描述 格式 注释 笔记 描述 Main items are used to either define or group certain types of data fields within a Report descriptor. There are two types of Main items: data and non-data. D...

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...

描述 格式 笔记 局部项 描述 Local item tags define characteristics of controls. These items do not carry over to the next Main item. If a Main item defines more than one control, it m...