From 6d9a16470bbb416d311a8830d7db42d6c69a39cf Mon Sep 17 00:00:00 2001
From: Johnathan Corgan <johnathan@corganlabs.com>
Date: Thu, 8 Sep 2016 13:15:11 -0700
Subject: wxgui: removed
---
gr-uhd/examples/python/usrp_am_mw_rcv.py | 316 -------------------------------
1 file changed, 316 deletions(-)
delete mode 100755 gr-uhd/examples/python/usrp_am_mw_rcv.py
(limited to 'gr-uhd/examples/python/usrp_am_mw_rcv.py')
diff --git a/gr-uhd/examples/python/usrp_am_mw_rcv.py b/gr-uhd/examples/python/usrp_am_mw_rcv.py
deleted file mode 100755
index eebbd7c041..0000000000
--- a/gr-uhd/examples/python/usrp_am_mw_rcv.py
+++ /dev/null
@@ -1,316 +0,0 @@
-#!/usr/bin/env python
-#
-# Copyright 2005-2007,2011,2012 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, eng_notation
-from gnuradio import blocks
-from gnuradio import filter
-from gnuradio import analog
-from gnuradio import audio
-from gnuradio import uhd
-from gnuradio.eng_option import eng_option
-from gnuradio.wxgui import slider, powermate
-from gnuradio.wxgui import stdgui2, fftsink2, form
-from optparse import OptionParser
-import sys
-import math
-import wx
-
-class wfm_rx_block (stdgui2.std_top_block):
- def __init__(self, frame, panel, vbox, argv):
- stdgui2.std_top_block.__init__ (self, frame, panel, vbox, argv)
-
- parser=OptionParser(option_class=eng_option)
- parser.add_option("-a", "--args", type="string", default="",
- help="UHD device address args [default=%default]")
- parser.add_option("", "--spec", type="string", default=None,
- help="Subdevice of UHD device where appropriate")
- parser.add_option("-A", "--antenna", type="string", default=None,
- help="select Rx Antenna where appropriate")
- parser.add_option("-s", "--samp-rate", type="eng_float", default=1e6,
- help="set sample rate (bandwidth) [default=%default]")
- parser.add_option("-f", "--freq", type="eng_float", default=1008.0e3,
- help="set frequency to FREQ", metavar="FREQ")
- parser.add_option("-I", "--use-if-freq", action="store_true", default=False,
- help="use intermediate freq (compensates DC problems in quadrature boards)" )
- parser.add_option("-g", "--gain", type="eng_float", default=None,
- help="set gain in dB (default is maximum)")
- 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="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.frame = frame
- self.panel = panel
- self.use_IF=options.use_if_freq
- if self.use_IF:
- self.IF_freq=64000.0
- else:
- self.IF_freq=0.0
-
- self.vol = 0
- self.state = "FREQ"
- self.freq = 0
-
- # build graph
- self.u = uhd.usrp_source(device_addr=options.args, stream_args=uhd.stream_args('fc32'))
-
- # Set the subdevice spec
- if(options.spec):
- self.u.set_subdev_spec(options.spec, 0)
-
- # Set the antenna
- if(options.antenna):
- self.u.set_antenna(options.antenna, 0)
-
- usrp_rate = 256e3
- demod_rate = 64e3
- audio_rate = 32e3
- chanfilt_decim = int(usrp_rate // demod_rate)
- audio_decim = int(demod_rate // audio_rate)
-
- self.u.set_samp_rate(usrp_rate)
- dev_rate = self.u.get_samp_rate()
-
- # Resample signal to exactly self.usrp_rate
- # FIXME: make one of the follow-on filters an arb resampler
- rrate = usrp_rate / dev_rate
- self.resamp = filter.pfb.arb_resampler_ccf(rrate)
-
- chan_filt_coeffs = filter.firdes.low_pass_2(1, # gain
- usrp_rate, # sampling rate
- 8e3, # passband cutoff
- 4e3, # transition bw
- 60) # stopband attenuation
-
- if self.use_IF:
- # Turn If to baseband and filter.
