第十七章：RFID-RC522模块

#ifndef __RC522_H__
#define __RC522_H__/*
**********************************************************************
*                         头文件包含
**********************************************************************
*/
#include "common.h"/*
**********************************************************************
*                         本地宏定义
**********************************************************************
*/
#define MAXRLEN 	18/
//Mifare_One卡片命令字
/
#define PICC_REQIDL           0x26               //寻天线区内未进入休眠状态
#define PICC_REQALL           0x52               //寻天线区内全部卡
#define PICC_ANTICOLL1        0x93               //选卡
#define PICC_ANTICOLL2        0x95               //防冲撞
#define PICC_AUTHENT1A        0x60               //验证A密钥
#define PICC_AUTHENT1B        0x61               //验证B密钥
#define PICC_READ             0x30               //读块
#define PICC_WRITE            0xA0               //写块
#define PICC_DECREMENT        0xC0               //扣款
#define PICC_INCREMENT        0xC1               //充值
#define PICC_RESTORE          0xC2               //调块数据到缓冲区
#define PICC_TRANSFER         0xB0               //保存缓冲区中数据
#define PICC_HALT             0x50               //休眠/
//MF522命令字
/
#define PCD_IDLE              0x00               //取消当前命令
#define PCD_AUTHENT           0x0E               //验证密钥
#define PCD_RECEIVE           0x08               //接收数据
#define PCD_TRANSMIT          0x04               //发送数据
#define PCD_TRANSCEIVE        0x0C               //发送并接收数据
#define PCD_RESETPHASE        0x0F               //复位
#define PCD_CALCCRC           0x03               //CRC计算/
//MF522 FIFO长度定义
/
#define DEF_FIFO_LENGTH       64                 //FIFO size=64byte/
//MF522寄存器定义
/
// PAGE 0
#define     RFU00                 0x00    
#define     CommandReg            0x01    
#define     ComIEnReg             0x02    
#define     DivlEnReg             0x03    
#define     ComIrqReg             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     RFU0F                 0x0F
// PAGE 1     
#define     RFU10                 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     RFU1A                 0x1A
#define     RFU1B                 0x1B
#define     MifareReg             0x1C
#define     RFU1D                 0x1D
#define     RFU1E                 0x1E
#define     SerialSpeedReg        0x1F
// PAGE 2    
#define     RFU20                 0x20  
#define     CRCResultRegM         0x21
#define     CRCResultRegL         0x22
#define     RFU23                 0x23
#define     ModWidthReg           0x24
#define     RFU25                 0x25
#define     RFCfgReg              0x26
#define     GsNReg                0x27
#define     CWGsCfgReg            0x28
#define     ModGsCfgReg           0x29
#define     TModeReg              0x2A
#define     TPrescalerReg         0x2B
#define     TReloadRegH           0x2C
#define     TReloadRegL           0x2D
#define     TCounterValueRegH     0x2E
#define     TCounterValueRegL     0x2F
// PAGE 3      
#define     RFU30                 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     RFU3C                 0x3C   
#define     RFU3D                 0x3D   
#define     RFU3E                 0x3E   
#define     RFU3F		 		  0x3F/
//和MF522通讯时返回的错误代码
