from gnuradio.eng_option import eng_option
from gnuradio.qtgui import qtgui
from optparse import OptionParser
-from PyQt4 import QtGui, QtCore
-import sys, sip
+import sys
-class dialog_box(QtGui.QWidget):
- def __init__(self, display, control):
- QtGui.QWidget.__init__(self, None)
- self.setWindowTitle('USRP FFT')
+try:
+ from gnuradio.qtgui import qtgui
+ from PyQt4 import QtGui, QtCore
+ import sip
+except ImportError:
+ print "Please install gr-qtgui."
+ sys.exit(1)
- self.boxlayout = QtGui.QBoxLayout(QtGui.QBoxLayout.LeftToRight, self)
- self.boxlayout.addWidget(display, 1)
- self.boxlayout.addWidget(control)
+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)
- 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)
+# ////////////////////////////////////////////////////////////////////
+# Define the QT Interface and Control Dialog
+# ////////////////////////////////////////////////////////////////////
- # Receiver gain
- self.gainEdit = QtGui.QLineEdit(self)
- self.layout.addRow("Gain:", self.gainEdit)
- self.connect(self.gainEdit, QtCore.SIGNAL("editingFinished()"),
- self.gainEditText)
+class main_window(QtGui.QMainWindow):
+ def __init__(self, snk, fg, parent=None):
- # Decim / Bandwidth
- self.decimEdit = QtGui.QLineEdit(self)
- self.layout.addRow("Decim Rate:", self.decimEdit)
- self.connect(self.decimEdit, QtCore.SIGNAL("editingFinished()"),
- self.decimEditText)
+ QtGui.QWidget.__init__(self, parent)
+ self.gui = Ui_MainWindow()
+ self.gui.setupUi(self)
- self.quit = QtGui.QPushButton('Close', self)
- self.layout.addRow(self.quit)
+ self.fg = fg
- self.connect(self.quit, QtCore.SIGNAL('clicked()'),
- QtGui.qApp, QtCore.SLOT('quit()'))
+ # 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.freqEdit.setText(QtCore.QString("%1").arg(sfreq))
+ self.gui.frequencyEdit.setText(QtCore.QString("%1").arg(sfreq))
def set_gain(self, gain):
self.gain = gain
- self.gainEdit.setText(QtCore.QString("%1").arg(self.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, bw):
+ self.amp = amp
+ self.gui.amplifierEdit.setText(QtCore.QString("%1").arg(self.amp))
- 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):
+ # Functions called when signals are triggered in the GUI
+ def frequencyEditText(self):
try:
- freq = eng_notation.str_to_num(self.freqEdit.text().toAscii())
- self.usrp.tune(0, self.subdev, freq)
+ freq = eng_notation.str_to_num(self.gui.frequencyEdit.text().toAscii())
+ self.fg.set_frequency(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)
+ 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
- #self.set_gain(gain)
-
- def decimEditText(self):
+ def amplifierEditText(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)
-
+ amp = float(self.gui.amplifierEdit.text())
+ self.fg.set_amplifier_gain(amp)
+ self.amp = amp
except ValueError:
pass
- #self.set_decim(decim)
+ 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):
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("-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("-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,
# 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)
+ self._fftsize = 2048
+
+ 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.subdev.gain_range()
+ g = self._gain_range
options.gain = float(g[0]+g[1])/2
- self.subdev.set_gain(options.gain)
+ 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.u.tune(0, self.subdev, options.freq)
+ self.set_frequency(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,
+ self.snk = qtgui.sink_c(self._fftsize, gr.firdes.WIN_BLACKMAN_hARRIS,
+ self._freq, self._bandwidth,
"USRP Display",
True, True, False, True, False)
- amp = gr.multiply_const_cc(0.001)
- self.connect(self.u, amp, self.snk)
+ # Set up internal amplifier
+ self.amp = gr.multiply_const_cc(0.0)
+ self.set_amplifier_gain(0.001)
- self.ctrl_win = control_panel(self.u, self.subdev, self.snk)
+ # Connect the flow graph
+ self.connect(self.u, self.amp, 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)
+ # 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.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
- self.main_box = dialog_box(pyWin, self.ctrl_win)
+ def set_amplifier_gain(self, amp):
+ self._amp_value = amp
+ self.amp.set_k(self._amp_value)
- self.main_box.show()
if __name__ == "__main__":
tb = my_top_block();
projects / debian / gnuradio / blobdiff