#lab_3.py - Program with Relay Control
from machine import Pin
import time
ON = 1
OFF = 0
led1 = Pin(13, Pin.OUT)
led2 = Pin(12, Pin.OUT)
led3 = Pin(14, Pin.OUT)
relay1 = Pin(27, Pin.OUT)

key1 = Pin(15, Pin.IN, Pin.PULL_UP)
key2 = Pin(2, Pin.IN, Pin.PULL_UP)
key3 = Pin(4, Pin.IN, Pin.PULL_UP)

def callblack_function1():
    led1.value(ON)
    led2.value(ON)
    led3.value(OFF)
    relay1.value(ON)
    print("LED1=ON LED2 ON LED3=OFF , Relay=ON")
    time.sleep(1)
def callblack_function2():
    led1.value(OFF)
    led2.value(OFF)
    led3.value(OFF)
    relay1.value(OFF)
    print("LED1=OFF LED2=OFF LED3=OFF , Relay=OFF")
    time.sleep(1)
def callblack_function3():
    led1.value(ON)
    led2.value(ON)
    led3.value(ON)
    relay1.value(ON)
    print("LED=ON LED2 ON LED3=ON , Relay=ON")
    time.sleep(5)

while True: 
    if (key1.value()== 0):
        for i in range(5):
            callblack_function1()
            time.sleep(0.5)
            callblack_function3()
    elif (key2.value()== 0):
        for i in range (5):
            callblack_function2()
    elif(key3.value()== 0):
        callblack_function3()
    else:
        led1.value(0)
        led2.value(0)
        led3.value(0)
        relay1.value(OFF)
        print("LED1=OFF LED2=OFF LED3=OFF Relay1=OFF")
        time.sleep(0.2)