//
// Connect a small DC motor to pins P1.0 and P1.1
// Every second, this program will reverse the motor direction.
//
void
setup( void )
{
  P1DIR = 0b11;
  P1OUT = 1;      // P1.0 is at +3.3 volts, P1.1 is at 0 volts
}

void
loop( void )
{
  P1OUT ^= 0b11;  // Switch the state of the two lowest pins
  delay( 1000 );
}