detectCardType.js

import MFRC522 from "mfrc522-rpi";
import SoftSPI from "rpi-softspi";

console.log(SoftSPI);

console.log("Scanning...");
console.log("Please put chip or keycard in the antenna inductive zone!");


//SPI Configuration
const softSPI = new SoftSPI({
	clock: 23, //pin number of SCLK
	mosi: 19, //pin number of MOSI
	miso: 21, //pin number of MISO
	client: 24 //pin number of CS
});

//mfrc522 Handler 
const mfrc522 = new MFRC522(softSPI).setResetPin(22).setBuzzerPin(18);

//main loop
setInterval(function() {
	//reset card
	mfrc522.reset();

	//scan for cards
	let response = mfrc522.findCard();

	//No card
	if (!response.status) {
		console.log("No Card");
		return;
	}

	console.log("Card detected, CardType: " + response.bitSize);

	//get UID of the card
	response = mfrc522.getUid();
	if (!response.status) {
		console.log("UID Scan Error");
		return;
	}

	const uid = response.data;
	console.log(
		"Card read UID: 0x " + uid[0].toString(16) + " " + uid[1].toString(16) + " "  + uid[2].toString(16) + " " + uid[0].toString(16)
 	);

	//Scaned Card Selection
	const memoryCapacity = mfrc522.selectCard(uid);
	console.log("Card Memory Capacity:" + memoryCapacity);

	 //# Stop
 	 mfrc522.stopCrypto();
	
}, 1000);