Index: DDDefs.h
===================================================================
diff -u -r78128d9126978673733e2e1b24e88ac72f6a3571 -rcccd9c9d23a6be09d331ab3aae8b7415757b682d
--- DDDefs.h	(.../DDDefs.h)	(revision 78128d9126978673733e2e1b24e88ac72f6a3571)
+++ DDDefs.h	(.../DDDefs.h)	(revision cccd9c9d23a6be09d331ab3aae8b7415757b682d)
@@ -490,14 +490,14 @@
 /// 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
+    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
 
@@ -511,52 +511,56 @@
 /// Enumeration of DryBicart fill exec states.
 enum Dry_Bicart_Fill_Exec_States
 {
-    DRY_BICART_START_STATE = 0,                                      ///< Initial state of dry bicart fill
-    DRY_BICART_FILL_WATER_START_STATE,                               ///< Dry bicart fill start state
-    DRY_BICART_FILL_WATER_END_STATE,                                 ///< Dry bicart fill end state
-    DRY_BICART_DEGAS_START_STATE,                                    ///< Dry bicart vent start state
-    DRY_BICART_DEGAS_END_STATE,                                      ///< Dry bicart vent end state
-    DRY_BICART_FILL_DURATION_CHECK_STATE,                            ///< Dry bicart fill duration check state
-    DRY_BICART_FILL_COMPLETE_STATE,                                  ///< Dry bicart fill complete state
-    NUM_OF_DRY_BICART_FILL_EXEC_STATES                               ///< Number of dry bicart fill states
+    DRY_BICART_FILL_IDLE_STATE = 0,                         ///< Initial state of dry bicart fill
+    DRY_BICART_FILL_WATER_STATE,                            ///< Dry bicart fill water start state
+    DRY_BICART_VENT_STATE,                                  ///< Dry bicart vent end state
+    DRY_BICART_FILL_DURATION_CHECK_STATE,                   ///< Dry bicart fill duration check state
+    DRY_BICART_FILL_COMPLETE_STATE,                         ///< Dry bicart fill complete state
+    NUM_OF_DRY_BICART_FILL_EXEC_STATES                      ///< Number of dry bicart fill states
 };
 typedef enum Dry_Bicart_Fill_Exec_States DRY_BICART_FILL_EXEC_STATE_T;  ///< Type for dry bicart fill exec state enumeration
 
 /// Enumeration of Bicarb chamber fill exec states.
 enum Bicarb_Chamber_F_Fill_Exec_States
 {
-    BICARB_CHAMBER_START_STATE = 0,                                  ///< Initial state of Chamber F fill
-    BICARB_CHAMBER_SUPPLY_STATE,                                     ///< Bicarb Chamber fill start state
-    BICARB_CHAMBER_PRESSURE_CHECK_STATE,                             ///< Bicarb Chamber pressure check start state
-    BICARB_CARTRIDGE_FILL_WATER_START_STATE,                         ///< Dry bicart fill water start state while dialysate delivery
-    BICARB_CARTRIDGE_FILL_WATER_END_STATE,                           ///< Dry bicart fill water end state while dialysate delivery
-    BICARB_SUPPLY_VENT_START_STATE,                                  ///< Bicarb Chamber supply vent cartridge and Chamber F start state
-    BICARB_SUPPLY_VENT_END_STATE,                                    ///< Bicarb Chamber supply vent cartridge and Chamber F end state
-    NUM_OF_BICARB_CHAMBER_FILL_EXEC_STATES                           ///< Number of Bicarb chamber fill state
+    BICARB_CHAMBER_SUPPLY_IDLE_STATE = 0,                   ///< Initial state of Chamber F supply
+    BICARB_CHAMBER_SUPPLY_STATE,                            ///< Bicarb Chamber supply complete state
+    BICARB_CARTRIDGE_FILL_WATER_STATE,                      ///< Dry bicart fill water end state while dialysate delivery
+    BICARB_SUPPLY_VENT_STATE,                               ///< Bicarb Chamber supply vent cartridge and Chamber F end state
+    NUM_OF_BICARB_CHAMBER_FILL_EXEC_STATES                  ///< Number of Bicarb chamber fill state
 };
 typedef enum Bicarb_Chamber_F_Fill_Exec_States BICARB_CHAMBER_FILL_EXEC_STATE_T;  ///< Type for bicarb chamber fill exec state enumeration
 
 /// Enumeration of DryBicart drain exec states
 enum Dry_Bicart_Drain_Exec_States
 {
-    DRY_BICART_DRAIN_START_STATE = 0,                                ///< Initial state of dry bicart drain
-    DRY_BICART_FLUID_DRAIN_STATE,                                    ///< Dry bicart fluid drain state
-    DRY_BICART_FLUID_DRAIN_DURATION_CHECK_STATE,                     ///< Dry bicart drain duration check state
-    DRY_BICART_FLUID_DRAIN_END_STATE,                                ///< Dry bicart drain end state
-    NUM_OF_DRY_BICART_DRAIN_EXEC_STATES
+    BICART_DRAIN_IDLE_STATE = 0,                            ///< Initial state of dry bicart drain
+    BICART_DRAIN_STATE,                                     ///< Dry bicart bicarb drain state
+    BICART_DRAIN_DURATION_CHECK_STATE,                      ///< Dry bicart bicarb drain duration check state
+    NUM_OF_DRY_BICART_DRAIN_EXEC_STATES                     ///< Number of dry bicart drain states
 };
 typedef enum Dry_Bicart_Drain_Exec_States DRY_BICART_DRAIN_EXEC_STATE_T;    ///< Type for dry bicart fill exec state enumeration
 
 /// Enumeration of drybicart depressurize exec states
 enum Dry_Bicart_Depressurize_Exec_States
 {
-    DRY_BICART_DEPRESSURIZE_START_STATE = 0,                         ///< Initial state of dry bicart depressurise
-    DRY_BICART_DEPRESSURIZE_VENT_START_STATE,                        ///< Dry bicart depressurize vent start state
-    DRY_BICART_DEPRESSURIZE_VENT_END_STATE,                          ///< Dry bicart depressurize vent end state
-    NUM_OF_DRY_BICART_DEPRESSURIZE_EXEC_STATES
+    DRY_BICART_DEPRESSURIZE_IDLE_STATE = 0,                 ///< Initial state of dry bicart depressurise
+    DRY_BICART_DEPRESSURIZE_STATE,                    ///< Dry bicart depressurize vent start state
+    NUM_OF_DRY_BICART_DEPRESSURIZE_EXEC_STATES              ///< Number of dry bicart depressurize states
 };
 typedef enum Dry_Bicart_Depressurize_Exec_States DRY_BICART_DEPRESSURIZE_EXEC_STATE_T;    ///< Type for dry bicart depressurize exec state enumeration
 
+/// Enumeration of transient sequence step states
+enum SequenceStep_States
+{
+    SEQUENCE_STEP0_STATE = 0,                               ///< Initial state of transient sequence step state
+    SEQUENCE_STEP1_STATE,                                   ///< Transient sequence step2 state
+    SEQUENCE_STEP2_STATE,                                   ///< Transient sequence step3 state
+    NUM_OF_SEQUENCE_STEP_STATES                             ///< Number of Sequence step states
+};
+typedef enum SequenceStep_States SEQUENCE_STEP_STATE_T;     ///< Type for Sequence step state enumeration
+
+
 /// Enumeration of conductivity sensors.
 enum Conductivity_Sensors
 {