Index: firmware/App/Modes/ModeGenDialysate.h
===================================================================
diff -u -r345a9b1694f4b0a9c9d3e9be45ee2e1f113dc942 -ra6737c3bcc8286c153b778c2c395f465e76aaafb
--- firmware/App/Modes/ModeGenDialysate.h	(.../ModeGenDialysate.h)	(revision 345a9b1694f4b0a9c9d3e9be45ee2e1f113dc942)
+++ firmware/App/Modes/ModeGenDialysate.h	(.../ModeGenDialysate.h)	(revision a6737c3bcc8286c153b778c2c395f465e76aaafb)
@@ -8,7 +8,7 @@
 * @file    ModeGenDialysate.h
 *
 * @author  (last)      Jashwant Gantyada
-* @date    (last)      13-Mar-2026
+* @date    (last)      07-May-2026
 *
 * @author  (original)  Vinayakam Mani
 * @date    (original)  06-Nov-2024
@@ -37,21 +37,13 @@
 #define DIAL_PUMP_DRAIN_RPM                     1000                                        ///< Nominal RPM target for dialysate pump to drain the dry bicart.
 #define SPENT_DIAL_PUMP_FILL_RPM                200                                         ///< Nominal RPM target for spent chamber fill operations.
 
-/// Generate dialysate mode data structure
-typedef struct
-{
-    U32 genDialysateExecState;                          ///< Generate dialysate execution state
-    BOOL isDialDelInProgress;                           ///< Whether Dialysate Delivery in progress or not
-    BOOL isDialysateGoodtoDeliver;                      ///< Ready to deliver dialysate or not
-    F32 currentQd;                                      ///< Current dialysate flow rate (ml/min)
-} GEN_DIALYSATE_MODE_DATA_T;
-
 // ********** public function prototypes **********
 
 void initGenDialysateMode( void );                          // Initialize this gen dialysate mode unit
 U32  transitionToGenDialysateMode( void );                  // Prepares for transition to gen dialysate mode
 U32  execGenDialysateMode( void );                          // Execute the gen dialysate mode state machine (call from OperationModes)
 void execGenDialysateMonitor( void );                       // Dialysate generation monitor
+void setTargetHydChamberTemp( F32 temperature );            // Set Target D5 temperature control
 
 BOOL hydChamberWaterInletControl( void );                   // Hydraulics chamber inlet water control
 DD_GEND_MODE_STATE_T getCurrentGenDialysateState( void );   // Get the current state of the gen dialysate mode.
@@ -61,8 +53,8 @@
 BOOL requestDDGenDialyasteStop( void );                     // Stop generate dialysate
 U32 getD48PumpSpeedForBCFill( void );                       // Get D48 pump speed
 void setD48PumpSpeedForBCFill( U32 pumpSpeed );             // Set D48 pump speed
-U32 calculateD48PumpSpeedForBCFill( void );                 // Calculate and store initial D48 pump speed
-U32 getCalculatedD48PumpSpeedForBCFill( void );             // Get nominal D48 speed from formula only
+U32 getD48PumpSpeed( void );                                // Ceiled Diener RPM
+U32 getCalculatedD48PumpSpeedForBCFill( void );             // D48 RPM for BC fill (Diener with low-speed floor)
 
 BOOL testDDGenDialysateDataPublishIntervalOverride( MESSAGE_T *message );   // GenD Mode data publish interval override
 BOOL testDialDeliveryInProgressOverride( MESSAGE_T *message );              // To override the dialysate delivery in progress flag