/
#define MI_OK                          0
#define MI_NOTAGERR                    (-1)
#define MI_ERR                         (-2)/*
**********************************************************************
*                         外部函数原型声明
**********************************************************************
*/
char PcdReset(void);
void PcdAntennaOn(void);
void PcdAntennaOff(void);
char PcdRequest(unsigned char req_code,unsigned char *pTagType);   
char PcdAnticoll(unsigned char *pSnr);                                
char PcdComMF522(unsigned char Command, unsigned char *pInData, unsigned char InLenByte,unsigned char *pOutData, unsigned int  *pOutLenBit);
void WriteRawRC(unsigned char Address,unsigned char value);
unsigned char ReadRawRC(unsigned char Address); 
void SetBitMask(unsigned char reg,unsigned char mask); 
void ClearBitMask(unsigned char reg,unsigned char mask); 
char M500PcdConfigISOType(unsigned char type);
void delay_10ms(unsigned int _10ms);
char PcdSelect(unsigned char *pSnr);
char PcdAuthState(unsigned char auth_mode,unsigned char addr,unsigned char *pKey,unsigned char *pSnr);
char PcdRead(unsigned char addr,unsigned char *pData);
char PcdWrite(unsigned char addr,unsigned char *pData);
char PcdValue(unsigned char dd_mode,unsigned char addr,unsigned char *pValue);
char PcdBakValue(unsigned char sourceaddr, unsigned char goaladdr);
void CalulateCRC(unsigned char *pIndata,unsigned char len,unsigned char *pOutData);#endif


/*
**********************************************************************
*                         本地全局变量
**********************************************************************
*/
// 专用SFR
sfr   RCAP2LH =   0xCA;
sfr   T2LH    =   0xCC;                        // RC522 SPI接口定义
sbit     MF522_NSS  =    P3^2;		//这是SDA
sbit     MF522_SCK  =    P3^3;
sbit     MF522_SI   =    P3^4;
sbit     MF522_SO   =    P3^5;
sbit     MF522_RST  =    P3^6;		//RC500片选

/****************RC522驱动源码**************************************//
//功    能：寻卡
//参数说明: req_code[IN]:寻卡方式
//                0x52 = 寻感应区内所有符合14443A标准的卡
//                0x26 = 寻未进入休眠状态的卡
//          pTagType[OUT]：卡片类型代码
//                0x4400 = Mifare_UltraLight
//                0x0400 = Mifare_One(S50)
//                0x0200 = Mifare_One(S70)
//                0x0800 = Mifare_Pro(X)
//                0x4403 = Mifare_DESFire
//返    回: 成功返回MI_OK
/
char PcdRequest(unsigned char req_code,unsigned char *pTagType){char status;  unsigned int  unLen;unsigned char ucComMF522Buf[MAXRLEN]; ClearBitMask(Status2Reg,0x08);WriteRawRC(BitFramingReg,0x07);SetBitMask(TxControlReg,0x03);ucComMF522Buf[0] = req_code;status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,1,ucComMF522Buf,&unLen);if ((status == MI_OK) && (unLen == 0x10)){    *pTagType     = ucComMF522Buf[0];*(pTagType+1) = ucComMF522Buf[1];}else{   status = MI_ERR;   }   return status;
}/
//功    能：防冲撞
//参数说明: pSnr[OUT]:卡片序列号，4字节
//返    回: 成功返回MI_OK
/  
char PcdAnticoll(unsigned char *pSnr)
{char status;unsigned char i,snr_check=0;unsigned int  unLen;unsigned char ucComMF522Buf[MAXRLEN]; ClearBitMask(Status2Reg,0x08);WriteRawRC(BitFramingReg,0x00);ClearBitMask(CollReg,0x80);ucComMF522Buf[0] = PICC_ANTICOLL1;ucComMF522Buf[1] = 0x20;status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,2,ucComMF522Buf,&unLen);if (status == MI_OK){for (i=0; i<4; i++){   *(pSnr+i)  = ucComMF522Buf[i];snr_check ^= ucComMF522Buf[i];}if (snr_check != ucComMF522Buf[i]){   status = MI_ERR;    }}SetBitMask(CollReg,0x80);return status;
