Index: firmware/App/Services/FPGA.c
===================================================================
diff -u -r935694e8acbb551be64549e014d1f1963cf6240d -r38b5b0408730290c3ad591711ba1613e85045cd5
--- firmware/App/Services/FPGA.c	(.../FPGA.c)	(revision 935694e8acbb551be64549e014d1f1963cf6240d)
+++ firmware/App/Services/FPGA.c	(.../FPGA.c)	(revision 38b5b0408730290c3ad591711ba1613e85045cd5)
@@ -151,12 +151,12 @@
     U16 bloodOcclusionData;                     ///< Reg 276.  Blood pump occlusion sensor data.
     U08 bloodOcclusionReadCount;                ///< Reg 278.  Blood pump occlusion sensor read count.
     U08 bloodOcclusionErrorCount;               ///< Reg 279.  Blood pump occlusion sensor error count.
-    U16 dialysateInOcclusionData;               ///< Reg 280.  Dialysate inlet pump occlusion sensor data.
-    U08 dialysateInOcclusionReadCount;          ///< Reg 282.  Dialysate inlet pump occlusion sensor read count.
-    U08 dialysateInOcclusionErrorCount;         ///< Reg 283.  Dialysate inlet pump occlusion sensor error count.
-    U16 dialysateOutOcclusionData;              ///< Reg 284.  Dialysate outlet pump occlusion sensor data.
-    U08 dialysateOutOcclusionReadCount;         ///< Reg 286.  Dialysate outlet pump occlusion sensor read count.
-    U08 dialysateOutOcclusionErrorCount;        ///< Reg 287.  Dialysate outlet pump occlusion sensor error count.
+    U16 obsolete1;                              ///< Reg 280.  Unused.
+    U08 obsolete2;                              ///< Reg 282.  Unused.
+    U08 obsolete3;                              ///< Reg 283.  Unused.
+    U16 obsolete4;                              ///< Reg 284.  Unused.
+    U08 obsolete5;                              ///< Reg 286.  Unused.
+    U08 obsolete6;                              ///< Reg 287.  Unused.
     U16 bloodPumpHallSensorCount;               ///< Reg 288.  Blood pump hall sensor count.
     U08 bloodPumpHallSensorStatus;              ///< Reg 290.  Blood pump hall sensor status.
     U08 dialInPumpHallSensorStatus;             ///< Reg 291.  Dialysate inlet pump hall sensor status.
@@ -1540,32 +1540,6 @@
 
 /*********************************************************************//**
  * @brief
- * The getFPGADialInPumpOcclusion function gets the latest dialysate
- * inlet occlusion reading.
- * @details Inputs: fpgaSensorReadings
- * @details Outputs: none
- * @return last dialysate inlet occlusion reading
- *************************************************************************/
-U16 getFPGADialInPumpOcclusion( void )
-{
-    return fpgaSensorReadings.dialysateInOcclusionData;
-}
-
-/*********************************************************************//**
- * @brief
- * The getFPGADialOutPumpOcclusion function gets the latest dialysate
- * outlet occlusion reading.
- * @details Inputs: fpgaSensorReadings
- * @details Outputs: none
- * @return last dialysate outlet occlusion reading
- *************************************************************************/
-U16 getFPGADialOutPumpOcclusion( void )
-{
-    return fpgaSensorReadings.dialysateOutOcclusionData;
-}
-
-/*********************************************************************//**
- * @brief
  * The getFPGABloodPumpOcclusionReadCounter function gets the latest blood
  * pump occlusion read counter.
  * @details Inputs: fpgaSensorReadings
@@ -1579,32 +1553,6 @@
 
 /*********************************************************************//**
  * @brief
- * The getFPGADialInPumpOcclusionReadCounter function gets the latest dialysate
- * inlet pump occlusion read counter.
- * @details Inputs: fpgaSensorReadings
- * @details Outputs: none
- * @return last dialysate inlet pump occlusion read counter
- *************************************************************************/
-U08 getFPGADialInPumpOcclusionReadCounter( void )
-{
-    return fpgaSensorReadings.dialysateInOcclusionReadCount;
-}
-
-/*********************************************************************//**
- * @brief
- * The getFPGADialOutPumpOcclusionReadCounter function gets the latest dialysate
- * outlet pump occlusion read counter.
- * @details Inputs: fpgaSensorReadings
- * @details Outputs: none
- * @return last dialysate outlet pump occlusion read counter
- *************************************************************************/
-U08 getFPGADialOutPumpOcclusionReadCounter( void )
-{
-    return fpgaSensorReadings.dialysateOutOcclusionReadCount;
-}
-
-/*********************************************************************//**
- * @brief
  * The getFPGABloodPumpOcclusionErrorCounter function gets the latest blood
  * pump occlusion error counter.
  * @details Inputs: fpgaSensorReadings
@@ -1618,32 +1566,6 @@
 
 /*********************************************************************//**
  * @brief
- * The getFPGADialInPumpOcclusionErrorCounter function gets the latest dialysate
- * inlet pump occlusion error counter.
- * @details Inputs: fpgaSensorReadings
- * @details Outputs: none
- * @return last dialysate inlet pump occlusion error counter
- *************************************************************************/
-U08 getFPGADialInPumpOcclusionErrorCounter( void )
-{
-    return fpgaSensorReadings.dialysateInOcclusionErrorCount;
-}
-
-/*********************************************************************//**
- * @brief
- * The getFPGADialOutPumpOcclusionErrorCounter function gets the latest dialysate
- * outlet pump occlusion error counter.
- * @details Inputs: fpgaSensorReadings
- * @details Outputs: none
- * @return last dialysate outlet pump occlusion error counter
- *************************************************************************/
-U08 getFPGADialOutPumpOcclusionErrorCounter( void )
-{
-    return fpgaSensorReadings.dialysateOutOcclusionErrorCount;
-}
-
-/*********************************************************************//**
- * @brief
  * The getFPGAArterialPressure function gets the latest arterial pressure reading.
  * High byte indicates alarm status for ADC channel.
  * Low 24-bits are channel reading.  Subtract 2^23 from low 24 bits to get