Forum Discussion

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

SGDMA Interrupt

Hi, I'm having a major issue with the SGDMA component - the callback function that I've defined does not run. I'm not sure whether my code is flawed and I'm not calling the ISR function correct...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

I'm tempted to say save yourself the hassle and write your own DMA controller. I got sick of trying to coax any of the DMA controllers in Qsys to work correctly, they either worked intermittently, not at all, or corrupted the data. Its only about a days work to write a decent DMA controller and at least if it goes wrong you wrote the source code so it's easier to fix/debug.