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Altera_Forum
Honored Contributor
Honored ContributorSGDMA debug
Hello, I am trying to learn how to use SGDMA to transfer data to memory. First of all, I am trying to connect SGDMA TX directly to SGDMA RX and check results. You can find the source code ->here<-...
Altera_ForumHonored Contributor
Honored ContributorI don't see anything wrong so I recommend simulating this system so that you can watch the read and write masters to see what they are doing. You should only have to simulate around 300us worth of time.
Also when you compile the code how much room is being reported for the stack and heap? You said your memory is 32kB so I'm thinking you could be running out of memory. What you could try doing is putting just the heap into the on-chip memory and all the other code sections in SDRAM and see if the problem goes away (that would suggest that in your test case the stack and heap collided).
