cycling 8 LEDs

gistfile1.txt

int ledPins[] = {2,3,4,5,6,7,8,9};
int duration = 100;
int inLeft[] = {0, 8, 1};
int inRight[] = {7, -1, -1};

void setup() {                
  // This is weird, inRight only works if I do this
  Serial.begin(9600);
  // initialize the digital pins as an output.
  for (int i = 0 ; i < 8; i++) { 
    pinMode(ledPins[i], OUTPUT);
  }
}

void loop() {
  for (int j = 0 ; j < 5; j++) {
    seq(inLeft, HIGH);
    seq(inRight, LOW);
  }
  for (int j = 0 ; j < 5; j++) {
    seq(inLeft, HIGH);
    seq(inLeft, LOW);
  }
  for (int j = 0 ; j < 5; j++) {
    seq(inRight, HIGH);
    seq(inLeft, LOW);
  }
  for (int j = 0 ; j < 5; j++) {
    seq(inRight, HIGH);
    seq(inRight, LOW);
  }
}

void seq(int param[], boolean power) {
  for (int i = param[0]; i != param[1]; i += param[2]) {
    digitalWrite(ledPins[i], power);
    delay(duration);
  }
}