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Altera_Forum
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17 years ago

DMA controller loop/circular transfer, how to?

Hello all, I would like to use a DMA controller to fill a SDRAM memory in a "circular" way (as a circular buffer). I currently use the DMA controller (provided by Altera) to fill the memo...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

Hi Sunnywang,

Thank you for your answer, I will have a look on the SGDMA. Actually I already use SGDMA with the TSE (triple speed ethernet) MAC IP from Altera but I didn't deep into details on this DMA.

Anyway, I solved my problem by programming my own simple "rollover" or "circular buffer" DMA and it works fine.

Thanks again

Regards,

-Pierre