diff options
Diffstat (limited to 'gnuradio-examples/python/hier/sounder/usrp_sounder_rx.py')
| -rwxr-xr-x | gnuradio-examples/python/hier/sounder/usrp_sounder_rx.py | 95 |
1 files changed, 0 insertions, 95 deletions
diff --git a/gnuradio-examples/python/hier/sounder/usrp_sounder_rx.py b/gnuradio-examples/python/hier/sounder/usrp_sounder_rx.py deleted file mode 100755 index 6b85281ad7..0000000000 --- a/gnuradio-examples/python/hier/sounder/usrp_sounder_rx.py +++ /dev/null @@ -1,95 +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, eng_notation -from gnuradio.eng_option import eng_option -from optparse import OptionParser -from usrp_source import usrp_source_c -from sounder_rx import sounder_rx - -n2s = eng_notation.num_to_str - -class usrp_sounder_rx(gr.top_block): - def __init__(self, options): - gr.top_block.__init__(self, "usrp_sounder_rx") - self._options = options - self._u = usrp_source_c(0, - self._options.rx_subdev_spec, - self._options.gain, - self._options.chip_rate, - self._options.freq, - self._options.cal, - self._options.verbose) - self._options.chip_rate = self._u._if_rate - self._length = 2**self._options.degree-1 - self._receiver = sounder_rx(self._options.chip_rate, - self._options.degree, - self._options.verbose) - - samples = 100 * self._length**2 - - head = gr.head(gr.sizeof_gr_complex, samples) - c2m = gr.complex_to_mag() - s2v = gr.stream_to_vector(gr.sizeof_float, self._length) - lpf = gr.single_pole_iir_filter_ff(self._options.alpha, self._length) - v2s = gr.vector_to_stream(gr.sizeof_float, self._length) - sink = gr.file_sink(gr.sizeof_float, "impulse.dat") - - self.connect(self._u, head, self._receiver, c2m, s2v, lpf, v2s, sink) - - if self._options.verbose: - print "Chip rate is", n2s(self._options.chip_rate), "chips/sec" - print "Resolution is", n2s(1.0/self._options.chip_rate), "sec" - print "Using PN code of degree", self._options.degree - -def main(): - parser = OptionParser(option_class=eng_option) - parser.add_option("-R", "--rx-subdev-spec", type="subdev", default=None, - help="select USRP Rx side A or B (default=first found)") - parser.add_option("-f", "--freq", type="eng_float", default=0.0, - help="set center frequency (default=%default)") - parser.add_option("-c", "--cal", type="eng_float", default=0.0, - help="set frequency calibration offset (default=%default)") - parser.add_option("-v", "--verbose", action="store_true", default=False, - help="print extra debugging info") - parser.add_option("-d", "--degree", type="int", default=10, - help="set PN code degree (length=2**degree-1, default=%default)") - parser.add_option("-r", "--chip-rate", type="eng_float", default=8e6, - help="set sounder chip rate (default=%default)") - parser.add_option("-g", "--gain", type="eng_float", default=None, - help="set receiver gain (default=%default)") - parser.add_option("", "--alpha", type="eng_float", default=1.0, - help="set smoothing constant (default=%default)") - (options, args) = parser.parse_args() - if len(args) != 0: - parser.print_help() - sys.exit(1) - - top_block = usrp_sounder_rx(options) - - try: - top_block.run() - except KeyboardInterrupt: - pass - -if __name__ == '__main__': - main () |