mfrc522.h

/*
 * mfrc522.h 
 */
#ifndef MFRC522_H
#define MFRC522_H

#include <stdint.h>
#include "mfrc522_cmd.h"
#include "mfrc522_reg.h"

#define CARD_FOUND		1
#define CARD_NOT_FOUND	2
#define ERROR			3

#define MAX_LEN			16

//Card types
#define Mifare_UltraLight 	0x4400
#define Mifare_One_S50		0x0400
#define Mifare_One_S70		0x0200
#define Mifare_Pro_X		0x0800
#define Mifare_DESFire		0x4403

// Mifare_One card command word
# define PICC_REQIDL          0x26               // find the antenna area does not enter hibernation
# define PICC_REQALL          0x52               // find all the cards antenna area
# define PICC_ANTICOLL        0x93               // anti-collision
# define PICC_SElECTTAG       0x93               // election card
# define PICC_AUTHENT1A       0x60               // authentication key A
# define PICC_AUTHENT1B       0x61               // authentication key B
# define PICC_READ            0x30               // Read Block
# define PICC_WRITE           0xA0               // write block
# define PICC_DECREMENT       0xC0               // debit
# define PICC_INCREMENT       0xC1               // recharge
# define PICC_RESTORE         0xC2               // transfer block data to the buffer
# define PICC_TRANSFER        0xB0               // save the data in the buffer
# define PICC_HALT            0x50               // Sleep

void mfrc522_init();
void mfrc522_reset();
void mfrc522_write(uint8_t reg, uint8_t data);
uint8_t mfrc522_read(uint8_t reg);
uint8_t	mfrc522_request(uint8_t req_mode, uint8_t * tag_type);
uint8_t mfrc522_to_card(uint8_t cmd, uint8_t *send_data, uint8_t send_data_len, uint8_t *back_data, uint32_t *back_data_len);
uint8_t mfrc522_get_card_serial(uint8_t * serial_out);

#endif