--- /dev/null
+#!/usr/bin/env python
+#
+# Copyright 2009 Free Software Foundation, Inc.
+#
+# This file is part of GNU Radio
+#
+# GNU Radio is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3, or (at your option)
+# any later version.
+#
+# GNU Radio is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GNU Radio; see the file COPYING. If not, write to
+# the Free Software Foundation, Inc., 51 Franklin Street,
+# Boston, MA 02110-1301, USA.
+#
+
+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
+import sys
+
+try:
+ from gnuradio.qtgui import qtgui
+ from PyQt4 import QtGui, QtCore
+ import sip
+except ImportError:
+ print "Please install gr-qtgui."
+ sys.exit(1)
+
+try:
+ from usrp_display_qtgui import Ui_MainWindow
+except ImportError:
+ print "Error: could not find usrp_display_qtgui.py:"
+ print "\t\"pyuic4 usrp_display_qtgui.ui -o usrp_display_qtgui.py\""
+ sys.exit(1)
+
+
+
+# ////////////////////////////////////////////////////////////////////
+# Define the QT Interface and Control Dialog
+# ////////////////////////////////////////////////////////////////////
+
+
+class main_window(QtGui.QMainWindow):
+ def __init__(self, snk, fg, parent=None):
+
+ QtGui.QWidget.__init__(self, parent)
+ self.gui = Ui_MainWindow()
+ self.gui.setupUi(self)
+
+ self.fg = fg
+
+ # Add the qtsnk widgets to the layout box
+ self.gui.sinkLayout.addWidget(snk)
+
+ # Connect up some signals
+ self.connect(self.gui.pauseButton, QtCore.SIGNAL("clicked()"),
+ self.pauseFg)
+ self.connect(self.gui.frequencyEdit, QtCore.SIGNAL("editingFinished()"),
+ self.frequencyEditText)
+ self.connect(self.gui.gainEdit, QtCore.SIGNAL("editingFinished()"),
+ self.gainEditText)
+ self.connect(self.gui.bandwidthEdit, QtCore.SIGNAL("editingFinished()"),
+ self.bandwidthEditText)
+ self.connect(self.gui.amplifierEdit, QtCore.SIGNAL("editingFinished()"),
+ self.amplifierEditText)
+
+ self.connect(self.gui.actionSaveData, QtCore.SIGNAL("activated()"),
+ self.saveData)
+ self.gui.actionSaveData.setShortcut(QtGui.QKeySequence.Save)
+
+ def pauseFg(self):
+ if(self.gui.pauseButton.text() == "Pause"):
+ self.fg.stop()
+ self.fg.wait()
+ self.gui.pauseButton.setText("Unpause")
+ else:
+ self.fg.start()
+ self.gui.pauseButton.setText("Pause")
+
+
+ # Functions to set the values in the GUI
+ def set_frequency(self, freq):
+ self.freq = freq
+ sfreq = eng_notation.num_to_str(self.freq)
+ self.gui.frequencyEdit.setText(QtCore.QString("%1").arg(sfreq))
+
+ def set_gain(self, gain):
+ self.gain = gain
+ self.gui.gainEdit.setText(QtCore.QString("%1").arg(self.gain))
+
+ def set_bandwidth(self, bw):
+ self.bw = bw
+ sbw = eng_notation.num_to_str(self.bw)
+ self.gui.bandwidthEdit.setText(QtCore.QString("%1").arg(sbw))
+
+ def set_amplifier(self, amp):
+ self.amp = amp
+ self.gui.amplifierEdit.setText(QtCore.QString("%1").arg(self.amp))
+
+
+ # Functions called when signals are triggered in the GUI
+ def frequencyEditText(self):
+ try:
+ freq = eng_notation.str_to_num(self.gui.frequencyEdit.text().toAscii())
+ self.fg.set_frequency(freq)
+ self.freq = freq
+ except RuntimeError:
+ pass
+
+ def gainEditText(self):
+ try:
+ gain = float(self.gui.gainEdit.text())
+ self.fg.set_gain(gain)
+ self.gain = gain
+ except ValueError:
+ pass
+
+ def bandwidthEditText(self):
+ try:
+ bw = eng_notation.str_to_num(self.gui.bandwidthEdit.text().toAscii())
+ self.fg.set_bandwidth(bw)
+ self.bw = bw
+ except ValueError:
+ pass
+
+ def amplifierEditText(self):
+ try:
+ amp = float(self.gui.amplifierEdit.text())
+ self.fg.set_amplifier_gain(amp)
+ self.amp = amp
+ except ValueError:
+ pass
+
+ def saveData(self):
+ fileName = QtGui.QFileDialog.getSaveFileName(self, "Save data to file", ".");
+ if(len(fileName)):
+ self.fg.save_to_file(str(fileName))
+
+
+def pick_subdevice(u):
+ """
+ The user didn't specify a subdevice on the command line.
