/*

*/

// set up a variable for the switch case
byte var = 1;  setup and per loads 1 because I never wanted to be equal to zero

// the setup function runs once when you press reset or power the board
void setup() {

 //next part is to set up and  declare all the pins and tell you what they're attached to
  pinMode(13, OUTPUT);  // clk pin
  pinMode(11, OUTPUT);  // data pin
  pinMode(2, OUTPUT);  // on the negative cathode of 16 sagmint  one
  pinMode(3, OUTPUT);  //  on the negative cathode of 16 sagmint  two
  pinMode(4, OUTPUT); //  on the negative cathode of 16 sagmint  3
  pinMode(5, OUTPUT); //  on the negative cathode of 16 sagmint  4
  pinMode(6, OUTPUT); //  on the negative cathode of 16 sagmint  5
  pinMode(7, OUTPUT); // 16 sagmint 6

  // this is to set the clk to low if you don't do this it takes a shit
  digitalWrite(13, LOW);  // this has to be here for the 74164
}

// the loop function runs over and over again forever
void loop() {

// this parts to run the switch case
var++;
if (var == 7){
  var = 1;
  }

switch (var) {
    case 1:  // this loads the 47164s with data
     shiftOut(11, 13, LSBFIRST, B11110000);
     shiftOut(11, 13, LSBFIRST, B00000000);
     // this sets wich 16 sag to use
     digitalWrite(2, HIGH);
     digitalWrite(3, HIGH);
     digitalWrite(4, HIGH);
     digitalWrite(5, HIGH);
     digitalWrite(6, HIGH);
     digitalWrite(7, LOW);

      break;
    case 2:
 shiftOut(11, 13, LSBFIRST, B11111111);
 shiftOut(11, 13, LSBFIRST, B00000000);

     digitalWrite(2, HIGH);
     digitalWrite(3, HIGH);
     digitalWrite(4, HIGH);
     digitalWrite(5, HIGH);
     digitalWrite(6, LOW);
     digitalWrite(7, HIGH);
      break;
          case 3:
 shiftOut(11, 13, LSBFIRST, B00001100);
 shiftOut(11, 13, LSBFIRST, B00010001);
     digitalWrite(2, HIGH);
     digitalWrite(3, HIGH);
     digitalWrite(4, HIGH);
     digitalWrite(5, LOW);
     digitalWrite(6, HIGH);
     digitalWrite(7, HIGH);
      break;
          case 4:
 shiftOut(11, 13, LSBFIRST, B11100001);
 shiftOut(11, 13, LSBFIRST, B10000000);
     digitalWrite(2, HIGH);
     digitalWrite(3, HIGH);
     digitalWrite(4, LOW);
     digitalWrite(5, HIGH);
     digitalWrite(6, HIGH);
     digitalWrite(7, HIGH);
      break;
          case 5:
 shiftOut(11, 13, LSBFIRST, B00000000);
 shiftOut(11, 13, LSBFIRST, B00000000);
     digitalWrite(2, HIGH);
     digitalWrite(3, LOW);
     digitalWrite(4, HIGH);
     digitalWrite(5, HIGH);
     digitalWrite(6, HIGH);
     digitalWrite(7, HIGH);

      break;
          case 6:
     shiftOut(11, 13, LSBFIRST, B11111100);
     shiftOut(11, 13, LSBFIRST, B00000000);
     digitalWrite(2, LOW);
     digitalWrite(3, HIGH);
     digitalWrite(4, HIGH);
     digitalWrite(5, HIGH);
     digitalWrite(6, HIGH);
     digitalWrite(7, HIGH);
      break;

    default:

    break;
}

     digitalWrite(2, HIGH);
     digitalWrite(3, HIGH);
     digitalWrite(4, HIGH);
     digitalWrite(5, HIGH);
     digitalWrite(6, HIGH);
     digitalWrite(7, HIGH);
 shiftOut(11, 13, LSBFIRST, B00000000);
 shiftOut(11, 13, LSBFIRST, B00000000);

}