def set_samp_rate_rx(self, samp_rate_rx):
self.samp_rate_rx = samp_rate_rx
self.pfb_arb_resampler_xxx_0.set_rate(
self.audio_samp_rate /
satnogs.handle_samp_rate_rx(self.rx_sdr_device, self.samp_rate_rx))
self.osmosdr_source_0.set_sample_rate(
satnogs.handle_samp_rate_rx(self.rx_sdr_device, self.samp_rate_rx))
self.osmosdr_source_0.set_bandwidth(
satnogs.handle_samp_rate_rx(self.rx_sdr_device, self.samp_rate_rx),
0)
def set_rx_sdr_device(self, rx_sdr_device):
self.rx_sdr_device = rx_sdr_device
self.pfb_arb_resampler_xxx_0.set_rate(self.audio_samp_rate/satnogs.handle_samp_rate_rx(self.rx_sdr_device, self.samp_rate_rx))
self.osmosdr_source_0.set_sample_rate(satnogs.handle_samp_rate_rx(self.rx_sdr_device, self.samp_rate_rx))
self.osmosdr_source_0.set_gain(satnogs.handle_rx_rf_gain(self.rx_sdr_device, self.rf_gain), 0)
self.osmosdr_source_0.set_if_gain(satnogs.handle_rx_if_gain(self.rx_sdr_device, self.if_gain), 0)
self.osmosdr_source_0.set_bb_gain(satnogs.handle_rx_bb_gain(self.rx_sdr_device, self.bb_gain), 0)
self.osmosdr_source_0.set_antenna(satnogs.handle_rx_antenna(self.rx_sdr_device, self.antenna), 0)
self.osmosdr_source_0.set_bandwidth(satnogs.handle_samp_rate_rx(self.rx_sdr_device, self.samp_rate_rx), 0)
self.blocks_rotator_cc_0.set_phase_inc(-2.0 * math.pi * (self.lo_offset / satnogs.handle_samp_rate_rx(self.rx_sdr_device, self.samp_rate_rx)))
def set_samp_rate_rx(self, samp_rate_rx):
self.samp_rate_rx = samp_rate_rx
self.pfb_arb_resampler_xxx_0.set_rate(
self.audio_samp_rate /
satnogs.handle_samp_rate_rx(self.rx_sdr_device, self.samp_rate_rx))
self.osmosdr_source_0.set_sample_rate(
satnogs.handle_samp_rate_rx(self.rx_sdr_device, self.samp_rate_rx))
self.osmosdr_source_0.set_bandwidth(
satnogs.handle_samp_rate_rx(self.rx_sdr_device, self.samp_rate_rx),
0)
self.blocks_rotator_cc_0.set_phase_inc(
-2.0 * math.pi * (self.lo_offset / satnogs.handle_samp_rate_rx(
self.rx_sdr_device, self.samp_rate_rx)))
def set_audio_samp_rate(self, audio_samp_rate):
self.audio_samp_rate = audio_samp_rate
self.pfb_arb_resampler_xxx_0_0.set_rate(
(2.0 * self.baudrate) / self.audio_samp_rate)
self.pfb_arb_resampler_xxx_0.set_rate(
self.audio_samp_rate /
satnogs.handle_samp_rate_rx(self.rx_sdr_device, self.samp_rate_rx))
def set_audio_samp_rate(self, audio_samp_rate):
self.audio_samp_rate = audio_samp_rate
self.pfb_arb_resampler_xxx_0.set_rate(self.audio_samp_rate/satnogs.handle_samp_rate_rx(self.rx_sdr_device, self.samp_rate_rx))
self.low_pass_filter_0_0.set_taps(firdes.low_pass(4, self.audio_samp_rate, 100, 100, firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_0.set_taps(firdes.low_pass(1, self.audio_samp_rate, 2e3, 1e3, firdes.WIN_HAMMING, 6.76))
self.analog_sig_source_x_0.set_sampling_freq(self.audio_samp_rate)
self.analog_pll_carriertracking_cc_0.set_max_freq(2*math.pi*2e3/self.audio_samp_rate)
self.analog_pll_carriertracking_cc_0.set_min_freq(-2*math.pi*2e3/self.audio_samp_rate)
def set_rx_sdr_device(self, rx_sdr_device):
self.rx_sdr_device = rx_sdr_device
self.pfb_arb_resampler_xxx_0.set_rate(
self.audio_samp_rate /
satnogs.handle_samp_rate_rx(self.rx_sdr_device, self.samp_rate_rx))
self.osmosdr_source_0.set_sample_rate(
satnogs.handle_samp_rate_rx(self.rx_sdr_device, self.samp_rate_rx))
self.osmosdr_source_0.set_gain(
satnogs.handle_rx_rf_gain(self.rx_sdr_device, self.rf_gain), 0)
self.osmosdr_source_0.set_if_gain(
satnogs.handle_rx_if_gain(self.rx_sdr_device, self.if_gain), 0)
self.osmosdr_source_0.set_bb_gain(
satnogs.handle_rx_bb_gain(self.rx_sdr_device, self.bb_gain), 0)
self.osmosdr_source_0.set_antenna(
satnogs.handle_rx_antenna(self.rx_sdr_device, self.antenna), 0)
self.osmosdr_source_0.set_bandwidth(
satnogs.handle_samp_rate_rx(self.rx_sdr_device, self.samp_rate_rx),
0)
def set_audio_samp_rate(self, audio_samp_rate):
self.audio_samp_rate = audio_samp_rate
self.pfb_arb_resampler_xxx_0.set_rate(
self.audio_samp_rate /
satnogs.handle_samp_rate_rx(self.rx_sdr_device, self.samp_rate_rx))
self.low_pass_filter_0_0.set_taps(
firdes.low_pass(1, self.audio_samp_rate,
((1.0 + self.excess_bw) * self.baudrate / 2.0) +
min(self.baudrate, abs(self.max_cfo)),
