feldmaus wrote:
Josh Blum <josh <at> joshknows.com> writes:
Using GRC, I just tested changing the sample rate of the fftsink. I
tested this for the gl and non gl version. The x-axis markers move and
change correctly when I move the slider for sample rate. The
flowgraph.grc is attached.
I do not understand why you have the problem? Do you have the latest
gnuradio trunk installed? http://gnuradio.org/svn/gnuradio/trunk
I have the SVN Version 2009-Jan-28.
Aha, I believe that I added the set_sample_rate callback recently
(possibly in February). svn up!
Further on everytimen i open my *.grc file, the <grc> deletes the manually
inserted class-method,
<set_sample_rate>
so there must be a Problem.
When you generate or run a flow graph in grc, the generated flow graph
is always overwritten.
Also, I am concerned that the gl fftsink aborted/segfaulted. Can you run
the flow graph in gdb and send the traceback?
Yes i will try this and post the message here.
Another important Point,
Is there a possibility to save my manually inserted python commands
in the <top_block.py> file without loosing this by the next
start of <grc> ?
Nope, too complicated!
If you want to change things: the best way is to manipulate the xml
block wrappers or make your own custom wrappers:
http://gnuradio.org/trac/wiki/GNURadioCompanion#AddingCustomBlocks
And here is fftsink:
http://gnuradio.org/trac/browser/gnuradio/trunk/grc/data/platforms/python/blocks/wxgui_fftsink2.xml
Regards Markus
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