How do I see a C/C++ source file after preprocessing in STM32CubeIDE

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I want to check if the preprocessing are correctly adding my function macros

STM32CubeIDE

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TDKBest answer

Use the "Preprocess only" checkbox. After that, the converted files will be in the build directory with a "*.o" extension.

"If you feel a post has answered your question, please click ""Accept as Solution""."

TDKBest answer

Use the "Preprocess only" checkbox. After that, the converted files will be in the build directory with a "*.o" extension.

"If you feel a post has answered your question, please click ""Accept as Solution""."

HPam.1Author

Associate II

I checked the "Preprocess only" in all the places , and I open my Debug folder and sub directories ,I could not find the *.o extension. Am I doing it correctly?

EDIT: I found the main.o at last. It's in the sub directory users folder

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