lvgl学习

/\*\*

 \* @file lv\_demo\_test.h

 \*

 \*/



#ifndef LV\_DEMO\_TEST\_H

#define LV\_DEMO\_TEST\_H



#ifdef \_\_cplusplus

extern "C" {

#endif



/\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*

 \*      INCLUDES

 \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*/

#include "../lv\_demos.h"





/\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*

 \* GLOBAL PROTOTYPES

 \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*/

void lv\_demo\_test(void);





#ifdef \_\_cplusplus

} /\* extern "C" \*/

#endif



#endif /\*LV\_DEMO\_TEST\_H\*/

/\*\*

 \* @file lv\_demo\_test.c

 \*

 \*/



/\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*

 \*      INCLUDES

 \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*/

#include "lv\_demo\_test.h"



#if LV\_USE\_DEMO\_TEST



#if LV\_MEM\_CUSTOM == 0 && LV\_MEM\_SIZE < (38ul \* 1024ul)

    #error Insufficient memory for lv\_demo\_widgets. Please set LV\_MEM\_SIZE to at least 38KB (38ul \* 1024ul).  48KB is recommended.

#endif



/\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*

 \*      TYPEDEFS

 \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*/

// 定义枚举, 三种屏幕大小

typedef enum {

  DISP\_SMALL,

  DISP\_MEDIUM,

  DISP\_LARGE,

} disp\_size\_t;



/\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*

 \*  STATIC PROTOTYPES

 \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*/



/\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*

 \*  STATIC VARIABLES

 \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*/

static disp\_size\_t disp\_size;



static lv\_style\_t style\_text\_opacity;

static lv\_style\_t style\_title;



static const lv\_font\_t \* font\_large;

static const lv\_font\_t \* font\_normal;





/\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*

 \*   GLOBAL FUNCTIONS

 \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*/



void lv\_demo\_test(void) {

  // 判断设备尺寸

  if(LV\_HOR\_RES <= 320) disp\_size = DISP\_SMALL;

  else if(LV\_HOR\_RES < 720) disp\_size = DISP\_MEDIUM;

  else disp\_size = DISP\_LARGE;



  // 先将large字体和normal字体修改为默认大小

  font\_large = LV\_FONT\_DEFAULT;

  font\_normal = LV\_FONT\_DEFAULT;

  // 根据屏幕大小 设置字体大小

  if (disp\_size == DISP\_LARGE) {

#if LV\_FONT\_MONTSERRAT\_24

    font\_large     = &lv\_font\_montserrat\_24;

#else

    LV\_LOG\_WARN("LV\_FONT\_MONTSERRAT\_24 is not enabled for the widgets demo. Using LV\_FONT\_DEFAULT instead.");

#endif

#if LV\_FONT\_MONTSERRAT\_16

    font\_normal    = &lv\_font\_montserrat\_16;

#else

    LV\_LOG\_WARN("LV\_FONT\_MONTSERRAT\_16 is not enabled for the widgets demo. Using LV\_FONT\_DEFAULT instead.");

#endif

  } else if (disp\_size == DISP\_MEDIUM) {

#if LV\_FONT\_MONTSERRAT\_20

    font\_large     = &lv\_font\_montserrat\_20;

#else

    LV\_LOG\_WARN("LV\_FONT\_MONTSERRAT\_20 is not enabled for the widgets demo. Using LV\_FONT\_DEFAULT instead.");

#endif

#if LV\_FONT\_MONTSERRAT\_14

    font\_normal    = &lv\_font\_montserrat\_14;

#else

    LV\_LOG\_WARN("LV\_FONT\_MONTSERRAT\_14 is not enabled for the widgets demo. Using LV\_FONT\_DEFAULT instead.");

#endif

  } else {   /\* disp\_size == DISP\_SMALL \*/

#if LV\_FONT\_MONTSERRAT\_18

    font\_large     = &lv\_font\_montserrat\_18;

#else

    LV\_LOG\_WARN("LV\_FONT\_MONTSERRAT\_18 is not enabled for the widgets demo. Using LV\_FONT\_DEFAULT instead.");

#endif

#if LV\_FONT\_MONTSERRAT\_12

    font\_normal    = &lv\_font\_montserrat\_12;

#else

    LV\_LOG\_WARN("LV\_FONT\_MONTSERRAT\_12 is not enabled for the widgets demo. Using LV\_FONT\_DEFAULT instead.");

