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Altera_Forum's avatar
Altera_Forum
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15 years ago

Direct Memory Access (DMA)

hello, i am having a problem with using dma. my dma seems like never finish the transaction because it cannot call the done function and keep on looping in the while(!rx_done). I dont know why. can a...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Hi, I have a question here. I tried to use DMA to transfer data within the same SDRAM, src = SDRAM + 0x200000 and dst = SDRAM_BASE + 0x300000. However, the data in the src and dst is different after transmission. the receive channel seems like cannot write into dst.