diff options
Diffstat (limited to 'gr-utils/src/python/usrp2_rx_cfile.py')
| -rwxr-xr-x | gr-utils/src/python/usrp2_rx_cfile.py | 144 |
1 files changed, 0 insertions, 144 deletions
diff --git a/gr-utils/src/python/usrp2_rx_cfile.py b/gr-utils/src/python/usrp2_rx_cfile.py deleted file mode 100755 index 1f23eee4e..000000000 --- a/gr-utils/src/python/usrp2_rx_cfile.py +++ /dev/null @@ -1,144 +0,0 @@ -#!/usr/bin/env python -# -# Copyright 2004,2005,2007,2008,2009 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. -# - -""" -Read samples from the USRP2 and write to file formatted as binary -outputs single precision complex float values or complex short values -(interleaved 16 bit signed short integers). -""" - -from gnuradio import gr, eng_notation -from gnuradio import usrp2 -from gnuradio.eng_option import eng_option -from optparse import OptionParser -import sys - -n2s = eng_notation.num_to_str - -class rx_cfile_block(gr.top_block): - - def __init__(self, options, filename): - gr.top_block.__init__(self) - - # Create a USRP2 source - if options.output_shorts: - self._u = usrp2.source_16sc(options.interface, options.mac_addr) - self._sink = gr.file_sink(gr.sizeof_short*2, filename) - else: - self._u = usrp2.source_32fc(options.interface, options.mac_addr) - self._sink = gr.file_sink(gr.sizeof_gr_complex, filename) - - # Set receiver decimation rate - self._u.set_decim(options.decim) - - # Set receive daughterboard gain - if options.gain is None: - g = self._u.gain_range() - options.gain = float(g[0]+g[1])/2 - print "Using mid-point gain of", options.gain, "(", g[0], "-", g[1], ")" - self._u.set_gain(options.gain) - - # Set receive frequency - if options.lo_offset is not None: - self._u.set_lo_offset(options.lo_offset) - - tr = self._u.set_center_freq(options.freq) - if tr == None: - sys.stderr.write('Failed to set center frequency\n') - raise SystemExit, 1 - - # Create head block if needed and wire it up - if options.nsamples is None: - self.connect(self._u, self._sink) - else: - if options.output_shorts: - self._head = gr.head(gr.sizeof_short*2, int(options.nsamples)) - else: - self._head = gr.head(gr.sizeof_gr_complex, int(options.nsamples)) - - self.connect(self._u, self._head, self._sink) - - input_rate = self._u.adc_rate()/self._u.decim() - - if options.verbose: - print "Network interface:", options.interface - print "USRP2 address:", self._u.mac_addr() - print "Using RX d'board id 0x%04X" % (self._u.daughterboard_id(),) - print "Rx gain:", options.gain - print "Rx baseband frequency:", n2s(tr.baseband_freq) - print "Rx DDC frequency:", n2s(tr.dxc_freq) - print "Rx residual frequency:", n2s(tr.residual_freq) - print "Rx decimation rate:", options.decim - print "Rx sample rate:", n2s(input_rate) - if options.nsamples is None: - print "Receiving samples until Ctrl-C" - else: - print "Receving", n2s(options.nsamples), "samples" - if options.output_shorts: - print "Writing 16-bit complex shorts" - else: - print "Writing 32-bit complex floats" - print "Output filename:", filename - -def get_options(): - usage="%prog: [options] output_filename" - parser = OptionParser(option_class=eng_option, usage=usage) - parser.add_option("-e", "--interface", type="string", default="eth0", - help="use specified Ethernet interface [default=%default]") - parser.add_option("-m", "--mac-addr", type="string", default="", - help="use USRP2 at specified MAC address [default=None]") - parser.add_option("-d", "--decim", type="int", default=16, - help="set fgpa decimation rate to DECIM [default=%default]") - parser.add_option("-f", "--freq", type="eng_float", default=None, - help="set frequency to FREQ", metavar="FREQ") - parser.add_option("-g", "--gain", type="eng_float", default=None, - help="set gain in dB (default is midpoint)") - parser.add_option( "-s","--output-shorts", action="store_true", default=False, - help="output interleaved shorts instead of complex floats") - parser.add_option("-N", "--nsamples", type="eng_float", default=None, - help="number of samples to collect [default=+inf]") - parser.add_option("-v", "--verbose", action="store_true", default=False, - help="verbose output") - parser.add_option("", "--lo-offset", type="eng_float", default=None, - help="set daughterboard LO offset to OFFSET [default=hw default]") - - (options, args) = parser.parse_args () - if len(args) != 1: - parser.print_help() - raise SystemExit, 1 - - if options.freq is None: - parser.print_help() - sys.stderr.write('You must specify the frequency with -f FREQ\n'); - raise SystemExit, 1 - - return (options, args[0]) - - -if __name__ == '__main__': - (options, filename) = get_options() - tb = rx_cfile_block(options, filename) - - try: - tb.run() - except KeyboardInterrupt: - pass |