#define ROT1 2
#define ROT2 4
#define ROT3 6

#define GRUEN1 3
#define GRUEN2 5
#define GRUEN3 7

#define ZEILE1 9
#define ZEILE2 10
#define ZEILE3 11

int Taster1 = 12;
int Taster2 = 13;
int currentState1 = LOW;
int currentState2 = LOW;
int previousState1 = LOW;
int previousState2 = LOW;

int X = 1;
int Y = 1;


void setup() {
   for (int i=2; i <= 7; i++){
     pinMode ( i , OUTPUT);
     digitalWrite ( i , HIGH );      //definiere alle Pins von 3 bis 7 als Ausgang und setze sie  HIGH (Aus)
   }
   for (int i=9; i <= 11; i++){
     pinMode ( i , OUTPUT);
     digitalWrite ( i , LOW );      //definiere alle Pins von 9 bis 11 als Ausgang und setze sie als LOW (Aus)
   }
   pinMode ( Taster1 , INPUT);
   pinMode ( Taster2 , INPUT);

   Serial.begin(1200);
}

void loop() {

  previousState1 = currentState1;
  previousState2 = currentState2;
  currentState1 = digitalRead(Taster1);
  currentState2 = digitalRead(Taster2);

  if (currentState1 == HIGH && previousState1 == LOW ){
    X = X + 1;
    if (X > 3){
      X = 1;
    }
  }

  if (currentState2 == HIGH && previousState2 == LOW ){
    Y = Y + 1;
    if (Y > 3){
      Y = 1;
    }
  }



  setLED( X , Y );


}

void setLED(int Xachse, int Yachse) {

  for (int i=3; i <= 7; i++){
     digitalWrite ( i , HIGH );
   }
   for (int i=9; i <= 11; i++){
     digitalWrite ( i , LOW );
  }

  if (Xachse == 1){
    digitalWrite( ROT1, LOW);
    digitalWrite( ROT2, HIGH);
    digitalWrite( ROT3, HIGH);
  }
  if (Xachse == 2){
    digitalWrite( ROT1, HIGH);
    digitalWrite( ROT2, LOW);
    digitalWrite( ROT3, HIGH);
  }
  if (Xachse == 3){
    digitalWrite( ROT1, HIGH);
    digitalWrite( ROT2, HIGH);
    digitalWrite( ROT3, LOW);
  }
  if (Yachse == 1){
    digitalWrite( ZEILE1, HIGH);
    digitalWrite( ZEILE2, LOW);
    digitalWrite( ZEILE3, LOW);
  }
  if (Yachse == 2){
    digitalWrite( ZEILE1, LOW);
    digitalWrite( ZEILE2, HIGH);
    digitalWrite( ZEILE3, LOW);
  }
  if (Yachse == 3){
    digitalWrite( ZEILE1, LOW);
    digitalWrite( ZEILE2, LOW);
    digitalWrite( ZEILE3, HIGH);
  }

delay(10);
}