描述 格式 注释 描述 A Collection item identifies a relationship between two or more data (Input, Output, or Feature.) For example, a mouse could be described as a collection of two t...
4.3.1.1 General Transfer Descriptor Format 4.3.1.2 General Transfer Descriptor Field Definitions Transfers for control, bulk, and interrupt all use the same format for their Tra...
笔记 An item is piece of information about the device. All items have a one-byte prefix that contains the item tag , item type , and item size . 一个“项”是描述设备的一段信息。所有项都有一个字节的前缀,其中包...