//Projektname: Eier Uhr Teil 2
//Name: Michael Lackner
//Datum: 18.03.2025
 
//Bibliotheken
#include <LiquidCrystal_I2C.h>;

#define I2C_ADDR
#define LCD_COLUMNS 20
#define LCD_LINES 4
 //Konstanten
const int pot = A0;
const int btn = 2;
const int led = 13;
const int buz = 9;
LiquidCrystal_I2C lcd(I2C_ADDR, LCD_COLUMNS, LCD_LINES);
int t = 0;
bool running = false;
 
void setup() {
  pinMode(pot, INPUT);
  pinMode(btn, INPUT);
  pinMode(led, OUTPUT);
  pinMode(buz, OUTPUT);
  Serial.begin(9600);
  lcd.init();
  lcd.backlight();
  lcd.setCursor(6, 0);
  lcd.print("Einstellen");

}
 
void loop() {
  int b = digitalRead(btn);
  if (!running) {
    if (b == LOW) {
      t = map(analogRead(pot), 0, 1023, 0, 900);
      int m = t / 60;
      int s = t % 60;
      Serial.print("Kochzeit: ");
 
      if (m < 10) Serial.print("0");
      Serial.print(m);
      Serial.print(":");
 
      if (s < 10) Serial.print("0");
      Serial.println(s);
      delay(200);
    }
    if (b == HIGH) {
      running = true;
      Serial.println("Countdown startet!");
    }
  } else {
    if (t > 0) {
      delay(1000);
      t--;
      int m = t / 60;
      int s = t % 60;
      Serial.print("Kochzeit: ");
 
      if (m < 10) Serial.print("0");
      Serial.print(m);
      Serial.print(":");
 
      if (s < 10) Serial.print("0");
      Serial.println(s);
     
    } else {
      for (int i = 0; i < 5; i++) {
        digitalWrite(led, HIGH);
        delay(200);
        digitalWrite(led, LOW);
        delay(200);
      }
      tone(buz, 1000, 500);
      delay(1000);
      Serial.println("Dein Ei ist fertig!");
      while (true) { }
    }
  }
  lcd.setCursor(6, 1);
  lcd.print();

}