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echo: rberrypi
to: NEV YOUNG
from: CHRIS ELVIDGE
date: 2020-06-10 16:36:00
subject: Re: It`s all gone purple

On 10/06/2020 04:14 pm, nev young wrote:
> On 09/06/2020 12:12, nev young wrote:
>> Last year there was an update to the raspi camera driver that was
>> needed to support the pi4.
>>
>> Unfortunately it broke the v4l2 driver (bm2835 mmal) on the pi zero
>> resulting in infra red light images changing from grey to purple.
>>
>> A long and fruitless discussion with the guys at pi towers ended when
>> they said that as I wasn't using raspistill or raspivid it was just
>> tough.
>>
>> I did find a workround that enabled a grey image that used "vcdbg set
>> awb_mode 0". I inserted this in the file /etc/init.d/motion and I got
>> back to greyscale images.
>>
>> However I've just installed the latest rasbian
>> (2020-05-27-raspios-buster-lite-armhf.img) and now the vcdbg command
>> breaks the v4l driver completely. So I'm stuck once more with purple
>> images.
>>
>> I'm using the latest version of motion from the raspbian repository
>> (4.1.1-1.1+b2)
>>
>> Has any one here had this problem and found a solution?
>> I really am losing the will to live trying to keep my "wildlife
>> garden" cameras working.
>>
>
> I know it's bad form to follow-up one's own post but help from another
> group has sorted this problem for me.
>
> Thanks for looking.
>

Fantastic!
But bad form to say you've solved the problem, but not saying how.
If I may, what was the solution?


--

Chris Elvidge, England

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