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Altera_Forum's avatar
Altera_Forum
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16 years ago

SG-DMA stream-to-memory with count and EOP

Hi, I would like to know if it is possible to set up a stream-to-memory transfer for an SG-DMA controller, set the 'bytes_to_transfer' value in a descriptor to a non-zero value, and have the de...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

Thanks for the reply. It's a shame about the EOP not doing what I'd like. A wild thought: do you think it might be possible to use one of the 'error' signals instead of the EOP signal to do what I want (i.e. complete the current descriptor early and move on to the next descriptor)? If so, would the 'actual_bytes_transferred' count in the descriptor be updated in this case?