#!/usr/bin/env python
# -*- coding: utf8 -*-


import RPi.GPIO as GPIO
import MFRC522
import signal
continue_reading = True


# Capture SIGINT for cleanup when the script is aborted
def end_read(signal,frame):
    global continue_reading
    print "Ctrl+C captured, ending read."
    continue_reading = False
    GPIO.cleanup()


# Hook the SIGINT
signal.signal(signal.SIGINT, end_read)


# Create an object of the class MFRC522
MIFAREReader = MFRC522.MFRC522()


# Welcome message
print "Welcome to the MFRC522 data read example"
print "Press Ctrl-C to stop."



while continue_reading:
    # Scan for cards
    (status,TagType) = MIFAREReader.MFRC522_Request(MIFAREReader.PICC_REQIDL)

    # Print Status
    print "Status: "+status
    print "Type:   "+TagType

    """
    # If a card is found
    if status == MIFAREReader.MI_OK:
        print "Card detected"
    """

    # Get the UID of the card
    (status,uid) = MIFAREReader.MFRC522_Anticoll()

    # If we have the UID, continue
    if status == MIFAREReader.MI_OK:
        # Print UID
        print "Leitura cartao/chaveiro RFID OK!"