RFID MFRC522
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WORKSPACE_F411_RFID_MFRC522.zip
code RFID
rfid.h
/*
* rfid.h
*
* Created on: Sep 6, 2017
* Author: kerhoas
*/
#ifndef INC_RFID_H_
#define INC_RFID_H_
#include "main.h"
#define MAX_LEN 16 // Maximum length of the array
// MF522 command word
#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 // Send and receive data
#define PCD_RESETPHASE 0x0F // Reset
#define PCD_CALCCRC 0x03 // CRC calculation
// 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
// MF522 communication error code is returned when
#define MI_OK 0
#define MI_NOTAGERR 1
#define MI_ERR 2
//======================================================================================
// MFRC522 register
//======================================================================================
//Page 0:Command and Status
#define Reserved00 0x00
#define CommandReg 0x01
#define CommIEnReg 0x02
#define DivlEnReg 0x03
#define CommIrqReg 0x04
#define DivIrqReg 0x05
#define ErrorReg 0x06
#define Status1Reg 0x07
#define Status2Reg 0x08
#define FIFODataReg 0x09
#define FIFOLevelReg 0x0A
#define WaterLevelReg 0x0B
#define ControlReg 0x0C
#define BitFramingReg 0x0D
#define CollReg 0x0E
#define Reserved01 0x0F
//Page 1:Command
#define Reserved10 0x10
#define ModeReg 0x11
#define TxModeReg 0x12
#define RxModeReg 0x13
#define TxControlReg 0x14
#define TxAutoReg 0x15
#define TxSelReg 0x16
#define RxSelReg 0x17
#define RxThresholdReg 0x18
#define DemodReg 0x19
#define Reserved11 0x1A
#define Reserved12 0x1B
#define MifareReg 0x1C
#define Reserved13 0x1D
#define Reserved14 0x1E
#define SerialSpeedReg 0x1F
//Page 2:CFG
#define Reserved20 0x20
#define CRCResultRegM 0x21
#define CRCResultRegL 0x22
#define Reserved21 0x23
#define ModWidthReg 0x24
#define Reserved22 0x25
#define RFCfgReg 0x26
#define GsNReg 0x27
#define CWGsPReg 0x28
#define ModGsPReg 0x29
#define TModeReg 0x2A
#define TPrescalerReg 0x2B
#define TReloadRegH 0x2C
#define TReloadRegL 0x2D
#define TCounterValueRegH 0x2E
#define TCounterValueRegL 0x2F
//Page 3:TestRegister
#define Reserved30 0x30
#define TestSel1Reg 0x31
#define TestSel2Reg 0x32
#define TestPinEnReg 0x33
#define TestPinValueReg 0x34
#define TestBusReg 0x35
#define AutoTestReg 0x36
#define VersionReg 0x37
#define AnalogTestReg 0x38
#define TestDAC1Reg 0x39
#define TestDAC2Reg 0x3A
#define TestADCReg 0x3B
#define Reserved31 0x3C
#define Reserved32 0x3D
#define Reserved33 0x3E
#define Reserved34 0x3F
//======================================================================================
void RFID_powerOn(void);
bool RFID_isCard();
bool RFID_readCardSerial();
void RFID_init();
void RFID_reset();
void RFID_writeMFRC522(uint8_t addr, uint8_t val);
void RFID_antennaOn(void);
uint8_t RFID_readMFRC522(uint8_t addr);
void RFID_setBitMask(uint8_t reg, uint8_t mask);
void RFID_clearBitMask(uint8_t reg, uint8_t mask);
void RFID_calculateCRC(uint8_t *pIndata, uint8_t len, uint8_t *pOutData);
uint8_t RFID_MFRC522Request(uint8_t reqMode, uint8_t *TagType);
uint8_t RFID_MFRC522ToCard(uint8_t command, uint8_t *sendData, uint8_t sendLen, uint8_t *backData, uint32_t *backLen);
