Arduino Uno 驅動OLED進階 顯示圖片
阿新 • • 發佈:2019-02-02
用OLED實現圖片的顯示的具體實現方法
接線方法使用IIC方式,具體請參考入門篇
看看示例實現效果哈
製作一張BMP圖片
首先要有一張BMP圖片
自己用windows自帶的畫版畫了一張大氣的 晴朗大山浮雲圖,儲存為BMP格式。各位看官可自行創作
PS:我用的PS另存為的BMP圖片無法在取模軟體上讀取,不解。
圖片點陣取模
開啟 字模提取V2.2 軟體
字模提取V2.2
經過以上步驟 ,圖片正確開啟,會看到以下介面
接著點開取模方式,點選C51格式,就會看到點陣陣列
在這裡,注意寬度與高度,還有把點陣陣列都複製了。
開源程式程式碼:
//顯示圖片程式 #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, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x18,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x18,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x18,0x00,0x00,0x00,0x00, 0x00,0x00,0x01,0xFF,0x83,0xC0,0x00,0x00,0x00,0x02,0x00,0x18,0x00,0x00,0x00,0x00, 0x00,0x00,0x07,0x00,0xFC,0x40,0x00,0x00,0x00,0x03,0x00,0x18,0x00,0x00,0x00,0x00, 0x00,0x00,0x0C,0x07,0x10,0x20,0x00,0x00,0x00,0x01,0xC0,0x00,0x01,0x80,0x00,0x00, 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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }; #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); //在座標X0,Y0的位置開始顯示圖片 //128是取模軟體顯示的寬度 //64是取模軟體顯示的高度 display.display(); //把快取的都顯示 delay(1); display.clearDisplay(); //清除螢幕 }