Tom Jewell wrote:
> I couldn't understand why in fact RES was being requested.
It's the only way to check if it is supported.
> bLength13
> bDescriptorType36
> bDescriptorSubtype 6 (FEATURE_UNIT)
> bUnitID 5
> bS
On 03/23/2015 12:37 AM, Clemens Ladisch wrote:
Tom Jewell wrote:
I'm trying to debug some code that implements a feature unit in an
(incoming) USB device, based on an AT32UC3B1256 controller. The feature
unit contains only a volume control, for which the host requests and I
provide values for
Tom Jewell wrote:
> I'm trying to debug some code that implements a feature unit in an
> (incoming) USB device, based on an AT32UC3B1256 controller. The feature
> unit contains only a volume control, for which the host requests and I
> provide values for MAX, MIN, CUR, and RES. The host then trie