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C6670 EDMA3 init和deinit



新手在看emda3-drv-bios6-c6670这个例程的时候,看见对edma3-instance做了两遍init和deinit,分别是sampleEdma3GblCfgParams[i].numRegions > 1的时候和

sampleEdma3GblCfgParams[i].numRegions == 1的时候,这是为什么呢?

还有些小问题,shadow region,API,driver handle分别是什么啊?找了好多都没找到他们的具体解释。