ISR routine is not properly running

[hs2 (Hartmut Schaefer)]

You’re right
Me and many others found this post pretty good

Understanding priority levels of ISR and FreeRTOS APIs

A pictorial representation, if that helps: Logical Numerical Priorities Priorities +--------+ +-------+ ^ | | | | | | | | | | | | | | | Not masked by FreeRTOS kernel | Higher | | Lower | | ( FreeRTOS APIs can not be | | | | | called from these ISRs. ) …