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Altera_Forum
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15 years ago

How to write user logic to control SOPC DMA controller?

Dear all, How to write user logic to control a SOPC DMA controller ? without Nios II? So it is a Avalon Memory Mapped Master, connect to slave port of the DMA controller, but how to initiliz...
Altera_Forum's avatar
Altera_Forum
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15 years ago

The DMA registers' addresses are described in the DMA's datasheet. To read or write them, you need to create an Avalon master interface on your component, place the address you want to access on the address signal, perform the operation by enabling the read or write signal, and wait until wait request is 0.