[rx_sdr_device]['dev_arg'])
self.osmosdr_sink_0.set_sample_rate(samp_rate_tx)
self.osmosdr_sink_0.set_center_freq(tx_frequency - lo_offset, 0)
self.osmosdr_sink_0.set_freq_corr(0, 0)
self.osmosdr_sink_0.set_gain(
satnogs.hw_tx_settings[tx_sdr_device]['rf_gain'], 0)
self.osmosdr_sink_0.set_if_gain(
satnogs.hw_tx_settings[tx_sdr_device]['if_gain'], 0)
self.osmosdr_sink_0.set_bb_gain(
satnogs.hw_tx_settings[tx_sdr_device]['bb_gain'], 0)
self.osmosdr_sink_0.set_antenna(
satnogs.hw_tx_settings[tx_sdr_device]['antenna'], 0)
self.osmosdr_sink_0.set_bandwidth(samp_rate_tx, 0)
self.interp_fir_filter_xxx_0 = filter.interp_fir_filter_fff(
samples_per_symbol_tx, (interp_taps))
self.interp_fir_filter_xxx_0.declare_sample_delay(0)
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(
decimation_rx, (taps), lo_offset, samp_rate_rx)
self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff(
first_stage_samp_rate_rx / baud_rate_downlink,
0.25 * 0.175 * 0.175, 0.5, 0.175, 0.005)
self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.analog_sig_source_x_0 = analog.sig_source_c(
samp_rate_tx, analog.GR_COS_WAVE, lo_offset, 1, 0)
self.analog_quadrature_demod_cf_0_0 = analog.quadrature_demod_cf(
((first_stage_samp_rate_rx) / baud_rate_downlink) /
(math.pi * modulation_index_downlink))
self.analog_frequency_modulator_fc_0 = analog.frequency_modulator_fc(
(math.pi * modulation_index_uplink) / samples_per_symbol_tx)
##################################################
# Connections
##################################################
self.msg_connect((self.satnogs_ax25_decoder_bm_0, 'failed_pdu'),
(self.satnogs_multi_format_msg_sink_0, 'in'))
self.msg_connect((self.satnogs_ax25_decoder_bm_0, 'pdu'),
(self.satnogs_qb50_deframer_0, 'in'))
self.msg_connect((self.satnogs_qb50_deframer_0, 'out'),
(self.satnogs_udp_msg_sink_0_0, 'in'))
self.msg_connect((self.satnogs_qb50_deframer_0, 'wod'),
(self.satnogs_udp_msg_sink_0_0_0, 'in'))
self.msg_connect((self.satnogs_udp_msg_source_0, 'msg'),
(self.satnogs_upsat_fsk_frame_encoder_0, 'pdu'))
self.connect((self.analog_frequency_modulator_fc_0, 0),
(self.pfb_arb_resampler_xxx_0, 0))
self.connect((self.analog_quadrature_demod_cf_0_0, 0),
(self.digital_clock_recovery_mm_xx_0, 0))
self.connect((self.analog_sig_source_x_0, 0),
(self.blocks_multiply_xx_0, 1))
self.connect((self.blocks_multiply_xx_0, 0), (self.osmosdr_sink_0, 0))
self.connect((self.digital_binary_slicer_fb_0, 0),
(self.satnogs_ax25_decoder_bm_0, 0))
self.connect((self.digital_clock_recovery_mm_xx_0, 0),
(self.digital_binary_slicer_fb_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0),
(self.analog_quadrature_demod_cf_0_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0),
(self.qtgui_freq_sink_x_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0),
(self.qtgui_waterfall_sink_x_0, 0))
self.connect((self.interp_fir_filter_xxx_0, 0),
(self.analog_frequency_modulator_fc_0, 0))
self.connect((self.osmosdr_source_0, 0),
(self.freq_xlating_fir_filter_xxx_0, 0))
self.connect((self.pfb_arb_resampler_xxx_0, 0),
(self.blocks_multiply_xx_0, 0))
self.connect((self.satnogs_upsat_fsk_frame_encoder_0, 0),
(self.interp_fir_filter_xxx_0, 0))
def __init__(self,
bind_addr="0.0.0.0",
dest_addr="127.0.0.1",
lo_offset=100e3,
recv_port=16886,
rx_sdr_device="usrpb200",
send_port=5022,
tx_sdr_device="usrpb200",
wod_port=5023):
gr.top_block.__init__(self, "Upsat Transceiver Cli")
##################################################
# Parameters
##################################################
self.bind_addr = bind_addr
self.dest_addr = dest_addr
self.lo_offset = lo_offset
self.recv_port = recv_port
self.rx_sdr_device = rx_sdr_device
self.send_port = send_port
self.tx_sdr_device = tx_sdr_device
self.wod_port = wod_port
##################################################
# Variables
##################################################
self.samples_per_symbol_tx = samples_per_symbol_tx = 4 * 8
self.sq_wave = sq_wave = (1.0, ) * samples_per_symbol_tx
self.samp_rate_rx = samp_rate_rx = satnogs.hw_rx_settings[
rx_sdr_device]['samp_rate']
self.gaussian_taps = gaussian_taps = filter.firdes.gaussian(
1.0, samples_per_symbol_tx, 1.0, 4 * samples_per_symbol_tx)
self.deviation = deviation = 3.9973e3
self.decimation_rx = decimation_rx = 20
self.baud_rate_uplink = baud_rate_uplink = 1200
self.baud_rate_downlink = baud_rate_downlink = 9600
self.tx_frequency = tx_frequency = 145.835e6
self.taps = taps = firdes.low_pass(1.0, samp_rate_rx, 20000, 60000,
firdes.WIN_HAMMING, 6.76)
self.samp_rate_tx = samp_rate_tx = satnogs.hw_tx_settings[
rx_sdr_device]['samp_rate']
self.rx_frequency = rx_frequency = 435.765e6
self.modulation_index_uplink = modulation_index_uplink = deviation / (
baud_rate_uplink / 2.0)
self.modulation_index_downlink = modulation_index_downlink = deviation / (
baud_rate_downlink / 2.0)
self.interp_taps = interp_taps = numpy.convolve(
numpy.array(gaussian_taps), numpy.array(sq_wave))
self.first_stage_samp_rate_rx = first_stage_samp_rate_rx = samp_rate_rx / decimation_rx
##################################################
# Blocks
##################################################
self.satnogs_upsat_fsk_frame_encoder_0 = satnogs.upsat_fsk_frame_encoder(
[0x33] * 8, [0x7A, 0x0E], False, False, False, True, True, "ABCD",
0, "ON02GR", 0, 64)
self.satnogs_udp_msg_source_0 = satnogs.udp_msg_source(
bind_addr, recv_port, 1500)
self.satnogs_udp_msg_sink_0_0_0 = satnogs.udp_msg_sink(
dest_addr, wod_port, 1500)
self.satnogs_udp_msg_sink_0_0 = satnogs.udp_msg_sink(
dest_addr, send_port, 1500)
self.satnogs_qb50_deframer_0 = satnogs.qb50_deframer(0xe)
self.satnogs_multi_format_msg_sink_0 = satnogs.multi_format_msg_sink(1)
self.satnogs_ax25_decoder_bm_0 = satnogs.ax25_decoder_bm(
