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Altera_Forum's avatar
Altera_Forum
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15 years ago

URGENT: Peripheral to Memory DMA Transaction

Hello, may I know how to transfer data from peripheral to memory using DMA? It is quite confusing from memory-to-memory transfer. please help! thanks!
Altera_Forum's avatar
Altera_Forum
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15 years ago

while (IORD_ALTERA_AVALON_DMA_STATUS(DMA_BASE) & 1)==0); ?

but I'd suggest using usleep until you confirm the DMA working.