Index: PIControllers.c
===================================================================
diff -u -rca1d590217b1bfd14f0e0682f88e04de076ff199 -r02db327e215f4f5cdc0df10bde97e9ab6217535f
--- PIControllers.c	(.../PIControllers.c)	(revision ca1d590217b1bfd14f0e0682f88e04de076ff199)
+++ PIControllers.c	(.../PIControllers.c)	(revision 02db327e215f4f5cdc0df10bde97e9ab6217535f)
@@ -68,14 +68,16 @@
     { 0.0, 0.0, 0.90, 0.10, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 100.0, CONTROLLER_UNIDIRECTIONAL, FALSE, 0.0 },  // PI_CONTROLLER_ID_BLOOD_FLOW
 #endif
 #ifdef _DD_
-    { 0.0, 0.0, 2650, 350, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 4.0,  CONTROLLER_BIDIRECTIONAL, FALSE, 0.0 },    // PI_CONTROLLER_ID_D12_PUMP
-    { 0.0, 0.0, 2650, 350, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 4.0,  CONTROLLER_BIDIRECTIONAL, FALSE, 0.0 },    // PI_CONTROLLER_ID_D48_PUMP
-    { 0.0, 0.0, 1.0,  0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 15.0, CONTROLLER_BIDIRECTIONAL, TRUE, 0.0 },     // PI_CONTROLLER_ID_D5_HEAT
-    { 0.0, 0.0, 1.0,  0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 5.0,  CONTROLLER_BIDIRECTIONAL, FALSE, 0.0 },    // PI_CONTROLLER_ID_D45_HEAT
-    { 0.0, 0.0, 1.0,  0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 25.0,  CONTROLLER_UNIDIRECTIONAL, FALSE, 0.0 },  // PI_CONTROLLER_ID_RO_PUMP
+    { 0.0, 0.0, 2650, 350, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 4.0,  CONTROLLER_BIDIRECTIONAL,  FALSE, 0.0 },   // PI_CONTROLLER_ID_D12_PUMP
+    { 0.0, 0.0, 2650, 350, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 4.0,  CONTROLLER_BIDIRECTIONAL,  FALSE, 0.0 },   // PI_CONTROLLER_ID_D48_PUMP
+    { 0.0, 0.0, 1.0,  0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 15.0, CONTROLLER_BIDIRECTIONAL,  TRUE,  0.0 },   // PI_CONTROLLER_ID_D5_HEAT
+    { 0.0, 0.0, 1.0,  0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 5.0,  CONTROLLER_BIDIRECTIONAL,  FALSE, 0.0 },   // PI_CONTROLLER_ID_D45_HEAT
+    { 0.0, 0.0, 1.0,  0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 25.0, CONTROLLER_UNIDIRECTIONAL, FALSE, 0.0 },   // PI_CONTROLLER_ID_RO_PUMP
     { 0.0, 0.0, 1.0,  0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.1,  CONTROLLER_UNIDIRECTIONAL, FALSE, 0.0 },   // PI_CONTROLLER_ID_RO_PUMP_MAX_PRES
     { 0.0, 0.0, 1.0,  0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.5,  CONTROLLER_UNIDIRECTIONAL, FALSE, 0.0 },   // PI_CONTROLLER_ID_BOOST_PUMP_FLOW
     { 0.0, 0.0, 1.0,  0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.1,  CONTROLLER_UNIDIRECTIONAL, FALSE, 0.0 },   // PI_CONTROLLER_ID_BOOST_PUMP_PRES
+    { 0.0, 0.0, 0.0,  0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 200,  CONTROLLER_UNIDIRECTIONAL, FALSE, 0.0 },   // PI_CONTROLLER_ID_BICARB_VOL
+    { 0.0, 0.0, 0.0,  0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 200,  CONTROLLER_UNIDIRECTIONAL, FALSE, 0.0 },   // PI_CONTROLLER_ID_ACID_VOL
 #endif
 };
 
