#include <unistd.h>
#include <iostream>
#include <ctime>
#include <cstdint>

#include "MFRC522.h"

MFRC522 mfrc;

uint32_t getUID()
{
	uint32_t uid = int((unsigned char)(mfrc.uid.uidByte[0]) << 24 |
		      (unsigned char)(mfrc.uid.uidByte[1]) << 16 |
		      (unsigned char)(mfrc.uid.uidByte[2]) << 8  |
		      (unsigned char)(mfrc.uid.uidByte[3]));
	return uid;
}

int main()
{
	mfrc.PCD_Init();

	while(true)
	{
		if(!mfrc.PICC_IsNewCardPresent())
		{
			continue;
		}
		if(!mfrc.PICC_ReadCardSerial())
		{
			continue;
		}
		printf("\n");
		std::time_t result = std::time(nullptr);
		std::cout << std::asctime(std::localtime(&result));

		printf("%X\n", getUID());

	}

	printf("\n");
    	usleep(1000*1000);
    return 0;
}