Index: firmware/App/Controllers/BloodLeak.h
===================================================================
diff -u -rfcfcd7619185b71aa2163c3e22e4b7bff730041c -r32309398e7ef59471bd624e34ab6b91cdaaf9d24
--- firmware/App/Controllers/BloodLeak.h	(.../BloodLeak.h)	(revision fcfcd7619185b71aa2163c3e22e4b7bff730041c)
+++ firmware/App/Controllers/BloodLeak.h	(.../BloodLeak.h)	(revision 32309398e7ef59471bd624e34ab6b91cdaaf9d24)
@@ -39,8 +39,17 @@
     BLOOD_LEAK_DETECTED = 0,               ///< Blood leak detector senses blood.
     BLOOD_LEAK_NOT_DETECTED,               ///< Blood leak detector does not sense any blood.
     NUM_OF_BLOOD_LEAK_STATUS               ///< Number of blood leak detector status.
-} BLOOD_LEAK_STATUS_T;
+} BLOOD_LEAK_STATUS_T;
 
+/// TODO comments
+typedef enum IntesityDataCheckSatus
+{
+    BLOOD_LEAK_INTENSITY_WAIT_FOR_FRESH_DATA = 0,
+    BLOOD_LEAK_INTENSITY_IN_RANGE,
+    BLOOD_LEAK_INTENSITY_OUT_OF_RANGE,
+    NUM_OF_BLOOD_LEAK_INTENSITY_DATA
+} BLOOD_LEAK_INTENSITY_CHECK_T;
+
 /// Blood leak detector data publish
 typedef struct
 {
@@ -59,8 +68,10 @@
 void execBloodLeak( void );
 void execBloodLeakEmbModeCommand( void );
 BOOL zeroBloodLeak( void );
-void zeroBloodLeakReset (void );
+void zeroBloodLeakReset( void );
 BOOL hasBloodLeakZeroSequenceFailed( void );
+BLOOD_LEAK_INTENSITY_CHECK_T getBloodLeakIntensityStatusAfterZeroing( void );
+BOOL isBloodLeakZeroingNeeded( void );
 
 void exitBloodLeakNormalState( void );