基于VC的USB接口通信程序设计，　本文研发了一套基于USB接口的数据采集系统，整个系统的设计涉及到硬件、设备固件(Firmware)、USB设备驱动程序及客户应用软件。-VC-based communication program of the USB interface design, this article developed a set of USB-based data acquisition system, the entire system design related to h