#!/usr/bin/env python3 # -*- coding: utf-8 -*- # # SPDX-License-Identifier: GPL-3.0 # # GNU Radio Python Flow Graph # Title: FHSS Modulator and Demodulator # Author: Jack L # GNU Radio version: 3.10.8.0 from PyQt5 import Qt from gnuradio import qtgui from PyQt5.QtCore import QObject, pyqtSlot from gnuradio import analog import math from gnuradio import audio from gnuradio import blocks from gnuradio import filter from gnuradio.filter import firdes from gnuradio import gr 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 from gnuradio.qtgui import Range, RangeWidget from PyQt5 import QtCore import random class FHSSfinal(gr.top_block, Qt.QWidget): def __init__(self): gr.top_block.__init__(self, "FHSS Modulator and Demodulator", catch_exceptions=True) Qt.QWidget.__init__(self) self.setWindowTitle("FHSS Modulator and Demodulator") 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("GNU Radio", "FHSSfinal") 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) ################################################## # Variables ################################################## self.samp_rate = samp_rate = 48000 self.Sensitivity = Sensitivity = 2 self.NoiseCutOff = NoiseCutOff = 3000 self.NoiseAmp = NoiseAmp = 0 self.Interpolation = Interpolation = 10 self.Channel = Channel = 1 self.CarrierFreq = CarrierFreq = 20000 ################################################## # Blocks ################################################## self._NoiseAmp_range = Range(0, 40, 0.2, 0, 200) self._NoiseAmp_win = RangeWidget(self._NoiseAmp_range, self.set_NoiseAmp, "Noise Amplitude", "counter_slider", float, QtCore.Qt.Horizontal) self.top_layout.addWidget(self._NoiseAmp_win) # Create the options list self._Channel_options = [1, 2, 3, 4, 5, 6, 7, 8, 9] # Create the labels list self._Channel_labels = ['Channel-A 20kHz', 'Channel-B 40kHz', 'Channel-C 60kHz', 'Channel-D 80kHz', 'Channel-E 100kHz', 'Channel-F 120.0kHz', 'Channel-G 140kHz', 'Channel-H 160kHz', 'Channel-I 180kHz'] # Create the combo box self._Channel_tool_bar = Qt.QToolBar(self) self._Channel_tool_bar.addWidget(Qt.QLabel("Channel" + ": ")) self._Channel_combo_box = Qt.QComboBox() self._Channel_tool_bar.addWidget(self._Channel_combo_box) for _label in self._Channel_labels: self._Channel_combo_box.addItem(_label) self._Channel_callback = lambda i: Qt.QMetaObject.invokeMethod(self._Channel_combo_box, "setCurrentIndex", Qt.Q_ARG("int", self._Channel_options.index(i))) self._Channel_callback(self.Channel) self._Channel_combo_box.currentIndexChanged.connect( lambda i: self.set_Channel(self._Channel_options[i])) # Create the radio buttons self.top_layout.addWidget(self._Channel_tool_bar) self.low_pass_filter_2 = filter.fir_filter_fff( 1, firdes.low_pass( 1, (samp_rate*Interpolation), 50000, 100, window.WIN_HAMMING, 6.76)) self.low_pass_filter_0 = filter.fir_filter_ccf( 1, firdes.low_pass( 1, (samp_rate*Interpolation), NoiseCutOff, 200, window.WIN_HAMMING, 6.76)) self.blocks_wavfile_source_0 = blocks.wavfile_source('C:\\Users\\ISA06016497\\Music\\Guitar_Test_Sound.wav', True) self.blocks_multiply_xx_1 = blocks.multiply_vcc(1) self.blocks_multiply_xx_0_1 = blocks.multiply_vcc(1) self.blocks_multiply_xx_0_0_0 = blocks.multiply_vcc(1) self.blocks_multiply_xx_0_0 = blocks.multiply_vcc(1) self.blocks_multiply_xx_0 = blocks.multiply_vcc(1) self.blocks_conjugate_cc_0_0_0 = blocks.conjugate_cc() self.blocks_conjugate_cc_0_0 = blocks.conjugate_cc() self.blocks_add_xx_0 = blocks.add_vcc(1) self.audio_sink_0 = audio.sink(samp_rate, '', True) self.analog_sig_source_x_0_1_0 = analog.sig_source_c((samp_rate*Interpolation), analog.GR_COS_WAVE, (Channel*CarrierFreq), 1, 0, 0) self.analog_sig_source_x_0_1 = analog.sig_source_c((samp_rate*Interpolation), analog.GR_COS_WAVE, (Channel*CarrierFreq), 1, 0, 0) self.analog_sig_source_x_0_0_0 = analog.sig_source_c((samp_rate*Interpolation), analog.GR_COS_WAVE, CarrierFreq, NoiseAmp, 0, 0) self.analog_sig_source_x_0_0 = analog.sig_source_c((samp_rate*Interpolation), analog.GR_COS_WAVE, CarrierFreq, 1, 0, 0) self.analog_sig_source_x_0 = analog.sig_source_c((samp_rate*Interpolation), analog.GR_COS_WAVE, CarrierFreq, 1, 0, 0) self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf((1/Sensitivity)) self.analog_phase_modulator_fc_0 = analog.phase_modulator_fc(Sensitivity) self.analog_noise_source_x_0 = analog.noise_source_c(analog.GR_GAUSSIAN, 1, 0) ################################################## # Connections ################################################## self.connect((self.analog_noise_source_x_0, 0), (self.low_pass_filter_0, 0)) self.connect((self.analog_phase_modulator_fc_0, 0), (self.blocks_multiply_xx_0, 1)) self.connect((self.analog_quadrature_demod_cf_0, 0), (self.audio_sink_0, 0)) self.connect((self.analog_sig_source_x_0, 0), (self.blocks_multiply_xx_0, 0)) self.connect((self.analog_sig_source_x_0_0, 0), (self.blocks_conjugate_cc_0_0, 0)) self.connect((self.analog_sig_source_x_0_0_0, 0), (self.blocks_multiply_xx_1, 0)) self.connect((self.analog_sig_source_x_0_1, 0), (self.blocks_multiply_xx_0_0, 0)) self.connect((self.analog_sig_source_x_0_1_0, 0), (self.blocks_conjugate_cc_0_0_0, 0)) self.connect((self.blocks_add_xx_0, 0), (self.blocks_multiply_xx_0_0_0, 1)) self.connect((self.blocks_conjugate_cc_0_0, 0), (self.blocks_multiply_xx_0_1, 0)) self.connect((self.blocks_conjugate_cc_0_0_0, 0), (self.blocks_multiply_xx_0_0_0, 0)) self.connect((self.blocks_multiply_xx_0, 0), (self.blocks_multiply_xx_0_0, 1)) self.connect((self.blocks_multiply_xx_0_0, 0), (self.blocks_add_xx_0, 0)) self.connect((self.blocks_multiply_xx_0_0_0, 0), (self.blocks_multiply_xx_0_1, 1)) self.connect((self.blocks_multiply_xx_0_1, 0), (self.analog_quadrature_demod_cf_0, 0)) self.connect((self.blocks_multiply_xx_1, 0), (self.blocks_add_xx_0, 1)) self.connect((self.blocks_wavfile_source_0, 0), (self.low_pass_filter_2, 0)) self.connect((self.low_pass_filter_0, 0), (self.blocks_multiply_xx_1, 1)) self.connect((self.low_pass_filter_2, 0), (self.analog_phase_modulator_fc_0, 0)) def closeEvent(self, event): self.settings = Qt.QSettings("GNU Radio", "FHSSfinal") self.settings.setValue("geometry", self.saveGeometry()) self.stop() self.wait() event.accept() 