Index: firmware/App/Services/FpgaDD.c
===================================================================
diff -u -rb85c96bbdc61bfd3a3b8dfb3b538cbacd497cf6e -rcd4017b7f69dfb4a86880ebae31def1839f754db
--- firmware/App/Services/FpgaDD.c	(.../FpgaDD.c)	(revision b85c96bbdc61bfd3a3b8dfb3b538cbacd497cf6e)
+++ firmware/App/Services/FpgaDD.c	(.../FpgaDD.c)	(revision cd4017b7f69dfb4a86880ebae31def1839f754db)
@@ -8,8 +8,8 @@
 *
 * @file    FpgaDD.c
 *
-* @author  (last)      Varshini Nagabooshanam
-* @date    (last)      27-Jan-2026
+* @author  (last)      Vinayakam Mani
+* @date    (last)      09-Feb-2026
 *
 * @author  (original)  Vinayakam Mani
 * @date    (original)  26-Aug-2024
@@ -208,8 +208,8 @@
     U08 fpgaValveSpPWMStates;                   ///< Reg 599. Spare Valves PWM states
     U08 fpgaD11_D10_PumpFault;                  ///< Reg 600. Concentrate pump fault register for D11_Pump and D10_Pump
     U08 fpgaRTDCountErrorCycles;                ///< Reg 601. Count of each incomplete seq of reads from RTD ADC.
-    U16 fpgaD11PumpHallSense;                   ///< Reg 602. Concentrate pump D11_Pump hall sensor pulse width
-    U16 fpgaD10PumpHallSense;                   ///< Reg 604. Concentrate pump D10_Pump hall sensor pulse width
+    U16 fpga_UnUsed_4;                          ///< Reg 602. Not Used
+    U16 fpga_UnUsed_5;                          ///< Reg 604. Not Used
     U32 fpgaD78Temp;                            ///< Reg 606. Outlet heat exchanger temperature
     U32 fpgaD1Temp;                             ///< Reg 610. Inlet heat exchanger temperature
     U32 fpgaD4Temp;                             ///< Reg 614. Hydraulics primary heater temperature
@@ -233,10 +233,10 @@
     U16 fpgaAdcVpVn;                            ///< Reg 648. TBD
     U16 fpgaD12PumpSpeedFeedback;               ///< Reg 650. D12 Pump speed feedback
     U16 fpgaD48PumpSpeedFeedback;               ///< Reg 652. D48 Pump Speed feedback
-    U16 fpgaD76PumpHallSense;                   ///< Reg 654. UF D76_Pump hall sensor pulse width
+    U16 fpga_UnUsed_6;                          ///< Reg 654. Not used
     U16 fpgaD76PumpStepCountStatus;             ///< Reg 656. UF pump revolution down count status
     U08 fpgaD76PumpFault;                       ///< Reg 658: UF pump fault
-    U08 fpga_UnUsed_3;                          ///< reg 659: Not used
+    U08 fpga_UnUsed_3;                          ///< Reg 659: Not used
 
     //TODO: Change the variable names to start with fpga as the prefix.
     S16 pressureP46;                            ///< Reg 660.  P46 pressure data.
@@ -293,6 +293,10 @@
     U16 fpgaD74CondTemp;                        ///< Reg 756. D74 Temperature
     U08 fpgaD74CondReadCnt;                     ///< Reg 758. D74 successful read count
     U08 fpgaD74CondErrorCnt;                    ///< Reg 759. D74 error read count
+    U32 fpgaD11PumpHallSense;                   ///< Reg 760. Concentrate pump D11_Pump hall sensor pulse width
+    U32 fpgaD10PumpHallSense;                   ///< Reg 764. Concentrate pump D10_Pump hall sensor pulse width
+    U32 fpgaD76PumpHallSense;                   ///< Reg 768. UF D76_Pump hall sensor pulse width
+    U32 fpgaTestBytes;                          ///< Reg 772. FPGA Test 4 bytes
 } DD_FPGA_SENSORS_BETA_1_9_T;
 
