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2 replies

Andrew Neil
Super User
Oct 13, 2026 9:22 AM UTC

You need to give some more detail on your setup and what, exactly, you’re doing:

 

But common reasons for such errors are

  • The variable in question is currently out-of-scope
  • The variable in question has been optimised-out
A complex system that works is invariably found to have evolved from a simple system that worked.A complex system designed from scratch never works and cannot be patched up to make it work.
Osman SOYKURT
ST Technical Moderator
Oct 19, 2026 2:57 PM UTC

Hello ​@redstone8415 ,

Have you tried setting a breakpoint inside your model ? for instance in void Model::tick()

​@Andrew Neil  has a point: you may have optimizations enabled, so the debugger can't get the values. Try building with -O0.

ST Software Developer | TouchGFX