Arduino Uno 驱动OLED进阶 显示图片

Bymaturobot

看看示例实现效果哈

制作一张BMP图片


首先要有一张BMP图片

自己用windows自带的画版画了一张大气的 晴朗大山浮云图，保存为BMP格式。各位看官可自行创作

PS：我用的PS另存为的BMP图片无法在取模软件上读取，不解。

图片点阵取模
打开 字模提取V2.2 软件

字模提取V2.2

分享地址：http://pan.baidu.com/s/1i50UmxB

经过以上步骤 ，图片正确打开，会看到以下界面

接着点开取模方式，点击C51格式，就会看到点阵数组

在这里，注意宽度与高度，还有把点阵数组都复制了。

—

                        //显示图片程序
 
#include <SPI.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
 
#define OLED_RESET 4
Adafruit_SSD1306 display(OLED_RESET);
 
static const unsigned char PROGMEM logo[] =
{ 
    0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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    0x00,0x00,0x03,0xF8,0x7F,0xFF,0x80,0x06,0x00,0x18,0x00,0x07,0x00,0x00,0x00,0x00,
    0x00,0x00,0x07,0x80,0x00,0x00,0x40,0x0C,0x00,0x0C,0x00,0x06,0x00,0x00,0x00,0x00,
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    0x00,0x00,0xC0,0x00,0x00,0x00,0x18,0x43,0xFE,0x01,0xC0,0x00,0x00,0x00,0x00,0x00,
    0x00,0x00,0xFF,0xFF,0xFF,0xFF,0xFE,0x40,0x03,0xFF,0x60,0x00,0x00,0x00,0x00,0x00,
    0x00,0x03,0x00,0x00,0x00,0x00,0x02,0x40,0x00,0x00,0x30,0x00,0x00,0x00,0x00,0x00,
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    0x01,0x80,0x00,0x00,0x00,0x00,0x00,0x0C,0x00,0x0F,0xFE,0x18,0x00,0x00,0x00,0x00,
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    0x10,0x00,0x00,0x00,0x00,0x3F,0xFC,0x00,0xC1,0xFF,0xF0,0x00,0x08,0x00,0x00,0x00,
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};
  
#if (SSD1306_LCDHEIGHT != 64)
#error("Height incorrect, please fix Adafruit_SSD1306.h!");
#endif
 
void setup()   {                
  Serial.begin(9600);
  display.begin(SSD1306_SWITCHCAPVCC, 0x3C); 
  display.clearDisplay();
}
 
void loop() {
  display.drawBitmap(0, 0, logo, 128, 64, 1);  //在坐标X0，Y0的位置开始显示图片
                                               //128是取模软件显示的宽度
                                               //64是取模软件显示的高度
  display.display();                           //把缓存的都显示
  delay(1);
  
  display.clearDisplay();     //清除屏幕
}

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