User Space GPIO Interrupt programming - GSoC-2018

[Vladimir]

It would be nice if you share you code, especially if it simpler.

2020-11-24 23:56, Oskar Holmlund via freebsd-arm пишет:
>  
>> Den tisdag 24 november 2020 21:14:58 CET, Dr. Rolf Jansen <freebsd-rj at obsigna.com> skrev:
>>
>>
>> Hello
>>
>> Has anything of the GSoC-2018 efforts made it into the current code base?
>>
>> https://wiki.freebsd.org/SummerOfCode2018Projects/UserSpaceGPIOinterrupts
>>
>> I installed the recent 13.0-CURRENT snapshot (2020-11-19) on a BeagleBone Black which was one of the implementation targets of said 
>> project, but when running the test tools, I either see cannot read/kevent/poll/aio_read - Operation not supported by device or Inappropriate 
>> ioctl for device.
>>
>> Perhaps I need to pull the project’s changes into the kernel by myself. However, before this I would like to ask whether it is worth the effort.
>>
>> Please, can anyone shed some light on this.
>>
>> Best regards
>>
>> Rolf
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> 
> Hi Rolf,
> 
> I dont have any details about the GSOC.
> But the code is not in base.
> 
> I have written a similar driver for my needs. It is much simpler and provides a notification to userland through kqueue events in the event of a change and counts the number of changes that have taken place over time.
> I can share the code if you want.
> 
> //Oskar  
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> 


-- 
With best regards,
Vladimir Goncharov