Index: MsgDefs.h
===================================================================
diff -u -rfc0036c2130f8254023e625e97a6e44034f88b4c -re2521ac0d7c4307390297c1d644f0f696d880703
--- MsgDefs.h	(.../MsgDefs.h)	(revision fc0036c2130f8254023e625e97a6e44034f88b4c)
+++ MsgDefs.h	(.../MsgDefs.h)	(revision e2521ac0d7c4307390297c1d644f0f696d880703)
@@ -168,9 +168,9 @@
     MSG_ID_DG_SERIAL_NUMBER = 0x88,                                     ///< DG serial number
     MSG_ID_UI_REQUEST_SERVICE_INFO = 0x89,                              ///< UI request for service schedule information
     MSG_ID_HD_SERVICE_SCHEDULE_DATA = 0x8A,                             ///< HD service schedule data
-    MSG_ID_HD_USAGE_DATA = 0x8B,                                        ///< HD usage data
+    MSG_ID_HD_USAGE_DATA = 0x8B,                                        ///< HD usage data TODO is this needed?
     MSG_ID_DG_SERVICE_SCHEDULE_DATA = 0x8C,                             ///< DG service schedule data
-    MSG_ID_DG_USAGE_DATA = 0x8D,                                        ///< DG usage data
+    MSG_ID_DG_USAGE_DATA = 0x8D,                                        ///< DG usage data TODO is this needed?
     MSG_ID_HD_POST_SINGLE_TEST_RESULT = 0x8E,                           ///< HD POST single test result
     MSG_ID_HD_POST_FINAL_TEST_RESULT = 0x8F,                            ///< HD POST final test result
     MSG_ID_DG_POST_SINGLE_TEST_RESULT = 0x90,                           ///< DG POST single test result
@@ -337,6 +337,9 @@
     MSG_ID_HD_REQ_CURRENT_TREATMENT_PARAMETERS = 0x807B,                ///< HD request current treatment parameters
     MSG_ID_HD_RES_CURRENT_TREATMENT_PARAMETERS = 0x807C,                ///< HD current treatment paramaters response
     MSG_ID_HD_SET_FANS_RPM_ALARM_START_TIME_OFFSET = 0x807D,            ///< HD set fans RPM alarm start time offset
+    MSG_ID_HD_GET_USAGE_INFO_RECORD = 0x807E,                           ///< HD get usage information record
+    MSG_ID_HD_SET_USAGE_INFO_RECORD = 0x807F,                           ///< HD set usage information record
+    MSG_ID_HD_SEND_USAGE_INFO_RECORD = 0x8080,                          ///< HD send usage information record
 
     MSG_ID_FIRST_DG_TESTER_MESSAGE = 0xA000,                            ///< First DG test message ID
     MSG_ID_DG_TESTER_LOGIN_REQUEST = MSG_ID_FIRST_DG_TESTER_MESSAGE,    ///< DG tester log-in
@@ -420,6 +423,9 @@
     MSG_ID_DG_USED_BICARB_VOLUME_ML_OVERRIDE = 0xA050,                  ///< DG used bicarb volume override in mL
     MSG_ID_FILL_MODE_DATA_PUBLISH_INTERVAL_OVERRIDE = 0xA051,           ///< DG used concentrate publish interval override request
     MSG_ID_BAD_FILL_STATES_PUBLISH_INTERVAL_OVERRIDE = 0xA052,          ///< DG bad fill sub-states publish interval override request
+    MSG_ID_DG_GET_USAGE_INFO_RECORD = 0xA053,                           ///< DG get usage information record
+    MSG_ID_DG_SET_USAGE_INFO_RECORD = 0xA054,                           ///< DG set usage information record
+    MSG_ID_DG_SEND_USAGE_INFO_RECORD = 0xA055,                          ///< DG send usage information record
 
     MSG_ID_HD_DEBUG_EVENT = 0xFFF1,                                     ///< HD debug event text to be logged in event log
     MSG_ID_DG_DEBUG_EVENT = 0xFFF2,                                     ///< DG debug event text to be logged in event log