import onewire, ds18x20, time
from machine import Pin

TEMP_MAX = 8.0
TEMP_MIN = -30.0
ERR_LOW = -127.0
ERR_MAX = 85.0


pin = Pin(4)
pin_led = Pin(14, Pin.OUT)

ow = onewire.OneWire(pin)
ds = ds18x20.DS18X20(ow)
roms = ds.scan()

if roms is None or len(roms) == 0:
  print("fehlerrr")
templist = []

for i in roms:
  templist.append([])

Alarm = False

while True:

    ds.convert_temp()
    time.sleep_ms(750)


    for i, rom in enumerate(roms):

      temp = ds.read_temp(rom)
      if temp <= ERR_LOW or temp >= ERR_MAX:
        print("a")
        Alarm = True
        pin_led.value(1)
        print("lek eier")

      else:
        print("b")
        Alarm = False
        pin_led.value(0)
        templist[i].append(temp)
        if len(templist[i]) > 5:
          templist[i].pop(0)

    avg = 0


    for i in templist:
      avg += sum(i) / len(i)
    all_avg = (avg / (len(templist)))
    print(all_avg)
    if all_avg > TEMP_MAX:
      pin_led.value(1)
    elif all_avg < TEMP_MIN:
      pin_led.value(1)
    else :
      pin_led.value(0)

    time.sleep_ms(250)