From 9f6d3260f13cbfb138dc54bdec9935ea97cdcc22 Mon Sep 17 00:00:00 2001
From: jcorgan <jcorgan@221aa14e-8319-0410-a670-987f0aec2ac5>
Date: Tue, 11 Nov 2008 15:51:23 +0000
Subject: Add --fft-size command-line parameter, defaults to original behavior
(1024)
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@9970 221aa14e-8319-0410-a670-987f0aec2ac5
---
gr-utils/src/python/usrp_fft.py | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
(limited to 'gr-utils/src/python/usrp_fft.py')
diff --git a/gr-utils/src/python/usrp_fft.py b/gr-utils/src/python/usrp_fft.py
index 8a9008877d..3da62e29ee 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)
--
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