self.baudrate / 10.0, firdes.WIN_HAMMING, 6.76))
self.blocks_rotator_cc_0_0.set_phase_inc(
2.0 * math.pi * (1200.0 / self.audio_samp_rate))
def set_sps(self, sps):
self.sps = sps
self.set_rrc_taps(
firdes.root_raised_cosine(self.nfilts, self.nfilts,
1.0 / float(self.sps), self.excess_bw,
11 * self.sps * self.nfilts))
self.pfb_arb_resampler_xxx_0_0.set_rate(
(1.0 * self.sps * self.baudrate) /
satnogs.handle_samp_rate_rx(self.rx_sdr_device, self.samp_rate_rx))
self.low_pass_filter_0.set_taps(
firdes.low_pass(1, self.sps * self.baudrate,
((1.0 + self.excess_bw) * self.baudrate / 2.0) +
min(self.baudrate, abs(self.max_cfo)),
self.baudrate / 10.0, firdes.WIN_HAMMING, 6.76))
def set_audio_samp_rate(self, audio_samp_rate):
self.audio_samp_rate = audio_samp_rate
self.pfb_arb_resampler_xxx_0.set_rate(
self.audio_samp_rate /
satnogs.handle_samp_rate_rx(self.rx_sdr_device, self.samp_rate_rx))
self.low_pass_filter_1.set_taps(
firdes.low_pass(1, self.audio_samp_rate, 195, 10,
firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_0.set_taps(
firdes.low_pass(1, self.audio_samp_rate,
self.deviation + self.max_modulation_freq, 3000,
firdes.WIN_HAMMING, 6.76))
self.digital_clock_recovery_mm_xx_0_0_0.set_omega(
(self.audio_samp_rate / 100.0) / 200)
def set_baudrate(self, baudrate):
self.baudrate = baudrate
self.pfb_arb_resampler_xxx_0_0.set_rate(
(1.0 * self.sps * self.baudrate) /
satnogs.handle_samp_rate_rx(self.rx_sdr_device, self.samp_rate_rx))
self.low_pass_filter_0_0.set_taps(
firdes.low_pass(1, self.audio_samp_rate,
((1.0 + self.excess_bw) * self.baudrate / 2.0) +
min(self.baudrate, abs(self.max_cfo)),
self.baudrate / 10.0, firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_0.set_taps(
firdes.low_pass(1, self.sps * self.baudrate,
((1.0 + self.excess_bw) * self.baudrate / 2.0) +
min(self.baudrate, abs(self.max_cfo)),
self.baudrate / 10.0, firdes.WIN_HAMMING, 6.76))
def set_audio_samp_rate(self, audio_samp_rate):
self.audio_samp_rate = audio_samp_rate
self.pfb_arb_resampler_xxx_0.set_rate(
self.audio_samp_rate /
satnogs.handle_samp_rate_rx(self.rx_sdr_device, self.samp_rate_rx))
self.low_pass_filter_1.set_taps(
firdes.low_pass(10, self.audio_samp_rate,
(self.mark_frequency - self.space_frequency) / 2.0,
1000, firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_0.set_taps(
firdes.low_pass(1, self.audio_samp_rate,
self.deviation + self.max_modulation_freq, 3000,
firdes.WIN_HAMMING, 6.76))
self.analog_sig_source_x_0.set_sampling_freq(self.audio_samp_rate)
self.analog_quadrature_demod_cf_0_0.set_gain(
(2 * math.pi * self.deviation) / self.audio_samp_rate)
self.analog_quadrature_demod_cf_0.set_gain(
((self.audio_samp_rate / 10) / self.baud_rate) / (math.pi * 1))
def set_lo_offset(self, lo_offset):
self.lo_offset = lo_offset
self.osmosdr_source_0.set_center_freq(self.rx_freq - self.lo_offset, 0)
self.blocks_rotator_cc_0.set_phase_inc(
-2.0 * math.pi * (self.lo_offset / satnogs.handle_samp_rate_rx(
self.rx_sdr_device, self.samp_rate_rx)))
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, bfo_freq=1e3, 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.txt', 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', wpm=20, samp_rate_rx=satnogs.not_set_samp_rate_rx):
gr.top_block.__init__(self, "CW Decoder")
##################################################
# Parameters
##################################################
self.antenna = antenna
self.bb_gain = bb_gain
self.bfo_freq = bfo_freq
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
self.wpm = wpm
self.samp_rate_rx = samp_rate_rx
##################################################
# 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_ogg_encoder_0 = satnogs.ogg_encoder(file_path, audio_samp_rate, 1.0)
self.satnogs_morse_decoder_0 = satnogs.morse_decoder(ord('#'), 3)
self.satnogs_iq_sink_0 = satnogs.iq_sink(16768, iq_file_path, False, enable_iq_dump)
self.satnogs_frame_file_sink_0_0 = satnogs.frame_file_sink(decoded_data_file_path, 0)
self.satnogs_cw_to_symbol_0 = satnogs.cw_to_symbol(audio_samp_rate/4, 0.4, 0.75, wpm)
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.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_fff(4, firdes.low_pass(
