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#!/usr/bin/env python
#
# Copyright 2008 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 this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
import os
import os.path
import sys
from gnuradio.eng_option import eng_option
from optparse import OptionParser
def main():
parser = OptionParser(option_class=eng_option)
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=0.0,
help="set frequency to FREQ", metavar="FREQ")
parser.add_option("-g", "--gain", type="string", default=None,
help="set gain to GAIN [default=%default]")
parser.add_option("-W", "--waterfall", action="store_true", default=False,
help="Enable waterfall display")
parser.add_option("-S", "--oscilloscope", action="store_true", default=False,
help="Enable oscilloscope display")
parser.add_option("-F", "--samples-per-frame", type="int", default=250,
help="[default=%default]")
parser.add_option("-e", "--eth", default="eth0",
help="specify ethernet interface [default=%default]")
(options, args) = parser.parse_args()
if len(args) != 0:
parser.print_help()
sys.exit(1)
path = os.path.dirname(sys.argv[0])
if path == '':
path = '.'
display_type = ''
if options.waterfall:
display_type = '-W'
if options.oscilloscope:
display_type = '-S'
gain_clause = ''
if options.gain:
gain_clause = '-g ' + options.gain
# FIXME: restore -F
cmd = "%s/rx_streaming_samples -s -e %s -f %g -d %d %s -o /proc/self/fd/1 | %s/stdin_int32_fft.py %s -f %g -d %d" % (
path, options.eth, options.freq, options.decim, gain_clause,
path, display_type, options.freq, options.decim)
print cmd
os.system(cmd)
if __name__ == '__main__':
main()
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