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不吃油炸鸡
2026-02-26 17:20:03 +08:00
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software/Power_Pico/Middlewares/LVGL/src/display/lv_display.c Normal file
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/**
* @file lv_display.h
*
*/
#ifndef LV_DISPLAY_H
#define LV_DISPLAY_H
#ifdef __cplusplus
extern "C" {
#endif
/*********************
* INCLUDES
*********************/
#include "../misc/lv_types.h"
#include "../misc/lv_timer.h"
#include "../misc/lv_event.h"
#include "../misc/lv_color.h"
#include "../draw/lv_draw.h"
/*********************
* DEFINES
*********************/
#ifndef LV_ATTRIBUTE_FLUSH_READY
#define LV_ATTRIBUTE_FLUSH_READY
#endif
/**********************
* TYPEDEFS
**********************/
typedef enum {
LV_DISPLAY_ROTATION_0 = 0,
LV_DISPLAY_ROTATION_90,
LV_DISPLAY_ROTATION_180,
LV_DISPLAY_ROTATION_270
} lv_display_rotation_t;
typedef enum {
/**
* Use the buffer(s) to render the screen is smaller parts.
* This way the buffers can be smaller then the display to save RAM. At least 1/10 screen size buffer(s) are recommended.
*/
LV_DISPLAY_RENDER_MODE_PARTIAL,
/**
* The buffer(s) has to be screen sized and LVGL will render into the correct location of the buffer.
* This way the buffer always contain the whole image. Only the changed ares will be updated.
* With 2 buffers the buffers' content are kept in sync automatically and in flush_cb only address change is required.
*/
LV_DISPLAY_RENDER_MODE_DIRECT,
/**
* Always redraw the whole screen even if only one pixel has been changed.
* With 2 buffers in flush_cb only and address change is required.
*/
LV_DISPLAY_RENDER_MODE_FULL,
} lv_display_render_mode_t;
typedef enum {
LV_SCR_LOAD_ANIM_NONE,
LV_SCR_LOAD_ANIM_OVER_LEFT,
LV_SCR_LOAD_ANIM_OVER_RIGHT,
LV_SCR_LOAD_ANIM_OVER_TOP,
LV_SCR_LOAD_ANIM_OVER_BOTTOM,
LV_SCR_LOAD_ANIM_MOVE_LEFT,
LV_SCR_LOAD_ANIM_MOVE_RIGHT,
LV_SCR_LOAD_ANIM_MOVE_TOP,
LV_SCR_LOAD_ANIM_MOVE_BOTTOM,
LV_SCR_LOAD_ANIM_FADE_IN,
LV_SCR_LOAD_ANIM_FADE_ON = LV_SCR_LOAD_ANIM_FADE_IN, /*For backward compatibility*/
LV_SCR_LOAD_ANIM_FADE_OUT,
LV_SCR_LOAD_ANIM_OUT_LEFT,
LV_SCR_LOAD_ANIM_OUT_RIGHT,
LV_SCR_LOAD_ANIM_OUT_TOP,
LV_SCR_LOAD_ANIM_OUT_BOTTOM,
} lv_screen_load_anim_t;
typedef void (*lv_display_flush_cb_t)(lv_display_t * disp, const lv_area_t * area, uint8_t * px_map);
typedef void (*lv_display_flush_wait_cb_t)(lv_display_t * disp);
/**********************
* GLOBAL PROTOTYPES
**********************/
/**
* Create a new display with the given resolution
* @param hor_res horizontal resolution in pixels
* @param ver_res vertical resolution in pixels
* @return pointer to a display object or `NULL` on error
*/
lv_display_t * lv_display_create(int32_t hor_res, int32_t ver_res);
/**
* Remove a display
* @param disp pointer to display
*/
void lv_display_delete(lv_display_t * disp);
/**
* Set a default display. The new screens will be created on it by default.
* @param disp pointer to a display
*/
void lv_display_set_default(lv_display_t * disp);
/**
* Get the default display
* @return pointer to the default display
*/
lv_display_t * lv_display_get_default(void);
/**
* Get the next display.
* @param disp pointer to the current display. NULL to initialize.
* @return the next display or NULL if no more. Gives the first display when the parameter is NULL.
*/
lv_display_t * lv_display_get_next(lv_display_t * disp);
/*---------------------
* RESOLUTION
*--------------------*/
/**
* Sets the resolution of a display. `LV_EVENT_RESOLUTION_CHANGED` event will be sent.
