diff options
Diffstat (limited to 'gr-utils/src/python/usrp2_fft.py')
| -rwxr-xr-x | gr-utils/src/python/usrp2_fft.py | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/gr-utils/src/python/usrp2_fft.py b/gr-utils/src/python/usrp2_fft.py index c4b73753ce..1e8cf89ea9 100755 --- a/gr-utils/src/python/usrp2_fft.py +++ b/gr-utils/src/python/usrp2_fft.py @@ -58,6 +58,8 @@ class app_top_block(stdgui2.std_top_block): help="Set fftsink averaging factor, default=[%default]") parser.add_option("", "--ref-scale", type="eng_float", default=1.0, help="Set dBFS=0dB input value, default=[%default]") + parser.add_option("--fft-size", type="int", default=1024, + help="Set number of FFT bins [default=%default]") (options, args) = parser.parse_args() if len(args) != 0: parser.print_help() @@ -76,8 +78,12 @@ class app_top_block(stdgui2.std_top_block): 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, - ref_scale=options.ref_scale, ref_level=0.0, y_divs = 10, + self.scope = fftsink2.fft_sink_c (panel, + fft_size=options.fft_size, + sample_rate=input_rate, + ref_scale=options.ref_scale, + ref_level=20.0, + y_divs = 12, avg_alpha=options.avg_alpha) self.connect(self.u, self.scope) |