Re: [Discuss-gnuradio] USRP2 latency calculations

[Eric Blossom]

On Wed, Nov 05, 2008 at 04:26:04PM +0100, Mattias Kjellsson wrote:
> Hi,
>
> Wouldn't one be able to use for instance "set_freq()" or find() as a  
> messure? Although there might be some overhead, you will receive an "ok  
> I have set the freq"/"Ok here I am"- packet from the usrp2. Although one  
> could think of more elaborate schemes involving a special OP_CODE  
> (usrp2_eth_packet.h)...
>
> Cheers
> //Mattias Kjellsson
>

set_freq would not be a good measure, since it takes a while to
configure the daughterboard.  find() isn't great either, since it
waits 10ms to ensure that it's gathered all responses to it's
broadcast.

set_rx_decim should give a reasonable measurement, as long as you're
not streaming data.

Eric