智能停车场设计 - 图文(4)

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void LCD12864_SetWindow(uchar x, uchar y) { }

RC522射频读卡器程序： #include \#include \#include \

#define MAXRLEN 18

sbit MF522_NSS = P0^0; sbit MF522_SCK = P0^1;

sbit MF522_SI = P0^2; //MOSI sbit MF522_SO = P0^3; //MISO sbit MF522_RST = P0^4;

///////////////////////////////////////////////////////////////////// //功 能：寻卡

//SDA

if(x == 0) { }

else if(x == 1) //第二行的地址是90H { }

else if(x == 2) //第三行的地址是88H { }

else if(x == 3) { }

pos = x + y;

LCD12864_WriteCmd(pos);

x = 0x98; x = 0x88; x = 0x90;

x = 0x80;

// 第一行的地址是80H

uchar pos;

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//说明参数：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]：卡片类型的代码 // 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

///////////////////////////////////////////////////////////////////// PICC_REQIDL 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

/////////////////////////////////////////////////////////////////////

}

//idata

//idata

//idata

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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：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];

//idata //idata //idata //idata

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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秘钥 // 0x61 = 验证B秘钥 // 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 ;

unsigned char 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);

//idata //idata

//idata

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// 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：读取MI卡一块数据 //参数说明: addr[IN]:块地址·

// pData[OUT]：读出的数据，16数据 //返回:成功返回MI_OK

///////////////////////////////////////////////////////////////////// char PcdRead(unsigned char addr,unsigned char *pData) {

char status;

unsigned int unLen; //idata unsigned char i;

unsigned char 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; }

//idata //idata

///////////////////////////////////////////////////////////////////// //功 能：写数据到MI卡一块 //参数说明: addr[IN]：块地址

// pData[IN]：写入数据 16字节 //返 回: 成功返回MI_OK

///////////////////////////////////////////////////////////////////// char PcdWrite(unsigned char addr, unsigned char *pData)

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