'GND', 0, False, True, 256, 3)
self.pfb_arb_resampler_xxx_0 = pfb.arb_resampler_ccf(
samp_rate_tx / (baud_rate_uplink * samples_per_symbol_tx),
taps=(firdes.low_pass_2(32, 32, 0.8, 0.1, 60)),
flt_size=32)
self.pfb_arb_resampler_xxx_0.declare_sample_delay(0)
self.osmosdr_source_0 = osmosdr.source(
args="numchan=" + str(1) + " " +
satnogs.hw_rx_settings[rx_sdr_device]['dev_arg'])
self.osmosdr_source_0.set_sample_rate(samp_rate_rx)
self.osmosdr_source_0.set_center_freq(rx_frequency - lo_offset, 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(
satnogs.hw_rx_settings[rx_sdr_device]['rf_gain'], 0)
self.osmosdr_source_0.set_if_gain(
satnogs.hw_rx_settings[rx_sdr_device]['if_gain'], 0)
self.osmosdr_source_0.set_bb_gain(
satnogs.hw_rx_settings[rx_sdr_device]['bb_gain'], 0)
self.osmosdr_source_0.set_antenna(
satnogs.hw_rx_settings[rx_sdr_device]['antenna'], 0)
self.osmosdr_source_0.set_bandwidth(samp_rate_rx, 0)
self.osmosdr_sink_0 = osmosdr.sink(
args="numchan=" + str(1) + " " +
satnogs.hw_tx_settings[rx_sdr_device]['dev_arg'])
self.osmosdr_sink_0.set_sample_rate(samp_rate_tx)
self.osmosdr_sink_0.set_center_freq(tx_frequency - lo_offset, 0)
self.osmosdr_sink_0.set_freq_corr(0, 0)
self.osmosdr_sink_0.set_gain(
satnogs.hw_tx_settings[tx_sdr_device]['rf_gain'], 0)
self.osmosdr_sink_0.set_if_gain(
satnogs.hw_tx_settings[tx_sdr_device]['if_gain'], 0)
self.osmosdr_sink_0.set_bb_gain(
satnogs.hw_tx_settings[tx_sdr_device]['bb_gain'], 0)
self.osmosdr_sink_0.set_antenna(
satnogs.hw_tx_settings[tx_sdr_device]['antenna'], 0)
self.osmosdr_sink_0.set_bandwidth(samp_rate_tx, 0)
self.interp_fir_filter_xxx_0 = filter.interp_fir_filter_fff(
samples_per_symbol_tx, (interp_taps))
self.interp_fir_filter_xxx_0.declare_sample_delay(0)
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(
decimation_rx, (taps), lo_offset, samp_rate_rx)
self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff(
first_stage_samp_rate_rx / baud_rate_downlink,
0.25 * 0.175 * 0.175, 0.5, 0.175, 0.005)
self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.analog_sig_source_x_0 = analog.sig_source_c(
samp_rate_tx, analog.GR_COS_WAVE, lo_offset, 1, 0)
self.analog_quadrature_demod_cf_0_0 = analog.quadrature_demod_cf(
((first_stage_samp_rate_rx) / baud_rate_downlink) /
(math.pi * modulation_index_downlink))
self.analog_frequency_modulator_fc_0 = analog.frequency_modulator_fc(
(math.pi * modulation_index_uplink) / samples_per_symbol_tx)
##################################################
# Connections
##################################################
self.msg_connect((self.satnogs_ax25_decoder_bm_0, 'failed_pdu'),
(self.satnogs_multi_format_msg_sink_0, 'in'))
self.msg_connect((self.satnogs_ax25_decoder_bm_0, 'pdu'),
(self.satnogs_qb50_deframer_0, 'in'))
self.msg_connect((self.satnogs_qb50_deframer_0, 'out'),
(self.satnogs_udp_msg_sink_0_0, 'in'))
self.msg_connect((self.satnogs_qb50_deframer_0, 'wod'),
(self.satnogs_udp_msg_sink_0_0_0, 'in'))
self.msg_connect((self.satnogs_udp_msg_source_0, 'msg'),
(self.satnogs_upsat_fsk_frame_encoder_0, 'pdu'))
self.connect((self.analog_frequency_modulator_fc_0, 0),
(self.pfb_arb_resampler_xxx_0, 0))
self.connect((self.analog_quadrature_demod_cf_0_0, 0),
(self.digital_clock_recovery_mm_xx_0, 0))
self.connect((self.analog_sig_source_x_0, 0),
(self.blocks_multiply_xx_0, 1))
self.connect((self.blocks_multiply_xx_0, 0), (self.osmosdr_sink_0, 0))
self.connect((self.digital_binary_slicer_fb_0, 0),
(self.satnogs_ax25_decoder_bm_0, 0))
self.connect((self.digital_clock_recovery_mm_xx_0, 0),
(self.digital_binary_slicer_fb_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0),
(self.analog_quadrature_demod_cf_0_0, 0))
self.connect((self.interp_fir_filter_xxx_0, 0),
(self.analog_frequency_modulator_fc_0, 0))
self.connect((self.osmosdr_source_0, 0),
(self.freq_xlating_fir_filter_xxx_0, 0))
self.connect((self.pfb_arb_resampler_xxx_0, 0),
(self.blocks_multiply_xx_0, 0))
self.connect((self.satnogs_upsat_fsk_frame_encoder_0, 0),
(self.interp_fir_filter_xxx_0, 0))
def __init__(self,
antenna=satnogs.not_set_antenna,
baudrate=1200,
bb_gain=satnogs.not_set_rx_bb_gain,
cw_offset=1500,
decoded_data_file_path='/tmp/.satnogs/data/data',
dev_args=satnogs.not_set_dev_args,
doppler_correction_per_sec=20,
enable_iq_dump=0,
file_path='test.ogg',
if_gain=satnogs.not_set_rx_if_gain,
iq_file_path='/tmp/iq.dat',
lo_offset=100e3,
ppm=0,
rf_gain=satnogs.not_set_rx_rf_gain,
rigctl_port=4532,
rx_freq=100e6,
rx_sdr_device='rtlsdr',
udp_IP='127.0.0.1',
udp_port=16887,
waterfall_file_path='/tmp/waterfall.dat'):
gr.top_block.__init__(self, "BPSK Decoder")
##################################################
# Parameters
##################################################
self.antenna = antenna
self.baudrate = baudrate
self.bb_gain = bb_gain
self.cw_offset = cw_offset
self.decoded_data_file_path = decoded_data_file_path
self.dev_args = dev_args
self.doppler_correction_per_sec = doppler_correction_per_sec
self.enable_iq_dump = enable_iq_dump
self.file_path = file_path
self.if_gain = if_gain
self.iq_file_path = iq_file_path
self.lo_offset = lo_offset
self.ppm = ppm
self.rf_gain = rf_gain
self.rigctl_port = rigctl_port
self.rx_freq = rx_freq
self.rx_sdr_device = rx_sdr_device
self.udp_IP = udp_IP
self.udp_port = udp_port
self.waterfall_file_path = waterfall_file_path
##################################################
# Variables
##################################################
self.samp_rate_rx = samp_rate_rx = satnogs.hw_rx_settings[
rx_sdr_device]['samp_rate']
self.samp_per_sym = samp_per_sym = 5
self.nfilts = nfilts = 16
self.xlate_filter_taps = xlate_filter_taps = firdes.low_pass(
1, samp_rate_rx, 125000, 25000, firdes.WIN_HAMMING, 6.76)
self.taps = taps = firdes.low_pass(12.0, samp_rate_rx, 100e3, 60000,
