基于51，人体红外感应和RC522的门禁系统
2024-04-30 09:30:02
总结一下最近学的东西，这两天学的东西，rfid门卡系统终于弄出来来了，这个程序算现在写过的比较满意的程序，大家可以参考参考
主函数：
#include<reg52.h>
#include"mian.h"
#include"rc522.h"
#include"12864.h"//卡号为0扇区0块内容的前四字节为卡号，且此块内容不能改写
uchar status;
uchar g_ucTempbuf[20];
unsigned char hextoasc(unsigned char i)
{if(i<0x09){i=i+'0';return i;}else{i=i+0x37;return i;}
}void main()
{uint i;uchar flagren,flagzhenque;uchar xule[4] = "8171";//初始化：
init_12864();lcd_pos(1,2);write_string("实验重地");lcd_pos(2,2);write_string("闲人免进");while(1){flagren = hwgy();if(flagren == 1)break;}write_cmd(0x01);//清除lcd的显示内容lcd_pos(1,3);write_string("欢迎");lcd_pos(2,2);write_string("请刷卡！！"); PcdReset();//rc522初始化PcdAntennaOff(); //关闭和打开天线
PcdAntennaOn();M500PcdConfigISOType('A');//设定工作模式//防冲突，这里需要一个循环，让读卡器不断去读卡while(1){status = PcdRequest(PICC_REQALL, g_ucTempbuf);//PICC_REQALL他是个宏定义 意思是寻找天线内的所有卡片，// g_ucTempbuf 是个数组，在这里函数读取卡内的前两位放在数组中if(status != MI_OK)//没有找到卡，继续执行PcdRequest()
{continue;}status = PcdAnticoll(g_ucTempbuf);//防冲突//卡片序列号，4字节,这里的status可以判PcdAnticoll的执行情况//如果执行成功，表示g_ucTempbuf上面已经记在唯一的卡号了//在这里g_ucTempbuf已经用了2+4个if(status != MI_OK)//没有找到卡，继续执行PcdRequest()
{continue;}if(status == MI_OK){LED_GREEN =0;for(i=0;i<4;i++)//在12864上显示卡号
{if( hextoasc((g_ucTempbuf[i]&0xf0)>>4) == xule[i]){write_cmd(0x01);lcd_pos(1,2);write_string("封韦杰");lcd_pos(2,2);write_string("请进！！");flagzhenque = 1; }else {write_cmd(0x01);flagzhenque = 0;lcd_pos(1,3);write_string("错误！");lcd_pos(2,2);write_string("请出示门卡！");break; //寻卡失败跳出循环
}}if(flagzhenque == 1){for(i=0;i<125;i++){step();}}LED_GREEN = 1;}}}void DelayMs(unsigned int _MS)
{TH1 = (unsigned char)(RCAP2_1ms>>8);TL1 = (unsigned char)(RCAP2_1ms);ET1 = 0; // Disable timer2 interruptTR1 = 1;while (_MS--){ while (!TF1);TF1 = 0;TH1 = (unsigned char)(RCAP2_1ms>>8);TL1 = (unsigned char)(RCAP2_1ms);}TR1 = 0;
}View Code
rc522.c
#include <intrins.h>
#include <REG52.H>#include "mian.h"
#include "rc522.h"
#define MAXRLEN 18/
//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：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：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;
}*/
/
//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：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：命令卡片进入休眠状态
//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：复位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卡通讯，CRC初始值0x6363WriteRawRC(TReloadRegL,30); WriteRawRC(TReloadRegH,0);WriteRawRC(TModeReg,0x8D);WriteRawRC(TPrescalerReg,0x3E);WriteRawRC(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(CommandReg,0x20); //as default WriteRawRC(ComIEnReg,0x80); //as defaultWriteRawRC(DivlEnReg,0x0); //as defaultWriteRawRC(ComIrqReg,0x04); //as defaultWriteRawRC(DivIrqReg,0x0); //as defaultWriteRawRC(Status2Reg,0x0);//80 //trun off temperature sensorWriteRawRC(WaterLevelReg,0x08); //as defaultWriteRawRC(ControlReg,0x20); //as defaultWriteRawRC(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);//26WriteRawRC(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：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;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<n; i++){ pOutData[i] = ReadRawRC(FIFODataReg); }}}else{ status = MI_ERR; }}SetBitMask(ControlReg,0x80); // stop timer now
