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| author | Johnathan Corgan <johnathan@corganlabs.com> | 2013-03-27 20:41:40 -0700 |
|---|---|---|
| committer | Johnathan Corgan <johnathan@corganlabs.com> | 2013-03-27 20:41:40 -0700 |
| commit | 2caaabf8e1dd771174fd42e51c8c8090864638e6 (patch) | |
| tree | e58fe2bc53120acfd11aa6687fe5fa0aaa58ca71 /gnuradio-runtime/examples/network/dial_tone_source.py | |
| parent | 40ab0030dbe821c9ed475a0b73898040f4af581c (diff) | |
| parent | d7cde125dc3661a62e1013a4a017f0f1efa46e6e (diff) | |
Merge branch 'runtime-3.7' into next
Diffstat (limited to 'gnuradio-runtime/examples/network/dial_tone_source.py')
| -rwxr-xr-x | gnuradio-runtime/examples/network/dial_tone_source.py | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/gnuradio-runtime/examples/network/dial_tone_source.py b/gnuradio-runtime/examples/network/dial_tone_source.py new file mode 100755 index 0000000000..44f05dc83c --- /dev/null +++ b/gnuradio-runtime/examples/network/dial_tone_source.py @@ -0,0 +1,82 @@ +#!/usr/bin/env python +# +# Copyright 2006,2007,2010 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 +from gnuradio import blocks +from gnuradio.eng_option import eng_option +from optparse import OptionParser +import sys + +try: + from gnuradio import analog +except ImportError: + sys.stderr.write("This example requires gr-analog.\n") + +try: + from gnuradio import blocks +except ImportError: + sys.stderr.write("This example requires gr-blocks.\n") + +class dial_tone_source(gr.top_block): + def __init__(self, host, port, pkt_size, sample_rate, eof): + gr.top_block.__init__(self, "dial_tone_source") + + amplitude = 0.3 + src0 = analog.sig_source_f(sample_rate, analog.GR_SIN_WAVE, 350, amplitude) + src1 = analog.sig_source_f(sample_rate, analog.GR_SIN_WAVE, 440, amplitude) + add = blocks.add_ff() + + # Throttle needed here to account for the other side's audio card sampling rate + thr = blocks.throttle(gr.sizeof_float, sample_rate) + sink = blocks.udp_sink(gr.sizeof_float, host, port, pkt_size, eof=eof) + self.connect(src0, (add, 0)) + self.connect(src1, (add, 1)) + self.connect(add, thr, sink) + +if __name__ == '__main__': + parser = OptionParser(option_class=eng_option) + parser.add_option("", "--host", type="string", default="localhost", + help="Remote host name (domain name or IP address") + parser.add_option("", "--port", type="int", default=65500, + help="port number to connect to") + parser.add_option("", "--packet-size", type="int", default=1472, + help="packet size.") + parser.add_option("-r", "--sample-rate", type="int", default=8000, + help="audio signal sample rate [default=%default]") + parser.add_option("", "--no-eof", action="store_true", default=False, + help="don't send EOF on disconnect") + (options, args) = parser.parse_args() + if len(args) != 0: + parser.print_help() + raise SystemExit, 1 + + # Create an instance of a hierarchical block + top_block = dial_tone_source(options.host, options.port, + options.packet_size, options.sample_rate, + not options.no_eof) + + try: + # Run forever + top_block.run() + except KeyboardInterrupt: + # Ctrl-C exits + pass |