HydraHarp400Ctrl Class Commands
Name	Input type	Output type	Level	Description
State	DEV_VOID	DEV_STATE	OPERATOR	This command gets the device state (stored in its device_state data member) and returns it to the caller.
Status	DEV_VOID	CONST_DEV_STRING	OPERATOR	This command gets the device status (stored in its device_status data member) and returns it to the caller.
calibrate	DEV_VOID	DEV_LONG	OPERATOR	calibrate
clearHistMem	DEV_VOID	DEV_LONG	OPERATOR	None.
startMeas	DEV_VOID	DEV_LONG	OPERATOR	uses tAcq to start the measurment
stopMeas	DEV_VOID	DEV_LONG	OPERATOR	None.
ReadFiFo	DEV_VOID	DEVVAR_LONGARRAY	OPERATOR	returns the contents of the FiFo, max: 131072 (TTTREADMAX)
setMarker	DEV_VOID	DEV_VOID	OPERATOR	Enables markers using markerMask and sets the edges using markerEdgeMask.