Added flowgraph
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@ -37,5 +37,6 @@ GR_PYTHON_INSTALL(
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flowgraphs/satnogs_fsk_ax25.py
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flowgraphs/satnogs_msk_ax25.py
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flowgraphs/satnogs_bpsk_ax25.py
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flowgraphs/satnogs_sstv_pd120_demod.py
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DESTINATION bin
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)
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@ -0,0 +1,356 @@
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#!/usr/bin/env python2
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# -*- coding: utf-8 -*-
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##################################################
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# GNU Radio Python Flow Graph
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# Title: SSTV PD120 Demodulation
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# Author: Sebastian Schumb (sebastian@sebastains-site.de)
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# Description: A PD120 SSTV demodulator
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# Generated: Fri Apr 5 23:30:50 2019
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##################################################
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from gnuradio import analog
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from gnuradio import eng_notation
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from gnuradio import filter
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from gnuradio import gr
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from gnuradio.eng_option import eng_option
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from gnuradio.filter import firdes
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from optparse import OptionParser
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import math
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import osmosdr
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import satnogs
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import time
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class satnogs_sstv_pd120_demod(gr.top_block):
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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=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', waterfall_file_path='/tmp/waterfall.dat'):
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gr.top_block.__init__(self, "SSTV PD120 Demodulation")
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##################################################
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# Parameters
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##################################################
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self.antenna = antenna
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self.bb_gain = bb_gain
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self.decoded_data_file_path = decoded_data_file_path
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self.dev_args = dev_args
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self.doppler_correction_per_sec = doppler_correction_per_sec
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self.enable_iq_dump = enable_iq_dump
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self.file_path = file_path
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self.if_gain = if_gain
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self.iq_file_path = iq_file_path
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self.lo_offset = lo_offset
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self.ppm = ppm
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self.rf_gain = rf_gain
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self.rigctl_port = rigctl_port
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self.rx_freq = rx_freq
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self.rx_sdr_device = rx_sdr_device
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self.waterfall_file_path = waterfall_file_path
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##################################################
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# Variables
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##################################################
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self.samp_rate_rx = samp_rate_rx = satnogs.hw_rx_settings[rx_sdr_device]['samp_rate']
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self.xlate_filter_taps = xlate_filter_taps = firdes.low_pass(1, samp_rate_rx, 125000, 25000, firdes.WIN_HAMMING, 6.76)
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self.taps = taps = firdes.low_pass(12.0, samp_rate_rx, 100e3, 60000, firdes.WIN_HAMMING, 6.76)
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self.max_modulation_freq = max_modulation_freq = 3000
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self.filter_rate = filter_rate = 250000
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self.deviation = deviation = 5000
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self.audio_samp_rate = audio_samp_rate = 48000
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##################################################
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# Blocks
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##################################################
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self.satnogs_waterfall_sink_0 = satnogs.waterfall_sink(audio_samp_rate, 0.0, 10, 1024, waterfall_file_path, 1)
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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)
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self.satnogs_sstv_pd120_sink_0 = satnogs.sstv_pd120_sink(decoded_data_file_path)
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self.satnogs_ogg_encoder_0 = satnogs.ogg_encoder(file_path, audio_samp_rate, 1.0)
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self.satnogs_iq_sink_0 = satnogs.iq_sink(32767, iq_file_path, False, enable_iq_dump)
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self.satnogs_coarse_doppler_correction_cc_0 = satnogs.coarse_doppler_correction_cc(rx_freq, samp_rate_rx)
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self.rational_resampler_xxx_0 = filter.rational_resampler_fff(
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interpolation=5263,
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decimation=12000,
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taps=None,
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fractional_bw=None,
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)
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self.osmosdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + satnogs.handle_rx_dev_args(rx_sdr_device, dev_args) )
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self.osmosdr_source_0.set_sample_rate(samp_rate_rx)
