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
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