请问,
OMAPL138中的 McBSP事件与DEMA的通道是怎么映射的,即McBSP触发了哪个DMA通道的动作?
另外,McBSP的发射和接收都用FIFO,读和写的地址是一样的吗?地址是怎么管理的?
谢谢!
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.
Dr. Qu 说:在使用EDMA的AB-synchronized模式发送时,BCNT=1时没有问题,BCNT取其他数时,CPU启动一次EMDA后,数据搬移正确,但MCBSP的DRR就不更新数值了,请问会是什么原因?
in AB sync mode, one event trigger A*B transimit. But DDR is only one word(A_CNT). when use DRR, you can only use A-sync. can use AB-sync when use FIFO.