uint8_t RFID_anticoll(uint8_t *serNum);
uint8_t RFID_auth(uint8_t authMode, uint8_t BlockAddr, uint8_t *Sectorkey, uint8_t *serNum);
uint8_t RFID_readBlock(uint8_t blockAddr, uint8_t *recvData);
uint8_t RFID_writeBlock(uint8_t blockAddr, uint8_t *writeData);
void RFID_halt();
uint8_t serNum[5];
uint8_t AserNum[5];
//======================================================================================
#endif /* INC_RFID_H_ */
rfid.c
/******************************************************************************
* Includes
******************************************************************************/
#include "rfid.h"
//===================================================================================
void RFID_powerOn(void)
{
HAL_GPIO_WritePin(GPIOA, GPIO_PIN_4, 1); // SPI DISABLE
HAL_GPIO_WritePin(GPIOC, GPIO_PIN_7, 1); // POWERDOWN OFF
}
//===================================================================================
bool RFID_isCard()
{
uint8_t status;
uint8_t str[MAX_LEN];
status = RFID_MFRC522Request(PICC_REQIDL, str);
if (status == MI_OK) { return true; } else { return false;}
}
//===================================================================================
bool RFID_readCardSerial(){
uint8_t status;
uint8_t str[MAX_LEN];
// Anti-collision, return card serial number 4 bytes
status = RFID_anticoll(str);
memcpy(serNum, str, 5);
if (status == MI_OK) { return true; } else { return false;}
}
//===================================================================================
void RFID_init()
{
HAL_GPIO_WritePin(GPIOC, GPIO_PIN_7, 1);
RFID_reset();
//Timer: TPrescaler*TreloadVal/6.78MHz = 24ms
RFID_writeMFRC522(TModeReg, 0x8D); //Tauto=1; f(Timer) = 6.78MHz/TPreScaler
RFID_writeMFRC522(TPrescalerReg, 0x3E); //TModeReg[3..0] + TPrescalerReg
RFID_writeMFRC522(TReloadRegL, 30);
RFID_writeMFRC522(TReloadRegH, 0);
RFID_writeMFRC522(TxAutoReg, 0x40); //100%ASK
RFID_writeMFRC522(ModeReg, 0x3D); // CRC initial value : 0x6363
//RFID_clearBitMask(Status2Reg, 0x08); //MFCrypto1On=0
//RFID_writeMFRC522(RxSelReg, 0x86); //RxWait = RxSelReg[5..0]
//RFID_writeMFRC522(RFCfgReg, 0x7F); //RxGain = 48dB
RFID_antennaOn();
}
//===================================================================================
void RFID_reset()
{
RFID_writeMFRC522(CommandReg, PCD_RESETPHASE);
}
//===================================================================================
void RFID_writeMFRC522(uint8_t addr, uint8_t val)
{
HAL_GPIO_WritePin(GPIOA, GPIO_PIN_4, 0);
spi1Transfer((addr<<1)&0x7E); // Address Format :0XXXXXX0
spi1Transfer(val);
HAL_GPIO_WritePin(GPIOA, GPIO_PIN_4, 1);
}
//===================================================================================
void RFID_antennaOn(void)
{
uint8_t temp;
temp = RFID_readMFRC522(TxControlReg);
if (!(temp & 0x03))
{
RFID_setBitMask(TxControlReg, 0x03);
}
}
//===================================================================================
uint8_t RFID_readMFRC522(uint8_t addr)
{
uint8_t val;
HAL_GPIO_WritePin(GPIOA, GPIO_PIN_4, 0);
spi1Transfer(((addr<<1)&0x7E) | 0x80); // Address Format :1XXXXXX0
