diff options
Diffstat (limited to 'gr-qtgui/src/python/usrp_display.py')
| -rwxr-xr-x | gr-qtgui/src/python/usrp_display.py | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/gr-qtgui/src/python/usrp_display.py b/gr-qtgui/src/python/usrp_display.py new file mode 100755 index 0000000000..d5d2bc67de --- /dev/null +++ b/gr-qtgui/src/python/usrp_display.py @@ -0,0 +1,208 @@ +#!/usr/bin/env python + +from gnuradio import gr +from gnuradio import usrp +from gnuradio import eng_notation +from gnuradio.eng_option import eng_option +from gnuradio.qtgui import qtgui +from optparse import OptionParser +from PyQt4 import QtGui, QtCore +import sys, sip + +class dialog_box(QtGui.QWidget): + def __init__(self, display, control): + QtGui.QWidget.__init__(self, None) + self.setWindowTitle('USRP FFT') + + self.boxlayout = QtGui.QBoxLayout(QtGui.QBoxLayout.LeftToRight, self) + self.boxlayout.addWidget(display, 1) + self.boxlayout.addWidget(control) + + self.resize(800, 500) + +class control_panel(QtGui.QWidget): + def __init__(self, usrp, subdev, qtsink, parent=None): + QtGui.QWidget.__init__(self, parent) + self.setWindowTitle('USRP Control Panel') + + self.usrp = usrp + self.subdev = subdev + self.qtsink = qtsink + self.adc_rate = self.usrp.converter_rate() + + self.freq = 0 + self.decim = 0 + self.bw = 0 + self.gain = 0 + + self.setToolTip('Set the values of the USRP') + QtGui.QToolTip.setFont(QtGui.QFont('OldEnglish', 10)) + + self.layout = QtGui.QFormLayout(self) + + # Received frequency + self.freqEdit = QtGui.QLineEdit(self) + self.layout.addRow("Frequency:", self.freqEdit) + self.connect(self.freqEdit, QtCore.SIGNAL("editingFinished()"), + self.freqEditText) + + # Receiver gain + self.gainEdit = QtGui.QLineEdit(self) + self.layout.addRow("Gain:", self.gainEdit) + self.connect(self.gainEdit, QtCore.SIGNAL("editingFinished()"), + self.gainEditText) + + + # Decim / Bandwidth + self.decimEdit = QtGui.QLineEdit(self) + self.layout.addRow("Decim Rate:", self.decimEdit) + self.connect(self.decimEdit, QtCore.SIGNAL("editingFinished()"), + self.decimEditText) + + self.quit = QtGui.QPushButton('Close', self) + self.layout.addRow(self.quit) + + self.connect(self.quit, QtCore.SIGNAL('clicked()'), + QtGui.qApp, QtCore.SLOT('quit()')) + + def set_frequency(self, freq): + self.freq = freq + sfreq = eng_notation.num_to_str(self.freq) + self.freqEdit.setText(QtCore.QString("%1").arg(sfreq)) + + def set_gain(self, gain): + self.gain = gain + self.gainEdit.setText(QtCore.QString("%1").arg(self.gain)) + + def set_decim(self, decim): + self.decim = decim + self.bw = self.adc_rate / float(self.decim) / 1000.0 + self.decimEdit.setText(QtCore.QString("%1").arg(self.decim)) + + def freqEditText(self): + try: + freq = eng_notation.str_to_num(self.freqEdit.text().toAscii()) + self.usrp.tune(0, self.subdev, freq) + self.freq = freq + self.qtsink.set_frequency_range(self.freq, self.freq-self.bw/2.0, self.freq+self.bw/2.0) + except RuntimeError: + pass + + #self.set_frequency(self.freq) + + def gainEditText(self): + try: + gain = float(self.gainEdit.text()) + self.subdev.set_gain(gain) + self.gain = gain + except ValueError: + pass + + #self.set_gain(gain) + + def decimEditText(self): + try: + decim = int(self.decimEdit.text()) + self.usrp.set_decim_rate(decim) + + self.decim = decim + self.bw = self.adc_rate / self.decim + self.qtsink.set_frequency_range(-self.bw/2.0, self.bw/2.0, self.freq) + + except ValueError: + pass + + #self.set_decim(decim) + + +class my_top_block(gr.top_block): + def __init__(self): + gr.top_block.