两片之间MCBSP通过DMA方式通信,A芯片配置为MCBSP发送,B芯片配置为接收时数据收发无任何错误。但是A芯片DMA配置两通道,分别实现接收发送数据,B芯片也与A同样配置,然后AB之间通信。通信过程中发现任何一个芯片接收到的数据偶尔都会出现错误,并且出错的概率挺高。DMA两通道配置如下附件,请问专家到底是什么问题??
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