Index: firmware/App/Drivers/GPIO.h
===================================================================
diff -u -r9ed40798a5f4779db8a07bb6e256f7de99660108 -rf66ffb2807dae4ad719d41520bc8c3739210bfd0
--- firmware/App/Drivers/GPIO.h	(.../GPIO.h)	(revision 9ed40798a5f4779db8a07bb6e256f7de99660108)
+++ firmware/App/Drivers/GPIO.h	(.../GPIO.h)	(revision f66ffb2807dae4ad719d41520bc8c3739210bfd0)
@@ -29,13 +29,25 @@
  *  @{
  */
 
+// ********** public definitions **********
+
+/// Leak sensor status enumeration (from FPGA GPIO register).
+typedef enum LeakSensorStatus
+{
+    LEAK_SENSOR_NOT_DETECTED = 0,    ///< No leak detected
+    LEAK_SENSOR_DETECTED,            ///< Leak detected
+    NUM_OF_LEAK_SENSOR_STATUS
+} LEAK_SENSOR_STATUS_T;
+
 // ********** public function prototypes **********
 
 void toggleWatchdogPetSignal( void );
 void setWatchdogPetSignal( void );
 void clrWatchdogPetSignal( void );
 PIN_SIGNAL_STATE_T getWatchdogExpired( void );
 U08 getGPIOStatusFromFPGA( void );
+BOOL getACSwitchStatus( void );
+LEAK_SENSOR_STATUS_T getLeakSensorStatus( void );
 
 /**@}*/