Hello i'm new at using stm32ide , every time i make a change in the pin editor the generated code remove my application from the main.c file i try to find solutions online i couldn't find any how can i edit my MCAL layer without losing my code ?

[TDK]

Keep your code within USER CODE blocks and don't make modifications outside of those.

[DFari.11]

thanks for your reply

it works with me

[TDK · Accepted solution]

In the generated files, there are regions marked with USER CODE BEGIN and USER CODE END. You may only modify code within those sections.

Here are three of many such sections: