diff options
Diffstat (limited to 'gnuradio-examples/python')
22 files changed, 162 insertions, 1056 deletions
diff --git a/gnuradio-examples/python/Makefile.am b/gnuradio-examples/python/Makefile.am index ea03b438f..eba4c14ab 100644 --- a/gnuradio-examples/python/Makefile.am +++ b/gnuradio-examples/python/Makefile.am @@ -1,5 +1,5 @@ # -# Copyright 2004,2007,2009 Free Software Foundation, Inc. +# Copyright 2004,2007,2009,2011 Free Software Foundation, Inc. # # This file is part of GNU Radio # @@ -23,10 +23,8 @@ include $(top_srcdir)/Makefile.common SUBDIRS = \ apps \ - audio \ digital \ digital-bert \ - digital_voice \ mp-sched \ multi-antenna \ multi_usrp \ diff --git a/gnuradio-examples/python/audio/.gitignore b/gnuradio-examples/python/audio/.gitignore deleted file mode 100644 index c400497f5..000000000 --- a/gnuradio-examples/python/audio/.gitignore +++ /dev/null @@ -1,10 +0,0 @@ -/Makefile -/Makefile.in -/.la -/.lo -/.deps -/.libs -/*.la -/*.lo -/*.pyc -/*.pyo diff --git a/gnuradio-examples/python/audio/Makefile.am b/gnuradio-examples/python/audio/Makefile.am deleted file mode 100644 index 356b51559..000000000 --- a/gnuradio-examples/python/audio/Makefile.am +++ /dev/null @@ -1,38 +0,0 @@ -# -# Copyright 2004,2009 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. -# - -include $(top_srcdir)/Makefile.common - -ourdatadir = $(exampledir)/audio - -dist_ourdata_SCRIPTS = \ - audio_copy.py \ - audio_fft.py \ - audio_play.py \ - audio_to_file.py \ - dial_tone.py \ - dial_tone_daemon.py \ - dial_tone_wav.py \ - mono_tone.py \ - multi_tone.py \ - noise.py \ - spectrum_inversion.py \ - test_resampler.py diff --git a/gnuradio-examples/python/audio/audio_copy.py b/gnuradio-examples/python/audio/audio_copy.py deleted file mode 100755 index 3094c9f7a..000000000 --- a/gnuradio-examples/python/audio/audio_copy.py +++ /dev/null @@ -1,64 +0,0 @@ -#!/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 -from gnuradio.eng_option import eng_option -from optparse import OptionParser - -class my_top_block(gr.top_block): - - def __init__(self): - gr.top_block.__init__(self) - - parser = OptionParser(option_class=eng_option) - parser.add_option("-I", "--audio-input", type="string", default="", - help="pcm input device name. E.g., hw:0,0 or /dev/dsp") - 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)") - (options, args) = parser.parse_args () - if len(args) != 0: - parser.print_help() - raise SystemExit, 1 - - sample_rate = int(options.sample_rate) - src = audio.source (sample_rate, options.audio_input) - dst = audio.sink (sample_rate, options.audio_output) - - # Determine the maximum number of outputs on the source and - # maximum number of inputs on the sink, then connect together - # the most channels we can without overlap - nchan = min (src.output_signature().max_streams(), - dst.input_signature().max_streams()) - - for i in range (nchan): - self.connect ((src, i), (dst, i)) - - -if __name__ == '__main__': - try: - my_top_block().run() - except KeyboardInterrupt: - pass - diff --git a/gnuradio-examples/python/audio/audio_fft.py b/gnuradio-examples/python/audio/audio_fft.py deleted file mode 100755 index 960e0f94d..000000000 --- a/gnuradio-examples/python/audio/audio_fft.py +++ /dev/null @@ -1,138 +0,0 @@ -#!/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, gru, audio -from gnuradio import eng_notation -from gnuradio.eng_option import eng_option -from gnuradio.wxgui import stdgui2, fftsink2, waterfallsink2, scopesink2, form, slider -from optparse import OptionParser -import wx -import sys - -class app_top_block(stdgui2.std_top_block): - def __init__(self, frame, panel, vbox, argv): - stdgui2.std_top_block.