,

Módulo RC522 RFID para Arduino Keyestudio

REF: KS0067


O módulo MF522-AN apresenta o design do chip de circuito do leitor original MFRC522, da Philips. É fácil de usar, tem um baixo custo e é adequado para desenvolvimento de equipamentos e aplicações. Pode ser carregado diretamente numa grande variedade de módulos de leitura. Utiliza uma tensão de 3.3V.

7,97 IVA INCL.

Módulo RC522 RFID para Arduino Keyestudio

Current :13-26mA / DC 3.3V
Idle Current :10-13mA / DC 3.3V
Sleep current: <80uA
Peak current: <30mA Operating Frequency: 13.56MHz Supported card types: mifare1 S50, mifare1 S70, mifare UltraLight, mifare Pro, mifare Desfire ×60mm mce_style=”BACKGROUND-COLOR: #fff”>Product Physical Characteristics: Dimensions: 40mm × 60mm
Environmental Operating temperature: -20-80 degrees Celsius
Environment Storage temperature: -40-85 degrees Celsius
Relative Humidity: 5% -95%

REF: KS0067 Categorias: , Etiquetas: , ,
Marca

#include 
#define	uchar	unsigned char
#define	uint	unsigned int
#define MAX_LEN 16
const int chipSelectPin = 10;//if the controller is UNO,328,168
const int NRSTPD = 5;

//MF522command word
#define PCD_IDLE              0x00               //NO action; cancel current command
#define PCD_AUTHENT           0x0E               //verify key
#define PCD_RECEIVE           0x08               //receive data

#define PCD_TRANSMIT          0x04               //send data
#define PCD_TRANSCEIVE        0x0C               //receive and send data
#define PCD_RESETPHASE        0x0F               //reset
#define PCD_CALCCRC           0x03               //CRC calculation

//Mifare_One Card command word
#define PICC_REQIDL           0x26               // line-tracking area is dormant #define PICC_REQALL           0x52                     //line-tracking area is interfered
#define PICC_ANTICOLL         0x93               //Anti collision
#define PICC_SElECTTAG        0x93               //choose cards
#define PICC_AUTHENT1A        0x60               //Verify A key
#define PICC_AUTHENT1B        0x61               //Verify B key
#define PICC_READ             0x30               // Reader Module 
#define PICC_WRITE            0xA0               // letter block

#define PICC_DECREMENT        0xC0               
#define PICC_INCREMENT        0xC1               
#define PICC_RESTORE          0xC2               //Transfer data to buffer
#define PICC_TRANSFER         0xB0               //Save buffer data
#define PICC_HALT             0x50               //Dormancy


//MF522 Error code returned when communication
#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
uchar serNum[5];
uchar  writeDate[16] ={'T', 'e', 'n', 'g', ' ', 'B', 'o', 0, 0, 0, 0, 0, 0, 0, 0,0};

uchar sectorKeyA[16][16] = {{0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF},
                             {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF},
                             {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF},
                            };
 uchar sectorNewKeyA[16][16] = {{0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF},
                                {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xff,0x07,0x80,0x69, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF},
                                {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xff,0x07,0x80,0x69, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF},
                               };

void setup() {                
   Serial.begin(9600);                       // RFID reader SOUT pin connected to Serial RX pin at 2400bps 
 // start the SPI library:
  SPI.begin();
  
  pinMode(chipSelectPin,OUTPUT);             // Set digital pin 10 as OUTPUT to connect it to the RFID /ENABLE pin 
    digitalWrite(chipSelectPin, LOW);          // Activate the RFID reader
  pinMode(NRSTPD,OUTPUT);               // Set digital pin 10 , Not Reset and Power-down
digitalWrite(NRSTPD, HIGH);


  MFRC522_Init();  
}

void loop()
{
  	uchar i,tmp;
  uchar status;
        uchar str[MAX_LEN];
        uchar RC_size;
        uchar blockAddr;	//Select the address of the operation 0~63


