From ee09a80f9962e9c69101b714442104ae0e329459 Mon Sep 17 00:00:00 2001
From: Tom Rondeau <trondeau@vt.edu>
Date: Thu, 6 Oct 2011 20:02:56 -0400
Subject: digital: removed old digital and digital-bert scripts that will no
longer work. All of these have been replaced in gr-digital/examples.
---
.../python/digital-bert/benchmark_rx.py | 170 ---------------------
1 file changed, 170 deletions(-)
delete mode 100755 gnuradio-examples/python/digital-bert/benchmark_rx.py
(limited to 'gnuradio-examples/python/digital-bert/benchmark_rx.py')
diff --git a/gnuradio-examples/python/digital-bert/benchmark_rx.py b/gnuradio-examples/python/digital-bert/benchmark_rx.py
deleted file mode 100755
index 1e00dbd762..0000000000
--- a/gnuradio-examples/python/digital-bert/benchmark_rx.py
+++ /dev/null
@@ -1,170 +0,0 @@
-#!/usr/bin/env python
-#
-# Copyright 2008 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, usrp
-from optparse import OptionParser
-from gnuradio.eng_option import eng_option
-from receive_path import receive_path
-import gnuradio.gr.gr_threading as _threading
-import sys, time
-
-n2s = eng_notation.num_to_str
-
-class status_thread(_threading.Thread):
- def __init__(self, tb):
- _threading.Thread.__init__(self)
- self.setDaemon(1)
- self.tb = tb
- self.done = False
- self.start()
-
- def run(self):
- while not self.done:
- print "Freq. Offset: %5.0f Hz Timing Offset: %5.1f ppm Estimated SNR: %4.1f dB BER: %g" % (
- tb.frequency_offset(), tb.timing_offset()*1e6, tb.snr(), tb.ber())
- try:
- time.sleep(1.0)
- except KeyboardInterrupt:
- self.done = True
-
-class rx_bpsk_block(gr.top_block):
- def __init__(self, options):
-
- gr.top_block.__init__(self, "rx_mpsk")
-
- print "USRP decimation rate", options.decim_rate
-
- # Create a USRP source at desired board, sample rate, frequency, and gain
- self._setup_usrp(options.which,
- options.decim_rate,
- options.rx_subdev_spec,
- options.freq,
- options.gain)
-
- # Create the BERT receiver
- if_rate = self._usrp.adc_rate()/options.decim_rate
- self._receiver = receive_path(if_rate,
- options.rate,
- options.excess_bw,
- options.costas_alpha,
- options.costas_beta,
- options.costas_max,
- options.mm_gain_mu,
- options.mm_gain_omega,
- options.mm_omega_limit)
-
- self.connect(self._usrp, self._receiver)
-
-
- def _setup_usrp(self, which, decim, subdev_spec, freq, gain):
- self._usrp = usrp.source_c(which=which, decim_rate=decim)
- if subdev_spec is None:
- subdev_spec = usrp.pick_rx_subdevice(self._usrp)
- self._subdev = usrp.selected_subdev(self._usrp, subdev_spec)
- mux = usrp.determine_rx_mux_value(self._usrp, subdev_spec)
- self._usrp.set_mux(mux)
- tr = self._usrp.tune(0, self._subdev, freq)
- if not (tr):
- print "Failed to tune to center frequency!"
- else:
- print "Center frequency:", n2s(freq)
- if gain is None:
- g = self._subdev.gain_range();
- gain = float(g[0]+g[1])/2.0
- self._subdev.set_gain(gain)
- print "RX d'board:", self._subdev.side_and_name()
-
- def snr(self):
- return self._receiver.snr()
-
- def mag(self):
- return self._receiver.signal_mean()
-
- def var(self):
- return self._receiver.noise_variance()
-
- def ber(self):
- return self._receiver.ber()
-
- def frequency_offset(self):
- return self._receiver.frequency_offset()
-
- def timing_offset(self):
- return self._receiver.timing_offset()
-
-def get_options():
- 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("-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 Rx gain (default is mid-point)")
- parser.add_option("-r", "--rate", type="eng_float", default=250e3,
- help="Select modulation symbol rate (default=%default)")
- parser.add_option("-d", "--decim-rate", type="int", default=8,
- help="Select USRP decimation rate (default=%default)")
- parser.add_option("", "--excess-bw", type="eng_float", default=0.35,
- help="Select RRC excess bandwidth (default=%default)")
- parser.add_option("", "--costas-alpha", type="eng_float", default=0.05,
- help="set Costas loop 1st order gain, (default=%default)")
- parser.add_option("", "--costas-beta", type="eng_float", default=0.00025,
- help="set Costas loop 2nd order gain, (default=%default)")
- parser.add_option("", "--costas-max", type="eng_float", default=0.05,
- help="set Costas loop max freq (rad/sample) (default=%default)")
- parser.add_option("", "--mm-gain-mu", type="eng_float", default=0.001,
- help="set M&M loop 1st order gain, (default=%default)")
- parser.add_option("", "--mm-gain-omega", type="eng_float", default=0.000001,
- help="set M&M loop 2nd order gain, (default=%default)")
- parser.add_option("", "--mm-omega-limit", type="eng_float", default=0.0001,
- help="set M&M max timing error, (default=%default)")
-
-
- (options, args) = parser.parse_args()
- if len(args) != 0:
- parser.print_help()
- sys.exit(1)
-
- if options.freq == None:
- print "You must supply a frequency with -f or --freq"
- sys.exit(1)
-
- return (options, args)
-
-
-if __name__ == "__main__":
- (options, args) = get_options()
-
- tb = rx_bpsk_block(options)
-
- print "\n*** SNR estimator is inaccurate below about 7dB"
- print "*** BER estimator is inaccurate above about 10%\n"
- updater = status_thread(tb)
-
- try:
- tb.run()
- except KeyboardInterrupt:
- updater.done = True
- updater = None
--
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