The hardware design process for USB Interface Data Collecting System is introduced here, the developing of Firmware is discussed in detail, and the procedure of developing device drivers in WDM models via DDK is also given to the readers.

• 文中详细的阐述了USB接口硬件电路的设计过程、固件程序的实现、驱动程序的设计方法、用户态程序的实现，以及硬件电路中MCS51系列单片机与Philips公司的PDIUSBD12芯片协同工作方法。 固件程序依据USB协议来完成对采集数据的打包，以及解析来自主机的命令。