Re: [Xenomai-help] Three questions about RTDM

[Jan Kiszka <jan.kiszka@domain.hid>]

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Alessio Igor Bogani wrote:
> Hi Jan,
> 
> Thank for your reply.
> 
> [...]
>>> 1) Where may I find a more detailed documentation about RTDM? 
>> More detailed than what? Have you already discovered the online docs on
>> www.xenomai.org?
> 
> Yes i have already discovered online docs.
> IMVHO API Reference is indispensable but not sufficient.
> I would be very happy to see for RTDM something similar to Xenomai's
> Native-API-Tour.

Would be nice - just takes /someone/ to write it... :-/

Maybe this paper can provide a few further hints meanwhile:

ftp://ftp.realtimelinuxfoundation.org/pub/events/rtlws-2005/JanKiszka.pdf

> 
>>> 2) Now I'm attempting to write a simple device driver with RTDM: Can
>>> someone show me a standard GNUMakefile/Makefile to compile it?
>> Take a look at the heartbeat example on
>>
>> www.rts.uni-hannover.de/mitarbeiter/kiszka/rtaddon
>>
>> This works for 2.6 kernels and Xenomai 2.0.x. I still need to update it
>> for Xenomai 2.1, where compilation melts down to simple out-of-tree
>> kernel module generation. Does anyone else here have a generic Makefile
>> for all kernel and Xenomai versions at hand?
> 
> Google is a great friend. ;-)
> 
> I have already seen heartbeat example.
> Mysteriously heartbeat.ko module resulted is dependent from
> latency_rt.ko module (present in testsuite\klatency in Xenomai package)
> for a reason that i don't understand. :-(
> How can resolve this problem?

Due to which symbol? Which Xenomai version precisely? Indeed very
strange. Something must be broken in your build.

> 
> Thank you very much!
> 
> Bye,
> Alessio
> 

Jan


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