#!/usr/bin/env python3 # -*- coding: utf-8 -*- # # SPDX-License-Identifier: GPL-3.0 # # GNU Radio Python Flow Graph # Title: QPSK Hardware Simultion # Author: Pross Naoki, Halter Sara Cinzia # 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 from gnuradio import qtgui from gnuradio.filter import firdes import sip from gnuradio import blocks import pmt from gnuradio import digital from gnuradio import gr 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.qtgui import Range, RangeWidget from gnuradio import qtgui class qpks(gr.top_block, Qt.QWidget): def __init__(self): gr.top_block.__init__(self, "QPSK Hardware Simultion") Qt.QWidget.__init__(self) self.setWindowTitle("QPSK Hardware Simultion") 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", "qpks") 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.sps = sps = 4 self.nfilts = nfilts = 32 self.excess_bw = excess_bw = .35 self.timing_loop_bw = timing_loop_bw = 2 * 3.141592653589793 / 100 self.samp_rate = samp_rate = .4e6 self.rrc_taps = rrc_taps = firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), excess_bw, 45*nfilts) self.qpsk_const = qpsk_const = digital.constellation_rect([0.707+0.707j, -0.707+0.707j, -0.707-0.707j, 0.707-0.707j], [0, 1, 3, 2], 4, 2, 2, 1, 1).base() self.phase_bw = phase_bw = 2 * 3.141592653589793 / 100 self.eq_ntaps = eq_ntaps = 15 self.eq_mod = eq_mod = 2 self.eq_gain = eq_gain = .01 ################################################## # Blocks ################################################## self.params = Qt.QTabWidget() self.params_widget_0 = Qt.QWidget() self.params_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.params_widget_0) self.params_grid_layout_0 = Qt.QGridLayout() self.params_layout_0.addLayout(self.params_grid_layout_0) self.params.addTab(self.params_widget_0, 'Channel') self.params_widget_1 = Qt.QWidget() self.params_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.params_widget_1) self.params_grid_layout_1 = Qt.QGridLayout() self.params_layout_1.addLayout(self.params_grid_layout_1) self.params.addTab(self.params_widget_1, 'Receiver') self.top_grid_layout.addWidget(self.params) self.plots = Qt.QTabWidget() self.plots_widget_0 = Qt.QWidget() self.plots_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.plots_widget_0) self.plots_grid_layout_0 = Qt.QGridLayout() self.plots_layout_0.addLayout(self.plots_grid_layout_0) self.plots.addTab(self.plots_widget_0, 'Constellations') self.plots_widget_1 = Qt.QWidget() self.plots_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.plots_widget_1) self.plots_grid_layout_1 = Qt.QGridLayout() self.plots_layout_1.addLayout(self.plots_grid_layout_1) self.plots.addTab(self.plots_widget_1, 'Frequency') self.plots_widget_2 = Qt.QWidget() self.plots_layout_2 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.plots_widget_2) self.plots_grid_layout_2 = Qt.QGridLayout() self.plots_layout_2.addLayout(self.plots_grid_layout_2) self.plots.addTab(self.plots_widget_2, 'Time') self.plots_widget_3 = Qt.QWidget() self.plots_layout_3 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.plots_widget_3) self.plots_grid_layout_3 = Qt.QGridLayout() self.plots_layout_3.addLayout(self.plots_grid_layout_3) self.plots.addTab(self.plots_widget_3, 'Bits') self.top_grid_layout.addWidget(self.plots) self._phase_bw_range = Range(0, 1, .01, 2 * 3.141592653589793 / 100, 200) self._phase_bw_win = RangeWidget(self._phase_bw_range, self.set_phase_bw, 'Phase Bandwidth', "counter_slider", float) self.params_grid_layout_1.addWidget(self._phase_bw_win, 1, 0, 1, 1) for r in range(1, 2): self.params_grid_layout_1.setRowStretch(r, 1) for c in range(0, 1): self.params_grid_layout_1.setColumnStretch(c, 1) self._eq_gain_range = Range(0, .1, .001, .01, 200) self._eq_gain_win = RangeWidget(self._eq_gain_range, self.set_eq_gain, 'Equalizer Rate', "counter_slider", float) self.params_grid_layout_1.addWidget(self._eq_gain_win, 0, 0, 1, 1) for r in range(0, 1): self.params_grid_layout_1.setRowStretch(r, 