GetBusAlarm (FUN)

FUNCTION GetBusAlarm : BOOL

This function returns if the CAN chip is in Bus Alarm state. In this state sending and receiving messages is not possible. A Bus Alarm can be reset by ResetBusAlarm which leads to a re-initialization of the CAN chip. Diagnostic Information can be also read by GetDiagnosis.

InOut:

Scope Name Type Comment Return GetBusAlarm BOOL TRUE if a bus alarm is pending. Input hDriver CAA.HANDLE handle of CAN interface peError POINTER TO ERROR optional pointer to error enum