[Commit-gnuradio] r7864 - gnuradio/trunk/gr-utils/src/python

[jcorgan]

Author: jcorgan
Date: 2008-02-28 12:35:18 -0700 (Thu, 28 Feb 2008)
New Revision: 7864

Modified:
   gnuradio/trunk/gr-utils/src/python/usrp_fft.py
Log:
Make averaging alpha configurable

Modified: gnuradio/trunk/gr-utils/src/python/usrp_fft.py
===================================================================
--- gnuradio/trunk/gr-utils/src/python/usrp_fft.py      2008-02-28 19:03:55 UTC 
(rev 7863)
+++ gnuradio/trunk/gr-utils/src/python/usrp_fft.py      2008-02-28 19:35:18 UTC 
(rev 7864)
@@ -73,6 +73,8 @@
                           help="don't use halfband filter in usrp")
         parser.add_option("-S", "--oscilloscope", action="store_true", 
default=False,
                           help="Enable oscilloscope display")
+       parser.add_option("", "--avg-alpha", type="eng_float", default=1e-1,
+                         help="Set fftsink averaging factor, 
default=[%default]")
         (options, args) = parser.parse_args()
         if len(args) != 0:
             parser.print_help()
@@ -116,7 +118,8 @@
             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=32768.0, ref_level=0.0, 
y_divs = 10)
+                                             ref_scale=32768.0, ref_level=0.0, 
y_divs = 10,
+                                             avg_alpha=options.avg_alpha)
 
         self.connect(self.u, self.scope)