通过链路口实现DMA数据传输，DMA控制器向内核发送DMA中断，本程序用来测试DMA中断是在接收完成后还是接收开始时产生。-Achieved through DMA data transfer chain junction, DMA controller DMA interrupt sent to the kernel, the procedure used to test DMA completion interrupt is received or received in the begin

tms320f28335 DMA 测试程序-tms320f28335 DMA test program