* Here the native resolution of the device should be set. If the display will be rotated later with
* `lv_display_set_rotation` LVGL will swap the hor. and ver. resolution automatically.
* @param disp pointer to a display
* @param hor_res the new horizontal resolution
* @param ver_res the new vertical resolution
*/
void lv_display_set_resolution(lv_display_t * disp, int32_t hor_res, int32_t ver_res);
/**
* It's not mandatory to use the whole display for LVGL, however in some cases physical resolution is important.
* For example the touchpad still sees whole resolution and the values needs to be converted
* to the active LVGL display area.
* @param disp pointer to a display
* @param hor_res the new physical horizontal resolution, or -1 to assume it's the same as the normal hor. res.
* @param ver_res the new physical vertical resolution, or -1 to assume it's the same as the normal hor. res.
*/
void lv_display_set_physical_resolution(lv_display_t * disp, int32_t hor_res, int32_t ver_res);
/**
* If physical resolution is not the same as the normal resolution
* the offset of the active display area can be set here.
* @param disp pointer to a display
* @param x X offset
* @param y Y offset
*/
void lv_display_set_offset(lv_display_t * disp, int32_t x, int32_t y);
/**
* Set the rotation of this display. LVGL will swap the horizontal and vertical resolutions internally.
* @param disp pointer to a display (NULL to use the default display)
* @param rotation `LV_DISPLAY_ROTATION_0/90/180/270`
*/
void lv_display_set_rotation(lv_display_t * disp, lv_display_rotation_t rotation);
/**
* Set the DPI (dot per inch) of the display.
* dpi = sqrt(hor_res^2 + ver_res^2) / diagonal"
* @param disp pointer to a display
* @param dpi the new DPI
*/
void lv_display_set_dpi(lv_display_t * disp, int32_t dpi);
/**
* Get the horizontal resolution of a display.
* @param disp pointer to a display (NULL to use the default display)
* @return the horizontal resolution of the display.
*/
int32_t lv_display_get_horizontal_resolution(const lv_display_t * disp);
/**
* Get the vertical resolution of a display
* @param disp pointer to a display (NULL to use the default display)
* @return the vertical resolution of the display
*/
int32_t lv_display_get_vertical_resolution(const lv_display_t * disp);
/**
* Get the physical horizontal resolution of a display
* @param disp pointer to a display (NULL to use the default display)
* @return the physical horizontal resolution of the display
*/
int32_t lv_display_get_physical_horizontal_resolution(const lv_display_t * disp);
/**
* Get the physical vertical resolution of a display
* @param disp pointer to a display (NULL to use the default display)
* @return the physical vertical resolution of the display
*/
int32_t lv_display_get_physical_vertical_resolution(const lv_display_t * disp);
/**
* Get the horizontal offset from the full / physical display
* @param disp pointer to a display (NULL to use the default display)
* @return the horizontal offset from the physical display
*/
int32_t lv_display_get_offset_x(const lv_display_t * disp);
/**
* Get the vertical offset from the full / physical display
* @param disp pointer to a display (NULL to use the default display)
* @return the horizontal offset from the physical display
*/
int32_t lv_display_get_offset_y(const lv_display_t * disp);
/**
* Get the current rotation of this display.
* @param disp pointer to a display (NULL to use the default display)
* @return the current rotation
*/
lv_display_rotation_t lv_display_get_rotation(lv_display_t * disp);
/**
* Get the DPI of the display
* @param disp pointer to a display (NULL to use the default display)
* @return dpi of the display
*/
int32_t lv_display_get_dpi(const lv_display_t * disp);
/*---------------------
* BUFFERING
*--------------------*/
/**
* Set the buffers for a display, similarly to `lv_display_set_draw_buffers`, but accept the raw buffer pointers.
* For DIRECT/FULL rending modes, the buffer size must be at least
* `hor_res * ver_res * lv_color_format_get_size(lv_display_get_color_format(disp))`
* @param disp pointer to a display
* @param buf1 first buffer
* @param buf2 second buffer (can be `NULL`)
* @param buf_size buffer size in byte
* @param render_mode LV_DISPLAY_RENDER_MODE_PARTIAL/DIRECT/FULL
*/
void lv_display_set_buffers(lv_display_t * disp, void * buf1, void * buf2, uint32_t buf_size,
lv_display_render_mode_t render_mode);
/**
* Set the buffers for a display, accept a draw buffer pointer.
* Normally use `lv_display_set_buffers` is enough for most cases.
