diff options
Diffstat (limited to 'gr-utils')
| -rwxr-xr-x | gr-utils/src/python/usrp_fft.py | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/gr-utils/src/python/usrp_fft.py b/gr-utils/src/python/usrp_fft.py index 8a9008877..3da62e29e 100755 --- a/gr-utils/src/python/usrp_fft.py +++ b/gr-utils/src/python/usrp_fft.py @@ -77,6 +77,9 @@ class app_top_block(stdgui2.std_top_block): help="Set fftsink averaging factor, default=[%default]") parser.add_option("", "--ref-scale", type="eng_float", default=13490.0, help="Set dBFS=0dB input value, default=[%default]") + parser.add_option("", "--fft-size", type="int", default=1024, + help="Set FFT frame size"); + (options, args) = parser.parse_args() if len(args) != 0: parser.print_help() @@ -115,11 +118,11 @@ class app_top_block(stdgui2.std_top_block): if options.waterfall: self.scope = \ - waterfallsink2.waterfall_sink_c (panel, fft_size=1024, sample_rate=input_rate) + waterfallsink2.waterfall_sink_c (panel, fft_size=options.fft_size, sample_rate=input_rate) elif options.oscilloscope: self.scope = scopesink2.scope_sink_c(panel, sample_rate=input_rate) else: - self.scope = fftsink2.fft_sink_c (panel, fft_size=1024, sample_rate=input_rate, + self.scope = fftsink2.fft_sink_c (panel, fft_size=options.fft_size, sample_rate=input_rate, ref_scale=options.ref_scale, ref_level=0.0, y_divs = 10, avg_alpha=options.avg_alpha) |