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.
EDMA的数据能传输，但是接收缓冲区不能读写操作，只要操作了，缓冲区就不能更新数据了，请问是怎么回事啊？？？
应该是没有做Cache操作吧，所以CPU访问的是Cache的数据，而不是EDMA buffer更新的数据。