__init__(self, frame, panel, vbox, argv) - - self.frame = frame - self.panel = panel - - parser = OptionParser(option_class=eng_option) - parser.add_option("-W", "--waterfall", action="store_true", default=False, - help="Enable waterfall display") - parser.add_option("-S", "--oscilloscope", action="store_true", default=False, - help="Enable oscilloscope display") - parser.add_option("-I", "--audio-input", type="string", default="", - help="pcm input 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)") - - (options, args) = parser.parse_args() - sample_rate = int(options.sample_rate) - - if len(args) != 0: - parser.print_help() - sys.exit(1) - - self.show_debug_info = True - - # build the graph - if options.waterfall: - self.scope = \ - waterfallsink2.waterfall_sink_f (panel, fft_size=1024, sample_rate=sample_rate) - elif options.oscilloscope: - self.scope = scopesink2.scope_sink_f(panel, sample_rate=sample_rate) - else: - self.scope = fftsink2.fft_sink_f (panel, fft_size=1024, sample_rate=sample_rate, fft_rate=30, - ref_scale=1.0, ref_level=0, y_divs=12) - - self.src = audio.source (sample_rate, options.audio_input) - - self.connect(self.src, self.scope) - - self._build_gui(vbox) - - # set initial values - - def _set_status_msg(self, msg): - self.frame.GetStatusBar().SetStatusText(msg, 0) - - def _build_gui(self, vbox): - - def _form_set_freq(kv): - return self.set_freq(kv['freq']) - - vbox.Add(self.scope.win, 10, wx.EXPAND) - - #self._build_subpanel(vbox) - - def _build_subpanel(self, vbox_arg): - # build a secondary information panel (sometimes hidden) - - # FIXME figure out how to have this be a subpanel that is always - # created, but has its visibility controlled by foo.Show(True/False) - - def _form_set_decim(kv): - return self.set_decim(kv['decim']) - - if not(self.show_debug_info): - return - - panel = self.panel - vbox = vbox_arg - myform = self.myform - - #panel = wx.Panel(self.panel, -1) - #vbox = wx.BoxSizer(wx.VERTICAL) - - hbox = wx.BoxSizer(wx.HORIZONTAL) - hbox.Add((5,0), 0) - - myform['decim'] = form.int_field( - parent=panel, sizer=hbox, label="Decim", - callback=myform.check_input_and_call(_form_set_decim, self._set_status_msg)) - - hbox.Add((5,0), 1) - myform['fs@usb'] = form.static_float_field( - parent=panel, sizer=hbox, label="Fs@USB") - - hbox.Add((5,0), 1) - myform['dbname'] = form.static_text_field( - parent=panel, sizer=hbox) - - hbox.Add((5,0), 1) - myform['baseband'] = form.static_float_field( - parent=panel, sizer=hbox, label="Analog BB") - - hbox.Add((5,0), 1) - myform['ddc'] = form.static_float_field( - parent=panel, sizer=hbox, label="DDC") - - hbox.Add((5,0), 0) - vbox.Add(hbox, 0, wx.EXPAND) - - -def main (): - app = stdgui2.stdapp(app_top_block, "Audio FFT", nstatus=1) - app.MainLoop() - -if __name__ == '__main__': - main () diff --git a/gnuradio-examples/python/audio/audio_play.py b/gnuradio-examples/python/audio/audio_play.py deleted file mode 100755 index f9520c7cf..000000000 --- a/gnuradio-examples/python/audio/audio_play.py +++ /dev/null @@ -1,57 +0,0 @@ -#!/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 -from gnuradio.eng_option import eng_option -from optparse import OptionParser - - -class my_top_block(gr.top_block): - - def __init__(self): - gr.top_block.