Index: firmware/App/Controllers/Valves.h
===================================================================
diff -u -rd9b5f588d81e15ed3849222bed3362e15dbf4b0a -r65a7fc82d6eb8fca3cd74d7071137bca3615deb8
--- firmware/App/Controllers/Valves.h	(.../Valves.h)	(revision d9b5f588d81e15ed3849222bed3362e15dbf4b0a)
+++ firmware/App/Controllers/Valves.h	(.../Valves.h)	(revision 65a7fc82d6eb8fca3cd74d7071137bca3615deb8)
@@ -1,17 +1,17 @@
 /**************************************************************************
 *
-* Copyright (c) 2024-2024 Diality Inc. - All Rights Reserved.
+* Copyright (c) 2024-2025 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    Valves.h
 *
-* @author  (last)      Sean
-* @date    (last)      08-Oct-2024
+* @author  (last)      Dara Navaei
+* @date    (last)      19-Dec-2025
 *
-* @author  (original)  Sean
-* @date    (original)  08-Oct-2024
+* @author  (original)  Sean Nash
+* @date    (original)  24-Oct-2024
 *
 ***************************************************************************/
 
@@ -37,9 +37,10 @@
 typedef enum valveStatesNames
 {
     VALVE_POSITION_NOT_IN_POSITION = 0, ///< Valve position is unknown (cannot be used as a command)
-    VALVE_POSITION_A_INSERT_EJECT,      ///< Position A, Insert/Eject (current position or commanded)
-    VALVE_POSITION_B_OPEN,              ///< Position B, Open (current position or commanded)
-    VALVE_POSITION_C_CLOSE,             ///< Position C, Close (current position or commanded)
+    VALVE_POSITION_A_INSERT_EJECT,      ///< Position A, Insert/Eject
+    VALVE_POSITION_B_OPEN,              ///< Position B, Open
+    VALVE_POSITION_C_CLOSE,             ///< Position C, Close
+    VALVE_POSITION_D_PARTIAL_CLOSE,     ///< Position D, partial close
     NUM_OF_VALVE_POSITIONS,             ///< Number of valve positions
 } VALVE_POSITION_T;
 
@@ -52,6 +53,11 @@
     U32 currentPosID;                  ///< Current position (enum)
     S16 currentPos;                    ///< Current position in encoder counts
     S16 cmdPos;                        ///< Commanded position (enum)
+    S16 posA;                          ///< Position A (count)
+    S16 posB;                          ///< Position B (count)
+    S16 posC;                          ///< Position C (count)
+    S16 posD;                          ///< Position D (count)
+    S16 maxHomingPos;                  ///< Maximum homing position
 } TD_VALVE_DATA_T;
 #pragma pack(pop)