2 files changed, 164 insertions, 0 deletions
diff --git a/lib/lvgl b/lib/lvgl
deleted file mode 160000
-Subproject 0732400e7b564dd0e7dc4a924619d8e19c5b23a
diff --git a/lib/lvgl/src/widgets/lv_bar.h b/lib/lvgl/src/widgets/lv_bar.h
new file mode 100644
index 00000000..1726425b
--- /dev/null
+++ b/lib/lvgl/src/widgets/lv_bar.h
@@ -0,0 +1,164 @@
+/**
+ * @file lv_bar.h
+ *
+ */
+
+#ifndef LV_BAR_H
+#define LV_BAR_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*********************
+ *      INCLUDES
+ *********************/
+#include "../lv_conf_internal.h"
+
+#if LV_USE_BAR != 0
+
+#include "../core/lv_obj.h"
+#include "../misc/lv_anim.h"
+#include "lv_btn.h"
+#include "lv_label.h"
+
+/*********************
+ *      DEFINES
+ *********************/
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+enum {
+    LV_BAR_MODE_NORMAL,
+    LV_BAR_MODE_SYMMETRICAL,
+    LV_BAR_MODE_RANGE
+};
+typedef uint8_t lv_bar_mode_t;
+
+typedef struct {
+    lv_obj_t * bar;
+    int32_t anim_start;
+    int32_t anim_end;
+    int32_t anim_state;
+} _lv_bar_anim_t;
+
+typedef struct {
+    lv_obj_t obj;
+    int32_t cur_value;          /**< Current value of the bar*/
+    int32_t min_value;          /**< Minimum value of the bar*/
+    int32_t max_value;          /**< Maximum value of the bar*/
+    int32_t start_value;        /**< Start value of the bar*/
+    lv_area_t indic_area;       /**< Save the indicator area. Might be used by derived types*/
+    _lv_bar_anim_t cur_value_anim;
+    _lv_bar_anim_t start_value_anim;
+    lv_bar_mode_t mode : 2;     /**< Type of bar*/
+} lv_bar_t;
+
+extern const lv_obj_class_t lv_bar_class;
+
+/**
+ * `type` field in `lv_obj_draw_part_dsc_t` if `class_p = lv_bar_class`
+ * Used in `LV_EVENT_DRAW_PART_BEGIN` and `LV_EVENT_DRAW_PART_END`
+ */
+typedef enum {
+    LV_BAR_DRAW_PART_INDICATOR,    /**< The indicator*/
+} lv_bar_draw_part_type_t;
+
+/**********************
+ * GLOBAL PROTOTYPES
+ **********************/
+
+/**
+ * Create a bar object
+ * @param parent    pointer to an object, it will be the parent of the new bar
+ * @return          pointer to the created bar
+ */
+lv_obj_t * lv_bar_create(lv_obj_t * parent);
+
+/*=====================
+ * Setter functions
+ *====================*/
+
+/**
+ * Set a new value on the bar
+ * @param bar       pointer to a bar object
+ * @param value     new value
+ * @param anim      LV_ANIM_ON: set the value with an animation; LV_ANIM_OFF: change the value immediately
+ */
+void lv_bar_set_value(lv_obj_t * obj, int32_t value, lv_anim_enable_t anim);
+
+/**
+ * Set a new start value on the bar
+ * @param obj       pointer to a bar object
+ * @param value     new start value
+ * @param anim      LV_ANIM_ON: set the value with an animation; LV_ANIM_OFF: change the value immediately
+ */
+void lv_bar_set_start_value(lv_obj_t * obj, int32_t start_value, lv_anim_enable_t anim);
+
+/**
+ * Set minimum and the maximum values of a bar
+ * @param obj       pointer to the bar object
+ * @param min       minimum value
+ * @param max       maximum value
+ */
+void lv_bar_set_range(lv_obj_t * obj, int32_t min, int32_t max);
+
+/**
+ * Set the type of bar.
+ * @param obj       pointer to bar object
+ * @param mode      bar type from ::lv_bar_mode_t
+ */
+void lv_bar_set_mode(lv_obj_t * obj, lv_bar_mode_t mode);
+
+/*=====================
+ * Getter functions
+ *====================*/
+
+/**
+ * Get the value of a bar
+ * @param obj       pointer to a bar object
+ * @return          the value of the bar
+ */
+int32_t lv_bar_get_value(const lv_obj_t * obj);
+
+/**
+ * Get the start value of a bar
+ * @param obj       pointer to a bar object
+ * @return          the start value of the bar
+ */
+int32_t lv_bar_get_start_value(const lv_obj_t * obj);
+
+/**
+ * Get the minimum value of a bar
+ * @param obj       pointer to a bar object
+ * @return          the minimum value of the bar
+ */
+int32_t lv_bar_get_min_value(const lv_obj_t * obj);
+
+/**
+ * Get the maximum value of a bar
+ * @param obj       pointer to a bar object
+ * @return          the maximum value of the bar
+ */
+int32_t lv_bar_get_max_value(const lv_obj_t * obj);
+
+/**
+ * Get the type of bar.
+ * @param obj       pointer to bar object
+ * @return          bar type from ::lv_bar_mode_t
+ */
+lv_bar_mode_t lv_bar_get_mode(lv_obj_t * obj);
+
+/**********************
+ *      MACROS
+ **********************/
+
+#endif /*LV_USE_BAR*/
+
+#ifdef __cplusplus
+} /*extern "C"*/
+#endif
+
+#endif /*LV_BAR_H*/