firdes.WIN_HAMMING, 6.76)
self.rrc_taps = rrc_taps = firdes.root_raised_cosine(
nfilts, nfilts, 1.0 / float(samp_per_sym), 0.35,
11 * samp_per_sym * nfilts)
self.filter_rate = filter_rate = 250000
self.filt_mode = filt_mode = 0.1
self.deviation = deviation = 5000
self.audio_samp_rate = audio_samp_rate = 48000
self.alpha = alpha = 0.1
##################################################
# Blocks
##################################################
self.satnogs_waterfall_sink_0 = satnogs.waterfall_sink(
max(12000, int(3 * (1 + alpha) * baudrate)), 0.0, 10, 1024,
waterfall_file_path, 1)
self.satnogs_udp_msg_sink_0_0 = satnogs.udp_msg_sink(
udp_IP, udp_port, 1500)
self.satnogs_tcp_rigctl_msg_source_0 = satnogs.tcp_rigctl_msg_source(
"127.0.0.1", rigctl_port, False, 1000 / doppler_correction_per_sec,
1500)
self.satnogs_ogg_encoder_0 = satnogs.ogg_encoder(
file_path, audio_samp_rate, 1.0)
self.satnogs_iq_sink_0 = satnogs.iq_sink(32767, iq_file_path, False,
enable_iq_dump)
self.satnogs_frame_file_sink_0_1_0 = satnogs.frame_file_sink(
decoded_data_file_path, 0)
self.satnogs_coarse_doppler_correction_cc_0 = satnogs.coarse_doppler_correction_cc(
rx_freq, samp_rate_rx)
self.satnogs_ax25_decoder_bm_0_0 = satnogs.ax25_decoder_bm(
'GND', 0, True, False, 1024)
self.satnogs_ax25_decoder_bm_0 = satnogs.ax25_decoder_bm(
'GND', 0, True, True, 1024)
self.osmosdr_source_0 = osmosdr.source(
args="numchan=" + str(1) + " " +
satnogs.handle_rx_dev_args(rx_sdr_device, dev_args))
self.osmosdr_source_0.set_sample_rate(samp_rate_rx)
self.osmosdr_source_0.set_center_freq(rx_freq - lo_offset, 0)
self.osmosdr_source_0.set_freq_corr(ppm, 0)
self.osmosdr_source_0.set_dc_offset_mode(2, 0)
self.osmosdr_source_0.set_iq_balance_mode(0, 0)
self.osmosdr_source_0.set_gain_mode(False, 0)
self.osmosdr_source_0.set_gain(
satnogs.handle_rx_rf_gain(rx_sdr_device, rf_gain), 0)
self.osmosdr_source_0.set_if_gain(
satnogs.handle_rx_if_gain(rx_sdr_device, if_gain), 0)
self.osmosdr_source_0.set_bb_gain(
satnogs.handle_rx_bb_gain(rx_sdr_device, bb_gain), 0)
self.osmosdr_source_0.set_antenna(
satnogs.handle_rx_antenna(rx_sdr_device, antenna), 0)
self.osmosdr_source_0.set_bandwidth(samp_rate_rx, 0)
self.low_pass_filter_0 = filter.fir_filter_ccf(
1,
firdes.low_pass(1, audio_samp_rate, (1 + alpha) * baudrate,
((1 + alpha) * baudrate) * filt_mode,
firdes.WIN_HAMMING, 6.76))
self.freq_xlating_fir_filter_xxx_0_0 = filter.freq_xlating_fir_filter_ccf(
audio_samp_rate / (samp_per_sym * baudrate),
(firdes.low_pass(1, audio_samp_rate, (1 + alpha) * baudrate,
(1 + alpha) * baudrate * filt_mode)),
cw_offset / 1200.0 * baudrate, audio_samp_rate)
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(
int(samp_rate_rx / filter_rate), (xlate_filter_taps), lo_offset,
samp_rate_rx)
self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(
samp_per_sym, 0.063, (rrc_taps), nfilts, nfilts / 2, 1.5, 1)
self.digital_costas_loop_cc_0_0_0_0 = digital.costas_loop_cc(
0.063, 2, False)
self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
self.blocks_multiply_xx_0_0 = blocks.multiply_vcc(1)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_complex_to_real_0_0 = blocks.complex_to_real(1)
self.blocks_complex_to_real_0 = blocks.complex_to_real(1)
self.blks2_rational_resampler_xxx_1_0 = filter.rational_resampler_ccc(
interpolation=max(12000, int(3 * (1 + alpha) * baudrate)),
decimation=48000,
taps=None,
fractional_bw=None,
)
self.blks2_rational_resampler_xxx_1 = filter.rational_resampler_ccc(
interpolation=audio_samp_rate,
decimation=int(samp_rate_rx / (samp_rate_rx / filter_rate)),
taps=None,
fractional_bw=None,
)
self.analog_sig_source_x_0 = analog.sig_source_c(
audio_samp_rate, analog.GR_COS_WAVE, cw_offset / 1200.0 * baudrate,
1, 0)
self.analog_agc2_xx_0_0 = analog.agc2_cc(0.01, 0.001, 0.015, 0.0)
self.analog_agc2_xx_0_0.set_max_gain(65536)
self.analog_agc2_xx_0 = analog.agc2_cc(0.01, 0.001, 0.5, 1.0)
self.analog_agc2_xx_0.set_max_gain(65536)
##################################################
# Connections
##################################################
self.msg_connect((self.satnogs_ax25_decoder_bm_0, 'pdu'),
(self.satnogs_frame_file_sink_0_1_0, 'frame'))
self.msg_connect((self.satnogs_ax25_decoder_bm_0, 'pdu'),
(self.satnogs_udp_msg_sink_0_0, 'in'))
self.msg_connect((self.satnogs_ax25_decoder_bm_0_0, 'pdu'),
(self.satnogs_frame_file_sink_0_1_0, 'frame'))
self.msg_connect((self.satnogs_ax25_decoder_bm_0_0, 'pdu'),
(self.satnogs_udp_msg_sink_0_0, 'in'))
self.msg_connect((self.satnogs_tcp_rigctl_msg_source_0, 'freq'),
(self.satnogs_coarse_doppler_correction_cc_0, 'freq'))
self.connect((self.analog_agc2_xx_0, 0),
(self.digital_pfb_clock_sync_xxx_0, 0))
self.connect((self.analog_agc2_xx_0_0, 0),
(self.blocks_multiply_xx_0, 1))
self.connect((self.analog_sig_source_x_0, 0),
(self.blocks_multiply_xx_0, 0))
self.connect((self.analog_sig_source_x_0, 0),
(self.blocks_multiply_xx_0_0, 0))
self.connect((self.blks2_rational_resampler_xxx_1, 0),
(self.blks2_rational_resampler_xxx_1_0, 0))
self.connect((self.blks2_rational_resampler_xxx_1, 0),
(self.blocks_multiply_xx_0_0, 1))
self.connect((self.blks2_rational_resampler_xxx_1, 0),
(self.low_pass_filter_0, 0))
self.connect((self.blks2_rational_resampler_xxx_1, 0),
(self.satnogs_iq_sink_0, 0))
self.connect((self.blks2_rational_resampler_xxx_1_0, 0),
(self.satnogs_waterfall_sink_0, 0))
self.connect((self.blocks_complex_to_real_0, 0),
(self.satnogs_ogg_encoder_0, 0))
self.connect((self.blocks_complex_to_real_0_0, 0),
(self.digital_binary_slicer_fb_0, 0))
self.connect((self.blocks_multiply_xx_0, 0),
(self.blocks_complex_to_real_0, 0))
self.connect((self.blocks_multiply_xx_0_0, 0),
(self.freq_xlating_fir_filter_xxx_0_0, 0))
self.connect((self.digital_binary_slicer_fb_0, 0),
