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【雕爷学编程】Arduino动手做(153)---2.4寸TFT

【雕爷学编程】Arduino动手做(153)---2.4寸TFT

作者: 驴友花雕 | 来源:发表于2023-07-10 08:32 被阅读0次

    37款传感器与执行器的提法,在网络上广泛流传,其实Arduino能够兼容的传感器模块肯定是不止这37种的。鉴于本人手头积累了一些传感器和执行器模块,依照实践出真知(一定要动手做)的理念,以学习和交流为目的,这里准备逐一动手尝试系列实验,不管成功(程序走通)与否,都会记录下来—小小的进步或是搞不掂的问题,希望能够抛砖引玉。

    【Arduino】168种传感器模块系列实验(资料代码+仿真编程+图形编程)
    实验一百五十三:2.4寸TFT液晶触摸屏 彩屏模块 可直插UNO R3 Mega2560开发板

    18.jpg

    【Arduino】168种传感器模块系列实验(资料代码+仿真编程+图形编程)

    实验一百五十三:2.4寸TFT液晶触摸屏 彩屏模块 可直插UNO R3 Mega2560开发板

    项目之六:逐行显示不同字号的英文字符串

    实验开源代码:

    /*
    
     【Arduino】168种传感器模块系列实验(资料代码+仿真编程+图形编程)
    
     实验一百五十三:2.4寸TFT液晶触摸屏 彩屏模块 TFT-LCD 高清真彩显示屏
    
     项目之六:逐行显示不同字号的英文字符串
    
     模块直插,引脚用法如下:
    
     LCD_CS LCD_CD LCD_WR LCD_RD LCD_RST SD_SS SD_DI SD_DO SD_SCK
    
     Arduino Uno A3 A2 A1 A0 A4 10 11 12 13
    
     LCD_D0 LCD_D1 LCD_D2 LCD_D3 LCD_D4 LCD_D5 LCD_D6 LCD_D7
    
     Arduino Uno 8 9 2 3 4 5 6 7
    
    */
    
    
    
    #include <LCDWIKI_GUI.h> //导入核心图形库
    
    #include <LCDWIKI_KBV.h> //导入特定硬件库
    
    //如果 IC 模型已知或模块不可读,则可以使用此构造函数
    
    LCDWIKI_KBV mylcd(ILI9341, A3, A2, A1, A0, A4); //模型、CS、CD、WR、RD、重置
    
    //如果 IC 模型未知且模块可读,则可以使用此构造函数
    
    //LCDWIKI_KBV my_lcd(240,320,A3,A2,A1,A0,A4);//屏幕宽度、高度、cs、cd、wr、rd、重置
    
    //定义一些颜色值
    
    #define BLACK  0x0000
    
    #define BLUE  0x001F
    
    #define RED   0xF800
    
    #define GREEN  0x07E0
    
    #define CYAN  0x07FF
    
    #define MAGENTA 0xF81F
    
    #define YELLOW 0xFFE0
    
    #define WHITE  0xFFFF
    
    void setup()
    
    {
    
     Serial.begin(9600);
    
     mylcd.Init_LCD();
    
     Serial.println(mylcd.Read_ID(), HEX);
    
     mylcd.Fill_Screen(BLACK);
    
    }
    
    void loop()
    
    {
    
     mylcd.Set_Text_Mode(0);
    
     //显示 1 次字符串
    
     mylcd.Fill_Screen(0x0000);
    
     mylcd.Set_Text_colour(RED);
    
     mylcd.Set_Text_Back_colour(BLACK);
    
     mylcd.Set_Text_Size(1);
    
     mylcd.Print_String("Hello World!", 0, 0);
    
     mylcd.Print_Number_Float(01234.56789, 2, 0, 8, '.', 0, ' ');
    
     mylcd.Print_Number_Int(0xDEADBEF, 0, 16, 0, ' ', 16);
    
     //mylcd.Print_String("DEADBEF", 0, 16);
    
     delay(166);
    
     //显示 2 次字符串
    
     mylcd.Set_Text_colour(GREEN);
    
     mylcd.Set_Text_Size(2);
    
     mylcd.Print_String("Hello World!", 0, 40);
    
     mylcd.Print_Number_Float(01234.56789, 2, 0, 56, '.', 0, ' ');
    
     mylcd.Print_Number_Int(0xDEADBEF, 0, 72, 0, ' ', 16);
    
