37 lines
727 B
Python
37 lines
727 B
Python
#!/usr/bin/env python
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# -*- coding: utf8 -*-
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import RPi.GPIO as GPIO
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import MFRC522
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# [1] Create an object of the class MFRC522
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GPIO.setwarnings(False);
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MIFAREReader = MFRC522.MFRC522()
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# [2] Scan for cards
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(status,TagType) = MIFAREReader.MFRC522_Request(MIFAREReader.PICC_REQIDL)
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# [3] If no card found -> exit 1
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if status != MIFAREReader.MI_OK:
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print 127;
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exit(127);
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# [4] Get the UID of the card
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(status,uid) = MIFAREReader.MFRC522_Anticoll()
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# [5] If no UID read -> exit 1
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if status != MIFAREReader.MI_OK:
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print 127;
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exit(127);
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# [6] Print UID
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suid = str(hex(uid[0]))[2:];
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suid += '-' + str(hex(uid[1]))[2:];
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suid += '-' + str(hex(uid[2]))[2:];
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suid += '-' + str(hex(uid[3]))[2:];
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print suid;
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exit(0);
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