Index: firmware/App/Modes/Prime.c
===================================================================
diff -u -rb6b733b8d1f25bc2dbe2a94c620cd80aa3ae06f7 -rc0445144841904d5a6ea9d37af639e138e6a86b0
--- firmware/App/Modes/Prime.c	(.../Prime.c)	(revision b6b733b8d1f25bc2dbe2a94c620cd80aa3ae06f7)
+++ firmware/App/Modes/Prime.c	(.../Prime.c)	(revision c0445144841904d5a6ea9d37af639e138e6a86b0)
@@ -268,6 +268,29 @@
 
 /*********************************************************************//**
  * @brief
+ * The signalStartPrime function signals the prime sub-mode the user requested
+ * to start priming operation.
+ * @details Inputs: none
+ * @details Outputs: primeStartRequested
+ * @return none
+ *************************************************************************/
+void signalStartPrime( void )
+{
+    BOOL accepted = FALSE;
+    REQUEST_REJECT_REASON_CODE_T rejReason = REQUEST_REJECT_REASON_NOT_ALLOWED_IN_CURRENT_MODE;
+
+    if ( HD_PRIME_WAIT_FOR_USER_START_STATE == currentPrimeState )
+    {
+        primeStartRequested = TRUE;
+        accepted = TRUE;
+        rejReason = REQUEST_REJECT_REASON_NONE;
+    }
+
+    sendStartPrimeCmdResponse( accepted, rejReason );
+}
+
+/*********************************************************************//**
+ * @brief
  * The signalResumePrime function signals the prime sub-mode to resume
  * previous operation.
  * @details Inputs: none
@@ -301,8 +324,7 @@
  *************************************************************************/
 static void resetPrimeFlags( void )
 {
-    // TODO: set to false after integration with UI
-    primeStartRequested = TRUE;
+    primeStartRequested = FALSE;
     primeResumeRequested = FALSE;
     primeStopRequested = FALSE;
 }
@@ -349,7 +371,6 @@
     if ( ++primeStatusBroadcastTimerCounter >= PRIME_DATA_PUB_INTERVAL )
     {
         PRIMING_DATA_PAYLOAD_T primeData;
-        primeData.currentPrimeState = currentPrimeState;
         primeData.totalTime         = MAX_PRIME_TIME;
         primeData.remainingTime     = MAX_PRIME_TIME - elapsedPrimeTimeInSecs;