oled 또다른 라이브러리를 넣어봤다.

라이브러리는 Adafruit 에서 만든 것인다.

 

참고 사이트 : https://learn.adafruit.com/monochrome-oled-breakouts/wiring-128x64-oleds

 

먼저 라이브러리를 설치 해야 한다. 라이브러리는 2가지를 설치 해야 한다.

 

Adafruit SSD1306 , Adafruit GFX Library

 

 

 

 

설치 완료후 다시 아두이노 실행하면 된다.

 

소스는 아래와 같다.

 

예제 소스와 동일 하기 때문에 예제 소스를 확인 해도 된다.

 

------------------------------  소스 --------------------------------------------

 

 

#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>

 

#define OLED_PCLK     D5
#define OLED_PDATA    D7
#define OLED_PRESET   D1
#define OLED_PCMD     D4
#define OLED_PCS     D8

 

Adafruit_SSD1306 display(OLED_PDATA, OLED_PCLK, OLED_PCMD, OLED_PRESET, OLED_PCS);   //MOSI, CLK, DC, RESET, CS

 

#define SSD1306_LCDHEIGHT  64
#define NUMFLAKES 10
#define XPOS 0
#define YPOS 1
#define DELTAY 2
  
#define LOGO16_GLCD_HEIGHT 16 
#define LOGO16_GLCD_WIDTH  16 
static const unsigned char PROGMEM logo16_glcd_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 };
  
#if (SSD1306_LCDHEIGHT != 64)
#error("Height incorrect, please fix Adafruit_SSD1306.h!");
#endif

 

void setup() {

  Serial.begin(115200);
  delay(10);
 
  Serial.println("Start..");

 

  // by default, we'll generate the high voltage from the 3.3v line internally! (neat!)
  display.begin(SSD1306_SWITCHCAPVCC);
  // init done
 
  // Show image buffer on the display hardware.
  // Since the buffer is intialized with an Adafruit splashscreen
  // internally, this will display the splashscreen.
  display.display();
  delay(2000);

 

  // Clear the buffer.
  display.clearDisplay();

 

  // draw a single pixel
  display.drawPixel(10, 10, WHITE);
  // Show the display buffer on the hardware.
  // NOTE: You _must_ call display after making any drawing commands
  // to make them visible on the display hardware!
  display.display();
  delay(2000);

  display.clearDisplay();

 

  // draw many lines
  testdrawline();
  display.display();
  delay(2000);
  display.clearDisplay();

 

  // draw rectangles


  testdrawrect();
  display.display();
  delay(2000);
  display.clearDisplay();

 

  // draw multiple rectangles


  testfillrect();
  display.display();
  delay(2000);
  display.clearDisplay();

 

  // draw mulitple circles


  testdrawcircle();
  display.display();
  delay(2000);
  display.clearDisplay();

 

  // draw a white circle, 10 pixel radius


  display.fillCircle(display.width()/2, display.height()/2, 10, WHITE);
  display.display();
  delay(2000);
  display.clearDisplay();

  testdrawroundrect();
  delay(2000);
  display.clearDisplay();

  testfillroundrect();
  delay(2000);
  display.clearDisplay();

  testdrawtriangle();
  delay(2000);
  display.clearDisplay();
  
  testfilltriangle();
  delay(2000);
  display.clearDisplay();

 

  // draw the first ~12 characters in the font


  testdrawchar();
  display.display();
  delay(2000);
  display.clearDisplay();

 

  // draw scrolling text


  testscrolltext();
  delay(2000);
  display.clearDisplay();

 

  // text display tests


  display.setTextSize(1);
  display.setTextColor(WHITE);
  display.setCursor(0,0);
  display.println("Hello, world!");
  display.setTextColor(BLACK, WHITE); // 'inverted' text
  display.println(3.141592);
  display.setTextSize(2);
  display.setTextColor(WHITE);
  display.print("0x"); display.println(0xDEADBEEF, HEX);
  display.display();
  delay(2000);
  display.clearDisplay();

 

  // miniature bitmap display


  display.drawBitmap(30, 16,  logo16_glcd_bmp, 16, 16, 1);
  display.display();

 

  // invert the display


  display.invertDisplay(true);
  delay(1000);
  display.invertDisplay(false);
  delay(1000);
  display.clearDisplay();

 

  // draw a bitmap icon and 'animate' movement


  testdrawbitmap(logo16_glcd_bmp, LOGO16_GLCD_HEIGHT, LOGO16_GLCD_WIDTH);

}

 

void testdrawbitmap(const uint8_t *bitmap, uint8_t w, uint8_t h) {
  uint8_t icons[NUMFLAKES][3];
 
  // initialize
  for (uint8_t f=0; f< NUMFLAKES; f++) {
    icons[f][XPOS] = random(display.width());
    icons[f][YPOS] = 0;
    icons[f][DELTAY] = random(5) + 1;
   
