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Re: [Discuss-gnuradio] Error message when setting new center frequency


From: Eric Blossom
Subject: Re: [Discuss-gnuradio] Error message when setting new center frequency
Date: Fri, 12 Jun 2009 11:18:14 -0700
User-agent: Mutt/1.5.18 (2008-05-17)

On Fri, Jun 12, 2009 at 06:05:54PM +0200, Ulrika Uppman wrote:
> Hello everyone!
> 
> We are confused about the error returned by set_rx_center_freq. The code 
> below is executed while the USRP2 is running. 
> 
> usrp2::usrp2::sptr u2;
> 
> //-- clip --//
> 
> usrp2::tune_result tr;
> if (!u2->set_rx_center_freq(new_freq, &tr)){
>   fprintf(stderr, "set_rx_center_freq(%g) failed\n", new_freq);
>   //exit(1);
> }
> 

> This results in that the set_rx_center_freq returns an error, but
> when looking at a plot of the received signal, the center frequency
> seemes to be set to the new frequency after all.
> 
> Regards
> //Ulrika

What daughterboard are you using?

Eric




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