diff options
Diffstat (limited to 'gr-howto-write-a-block/apps/howto_square_qt.py')
-rwxr-xr-x | gr-howto-write-a-block/apps/howto_square_qt.py | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/gr-howto-write-a-block/apps/howto_square_qt.py b/gr-howto-write-a-block/apps/howto_square_qt.py new file mode 100755 index 0000000000..3215ea8ab4 --- /dev/null +++ b/gr-howto-write-a-block/apps/howto_square_qt.py @@ -0,0 +1,100 @@ +#!/usr/bin/env python +################################################## +# Gnuradio Python Flow Graph +# Title: Howto Square Qt +# Generated: Sat Nov 10 15:23:43 2012 +################################################## + +from PyQt4 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.gr import firdes +from optparse import OptionParser +import howto +import sip +import sys + +class howto_square_qt(gr.top_block, Qt.QWidget): + + def __init__(self): + gr.top_block.__init__(self, "Howto Square Qt") + Qt.QWidget.__init__(self) + self.setWindowTitle("Howto Square Qt") + self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc')) + 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", "howto_square_qt") + self.restoreGeometry(self.settings.value("geometry").toByteArray()) + + + ################################################## + # Variables + ################################################## + self.samp_rate = samp_rate = 32000 + + ################################################## + # Blocks + ################################################## + self.qtgui_time_sink_x_0 = qtgui.time_sink_f( + 1024, #size + samp_rate, #samp_rate + "QT GUI Plot", #name + 3 #number of inputs + ) + self.qtgui_time_sink_x_0.set_y_axis(-1, 1) + 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.howto_square_ff_0 = howto.square_ff() + self.howto_square2_ff_0 = howto.square2_ff() + self.blocks_throttle_0 = blocks.throttle(gr.sizeof_float*1, samp_rate) + self.analog_sig_source_x_0 = analog.sig_source_f(samp_rate, analog.GR_COS_WAVE, 1000, 1, 0) + + ################################################## + # Connections + ################################################## + self.connect((self.howto_square2_ff_0, 0), (self.qtgui_time_sink_x_0, 0)) + self.connect((self.blocks_throttle_0, 0), (self.howto_square2_ff_0, 0)) + self.connect((self.blocks_throttle_0, 0), (self.howto_square_ff_0, 0)) + self.connect((self.blocks_throttle_0, 0), (self.qtgui_time_sink_x_0, 1)) + self.connect((self.howto_square_ff_0, 0), (self.qtgui_time_sink_x_0, 2)) + self.connect((self.analog_sig_source_x_0, 0), (self.blocks_throttle_0, 0)) + +# QT sink close method reimplementation + def closeEvent(self, event): + self.settings = Qt.QSettings("GNU Radio", "howto_square_qt") + 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.qtgui_time_sink_x_0.set_samp_rate(self.samp_rate) + self.analog_sig_source_x_0.set_sampling_freq(self.samp_rate) + +if __name__ == '__main__': + parser = OptionParser(option_class=eng_option, usage="%prog: [options]") + (options, args) = parser.parse_args() + qapp = Qt.QApplication(sys.argv) + tb = howto_square_qt() + tb.start() + tb.show() + qapp.exec_() + tb.stop() + tb = None #to clean up Qt widgets + |