信号检测与处理实验平台的USB通信接口设计

Design of USB interface for signal measurement and processing experimental platform

通用串行总线(USB)具有即插即用、扩展方便和传输速度快等优点。为了实现方便快速的数据采集与实时控制,在基于DSP的信号检测与处理实验平台上设计以ISP1581为接口芯片的USB通信接口。设计了硬件电路,并编写了固件程序、应用程序、驱动程序以及上位机软件。测试结果表明,实验平台通过USB接口实现了传感器数据采集与电机控制,且运行快速稳定。

Universal Serial Bus（USB） has many advantages such as plug and play,easy extensibility and high data rate.In order to achieve fast data acquisition and real-time control,the USB interface based on ISP1581 has been designed for signal measurement and processing experimental platform.The hardware circuit is designed.The firmware,the application program,the driver program and the host computer are developed.Experiment results show that the platform implements the data acquisition and real-time motor control via USB interface with high speed and better stability.