from machine import Pin
import time

# Verkeerslichten

vl1_rood = Pin(25, Pin.OUT)    
vl1_oranje = Pin(26, Pin.OUT)  
vl1_groen = Pin(27, Pin.OUT)   

vl2_rood = Pin(21, Pin.OUT)      
vl2_oranje = Pin(19, Pin.OUT)    
vl2_groen = Pin(16, Pin.OUT)   

# initialisatie
vl1_rood.value(1) 
vl2_rood.value(1)
print("Start sturing kruispunt")  

 
''' states
R1   1   0   0   1   1   1   (1)
O1   0   0   1   0   0   0   (0)
G1   0   1   0   0   0   0   (0)

R2   1   1   1   1   0   0   (1)
O2   0   0   0   0   0   1   (0)
G2   0   0   0   0   1   0   (0) 

Sta  0   1   2   3   4   5   6=0) 
'''

# Hoofdloop
while True:
    #Sta  0
    vl2_oranje.value(0) 
    vl2_rood.value(1)
    time.sleep(2)
    #Sta  1
    vl1_rood.value(0)
    vl1_groen.value(1) 
    time.sleep(2)
    #Sta  2
    vl1_groen.value(0)  
    vl1_oranje.value(1)  
    time.sleep(2)
    #Sta  3
    vl1_oranje.value(0)    
    vl1_rood.value(1)         
    time.sleep(2)
    #Sta  4
    vl2_rood.value(0)
    vl2_groen.value(1) 
    time.sleep(2) 
    #Sta  5
    vl2_groen.value(0)   
    vl2_oranje.value(1) 
    time.sleep(2)
time.sleep(20)