Index: HDDefs.h
===================================================================
diff -u -r07e22db44987cf7c7300009b3ff101189d185727 -r2ae479b6b85b6d6ec70547f54edfc32b59c3cef2
--- HDDefs.h	(.../HDDefs.h)	(revision 07e22db44987cf7c7300009b3ff101189d185727)
+++ HDDefs.h	(.../HDDefs.h)	(revision 2ae479b6b85b6d6ec70547f54edfc32b59c3cef2)
@@ -7,8 +7,8 @@
 *
 * @file    HDDefs.h
 *
-* @author  (last)      Sean Nash
-* @date    (last)      30-Sep-2023
+* @author  (last)      Dara Navaei
+* @date    (last)      01-Nov-2024
 *
 * @author  (original)  Sean Nash
 * @date    (original)  29-May-2020
@@ -396,12 +396,26 @@
  *  @{
  */
 
+/// Blood leak zeroing states
+enum Blood_Leak_Zeroing_States
+{
+    BLD_ZEROING_IDLE_STATE = 0,                         ///< Blood leak zeroing idle state.
+    BLD_ZEROING_FLUSH_RSRVR_2_DPI_STATE,                ///< Blood leak zeroing flush reservoir to DPi state.
+    BLD_ZEROING_FLUSH_DPI_2_BLD_STATE,                  ///< Blood leak zeroing flush DPi to BLD state.
+    BLD_ZEROING_ZERO_STATE,                             ///< Blood leak zeroing zero state.
+    BLD_ZEROING_VERIFY_ZEROING_STATE,                   ///< Blood leak zeroing verify zeroing state.
+    BLD_ZEROING_COMPLETE_STATE,                         ///< Blood leak zeroing complete state.
+    NUM_OF_BLD_ZEROING_STATES                           ///< Number of blood leak zeroing states.
+};
+typedef enum Blood_Leak_Zeroing_States BLOOD_LEAK_ZEROING_STATE_T;
+
 /// Enumeration of dialysis sub-mode states.
 enum Dialysis_States
 {
     DIALYSIS_START_STATE = 0,                           ///< Start state of the dialysis sub-mode state machine
     DIALYSIS_UF_STATE,                                  ///< Ultrafiltration state of the dialysis sub-mode state machine
     DIALYSIS_SALINE_BOLUS_STATE,                        ///< Saline bolus state of the dialysis sub-mode state machine
+    DIALYSIS_BLOOD_LEAK_ZEROING_STATE,                  ///< Blood leak zeroing state of the dialysis sub-mode state machine
     NUM_OF_DIALYSIS_STATES                              ///< Number of dialysis sub-mode states
 };
 typedef enum Dialysis_States DIALYSIS_STATE_T;          ///< Type for dialysis states enumeration
@@ -719,13 +733,6 @@
     HEPARIN_START_RESUME_EVENT,                                         ///< Heparin start or resume event
     HEPARIN_STOP_PAUSE_EVENT,                                           ///< Heparin stop or pause event
     SALINE_BOLUSES_CHANGE_EVENT,                                        ///< Saline boluses change event
-    MID_TREATMENT_RINSE_BACK_EVENT,                                     ///< Mid treatment rinse-back event
-    ALARM_AUDIO_VOLUME_CHANGED_EVENT,                                   ///< Alarm audio volume changed event
-    FRONT_DOOR_SWITCH_CHANGED_EVENT,                                    ///< Front door switch changed event
-    PUMP_TRACK_SWITCH_CHANGED_EVENT,                                    ///< Pump track switch changed event
-    SYRINGE_DETECTION_SWITCH_CHANGED_EVENT,                             ///< Syringe detection switch changed event
-    OFF_BUTTON_PRESSED_EVENT,                                           ///< Off button pressed event
-    STOP_BUTTON_PRESSED_EVENT,                                          ///< Stop button pressed event
     NUM_OF_TX_EVENT_IDS                                                 ///< Total number of treatment events
 };
 typedef enum Tx_Event_List TX_EVENT_ID_T;                               ///< Type for treatment event list enumeration
@@ -768,6 +775,11 @@
     HD_EVENT_AIR_PUMP_ON_OFF,                                           ///< HD turned air pump on or off.
     HD_EVENT_BLOOD_LEAK_SELF_TEST_RESULT,                               ///< HD blood leak self tests result.
     HD_EVENT_BLOOD_LEAK_NUM_OF_SET_POINT_CHECK_FAILURES,                ///< HD blood leak number of set point check failures
+    HD_EVENT_DRY_SELF_TEST_PRESSURE_DECAY_WAIT_PERIOD,                  ///< HD dry self test pressure decay waiting period.
+    HD_EVENT_INSTIT_RECORD_UPDATE,                                      ///< HD new institutional record has been updated.
+    HD_EVENT_PARTIAL_OCCLUSION_BASELINE,                                ///< HD event partial occlusion baseline event
+    HD_EVENT_BLOOD_LEAK_ZEROING_REQUEST,                                ///< HD event blood leak zeroing request.
+    HD_EVENT_BLOOD_LEAK_ZEROING_REQUIRED,                               ///< HD event blood leak zeroing required.
     NUM_OF_EVENT_IDS                                                    ///< Total number of HD events
 };
 typedef enum HD_Event_List HD_EVENT_ID_T;                               ///< Type for HD event list enumeration