• 【Proteus仿真】【Arduino单片机】OLED液晶显示



    一、功能简介

    本项目使用Proteus8仿真Arduino单片机控制器,使用IIC OLED液晶等。
    主要功能:
    系统运行后,OLED液晶显示各种图形、字符、图像。


    二、软件设计

    /*
    作者:嗨小易(QQ:3443792007)
    
    */
    
    #include 
    #include 
    #include 
    #include 
    
    #define SCREEN_WIDTH 128 // OLED display width, in pixels
    #define SCREEN_HEIGHT 64 // OLED display height, in pixels
    
    // Declaration for an SSD1306 display connected to I2C (SDA, SCL pins)
    // The pins for I2C are defined by the Wire-library. 
    // On an arduino UNO:       A4(SDA), A5(SCL)
    // On an arduino MEGA 2560: 20(SDA), 21(SCL)
    // On an arduino LEONARDO:   2(SDA),  3(SCL), ...
    #define OLED_RESET     -1 // Reset pin # (or -1 if sharing Arduino reset pin)
    #define SCREEN_ADDRESS 0x3C ///< See datasheet for Address; 0x3D for 128x64, 0x3C for 128x32
    Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
    
    #define NUMFLAKES     10 // Number of snowflakes in the animation example
    
    #define LOGO_HEIGHT   16
    #define LOGO_WIDTH    16
    static const unsigned char PROGMEM logo_bmp[] =
    { 0b00000000, 0b11000000,
      0b00000001, 0b11000000,
      0b00000001, 0b11000000,
      0b00000011, 0b11100000,
      0b11110011, 0b11100000,
      0b11111110, 0b11111000,
      0b01111110, 0b11111111,
      0b00110011, 0b10011111,
      0b00011111, 0b11111100,
      0b00001101, 0b01110000,
      0b00011011, 0b10100000,
      0b00111111, 0b11100000,
      0b00111111, 0b11110000,
      0b01111100, 0b11110000,
      0b01110000, 0b01110000,
      0b00000000, 0b00110000 };
    
    void setup() {
      Serial.begin(9600);
    
      // SSD1306_SWITCHCAPVCC = generate display voltage from 3.3V internally
      if(!display.begin(SSD1306_SWITCHCAPVCC, SCREEN_ADDRESS)) {
        Serial.println(F("SSD1306 allocation failed"));
        for(;;); // Don't proceed, loop forever
      }
    
      // Show initial display buffer contents on the screen --
      // the library initializes this with an Adafruit splash screen.
      display.display();
      delay(1000); // Pause for 1 seconds
    
      // Clear the buffer
      display.clearDisplay();
    
      // Draw a single pixel in white
      display.drawPixel(10, 10, SSD1306_WHITE);
    
      // Show the display buffer on the screen. You MUST call display() after
      // drawing commands to make them visible on screen!
      display.display();
      delay(2000);
      // display.display() is NOT necessary after every single drawing command,
      // unless that's what you want...rather, you can batch up a bunch of
      // drawing operations and then update the screen all at once by calling
      // display.display(). These examples demonstrate both approaches...
    
      testdrawline();      // Draw many lines
    
      testdrawrect();      // Draw rectangles (outlines)
    
      testfillrect();      // Draw rectangles (filled)
    
      testdrawcircle();    // Draw circles (outlines)
    
      testfillcircle();    // Draw circles (filled)
    
      testdrawroundrect(); // Draw rounded rectangles (outlines)
    
      testfillroundrect(); // Draw rounded rectangles (filled)
    
      testdrawtriangle();  // Draw triangles (outlines)
    
      testfilltriangle();  // Draw triangles (filled)
    
      testdrawchar();      // Draw characters of the default font
    
      testdrawstyles();    // Draw 'stylized' characters
    
      testscrolltext();    // Draw scrolling text
    
      testdrawbitmap();    // Draw a small bitmap image
    
      // Invert and restore display, pausing in-between
      display.invertDisplay(true);
      delay(1000);
      display.invertDisplay(false);
      delay(1000);
    
      testanimate(logo_bmp, LOGO_WIDTH, LOGO_HEIGHT); // Animate bitmaps
    }
    
    void loop() {
    }
    
    void testdrawline() {
      int16_t i;
    
      display.clearDisplay(); // Clear display buffer
    
      for(i=0; i<display.width(); i+=4) {
        display.drawLine(0, 0, i, display.height()-1, SSD1306_WHITE);
        display.display(); // Update screen with each newly-drawn line
        delay(1);
      }
      for(i=0; i<display.height(); i+=4) {
        display.drawLine(0, 0, display.width()-1, i, SSD1306_WHITE);
        display.display();
        delay(1);
      }
      delay(250);
    