val = spi1Transfer(0x00); // push ('write to read')
HAL_GPIO_WritePin(GPIOA, GPIO_PIN_4, 1);
return val;
}
//===================================================================================
void RFID_setBitMask(uint8_t reg, uint8_t mask)
{
uint8_t tmp;
tmp = RFID_readMFRC522(reg);
RFID_writeMFRC522(reg, tmp | mask); // set bit mask
}
//===================================================================================
void RFID_clearBitMask(uint8_t reg, uint8_t mask)
{
uint8_t tmp;
tmp = RFID_readMFRC522(reg);
RFID_writeMFRC522(reg, tmp & (~mask)); // clear bit mask
}
//===================================================================================
/*
* Function Name : CalulateCRC
* Description: CRC calculation with MF522
* Input parameters : pIndata - To read the CRC data , len - the data length , pOutData - CRC calculation results
* Return value: None
*/
void RFID_calculateCRC(uint8_t *pIndata, uint8_t len, uint8_t *pOutData)
{
uint8_t i, n;
RFID_clearBitMask(DivIrqReg, 0x04); //CRCIrq = 0
RFID_setBitMask(FIFOLevelReg, 0x80); // FIFO
//Write_MFRC522(CommandReg, PCD_IDLE);
// Write data to the FIFO
for (i=0; i<len; i++)
{
RFID_writeMFRC522(FIFODataReg, *(pIndata+i));
}
RFID_writeMFRC522(CommandReg, PCD_CALCCRC);
// Read the CRC calculation result
i = 0xFF;
do
{
n = RFID_readMFRC522(DivIrqReg);
i--;
}
while ((i!=0) && !(n&0x04)); //CRCIrq = 1
// Read the CRC calculation result
pOutData[0] = RFID_readMFRC522(CRCResultRegL);
pOutData[1] = RFID_readMFRC522(CRCResultRegM);
}
//===================================================================================
/*
* Function Name : RFID_MFRC522ToCard
* Description : RC522 and ISO14443 card communication
* Input Parameters : command - MF522 command word,
* SendData - RC522 sent to the card via the data
* SendLen - length of data sent
* BackData - received the card returns data,
* BackLen - return data bit length
* Return value: the successful return MI_OK
*/
uint8_t RFID_MFRC522ToCard(uint8_t command, uint8_t *sendData, uint8_t sendLen, uint8_t *backData, uint32_t *backLen)
{
uint8_t status = MI_ERR;
uint8_t irqEn = 0x00;
uint8_t waitIRq = 0x00;
uint8_t lastBits;
uint8_t n;
uint32_t i;
switch (command)
{
case PCD_AUTHENT: // certification cards close
{
irqEn = 0x12;
waitIRq = 0x10;
break;
}
case PCD_TRANSCEIVE: // transmit FIFO data
{
irqEn = 0x77;
waitIRq = 0x30;
break;
}
default:
break;
}
RFID_writeMFRC522(CommIEnReg, irqEn|0x80); // enable interrupt request
RFID_clearBitMask(CommIrqReg, 0x80); // clear all interrupt request bit
RFID_setBitMask(FIFOLevelReg, 0x80); // FlushBuffer = 1, FIFO initialization
RFID_writeMFRC522(CommandReg, PCD_IDLE); // NO action --> cancel the current command
// Write data to the FIFO
for (i=0; i<sendLen; i++)
{
RFID_writeMFRC522(FIFODataReg, sendData[i]);
}
// Execute the command
RFID_writeMFRC522(CommandReg, command);
if (command == PCD_TRANSCEIVE)
{
RFID_setBitMask(BitFramingReg, 0x80); //StartSend=1,transmission of data starts
}
// Wait for completion of receiving data
i = 2000; // i according to the clock frequency adjustment , the operator M1 card maximum waiting time 25ms???
