
# The tri-state captures boolean values with the additional state of unknown

int8 val

# enumerated values

# Unknown or unavailable
int8 UNKNOWN=-1

# High state
int8 TRUE=1
int8 ON=1
int8 ENABLED=1
int8 HIGH=1
int8 CLOSED=1

# Low state
int8 FALSE=0
int8 OFF=0
int8 DISABLED=0
int8 LOW=0
int8 OPEN=0
