A device descriptor describes general information about a USB device. It includes information that applies globally to the device and all of the device’s configurations. A USB dev...
Preceding descriptors are illustrated by flowchart items that represent tables of information. Each table of information can be thought of as a block of data. 前述描述符以流程图项目形式展示,这些...
An interface descriptor never includes endpoint zero in the number of endpoints. Table 9-9 shows the standard interface descriptor. 9.6.3 InterfaceThis descriptor describes a spe...