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Altera_Forum's avatar
Altera_Forum
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21 years ago

Using HAL with DMA question

I am moving from NIOSI to NIOSII. I have an interrupt where if we are still DMA'ing, I just want to return from the interrupt. Before, I just had the following if statement to check the status ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
21 years ago

First you should define a callback function such as dma_done. Assign a mark describing the end of dma transmission. Inputting dma_done as the forth parameter on invoking alt_dma_txchan_send/alt_dma_rxchan_prepare.

I think handbook should describe such usage more clearly.