From 20906e630e091350c523064840ea4f606b023357 Mon Sep 17 00:00:00 2001
From: Tom Rondeau <trondeau@vt.edu>
Date: Thu, 6 Oct 2011 14:05:50 -0400
Subject: uhd: removing usrp2 examples. Not bothering with QT version for now
and the wfm_rcv is already handled after conversion from usrp.
---
gnuradio-examples/python/usrp2/usrp2_wfm_qt.py | 355 -------------------------
1 file changed, 355 deletions(-)
delete mode 100755 gnuradio-examples/python/usrp2/usrp2_wfm_qt.py
(limited to 'gnuradio-examples/python/usrp2/usrp2_wfm_qt.py')
diff --git a/gnuradio-examples/python/usrp2/usrp2_wfm_qt.py b/gnuradio-examples/python/usrp2/usrp2_wfm_qt.py
deleted file mode 100755
index 0c74769211..0000000000
--- a/gnuradio-examples/python/usrp2/usrp2_wfm_qt.py
+++ /dev/null
@@ -1,355 +0,0 @@
-#!/usr/bin/env python
-#
-# Copyright 2005,2006,2007,2008,2009 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, gru, eng_notation, optfir
-from gnuradio import audio
-from gnuradio import usrp2
-from gnuradio import blks2
-from gnuradio.eng_option import eng_option
-from optparse import OptionParser
-import sys
-import math
-
-
-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 qt_wfm_interface import Ui_InterfaceWindow
-except ImportError:
- print "Error: could not find qt_wfm_interface.py:"
- print "\tPlease run: \"pyuic4 qt_wfm_interface.ui -o qt_wfm_interface.py\""
- sys.exit(1)
-
-print "This program is not in a proper working state. Comment this out if you want to play."
-sys.exit(1)
-
-
-# ////////////////////////////////////////////////////////////////////
-# Define the QT Interface and Control Dialog
-# ////////////////////////////////////////////////////////////////////
-
-
-class dialog_box(QtGui.QMainWindow):
- def __init__(self, snk_usrp, snk_vol, fg, parent=None):
-
- QtGui.QWidget.__init__(self, parent)
- self.gui = Ui_InterfaceWindow()
- self.gui.setupUi(self)
-
- self.fg = fg
-
- # Set USRP parameters
- self.set_bw(self.fg.usrp_bw())
- self.set_freq(self.fg.freq())
- self.set_gain(self.fg.gain())
- self.set_volume(self.fg.volume())
-
- # Add the qtsnk widgets to the hlayout box
- self.gui.sinkLayout.addWidget(snk_usrp)
- self.gui.sinkLayout.addWidget(snk_vol)
-
-
- # Connect up some signals
- self.connect(self.gui.pauseButton, QtCore.SIGNAL("clicked()"),
- self.pauseFg)
-
- self.connect(self.gui.bandwidthEdit, QtCore.SIGNAL("editingFinished()"),
- self.bwEditText)
- self.connect(self.gui.freqEdit, QtCore.SIGNAL("editingFinished()"),
- self.freqEditText)
- self.connect(self.gui.gainEdit, QtCore.SIGNAL("editingFinished()"),
- self.gainEditText)
-
- self.connect(self.gui.volumeEdit, QtCore.SIGNAL("editingFinished()"),
- self.volumeEditText)
-
-
- 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")
-
-
- # Accessor functions for Gui to manipulate USRP
- def set_bw(self, bw):
- self.gui.bandwidthEdit.setText(QtCore.QString("%1").arg(bw))
-
- def set_freq(self, freq):
- self.gui.freqEdit.setText(QtCore.QString("%1").arg(freq))
-
- def set_gain(self, gain):