* Use this function when an existing lv_draw_buf_t is available.
* @param disp pointer to a display
* @param buf1 first buffer
* @param buf2 second buffer (can be `NULL`)
*/
void lv_display_set_draw_buffers(lv_display_t * disp, lv_draw_buf_t * buf1, lv_draw_buf_t * buf2);
/**
* Set display render mode
* @param disp pointer to a display
* @param render_mode LV_DISPLAY_RENDER_MODE_PARTIAL/DIRECT/FULL
*/
void lv_display_set_render_mode(lv_display_t * disp, lv_display_render_mode_t render_mode);
/**
* Set the flush callback which will be called to copy the rendered image to the display.
* @param disp pointer to a display
* @param flush_cb the flush callback (`px_map` contains the rendered image as raw pixel map and it should be copied to `area` on the display)
*/
void lv_display_set_flush_cb(lv_display_t * disp, lv_display_flush_cb_t flush_cb);
/**
* Set a callback to be used while LVGL is waiting flushing to be finished.
* It can do any complex logic to wait, including semaphores, mutexes, polling flags, etc.
* If not set the `disp->flushing` flag is used which can be cleared with `lv_display_flush_ready()`
* @param disp pointer to a display
* @param wait_cb a callback to call while LVGL is waiting for flush ready.
* If NULL `lv_display_flush_ready()` can be used to signal that flushing is ready.
*/
void lv_display_set_flush_wait_cb(lv_display_t * disp, lv_display_flush_wait_cb_t wait_cb);
/**
* Set the color format of the display.
* @param disp pointer to a display
* @param color_format Possible values are
* - LV_COLOR_FORMAT_RGB565
* - LV_COLOR_FORMAT_RGB888
* - LV_COLOR_FORMAT_XRGB888
* - LV_COLOR_FORMAT_ARGB888
*@note To change the endianness of the rendered image in case of RGB565 format
* (i.e. swap the 2 bytes) call `lv_draw_sw_rgb565_swap` in the flush_cb
*/
void lv_display_set_color_format(lv_display_t * disp, lv_color_format_t color_format);
/**
* Get the color format of the display
* @param disp pointer to a display
* @return the color format
*/
lv_color_format_t lv_display_get_color_format(lv_display_t * disp);
/**
* Enable anti-aliasing for the render engine
* @param disp pointer to a display
* @param en true/false
*/
void lv_display_set_antialiasing(lv_display_t * disp, bool en);
/**
* Get if anti-aliasing is enabled for a display or not
* @param disp pointer to a display (NULL to use the default display)
* @return true/false
*/
bool lv_display_get_antialiasing(lv_display_t * disp);
//! @cond Doxygen_Suppress
/**
* Call from the display driver when the flushing is finished
* @param disp pointer to display whose `flush_cb` was called
*/
LV_ATTRIBUTE_FLUSH_READY void lv_display_flush_ready(lv_display_t * disp);
/**
* Tell if it's the last area of the refreshing process.
* Can be called from `flush_cb` to execute some special display refreshing if needed when all areas area flushed.
* @param disp pointer to display
* @return true: it's the last area to flush;
* false: there are other areas too which will be refreshed soon
*/
LV_ATTRIBUTE_FLUSH_READY bool lv_display_flush_is_last(lv_display_t * disp);
//! @endcond
bool lv_display_is_double_buffered(lv_display_t * disp);
/*---------------------
* SCREENS
*--------------------*/
/**
* Return a pointer to the active screen on a display
* @param disp pointer to display which active screen should be get.
* (NULL to use the default screen)
* @return pointer to the active screen object (loaded by 'lv_screen_load()')
*/
lv_obj_t * lv_display_get_screen_active(lv_display_t * disp);
/**
* Return with a pointer to the previous screen. Only used during screen transitions.
* @param disp pointer to display which previous screen should be get.
* (NULL to use the default screen)
* @return pointer to the previous screen object or NULL if not used now
*/
lv_obj_t * lv_display_get_screen_prev(lv_display_t * disp);
/**
* Return the top layer. The top layer is the same on all screens and it is above the normal screen layer.
* @param disp pointer to display which top layer should be get. (NULL to use the default screen)
* @return pointer to the top layer object
*/
lv_obj_t * lv_display_get_layer_top(lv_display_t * disp);
/**
* Return the sys. layer. The system layer is the same on all screen and it is above the normal screen and the top layer.
