Perfect solutions thanks for the answer. __HAL_TIM_ENABLE_IT(&tim3, TIM_IT_UPDATE );solved my problem

I managed to make it work, compiled the same project with previous version of STMCubeMX (now I used latest version from 5.xx release. it is 5.2.0) I generated the code for TrueStudio, the previous than used in CubeIDE and imported the project in Cube...

Hello friend, Same problem with uC STM32F072 -> In my case the libraries generated for the F versions are quite different than for the L, I tried your patch but it did not work in my case (I guess for F versions), I tried to modify the STM library bu...