//
// This program moves five lights from left to right, in such a way that if the
// LEDs are arranged in a circle, it looks like the train is moving around it clockwise.
// The 14 LEDs are connected to P1.0 through P1.7 and P2.0 through P2.5.
//

unsigned long int train = 0b11111;
int train_length = 5;
int how_many_p1_lights = 8;
int how_many_p2_lights = 6;
int total_lights = 8 + 6;
int x = 0;

void
setup()
{                
  P1DIR = 0b11111111;
  P2DIR = 0b111111;
}
 
void
loop()
{
  train <<= 1;
  train = train | (train >> total_lights);
  P1OUT = train >> train_length;
  P2OUT = train >> (train_length + how_many_p1_lights);
  delay( 50 );
}