* @param disp pointer to display which sys. layer should be retrieved. (NULL to use the default screen)
* @return pointer to the sys layer object
*/
lv_obj_t * lv_display_get_layer_sys(lv_display_t * disp);
/**
* Return the bottom layer. The bottom layer is the same on all screen and it is under the normal screen layer.
* It's visible only if the screen is transparent.
* @param disp pointer to display (NULL to use the default screen)
* @return pointer to the bottom layer object
*/
lv_obj_t * lv_display_get_layer_bottom(lv_display_t * disp);
/**
* Load a screen on the default display
* @param scr pointer to a screen
*/
void lv_screen_load(struct lv_obj_t * scr);
/**
* Switch screen with animation
* @param scr pointer to the new screen to load
* @param anim_type type of the animation from `lv_screen_load_anim_t`, e.g. `LV_SCR_LOAD_ANIM_MOVE_LEFT`
* @param time time of the animation
* @param delay delay before the transition
* @param auto_del true: automatically delete the old screen
*/
void lv_screen_load_anim(lv_obj_t * scr, lv_screen_load_anim_t anim_type, uint32_t time, uint32_t delay,
bool auto_del);
/**
* Get the active screen of the default display
* @return pointer to the active screen
*/
lv_obj_t * lv_screen_active(void);
/**
* Get the top layer of the default display
* @return pointer to the top layer
*/
lv_obj_t * lv_layer_top(void);
/**
* Get the system layer of the default display
* @return pointer to the sys layer
*/
lv_obj_t * lv_layer_sys(void);
/**
* Get the bottom layer of the default display
* @return pointer to the bottom layer
*/
lv_obj_t * lv_layer_bottom(void);
/*---------------------
* OTHERS
*--------------------*/
/**
* Add an event handler to the display
* @param disp pointer to a display
* @param event_cb an event callback
* @param filter event code to react or `LV_EVENT_ALL`
* @param user_data optional user_data
*/
void lv_display_add_event_cb(lv_display_t * disp, lv_event_cb_t event_cb, lv_event_code_t filter, void * user_data);
/**
* Get the number of event attached to a display
* @param disp pointer to a display
* @return number of events
*/
uint32_t lv_display_get_event_count(lv_display_t * disp);
/**
* Get an event descriptor for an event
* @param disp pointer to a display
* @param index the index of the event
* @return the event descriptor
*/
lv_event_dsc_t * lv_display_get_event_dsc(lv_display_t * disp, uint32_t index);
/**
* Remove an event
* @param disp pointer to a display
* @param index the index of the event to remove
* @return true: and event was removed; false: no event was removed
*/
bool lv_display_delete_event(lv_display_t * disp, uint32_t index);
/**
* Remove an event_cb with user_data
* @param disp pointer to a display
* @param event_cb the event_cb of the event to remove
* @param user_data user_data
* @return the count of the event removed
*/
uint32_t lv_display_remove_event_cb_with_user_data(lv_display_t * disp, lv_event_cb_t event_cb, void * user_data);
/**
* Send an event to a display
* @param disp pointer to a display
* @param code an event code. LV_EVENT_...
* @param param optional param
* @return LV_RESULT_OK: disp wasn't deleted in the event.
*/
lv_result_t lv_display_send_event(lv_display_t * disp, lv_event_code_t code, void * param);
/**
* Set the theme of a display. If there are no user created widgets yet the screens' theme will be updated
* @param disp pointer to a display
* @param th pointer to a theme
*/
void lv_display_set_theme(lv_display_t * disp, lv_theme_t * th);
/**
* Get the theme of a display
* @param disp pointer to a display
* @return the display's theme (can be NULL)
*/
lv_theme_t * lv_display_get_theme(lv_display_t * disp);
/**
* Get elapsed time since last user activity on a display (e.g. click)
* @param disp pointer to a display (NULL to get the overall smallest inactivity)
* @return elapsed ticks (milliseconds) since the last activity
*/
uint32_t lv_display_get_inactive_time(const lv_display_t * disp);
/**
* Manually trigger an activity on a display
* @param disp pointer to a display (NULL to use the default display)
*/
void lv_display_trigger_activity(lv_display_t * disp);
/**
* Temporarily enable and disable the invalidation of the display.
* @param disp pointer to a display (NULL to use the default display)
* @param en true: enable invalidation; false: invalidation
*/
void lv_display_enable_invalidation(lv_display_t * disp, bool en);
/**
* Get display invalidation is enabled.
