總結(jié)一下最近學(xué)的東西，這兩天學(xué)的東西，rfid門卡系統(tǒng)終于弄出來來了，這個程序算現(xiàn)在寫過的比較滿意的程序，大家可以參考參考

主函數(shù)：

rc522.c

#include

#include

#include "mian.h"

#include "rc522.h"

#define MAXRLEN 18

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

//功 能：尋卡

//參數(shù)說明: req_code[IN]:尋卡方式

// 0x52 = 尋感應(yīng)區(qū)內(nèi)所有符合14443A標(biāo)準(zhǔn)的卡

// 0x26 = 尋未進(jìn)入休眠狀態(tài)的卡

// pTagType[OUT]：卡片類型代碼

// 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：防沖撞

//參數(shù)說明: pSnr[OUT]:卡片序列號，4字節(jié)

//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：選定卡片

//參數(shù)說明: pSnr[IN]:卡片序列號，4字節(jié)

//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：驗證卡片密碼

//參數(shù)說明: auth_mode[IN]: 密碼驗證模式

// 0x60 = 驗證A密鑰

// 0x61 = 驗證B密鑰

// addr[IN]：塊地址

// pKey[IN]：密碼

// pSnr[IN]：卡片序列號，4字節(jié)

//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：讀取M1卡一塊數(shù)據(jù)

//參數(shù)說明: addr[IN]：塊地址

// pData[OUT]：讀出的數(shù)據(jù)，16字節(jié)

//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;

}

*/

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

//功 能：寫數(shù)據(jù)到M1卡一塊

//參數(shù)說明: addr[IN]：塊地址

// pData[IN]：寫入的數(shù)據(jù)，16字節(jié)

//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：扣款和充值

//參數(shù)說明: dd_mode[IN]：命令字

// 0xC0 = 扣款

// 0xC1 = 充值

// addr[IN]：錢包地址

// pValue[IN]：4字節(jié)增(減)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：備份錢包

//參數(shù)說明: sourceaddr[IN]：源地址

// goaladdr[IN]：目標(biāo)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：命令卡片進(jìn)入休眠狀態(tài)

//返 回: 成功返回MI_OK

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

char PcdHalt(void)

{

char status;

unsigned int unLen;

unsigned char ucComMF522Buf[MAXRLEN];

ucComMF522Buf[0] = PICC_HALT;

ucComMF522Buf[1] = 0;

CalulateCRC(ucComMF522Buf,2,&ucComMF522Buf[2]);

status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,4,ucComMF522Buf,&unLen);

return MI_OK;

}

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

//用MF522計算CRC16函數(shù)

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

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

{ 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：復(fù)位RC522

//返 回: 成功返回MI_OK

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

char PcdReset(void)

{

MF522_RST=1;

_nop_();

MF522_RST=0;

_nop_();

MF522_RST=1;

_nop_();

WriteRawRC(CommandReg,PCD_RESETPHASE);

_nop_();

WriteRawRC(ModeReg,0x3D); //和Mifare卡通訊，CRC初始值0x6363

WriteRawRC(TReloadRegL,30);

WriteRawRC(TReloadRegH,0);

WriteRawRC(TModeReg,0x8D);

WriteRawRC(TPrescalerReg,0x3E);

WriteRawRC(TxAutoReg,0x40);

return MI_OK;

}

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

//設(shè)置RC632的工作方式

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

char M500PcdConfigISOType(unsigned char type)

{

if (type == 'A') //ISO14443_A

{

ClearBitMask(Status2Reg,0x08);

/* WriteRawRC(CommandReg,0x20); //as default

WriteRawRC(ComIEnReg,0x80); //as default

WriteRawRC(DivlEnReg,0x0); //as default

WriteRawRC(ComIrqReg,0x04); //as default

WriteRawRC(DivIrqReg,0x0); //as default

WriteRawRC(Status2Reg,0x0);//80 //trun off temperature sensor

WriteRawRC(WaterLevelReg,0x08); //as default

WriteRawRC(ControlReg,0x20); //as default

WriteRawRC(CollReg,0x80); //as default

*/

WriteRawRC(ModeReg,0x3D);//3F

/* WriteRawRC(TxModeReg,0x0); //as default???

WriteRawRC(RxModeReg,0x0); //as default???

WriteRawRC(TxControlReg,0x80); //as default???

WriteRawRC(TxSelReg,0x10); //as default???

*/

WriteRawRC(RxSelReg,0x86);//84

// WriteRawRC(RxThresholdReg,0x84);//as default

// WriteRawRC(DemodReg,0x4D); //as default

// WriteRawRC(ModWidthReg,0x13);//26

WriteRawRC(RFCfgReg,0x7F); //4F

/* WriteRawRC(GsNReg,0x88); //as default???

WriteRawRC(CWGsCfgReg,0x20); //as default???