4, audio_samp_rate, 100, 100, firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_0 = filter.fir_filter_ccf(1, firdes.low_pass(
1, audio_samp_rate, 2e3, 1e3, firdes.WIN_HAMMING, 6.76))
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_complex_to_real_0 = blocks.complex_to_real(1)
self.blocks_complex_to_mag_squared_0 = blocks.complex_to_mag_squared(1)
self.analog_sig_source_x_0 = analog.sig_source_c(audio_samp_rate, analog.GR_COS_WAVE, bfo_freq, 1, 0)
self.analog_pll_carriertracking_cc_0 = analog.pll_carriertracking_cc(2*math.pi/400.0, 2*math.pi*2e3/audio_samp_rate, -2*math.pi*2e3/audio_samp_rate)
self.analog_agc_xx_0 = analog.agc_ff(1e-3, 1.0, 1.0)
self.analog_agc_xx_0.set_max_gain(65536)
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)
##################################################
# Connections
##################################################
self.msg_connect((self.satnogs_cw_to_symbol_0, 'out'), (self.satnogs_morse_decoder_0, 'in'))
self.msg_connect((self.satnogs_morse_decoder_0, 'out'), (self.satnogs_frame_file_sink_0_0, 'frame'))
self.msg_connect((self.satnogs_morse_decoder_0, 'out'), (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, 0), (self.blocks_multiply_xx_0, 1))
self.connect((self.analog_agc_xx_0, 0), (self.low_pass_filter_0_0, 0))
self.connect((self.analog_pll_carriertracking_cc_0, 0), (self.blocks_complex_to_mag_squared_0, 0))
self.connect((self.analog_sig_source_x_0, 0), (self.blocks_multiply_xx_0, 0))
self.connect((self.blocks_complex_to_mag_squared_0, 0), (self.analog_agc_xx_0, 0))
self.connect((self.blocks_complex_to_real_0, 0), (self.satnogs_ogg_encoder_0, 0))
self.connect((self.blocks_multiply_xx_0, 0), (self.blocks_complex_to_real_0, 0))
self.connect((self.blocks_rotator_cc_0, 0), (self.satnogs_coarse_doppler_correction_cc_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.analog_agc2_xx_0_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.analog_pll_carriertracking_cc_0, 0))
self.connect((self.low_pass_filter_0_0, 0), (self.satnogs_cw_to_symbol_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))
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=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='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, "AMSAT FOX DUV 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.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.max_modulation_freq = max_modulation_freq = 3000
self.deviation = deviation = 5000
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_fox_telem_mm_0 = satnogs.fox_telem_mm()
self.satnogs_decoder_8b10b_0 = satnogs.decoder_8b10b('0011111010', 960)
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_ccsds_rs_decoder_mm_0 = satnogs.ccsds_rs_decoder_mm()
self.root_raised_cosine_filter_0 = filter.fir_filter_fff(
1, firdes.root_raised_cosine(1, 1, 2.4, 0.5, 512))
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_fff(
100,
firdes.low_pass(1, audio_samp_rate, 195, 10, 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_0_0 = digital.clock_recovery_mm_ff(
(audio_samp_rate / 100.0) / 200, 0.25 * 0.175 * 0.175, 0.5, 0.175,
0.005)
self.digital_binary_slicer_fb_0_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.analog_quadrature_demod_cf_0_0 = analog.quadrature_demod_cf(1.2)
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(1.0)
##################################################
# Connections
##################################################
self.msg_connect((self.satnogs_ccsds_rs_decoder_mm_0, 'pdu'),
(self.satnogs_fox_telem_mm_0, 'in'))
self.msg_connect((self.satnogs_decoder_8b10b_0, 'pdu'),
(self.satnogs_ccsds_rs_decoder_mm_0, 'in'))
self.msg_connect((self.satnogs_fox_telem_mm_0, 'raw'),
(self.satnogs_frame_file_sink_0_1_0, 'frame'))
self.msg_connect((self.satnogs_fox_telem_mm_0, 'raw'),
(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.satnogs_ogg_encoder_0, 0))
self.connect((self.analog_quadrature_demod_cf_0_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.root_raised_cosine_filter_0, 0))
self.connect((self.digital_binary_slicer_fb_0_0, 0),
(self.satnogs_decoder_8b10b_0, 0))
