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EDMA的link传输问题?



TI专家们:

           硬件平台:C6678,软件平台:CCS5.5

           请教一个问题,在调试EDMA的link功能时,有个疑惑,源是ping pong 双buf,目的是一个buf,使用link功能来搬移数据,

           两个parms ram都配置好了,采用手动触发ESR,当ping数据搬移完成后,EDMA如何启动pong数据传输,是需要再次手动触发

           ESR寄存器吗?还是EDMA自动触发pong数据传输了?