From 46168fbd1e3dfb68cafe2b512641c67e2a6b5d80 Mon Sep 17 00:00:00 2001
From: Tom Rondeau <trondeau@vt.edu>
Date: Tue, 13 Sep 2011 12:28:57 -0400
Subject: digital: moved tx/rx_voice from gnuradio-examples into gr-digital.
Tested and working with new dbpsk,dqpsk,d8psk.
---
gnuradio-examples/python/digital/rx_voice.py | 135 ---------------------------
1 file changed, 135 deletions(-)
delete mode 100755 gnuradio-examples/python/digital/rx_voice.py
(limited to 'gnuradio-examples/python/digital/rx_voice.py')
diff --git a/gnuradio-examples/python/digital/rx_voice.py b/gnuradio-examples/python/digital/rx_voice.py
deleted file mode 100755
index 1aad1ff8e6..0000000000
--- a/gnuradio-examples/python/digital/rx_voice.py
+++ /dev/null
@@ -1,135 +0,0 @@
-#!/usr/bin/env python
-#
-# Copyright 2005,2006,2009 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, modulation_utils
-from gnuradio import usrp
-from gnuradio import audio
-from gnuradio import eng_notation
-from gnuradio.eng_option import eng_option
-from optparse import OptionParser
-
-from gnuradio.vocoder import gsm_full_rate
-
-import random
-import struct
-import sys
-
-# from current dir
-import usrp_receive_path
-
-#import os
-#print os.getpid()
-#raw_input('Attach and press enter')
-
-
-class audio_tx(gr.hier_block2):
- def __init__(self, audio_output_dev):
- gr.hier_block2.__init__(self, "audio_tx",
- gr.io_signature(0, 0, 0), # Input signature
- gr.io_signature(0, 0, 0)) # Output signature
-
- self.packet_src = gr.message_source(33)
- voice_decoder = gsm_full_rate.decode_ps()
- s2f = gr.short_to_float ()
- sink_scale = gr.multiply_const_ff(1.0/32767.)
- audio_sink = audio.sink(8000, audio_output_dev)
- self.connect(self.packet_src, voice_decoder, s2f, sink_scale, audio_sink)
-
- def msgq(self):
- return self.packet_src.msgq()
-
-
-class my_top_block(gr.top_block):
- def __init__(self, demod_class, rx_callback, options):
- gr.top_block.__init__(self)
- self.rxpath = usrp_receive_path.usrp_receive_path(demod_class, rx_callback, options)
- self.audio_tx = audio_tx(options.audio_output)
- self.connect(self.rxpath)
- self.connect(self.audio_tx)
-
-# /////////////////////////////////////////////////////////////////////////////
-# main
-# /////////////////////////////////////////////////////////////////////////////
-
-global n_rcvd, n_right
-
-def main():
- global n_rcvd, n_right
-
- n_rcvd = 0
- n_right = 0
-
- def rx_callback(ok, payload):
- global n_rcvd, n_right
- n_rcvd += 1
- if ok:
- n_right += 1
-
- tb.audio_tx.msgq().insert_tail(gr.message_from_string(payload))
-
- print "ok = %r n_rcvd = %4d n_right = %4d" % (
- ok, n_rcvd, n_right)
-
- demods = modulation_utils.type_1_demods()
-
- # Create Options Parser:
- parser = OptionParser (option_class=eng_option, conflict_handler="resolve")
- expert_grp = parser.add_option_group("Expert")
-
- parser.add_option("-m", "--modulation", type="choice", choices=demods.keys(),
- default='gmsk',
- help="Select modulation from: %s [default=%%default]"
- % (', '.join(demods.keys()),))
- parser.add_option("-O", "--audio-output", type="string", default="",
- help="pcm output device name. E.g., hw:0,0 or /dev/dsp")
- usrp_receive_path.add_options(parser, expert_grp)
-
- for mod in demods.values():
- mod.add_options(expert_grp)
-
- parser.set_defaults(bitrate=50e3) # override default bitrate default
- (options, args) = parser.parse_args ()
-
- if len(args) != 0:
- parser.print_help(sys.stderr)
- sys.exit(1)
-
- if options.rx_freq is None:
- sys.stderr.write("You must specify -f FREQ or --freq FREQ\n")
- parser.print_help(sys.stderr)
- sys.exit(1)
-
-
- # build the graph
- tb = my_top_block(demods[options.modulation], rx_callback, options)
-
- r = gr.enable_realtime_scheduling()
- if r != gr.RT_OK:
- print "Warning: Failed to enable realtime scheduling."
-
- tb.run()
-
-if __name__ == '__main__':
- try:
- main()
- except KeyboardInterrupt:
- pass
--
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