车道收费系统中USB接口通信卡的设计

Design of an I/O Communication Card Based Upon USB Interface Technology and Its Application in Roadway Charge System

带USB接口的设备使用方便,发展迅速,文章结合高速公路车道收费系统中的实际问题,详细介绍了设计一个USB接口通信卡的过程,包括电路设计、器件选择、固件设计、驱动程序及其应用程序设计。

A device with USB interface is convenient to use and USB technology develops rapidly. This paper combines the actual problems i roadway charge system with USB technology and introduces the process of designing a USB interface card, including designing circuit, choosin components,designing device driver and application program.