MBP-247: Add persistent variable

Add homing status of axis before shutdown.

Author: aslanliafichev

DUTs/Axis_Structures/ST_AxisPersistent.TcDUT

@@ -7,6 +7,7 @@ STRUCT
     fPositionAtShutdown: LREAL; //Position of the axis when the CPU was powered off
     fEncoderBiasAtShutdown: LREAL; //Encoder bias value when the CPU was powered off
     bMovingAtShutdown: BOOL; //Indicates if the axis was moving during the shutdown (True if moving, false otherwise)
+    bHomedAtShutdown: BOOL; //Homing status of the axis when the CPU was powered off
 END_STRUCT
 END_TYPE
 ]]></Declaration>

DUTs/E_RestorePosition.TcDUT

@@ -6,8 +6,8 @@
 TYPE E_RestorePosition :
 (
     eDontRestore :=0,
-    eRestoreWithoutHome := 1, //Redefine the position of the axis to that when the power was lost
-    eRestoreWithHome := 2 //Redefine the position of the axis to that when the power was lost and home
+    eRestoreWithoutHome := 1, //Restores the position of the axis to that when the power was lost
+    eRestoreWithHome := 2 // Restores the position of the axis to that when the power was lost and sets the home position to the restored position
 );
 END_TYPE
 ]]></Declaration>