#define	ERROR_USAGE	1
#define	ERROR_TARGET	2
#define	ERROR_RVINTERF	3
#define	ERROR_UNIX	4
#define	ERROR_BUG	5
/* the following two are for fc-rfcal-tools */
#define	ERROR_RFTEST	6	/* error in the external RF test equipment */
#define	ERROR_RFFAIL	7	/* RF calibration process failure */