Index: firmware/App/Modes/ModeChemicalDisinfect.h
===================================================================
diff -u -r4efb2d1786c717ca6cf4b1bc992cec8e16820bff -r7d4711edd7b40cd3e29f43e766f79a8a09586fe9
--- firmware/App/Modes/ModeChemicalDisinfect.h	(.../ModeChemicalDisinfect.h)	(revision 4efb2d1786c717ca6cf4b1bc992cec8e16820bff)
+++ firmware/App/Modes/ModeChemicalDisinfect.h	(.../ModeChemicalDisinfect.h)	(revision 7d4711edd7b40cd3e29f43e766f79a8a09586fe9)
@@ -1,18 +1,19 @@
-/**********************************************************************//**
- *
- *  Copyright (c) 2019-2020 Diality Inc. - All Rights Reserved.
- *
- *  THIS CODE MAY NOT BE COPIED OR REPRODUCED IN ANY FORM, IN PART OR IN
- *  WHOLE, WITHOUT THE EXPLICIT PERMISSION OF THE COPYRIGHT OWNER.
- *
- *  @file ModeChemicalDisinfect.h
- *
- *  @date 03-Apr-2020
- *  @author S. Nash
- *
- *  @brief Header file for Chemical Disinfect Mode.
- *
- **************************************************************************/
+/**************************************************************************
+*
+* Copyright (c) 2020-2024 Diality Inc. - All Rights Reserved.
+*
+* THIS CODE MAY NOT BE COPIED OR REPRODUCED IN ANY FORM, IN PART OR IN
+* WHOLE, WITHOUT THE EXPLICIT PERMISSION OF THE COPYRIGHT OWNER.
+*
+* @file    ModeChemicalDisinfect.h
+*
+* @author  (last)      Michael Garthwaite
+* @date    (last)      11-Sep-2023
+*
+* @author  (original)  Sean
+* @date    (original)  04-Apr-2020
+*
+***************************************************************************/
 
 #ifndef __MODE_CHEMICAL_DISINFECT_H__
 #define __MODE_CHEMICAL_DISINFECT_H__
@@ -22,23 +23,37 @@
 
 /**
  *  @defgroup DGChemicalDisinfectMode DGChemicalDisinfectMode
- *  @brief Chemical disinfect mode module.
- *  Manages chemical disinfect mode functions via a state machine.
+ *  @brief Chemical disinfect mode module. Manages chemical disinfect mode functions via a state machine.
  *
  *  @addtogroup DGChemicalDisinfectMode
  *  @{
  */
 
 // ********** public definitions **********
 
-// ********** private function prototypes **********
+/// Chemical disinfect UI data
+typedef struct
+{
+    U32 chemDisinfectTargetTime;           ///< Target time during chemical disinfect.
+    U32 chemDisinfectCountdownTime;        ///< Chemical disinfect count down time.
+} MODE_CHEMICAL_DISINFECT_UI_DATA_T;
 
+// ********** public function prototypes **********
+
 void initChemicalDisinfectMode( void );           // initialize this module
-void transitionToChemicalDisinfectMode( void );   // prepares for transition to chemical disinfection mode
+U32 transitionToChemicalDisinfectMode( void );   // prepares for transition to chemical disinfection mode
 U32  execChemicalDisinfectMode( void );           // execute the chemical disinfection mode state machine (call from OperationModes)
 
 DG_CHEM_DISINFECT_STATE_T getCurrentChemicalDisinfectState( void );  // get the current state of the chemical disinfection mode.
 
+BOOL stopChemicalDisinfect( void );
+BOOL testSetChemDisinfectionCD2AvgOverride( F32 value );
+BOOL testResetChemDisinfectionCD2AvgOverride( void );
+
+#ifndef _RELEASE_
+void setChemNelsonSupportMode( NELSON_SUPPORT_T support );
+#endif
+
 /**@}*/
 
 #endif