    // searching card, return card type	
    status = MFRC522_Request(PICC_REQIDL, str);	
    if (status == MI_OK)
    {
    }

    
    status = MFRC522_Anticoll(str);
    memcpy(serNum, str, 5);
    if (status == MI_OK)
    {
                        Serial.println("The card's number is  : ");
      Serial.print(serNum[0],BIN);
      Serial.print(serNum[1],BIN);
      Serial.print(serNum[2],BIN);
      Serial.print(serNum[3],BIN);
      Serial.print(serNum[4],BIN);
                        Serial.println(" ");
    }

    // select card, return card capacity
    RC_size = MFRC522_SelectTag(serNum);
    if (RC_size != 0)
    {}
                
    // write data card
    blockAddr = 7;		// data block 7		
    status = MFRC522_Auth(PICC_AUTHENT1A, blockAddr, sectorKeyA[blockAddr/4], serNum);	// authentication 
    if (status == MI_OK)

    {
      // write data
      status = MFRC522_Write(blockAddr, sectorNewKeyA[blockAddr/4]);
                        Serial.print("set the new card password, and can modify the data of the Sector: ");
                        Serial.print(blockAddr/4,DEC);
   
                        // write data
                        blockAddr = blockAddr - 3 ; 
                        status = MFRC522_Write(blockAddr, writeDate);
                        if(status == MI_OK)
                        {
                           Serial.println("OK!");
                        }
    }

    // read card
    blockAddr = 7;		// data block 7		
    status = MFRC522_Auth(PICC_AUTHENT1A, blockAddr, 

sectorNewKeyA[blockAddr/4], serNum);	// authentication 
    if (status == MI_OK)
    {
      // read data
                        blockAddr = blockAddr - 3 ; 
                        status = MFRC522_Read(blockAddr, str);
      if (status == MI_OK)
      {
                                Serial.println("Read from the card ,the data is : ");
        for (i=0; i<16; i++)
        {
              			      Serial.print(str[i]);
        }
                                Serial.println(" ");
      }
    }
                Serial.println(" ");
    MFRC522_Halt();			// command card into sleeping mode              
          
}

void Write_MFRC522(uchar addr, uchar val)

{
  digitalWrite(chipSelectPin, LOW);

  SPI.transfer((addr<<1)&0x7E);	
  SPI.transfer(val);
  
  digitalWrite(chipSelectPin, HIGH);
}


uchar Read_MFRC522(uchar addr)
{
  uchar val;

  digitalWrite(chipSelectPin, LOW);

  //address format: 1XXXXXX0
  SPI.transfer(((addr<<1)&0x7E) | 0x80);	
  val =SPI.transfer(0x00);
  

  digitalWrite(chipSelectPin, HIGH);
  
  return val;	
}


void SetBitMask(uchar reg, uchar mask)  
{
    uchar tmp;
    tmp = Read_MFRC522(reg);
    Write_MFRC522(reg, tmp | mask);  // set bit mask
}



void ClearBitMask(uchar reg, uchar mask)  
{
    uchar tmp;
    tmp = Read_MFRC522(reg);
    Write_MFRC522(reg, tmp & (~mask));  // clear bit mask
} 

void AntennaOn(void)
{
  uchar temp;

  temp = Read_MFRC522(TxControlReg);
  if (!(temp & 0x03))
  {
    SetBitMask(TxControlReg, 0x03);
  }
}

void AntennaOff(void)
{
  ClearBitMask(TxControlReg, 0x03);
}

void MFRC522_Reset(void)
{

    Write_MFRC522(CommandReg, PCD_RESETPHASE);
}

void MFRC522_Init(void)
{
  digitalWrite(NRSTPD,HIGH);

  MFRC522_Reset();
   	
  //Timer: TPrescaler*TreloadVal/6.78MHz = 24ms
    Write_MFRC522(TModeReg, 0x8D);		//Tauto=1; f(Timer) = 6.78MHz/TPreScaler
    Write_MFRC522(TPrescalerReg, 0x3E);	//TModeReg[3..0] + TPrescalerReg
    Write_MFRC522(TReloadRegL, 30);           
    Write_MFRC522(TReloadRegH, 0);
  
  Write_MFRC522(TxAutoReg, 0x40);		//100%ASK
  Write_MFRC522(ModeReg, 0x3D);		//CRC original value 0x6363	???

