#define IS_BUZZER_ON 0
#define BUZZER_HW_INIT do { /* Implement me! */ } while (0)
#define BUZZER_ON do { /* Implement me! */ } while (0)
#define IS_BUZZER_ON 0
#define BUZZER_HW_INIT do { /* Implement me! */ } while (0)
#define BUZZER_ON do { /* Implement me! */ } while (0)