acid-drop

- Hacking the planet from a LilyGo T-Deck using custom firmware
git clone git://git.acid.vegas/acid-drop.git
lv_refr.h (2676B)
      1 /**
      2  * @file lv_refr.h
      3  *
      4  */
      5 
      6 #ifndef LV_REFR_H
      7 #define LV_REFR_H
      8 
      9 #ifdef __cplusplus
     10 extern "C" {
     11 #endif
     12 
     13 /*********************
     14  *      INCLUDES
     15  *********************/
     16 #include "lv_obj.h"
     17 #include <stdbool.h>
     18 
     19 /*********************
     20  *      DEFINES
     21  *********************/
     22 
     23 #define LV_REFR_TASK_PRIO LV_TASK_PRIO_MID
     24 
     25 /**********************
     26  *      TYPEDEFS
     27  **********************/
     28 
     29 /**********************
     30  *  STATIC PROTOTYPES
     31  **********************/
     32 
     33 /**********************
     34  *  STATIC VARIABLES
     35  **********************/
     36 
     37 /**********************
     38  *      MACROS
     39  **********************/
     40 
     41 /**********************
     42  *   GLOBAL FUNCTIONS
     43  **********************/
     44 
     45 /**
     46  * Initialize the screen refresh subsystem
     47  */
     48 void _lv_refr_init(void);
     49 
     50 /**
     51  * Redraw the invalidated areas now.
     52  * Normally the redrawing is periodically executed in `lv_timer_handler` but a long blocking process
     53  * can prevent the call of `lv_timer_handler`. In this case if the GUI is updated in the process
     54  * (e.g. progress bar) this function can be called when the screen should be updated.
     55  * @param disp pointer to display to refresh. NULL to refresh all displays.
     56  */
     57 void lv_refr_now(lv_disp_t * disp);
     58 
     59 /**
     60  * Redrawn on object an all its children using the passed draw context
     61  * @param draw  pointer to an initialized draw context
     62  * @param obj   the start object from the redraw should start
     63  */
     64 void lv_refr_obj(lv_draw_ctx_t * draw_ctx, lv_obj_t * obj);
     65 
     66 /**
     67  * Invalidate an area on display to redraw it
     68  * @param area_p pointer to area which should be invalidated (NULL: delete the invalidated areas)
     69  * @param disp pointer to display where the area should be invalidated (NULL can be used if there is
     70  * only one display)
     71  */
     72 void _lv_inv_area(lv_disp_t * disp, const lv_area_t * area_p);
     73 
     74 /**
     75  * Get the display which is being refreshed
     76  * @return the display being refreshed
     77  */
     78 lv_disp_t * _lv_refr_get_disp_refreshing(void);
     79 
     80 /**
     81  * Set the display which is being refreshed.
     82  * It shouldn't be used directly by the user.
     83  * It can be used to trick the drawing functions about there is an active display.
     84  * @param the display being refreshed
     85  */
     86 void _lv_refr_set_disp_refreshing(lv_disp_t * disp);
     87 
     88 #if LV_USE_PERF_MONITOR
     89 /**
     90  * Reset FPS counter
     91  */
     92 void lv_refr_reset_fps_counter(void);
     93 
     94 /**
     95  * Get the average FPS
     96  * @return the average FPS
     97  */
     98 uint32_t lv_refr_get_fps_avg(void);
     99 #endif
    100 
    101 /**
    102  * Called periodically to handle the refreshing
    103  * @param timer pointer to the timer itself
    104  */
    105 void _lv_disp_refr_timer(lv_timer_t * timer);
    106 
    107 /**********************
    108  *   STATIC FUNCTIONS
    109  **********************/
    110 
    111 #ifdef __cplusplus
    112 } /*extern "C"*/
    113 #endif
    114 
    115 #endif /*LV_REFR_H*/