(self.satnogs_ax25_decoder_bm_0, 0))
self.connect((self.digital_binary_slicer_fb_0, 0),
(self.satnogs_ax25_decoder_bm_0_0, 0))
self.connect((self.digital_costas_loop_cc_0_0_0_0, 0),
(self.blocks_complex_to_real_0_0, 0))
self.connect((self.digital_pfb_clock_sync_xxx_0, 0),
(self.digital_costas_loop_cc_0_0_0_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0),
(self.blks2_rational_resampler_xxx_1, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0_0, 0),
(self.analog_agc2_xx_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.analog_agc2_xx_0_0, 0))
self.connect((self.osmosdr_source_0, 0),
(self.satnogs_coarse_doppler_correction_cc_0, 0))
self.connect((self.satnogs_coarse_doppler_correction_cc_0, 0),
(self.freq_xlating_fir_filter_xxx_0, 0))
def __init__(self, bind_addr="0.0.0.0", dest_addr="127.0.0.1", lo_offset=100e3, recv_port=16886, rx_sdr_device="usrpb200", send_port=5022, tx_sdr_device="usrpb200", wod_port=5023):
gr.top_block.__init__(self, "UPSat Tranceiver")
##################################################
# Parameters
##################################################
self.bind_addr = bind_addr
self.dest_addr = dest_addr
self.lo_offset = lo_offset
self.recv_port = recv_port
self.rx_sdr_device = rx_sdr_device
self.send_port = send_port
self.tx_sdr_device = tx_sdr_device
self.wod_port = wod_port
##################################################
# Variables
##################################################
self.samples_per_symbol_tx = samples_per_symbol_tx = 4*8
self.sq_wave = sq_wave = (1.0, ) * samples_per_symbol_tx
self.samp_rate_rx = samp_rate_rx = satnogs.hw_rx_settings[rx_sdr_device]['samp_rate']
self.gaussian_taps = gaussian_taps = filter.firdes.gaussian(1.0, samples_per_symbol_tx, 1.0, 4*samples_per_symbol_tx)
self.deviation = deviation = 3.9973e3
self.decimation_rx = decimation_rx = 20
self.baud_rate_uplink = baud_rate_uplink = 1200
self.baud_rate_downlink = baud_rate_downlink = 9600
self.tx_frequency = tx_frequency = 145.835e6
self.taps = taps = firdes.low_pass(1.0, samp_rate_rx, 20000, 60000, firdes.WIN_HAMMING, 6.76)
self.samp_rate_tx = samp_rate_tx = satnogs.hw_tx_settings[rx_sdr_device]['samp_rate']
self.rx_frequency = rx_frequency = 435.765e6
self.modulation_index_uplink = modulation_index_uplink = deviation / (baud_rate_uplink / 2.0)
self.modulation_index_downlink = modulation_index_downlink = deviation / (baud_rate_downlink / 2.0)
self.interp_taps = interp_taps = numpy.convolve(numpy.array(gaussian_taps), numpy.array(sq_wave))
self.first_stage_samp_rate_rx = first_stage_samp_rate_rx = samp_rate_rx / decimation_rx
##################################################
# Blocks
##################################################
self.satnogs_upsat_fsk_frame_encoder_0 = satnogs.upsat_fsk_frame_encoder([0x33]*8 , [0x7A, 0x0E], False, False, False, True, True, "ABCD", 0, "ON02GR", 0, 64)
self.satnogs_udp_msg_source_0 = satnogs.udp_msg_source(bind_addr, recv_port, 1500)
self.satnogs_udp_msg_sink_0_0_0 = satnogs.udp_msg_sink(dest_addr, wod_port, 1500)
self.satnogs_udp_msg_sink_0_0 = satnogs.udp_msg_sink(dest_addr, send_port, 1500)
self.satnogs_qb50_deframer_0 = satnogs.qb50_deframer(0xe)
self.satnogs_multi_format_msg_sink_0 = satnogs.multi_format_msg_sink(1)
self.satnogs_ax25_decoder_bm_0 = satnogs.ax25_decoder_bm('GND', 0, False, True, 256, 3)
self.pfb_arb_resampler_xxx_0 = pfb.arb_resampler_ccf(
samp_rate_tx / (baud_rate_uplink * samples_per_symbol_tx),
taps=(firdes.low_pass_2(32, 32, 0.8, 0.1, 60)),
flt_size=32)
self.pfb_arb_resampler_xxx_0.declare_sample_delay(0)
self.osmosdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + satnogs.hw_rx_settings[rx_sdr_device]['dev_arg'] )
self.osmosdr_source_0.set_sample_rate(samp_rate_rx)
self.osmosdr_source_0.set_center_freq(rx_frequency - lo_offset, 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(satnogs.hw_rx_settings[rx_sdr_device]['rf_gain'], 0)
self.osmosdr_source_0.set_if_gain(satnogs.hw_rx_settings[rx_sdr_device]['if_gain'], 0)
self.osmosdr_source_0.set_bb_gain(satnogs.hw_rx_settings[rx_sdr_device]['bb_gain'], 0)
self.osmosdr_source_0.set_antenna(satnogs.hw_rx_settings[rx_sdr_device]['antenna'], 0)
self.osmosdr_source_0.set_bandwidth(samp_rate_rx, 0)
self.osmosdr_sink_0 = osmosdr.sink( args="numchan=" + str(1) + " " + satnogs.hw_tx_settings[rx_sdr_device]['dev_arg'] )
self.osmosdr_sink_0.set_sample_rate(samp_rate_tx)
self.osmosdr_sink_0.set_center_freq(tx_frequency - lo_offset, 0)
self.osmosdr_sink_0.set_freq_corr(0, 0)
self.osmosdr_sink_0.set_gain(satnogs.hw_tx_settings[tx_sdr_device]['rf_gain'], 0)
self.osmosdr_sink_0.set_if_gain(satnogs.hw_tx_settings[tx_sdr_device]['if_gain'], 0)
self.osmosdr_sink_0.set_bb_gain(satnogs.hw_tx_settings[tx_sdr_device]['bb_gain'], 0)
self.osmosdr_sink_0.set_antenna(satnogs.hw_tx_settings[tx_sdr_device]['antenna'], 0)
self.osmosdr_sink_0.set_bandwidth(samp_rate_tx, 0)
self.interp_fir_filter_xxx_0 = filter.interp_fir_filter_fff(samples_per_symbol_tx, (interp_taps))
self.interp_fir_filter_xxx_0.declare_sample_delay(0)
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(decimation_rx, (taps), lo_offset, samp_rate_rx)
self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff(first_stage_samp_rate_rx/baud_rate_downlink, 0.25*0.175*0.175, 0.5, 0.175, 0.005)
self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.analog_sig_source_x_0 = analog.sig_source_c(samp_rate_tx, analog.GR_COS_WAVE, lo_offset , 1, 0)
self.analog_quadrature_demod_cf_0_0 = analog.quadrature_demod_cf(((first_stage_samp_rate_rx) / baud_rate_downlink)/(math.pi*modulation_index_downlink))
self.analog_frequency_modulator_fc_0 = analog.frequency_modulator_fc((math.pi*modulation_index_uplink) / samples_per_symbol_tx)
##################################################