}/
//功    能：复位RC522
//返    回: 成功返回MI_OK
/
char PcdReset(void){MF522_RST=1;_nop_();//空机器指令MF522_RST=0;_nop_();MF522_RST=1;_nop_();WriteRawRC(CommandReg,PCD_RESETPHASE); //往寄出去地址01，写0x0F_nop_();WriteRawRC(ModeReg,0x3D);            //和Mifare卡通讯，CRC初始值0x6363，CRCPreset=01WriteRawRC(TReloadRegL,30);          //定时器重装值，分为两个8位寄存器，初始值都为0x00      WriteRawRC(TReloadRegH,0);WriteRawRC(TModeReg,0x8D);           //内部定时器的设置1000 1101,后四位为TPrescalerReg的高四位WriteRawRC(TPrescalerReg,0x3E);      //为TPregScaler低8位，Ftimer = 6.78MHZ/TPreScalerWriteRawRC(TxAutoReg,0x40);     return MI_OK;
}
//
//设置RC632的工作方式 
//
char M500PcdConfigISOType(unsigned char type){if (type == 'A')                     //ISO14443_A{ ClearBitMask(Status2Reg,0x08);WriteRawRC(ModeReg,0x3D);//3WriteRawRC(RxSelReg,0x86);//WriteRawRC(RFCfgReg,0x7F);   //4FWriteRawRC(TReloadRegL,30);//tmoLength);// TReloadVal = 'h6a =tmoLength(dec) WriteRawRC(TReloadRegH,0);WriteRawRC(TModeReg,0x8D);WriteRawRC(TPrescalerReg,0x3E);delay_10ms(1);PcdAntennaOn();}else{ return -1; }return MI_OK;
}
/
//功    能：读RC632寄存器
//参数说明：Address[IN]:寄存器地址
//返    回：读出的值
/
unsigned char ReadRawRC(unsigned char Address){unsigned char i, ucAddr;unsigned char ucResult=0;MF522_SCK = 0;MF522_NSS = 0;ucAddr = ((Address<<1)&0x7E)|0x80;for(i=8;i>0;i--){MF522_SI = ((ucAddr&0x80)==0x80);MF522_SCK = 1;ucAddr <<= 1;MF522_SCK = 0;}for(i=8;i>0;i--){MF522_SCK = 1;ucResult <<= 1;ucResult|=(bit)MF522_SO;MF522_SCK = 0;}MF522_NSS = 1;MF522_SCK = 1;return ucResult;
} /
//功    能：写RC632寄存器
//参数说明：Address[IN]:寄存器地址
//          value[IN]:写入的值
/
void WriteRawRC(unsigned char Address, unsigned char value){  unsigned char i, ucAddr;MF522_SCK = 0;MF522_NSS = 0;ucAddr = ((Address<<1)&0x7E);for(i=8;i>0;i--){MF522_SI = ((ucAddr&0x80)==0x80);MF522_SCK = 1;ucAddr <<= 1;MF522_SCK = 0;}for(i=8;i>0;i--){MF522_SI = ((value&0x80)==0x80);MF522_SCK = 1;value <<= 1;MF522_SCK = 0;}MF522_NSS = 1;MF522_SCK = 1;
}/
//功    能：置RC522寄存器位
//参数说明：reg[IN]:寄存器地址
//          mask[IN]:置位值
/
void SetBitMask(unsigned char reg,unsigned char mask)  
{char tmp = 0x0;tmp = ReadRawRC(reg);WriteRawRC(reg,tmp | mask);  // set bit mask
}/
//功    能：清RC522寄存器位
//参数说明：reg[IN]:寄存器地址
//          mask[IN]:清位值
/
void ClearBitMask(unsigned char reg,unsigned char mask)  
{char tmp = 0x0;tmp = ReadRawRC(reg);WriteRawRC(reg, tmp & ~mask);  // clear bit mask
}/
//功    能：通过RC522和ISO14443卡通讯
//参数说明：Command[IN]:RC522命令字
//          pInData[IN]:通过RC522发送到卡片的数据
//          InLenByte[IN]:发送数据的字节长度
//          pOutData[OUT]:接收到的卡片返回数据
//          *pOutLenBit[OUT]:返回数据的位长度
/
char PcdComMF522(unsigned char Command, unsigned char *pInData, unsigned char InLenByte,unsigned char *pOutData, unsigned int  *pOutLenBit)