do
{
//CommIrqReg[7..0]
//Set1 TxIRq RxIRq IdleIRq HiAlerIRq LoAlertIRq ErrIRq TimerIRq
n = RFID_readMFRC522(CommIrqReg);
i--;
}
while ((i!=0) && !(n&0x01) && !(n&waitIRq));
RFID_clearBitMask(BitFramingReg, 0x80); //StartSend=0
if (i != 0)
{
if(!(RFID_readMFRC522(ErrorReg) & 0x1B)) //BufferOvfl Collerr CRCErr ProtecolErr
{
status = MI_OK;
if (n & irqEn & 0x01)
{
status = MI_NOTAGERR;
}
if (command == PCD_TRANSCEIVE)
{
n = RFID_readMFRC522(FIFOLevelReg);
lastBits = RFID_readMFRC522(ControlReg) & 0x07;
if (lastBits)
{
*backLen = (n-1)*8 + lastBits;
}
else
{
*backLen = n*8;
}
if (n == 0)
{
n = 1;
}
if (n > MAX_LEN)
{
n = MAX_LEN;
}
// Read the received data in FIFO
for (i=0; i<n; i++)
{
backData[i] = RFID_readMFRC522(FIFODataReg);
}
}
}
else
{
status = MI_ERR;
}
}
//RFID_setBitMask(ControlReg,0x80); //timer stops
//Write_MFRC522(CommandReg, PCD_IDLE);
return status;
}
//===================================================================================
/*
* Function Name : MFRC522_Request
* Description : Find cards , read the card type number
* Input parameters : reqMode - find cards way
* TagType - Return Card Type
* 0x4400 = Mifare_UltraLight
* 0x0400 = Mifare_One (S50)
* 0x0200 = Mifare_One (S70)
* 0x0800 = Mifare_Pro (X)
* 0x4403 = Mifare_DESFire
* Return value: the successful return MI_OK
*/
uint8_t RFID_MFRC522Request(uint8_t reqMode, uint8_t *TagType)
{
uint8_t status;
uint32_t backBits; // received data bits
RFID_writeMFRC522(BitFramingReg, 0x07); //TxLastBists = BitFramingReg[2..0]
TagType[0] = reqMode;
status = RFID_MFRC522ToCard(PCD_TRANSCEIVE, TagType, 1, TagType, &backBits);
if ((status != MI_OK) || (backBits != 0x10))
{
status = MI_ERR;
}
return status;
}
//===================================================================================
/**
* Function Name : RFID_anticoll
* Description : Anti- collision detection , reading selected card serial number card
* Input parameters : serNum - returns 4 bytes card serial number , the first 5 bytes for the checksum byte
* Return value: the successful return MI_OK
*/
uint8_t RFID_anticoll(uint8_t *serNum)
{
uint8_t status;
uint8_t i;
uint8_t serNumCheck=0;
uint32_t unLen;
//RFID_clearBitMask(Status2Reg, 0x08); //TempSensclear
//RFID_clearBitMask(CollReg,0x80); //ValuesAfterColl
RFID_writeMFRC522(BitFramingReg, 0x00); //TxLastBists = BitFramingReg[2..0]
serNum[0] = PICC_ANTICOLL;
serNum[1] = 0x20;
status = RFID_MFRC522ToCard(PCD_TRANSCEIVE, serNum, 2, serNum, &unLen);
if (status == MI_OK)
{
// Check Card Serial Number
for (i=0; i<4; i++)
{
serNumCheck ^= serNum[i];
}
if (serNumCheck != serNum[i])
{
status = MI_ERR;
}
}
//RFID_setBitMask(CollReg, 0x80); //ValuesAfterColl=1
return status;
}
//===================================================================================
/*
* Function Name : RFID_auth
* Description : Verify card password
* Input parameters : authMode - Password Authentication Mode
0x60 = A key authentication
0x61 = B key authentication
BlockAddr - block address
Sectorkey - Sector password
serNum - card serial number, 4-byte
* Return value: the successful return MI_OK
*/
uint8_t RFID_auth(uint8_t authMode, uint8_t BlockAddr, uint8_t *Sectorkey, uint8_t *serNum)
{
uint8_t status;
uint32_t recvBits;
uint8_t i;
uint8_t buff[12];
// Validate instruction block address + sector + password + card serial number
buff[0] = authMode;
buff[1] = BlockAddr;
for (i=0; i<6; i++)
{
buff[i+2] = *(Sectorkey+i);
}
for (i=0; i<4; i++)
{
buff[i+8] = *(serNum+i);
}
status = RFID_MFRC522ToCard(PCD_AUTHENT, buff, 12, buff, &recvBits);
if ((status != MI_OK) || (!(RFID_readMFRC522(Status2Reg) & 0x08)))
