Index: firmware/App/Monitors/Level.h
===================================================================
diff -u -r3b6bf2cb6d15da8cb273cff109d2c4b1ee99d546 -rc07917caced76b53a0ed8f35167fac6f9d8310a4
--- firmware/App/Monitors/Level.h	(.../Level.h)	(revision 3b6bf2cb6d15da8cb273cff109d2c4b1ee99d546)
+++ firmware/App/Monitors/Level.h	(.../Level.h)	(revision c07917caced76b53a0ed8f35167fac6f9d8310a4)
@@ -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    Level.h
 *
-* @author  (last)      Vinayakam Mani
-* @date    (last)      11-Oct-2024
+* @author  (last)      Michael Garthwaite
+* @date    (last)      15-Sep-2025
 *
 * @author  (original)  Vinayakam Mani
-* @date    (original)  11-Oct-2024
+* @date    (original)  14-Oct-2024
 *
 ***************************************************************************/
 
@@ -36,11 +36,19 @@
 typedef enum level_names
 {
     D6_LEVL = 0,                        ///< floater switch low, medium and high status
+    FIRST_DD_LEVL = D6_LEVL,            ///< First DD level
     D63_LEVL,                           ///< bicarb level low or high status
     D46_LEVL,                           ///< Spent dialysate air separation chamber level low or high status
+    LAST_DD_LEVL = D46_LEVL,            ///< Last DD level
+    P25_LEVL,                           ///< FP level sensor
+    FIRST_FP_LEVL = P25_LEVL,           ///< FP first level sensor
+    LAST_FP_LEVL = P25_LEVL,            ///< FP last level sensor
     NUM_OF_LEVELS                       ///< Number of levels
-} LELVEL_T;
+} LEVEL_T;
 
+#define NUM_OF_DD_LEVL      ( ( LAST_DD_LEVL - FIRST_DD_LEVL ) + 1 )
+#define NUM_OF_IOFP_LEVL    ( ( LAST_FP_LEVL - FIRST_FP_LEVL ) + 1 )
+
 /// floater and level sensor states.
 typedef enum level_States
 {
@@ -57,16 +65,24 @@
     U32 d6Level;                        ///< Floater level
     U32 d63Level;                       ///< Bicarb level
     U32 d46Level;                       ///< Spent dialysate level
-} LEVEL_DATA_T;
+} DD_LEVEL_DATA_T;
 
+/// FP floater and level sensor data publish structure
+typedef struct
+{
+    U32 p25Level;                       ///< Floater level
+} FP_LEVEL_DATA_T;
+
 // ********** public function prototypes **********
 
 void initLevels( void );
 void execLevels( void );
-LEVEL_STATE_T getLevelStatus( LELVEL_T levelId );
+LEVEL_STATE_T getLevelStatus( LEVEL_T levelId );
 
 BOOL testLevelsDataPublishIntervalOverride( MESSAGE_T *message );
 BOOL testLevelStatusOverride( MESSAGE_T *message );
+BOOL testFPLevelsDataPublishIntervalOverride( MESSAGE_T *message );
+BOOL testFPLevelStateOverride( MESSAGE_T *message );
 
 /**@}*/