-#define BUZZER_BIT BV(1)
-#define IS_BUZZER_ON 0
-#define BUZZER_HW_INIT do { } while (0)
-#define BUZZER_ON do { } while (0)
-#define BUZZER_OFF do { } while (0)
+#warning TODO:This is an example implementation, you must implement it!
+
+#define BUZZER_BIT 1
+#define IS_BUZZER_ON 0
+#define BUZZER_HW_INIT do { /* Implement me! */ } while (0)
+#define BUZZER_ON do { /* Implement me! */ } while (0)
+#define BUZZER_OFF do { /* Implement me! */ } while (0)