Re: [Discuss-gnuradio] libusrp2 tuning method

[Eric Blossom]

On Mon, Sep 07, 2009 at 06:53:46AM +0200, Vincenzo Pellegrini wrote:
> Hi everybody,
> Just a very quick question: I'm developing a simple interface to usrp2
> directly using libusrp2.
> I'm calling the set _center_freq method and I'm having the same frequency
> offset problems (dxc not set) that you have with usrp1 when you don't use
> the u.tune() method.
> 
> Problem is I could not find any similar method within libusrp2. Just could
> identify the set _center_freq one.
> Can anyone provide a pointer?
> 
> Thanks and best regards
> 
> vincenzo :-)


Just call set_rx_center_freq and/or set_tx_center_freq.
It sets both the LO and DDC/DUC.

Do not call set_rx_lo_offset and/or set_tx_lo_offset.

Eric