Refactored and current playstatus is now received from device

software/main/include/avrcp.h

@@ -2,4 +2,9 @@
 
 namespace avrcp {
 	void init();
+	bool is_playing();
+
+	void play_pause();
+	void forward();
+	void backward();
 }

software/main/include/helper.h

@@ -6,3 +6,17 @@
 const char* addr_to_str(esp_bd_addr_t bda);
 const char* connection_state_to_str(esp_a2d_connection_state_t state);
 
+class MultiPurposeButton {
+	public:
+		MultiPurposeButton(void(*short_press)(), void(*long_press)(), uint8_t threshold = 5);
+
+		void tick(bool current);
+
+	private:
+		void(*short_press)();
+		void(*long_press)();
+		uint8_t threshold = 5;
+		bool previous = false;
+		uint8_t counter = 0;
+		bool acted = false;
+};