1) for c in range(0, 1): self.params_grid_layout_1.setColumnStretch(c, 1) self.uhd_usrp_source_0 = uhd.usrp_source( ",".join(("serial=309AF6A ", "")), uhd.stream_args( cpu_format="fc32", args='', channels=list(range(0,1)), ), ) self.uhd_usrp_source_0.set_clock_source('external', 0) self.uhd_usrp_source_0.set_center_freq(2.4e9, 0) self.uhd_usrp_source_0.set_rx_agc(False, 0) self.uhd_usrp_source_0.set_normalized_gain(0.6, 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.uhd_usrp_sink_0 = uhd.usrp_sink( ",".join(("serial=309AF59 ", "")), uhd.stream_args( cpu_format="fc32", args='', channels=list(range(0,1)), ), '', ) self.uhd_usrp_sink_0.set_clock_source('external', 0) self.uhd_usrp_sink_0.set_center_freq(2.4e9, 0) self.uhd_usrp_sink_0.set_normalized_gain(0.35, 0) self.uhd_usrp_sink_0.set_antenna('TX/RX', 0) self.uhd_usrp_sink_0.set_samp_rate(samp_rate) self.uhd_usrp_sink_0.set_time_unknown_pps(uhd.time_spec()) self.qtgui_time_sink_x_2_0_0 = qtgui.time_sink_c( 1024, #size samp_rate, #samp_rate "Received (RX)", #name 1 #number of inputs ) self.qtgui_time_sink_x_2_0_0.set_update_time(0.10) self.qtgui_time_sink_x_2_0_0.set_y_axis(-1, 1) self.qtgui_time_sink_x_2_0_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_2_0_0.enable_tags(False) self.qtgui_time_sink_x_2_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_2_0_0.enable_autoscale(True) self.qtgui_time_sink_x_2_0_0.enable_grid(False) self.qtgui_time_sink_x_2_0_0.enable_axis_labels(True) self.qtgui_time_sink_x_2_0_0.enable_control_panel(False) self.qtgui_time_sink_x_2_0_0.enable_stem_plot(False) labels = ['Signal 1', 'Signal 2', 'Signal 3', 'Signal 4', 'Signal 5', 'Signal 6', 'Signal 7', 'Signal 8', 'Signal 9', 'Signal 10'] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ['blue', 'red', 'green', 'black', 'cyan', 'magenta', 'yellow', 'dark red', 'dark green', 'dark blue'] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] for i in range(2): if len(labels[i]) == 0: if (i % 2 == 0): self.qtgui_time_sink_x_2_0_0.set_line_label(i, "Re{{Data {0}}}".format(i/2)) else: self.qtgui_time_sink_x_2_0_0.set_line_label(i, "Im{{Data {0}}}".format(i/2)) else: self.qtgui_time_sink_x_2_0_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_2_0_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_2_0_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_2_0_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_2_0_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_2_0_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_2_0_0_win = sip.wrapinstance(self.qtgui_time_sink_x_2_0_0.pyqwidget(), Qt.QWidget) self.plots_grid_layout_2.addWidget(self._qtgui_time_sink_x_2_0_0_win, 1, 0, 1, 1) for r in range(1, 2): self.plots_grid_layout_2.setRowStretch(r, 1) for c in range(0, 1): self.plots_grid_layout_2.setColumnStretch(c, 1) self.qtgui_time_sink_x_2 = qtgui.time_sink_c( 1024, #size samp_rate, #samp_rate "Modulated (TX)", #name 1 #number of inputs ) self.qtgui_time_sink_x_2.set_update_time(0.10) self.qtgui_time_sink_x_2.set_y_axis(-1, 1) self.qtgui_time_sink_x_2.set_y_label('Amplitude', "") self.qtgui_time_sink_x_2.enable_tags(False) self.qtgui_time_sink_x_2.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_2.enable_autoscale(True) self.qtgui_time_sink_x_2.enable_grid(False) self.qtgui_time_sink_x_2.enable_axis_labels(True) self.qtgui_time_sink_x_2.enable_control_panel(False) self.qtgui_time_sink_x_2.enable_stem_plot(False) labels = ['Signal 1', 'Signal 2', 'Signal 3', 'Signal 4', 'Signal 5', 'Signal 6', 'Signal 7', 'Signal 8', 'Signal 9', 'Signal 10'] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ['blue', 'red', 'green', 'black', 'cyan', 'magenta', 'yellow', 'dark red', 'dark green', 'dark blue'] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] for i in range(2): if len(labels[i]) == 0: if (i % 2 == 0): self.qtgui_time_sink_x_2.set_line_label(i, "Re{{Data {0}}}".format(i/2)) else: self.qtgui_time_sink_x_2.set_line_label(i, "Im{{Data {0}}}".format(i/2)) else: self.qtgui_time_sink_x_2.set_line_label(i, labels[i]) self.qtgui_time_sink_x_2.set_line_width(i, widths[i]) self.qtgui_time_sink_x_2.set_line_color(i, colors[i]) self.qtgui_time_sink_x_2.set_line_style(i, styles[i]) self.qtgui_time_sink_x_2.