Forum Discussion

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

Urgent: Dma

I have problem with DMA. I have lost idea of how to debug anymore. My DMA Controller setting in SOPC is Width of the DMA Register Length is set to 32bit and the rest is left at default. However, m...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Either your DMA does not finish for some reason, or your txrxDone callback is not called.

Have you tried replacing the while(!txrxDone); line with a sleep() and checking wether the destination RAM was updated?