- self.chan_filt = filter.freq_xlating_fir_filter_ccf(chanfilt_decim,
- chan_filt_coeffs,
- self.IF_freq,
- usrp_rate)
- else:
- self.chan_filt = filter.fir_filter_ccf(chanfilt_decim, chan_filt_coeffs)
-
- self.agc = analog.agc_cc(0.1, 1, 1, 100000)
- self.am_demod = blocks.complex_to_mag()
- self.volume_control = blocks.multiply_const_ff(self.vol)
-
- audio_filt_coeffs = filter.firdes.low_pass_2(1, # gain
- demod_rate, # sampling rate
- 8e3, # passband cutoff
- 2e3, # transition bw
- 60) # stopband attenuation
- self.audio_filt = filter.fir_filter_fff(audio_decim, audio_filt_coeffs)
-
- # sound card as final sink
- self.audio_sink = audio.sink(int (audio_rate),
- options.audio_output,
- False) # ok_to_block
-
- # now wire it all together
- self.connect (self.u, self.resamp, self.chan_filt, self.agc,
- self.am_demod, self.audio_filt,
- self.volume_control, self.audio_sink)
-
- self._build_gui(vbox, usrp_rate, demod_rate, audio_rate)
-
- if options.gain is None:
- g = self.u.get_gain_range()
- # if no gain was specified, use the mid gain
- options.gain = (g.start() + g.stop())/2.0
-
- if options.volume is None:
- v = self.volume_range()
- options.volume = float(v[0]*3+v[1])/4.0
-
- if abs(options.freq) < 1e3:
- options.freq *= 1e3
-
- # set initial values
-
- self.set_gain(options.gain)
- self.set_vol(options.volume)
- if not(self.set_freq(options.freq)):
- self._set_status_msg("Failed to set initial frequency")
-
- def _set_status_msg(self, msg, which=0):
- self.frame.GetStatusBar().SetStatusText(msg, which)
-
-
- def _build_gui(self, vbox, usrp_rate, demod_rate, audio_rate):
-
- def _form_set_freq(kv):
- return self.set_freq(kv['freq'])
-
-
- if 0:
- self.src_fft = fftsink2.fft_sink_c(self.panel, title="Data from USRP",
- fft_size=512, sample_rate=usrp_rate,
- ref_scale=32768.0, ref_level=0.0, y_divs=12)
- self.connect (self.u, self.src_fft)
- vbox.Add (self.src_fft.win, 4, wx.EXPAND)
-
- if 0:
- self.post_filt_fft = fftsink2.fft_sink_c(self.panel, title="Post Channel filter",
- fft_size=512, sample_rate=demod_rate)
- self.connect (self.chan_filt, self.post_filt_fft)
- vbox.Add (self.post_filt_fft.win, 4, wx.EXPAND)
-
- if 0:
- post_demod_fft = fftsink2.fft_sink_f(self.panel, title="Post Demod",
- fft_size=1024, sample_rate=demod_rate,
- y_per_div=10, ref_level=0)
- self.connect (self.am_demod, post_demod_fft)
- vbox.Add (post_demod_fft.win, 4, wx.EXPAND)
-
- if 1:
- audio_fft = fftsink2.fft_sink_f(self.panel, title="Audio",
- fft_size=512, sample_rate=audio_rate,
- y_per_div=10, ref_level=20)
- self.connect (self.audio_filt, audio_fft)
- vbox.Add (audio_fft.win, 4, wx.EXPAND)
-
-
- # control area form at bottom
- self.myform = myform = form.form()
-
- hbox = wx.BoxSizer(wx.HORIZONTAL)
- hbox.Add((5,0), 0)
- myform['freq'] = form.float_field(
- parent=self.panel, sizer=hbox, label="Freq", weight=1,
- callback=myform.check_input_and_call(_form_set_freq, self._set_status_msg))
-
- hbox.Add((5,0), 0)
- myform['freq_slider'] = \
- form.quantized_slider_field(parent=self.panel, sizer=hbox, weight=3,
- range=(520.0e3, 1611.0e3, 1.0e3),
- callback=self.set_freq)
- hbox.Add((5,0), 0)
- vbox.Add(hbox, 0, wx.EXPAND)
-
- hbox = wx.BoxSizer(wx.HORIZONTAL)
- hbox.Add((5,0), 0)
-
- myform['volume'] = \
- form.quantized_slider_field(parent=self.panel, sizer=hbox, label="Volume",
- weight=3, range=self.volume_range(),
- callback=self.set_vol)
- hbox.Add((5,0), 1)
-
- g = self.u.get_gain_range()
- myform['gain'] = \
- form.quantized_slider_field(parent=self.panel, sizer=hbox, label="Gain",
- weight=3, range=(g.start(), g.stop(), g.step()),
- callback=self.set_gain)
- hbox.Add((5,0), 0)
- vbox.Add(hbox, 0, wx.EXPAND)
-
- try:
- self.knob = powermate.powermate(self.frame)
- self.rot = 0
- powermate.EVT_POWERMATE_ROTATE (self.frame, self.on_rotate)
- powermate.EVT_POWERMATE_BUTTON (self.frame, self.on_button)
- except:
- print "FYI: No Powermate or Contour Knob found"
-
-
- def on_rotate (self, event):
- self.rot += event.delta
- if (self.state == "FREQ"):
- if self.rot >= 3:
- self.set_freq(self.freq + .1e6)
- self.rot -= 3
- elif self.rot <=-3:
- self.set_freq(self.freq - .1e6)
- self.rot += 3
- else:
- step = self.volume_range()[2]
- if self.rot >= 3:
- self.set_vol(self.vol + step)
- self.rot -= 3
- elif self.rot <=-3:
- self.set_vol(self.vol - step)
- self.rot += 3
-
- def on_button (self, event):
- if event.value == 0: # button up
- return
- self.rot = 0
- if self.state == "FREQ":
- self.state = "VOL"
- else:
- self.state = "FREQ"
- self.update_status_bar ()
-
-
- def set_vol (self, vol):
- g = self.volume_range()
- self.vol = max(g[0], min(g[1], vol))
- self.volume_control.set_k(10**(self.vol/10))
- self.myform['volume'].set_value(self.vol)
- self.update_status_bar ()
-
- def set_freq(self, target_freq):
- """
- Set the center frequency we're interested in.
-
- Args:
- target_freq: frequency in Hz
- @rypte: bool
- """
- r = self.u.set_center_freq(target_freq + self.IF_freq, 0)
-
- if r:
- self.freq = target_freq
- self.myform['freq'].set_value(target_freq) # update displayed value
- self.myform['freq_slider'].set_value(target_freq) # update displayed value
- self.update_status_bar()
- self._set_status_msg("OK", 0)
- return True
-
- self._set_status_msg("Failed", 0)
- return False
-
- def set_gain(self, gain):
- self.myform['gain'].set_value(gain) # update displayed value
- self.u.set_gain(gain)
-
- def update_status_bar (self):
- msg = "Volume:%r Setting:%s" % (self.vol, self.state)
- self._set_status_msg(msg, 1)
- try:
- self.src_fft.set_baseband_freq(self.freq)
- except:
- None
-
- def volume_range(self):
- return (-40.0, 0.0, 0.5)
-
-
-if __name__ == '__main__':
- app = stdgui2.stdapp (wfm_rx_block, "USRP Broadcast AM MW RX")
- app.MainLoop ()
--
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