__init__(self) - - parser = OptionParser(option_class=eng_option) - parser.add_option("-F", "--filename", type="string", default="audio.dat", - help="read input from FILE") - parser.add_option("-r", "--sample-rate", type="eng_float", default=48000, - help="set sample rate to RATE (48000)") - parser.add_option("-R", "--repeat", action="store_true", default=False) - parser.add_option("-O", "--audio-output", type="string", default="", - help="pcm output device name. E.g., hw:0,0 or /dev/dsp") - (options, args) = parser.parse_args() - if len(args) != 0: - parser.print_help() - raise SystemExit, 1 - - sample_rate = int(options.sample_rate) - src = gr.file_source (gr.sizeof_float, options.filename, options.repeat) - dst = audio.sink (sample_rate, options.audio_output) - self.connect(src, dst) - - -if __name__ == '__main__': - try: - my_top_block().run() - except KeyboardInterrupt: - pass diff --git a/gnuradio-examples/python/audio/audio_to_file.py b/gnuradio-examples/python/audio/audio_to_file.py deleted file mode 100755 index 0d54f7bd2..000000000 --- a/gnuradio-examples/python/audio/audio_to_file.py +++ /dev/null @@ -1,63 +0,0 @@ -#!/usr/bin/env python -# -# Copyright 2004,2007 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 -from gnuradio.eng_option import eng_option -from optparse import OptionParser - -class my_top_block(gr.top_block): - - def __init__(self): - gr.top_block.__init__(self) - - usage="%prog: [options] output_filename" - parser = OptionParser(option_class=eng_option, usage=usage) - parser.add_option("-I", "--audio-input", type="string", default="", - help="pcm input 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("-N", "--nsamples", type="eng_float", default=None, - help="number of samples to collect [default=+inf]") - - (options, args) = parser.parse_args () - if len(args) != 1: - parser.print_help() - raise SystemExit, 1 - filename = args[0] - - sample_rate = int(options.sample_rate) - src = audio.source (sample_rate, options.audio_input) - dst = gr.file_sink (gr.sizeof_float, filename) - - if options.nsamples is None: - self.connect((src, 0), dst) - else: - head = gr.head(gr.sizeof_float, int(options.nsamples)) - self.connect((src, 0), head, dst) - - -if __name__ == '__main__': - try: - my_top_block().run() - except KeyboardInterrupt: - pass diff --git a/gnuradio-examples/python/audio/dial_tone.py b/gnuradio-examples/python/audio/dial_tone.py deleted file mode 100755 index 65c5e50b2..000000000 --- a/gnuradio-examples/python/audio/dial_tone.py +++ /dev/null @@ -1,57 +0,0 @@ -#!/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 -from gnuradio.eng_option import eng_option -from optparse import OptionParser - -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)") - (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, 350, ampl) - src1 = gr.sig_source_f (sample_rate, gr.GR_SIN_WAVE, 440, ampl) - dst = audio.sink (sample_rate, options.audio_output) - self.connect (src0, (dst, 0)) - self.connect (src1, (dst, 1)) - - -if __name__ == '__main__': - try: - my_top_block().run() - except KeyboardInterrupt: - pass diff --git a/gnuradio-examples/python/audio/dial_tone_daemon.py b/gnuradio-examples/python/audio/dial_tone_daemon.py deleted file mode 100755 index d30d0e117..000000000 --- a/gnuradio-examples/python/audio/dial_tone_daemon.py +++ /dev/null @@ -1,57 +0,0 @@ -#!/usr/bin/env python -# -# Copyright 2004,2005,2007,2008 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, gru -from gnuradio import audio -from gnuradio.eng_option import eng_option -from optparse import OptionParser -import os - -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)") - (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, 350, ampl) - src1 = gr.sig_source_f (sample_rate, gr.GR_SIN_WAVE, 440, ampl) - dst = audio.sink (sample_rate, options.audio_output) - self.connect (src0, (dst, 0)) - self.connect (src1, (dst, 1)) - - -if __name__ == '__main__': - pid = gru.daemonize() - print "To stop this program, enter 'kill %d'" % pid - my_top_block().run() diff --git a/gnuradio-examples/python/audio/dial_tone_wav.py b/gnuradio-examples/python/audio/dial_tone_wav.py deleted file mode 100755 index 6e87b2a48..000000000 --- a/gnuradio-examples/python/audio/dial_tone_wav.py +++ /dev/null @@ -1,61 +0,0 @@ -#!