EWI Interrupt

[TWood.4]

I am trying to generate an EWI Interrupt from the WWDG on a WB55.

I have  WWDG_EWI_ENABLE set, I have global interrupts enabled and I have WWDG_IRQn enabled.

I can generate resets from the WWDG, but I never get an EWI interrupt. I checked in the link map that the WWDG_IRQHandler points to my interrupt handler.

I'm missing something really simple aren't I?

 

 

 

[nouirakh]

Hello @TWood.4 

I tested an example of the Early Wake interrupt and it worked.
You need to refresh the WWDG within the correct time frame. If it is not refreshed, it will cause a system reset instead of an interrupt.