# Connections
##################################################
self.msg_connect((self.satnogs_ax25_decoder_bm_0, 'failed_pdu'), (self.satnogs_multi_format_msg_sink_0, 'in'))
self.msg_connect((self.satnogs_ax25_decoder_bm_0, 'pdu'), (self.satnogs_qb50_deframer_0, 'in'))
self.msg_connect((self.satnogs_qb50_deframer_0, 'out'), (self.satnogs_udp_msg_sink_0_0, 'in'))
self.msg_connect((self.satnogs_qb50_deframer_0, 'wod'), (self.satnogs_udp_msg_sink_0_0_0, 'in'))
self.msg_connect((self.satnogs_udp_msg_source_0, 'msg'), (self.satnogs_upsat_fsk_frame_encoder_0, 'pdu'))
self.connect((self.analog_frequency_modulator_fc_0, 0), (self.pfb_arb_resampler_xxx_0, 0))
self.connect((self.analog_quadrature_demod_cf_0_0, 0), (self.digital_clock_recovery_mm_xx_0, 0))
self.connect((self.analog_sig_source_x_0, 0), (self.blocks_multiply_xx_0, 1))
self.connect((self.blocks_multiply_xx_0, 0), (self.osmosdr_sink_0, 0))
self.connect((self.digital_binary_slicer_fb_0, 0), (self.satnogs_ax25_decoder_bm_0, 0))
self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.digital_binary_slicer_fb_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.analog_quadrature_demod_cf_0_0, 0))
self.connect((self.interp_fir_filter_xxx_0, 0), (self.analog_frequency_modulator_fc_0, 0))
self.connect((self.osmosdr_source_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.blocks_multiply_xx_0, 0))
self.connect((self.satnogs_upsat_fsk_frame_encoder_0, 0), (self.interp_fir_filter_xxx_0, 0))
def __init__(self,
antenna=satnogs.not_set_antenna,
baudrate=9600.0,
bb_gain=satnogs.not_set_rx_bb_gain,
dev_args=satnogs.not_set_dev_args,
doppler_correction_per_sec=1000,
enable_iq_dump=0,
file_path='test.wav',
if_gain=satnogs.not_set_rx_if_gain,
iq_file_path='/tmp/iq.dat',
lo_offset=100e3,
ppm=0,
rf_gain=satnogs.not_set_rx_rf_gain,
rigctl_port=4532,
rx_freq=100e6,
rx_sdr_device='usrpb200',
samp_rate_rx=satnogs.not_set_samp_rate_rx,
udp_IP='127.0.0.1',
udp_port=16887,
waterfall_file_path='/tmp/waterfall.dat'):
gr.top_block.__init__(self, "msk_ax25")
##################################################
# Parameters
##################################################
self.antenna = antenna
self.baudrate = baudrate
self.bb_gain = bb_gain
self.dev_args = dev_args
self.doppler_correction_per_sec = doppler_correction_per_sec
self.enable_iq_dump = enable_iq_dump
self.file_path = file_path
self.if_gain = if_gain
self.iq_file_path = iq_file_path
self.lo_offset = lo_offset
self.ppm = ppm
self.rf_gain = rf_gain
self.rigctl_port = rigctl_port
self.rx_freq = rx_freq
self.rx_sdr_device = rx_sdr_device
self.samp_rate_rx = samp_rate_rx
self.udp_IP = udp_IP
self.udp_port = udp_port
self.waterfall_file_path = waterfall_file_path
##################################################
# Variables
##################################################
self.audio_samp_rate = audio_samp_rate = 48000
##################################################
# Blocks
##################################################
self.satnogs_waterfall_sink_0 = satnogs.waterfall_sink(
audio_samp_rate, 0.0, 10, 1024, waterfall_file_path, 1)
self.satnogs_udp_msg_sink_0_0 = satnogs.udp_msg_sink(
udp_IP, udp_port, 1500)
self.satnogs_tcp_rigctl_msg_source_0 = satnogs.tcp_rigctl_msg_source(
"127.0.0.1", rigctl_port, False, 1000, 1500)
self.satnogs_quad_demod_filter_ff_0 = satnogs.quad_demod_filter_ff(1.2)
self.satnogs_ogg_encoder_0 = satnogs.ogg_encoder(
file_path, audio_samp_rate, 1.0)
self.satnogs_iq_sink_0 = satnogs.iq_sink(16768, iq_file_path, False,
enable_iq_dump)
self.satnogs_frame_file_sink_0_1_0 = satnogs.frame_file_sink(
'decoded_data_file_path', 0)
self.satnogs_coarse_doppler_correction_cc_0 = satnogs.coarse_doppler_correction_cc(
rx_freq, audio_samp_rate)
self.satnogs_ax25_decoder_bm_0_0 = satnogs.ax25_decoder_bm(
'GND', 0, True, False, 1024)
self.satnogs_ax25_decoder_bm_0 = satnogs.ax25_decoder_bm(
'GND', 0, True, True, 1024)
self.pfb_arb_resampler_xxx_0_0 = pfb.arb_resampler_ccf(
(2.0 * baudrate) / audio_samp_rate, taps=None, flt_size=32)
self.pfb_arb_resampler_xxx_0_0.declare_sample_delay(0)
self.pfb_arb_resampler_xxx_0 = pfb.arb_resampler_ccf(
audio_samp_rate /
satnogs.handle_samp_rate_rx(rx_sdr_device, samp_rate_rx),
taps=None,
flt_size=32)
self.pfb_arb_resampler_xxx_0.declare_sample_delay(0)
self.osmosdr_source_0 = osmosdr.source(
args="numchan=" + str(1) + " " +
satnogs.handle_rx_dev_args(rx_sdr_device, dev_args))
self.osmosdr_source_0.set_sample_rate(
satnogs.handle_samp_rate_rx(rx_sdr_device, samp_rate_rx))
self.osmosdr_source_0.set_center_freq(rx_freq - lo_offset, 0)
self.osmosdr_source_0.set_freq_corr(ppm, 0)
self.osmosdr_source_0.set_dc_offset_mode(2, 0)
self.osmosdr_source_0.set_iq_balance_mode(0, 0)
self.osmosdr_source_0.set_gain_mode(False, 0)
self.osmosdr_source_0.set_gain(
satnogs.handle_rx_rf_gain(rx_sdr_device, rf_gain), 0)
self.osmosdr_source_0.set_if_gain(
satnogs.handle_rx_if_gain(rx_sdr_device, if_gain), 0)
self.osmosdr_source_0.set_bb_gain(
satnogs.handle_rx_bb_gain(rx_sdr_device, bb_gain), 0)
self.osmosdr_source_0.set_antenna(
satnogs.handle_rx_antenna(rx_sdr_device, antenna), 0)
self.osmosdr_source_0.set_bandwidth(
satnogs.handle_samp_rate_rx(rx_sdr_device, samp_rate_rx), 0)
self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff(
2, 0.25 * 0.175 * 0.175, 0.5, 0.175, 0.005)
self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
self.dc_blocker_xx_0_0 = filter.dc_blocker_ff(1024, True)
self.dc_blocker_xx_0 = filter.dc_blocker_ff(1024, True)
self.analog_quadrature_demod_cf_0_0_0 = analog.quadrature_demod_cf(0.9)
self.analog_quadrature_demod_cf_0_0 = analog.quadrature_demod_cf(1.2)
##################################################
# Connections
##################################################
