Boolean OEMISRUnregisterHandler (uInt32 isr_vector, uInt32 isr_param, ISRFunc isr_runFunc, uInt32 register_param);
Purpose: This function is called only by ISRUnregisterHandler. This function unregisters an ISR with the OS or with the hardware in the case of bare metal. register_param is the register parameter that is returned by the OEMISRRegisterHandler routine.
Returns TRUE on success. Returns FALSE on failure.