This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.
如何使用UART+DMA接收不定长的数据,或者说有没有串口接收空闲中断的功能?
能具体说一下需求吗?
首先,我想用UART+DMA的方式来接收一帧数据,但要接收的这一帧数据的长度并不是固定的。
UART针对DMA有一个超时的Trigger