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Altera_Forum's avatar
Altera_Forum
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9 years ago

Pause needed between multiple DMA transfers?

I try to sequentially read buffers from PIO at the fastest possible speed with NIOS II/f. Everything works fine, however the speed seems to be limited to ~25 MB/s, independently of the buffer si...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
9 years ago

Your description sounds like you have a bug in your done() callback and rx_done handshake. For example, you might get the behavior you described if you had never reset rx_done back to zero before starting the next transfer.