__init__(self) + + parser = OptionParser(option_class=eng_option) + parser.add_option("-w", "--which", type="int", default=0, + help="select which USRP (0, 1, ...) default is %default", + metavar="NUM") + parser.add_option("-R", "--rx-subdev-spec", type="subdev", default=None, + help="select USRP Rx side A or B (default=first one with a daughterboard)") + parser.add_option("-A", "--antenna", default=None, + help="select Rx Antenna (only on RFX-series boards)") + parser.add_option("-d", "--decim", type="int", default=16, + help="set fgpa decimation rate to DECIM [default=%default]") + parser.add_option("-f", "--freq", type="eng_float", default=None, + help="set frequency to FREQ", metavar="FREQ") + parser.add_option("-g", "--gain", type="eng_float", default=None, + help="set gain in dB [default is midpoint]") + parser.add_option("-W", "--waterfall", action="store_true", default=False, + help="Enable waterfall display") + parser.add_option("-8", "--width-8", action="store_true", default=False, + help="Enable 8-bit samples across USB") + parser.add_option( "--no-hb", action="store_true", default=False, + help="don't use halfband filter in usrp") + parser.add_option("-S", "--oscilloscope", action="store_true", default=False, + help="Enable oscilloscope display") + parser.add_option("", "--avg-alpha", type="eng_float", default=1e-1, + help="Set fftsink averaging factor, [default=%default]") + parser.add_option("", "--ref-scale", type="eng_float", default=13490.0, + help="Set dBFS=0dB input value, [default=%default]") + parser.add_option("", "--fft-size", type="int", default=1024, + help="Set FFT frame size, [default=%default]"); + + (options, args) = parser.parse_args() + if len(args) != 0: + parser.print_help() + sys.exit(1) + self.options = options + self.show_debug_info = True + + # Call this before creating the Qt sink + self.qapp = QtGui.QApplication(sys.argv) + + self.u = usrp.source_c(which=options.which, decim_rate=options.decim) + rx_subdev_spec = (0,0) + self.u.set_mux(usrp.determine_rx_mux_value(self.u, rx_subdev_spec)) + self.subdev = usrp.selected_subdev(self.u, rx_subdev_spec) + + if options.gain is None: + # if no gain was specified, use the mid-point in dB + g = self.subdev.gain_range() + options.gain = float(g[0]+g[1])/2 + self.subdev.set_gain(options.gain) + + if options.freq is None: + # if no frequency was specified, use the mid-point of the subdev + f = self.subdev.freq_range() + options.freq = float(f[0]+f[1])/2 + self.u.tune(0, self.subdev, options.freq) + + fftsize = 2048 + input_rate = self.u.converter_rate() / self.u.decim_rate() + self.snk = qtgui.sink_c(fftsize, gr.firdes.WIN_BLACKMAN_hARRIS, + -input_rate/2, input_rate/2, + "USRP Display", + True, True, False, True, False) + + amp = gr.multiply_const_cc(0.001) + self.connect(self.u, amp, self.snk) + + self.ctrl_win = control_panel(self.u, self.subdev, self.snk) + + self.ctrl_win.set_frequency(options.freq) + self.ctrl_win.set_gain(options.gain) + self.ctrl_win.set_decim(options.decim) + + # Get the reference pointer to the SpectrumDisplayForm QWidget + pyQt = self.snk.pyqwidget() + + # Wrap the pointer as a PyQt SIP object + # This can now be manipulated as a PyQt4.QtGui.QWidget + pyWin = sip.wrapinstance(pyQt, QtGui.QWidget) + + self.main_box = dialog_box(pyWin, self.ctrl_win) + + self.main_box.show() + +if __name__ == "__main__": + tb = my_top_block(); + tb.start() + tb.qapp.exec_() |