#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,16,2);

const int motor =3;
const int swein=4;
const int swaus=5;
const int ledred=6;
const int ledblue=7;
const int rgbred=9;
const int rgbgreen=10;
const int rgbblue=11;

const int Motor_Aus=0;
const int Motor_Ein=1;
const int Sw_Off=1;
const int Sw_On=0;

int status = Motor_Aus;

int adc=0;
int pwm=0;
int proz=0;



void setup() {
pinMode(swein, INPUT_PULLUP);
pinMode(swaus, INPUT_PULLUP);
pinMode(ledred, OUTPUT);
pinMode(ledblue, OUTPUT);
pinMode(rgbred, OUTPUT);
pinMode(rgbgreen, OUTPUT);
pinMode(rgbblue, OUTPUT);

lcd.init();
lcd.backlight();
lcd.setCursor(5,0);
lcd.print("Motor");
lcd.setCursor(5,1);
lcd.print("Berat");
delay(5000);
lcd.clear();
}

void loop() {
  if(digitalRead(swein)==Sw_On) status =Motor_Ein;

  if (status ==Motor_Ein)
  {
  lcd.setCursor(0,0);
  lcd.print("Status ein");
  digitalWrite(ledred,1);
  digitalWrite(ledblue,0);
  
  adc=  analogRead(A0);
  pwm=  map(adc,0,1023,0,255);
  proz= map(pwm,0,255,0,100);

  lcd.setCursor(0,1);
  lcd.print("Drehzahl: ");
  lcd.print(proz);
  lcd.print("%  ");

  calcRgb(proz);
  }
  if (digitalRead(swaus)==Sw_On) status= Motor_Aus;
  if (status==Motor_Aus)

  {
    lcd.setCursor(0,0);
    lcd.print("Status aus");
    digitalWrite(ledred,0);
    digitalWrite(ledblue,1);
    digitalWrite(rgbred,1);
    digitalWrite(rgbgreen,1);
    digitalWrite(rgbblue,1); 
    adc  =0;
    pwm  =0;
    proz =0;

  calcRgb(proz);
  lcd.setCursor(0,1);
  lcd.print("                ");

  }
  analogWrite(motor,pwm);
  
 }
 void calcRgb(int prozVal)
 {
 if((prozVal>=0) && (prozVal<50))setRgb(0,0,1);
 if((prozVal>=51) && (prozVal<70))setRgb(0,1,0);
 if((prozVal>=71) && (prozVal<100))setRgb(1,0,0); 
 }
 void setRgb(int valR, int valG, int valB)
 {
  digitalWrite(rgbred,!valR);
  digitalWrite(rgbgreen,!valG);
  digitalWrite(rgbblue,!valB);
 }