嵌入式Linux下ARM处理器与DSP的数据通信

Data communication between ARM and DSP in embedded Linux environment

本文通过一个开发实例详细说明如何通过DSP的HPI接口与运行Linux操作系统的ARM架构处理器进行数据通信。给出接口部分的实际电路和ARM-Linux下驱动程序的开发过程。

Data Communication between ARM and DSP in embedded Linux environment via HPI interface is presented in this paper and an example is given. The circuit of interface and the HPI device drivers are also provided.