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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

Take a look at one of the examples on the NEEK board (like the C2H Mandlebrot design). The video support files use the park mode to ensure the owned by hardware bits in each descriptor remain set so that you can loop a descriptor chain back on itself. This might do what you are looking for.... again watch out for race conditions when doing this.