Index: firmware/App/Services/FpgaDD.c
===================================================================
diff -u -r564f2989d8c969b0182c2a1833da38218a175688 -rcd4dd9f9928825dd673856bd6cf51ae47576ff79
--- firmware/App/Services/FpgaDD.c	(.../FpgaDD.c)	(revision 564f2989d8c969b0182c2a1833da38218a175688)
+++ firmware/App/Services/FpgaDD.c	(.../FpgaDD.c)	(revision cd4dd9f9928825dd673856bd6cf51ae47576ff79)
@@ -8,8 +8,8 @@
 *
 * @file    FpgaDD.c
 *
-* @author  (last)      Sameer Kalliadan Poyil
-* @date    (last)      16-Apr-2026
+* @author  (last)      Michael Garthwaite
+* @date    (last)      09-Jul-2026
 *
 * @author  (original)  Vinayakam Mani
 * @date    (original)  26-Aug-2024
@@ -318,7 +318,7 @@
     U16 fpgaD18PresTemp;                        ///< Reg 534. D18 MPM pressure sensor RAW temperature data
     U16 fpgaD41PresPressure;                    ///< Reg 536. D41 MPM pressure sensor RAW pressure data
     U16 fpgaD41PresTemp;                        ///< Reg 538. D41 MPM pressure sensor RAW temperature data
-    U32 fpgaAvailableRegister1;                 ///< Reg 540. Available register 1
+    U32 fpgaD92SpeedCnt;                        ///< Reg 540. D92 Substitution Pump Hall sensor speed counter.
     U08 fpgaHallSensInputs;                     ///< Reg 544. Hall sensor Inputs
     U08 fpgaD42TxFIFOCnt;                       ///< Reg 545. Blood leak sensor transmit FIFO count
     U16 fpgaD42RxErrorCnt;                      ///< Reg 546. Blood leak sensor Receive error count
@@ -458,6 +458,11 @@
     U08 fpgaP18TempReadCount;                   ///< Reg 818. P18 temperature successful read count
     U08 fpgaP18TempErrorCount;                  ///< Reg 819. P18 Temperature error read count
     U08 fpgaP18CalMemCounter;                   ///< Reg 820. P18 CAL counter
+    U08 notUsed;                                ///< Reg 821. Not used.
+    U16 fpgaACDCPMonIrms;                       ///< Reg 822. AC DC Power Supply RMS Current
+    U16 fpgaACDCPMonVrms;                       ///< Reg 824. AC DC Power Supply RMS Voltage
+    U16 fpgaACHeaterPMonIrms;                   ///< Reg 826. AC Heater RMS Current
+    U16 fpgaACHeaterPMonVrms;                   ///< Reg 828. AC Heater RMS Voltage.
 } DD_FPGA_SENSORS_T;
 
 // TODO: Remove when Beta 1.9 is obsolete
@@ -1422,6 +1427,7 @@
 {
     fpgaActuatorSetPoints.fpgaD92PumpRevCount = count;
 }
+
 /*********************************************************************//**
  * @brief
  * The setFPGAD5HeaterOnOffControl function sets the primary heater
@@ -4002,4 +4008,65 @@
     return fpgaSensorReadings.fpgaP18CalMemCounter;
 }
 
+/*********************************************************************//**
+ * @brief
+ * The getFPGAD92PumpHallSenseCount function gets substitution pump, D92,
+ * hall sensor speed counter.
+ * @details \b Inputs: fpgaD92SpeedCnt
+ * @details \b Outputs: none
+ * @return substitution pump hall sense pulse width
+ *************************************************************************/
+U32 getFPGAD92PumpHallSenseCount( void )
+{
+    return fpgaSensorReadings.fpgaD92SpeedCnt;
+}
+
+/*********************************************************************//**
+ * @brief
+ * The getFPGAACToDCPowerSupplyCurrent function gets AC/DC Power Supply Current
+ * @details \b Inputs: fpgaACDCPMonIrms
+ * @details \b Outputs: none
+ * @return power supply current in counts.
+ *************************************************************************/
+U16 getFPGAACToDCPowerSupplyCurrent( void )
+{
+    return fpgaSensorReadings.fpgaACDCPMonIrms;
+}
+
+/*********************************************************************//**
+ * @brief
+ * The getFPGAACToDCPowerSupplyVoltage function gets AC/DC Power Supply Voltage
+ * @details \b Inputs: fpgaACDCPMonVrms
+ * @details \b Outputs: none
+ * @return power supply voltage in counts.
+ *************************************************************************/
+U16 getFPGAACToDCPowerSupplyVoltage( void )
+{
+    return fpgaSensorReadings.fpgaACDCPMonVrms;
+}
+
+/*********************************************************************//**
+ * @brief
+ * The getFPGAACHeaterCurrent function gets AC Heater Current
+ * @details \b Inputs: fpgaACHeaterPMonIrms
+ * @details \b Outputs: none
+ * @return ac heater current in counts.
+ *************************************************************************/
+U16 getFPGAACHeaterCurrent( void )
+{
+    return fpgaSensorReadings.fpgaACHeaterPMonIrms;
+}
+
+/*********************************************************************//**
+ * @brief
+ * The getFPGAACHeaterVoltage function gets AC Heater Voltage
+ * @details \b Inputs: fpgaACHeaterPMonVrms
+ * @details \b Outputs: none
+ * @return power supply current in counts.
+ *************************************************************************/
+U16 getFPGAACHeaterVoltage( void )
+{
+    return fpgaSensorReadings.fpgaACHeaterPMonVrms;
+}
+
 /**@}*/