cpia driver for microscope: any success?

Kevin Gordon kgordon420 at gmail.com
Sun Mar 6 19:26:05 EST 2011


I was not able to get that particular Intel microscope to work with Cheese
on my little Ubuntu 10.04 Lenovo either.  The Ubuntu folk told me that it
was not UVC compliant.  That it was CPIA instead of V4L didnt seem to
interest them.  Their support ceased at the "non-UVC" statement.  I am not
deep enough down in the terminology to confirm or deny the theory.  What I
can say is that neither guvcview nor cheese can 'see' that specific
microscope on non-customized F11/OLPC or Ubuntu 10.04.  Whether it could on
the customization suggested by Chris, I have not tested.



On Sun, Mar 6, 2011 at 6:15 PM, Chris Ball <cjb at laptop.org> wrote:

> Hi,
> On Sun, Mar 06 2011, Cherry Withers wrote:
> > Hi Folks,
> >
> > I'm starting to figure out that because the Intel QX3 microscope has an
> > CPiA chipset, it may not be supported by
> > cheese (which takes V4L/V2L devices) but needs a special cpia driver that
> > can be found in:
> > http://webcam.sourceforge.net/
> This is outdated information (site last updated in 2003!).  The drivers
> have been merged into the main Linux kernel now; it looks like you just
> need to turn on CONFIG_USB_GSPCA_CPIA1=m and build gspca_cpia1.ko from
> drivers/media/video/gspca/cpia1.c.
> Since our kernels already have CONFIG_USB_GSPCA=m, you can build this
> module without having to recompile your current kernel.
> - Chris.
> --
> Chris Ball   <cjb at laptop.org>   <http://printf.net/>
> One Laptop Per Child
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