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不吃油炸鸡
169
software/Power_Pico/Middlewares/LVGL/porting/lv_port_disp.c
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169
software/Power_Pico/Middlewares/LVGL/porting/lv_port_disp.c
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/**
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* @file lv_port_disp_templ.c
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*
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*/
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/*Copy this file as "lv_port_disp.c" and set this value to "1" to enable content*/
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#if 1
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/*********************
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* INCLUDES
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*********************/
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#include "lv_port_disp.h"
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#include <stdbool.h>
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// lcd
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#include "lcd.h"
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#include "lcd_init.h"
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/*********************
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* DEFINES
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*********************/
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#ifndef MY_DISP_HOR_RES
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#warning Please define or replace the macro MY_DISP_HOR_RES with the actual screen width, default value 320 is used for now.
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#define MY_DISP_HOR_RES 240
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#endif
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#ifndef MY_DISP_VER_RES
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#warning Please define or replace the macro MY_DISP_VER_RES with the actual screen height, default value 240 is used for now.
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#define MY_DISP_VER_RES 240
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#endif
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#define BYTE_PER_PIXEL (LV_COLOR_FORMAT_GET_SIZE(LV_COLOR_FORMAT_RGB565)) /*will be 2 for RGB565 */
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/**********************
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* TYPEDEFS
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**********************/
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/**********************
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* STATIC PROTOTYPES
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**********************/
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static void disp_init(void);
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static void disp_flush(lv_display_t * disp, const lv_area_t * area, uint8_t * px_map);
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/**********************
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* STATIC VARIABLES
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**********************/
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// 1. 定义一个静态变量来保存当前的 driver 句柄
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static lv_display_t *g_current_disp_drv = NULL;
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/**********************
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* MACROS
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**********************/
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/**********************
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* GLOBAL FUNCTIONS
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**********************/
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void lv_port_disp_init(void)
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{
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/*-------------------------
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* Initialize your display
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* -----------------------*/
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disp_init();
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/*------------------------------------
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* Create a display and set a flush_cb
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* -----------------------------------*/
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lv_display_t * disp = lv_display_create(MY_DISP_HOR_RES, MY_DISP_VER_RES);
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lv_display_set_flush_cb(disp, disp_flush);
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g_current_disp_drv = disp;
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#define BUFFER_METHOD 1
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#if BUFFER_METHOD == 1
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/* Example 1
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* One buffer for partial rendering*/
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LV_ATTRIBUTE_MEM_ALIGN
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static uint8_t buf_1_1[MY_DISP_HOR_RES * MY_DISP_VER_RES / 4 * BYTE_PER_PIXEL];
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lv_display_set_buffers(disp, buf_1_1, NULL, sizeof(buf_1_1), LV_DISPLAY_RENDER_MODE_PARTIAL);
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#elif BUFFER_METHOD == 2
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/* Example 2
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* Two buffers for partial rendering
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* In flush_cb DMA or similar hardware should be used to update the display in the background.*/
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LV_ATTRIBUTE_MEM_ALIGN
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static uint8_t buf_2_1[MY_DISP_HOR_RES * MY_DISP_VER_RES / 8 * BYTE_PER_PIXEL];
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LV_ATTRIBUTE_MEM_ALIGN
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static uint8_t buf_2_2[MY_DISP_HOR_RES * MY_DISP_VER_RES / 8 * BYTE_PER_PIXEL];
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lv_display_set_buffers(disp, buf_2_1, buf_2_2, sizeof(buf_2_1), LV_DISPLAY_RENDER_MODE_PARTIAL);
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#elif BUFFER_METHOD == 3
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/* Example 3
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* Two buffers screen sized buffer for double buffering.
