import Adafruit_PCA9685 as ServoLib
import sys

pwm = ServoLib.PCA9685()
pwm.set_pwm_freq(60)


def left():
    pwm.set_pwm(0, 0, 261)


def right():
    pwm.set_pwm(0, 0, 479)


def reset():
    pwm.set_pwm(0, 0, 370)


if __name__ == '__main__':
    args = sys.argv
    if 'left' in args:
        left()
    elif 'right' in args:
        right()
    else:
        reset()