# Biblotheken für Display laden
from time import sleep_ms
from machine import I2C, Pin
from machine_i2c_lcd import I2cLcd
#Bibliotheken für Temperatursensor laden
from ds18x20 import DS18X20
from utime import sleep,sleep_ms
from onewire import OneWire



# Initaialisierung I2C
i2c = I2C(0, sda=Pin(20), scl=Pin(21), freq= 100000)

# Initialisierung LCD über I2C
lcd = I2cLcd(i2c, 0x27, 2 ,16)

# Initialisierung GIPO, OneWire, DS18X20
one_wire_bus = Pin(1)
sensor_ds = DS18X20(OneWire(one_wire_bus))

# One-Wire-Geräte ermitteln
devices = sensor_ds.scan()
print('Found DS Devices', devices)

# Methode für die DS18B20 Messung
def measure():
    print('Method measure')


while True:
        measure()  
        # Temperatur messen
        sensor_ds.convert_temp()
        # Warten: min. 750 ms
        sleep_ms(750)
        # Sensoren abfragen

        for device in devices:

            print('Sensor:', device)
            value = sensor_ds.read_temp(device) 
            temp = str(value)
            #print(temp, '°C')
            # Display-Zeilen ausgeben
            lcd.putstr(temp +  "\337C")
            sleep_ms(3000)
            # Display-Inhalt löschen
            lcd.clear()
            sleep_ms(1000)
   
    #print (zeile_oben)
    #print (zeile_unten)*/
# Text in Zeilen
#zeile_oben = 'Temperatur';
#zeile_unten = (sensor_ds.read_temp(device), '°C')



# Position im Display
for zeile in range (0,2):
  for spalte in range (0,16):
    lcd.move_to(spalte, zeile)
    lcd.putstr('.')
    sleep_ms(500)

print("Hintergrundlicht aus")
lcd.backlight_off()
sleep_ms(3000)

print("Hintergrundlicht an")
lcd.backlight_on()
sleep_ms(3000)

print("Display aus")
lcd.display_off()
sleep_ms(3000)

print("Display an")
lcd.display_on()
sleep_ms(3000)