[Gta04-owner] Digital compass on gta04

Belisko Marek marek.belisko at gmail.com
Mon Apr 2 22:26:43 CEST 2012


On Mon, Apr 2, 2012 at 10:00 PM, Dr. H. Nikolaus Schaller
<hns at goldelico.com> wrote:
> Hi,
>
>
> Am 02.04.2012 um 21:52 schrieb Belisko Marek:
>
>> Hi,
>>
>> I'm checking if driver for digital compass is available in current kernel
>> and there is in staging/iio/magnetometer/hmc5843.c which must be
>> little bit adapted
>
> please (reuse) the one from the hw-validation kernel as much as possible
> since it works and already has been renamed to reflect the new HMC5883L chip:
Yes I can reuse. Just curious why in hw-validation kernel DRDY
(gpio112) isn't used
in driver code.
Data measurement takes 6ms so this is not so much but want to know if integrate
also interrupt handling or not.
>
> https://github.com/goldelico/gta04-kernel/blob/hw-validation/drivers/misc/hmc5883l.c
>
> BR,
> Nikolaus
>
>> (mainly get ability to read data upon interrupt from chip) and seems
>> to be feasible for gta04.
>>
>> Anybody working on that already?
>>
>> P.S.: Also planning to start working on fmtuner when fix problems with board ;)
>>
>> Thanks,
>>
>> marek
>>
>> --
>> as simple and primitive as possible
>> -------------------------------------------------
>> Marek Belisko - OPEN-NANDRA
>> Freelance Developer
>>
>> Ruska Nova Ves 219 | Presov, 08005 Slovak Republic
>> Tel: +421 915 052 184
>> skype: marekwhite
>> twitter: #opennandra
>> web: http://open-nandra.com
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>
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thanks,

marek

-- 
as simple and primitive as possible
-------------------------------------------------
Marek Belisko - OPEN-NANDRA
Freelance Developer

Ruska Nova Ves 219 | Presov, 08005 Slovak Republic
Tel: +421 915 052 184
skype: marekwhite
twitter: #opennandra
web: http://open-nandra.com


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