#include <avr/io.h>
#include <util/delay.h>


// Definition der Pinbelegung
const byte SEGMENT_A = 2;
const byte SEGMENT_B = 3;
const byte SEGMENT_C = 4;
const byte SEGMENT_D = 5;
const byte SEGMENT_E = 6;
const byte SEGMENT_F = 7;
const byte SEGMENT_G = 8;
int e = 0;
int numberToDisplay = 0;
int displayNumber = 0;
// Definition der Segmentmuster für die Ziffern 0-9
const byte digitPatterns[10] = {
  B11111100, // 0
  B01100000, // 1
  B11011010, // 2
  B11110010, // 3
  B01100110, // 4
  B10110110, // 5
  B10111110, // 6
  B11100000, // 7
  B11111110, // 8
  B11110110  // 9
};


void setup() {
  DDRD |= (1 << 0);
  DDRD |= (1 << 1);
  DDRD |= (1 << 2); 
  DDRD |= (1 << 3);
  DDRD |= (1 << 4);
  DDRD |= (1 << 5);
  DDRD |= (1 << 6);
  DDRD |= (1 << 7);

  DDRB &=~ (1 << 2); 

  
  
  pinMode(SEGMENT_A, OUTPUT);
  pinMode(SEGMENT_B, OUTPUT);
  pinMode(SEGMENT_C, OUTPUT);
  pinMode(SEGMENT_D, OUTPUT);
  pinMode(SEGMENT_E, OUTPUT);
  pinMode(SEGMENT_F, OUTPUT);
  pinMode(SEGMENT_G, OUTPUT);

}

void loop() {
 void displayNumber(int number) {
  // Setze die Pins entsprechend des Segmentmusters für die Ziffer
  digitalWrite(SEGMENT_A, bitRead(digitPatterns[number], 0));
  digitalWrite(SEGMENT_B, bitRead(digitPatterns[number], 1));
  digitalWrite(SEGMENT_C, bitRead(digitPatterns[number], 2));
  digitalWrite(SEGMENT_D, bitRead(digitPatterns[number], 3));
  digitalWrite(SEGMENT_E, bitRead(digitPatterns[number], 4));
  digitalWrite(SEGMENT_F, bitRead(digitPatterns[number], 5));
  digitalWrite(SEGMENT_G, bitRead(digitPatterns[number], 6));
 } 
 // Anzeige der Ziffern 0-9

  for (numberToDisplay = 0; numberToDisplay < 10; numberToDisplay++) {
    displayNumber(numberToDisplay);
    delay(1000); // Eine Sekunde anzeigen
  }
}


}