[etherlab-users] Userspace scheduling with RTAI

Thomas Paoloni thomas at digithom.it
Fri Mar 25 15:24:18 CET 2011


On 24/03/2011 08:43, Andreas Stewering-Bone wrote:
> Hello Ravi,
>
> do not use ethercat under lxrt in the actual version.
> You will not get any workable timing results because of using the 
> native linux syscalls
>
> Actually we are implementing the RTDM-Driver  interface for the 
> ethercat master stack.
> There will be a example for lxrt included.
>
> The Code is finished. I think in 1 or 2 weeks we will push it into the 
> official repository.
>
> Best Regards

Hello Andreas,

I'm strongly interested to this.
I have written a C++ softplc and I'm using it since about 10 years as a 
replacement of the usual PLC inside automatic machinery.
Everything works in userspace under LXRT and up to now I take the 
control of the machine trought a CanOpen PCI board.
I want to move everything on ethercat and exactly yesterday I started to 
write some code in order to have my usual softplc running in LXRT and an 
Ethercat agent (on a kernel module) which should manage the network 
without break the RT rules due to ioctls.

If you have a something to test, even if it is beta, I could be a tester 
for it.



Best regards,

Thomas Paoloni



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