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_2.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_2_win = sip.wrapinstance(self.qtgui_time_sink_x_2.pyqwidget(), Qt.QWidget) self.plots_grid_layout_2.addWidget(self._qtgui_time_sink_x_2_win, 0, 0, 1, 1) for r in range(0, 1): self.plots_grid_layout_2.setRowStretch(r, 1) for c in range(0, 1): self.plots_grid_layout_2.setColumnStretch(c, 1) self.qtgui_freq_sink_x_1_0_1_0 = qtgui.freq_sink_c( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw "Locked", #name 1 ) self.qtgui_freq_sink_x_1_0_1_0.set_update_time(0.10) self.qtgui_freq_sink_x_1_0_1_0.set_y_axis(-140, 10) self.qtgui_freq_sink_x_1_0_1_0.set_y_label('Relative Gain', 'dB') self.qtgui_freq_sink_x_1_0_1_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "") self.qtgui_freq_sink_x_1_0_1_0.enable_autoscale(False) self.qtgui_freq_sink_x_1_0_1_0.enable_grid(False) self.qtgui_freq_sink_x_1_0_1_0.set_fft_average(1.0) self.qtgui_freq_sink_x_1_0_1_0.enable_axis_labels(True) self.qtgui_freq_sink_x_1_0_1_0.enable_control_panel(False) labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "dark blue"] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in range(1): if len(labels[i]) == 0: self.qtgui_freq_sink_x_1_0_1_0.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_freq_sink_x_1_0_1_0.set_line_label(i, labels[i]) self.qtgui_freq_sink_x_1_0_1_0.set_line_width(i, widths[i]) self.qtgui_freq_sink_x_1_0_1_0.set_line_color(i, colors[i]) self.qtgui_freq_sink_x_1_0_1_0.set_line_alpha(i, alphas[i]) self._qtgui_freq_sink_x_1_0_1_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_1_0_1_0.pyqwidget(), Qt.QWidget) self.plots_grid_layout_1.addWidget(self._qtgui_freq_sink_x_1_0_1_0_win, 1, 2, 1, 1) for r in range(1, 2): self.plots_grid_layout_1.setRowStretch(r, 1) for c in range(2, 3): self.plots_grid_layout_1.setColumnStretch(c, 1) self.qtgui_freq_sink_x_1_0_1 = qtgui.freq_sink_c( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw "Equalized", #name 1 ) self.qtgui_freq_sink_x_1_0_1.set_update_time(0.10) self.qtgui_freq_sink_x_1_0_1.set_y_axis(-140, 10) self.qtgui_freq_sink_x_1_0_1.set_y_label('Relative Gain', 'dB') self.qtgui_freq_sink_x_1_0_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "") self.qtgui_freq_sink_x_1_0_1.enable_autoscale(False) self.qtgui_freq_sink_x_1_0_1.enable_grid(False) self.qtgui_freq_sink_x_1_0_1.set_fft_average(1.0) self.qtgui_freq_sink_x_1_0_1.enable_axis_labels(True) self.qtgui_freq_sink_x_1_0_1.enable_control_panel(False) labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "dark blue"] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in range(1): if len(labels[i]) == 0: self.qtgui_freq_sink_x_1_0_1.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_freq_sink_x_1_0_1.set_line_label(i, labels[i]) self.qtgui_freq_sink_x_1_0_1.set_line_width(i, widths[i]) self.qtgui_freq_sink_x_1_0_1.set_line_color(i, colors[i]) self.qtgui_freq_sink_x_1_0_1.set_line_alpha(i, alphas[i]) self._qtgui_freq_sink_x_1_0_1_win = sip.wrapinstance(self.qtgui_freq_sink_x_1_0_1.pyqwidget(), Qt.QWidget) self.plots_grid_layout_1.addWidget(self._qtgui_freq_sink_x_1_0_1_win, 1, 1, 1, 1) for r in range(1, 2): self.plots_grid_layout_1.setRowStretch(r, 1) for c in range(1, 2): self.plots_grid_layout_1.setColumnStretch(c, 1) self.qtgui_freq_sink_x_1_0_0 = qtgui.freq_sink_c( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw "Received", #name 1 ) self.qtgui_freq_sink_x_1_0_0.set_update_time(0.10) self.qtgui_freq_sink_x_1_0_0.set_y_axis(-140, 10) self.qtgui_freq_sink_x_1_0_0.set_y_label('Relative Gain', 'dB') self.qtgui_freq_sink_x_1_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "") self.qtgui_freq_sink_x_1_0_0.enable_autoscale(False) self.qtgui_freq_sink_x_1_0_0.enable_grid(False) self.qtgui_freq_sink_x_1_0_0.set_fft_average(1.0) self.qtgui_freq_sink_x_1_0_0.enable_axis_labels(True) self.qtgui_freq_sink_x_1_0_0.enable_control_panel(False) labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "dark blue"] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in range(1): if len(labels[i]) == 0: self.qtgui_freq_sink_x_1_0_0.