On Mon, 2009-01-26 at 10:56 +, feldmaus wrote:
Raul Siles raul.siles at gmail.com writes:
Hello,
I'm running GNU-Radio 3.1.3 under Fedora 8 (fully updated) with USRP
and all the USRP graphical (GUI) applications freeze, such as
usrp_oscope.py or usrp_fft.py.
The application, eg. usrp_oscope.py, main window is displayed but only
the signal diagram is visible and changes. All the controls and
buttons are not available. Sporadically the whole window, signal
diagram plus controls, is displayed but it is not possible to interact
with or adjust any control.
Hi,
i have the same Problems on Suse 11.1 and gnuradio 3.1svn.
I solved it by executing grc with:
$nice -n 19 grc
Regards Markus
The fft and/or scopedisplay is needing more processing power then your
CPU has (your computer is too slow for the settings you are using)
A better solution is to restrict the maximum processing power the scope
and/or fft uses.
You can change the defaults
in /usr/local/etc/gnuradio/conf.d/gr-wxgui.conf
Change:
# fftsink and waterfallsink
fft_rate = 15
# scopesink
frame_decim = 1
into something like:
# fftsink and waterfallsink
fft_rate = 5
# scopesink
frame_decim = 10
Important: don't put any comments after the numbers.
Greetings,
Martin Dudok van Heel
Olifantasia
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