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* Both LV_DISPLAY_RENDER_MODE_DIRECT and LV_DISPLAY_RENDER_MODE_FULL works, see their comments*/
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LV_ATTRIBUTE_MEM_ALIGN
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static uint8_t buf_3_1[MY_DISP_HOR_RES * MY_DISP_VER_RES * BYTE_PER_PIXEL];
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LV_ATTRIBUTE_MEM_ALIGN
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static uint8_t buf_3_2[MY_DISP_HOR_RES * MY_DISP_VER_RES * BYTE_PER_PIXEL];
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lv_display_set_buffers(disp, buf_3_1, buf_3_2, sizeof(buf_3_1), LV_DISPLAY_RENDER_MODE_DIRECT);
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#endif
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}
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/**********************
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* STATIC FUNCTIONS
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**********************/
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void lcd_flush_ready_callback(void)
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{
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if (g_current_disp_drv != NULL) {
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lv_display_flush_ready(g_current_disp_drv);
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}
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}
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/*Initialize your display and the required peripherals.*/
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static void disp_init(void)
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{
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/*You code here*/
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LCD_Init();
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LCD_Fill(0,0, LCD_W, LCD_H, BLACK);
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LCD_Close_Light();
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LCD_Set_Flush_Complete_Callback(lcd_flush_ready_callback);
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}
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volatile bool disp_flush_enabled = true;
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/* Enable updating the screen (the flushing process) when disp_flush() is called by LVGL
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*/
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void disp_enable_update(void)
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{
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disp_flush_enabled = true;
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}
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/* Disable updating the screen (the flushing process) when disp_flush() is called by LVGL
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*/
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void disp_disable_update(void)
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{
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disp_flush_enabled = false;
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}
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/*Flush the content of the internal buffer the specific area on the display.
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*`px_map` contains the rendered image as raw pixel map and it should be copied to `area` on the display.
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*You can use DMA or any hardware acceleration to do this operation in the background but
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*'lv_display_flush_ready()' has to be called when it's finished.*/
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static void disp_flush(lv_display_t * disp_drv, const lv_area_t * area, uint8_t * px_map)
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{
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static lv_display_rotation_t last_rotation = LV_DISPLAY_ROTATION_0;
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lv_display_rotation_t current_rotation = lv_display_get_rotation(disp_drv);
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lv_area_t rotated_area;
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if (current_rotation != last_rotation) {
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LCD_SetRotation(current_rotation * 90); // 仅在旋转状态改变时调用
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last_rotation = current_rotation; // 更新上次状态
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}
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if(disp_flush_enabled) {
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LCD_Color_Render_Async(area->x1,area->y1,area->x2,area->y2, (uint16_t *)px_map);
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}
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/*IMPORTANT!!!
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*Inform the graphics library that you are ready with the flushing*/
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// lv_display_flush_ready(disp_drv);
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}
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#else /*Enable this file at the top*/
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/*This dummy typedef exists purely to silence -Wpedantic.*/
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typedef int keep_pedantic_happy;
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#endif
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58
software/Power_Pico/Middlewares/LVGL/porting/lv_port_disp.h
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58
software/Power_Pico/Middlewares/LVGL/porting/lv_port_disp.h
Normal file
@@ -0,0 +1,58 @@
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/**
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* @file lv_port_disp_templ.h
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*
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*/
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/*Copy this file as "lv_port_disp.h" and set this value to "1" to enable content*/
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#if 1
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#ifndef LV_PORT_DISP_TEMPL_H
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#define LV_PORT_DISP_TEMPL_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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#if defined(LV_LVGL_H_INCLUDE_SIMPLE)
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#include "lvgl.h"
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#else
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// #include "lvgl/lvgl.h"
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#include "lvgl.h"
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#endif
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/*********************
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* DEFINES
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*********************/
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/**********************
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* TYPEDEFS
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**********************/
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/**********************
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* GLOBAL PROTOTYPES
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**********************/
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/* Initialize low level display driver */
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void lv_port_disp_init(void);
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/* Enable updating the screen (the flushing process) when disp_flush() is called by LVGL
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*/
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void disp_enable_update(void);
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/* Disable updating the screen (the flushing process) when disp_flush() is called by LVGL
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*/
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void disp_disable_update(void);
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/**********************
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* MACROS
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**********************/
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#ifdef __cplusplus
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} /*extern "C"*/
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#endif
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#endif /*LV_PORT_DISP_TEMPL_H*/
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#endif /*Disable/Enable content*/
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