Re: [Discuss-gnuradio] USRP1 Inband firmware questions

[Brian Padalino]

On Thu, Aug 12, 2010 at 8:27 AM, Sylvain Munaut <address@hidden> wrote:
> Hi,
>
> I'm trying to adapt openbts to the inband firmware for which the source
> are available. (it seems the sources for the std_inband.rbf that openbts
> uses has been 'lost')
>
> Two things I'm faced with
>
>  - How can I know the 'current' TX timestamp ? I want to send a ping
> command, but I don't see a way to know what timestamp I should use.

I think there is a "NOW" timestamp of all F's.

>  - The timestamp seems imprecise: I often get a timestamp difference
> between two packets of 24191 or 24193  while I should in fact get 24192
> (I'm at 192 decimation). With such a high decimator, I can fix it up
> myself, but still, that looks weird.

>From what I remember, there were some issues with that count.  I am
not sure if anyone fixed them.

> Cheers,
>
>   Sylvain

Good luck.

Brian