Richard, thanks for your suggestion. I was using PREEMPT initially, and with PREEMPT RT I see some improvements, clocks are synchronized in the +- 250ns range.
Regards, Juan. On Wed, Jul 29, 2015, at 06:17 PM, Richard Cochran wrote: > 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
