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#!/usr/bin/env python
#
# Copyright 2007,2008 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 GNU Radio; see the file COPYING. If not, write to
# the Free Software Foundation, Inc., 51 Franklin Street,
# Boston, MA 02110-1301, USA.
#
try:
import scipy
except ImportError:
print "Please install SciPy to run this script (http://www.scipy.org/)"
raise SystemExit, 1
from argparse import ArgumentParser
from gnuradio.plot_data import plot_data
def main():
description = "Takes a GNU Radio floating point binary file and displays the samples versus time. You can set the block size to specify how many points to read in at a time and the start position in the file. By default, the system assumes a sample rate of 1, so in time, each sample is plotted versus the sample number. To set a true time axis, set the sample rate (-R or --sample-rate) to the sample rate used when capturing the samples."
parser = ArgumentParser(conflict_handler="resolve", description=description)
parser.add_argument("-B", "--block", type=int, default=1000,
help="Specify the block size [default=%(default)r]")
parser.add_argument("-s", "--start", type=int, default=0,
help="Specify where to start in the file [default=%(default)r]")
parser.add_argument("-R", "--sample-rate", type=float, default=1.0,
help="Set the sampler rate of the data [default=%(default)r]")
parser.add_argument("file", metavar="FILE", nargs='+',
help="Input file with samples")
args = parser.parse_args()
datatype=scipy.float32
dc = plot_data(datatype, args.file, args)
if __name__ == "__main__":
try:
main()
except KeyboardInterrupt:
pass
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