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self.osmosdr_source_0.set_center_freq(rx_freq - lo_offset, 0)
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self.osmosdr_source_0.set_freq_corr(ppm, 0)
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self.osmosdr_source_0.set_dc_offset_mode(2, 0)
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self.osmosdr_source_0.set_iq_balance_mode(0, 0)
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self.osmosdr_source_0.set_gain_mode(False, 0)
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self.osmosdr_source_0.set_gain(satnogs.handle_rx_rf_gain(rx_sdr_device, rf_gain), 0)
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self.osmosdr_source_0.set_if_gain(satnogs.handle_rx_if_gain(rx_sdr_device, if_gain), 0)
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self.osmosdr_source_0.set_bb_gain(satnogs.handle_rx_bb_gain(rx_sdr_device, bb_gain), 0)
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self.osmosdr_source_0.set_antenna(satnogs.handle_rx_antenna(rx_sdr_device, antenna), 0)
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self.osmosdr_source_0.set_bandwidth(samp_rate_rx, 0)
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self.low_pass_filter_0_0 = filter.fir_filter_fff(1, firdes.low_pass(
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1, 12000, 1500, 1000, firdes.WIN_HAMMING, 6.76))
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self.low_pass_filter_0 = filter.fir_filter_ccf(1, firdes.low_pass(
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1, audio_samp_rate, deviation+max_modulation_freq, 3000, firdes.WIN_HAMMING, 6.76))
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self.freq_xlating_fir_filter_xxx_0_0 = filter.freq_xlating_fir_filter_ccc(4, (63, ), 1750, audio_samp_rate)
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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)
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self.blks2_rational_resampler_xxx_1 = filter.rational_resampler_ccc(
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interpolation=24,
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decimation=125,
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taps=None,
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fractional_bw=None,
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)
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self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf((2*math.pi*deviation)/audio_samp_rate)
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self.analog_nbfm_rx_0 = analog.nbfm_rx(
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audio_rate=12000,
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quad_rate=12000,
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tau=75e-6,
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max_dev=600,
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)
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##################################################
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# Connections
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##################################################
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self.msg_connect((self.satnogs_tcp_rigctl_msg_source_0, 'freq'), (self.satnogs_coarse_doppler_correction_cc_0, 'freq'))
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self.connect((self.analog_nbfm_rx_0, 0), (self.low_pass_filter_0_0, 0))
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self.connect((self.analog_quadrature_demod_cf_0, 0), (self.satnogs_ogg_encoder_0, 0))
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self.connect((self.blks2_rational_resampler_xxx_1, 0), (self.low_pass_filter_0, 0))
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self.connect((self.blks2_rational_resampler_xxx_1, 0), (self.satnogs_iq_sink_0, 0))
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self.connect((self.blks2_rational_resampler_xxx_1, 0), (self.satnogs_waterfall_sink_0, 0))
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self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.blks2_rational_resampler_xxx_1, 0))
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self.connect((self.freq_xlating_fir_filter_xxx_0_0, 0), (self.analog_nbfm_rx_0, 0))
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self.connect((self.low_pass_filter_0, 0), (self.analog_quadrature_demod_cf_0, 0))
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self.connect((self.low_pass_filter_0, 0), (self.freq_xlating_fir_filter_xxx_0_0, 0))
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self.connect((self.low_pass_filter_0_0, 0), (self.rational_resampler_xxx_0, 0))
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self.connect((self.osmosdr_source_0, 0), (self.satnogs_coarse_doppler_correction_cc_0, 0))
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self.connect((self.rational_resampler_xxx_0, 0), (self.satnogs_sstv_pd120_sink_0, 0))
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self.connect((self.satnogs_coarse_doppler_correction_cc_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
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def get_antenna(self):
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return self.antenna
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def set_antenna(self, antenna):
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self.antenna = antenna
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self.osmosdr_source_0.set_antenna(satnogs.handle_rx_antenna(self.rx_sdr_device, self.antenna), 0)
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def get_bb_gain(self):
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return self.bb_gain
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def set_bb_gain(self, bb_gain):
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self.bb_gain = bb_gain
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self.osmosdr_source_0.set_bb_gain(satnogs.handle_rx_bb_gain(self.rx_sdr_device, self.bb_gain), 0)
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def get_decoded_data_file_path(self):
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return self.decoded_data_file_path
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def set_decoded_data_file_path(self, decoded_data_file_path):
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self.decoded_data_file_path = decoded_data_file_path
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def get_dev_args(self):
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return self.dev_args
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def set_dev_args(self, dev_args):
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self.dev_args = dev_args
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def get_doppler_correction_per_sec(self):
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return self.doppler_correction_per_sec
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def set_doppler_correction_per_sec(self, doppler_correction_per_sec):
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self.doppler_correction_per_sec = doppler_correction_per_sec