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_freq_sink_x_1_0_0.set_line_label(i, labels[i]) self.qtgui_freq_sink_x_1_0_0.set_line_width(i, widths[i]) self.qtgui_freq_sink_x_1_0_0.set_line_color(i, colors[i]) self.qtgui_freq_sink_x_1_0_0.set_line_alpha(i, alphas[i]) self._qtgui_freq_sink_x_1_0_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_1_0_0.pyqwidget(), Qt.QWidget) self.plots_grid_layout_1.addWidget(self._qtgui_freq_sink_x_1_0_0_win, 0, 1, 1, 1) for r in range(0, 1): self.plots_grid_layout_1.setRowStretch(r, 1) for c in range(1, 2): self.plots_grid_layout_1.setColumnStretch(c, 1) self.qtgui_freq_sink_x_1_0 = qtgui.freq_sink_c( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw "Synchronized and filtered", #name 1 ) self.qtgui_freq_sink_x_1_0.set_update_time(0.10) self.qtgui_freq_sink_x_1_0.set_y_axis(-140, 10) self.qtgui_freq_sink_x_1_0.set_y_label('Relative Gain', 'dB') self.qtgui_freq_sink_x_1_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "") self.qtgui_freq_sink_x_1_0.enable_autoscale(False) self.qtgui_freq_sink_x_1_0.enable_grid(False) self.qtgui_freq_sink_x_1_0.set_fft_average(1.0) self.qtgui_freq_sink_x_1_0.enable_axis_labels(True) self.qtgui_freq_sink_x_1_0.enable_control_panel(False) labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "dark blue"] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in range(1): if len(labels[i]) == 0: self.qtgui_freq_sink_x_1_0.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_freq_sink_x_1_0.set_line_label(i, labels[i]) self.qtgui_freq_sink_x_1_0.set_line_width(i, widths[i]) self.qtgui_freq_sink_x_1_0.set_line_color(i, colors[i]) self.qtgui_freq_sink_x_1_0.set_line_alpha(i, alphas[i]) self._qtgui_freq_sink_x_1_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_1_0.pyqwidget(), Qt.QWidget) self.plots_grid_layout_1.addWidget(self._qtgui_freq_sink_x_1_0_win, 0, 2, 1, 1) for r in range(0, 1): self.plots_grid_layout_1.setRowStretch(r, 1) for c in range(2, 3): self.plots_grid_layout_1.setColumnStretch(c, 1) self.qtgui_freq_sink_x_1 = qtgui.freq_sink_c( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw "Modulated (TX)", #name 1 ) self.qtgui_freq_sink_x_1.set_update_time(0.10) self.qtgui_freq_sink_x_1.set_y_axis(-140, 10) self.qtgui_freq_sink_x_1.set_y_label('Relative Gain', 'dB') self.qtgui_freq_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "") self.qtgui_freq_sink_x_1.enable_autoscale(False) self.qtgui_freq_sink_x_1.enable_grid(False) self.qtgui_freq_sink_x_1.set_fft_average(1.0) self.qtgui_freq_sink_x_1.enable_axis_labels(True) self.qtgui_freq_sink_x_1.enable_control_panel(False) labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "dark blue"] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in range(1): if len(labels[i]) == 0: self.qtgui_freq_sink_x_1.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_freq_sink_x_1.set_line_label(i, labels[i]) self.qtgui_freq_sink_x_1.set_line_width(i, widths[i]) self.qtgui_freq_sink_x_1.set_line_color(i, colors[i]) self.qtgui_freq_sink_x_1.set_line_alpha(i, alphas[i]) self._qtgui_freq_sink_x_1_win = sip.wrapinstance(self.qtgui_freq_sink_x_1.pyqwidget(), Qt.QWidget) self.plots_grid_layout_1.addWidget(self._qtgui_freq_sink_x_1_win, 0, 0, 1, 1) for r in range(0, 1): self.plots_grid_layout_1.setRowStretch(r, 1) for c in range(0, 1): self.plots_grid_layout_1.setColumnStretch(c, 1) self.qtgui_eye_sink_x_1 = qtgui.eye_sink_c( 1024, #size samp_rate, #samp_rate "", #name 1 #number of inputs ) self.qtgui_eye_sink_x_1.set_update_time(0.10) self.qtgui_eye_sink_x_1.set_samp_per_symbol(sps) self.qtgui_eye_sink_x_1.set_y_axis(-1, 