self.msg_connect((self.satnogs_ax25_decoder_bm_0, 'pdu'),
(self.satnogs_frame_file_sink_0_1_0, 'frame'))
self.msg_connect((self.satnogs_ax25_decoder_bm_0, 'pdu'),
(self.satnogs_udp_msg_sink_0_0, 'in'))
self.msg_connect((self.satnogs_ax25_decoder_bm_0_0, 'pdu'),
(self.satnogs_frame_file_sink_0_1_0, 'frame'))
self.msg_connect((self.satnogs_ax25_decoder_bm_0_0, 'pdu'),
(self.satnogs_udp_msg_sink_0_0, 'in'))
self.msg_connect((self.satnogs_tcp_rigctl_msg_source_0, 'freq'),
(self.satnogs_coarse_doppler_correction_cc_0, 'freq'))
self.connect((self.analog_quadrature_demod_cf_0_0, 0),
(self.dc_blocker_xx_0, 0))
self.connect((self.analog_quadrature_demod_cf_0_0_0, 0),
(self.dc_blocker_xx_0_0, 0))
self.connect((self.dc_blocker_xx_0, 0),
(self.digital_clock_recovery_mm_xx_0, 0))
self.connect((self.dc_blocker_xx_0_0, 0),
(self.satnogs_ogg_encoder_0, 0))
self.connect((self.digital_binary_slicer_fb_0, 0),
(self.satnogs_ax25_decoder_bm_0, 0))
self.connect((self.digital_binary_slicer_fb_0, 0),
(self.satnogs_ax25_decoder_bm_0_0, 0))
self.connect((self.digital_clock_recovery_mm_xx_0, 0),
(self.satnogs_quad_demod_filter_ff_0, 0))
self.connect((self.osmosdr_source_0, 0),
(self.pfb_arb_resampler_xxx_0, 0))
self.connect((self.pfb_arb_resampler_xxx_0, 0),
(self.satnogs_coarse_doppler_correction_cc_0, 0))
self.connect((self.pfb_arb_resampler_xxx_0_0, 0),
(self.analog_quadrature_demod_cf_0_0, 0))
self.connect((self.pfb_arb_resampler_xxx_0_0, 0),
(self.satnogs_iq_sink_0, 0))
self.connect((self.pfb_arb_resampler_xxx_0_0, 0),
(self.satnogs_waterfall_sink_0, 0))
self.connect((self.satnogs_coarse_doppler_correction_cc_0, 0),
(self.analog_quadrature_demod_cf_0_0_0, 0))
self.connect((self.satnogs_coarse_doppler_correction_cc_0, 0),
(self.pfb_arb_resampler_xxx_0_0, 0))
self.connect((self.satnogs_quad_demod_filter_ff_0, 0),
(self.digital_binary_slicer_fb_0, 0))
def __init__(self, antenna=satnogs.not_set_antenna, bb_gain=satnogs.not_set_rx_bb_gain, decoded_data_file_path='/tmp/.satnogs/data/data', dev_args=satnogs.not_set_dev_args, doppler_correction_per_sec=1000, enable_iq_dump=0, file_path='test.wav', if_gain=satnogs.not_set_rx_if_gain, iq_file_path='/tmp/iq.dat', lo_offset=100e3, ppm=0, rf_gain=satnogs.not_set_rx_rf_gain, rigctl_port=4532, rx_freq=100e6, rx_sdr_device='usrpb200', udp_IP='127.0.0.1', udp_port=16887, waterfall_file_path='/tmp/waterfall.dat'):
gr.top_block.__init__(self, "FSK9600 AX.25 decoder ")
##################################################
# Parameters
##################################################
self.antenna = antenna
self.bb_gain = bb_gain
self.decoded_data_file_path = decoded_data_file_path
self.dev_args = dev_args
self.doppler_correction_per_sec = doppler_correction_per_sec
self.enable_iq_dump = enable_iq_dump
self.file_path = file_path
self.if_gain = if_gain
self.iq_file_path = iq_file_path
self.lo_offset = lo_offset
self.ppm = ppm
self.rf_gain = rf_gain
self.rigctl_port = rigctl_port
self.rx_freq = rx_freq
self.rx_sdr_device = rx_sdr_device
self.udp_IP = udp_IP
self.udp_port = udp_port
self.waterfall_file_path = waterfall_file_path
##################################################
# Variables
##################################################
self.samp_rate_rx = samp_rate_rx = satnogs.hw_rx_settings[rx_sdr_device]['samp_rate']
self.deviation = deviation = 5000
self.baud_rate = baud_rate = 9600
self.xlate_filter_taps = xlate_filter_taps = firdes.low_pass(1, samp_rate_rx, 125000, 25000, firdes.WIN_HAMMING, 6.76)
self.taps = taps = firdes.low_pass(12.0, samp_rate_rx, 100e3, 60000, firdes.WIN_HAMMING, 6.76)
self.modulation_index = modulation_index = deviation / (baud_rate / 2.0)
self.filter_rate = filter_rate = 250000
self.audio_samp_rate = audio_samp_rate = 48000
self.audio_gain = audio_gain = satnogs.fm_demod_settings[rx_sdr_device]['audio_gain']
##################################################
# Blocks
##################################################
self.satnogs_waterfall_sink_0 = satnogs.waterfall_sink(audio_samp_rate, 0.0, 10, 1024, waterfall_file_path, 1)
self.satnogs_udp_msg_sink_0_0 = satnogs.udp_msg_sink(udp_IP, udp_port, 1500)
self.satnogs_tcp_rigctl_msg_source_0 = satnogs.tcp_rigctl_msg_source("127.0.0.1", rigctl_port, False, 1000, 1500)
self.satnogs_quad_demod_filter_ff_0 = satnogs.quad_demod_filter_ff(((audio_samp_rate) / baud_rate)/(math.pi*modulation_index))
self.satnogs_ogg_encoder_0 = satnogs.ogg_encoder(file_path, audio_samp_rate, 1.0)
self.satnogs_iq_sink_0 = satnogs.iq_sink(16768, '/tmp/iq.bin', False, enable_iq_dump)
self.satnogs_frame_file_sink_0_1_0 = satnogs.frame_file_sink(decoded_data_file_path, 0)
self.satnogs_coarse_doppler_correction_cc_0 = satnogs.coarse_doppler_correction_cc(rx_freq, samp_rate_rx)
self.satnogs_ax25_decoder_bm_0 = satnogs.ax25_decoder_bm('GND', 0, True, False, 1024)
self.osmosdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + satnogs.handle_rx_dev_args(rx_sdr_device, dev_args) )
self.osmosdr_source_0.set_sample_rate(samp_rate_rx)
self.osmosdr_source_0.set_center_freq(rx_freq - lo_offset, 0)
self.osmosdr_source_0.set_freq_corr(ppm, 0)
self.osmosdr_source_0.set_dc_offset_mode(2, 0)
self.osmosdr_source_0.set_iq_balance_mode(0, 0)
self.osmosdr_source_0.set_gain_mode(False, 0)
self.osmosdr_source_0.set_gain(satnogs.handle_rx_rf_gain(rx_sdr_device, rf_gain), 0)
self.osmosdr_source_0.set_if_gain(satnogs.handle_rx_if_gain(rx_sdr_device, if_gain), 0)
self.osmosdr_source_0.set_bb_gain(satnogs.handle_rx_bb_gain(rx_sdr_device, bb_gain), 0)
self.osmosdr_source_0.set_antenna(satnogs.handle_rx_antenna(rx_sdr_device, antenna), 0)
self.osmosdr_source_0.set_bandwidth(samp_rate_rx, 0)
self.low_pass_filter_0 = filter.fir_filter_fff(1, firdes.low_pass(
1, audio_samp_rate, 7850, audio_samp_rate * 0.15, firdes.WIN_HAMMING, 6.76))
