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Lecture de 2 tags RFID MIFARE RC522
Basé sur le source www.electrodragon.com
Chaque reconnaissance de Tag affiche une led et joue un son différent.
Je cherche encore à programmer l'écriture dans la carte ...
/* * Name：RFID.pde * Create：www.electrodragon.com * Create date：2011.09.19 * Function：Mifare1 searching card →prevent conflict→ select card →read write pins */
#include <SPI.h> #include <LiquidCrystal.h> #define uchar unsigned char #define uint unsigned int //data array maxium length #define MAX_LEN 16 ///////////////////////////////////////////////////////////////////// //set the pin ///////////////////////////////////////////////////////////////////// const int chipSelectPin = 53; const int NRSTPD = 22; // Son const int speakerPin = 44; const int length = 15; // the number of notes const char notes1[] = "ccggaagffeeddc "; // a space represents a rest const int beats1[] = { 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 2, 4 }; const char notes2[] = "afgerdssedgfde "; // a space represents a rest const int beats2[] = { 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 2, 4 }; const int tempo = 80; //MF522 command bits #define PCD_IDLE 0x00 //NO action; cancel current commands #define PCD_AUTHENT 0x0E //verify password key #define PCD_RECEIVE 0x08 //receive data #define PCD_TRANSMIT 0x04 //send data #define PCD_TRANSCEIVE 0x0C //send and receive data #define PCD_RESETPHASE 0x0F //reset #define PCD_CALCCRC 0x03 //CRC check and caculation //Mifare_One card command bits #define PICC_REQIDL 0x26 //Search the cards that not into sleep mode in the antenna area #define PICC_REQALL 0x52 //Search all the cards in the antenna area #define PICC_ANTICOLL 0x93 //prevent conflict #define PICC_SElECTTAG 0x93 //select card #define PICC_AUTHENT1A 0x60 //verify A password key #define PICC_AUTHENT1B 0x61 //verify B password key #define PICC_READ 0x30 //read #define PICC_WRITE 0xA0 //write #define PICC_DECREMENT 0xC0 //deduct value #define PICC_INCREMENT 0xC1 //charge up value #define PICC_RESTORE 0xC2 //Restore data into buffer #define PICC_TRANSFER 0xB0 //Save data into buffer #define PICC_HALT 0x50 //sleep mode //THe mistake code that return when communicate with MF522 #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 //----------------------------------------------- //4 bytes Serial number of card, the 5 bytes is verfiy bytes uchar serNum[5]; // initialize the library with the numbers of the interface pins LiquidCrystal lcd(8, 13, 9, 4, 5, 6, 7); // --------------- // Fonction SETUP // --------------- 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); pinMode(43,OUTPUT); // Led pinMode(47,OUTPUT); pinMode(speakerPin, OUTPUT); MFRC522_Init(); // Affichage message d'accueil lcd.begin(16,2); // Initialisation LCD colonnes / lignes lcd.write("Portail RFID..."); delay(500); lcd.setCursor(0,1); lcd.write("Pret"); } // ----------------- // Boucle Principale // ----------------- void loop() { uchar i,tmp; uchar status; uchar str[MAX_LEN]; uchar RC_size; uchar blockAddr; //Select operation buck address 0 - 63 String mynum = ""; //Search card, return card types status = MFRC522_Request(PICC_REQIDL, str); if (status == MI_OK) { Serial.println("Card detected"); Serial.print(str[0],BIN); Serial.print(" , "); Serial.print(str[1],BIN); Serial.println(" "); } //Prevent conflict, return the 4 bytes Serial number of the card status = MFRC522_Anticoll(str); memcpy(serNum, str, 5); if (status == MI_OK) { Serial.println("Carte numero : "); Serial.print(serNum[0]); Serial.print(" , "); Serial.print(serNum[1],BIN); Serial.print(" , "); Serial.print(serNum[2],BIN); Serial.print(" , "); Serial.print(serNum[3],BIN); Serial.print(" , "); Serial.print(serNum[4],BIN); Serial.println(" "); // Should really check all pairs, but for now we'll just use the first switch(serNum[0]) { case 181 : Serial.println("Bonjour Marine"); lcd.setCursor(0,1); lcd.write("Salut Marine "); digitalWrite(47,HIGH); PlaySong(1); break; case 253 : Serial.println("Bonjour Christian"); lcd.setCursor(0,1); lcd.write("Salut Christian"); digitalWrite(43,HIGH); PlaySong(2); break; } delay(500); digitalWrite(47,LOW); digitalWrite(43,LOW); lcd.setCursor(0,1); lcd.write("Pret "); } MFRC522_Halt(); //command the card into sleep mode } /* * Function：Write_MFRC5200 * Description：write a byte data into one register of MR RC522 * Input parameter：addr--register address；val--the value that need to write in * Return：Null */ void Write_MFRC522(uchar addr, uchar val) { digitalWrite(chipSelectPin, LOW); //address format：0XXXXXX0 SPI.transfer((addr<<1)&0x7E); SPI.transfer(val); digitalWrite(chipSelectPin, HIGH); } /* * Function：Read_MFRC522 * Description：read a byte data into one register of MR RC522 * Input parameter：addr--register address * Return：return the read value */ 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; } /* * Function：SetBitMask * Description：set RC522 register bit * Input parameter：reg--register address;mask--value * Return：null */ void SetBitMask(uchar reg, uchar mask) { uchar tmp; tmp = Read_MFRC522(reg); Write_MFRC522(reg, tmp | mask); // set bit mask } /* * Function：ClearBitMask * Description：clear RC522 register bit * Input parameter：reg--register address;mask--value * Return：null */ void ClearBitMask(uchar reg, uchar mask) { uchar tmp; tmp = Read_MFRC522(reg); Write_MFRC522(reg, tmp & (~mask)); // clear bit mask } /* * Function：AntennaOn * Description：Turn on antenna, every time turn on or shut down antenna need at least 1ms delay * Input parameter：null * Return：null */ void AntennaOn(void) { uchar temp; temp = Read_MFRC522(TxControlReg); if (!