{char status = MI_ERR;unsigned char irqEn   = 0x00;unsigned char waitFor = 0x00;unsigned char lastBits;unsigned char n;unsigned int i;switch (Command){case PCD_AUTHENT:irqEn   = 0x12;waitFor = 0x10;break;case PCD_TRANSCEIVE:irqEn   = 0x77;waitFor = 0x30;break;default:break;}WriteRawRC(ComIEnReg,irqEn|0x80);ClearBitMask(ComIrqReg,0x80);WriteRawRC(CommandReg,PCD_IDLE);SetBitMask(FIFOLevelReg,0x80);for (i=0; i<InLenByte; i++){   WriteRawRC(FIFODataReg, pInData[i]);    }WriteRawRC(CommandReg, Command);if (Command == PCD_TRANSCEIVE){    SetBitMask(BitFramingReg,0x80);  }//    i = 600;//根据时钟频率调整，操作M1卡最大等待时间25msi = 2000;//900,1100,1700,2000,2700do {n = ReadRawRC(ComIrqReg);i--;}while ((i!=0) && !(n&0x01) && !(n&waitFor));ClearBitMask(BitFramingReg,0x80);if (i!=0){    if(!(ReadRawRC(ErrorReg)&0x1B)){status = MI_OK;if (n & irqEn & 0x01){   status = MI_NOTAGERR;   }if (Command == PCD_TRANSCEIVE){n = ReadRawRC(FIFOLevelReg);lastBits = ReadRawRC(ControlReg) & 0x07;if (lastBits){   *pOutLenBit = (n-1)*8 + lastBits;   }else{   *pOutLenBit = n*8;   }if (n == 0){   n = 1;    }if (n > MAXRLEN){   n = MAXRLEN;   }for (i=0; i<n; i++){   pOutData[i] = ReadRawRC(FIFODataReg);    }}}else{   status = MI_ERR;   }}SetBitMask(ControlReg,0x80);           // stop timer nowWriteRawRC(CommandReg,PCD_IDLE); return status;
}/
//开启天线  
//每次启动或关闭天险发射之间应至少有1ms的间隔
/
void PcdAntennaOn(){unsigned char i;i = ReadRawRC(TxControlReg);if (!(i & 0x03)){SetBitMask(TxControlReg, 0x03);}
}/
//关闭天线
/
void PcdAntennaOff()
{ClearBitMask(TxControlReg, 0x03);
}/
//用MF522计算CRC16函数
/
void CalulateCRC(unsigned char *pIndata,unsigned char len,unsigned char *pOutData)
{unsigned char i,n;ClearBitMask(DivIrqReg,0x04);WriteRawRC(CommandReg,PCD_IDLE);SetBitMask(FIFOLevelReg,0x80);for (i=0; i<len; i++){   WriteRawRC(FIFODataReg, *(pIndata+i));   }WriteRawRC(CommandReg, PCD_CALCCRC);i = 0xFF;do {n = ReadRawRC(DivIrqReg);i--;}while ((i!=0) && !(n&0x04));pOutData[0] = ReadRawRC(CRCResultRegL);pOutData[1] = ReadRawRC(CRCResultRegM);
}
/
//功    能：写数据到M1卡一块
//参数说明: addr[IN]：块地址
//          pData[IN]：写入的数据，16字节
//返    回: 成功返回MI_OK
/                  
char PcdWrite(unsigned char addr,unsigned char *pData)
{char status;unsigned int  unLen;unsigned char i,ucComMF522Buf[MAXRLEN]; ucComMF522Buf[0] = PICC_WRITE;ucComMF522Buf[1] = addr;CalulateCRC(ucComMF522Buf,2,&ucComMF522Buf[2]);status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,4,ucComMF522Buf,&unLen);if ((status != MI_OK) || (unLen != 4) || ((ucComMF522Buf[0] & 0x0F) != 0x0A)){   status = MI_ERR;   }if (status == MI_OK){//memcpy(ucComMF522Buf, pData, 16);for (i=0; i<16; i++){    ucComMF522Buf[i] = *(pData+i);   }CalulateCRC(ucComMF522Buf,16,&ucComMF522Buf[16]);status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,18,ucComMF522Buf,&unLen);if ((status != MI_OK) || (unLen != 4) || ((ucComMF522Buf[0] & 0x0F) != 0x0A)){   status = MI_ERR;   }}return status;
}/
//功    能：选定卡片
//参数说明: pSnr[IN]:卡片序列号，4字节
//返    回: 成功返回MI_OK
/
char PcdSelect(unsigned char *pSnr)
{char status;unsigned char i;unsigned int  unLen;unsigned char ucComMF522Buf[MAXRLEN]; ucComMF522Buf[0] = PICC_ANTICOLL1;ucComMF522Buf[1] = 0x70;ucComMF522Buf[6] = 0;for (i=0; i<4; i++){ucComMF522Buf[i+2] = *(pSnr+i);ucComMF522Buf[6]  ^= *(pSnr+i);}CalulateCRC(ucComMF522Buf,7,&ucComMF522Buf[7]);ClearBitMask(Status2Reg,0x08);status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,9,ucComMF522Buf,&unLen);if ((status == MI_OK) && (unLen == 0x18)){   status = MI_OK;  }else{   status = MI_ERR;    }return status;
}/
//功    能：验证卡片密码
//参数说明: auth_mode[IN]: 密码验证模式
//                 0x60 = 验证A密钥