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def get_enable_iq_dump(self):
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return self.enable_iq_dump
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def set_enable_iq_dump(self, enable_iq_dump):
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self.enable_iq_dump = enable_iq_dump
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def get_file_path(self):
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return self.file_path
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def set_file_path(self, file_path):
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self.file_path = file_path
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def get_if_gain(self):
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return self.if_gain
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def set_if_gain(self, if_gain):
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self.if_gain = if_gain
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self.osmosdr_source_0.set_if_gain(satnogs.handle_rx_if_gain(self.rx_sdr_device, self.if_gain), 0)
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def get_iq_file_path(self):
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return self.iq_file_path
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def set_iq_file_path(self, iq_file_path):
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self.iq_file_path = iq_file_path
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def get_lo_offset(self):
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return self.lo_offset
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def set_lo_offset(self, lo_offset):
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self.lo_offset = lo_offset
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self.osmosdr_source_0.set_center_freq(self.rx_freq - self.lo_offset, 0)
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self.freq_xlating_fir_filter_xxx_0.set_center_freq(self.lo_offset)
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def get_ppm(self):
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return self.ppm
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def set_ppm(self, ppm):
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self.ppm = ppm
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self.osmosdr_source_0.set_freq_corr(self.ppm, 0)
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def get_rf_gain(self):
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return self.rf_gain
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def set_rf_gain(self, rf_gain):
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self.rf_gain = rf_gain
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self.osmosdr_source_0.set_gain(satnogs.handle_rx_rf_gain(self.rx_sdr_device, self.rf_gain), 0)
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def get_rigctl_port(self):
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return self.rigctl_port
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def set_rigctl_port(self, rigctl_port):
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self.rigctl_port = rigctl_port
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def get_rx_freq(self):
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return self.rx_freq
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def set_rx_freq(self, rx_freq):
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self.rx_freq = rx_freq
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self.satnogs_coarse_doppler_correction_cc_0.set_new_freq_locked(self.rx_freq)
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self.osmosdr_source_0.set_center_freq(self.rx_freq - self.lo_offset, 0)
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def get_rx_sdr_device(self):
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return self.rx_sdr_device
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def set_rx_sdr_device(self, rx_sdr_device):
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self.rx_sdr_device = rx_sdr_device
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self.set_samp_rate_rx(satnogs.hw_rx_settings[self.rx_sdr_device]['samp_rate'])
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self.osmosdr_source_0.set_gain(satnogs.handle_rx_rf_gain(self.rx_sdr_device, self.rf_gain), 0)
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self.osmosdr_source_0.set_if_gain(satnogs.handle_rx_if_gain(self.rx_sdr_device, self.if_gain), 0)
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self.osmosdr_source_0.set_bb_gain(satnogs.handle_rx_bb_gain(self.rx_sdr_device, self.bb_gain), 0)
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self.osmosdr_source_0.set_antenna(satnogs.handle_rx_antenna(self.rx_sdr_device, self.antenna), 0)
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def get_waterfall_file_path(self):
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return self.waterfall_file_path
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def set_waterfall_file_path(self, waterfall_file_path):
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self.waterfall_file_path = waterfall_file_path
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def get_samp_rate_rx(self):
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return self.samp_rate_rx
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def set_samp_rate_rx(self, samp_rate_rx):
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self.samp_rate_rx = samp_rate_rx
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self.set_xlate_filter_taps(firdes.low_pass(1, self.samp_rate_rx, 125000, 25000, firdes.WIN_HAMMING, 6.76))
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self.osmosdr_source_0.set_sample_rate(self.samp_rate_rx)
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self.osmosdr_source_0.set_bandwidth(self.samp_rate_rx, 0)
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def get_xlate_filter_taps(self):
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return self.xlate_filter_taps
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def set_xlate_filter_taps(self, xlate_filter_taps):
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self.xlate_filter_taps = xlate_filter_taps
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self.freq_xlating_fir_filter_xxx_0.set_taps((self.xlate_filter_taps))
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def get_taps(self):
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return self.taps
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def set_taps(self, taps):
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self.taps = taps
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def get_max_modulation_freq(self):
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return self.max_modulation_freq
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def set_max_modulation_freq(self, max_modulation_freq):
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self.max_modulation_freq = max_modulation_freq
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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))