- self.gui.gainEdit.setText(QtCore.QString("%1").arg(gain))
-
- def set_volume(self, vol):
- self.gui.volumeEdit.setText(QtCore.QString("%1").arg(vol))
-
- def bwEditText(self):
- try:
- bw = self.gui.bandwidthEdit.text().toDouble()[0]
- self.fg.set_usrp_bw(bw)
- except RuntimeError:
- pass
-
- def freqEditText(self):
- try:
- freq = self.gui.freqEdit.text().toDouble()[0]
- self.fg.set_freq(freq)
- except RuntimeError:
- pass
-
- def gainEditText(self):
- try:
- gain = self.gui.gainEdit.text().toDouble()[0]
- self.fg.set_gain(gain)
- except RuntimeError:
- pass
-
- def volumeEditText(self):
- try:
- vol = self.gui.volumeEdit.text().toDouble()[0]
- self.fg.set_volume(vol)
- except RuntimeError:
- pass
-
-
-
-
-# ////////////////////////////////////////////////////////////////////
-# Define the GNU Radio Top Block
-# ////////////////////////////////////////////////////////////////////
-
-
-class wfm_rx_block (gr.top_block):
- def __init__(self):
- gr.top_block.__init__(self)
-
- parser = OptionParser(option_class=eng_option)
- parser.add_option("-e", "--interface", type="string", default="eth0",
- help="select Ethernet interface, default is eth0")
- parser.add_option("-m", "--mac-addr", type="string", default="",
- help="select USRP by MAC address, default is auto-select")
- #parser.add_option("-A", "--antenna", default=None,
- # help="select Rx Antenna (only on RFX-series boards)")
- parser.add_option("-f", "--freq", type="eng_float", default=100.1,
- 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("-V", "--volume", type="eng_float", default=None,
- help="set volume (default is midpoint)")
- parser.add_option("-O", "--audio-output", type="string", default="",
- help="pcm device name. E.g., hw:0,0 or surround51 or /dev/dsp")
-
- (options, args) = parser.parse_args()
- if len(args) != 0:
- parser.print_help()
- sys.exit(1)
-
- self._volume = options.volume
- self._usrp_freq = options.freq
- self._usrp_gain = options.gain
- self._audio_rate = int(32e3)
-
- # build graph
-
- self.u = usrp2.source_32fc(options.interface, options.mac_addr)
-
- # calculate decimation values to get USRP BW at 320 kHz
- self.calculate_usrp_bw(320e3)
-
- self.set_decim(self._usrp_decim)
-
- #FIXME: need named constants and text descriptions available to (gr-)usrp2 even
- #when usrp(1) module is not built. A usrp_common module, perhaps?
- dbid = self.u.daughterboard_id()
- print "Using RX d'board 0x%04X" % (dbid,)
- #if not (dbid == 0x0001 or #usrp_dbid.BASIC_RX
- # dbid == 0x0003 or #usrp_dbid.TV_RX
- # dbid == 0x000c or #usrp_dbid.TV_RX_REV_2
- # dbid == 0x0040 or #usrp_dbid.TV_RX_REV_3
- # dbid == 0x0043 or #usrp_dbid.TV_RX_MIMO
- # dbid == 0x0044 or #usrp_dbid.TV_RX_REV_2_MIMO
- # dbid == 0x0045 ): #usrp_dbid.TV_RX_REV_3_MIMO
- # print "This daughterboard does not cover the required frequency range"
- # print "for this application. Please use a BasicRX or TVRX daughterboard."
- # raw_input("Press ENTER to continue anyway, or Ctrl-C to exit.")