//                 0x61 = 验证B密钥 
//          addr[IN]：块地址
//          pKey[IN]：密码
//          pSnr[IN]：卡片序列号，4字节
//返    回: 成功返回MI_OK
/               
char PcdAuthState(unsigned char auth_mode,unsigned char addr,unsigned char *pKey,unsigned char *pSnr)
{char status;unsigned int  unLen;unsigned char i,ucComMF522Buf[MAXRLEN]; ucComMF522Buf[0] = auth_mode;ucComMF522Buf[1] = addr;for (i=0; i<6; i++){    ucComMF522Buf[i+2] = *(pKey+i);   }for (i=0; i<6; i++){    ucComMF522Buf[i+8] = *(pSnr+i);   }//   memcpy(&ucComMF522Buf[2], pKey, 6); //   memcpy(&ucComMF522Buf[8], pSnr, 4); status = PcdComMF522(PCD_AUTHENT,ucComMF522Buf,12,ucComMF522Buf,&unLen);if ((status != MI_OK) || (!(ReadRawRC(Status2Reg) & 0x08))){   status = MI_ERR;   }return status;
}/
//功    能：扣款和充值
//参数说明: dd_mode[IN]：命令字
//               0xC0 = 扣款
//               0xC1 = 充值
//          addr[IN]：钱包地址
//          pValue[IN]：4字节增(减)值，低位在前
//返    回: 成功返回MI_OK
/                 
//char PcdValue(unsigned char dd_mode,unsigned char addr,unsigned char *pValue)
//{
//    char status;
//    unsigned int  unLen;
//    unsigned char i,ucComMF522Buf[MAXRLEN]; 
//    
//    ucComMF522Buf[0] = dd_mode;
//    ucComMF522Buf[1] = addr;
//    CalulateCRC(ucComMF522Buf,2,&ucComMF522Buf[2]);
// 
//    status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,4,ucComMF522Buf,&unLen);
//
//    if ((status != MI_OK) || (unLen != 4) || ((ucComMF522Buf[0] & 0x0F) != 0x0A))
//    {   status = MI_ERR;   }
//        
//    if (status == MI_OK)
//    {
//       // memcpy(ucComMF522Buf, pValue, 4);
//        for (i=0; i<16; i++)
//        {    ucComMF522Buf[i] = *(pValue+i);   }
//        CalulateCRC(ucComMF522Buf,4,&ucComMF522Buf[4]);
//        unLen = 0;
//        status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,6,ucComMF522Buf,&unLen);
//        if (status != MI_ERR)
//        {    status = MI_OK;    }
//    }
//    
//    if (status == MI_OK)
//    {
//        ucComMF522Buf[0] = PICC_TRANSFER;
//        ucComMF522Buf[1] = addr;
//        CalulateCRC(ucComMF522Buf,2,&ucComMF522Buf[2]); 
//   
//        status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,4,ucComMF522Buf,&unLen);
//
//        if ((status != MI_OK) || (unLen != 4) || ((ucComMF522Buf[0] & 0x0F) != 0x0A))
//        {   status = MI_ERR;   }
//    }
//    return status;
//}
/*
/
//功    能：备份钱包
//参数说明: sourceaddr[IN]：源地址
//          goaladdr[IN]：目标地址
//返    回: 成功返回MI_OK
/
char PcdBakValue(unsigned char sourceaddr, unsigned char goaladdr)
{char status;unsigned int  unLen;unsigned char ucComMF522Buf[MAXRLEN]; ucComMF522Buf[0] = PICC_RESTORE;ucComMF522Buf[1] = sourceaddr;CalulateCRC(ucComMF522Buf,2,&ucComMF522Buf[2]);status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,4,ucComMF522Buf,&unLen);if ((status != MI_OK) || (unLen != 4) || ((ucComMF522Buf[0] & 0x0F) != 0x0A)){   status = MI_ERR;   }if (status == MI_OK){ucComMF522Buf[0] = 0;ucComMF522Buf[1] = 0;ucComMF522Buf[2] = 0;ucComMF522Buf[3] = 0;CalulateCRC(ucComMF522Buf,4,&ucComMF522Buf[4]);status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,6,ucComMF522Buf,&unLen);if (status != MI_ERR){    status = MI_OK;    }}if (status != MI_OK){    return MI_ERR;   }ucComMF522Buf[0] = PICC_TRANSFER;ucComMF522Buf[1] = goaladdr;CalulateCRC(ucComMF522Buf,2,&ucComMF522Buf[2]);status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,4,ucComMF522Buf,&unLen);if ((status != MI_OK) || (unLen != 4) || ((ucComMF522Buf[0] & 0x0F) != 0x0A)){   status = MI_ERR;   }return status;