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.Interpolation)) self.analog_sig_source_x_0_0.set_sampling_freq((self.samp_rate*self.Interpolation)) self.analog_sig_source_x_0_0_0.set_sampling_freq((self.samp_rate*self.Interpolation)) self.analog_sig_source_x_0_1.set_sampling_freq((self.samp_rate*self.Interpolation)) self.analog_sig_source_x_0_1_0.set_sampling_freq((self.samp_rate*self.Interpolation)) self.low_pass_filter_0.set_taps(firdes.low_pass(1, (self.samp_rate*self.Interpolation), self.NoiseCutOff, 200, window.WIN_HAMMING, 6.76)) self.low_pass_filter_2.set_taps(firdes.low_pass(1, (self.samp_rate*self.Interpolation), 50000, 100, window.WIN_HAMMING, 6.76)) def get_Sensitivity(self): return self.Sensitivity def set_Sensitivity(self, Sensitivity): self.Sensitivity = Sensitivity self.analog_phase_modulator_fc_0.set_sensitivity(self.Sensitivity) self.analog_quadrature_demod_cf_0.set_gain((1/self.Sensitivity)) def get_NoiseCutOff(self): return self.NoiseCutOff def set_NoiseCutOff(self, NoiseCutOff): self.NoiseCutOff = NoiseCutOff self.low_pass_filter_0.set_taps(firdes.low_pass(1, (self.samp_rate*self.Interpolation), self.NoiseCutOff, 200, window.WIN_HAMMING, 6.76)) def get_NoiseAmp(self): return self.NoiseAmp def set_NoiseAmp(self, NoiseAmp): self.NoiseAmp = NoiseAmp self.analog_sig_source_x_0_0_0.set_amplitude(self.NoiseAmp) def get_Interpolation(self): return self.Interpolation def set_Interpolation(self, Interpolation): self.Interpolation = Interpolation self.analog_sig_source_x_0.set_sampling_freq((self.samp_rate*self.Interpolation)) self.analog_sig_source_x_0_0.set_sampling_freq((self.samp_rate*self.Interpolation)) self.analog_sig_source_x_0_0_0.set_sampling_freq((self.samp_rate*self.Interpolation)) self.analog_sig_source_x_0_1.set_sampling_freq((self.samp_rate*self.Interpolation)) self.analog_sig_source_x_0_1_0.set_sampling_freq((self.samp_rate*self.Interpolation)) self.low_pass_filter_0.set_taps(firdes.low_pass(1, (self.samp_rate*self.Interpolation), self.NoiseCutOff, 200, window.WIN_HAMMING, 6.76)) self.low_pass_filter_2.set_taps(firdes.low_pass(1, (self.samp_rate*self.Interpolation), 50000, 100, window.WIN_HAMMING, 6.76)) def get_Channel(self): return self.Channel def set_Channel(self, Channel): self.Channel = Channel self._Channel_callback(self.Channel) self.analog_sig_source_x_0_1.set_frequency((self.Channel*self.CarrierFreq)) self.analog_sig_source_x_0_1_0.set_frequency((self.Channel*self.CarrierFreq)) def get_CarrierFreq(self): return self.CarrierFreq def set_CarrierFreq(self, CarrierFreq): self.CarrierFreq = CarrierFreq self.analog_sig_source_x_0.set_frequency(self.CarrierFreq) self.analog_sig_source_x_0_0.set_frequency(self.CarrierFreq) self.analog_sig_source_x_0_0_0.set_frequency(self.CarrierFreq) self.analog_sig_source_x_0_1.set_frequency((self.Channel*self.CarrierFreq)) self.analog_sig_source_x_0_1_0.set_frequency((self.Channel*self.CarrierFreq)) def main(top_block_cls=FHSSfinal, options=None): qapp = Qt.QApplication(sys.argv) tb = top_block_cls() tb.start() 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()