    Serial.print("x: ");
    Serial.print(icons[f][XPOS], DEC);
    Serial.print(" y: ");
    Serial.print(icons[f][YPOS], DEC);
    Serial.print(" dy: ");
    Serial.println(icons[f][DELTAY], DEC);
  }

  while (1) {
    // draw each icon
    for (uint8_t f=0; f< NUMFLAKES; f++) {
      display.drawBitmap(icons[f][XPOS], icons[f][YPOS], bitmap, w, h, WHITE);
    }
    display.display();
    delay(200);
   
    // then erase it + move it
    for (uint8_t f=0; f< NUMFLAKES; f++) {
      display.drawBitmap(icons[f][XPOS], icons[f][YPOS], bitmap, w, h, BLACK);
      // move it
      icons[f][YPOS] += icons[f][DELTAY];
      // if its gone, reinit
      if (icons[f][YPOS] > display.height()) {
        icons[f][XPOS] = random(display.width());
        icons[f][YPOS] = 0;
        icons[f][DELTAY] = random(5) + 1;
      }
    }
   }
}


void testdrawchar(void) {
  display.setTextSize(1);
  display.setTextColor(WHITE);
  display.setCursor(0,0);

  for (uint8_t i=0; i < 168; i++) {
    if (i == '\n') continue;
    display.write(i);
    if ((i > 0) && (i % 21 == 0))
      display.println();
  }   
  display.display();
}

void testdrawcircle(void) {
  for (int16_t i=0; i<display.height(); i+=2) {
    display.drawCircle(display.width()/2, display.height()/2, i, WHITE);
    display.display();
  }
}

void testfillrect(void) {
  uint8_t color = 1;
  for (int16_t i=0; i<display.height()/2; i+=3) {
    // alternate colors
    display.fillRect(i, i, display.width()-i*2, display.height()-i*2, color%2);
    display.display();
    color++;
  }
}

void testdrawtriangle(void) {
  for (int16_t i=0; i<min(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, WHITE);
    display.display();
  }
}

void testfilltriangle(void) {
  uint8_t color = WHITE;
  for (int16_t i=min(display.width(),display.height())/2; i>0; i-=5) {
    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, WHITE);
    if (color == WHITE) color = BLACK;
    else color = WHITE;
    display.display();
  }
}

void testdrawroundrect(void) {
  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, WHITE);
    display.display();
  }
}

void testfillroundrect(void) {
  uint8_t color = WHITE;
  for (int16_t i=0; i<display.height()/2-2; i+=2) {
    display.fillRoundRect(i, i, display.width()-2*i, display.height()-2*i, display.height()/4, color);
    if (color == WHITE) color = BLACK;
    else color = WHITE;
    display.display();
  }
}
  
void testdrawrect(void) {
  for (int16_t i=0; i<display.height()/2; i+=2) {
    display.drawRect(i, i, display.width()-2*i, display.height()-2*i, WHITE);
    display.display();
  }
}

void testdrawline() { 
  for (int16_t i=0; i<display.width(); i+=4) {
    display.drawLine(0, 0, i, display.height()-1, WHITE);
    display.display();
  }
  for (int16_t i=0; i<display.height(); i+=4) {
    display.drawLine(0, 0, display.width()-1, i, WHITE);
    display.display();
  }
  delay(250);
 
  display.clearDisplay();
  for (int16_t i=0; i<display.width(); i+=4) {
    display.drawLine(0, display.height()-1, i, 0, WHITE);
    display.display();
  }
  for (int16_t i=display.height()-1; i>=0; i-=4) {
    display.drawLine(0, display.height()-1, display.width()-1, i, WHITE);
    display.display();
  }
  delay(250);
 
  display.clearDisplay();
  for (int16_t i=display.width()-1; i>=0; i-=4) {
    display.drawLine(display.width()-1, display.height()-1, i, 0, WHITE);
    display.display();
  }
  for (int16_t i=display.height()-1; i>=0; i-=4) {
    display.drawLine(display.width()-1, display.height()-1, 0, i, WHITE);
    display.display();
  }
  delay(250);

  display.clearDisplay();
  for (int16_t i=0; i<display.height(); i+=4) {
    display.drawLine(display.width()-1, 0, 0, i, WHITE);
    display.display();
  }
  for (int16_t i=0; i<display.width(); i+=4) {
    display.drawLine(display.width()-1, 0, i, display.height()-1, WHITE);
    display.display();
  }
  delay(250);
}

void testscrolltext(void) {
  display.setTextSize(2);
  display.setTextColor(WHITE);
  display.setCursor(10,0);
  display.clearDisplay();
  display.println("scroll");
  display.display();
 
  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();
}

 

 

----------------------------------------------------------------------------------

 

 

 

 

 

 

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