Re: silly libusbhid question

On Wednesday 08 September 2010 20:57:50 Maksim Yevmenkin wrote:
> hello,
> 
> [trying current_at_ first to get wider audience :)]
> 
> so, i have a somewhat silly question about libusbhid. please consider
> the following code
> 
> hid_data_t      d;
> hid_item_t      h;
> 
> for (d = hid_start_parse(desc, 1 << hid_input, -1); hid_get_item(d, &h) >
> 0; ) { ...
> }
> hid_end_parse(d);
> 
> the idea is/was to parse and iterate over hid descriptor desc in a
> such a way that only "hid_input" items are returned. as it turns out,
> this code will also pick up "hid_collection" items as well, i.e.
> "h.kind" is set to "hid_collection". is this a bug or a feature?
> 
> thanks,
> max

In kernel and userspace this is currently a feature in the HID libraries.

--HPS