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EDMA+MCBSP 发送问题



大家好!

我们使用外部中断的EVENT触发EDMA给MCBSP1发送数据,我们的设计中希望每次外部中断能够触发2次MCBSP的数据发送(目标设备需要两个frame sync)

但是目前每次外部中断来了后EDMA只能发送一个frame

请问如何配置才能让mcbsp发送两次frame呢?谢谢