Re: Problem with c-qcam
Philip Blundell (Philip.Blundell@pobox.com)
Fri, 02 Jul 1999 18:39:06 +0100
>In fact, our problem is here at qc_detect():
>
> ostat = stat = parport_read_status(qcam->pport);
> for (i=0; i<250; i++)
> {
> mdelay(1);
>
>it enters the loop, but every time it reads the port it gets the same value
>as the previous read, which does not seem to be the expected behavior, so
>it finally returns "error".
You could try increasing the mdelay() value. The theory is that the camera
provides a "heartbeat" by flipping some bits at a rate of a few Hz.
p.
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