WriteRawRC(ModGsCfgReg,0x20); //as default???

*/

WriteRawRC(TReloadRegL,30);//tmoLength);// TReloadVal = 'h6a =tmoLength(dec)

WriteRawRC(TReloadRegH,0);

WriteRawRC(TModeReg,0x8D);

WriteRawRC(TPrescalerReg,0x3E);

// PcdSetTmo(106);

DelayMs(1);

PcdAntennaOn();

}

else{ return -1; }

return MI_OK;

}

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

//功 能：讀RC632寄存器

//參數(shù)說明：Address[IN]:寄存器地址

//返 回：讀出的值

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

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：寫RC632寄存器

//參數(shù)說明：Address[IN]:寄存器地址

// value[IN]:寫入的值

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

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

//參數(shù)說明：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

//參數(shù)說明：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：通過RC522和ISO14443卡通訊

//參數(shù)說明：Command[IN]:RC522命令字

// pInData[IN]:通過RC522發(fā)送到卡片的數(shù)據(jù)

// InLenByte[IN]:發(fā)送數(shù)據(jù)的字節(jié)長度

// pOutData[OUT]:接收到的卡片返回數(shù)據(jù)

// *pOutLenBit[OUT]:返回數(shù)據(jù)的位長度

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

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

{ WriteRawRC(FIFODataReg, pInData[i]); }

WriteRawRC(CommandReg, Command);

if (Command == PCD_TRANSCEIVE)

{ SetBitMask(BitFramingReg,0x80); }

// i = 600;//根據(jù)時鐘頻率調(diào)整，操作M1卡最大等待時間25ms

i = 2000;

do

{

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

{ pOutData[i] = ReadRawRC(FIFODataReg); }

}

}

else

{ status = MI_ERR; }

}

SetBitMask(ControlReg,0x80); // stop timer now

WriteRawRC(CommandReg,PCD_IDLE);

return status;

}

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

//開啟天線

//每次啟動或關(guān)閉天險發(fā)射之間應(yīng)至少有1ms的間隔

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

void PcdAntennaOn()

{

unsigned char i;

i = ReadRawRC(TxControlReg);

if (!(i & 0x03))

{

SetBitMask(TxControlReg, 0x03);

}

}

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

//關(guān)閉天線

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

void PcdAntennaOff()

{

ClearBitMask(TxControlReg, 0x03);

}

step.c

#include

#define Step 500

void step()

{

unsigned int i;

P3 = 0x01;//0000 0001

for(i = 0;i

P3 = 0x02;//0000 0010

for(i = 0;i

P3 = 0x04;//0000 0100

for(i = 0;i

P3 = 0x08;//0000 1000

for(i = 0;i

}

12864.c

#include"12864.h"

#include

sbit lcdrs = P2^4;//數(shù)據(jù)還是指令選擇端口

sbit lcdwr = P2^5;//讀寫選擇端口

sbit lcden = P2^6;//使能端口

sbit PSB = P2^1;//串并口選擇端口

/*uchar code table1[]={"Welcome!!"};

uchar code table2[]={"Psw:"};

uchar code table3[] ={"Open"};

uchar code table4[] ={"Error try again!"};

uchar code table5[] ={"Error 3 times!!"};*/

void delay1ms(uint x)//延時函數(shù)

{

uint i,j;

for(i= x;i>0;i--)

for(j=110;j>0;j--);

}

void write_cmd(uchar cmd)//寫指令函數(shù)

{

lcdrs = 0;

lcdwr = 0;

P0 = cmd;

lcden = 1;

delay1ms(5);//

lcden = 0;

}

void write_date(uchar date)//寫數(shù)據(jù)函數(shù)

{

lcdrs = 1;

lcdwr = 0;

P0 = date;

lcden = 1;

delay1ms(5);//

lcden = 0;

}

void write_string(uchar *str)//寫入字符串函數(shù)

{

for(;*str!='\0';str++)

{

write_date(*str);

delay1ms(2);

}

}

void init_12864()

{

PSB = 1;//并口方式傳送數(shù)據(jù)

write_cmd(0x30);//基本指令操作

write_cmd(0x0c);//開顯示，關(guān)光標(biāo)

write_cmd(0x01);//清除lcd的顯示內(nèi)容

}

void lcd_putpic(unsigned char code *img)//畫圖函數(shù)

{

uint i,j;

//畫圖上半部分

for(i = 0;i<32;i++)

{

write_cmd(0x80+i);//

write_cmd(0x80);//

for(j=0;j<16;j++)

{

write_date(*img);

img++;

}

}

//畫下部分的屏幕

for(i = 0;i<32;i++)

{

write_cmd(0x80+i);//設(shè)定列

write_cmd(0x88);//從第三行開始畫圖

for(j=0;j<16;j++)

{

write_date(*img);

img++;

}

}

}

void setpic()//設(shè)定畫圖功能的函數(shù)