1) self.qtgui_eye_sink_x_1.set_y_label('Amplitude', "") self.qtgui_eye_sink_x_1.enable_tags(True) self.qtgui_eye_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_eye_sink_x_1.enable_autoscale(False) self.qtgui_eye_sink_x_1.enable_grid(False) self.qtgui_eye_sink_x_1.enable_axis_labels(True) self.qtgui_eye_sink_x_1.enable_control_panel(False) labels = ['Signal 1', 'Signal 2', 'Signal 3', 'Signal 4', 'Signal 5', 'Signal 6', 'Signal 7', 'Signal 8', 'Signal 9', 'Signal 10'] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ['blue', 'blue', 'blue', 'blue', 'blue', 'blue', 'blue', 'blue', 'blue', 'blue'] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] for i in range(2): if len(labels[i]) == 0: if (i % 2 == 0): self.qtgui_eye_sink_x_1.set_line_label(i, "Eye [Re{{Data {0}}}]".format(round(i/2))) else: self.qtgui_eye_sink_x_1.set_line_label(i, "Eye [Im{{Data {0}}}]".format(round((i-1)/2))) else: self.qtgui_eye_sink_x_1.set_line_label(i, labels[i]) self.qtgui_eye_sink_x_1.set_line_width(i, widths[i]) self.qtgui_eye_sink_x_1.set_line_color(i, colors[i]) self.qtgui_eye_sink_x_1.set_line_style(i, styles[i]) self.qtgui_eye_sink_x_1.set_line_marker(i, markers[i]) self.qtgui_eye_sink_x_1.set_line_alpha(i, alphas[i]) self._qtgui_eye_sink_x_1_win = sip.wrapinstance(self.qtgui_eye_sink_x_1.pyqwidget(), Qt.QWidget) self.plots_grid_layout_3.addWidget(self._qtgui_eye_sink_x_1_win, 1, 0, 1, 1) for r in range(1, 2): self.plots_grid_layout_3.setRowStretch(r, 1) for c in range(0, 1): self.plots_grid_layout_3.setColumnStretch(c, 1) self.qtgui_eye_sink_x_0 = qtgui.eye_sink_c( 1024, #size samp_rate, #samp_rate "", #name 1 #number of inputs ) self.qtgui_eye_sink_x_0.set_update_time(0.10) self.qtgui_eye_sink_x_0.set_samp_per_symbol(sps) self.qtgui_eye_sink_x_0.set_y_axis(-1, 1) self.qtgui_eye_sink_x_0.set_y_label('Amplitude', "") self.qtgui_eye_sink_x_0.enable_tags(True) self.qtgui_eye_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_eye_sink_x_0.enable_autoscale(False) self.qtgui_eye_sink_x_0.enable_grid(False) self.qtgui_eye_sink_x_0.enable_axis_labels(True) self.qtgui_eye_sink_x_0.enable_control_panel(False) labels = ['Signal 1', 'Signal 2', 'Signal 3', 'Signal 4', 'Signal 5', 'Signal 6', 'Signal 7', 'Signal 8', 'Signal 9', 'Signal 10'] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ['blue', 'blue', 'blue', 'blue', 'blue', 'blue', 'blue', 'blue', 'blue', 'blue'] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] for i in range(2): if len(labels[i]) == 0: if (i % 2 == 0): self.qtgui_eye_sink_x_0.set_line_label(i, "Eye [Re{{Data {0}}}]".format(round(i/2))) else: self.qtgui_eye_sink_x_0.set_line_label(i, "Eye [Im{{Data {0}}}]".format(round((i-1)/2))) else: self.qtgui_eye_sink_x_0.set_line_label(i, labels[i]) self.qtgui_eye_sink_x_0.set_line_width(i, widths[i]) self.qtgui_eye_sink_x_0.set_line_color(i, colors[i]) self.qtgui_eye_sink_x_0.set_line_style(i, styles[i]) self.qtgui_eye_sink_x_0.set_line_marker(i, markers[i]) self.qtgui_eye_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_eye_sink_x_0_win = sip.wrapinstance(self.qtgui_eye_sink_x_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_eye_sink_x_0_win) self.qtgui_const_sink_x_2 = qtgui.const_sink_c( 1024, #size "Locked", #name 1 #number of inputs ) self.qtgui_const_sink_x_2.set_update_time(0.10) self.qtgui_const_sink_x_2.set_y_axis(-2, 2) self.qtgui_const_sink_x_2.set_x_axis(-2, 2) self.qtgui_const_sink_x_2.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.qtgui_const_sink_x_2.enable_autoscale(False) self.qtgui_const_sink_x_2.enable_grid(False) self.qtgui_const_sink_x_2.enable_axis_labels(True) labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "red", "red", "red", "red", "red", "red", "red", "red"] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in range(1): if len(labels[i]) == 0: self.qtgui_const_sink_x_2.