pwc
[Top] [All Lists]

[pwc] Re: Webcam button

To:
Subject: [pwc] Re: Webcam button
From: Andrew Cavers <>
Date: Fri, 22 Jul 2005 15:50:46 +0100
Patrik,

Yes - I plan to use the button to invoke a callibration function and
the device will be open at the time. I really hope you can come up
with a workable solution to this one!

Look forward to hearing of any progress!

Andrew.

On 7/22/05, Patrik Jakobsson <> wrote:
> Hi again,
> I've gotten the snapshot button to work with my PCVC840K (type 740)
> webcam. The button status data is embedded in the frames recieved from
> the camera so you can only get the button status when the device is
> open. There seems to be an option implemented in the driver to open the
> device in "snapshot mode". Im not sure how this works so I need to look
> some more at the driver. You wanted to use the button for invoking a
> calibration function right? Is this when the device is opened or closed?
> 
> Andrew Cavers wrote:
> 
> >Patrik,
> >
> >You're right - I believe the Quickcam 4000 is a type 740. Do you know
> >why that code is only available to type 730 cameras?
> >
> >I would really like to gain access to the button on my camera. As i'm
> >no programmer myself, I'd be willing to contribute by offering a small
> >bounty ($40/€30/£20 payable by Paypal?) to somebody who could
> >implement this code. An implementation similar to that on the driver
> >for ov511 cameras would be ideal - ie. the value of
> >/proc/video/ov511/<minor#>/button changes from 0 to 1 when the button
> >is pressed, and reverts to 0 when the file has been read.
> >
> >Andrew.
> >
> >On 7/21/05, Patrik Jakobsson <> wrote:
> >
> >
> >>Hi Andrew,
> >>I might be wrong but... you seem to have a type 740 camera and that
> >>piece of code is only available to 730 cameras.
> >>
> >>    --Patrik Jakobsson
> >>
> >>
> >>
> >
> >
> >
> >
> 
> 


-- 
--
Andrew Cavers

www.mution.com
_______________________________________________
pwc mailing list

http://lists.saillard.org/mailman/listinfo/pwc
<Prev in Thread] Current Thread [Next in Thread>
Admin

Disclaimer: Neither Andrew Taylor nor the University of NSW School of Computer and Engineering take any responsibility for the contents of this archive. It is purely a compilation of material sent by many people to the birding-aus mailing list. It has not been checked for accuracy nor its content verified in any way. If you wish to get material removed from the archive or have other queries about the archive e-mail Andrew Taylor at this address: andrewt@cse.unsw.EDU.AU