tm_stm32f4_mfrc522.h

#ifndef TM_MFRC522_H
#define TM_MFRC522_H 100

#include "stm32f4xx.h"
#include "stm32f4xx_rcc.h"
#include "stm32f4xx_gpio.h"
#include "tm_stm32f4_spi.h"
#include "defines.h"

/* Default SPI used */
#ifndef MFRC522_SPI
#define MFRC522_SPI                     SPI1
#define MFRC522_SPI_PINSPACK            TM_SPI_PinsPack_2
#endif

/* Default CS pin used */
#ifndef MFRC522_CS_PIN
#define MFRC522_CS_RCC                  RCC_AHB1Periph_GPIOG
#define MFRC522_CS_PORT                 GPIOG
#define MFRC522_CS_PIN                  GPIO_Pin_2
#endif

typedef enum {
    MI_OK = 0,
    MI_NOTAGERR,
    MI_ERR
} TM_MFRC522_Status_t;

#define MFRC522_CS_LOW                  MFRC522_CS_PORT->BSRRH = MFRC522_CS_PIN;
#define MFRC522_CS_HIGH                 MFRC522_CS_PORT->BSRRL = MFRC522_CS_PIN;

/* MFRC522 Commands */
#define PCD_IDLE                        0x00   //NO action; Cancel the current command
#define PCD_AUTHENT                     0x0E   //Authentication Key
#define PCD_RECEIVE                     0x08   //Receive Data
#define PCD_TRANSMIT                    0x04   //Transmit data
#define PCD_TRANSCEIVE                  0x0C   //Transmit and receive data,
#define PCD_RESETPHASE                  0x0F   //Reset
#define PCD_CALCCRC                     0x03   //CRC Calculate

/* 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

/* MFRC522 Registers */
//Page 0: Command and Status
#define MFRC522_REG_RESERVED00          0x00    
#define MFRC522_REG_COMMAND             0x01    
#define MFRC522_REG_COMM_IE_N           0x02    
#define MFRC522_REG_DIV1_EN             0x03    
#define MFRC522_REG_COMM_IRQ            0x04    
#define MFRC522_REG_DIV_IRQ             0x05
#define MFRC522_REG_ERROR               0x06    
#define MFRC522_REG_STATUS1             0x07    
#define MFRC522_REG_STATUS2             0x08    
#define MFRC522_REG_FIFO_DATA           0x09
#define MFRC522_REG_FIFO_LEVEL          0x0A
#define MFRC522_REG_WATER_LEVEL         0x0B
#define MFRC522_REG_CONTROL             0x0C
#define MFRC522_REG_BIT_FRAMING         0x0D
#define MFRC522_REG_COLL                0x0E
#define MFRC522_REG_RESERVED01          0x0F
//Page 1: Command 
#define MFRC522_REG_RESERVED10          0x10
#define MFRC522_REG_MODE                0x11
#define MFRC522_REG_TX_MODE             0x12
#define MFRC522_REG_RX_MODE             0x13
#define MFRC522_REG_TX_CONTROL          0x14
#define MFRC522_REG_TX_AUTO             0x15
#define MFRC522_REG_TX_SELL             0x16
#define MFRC522_REG_RX_SELL             0x17
#define MFRC522_REG_RX_THRESHOLD        0x18
#define MFRC522_REG_DEMOD               0x19
#define MFRC522_REG_RESERVED11          0x1A
#define MFRC522_REG_RESERVED12          0x1B
#define MFRC522_REG_MIFARE              0x1C
#define MFRC522_REG_RESERVED13          0x1D
#define MFRC522_REG_RESERVED14          0x1E
#define MFRC522_REG_SERIALSPEED         0x1F
//Page 2: CFG    
#define MFRC522_REG_RESERVED20          0x20  
#define MFRC522_REG_CRC_RESULT_M        0x21
#define MFRC522_REG_CRC_RESULT_L        0x22
#define MFRC522_REG_RESERVED21          0x23
#define MFRC522_REG_MOD_WIDTH           0x24
#define MFRC522_REG_RESERVED22          0x25
#define MFRC522_REG_RF_CFG              0x26
#define MFRC522_REG_GS_N                0x27
#define MFRC522_REG_CWGS_PREG           0x28
#define MFRC522_REG__MODGS_PREG         0x29
#define MFRC522_REG_T_MODE              0x2A
#define MFRC522_REG_T_PRESCALER         0x2B
#define MFRC522_REG_T_RELOAD_H          0x2C
#define MFRC522_REG_T_RELOAD_L          0x2D
#define MFRC522_REG_T_COUNTER_VALUE_H   0x2E
#define MFRC522_REG_T_COUNTER_VALUE_L   0x2F
//Page 3:TestRegister 
#define MFRC522_REG_RESERVED30          0x30
#define MFRC522_REG_TEST_SEL1           0x31
#define MFRC522_REG_TEST_SEL2           0x32
#define MFRC522_REG_TEST_PIN_EN         0x33
#define MFRC522_REG_TEST_PIN_VALUE      0x34
#define MFRC522_REG_TEST_BUS            0x35
#define MFRC522_REG_AUTO_TEST           0x36
#define MFRC522_REG_VERSION             0x37
#define MFRC522_REG_ANALOG_TEST         0x38
#define MFRC522_REG_TEST_ADC1           0x39  
#define MFRC522_REG_TEST_ADC2           0x3A   
#define MFRC522_REG_TEST_ADC0           0x3B   
#define MFRC522_REG_RESERVED31          0x3C   
#define MFRC522_REG_RESERVED32          0x3D
#define MFRC522_REG_RESERVED33          0x3E   
#define MFRC522_REG_RESERVED34          0x3F
//Dummy byte
#define MFRC522_DUMMY                   0x00

