Index: firmware/App/Services/SystemCommMessages.h
===================================================================
diff -u -r6fc5e3596bfb7f27e93e4bfbe4909b9f58c17b48 -r1f3647830e9de0a1f0a4e445ce8d72d5525f51fb
--- firmware/App/Services/SystemCommMessages.h	(.../SystemCommMessages.h)	(revision 6fc5e3596bfb7f27e93e4bfbe4909b9f58c17b48)
+++ firmware/App/Services/SystemCommMessages.h	(.../SystemCommMessages.h)	(revision 1f3647830e9de0a1f0a4e445ce8d72d5525f51fb)
@@ -23,10 +23,17 @@
 // ********** public definitions **********
 
 typedef enum Msg_IDs
-{
+{   // normal CAN messages
     MSG_ID_UNUSED = 0,
-    MSG_ID_OFF_BUTTON_PRESS,
-    MSG_ID_FIRST_TESTER_MESSAGE = 0x8000,
+    MSG_ID_OFF_BUTTON_PRESS,                    // 1
+    MSG_ID_ALARM_STATUS,                        // 2
+    MSG_ID_ALARM_TRIGGERED,                     // 3
+    MSG_ID_ALARM_CLEARED,                       // 4
+    MSG_ID_BLOOD_FLOW_DATA,                     // 5
+
+    // service/test CAN messages
+
+    MSG_ID_FIRST_TESTER_MESSAGE = 0x8000,       // 0x8000
     MSG_ID_TESTER_LOGIN_REQUEST = MSG_ID_FIRST_TESTER_MESSAGE,
     MSG_ID_HD_MESSAGE,                          // 0x8001
     MSG_ID_OFF_BUTTON_STATE_OVERRIDE,           // 0x8002
@@ -48,6 +55,14 @@
 BOOL sendOffButtonMsgToUI( void );
 void handleOffButtonConfirmMsgFromUI( MESSAGE_T *message );
 
+// MSG_ID_ALARM_TRIGGERED
+BOOL broadcastAlarmTriggered( ALARM_ID_T alarm, ALARM_DATA_T almData1, ALARM_DATA_T almData2 );
+// MSG_ID_ALARM_CLEARED
+BOOL broadcastAlarmCleared( ALARM_ID_T alarm );
+
+// MSG_ID_BLOOD_FLOW_DATA
+BOOL broadcastBloodFlowData( U32 flowStPt, F32 measFlow, F32 measSpd, F32 measCurr );
+
 // *********** public test support message functions **********
 
 // DEBUG OUTPUT