* @param disp pointer to a display (NULL to use the default display)
* @return return true if invalidation is enabled
*/
bool lv_display_is_invalidation_enabled(lv_display_t * disp);
/**
* Get a pointer to the screen refresher timer to
* modify its parameters with `lv_timer_...` functions.
* @param disp pointer to a display
* @return pointer to the display refresher timer. (NULL on error)
*/
lv_timer_t * lv_display_get_refr_timer(lv_display_t * disp);
/**
* Delete screen refresher timer
* @param disp pointer to a display
*/
void lv_display_delete_refr_timer(lv_display_t * disp);
void lv_display_set_user_data(lv_display_t * disp, void * user_data);
void lv_display_set_driver_data(lv_display_t * disp, void * driver_data);
void * lv_display_get_user_data(lv_display_t * disp);
void * lv_display_get_driver_data(lv_display_t * disp);
lv_draw_buf_t * lv_display_get_buf_active(lv_display_t * disp);
/**
* Rotate an area in-place according to the display's rotation
* @param disp pointer to a display
* @param area pointer to an area to rotate
*/
void lv_display_rotate_area(lv_display_t * disp, lv_area_t * area);
/**********************
* MACROS
**********************/
/*------------------------------------------------
* To improve backward compatibility
* Recommended only if you have one display
*------------------------------------------------*/
#ifndef LV_HOR_RES
/**
* The horizontal resolution of the currently active display.
*/
#define LV_HOR_RES lv_display_get_horizontal_resolution(lv_display_get_default())
#endif
#ifndef LV_VER_RES
/**
* The vertical resolution of the currently active display.
*/
#define LV_VER_RES lv_display_get_vertical_resolution(lv_display_get_default())
#endif
/**
* Same as Android's DIP. (Different name is chosen to avoid mistype between LV_DPI and LV_DIP)
* 1 dip is 1 px on a 160 DPI screen
* 1 dip is 2 px on a 320 DPI screen
* https://stackoverflow.com/questions/2025282/what-is-the-difference-between-px-dip-dp-and-sp
*/
#define LV_DPX_CALC(dpi, n) ((n) == 0 ? 0 :LV_MAX((( (dpi) * (n) + 80) / 160), 1)) /*+80 for rounding*/
#define LV_DPX(n) LV_DPX_CALC(lv_display_get_dpi(NULL), n)
/**
* Scale the given number of pixels (a distance or size) relative to a 160 DPI display
* considering the DPI of the default display.
* It ensures that e.g. `lv_dpx(100)` will have the same physical size regardless to the
* DPI of the display.
* @param n the number of pixels to scale
* @return `n x current_dpi/160`
*/
int32_t lv_dpx(int32_t n);
/**
* Scale the given number of pixels (a distance or size) relative to a 160 DPI display
* considering the DPI of the given display.
* It ensures that e.g. `lv_dpx(100)` will have the same physical size regardless to the
* DPI of the display.
* @param disp a display whose dpi should be considered
* @param n the number of pixels to scale
* @return `n x current_dpi/160`
*/
int32_t lv_display_dpx(const lv_display_t * disp, int32_t n);
#ifdef __cplusplus
} /*extern "C"*/
#endif
#endif /*LV_DISPLAY_H*/

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/**
* @file lv_display_private.h
*
*/
#ifndef LV_DISPLAY_PRIVATE_H
#define LV_DISPLAY_PRIVATE_H
#ifdef __cplusplus
extern "C" {
#endif
/*********************
* INCLUDES
*********************/
#include "../misc/lv_types.h"
#include "../core/lv_obj.h"
#include "../draw/lv_draw.h"
#include "lv_display.h"
#if LV_USE_SYSMON
#include "../others/sysmon/lv_sysmon_private.h"
#endif
/*********************
* DEFINES
*********************/
#ifndef LV_INV_BUF_SIZE
#define LV_INV_BUF_SIZE 32 /**< Buffer size for invalid areas */
#endif
/**********************
* TYPEDEFS
**********************/
struct lv_display_t {
/*---------------------
* Resolution
*--------------------*/
/** Horizontal resolution.*/
int32_t hor_res;
/** Vertical resolution.*/
int32_t ver_res;
/** Horizontal resolution of the full / physical display. Set to -1 for fullscreen mode.*/
int32_t physical_hor_res;
/** Vertical resolution of the full / physical display. Set to -1 for fullscreen mode.*/
int32_t physical_ver_res;
/** Horizontal offset from the full / physical display. Set to 0 for fullscreen mode.*/
int32_t offset_x;
/** Vertical offset from the full / physical display. Set to 0 for fullscreen mode.*/
int32_t offset_y;
/** DPI (dot per inch) of the display. Default value is `LV_DPI_DEF`.*/
uint32_t dpi;
/*---------------------
* Buffering
*--------------------*/
lv_draw_buf_t * buf_1;
lv_draw_buf_t * buf_2;
/** Internal, used by the library*/
lv_draw_buf_t * buf_act;
/** MANDATORY: Write the internal buffer (draw_buf) to the display. 'lv_display_flush_ready()' has to be
* called when finished*/
lv_display_flush_cb_t flush_cb;
/**
* Used to wait while flushing is ready.