/usr/bin/env python -# -# Copyright 2004,2005,2007,2008 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. -# - -# GNU Radio example program to record a dial tone to a WAV file - -from gnuradio import gr -from gnuradio.eng_option import eng_option -from optparse import OptionParser - -class my_top_block(gr.top_block): - - def __init__(self): - gr.top_block.__init__(self) - - usage = "%prog: [options] filename" - parser = OptionParser(option_class=eng_option, usage=usage) - parser.add_option("-r", "--sample-rate", type="eng_float", default=48000, - help="set sample rate to RATE (48000)") - parser.add_option("-N", "--samples", type="eng_float", default=None, - help="number of samples to record") - (options, args) = parser.parse_args () - if len(args) != 1 or options.samples is None: - 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, 350, ampl) - src1 = gr.sig_source_f (sample_rate, gr.GR_SIN_WAVE, 440, ampl) - head0 = gr.head(gr.sizeof_float, int(options.samples)) - head1 = gr.head(gr.sizeof_float, int(options.samples)) - dst = gr.wavfile_sink(args[0], 2, int(options.sample_rate), 16) - - self.connect(src0, head0, (dst, 0)) - self.connect(src1, head1, (dst, 1)) - -if __name__ == '__main__': - try: - my_top_block().run() - except KeyboardInterrupt: - pass diff --git a/gnuradio-examples/python/audio/mono_tone.py b/gnuradio-examples/python/audio/mono_tone.py deleted file mode 100755 index 869c2e5ff..000000000 --- a/gnuradio-examples/python/audio/mono_tone.py +++ /dev/null @@ -1,66 +0,0 @@ -#!/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 -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.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 diff --git a/gnuradio-examples/python/audio/multi_tone.py b/gnuradio-examples/python/audio/multi_tone.py deleted file mode 100755 index 7d47dd5d5..000000000 --- a/gnuradio-examples/python/audio/multi_tone.py +++ /dev/null @@ -1,90 +0,0 @@ -#!/usr/bin/env python -# -# Copyright 2004,2006,2007 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 -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 ("-m", "--max-channels", type="int", default="16", - help="set maximum channels to use") - 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) - limit_channels = options.max_channels - - ampl = 0.1 - - # With a tip of the hat to Harry Partch, may he R.I.P. - # See "Genesis of a Music". He was into some very wild tunings... - base = 392 - ratios = { 1 : 1.0, - 3 : 3.0/2, - 5 : 5.0/4, - 7 : 7.0/4, - 9 : 9.0/8, - 11 : 11.0/8 } - - # progression = (1, 5, 3, 7) - # progression = (1, 9, 3, 7) - # progression = (3, 7, 9, 11) - # progression = (7, 11, 1, 5) - progression = (7, 11, 1, 5, 9) - - dst = audio.sink (sample_rate, - options.audio_output, - options.ok_to_block) - - max_chan = dst.input_signature().max_streams() - if (max_chan == -1) or (max_chan > limit_channels): - max_chan = limit_channels - - for i in range (max_chan): - quo, rem = divmod (i, len (progression)) - freq = base * ratios[progression[rem]] * (quo + 1) - src = gr.sig_source_f (sample_rate, gr.GR_SIN_WAVE, freq, ampl) - self.connect (src, (dst, i)) - -if __name__ == '__main__': - try: - my_top_block().run() - except KeyboardInterrupt: - pass diff --git a/gnuradio-examples/python/audio/noise.py b/gnuradio-examples/python/audio/noise.py deleted file mode 100755 index 75f741082..000000000 --- a/gnuradio-examples/python/audio/noise.py +++ /dev/null @@ -1,55 +0,0 @@ -#!