Index: firmware/App/Services/FPGA.c
===================================================================
diff -u -rffb9960f7b97e71ba78844c60158d344c909db94 -rb5756e5b5041288a2e95585990cce5a93756d693
--- firmware/App/Services/FPGA.c	(.../FPGA.c)	(revision ffb9960f7b97e71ba78844c60158d344c909db94)
+++ firmware/App/Services/FPGA.c	(.../FPGA.c)	(revision b5756e5b5041288a2e95585990cce5a93756d693)
@@ -119,9 +119,9 @@
     U08 dialInPumpHallSensorStatus;             ///< Reg 291.  Dialysate inlet pump hall sensor status.
     U32 adc1Channel0;                           ///< Reg 292.  ADC1 channel 0 data.
     U32 adc1Channel1;                           ///< Reg 296.  ADC1 channel 1 data.
-    U32 adc1Channel2;                           ///< Reg 300.  ADC1 channel 2 data.
-    U32 adc1Channel3;                           ///< Reg 304.  ADC1 channel 3 data.
-    U32 adc1channel4;                           ///< Reg 308.  ADC1 channel 4 data.
+    U32 bloodFlowSoundSpeedData;                ///< Reg 300.  Blood flow sensor - sound speed data.
+    U32 bloodFlowAccFlowData;                   ///< Reg 304.  Blood flow sensor - accumualted flow data.
+    F32 bloodFlowSignalStrength;                ///< Reg 308.  Blood flow sensor - signal strength.
     U08 adc1SequenceCount;                      ///< Reg 312.  ADC1 round robin channel sequence count.
     U08 adc1ErrorCount;                         ///< Reg 313.  ADC1 error count.
     U16 accelX;                                 ///< Reg 314.  Accelerometer X axis data.
@@ -138,6 +138,23 @@
     U08 dialOutPumpSensorStatus;                ///< Reg 335.  Dialysate outlet pump hall sensor status.
     U16 dialInPumpHallSensorCount;              ///< Reg 336.  Dialysate inlet pump hall sensor count.
     U16 dialOutPumpHallSensorCount;             ///< Reg 338.  Dialysate outlet pump hall sensor count.
+    U32 dialysateFlowSoundSpeedData;            ///< Reg 340.  Dialysate flow sensor - sound speed data.
+    U32 dialysateFlowAccFlowData;               ///< Reg 344.  Dialysate flow sensor - accumualted flow data.
+    F32 dialysateFlowSignalStrength;            ///< Reg 348.  Dialysate flow sensor - signal strength.
+    U16 fan1PulseTime;                          ///< Reg 352.  Fan 1 pulse time in 2.5 uSec resolution.  0xFFFF if fan RPM < 500 RPM.
+    U16 fan2PUlseTime;                          ///< Reg 354.  Fan 2 pulse time in 2.5 uSec resolution.  0xFFFF if fan RPM < 500 RPM.
+    U16 fpgaGPIO;                               ///< Reg 356.  FPGA GPIO register.
+    S16 VBaPosition;                            ///< Reg 358.  Encoder position from VBA pinch valve.  0 until PID interface is enabled.
+    S16 VBvPosition;                            ///< Reg 360.  Encoder position from VBV pinch valve.  0 until PID interface is enabled.
+    S16 VDioPosition;                           ///< Reg 362.  Encoder position from VDio pinch valve.  0 until PID interface is enabled.
+    S16 VDzrPosition;                           ///< Reg 364.  Encoder position from VDZR pinch valve.  0 until PID interface is enabled.
+    S16 VDfPosition;                            ///< Reg 366.  Encoder position from VDf pinch valve.  0 until PID interface is enabled.
+    U16 valveStatus;                            ///< Reg 368.  Valve status register.
+    U16 VBaPWMTarget;                           ///< Reg 370.  PWM target duty cycle for VBA pinch valve.
+    U16 VBvPWMTarget;                           ///< Reg 372.  PWM target duty cycle for VBV pinch valve.
+    U16 VDioPWMTarget;                          ///< Reg 374.  PWM target duty cycle for VDio pinch valve.
+    U16 VDzrPWMTarget;                          ///< Reg 376.  PWM target duty cycle for VDZR pinch valve.
+    U16 VDfPWMTarget;                           ///< Reg 378.  PWM target duty cycle for VDF pinch valve.
 } FPGA_SENSORS_T;
 
 /// Record structure for FPGA continuous priority writes.
@@ -1005,7 +1022,6 @@
     fpgaHeader.fpgaControl = ctrl;
 }
 
-#ifdef READ_FPGA_ASYNC_DATA
 /*********************************************************************//**
  * @brief
  * The getFPGABloodFlowSignalStrength function gets the latest blood flow \n
@@ -1017,7 +1033,7 @@
  *************************************************************************/
 F32 getFPGABloodFlowSignalStrength( void )
 {
-    return fpgaSensorReadingsAsync.bloodFlowSignalStrength;
+    return fpgaSensorReadings.bloodFlowSignalStrength;
 }
 
 /*********************************************************************//**
@@ -1031,9 +1047,8 @@
  *************************************************************************/
 F32 getFPGADialysateFlowSignalStrength( void )
 {
-    return fpgaSensorReadingsAsync.dialysateInFlowSignalStrength;
+    return fpgaSensorReadings.dialysateFlowSignalStrength;
 }
-#endif
 
 /*********************************************************************//**
  * @brief