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_const_sink_x_2.set_line_label(i, labels[i]) self.qtgui_const_sink_x_2.set_line_width(i, widths[i]) self.qtgui_const_sink_x_2.set_line_color(i, colors[i]) self.qtgui_const_sink_x_2.set_line_style(i, styles[i]) self.qtgui_const_sink_x_2.set_line_marker(i, markers[i]) self.qtgui_const_sink_x_2.set_line_alpha(i, alphas[i]) self._qtgui_const_sink_x_2_win = sip.wrapinstance(self.qtgui_const_sink_x_2.pyqwidget(), Qt.QWidget) self.plots_grid_layout_0.addWidget(self._qtgui_const_sink_x_2_win, 1, 2, 1, 1) for r in range(1, 2): self.plots_grid_layout_0.setRowStretch(r, 1) for c in range(2, 3): self.plots_grid_layout_0.setColumnStretch(c, 1) self.qtgui_const_sink_x_1_0 = qtgui.const_sink_c( 1024, #size "Equalized", #name 1 #number of inputs ) self.qtgui_const_sink_x_1_0.set_update_time(0.10) self.qtgui_const_sink_x_1_0.set_y_axis(-2, 2) self.qtgui_const_sink_x_1_0.set_x_axis(-2, 2) self.qtgui_const_sink_x_1_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.qtgui_const_sink_x_1_0.enable_autoscale(False) self.qtgui_const_sink_x_1_0.enable_grid(False) self.qtgui_const_sink_x_1_0.enable_axis_labels(True) labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "red", "red", "red", "red", "red", "red", "red", "red"] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in range(1): if len(labels[i]) == 0: self.qtgui_const_sink_x_1_0.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_const_sink_x_1_0.set_line_label(i, labels[i]) self.qtgui_const_sink_x_1_0.set_line_width(i, widths[i]) self.qtgui_const_sink_x_1_0.set_line_color(i, colors[i]) self.qtgui_const_sink_x_1_0.set_line_style(i, styles[i]) self.qtgui_const_sink_x_1_0.set_line_marker(i, markers[i]) self.qtgui_const_sink_x_1_0.set_line_alpha(i, alphas[i]) self._qtgui_const_sink_x_1_0_win = sip.wrapinstance(self.qtgui_const_sink_x_1_0.pyqwidget(), Qt.QWidget) self.plots_grid_layout_0.addWidget(self._qtgui_const_sink_x_1_0_win, 1, 1, 1, 1) for r in range(1, 2): self.plots_grid_layout_0.setRowStretch(r, 1) for c in range(1, 2): self.plots_grid_layout_0.setColumnStretch(c, 1) self.qtgui_const_sink_x_0_0_0 = qtgui.const_sink_c( 2048, #size "Received", #name 1 #number of inputs ) self.qtgui_const_sink_x_0_0_0.set_update_time(0.10) self.qtgui_const_sink_x_0_0_0.set_y_axis(-2, 2) self.qtgui_const_sink_x_0_0_0.set_x_axis(-2, 2) self.qtgui_const_sink_x_0_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.qtgui_const_sink_x_0_0_0.enable_autoscale(True) self.qtgui_const_sink_x_0_0_0.enable_grid(False) self.qtgui_const_sink_x_0_0_0.enable_axis_labels(True) labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "red", "red", "red", "red", "red", "red", "red", "red"] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in range(1): if len(labels[i]) == 0: self.qtgui_const_sink_x_0_0_0.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_const_sink_x_0_0_0.set_line_label(i, labels[i]) self.qtgui_const_sink_x_0_0_0.set_line_width(i, widths[i]) self.qtgui_const_sink_x_0_0_0.set_line_color(i, colors[i]) self.qtgui_const_sink_x_0_0_0.set_line_style(i, styles[i]) self.qtgui_const_sink_x_0_0_0.set_line_marker(i, markers[i]) self.qtgui_const_sink_x_0_0_0.set_line_alpha(i, alphas[i]) self._qtgui_const_sink_x_0_0_0_win = sip.wrapinstance(self.qtgui_const_sink_x_0_0_0.pyqwidget(), Qt.QWidget) self.plots_grid_layout_0.addWidget(self._qtgui_const_sink_x_0_0_0_win, 0, 1, 1, 1) for r in range(0, 1): self.plots_grid_layout_0.setRowStretch(r, 1) for c in range(1, 2): self.plots_grid_layout_0.setColumnStretch(c, 1) self.qtgui_const_sink_x_0_0 = qtgui.const_sink_c( 2048, #size "Synchronized and filtered", #name 1 #number of inputs ) self.qtgui_const_sink_x_0_0.set_update_time(0.10) self.qtgui_const_sink_x_0_0.set_y_axis(-2, 2) self.qtgui_const_sink_x_0_0.set_x_axis(-2, 2) self.qtgui_const_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.qtgui_const_sink_x_0_0.enable_autoscale(True) self.qtgui_const_sink_x_0_0.enable_grid(False) self.qtgui_const_sink_x_0_0.enable_axis_labels(True) labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "red", "red", "red", "red", "red", "red", "red", "red"] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in range(1): if len(labels[i]) == 0: self.qtgui_const_sink_x_0_0.