WriteRawRC(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);
}View Code
step.c
#include<reg52.h>
#define Step 500
void step()
{unsigned int i;P3 = 0x01;//0000 0001for(i = 0;i<Step;i++);P3 = 0x02;//0000 0010for(i = 0;i<Step;i++);P3 = 0x04;//0000 0100for(i = 0;i<Step;i++);P3 = 0x08;//0000 1000for(i = 0;i<Step;i++);}View Code
12864.c
#include"12864.h"
#include<reg52.h>sbit lcdrs = P2^4;//数据还是指令选择端口
sbit lcdwr = P2^5;//读写选择端口
sbit lcden = P2^6;//使能端口
sbit PSB = P2^1;//串并口选择端口/*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)//延时函数
{uint i,j;for(i= x;i>0;i--)for(j=110;j>0;j--);
}void write_cmd(uchar cmd)//写指令函数
{lcdrs = 0;lcdwr = 0;P0 = cmd;lcden = 1;delay1ms(5);//
lcden = 0;
}void write_date(uchar date)//写数据函数
{lcdrs = 1;lcdwr = 0;P0 = date;lcden = 1;delay1ms(5);//
lcden = 0;
}void write_string(uchar *str)//写入字符串函数
{for(;*str!='\0';str++){write_date(*str);delay1ms(2);}}void init_12864()
{PSB = 1;//并口方式传送数据write_cmd(0x30);//基本指令操作write_cmd(0x0c);//开显示，关光标write_cmd(0x01);//清除lcd的显示内容
}void lcd_putpic(unsigned char code *img)//画图函数
{uint i,j;//画图上半部分for(i = 0;i<32;i++){write_cmd(0x80+i);//
write_cmd(0x80);//
for(j=0;j<16;j++){write_date(*img);img++;}}//画下部分的屏幕 for(i = 0;i<32;i++){write_cmd(0x80+i);//设定列write_cmd(0x88);//从第三行开始画图for(j=0;j<16;j++){write_date(*img);img++;}}
}void setpic()//设定画图功能的函数
{write_cmd(0x36);//设定画图其画图功能delay1ms(5);
}void lcd_pos(uchar x,uchar y)//设定显示位置的函数
{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);
}View Code
hongwai.c
#include<reg52.h>
#include"12864.h"
sbit led = P3^5;
sbit hongwai = P3^6;uchar flag;uchar hwgy()
{hongwai = 1;while(1){ if(hongwai ==1)//检测到高电平的话，延时一下
{delay1ms(20);if(hongwai == 1)//再次检测一下
{led = 0;flag = 1;return flag;break;}}else{led = 1;flag = 0;return flag;}}}View Code
头文件：
12864.h
#ifndef __12864_H__ #define _12864_H__#include<reg52.h> 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);//延时函数 void write_cmd(uchar cmd);//写指令函数 void write_date(uchar date);//写数据函数void init_12864(); void lcd_putpic(unsigned char code *img);//画图函数 void setpic();//设定画图功能的函数 void lcd_pos(uchar x,uchar y);//设定显示位置的函数 void write_string(uchar *str);//红外感应模块 uchar hwgy(); #endif
View Code
main.h
#ifndef __MIAN_H_ #define __MIAN_H_// //端口定义 / //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; / //函数原型 / 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
View Code
rc522.h
/ //函数原型 / 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/ //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 //防冲撞 #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 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)
View Code
完整版本的程序：请见：http://download.csdn.net/detail/generoius/6700269
版权所有：转载请注明链接地址：http://www.cnblogs.com/fengdashen/p/3469995.html
转载于:https://www.cnblogs.com/fengdashen/p/3469995.html
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