[Nut-upsdev] Re: [Nut-upsuser] Ablerex 625L USB version

[Peter Selinger]

Whatever is a "Set Idle" HID request? I don't remember having heard of
it, but then again, the HID specification has not been my bedtime
reading lately :) -- Peter

Charles Lepple wrote:
> 
> On 1/30/07, Peter Selinger <selinger at mathstat.dal.ca> wrote:
> > This looks buggy to me. Did anything else happen after "Waiting for
> > notifications..."? Like, for example, did the device receive any data
> > notifications? This could happen infrequently, like once per
> > minute. But there is a chance that the device would send correct data
> > voluntarily (on the interrupt pipeline), whereas it is apparently
> > sending incorrect data when asked for it.
> 
> Peter,
> 
> I just did a quick search, and it doesn't appear that usbhid-ups does
> a 'Set Idle' HID request anywhere. Could it be that the device is
> waiting for that before it starts sending back interrupt pipe ACK
> packets? IIRC, Windows does a 'Set Idle(0)' request when devices are
> plugged in, then the userspace program is free to send a non-zero
> value.
> 
> -- 
> - Charles Lepple
>