import mfrc522
from utime import sleep

# sck=18, mosi=23, miso=19, rst=13, sda=15
rdr = mfrc522.MFRC522(18, 23, 19, 13, 15)

def read():
    (stat, tag_type) = rdr.request(rdr.REQIDL)
    if stat == rdr.OK:
        (stat, raw_uid) = rdr.anticoll()
        if stat == rdr.OK:
            print("\n[!] Kartu Terdeteksi")
            print(" - UID: %02x:%02x:%02x:%02x" % (raw_uid[0], raw_uid[1], raw_uid[2], raw_uid[3]))
            
            if rdr.select_tag(raw_uid) == rdr.OK:
                key = [0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF]
                if rdr.auth(rdr.AUTHENT1A, 8, key, raw_uid) == rdr.OK:
                    data = rdr.read(8)
                    if data:
                        text = "".join([chr(x) for x in data])
                        print(" - Data Blok 8: %s" % text)
                    rdr.stop_crypto1()
                else:
                    print(" - Error: Otentikasi Gagal")

def write(nama):
    (stat, tag_type) = rdr.request(rdr.REQIDL)
    if stat == rdr.OK:
        (stat, raw_uid) = rdr.anticoll()
        if stat == rdr.OK:
            print("\n[!] Siap Menulis ke Kartu...")
            if rdr.select_tag(raw_uid) == rdr.OK:
                key = [0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF]
                if rdr.auth(rdr.AUTHENT1A, 8, key, raw_uid) == rdr.OK:
                    stat = rdr.write(8, nama)
                    rdr.stop_crypto1()
                    if stat == rdr.OK:
                        print(" - Berhasil Menulis: %s" % nama)
                    else:
                        print(" - Gagal Menulis!")

print("--- SISTEM RFID AKTIF ---")
while True:
    # Aktifkan salah satu sesuai tugas:
    read()
    # write("benni agung ngrh") 
    
    sleep(1)