Arduino--240*240 ST7735/ST77891.3寸显示屏

妖狐艹你老母 2023-06-25 13:30 14阅读 0赞

需要的库：

*  Adafruit\_GFX
 *  Adafruit\_ST7789  
    ![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9saWVmeXVhbi5ibG9nLmNzZG4ubmV0_size_16_color_FFFFFF_t_70]

## 显示效果那是相当的细腻！ ##

## Arduino UNO R3连线 ##

*  GND：GND
 *  VCC：5V
 *  SCL：13
 *  SDA：11
 *  RES：8
 *  DC：9
 *  BLK：5V

#include <Adafruit_GFX.h> // Core graphics library
    #include <Adafruit_ST7789.h> // Hardware-specific library for ST7789
    #include <SPI.h> // Arduino SPI library
     
    // ST7789 TFT module connections
    #define TFT_CS 10 // define chip select pin
    #define TFT_DC 9 // define data/command pin
    #define TFT_RST 8 // define reset pin, or set to -1 and connect to Arduino RESET pin
     
    // Initialize Adafruit ST7789 TFT library
    Adafruit_ST7789 tft = Adafruit_ST7789(TFT_CS, TFT_DC, TFT_RST);
     
    float p = 3.1415926;
     
    void setup(void) { 
      Serial.begin(9600);
      Serial.print(F("Hello! ST77xx TFT Test"));
     
      // if the display has CS pin try with SPI_MODE0
      tft.init(240, 240, SPI_MODE2);    // Init ST7789 display 240x240 pixel
     
      // if the screen is flipped, remove this command
      tft.setRotation(2);
     
      Serial.println(F("Initialized"));
     
      uint16_t time = millis();
      tft.fillScreen(ST77XX_BLACK);
      time = millis() - time;
     
      Serial.println(time, DEC);
      delay(500);
     
      // large block of text
      tft.fillScreen(ST77XX_BLACK);
      testdrawtext("Lorem ipsum dolor sit amet, consectetur adipiscing elit. Curabitur adipiscing ante sed nibh tincidunt feugiat. Maecenas enim massa, fringilla sed malesuada et, malesuada sit amet turpis. Sed porttitor neque ut ante pretium vitae malesuada nunc bibendum. Nullam aliquet ultrices massa eu hendrerit. Ut sed nisi lorem. In vestibulum purus a tortor imperdiet posuere. ", ST77XX_WHITE);
      delay(1000);
     
      // tft print function!
      tftPrintTest();
      delay(4000);
     
      // a single pixel
      tft.drawPixel(tft.width()/2, tft.height()/2, ST77XX_GREEN);
      delay(500);
     
      // line draw test
      testlines(ST77XX_YELLOW);
      delay(500);
     
      // optimized lines
      testfastlines(ST77XX_RED, ST77XX_BLUE);
      delay(500);
     
      testdrawrects(ST77XX_GREEN);
      delay(500);
     
      testfillrects(ST77XX_YELLOW, ST77XX_MAGENTA);
      delay(500);
     
      tft.fillScreen(ST77XX_BLACK);
      testfillcircles(10, ST77XX_BLUE);
      testdrawcircles(10, ST77XX_WHITE);
      delay(500);
     
      testroundrects();
      delay(500);
     
      testtriangles();
      delay(500);
     
      mediabuttons();
      delay(500);
     
      Serial.println("done");
      delay(1000);
    }
     
    void loop() { 
      tft.invertDisplay(true);
      delay(500);
      tft.invertDisplay(false);
      delay(500);
    }
     
    void testlines(uint16_t color) { 
      tft.fillScreen(ST77XX_BLACK);
      for (int16_t x=0; x < tft.width(); x+=6) { 
        tft.drawLine(0, 0, x, tft.height()-1, color);
        delay(0);
      }
      for (int16_t y=0; y < tft.height(); y+=6) { 
        tft.drawLine(0, 0, tft.width()-1, y, color);
        delay(0);
      }
     
      tft.fillScreen(ST77XX_BLACK);
      for (int16_t x=0; x < tft.width(); x+=6) { 
        tft.drawLine(tft.width()-1, 0, x, tft.height()-1, color);
        delay(0);
      }
      for (int16_t y=0; y < tft.height(); y+=6) { 
        tft.drawLine(tft.width()-1, 0, 0, y, color);
        delay(0);
      }
     
      tft.fillScreen(ST77XX_BLACK);
      for (int16_t x=0; x < tft.width(); x+=6) { 
        tft.drawLine(0, tft.height()-1, x, 0, color);
        delay(0);
      }
      for (int16_t y=0; y < tft.height(); y+=6) { 
        tft.drawLine(0, tft.height()-1, tft.width()-1, y, color);
        delay(0);
      }
     
      tft.fillScreen(ST77XX_BLACK);
      for (int16_t x=0; x < tft.width(); x+=6) { 
        tft.drawLine(tft.width()-1, tft.height()-1, x, 0, color);
        delay(0);
      }
      for (int16_t y=0; y < tft.height(); y+=6) { 
        tft.drawLine(tft.width()-1, tft.height()-1, 0, y, color);
        delay(0);
      }
    }
     
    void testdrawtext(char *text, uint16_t color) { 
      tft.setCursor(0, 0);
      tft.setTextColor(color);
      tft.setTextWrap(true);
      tft.print(text);
    }
     
