#!/usr/bin/env python2 # -*- coding: utf-8 -*- ################################################## # GNU Radio Python Flow Graph # Title: satnogs_eseo_ax25ish # Author: Manolis Surligas (surligas@gmail.com), M0IEB # Description: ESEO GMSK AX.25ish decoder # Generated: Thu Jan 3 15:52:58 2019 ################################################## import os import sys sys.path.append(os.environ.get('GRC_HIER_PATH', os.path.expanduser('~/.grc_gnuradio'))) from gnuradio import analog from gnuradio import blocks from gnuradio import digital from gnuradio import eng_notation from gnuradio import filter from gnuradio import gr from gnuradio.eng_option import eng_option from gnuradio.filter import firdes from gnuradio.filter import pfb from optparse import OptionParser from sync_to_pdu_packed import sync_to_pdu_packed # grc-generated hier_block import math import osmosdr import satellites import satnogs import time class satnogs_eseo_ax25ish(gr.top_block): 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_eseo_ax25ish") ################################################## # 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.audio_samp_rate = audio_samp_rate = 48000 self.access_code = access_code = '0111111001111110' ################################################## # Blocks ################################################## self.sync_to_pdu_packed_0 = sync_to_pdu_packed( packlen=257, sync=access_code, threshold=0, ) 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.satellites_print_timestamp_0 = satellites.print_timestamp('%Y-%m-%d %H:%M:%S') self.satellites_eseo_packet_crop_0 = satellites.eseo_packet_crop(False) self.satellites_eseo_line_decoder_0 = satellites.eseo_line_decoder() self.satellites_decode_rs_general_0 = satellites.decode_rs_general(285, 1, 1, 16, True) self.satellites_check_eseo_crc_0 = satellites.check_eseo_crc(True) 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 = filter.interp_fir_filter_fff(1, firdes.low_pass( 1, audio_samp_rate, 5300, 1000, firdes.WIN_HAMMING, 6.76)) self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff(5, 0.25*0.525*0.525, 0.5, 0.525, 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(0.9) ################################################## # Connections ################################################## self.msg_connect((self.satellites_check_eseo_crc_0, 'ok'), (self.satellites_print_timestamp_0, 'in')) self.msg_connect((self.satellites_decode_rs_general_0, 'out'), (self.satellites_eseo_line_decoder_0, 'in')) self.msg_connect((self.satellites_eseo_line_decoder_0, 'out'), (self.satellites_check_eseo_crc_0, 'in')) self.msg_connect((self.satellites_eseo_packet_crop_0, 'out'), (self.satellites_decode_rs_general_0, 'in')) self.msg_connect((self.satellites_print_timestamp_0, 'out'), (self.satnogs_frame_file_sink_0_1_0, 'frame')) self.msg_connect((self.satellites_print_timestamp_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.msg_connect((self.sync_to_pdu_packed_0, 'out'), (self.satellites_eseo_packet_crop_0, 'in')) 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.low_pass_filter_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.sync_to_pdu_packed_0, 0)) self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.digital_binary_slicer_fb_0, 0)) self.connect((self.low_pass_filter_0, 0), (self.digital_clock_recovery_mm_xx_0, 0)) self.connect((self.osmosdr_source_0, 0), (self.satnogs_coarse_doppler_correction_cc_0, 0)) self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.analog_quadrature_demod_cf_0_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.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 get_antenna(self): return self.antenna def set_antenna(self, antenna): self.antenna = antenna self.osmosdr_source_0.set_antenna(satnogs.handle_rx_antenna(self.rx_sdr_device, self.antenna), 0) def get_baudrate(self): return self.baudrate def set_baudrate(self, baudrate): self.baudrate = baudrate def get_bb_gain(self): return self.bb_gain def set_bb_gain(self, bb_gain): self.bb_gain = bb_gain self.osmosdr_source_0.set_bb_gain(satnogs.handle_rx_bb_gain(self.rx_sdr_device, self.bb_gain), 0) def get_decoded_data_file_path(self): return self.decoded_data_file_path def set_decoded_data_file_path(self, decoded_data_file_path): self.decoded_data_file_path = decoded_data_file_path def get_dev_args(self): return self.dev_args def set_dev_args(self, dev_args): self.dev_args = dev_args def get_doppler_correction_per_sec(self): return self.doppler_correction_per_sec def set_doppler_correction_per_sec(self, doppler_correction_per_sec): self.doppler_correction_per_sec = doppler_correction_per_sec def get_enable_iq_dump(self): return self.enable_iq_dump def set_enable_iq_dump(self, enable_iq_dump): self.enable_iq_dump = enable_iq_dump def get_file_path(self): return self.file_path def set_file_path(self, file_path): self.file_path = file_path def get_if_gain(self): return self.if_gain def set_if_gain(self, if_gain): self.if_gain = if_gain