hi,everyone:
假设 bufA 拷贝到bufB 。大小都是100。
用EDMA3拷贝 用A sync同步方式
acnt = 100;bcnt = 1; ccnt =1 ;
srcbidx = 0, srccidx = 0;
dstbidx = 0, dstcidx = 0;
不知道这样拷贝为什么不成功?bufB中的数据和bufA中的数据对不上?
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.
Armstrong 说:开了cache的
1.如果是DDR-》DDR的数据搬移,能否关闭cache,或者对源数据赋值后invalid一下?
2. 或者把源和目的地址都改到L2 RAM