micropython-mfrc522/examples/write.py
Stefan Wendler f66992469c First commit
2016-05-30 22:27:29 +02:00

44 lines
1,005 B
Python

import mfrc522
def do_write():
rdr = mfrc522.MFRC522()
print("")
print("Place card before reader to write address 0x08")
print("")
try:
while True:
(stat, tag_type) = rdr.request(0x26)
if stat == rdr.OK:
(stat, raw_uid) = rdr.anticoll()
if stat == rdr.OK:
print("New card detected")
print(" - tag type: 0x%02x" % tag_type)
print(" - uid : 0x%02x%02x%02x%02x" % (raw_uid[0], raw_uid[1], raw_uid[2], raw_uid[3]))
print("")
if rdr.select_tag(raw_uid) == rdr.OK:
key = [0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF]
if rdr.auth(0x60, 8, key, raw_uid) == rdr.OK:
stat = rdr.write(8, b"\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f")
rdr.stop_crypto1()
if stat == rdr.OK:
print("Data written to card")
else:
print("Failed to write data to card")
else:
print("Authentication error")
else:
print("Failed to select tag")
except KeyboardInterrupt:
print("Bye")