Index: firmware/App/Drivers/PressureSensor.h
===================================================================
diff -u -red39129abdca4ec343369d83494530b23621e052 -r50144ec3e96785cf76d5bfd22ee65029c82e732b
--- firmware/App/Drivers/PressureSensor.h	(.../PressureSensor.h)	(revision ed39129abdca4ec343369d83494530b23621e052)
+++ firmware/App/Drivers/PressureSensor.h	(.../PressureSensor.h)	(revision 50144ec3e96785cf76d5bfd22ee65029c82e732b)
@@ -1,17 +1,17 @@
 /**************************************************************************
 *
-* Copyright (c) 2024-2024 Diality Inc. - All Rights Reserved.
+* Copyright (c) 2024-2026 Diality Inc. - All Rights Reserved.
 *
 * THIS CODE MAY NOT BE COPIED OR REPRODUCED IN ANY FORM, IN PART OR IN
 * WHOLE, WITHOUT THE EXPLICIT PERMISSION OF THE COPYRIGHT OWNER.
 *
 * @file    PressureSensor.h
 *
-* @author  (last)      Vinayakam Mani
-* @date    (last)      04-Sep-2024
+* @author  (last)      Varshini Nagabooshanam
+* @date    (last)      12-Jan-2026
 *
 * @author  (original)  Vinayakam Mani
-* @date    (original)  04-Sep-2024
+* @date    (original)  12-Sep-2024
 *
 ***************************************************************************/
 
@@ -35,15 +35,23 @@
 /// Enumeration of pressure sensors monitored by this module.
 typedef enum PressureSensors
 {
-    M1_PRES = 0,                                ///< Water Inlet pressure before regulator (PRi)
-    PRESSURE_SENSOR_FIRST = M1_PRES,            ///< First pressure to scan
-    M3_PRES,                                    ///< Water Inlet pressure after regulator (PRo)
-    D9_PRES,                                    ///< Hydraulics outlet pressure (PHo/Pn)
+    D9_PRES = 0,                                ///< Hydraulics outlet pressure (PHo/Pn)
+    FIRST_DD_PRESSURE_SENSOR = D9_PRES,         ///< Start of DD pressure sensor group
     D66_PRES,                                   ///< Dry Bicarb pressure (PDB/PCb)
     D51_PRES,                                   ///< Spent Dialysate pressure (PDs)
     D18_PRES,                                   ///< Fresh Dialysate pressure (PDf)
     D41_PRES,                                   ///< Transmembrane pressure (Ptm)
-    BARO_PRES,                                  ///< barometric pressure sensor
+    D87_PRES,                                   ///< Dialysate pressure
+    LAST_DD_PRESSURE_SENSOR = D87_PRES,         ///< End of DD pressure sensor group
+    M3_PRES,                                    ///< Water inlet pressure after regulator (PR0)
+    FIRST_IO_PRESSURE_SENSOR = M3_PRES,         ///< Start of IO pressure sensor group
+    LAST_IO_PRESSURE_SENSOR = M3_PRES,          ///< End of IO pressure sensor group
+    P8_PRES,                                    ///< Water inlet pressure before conductivity sensor
+    FIRST_FP_PRESSURE_SENSOR = P8_PRES,         ///< Start of FP pressure sensor group
+    P13_PRES,                                   ///< Pressure before RO filter
+    P17_PRES,                                   ///< Pressure after RO filter
+    P46_PRES,                                   ///< Pressure after sediment filter
+    LAST_FP_PRESSURE_SENSOR = P46_PRES,         ///< End of FP pressure sensor group
     NUM_OF_PRESSURE_SENSORS                     ///< Number of pressure sensors
 } PRESSURE_SENSORS_T;
 
@@ -53,13 +61,11 @@
 void readPressureSensors( void );
 F32 getPressure( PRESSURE_SENSORS_T sensor );
 F32 getPressureSensorTemperature( PRESSURE_SENSORS_T sensor );
-U32 getPressureSensorReadCount( PRESSURE_SENSORS_T sensor );
-U32 getPressureSensorErrorCount( PRESSURE_SENSORS_T sensor );
 
-BOOL testPressureSensorReadingsOverride( MESSAGE_T *message );
-BOOL testPressureSensorTemperatureReadingsOverride( MESSAGE_T *message );
-BOOL testPressureSensorReadCounterOverride( MESSAGE_T *message );
-BOOL testPressureSensorErrorCounterOverride( MESSAGE_T *message );
+BOOL testDDPressureSensorReadingsOverride( MESSAGE_T *message );
+BOOL testDDPressureSensorTemperatureReadingsOverride( MESSAGE_T *message );
+BOOL testIOFPPressureSensorReadingsOverride( MESSAGE_T *message );
+BOOL testIOFPPressureSensorTemperatureReadingsOverride( MESSAGE_T *message );
 
 /**@}*/