[etherlab-users] SKIPPED datagram using Igh EtherCAT master porting for Linux OS on CyconeV SoC

Mike O'Connor mike at oeg.com.au
Thu Feb 19 11:38:37 CET 2015


On 17/02/2015 11:38 am, Gavin Lambert wrote:
>
> On standard x86 hardware, you’re unlikely to get much better than 4 ms 
> cycle rates even on Linux+PREEMPT_RT if you’re using the generic 
> driver.  Since you’re using more cut-down hardware, it wouldn’t 
> surprise me if this were more limited.
>
On our Atom boxes with Intel network cards using the generic drivers we 
get 1ms easily and in testing we have 500us working.

Our clockwork system does not use a kernel driver to poll Ethercat.

Cheers
Mike



More information about the Etherlab-users mailing list