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_const_sink_x_0_0.set_line_label(i, labels[i]) self.qtgui_const_sink_x_0_0.set_line_width(i, widths[i]) self.qtgui_const_sink_x_0_0.set_line_color(i, colors[i]) self.qtgui_const_sink_x_0_0.set_line_style(i, styles[i]) self.qtgui_const_sink_x_0_0.set_line_marker(i, markers[i]) self.qtgui_const_sink_x_0_0.set_line_alpha(i, alphas[i]) self._qtgui_const_sink_x_0_0_win = sip.wrapinstance(self.qtgui_const_sink_x_0_0.pyqwidget(), Qt.QWidget) self.plots_grid_layout_0.addWidget(self._qtgui_const_sink_x_0_0_win, 0, 2, 1, 1) for r in range(0, 1): self.plots_grid_layout_0.setRowStretch(r, 1) for c in range(2, 3): self.plots_grid_layout_0.setColumnStretch(c, 1) self.qtgui_const_sink_x_0 = qtgui.const_sink_c( 1024, #size "Sent (with ISI)", #name 1 #number of inputs ) self.qtgui_const_sink_x_0.set_update_time(0.10) self.qtgui_const_sink_x_0.set_y_axis(-2, 2) self.qtgui_const_sink_x_0.set_x_axis(-2, 2) self.qtgui_const_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.qtgui_const_sink_x_0.enable_autoscale(False) self.qtgui_const_sink_x_0.enable_grid(False) self.qtgui_const_sink_x_0.enable_axis_labels(True) labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "red", "red", "red", "red", "red", "red", "red", "red"] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in range(1): if len(labels[i]) == 0: self.qtgui_const_sink_x_0.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_const_sink_x_0.set_line_label(i, labels[i]) self.qtgui_const_sink_x_0.set_line_width(i, widths[i]) self.qtgui_const_sink_x_0.set_line_color(i, colors[i]) self.qtgui_const_sink_x_0.set_line_style(i, styles[i]) self.qtgui_const_sink_x_0.set_line_marker(i, markers[i]) self.qtgui_const_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_const_sink_x_0_win = sip.wrapinstance(self.qtgui_const_sink_x_0.pyqwidget(), Qt.QWidget) self.plots_grid_layout_0.addWidget(self._qtgui_const_sink_x_0_win, 0, 0, 1, 1) for r in range(0, 1): self.plots_grid_layout_0.setRowStretch(r, 1) for c in range(0, 1): self.plots_grid_layout_0.setColumnStretch(c, 1) self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(sps, timing_loop_bw, rrc_taps, nfilts, nfilts/2, 1.5, int(sps / 2)) self.digital_map_bb_0 = digital.map_bb([0, 1, 3, 2]) self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(4) self.digital_costas_loop_cc_0 = digital.costas_loop_cc(phase_bw, 4, False) self.digital_constellation_modulator_0 = digital.generic_mod( constellation=qpsk_const, differential=True, samples_per_symbol=sps, pre_diff_code=True, excess_bw=excess_bw, verbose=False, log=False) self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(qpsk_const) self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc(eq_ntaps, eq_mod, eq_gain, int(sps / 2)) self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_char*1) self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char*1, '/home/god/Documents/Fading/hardware/QPSK/lena512color.tiff', True, 0, 0) self.blocks_file_source_0.set_begin_tag(pmt.PMT_NIL) ################################################## # Connections ################################################## self.connect((self.blocks_file_source_0, 0), (self.digital_constellation_modulator_0, 0)) self.connect((self.digital_cma_equalizer_cc_0, 0), (self.digital_costas_loop_cc_0, 0)) self.connect((self.digital_cma_equalizer_cc_0, 0), (self.qtgui_const_sink_x_1_0, 0)) self.connect((self.digital_cma_equalizer_cc_0, 0), (self.qtgui_freq_sink_x_1_0_1, 0)) self.connect((self.digital_constellation_decoder_cb_0, 0), (self.digital_diff_decoder_bb_0, 0)) self.connect((self.digital_constellation_modulator_0, 0), (self.qtgui_const_sink_x_0, 0)) self.connect((self.digital_constellation_modulator_0, 0), (self.qtgui_freq_sink_x_1, 0)) self.connect((self.digital_constellation_modulator_0, 0), (self.qtgui_time_sink_x_2, 0)) self.connect((self.digital_constellation_modulator_0, 