  AntennaOn();		// open antenna 
}
uchar MFRC522_Request(uchar reqMode, uchar *TagType)
{
  uchar status;  

  uint backBits;			// bits of data received
  Write_MFRC522(BitFramingReg, 0x07);		//TxLastBists = BitFramingReg[2..0]	???
  
  TagType[0] = reqMode;
  status = MFRC522_ToCard(PCD_TRANSCEIVE, TagType, 1, TagType, &backBits);

  if ((status != MI_OK) || (backBits != 0x10))
  {    
    status = MI_ERR;
  }
   
  return status;
}

uchar MFRC522_ToCard(uchar command, uchar *sendData, uchar sendLen, uchar *backData, uint *backLen)
{
    uchar status = MI_ERR;
uchar irqEn = 0x00;

    uchar waitIRq = 0x00;
    uchar lastBits;
    uchar n;
    uint i;

    switch (command)
    {
        case PCD_AUTHENT:		// card key authentication 
    {
      irqEn = 0x12;
      waitIRq = 0x10;
      break;
    }
    case PCD_TRANSCEIVE:	// send data in FIFO
    {
      irqEn = 0x77;
      waitIRq = 0x30;
      break;
    }
    default:
      break;
    }
   
    Write_MFRC522(CommIEnReg, irqEn|0x80);	// permission for interrupt request
    ClearBitMask(CommIrqReg, 0x80);			// clear all bits of the interrupt request 
    SetBitMask(FIFOLevelReg, 0x80);			//FlushBuffer=1, FIFO initialize
    
  Write_MFRC522(CommandReg, PCD_IDLE);	//NO action; clear current command	???

  // write data into FIFO
    for (i=0; i<sendLen; i++) { Write_MFRC522(FIFODataReg, sendData[i]); } // execute command Write_MFRC522(CommandReg, command); if (command == PCD_TRANSCEIVE) { SetBitMask(BitFramingReg, 0x80); //StartSend=1,transmission of data starts } // wait for the completion of data transmission i = 2000; // adjust i according to clock frequency, max wait time for M1 card operation 25ms ??? do { //CommIrqReg[7..0] //Set1 TxIRq RxIRq IdleIRq HiAlerIRq LoAlertIRq ErrIRq TimerIRq n = Read_MFRC522(CommIrqReg); i--; } while ((i!=0) && !(n&0x01) && !(n&waitIRq)); ClearBitMask(BitFramingReg, 0x80); //StartSend=0 if (i != 0) { if(!(Read_MFRC522(ErrorReg) & 0x1B)) //BufferOvfl Collerr CRCErr ProtecolErr { status = MI_OK; if (n & irqEn & 0x01) { status = MI_NOTAGERR; //?? } if (command == PCD_TRANSCEIVE) { n = Read_MFRC522(FIFOLevelReg); lastBits = Read_MFRC522(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 data received in FIFO
                for (i=0; i<n; i++)
                {   
          backData[i] = Read_MFRC522(FIFODataReg);    
        }
            }
        }
        else
        {   
      status = MI_ERR;  
    }
        
    }
  
    //SetBitMask(ControlReg,0x80);           //timer stops
    //Write_MFRC522(CommandReg, PCD_IDLE); 


    return status;
}

uchar MFRC522_Anticoll(uchar *serNum)
{
    uchar status;
    uchar i;
  uchar serNumCheck=0;
    uint unLen;
    
  Write_MFRC522(BitFramingReg, 0x00);		//TxLastBists = BitFramingReg[2..0]
 
    serNum[0] = PICC_ANTICOLL;
    serNum[1] = 0x20;
    status = MFRC522_ToCard(PCD_TRANSCEIVE, serNum, 2, serNum, &unLen);

    if (status == MI_OK)
  {
    // verify card sequence number
    for (i=0; i<4; i++)
    {   

     	serNumCheck ^= serNum[i];
    }
    if (serNumCheck != serNum[i])
    {   
      status = MI_ERR;    
    }
    }

    //SetBitMask(CollReg, 0x80);		//ValuesAfterColl=1

    return status;
} 

void CalulateCRC(uchar *pIndata, uchar len, uchar *pOutData)
{
    uchar i, n;

