On Wed, 4 Apr 2018, [email protected] wrote:
Date: Wed, 04 Apr 2018 22:27:06 +0200
From: [email protected]
Reply-To: EMC developers <[email protected]>
To: [email protected], [email protected]
Subject: Re: [Emc-developers] RtNet rt-preempt
I am currently using a modified version of EMC with RTnet on Xenomai-3
and it works just fine. The latest patch to rtnet was on 2018-02-28, this
was about hardware timestamping in the ethernet mac for IEEE-1588 support.
regards,
Mark.
Interesting, does RT-Net now support more Ethernet MACs?
That was one of the reasons we dropped RT-Net/RTAI and moved to Preempt-RT
"Peter C. Wallace" <[email protected]> wrote:
On Wed, 4 Apr 2018, Alec Ari via Emc-developers wrote:
> Date: Wed, 4 Apr 2018 19:11:29 +0000 (UTC)
> From: Alec Ari via Emc-developers
<[email protected]>
> Reply-To: Alec Ari <[email protected]>,
> EMC developers <[email protected]>
> To: EMC developers <[email protected]>
> Cc: Alec Ari <[email protected]>
> Subject: Re: [Emc-developers] RtNet rt-preempt
>
> RTnet only really works on 2.6 kernels. There was some work done for
kernel 3.2 support but it wasn't usable. It's all EOL at this point and completely
useless, don't even think about RTnet anymore. Just use preempt-rt with POSIX
threads over the network. You will have the low-latency ethernet by using the
hm2_eth driver:
There was work being done on RT-Net for Xenomai, but unfortunately one
of the
main developers Gilles Chanteperdrix died in 2016 and I think it is
abandoned
at this point.
>
>
>
https://github.com/LinuxCNC/linuxcnc/blob/master/src/hal/drivers/mesa-hostmot2/hm2_eth.c
>
> For info on how to configure and use hm2_eth please use:
>
>
> $ man 9 hm2_eth
>
> Alec
>
>
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Peter Wallace
Mesa Electronics
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