X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=gr-pager%2Fapps%2Fusrp_flex_all.py;fp=gr-pager%2Fapps%2Fusrp_flex_all.py;h=14f9151de1b33a1514e6b7e6fbee39385db05240;hb=8a9ddbb0675f9bfcc6e03b457fba6c79474a3693;hp=0000000000000000000000000000000000000000;hpb=82d471b9b4a8b389b5da44b19c69c36420828382;p=debian%2Fgnuradio diff --git a/gr-pager/apps/usrp_flex_all.py b/gr-pager/apps/usrp_flex_all.py new file mode 100755 index 00000000..14f9151d --- /dev/null +++ b/gr-pager/apps/usrp_flex_all.py @@ -0,0 +1,109 @@ +#!/usr/bin/env python +# +# Copyright 2006,2007,2009 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, usrp, optfir, eng_notation, blks2, pager +from gnuradio.eng_option import eng_option +from optparse import OptionParser +from string import split, join, printable +import time + +class app_top_block(gr.top_block): + def __init__(self, options, queue): + gr.top_block.__init__(self, "usrp_flex_all") + + if options.from_file is not None: + src = gr.file_source(gr.sizeof_gr_complex, options.from_file) + if options.verbose: + print "Reading samples from file", options.from_file + else: + src = usrp.source_c() + if options.rx_subdev_spec is None: + options.rx_subdev_spec = usrp.pick_rx_subdevice(src) + subdev = usrp.selected_subdev(src, options.rx_subdev_spec) + src.set_mux(usrp.determine_rx_mux_value(src, options.rx_subdev_spec)) + src.set_decim_rate(20) + result = usrp.tune(src, 0, subdev, 930.5125e6+options.calibration) + if options.verbose: + print "Using", subdev.name(), " for receiving." + print "Tuned USRP to", 930.5125e6+options.calibration + + taps = gr.firdes.low_pass(1.0, + 1.0, + 1.0/128.0*0.4, + 1.0/128.0*0.1, + gr.firdes.WIN_HANN) + + if options.verbose: + print "Channel filter has", len(taps), "taps" + + bank = blks2.analysis_filterbank(128, taps) + self.connect(src, bank) + + if options.log and options.from_file == None: + src_sink = gr.file_sink(gr.sizeof_gr_complex, 'usrp.dat') + self.connect(src, src_sink) + + for i in range(128): + if i < 64: + freq = 930.5e6+i*25e3 + else: + freq = 928.9e6+(i-64)*25e3 + + if (freq < 929.0e6 or freq > 932.0e6): + self.connect((bank, i), gr.null_sink(gr.sizeof_gr_complex)) + else: + self.connect((bank, i), pager.flex_demod(queue, freq, options.verbose, options.log)) + if options.log: + self.connect((bank, i), gr.file_sink(gr.sizeof_gr_complex, 'chan_'+'%3.3f'%(freq/1e6)+'.dat')) + +def main(): + parser = OptionParser(option_class=eng_option) + parser.add_option("-R", "--rx-subdev-spec", type="subdev", + help="select USRP Rx side A or B (default=first daughterboard found)") + parser.add_option("-c", "--calibration", type="eng_float", default=0.0, + help="set frequency offset to Hz", metavar="Hz") + parser.add_option("-g", "--gain", type="int", + help="set RF gain", metavar="dB") + parser.add_option("-F", "--from-file", default=None, + help="Read from file instead of USRP") + parser.add_option("-l", "--log", action="store_true", default=False, + help="log flowgraph to files (LOTS of data)") + parser.add_option("-v", "--verbose", action="store_true", default=False, + help="display debug output") + (options, args) = parser.parse_args() + + if options.verbose: + print options + + queue = gr.msg_queue() + tb = app_top_block(options, queue) + runner = pager.queue_runner(queue) + + try: + tb.run() + except KeyboardInterrupt: + pass + + runner.end() + +if __name__ == "__main__": + main()