    ClearBitMask(DivIrqReg, 0x04);			//CRCIrq = 0
    SetBitMask(FIFOLevelReg, 0x80);			// clear FIFO pointer
    //Write_MFRC522(CommandReg, PCD_IDLE);

  // write data into FIFO	
    for (i=0; i<len; i++)
    {   
    Write_MFRC522(FIFODataReg, *(pIndata+i));   
  }
    Write_MFRC522(CommandReg, PCD_CALCCRC);

  // wait for completion of CRC calculation 
    i = 0xFF;
    do 
    {
        n = Read_MFRC522(DivIrqReg);
        i--;
    }
    while ((i!=0) && !(n&0x04));			//CRCIrq = 1

  // read result from CRC calculation
    pOutData[0] = Read_MFRC522(CRCResultRegL);
    pOutData[1] = Read_MFRC522(CRCResultRegM);
}


uchar MFRC522_SelectTag(uchar *serNum)
{
    uchar i;
  uchar status;
  uchar size;
    uint recvBits;
    uchar buffer[9]; 

  //ClearBitMask(Status2Reg, 0x08);			//MFCrypto1On=0

    buffer[0] = PICC_SElECTTAG;
    buffer[1] = 0x70;
    for (i=0; i<5; i++)
    {
    	buffer[i+2] = *(serNum+i);
    }
  CalulateCRC(buffer, 7, &buffer[7]);		//??
    status = MFRC522_ToCard(PCD_TRANSCEIVE, buffer, 9, buffer, &recvBits);
    
if ((status == MI_OK) && (recvBits == 0x18))

    {   
    size = buffer[0]; 
  }
    else
    {   
    size = 0;    
  }

    return size;
}

uchar MFRC522_Auth(uchar authMode, uchar BlockAddr, uchar *Sectorkey, uchar *serNum)
{
    uchar status;
    uint recvBits;
    uchar i;
  uchar buff[12]; 

  // Verification instructions + block address + sector password + card sequence 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 = MFRC522_ToCard(PCD_AUTHENT, buff, 12, buff, &recvBits);

    if ((status != MI_OK) || (!(Read_MFRC522(Status2Reg) & 0x08)))
    {   
    status = MI_ERR;   
  }
    
    return status;
}

uchar MFRC522_Read(uchar blockAddr, uchar *recvData)
{

    uchar status;
    uint unLen;

    recvData[0] = PICC_READ;
    recvData[1] = blockAddr;
    CalulateCRC(recvData,2, &recvData[2]);
    status = MFRC522_ToCard(PCD_TRANSCEIVE, recvData, 4, recvData, &unLen);

    if ((status != MI_OK) || (unLen != 0x90))
    {
        status = MI_ERR;
    }
    
    return status;
}

uchar MFRC522_Write(uchar blockAddr, uchar *writeData)
{
    uchar status;
    uint recvBits;
    uchar i;
  uchar buff[18]; 
    

    buff[0] = PICC_WRITE;
    buff[1] = blockAddr;
    CalulateCRC(buff, 2, &buff[2]);
    status = MFRC522_ToCard(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++)		// write 16Byte data into FIFO
        {    
        	buff[i] = *(writeData+i);   
        }
        CalulateCRC(buff, 16, &buff[16]);
        status = MFRC522_ToCard(PCD_TRANSCEIVE, buff, 18, buff, &recvBits);
        
    if ((status != MI_OK) || (recvBits != 4) || ((buff[0] & 0x0F) != 0x0A))
        {   
      status = MI_ERR;   
    }
    }
    
    return status;
}

void MFRC522_Halt(void)
{
  uchar status;
    uint unLen;
    uchar buff[4]; 

    buff[0] = PICC_HALT;
    buff[1] = 0;
    CalulateCRC(buff, 2, &buff[2]);
 
    status = MFRC522_ToCard(PCD_TRANSCEIVE, buff, 4, buff,&unLen);
}

 

Baseada em 0 avaliações

0.0 pontuação
0
0
0
0
0

Seja o primeiro a avaliar “Módulo RC522 RFID para Arduino Keyestudio”

Não há comentários ainda.

Também pode gostar…