when dma transfer completed,is it need to reset dma memory address and datalength?

[gqhyuhuofei]

when dma transfer completed,is it need to reset dma memory address and data length? I can't find these code given above.

[MaJerle]

If you are in circular mode, them hardware takes care of that.

[gqhyuhuofei]

oh，I see it,thanks

[MaJerle]

It would be useless to have circular mode, if you have to set new values. This is then simple normal mode.

Hope it makes sense.