#
from machine import Pin 

import time 

 ####################################Test LEDs#################################################

# push_button = Pin(14, Pin.IN, Pin.PULL_DOWN) 

 

# green_led = Pin(20, Pin.OUT) 

# yellow_led = Pin(19, Pin.OUT) 

# red_led = Pin(18, Pin.OUT) 

 

# green_led.off() 

# yellow_led.off() 

# red_led.off() 

 

# while True: 

#     print("Toggling green LED on…") 

#     green_led.on() 

#     yellow_led.off() 

#     red_led.off() 

#     time.sleep(2) 

#     print("Toggling yellow LED on…") 

#     green_led.off() 

#     yellow_led.on() 

#     red_led.off() 

#     time.sleep(2) 

#     print("Toggling red LED on…") 

#     green_led.off() 

#     yellow_led.off() 

#     red_led.on() 

#     time.sleep(2) 
####################################Duck is crossing########################
push_button = Pin(14, Pin.IN, Pin.PULL_DOWN) 

 

push_button = Pin(14, Pin.IN, Pin.PULL_DOWN) 

 

green_led = Pin(20, Pin.OUT) 

yellow_led = Pin(19, Pin.OUT) 

red_led = Pin(18, Pin.OUT) 

 

DUCK_IS_CROSSING = False 

 

def push_button_interrupt_handler(pin): 

    print("Duck-Crossing Interrupt Detected!") 

    global DUCK_IS_CROSSING 

    DUCK_IS_CROSSING = True 

    time.sleep(1.0) 

 

push_button.irq(trigger= Pin.IRQ_RISING, handler=push_button_interrupt_handler) 

 

green_led.off() 

yellow_led.off() 

red_led.off() 

 

while True: 

     

    if DUCK_IS_CROSSING == True: 

        print("Duck is crossing!") 

        print("Toggling red LED on…") 

        DUCK_IS_CROSSING = False #reset DUCK_IS_CROSSING 

        green_led.off() 

        yellow_led.off() 

        red_led.on() 

        time.sleep(5) 

     

    print("Toggling green LED on…") 

    green_led.on() 

    yellow_led.off() 

    red_led.off() 

    time.sleep(2) 

    print("Toggling yellow LED on…") 

    green_led.off() 

    yellow_led.on() 

    red_led.off() 

    time.sleep(2) 

    print("Toggling red LED on…") 

    green_led.off() 

    yellow_led.off() 

    red_led.on() 

    time.sleep(2)