USB: HID

Specification

Device Class Definition for Human Interface Devices (HID) Version 1.11

Appendix G: HID Request Support Requirements

The following table enumerates the requests that need to be supported by various types of HID class devices.

Device type	Get Report	Set Report[1]	Get Idle	Set Idle	Get Protocol	Set Protocol
Boot Mouse	Required	Optional	Optional	Optional	Required	Required
Non-Boot Mouse	Required	Optional	Optional	Optional	Optional	Optional
Boot Keyboard	Required	Optional	Required	Required	Required	Required
Non-Boot Keyboard	Required	Optional	Required	Required	Optional	Optional
Other Device	Required	Optional	Optional	Optional	Optional	Optional

[1] If a device declares an Output report then support for SetReport(Output) request is required. If an Ouput report is defined, declaration of an Interrupt Out endpoint is optional, however operating systems that do not support HID Interrupt Out endpoints will route all Output reports through the control endpoint using a SetReport(Output) request.