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