Re: OmniVision OV9655 camera chip via soc-camera interface

[Stefan Herbrechtsmeier <hbmeier@xxxxxxxxxxxxxxxxxxxx>]

Guennadi Liakhovetski schrieb:
> On Fri, 2 May 2008, Stefan Herbrechtsmeier wrote:
>
>   
> > Guennadi Liakhovetski schrieb:
> >     
> > > > 3. Add x_skip_left to soc_camera_device
> > > > The pxa_camera has to skip some pixel at the begin of each line if a HSYNC
> > > > signal is used.
> > > > (y_skip_top and x_skip_left can change with each format adjustment!)
> > > >     
> > > >         
> > > How and why shall they change?
> > >   
> > >       
> > They shall change to support both signal types and to make the names and
> > function clear. The OmniVision chips
> > support both types and you can configure the VSYNC pin. At the moment I used
> > SOCAM_HSYNC_*
> > but configure the chip to use HREF to work without pixel skipping.
> >     
>
> Sorry, I mean why y_skip_top and x_skip_left shall change?
>
>   
At the time I used VSYNC (without x_skip_left) I have different number 
of empty pixels
at the begin of each line for different resolutions. But I haven't 
really evaluate this.

Regards
   Stefan

--
Dipl.-Ing. Stefan Herbrechtsmeier

Heinz Nixdorf Institute
University of Paderborn 
System and Circuit Technology 
Fürstenallee 11
D-33102 Paderborn (Germany)

office : F0.415
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mailto : hbmeier@xxxxxxxxxx

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