Re: [Xenomai-help] rtdm_iomap_to_user question

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

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Zhang, Haobo wrote:
> Hi,
> 
> I am currently working on a project which is running on a PowerPC
> platform. In my rtdm driver, I use "rtdm_iomap_to_user" to map a few I/O
> memory locations to be accessed from my application. All the function
> calls seem to work (no error code returned). But my application fails to
> use these pointers to manipulate any I/O. Is there any restrictions I
> have to be aware in order to use those mapped I/O mem? I am new to
> xenomai. I would really appreciate any help to this. 

Maybe you can post code or relevant code snippets so that we can have a
look. As I personally haven't work with this particular service yet, I
put Stelian in CC who contributed it and might already have some
suggestion. But, again, code talks much more.

Jan


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