#define MFRC522_MAX_LEN                 16

extern void TM_MFRC522_Init(void);

extern TM_MFRC522_Status_t TM_MFRC522_Check(uint8_t* id);

extern TM_MFRC522_Status_t TM_MFRC522_Compare(uint8_t* CardID, uint8_t* CompareID);

extern void TM_MFRC522_InitPins(void);
extern void TM_MFRC522_WriteRegister(uint8_t addr, uint8_t val);
extern uint8_t TM_MFRC522_ReadRegister(uint8_t addr);
extern void TM_MFRC522_SetBitMask(uint8_t reg, uint8_t mask);
extern void TM_MFRC522_ClearBitMask(uint8_t reg, uint8_t mask);
extern void TM_MFRC522_AntennaOn(void);
extern void TM_MFRC522_AntennaOff(void);
extern void TM_MFRC522_Reset(void);
extern TM_MFRC522_Status_t TM_MFRC522_Request(uint8_t reqMode, uint8_t* TagType);
extern TM_MFRC522_Status_t TM_MFRC522_ToCard(uint8_t command, uint8_t* sendData, uint8_t sendLen, uint8_t* backData, uint16_t* backLen);
extern TM_MFRC522_Status_t TM_MFRC522_Anticoll(uint8_t* serNum);
extern void TM_MFRC522_CalculateCRC(uint8_t* pIndata, uint8_t len, uint8_t* pOutData);
extern uint8_t TM_MFRC522_SelectTag(uint8_t* serNum);
extern TM_MFRC522_Status_t TM_MFRC522_Auth(uint8_t authMode, uint8_t BlockAddr, uint8_t* Sectorkey, uint8_t* serNum);
extern TM_MFRC522_Status_t TM_MFRC522_Read(uint8_t blockAddr, uint8_t* recvData);
extern TM_MFRC522_Status_t TM_MFRC522_Write(uint8_t blockAddr, uint8_t* writeData);
extern void TM_MFRC522_Halt(void);

#endif