{

write_cmd(0x36);//設(shè)定畫圖其畫圖功能

delay1ms(5);

}

void lcd_pos(uchar x,uchar y)//設(shè)定顯示位置的函數(shù)

{

uchar pos;

if(x==0)

x=0x80;

else

if(x==1)

x=0x90;

else

if(x==2)

x=0x88;

else

if(x==3)

x=0x98;

pos=x+y;

write_cmd(pos);

}

hongwai.c

#include

#include"12864.h"

sbit led = P3^5;

sbit hongwai = P3^6;

uchar flag;

uchar hwgy()

{

hongwai = 1;

while(1)

{

if(hongwai ==1)//檢測到高電平的話，延時一下

{

delay1ms(20);

if(hongwai == 1)//再次檢測一下

{

led = 0;

flag = 1;

return flag;

break;

}

}

else

{

led = 1;

flag = 0;

return flag;

}

}

}

頭文件：

12864.h

#ifndef __12864_H__

#define _12864_H__

#include

typedef unsigned int uint;

typedef unsigned char uchar;

/*extern uchar code table1[] ;

extern uchar code table2[] ;

extern uchar code table3[] ;

extern uchar code table4[] ;

extern uchar code table5[] ;*/

extern unsigned char code pic1[];

void delay1ms(uint x);//延時函數(shù)

void write_cmd(uchar cmd);//寫指令函數(shù)

void write_date(uchar date);//寫數(shù)據(jù)函數(shù)

void init_12864();

void lcd_putpic(unsigned char code *img);//畫圖函數(shù)

void setpic();//設(shè)定畫圖功能的函數(shù)

void lcd_pos(uchar x,uchar y);//設(shè)定顯示位置的函數(shù)

void write_string(uchar *str);

//紅外感應(yīng)模塊

uchar hwgy();

#endif

main.h

#ifndef __MIAN_H_

#define __MIAN_H_

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

//端口定義

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

//MFRC500

sbit MF522_RST = P1^1; //RC500??

sbit MF522_NSS = P1^7;

sbit MF522_SCK = P1^6;

sbit MF522_SI = P1^5;

sbit MF522_SO = P1^2;

//???

sbit LED_GREEN = P1^0;

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

//函數(shù)原型

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

void InitializeSystem();

void step();

#define OSC_FREQ 7372800L

#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

void DelayMs(unsigned int _MS);

#endif

rc522.h

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

//函數(shù)原型

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

char PcdReset(void);

void PcdAntennaOn(void);

void PcdAntennaOff(void);

char PcdRequest(unsigned char req_code,unsigned char *pTagType);

char PcdAnticoll(unsigned char *pSnr);

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);

char PcdHalt(void);

char PcdComMF522(unsigned char Command,

unsigned char *pInData,

unsigned char InLenByte,

unsigned char *pOutData,

unsigned int *pOutLenBit);

void CalulateCRC(unsigned char *pIndata,unsigned char len,unsigned char *pOutData);

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);

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

//MF522命令字

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

#define PCD_IDLE 0x00 //取消當(dāng)前命令

#define PCD_AUTHENT 0x0E //驗證密鑰

#define PCD_RECEIVE 0x08 //接收數(shù)據(jù)

#define PCD_TRANSMIT 0x04 //發(fā)送數(shù)據(jù)

#define PCD_TRANSCEIVE 0x0C //發(fā)送并接收數(shù)據(jù)

#define PCD_RESETPHASE 0x0F //復(fù)位

#define PCD_CALCCRC 0x03 //CRC計算

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

//Mifare_One卡片命令字

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

#define PICC_REQIDL 0x26 //尋天線區(qū)內(nèi)未進(jìn)入休眠狀態(tài)

#define PICC_REQALL 0x52 //尋天線區(qū)內(nèi)全部卡

#define PICC_ANTICOLL1 0x93 //防沖撞

#define PICC_ANTICOLL2 0x95 //防沖撞

#define PICC_AUTHENT1A 0x60 //驗證A密鑰

#define PICC_AUTHENT1B 0x61 //驗證B密鑰

#define PICC_READ 0x30 //讀塊

#define PICC_WRITE 0xA0 //寫塊

#define PICC_DECREMENT 0xC0 //扣款

#define PICC_INCREMENT 0xC1 //充值

#define PICC_RESTORE 0xC2 //調(diào)塊數(shù)據(jù)到緩沖區(qū)

#define PICC_TRANSFER 0xB0 //保存緩沖區(qū)中數(shù)據(jù)

#define PICC_HALT 0x50 //休眠

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

//MF522 FIFO長度定義

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

#define DEF_FIFO_LENGTH 64 //FIFO size=64byte

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

//MF522寄存器定義

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

// 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通訊時返回的錯誤代碼

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

#define MI_OK 0

#define MI_NOTAGERR (-1)

#define MI_ERR (-2)