    void testfastlines(uint16_t color1, uint16_t color2) { 
      tft.fillScreen(ST77XX_BLACK);
      for (int16_t y=0; y < tft.height(); y+=5) { 
        tft.drawFastHLine(0, y, tft.width(), color1);
      }
      for (int16_t x=0; x < tft.width(); x+=5) { 
        tft.drawFastVLine(x, 0, tft.height(), color2);
      }
    }
     
    void testdrawrects(uint16_t color) { 
      tft.fillScreen(ST77XX_BLACK);
      for (int16_t x=0; x < tft.width(); x+=6) { 
        tft.drawRect(tft.width()/2 -x/2, tft.height()/2 -x/2 , x, x, color);
      }
    }
     
    void testfillrects(uint16_t color1, uint16_t color2) { 
      tft.fillScreen(ST77XX_BLACK);
      for (int16_t x=tft.width()-1; x > 6; x-=6) { 
        tft.fillRect(tft.width()/2 -x/2, tft.height()/2 -x/2 , x, x, color1);
        tft.drawRect(tft.width()/2 -x/2, tft.height()/2 -x/2 , x, x, color2);
      }
    }
     
    void testfillcircles(uint8_t radius, uint16_t color) { 
      for (int16_t x=radius; x < tft.width(); x+=radius*2) { 
        for (int16_t y=radius; y < tft.height(); y+=radius*2) { 
          tft.fillCircle(x, y, radius, color);
        }
      }
    }
     
    void testdrawcircles(uint8_t radius, uint16_t color) { 
      for (int16_t x=0; x < tft.width()+radius; x+=radius*2) { 
        for (int16_t y=0; y < tft.height()+radius; y+=radius*2) { 
          tft.drawCircle(x, y, radius, color);
        }
      }
    }
     
    void testtriangles() { 
      tft.fillScreen(ST77XX_BLACK);
      int color = 0xF800;
      int t;
      int w = tft.width()/2;
      int x = tft.height()-1;
      int y = 0;
      int z = tft.width();
      for(t = 0 ; t <= 15; t++) { 
        tft.drawTriangle(w, y, y, x, z, x, color);
        x-=4;
        y+=4;
        z-=4;
        color+=100;
      }
    }
     
    void testroundrects() { 
      tft.fillScreen(ST77XX_BLACK);
      int color = 100;
      int i;
      int t;
      for(t = 0 ; t <= 4; t+=1) { 
        int x = 0;
        int y = 0;
        int w = tft.width()-2;
        int h = tft.height()-2;
        for(i = 0 ; i <= 16; i+=1) { 
          tft.drawRoundRect(x, y, w, h, 5, color);
          x+=2;
          y+=3;
          w-=4;
          h-=6;
          color+=1100;
        }
        color+=100;
      }
    }
     
    void tftPrintTest() { 
      tft.setTextWrap(false);
      tft.fillScreen(ST77XX_BLACK);
      tft.setCursor(0, 30);
      tft.setTextColor(ST77XX_RED);
      tft.setTextSize(1);
      tft.println("Hello World!");
      tft.setTextColor(ST77XX_YELLOW);
      tft.setTextSize(2);
      tft.println("Hello World!");
      tft.setTextColor(ST77XX_GREEN);
      tft.setTextSize(3);
      tft.println("Hello World!");
      tft.setTextColor(ST77XX_BLUE);
      tft.setTextSize(4);
      tft.print(1234.567);
      delay(1500);
      tft.setCursor(0, 0);
      tft.fillScreen(ST77XX_BLACK);
      tft.setTextColor(ST77XX_WHITE);
      tft.setTextSize(0);
      tft.println("Hello World!");
      tft.setTextSize(1);
      tft.setTextColor(ST77XX_GREEN);
      tft.print(p, 6);
      tft.println(" Want pi?");
      tft.println(" ");
      tft.print(8675309, HEX); // print 8,675,309 out in HEX!
      tft.println(" Print HEX!");
      tft.println(" ");
      tft.setTextColor(ST77XX_WHITE);
      tft.println("Sketch has been");
      tft.println("running for: ");
      tft.setTextColor(ST77XX_MAGENTA);
      tft.print(millis() / 1000);
      tft.setTextColor(ST77XX_WHITE);
      tft.print(" seconds.");
    }
     
    void mediabuttons() { 
      // play
      tft.fillScreen(ST77XX_BLACK);
      tft.fillRoundRect(25, 10, 78, 60, 8, ST77XX_WHITE);
      tft.fillTriangle(42, 20, 42, 60, 90, 40, ST77XX_RED);
      delay(500);
      // pause
      tft.fillRoundRect(25, 90, 78, 60, 8, ST77XX_WHITE);
      tft.fillRoundRect(39, 98, 20, 45, 5, ST77XX_GREEN);
      tft.fillRoundRect(69, 98, 20, 45, 5, ST77XX_GREEN);
      delay(500);
      // play color
      tft.fillTriangle(42, 20, 42, 60, 90, 40, ST77XX_BLUE);
      delay(50);
      // pause color
      tft.fillRoundRect(39, 98, 20, 45, 5, ST77XX_RED);
      tft.fillRoundRect(69, 98, 20, 45, 5, ST77XX_RED);
      // play color
      tft.fillTriangle(42, 20, 42, 60, 90, 40, ST77XX_GREEN);
    }

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9saWVmeXVhbi5ibG9nLmNzZG4ubmV0_size_16_color_FFFFFF_t_70]: https://img-blog.csdnimg.cn/20191229144856556.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9saWVmeXVhbi5ibG9nLmNzZG4ubmV0,size_16,color_FFFFFF,t_70