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John's avatar
John
Icon for New Contributor rankNew Contributor
7 years ago
Solved

Why do I get this Synthesis error?

I am building a variant of a working project, using Quartus Prime Lite. It fails Analysis & Synthesis right at the end (97%). I have tried in V17.1.0 and 18.1, same error with both. It occurred af...
  • Abe's avatar
    Abe
    7 years ago

    Does your project use any DCFIFO IP blocks, If so delete the component, create a new instance and try building it again.

JOHI's avatar
JOHI
Icon for Contributor rankContributor
7 years ago

Hello,

Sometimes you need to clean your project + delete all generated files before recompiling.

A mixup can occur where the quartus menu command "project/clean" is an option or even manually delete automatically generated subdirectories.

(I had it before that the output of 2 qsys generations with small modifications between 2 versions mixed things up. Cleaning things up got me back on track.)

Best Regards,

Johi.