from machine import I2C, Pin
from time import sleep
from pico_i2c_lcd import I2cLcd
from onewire import OneWire
from ds18x20 import DS18X20

dsPin = machine.Pin(8)
ow = OneWire(dsPin)
sensor = DS18X20(ow)

def initialize_i2c_lcd(sda_pin, scl_pin, i2c_freq):
    i2c_bus = I2C(0, sda=Pin(sda_pin), scl=Pin(scl_pin), freq=i2c_freq)
    i2c_address = i2c_bus.scan()[0]
    return I2cLcd(i2c_bus, i2c_address, 2, 16), i2c_address

def main():

    sleep(1)
    lcd, i2c_address = initialize_i2c_lcd(sda_pin=0, scl_pin=1, i2c_freq=400000) # Inicia o display
 
    while True:

        scan = sensor.scan()[0]

        if scan:
            sensor.convert_temp() # Temperatura em Celsius
            sleep(1)
            temp = sensor.read_temp(scan)
            lcd.clear()
            lcd.putstr("Temperatura:\r\n "+ str(temp) +" C") # Exibe temperatura no display
        
        sleep(1)
    

if __name__ == '__main__':
    main()