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(int(samp_rate_rx/filter_rate), (xlate_filter_taps), lo_offset, samp_rate_rx)
self.digital_costas_loop_cc_0 = digital.costas_loop_cc(2.0 * math.pi / 100.0, 2, False)
self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff(48e3/9600, 0.25*0.175*0.175, 0.5, 0.175, 0.005)
self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
self.dc_blocker_xx_0 = filter.dc_blocker_ff(1024, True)
self.blks2_rational_resampler_xxx_1 = filter.rational_resampler_ccc(
interpolation=48000,
decimation=int(samp_rate_rx / (int(samp_rate_rx/filter_rate))),
taps=None,
fractional_bw=None,
)
self.analog_quadrature_demod_cf_0_0 = analog.quadrature_demod_cf(((audio_samp_rate) / baud_rate)/(math.pi*modulation_index))
##################################################
# Connections
##################################################
self.msg_connect((self.satnogs_ax25_decoder_bm_0, 'pdu'), (self.satnogs_frame_file_sink_0_1_0, 'frame'))
self.msg_connect((self.satnogs_ax25_decoder_bm_0, 'pdu'), (self.satnogs_udp_msg_sink_0_0, 'in'))
self.msg_connect((self.satnogs_tcp_rigctl_msg_source_0, 'freq'), (self.satnogs_coarse_doppler_correction_cc_0, 'freq'))
self.connect((self.analog_quadrature_demod_cf_0_0, 0), (self.dc_blocker_xx_0, 0))
self.connect((self.blks2_rational_resampler_xxx_1, 0), (self.analog_quadrature_demod_cf_0_0, 0))
self.connect((self.blks2_rational_resampler_xxx_1, 0), (self.satnogs_iq_sink_0, 0))
self.connect((self.blks2_rational_resampler_xxx_1, 0), (self.satnogs_waterfall_sink_0, 0))
self.connect((self.dc_blocker_xx_0, 0), (self.low_pass_filter_0, 0))
self.connect((self.digital_binary_slicer_fb_0, 0), (self.satnogs_ax25_decoder_bm_0, 0))
self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.satnogs_quad_demod_filter_ff_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0), (self.blks2_rational_resampler_xxx_1, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.digital_costas_loop_cc_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.digital_clock_recovery_mm_xx_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.satnogs_ogg_encoder_0, 0))
self.connect((self.osmosdr_source_0, 0), (self.satnogs_coarse_doppler_correction_cc_0, 0))
self.connect((self.satnogs_coarse_doppler_correction_cc_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
self.connect((self.satnogs_quad_demod_filter_ff_0, 0), (self.digital_binary_slicer_fb_0, 0))
def __init__(self, bind_addr='0.0.0.0', dest_addr='127.0.0.1', lo_offset=100e3, recv_port=16886, rx_sdr_device='usrpb200', send_port=5022, tx_sdr_device='usrpb200', wod_port=5023):
gr.top_block.__init__(self, "UPSat Transceiver QT")
Qt.QWidget.__init__(self)
self.setWindowTitle("UPSat Transceiver QT")
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", "upsat_transceiver_qt")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Parameters
##################################################
self.bind_addr = bind_addr
self.dest_addr = dest_addr
self.lo_offset = lo_offset
self.recv_port = recv_port
self.rx_sdr_device = rx_sdr_device
self.send_port = send_port
self.tx_sdr_device = tx_sdr_device
self.wod_port = wod_port
##################################################
# Variables
##################################################
self.samples_per_symbol_tx = samples_per_symbol_tx = 4*8
self.sq_wave = sq_wave = (1.0, ) * samples_per_symbol_tx
self.samp_rate_rx = samp_rate_rx = satnogs.hw_rx_settings[rx_sdr_device]['samp_rate']
self.gaussian_taps = gaussian_taps = filter.firdes.gaussian(1.0, samples_per_symbol_tx, 1.0, 4*samples_per_symbol_tx)
self.deviation = deviation = 3.9973e3
self.decimation_rx = decimation_rx = 20
self.baud_rate_uplink = baud_rate_uplink = 1200
self.baud_rate_downlink = baud_rate_downlink = 9600
self.tx_frequency = tx_frequency = 145.835e6
self.taps = taps = firdes.low_pass(1.0, samp_rate_rx, 20000, 60000, firdes.WIN_HAMMING, 6.76)
self.samp_rate_tx = samp_rate_tx = satnogs.hw_tx_settings[rx_sdr_device]['samp_rate']
self.rx_frequency = rx_frequency = 435.765e6
self.modulation_index_uplink = modulation_index_uplink = deviation / (baud_rate_uplink / 2.0)
self.modulation_index_downlink = modulation_index_downlink = deviation / (baud_rate_downlink / 2.0)
self.interp_taps = interp_taps = numpy.convolve(numpy.array(gaussian_taps), numpy.array(sq_wave))
self.first_stage_samp_rate_rx = first_stage_samp_rate_rx = samp_rate_rx / decimation_rx
##################################################
# Blocks
##################################################
self.satnogs_upsat_fsk_frame_encoder_0 = satnogs.upsat_fsk_frame_encoder([0x33]*8 , [0x7A, 0x0E], False, False, False, True, True, 'ABCD', 0, 'ON02GR', 0, 64)
self.satnogs_udp_msg_source_0 = satnogs.udp_msg_source(bind_addr, recv_port, 1500, 0)
self.satnogs_udp_msg_sink_0_0_0 = satnogs.udp_msg_sink(dest_addr, wod_port, 1500)
self.satnogs_udp_msg_sink_0_0 = satnogs.udp_msg_sink(dest_addr, send_port, 1500)
self.satnogs_qb50_deframer_0 = satnogs.qb50_deframer(0xe)
self.satnogs_multi_format_msg_sink_0 = satnogs.multi_format_msg_sink(1, False, True, '')
self.satnogs_ax25_decoder_bm_0 = satnogs.ax25_decoder_bm('GND', 0, False, True, 256, 3)
self.qtgui_waterfall_sink_x_0 = qtgui.waterfall_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
50e3, #bw
"", #name
1 #number of inputs
)
self.qtgui_waterfall_sink_x_0.set_update_time(0.10)
self.qtgui_waterfall_sink_x_0.enable_grid(False)
self.qtgui_waterfall_sink_x_0.enable_axis_labels(True)
if not True:
self.qtgui_waterfall_sink_x_0.disable_legend()
if "complex" == "float" or "complex" == "msg_float":
self.qtgui_waterfall_sink_x_0.set_plot_pos_half(not True)
labels = ['', '', '', '', '',
'', '', '', '', '']
colors = [0, 0, 0, 0, 0,
