【零知ESP8266教程】快速入门22 OLED模块的再探索

#include <SPI.h>

#include <Wire.h>

#include <Adafruit_GFX.h>

#include <Adafruit_SSD1306.h>

  

#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)

#define OLED_RESET     -1 // Reset pin # (or -1 if sharing Arduino reset pin)

Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);

  

#define NUMFLAKES     10 // Number of snowflakes in the animation example

  

#define **_HEIGHT   16

#define **_WIDTH    16

static const unsigned char PROGMEM **_bmp[] =

{ B00000000, B11000000,

  B00000001, B11000000,

  B00000001, B11000000,

  B00000011, B11100000,

  B11110011, B11100000,

  B11111110, B11111000,

  B01111110, B11111111,

  B00110011, B10011111,

  B00011111, B11111100,

  B00001101, B01110000,

  B00011011, B10100000,

  B00111111, B11100000,

  B00111111, B11110000,

  B01111100, B11110000,

  B01110000, B01110000,

  B00000000, B00110000 };

  

void setup() {

  Serial.begin(9600);//设置打印波特率

    

  Serial.println("SSD1306 i2c example");

  

  // SSD1306_SWITCHCAPVCC = generate display voltage from 3.3V internally

  if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3c)) { // Address 0x3D for 128x64

    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(2000); // Pause for 2 seconds

  

  // Clear the buffer

  display.clearDisplay();

  

  // Draw a single pixel in white

  display.drawPixel(10, 10, 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(**_bmp, **_WIDTH, **_HEIGHT); // Animate bitmaps

}

  

void loop() {

}