 typedef struct
@@ -481,10 +485,10 @@
     U08 fpgaD12PumpControl;                     ///< Reg 36. DGP Control
     U08 fpgaD48PumpControl;                     ///< Reg 37. SDP Control
     U16 fpgaD48PumpSpeed;                       ///< Reg 38. SDP Speed/RPM Control
-    U16 fpgaD11PumpSpeed;                       ///< Reg 40. Acid Concentrate Pump Speed/RPM Control
+    U16 fpgaNotUsed_1;                          ///< Reg 40. Not used
     U08 fpgaD11PumpControl;                     ///< Reg 42. Acid Concentrate Pump Control
     U08 fpgaD10PumpControl;                     ///< Reg 43. BiCarb Concentrate Pump Control
-    U16 fpgaD10PumpSpeed;                       ///< Reg 44. BiCarb Concentrate Pump Speed/RPM Control
+    U16 fpgaNotUsed_2;                          ///< Reg 44. Not used
     U08 fpgaD42SensorTest;                      ///< Reg 46. Blood leak sensor test
     U08 fpgaD42UARTControl;                     ///< Reg 47. Blood leak sensor UART control
     U08 fpgaD42FIFOTx;                          ///< Reg 48. Blood leak sensor FIFO transmit control
@@ -503,7 +507,7 @@
     U08 fpgaGPIOControl;                        ///< Reg 69. FPGA GPIO control interface
     U16 fpgaACRelayPWMLow;                      ///< Reg 70. Length of time in 10us resoultion that PWM output stays low.
     U16 fpgaACRelayPWMPeriod;                   ///< Reg 72. PWM period for AC relay/heater.
-    U16 fpgaD76PumpSpeed;                       ///< Reg 74. UF Pump Speed/RPM Control
+    U16 fpgaNotUsed_3;                          ///< Reg 74. Not Used
     U16 fpgaD76PumpRevCount;                    ///< Reg 76. UF pump revolution count
     U08 fpgaD76PumpControl;                     ///< Reg 78. UF Pump Control
 
@@ -536,6 +540,10 @@
     U08 fpgaConSensD43Control;                  ///< Reg 118. Conductivity/Temperature Sensors D43 Control registers
     U16 fpgaConSensD43_Addrs;                   ///< Reg 119. D43 Initialization Address register
     U32 fpgaConSensD43_Data_In;                 ///< Reg 121. D43 Initialization data register
+    U08 fpgaNotUsed_4;                          ///< Reg 125. Not used
+    U32 fpgaD11PumpSpeed;                       ///< Reg 126. Acid Concentrate Pump Speed/RPM Control
+    U32 fpgaD10PumpSpeed;                       ///< Reg 130. BiCarb Concentrate Pump Speed/RPM Control
+    U32 fpgaD76PumpSpeed;                       ///< Reg 134. UF Pump Speed/RPM Control
 } FPGA_ACTUATORS_BETA_1_9_T;
 
 typedef struct
@@ -1165,7 +1173,7 @@
  * @param stepSpeed The concentrate pump step speed period
  * @return none
  *************************************************************************/
-void setFPGAD11PumpSetStepSpeed( U16 stepSpeed )
+void setFPGAD11PumpSetStepSpeed( U32 stepSpeed )
 {
     SET_FPGA_ACTUATOR_FIELD( fpgaD11PumpSpeed, stepSpeed );
 }
@@ -1179,7 +1187,7 @@
  * @param stepSpeed The concentrate pump step speed period
  * @return none
  *************************************************************************/
-void setFPGAD10PumpSetStepSpeed( U16 stepSpeed )
+void setFPGAD10PumpSetStepSpeed( U32 stepSpeed )
 {
     SET_FPGA_ACTUATOR_FIELD( fpgaD10PumpSpeed, stepSpeed );
 }
@@ -1193,7 +1201,7 @@
  * @param stepSpeed The concentrate pump step speed period
  * @return none
  *************************************************************************/
-void setFPGAD76PumpSetStepSpeed( U16 stepSpeed )
+void setFPGAD76PumpSetStepSpeed( U32 stepSpeed )
 {
     SET_FPGA_ACTUATOR_FIELD( fpgaD76PumpSpeed, stepSpeed );
 }
@@ -2545,7 +2553,7 @@
  * @details \b Outputs: none
  * @return concentrate pump D11_Pump hall sense pulse width
  *************************************************************************/
-U16 getFPGAD11PumpHallSensePulseWidth( void )
+U32 getFPGAD11PumpHallSensePulseWidth( void )
 {
     return GET_FPGA_SENSOR_FIELD( fpgaD11PumpHallSense );
 }
@@ -2558,7 +2566,7 @@
  * @details \b Outputs: none
  * @return concentrate pump D10_Pump hall sense pulse width
  *************************************************************************/
-U16 getFPGAD10PumpHallSensePulseWidth( void )
+U32 getFPGAD10PumpHallSensePulseWidth( void )
 {
     return GET_FPGA_SENSOR_FIELD( fpgaD10PumpHallSense );
 }
@@ -2571,7 +2579,7 @@
  * @details \b Outputs: none
  * @return ultrafiltration pump D76_Pump hall sense pulse width
  *************************************************************************/
-U16 getFPGAD76PumpHallSensePulseWidth( void )
+U32 getFPGAD76PumpHallSensePulseWidth( void )
 {
     return GET_FPGA_SENSOR_FIELD( fpgaD76PumpHallSense );
 }