Flash the LED on a Dynamixel servo

flash_dynamixel_led.py

#!/usr/bin/env python

import time
import optparse
import dynamixel

if __name__ == "__main__":
    parser = optparse.OptionParser()
    parser.add_option("-p", "--port",                      help="Serial port", default="/dev/tty.usbserial-A9ITPZVR")
    parser.add_option("-b", "--baud",                      help="Baud rate",   default="1000000")
    parser.add_option("-i", "--servo-id", dest="servo_id", help="Servo ID",    default="1")
    (options, args) = parser.parse_args()

    serial = dynamixel.SerialStream(port=options.port, baudrate=options.baud, timeout=1)
    network = dynamixel.DynamixelNetwork(serial)
    servo = dynamixel.Dynamixel(int(options.servo_id), network)

    try:
        while True:
            servo.led = not servo.led
            time.sleep(0.25)

    except KeyboardInterrupt:
        servo.led = False