}
*//
//功    能：读取M1卡一块数据
//参数说明: addr[IN]：块地址
//          pData[OUT]：读出的数据，16字节
//返    回: 成功返回MI_OK
/ 
char PcdRead(unsigned char addr,unsigned char *pData)
{char status;unsigned int  unLen;unsigned char i,ucComMF522Buf[MAXRLEN]; ucComMF522Buf[0] = PICC_READ;ucComMF522Buf[1] = addr;CalulateCRC(ucComMF522Buf,2,&ucComMF522Buf[2]);status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,4,ucComMF522Buf,&unLen);if ((status == MI_OK) && (unLen == 0x90))//   {   memcpy(pData, ucComMF522Buf, 16);   }{for (i=0; i<16; i++){    *(pData+i) = ucComMF522Buf[i];   }}else{   status = MI_ERR;   }return status;
}
///
// Delay 10ms
///
void delay_10ms(unsigned int _10ms)
{
#ifndef NO_TIMER2RCAP2LH = RCAP2_10ms;T2LH    = RCAP2_10ms;TR2 = TRUE;while (_10ms--){while (!TF2);TF2 = FALSE;}TR2 = FALSE;
#elsewhile (_10ms--){delay_50us(19);if (CmdValid)return;delay_50us(20);if (CmdValid)return;delay_50us(20);if (CmdValid)return;delay_50us(20);if (CmdValid)return;delay_50us(20);if (CmdValid )return;delay_50us(20);if (CmdValid)return;delay_50us(20);if (CmdValid)return;delay_50us(20);if (CmdValid)return;delay_50us(20);if (CmdValid)return;delay_50us(19);if (CmdValid)return;}
#endif
}

#ifndef __DCMOTOR_H__
#define __DCMOTOR_H__/*
**********************************************************************
*                         头文件包含
**********************************************************************
*/
#include "common.h"/*
**********************************************************************
*                         本地宏定义
**********************************************************************
*/
#define  OSC_FREQ        	(22118400L)
#define  RCAP2_50us      	(65536L - OSC_FREQ/40417L)
#define  RCAP2_1ms       	(65536L - OSC_FREQ/2000L)
#define  RCAP2_10ms      	(65536L - OSC_FREQ/1200L)
#define  TIME0_500us     	(65536L - OSC_FREQ/8000L)
#define  TIME0_10ms      	(65536L - OSC_FREQ/200)
#define  CALL_isr_UART() 	(TI = 1)
#define  TRUE 				1
#define  FALSE 				0/*
**********************************************************************
*                         外部函数原型声明
**********************************************************************
*/
void SysInit(void);
void BuzzerOnce(void);
void Rc522Test(void);
void delay1ms(u8 i);
void UartSendBytes(u8 *c);
void UartSendByte(u8 c);#endif

/*
**********************************************************************
*                         头文件包含
**********************************************************************
*/
#include <reg52.h>
#include "main.h"
#include "rc522.h"/*
**********************************************************************
*                         本地全局变量
**********************************************************************
*/
sbit gBuzzer = P1^5;		//蜂鸣器，当寻卡成功后蜂鸣器叫1下u8 UID[5],Temp[4];//要写入M1卡的块1里的数据，也就是初始化钱包里的金额为如下数组
u8 data1[16] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09};u8 code DefaultKey[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};/*********************************************************************
* 函 数 名       : main
* 函数功能		 : 主函数
