Re: [Discuss-gnuradio] GRC Waterfall sink

[Josh Blum]

Something is wrong with your graphics driver. It seems that GL is messed 
 up on 1 in 10 linux distributions. Crap.

Make sure everything is up-to-date. Try installing envy-ng. Google your 
error, get back to us if you find a solution.

Arto Oksanen wrote:
> hello Josh!
>
> I tried to enable gl sinks, but they fail with:
>
> fire_buffer: DRM_VIA_PCICMD returned -22
>
> any clue what is wrong? I am running the trunk version on F10.
>
> arto
>
> 2009/3/14 Josh Blum <address@hidden>:
> > Make sure you are using GRC that comes with gnuradio trunk or gnuradio 3.2
> > release branch. Not anything older.
> >
> > Also, enable the gl sinks, because the non gl waterfall sink does not do
> > much: http://gnuradio.org/trac/browser/gnuradio/trunk/gr-wxgui/README.gl
> >
> > If you want documentation for GRC blocks, configure your gnuradio with
> > doxygen support:
> > http://gnuradio.org/trac/wiki/GNURadioCompanion#InstallingDocumentation
> >
> > -Josh
> >
> > Arto Oksanen wrote:
> > > Is there any documentation available for GRC blocks? I am trying to
> > > figure out how the Waterfall sink works. Some of the parameters seem
> > > to change nothing. I am looking for how to increase the sensitivity
> > > for very weak signals. Also I would like to look some other freq band
> > > than 0..15 kHz.
> > >
> > > There are also many blocks I have no idea what they are for.
> > >
> > > Is there a stripchartsink for GRC somewhere?
> > Not that I know of. Would be cool I bet.
> >
> > > arto