本源代码实现的功能是对DSP6713的EDMA初始化，并开辟了内存空间实现了EDMA的PONG-PING操作。-Source code implementation of the function is the DSP6713 s EDMA initialization, and open up the memory space to achieve the EDMA s PONG-PING operation.

DSP2812 网络通信ping源代码，可直接编译运行。-DSP2812 network communication ping source code can be directly run the compiler.