#endif

  }



#if LV\_USE\_THEME\_DEFAULT

  // 设置默认主题

  lv\_theme\_default\_init(

    NULL, // 没指定 则为默认主题

    lv\_palette\_main(LV\_PALETTE\_BLUE), // 主颜色为蓝色

    lv\_palette\_main(LV\_PALETTE\_RED), // 次颜色为红色

    LV\_THEME\_DEFAULT\_DARK, // 设置主题为暗色模式

    font\_normal // 字体

  );

#endif



  // 设置字体透明度

  lv\_style\_init(&style\_text\_opacity);

  lv\_style\_set\_text\_opa(&style\_text\_opacity, LV\_OPA\_50);



  // 设置标题字体大小

  lv\_style\_init(&style\_title);

  lv\_style\_set\_text\_font(&style\_title, font\_large);





  // 标题

  lv\_obj\_t \* title = lv\_label\_create(lv\_scr\_act());

  lv\_label\_set\_text(title, "Test Title");

  lv\_obj\_add\_style(title, &style\_title, 0);

  lv\_obj\_add\_style(title, &style\_text\_opacity, 0);



  // 创建按钮

  lv\_obj\_t \* btn1 = lv\_btn\_create(lv\_scr\_act());



  // 设置定位

  lv\_obj\_set\_pos(btn1, 60, 40);



  // 复制btn1

  lv\_obj\_t \* btn2 = lv\_btn\_create(lv\_scr\_act());

  // 设置定位

  lv\_obj\_set\_pos(btn2, 60, 80);



  // 给按钮添加文字

  lv\_obj\_t \* label1 = lv\_label\_create(btn1);

  lv\_label\_set\_text(label1, "Button 1");



  lv\_obj\_t \* label2 = lv\_label\_create(btn2);

  lv\_label\_set\_text(label2, "Button 2");



}





#endif

/\*\*

 \* @file lv\_demos.h

 \*

 \*/



#ifndef LV\_DEMOS\_H

#define LV\_DEMOS\_H



#ifdef \_\_cplusplus

extern "C" {

#endif



/\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*

 \*      INCLUDES

 \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*/

#include "lvgl.h"



#if LV\_USE\_DEMO\_TEST

#include "test/lv\_demo\_test.h"

#endif



#ifdef \_\_cplusplus

} /\* extern "C" \*/

#endif



#endif /\*LV\_DEMO\_H\*/

/\*\*

 \* @file main.c

 \* @brief

 \*

 \* Copyright (c) 2021 Bouffalolab team

 \*

 \* Licensed to the Apache Software Foundation (ASF) under one or more

 \* contributor license agreements.  See the NOTICE file distributed with

 \* this work for additional information regarding copyright ownership.  The

 \* ASF licenses this file to you under the Apache License, Version 2.0 (the

 \* "License"); you may not use this file except in compliance with the

 \* License.  You may obtain a copy of the License at

 \*

 \*   http://www.apache.org/licenses/LICENSE-2.0

 \*

 \* Unless required by applicable law or agreed to in writing, software

 \* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT

 \* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the

 \* License for the specific language governing permissions and limitations

 \* under the License.

 \*

 \*

 \*/

#include "board.h"

#include "bflb\_gpio.h"

#include "bflb\_l1c.h"

#include "bflb\_mtimer.h"



#include "lv\_conf.h"

#include "lvgl.h"



#include "lv\_port\_disp.h"

#include "lv\_port\_indev.h"



#include "lcd.h"



#include "demos/lv\_demos.h"



/\* lvgl log cb \*/

void lv\_log\_print\_g\_cb(const char \*buf)

{

    printf("[LVGL] %s", buf);

}



int main(void)

{

    board\_init();

    printf("lvgl case\r\n");



    /\* lvgl init \*/

    lv\_log\_register\_print\_cb(lv\_log\_print\_g\_cb);

    lv\_init();

    // 初始化显示驱动

    lv\_port\_disp\_init();

    // 初始化输入设备驱动

    lv\_port\_indev\_init();



    // 屏幕绘制

    lv\_demo\_test();



    // 任务队列用于管理后台任务，例如绘制屏幕、处理用户输入等

    lv\_task\_handler();



    printf("lvgl success\r\n");

    while (1) {

        lv\_task\_handler();

        bflb\_mtimer\_delay\_ms(1);

    }

}