There is another similar example at
https://www.leopardimaging.com/HD_Camera_Board.html.
Albert
On Thu, Apr 17, 2008 at 8:29 AM, Chris Stillson <[EMAIL PROTECTED]> wrote:
> dvsdk_1_30_00_23/PSP_01_20_00_004_1/examples/DM355/CCDCLoopback/Source
>
> good luck
> C
>
> On Thu, Apr 17, 2008 at 8:10 AM, Stephen Berry <[EMAIL PROTECTED]> wrote:
> >
> > According to the IPIPE docs, you can turn on a bypass mode and it will
> not
> > convert the input stream. Theoretically if all you have "on" in the
> pipeline
> > is the resizer, then you should be able to get bayer out.
> >
> > The code below was part of the kernel IPIPE, I didn't write it, I just
> know
> > that it doesn't work!
> >
> > Where can I find the ccdc_loopback app you are talking about? I'd like
> to
> > take a look at that for some hints...
> >
> > Thanks,
> >
> > Steve
> >
> >
> >
> > Chris Stillson wrote:
> > 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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> >
> >
> >
> >
> >
> >
> >
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>
> --
> Chris
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