+ If there's a daughterboard on A, select A.
+ If there's a daughterboard on B, select B.
+ Otherwise, select A.
+ """
+ if u.db(0, 0).dbid() >= 0: # dbid is < 0 if there's no d'board or a problem
+ return (0, 0)
+ if u.db(0, 0).dbid() >= 0:
+ return (1, 0)
+ return (0, 0)
+
+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("-W", "--bw", type="float", default=1e6,
+ help="set bandwidth of receiver [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("-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=2048,
+ 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._fftsize = options.fft_size
+
+ self.u = usrp.source_c(which=options.which)
+ self._adc_rate = self.u.converter_rate()
+ self.set_bandwidth(options.bw)
+
+ if options.rx_subdev_spec is None:
+ options.rx_subdev_spec = pick_subdevice(self.u)
+ self._rx_subdev_spec = options.rx_subdev_spec
+ self.u.set_mux(usrp.determine_rx_mux_value(self.u, self._rx_subdev_spec))
+ self.subdev = usrp.selected_subdev(self.u, self._rx_subdev_spec)
+
+ self._gain_range = self.subdev.gain_range()
+ if options.gain is None:
+ # if no gain was specified, use the mid-point in dB
+ g = self._gain_range
+ options.gain = float(g[0]+g[1])/2
+ self.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.set_frequency(options.freq)
+
+ self.snk = qtgui.sink_c(self._fftsize, gr.firdes.WIN_BLACKMAN_hARRIS,
+ self._freq, self._bandwidth,
+ "USRP Display",
+ True, True, False, True, False)
+
+ # Set up internal amplifier
+ self.amp = gr.multiply_const_cc(0.0)
+ self.set_amplifier_gain(0.001)
+
+ # Connect the flow graph
+ self.connect(self.u, self.amp, self.snk)
+
+
+ # Get the reference pointer to the SpectrumDisplayForm QWidget
+ # Wrap the pointer as a PyQt SIP object
+ # This can now be manipulated as a PyQt4.QtGui.QWidget
+ self.pysink = sip.wrapinstance(self.snk.pyqwidget(), QtGui.QWidget)
+
+ self.main_win = main_window(self.pysink, self)
+
+ self.main_win.set_frequency(self._freq)
+ self.main_win.set_gain(self._gain)
+ self.main_win.set_bandwidth(self._bandwidth)
+ self.main_win.set_amplifier(self._amp_value)
+
+ self.main_win.show()
+
+ def save_to_file(self, name):
+ # Pause the flow graph
+ self.stop()
+ self.wait()
+
+ # Add file sink to save data
+ self.file_sink = gr.file_sink(gr.sizeof_gr_complex, name)
+ self.connect(self.amp, self.file_sink)
+
+ # Restart flow graph
+ self.start()
+
+ def set_gain(self, gain):
+ self._gain = gain
+ self.subdev.set_gain(self._gain)
+
+ def set_frequency(self, freq):
+ self._freq = freq
+ self.u.tune(0, self.subdev, self._freq)
+
+ try:
+ self.snk.set_frequency_range(self._freq, self._bandwidth)
+ except:
+ pass
+
+ def set_bandwidth(self, bw):
+ self._bandwidth = bw
+ self._decim = int(self._adc_rate / self._bandwidth)
+ self.u.set_decim_rate(self._decim)
+
+ try:
+ self.snk.set_frequency_range(self._freq, self._bandwidth)
+ except:
+ pass
+
+ def set_amplifier_gain(self, amp):
+ self._amp_value = amp
+ self.amp.set_k(self._amp_value)
+
+
+if __name__ == "__main__":
+ tb = my_top_block();
+ tb.start()
+ tb.qapp.exec_()
projects / debian / gnuradio / blobdiff