Index: firmware/App/Drivers/GLXferPump.h
===================================================================
diff -u -r16f07c4783e5778c68629ce68ab4f15e66508156 -rc0b541a7a9843a41290a17a4bb16dd3430f6324c
--- firmware/App/Drivers/GLXferPump.h	(.../GLXferPump.h)	(revision 16f07c4783e5778c68629ce68ab4f15e66508156)
+++ firmware/App/Drivers/GLXferPump.h	(.../GLXferPump.h)	(revision c0b541a7a9843a41290a17a4bb16dd3430f6324c)
@@ -36,6 +36,7 @@
 #define AIR_PUMP_MOTOR_OFF            0.0F            ///< Power level setting (PWM) for H12 air pump to turn pump off.
 #define AIR_PUMP_DUTY_CYCLE_MIN       0.0F            ///< Air pump minimum duty cycle in percentage
 #define AIR_PUMP_DUTY_CYCLE_MAX       100.0F          ///< Air pump maximum duty cycle in percentage
+#define AIR_PUMP_DUTY_CYCLE_LIMIT     24.0F           ///< Air pump limit duty cycle in percentage from 1- 23 as invalid
 #define AIR_PUMP_MAX_PWM              250             ///< Air pump maximum PWM, FPGA ignores 251-255
 
 // ********** public function prototypes **********
@@ -46,7 +47,9 @@
 F32 getAirPumpMotorPower( void );
 U16 getAirPumpMotorRPM( void );
 // TODO:remove after testing
-F32 getAirPumpMotorScalarPower( void );
+U16 getAirPumpMotorFPGARPM( void );
+// TODO:remove after testing
+U32 getAirPumpMotorScalarPower( void );
 
 BOOL testSetAirPump( MESSAGE_T *message );