MCA8715 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.
Start	DEV_VOID	DEV_LONG	OPERATOR	Start MCA
Stop	DEV_VOID	DEV_LONG	OPERATOR	Stop MCA
Read	DEV_VOID	DEV_LONG	OPERATOR	Reads the VME MCA board (memory bank BankId)
Clear	DEV_VOID	DEV_LONG	OPERATOR	Clears the MCA bank BankId
TakeCountsReference	DEV_VOID	DEV_VOID	OPERATOR	Take current counts for start computing the CountsDiff values.