diff options
Diffstat (limited to 'gr-utils/python/utils/plot_fft_base.py')
| -rwxr-xr-x | gr-utils/python/utils/plot_fft_base.py | 33 |
1 files changed, 16 insertions, 17 deletions
diff --git a/gr-utils/python/utils/plot_fft_base.py b/gr-utils/python/utils/plot_fft_base.py index c4bc484d97..c99462147d 100755 --- a/gr-utils/python/utils/plot_fft_base.py +++ b/gr-utils/python/utils/plot_fft_base.py @@ -33,7 +33,7 @@ except ImportError: print "Please install Python Matplotlib (http://matplotlib.sourceforge.net/) and Python TkInter https://wiki.python.org/moin/TkInter to run this script" raise SystemExit, 1 -from optparse import OptionParser +from argparse import ArgumentParser class plot_fft_base: def __init__(self, datatype, filename, options): @@ -209,18 +209,21 @@ class plot_fft_base: @staticmethod def setup_options(): - usage="%prog: [options] input_filename" description = "Takes a GNU Radio complex binary file and displays the I&Q data versus time as well as the frequency domain (FFT) plot. The y-axis values are plotted assuming volts as the amplitude of the I&Q streams and converted into dBm in the frequency domain (the 1/N power adjustment out of the FFT is performed internally). The script plots a certain block of data at a time, specified on the command line as -B or --block. This value defaults to 1000. The start position in the file can be set by specifying -s or --start and defaults to 0 (the start of 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 and frequency axis, set the sample rate (-R or --sample-rate) to the sample rate used when capturing the samples." - parser = OptionParser(conflict_handler="resolve", usage=usage, description=description) - parser.add_option("-d", "--data-type", type="string", default="complex64", - help="Specify the data type (complex64, float32, (u)int32, (u)int16, (u)int8) [default=%default]") - parser.add_option("-B", "--block", type="int", default=1000, - help="Specify the block size [default=%default]") - parser.add_option("-s", "--start", type="int", default=0, - help="Specify where to start in the file [default=%default]") - parser.add_option("-R", "--sample-rate", type="float", default=1.0, - help="Set the sampler rate of the data [default=%default]") + parser = ArgumentParser(conflict_handler="resolve", description=description) + parser.add_argument("-d", "--data-type", default="complex64", + choices=("complex64", "float32", "uint32", "int32", "uint16", + "int16", "uint8", "int8"), + help="Specify the data type [default=%(default)r]") + 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", + help="Input file with samples") return parser def find(item_in, list_search): @@ -231,13 +234,9 @@ def find(item_in, list_search): def main(): parser = plot_fft_base.setup_options() - (options, args) = parser.parse_args () - if len(args) != 1: - parser.print_help() - raise SystemExit, 1 - filename = args[0] + args = parser.parse_args() - dc = plot_fft_base(options.data_type, filename, options) + dc = plot_fft_base(args.data_type, args.file, args) if __name__ == "__main__": try: |