# HISYAM BIN SHAMSUDDIN (CB230148)
from machine import Pin, PWM, I2C
from time import sleep
from dht import DHT22
from lcd1602 import LCD
from machine import Pin, ADC

led0 = Pin(2,Pin.OUT)
dht = DHT22(Pin(20))
slide_pot = machine.ADC(26)  

i2c = I2C(0, sda=Pin(0), scl=Pin(1), freq=100000)
I2C_ADDR = i2c.scan()
lcd=LCD()

threshold_temp_rounded=0
threshold_temp=0

def LedFunc():
   led0.value(1)

def display_lcd(text):
    lcd.clear()
    lcd.write(text)

def read_pot_value():
    threshold_temp = slide_pot.read_u16() / 65535 * 100
    threshold_temp_rounded = round(threshold_temp, 1)  # Round to one decimal place
    print("{:.1f}".format(threshold_temp_rounded))  # Format the output to one decimal place
    return threshold_temp_rounded

while True:
    bacabacaansuhu=read_pot_value()
    dht.measure()
    temp = dht.temperature()
    hum = dht.humidity()

    print(f"T: {temp}C    H: {hum}% ")

    lcd.clear()
    greeting1 = 'T: ' + str(temp) + "C"
    greeting2 = 'H: ' + str(hum) + "%"
    greeting3 = 'Total: ' + str(bacabacaansuhu) + "C"
    lcd.write(0,0,greeting1)
    lcd.write(9,0,greeting2)
    lcd.write(2,1,greeting3)

    sleep(0.5)

    if (temp > bacabacaansuhu):
        led0.value(1)
    else:
        led0.value(0)