     //mylcd.Print_String("DEADBEEF", 0, 72);
    
     delay(166);
    
     //显示 3 次字符串
    
     mylcd.Set_Text_colour(BLUE);
    
     mylcd.Set_Text_Size(3);
    
     mylcd.Print_String("Hello World!", 0, 104);
    
     mylcd.Print_Number_Float(01234.56789, 2, 0, 128, '.', 0, ' ');
    
     mylcd.Print_Number_Int(0xDEADBEF, 0, 152, 0, ' ', 16);
    
     // mylcd.Print_String("DEADBEEF", 0, 152);
    
     delay(166);
    
     //显示 4 次字符串
    
     mylcd.Set_Text_colour(WHITE);
    
     mylcd.Set_Text_Size(4);
    
     mylcd.Print_String("Hello!", 0, 192);
    
     delay(166);
    
     //显示 5 次字符串
    
     mylcd.Set_Text_colour(YELLOW);
    
     mylcd.Set_Text_Size(5);
    
     mylcd.Print_String("Hello!", 0, 224);
    
     delay(166);
    
     //显示 6 次字符串
    
     mylcd.Set_Text_colour(RED);
    
     mylcd.Set_Text_Size(6);
    
     mylcd.Print_String("Hello!", 0, 266);
    
     delay(666);
    
    }
    

    实验一百五十三:2.4寸TFT液晶触摸屏 彩屏模块 TFT-LCD 高清真彩显示屏

    项目之六:逐行显示不同字号的英文字符串

    WeChat_20210628114730.gif

    【Arduino】168种传感器模块系列实验(资料代码+仿真编程+图形编程)

    实验一百五十三:2.4寸TFT液晶触摸屏 彩屏模块 TFT-LCD 高清真彩显示屏

    项目之七:诊断接触针

    实验开源代码:

    /*
    
     【Arduino】168种传感器模块系列实验(资料代码+仿真编程+图形编程)
    
      实验一百五十三:2.4寸TFT液晶触摸屏 彩屏模块 TFT-LCD 高清真彩显示屏
    
     项目之七:诊断接触针
    
     模块直插,引脚用法如下:
    
     LCD_CS LCD_CD LCD_WR LCD_RD LCD_RST SD_SS SD_DI SD_DO SD_SCK
    
     Arduino Uno A3 A2 A1 A0 A4 10 11 12 13
    
     LCD_D0 LCD_D1 LCD_D2 LCD_D3 LCD_D4 LCD_D5 LCD_D6 LCD_D7
    
     Arduino Uno 8 9 2 3 4 5 6 7
    
    */
    
    
    
    void showpins(int A, int D, int value, const char *msg) {
    
     Serial.print(msg);
    
     Serial.print(" (A" + String(A - A0) + ", D" + String(D) + ") = ");
    
     Serial.println(value);
    
    }
    
    void setup() {
    
     int i, j, value, Apins[2], Dpins[2], Values[2], found = 0;
    
     Serial.begin(9600);
    
     Serial.println("Making all control and bus pins INPUT_PULLUP");
    
     Serial.println("Typical 30k Analog pullup with corresponding pin");
    
     Serial.println("would read low when digital is written LOW");
    
     Serial.println("e.g. reads ~25 for 300R X direction");
    
     Serial.println("e.g. reads ~30 for 500R Y direction");
    
     Serial.println("");
    
     for (i = A0; i < A5; i++) pinMode(i, INPUT_PULLUP);
    
     for (i = 2; i < 10; i++) pinMode(i, INPUT_PULLUP);
    
     for (i = A0; i < A4; i++) {
    
      for (j = 5; j < 10; j++) {
    
       pinMode(j, OUTPUT);
    
       digitalWrite(j, LOW);
    
       value = analogRead(i);  // 忽略初读
    
       value = analogRead(i);
    
       if (value < 100) {
    
        showpins(i, j, value, "Testing :");
    
        if (found < 2) {
    
         Apins[found] = i;
    
         Dpins[found] = j;
    
         Values[found] = value;
    
         found++;
    
        }
    
       }
    
       pinMode(j, INPUT_PULLUP);
    
