### EVENT BUTTON FORWARD ###
onevent button.forward
# starts line tracking and waits for sync bit
if button.forward == 1 then
    running = 1
    state = S_WAIT_SYNC
end

### EVENT BUTTON CENTER ###
onevent button.center
#stops running and motors, turns LEDs off
if  button.center == 1 then
    running = 0
    motor.left.target = 0
    motor.right.target = 0
    call leds.top(0,0,0)
end