diff --git a/HIB.cpp b/HIB.cpp
index 8f60621..46a6c5f 100644
--- a/HIB.cpp
+++ b/HIB.cpp
@@ -49,11 +49,11 @@ void __timerCallback(void *data) {
 
 
 HIB::HIB(uint8_t p, uint8_t initState,
-		 void (* userOnButtonPressed)(uint8_t pin),
-		 void (* userOnButtonReleased)(uint8_t pin),
+		 void (* userOnButtonPressed)(uint8_t pin, int state),
+		 void (* userOnButtonReleased)(uint8_t pin, int state),
 		 void (* userOnLongButtonPressed)(uint8_t pin),
 		 unsigned long longPress, unsigned long shortPress):
-	previousMillis(0), 
+	previousMillis(0),
 	longPressMsec(longPress),
 	shortPressMsec(shortPress),
 	onButtonPressed(userOnButtonPressed),
@@ -78,7 +78,7 @@ void HIB::IRQ_handler(){
 void HIB::onInternalButtonPressed(){
 	previousMillis = millis();
 	if(onButtonPressed)
-		onButtonPressed(pin);
+		onButtonPressed(pin, state);
 }
 
 void HIB::onInternalLongButtonPressed(){
@@ -88,7 +88,7 @@ void HIB::onInternalLongButtonPressed(){
 
 void HIB::onInternalButtonReleased(){
 	if(onButtonReleased)
-		onButtonReleased(pin);
+		onButtonReleased(pin, state);
 	if(millis() - previousMillis >= longPressMsec){
 		onInternalLongButtonPressed();
 	}
diff --git a/HIB.h b/HIB.h
index defba97..35c4331 100644
--- a/HIB.h
+++ b/HIB.h
@@ -15,8 +15,8 @@ private:
     void onInternalButtonReleased();
     void onInternalLongButtonPressed();
     void invertState();
-    void (* onButtonPressed)(uint8_t pin);
-    void (* onButtonReleased)(uint8_t pin);
+    void (* onButtonPressed)(uint8_t pin, int state);
+    void (* onButtonReleased)(uint8_t pin, int state);
     void (* onLongButtonPressed)(uint8_t pin);
     friend void __timerCallback(void *data);
 public:
@@ -24,9 +24,9 @@ public:
     uint8_t initialState;
     uint8_t state;
     uint8_t debouncing;
-    HIB(uint8_t pin, uint8_t initialState, 
-        void (* onButtonPressed)(uint8_t pin) = NULL,
-        void (* onButtonReleased)(uint8_t pin) = NULL,
+    HIB(uint8_t pin, uint8_t initialState,
+        void (* onButtonPressed)(uint8_t pin, int state) = NULL,
+        void (* onButtonReleased)(uint8_t pin, int state) = NULL,
         void (* onLongButtonPressed)(uint8_t pin) = NULL,
         unsigned long longPressMsec = 5000, unsigned long shortPressMsec = 50);
     void IRQ_handler();