Re: Integrate camera interface of OMAP3530 in Angstrom Linux

[Laurent Pinchart <laurent.pinchart@ideasonboard.com>]

Hi Andreas,

On Thursday 06 September 2012 20:00:04 Andreas Nagel wrote:
> Hello,
> 
> I am using an embedded module called TAO-3530 from Technexion, which has
> an OMAP3530 processor.
> This processor has a camera interface, which is part of the ISP
> submodule. For an ongoing project I want to capture a video signal from
> this interface. After several days of excessive research I still don't
> know, how to access it.
> I configured the Angstrom kernel (2.6.32), so that the driver for OMAP 3
> camera controller (and all other OMAP 3 related things) is integrated,
> but I don't see any new device nodes in the filesystem.

You should upgrade to a much more recent kernel, as the driver for the OMAP3 
ISP included in the Angstrom 2.6.32 kernel is just bad legacy code that should 
be burried in a very deep cave.

> I also found some rumors, that the Media Controller Framework or driver
> provides the device node /dev/media0, but I was not able to install it.

You will need to upgrade your kernel for that. I'd advise going for the latest 
mainline kernel.

> I use OpenEmbedded, but I don't have a recipe for Media Controller. On
> the Angstrom website ( http://www.angstrom-distribution.org/repo/ )
> there's actually a package called "media-ctl", but due to the missing
> recipe, i can't install it. Can't say, I am an expert in OE.
> 
> Can you help me point out, what's necessary to make the camera interface
> accessible?

-- 
Regards,

Laurent Pinchart