Index: firmware/App/Controllers/PresOccl.h
===================================================================
diff -u -r14d740bbb065f043daaa348bcda5f447e1c16a32 -r6e3cc2783dd177a3e53589fcc73ff56f05da20d9
--- firmware/App/Controllers/PresOccl.h	(.../PresOccl.h)	(revision 14d740bbb065f043daaa348bcda5f447e1c16a32)
+++ firmware/App/Controllers/PresOccl.h	(.../PresOccl.h)	(revision 6e3cc2783dd177a3e53589fcc73ff56f05da20d9)
@@ -47,14 +47,27 @@
     OCCLUSION_SENSOR_DIAL_IN_PUMP,          ///< Dialysate inlet pump occlusion sensor
     OCCLUSION_SENSOR_DIAL_OUT_PUMP,         ///< Dialysate outlet pump occlusion sensor
     NUM_OF_OCCLUSION_SENSORS                ///< Number of occlusion sensors
-} OCCLUSION_SENSORS_T;
+} OCCLUSION_SENSORS_T;
+
+/// Enumeration of arterial/venous pressure limits states.
+typedef enum PressureLimitsStates
+{
+    PRESSURE_LIMITS_STATE_STABILIZATION = 0,///< Stabilization state
+    PRESSURE_LIMITS_STATE_STABLE,           ///< Stable state
+    NUM_OF_PRESSURE_LIMITS_STATES
+} PRESSURE_LIMITS_STATES_T;
 
 /// Payload record structure for the pressure & occlusions data message.
 typedef struct
 {
     F32 arterialPressure;                   ///< Latest arterial pressure (mmHg)
     F32 venousPressure;                     ///< Latest venous pressure (mmHg)
     U32 bldPumpOcclusion;                   ///< Latest BP occlusion (no units)
+    U32 presLimitState;                     ///< Current pressure limits state (enum-stabilization or stable)
+    S32 artMinLimit;                        ///< Current arterial minimum pressure limit (mmHg)
+    S32 artMaxLimit;                        ///< Current arterial maximum pressure limit (mmHg)
+    S32 venMinLimit;                        ///< Current venous minimum pressure limit (mmHg)
+    S32 venMaxLimit;                        ///< Current venous maximum pressure limit (mmHg)
 } PRESSURE_OCCLUSION_DATA_T;
 
 // ********** public function prototypes **********
@@ -64,7 +77,10 @@
 
 void execPresOcclTest( void );
 SELF_TEST_STATUS_T execPresOcclDryTest( void );
-SELF_TEST_STATUS_T execPresOcclSelfTest( void );
+SELF_TEST_STATUS_T execPresOcclSelfTest( void );
+
+void setPressureLimitsToOuterBounds( void );
+void updatePressureLimitWindows( S32 artPresWin, S32 venPresWin, S32 venPresAsym );
 
 F32 getMeasuredArterialPressure( void );
 F32 getFilteredArterialPressure( void );