self.connect((self.digital_clock_recovery_mm_xx_0_0_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))
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.dc_blocker_xx_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.root_raised_cosine_filter_0, 0),
(self.digital_clock_recovery_mm_xx_0_0_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, 0))
def set_sps(self, sps):
self.sps = sps
self.pfb_arb_resampler_xxx_0.set_rate(
(self.sps * 72e3) /
satnogs.handle_samp_rate_rx(self.rx_sdr_device, self.samp_rate_rx))
self.set_ntaps(11 * self.sps * self.nfilts)
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, 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_reaktor_hello_world_fsk9600_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.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.variable_whitening_0 = variable_whitening_0 = satnogs.whitening_make(0x21, 0x1FF, 8)
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_frame_acquisition_0 = satnogs.frame_acquisition(1, [0xAA, 0xAA, 0xAA, 0xAA], 4, [0x35, 0x2E, 0x35, 0x2E], 3, 1, 256, 3, variable_whitening_0, 2048)
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.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.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.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_frame_acquisition_0, 'out'), (self.satnogs_frame_file_sink_0_1_0, 'frame'))
self.msg_connect((self.satnogs_frame_acquisition_0, 'out'), (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.blocks_rotator_cc_0, 0), (self.satnogs_coarse_doppler_correction_cc_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_frame_acquisition_0, 0))
self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.digital_binary_slicer_fb_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_quadrature_demod_cf_0_0_0, 0))
self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.pfb_arb_resampler_xxx_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.analog_quadrature_demod_cf_0_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,
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,
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,
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_meteor_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.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 = 2
self.nfilts = nfilts = 32
self.ntaps = ntaps = 11 * sps * nfilts
self.rrc_taps = rrc_taps = firdes.root_raised_cosine(
nfilts, nfilts * sps, 1.0, 0.35, ntaps)
##################################################
# Blocks
##################################################
self.satnogs_waterfall_sink_0 = satnogs.waterfall_sink(
(sps * 72e3), 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_lrpt_sync_0 = satnogs.lrpt_sync(2)
self.satnogs_lrpt_decoder_0 = satnogs.lrpt_decoder()
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.pfb_arb_resampler_xxx_0 = pfb.arb_resampler_ccf(
(sps * 72e3) /
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_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(
sps, 2 * math.pi / 100.0, (rrc_taps), nfilts, nfilts // 2, 1.5, 1)
self.digital_costas_loop_cc_0 = digital.costas_loop_cc(
2 * math.pi / 100.0, 4, False)
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.analog_agc2_xx_0 = analog.agc2_cc(0.6e-1, 1e-3, 1.0, 1.0)
self.analog_agc2_xx_0.set_max_gain(65536)
##################################################
# Connections
##################################################
self.msg_connect((self.satnogs_lrpt_decoder_0, 'frame'),
(self.satnogs_frame_file_sink_0_1_0, 'frame'))
self.msg_connect((self.satnogs_lrpt_decoder_0, 'frame'),
(self.satnogs_udp_msg_sink_0_0, 'in'))
self.msg_connect((self.satnogs_lrpt_sync_0, 'cadu'),
(self.satnogs_lrpt_decoder_0, 'cadu'))
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.blocks_rotator_cc_0, 0),
(self.satnogs_coarse_doppler_correction_cc_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0),
(self.satnogs_lrpt_sync_0, 0))
self.connect((self.digital_pfb_clock_sync_xxx_0, 0),
(self.digital_costas_loop_cc_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))
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))
