Index: firmware/App/Modes/FPModes/ModePreGenPermeate.h
===================================================================
diff -u -r6545787080956983fed6bd9c2717938c202917ab -r3e1af7cc2576e347ab8bdf2f400196b2301def07
--- firmware/App/Modes/FPModes/ModePreGenPermeate.h	(.../ModePreGenPermeate.h)	(revision 6545787080956983fed6bd9c2717938c202917ab)
+++ firmware/App/Modes/FPModes/ModePreGenPermeate.h	(.../ModePreGenPermeate.h)	(revision 3e1af7cc2576e347ab8bdf2f400196b2301def07)
@@ -1,17 +1,17 @@
 /**************************************************************************
 *
-* Copyright (c) 2024-2025 Diality Inc. - All Rights Reserved.
+* Copyright (c) 2025-2026 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    ModePreGenPermeate.h
 *
-* @author  (last)      Michael Garthwaite
-* @date    (last)      03-Mar-2025
+* @author  (last)      Raghu Kallala
+* @date    (last)      30-Mar-2026
 *
 * @author  (original)  Michael Garthwaite
-* @date    (original)  03-Mar-2025
+* @date    (original)  08-Sep-2025
 *
 ***************************************************************************/
 
@@ -40,15 +40,17 @@
 
 // ********** public function prototypes **********
 
-void initPreGenPMode( void );                               // Initialize this pre gen Permeate mode unit
-U32  transitionToPreGenPMode( void );                       // Transition to pre gen Permeate mode
-U32  execPreGenPMode( void );                               // Execute the pre gen Permeate mode state machine (call from OperationModes)
-BOOL requestPreGenStart( void );
-BOOL requestPreGenStop( void );
-BOOL getPreGenRequest( void );
-FP_PRE_GENP_MODE_STATE_T getCurrentPreGenPState( void );    // Get the current state of the pre gen Permeate mode
+void initPreGenPMode( void );                                       // Initialize this pre gen Permeate mode unit
+U32  transitionToPreGenPMode( void );                               // Transition to pre gen Permeate mode
+U32  execPreGenPMode( void );                                       // Execute the pre gen Permeate mode state machine (call from OperationModes)
+BOOL requestPreGenStart( void );                                    // Start pre gen permeate request
+BOOL requestPreGenStop( void );                                     // Stop pre gen permeate request
+BOOL getPreGenRequest( void );                                      // Get the pre gen permeate request status
+FP_PRE_GENP_MODE_STATE_T getCurrentPreGenPState( void );            // Get the current state of the pre gen Permeate mode
 
-BOOL testPreGenDataPublishIntervalOverride( MESSAGE_T *message );
+BOOL testPreGenDataPublishIntervalOverride( MESSAGE_T *message );   // Override broadcast interval for pre gen permeate
+BOOL testValidatePreGenPChangeReq( U32 newSubMode );                // Validate the requested pre gen permeate sub mode transition is possible or not
+void testSignalNewPreGenPSubMode( U32 newSubMode );                 // Signal transition to a new pre gen permeate sub mode
 
 /**@}*/