包含了USB开发用到的所有协议 USB Specification Rev1.1 USB pecification Rev2.0 USB SBUS HOUND 使用说明书.PDF Device Class Definition for HID 1.11 .pdf FAT32 File System Specification v1.0 PDIUSBD12_PHILIPS.PDF3.pdf USB Class Definitions for Communication

The Human Interface Device protocol was first defined for USB attached input devices (e.g. keyboards, mice, remote controls, buttons, etc.). The protocol itself is bus agnostic and has been ported across other transports, including Bluetooth™ and oth