from mfrc522 import MFRC522
from machine import Pin, SPI
import time

# Wir definieren die Pins global
SCK = 26
MOSI = 27
MISO = 14
RST = 12

# Initialisierung beider Reader
# WICHTIG: Die Library nutzt intern SPI(0) oder SPI(1)
reader1 = MFRC522(sck=SCK, mosi=MOSI, miso=MISO, rst=RST, cs=25)
reader2 = MFRC522(sck=SCK, mosi=MOSI, miso=MISO, rst=RST, cs=18)

def read_rfid(reader, name):
    try:
        (stat, tag_type) = reader.request(reader.REQIDL)
        if stat == reader.OK:
            (stat, uid) = reader.anticoll()
            print("OK")
            print(stat, reader.OK)
            if stat == reader.OK:
                uid_str = "0x" + "".join(["%02X" % i for i in uid])
                print("UUID")
                print(f"[{name}] Karte erkannt! UID: {uid_str}")
                time.sleep(0.5)
                return True
    except:
        pass
    return False

print("System startet... Teste Reader...")

while True:
    read_rfid(reader1, "Reader 1")
    read_rfid(reader2, "Reader 2")
    time.sleep_ms(10)