//code made by Adrián Torres
//Fab Academy 2020
//Fab Lab León
//ATtiny412 bridge

//code made by Adrián Torres
//Fab Academy 2020
//Fab Lab León
//ATtiny412 bridge
#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)
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);

int v=0; 
int nodeid=2; //Node Identification
int i=0;


void setup() {
Serial.begin(115200); //initialize serial communications

  if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
    Serial.println(F("SSD1306 allocation failed"));
    for(;;);
  }
  delay(3000);
  display.clearDisplay();
  display.setTextColor(WHITE);
}

void loop() {

 while (Serial.available () == 0 ) {} //while serial is 0 
  v = Serial.parseInt();
  Serial.println(v);
  
  if(v == nodeid)   //If the value of v equals the identification of the node
{
  delay(3000);

   //clear display
  display.clearDisplay();
  

  // display 
  display.setTextSize(3);
  display.setCursor(0,0);
  display.print("1+1");
   

  display.display(); 
   delay(3000);
}
else


   //clear display
  display.clearDisplay();
  

  // display 
  display.setTextSize(3);
  display.setCursor(0,0);
  display.print("=2");
   

  display.display(); 
}