hiI use stm32f4 micro but an external interrupt pinwhen i increase frequency of the external signal connected to interrupt pin, the micro jump to hardfaultwhy? how I can detect the solution? 

I use stm32f767 and implement one button in screenthe reaction of the button such as change screen color or run functions not workswhy?

I have setting a button with it's interactionWhen I touch the button is detected (the picture of it changes) but the interaction of the button (calling function) not worksI tested in keil and stm32cubeide but the problem doesn't solvedcan everybody h...