Please don't paint yourself into a corner like GRBL and the *duino crowd with not being able to support closed loop for servos, rigid tapping, 4+ axis, >30fps HD GUI's, etc etc.
On 4/13/19 5:04 PM, Danny Miller wrote: > > On 4/13/2019 3:46 PM, Nicklas SB Karlsson wrote: >>> Even th D-525-MW motherboard? I can latency-test for an hour or 2 on >>> this >>> machine I'm building up right now, and not show any worse than 5.1 >>> microseconds for base thread latency, and If I run without that thread, >>> which I don't use anyway, and the worst case latency is 4850ns. Thats >>> right alongside the figures I've seen quoted for the STM-32. >> On an STM32 it will probably be less than 4850ns on the highest >> priority interrupt. Others however depends on threads with higher >> priority. Ideally all threads should be known and have an upper bound >> on execution time then it might under correct conditions be possible >> to calculate beforehand all dead lines will be met. >> >> Then I last checked real time seems to run really well on ordinary >> linux with real time kernel. Do anybody know if it is possible to >> list running real time threads in linux? > > I did a calc and got *10ns* latency on a Cortex m7 400MHz, with only > 2ns of that as actual jitter, which would be avoidable. > > Danny > > > > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