@@ -340,10 +342,52 @@
 
     return output;
 }
+
 /*********************************************************************//**
  * @brief
  * The getPIControllerSignals function returns the latest requested signal sample.
  * @details \b Inputs: none
+ * @details \b Outputs: none
+ * @details \b Alarms: ALARM_ID_XX_SOFTWARE_FAULT when invalid PI controller
+ * Id is passed.
+ * @details \b Alarms: ALARM_ID_XX_SOFTWARE_FAULT when invalid PI controller
+ * signal is passed.
+ * @param controllerID ID filter number
+ * @param signalID signal sample ID request
+ * @return latest sample requested
+ *************************************************************************/
+PI_CONTROLLER_SIGNALS_DATA getDebugPIControllerSignals( PI_CONTROLLER_ID_T controllerID )
+{
+    PI_CONTROLLER_T *controller;
+    PI_CONTROLLER_SIGNALS_DATA signals;
+
+    if ( controllerID < NUM_OF_PI_CONTROLLERS_IDS )
+    {
+        SET_CONTROLLER( controller, controllerID );
+
+        signals.controlSignalReference              = controller->referenceSignal;
+        signals.controlSignalMeasured               = controller->measuredSignal;
+        signals.controlSignalError                  = controller->errorSignal;
+        signals.controlSignalErrorSum               = controller->errorSumBeforeWindUp;
+        signals.controlSignalErrorSumAfterWindup    = controller->errorSum;
+        signals.controlSignalProportionalOutput     = controller->Kp * controller->errorSignal;
+        signals.controlSignalIntegralOutput         = controller->Ki * controller->errorSum;
+        signals.controlSignalFeedDorwardOutput      = controller->feedForward;
+        signals.controlSingalControl                = controller->controlSignal;
+    }
+    else
+    {   // Invalid controller given
+#ifdef _DD_
+        SET_ALARM_WITH_2_U32_DATA( ALARM_ID_DD_SOFTWARE_FAULT, SW_FAULT_ID_PI_CTRL_INVALID_CONTROLLER, (U32)controllerID )
+#endif
+    }
+
+    return signals;
+}
+/*********************************************************************//**
+ * @brief
+ * The getPIControllerSignals function returns the latest requested signal sample.
+ * @details \b Inputs: none
  * @details \b Outputs: maxErrorSumStep of controller ID
  * @details \b Alarms: ALARM_ID_XX_SOFTWARE_FAULT when invalid PI controller
  * Id is passed.
Index: PIControllers.h
===================================================================
diff -u -rca1d590217b1bfd14f0e0682f88e04de076ff199 -r02db327e215f4f5cdc0df10bde97e9ab6217535f
--- PIControllers.h	(.../PIControllers.h)	(revision ca1d590217b1bfd14f0e0682f88e04de076ff199)
+++ PIControllers.h	(.../PIControllers.h)	(revision 02db327e215f4f5cdc0df10bde97e9ab6217535f)
@@ -50,6 +50,8 @@
     PI_CONTROLLER_ID_RO_PUMP_PRES,                  ///< RO pump controller to maximum pressure
     PI_CONTROLLER_ID_BOOST_PUMP_FLOW,               ///< Boost pump controller to flow
     PI_CONTROLLER_ID_BOOST_PUMP_PRES,               ///< Boost pump controller to maximum pressure
+    PI_CONTROLLER_ID_BICARB_VOL,                    ///< Bicarb dose volume
+    PI_CONTROLLER_ID_ACID_VOL,                      ///< Acid dose volume
 #endif
     NUM_OF_PI_CONTROLLERS_IDS                       ///< Number of PI controllers
 } PI_CONTROLLER_ID_T;
@@ -69,6 +71,20 @@
     NUM_OF_CONTROLLER_SIGNAL                        ///< Number of PI controller signals
 } PI_CONTROLLER_SIGNALS_ID;
 
+/// Enumeration of PI controller signals.
+typedef struct DebugControllerSignals
+{
+    F32 controlSignalReference;                     ///< Reference value
+    F32 controlSignalMeasured;                      ///< Measured value
+    F32 controlSignalError;                         ///< Error value
+    F32 controlSignalErrorSum;                      ///< Error sum before anti-windup
+    F32 controlSignalErrorSumAfterWindup;           ///< Error sum after anti-windup
+    F32 controlSignalProportionalOutput;            ///< P portion of controller output signal
+    F32 controlSignalIntegralOutput;                ///< I portion of controller output signal
+    F32 controlSignalFeedDorwardOutput;             ///< Feed forward portion of controller output signal
+    F32 controlSingalControl;                       ///< Controller output signal
+ } PI_CONTROLLER_SIGNALS_DATA;
+
 /// Data structure for PI control profiles.
 typedef struct
 {
@@ -90,6 +106,8 @@
 F32 getPIControllerSignals( PI_CONTROLLER_ID_T controllerID, PI_CONTROLLER_SIGNALS_ID signalID );
 void setPIControllerStepLimit( PI_CONTROLLER_ID_T controllerID, F32 stepLimit );
 
+PI_CONTROLLER_SIGNALS_DATA getDebugPIControllerSignals( PI_CONTROLLER_ID_T controllerID );
+
 /**@}*/
 
 #endif