/usr/bin/env python -# -# Copyright 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 -from gnuradio.eng_option import eng_option -from optparse import OptionParser - -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)") - (options, args) = parser.parse_args () - if len(args) != 0: - parser.print_help() - raise SystemExit, 1 - - sample_rate = int(options.sample_rate) - ampl = 0.1 - - src = gr.glfsr_source_b(32) # Pseudorandom noise source - b2f = gr.chunks_to_symbols_bf([ampl, -ampl], 1) - dst = audio.sink(sample_rate, options.audio_output) - self.connect(src, b2f, dst) - -if __name__ == '__main__': - try: - my_top_block().run() - except KeyboardInterrupt: - pass diff --git a/gnuradio-examples/python/audio/spectrum_inversion.py b/gnuradio-examples/python/audio/spectrum_inversion.py deleted file mode 100755 index 021e23f2d..000000000 --- a/gnuradio-examples/python/audio/spectrum_inversion.py +++ /dev/null @@ -1,68 +0,0 @@ -#!/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. - -# -# Gang - Here's a simple script that demonstrates spectrum inversion -# using the multiply by [1,-1] method (mixing with Nyquist frequency). -# Requires nothing but a sound card, and sounds just like listening -# to a SSB signal on the wrong sideband. -# - -from gnuradio import gr -from gnuradio import audio -from gnuradio.eng_option import eng_option -from optparse import OptionParser - -class my_top_block(gr.top_block): - - def __init__(self): - gr.top_block.__init__(self) - - parser = OptionParser(option_class=eng_option) - parser.add_option("-I", "--audio-input", type="string", default="", - help="pcm input device name. E.g., hw:0,0 or /dev/dsp") - 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=8000, - help="set sample rate to RATE (8000)") - (options, args) = parser.parse_args () - if len(args) != 0: - parser.print_help() - raise SystemExit, 1 - - sample_rate = int(options.sample_rate) - src = audio.source (sample_rate, options.audio_input) - dst = audio.sink (sample_rate, options.audio_output) - - vec1 = [1, -1] - vsource = gr.vector_source_f(vec1, True) - multiply = gr.multiply_ff() - - self.connect(src, (multiply, 0)) - self.connect(vsource, (multiply, 1)) - self.connect(multiply, dst) - - -if __name__ == '__main__': - try: - my_top_block().run() - except KeyboardInterrupt: - pass diff --git a/gnuradio-examples/python/audio/test_resampler.py b/gnuradio-examples/python/audio/test_resampler.py deleted file mode 100755 index 4644c5e2f..000000000 --- a/gnuradio-examples/python/audio/test_resampler.py +++ /dev/null @@ -1,66 +0,0 @@ -#!/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, gru, blks2 -from gnuradio import audio -from gnuradio.eng_option import eng_option -from optparse import OptionParser - - -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("-i", "--input-rate", type="eng_float", default=8000, - help="set input sample rate to RATE (%default)") - parser.add_option("-o", "--output-rate", type="eng_float", default=48000, - help="set output sample rate to RATE (%default)") - (options, args) = parser.parse_args () - if len(args) != 0: - parser.print_help() - raise SystemExit, 1 - - input_rate = int(options.input_rate) - output_rate = int(options.output_rate) - - interp = gru.lcm(input_rate, output_rate) / input_rate - decim = gru.lcm(input_rate, output_rate) / output_rate - - print "interp =", interp - print "decim =", decim - - ampl = 0.1 - src0 = gr.sig_source_f (input_rate, gr.GR_SIN_WAVE, 