      display.clearDisplay();
    
      for(i=0; i<display.width(); i+=4) {
        display.drawLine(0, display.height()-1, i, 0, SSD1306_WHITE);
        display.display();
        delay(1);
      }
      for(i=display.height()-1; i>=0; i-=4) {
        display.drawLine(0, display.height()-1, display.width()-1, i, SSD1306_WHITE);
        display.display();
        delay(1);
      }
      delay(250);
    
      display.clearDisplay();
    
      for(i=display.width()-1; i>=0; i-=4) {
        display.drawLine(display.width()-1, display.height()-1, i, 0, SSD1306_WHITE);
        display.display();
        delay(1);
      }
      for(i=display.height()-1; i>=0; i-=4) {
        display.drawLine(display.width()-1, display.height()-1, 0, i, SSD1306_WHITE);
        display.display();
        delay(1);
      }
      delay(250);
    
      display.clearDisplay();
    
      for(i=0; i<display.height(); i+=4) {
        display.drawLine(display.width()-1, 0, 0, i, SSD1306_WHITE);
        display.display();
        delay(1);
      }
      for(i=0; i<display.width(); i+=4) {
        display.drawLine(display.width()-1, 0, i, display.height()-1, SSD1306_WHITE);
        display.display();
        delay(1);
      }
    
      delay(2000); // Pause for 2 seconds
    }
    
    void testdrawrect(void) {
      display.clearDisplay();
    
      for(int16_t i=0; i<display.height()/2; i+=2) {
        display.drawRect(i, i, display.width()-2*i, display.height()-2*i, SSD1306_WHITE);
        display.display(); // Update screen with each newly-drawn rectangle
        delay(1);
      }
    
      delay(2000);
    }
    
    void testfillrect(void) {
      display.clearDisplay();
    
      for(int16_t i=0; i<display.height()/2; i+=3) {
        // The INVERSE color is used so rectangles alternate white/black
        display.fillRect(i, i, display.width()-i*2, display.height()-i*2, SSD1306_INVERSE);
        display.display(); // Update screen with each newly-drawn rectangle
        delay(1);
      }
    
      delay(2000);
    }
    
    void testdrawcircle(void) {
      display.clearDisplay();
    
      for(int16_t i=0; i<max(display.width(),display.height())/2; i+=2) {
        display.drawCircle(display.width()/2, display.height()/2, i, SSD1306_WHITE);
        display.display();
        delay(1);
      }
    
      delay(2000);
    }
    
    void testfillcircle(void) {
      display.clearDisplay();
    
      for(int16_t i=max(display.width(),display.height())/2; i>0; i-=3) {
        // The INVERSE color is used so circles alternate white/black
        display.fillCircle(display.width() / 2, display.height() / 2, i, SSD1306_INVERSE);
        display.display(); // Update screen with each newly-drawn circle
        delay(1);
      }
    
      delay(2000);
    }
    
    void testdrawroundrect(void) {
      display.clearDisplay();
    
      for(int16_t i=0; i<display.height()/2-2; i+=2) {
        display.drawRoundRect(i, i, display.width()-2*i, display.height()-2*i,
          display.height()/4, SSD1306_WHITE);
        display.display();
        delay(1);
      }
    
      delay(2000);
    }
    
    void testfillroundrect(void) {
      display.clearDisplay();
    
      for(int16_t i=0; i<display.height()/2-2; i+=2) {
        // The INVERSE color is used so round-rects alternate white/black
        display.fillRoundRect(i, i, display.width()-2*i, display.height()-2*i,
          display.height()/4, SSD1306_INVERSE);
        display.display();
        delay(1);
      }
    
      delay(2000);
    }
    
    void testdrawtriangle(void) {
      display.clearDisplay();
    
      for(int16_t i=0; i<max(display.width(),display.height())/2; i+=5) {
        display.drawTriangle(
          display.width()/2  , display.height()/2-i,
          display.width()/2-i, display.height()/2+i,
          display.width()/2+i, display.height()/2+i, SSD1306_WHITE);
        display.display();
        delay(1);
      }
    
      delay(2000);
    }
    
    void testfilltriangle(void) {
      display.clearDisplay();
    
      for(int16_t i=max(display.width(),display.height())/2; i>0; i-=5) {
        // The INVERSE color is used so triangles alternate white/black
        display.fillTriangle(
          display.width()/2  , display.height()/2-i,
          display.width()/2-i, display.height()/2+i,
          display.width()/2+i, display.height()/2+i, SSD1306_INVERSE);
        display.display();
        delay(1);
      }
    
      delay(2000);
    }
    
    void testdrawchar(void) {
      display.clearDisplay();
    
      display.setTextSize(1);      // Normal 1:1 pixel scale
      display.setTextColor(SSD1306_WHITE); // Draw white text
      display.setCursor(0, 0);     // Start at top-left corner
      display.cp437(true);         // Use full 256 char 'Code Page 437' font
    