{
status = MI_ERR;
}
return status;
}
//===================================================================================
/*
* Function Name : RFID_readBlock
* Description : Read block data
* Input parameters : blockAddr - block address ; recvData - read block data
* Return value: the successful return MI_OK
*/
uint8_t RFID_readBlock(uint8_t blockAddr, uint8_t *recvData)
{
uint8_t status;
uint32_t unLen;
recvData[0] = PICC_READ;
recvData[1] = blockAddr;
RFID_calculateCRC(recvData,2, &recvData[2]);
status = RFID_MFRC522ToCard(PCD_TRANSCEIVE, recvData, 4, recvData, &unLen);
if ((status != MI_OK) || (unLen != 0x90))
{
status = MI_ERR;
}
return status;
}
//===================================================================================
/*
* Function Name : RFID_writeBlock
* Description : Write block data
* Input parameters : blockAddr - block address ; writeData - to 16-byte data block write
* Return value: the successful return MI_OK
*/
uint8_t RFID_writeBlock(uint8_t blockAddr, uint8_t *writeData)
{
uint8_t status;
uint32_t recvBits;
uint8_t i;
uint8_t buff[18];
buff[0] = PICC_WRITE;
buff[1] = blockAddr;
RFID_calculateCRC(buff, 2, &buff[2]);
status = RFID_MFRC522ToCard(PCD_TRANSCEIVE, buff, 4, buff, &recvBits);
if ((status != MI_OK) || (recvBits != 4) || ((buff[0] & 0x0F) != 0x0A))
{
status = MI_ERR;
}
if (status == MI_OK)
{
for (i=0; i<16; i++) // FIFO 16 bytes
{
buff[i] = *(writeData+i);
}
RFID_calculateCRC(buff, 16, &buff[16]);
status = RFID_MFRC522ToCard(PCD_TRANSCEIVE, buff, 18, buff, &recvBits);
if ((status != MI_OK) || (recvBits != 4) || ((buff[0] & 0x0F) != 0x0A))
{
status = MI_ERR;
}
}
return status;
}
//===================================================================================
/*
* Function Name : RFID_halt
* Description : Command card into hibernation
* Input: None
* Return value: None
*/
void RFID_halt()
{
uint32_t unLen;
uint8_t buff[4];
buff[0] = PICC_HALT;
buff[1] = 0;
RFID_calculateCRC(buff, 2, &buff[2]);
RFID_MFRC522ToCard(PCD_TRANSCEIVE, buff, 4, buff,&unLen);
}
//===================================================================================
// END OF FILE
//===================================================================================
main_mfrc522.c
#include "main.h"
#include "rfid.h"
int cards[][5] = {{117, 222, 140, 171, 140},{163, 134, 92, 178, 203}};
bool acces = false ;
extern uint8_t rec_buf2[NB_CAR_TO_RECEIVE+1]; // defined in drv_uart.c
//=========================================================
// >>>>>>>>>>>> MAIN <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
//=========================================================
int main(void)
{
HAL_Init();
SystemClock_Config();
uart2_Init();
spi1Init();
RFID_powerOn();
HAL_Delay(500);
RFID_init();
while(1)
{
if( RFID_isCard() )
{
if(RFID_readCardSerial())
{
term_printf("SERIAL NUMBER : %d %d %d %d %d \n\r", serNum[0],serNum[1],serNum[2],serNum[3],serNum[4]);
for ( uint8_t x = 0; x < sizeof(cards); x++)
{
for (uint8_t i = 0; i < sizeof(serNum); i++ )
{
if (serNum[i] != cards[x][i])
{
acces = false;
break;
}
else
{
acces = true;
}
}
if (acces) break;
}
}
}
if (acces)
{
term_printf(" WELCOME \n\r");
HAL_Delay(3000);
acces = false;
}
else
{
}
HAL_Delay(200);
RFID_halt();
} // END WHILE
return 0;
}
//=================================================================
// UART RECEIVE CALLBACK5
//=================================================================
void HAL_UART_RxCpltCallback(UART_HandleTypeDef *UartHandle)
{
if(UartHandle -> Instance == USART2)
{
HAL_UART_Receive_IT(&Uart2Handle, (uint8_t *)rec_buf2, NB_CAR_TO_RECEIVE);
}
}