650, ampl) - rr = blks2.rational_resampler_fff(interp, decim) - dst = audio.sink (output_rate, options.audio_output) - self.connect (src0, rr, (dst, 0)) - - -if __name__ == '__main__': - try: - my_top_block().run() - except KeyboardInterrupt: - pass diff --git a/gnuradio-examples/python/digital/benchmark_qt_loopback2.py b/gnuradio-examples/python/digital/benchmark_qt_loopback2.py index 02ae4b25f..a36f4fbd4 100755 --- a/gnuradio-examples/python/digital/benchmark_qt_loopback2.py +++ b/gnuradio-examples/python/digital/benchmark_qt_loopback2.py @@ -20,11 +20,11 @@ # Boston, MA 02110-1301, USA. # -from gnuradio import gr, gru, modulation_utils2 +from gnuradio import gr, modulation_utils2 from gnuradio import eng_notation from gnuradio.eng_option import eng_option from optparse import OptionParser -import random, time, struct, sys, os, math +import struct, sys, math from threading import Thread @@ -319,6 +319,13 @@ class my_top_block(gr.top_block): # Connect components self.connect(self.txpath, self.throttle, self.rxpath) + if options.verbose: + self._print_verbage() + + if options.log: + self._setup_logging() + + # System Parameters @@ -396,6 +403,15 @@ class my_top_block(gr.top_block): self.rxpath.packet_receiver._demodulator.freq_recov.set_beta(self._gain_freq/10.0) #self.rxpath.packet_receiver._demodulator.freq_recov.set_beta(self._gain_fre_beta) + def _print_verbage(self): + print "\nChannel:" + print "SNR: %d" % self.snr() + print "Noise voltage: %.2e" % self.get_noise_voltage(self.snr()) + print "Frequency offset: %.2e" % self.frequency_offset() + print "Timing offset: %.2e" % self.timing_offset() + + def _setup_logging(self): + pass # ///////////////////////////////////////////////////////////////////////////// # Thread to handle the packet sending procedure @@ -466,7 +482,7 @@ def main(): channel_grp = parser.add_option_group("Channel") parser.add_option("-m", "--modulation", type="choice", choices=mods.keys(), - default='dbpsk2', + default='psk', help="Select modulation from: %s [default=%%default]" % (', '.join(mods.keys()),)) @@ -512,6 +528,7 @@ def main(): tb = my_top_block(mods[options.modulation], demods[options.modulation], rx_callback, options) + tb.start() packet_sender = th_send(send_pkt, options.megabytes, options.size) @@ -527,7 +544,7 @@ def main(): packet_sender.join(1) except KeyboardInterrupt: packet_sender.stop() - + if __name__ == '__main__': try: diff --git a/gnuradio-examples/python/digital/simple.py b/gnuradio-examples/python/digital/simple.py new file mode 100644 index 000000000..6d340db36 --- /dev/null +++ b/gnuradio-examples/python/digital/simple.py @@ -0,0 +1,64 @@ + +from gnuradio import gr, blks2, packet_utils + +# Some constants +TX_AMPLITUDE = 0.25 +SAMPLE_RATE = 1e5 +# NOISE_VOLTAGE = 0.01 +NOISE_VOLTAGE = 0.01 +# FREQUENCY_OFFSET = 0 +FREQUENCY_OFFSET = 0.01 +TIMING_OFFSET = 1.0 +SAMPLES_PER_SYMBOL = 2 +GAIN = 1.0 +SW_DECIM = 1 +BAND_MIDPOINT = 1.0 +BAND_WIDTH = 0.5 + +# Modulation/Demodulation methods +modulator = blks2.dbpsk2_mod() +demodulator = blks2.dbpsk2_demod() + +#Transmission Blocks +packet_transmitter = blks2.mod_pkts(modulator, access_code=None, msgq_limit=4, + pad_for_usrp=True) +amp = gr.multiply_const_cc(TX_AMPLITUDE) +throttle = gr.throttle(gr.sizeof_gr_complex, SAMPLE_RATE) +# Channel +channel = gr.channel_model(NOISE_VOLTAGE, FREQUENCY_OFFSET, TIMING_OFFSET) +# Receiver Blocks +chan_coeffs = gr.firdes.low_pass(GAIN, SW_DECIM * SAMPLES_PER_SYMBOL, + BAND_MIDPOINT, BAND_WIDTH, gr.firdes.WIN_HANN) +channel_filter = gr.fft_filter_ccc(SW_DECIM, chan_coeffs) +packet_receiver = blks2.demod_pkts(demodulator, access_code=None, callback=None, + threshold=-1) +# Put it all together and start it up (although nothing will be done +# until we send some packets). +tb = gr.top_block() +tb.connect(packet_transmitter, amp, throttle, channel, channel_filter, + packet_receiver) +tb.start() + +# The queue into which recieved packets are placed +pkq = packet_receiver._rcvd_pktq + +# The function to create a packet and place it in a queue to be sent. +sender = packet_transmitter.send_pkt + +# Some some packets (The second will not be recieved because it gets cut off +# before it can finish. I think this occurs during modulation.) +sender('hello there I wonder how long this needs to be before I start to see any errors.') +sender('world') +sender(eof=True) + +# Wait for all the packets to get sent and received. +tb.wait() + +# Check how many messages have been received and print them. +cnt = pkq.count() +print('There are %s messages' % cnt) +for a in range(0, cnt): + msg = pkq.delete_head() + ok, payload = packet_utils.unmake_packet(msg.to_string(), int(msg.arg1())) + print("Message %s is %s" % (a, payload)) + diff --git a/gnuradio-examples/python/digital/simple_qam.py b/gnuradio-examples/python/digital/simple_qam.py new file mode 100644 index 000000000..947d7faad --- /dev/null +++ b/gnuradio-examples/python/digital/simple_qam.py @@ -0,0 +1,76 @@ + +from gnuradio import gr, blks2, packet_utils + +# Some constants +NOISE_VOLTAGE = 0.1 +FREQUENCY_OFFSET = 0.0000 +TIMING_OFFSET = 1.0 +SAMPLES_PER_SYMBOL = 2 +GAIN = 1.0 +SW_DECIM = 1 +BAND_MIDPOINT = 1.0 +BAND_WIDTH = 0.5 +FREQ_ALPHA = 0.005 +EXCESS_BW = 0.35 + +# Modulation/Demodulation methods +modulator = blks2.qam_mod(16, SAMPLES_PER_SYMBOL) +demodulator = blks2.qam_demod(16, SAMPLES_PER_SYMBOL, freq_alpha=FREQ_ALPHA) + +#Transmission Blocks +packet_transmitter = blks2.mod_pkts(modulator, access_code=None, msgq_limit=4, + pad_for_usrp=True) +# Channel +channel = gr.channel_model(NOISE_VOLTAGE, FREQUENCY_OFFSET, TIMING_OFFSET) +# Receiver Blocks +chan_coeffs = gr.firdes.low_pass(GAIN, SW_DECIM * SAMPLES_PER_SYMBOL, + BAND_MIDPOINT, BAND_WIDTH, gr.firdes.WIN_HANN) +channel_filter = gr.fft_filter_ccc(SW_DECIM, chan_coeffs) +packet_receiver = blks2.demod_pkts(demodulator, access_code=None, callback=None, + threshold=-1) +# Put it all together and start it up (although nothing will be done +# until we send some packets). +tb = gr.top_block() +tb.connect(packet_transmitter, channel, channel_filter, + packet_receiver) +tb.start() + +# The queue into which recieved packets are placed +pkq = packet_receiver._rcvd_pktq + +# The function to create a packet and place it in a queue to be sent. +sender = packet_transmitter.send_pkt + +# Some some packets (The second will not be recieved because it gets cut off +# before it can finish. I think this occurs during modulation.) + +# Send some large messages to start off with to let things lock. +for i in range(0, int(20.0/SAMPLES_PER_SYMBOL)): + sender('a'*4000) + +sender('hello1') +sender('hello2') +sender('hello3') +sender('hello4') +sender('hello5') +sender('hello6') +sender('hello7') +sender('hello8') +sender('hello9') +sender('hello10') +sender('hello11') +sender('hello12') +sender('world') +sender(eof=True) + +# Wait for all the packets to get sent and received. +tb.wait() + +# Check how many messages have been received and print them. +cnt = pkq.count() +print('There are %s messages' % cnt) +for a in range(0, cnt): + msg = pkq.delete_head() + ok, payload = packet_utils.unmake_packet(msg.to_string(), int(msg.arg1())) + print("Message %s is %s" % (a, payload)) + diff --git