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def get_filter_rate(self):
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return self.filter_rate
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def set_filter_rate(self, filter_rate):
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self.filter_rate = filter_rate
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def get_deviation(self):
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return self.deviation
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def set_deviation(self, deviation):
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self.deviation = deviation
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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))
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self.analog_quadrature_demod_cf_0.set_gain((2*math.pi*self.deviation)/self.audio_samp_rate)
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def get_audio_samp_rate(self):
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return self.audio_samp_rate
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def set_audio_samp_rate(self, audio_samp_rate):
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self.audio_samp_rate = audio_samp_rate
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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))
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self.analog_quadrature_demod_cf_0.set_gain((2*math.pi*self.deviation)/self.audio_samp_rate)
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def argument_parser():
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description = 'A PD120 SSTV demodulator'
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parser = OptionParser(usage="%prog: [options]", option_class=eng_option, description=description)
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parser.add_option(
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"", "--antenna", dest="antenna", type="string", default=satnogs.not_set_antenna,
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help="Set antenna [default=%default]")
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parser.add_option(
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"", "--bb-gain", dest="bb_gain", type="eng_float", default=eng_notation.num_to_str(satnogs.not_set_rx_bb_gain),
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help="Set bb_gain [default=%default]")
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parser.add_option(
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"", "--decoded-data-file-path", dest="decoded_data_file_path", type="string", default='/tmp/.satnogs/data/data',
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help="Set decoded_data_file_path [default=%default]")
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parser.add_option(
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"", "--dev-args", dest="dev_args", type="string", default=satnogs.not_set_dev_args,
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help="Set dev_args [default=%default]")
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parser.add_option(
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"", "--doppler-correction-per-sec", dest="doppler_correction_per_sec", type="intx", default=20,
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help="Set doppler_correction_per_sec [default=%default]")
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parser.add_option(
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"", "--enable-iq-dump", dest="enable_iq_dump", type="intx", default=0,
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help="Set enable_iq_dump [default=%default]")
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parser.add_option(
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"", "--file-path", dest="file_path", type="string", default='test.ogg',
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help="Set file_path [default=%default]")
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parser.add_option(
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"", "--if-gain", dest="if_gain", type="eng_float", default=eng_notation.num_to_str(satnogs.not_set_rx_if_gain),
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help="Set if_gain [default=%default]")
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parser.add_option(
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"", "--iq-file-path", dest="iq_file_path", type="string", default='/tmp/iq.dat',
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help="Set iq_file_path [default=%default]")
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parser.add_option(
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"", "--lo-offset", dest="lo_offset", type="eng_float", default=eng_notation.num_to_str(100e3),
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help="Set lo_offset [default=%default]")
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parser.add_option(
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"", "--ppm", dest="ppm", type="intx", default=0,
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help="Set ppm [default=%default]")
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parser.add_option(
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"", "--rf-gain", dest="rf_gain", type="eng_float", default=eng_notation.num_to_str(satnogs.not_set_rx_rf_gain),
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help="Set rf_gain [default=%default]")
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parser.add_option(
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"", "--rigctl-port", dest="rigctl_port", type="intx", default=4532,
|
||||
help="Set rigctl_port [default=%default]")
|
||||
parser.add_option(
|
||||
"", "--rx-freq", dest="rx_freq", type="eng_float", default=eng_notation.num_to_str(100e6),
|
||||
help="Set rx_freq [default=%default]")
|
||||
parser.add_option(
|
||||
"", "--rx-sdr-device", dest="rx_sdr_device", type="string", default='usrpb200',
|
||||
help="Set rx_sdr_device [default=%default]")
|
||||
parser.add_option(
|
||||
"", "--waterfall-file-path", dest="waterfall_file_path", type="string", default='/tmp/waterfall.dat',
|
||||
help="Set waterfall_file_path [default=%default]")
|
||||
return parser
|
||||
|
||||
|
||||
def main(top_block_cls=satnogs_sstv_pd120_demod, options=None):
|
||||
if options is None:
|
||||
options, _ = argument_parser().parse_args()
|
||||
|
||||
tb = top_block_cls(antenna=options.antenna, bb_gain=options.bb_gain, decoded_data_file_path=options.decoded_data_file_path, dev_args=options.dev_args, doppler_correction_per_sec=options.doppler_correction_per_sec, enable_iq_dump=options.enable_iq_dump, file_path=options.file_path, if_gain=options.if_gain, iq_file_path=options.iq_file_path, lo_offset=options.lo_offset, ppm=options.ppm, rf_gain=options.rf_gain, rigctl_port=options.rigctl_port, rx_freq=options.rx_freq, rx_sdr_device=options.rx_sdr_device, waterfall_file_path=options.waterfall_file_path)
|
||||
tb.start()
|
||||
tb.wait()
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
main()
|
||||
File diff suppressed because it is too large
Load Diff
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Reference in New Issue