mfrc500.h

采用单片机89C52对飞利浦13.56Mhz的射频芯片MFRC500进行密码的配置与扇区的读写。可以由电脑通过串口发送命令来对MFRC500进行寄存器的配置读写。

/////////////////////////////////////////////////////////////////////
//函数原型
/////////////////////////////////////////////////////////////////////
//复位MFRC500
char PcdReset(void);
//设置MFRC500寄存器参数      
char PcdConfigISOType(unsigned char type);                                    
//开启RC500射频发射
void PcdAntennaOn(void);
//关闭RC500射频发射
void PcdAntennaOff(void);
//读RC500_EEPROM
char PcdReadE2(unsigned int addr, unsigned char length, unsigned char *pData);    
//写RC500_EEPROM
char PcdWriteE2(unsigned int addr, unsigned char length, unsigned char *pData); 
//写RC500寄存器
void WriteRawRC(unsigned char Address,unsigned char value);
//读RC500寄存器
unsigned char ReadRawRC(unsigned char Address); 
//置RC500寄存器位
void SetBitMask(unsigned char reg,unsigned char mask); 
//清RC500寄存器位
void ClearBitMask(unsigned char reg,unsigned char mask); 
//设置RC500时钟寄存器
void PcdSetTmo(unsigned char tmoLength);                                
//MFRC500和卡片通讯子函数
char PcdComISO14443(unsigned char PCD_Command, 
                    unsigned char *pInData, 
                    unsigned char InLenByte,
                    unsigned char *pOutData, 
                    unsigned int  *pOutLenBit);

/////////////////////////////////////////////////////////////////////
//RC500命令字
/////////////////////////////////////////////////////////////////////
#define PCD_IDLE              0x00               //取消当前命令
#define PCD_WRITEE2           0x01               //写EEPROM
#define PCD_READE2            0x03               //读EEPROM
#define PCD_LOADCONFIG        0x07               //调EEPROM中保存的寄存器设置
#define PCD_LOADKEYE2         0x0B               //将EEPROM中保存的密钥调入缓存
#define PCD_AUTHENT1          0x0C               //验证密钥第一步
#define PCD_AUTHENT2          0x14               //验证密钥第二步
#define PCD_RECEIVE           0x16               //接收数据
#define PCD_LOADKEY           0x19               //传送密钥
#define PCD_TRANSMIT          0x1A               //发送数据
#define PCD_TRANSCEIVE        0x1E               //发送并接收数据
#define PCD_RESETPHASE        0x3F               //复位
#define PCD_CALCCRC           0x12               //CRC计算

/////////////////////////////////////////////////////////////////////
//RC500 FIFO长度定义
/////////////////////////////////////////////////////////////////////
#define DEF_FIFO_LENGTH       64                 //FIFO size=64byte

/////////////////////////////////////////////////////////////////////
//RC500寄存器定义
/////////////////////////////////////////////////////////////////////
// PAGE 0
#define     RegPage               0x00    
#define     RegCommand            0x01    
#define     RegFIFOData           0x02    
#define     RegPrimaryStatus      0x03    
#define     RegFIFOLength         0x04    
#define     RegSecondaryStatus    0x05
#define     RegInterruptEn        0x06    
#define     RegInterruptRq        0x07    
// PAGE 1      Control and Status
#define     RegControl            0x09    
#define     RegErrorFlag          0x0A
#define     RegCollpos            0x0B
#define     RegTimerValue         0x0C
#define     RegCRCResultLSB       0x0D
#define     RegCRCResultMSB       0x0E
#define     RegBitFraming         0x0F
// PAGE 2      Transmitter and Coder Control
#define     RegTxControl          0x11
#define     RegCwConductance      0x12
#define     RegModConductance     0x13
#define     RegCoderControl       0x14
#define     RegModWidth           0x15
#define     RegModWidthSOF        0x16
#define     RegTypeBFraming       0x17
// PAGE 3      Receiver and Decoder Control
#define     RegRxControl1         0x19
#define     RegDecoderControl     0x1A
#define     RegBitPhase           0x1B
#define     RegRxThreshold        0x1C
#define     RegBPSKDemControl     0x1D
#define     RegRxControl2         0x1E
#define     RegClockQControl      0x1F
// PAGE 4      RF-Timing and Channel Redundancy
#define     RegRxWait             0x21
#define     RegChannelRedundancy  0x22
#define     RegCRCPresetLSB       0x23
#define     RegCRCPresetMSB       0x24
#define     RegTimeSlotPeriod     0x25
#define     RegMfOutSelect        0x26
#define     RFU27                 0x27
// PAGE 5      FIFO, Timer and IRQ-Pin Configuration
#define     RegFIFOLevel          0x29
#define     RegTimerClock         0x2A
#define     RegTimerControl       0x2B
#define     RegTimerReload        0x2C
#define     RegIRqPinConfig       0x2D
#define     RFU2E                 0x2E
#define     RFU2F                 0x2F
// PAGE 6      RFU
#define     RFU31                 0x31
#define     RFU32                 0x32
#define     RFU33                 0x33
#define     RFU34                 0x34
#define     RFU35                 0x35
#define     RFU36                 0x36
#define     RFU37                 0x37
// PAGE 7      Test Control
#define     RFU39                 0x39  
#define     RegTestAnaSelect      0x3A   
#define     RFU3B                 0x3B   
#define     RFU3C                 0x3C   
#define     RegTestDigiSelect     0x3D   
#define     RFU3E                 0x3E   
#define     RFU3F		  0x3F

/////////////////////////////////////////////////////////////////////
//和RC632通讯时返回的错误代码
/////////////////////////////////////////////////////////////////////
#define MI_OK                          0
#define MI_ERR                         -1

#define MI_NOTAGERR                    (-2)
#define MI_ACCESSTIMEOUT               (-3)
#define MI_COLLERR                     (-24)