diff options
| author | jcorgan <jcorgan@221aa14e-8319-0410-a670-987f0aec2ac5> | 2007-09-04 02:43:56 +0000 |
|---|---|---|
| committer | jcorgan <jcorgan@221aa14e-8319-0410-a670-987f0aec2ac5> | 2007-09-04 02:43:56 +0000 |
| commit | 54d6b9281dc233e0b2acf26884073d973b7663de (patch) | |
| tree | 15cd1fa40207e68c5035a50fd7d54536831c4599 /gnuradio-examples/python/usrp/ayfabtu.py | |
| parent | 2c37e57fe4626ac30eb8c042e4d7daf64a0d45f5 (diff) | |
Merged r6271:6278 from jcorgan/t182 into trunk. Implements ticket:182.
Created new top-level component, gr-utils, to hold commonly used utility
scripts (originally in gnuradio-examples). These now install into the
system path, allowing their use from wherever.
Reorganization of gnuradio-examples component:
* Commonly used utility scripts moved from python/usrp into gr-utils.
* Examples now install into $(prefix)/share/gnuradio/examples/...
* Channel coding examples moved into gr-trellis/src/examples, now install
from there, only if gr-atsc itself is going to built and installed.
* ATSC example scripts now install into example hierarchy
* Cruft has been moved into 'limbo' in repository, do not get installed
Trunk passes 'make distcheck'.
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@6279 221aa14e-8319-0410-a670-987f0aec2ac5
Diffstat (limited to 'gnuradio-examples/python/usrp/ayfabtu.py')
| -rwxr-xr-x | gnuradio-examples/python/usrp/ayfabtu.py | 169 |
1 files changed, 0 insertions, 169 deletions
diff --git a/gnuradio-examples/python/usrp/ayfabtu.py b/gnuradio-examples/python/usrp/ayfabtu.py deleted file mode 100755 index de6c26f58a..0000000000 --- a/gnuradio-examples/python/usrp/ayfabtu.py +++ /dev/null @@ -1,169 +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. -# - -# -# All Your Frequencies are Belong to Us! -# -# Transmit NBFM message on 25 channels simultaneously! -# - -from gnuradio import gr, gru, eng_notation -from gnuradio import usrp -from gnuradio import audio -from gnuradio import blks -from gnuradio import optfir -from gnuradio.eng_option import eng_option -from optparse import OptionParser -import math -import sys -import random - -from gnuradio.wxgui import stdgui, fftsink -import wx - - -def make_random_complex_tuple(L): - result = [] - for x in range(L): - result.append(complex(random.gauss(0, 1),random.gauss(0, 1))) - - return tuple(result) - -def random_noise_c(): - src = gr.vector_source_c(make_random_complex_tuple(32*1024), True) - return src - - -def plot_taps(taps, sample_rate=2): - return gru.gnuplot_freqz (gru.freqz (taps, 1), sample_rate) - - -class ayfabtu_graph (stdgui.gui_flow_graph): - def __init__(self, frame, panel, vbox, argv): - stdgui.gui_flow_graph.__init__ (self, frame, panel, vbox, argv) - - parser = OptionParser (option_class=eng_option) - parser.add_option ("-c", "--duc-freq", type="eng_float", default=29.325e6, - help="set Tx ddc frequency to FREQ", metavar="FREQ") - (options, args) = parser.parse_args () - - nchan = 25 - IF_GAIN = 80000 - AUDIO_GAIN = 100 - - self.dac_rate = 128e6 - self.usrp_interp = 256 - self.usrp_rate = self.dac_rate / self.usrp_interp # 500 kS/s - self.audio_rate = 32000 # 32 kS/s - - self.audio_src = gr.file_source(gr.sizeof_float, "ayfabtu.dat", True) - - ahp_taps = gr.firdes.high_pass(1, # gain - 32e3, # Fs - 300, # cutoff - 600, # trans width - gr.firdes.WIN_HANN) - self.audio_hp = gr.fir_filter_fff(1, ahp_taps) - - self.audio_gain = gr.multiply_const_ff(AUDIO_GAIN) - - null_src = gr.null_source(gr.sizeof_gr_complex) - #noise_src = gr.noise_source_c(gr.GR_UNIFORM, 1, 0) - noise_src = random_noise_c() - - if 0: - artaps = optfir.low_pass(1, # gain - 2, # Fs - .75/32, # freq1 - 1.0/32, # freq2 - 1, # pb ripple in dB - 50, # stopband atten in dB - 2) # + extra taps - else: - artaps = gr.firdes.low_pass(1, # gain - 32e3*15,# Fs - 2.7e3, # cutoff - .3e3, # trans width - gr.firdes.WIN_HANN) - print "len(artaps) =", len(artaps) - self.audio_resampler = blks.rational_resampler_fff(self, 15, 32, artaps) - - self.fm_mod = blks.nbfm_tx(self, 15000, 15000, max_dev=4.5e3) - - - fbtaps = gr.firdes.low_pass(1, # gain - 25*15e3, # rate - 13e3, # cutoff - 2e3, # trans width - gr.firdes.WIN_HANN) - print "len(fbtabs) =", len(fbtaps) - #self.plot = plot_taps(fbtaps, 25*15e3) - self.filter_bank = blks.synthesis_filterbank(self, nchan, fbtaps) - - self.if_gain = gr.multiply_const_cc(IF_GAIN) - - if 0: - ifrtaps = optfir.low_pass(1, - 2, # Fs - .75/3, # freq1 - 1.0/3, # freq2 - 1, # pb ripple in dB - 50, # stopband atten in dB - 2) # + extra taps - else: - ifrtaps = gr.firdes.low_pass(1, - 2, # Fs - .75/3, # freq1 - .25/3, # trans width - gr.firdes.WIN_HANN) - - - print "len(ifrtaps) =", len(ifrtaps) - self.if_resampler = blks.rational_resampler_ccf(self, 4, 3, ifrtaps) - - - self.u = usrp.sink_c(0, 256) - self.u.set_tx_freq(0, options.duc_freq) - self.u.set_pga(0, self.u.pga_max()) - - # wire it all together - - self.connect(self.audio_src, self.audio_hp, self.audio_gain, - self.audio_resampler, self.fm_mod) - - null_sink = gr.null_sink(gr.sizeof_gr_complex) - - for i in range(nchan): - if True or i == 0: - self.connect(self.fm_mod, (self.filter_bank, i)) - else: - self.connect(null_src, (self.filter_bank, i)) - - self.connect(self.filter_bank, self.if_gain, self.if_resampler, self.u) - - -def main (): - app = stdgui.stdapp (ayfabtu_graph, "All Your Frequency Are Belong to Us") - app.MainLoop () - -if __name__ == '__main__': - main () |