      }
    
     }
    
     if (found == 2) {
    
      Serial.println("Diagnosing as:-");
    
      for (i = 0; i < 2; i++) {
    
       showpins(Apins[i], Dpins[i], Values[i], (Values[i] < Values[!i]) ? "XM,XP: " : "YP,YM: ");
    
      }
    
     }
    
    }
    
    void loop() {
    
    }
    
    56.jpg

    【Arduino】168种传感器模块系列实验(资料代码+仿真编程+图形编程)

    实验一百五十三:2.4寸TFT液晶触摸屏 彩屏模块 TFT-LCD 高清真彩显示屏

    项目之八:纵向流动显示字符串

    实验开源代码:

    /*
    
     【Arduino】168种传感器模块系列实验(资料代码+仿真编程+图形编程)
    
     实验一百五十三:2.4寸TFT液晶触摸屏 彩屏模块 TFT-LCD 高清真彩显示屏
    
     项目之八:纵向流动显示字符串
    
     模块直插,引脚用法如下:
    
     LCD_CS LCD_CD LCD_WR LCD_RD LCD_RST SD_SS SD_DI SD_DO SD_SCK
    
     Arduino Uno A3 A2 A1 A0 A4 10 11 12 13
    
     LCD_D0 LCD_D1 LCD_D2 LCD_D3 LCD_D4 LCD_D5 LCD_D6 LCD_D7
    
     Arduino Uno 8 9 2 3 4 5 6 7
    
    */
    
    
    
    #include <Adafruit_GFX.h> // 导入特定硬件的库
    
    #include <MCUFRIEND_kbv.h>
    
    MCUFRIEND_kbv tft;
    
    #define BLACK  0x0000
    
    #define BLUE  0x001F
    
    #define RED   0xF800
    
    #define GREEN  0x07E0
    
    #define CYAN  0x07FF
    
    #define MAGENTA 0xF81F
    
    #define YELLOW 0xFFE0
    
    #define WHITE  0xFFFF
    
    // 在行号中工作。 以 16 为单位的字体高度
    
    int16_t ht = 16, top = 3, line, lines = 15, scroll;
    
    void setup() {
    
     tft.reset();
    
     uint16_t id = tft.readID();
    
     tft.begin(id);
    
     tft.setRotation(0);   //肖像
    
     tft.fillScreen(BLACK);
    
     tft.setTextColor(WHITE, BLACK);
    
     tft.setTextSize(2);   // 系统字体为 8 像素。 ht = 8*2=16
    
     tft.setCursor(100, 0);
    
     tft.print("ID = 0x");
    
     tft.println(id, HEX);
    
     if (id == 0x9320 || id == 0x9325 || id == 0xB509) {
    
      top = 0;           // 这些控制器滚动全屏
    
      lines = tft.height() / ht;  // 我们处于纵向模式
    
     }
    
     if (id == 0x7783) {
    
      tft.println("can NOT scroll");
    
      while (1);          // 休止
    
     }
    
     tft.setCursor(0, 0);
    
     for (line = 1; line < 21; line++) tft.println(String(line) + ": ");
    
    }
    
    void loop(){
    
     tft.setCursor(0, (scroll + top) * ht);
    
     if (++scroll >= lines) scroll = 0;
    
     tft.vertScroll(top * ht, lines * ht, (scroll) * ht);
    
     tft.println(String(line) + ": [" + String(scroll) + "] ");
    
     delay(100);
    
     line++;
    
    }
    

    Arduino实验场景图

    https://imagemc.dfrobot.com.cn/data/attachment/forum/202106/28/125955hrd1ln1n7xrcmg7g.gif

    WeChat_20210628125656.gif

    【Arduino】168种传感器模块系列实验(资料代码+仿真编程+图形编程)

    实验一百五十三:2.4寸TFT液晶触摸屏 彩屏模块 TFT-LCD 高清真彩显示屏

    项目之九:动态背景四面循环显示字符串

    Arduino实验开源代码

    /*
    
     【Arduino】168种传感器模块系列实验(资料代码+仿真编程+图形编程)
    
      实验一百五十三:2.4寸TFT液晶触摸屏 彩屏模块 TFT-LCD 高清真彩显示屏
    
     项目之九:动态背景四面循环显示字符串
    
     模块直插,引脚用法如下:
    
