From: jcorgan <jcorgan@221aa14e-8319-0410-a670-987f0aec2ac5>
Date: Thu, 28 Feb 2008 19:35:18 +0000 (+0000)
Subject: Make averaging alpha configurable
X-Git-Url: https://git.gag.com/?a=commitdiff_plain;h=a2d1e3699e0ce052b9005c708bc8d0c5c4c0ba03;p=debian%2Fgnuradio

Make averaging alpha configurable

git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@7864 221aa14e-8319-0410-a670-987f0aec2ac5
---

diff --git a/gr-utils/src/python/usrp_fft.py b/gr-utils/src/python/usrp_fft.py
index 30a06911..9a9f75fe 100755
--- a/gr-utils/src/python/usrp_fft.py
+++ b/gr-utils/src/python/usrp_fft.py
@@ -73,6 +73,8 @@ class app_top_block(stdgui2.std_top_block):
                           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 @@ class app_top_block(stdgui2.std_top_block):
             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)