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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