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Altera_Forum's avatar
Altera_Forum
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14 years ago

making an IP for DMA transfers

Hello everybody. I work with the Terasic DE2-115. I'm trying to plug the TRDB-D5M camera on a NIOS II with ethernet. I can read data from the camera with the IP given by terasic, and I can us...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

By missed data do you mean if the DMA is in the middle of switching between descriptors data could be missed? With the ST protocol that should never happen, the only way that would occur is if the DMA is being filled with data faster than it can write the data to memory, but the data would be dropped by whatever is providing the data and not the DMA itself (ST can't drop data if implemented properly).