On Wed, Jul 29, 2015 at 05:28:12PM +0200, Juan Solano wrote:
> Oops! time to ditch the BBB then. I have written a PPS generator driver
> through GPIO:
> 
> https://github.com/jsln/pps-gen-gpio

Right, so the jitter you are seeing is mostly due to latencies in the
OS.  You can improve this a bit by using a PREEMPT_RT kernel.
 
> Do you know of a cheap SBC we can use that supports HW timestamp? Has
> anybody had success with Atmel SAMA5D3 chips?

I can't think of any cheap SBC that also has good PTP support.

Sorry,
Richard

------------------------------------------------------------------------------
_______________________________________________
Linuxptp-devel mailing list
Linuxptp-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/linuxptp-devel

Reply via email to