     LCD_CS LCD_CD LCD_WR LCD_RD LCD_RST SD_SS SD_DI SD_DO SD_SCK
    
     Arduino Uno A3 A2 A1 A0 A4 10 11 12 13
    
     LCD_D0 LCD_D1 LCD_D2 LCD_D3 LCD_D4 LCD_D5 LCD_D6 LCD_D7
    
     Arduino Uno 8 9 2 3 4 5 6 7
    
    */
    
    
    
    #include <Adafruit_GFX.h> // 导入基本图形库
    
    #include <MCUFRIEND_kbv.h>
    
    MCUFRIEND_kbv tft;
    
    void setup(){
    
      Serial.begin(9600);
    
      tft.reset();
    
      uint16_t identifier = tft.readID();
    
      Serial.print("ID = 0x");
    
      Serial.println(identifier, HEX);
    
      if (identifier == 0xEFEF) identifier = 0x9486;
    
      tft.begin(identifier);
    
      // tft fill Screen (BLACK);
    
    }
    
    char *msg[] = { "PORTRAIT", "LANDSCAPE", "PORTRAIT_REV", "LANDSCAPE_REV" };
    
    uint8_t aspect;
    
    void loop(){
    
      uint16_t x = 50, y = 100;
    
      tft.setRotation(aspect);
    
      tft.fillScreen(0x0000);
    
      tft.setCursor(0, 0);
    
      tft.setTextSize(2);
    
      tft.println(msg[aspect]);
    
      tft.setCursor(x, y);
    
      tft.println("[x=" + String(x) + ",y=" + String(y) + "]");
    
      delay(800);
    
      tft.println("INVERT ON");
    
      tft.invertDisplay(true);
    
      delay(250);
    
      tft.invertDisplay(false);
    
      tft.println("INVERT OFF");
    
      delay(250);
    
      if (++aspect >= 4) aspect = 0;
    
    }
    

    Arduino实验场景图

    https://mc.dfrobot.com.cn/data/attachment/forum/202106/28/135424yzt2775hhjbth8mf.gif

    WeChat_20210628133416.gif

    【Arduino】168种传感器模块系列实验(资料代码+仿真编程+图形编程)

    实验一百五十三:2.4寸TFT液晶触摸屏 彩屏模块 TFT-LCD 高清真彩显示屏

    项目之十:逐行显示不同字号的英文字符串

    Arduino实验开源代码

    /*
    
     【Arduino】168种传感器模块系列实验(资料代码+仿真编程+图形编程)
    
     实验一百五十三:2.4寸TFT液晶触摸屏 彩屏模块 TFT-LCD 高清真彩显示屏
    
     项目之十:逐行显示不同字号的英文字符串
    
     模块直插,引脚用法如下:
    
     LCD_CS LCD_CD LCD_WR LCD_RD LCD_RST SD_SS SD_DI SD_DO SD_SCK
    
     Arduino Uno A3 A2 A1 A0 A4 10 11 12 13
    
     LCD_D0 LCD_D1 LCD_D2 LCD_D3 LCD_D4 LCD_D5 LCD_D6 LCD_D7
    
     Arduino Uno 8 9 2 3 4 5 6 7
    
    */
    
    
    
    #include <Adafruit_GFX.h>  // 导入核心图形库
    
    #include <MCUFRIEND_kbv.h>  // 导入特定硬件库
    
    MCUFRIEND_kbv tft;
    
    #include <Fonts/FreeSans9pt7b.h> //导入字体库
    
    #include <Fonts/FreeSans12pt7b.h>
    
    #include <Fonts/FreeSerif12pt7b.h>
    
    #include <FreeDefaultFonts.h>
    
    #define BLACK  0x0000
    
    #define RED   0xF800
    
    #define GREEN  0x07E0
    
    #define WHITE  0xFFFF
    
    #define GREY  0x8410
    
    void setup(void){
    
      Serial.begin(9600);
    
      uint16_t ID = tft.readID();
    
      Serial.println("Example: Font_simple");
    
      Serial.print("found ID = 0x");
    
      Serial.println(ID, HEX);
    
      Serial.println("The display font is ready OK!");
    
      if (ID == 0xD3D3) ID = 0x9481; //如果只写显示,则强制 ID
    
      tft.begin(ID);
    
      tft.setRotation(0);
    