* It can do any complex logic to wait, including semaphores, mutexes, polling flags, etc.
* If not set `flushing` flag is used which can be cleared with `lv_display_flush_ready()` */
lv_display_flush_wait_cb_t flush_wait_cb;
/** 1: flushing is in progress. (It can't be a bit field because when it's cleared from IRQ
* Read-Modify-Write issue might occur) */
volatile int flushing;
/** 1: It was the last chunk to flush. (It can't be a bit field because when it's cleared
* from IRQ Read-Modify-Write issue might occur) */
volatile int flushing_last;
volatile uint32_t last_area : 1; /**< 1: last area is being rendered */
volatile uint32_t last_part : 1; /**< 1: last part of the current area is being rendered */
lv_display_render_mode_t render_mode;
uint32_t antialiasing : 1; /**< 1: anti-aliasing is enabled on this display.*/
/** 1: The current screen rendering is in progress*/
uint32_t rendering_in_progress : 1;
lv_color_format_t color_format;
/** Invalidated (marked to redraw) areas*/
lv_area_t inv_areas[LV_INV_BUF_SIZE];
uint8_t inv_area_joined[LV_INV_BUF_SIZE];
uint32_t inv_p;
int32_t inv_en_cnt;
/** Double buffer sync areas (redrawn during last refresh) */
lv_ll_t sync_areas;
lv_draw_buf_t _static_buf1; /**< Used when user pass in a raw buffer as display draw buffer */
lv_draw_buf_t _static_buf2;
/*---------------------
* Layer
*--------------------*/
lv_layer_t * layer_head;
void (*layer_init)(lv_display_t * disp, lv_layer_t * layer);
void (*layer_deinit)(lv_display_t * disp, lv_layer_t * layer);
/*---------------------
* Screens
*--------------------*/
/** Screens of the display*/
lv_obj_t ** screens; /**< Array of screen objects.*/
lv_obj_t * sys_layer; /**< @see lv_display_get_layer_sys*/
lv_obj_t * top_layer; /**< @see lv_display_get_layer_top*/
lv_obj_t * act_scr; /**< Currently active screen on this display*/
lv_obj_t * bottom_layer;/**< @see lv_display_get_layer_bottom*/
lv_obj_t * prev_scr; /**< Previous screen. Used during screen animations*/
lv_obj_t * scr_to_load; /**< The screen prepared to load in lv_screen_load_anim*/
uint32_t screen_cnt;
uint8_t draw_prev_over_act : 1;/** 1: Draw previous screen over active screen*/
uint8_t del_prev : 1; /** 1: Automatically delete the previous screen when the screen load animation is ready*/
/*---------------------
* Others
*--------------------*/
void * driver_data; /**< Custom user data*/
void * user_data; /**< Custom user data*/
lv_event_list_t event_list;
uint32_t rotation : 3; /**< Element of lv_display_rotation_t*/
lv_theme_t * theme; /**< The theme assigned to the screen*/
/** A timer which periodically checks the dirty areas and refreshes them*/
lv_timer_t * refr_timer;
/*Miscellaneous data*/
uint32_t last_activity_time; /**< Last time when there was activity on this display*/
/** The area being refreshed*/
lv_area_t refreshed_area;
#if LV_USE_PERF_MONITOR
lv_obj_t * perf_label;
lv_sysmon_backend_data_t perf_sysmon_backend;
lv_sysmon_perf_info_t perf_sysmon_info;
#endif
#if LV_USE_MEM_MONITOR
lv_obj_t * mem_label;
#endif
};
/**********************
* GLOBAL PROTOTYPES
**********************/
/**********************
* MACROS
**********************/
#ifdef __cplusplus
} /*extern "C"*/
#endif
#endif /*LV_DISPLAY_PRIVATE_H*/