* 参数列表       : 无
* 函数输出    	 : 无
*********************************************************************/
void main(void)
{SysInit();Rc522Test();
}/*********************************************************************
* 函 数 名       : BuzzerOnce
* 函数功能		 : 蜂鸣器叫1下表示寻卡成功
* 参数列表       : 无
* 函数输出    	 : 无
*********************************************************************/
void BuzzerOnce(void)
{gBuzzer = 0;delay_10ms(1);gBuzzer = 1;delay_10ms(1);
}/*********************************************************************
* 函 数 名       : delay1ms
* 函数功能		 : 延时
* 参数列表       : 无
* 函数输出    	 : 无
*********************************************************************/
void delay1ms(unsigned char i)   //误差 0us
{unsigned char a,b,c;for(;i>0;i--)for(c=1;c>0;c--)for(b=142;b>0;b--)for(a=2;a>0;a--);
}/*********************************************************************
* 函 数 名       : UartSendBytes
* 函数功能		 : 通过串口往外发送数据
* 参数列表       : unsigned char *c,要发的数据
* 函数输出    	 : 无
*********************************************************************/
void UartSendBytes(u8 *c)//从串口发送16字节数据
{u8 i = 0;EA = 0;for (i=0; i<16; i++){SBUF = *c + '0';while(!TI);TI = 0;c++;}SBUF = '\n';while (!TI);TI = 0;EA = 1;
}void UartSendByte(u8 c)	//从串口发送1字节数据
{u8 i = 0;EA = 0;SBUF = c;while (!TI);TI = 0;EA = 1;
}/*********************************************************************
* 函 数 名       : Rc522Test
* 函数功能		 : RC522测试函数，开机预写入金额，然后刷1次卡扣1元
* 参数列表       : 无
* 函数输出    	 : 无
*********************************************************************/
void Rc522Test(void)
{u8 status = 0;while (1){if (PcdRequest(0x52, Temp) == MI_OK)	// 寻卡，成功后Temp数组为卡类型{  if (PcdAnticoll(UID) == MI_OK)		// 防冲突，UID数组数据为卡序列号{BuzzerOnce();					// 调用蜂鸣器提示寻卡成功status = PcdSelect(UID);		//选定卡片if(status != MI_OK)continue;	   status = PcdAuthState(PICC_AUTHENT1A, 1, DefaultKey, UID);	//验证卡片密码if(status != MI_OK)continue;   status = PcdWrite(1, data1);	// 写块，相当于初始化钱包金额if(status != MI_OK)continue;		   P2 = 0x00;				// LED全亮表示初始化钱包成功delay1ms(500);}while (1)	   {P2 = 0xff;	if (PcdRequest(0x52, Temp) == MI_OK) //寻卡，成功后Temp数组为卡类{if (PcdAnticoll(UID) == MI_OK)//防冲突，UID数组数据为卡序列号{	  BuzzerOnce();             //调用蜂鸣器提示寻卡成功status = PcdSelect(UID);//选定卡片if(status != MI_OK)continue;status = PcdAuthState(PICC_AUTHENT1A, 1, DefaultKey, UID);//验证卡片密码if(status != MI_OK)continue;status = PcdRead(1, data1);	//读块，读出钱包里的金额if(status != MI_OK)continue;data1[15] -= 1;				//扣1元//	UartSendBytes(data1);		//扣款后的余额UartSendByte(data1[15]);status = PcdWrite(1, data1);//写块，将扣钱后的数据重新写入块if(status != MI_OK)continue;P2 = 0x55;delay1ms(500);}	}	   }} }
}
/*********************************************************************
* 函 数 名       : SysInit
* 函数功能		 : 串口初始化为4800波特率，寻卡，读写卡数据
* 参数列表       : 无
* 函数输出    	 : 无
*********************************************************************/
void SysInit(void)
{TMOD = 0x20;		// T1设置为8位自动重装载定时器			SCON = 0x40;		// 串口工作在模式1：8位UART波特率可变，且禁止接收TH1 = 0xE6;			// 单片机小精灵V1.3算出的2400波特率且波特率TL1 = TH1;			// 加倍时的定时器设置值。PCON = 0x80;		// 设置为波特率加倍EA = 1;				// 开总中断ES = 1;			    // 开串口中断TR1 = 1;		    // 定时器1开启计数gBuzzer = 0;PcdReset();				//复位RC522PcdAntennaOff(); 	 	//关天线 		PcdAntennaOn();  		//开天线M500PcdConfigISOType('A');
}

第十七章：RFID-RC522模块

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