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Diffstat (limited to 'gr-pager/apps/usrp_flex_all')
| -rwxr-xr-x | gr-pager/apps/usrp_flex_all | 166 |
1 files changed, 0 insertions, 166 deletions
diff --git a/gr-pager/apps/usrp_flex_all b/gr-pager/apps/usrp_flex_all deleted file mode 100755 index 4d950866f0..0000000000 --- a/gr-pager/apps/usrp_flex_all +++ /dev/null @@ -1,166 +0,0 @@ -#!/usr/bin/env python -# -# Copyright 2006,2007,2009,2013 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, uhd, eng_notation, pager -from gnuradio import blocks -from gnuradio import filter -from gnuradio.eng_option import eng_option -from optparse import OptionParser -from string import split, join, printable -import sys - -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: - self.u = blocks.file_source(gr.sizeof_gr_complex, options.from_file) - self.nchan = options.nchan - if options.verbose: - print "Reading samples from file", options.from_file - print "User specified file contains", options.nchan, "25 KHz channels." - - else: - # Set up USRP source - self.u = uhd.usrp_source(device_addr=options.address, stream_args=uhd.stream_args('fc32')) - - # Tune daughterboard - r = self.u.set_center_freq(options.freq+options.calibration, 0) - if not r: - frange = self.u.get_freq_range() - sys.stderr.write(("\nRequested frequency (%f) out or range [%f, %f]\n") % \ - (freq, frange.start(), frange.stop())) - sys.exit(1) - - if options.verbose: - print "Tuned to center frequency", (options.freq+options.calibration)/1e6, "MHz" - - # if no gain was specified, use the mid-point in dB - if options.rx_gain is None: - grange = self.u.get_gain_range() - options.rx_gain = float(grange.start()+grange.stop())/2.0 - print "\nNo gain specified." - print "Setting gain to %f (from [%f, %f])" % \ - (options.rx_gain, grange.start(), grange.stop()) - - self.u.set_gain(options.rx_gain, 0) - - # Grab >=3 MHz of spectrum, evenly divisible by 25 KHz channels - # (A UHD facility to get sample rate range and granularity would be useful) - - self.u.set_samp_rate(3.125e6) # Works if USRP is 100 Msps and can decimate by 32 - rate = self.u.get_samp_rate() - - if rate != 3.125e6: - self.u.set_samp_rate(3.2e6) # Works if USRP is 64 Msps and can decimate by 20 - rate = self.u.get_samp_rate() - if (rate != 3.2e6): - print "Unable to set required sample rate for >= 3MHz of 25 KHz channels." - sys.exit(1) - - self.nchan = int(rate/25e3) - if options.verbose: - print "\nReceiving", rate/1e6, "MHz of bandwidth containing", self.nchan, "baseband channels." - - taps = filter.firdes.low_pass(1.0, - 1.0, - 1.0/self.nchan*0.4, - 1.0/self.nchan*0.1, - filter.firdes.WIN_HANN) - - if options.verbose: - print "Channel filter has", len(taps), "taps" - - self.bank = filter.analysis_filterbank(self.nchan, taps) - self.connect(self.u, self.bank) - - if options.log and options.from_file == None: - src_sink = blocks.file_sink(gr.sizeof_gr_complex, 'usrp.dat') - self.connect(self.u, src_sink) - - mid_chan = int(self.nchan/2) - for i in range(self.nchan): - if i < mid_chan: - freq = options.freq+i*25e3 - else: - freq = options.freq-(self.nchan-i)*25e3 - - if (freq < 929.0e6 or freq > 932.0e6): - self.connect((self.bank, i), blocks.null_sink(gr.sizeof_gr_complex)) - else: - self.connect((self.bank, i), pager.flex_demod(queue, freq, options.verbose, options.log)) - if options.log: - self.connect((self.bank, i), blocks.file_sink(gr.sizeof_gr_complex, 'chan_'+'%3.3f'%(freq/1e6)+'.dat')) - - -def get_options(): - parser = OptionParser(option_class=eng_option) - - parser.add_option('-f', '--freq', type="eng_float", default=929.5125e6, - help="Set receive frequency to FREQ [default=%default]", - metavar="FREQ") - parser.add_option("-a", "--address", type="string", default="addr=192.168.10.2", - help="Address of UHD device, [default=%default]") - parser.add_option("-A", "--antenna", type="string", default=None, - help="select Rx Antenna where appropriate") - parser.add_option("", "--rx-gain", type="eng_float", default=None, - help="set receive gain in dB (default is midpoint)") - parser.add_option("-c", "--calibration", type="eng_float", default=0.0, - help="set frequency offset to Hz", metavar="Hz") - parser.add_option("-v", "--verbose", action="store_true", default=False) - parser.add_option("-l", "--log", action="store_true", default=False, - help="log flowgraph to files (LOTS of data)") - parser.add_option("-F", "--from-file", default=None, - help="read samples from file instead of USRP") - parser.add_option("", "--nchan", type="int", default=None, - help="set to number of channels in capture file", metavar="nchan") - - (options, args) = parser.parse_args() - - if len(args) > 0: - print "Run 'usrp_flex_all.py -h' for options." - sys.exit(1) - - if options.nchan is None and options.from_file is not None: - print "You must specify the number of baseband channels with --nchan when reading from a file" - sys.exit(1) - - return (options, args) - - -def main(): - - (options, args) = get_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() |