LED.py

import time
import os

import navio.Common.util

if navio.Common.util.get_navio_version() == "NAVIO2":
    import navio.Navio2.Led as Led
else:
    import navio.Navio.Led as Led


if os.getuid() != 0:
    print "Not root. Please, launch like this: sudo python LED.py"
    exit(-1)

navio.Common.util.check_apm()

led = Led()

led.setColor("Yellow")
print "LED is yellow"
time.sleep(1)

while True:

    led.setColor("Green")
    print "LED is green"
    time.sleep(1)

    led.setColor("Cyan")
    print "LED is cyan"
    time.sleep(1)

    led.setColor("Blue")
    print "LED is blue"
    time.sleep(1)

    led.setColor("Magenta")
    print "LED is magenta"
    time.sleep(1)

    led.setColor("Red")
    print "LED is red"
    time.sleep(1)

    led.setColor("Yellow")
    print "LED is yellow"
    time.sleep(1)