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

#define SCREEN_WIDTH 128 // OLED width,  in pixels
#define SCREEN_HEIGHT 64 // OLED height, in pixels

#define SDA_1 21  
#define SCL_1 22

#define SDA_2 4
#define SCL_2 15

// create an OLED display object connected to I2C
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);

Adafruit_SSD1306 display2(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire1, -1);

//// IMAGEN
static const unsigned char PROGMEM corazon[576] = {
  0x00, 0x01, 0xf8, 0x00, 0x00, 0x00, 0x7e, 0x00, 0x00,
  0x00, 0x1f, 0xff, 0x80, 0x00, 0x07, 0xff, 0xe0, 0x00,
  0x00, 0x7f, 0xff, 0xe0, 0x00, 0x1f, 0xff, 0xf8, 0x00,
  0x01, 0xff, 0xff, 0xf8, 0x00, 0x7f, 0xff, 0xfe, 0x00,
  0x03, 0xff, 0xff, 0xfc, 0x00, 0xff, 0xff, 0xff, 0x00,
  0x07, 0xff, 0xff, 0xfe, 0x01, 0xff, 0xff, 0xff, 0x80,
  0x0f, 0xff, 0xff, 0xff, 0x03, 0xff, 0xff, 0xff, 0xc0,
  0x1f, 0xff, 0xff, 0xff, 0x87, 0xff, 0xff, 0xff, 0xe0,
  0x1f, 0xff, 0xff, 0xff, 0xcf, 0xff, 0xff, 0xff, 0xe0,
  0x3f, 0xff, 0xff, 0xff, 0xcf, 0xff, 0xff, 0xff, 0xf0,
  0x3f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf0,
  0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8,
  0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8,
  0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8,
  0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8,
  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfc,
  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfc,
  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfc,
  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfc,
  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfc,
  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfc,
  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfc,
  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfc,
  0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8,
  0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8,
  0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8,
  0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8,
  0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8,
  0x3f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf0,
  0x3f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf0,
  0x3f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf0,
  0x1f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xe0,
  0x1f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xe0,
  0x0f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc0,
  0x0f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc0,
  0x07, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x80,
  0x03, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00,
  0x01, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x00,
  0x01, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x00,
  0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfc, 0x00,
  0x00, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00,
  0x00, 0x3f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf0, 0x00,
  0x00, 0x1f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x00,
  0x00, 0x0f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc0, 0x00,
  0x00, 0x07, 0xff, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00,
  0x00, 0x03, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00,
  0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xfc, 0x00, 0x00,
  0x00, 0x00, 0x7f, 0xff, 0xff, 0xff, 0xf8, 0x00, 0x00,
  0x00, 0x00, 0x3f, 0xff, 0xff, 0xff, 0xf0, 0x00, 0x00,
  0x00, 0x00, 0x1f, 0xff, 0xff, 0xff, 0xe0, 0x00, 0x00,
  0x00, 0x00, 0x0f, 0xff, 0xff, 0xff, 0xc0, 0x00, 0x00,
  0x00, 0x00, 0x07, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00,
  0x00, 0x00, 0x01, 0xff, 0xff, 0xfe, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0xff, 0xff, 0xfc, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x7f, 0xff, 0xf8, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x3f, 0xff, 0xf0, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x1f, 0xff, 0xe0, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x0f, 0xff, 0xc0, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x07, 0xff, 0x80, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x03, 0xff, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x01, 0xfe, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x78, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};



void setup() {
  Serial.begin(9600);
  Wire.begin(SDA_1, SCL_1); // no es necesario
  Wire1.begin(SDA_2, SCL_2);   
  
  // initialize OLED display with I2C address 0x3C
  if (!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
    Serial.println(F("failed to start SSD1306 OLED 1"));
    while (1);
  }
  
  // initialize OLED display2 with I2C address 0x3C
  if (!display2.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
    Serial.println(F("failed to start SSD1306 OLED 2"));
    while (1);
  }


  delay(2000);         // wait two seconds for initializing
  display.clearDisplay(); // clear display

  display.setTextSize(1);         // set text size
  display.setTextColor(WHITE);    // set text color
  display.setCursor(0, 0);
  // Display static text
  display.println("Hola a todos");
  display.display();

  display2.clearDisplay(); // clear display
  display2.setTextSize(2);         // set text size
  display2.setTextColor(WHITE);    // set text color
  display2.setCursor(0, 0);
  display2.println("--ANA--");
  display2.display();



  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);

  display.clearDisplay(); // clear display
  // Draw bitmap on the screen
  int ancho_img = 70;
  int alto_img = 64;

  display.drawBitmap(29, 0, corazon, ancho_img, alto_img, 1); //SSD1306_INVERSE
  display.display();
}

void loop() {


}