[Discuss-gnuradio] Re: starting with usrp2_fft.py

[Shih-shen Lu]

jeff . wrote:
> Hi,
> 
> I'm a newbie. I received my hardware and trying test it.
> I started to test the USRP2 (last release of firmware) and FLEX900 with 
> the
> "usrp2_fft.py".
> My system is Ubuntu 8.10 and the trunk version of gnuradio.
> 
> I'm trying this command:
> 
> #sudo usrp2_fft.py -f900M
> 
> But the graphic window of "USRP2 FFT" freezes and not responds anymore, 
> so I
No any response? Maybe the host pc loading is too heavy.
What is the horsepower of CPU?
> need to kill the application. The spectrun don't show any communication 
> at
> 900Mhz, even with many radios working in this frequency.
> If I try run again (sudo usrp2_fft.py -f900M) the following error 
> occurs:
> 
>     "RuntimeError: Unable to retrieve daughterboard info"
Maybe it is still running.
> 
> So I need turn off and turn on the USRP2 to stop the error and run the
> "usrp2_fft.py -f900M" again.
> 
> What am I doing wrong?
> 
> Thank you!


Shih-Shen

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