描述 格式 注释 描述 The short item format packs the item size, type, and tag into the first byte. The first byte may be followed by 0, 1, 2, or 4 optional data bytes depending on the...
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...
There are four data transfer types defined in USB. Each type is optimized to match the service requirements between the client software and the USB device. The four types are:· In...