2.12 WDT Windowed Test

Test Name: Windowed Timer WDT Test using Independent Time-Slot Monitoring.

Acceptable Measure (Annex. H): Time-slot monitoring of the program sequence (H.2.18.10.4)

Purpose of test: The watchdog timer (WDT) is a system function for monitoring correct program operation that allows recovering from error situations such as runaway or deadlocked code.

Description: This diagnostic tests the following:

  • WDT issues a system reset if it is untimely reset (WDT window mode)
  • WDT issues a system reset if no WDR is executed (WDT window mode)

API Documentation: WATCHDOG Windowed Timer Diagnostic Test