#ifdef BACKLIGHT_ENABLE
void backlight_init_ports(void);
void backlight_task(void);
+void backlight_task_internal(void);
+void backlight_on(uint8_t backlight_pin);
+void backlight_off(uint8_t backlight_pin);
#ifdef BACKLIGHT_BREATHING
+void breathing_task(void);
void breathing_enable(void);
void breathing_pulse(void);
void breathing_disable(void);