[Commit-gnuradio] r9970 - gnuradio/trunk/gr-utils/src/python

[jcorgan]

Author: jcorgan
Date: 2008-11-11 08:51:23 -0700 (Tue, 11 Nov 2008)
New Revision: 9970

Modified:
   gnuradio/trunk/gr-utils/src/python/usrp_fft.py
Log:
Add --fft-size command-line parameter, defaults to original behavior (1024)

Modified: gnuradio/trunk/gr-utils/src/python/usrp_fft.py
===================================================================
--- gnuradio/trunk/gr-utils/src/python/usrp_fft.py      2008-11-10 20:19:39 UTC 
(rev 9969)
+++ gnuradio/trunk/gr-utils/src/python/usrp_fft.py      2008-11-11 15:51:23 UTC 
(rev 9970)
@@ -77,6 +77,9 @@
                          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 @@
 
         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)