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

SGDMA debug

Hello, I am trying to learn how to use SGDMA to transfer data to memory. First of all, I am trying to connect SGDMA TX directly to SGDMA RX and check results. You can find the source code ->here<-...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

Hi,

Is it possible to cycle multiple descriptors using the mSGDMA park feature? For example, in a MM-ST and/or ST-MM configuration, if the descriptor queue has two descriptors, and then "park" the queue so it becomes a circular queue?

It would be a good feature for ping-pong buffers, for example...

Cheers,

Nestor