#include <Arduino.h>
#include <avr/io.h>
#include <math.h>
 
const int temperaturSensorPin = A0; 
int temperatur = 0;
int readTemperatur=0;
  

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<<0);
DDRB |= (1<<1);
DDRB |= (1<<2);
DDRB |= (1<<3);
DDRB |= (1<<4);
DDRB |= (1<<5);
DDRB |= (1<<6);
DDRB |= (1<<7);

ADMUX = 0;
ADMUX &= ~(1<<MUX0);
ADCSRA |=(1<<ADEN)|(1<<ADSC); 
//PINB |=(1<<0);
 
}

 int ce; //Counter EinerZiffern
 int cz; //Counter Zehnerziffern
 int ch; //Counter HunderterZiffern
 int ct; //Counter TausenderZiffern

int main() {
  setup();
  
  _delay_ms(600);
  double array[10]={0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,0x6F};
 
  while (1){
  

  int readTemperatur = analogRead(temperaturSensorPin);
  int temperatur = readTemperatur / 100; 
  
  ADCSRA |= (1<<ADCH);
  ce= temperatur;
  PORTD = array[ce];
  PORTB&=~(1<<0);
  _delay_ms(10);
  PORTB|=(1<<0);
  
  ADCSRA |= (1<<ADCH);
  cz= temperatur;
  PORTD = array[cz];
  PORTB&=~(1<<1);
  _delay_ms(10);
  PORTB|=(1<<1);

  ADCSRA |= (1<<ADCH);  
  ch= temperatur;
  PORTD = array[ch];
  PORTB&=~(1<<2);
  _delay_ms(10);
  PORTB|=(1<<2);

  ADCSRA |= (1<<ADCH);  
  ct= temperatur;
  PORTD = array[ct];
  PORTB&=~(1<<3);
  _delay_ms(10);
  PORTB|=(1<<3);
               }}