117 lines
2.3 KiB
C
117 lines
2.3 KiB
C
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/**
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* @file lv_led.h
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*
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*/
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#ifndef LV_LED_H
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#define LV_LED_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*********************
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* INCLUDES
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*********************/
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#include "lvgl.h"
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#if LV_USE_LED
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/*********************
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* DEFINES
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*********************/
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/** Brightness when the LED if OFF */
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#ifndef LV_LED_BRIGHT_MIN
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# define LV_LED_BRIGHT_MIN 80
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#endif
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/** Brightness when the LED if ON */
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#ifndef LV_LED_BRIGHT_MAX
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# define LV_LED_BRIGHT_MAX 255
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#endif
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/**********************
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* TYPEDEFS
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**********************/
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/*Data of led*/
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typedef struct {
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lv_obj_t obj;
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lv_color_t color;
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uint8_t bright; /**< Current brightness of the LED (0..255)*/
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} lv_led_t;
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extern const lv_obj_class_t lv_led_class;
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/**
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* `type` field in `lv_obj_draw_part_dsc_t` if `class_p = lv_led_class`
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* Used in `LV_EVENT_DRAW_PART_BEGIN` and `LV_EVENT_DRAW_PART_END`
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*/
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typedef enum {
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LV_LED_DRAW_PART_RECTANGLE, /**< The main rectangle*/
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} lv_led_draw_part_type_t;
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/**********************
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* GLOBAL PROTOTYPES
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**********************/
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/**
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* Create a led object
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* @param parent pointer to an object, it will be the parent of the new led
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* @return pointer to the created led
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*/
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lv_obj_t * lv_led_create(lv_obj_t * parent);
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/**
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* Set the color of the LED
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* @param led pointer to a LED object
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* @param color the color of the LED
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*/
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void lv_led_set_color(lv_obj_t * led, lv_color_t color);
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/**
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* Set the brightness of a LED object
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* @param led pointer to a LED object
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* @param bright LV_LED_BRIGHT_MIN (max. dark) ... LV_LED_BRIGHT_MAX (max. light)
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*/
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void lv_led_set_brightness(lv_obj_t * led, uint8_t bright);
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/**
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* Light on a LED
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* @param led pointer to a LED object
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*/
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void lv_led_on(lv_obj_t * led);
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/**
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* Light off a LED
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* @param led pointer to a LED object
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*/
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void lv_led_off(lv_obj_t * led);
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/**
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* Toggle the state of a LED
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* @param led pointer to a LED object
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*/
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void lv_led_toggle(lv_obj_t * led);
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/**
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* Get the brightness of a LEd object
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* @param led pointer to LED object
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* @return bright 0 (max. dark) ... 255 (max. light)
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*/
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uint8_t lv_led_get_brightness(const lv_obj_t * obj);
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/**********************
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* MACROS
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**********************/
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#endif /*LV_USE_LED*/
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#ifdef __cplusplus
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} /*extern "C"*/
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#endif
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#endif /*LV_LED_H*/
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