from machine import ADC, Pin, I2C
from time import sleep
from lcd_api import LcdApi
from i2c_lcd import I2cLcd

smoke_sensor = ADC(26) 
buzzer = Pin(15, Pin.OUT)
led = Pin(14, Pin.OUT)


I2C_ADDR = 0x27 
i2c = I2C(0, sda=Pin(0), scl=Pin(1), freq=400000)
lcd = I2cLcd(i2c, I2C_ADDR, 2, 16)  


THRESHOLD = 40000 

lcd.putstr("Rauchmelder Startet")
sleep(2)
lcd.clear()


while True:
    value = smoke_sensor.read_u16()
    print("Rauchwert:", value)

    #lcd.clear()
    lcd.move_to(0, 0)
    lcd.putstr("Rauch: {}".format(value))

    if value > THRESHOLD:
        buzzer.on()
        led.on()
        lcd.move_to(0, 1)
        lcd.putstr("!! ALARM !!")
        print("Rauch erkannt!")
    else:
        buzzer.off()
        led.off()
        lcd.move_to(0, 1)
        lcd.putstr("Alles OK")

    sleep(1)