print("Hello, ESP32!")
from machine import Pin, I2C  # Import I2C from machine
from time import sleep 
from lcd_api import LcdApi
from i2c_lcd import I2cLcd

# Pin setup
pin_LED = Pin(0, Pin.OUT)  # LED output pin
pin_PB = Pin(14, Pin.IN)  # Button input pin with pull-up
slide_pin = Pin(27, Pin.IN, Pin.PULL_UP)  # Slide switch input pin with pull-up

# I2C setup for LCD
I2C_ADDR = 0x27  # Default I2C address for 2004 LCD
i2c = I2C(0, sda=Pin(21), scl=Pin(22), freq=400000)
lcd = I2cLcd(i2c, I2C_ADDR, 4, 20)  # 4 rows and 20 columns

# Function to display a message based on the slide switch state
def display_message():
    if slide_pin.value() == 0:  # When the slide switch is ON (connected to GND)
        lcd.clear()
        lcd.putstr("HI")
    else:
        lcd.clear()  # Clear the display when the slide switch is OFF

lcd.clear()  # Clear LCD at the start
lcd.putstr("Hello")
sleep(2)

while True:
    pin_LED.off()
    val_PB = pin_PB.value()
    print (val_PB)

    if val_PB == 1: 
        pin_LED.on(), 

    sleep(0.1)