>From what I can tell, the IPIPE doesn't give you raw bayer frames. It
will only give you YUV422 (or maybe YCbCr422). We've managed to get
the ccdc_loopback application working with an in-house made camera
head. I don't quite get the code you've written, but it is possible.
c
On Thu, Apr 17, 2008 at 7:40 AM, Stephen Berry <[EMAIL PROTECTED]> wrote:
>
> I've been spending a lot of time in the past couple of weeks trying to get
> a CMOS sensor integrated into the DM355 IPIPE code. WIth little to no
> success.
>
> There isn't any example user space application code that works (yet)
> according to TI even for the MT9P001 drivers in the kernel. So I borrowed
> one that was written for the 6446 (a previewer application that took sensor
> data and ran it throught the 6446 previewer driver (and equivilent to the
> 355 IPIPE?) and displayed it on the NTSC output DAC)
>
> Is there anyone familiar with the DM355 IPIPE that I can ask questions of?
>
> Like for example:
>
> When I call the IPIPE driver the first time everything appears to work
> (even though the resultant image is junk), but the second call get's stuck
> in the dm355_ipipe.c code:
>
> regw_ip(0xff, IRQ_EN);
> while(1){
> printk("ipen ");
> utemp = regr_ip(IPIPE_EN);
> if(utemp == 0) break;
> }
> To get past this I can to comment out the while loop (and there is another
> one just after it too that hangs).
>
> Reading the IPIPE spec seems to indicate that putting the IPIPE in
> continuous streaming mode will not toggle the IPIPE_EN bit, so this while
> will never complete. BUT putting it into one-shot mode doesn't change
> anything either !
>
> What I would really like to do to start is to capture a raw bayer frame
> from the sensor. I have some conversion code that I can run externally to
> see what it is that I'm getting to verify that the sensor is working
> correctly.
>
> I can provide more details if anyone is interested in helping...
>
> Thanks,
>
> Steve Berry
> _______________________________________________
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>
--
Chris
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