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Altera_Forum
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15 years ago

alt_avalon_sgdma_construct_mem_to_mem_desc()

hi: "alt_avalon_sgdma_construct_mem_to_mem_desc()"can only transmit the number of data smaller than 65535 bytes ,so if I want to transmit data which the number is larger than 65535，how I...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

what exactly do you mean by "can only transmit the limited number of data"? What happens when you try to send more? I don't see any for loop in the code you shown.

If you use the alt_avalon_sgdma_do_sync_transfer() (and not the async version) it will only return once the transfer is finished.