# Stoplight (ver 3)

from machine import Pin, Timer
from time import sleep_ms

tim = Timer()
N = 0

def StopLight(pin1):
    global N
    N = (N + 1) % 6
    if(N == 0):
        tim.init(freq=1/5,mode=Timer.ONE_SHOT,callback=StopLight)
    if(N == 1):
        tim.init(freq=1/2,mode=Timer.ONE_SHOT,callback=StopLight)
    if(N == 2):
        tim.init(freq=1/2,mode=Timer.ONE_SHOT,callback=StopLight)
    if(N == 3):
        tim.init(freq=1/5,mode=Timer.ONE_SHOT,callback=StopLight)
    if(N == 4):
        tim.init(freq=1/2,mode=Timer.ONE_SHOT,callback=StopLight)
    if(N == 5):
        tim.init(freq=1/2,mode=Timer.ONE_SHOT,callback=StopLight)

time.init(freq=1/5,mode=Timer.ONE_SHOT,callback=StopLight)

Time = 0
while(1):
   print(Time, N)
   Time += 1
   speep_ms(1000)