Re: [Discuss-gnuradio] Unable to find USRP

[Eric Blossom]

On Fri, May 13, 2005 at 10:47:17PM +0930, Berndt Josef Wulf wrote:
> G'day Folks,
> 
> after updating to the current GnuRadio CVS source I'm getting the following 
> error message when attempting to run applications that inovle the USRP:
> 
>   File "./usrp_fft.py", line 49, in __init__
>     self.u = usrp.source_c (0, options.decim, 1, options.mux, 0)
>   File "/usr/pkg/lib/python2p3/site-packages/gnuradio/usrp.py", line 95, in 
> source_c
>     return ((usrp0.source_c, usrp1.source_c)[look_for_usrp(which)])(which, 
> *args, **kwargs)
>   File "/usr/pkg/lib/python2p3/site-packages/gnuradio/usrp.py", line 69, in 
> look_for_usrp
>     raise RuntimeError, "Unable to find USRP #%d" % (which,)
> RuntimeError: Unable to find USRP #0
> 
> All was fine prior to the update. 
> 
> Any ideas?
> 
> cheerio Berndt

Not really.

Obvious check #1:  Is the USRP plugged in and powered up?

Did you update all CVS components and build them in the right order?
I like using gr-build, because it keeps me from having to think too
much about this kind of thing.  I just fire it off and walk away.

Eric