#!/usr/bin/env python3 # -*- coding: utf-8 -*- # # SPDX-License-Identifier: GPL-3.0 # # GNU Radio Python Flow Graph # Title: sit2086 # Author: Jan PE0SAT # Description: Decode SIT-2086 # GNU Radio version: 3.10.12.0 from PyQt5 import Qt from gnuradio import qtgui from PyQt5 import QtCore from gnuradio import analog from gnuradio import blocks from gnuradio import blocks, gr from gnuradio import gr from gnuradio.filter import firdes from gnuradio.fft import window import sys import signal from PyQt5 import Qt from argparse import ArgumentParser from gnuradio.eng_arg import eng_float, intx from gnuradio import eng_notation import cmath import numpy as np import satellites.components.datasinks import satellites.core import sip import threading class sit2086(gr.top_block, Qt.QWidget): def __init__(self): gr.top_block.__init__(self, "sit2086", catch_exceptions=True) Qt.QWidget.__init__(self) self.setWindowTitle("sit2086") qtgui.util.check_set_qss() try: self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc')) except BaseException as exc: print(f"Qt GUI: Could not set Icon: {str(exc)}", file=sys.stderr) self.top_scroll_layout = Qt.QVBoxLayout() self.setLayout(self.top_scroll_layout) self.top_scroll = Qt.QScrollArea() self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame) self.top_scroll_layout.addWidget(self.top_scroll) self.top_scroll.setWidgetResizable(True) self.top_widget = Qt.QWidget() self.top_scroll.setWidget(self.top_widget) self.top_layout = Qt.QVBoxLayout(self.top_widget) self.top_grid_layout = Qt.QGridLayout() self.top_layout.addLayout(self.top_grid_layout) self.settings = Qt.QSettings("gnuradio/flowgraphs", "sit2086") try: geometry = self.settings.value("geometry") if geometry: self.restoreGeometry(geometry) except BaseException as exc: print(f"Qt GUI: Could not restore geometry: {str(exc)}", file=sys.stderr) self.flowgraph_started = threading.Event() ################################################## # Variables ################################################## self.fsk_rate = fsk_rate = 2400 self.vfo_range = vfo_range = 850 self.sps = sps = 4 self.samp_rate = samp_rate = 48000 self.freq = freq = 401.030e6 self.cut_off = cut_off = (fsk_rate/2.0) * 1.12 ################################################## # Blocks ################################################## self._vfo_range_range = qtgui.Range(-samp_rate/2, samp_rate/2, 100, 850, 200) self._vfo_range_win = qtgui.RangeWidget(self._vfo_range_range, self.set_vfo_range, "VFO", "counter_slider", float, QtCore.Qt.Horizontal) self.top_layout.addWidget(self._vfo_range_win) self.satellites_telemetry_parser_0 = satellites.components.datasinks.telemetry_parser('ax25', options="") self.satellites_satellite_decoder_0 = satellites.core.gr_satellites_flowgraph(file = 'SIT-2086.yml', samp_rate = samp_rate, grc_block = True, iq = True, options = "") self.qtgui_sink_x_0 = qtgui.sink_c( 2048, #fftsize window.WIN_BLACKMAN_hARRIS, #wintype (freq+vfo_range), #fc (sps*fsk_rate), #bw "", #name True, #plotfreq True, #plotwaterfall True, #plottime True, #plotconst None # parent ) self.qtgui_sink_x_0.set_update_time(1.0/10) self._qtgui_sink_x_0_win = sip.wrapinstance(self.qtgui_sink_x_0.qwidget(), Qt.QWidget) self.qtgui_sink_x_0.enable_rf_freq(True) self.top_layout.addWidget(self._qtgui_sink_x_0_win) self.blocks_wavfile_source_0_0 = blocks.wavfile_source('iq_14759908_401030000_48000.wav', False) self.blocks_throttle2_0_0 = blocks.throttle( gr.sizeof_gr_complex*1, (samp_rate*2), True, 0 if "auto" == "auto" else max( int(float(0.1) * (samp_rate*2)) if "auto" == "time" else int(0.1), 1) ) self.blocks_multiply_xx_0 = blocks.multiply_vcc(1) self.blocks_message_debug_0 = blocks.message_debug(True, gr.log_levels.info) self.blocks_float_to_complex_0 = blocks.float_to_complex(1) self.analog_sig_source_x_0 = analog.sig_source_c(samp_rate, analog.GR_COS_WAVE, (-vfo_range), 1, 0, 0) ################################################## # Connections ################################################## self.msg_connect((self.satellites_satellite_decoder_0, 'out'), (self.blocks_message_debug_0, 'print')) self.msg_connect((self.satellites_satellite_decoder_0, 'out'), (self.satellites_telemetry_parser_0, 'in')) self.connect((self.analog_sig_source_x_0, 0), (self.blocks_multiply_xx_0, 0)) self.connect((self.blocks_float_to_complex_0, 0), (self.blocks_multiply_xx_0, 1)) self.connect((self.blocks_multiply_xx_0, 0), (self.blocks_throttle2_0_0, 0)) self.connect((self.blocks_throttle2_0_0, 0), (self.qtgui_sink_x_0, 0)) self.connect((self.blocks_throttle2_0_0, 0), (self.satellites_satellite_decoder_0, 0)) self.connect((self.blocks_wavfile_source_0_0, 0), (self.blocks_float_to_complex_0, 0)) self.connect((self.blocks_wavfile_source_0_0, 1), (self.blocks_float_to_complex_0, 1)) def closeEvent(self, event): self.settings = Qt.QSettings("gnuradio/flowgraphs", "sit2086") self.settings.setValue("geometry", self.saveGeometry()) self.stop() self.wait() event.accept() def get_fsk_rate(self): return self.fsk_rate def set_fsk_rate(self, fsk_rate): self.fsk_rate = fsk_rate self.set_cut_off((self.fsk_rate/2.0) * 1.12) self.qtgui_sink_x_0.set_frequency_range((self.freq+self.vfo_range), (self.sps*self.fsk_rate)) def get_vfo_range(self): return self.vfo_range def set_vfo_range(self, vfo_range): self.vfo_range = vfo_range self.analog_sig_source_x_0.set_frequency((-self.vfo_range)) self.qtgui_sink_x_0.set_frequency_range((self.freq+self.vfo_range), (self.sps*self.fsk_rate)) def get_sps(self): return self.sps def set_sps(self, sps): self.sps = sps self.qtgui_sink_x_0.set_frequency_range((self.freq+self.vfo_range), (self.sps*self.fsk_rate)) def get_samp_rate(self): return self.samp_rate def set_samp_rate(self, samp_rate): self.samp_rate = samp_rate self.analog_sig_source_x_0.set_sampling_freq(self.samp_rate) self.blocks_throttle2_0_0.set_sample_rate((self.samp_rate*2)) def get_freq(self): return self.freq def set_freq(self, freq): self.freq = freq self.qtgui_sink_x_0.set_frequency_range((self.freq+self.vfo_range), (self.sps*self.fsk_rate)) def get_cut_off(self): return self.cut_off def set_cut_off(self, cut_off): self.cut_off = cut_off def main(top_block_cls=sit2086, options=None): qapp = Qt.QApplication(sys.argv) tb = top_block_cls() tb.start() tb.flowgraph_started.set() tb.show() def sig_handler(sig=None, frame=None): tb.stop() tb.wait() Qt.QApplication.quit() signal.signal(signal.SIGINT, sig_handler) signal.signal(signal.SIGTERM, sig_handler) timer = Qt.QTimer() timer.start(500) timer.timeout.connect(lambda: None) qapp.exec_() if __name__ == '__main__': main()