README

This package ships with a wrapper to access the MFRC522 module of JOY-IT.

Installation

You need to install the php-spi-extension and the php-secure-int64-extension (only when using badges with more than 4 byte UIDs).

Wiring

Usage

Read from a badge or chip:

<?php
use Ikarus\MiFare\Authentication\BasicAuthentication;
use Ikarus\MiFare\Joyit\MFRC522_SPI;
use Ikarus\MiFare\Sector\MutableCardSector;
use Ikarus\Raspberry\Pinout\Revision_3\DynamicBCMPinout;
use Ikarus\Raspberry\RaspberryPiDevice;
use TASoft\Bus\SPI;

$dev = RaspberryPiDevice::getDevice();
$dev->requirePinout(
	(new DynamicBCMPinout())
		->addOutputPin(25)
);

$reset = $dev->getOutputPin(25);

$sensor = new MFRC522_SPI(new SPI(0, 0, 1000000), $reset);
echo "Please hold a card or badge near the sensor.", PHP_EOL;

$id = $sensor->readCardID(3); // Wait for 3 seconds before cancel.
echo "TAG: $id", PHP_EOL;

if($id) {
	$sector = new MutableCardSector(
	    MutableCardSector::SECTOR_ID_02,
	    BasicAuthentication::defaultAuthentication() // Key A: 0xFFFFFFFFFFFF
	);
	$sensor->readCardSector($id, $sector);

	print_r($sector);
} else
	echo "No tag detected.", PHP_EOL;

Write to a badge or chip:

<?php
use Ikarus\MiFare\Authentication\BasicAuthentication;
use Ikarus\MiFare\Joyit\MFRC522_SPI;
use Ikarus\MiFare\Sector\CardSector;
use Ikarus\MiFare\Sector\MutableCardSector;
use Ikarus\Raspberry\Pinout\Revision_3\DynamicBCMPinout;
use Ikarus\Raspberry\RaspberryPiDevice;
use TASoft\Bus\SPI;

$dev = RaspberryPiDevice::getDevice();
$dev->requirePinout(
	(new DynamicBCMPinout())
		->addOutputPin(25)
);

$reset = $dev->getOutputPin(25);

// Read from command line
$string = readline("Please enter a text: ");
$string = substr(trim($string), 0, 48); // Truncate to maximum sector size
echo "TEXT ($string)", PHP_EOL;

$sensor = new MFRC522_SPI(new SPI(0, 0, 1000000), $reset);
echo "Please hold a card or badge near the sensor.", PHP_EOL;
$id = $sensor->readCardID(3);
echo "TAG: $id\n";

if($id) {
	$sector = new CardSector(
	    CardSector::SECTOR_ID_02,
	    $string,
	    BasicAuthentication::defaultAuthentication()
	);
	$sensor->writeCardSector($id, $sector);

	echo "OK, WRITTEN. VERIFY NOW ...\n";
	usleep(100000);
	
	$sector = new MutableCardSector(
	    MutableCardSector::SECTOR_ID_02,
	    BasicAuthentication::defaultAuthentication() // Key A: 0xFFFFFFFFFFFF
	);
	
	$id = $sensor->readCardID(3);
	$sensor->readCardSector($id, $sector);

	print_r($sector);
} else
	echo "No tag detected.", PHP_EOL;

Changing the access keys and access bits:

<?php
use Ikarus\MiFare\Authentication\AccessBits;
use Ikarus\MiFare\Authentication\AuthenticationContainer;
use Ikarus\MiFare\Authentication\BasicAuthentication;
use Ikarus\MiFare\Joyit\MFRC522_SPI;
use Ikarus\MiFare\Sector\CardSector;
use Ikarus\Raspberry\Pinout\Revision_3\DynamicBCMPinout;
use Ikarus\Raspberry\RaspberryPiDevice;
use TASoft\Bus\SPI;

$dev = RaspberryPiDevice::getDevice();
$dev->requirePinout(
	(new DynamicBCMPinout())
		->addOutputPin(25)
);

$reset = $dev->getOutputPin(25);

$sensor = new MFRC522_SPI(new SPI(0, 0, 1000000), $reset);
echo "Please hold a card or badge near the sensor.", PHP_EOL;

$id = $sensor->readCardID(3); // Wait for 3 seconds before cancel.
echo "TAG: $id", PHP_EOL;

if($id) {
	$auth = new AuthenticationContainer(
		[
			BasicAuthentication::A([0x86,0x86,0x86,0x86,0x86,0x86]),
			BasicAuthentication::B([0xFF, 0x1, 0x2, 0x3, 0x4, 0x5])
		],
		new AccessBits([
		    AccessBits::C000, // Data Block 0
		    AccessBits::C000, // Data Block 1
		    AccessBits::C000, // Data Block 2
		    AccessBits::C001, // Trailer Block
		    0x0               // custom data byte
        ])
	);

	$sensor->writeAuthentication(
		$id,
		$auth,
		new CardSector(CardSector::SECTOR_ID_02, "", BasicAuthentication::A([0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF]))
	);
} else
	echo "No tag detected.", PHP_EOL;