    }
    
    void loop(void){
    
      tft.fillScreen(BLACK);
    
      showmsgXY(20, 10, 1, NULL, "System x1");
    
      showmsgXY(20, 24, 2, NULL, "System x2");
    
      showmsgXY(20, 60, 1, &FreeSans9pt7b, "FreeSans9pt7b");
    
      showmsgXY(20, 80, 1, &FreeSans12pt7b, "FreeSans12pt7b");
    
      showmsgXY(20, 100, 1, &FreeSerif12pt7b, "FreeSerif12pt7b");
    
      showmsgXY(20, 120, 1, &FreeSmallFont, "FreeSmallFont");
    
      showmsgXY(5, 180, 1, &FreeSevenSegNumFont, "01234");
    
      showmsgXY(5, 190, 1, NULL, "System Font is drawn from topline");
    
      tft.setTextColor(RED, GREY);
    
      tft.setTextSize(2);
    
      tft.setCursor(0, 220);
    
      tft.print("7x5 can overwrite");
    
      delay(50);
    
      tft.setCursor(0, 220);
    
      tft.print("if background set");
    
      delay(50);
    
      showmsgXY(5, 260, 1, &FreeSans9pt7b, "Free Fonts from baseline");
    
       delay(50);
    
      showmsgXY(5, 285, 1, &FreeSans9pt7b, "Free Fonts transparent");
    
      delay(50);
    
      showmsgXY(5, 310, 1, &FreeSans9pt7b, "erase backgnd with fillRect()");
    
      delay(300);
    
    }
    
    void showmsgXY(int x, int y, int sz, const GFXfont *f, const char *msg)
    
    {
    
      int16_t x1, y1;
    
      uint16_t wid, ht;
    
      tft.drawFastHLine(0, y, tft.width(), WHITE);
    
      tft.setFont(f);
    
      tft.setCursor(x, y);
    
      tft.setTextColor(GREEN);
    
      tft.setTextSize(sz);
    
      tft.print(msg);
    
      delay(500);
    
    }
    

    实验串口返回情况

    21.jpg

    【Arduino】168种传感器模块系列实验(资料代码+仿真编程+图形编程)

    实验一百五十三:2.4寸TFT液晶触摸屏 彩屏模块 TFT-LCD 高清真彩显示屏

    项目之十:逐行显示不同字号的英文字符串

    Arduino实验场景图

    WeChat_20210628150433.gif

    【Arduino】168种传感器模块系列实验(资料代码+仿真编程+图形编程)

    实验一百五十三:2.4寸TFT液晶触摸屏 彩屏模块 TFT-LCD 高清真彩显示屏

    项目之十一:四方向满屏动态字符串

    实验开源代码:

    /*
    
     【Arduino】168种传感器模块系列实验(资料代码+仿真编程+图形编程)
    
     实验一百五十三:2.4寸TFT液晶触摸屏 彩屏模块 TFT-LCD 高清真彩显示屏
    
     项目之十一:四方向满屏动态字符串
    
     模块直插,引脚用法如下:
    
     LCD_CS LCD_CD LCD_WR LCD_RD LCD_RST SD_SS SD_DI SD_DO SD_SCK
    
     Arduino Uno A3 A2 A1 A0 A4 10 11 12 13
    
     LCD_D0 LCD_D1 LCD_D2 LCD_D3 LCD_D4 LCD_D5 LCD_D6 LCD_D7
    
     Arduino Uno 8 9 2 3 4 5 6 7
    
    */
    
    #define LCD_CS A3 // Chip Select goes to Analog 3
    
    #define LCD_CD A2 // Command/Data goes to Analog 2
    
    #define LCD_WR A1 // LCD Write goes to Analog 1
    
    #define LCD_RD A0 // LCD Read goes to Analog 0
    
    #define LCD_RESET A4 // Can alternately just connect to Arduino's reset pin
    
    #include <Adafruit_GFX.h> // Hardware-specific library
    
    #include <MCUFRIEND_kbv.h>
    
    MCUFRIEND_kbv tft;
    
    //#include <Adafruit_TFTLCD.h> // Hardware-specific library
    
    //Adafruit_TFTLCD tft(LCD_CS, LCD_CD, LCD_WR, LCD_RD, LCD_RESET);
    
