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MFRC522.h
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//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_ANTICOLL2 0x95 // anticollision level 2
#define PICC_ANTICOLL3 0x97 // anticollision level 3
#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
//-----------------------------------------------