Alfred Perlstein wrote:

> Ok, I'm stumped.
>
> It seems like everything works ok (device open/ioctl/etc) the first
> two times I open the device, after that the device starts timeing
> out on requests.
>
> Any suggestions for debugging this?

Do you have access to a USB protocol analyzer?

There are some weird scanner devices that don't reset the data
toggle when you perform a CLEAR STALL (which open does),
so then you can get out of sync.  That's the only thing I can think
of.


--

        -- Lennart