int value;

void setup() 
{
  Serial.begin(9600);
}

void loop() 
{
  value = analogRead(A0);
  int SSDVal=map(value,0,1023,0,9);
  Display_in_SSD(SSDVal);

}



void Display_in_SSD(int Num)
{
  switch (Num) 
  {
  case 0:// Display "0"
    PORTD = B11111000 ;
    PORTB = B00000001 ;
    break;

  case 1:// Display "1"
    PORTD = B00110000 ;
    PORTB = B00000000 ;
    break;

   case 2:// Display "2"
    PORTD = B11011000 ;
    PORTB = B00000010 ;
    break;

  case 3:// Display "3"
    PORTD = B01111000 ;
    PORTB = B00000010 ;
    break;

  case 4:// Display "4"
    PORTD = B00110000 ;
    PORTB = B00000011 ;
    break;

  case 5:// Display "5"
    PORTD = B01101000 ;
    PORTB = B00000011 ;
    break; 

    case 6:// Display "6"
    PORTD = B11101000 ;
    PORTB = B00000011 ;
    break;

    case 7:// Display "7"
    PORTD = B00111000 ;
    PORTB = B00000000 ;
    break;

    case 8:// Display "8"
    PORTD = B11111000 ;
    PORTB = B00000011 ;
    break;

    case 9:// Display "9"
    PORTD = B01111000 ;
    PORTB = B00000011 ;
    break;

    case 10:// Display "10"
    PORTD = B00000000 ;
    PORTB = B00000100 ;
    break;



  default: // if non of above
    PORTD = B11001000 ;
    PORTB = B00000011 ; 
    break;
  }

}