Shift Register LED Test

/* Ron Hall
 * June 23, 2017
 * Shift Register (v1.0)
 */

const int SER = 8;
const int LATCH = 9;
const int CLK = 10;

int lightsp[9]={0,1,2,4,8,16,32,64,128};
int bar[17]={0,1,3,7,15,31,63,127,255};
int bar2[17]={127,63,31,15,7,3,1,0};


void setup()
{
  pinMode (SER, OUTPUT);
  pinMode (LATCH, OUTPUT);
  pinMode (CLK, OUTPUT);

  digitalWrite(LATCH, LOW);
  shiftOut(SER, CLK, MSBFIRST, B00000000);
  digitalWrite(LATCH, HIGH);
  delay(200);
  digitalWrite(LATCH, LOW);
  shiftOut(SER, CLK, MSBFIRST, B11111111);
  digitalWrite(LATCH, HIGH);
}

void loop()
{
 for (int i= 0; i <9;i++)
 {
    digitalWrite(LATCH, LOW);
  shiftOut (SER, CLK, MSBFIRST, lightsp[i]);
  digitalWrite(LATCH, HIGH);
  delay(100);
 }
 for (int j= 0; j <9;j++)
 {
    digitalWrite(LATCH, LOW);
  shiftOut (SER, CLK, MSBFIRST, bar[j]);
  digitalWrite(LATCH, HIGH);
  delay(100);
 }
 for (int k= 0; k <9;k++)
 {
    digitalWrite(LATCH, LOW);
  shiftOut (SER, CLK, MSBFIRST, bar2[k]);
  digitalWrite(LATCH, HIGH);
  delay(100);
 }

}