(temp & 0x03)) { SetBitMask(TxControlReg, 0x03); } } /* * Function：AntennaOff * Description：Turn off antenna, every time turn on or shut down antenna need at least 1ms delay * Input parameter：null * Return：null */ void AntennaOff(void) { ClearBitMask(TxControlReg, 0x03); } /* * Function：ResetMFRC522 * Description： reset RC522 * Input parameter：null * Return：null */ void MFRC522_Reset(void) { Write_MFRC522(CommandReg, PCD_RESETPHASE); } /* * Function：InitMFRC522 * Description：initilize RC522 * Input parameter：null * Return：null */ 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 initilizate value 0x6363 ??? //ClearBitMask(Status2Reg, 0x08); //MFCrypto1On=0 //Write_MFRC522(RxSelReg, 0x86); //RxWait = RxSelReg[5..0] //Write_MFRC522(RFCfgReg, 0x7F); //RxGain = 48dB AntennaOn(); //turn on antenna } /* * Function：MFRC522_Request * Description：Searching card, read card type * Input parameter：reqMode--search methods， * TagType--return card types * 0x4400 = Mifare_UltraLight * 0x0400 = Mifare_One(S50) * 0x0200 = Mifare_One(S70) * 0x0800 = Mifare_Pro(X) * 0x4403 = Mifare_DESFire * return：return MI_OK if successed */ uchar MFRC522_Request(uchar reqMode, uchar *TagType) { uchar status; uint backBits; //the data bits that 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; } /* * Function：MFRC522_ToCard * Description：communicate between RC522 and ISO14443 * Input parameter：command--MF522 command bits * sendData--send data to card via rc522 * sendLen--send data length * backData--the return data from card * backLen--the length of return data * return：return MI_OK if successed */ 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: //verify card password { irqEn = 0x12; waitIRq = 0x10; break; } case PCD_TRANSCEIVE: //send data in the FIFO { irqEn = 0x77; waitIRq = 0x30; break; } default: break; } Write_MFRC522(CommIEnReg, irqEn|0x80); //Allow interruption ClearBitMask(CommIrqReg, 0x80); //Clear all the interrupt bits SetBitMask(FIFOLevelReg, 0x80); //FlushBuffer=1, FIFO initilizate Write_MFRC522(CommandReg, PCD_IDLE); //NO action;cancel current command ??? //write data into FIFO for (i=0; i<sendLen; i++) { Write_MFRC522(FIFODataReg, sendData[i]); } //procceed it Write_MFRC522(CommandReg, command); if (command == PCD_TRANSCEIVE) { SetBitMask(BitFramingReg, 0x80); //StartSend=1,transmission of data starts } //waite receive data is finished i = 2000; //i should adjust according the clock, the maxium the waiting time should be 25 ms??? 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 from 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; } /* * Function：MFRC522_Anticoll * Description：Prevent conflict, read the card serial number * Input parameter：serNum--return the 4 bytes card serial number, the 5th byte is recheck byte * return：return MI_OK if successed */ uchar MFRC522_Anticoll(uchar *serNum) { uchar status; uchar i; uchar serNumCheck=0; uint unLen; //ClearBitMask(Status2Reg, 0x08); //TempSensclear //ClearBitMask(CollReg,0x80); //ValuesAfterColl 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 serial number for (i=0; i<4; i++) { serNumCheck ^= serNum[i]; } if (serNumCheck != serNum[i]) { status = MI_ERR; } } //SetBitMask(CollReg, 0x80); //ValuesAfterColl=1 return status; } /* * Function：CalulateCRC * Description：Use MF522 to caculate CRC * Input parameter：pIndata--the CRC data need to be read，len--data length，pOutData-- the caculated result of CRC * return：Null */ 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); //waite CRC caculation to finish i = 0xFF; do { n = Read_MFRC522(DivIrqReg); i--; } while ((i!=0) && !(n&0x04)); //CRCIrq = 1 //read CRC caculation result pOutData[0] = Read_MFRC522(CRCResultRegL); pOutData[1] = Read_MFRC522(CRCResultRegM); } /* * Function：MFRC522_SelectTag * Description：Select card, read card storage volume * Input parameter：serNum--Send card serial number * return：return the card storage volume */ 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; } /* * Function：MFRC522_Auth * Description：verify card password * Input parameters：authMode--password verify mode 0x60 = verify A passowrd key 0x61 = verify B passowrd key BlockAddr--Block address Sectorkey--Block password serNum--Card serial number ，4 bytes * return：return MI_OK if successed */ uchar MFRC522_Auth(uchar authMode, uchar BlockAddr, uchar *Sectorkey, uchar *serNum) { uchar status; uint recvBits; uchar i; uchar buff[12]; //Verify command + block address + buffer password + card SN 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; } /* * Function：MFRC522_Read * Description：Read data * Input parameters：blockAddr--block address;recvData--the block data which are read * return：return MI_OK if successed */ 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; } /* * Function：MFRC522_Write * Description：write block data * Input parameters：blockAddr--block address;writeData--Write 16 bytes data into block * return：return MI_OK if successed */ 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 16 bytes 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; } /* * Function：MFRC522_Halt * Description：Command the cards into sleep mode * Input parameters：null * return：null */ 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); }
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