OV511 based webcam and webcamd
Marc Fonvieille
blackend at freebsd.org
Tue Apr 21 07:07:05 UTC 2020
On 13.04.2020 15:04, Marc Fonvieille wrote:
> Hans,
>
> I have several questions:
>
> - The fact it's a USB 1.0 device, can it be a problem?
>
> - When plugged, /dev/usb/0.3.0 is created and linked to /dev/ugen0.3.
> /dev/usb/0.3.1 is also created. I assume it's Endpoint 1, but I don't
> have any /dev/ugen0.3.1 is it normal?
>
> - If I try to read data from /dev/usb/0.3.1, I get
>
> kernel: ugen_isoc_read_callback: actlen=0, aframes=0
> syslogd: last message repeated 1 times
> kernel: ugen0.3: <vendor 0x05a9 product 0xa511> at usbus0 (disconnected)
>
> For that, I quickly updated old vid program
> (http://ovtvid-bsd.sourceforge.net/) used on 4.11 for 12.1 (see
> https://people.freebsd.org/~blackend/usb/vid.c). I get the same
> behavoir as with webcamd, i.e., all configuration settings via the
> control endpoint are accepted, once the program tries to get video
> data it fails (the device is disconnected).
>
Hello,
Do you have some ideas or ways to track down the problem more further?
Could you check https://people.freebsd.org/~blackend/usb/vid.c and tell
me if I did something wrong?
--
Marc
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