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Altera_Forum's avatar
Altera_Forum
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21 years ago

How to use the Nios DMA?

Hi, in order to improve the performance, I hope use the Nios DMA (Not Nios II) module to increase the transfer speed. But now I don't know how to use it. I simply use its subroutine on my origina...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

Hi All,

I'm trying to use NIOS2 DMA too, but actually I have to transfer data to/from an external device from/to my NIOS2 cpu. Please,

what's your impression on this, does anyone have some suggestion to me in the architecture definition? I should have some kind of input/output

device to connect to the dma avalon master, maybe a PIO? and how to manage FLOW control trough the PIO, for DMA and my external

device?

Thanks a Lot Massy