// by Nissanka MD Weerasinghe SLCOTM

void setup() {
 for(int i = 2; i<9;i++)
 {
  pinMode(i, OUTPUT);
  //digitalWrite(i, HIGH);
  //delay(200);
 }

 //delay(1500);
/*
  for(int i = 2; i<9;i++)
 {

  digitalWrite(i, 0);
 }

*/


}

void loop() {
SSD0();
delay(1000);

SSD1();
delay(1000);

SSD2();
delay(1000);

SSD3();
delay(1000);

SSD4();
delay(1000);

SSD5();
delay(1000);

SSD6();
delay(1000);

SSD7();
delay(1000);

SSD8();
delay(1000);

SSD9();
delay(1000);



/*


*/
}

void clear()
{
    //erase display (turn off All segments)
  for(int i = 2; i<9;i++) digitalWrite(i, 0);
  //delay(1000);
}

void All()
{
  for(int i = 2; i<9;i++)
 {

  digitalWrite(i, 1);
 }

}

void SSD0()   // Display 1
{

clear();
All();
digitalWrite(8,0);

}


void SSD1()   // Display 1
{

clear();


  digitalWrite(3,1);
  digitalWrite(4,1);

}

void SSD2()   // Display 2
{

clear(); 
All();
digitalWrite(4,0);
digitalWrite(7,0);

}


void SSD3()
{

clear(); 
All();
digitalWrite(6,0);
digitalWrite(7,0);

}

void SSD4()
{

clear(); 
All();
digitalWrite(2,0);
digitalWrite(5,0);
digitalWrite(6,0);

}

void SSD5()
{

clear(); 
All();
digitalWrite(3,0);
digitalWrite(6,0);

}

void SSD6()
{

clear(); 
All();
digitalWrite(3,0);

}

void SSD7()
{

clear(); 
digitalWrite(2,1);
digitalWrite(3,1);
digitalWrite(4,1);

}

void SSD8()
{

clear(); 
All();

}

void SSD9()
{

clear(); 
All();
digitalWrite(6,0);

}