      // Not all the characters will fit on the display. This is normal.
      // Library will draw what it can and the rest will be clipped.
      for(int16_t i=0; i<256; i++) {
        if(i == '\n') display.write(' ');
        else          display.write(i);
      }
    
      display.display();
      delay(2000);
    }
    
    void testdrawstyles(void) {
      display.clearDisplay();
    
      display.setTextSize(1);             // Normal 1:1 pixel scale
      display.setTextColor(SSD1306_WHITE);        // Draw white text
      display.setCursor(0,0);             // Start at top-left corner
      display.println(F("Hello, world!"));
    
      display.setTextColor(SSD1306_BLACK, SSD1306_WHITE); // Draw 'inverse' text
      display.println(3.141592);
    
      display.setTextSize(2);             // Draw 2X-scale text
      display.setTextColor(SSD1306_WHITE);
      display.print(F("0x")); display.println(0xDEADBEEF, HEX);
    
      display.display();
      delay(2000);
    }
    
    void testscrolltext(void) {
      display.clearDisplay();
    
      display.setTextSize(2); // Draw 2X-scale text
      display.setTextColor(SSD1306_WHITE);
      display.setCursor(10, 0);
      display.println(F("scroll"));
      display.display();      // Show initial text
      delay(100);
    
      // Scroll in various directions, pausing in-between:
      display.startscrollright(0x00, 0x0F);
      delay(2000);
      display.stopscroll();
      delay(1000);
      display.startscrollleft(0x00, 0x0F);
      delay(2000);
      display.stopscroll();
      delay(1000);
      display.startscrolldiagright(0x00, 0x07);
      delay(2000);
      display.startscrolldiagleft(0x00, 0x07);
      delay(2000);
      display.stopscroll();
      delay(1000);
    }
    
    void testdrawbitmap(void) {
      display.clearDisplay();
    
      display.drawBitmap(
        (display.width()  - LOGO_WIDTH ) / 2,
        (display.height() - LOGO_HEIGHT) / 2,
        logo_bmp, LOGO_WIDTH, LOGO_HEIGHT, 1);
      display.display();
      delay(1000);
    }
    
    #define XPOS   0 // Indexes into the 'icons' array in function below
    #define YPOS   1
    #define DELTAY 2
    
    void testanimate(const uint8_t *bitmap, uint8_t w, uint8_t h) {
      int8_t f, icons[NUMFLAKES][3];
    
      // Initialize 'snowflake' positions
      for(f=0; f< NUMFLAKES; f++) {
        icons[f][XPOS]   = random(1 - LOGO_WIDTH, display.width());
        icons[f][YPOS]   = -LOGO_HEIGHT;
        icons[f][DELTAY] = random(1, 6);
        Serial.print(F("x: "));
        Serial.print(icons[f][XPOS], DEC);
        Serial.print(F(" y: "));
        Serial.print(icons[f][YPOS], DEC);
        Serial.print(F(" dy: "));
        Serial.println(icons[f][DELTAY], DEC);
      }
    
      for(;;) { // Loop forever...
        display.clearDisplay(); // Clear the display buffer
    
        // Draw each snowflake:
        for(f=0; f< NUMFLAKES; f++) {
          display.drawBitmap(icons[f][XPOS], icons[f][YPOS], bitmap, w, h, SSD1306_WHITE);
        }
    
        display.display(); // Show the display buffer on the screen
        delay(200);        // Pause for 1/10 second
    
        // Then update coordinates of each flake...
        for(f=0; f< NUMFLAKES; f++) {
          icons[f][YPOS] += icons[f][DELTAY];
          // If snowflake is off the bottom of the screen...
          if (icons[f][YPOS] >= display.height()) {
            // Reinitialize to a random position, just off the top
            icons[f][XPOS]   = random(1 - LOGO_WIDTH, display.width());
            icons[f][YPOS]   = -LOGO_HEIGHT;
            icons[f][DELTAY] = random(1, 6);
          }
        }
      }
    }
    
    
    
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    三、实验现象

    B站演示视频:https://space.bilibili.com/444388619

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    联系作者

    视频地址:https://space.bilibili.com/444388619/video
    专注于51单片机、STM32、国产32、DSP、Proteus、arduino、ESP32、物联网软件开发,PCB设计,视频分享,技术交流。

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  • 原文地址:https://blog.csdn.net/Hello_Muyi/article/details/134238519