Index: firmware/App/Modes/OperationModes.h
===================================================================
diff -u -r8c00197ce69e80f1967aa3f2eb36beb3573f36f3 -r158b4394cb66d4585bbcef39471193a7396709c6
--- firmware/App/Modes/OperationModes.h	(.../OperationModes.h)	(revision 8c00197ce69e80f1967aa3f2eb36beb3573f36f3)
+++ firmware/App/Modes/OperationModes.h	(.../OperationModes.h)	(revision 158b4394cb66d4585bbcef39471193a7396709c6)
@@ -37,6 +37,7 @@
 void execOperationModes( void );                                    // Execute the operation modes state machine (scheduled periodic call)
 void requestNewOperationMode( HD_OP_MODE_T newMode );               // Request a transition to a new operation mode
 HD_OP_MODE_T getCurrentOperationMode( void );                       // Get the current operation mode
+HD_OP_MODE_T getPreviousOperationMode( void );                      // Get the previous operation mode
 void initiateAlarmAction( ALARM_ACTION_T action );                  // Initiate an alarm or alarm recovery action according to current op mode
 
 BOOL testSetOperationMode( HD_OP_MODE_T newMode );                  // Force transition to a given mode (if allowed)