/**********************************
*Project        : CoEIS Symposium – IoT contest
*Institution    : DeVry University
*Example        : OLED Display
*Program Purpose: Demonstrating OLED Display
*Date created   : 2024.06.11
**********************************/
// Include libraries needed for the OLED1306 Display. Make sure these libraries are included
// in Library Manager Tab Make sure you use the correct spelling 
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>

#define redLED 13 // creates a macro, which associates reLED with value 13

#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 64
#define OLED_RESET     4
#define SCREEN_ADDRESS 0x3C
#define studentName "T. Tzvetkov"
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);




void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  pinMode(redLED, OUTPUT); //configures a digital pin as an OUtPUT

  if (!display.begin(SSD1306_SWITCHCAPVCC, SCREEN_ADDRESS)) {
    Serial.println(F("SSD1306 allocation failed"));
    for (;;);
  }
  display.display();
  delay(2000);
  
  display.clearDisplay();
  display.setTextSize(1.8);
  display.setTextColor(SSD1306_WHITE);//The library has multiple color definitions. If only one color is used that is the text color. Background is transparent
  display.setCursor(0, 0);
  display.println(studentName);
  display.setCursor(0, 15);
  display.println("DeVry");
 
  display.setCursor(0, 30);
  display.println("Competition " );

}

void loop() {

  
  digitalWrite(redLED, HIGH); //Writes a value to the digital output
  display.setTextColor(WHITE, BLACK); //Use explicit background when writing over text. 
  display.setCursor(0, 45);
  display.println("Red LED ON       ");
  display.display();
  delay(1000);
  
  digitalWrite(redLED, LOW);
  display.setCursor(0, 45);
  display.println("Red LED           ");
  display.setTextColor(WHITE, BLACK);
  display.setCursor(0, 45);
  display.println("Red LED OFF       ");
  display.display();
  delay(1000); // this speeds up the simulation
}