Index: DDDefs.h
===================================================================
diff -u -rdf0b360f1a0f5a23ac46b4baaddf7103791cc920 -r339a42dfb1c7ebd43df0393ed8ef972291b8b233
--- DDDefs.h	(.../DDDefs.h)	(revision df0b360f1a0f5a23ac46b4baaddf7103791cc920)
+++ DDDefs.h	(.../DDDefs.h)	(revision 339a42dfb1c7ebd43df0393ed8ef972291b8b233)
@@ -173,8 +173,10 @@
     DD_GEND_STATE_START = 0,                                    ///< Gen dialysate start state
     DD_GEND_DIALYSATE_BYPASS_STATE,                             ///< Gen dialysate - Bypass dialysate state
     DD_GEND_DIALYSATE_DELIVERY_STATE,                           ///< Gen dialysate - deliver dialysate state
-    DD_GEND_DIALYSATE_DELIVERY_PAUSE,                           ///< Gen dialysate - dialysate delivery pause state
     DD_GEND_ISOLATED_UF_STATE,                                  ///< Gen dialysate - Isolated ultrafiltration state
+    DD_GEND_SPENT_CHAMBER_FILL_STATE,                           ///< Gen dialysate - spent chamber fill state
+    DD_GEND_BICARB_CHAMBER_FILL_STATE,                          ///< Gen dialysate - bicarb chamber fill state
+    DD_GEND_DIALYSATE_DELIVERY_PAUSE,                           ///< Gen dialysate - dialysate delivery pause state
     NUM_OF_DD_GEND_MODE_STATES                                  ///< Number of gen dialysate states
 };
 typedef enum DD_GenD_Mode_States DD_GEND_MODE_STATE_T;          ///< Type for DD gen dialysate mode states enumeration
@@ -415,9 +417,11 @@
     BAL_CHAMBER_STATE_START = 0,                            ///< Initial state of balancing chamber
     BAL_CHAMBER_STATE1_FILL_START,                          ///< Balancing chamber state 1 fill start state
     BAL_CHAMBER_STATE1_BICARB_ACID_DOSING_CNTRL,            ///< Balancing Chamber state 1 Bicarb and acid dosing control state
+    BAL_CHAMBER_STATE1_VALVES_CLOSE,                        ///< Balancing Chamber state 1 valves close state
     BAL_CHAMBER_STATE1_FILL_END,                            ///< Balancing Chamber state 1 fill end state
     BAL_CHAMBER_STATE2_FILL_START,                          ///< Balancing chamber state 2 fill start state
     BAL_CHAMBER_STATE2_BICARB_ACID_DOSING_CNTRL,            ///< Balancing Chamber state 2 Bicarb and acid dosing control state
+    BAL_CHAMBER_STATE2_VALVES_CLOSE,                        ///< Balancing Chamber state 2 valves close state
     BAL_CHAMBER_STATE2_FILL_END,                            ///< Balancing Chamber state 2 fill end state
     NUM_OF_BAL_CHAMBER_EXEC_STATES                          ///< Number of balancing chamber states
 };
@@ -450,4 +454,25 @@
 
 /**@}*/
 
+/**
+ *  @addtogroup SpentChamberFill
+ *  @{
+ */
+
+/// Enumeration of Spent chamber fill exec states.
+enum Spent_Chamber_Fill_Exec_States
+{
+    SPENT_CHAMBER_FILL_STATE_START = 0,                            ///< Initial state of spent chamber fill
+    SPENT_CHAMBER_FILL_STATE1_FILL_START,                          ///< Spent chamber fill state 1 fill start state
+    SPENT_CHAMBER_FILL_STATE1_DOSING_CNTRL,                        ///< Spent chamber fill state 1 dosing control
+    SPENT_CHAMBER_FILL_STATE1_FILL_END,                            ///< Spent chamber fill state 1 fill end state
+    SPENT_CHAMBER_FILL_STATE2_FILL_START,                          ///< Spent chamber fill state 2 fill start state
+    SPENT_CHAMBER_FILL_STATE2_DOSING_CNTRL,                        ///< Spent chamber fill state 2 dosing control
+    SPENT_CHAMBER_FILL_STATE2_FILL_END,                            ///< Spent chamber fill state 2 fill end state
+    NUM_OF_SPENT_CHAMBER_FILL_EXEC_STATES                          ///< Number of spent chamber fill states
+};
+typedef enum Spent_Chamber_Fill_Exec_States SPENT_CHAMBER_FILL_EXEC_STATE_T;  ///< Type for spent chamber fill exec state enumeration
+
+/**@}*/
+
 #endif