diff options
Diffstat (limited to 'gr-audio-portaudio/src/python/mono_tone_pa.py')
-rwxr-xr-x | gr-audio-portaudio/src/python/mono_tone_pa.py | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/gr-audio-portaudio/src/python/mono_tone_pa.py b/gr-audio-portaudio/src/python/mono_tone_pa.py new file mode 100755 index 000000000..7d863012a --- /dev/null +++ b/gr-audio-portaudio/src/python/mono_tone_pa.py @@ -0,0 +1,66 @@ +#!/usr/bin/env python +# +# Copyright 2004,2005,2007 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 audio_portaudio +from gnuradio.eng_option import eng_option +from optparse import OptionParser + +#import os +#print os.getpid() +#raw_input('Attach gdb and press Enter: ') + +class my_top_block(gr.top_block): + + def __init__(self): + gr.top_block.__init__(self) + + parser = OptionParser(option_class=eng_option) + parser.add_option("-O", "--audio-output", type="string", default="", + help="pcm output device name. E.g., hw:0,0 or /dev/dsp") + parser.add_option("-r", "--sample-rate", type="eng_float", default=48000, + help="set sample rate to RATE (48000)") + parser.add_option("-D", "--dont-block", action="store_false", default=True, + dest="ok_to_block") + + (options, args) = parser.parse_args () + if len(args) != 0: + parser.print_help() + raise SystemExit, 1 + + sample_rate = int(options.sample_rate) + ampl = 0.1 + + src0 = gr.sig_source_f (sample_rate, gr.GR_SIN_WAVE, 650, ampl) + + dst = audio_portaudio.sink (sample_rate, + options.audio_output, + options.ok_to_block) + + self.connect (src0, (dst, 0)) + + +if __name__ == '__main__': + try: + my_top_block().run() + except KeyboardInterrupt: + pass |