+++ /dev/null
-#!/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()
projects / debian / gnuradio / blobdiff