On Sun, Aug 30, 2015 at 10:28:15PM +0100, Guo Hao wrote: > Hence the working principle would be as: > 1. The Endace card might get the ToD second (from NTP or PTP) before the > accurate 1-PPS or after the 1-PPS > 2. If the ToD second comes first then 1-PPS comes later, Endace card would > record the ToD second and match that second to the moment when it really > receives the 1-PPS. > 3. If the 1-PPS comes first and ToD second comes later, Endace card would > add some offset to the ToD second to make that align to the 1-PPS. > > Is my understanding correct or not?
Yes, I think so. > Still not that clear on how the Endace card coordinate NTP ToD with PPS and > can you give more clues? You can always ask Endace how their card works... Thanks, Richard ------------------------------------------------------------------------------ _______________________________________________ Linuxptp-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/linuxptp-users
