CANbus_Diag.GetBusState (METH)¶

METHOD GetBusState : DED.BUS_STATE

Returns the bus state of the associated CANBus.

Following table defines the mapping between CAA Device Diagnosis DED.BUS_STATE and CL2.BUSSTATE.

CAA Device Diagnosis	CANbus state
`DED.BUS_STATE.RUNNING`	`CL2.BUSSTATE.ERR_FREE`, `CL2.BUSSTATE.ACTIVE`, `CL2.BUSSTATE.WARNING` (with xDiagnosisInfoAvailable``=``TRUE) `CL2.BUSSTATE.PASSIVE` (with xDiagnosisInfoAvailable``=``TRUE)
`DED.BUS_STATE.ERROR`	Specified CAN interface not found, `CL2.BUSSTATE.BUSOFF`
`DED.BUS_STATE.STOPPED`	CAN driver is not ready (e.g. in case of gateway devices)
`DED.BUS_STATE.UNKNOWN`	`CL2.BUSSTATE.UNKNOWN`

InOut:

Scope	Name	Type	Comment
Return	`GetBusState`	`DED.BUS_STATE`	current bus state.
Output	`xDiagnosisInfoAvailable`	`BOOL`	`TRUE`, if red exclamation mark in device tree
Output	`eError`	`DED.ERROR`	`DED.ERROR.NO_ERROR` if bus state was retrieved wihout error.