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Altera_Forum's avatar
Altera_Forum
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11 years ago

SGDMA streaming to memory, how to start and stop?

I've read a couple of posts about the SGDMA on this forum, but can't see an answer to the specific problem I'm having. Our design has a streaming source that runs continuously. We need to captu...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

It sounds like when the source of the data is disabled you should just have it throw out samples holding the valid signal low, then when the CPU enables the flow of data you stop throwing it out and assert the valid signal. What I'm saying is that I don't think you need another IP to do this, just make the source of the data do this under software control.