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Altera_Forum's avatar
Altera_Forum
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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
15 years ago

In order to re-use the same descriptor chain you'll need to go through the chain and set the owned by hardware bit back on (SGDMA turns those off to let you know it has worked on them). Then you will start up the SGDMA the same way you did the last time.