a/gnuradio-examples/python/digital_voice/.gitignore b/gnuradio-examples/python/digital_voice/.gitignore deleted file mode 100644 index c400497f5..000000000 --- a/gnuradio-examples/python/digital_voice/.gitignore +++ /dev/null @@ -1,10 +0,0 @@ -/Makefile -/Makefile.in -/.la -/.lo -/.deps -/.libs -/*.la -/*.lo -/*.pyc -/*.pyo diff --git a/gnuradio-examples/python/digital_voice/Makefile.am b/gnuradio-examples/python/digital_voice/Makefile.am deleted file mode 100644 index 60f363b90..000000000 --- a/gnuradio-examples/python/digital_voice/Makefile.am +++ /dev/null @@ -1,28 +0,0 @@ -# -# Copyright 2004,2005,2009 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. -# - -include $(top_srcdir)/Makefile.common - -ourdatadir = $(exampledir)/digital_voice - -dist_ourdata_SCRIPTS = \ - encdec.py \ - cvsd_test.py diff --git a/gnuradio-examples/python/digital_voice/cvsd_test.py b/gnuradio-examples/python/digital_voice/cvsd_test.py deleted file mode 100755 index f8f1b9cce..000000000 --- a/gnuradio-examples/python/digital_voice/cvsd_test.py +++ /dev/null @@ -1,63 +0,0 @@ -#!/usr/bin/env python -# -# Copyright 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, blks2 -from gnuradio import audio -from gnuradio.eng_option import eng_option -from optparse import OptionParser - -def main(): - parser = OptionParser(option_class=eng_option) - parser.add_option("-I", "--audio-input", type="string", default="", - help="pcm input device name. E.g., hw:0,0 or /dev/dsp") - 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="32000", - help="Audio sampling rate [defaul=%default]") - parser.add_option("-S", "--resample-rate", type="int", default="8", - help="Resampling rate in CVSD [default=%default]") - (options, args) = parser.parse_args () - - if len(args) != 0: - parser.print_help() - raise SystemExit, 1 - - tb = gr.top_block() - - src = audio.source(int(options.sample_rate), options.audio_input) - tx = blks2.cvsd_encode(options.resample_rate) - - # todo: add noise - - rx = blks2.cvsd_decode(options.resample_rate) - dst = audio.sink(int(options.sample_rate), options.audio_output) - - tb.connect(src, tx, rx, dst) - tb.run() - -if __name__ == '__main__': - print "Enter CTRL-C to exit" - try: - main() - except KeyboardInterrupt: - pass - diff --git a/gnuradio-examples/python/digital_voice/encdec.py b/gnuradio-examples/python/digital_voice/encdec.py deleted file mode 100755 index e87d57e2b..000000000 --- a/gnuradio-examples/python/digital_voice/encdec.py +++ /dev/null @@ -1,58 +0,0 @@ -#!/usr/bin/env python -# -# Copyright 2005 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, blks2 -from gnuradio import audio -from gnuradio.eng_option import eng_option -from optparse import OptionParser - -class my_top_block(gr.top_block): - - def __init__(self): - gr.top_block.__init__(self) - - parser = OptionParser(option_class=eng_option) - parser.add_option("-I", "--audio-input", type="string", default="", - help="pcm input device name. E.g., hw:0,0 or /dev/dsp") - parser.add_option("-O", "--audio-output", type="string", default="", - help="pcm output device name. E.g., hw:0,0 or /dev/dsp") - (options, args) = parser.parse_args () - if len(args) != 0: - parser.print_help() - raise SystemExit, 1 - - sample_rate = 8000 - src = audio.source(sample_rate, options.audio_input) - tx = blks2.digital_voice_tx(self) - if_gain = gr.multiply_const_cc(10000) - # channel simulator here... - rx = blks2.digital_voice_rx(self) - dst = audio.sink(sample_rate, options.audio_output) - - self.connect(src, tx, if_gain, rx, dst) - - -if __name__ == '__main__': - try: - my_top_block().run() - except KeyboardInterrupt: - pass |