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Altera_Forum
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12 years ago

Qsys - Nios write to FIFO

Hello, In my design project, Nios needs to write to an external FIFO. I created a custom Avalon MM component for the purpose. When Nios write to the custom component, the design expects to see the...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

Still have not been able to figure out the cause of unresolved label issue in EDS software. Re-build the software project from ground up. The problem is no longer there.

The app software writes to FIFO at a constant interval. However, per the waveform on the scope, it looks as if FIFO was written to only once then the program quit writing. On advice, I wrote to 0x8000,5060 instead of 0x5060 to bypass cache. This last step appears to take care of the problem.