Index: firmware/App/Modes/Prime.h
===================================================================
diff -u -r4d2dcd2d5ee3c7684be139b7e560b16d8c3abc06 -rcd5be724d5a3ba7457e761191d82f278654d7f5c
--- firmware/App/Modes/Prime.h	(.../Prime.h)	(revision 4d2dcd2d5ee3c7684be139b7e560b16d8c3abc06)
+++ firmware/App/Modes/Prime.h	(.../Prime.h)	(revision cd5be724d5a3ba7457e761191d82f278654d7f5c)
@@ -1,17 +1,17 @@
 /**************************************************************************
 *
-* Copyright (c) 2019-2020 Diality Inc. - All Rights Reserved.
+* Copyright (c) 2020-2024 Diality Inc. - All Rights Reserved.
 *
 * THIS CODE MAY NOT BE COPIED OR REPRODUCED IN ANY FORM, IN PART OR IN
 * WHOLE, WITHOUT THE EXPLICIT PERMISSION OF THE COPYRIGHT OWNER.
 *
-* @file Prime.h
+* @file    Prime.h
 *
-* @author (last) Quang Nguyen
-* @date (last) 08-Dec-2020
+* @author  (last)      Darren Cox
+* @date    (last)      10-Mar-2022
 *
-* @author (original) Quang Nguyen
-* @date (original) 08-Dec-2020
+* @author  (original)  Quang Nguyen
+* @date    (original)  08-Dec-2020
 *
 ***************************************************************************/
 
@@ -24,20 +24,32 @@
 /**
  *  @defgroup Prime Prime
  *  @brief Prime sub-mode of pre-treatment mode. This sub-mode handles blood and dialysate circuits priming functionality.
+ *  This sub-mode also executes wet self-tests after prime is completed.
  *
  *  @addtogroup Prime
  *  @{
  */
 
 // ********** public definitions **********
 
+/// Payload record structure for a priming status data broadcast message.
+typedef struct
+{
+    U32 totalTime;              ///< Total priming time in seconds.
+    U32 remainingTime;          ///< Remaining time for priming in seconds.
+} PRIMING_DATA_PAYLOAD_T;
+
 // ********** public function prototypes **********
 
-void initPrime( void );
-void transitionToPrime( void );
-void execPrime( void );
+void initPrime( void );                         // Initialize prime sub-mode (of pre-treatment mode).
+void transitionToPrime( void );                 // Transition to prime sub-mode (of pre-treatment mode).
+void execPrime( void );                         // Execute the prime state machine.
+U32  getPrimeState( void );                     // Get the current state of the prime state machine.
+U32  getDialyzerBloodVolume( void );            // Get the blood volume (in mL) associated with a given dialyzer type.
+U32  getDialyzerDialysateVolume( void );        // Get the dialysate volume (in mL) associated with a given dialyzer type.
 
-BOOL isPrimingPassed( void );
+void signalStartPrime( void );                  // User has requested to start prime
+void signalResumePrime( void );                 // User has requested to resume prime
 
 /**@}*/