Index: AlarmDefs.h
===================================================================
diff -u -r72b160dc9bedcbe238a6282db18975a960e39776 -r8b6d80b68a2490075a921ccc8a1a80568b4da36e
--- AlarmDefs.h	(.../AlarmDefs.h)	(revision 72b160dc9bedcbe238a6282db18975a960e39776)
+++ AlarmDefs.h	(.../AlarmDefs.h)	(revision 8b6d80b68a2490075a921ccc8a1a80568b4da36e)
@@ -105,7 +105,8 @@
 };
 
 typedef enum Alarm_List ALARM_ID_T;                                 ///< Type for alarm list enumeration
-
+
+/// Enumeration of alarm priorities.
 enum Alarm_Priorities
 {
     ALARM_PRIORITY_NONE = 0,                                        ///< Indicates not an alarm or no alarms active at this time
@@ -116,5 +117,16 @@
 };
 
 typedef enum Alarm_Priorities ALARM_PRIORITY_T;                     ///< Type for alarm priorities enumeration
+
+/// Enumeration of alarm sources.
+enum Alarm_Sources
+{
+    ALARM_SOURCE_UI = 0,                                            ///< User interface alarm source
+    ALARM_SOURCE_HD,                                                ///< HD firmware alarm source
+    ALARM_SOURCE_DG,                                                ///< DG firmware alarm source
+    NUMBER_OF_ALARM_SOURCES                                         ///< Number of alarm sources
+};
+
+typedef enum Alarm_Sources ALARM_SOURCE_T;                          ///< Type for alarm sources enumeration
 
 #endif