    //Adafruit_TFTLCD tft;
    
    //为一些常见的 16 位颜色值分配可读的名称
    
    #define    BLACK  0x0000
    
    #define    BLUE  0x001F
    
    #define    RED   0xF800
    
    #define    GREEN  0x07E0
    
    #define CYAN  0x07FF
    
    #define MAGENTA 0xF81F
    
    #define YELLOW 0xFFE0
    
    #define WHITE  0xFFFF
    
    void setup(void);
    
    void loop(void);
    
    uint16_t g_identifier;
    
    void setup(void) {
    
     tft.reset();
    
     g_identifier = tft.readID();
    
     Serial.begin(9600);
    
     Serial.print("readID = 0x");
    
     Serial.println(g_identifier, HEX);
    
     if (g_identifier == 0xFFFF) g_identifier = 0x9341;
    
     if (g_identifier == 0) {
    
      Serial.println("Unknown ID");
    
      while (1);
    
     }
    
     tft.begin(g_identifier);
    
     tft.setRotation(0);
    
    }
    
    uint16_t colors[] = {
    
     BLACK, BLUE
    
    };
    
    void colordump(uint16_t x, uint16_t y)
    
    {
    
     uint16_t pixel, pixels[32];
    
     char i, j, buf[20], dirty;
    
     uint8_t wid = (tft.width() - 9 * 6) / (5 * 6), ht = (tft.height() / 8) - 1;
    
     tft.setTextColor(WHITE);
    
     tft.setTextSize(1);
    
     for (j = 0; j < ht; j++) {
    
      sprintf(buf, "%3d,%3d:", x, y + j);
    
      tft.print(buf);
    
      dirty = 1;
    
      for (i = 0; i < wid; i++) {
    
    #if 1 && defined(MCUFRIEND_KBV_H_)
    
       if (dirty) tft.readGRAM(x, y + j, pixels, wid, 1);
    
       dirty = 0;
    
       pixel = pixels[i];
    
    #else
    
       pixel = tft.readPixel(x + i, y + j);
    
    #endif
    
       tft.print(" ");
    
       if (pixel == WHITE) tft.setTextColor(GREEN);
    
       sprintf(buf, "%04X", pixel);
    
       tft.print(buf);
    
       tft.setTextColor(WHITE);
    
      }
    
      tft.println();
    
     }
    
    }
    
    uint16_t bgr(uint16_t color) {
    
     return ((color & 0xF800) >> 11) | (color & 0x7E0) | (color & 0x1F) << 11;
    
    }
    
    void duffcolor(uint16_t color) {
    
     uint16_t pixel, x, y;
    
     char done, buf[20];
    
     uint16_t BGR = bgr(color);
    
     for (done = 0, y = 0; y < 320 && !done; y++) {
    
      for (x = 0; x < 240; x++) {
    
       //pixel = readxy(x, y);
    
       pixel = tft.readPixel(x, y);
    
       if (pixel != BGR) {
    
        done = 1;
    
        sprintf(buf, "0x%04X @ %d, %d", pixel, x, y);
    
        tft.println(buf);
    
        break;
    
       }
    
      }
    
     }
    
    }
    
    uint8_t aspect;
    
    char *aspectname[] = {
    
     "PORTRAIT", "LANDSCAPE", "PORTRAIT_REV", "LANDSCAPE_REV"
    
    };
    
    void loop(void) {
    
     uint16_t iter, color;
    
     char buf[80];
    
     aspect = (aspect + 1) & 3;
    
     tft.setRotation(aspect);
    
     for (iter = 0; iter < sizeof(colors) / sizeof(uint16_t); iter++) {
    
      color = colors[iter];
    
      tft.fillScreen(color);
    
      tft.setTextColor(WHITE);
    
      tft.setTextSize(1);
    
      tft.setCursor(0, 0);
    
      sprintf(buf, "ID=0x%04X Background=%04X %s",
    
          tft.readID(), color, aspectname[aspect]);
    
      tft.println(buf);
    
      colordump(6 * 6, 0);
    
      //duffcolor(color);
    
      delay(400);
    
     }
    
    }
    

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          本文标题:【雕爷学编程】Arduino动手做(153)---2.4寸TFT

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