#!/usr/bin/env python3 # -*- coding: utf-8 -*- # # SPDX-License-Identifier: GPL-3.0 # # GNU Radio Python Flow Graph # Title: Not titled yet # GNU Radio version: 3.8.2.0 from distutils.version import StrictVersion if __name__ == '__main__': import ctypes import sys if sys.platform.startswith('linux'): try: x11 = ctypes.cdll.LoadLibrary('libX11.so') x11.XInitThreads() except: print("Warning: failed to XInitThreads()") from PyQt5 import Qt import sip from gnuradio import fosphor from gnuradio.fft import window from gnuradio import gr from gnuradio.filter import firdes import sys import signal from argparse import ArgumentParser from gnuradio.eng_arg import eng_float, intx from gnuradio import eng_notation from gnuradio import uhd import time from gnuradio import qtgui class fading_rx(gr.top_block, Qt.QWidget): def __init__(self): gr.top_block.__init__(self, "Not titled yet") Qt.QWidget.__init__(self) self.setWindowTitle("Not titled yet") qtgui.util.check_set_qss() try: self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc')) except: pass 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", "fading_rx") try: if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"): self.restoreGeometry(self.settings.value("geometry").toByteArray()) else: self.restoreGeometry(self.settings.value("geometry")) except: pass ################################################## # Variables ################################################## self.samp_rate = samp_rate = 20e6 ################################################## # Blocks ################################################## self.uhd_usrp_source_0 = uhd.usrp_source( ",".join(("", "")), uhd.stream_args( cpu_format="fc32", args='', channels=list(range(0,1)), ), ) self.uhd_usrp_source_0.set_center_freq(2.44e9, 0) self.uhd_usrp_source_0.set_gain(0, 0) self.uhd_usrp_source_0.set_antenna('RX2', 0) self.uhd_usrp_source_0.set_samp_rate(samp_rate) self.uhd_usrp_source_0.set_time_unknown_pps(uhd.time_spec()) self.fosphor_qt_sink_c_0 = fosphor.qt_sink_c() self.fosphor_qt_sink_c_0.set_fft_window(firdes.WIN_BLACKMAN_hARRIS) self.fosphor_qt_sink_c_0.set_frequency_range(0, samp_rate) self._fosphor_qt_sink_c_0_win = sip.wrapinstance(self.fosphor_qt_sink_c_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._fosphor_qt_sink_c_0_win) ################################################## # Connections ################################################## self.connect((self.uhd_usrp_source_0, 0), (self.fosphor_qt_sink_c_0, 0)) def closeEvent(self, event): self.settings = Qt.QSettings("GNU Radio", "fading_rx") self.settings.setValue("geometry", self.saveGeometry()) event.accept() def get_samp_rate(self): return self.samp_rate def set_samp_rate(self, samp_rate): self.samp_rate = samp_rate self.fosphor_qt_sink_c_0.set_frequency_range(0, self.samp_rate) self.uhd_usrp_source_0.set_samp_rate(self.samp_rate) def main(top_block_cls=fading_rx, options=None): if StrictVersion("4.5.0") <= StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"): style = gr.prefs().get_string('qtgui', 'style', 'raster') Qt.QApplication.setGraphicsSystem(style) qapp = Qt.QApplication(sys.argv) tb = top_block_cls() tb.start() tb.show() def sig_handler(sig=None, frame=None): 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) def quitting(): tb.stop() tb.wait() qapp.aboutToQuit.connect(quitting) qapp.exec_() if __name__ == '__main__': main()