On 03/08/2013 11:17 AM, Jerome Poncin wrote:
> Le 07/03/2013 16:33, Jerome Poncin a écrit :
>> Le 06/03/2013 22:05, Gilles Chanteperdrix a écrit :
>>> On 03/06/2013 04:28 PM, Jan Kiszka wrote:
>>>
>>>> Also here: Do not misuse write(), define an IOCTL that contains
>>>> something like "MMAP" and another one with MUNMAP in its name - that's
>>>> the purpose of this service, no?
>>>
>>> A lot of drivers probably have to reinvent a way to pass all the
>>> parameters for an mmap, why not adding an "mmap" method to RTDM drivers?
>>>
>>>
>> Hello,
>>
>> I re factored my code with all your remarks (I think and I hope).
>>
>> Could you say me if it's correct now ?
>>
>> Jan, you're right, It's possible to use Xenomai with UIO driver, but I
>> would like to use more real time possibilities of Xenomai in future
>> (like IRQ).
>> My first goal is to have a code compliant.
>> I added IRQ, and my next step will be to understand why the kernel
>> crash after IRQ registration.
>>
>> Thank you for your help,
>>
>> Jerome
>>
>>
>>
> Hello,
>
> I have good news because, I arrived to validated driver with IRQ
> support. I changed position of cifx on my motherboard in my PC and the
> IRQ affected is not shared ;-) !
>
> I have now a question about IRQ. What is the good method to signal to
> user-land that there is an IRQ. Is there an example ?
Almost every "read" call is an example... ;-)
--
Gilles.
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