RTAI 5.3.1 for LinuxCNC is running pretty good right now with kernel 4.19.195. If you need lower latency, that is my suggestion. I don't know anything about USC and it may not be compatible with the LinuxCNC RTAI hal drivers, throwing this out there on a whim.
On Sunday, August 15, 2021, 10:07:02 PM UTC, andy pugh <bodge...@gmail.com> wrote: On Sun, 15 Aug 2021 at 21:59, Jon Elson <el...@pico-systems.com> wrote: > He is getting rotten latency jitter, around 66 us. He > intends to use it with my Unversal Stepper Controller, which > needs better jitter than that. 66uS isn't great, but it is borderline OK for software stepping and I would expect it to be more than OK for the USC. 66,000 nS? Has an order of magnitude been lost? -- atp "A motorcycle is a bicycle with a pandemonium attachment and is designed for the especial use of mechanical geniuses, daredevils and lunatics." — George Fitch, Atlanta Constitution Newspaper, 1912 _______________________________________________ Emc-developers mailing list Emc-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-developers _______________________________________________ Emc-developers mailing list Emc-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-developers