0, 0, 0, 0, 0]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_waterfall_sink_x_0.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_waterfall_sink_x_0.set_line_label(i, labels[i])
self.qtgui_waterfall_sink_x_0.set_color_map(i, colors[i])
self.qtgui_waterfall_sink_x_0.set_line_alpha(i, alphas[i])
self.qtgui_waterfall_sink_x_0.set_intensity_range(-140, 10)
self._qtgui_waterfall_sink_x_0_win = sip.wrapinstance(self.qtgui_waterfall_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_waterfall_sink_x_0_win)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate_rx/decimation_rx, #bw
"", #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, 0)
self.qtgui_freq_sink_x_0.set_y_label('Relative Gain', 'dB')
self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "")
self.qtgui_freq_sink_x_0.enable_autoscale(False)
self.qtgui_freq_sink_x_0.enable_grid(True)
self.qtgui_freq_sink_x_0.set_fft_average(1.0)
self.qtgui_freq_sink_x_0.enable_axis_labels(True)
self.qtgui_freq_sink_x_0.enable_control_panel(True)
if not True:
self.qtgui_freq_sink_x_0.disable_legend()
if "complex" == "float" or "complex" == "msg_float":
self.qtgui_freq_sink_x_0.set_plot_pos_half(not True)
labels = ['', '', '', '', '',
'', '', '', '', '']
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ["blue", "red", "green", "black", "cyan",
"magenta", "yellow", "dark red", "dark green", "dark blue"]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_freq_sink_x_0.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_0.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_0.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_0.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_freq_sink_x_0_win)
self.pfb_arb_resampler_xxx_0 = pfb.arb_resampler_ccf(
samp_rate_tx / (baud_rate_uplink * samples_per_symbol_tx),
taps=(firdes.low_pass_2(32, 32, 0.8, 0.1, 60)),
flt_size=32)
self.pfb_arb_resampler_xxx_0.declare_sample_delay(0)
self.osmosdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + satnogs.hw_rx_settings[rx_sdr_device]['dev_arg'] )
self.osmosdr_source_0.set_sample_rate(samp_rate_rx)
self.osmosdr_source_0.set_center_freq(rx_frequency - lo_offset, 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(satnogs.hw_rx_settings[rx_sdr_device]['rf_gain'], 0)
self.osmosdr_source_0.set_if_gain(satnogs.hw_rx_settings[rx_sdr_device]['if_gain'], 0)
self.osmosdr_source_0.set_bb_gain(satnogs.hw_rx_settings[rx_sdr_device]['bb_gain'], 0)
self.osmosdr_source_0.set_antenna(satnogs.hw_rx_settings[rx_sdr_device]['antenna'], 0)
self.osmosdr_source_0.set_bandwidth(samp_rate_rx, 0)
self.osmosdr_sink_0 = osmosdr.sink( args="numchan=" + str(1) + " " + satnogs.hw_tx_settings[rx_sdr_device]['dev_arg'] )
self.osmosdr_sink_0.set_sample_rate(samp_rate_tx)
self.osmosdr_sink_0.set_center_freq(tx_frequency - lo_offset, 0)
self.osmosdr_sink_0.set_freq_corr(0, 0)
self.osmosdr_sink_0.set_gain(satnogs.hw_tx_settings[tx_sdr_device]['rf_gain'], 0)
self.osmosdr_sink_0.set_if_gain(satnogs.hw_tx_settings[tx_sdr_device]['if_gain'], 0)
self.osmosdr_sink_0.set_bb_gain(satnogs.hw_tx_settings[tx_sdr_device]['bb_gain'], 0)
self.osmosdr_sink_0.set_antenna(satnogs.hw_tx_settings[tx_sdr_device]['antenna'], 0)
self.osmosdr_sink_0.set_bandwidth(samp_rate_tx, 0)
self.interp_fir_filter_xxx_0 = filter.interp_fir_filter_fff(samples_per_symbol_tx, (interp_taps))
self.interp_fir_filter_xxx_0.declare_sample_delay(0)
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(decimation_rx, (taps), lo_offset, samp_rate_rx)
self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff(first_stage_samp_rate_rx/baud_rate_downlink, 0.25*0.175*0.175, 0.5, 0.175, 0.005)
self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.analog_sig_source_x_0 = analog.sig_source_c(samp_rate_tx, analog.GR_COS_WAVE, lo_offset , 1, 0)
self.analog_quadrature_demod_cf_0_0 = analog.quadrature_demod_cf(((first_stage_samp_rate_rx) / baud_rate_downlink)/(math.pi*modulation_index_downlink))
self.analog_frequency_modulator_fc_0 = analog.frequency_modulator_fc((math.pi*modulation_index_uplink) / samples_per_symbol_tx)
##################################################
# Connections
##################################################
self.msg_connect((self.satnogs_ax25_decoder_bm_0, 'failed_pdu'), (self.satnogs_multi_format_msg_sink_0, 'in'))
self.msg_connect((self.satnogs_ax25_decoder_bm_0, 'pdu'), (self.satnogs_qb50_deframer_0, 'in'))
self.msg_connect((self.satnogs_qb50_deframer_0, 'out'), (self.satnogs_udp_msg_sink_0_0, 'in'))
self.msg_connect((self.satnogs_qb50_deframer_0, 'wod'), (self.satnogs_udp_msg_sink_0_0_0, 'in'))
self.msg_connect((self.satnogs_udp_msg_source_0, 'msg'), (self.satnogs_upsat_fsk_frame_encoder_0, 'pdu'))
self.connect((self.analog_frequency_modulator_fc_0, 0), (self.pfb_arb_resampler_xxx_0, 0))
self.connect((self.analog_quadrature_demod_cf_0_0, 0), (self.digital_clock_recovery_mm_xx_0, 0))
self.connect((self.analog_sig_source_x_0, 0), (self.blocks_multiply_xx_0, 1))
self.connect((self.blocks_multiply_xx_0, 0), (self.osmosdr_sink_0, 0))
self.connect((self.digital_binary_slicer_fb_0, 0), (self.satnogs_ax25_decoder_bm_0, 0))
self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.digital_binary_slicer_fb_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.analog_quadrature_demod_cf_0_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.qtgui_freq_sink_x_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.qtgui_waterfall_sink_x_0, 0))
self.connect((self.interp_fir_filter_xxx_0, 0), (self.analog_frequency_modulator_fc_0, 0))
self.connect((self.osmosdr_source_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.blocks_multiply_xx_0, 0))
self.connect((self.satnogs_upsat_fsk_frame_encoder_0, 0), (self.interp_fir_filter_xxx_0, 0))