Index: firmware/App/Modes/Dialysis.h
===================================================================
diff -u -r2df21d2472a8d79d78af7e359518acf3614accc5 -r8e7158d8231435496fcf1d5649e51babf859ccc7
--- firmware/App/Modes/Dialysis.h	(.../Dialysis.h)	(revision 2df21d2472a8d79d78af7e359518acf3614accc5)
+++ firmware/App/Modes/Dialysis.h	(.../Dialysis.h)	(revision 8e7158d8231435496fcf1d5649e51babf859ccc7)
@@ -1,18 +1,19 @@
-/**********************************************************************//**
- *
- *  Copyright (c) 2019-2020 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 Dialysis.h
- *
- *  @date 15-Jan-2020
- *  @author S. Nash
- *
- *  @brief Header file for Dialysis sub-mode.
- *
- **************************************************************************/
+/**************************************************************************
+*
+* Copyright (c) 2019-2021 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 Dialysis.h
+*
+* @author (last) Sean Nash
+* @date (last) 01-Oct-2020
+*
+* @author (original) Sean
+* @date (original) 15-Jan-2020
+*
+***************************************************************************/
 
 #ifndef __DIALYSIS_H__
 #define __DIALYSIS_H__
@@ -30,18 +31,35 @@
 
 // ********** public definitions **********
 
-// ********** private function prototypes **********
+#pragma pack(push,1)
 
+/// Payload record structure for a saline bolus data broadcast message.
+typedef struct
+{
+    U32 maxSalineVolumeMl;
+    F32 cumSalineVolumeMl;
+    F32 bolSalineVolumeMl;
+} SALINE_BOLUS_DATA_PAYLOAD_T;
+
+#pragma pack(pop)
+
+// ********** public function prototypes **********
+
 void initDialysis( void );
+void resetSalineBolus( void );
 void transitionToDialysis( void );
 void execDialysis( void );
 
 void setDialysisParams( U32 bPFlow, U32 dPFlow, F32 maxUFVol, F32 uFRate );
 void startDialysis( void );
 void stopDialysis( void );
 
+void signalStartSalineBolus( void );
+void signalAbortSalineBolus( void );
+
 DIALYSIS_STATE_T getDialysisState( void );
 UF_STATE_T getUltrafiltrationState( void );
+SALINE_BOLUS_STATE_T getSalineBolusState( void );
 F32  getUltrafiltrationVolumeCollected( void );
 
 BOOL pauseUF( void );