Provide 3.3V voltage on GPIO pin

			background: black !important;

		}

		.pin1 .pin {

		.pin31 .pin {

			background: gray !important;

		}

from time import sleep

from pirc522 import RFID

import RPi.GPIO as GPIO

from poolpay.card.CardReader import CardReader

class Pirc522CardReader(CardReader):

    def __init__(self) -> None:

        # Provide 3.3V

        GPIO.setmode(GPIO.BOARD)

        GPIO.setup(31, GPIO.OUT, initial=1)

        # Open this on SPI1 bus, because SPI0's pins are taken by the LCD.

        # Technically, it might be possible to connect both LCD and Card Interface to

        # the same SPI0 bus (making one device=0, and the other device=1),

        self._handle_removal = handle_removal

    def close(self) -> None:

        # Always stop crypto1 when done working

        self._reader.stop_crypto()

        # Calls GPIO cleanup

        self._reader.cleanup()