Index: PersistentAlarm.c
===================================================================
diff -u -r05059f677729c710938aca3c6c6df6910b50c24d -r7f049fb55e8f7fd41cf2dbd19a0e43d4e684af78
--- PersistentAlarm.c	(.../PersistentAlarm.c)	(revision 05059f677729c710938aca3c6c6df6910b50c24d)
+++ PersistentAlarm.c	(.../PersistentAlarm.c)	(revision 7f049fb55e8f7fd41cf2dbd19a0e43d4e684af78)
@@ -7,8 +7,8 @@
 *
 * @file PersistentAlarm.c
 *
-* @author (last) Quang Nguyen
-* @date (last) 17-Aug-2020
+* @author (last) Sean Nash
+* @date (last) 01-Oct-2020
 *
 * @author (original) Quang Nguyen
 * @date (original) 17-Aug-2020
@@ -17,6 +17,7 @@
 
 #include "AlarmMgmt.h"
 #include "PersistentAlarm.h"
+#include "Timers.h"
 
 /**
  *  @addtogroup PersistentAlarm
@@ -31,11 +32,11 @@
     ALARM_ID_T alarm;                               ///< Alarm id
     BOOL       isClearable;                         ///< Flag if alarm can be cleared
 
-    U32  persistentClearCount;                      ///< Persistent count limit before clear alarm
-    U32  persistentTriggerCount;                    ///< Persistent count limit before trigger alarm
+    U32  persistentClearPeriod;                     ///< Persistent count limit before clear alarm
+    U32  persistentTriggerPeriod;                   ///< Persistent count limit before trigger alarm
 
-    U32  inRangeCounter;                            ///< Data in range persistent counter
-    U32  outOfRangeCounter;                         ///< Data out of range persistent counter
+    U32  inRangeStartTime;                          ///< Data in range persistent counter
+    U32  outOfRangeStartTime;                       ///< Data out of range persistent counter
 } PERSISTENT_ALARM_DATA_T;
 
 // ********** private data **********
@@ -53,21 +54,21 @@
  * @param alarmIndex Persistent alarm index
  * @param alarm Alarm id
  * @param isClearable Flag to indicate alarm is clearable or not
- * @param persistentClearCount Persistent count limit before clear alarm
- * @param persistentTriggerCount Persistent count limit before trigger alarm
+ * @param persistentClearPeriod Persistent period limit before clear alarm
+ * @param persistentTriggerPeriod Persistent period limit before trigger alarm
  * @return none
  *************************************************************************/
 void initPersistentAlarm( PERSISTENT_ALARM_T alarmIndex, ALARM_ID_T alarm, BOOL isClearable,
-                          F32 persistentClearCount, F32 persistentTriggerCount )
+                          F32 persistentClearPeriod, F32 persistentTriggerPeriod )
 {
     if ( alarmIndex < NUM_OF_PERSISTENT_ALARM )
     {
-        persistentAlarms[ alarmIndex ].alarm                  = alarm;
-        persistentAlarms[ alarmIndex ].isClearable            = isClearable;
-        persistentAlarms[ alarmIndex ].persistentClearCount   = persistentClearCount;
-        persistentAlarms[ alarmIndex ].persistentTriggerCount = persistentTriggerCount;
-        persistentAlarms[ alarmIndex ].inRangeCounter         = 0U;
-        persistentAlarms[ alarmIndex ].outOfRangeCounter      = 0U;
+        persistentAlarms[ alarmIndex ].alarm                   = alarm;
+        persistentAlarms[ alarmIndex ].isClearable             = isClearable;
+        persistentAlarms[ alarmIndex ].persistentClearPeriod   = persistentClearPeriod;
+        persistentAlarms[ alarmIndex ].persistentTriggerPeriod = persistentTriggerPeriod;
+        persistentAlarms[ alarmIndex ].inRangeStartTime        = 0U;
+        persistentAlarms[ alarmIndex ].outOfRangeStartTime     = 0U;
     }
     else
     {
@@ -97,18 +98,24 @@
     {
         if ( isOutOfRange )
         {
-            ++persistentAlarms[ alarmIndex ].outOfRangeCounter;
-            persistentAlarms[ alarmIndex ].inRangeCounter = 0;
-            if ( persistentAlarms[ alarmIndex ].outOfRangeCounter > persistentAlarms[ alarmIndex ].persistentTriggerCount )
+            persistentAlarms[ alarmIndex ].inRangeStartTime = 0;
+            if ( persistentAlarms[ alarmIndex ].outOfRangeStartTime == 0 )
             {
+                persistentAlarms[ alarmIndex ].outOfRangeStartTime = getMSTimerCount();
+            }
+            if ( didTimeout( persistentAlarms[ alarmIndex ].outOfRangeStartTime, persistentAlarms[ alarmIndex ].persistentTriggerPeriod ) )
+            {
                 SET_ALARM_WITH_1_F32_DATA( persistentAlarms[ alarmIndex ].alarm, data );
             }
         }
         else
         {
-            ++persistentAlarms[ alarmIndex ].inRangeCounter;
-            persistentAlarms[ alarmIndex ].outOfRangeCounter = 0;
-            BOOL const isInRangePersistent = persistentAlarms[ alarmIndex ].inRangeCounter > persistentAlarms[ alarmIndex ].persistentClearCount;
+            persistentAlarms[ alarmIndex ].outOfRangeStartTime = 0;
+            if ( persistentAlarms[ alarmIndex ].inRangeStartTime == 0 )
+            {
+                persistentAlarms[ alarmIndex ].inRangeStartTime = getMSTimerCount();
+            }
+            BOOL const isInRangePersistent = didTimeout( persistentAlarms[ alarmIndex ].inRangeStartTime, persistentAlarms[ alarmIndex ].persistentClearPeriod );
             if ( persistentAlarms[ alarmIndex ].isClearable && isInRangePersistent )
             {
                 clearAlarm( persistentAlarms[ alarmIndex ].alarm );