0), (self.uhd_usrp_sink_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.digital_constellation_decoder_cb_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.qtgui_const_sink_x_2, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.qtgui_eye_sink_x_1, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.qtgui_freq_sink_x_1_0_1_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.qtgui_time_sink_x_2_0_0, 0)) self.connect((self.digital_diff_decoder_bb_0, 0), (self.digital_map_bb_0, 0)) self.connect((self.digital_map_bb_0, 0), (self.blocks_null_sink_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_cma_equalizer_cc_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.qtgui_const_sink_x_0_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.qtgui_freq_sink_x_1_0, 0)) self.connect((self.uhd_usrp_source_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0)) self.connect((self.uhd_usrp_source_0, 0), (self.qtgui_const_sink_x_0_0_0, 0)) self.connect((self.uhd_usrp_source_0, 0), (self.qtgui_freq_sink_x_1_0_0, 0)) def closeEvent(self, event): self.settings = Qt.QSettings("GNU Radio", "qpks") self.settings.setValue("geometry", self.saveGeometry()) event.accept() def get_sps(self): return self.sps def set_sps(self, sps): self.sps = sps self.set_rrc_taps(firdes.root_raised_cosine(self.nfilts, self.nfilts, 1.0/float(self.sps), self.excess_bw, 45*self.nfilts)) self.qtgui_eye_sink_x_0.set_samp_per_symbol(self.sps) self.qtgui_eye_sink_x_1.set_samp_per_symbol(self.sps) def get_nfilts(self): return self.nfilts def set_nfilts(self, nfilts): self.nfilts = nfilts self.set_rrc_taps(firdes.root_raised_cosine(self.nfilts, self.nfilts, 1.0/float(self.sps), self.excess_bw, 45*self.nfilts)) def get_excess_bw(self): return self.excess_bw def set_excess_bw(self, excess_bw): self.excess_bw = excess_bw self.set_rrc_taps(firdes.root_raised_cosine(self.nfilts, self.nfilts, 1.0/float(self.sps), self.excess_bw, 45*self.nfilts)) def get_timing_loop_bw(self): return self.timing_loop_bw def set_timing_loop_bw(self, timing_loop_bw): self.timing_loop_bw = timing_loop_bw self.digital_pfb_clock_sync_xxx_0.set_loop_bandwidth(self.timing_loop_bw) def get_samp_rate(self): return self.samp_rate def set_samp_rate(self, samp_rate): self.samp_rate = samp_rate self.qtgui_eye_sink_x_0.set_samp_rate(self.samp_rate) self.qtgui_eye_sink_x_1.set_samp_rate(self.samp_rate) self.qtgui_freq_sink_x_1.set_frequency_range(0, self.samp_rate) self.qtgui_freq_sink_x_1_0.set_frequency_range(0, self.samp_rate) self.qtgui_freq_sink_x_1_0_0.set_frequency_range(0, self.samp_rate) self.qtgui_freq_sink_x_1_0_1.set_frequency_range(0, self.samp_rate) self.qtgui_freq_sink_x_1_0_1_0.set_frequency_range(0, self.samp_rate) self.qtgui_time_sink_x_2.set_samp_rate(self.samp_rate) self.qtgui_time_sink_x_2_0_0.set_samp_rate(self.samp_rate) self.uhd_usrp_sink_0.set_samp_rate(self.samp_rate) self.uhd_usrp_source_0.set_samp_rate(self.samp_rate) def get_rrc_taps(self): return self.rrc_taps def set_rrc_taps(self, rrc_taps): self.rrc_taps = rrc_taps self.digital_pfb_clock_sync_xxx_0.update_taps(self.rrc_taps) def get_qpsk_const(self): return self.qpsk_const def set_qpsk_const(self, qpsk_const): self.qpsk_const = qpsk_const def get_phase_bw(self): return self.phase_bw def set_phase_bw(self, phase_bw): self.phase_bw = phase_bw self.digital_costas_loop_cc_0.set_loop_bandwidth(self.phase_bw) def get_eq_ntaps(self): return self.eq_ntaps def set_eq_ntaps(self, eq_ntaps): self.eq_ntaps = eq_ntaps def get_eq_mod(self): return self.eq_mod def set_eq_mod(self, eq_mod): self.eq_mod = eq_mod self.digital_cma_equalizer_cc_0.set_modulus(self.eq_mod) def get_eq_gain(self): return self.eq_gain def set_eq_gain(self, eq_gain): self.eq_gain = eq_gain self.digital_cma_equalizer_cc_0.set_gain(self.eq_gain) def main(top_block_cls=qpks, options=None): if gr.enable_realtime_scheduling() != gr.RT_OK: print("Error: failed to enable real-time scheduling.") 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()