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Altera_Forum's avatar
Altera_Forum
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12 years ago

Stream to Memory sgdma transfers

I am trying to do a stream-to-memory sgdma transfer using the start of packet and end of packet signals. My question is how do I set up the descriptors for this type of transfer? Do I ne...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

Thanks for your reply. My solution right now is to start the DMA transfer after a hardware interrupt executes a callback function ( using the do_async_transfer ). I would like to know if the start of packet signal can be used to start the dma transfer. Does the start of packet signal have any functionality in the sgdma controller?