batPowerLevel (Function)

batPowerLevel will return the power level of the backup battery.

Input:

None

Returns: SINT

Declaration:

FUNCTION batPowerLevel : SINT;

Example:

INCLUDE rtcu.inc
 
PROGRAM test;
VAR
   batlvl : SINT;
END_VAR;
 
BEGIN
   ...
   IF batModuleMounted() THEN
      batlvl := batPowerLevel();
      IF batlvl > -1 AND batlvl < 3 THEN
         DebugFmt(message:="Battery level=\1",v1:=batlvl);
      END_IF;
   END_IF;
   ...
END;
 
END_PROGRAM;