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On 8/22/06, andreas.sumper@×××××××××.at <andreas.sumper@×××××××××.at> wrote: |
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> This is some sort of offtopic, but I guess this is the best point to ask. |
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> I have an embedded system running linux. I need to access some special |
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> registers (e.g. containing the clock cycles, ...) So I managed to write a |
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> very simple module, which is able to access the registers. But what makes me |
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> worrying now, is the way, I have to get the data into my user-space |
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> application. Is there some documentation, concerning writing device drivers |
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> and accessing them from the user space anywhere? I found some documentation, |
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> but either I did not understand the part about getting data from kernel |
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> space into user space, or it was just simply missing. |
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> |
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|
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Check the Linux Journal on Miscellaneous Character Devices. There's |
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an article there you can use to base your work on. |
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-- |
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Kelly "STrRedWolf" Price |
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http://strredwolf.furrynet.com |
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-- |
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