Index: firmware/App/Controllers/BloodFlow.h
===================================================================
diff -u -rfff308d96794e7df7e91149173c3760ff3fda10c -r933a18d740285e70be9d00696ed0f5a5381bc8e4
--- firmware/App/Controllers/BloodFlow.h	(.../BloodFlow.h)	(revision fff308d96794e7df7e91149173c3760ff3fda10c)
+++ firmware/App/Controllers/BloodFlow.h	(.../BloodFlow.h)	(revision 933a18d740285e70be9d00696ed0f5a5381bc8e4)
@@ -32,8 +32,24 @@
 // ********** public definitions **********
 
 #define MAX_BLOOD_FLOW_RATE                 500             ///< Maximum blood flow rate (in mL/min).
-#define MIN_BLOOD_FLOW_RATE                 100             ///< Minimum blood flow rate (in mL/min).
+#define MIN_BLOOD_FLOW_RATE                 100             ///< Minimum blood flow rate (in mL/min).
+#define SALINE_BOLUS_FLOW_RATE              150             ///< Saline bolus flow rate (in mL/min).
+
+#define VOLUME_PER_BP_MOTOR_REV_ML          0.2             ///< Theoretical volume (mL) of blood/saline volume per motor revolution.
 
+/// Payload record structure for a blood pump data message.
+typedef struct
+{
+    S32 setPoint;
+    F32 measFlow;
+    F32 measRotorSpd;
+    F32 measPumpSpd;
+    F32 measMCSpd;
+    F32 measMCCurr;
+    F32 pwmDC;
+    F32 flowSigStrength;
+} BLOOD_PUMP_STATUS_PAYLOAD_T;
+
 // ********** public function prototypes **********
 
 void initBloodFlow( void );
@@ -43,11 +59,15 @@
 BOOL setBloodPumpTargetFlowRate( U32 flowRate, MOTOR_DIR_T dir, PUMP_CONTROL_MODE_T mode );
 void signalBloodPumpHardStop( void );
 void signalBloodPumpRotorHallSensor( void );
-BOOL homeBloodPump( void );
+BOOL homeBloodPump( void );
+U32  getBloodPumpMotorCount( void );
+U32  getBloodPumpRotorCount( void );
+BOOL isBloodPumpRunning( void );
 
 SELF_TEST_STATUS_T execBloodFlowTest( void );
 
 F32  getMeasuredBloodFlowRate( void );
+F32  getMeasuredBloodFlowSignalStrength( void);
 F32  getMeasuredBloodPumpRotorSpeed( void );
 F32  getMeasuredBloodPumpSpeed( void );
 F32  getMeasuredBloodPumpMCSpeed( void );
@@ -68,6 +88,8 @@
 BOOL testResetMeasuredBloodPumpMCSpeedOverride( void );
 BOOL testSetMeasuredBloodPumpMCCurrentOverride( F32 value );
 BOOL testResetMeasuredBloodPumpMCCurrentOverride( void );
+BOOL testSetMeasuredBloodFlowSignalStrengthOverride( F32 value );
+BOOL testResetMeasuredBloodFlowSignalStrengthOverride( void );
 
 /**@}*/