#!/usr/bin/env python ################################################## # Gnuradio Python Flow Graph # Title: Top Block # Generated: Wed Jul 2 01:39:19 2014 ################################################## from PyQt5 import Qt from gnuradio import analog from gnuradio import blocks from gnuradio import eng_notation from gnuradio import gr from gnuradio import qtgui from gnuradio.eng_option import eng_option from gnuradio.filter import firdes from optparse import OptionParser import sip import sys import threading import time class top_block(gr.top_block, Qt.QWidget): def __init__(self): gr.top_block.__init__(self, "Top Block") Qt.QWidget.__init__(self) self.setWindowTitle("Top Block") 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", "top_block") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Variables ################################################## self.variable_function_probe_0 = variable_function_probe_0 = 0 self.samp_rate = samp_rate = 32000 self.freq = freq = 1000 self.ampl = ampl = 1 ################################################## # Blocks ################################################## self.probe = blocks.probe_signal_f() self._freq_tool_bar = Qt.QToolBar(self) self._freq_tool_bar.addWidget(Qt.QLabel("freq"+": ")) self._freq_line_edit = Qt.QLineEdit(str(self.freq)) self._freq_tool_bar.addWidget(self._freq_line_edit) self._freq_line_edit.returnPressed.connect( lambda: self.set_freq(int(self._freq_line_edit.text().toAscii()))) self.top_layout.addWidget(self._freq_tool_bar) self._ampl_tool_bar = Qt.QToolBar(self) self._ampl_tool_bar.addWidget(Qt.QLabel("ampl"+": ")) self._ampl_line_edit = Qt.QLineEdit(str(self.ampl)) self._ampl_tool_bar.addWidget(self._ampl_line_edit) self._ampl_line_edit.returnPressed.connect( lambda: self.set_ampl(int(self._ampl_line_edit.text().toAscii()))) self.top_layout.addWidget(self._ampl_tool_bar) def _variable_function_probe_0_probe(): while True: val = self.probe.level() if val == 1: self.set_ampl(1) self.set_freq(1000) else: self.set_ampl(.3) self.set_freq(100) try: self.set_variable_function_probe_0(val) except AttributeError: pass time.sleep(1.0 / (10)) _variable_function_probe_0_thread = threading.Thread(target=_variable_function_probe_0_probe) _variable_function_probe_0_thread.daemon = True _variable_function_probe_0_thread.start() self.qtgui_time_sink_x_0 = qtgui.time_sink_f( 1024, #size samp_rate, #samp_rate "QT GUI Plot", #name 1 #number of inputs ) self.qtgui_time_sink_x_0.set_update_time(0.10) self.qtgui_time_sink_x_0.set_y_axis(-1, 1) self.qtgui_time_sink_x_0.enable_tags(-1, True) self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_0.enable_autoscale(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", "blue"] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.qtgui_time_sink_x_0.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_time_sink_x_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget) self.top_layout.addWidget(self._qtgui_time_sink_x_0_win) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_float*1, samp_rate,True) self.analog_sig_source_x_1 = analog.sig_source_f(samp_rate, analog.GR_SIN_WAVE, freq, ampl, 0) self.analog_sig_source_x_0 = analog.sig_source_f(samp_rate, analog.GR_SQR_WAVE, 0.1, 1, 0) ################################################## # Connections ################################################## self.connect((self.analog_sig_source_x_0, 0), (self.blocks_throttle_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.probe, 0)) self.connect((self.analog_sig_source_x_1, 0), (self.qtgui_time_sink_x_0, 0)) # QT sink close method reimplementation def closeEvent(self, event): self.settings = Qt.QSettings("GNU Radio", "top_block") self.settings.setValue("geometry", self.saveGeometry()) event.accept() def get_variable_function_probe_0(self): return self.variable_function_probe_0 def set_variable_function_probe_0(self, variable_function_probe_0): self.variable_function_probe_0 = variable_function_probe_0 def get_samp_rate(self): return self.samp_rate def set_samp_rate(self, samp_rate): self.samp_rate = samp_rate self.blocks_throttle_0.set_sample_rate(self.samp_rate) self.analog_sig_source_x_0.set_sampling_freq(self.samp_rate) self.qtgui_time_sink_x_0.set_samp_rate(self.samp_rate) self.analog_sig_source_x_1.set_sampling_freq(self.samp_rate) def get_freq(self): return self.freq def set_freq(self, freq): self.freq = freq Qt.QMetaObject.invokeMethod(self._freq_line_edit, "setText", Qt.Q_ARG("QString", str(self.freq))) self.analog_sig_source_x_1.set_frequency(self.freq) def get_ampl(self): return self.ampl def set_ampl(self, ampl): self.ampl = ampl Qt.QMetaObject.invokeMethod(self._ampl_line_edit, "setText", Qt.Q_ARG("QString", str(self.ampl))) self.analog_sig_source_x_1.set_amplitude(self.ampl) 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()" parser = OptionParser(option_class=eng_option, usage="%prog: [options]") (options, args) = parser.parse_args() Qt.QApplication.setGraphicsSystem(gr.prefs().get_string('qtgui','style','raster')) qapp = Qt.QApplication(sys.argv) tb = top_block() tb.start() tb.show() def quitting(): tb.stop() tb.wait() qapp.connect(qapp, Qt.SIGNAL("aboutToQuit()"), quitting) qapp.exec_() tb = None #to clean up Qt widgets