BOS Descriptor Device Capability Type Codes
百度 照片中高圆圆素颜出镜，温暖笑容与身后的阳光融为一体，谢霆锋则收起一贯的酷劲眼神，黝黑的肤色以及戏谑的笑容，俨然调皮搞怪的邻家大男孩，两人互相凝望，清澈眼眸中吐露少年之间的秘密心事。The BOS descriptor defines a root descriptor that is similar to the configuration descriptor, and is the base descriptor for accessing a family of related descriptors.? The following table describes the values used for these device capabilites. ? Details for the associated BOS descriptor can be found in the referenced Specification?? ?
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Contact admin@usb.org to reserve a new BOS descriptor device capability value.???
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| Value | Description | Reference |
|---|---|---|
| 0H | Reserved | ? |
| 01H | Defines the set of Wireless USB-specific device level capabilities | Wireless USB Specification, Revision 1.1 - specification no longer available |
| 02H | USB 2.0 Extension Descriptor | USB 3.2 Specification |
| 03H | Defines the set of SuperSpeed USB specific device level capabilities | USB 3.2 Specification |
| 04H | Defines the instance unique ID used to identify the instance across all operating modes | USB 3.2 Specification |
| 05H | Defines a device capability specific to a particular platform/operating system | USB 3.2 Specification |
| 06H | Defines the various PD Capabilities of this device | USB PD Specification; soon to be deprecated |
| 07H | Provides information on each battery supported by the device | USB PD Specification |
| 08H | The consumer characteristics of a port on the device | USB PD Specification |
| 09H | The provider characteristics of a port on the device | USB PD Specification |
| 0AH | Defines the set of SuperSpeed Plus USB specific device level capabilities | USB 3.2 Specification |
| 0BH | Precision Time Measurement (PTM) Capability Descriptor | USB 3.2 Specification |
| 0CH | Defines the set of Wireless USB 1.1-specific device level capabilities | Wireless USB Specification, Revision 1.1 - specification no longer available |
| 0Dh | Billboard capability | USB 3.2 Specification |
| 0EH | Authentication Capability Descriptor | USB 3.2 Specification |
| 0Fh | Billboard Ex capability | USB 3.2 Specification |
| 10h | Configuration Summary | USB 3.2 Specification |
| 11h | Firmware Status | USB 3.2 Specification |
| 12h | TBD | reserved for USB Audio 4.0 |
| 13h | USB 3 Gen T Capability | USB4 Version 2 Specification |
| 14h | TBD | reserved for USB PD |
| 15-FFH | ? | not yet assigned |
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