Re: [beagleboard] [PATCH v5 2/2] Add support for mt9p031 (LI-5M03 module) in Beagleboard xM.

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Op 31 mei 2011, om 16:09 heeft Guennadi Liakhovetski het volgende geschreven:

> On Tue, 31 May 2011, Koen Kooi wrote:
> 
>> 
>> Op 31 mei 2011, om 15:42 heeft javier Martin het volgende geschreven:
>> 
>>> On 31 May 2011 15:34, Koen Kooi <koen@xxxxxxxxxxxxxxx> wrote:
>>>> root@beagleboardxMC:~# yavta -f SGRBG8 -s 320x240 -n 4 --capture=10 --skip 3 -F `media-ctl -e "OMAP3 ISP CCDC output"`
>>>> Device /dev/video2 opened.
>>>> Device `OMAP3 ISP CCDC output' on `media' is a video capture device.
>>>> Video format set: SGRBG8 (47425247) 320x240 buffer size 76800
>>>> Video format: SGRBG8 (47425247) 320x240 buffer size 76800
>>>> 4 buffers requested.
>>>> length: 76800 offset: 0
>>>> Buffer 0 mapped at address 0x402cf000.
>>>> length: 76800 offset: 77824
>>>> Buffer 1 mapped at address 0x402fe000.
>>>> length: 76800 offset: 155648
>>>> Buffer 2 mapped at address 0x40362000.
>>>> length: 76800 offset: 233472
>>>> Buffer 3 mapped at address 0x40416000.
>>>> 0 (0) [-] 4294967295 76800 bytes 167.403289 1306829219.931121 0.002 fps
>>>> 1 (1) [-] 4294967295 76800 bytes 167.633148 1306829220.160980 4.350 fps
>>>> 2 (2) [-] 4294967295 76800 bytes 167.744506 1306829220.272308 8.980 fps
>>>> 3 (3) [-] 4294967295 76800 bytes 167.855865 1306829220.383667 8.980 fps
>>>> 4 (0) [-] 4294967295 76800 bytes 167.967193 1306829220.495025 8.982 fps
>>>> 5 (1) [-] 4294967295 76800 bytes 168.078552 1306829220.606384 8.980 fps
>>>> 6 (2) [-] 4294967295 76800 bytes 168.189910 1306829220.717742 8.980 fps
>>>> 7 (3) [-] 4294967295 76800 bytes 168.301269 1306829220.829071 8.980 fps
>>>> 8 (0) [-] 4294967295 76800 bytes 168.412597 1306829220.940429 8.982 fps
>>>> 9 (1) [-] 4294967295 76800 bytes 168.523956 1306829221.051788 8.980 fps
>>>> Captured 10 frames in 1.254212 seconds (7.973134 fps, 612336.670356 B/s).
>>>> 4 buffers released.
>>>> 
>>>> So that seems to be working! I haven't checked the frames yet, but is isn't throwing ISP errors anymore.
>>> 
>>> Great!
>>> Do you have a monochrome version of the same sensor?
>> 
>> I think I only have the colour version, I got it with my leopard355 board way back. 
>> 
>> So what can I do with an unpatched mediactl and unpatched yavta? Is it 
>> already possible to point something like mplayer or gstreamer to a v4l2 
>> node and see something? I lost the track of which patch goes where :)
> 
> If you're a lucky owner of an LCD on your bb-xM;) you might be able to do 
> something similar, to what's described here
> 
> http://download.open-technology.de/BeagleBoard_xM-MT9P031/BBxM-MT9P031.txt
> 
> but both yavta and mplayer on the board, while short-circuiting the 
> network;) I.e., pipe yavta output directly to mplayer.

I tried that and I can say that shining a light into the sensor changes the picture on the screen, but that's about it.  Which part needs changing (subdev, isp, mt9p031, beagle-camera, etc) to enable 'standard' access? E.g. opening cheese in gnome.

regards,

Koen--
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