-
- chan_filt_coeffs = optfir.low_pass (1, # gain
- self._usrp_rate, # sampling rate
- 80e3, # passband cutoff
- 115e3, # stopband cutoff
- 0.1, # passband ripple
- 60) # stopband attenuation
- #print len(chan_filt_coeffs)
- chan_filt = gr.fir_filter_ccf (self._chanfilt_decim, chan_filt_coeffs)
-
- self.guts = blks2.wfm_rcv (self._demod_rate, self._audio_decim)
-
- self.volume_control = gr.multiply_const_ff(1)
-
- # sound card as final sink
- #audio_sink = audio.sink (int (audio_rate),
- # options.audio_output,
- # False) # ok_to_block
- audio_sink = audio.sink (self._audio_rate,
- options.audio_output)
-
-
- if self._usrp_gain is None:
- # if no gain was specified, use the mid-point in dB
- g = self.u.gain_range()
- print "Gain range: ", g
- self._usrp_gain = float(g[0]+g[1])/2
-
- if self._volume is None:
- g = self.volume_range()
- self._volume = float(g[0]+g[1])/2
-
- if abs(self._usrp_freq) < 1e6:
- self._usrp_freq *= 1e6
-
- # set initial values
- self.set_gain(self._usrp_gain)
- self.set_volume(self._volume)
- if not(self.set_freq(self._usrp_freq)):
- print ("Failed to set initial frequency")
-
-
- # Define a GUI sink to display the received signal
- self.qapp = QtGui.QApplication(sys.argv)
- fftsize = 2048
-
- self.usrp_rx = qtgui.sink_c(fftsize, gr.firdes.WIN_BLACKMAN_hARRIS,
- -self._usrp_rate/2.0, self._usrp_rate/2.0,
- "Received Signal", True, True, False, True, False,
- use_openGL=False)
- self.usrp_rx2 = qtgui.sink_f(fftsize, gr.firdes.WIN_BLACKMAN_hARRIS,
- -self._usrp_rate/2.0, self._usrp_rate/2.0,
- "Received Signal", True, True, False, True, False)
-
- # now wire it all together
- self.connect (self.u, chan_filt, self.guts, self.volume_control, audio_sink)
- self.connect (self.u, self.usrp_rx)
- self.connect (self.volume_control, self.usrp_rx2)
-
- usrp_rx_widget = sip.wrapinstance(self.usrp_rx.pyqwidget(), QtGui.QWidget)
- usrp_rx2_widget = sip.wrapinstance(self.usrp_rx2.pyqwidget(), QtGui.QWidget)
-
- self.main_box = dialog_box(usrp_rx_widget, usrp_rx2_widget, self)
- self.main_box.show()
-
-
- def calculate_usrp_bw(self, bw):
- """
- Calculate the different decimation rates that make the USRP BW equal to the
- input bandwidth parameter 'bw' and the audio bandwidth equal to the system-
- wide bandwidth 'self._audio_rate'
- """
-
- adc_rate = self.u.adc_rate()
- d_usrp = int(adc_rate/bw)
- bw_real = adc_rate / float(d_usrp)
-
- d_chan = 1
- demod_rate = bw_real / d_chan
-
- d_audio = int(bw_real / self._audio_rate)
- audio_rate = demod_rate / d_audio
-
- self._usrp_decim = d_usrp
- self._chanfilt_decim = d_chan
- self._audio_decim = d_audio
- self._demod_rate = demod_rate
- self._usrp_rate = bw_real
-
- print "USRP Decimation: ", self._usrp_decim
- print "USRP Bandwidth: ", bw_real
- print "Audio Decimation: ", self._audio_decim
- print "Audio Bandwidth: ", audio_rate
-
- def set_volume (self, vol):
- g = self.volume_range()
- self._volume = max(g[0], min(g[1], vol))
- self.volume_control.set_k(10**(self._volume/10))
-
- def set_freq(self, target_freq):
- """
- Set the center frequency we're interested in.
-
- @param target_freq: frequency in Hz
- @rypte: bool
-
- Tuning is a two step process. First we ask the front-end to
- tune as close to the desired frequency as it can. Then we use
- the result of that operation and our target_frequency to
- determine the value for the digital down converter.
- """
- r = self.u.set_center_freq(target_freq)
- if r:
- self._usrp_freq = target_freq
- return True
- return False
-
- def set_usrp_bw(self, bw):
- self.calculate_usrp_bw(bw)
-
- def set_gain(self, gain):
- self._usrp_gain = gain
- self.u.set_gain(gain)
-
- def set_decim(self, decim):
- self._usrp_decim = int(decim)
- self.u.set_decim(self._usrp_decim)
-
- def volume(self):
- return self._volume
-
- def freq(self):
- return self._usrp_freq
-
- def usrp_bw(self):
- return self._usrp_rate
-
- def gain(self):
- return self._usrp_gain
-
- def decim(self):
- return self._usrp_decim
-
- def volume_range(self):
- return (-20.0, 0.0, 0.5)
-
-
-if __name__ == '__main__':
- tb = wfm_rx_block()
- tb.start()
- tb.qapp.exec_()
-
--
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