self.osmosdr_source_0.set_if_gain(satnogs.handle_rx_if_gain(self.rx_sdr_device, self.if_gain), 0) def get_iq_file_path(self): return self.iq_file_path def set_iq_file_path(self, iq_file_path): self.iq_file_path = iq_file_path def get_lo_offset(self): return self.lo_offset 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) def get_ppm(self): return self.ppm def set_ppm(self, ppm): self.ppm = ppm self.osmosdr_source_0.set_freq_corr(self.ppm, 0) def get_rf_gain(self): return self.rf_gain def set_rf_gain(self, rf_gain): self.rf_gain = rf_gain self.osmosdr_source_0.set_gain(satnogs.handle_rx_rf_gain(self.rx_sdr_device, self.rf_gain), 0) def get_rigctl_port(self): return self.rigctl_port def set_rigctl_port(self, rigctl_port): self.rigctl_port = rigctl_port def get_rx_freq(self): return self.rx_freq def set_rx_freq(self, rx_freq): self.rx_freq = rx_freq self.satnogs_coarse_doppler_correction_cc_0.set_new_freq_locked(self.rx_freq) self.osmosdr_source_0.set_center_freq(self.rx_freq - self.lo_offset, 0) def get_rx_sdr_device(self): return self.rx_sdr_device 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 get_samp_rate_rx(self): return 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) def get_udp_IP(self): return self.udp_IP def set_udp_IP(self, udp_IP): self.udp_IP = udp_IP def get_udp_port(self): return self.udp_port def set_udp_port(self, udp_port): self.udp_port = udp_port def get_waterfall_file_path(self): return self.waterfall_file_path def set_waterfall_file_path(self, waterfall_file_path): self.waterfall_file_path = waterfall_file_path def get_audio_samp_rate(self): return self.audio_samp_rate 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.set_taps(firdes.low_pass(1, self.audio_samp_rate, 5300, 1000, firdes.WIN_HAMMING, 6.76)) def get_access_code(self): return self.access_code def set_access_code(self, access_code): self.access_code = access_code self.sync_to_pdu_packed_0.set_sync(self.access_code) def argument_parser(): description = 'ESEO GMSK AX.25ish decoder' parser = OptionParser(usage="%prog: [options]", option_class=eng_option, description=description) parser.add_option( "", "--antenna", dest="antenna", type="string", default=satnogs.not_set_antenna, help="Set antenna [default=%default]") parser.add_option( "", "--baudrate", dest="baudrate", type="eng_float", default=eng_notation.num_to_str(9600.0), help="Set baudrate [default=%default]") parser.add_option( "", "--bb-gain", dest="bb_gain", type="eng_float", default=eng_notation.num_to_str(satnogs.not_set_rx_bb_gain), help="Set bb_gain [default=%default]") parser.add_option( "", "--decoded-data-file-path", dest="decoded_data_file_path", type="string", default='/tmp/.satnogs/data/data', help="Set decoded_data_file_path [default=%default]") parser.add_option( "", "--dev-args", dest="dev_args", type="string", default=satnogs.not_set_dev_args, help="Set dev_args [default=%default]") parser.add_option( "", "--doppler-correction-per-sec", dest="doppler_correction_per_sec", type="intx", default=1000, help="Set doppler_correction_per_sec [default=%default]") parser.add_option( "", "--enable-iq-dump", dest="enable_iq_dump", type="intx", default=0, help="Set enable_iq_dump [default=%default]") parser.add_option( "", "--file-path", dest="file_path", type="string", default='test.wav', help="Set file_path [default=%default]") parser.add_option( "", "--if-gain", dest="if_gain", type="eng_float", default=eng_notation.num_to_str(satnogs.not_set_rx_if_gain), help="Set if_gain [default=%default]") parser.add_option( "", "--iq-file-path", dest="iq_file_path", type="string", default='/tmp/iq.dat', help="Set iq_file_path [default=%default]") parser.add_option( "", "--lo-offset", dest="lo_offset", type="eng_float", default=eng_notation.num_to_str(100e3), help="Set lo_offset [default=%default]") parser.add_option( "", "--ppm", dest="ppm", type="intx", default=0, help="Set ppm [default=%default]") parser.add_option( "", "--rf-gain", dest="rf_gain", type="eng_float", default=eng_notation.num_to_str(satnogs.not_set_rx_rf_gain), help="Set rf_gain [default=%default]") parser.add_option( "", "--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( "", "--samp-rate-rx", dest="samp_rate_rx", type="eng_float", default=eng_notation.num_to_str(satnogs.not_set_samp_rate_rx), help="Set samp_rate_rx [default=%default]") parser.add_option( "", "--udp-IP", dest="udp_IP", type="string", default='127.0.0.1', help="Set udp_IP [default=%default]") parser.add_option( "", "--udp-port", dest="udp_port", type="intx", default=16887, help="Set udp_port [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_eseo_ax25ish, options=None): if options is None: options, _ = argument_parser().parse_args() tb = top_block_cls(antenna=options.antenna, baudrate=options.baudrate, 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, samp_rate_rx=options.samp_rate_rx, udp_IP=options.udp_IP, udp_port=options.udp_port, waterfall_file_path=options.waterfall_file_path) tb.start() tb.wait() if __name__ == '__main__': main()