McBSP 作为 slave 使用时,无论 Receive Control Register (RCR) 中的 RFRLEN1 配置为多少,接收的总是 1 个 word。不知道有什么解决办法?
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你好,
你使用CPU去读,还是EDMA去搬的?默认驱动应该支持的就是Mcbsp做从的模式。