[etherlab-users] Using Etherlab on a Xenomai system

Mon Jun 4 14:00:49 CEST 2012

Hi Andreas,

Were now thinking of making an Xenomai user-space application that
directly uses the EtherCAT Master module.

To access the process data we want to integrate the PdServ library. Will
this work under Xenomai?

Thanks

Dirk

From: Andreas Stewering-Bone [mailto:ab at igh-essen.com]
Sent: vrijdag 1 juni 2012 12:15
To: Dirk.Castelijns at tass.nl
Subject: Re: [etherlab-users] Using Etherlab on a Xenomai system

Hello Dirk,

for only EtherCAT this will work of course. Please have a look at the
devel branch.
There is experimental  support for rtdm in userspace.

I think the RTAI skin is not supported for future versions of xenomai, but
i do not know exactly.

EtherLAB <=1.3 is prepared for kernal space usage. Xenomai does not like
the Kernel mode.

Andreas

Am 01.06.2012 12:00, schrieb Dirk Castelijns:

Hi Andreas,

Thanks for the response.

We dont really have a special need for a dual kernel system. Its more
like a constraint.

We are adding EtherCAT functionality to our customers system which is
Xenomai based.

I have read at different places that Xenomai supports an RTAI skin.
Shouldnt this work with Etherlab?

Dirk

From: etherlab-users-bounces at etherlab.org
[mailto:etherlab-users-bounces at etherlab.org] On Behalf Of Andreas
Stewering-Bone
Sent: vrijdag 1 juni 2012 9:42
To: etherlab-users at etherlab.org
Subject: Re: [etherlab-users] Using Etherlab on a Xenomai system

Hello

EtherLab <= 1.3 will not run under xenomai, because it is prepared for
kernel space usage. But Xenomai has no math libraries for kernel space. So
there is no chance.

Do you have a special need to use a dual kernel system.?

If not you can use the actual devel branch of etherlab >=2.0 which uses a
preempt-rt kernel.

Best regards

Andreas

Am 31.05.2012 17:11, schrieb Dirk Castelijns:

Hi,

Im a little bit confused about the RTAI / Xenomai compatibility of
Etherlab. Hopefully someone

can help me with this.

We have a Xenomai system where we want to add EtherCAT functionality. For
this I want to

use the EtherCAT Master software and the Etherlab software together with
Simulink RTW/Coder.

Installing the EtherCAT Master software was no problem. Etherlab requires
RTAI sources and

a kernel patched for RTAI but our kernel is already patched for Xenomai,
so is this going to work?

Thanks.

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Mit freundlichem Gruß

Andreas Stewering-Bone

--
------------------------------------------------------------------------

Dipl.-Ing.(FH) Andreas Stewering-Bone
andreas.stewering-bone at igh-essen.com
Tel.: +49 201 / 36014-15

Ingenieurgemeinschaft IgH
Gesellschaft für Ingenieurleistungen mbH
Heinz-Bäcker-Str. 34
D-45356 Essen
Amtsgericht Essen HRB 11500
USt-Id.-Nr.: DE 174 626 722
Geschäftsführung:
- Dr.-Ing. S. Rotthäuser,
- Dr.-Ing. T. Finke,
- Dr.-Ing. W. Hagemeister
Tel.: +49 201 / 360-14-0
http://www.igh-essen.com

------------------------------------------------------------------------

Mit freundlichem Gruß

Andreas Stewering-Bone

--
------------------------------------------------------------------------

Dipl.-Ing.(FH) Andreas Stewering-Bone
andreas.stewering-bone at igh-essen.com
Tel.: +49 201 / 36014-15

Ingenieurgemeinschaft IgH
Gesellschaft für Ingenieurleistungen mbH
Heinz-Bäcker-Str. 34
D-45356 Essen
Amtsgericht Essen HRB 11500
USt-Id.-Nr.: DE 174 626 722
Geschäftsführung:
- Dr.-Ing. S. Rotthäuser,
- Dr.-Ing. T. Finke,
- Dr.-Ing. W. Hagemeister
Tel.: +49 201 / 360-14-0
http://www.igh-essen.com

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