Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
21 years ago

Nios DMA problem

Hi, I have a DMA problem. I use Nios 3.1, QuartusII 4.0, and APEX20K. When I use DMA to transfer 10 data. I need to know when the DMA start and end its transfer. I mean the start and the ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
21 years ago

Hello!

Did you already solve this problem?

I don't think that a extract clock can be found when DMA finished or started once if you use nios'

software to control the DMA because the software running can't be accurate like hardware.

I have an idea that you'll design a hardware port directly handling DMA control slave port. Then you

can attain clock time when DMA start or finish.

regards!