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_wfm_rcv2_nogui.py | 157 --------------------------
1 file changed, 157 deletions(-)
delete mode 100755 gr-uhd/examples/python/usrp_wfm_rcv2_nogui.py
(limited to 'gr-uhd/examples/python/usrp_wfm_rcv2_nogui.py')
diff --git a/gr-uhd/examples/python/usrp_wfm_rcv2_nogui.py b/gr-uhd/examples/python/usrp_wfm_rcv2_nogui.py
deleted file mode 100755
index c5b42cbf08..0000000000
--- a/gr-uhd/examples/python/usrp_wfm_rcv2_nogui.py
+++ /dev/null
@@ -1,157 +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, audio, uhd
-from gnuradio import blocks
-from gnuradio import filter
-from gnuradio import analog
-from gnuradio.eng_option import eng_option
-from optparse import OptionParser
-import sys
-import math
-
-class wfm_rx_block (gr.top_block):
-
- def __init__(self):
- gr.top_block.__init__(self)
-
- 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="A:0 A:0",
- 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("", "--f1", type="eng_float", default=100.7e6,
- help="set 1st station frequency to FREQ", metavar="FREQ")
- parser.add_option("", "--f2", type="eng_float", default=102.5e6,
- help="set 2nd station freq 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("-O", "--audio-output", type="string", default="default",
- help="pcm device name. E.g., hw:0,0 or surround51 or /dev/dsp")
- parser.add_option("", "--freq-min", type="eng_float", default=87.9e6,
- help="Set a minimum frequency [default=%default]")
- parser.add_option("", "--freq-max", type="eng_float", default=108.1e6,
- help="Set a maximum frequency [default=%default]")
-
- (options, args) = parser.parse_args()
- if len(args) != 0:
- parser.print_help()
- sys.exit(1)
-
- if abs(options.f1 - options.f2) > 5.5e6:
- print "Sorry, two stations must be within 5.5MHz of each other"
- raise SystemExit
-
- f = (options.f1, options.f2)
-
- self.vol = .1
- self.state = "FREQ"
-
- self.fm_freq_min = options.freq_min
- self.fm_freq_max = options.freq_max
-
- # build graph
- stream_args = uhd.stream_args('fc32', channels=range(2))
- self.u = uhd.usrp_source(device_addr=options.args, stream_args=stream_args)
-
- # Set front end channel mapping
- self.u.set_subdev_spec(options.spec)
-
- usrp_rate = 320e3
- demod_rate = 320e3
- audio_rate = 32e3
- audio_decim = int(demod_rate / audio_rate)
-
- self.u.set_samp_rate(usrp_rate)
- dev_rate = self.u.get_samp_rate()
-
- # Make sure dboard can suppor the required frequencies
- frange = self.u.get_freq_range()
- if(frange.start() > self.fm_freq_max or frange.stop() < self.fm_freq_min):
- sys.stderr.write("Radio does not support required frequency range.\n")
- sys.exit(1)
-
- # sound card as final sink
- self.audio_sink = audio.sink(int(audio_rate), options.audio_output)
-
- # taps for channel filter
- nfilts = 32
- chan_coeffs = filter.optfir.low_pass(nfilts, # gain
- nfilts*usrp_rate, # sampling rate
- 80e3, # passband cutoff
- 115e3, # stopband cutoff
- 0.1, # passband ripple
- 60) # stopband attenuation
- rrate = usrp_rate / dev_rate
-
- # set front end PLL to middle frequency
- mid_freq = (f[0] + f[1]) / 2.0
-
- if options.gain is None:
- # if no gain was specified, use the mid-point in dB
- g = self.u.get_gain_range()
- options.gain = float(g.start()+g.stop())/2.0
-
- for n in range(2):
- chan_filt = filter.pfb.arb_resampler_ccf(rrate, chan_coeffs, nfilts)
- guts = analog.wfm_rcv(demod_rate, audio_decim)
- volume_control = blocks.multiply_const_ff(self.vol)
-
- #self.connect((self.di, n), chan_filt)
- self.connect((self.u, n), chan_filt)
- self.connect(chan_filt, guts, volume_control)
- self.connect(volume_control, (self.audio_sink, n))
-
- # Test the the requested frequencies are in range
- if(f[n] < self.fm_freq_min or f[n] > self.fm_freq_max):
- sys.stderr.write("Requested frequency is outside of required frequency range.\n")
- sys.exit(1)
-
- # Tune each channel by setting the RF freq to mid_freq and the
- # DDC freq to f[n].
- tr = uhd.tune_request(f[n], rf_freq=mid_freq,
- rf_freq_policy=uhd.tune_request.POLICY_MANUAL)
- self.u.set_center_freq(tr, n)
-
- # Set gain for each channel
- self.set_gain(options.gain, n)
-
- # Set the antenna
- if(options.antenna):
- self.u.set_antenna(options.antenna, n)
-
- def set_vol (self, vol):
- self.vol = vol
- self.volume_control.set_k(self.vol)
-
-
- def set_gain(self, gain, n):
- self.u.set_gain(gain, n)
-
-if __name__ == '__main__':
- tb = wfm_rx_block()
- try:
- tb.run()
- except KeyboardInterrupt:
- pass
--
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