/*
persönliche Anmerkung: der serial port scheint in diesem simulator einen bug zu haben. 
Test als validation:  deklariere eine float variable Bsp. int num=1022  und versuch Sie zu Serial.println(num);
 serial monitor output war nur: 1
*/

#include <LiquidCrystal_I2C.h>

#define I2C_ADDR    0x27
#define LCD_COLUMNS 20
#define LCD_LINES   4
float test = 3;
int readval=0;


LiquidCrystal_I2C lcd(I2C_ADDR, LCD_COLUMNS, LCD_LINES);

void setup() {
  // Init
  lcd.init();
  lcd.backlight();
  lcd.blink_on();

}

void phase1(){
// Phase 1 DIGITAL
  //pinmode definition
  pinMode(10, OUTPUT);
  pinMode(13,INPUT);

  // HIGH READING
  digitalWrite(10, HIGH);
  test = digitalRead(13);
  lcd.setCursor(0, 0);
  lcd.print("digitalpin 13: ");
  lcd.print(test);
  delay(1000);

  // LOW READING
  digitalWrite(10, LOW);
  test = digitalRead(13);
  lcd.setCursor(0, 0);
  lcd.print("digitalpin 13: ");
  lcd.print(test);
  delay(1000);
}

void phase2(){
  //Phase 2 DIGITAL
  //Pinmode definition
  pinMode(10, INPUT);
  pinMode(13,OUTPUT);
  // HIGH READING
  digitalWrite(13, HIGH);
  test = digitalRead(10);
  lcd.setCursor(0, 1);
  lcd.print("digitalpin 10: ");
  lcd.print(test);
  delay(1000);

  // LOW READING
  digitalWrite(13, LOW);
  test = digitalRead(10);
  lcd.setCursor(0, 1);
  lcd.print("digitalpin 10: ");
  lcd.print(test);
  delay(1000);

}


void loop() {
  
 phase1();
 phase2();
  

  //Phase 3 ANALOG
  //Pinmode definition
  pinMode(A1, INPUT);
  pinMode(A2,OUTPUT);

  // HIGH READING

  //testing line

 digitalWrite(13, HIGH);
  //testing line end
  analogWrite(A2, 255);
  readval = analogRead(A1);
  test=(5/1023) * readval;
  lcd.setCursor(0, 2);
  lcd.print("analogpin A1: ");
  lcd.println(readval);
  delay(1000);
  

 


  
}