146 lines
5.2 KiB
C
146 lines
5.2 KiB
C
/*
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File: Mfrc522.h
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Mfrc522 - Library for communicating with MFRC522 based NFC Reader/Writers
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Created by Eelco Rouw - Mainly based on code from Grant Gibson (www.grantgibson.co.uk) and Dr.Leong ( WWW.B2CQSHOP.COM )
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Lightly modified by Frank Milburn
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Lightly modified by Roy Bakker C++ --> C
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Released into the public domain
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*/
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#ifndef Mfrc522_h
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#define Mfrc522_h
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/*
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MFRC522 and Card specific defines. For the role of each define, please consult the datasheet.
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*/
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#define MAX_LEN 16
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//MF522 - Commands
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#define PCD_IDLE 0x00
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#define PCD_AUTHENT 0x0E
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#define PCD_RECEIVE 0x08
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#define PCD_TRANSMIT 0x04
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#define PCD_TRANSCEIVE 0x0C
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#define PCD_RESETPHASE 0x0F
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#define PCD_CALCCRC 0x03
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//Mifare_One - Commands
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#define PICC_REQIDL 0x26
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#define PICC_REQALL 0x52
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#define PICC_ANTICOLL 0x93
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#define PICC_SElECTTAG 0x93
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#define PICC_AUTHENT1A 0x60
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#define PICC_AUTHENT1B 0x61
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#define PICC_READ 0x30
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#define PICC_WRITE 0xA0
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#define PICC_DECREMENT 0xC0
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#define PICC_INCREMENT 0xC1
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#define PICC_RESTORE 0xC2
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#define PICC_TRANSFER 0xB0
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#define PICC_HALT 0x50
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//MF522 - Status
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#define MI_OK 0
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#define MI_NOTAGERR 1
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#define MI_ERR 2
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//MF522 - Registers
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//Page 0:Command and Status
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#define Reserved00 0x00
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#define CommandReg 0x01
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#define CommIEnReg 0x02
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#define DivlEnReg 0x03
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#define CommIrqReg 0x04
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#define DivIrqReg 0x05
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#define ErrorReg 0x06
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#define Status1Reg 0x07
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#define Status2Reg 0x08
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#define FIFODataReg 0x09
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#define FIFOLevelReg 0x0A
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#define WaterLevelReg 0x0B
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#define ControlReg 0x0C
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#define BitFramingReg 0x0D
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#define CollReg 0x0E
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#define Reserved01 0x0F
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//Page 1:Command
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#define Reserved10 0x10
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#define ModeReg 0x11
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#define TxModeReg 0x12
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#define RxModeReg 0x13
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#define TxControlReg 0x14
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#define TxAutoReg 0x15
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#define TxSelReg 0x16
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#define RxSelReg 0x17
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#define RxThresholdReg 0x18
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#define DemodReg 0x19
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#define Reserved11 0x1A
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#define Reserved12 0x1B
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#define MifareReg 0x1C
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#define Reserved13 0x1D
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#define Reserved14 0x1E
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#define SerialSpeedReg 0x1F
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//Page 2:CFG
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#define Reserved20 0x20
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#define CRCResultRegM 0x21
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#define CRCResultRegL 0x22
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#define Reserved21 0x23
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#define ModWidthReg 0x24
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#define Reserved22 0x25
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#define RFCfgReg 0x26
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#define GsNReg 0x27
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#define CWGsPReg 0x28
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#define ModGsPReg 0x29
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#define TModeReg 0x2A
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#define TPrescalerReg 0x2B
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#define TReloadRegH 0x2C
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#define TReloadRegL 0x2D
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#define TCounterValueRegH 0x2E
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#define TCounterValueRegL 0x2F
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//Page 3:TestRegister
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#define Reserved30 0x30
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#define TestSel1Reg 0x31
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#define TestSel2Reg 0x32
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#define TestPinEnReg 0x33
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#define TestPinValueReg 0x34
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#define TestBusReg 0x35
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#define AutoTestReg 0x36
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#define VersionReg 0x37
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#define AnalogTestReg 0x38
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#define TestDAC1Reg 0x39
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#define TestDAC2Reg 0x3A
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#define TestADCReg 0x3B
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#define Reserved31 0x3C
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#define Reserved32 0x3D
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#define Reserved33 0x3E
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#define Reserved34 0x3F
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void RC522_init(int chipSelectPin, int NRSTPD);
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void RC522_writeReg(unsigned char addr, unsigned char val);
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unsigned char RC522_readReg(unsigned char addr);
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void RC522_setBitMask(unsigned char reg, unsigned char mask);
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void RC522_clearBitMask(unsigned char reg, unsigned char mask);
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void RC522_antennaOn(void);
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void RC522_antennaOff(void);
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void RC522_setAntennaGain(unsigned char mask);
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void RC522_reset(void);
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unsigned char RC522_request(unsigned char reqMode, unsigned char *TagType);
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unsigned char RC522_toCard(unsigned char command, unsigned char *sendData, unsigned char sendLen, unsigned char *backData, unsigned int *backLen);
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unsigned char RC522_anticoll(unsigned char *serNum);
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void RC522_calculateCRC(unsigned char *pIndata, unsigned char len, unsigned char *pOutData);
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unsigned char RC522_selectTag(unsigned char *serNum);
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unsigned char RC522_auth(unsigned char authMode, unsigned char BlockAddr, unsigned char *Sectorkey, unsigned char *serNum);
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void RC522_stopCrypto();
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unsigned char RC522_readBlock(unsigned char blockAddr, unsigned char *recvData);
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unsigned char RC522_writeBlock(unsigned char blockAddr, unsigned char *writeData);
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unsigned char RC522_halt(void);
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int _chipSelectPin;
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int _NRSTPD;
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#endif
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