Index: HDDefs.h
===================================================================
diff -u -r328776d5cb9ba3dda52b9bbe854531cad6701fb0 -rafb1683907c16afd76f59fdad7f0a8d642069681
--- HDDefs.h	(.../HDDefs.h)	(revision 328776d5cb9ba3dda52b9bbe854531cad6701fb0)
+++ HDDefs.h	(.../HDDefs.h)	(revision afb1683907c16afd76f59fdad7f0a8d642069681)
@@ -704,6 +704,13 @@
     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
+    HEPARIN_PUMP_SWITCH_CHANGED_EVENT,                                  ///< Heparin pump switch changed event
+    OFF_BUTTON_PRESSED_EVENT,                                           ///< Off button pressed event
+    SCREEN_BRIGHTNESS_CHANGED_EVENT,                                    ///< Screen brightness changed 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
Index: MsgDefs.h
===================================================================
diff -u -r436a133a02043c225bd33bb9bcb21cc9d6d6d019 -rafb1683907c16afd76f59fdad7f0a8d642069681
--- MsgDefs.h	(.../MsgDefs.h)	(revision 436a133a02043c225bd33bb9bcb21cc9d6d6d019)
+++ MsgDefs.h	(.../MsgDefs.h)	(revision afb1683907c16afd76f59fdad7f0a8d642069681)
@@ -207,6 +207,7 @@
     MSG_ID_DG_BAD_FILL_SUB_STATE = 0xAF,                                ///< DG broadcast of idle mode bad fill sub-state
     MSG_ID_UI_REQUEST_SERVICE_MODE = 0xB0,                              ///< UI request to HD to go to service mode
     MSG_ID_HD_RESPONSE_SERVICE_MODE_REQUEST = 0xB1,                     ///< HD response to UI request to go to service mode
+    MSG_ID_UI_CHANGED_SCREEN_BRIGHTNESS = 0xB2,                         ///< HD changed screen brightness
 
 #ifdef EMC_TEST_BUILD
     MSG_ID_CAN_ERROR_COUNT = 0x999,  // test code in support of EMC testing