门禁C语言程序

1、#include<>#include<>#defineLed_datXBYTE0xcfe8#defineLed_ctlXBYTE0xcfe9#definePortAXBYTE0xcfa0#definePortBXBYTE0xcfa1#definePortCtrXBYTE0xcfa3typedefunsignedcharuchar;bitcard_on;sbitcard_pwr=P1A0;/*IC卡的电源控制*/sbitok=P1A1；/*身份识别标志*/xdataunsignedlongkey_value,id10;xdataucharidadd=10,key_num=

2、0;voidINI8255(uchardat);/*8255的配置程序*/voidICCARDW(ucharadd,uchardat);ucharICCARDR(ucharadd);voidICCARDSTART(void);voidICCARDSTOP(void);voidICCARDWb(uchardat);voidICCARDACK(void);/*函数定义*/voidDisplay_byte(ucharloc,uchardat)uchartable=0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e

3、,0x79,0x71;loc&=0xf;Led_ctl=loc|0x80;Led_dat=tabledat&0xf;/*显示低4位*/unsignedlongkey(uchartemp)switch(temp)case0xc0:return0;case0xc1:return1;case0xc2:return2;case0xc3:return3;case0xc6:return4;case0xc7:return5;case0xc8:return6;case0xc9:return7;case0xcc:return8;case0xcd:return9;case0xce:return10

4、;case0xcf:return11;case0xd2:return12;case0xd3:return13;case0xd4:return14;case0xd5:return15;default:return16;voiddellay(unsignedintt)for(;t>0;t-);voidcard_insert(void)interrupt0card_on=1;card_pwr=1;voidcard_wr(void)interrupt2chari;staticcharnum=0;unsignedlongdat=0;card_pwr=1;for(i=0;i<3;i+)ICCA

5、RDW(idadd+i,key_value>>(16-i*8);for(i=0;i<3;i+)dat|=(unsignedlong)ICCARDR(idadd+i)<<(16-i*8);if(dat&0xffffff)!=(key_value&0xffffff)for(i=0;i<6;i+)Display_byte(i,15);elseidnum+=dat;if(num>10)num=0;for(i=0;i<6;i+)Display_byte(i,0);card_pwr=0;key_num=0;EX0=1;/*函数名称:voidI

6、NI8255(uchardat)函数说明:对8255进行配置输入参数:配置字节输出参数:无*/voidINI8255(uchardat)PortCtr=dat;/*函数名称:voidICCARDWb(uchardat)函数说明:向IC卡内写入字节数据输入参数:写入的数据输出参数:*/voidICCARDWb(uchardat)uchari,temp;for(i=0;i<8;i+)dellay(10);temp=dat;temp&=0x80;if(temp)PortA=1;elsePortA=0;dellay(10);PortB=1;dellay(10);PortB=0;dat&l

7、t;<=1;dat&=0xff;/*函数名称:voidICCARDW(ucharadd,uchardat)函数说明:向IC卡内指定地址写入指定数据输入参数:欲写入的地址和数据输出参数:无*/voidICCARDW(ucharadd,uchardat)ICCARDSTART();/*ICCARDWb(0xa0);/*ICCARDACK();ICCARDWb(add);/*ICCARDACK();ICCARDWb(dat);/*ICCARDACK();ICCARDSTOP();启动IC卡的操作*/启动IC卡的写操作*/写入地址字节*/写入数据*/*函数名称:ucharICCARDR(

8、ucharadd)函数说明:向从IC卡内指定地址读出数据输入参数:要读的地址输出参数:读出的数据*/ucharICCARDR(ucharadd)uchari,temp,temp1;ICCARDSTART();/*ICCARDWb(0xa0);/*ICCARDACK();ICCARDWb(add);/*ICCARDACK();ICCARDSTART();/*ICCARDWb(0xa1);/*启动IC卡的操作*/启动IC卡的写操作*/写入地址字节*/启动IC卡的操作*/启动IC卡的读操作*/ICCARDACK();配置8255的A口为输入,B口输出*/INI8255(0x99);/*dellay(

9、10);for(i=0;i<8;i+)temp<<=1;PortB=1;dellay(10);temp1=PortA;temp1&=1;if(temp1)temp|=1;PortB=0;dellay(10);ICCARDSTOP();returntemp;/*函数名称:voidICCARDSTART(void)函数说明:启动IC卡的操作输入参数:无输出参数:无*/voidICCARDSTART(void)INI8255(0x89);/*配置8255的A口为输出,B口输出*/PortB=0;/*时钟位变低*/dellay(10);PortA=1;/*数据位变高*/del

10、lay(10);PortB=1;/*时钟位变高*/dellay(10);PortA=0;/*数据位变低*/dellay(10);PortB=0;/*时钟位变低*/*函数名称:voidICCARDSTOP(void)函数说明:结束对IC卡的操作输入参数:无/*函数名称函数说明输入参数输出参数输出参数:无*/voidICCARDSTOP(void)INI8255(0x89);/*配置8255的A口为输出,B口输出*/dellay(10);PortA=0;/*数据位变低*/PortB=1;/*时钟位变高*/dellay(10);PortA=1;dellay(10);/*数据位变高*/voidICCA

11、RDACK(void)监测字节操作是否结束无无*/voidICCARDACK(void)uchartemp;INI8255(0x99);/*PortB=1;/*dellay(10);temp=PortA;temp&=1;while(temp)temp=PortA;temp&=1;PortB=0;/*INI8255(0x89);/*dellay(10);配置8255的A口为输入,B时钟位变高*/数据位变低*/配置8255的A口为输出,B口输出口输出*/*/*主函数*voidmain()unsignedchari,temp;unsignedlongtmp;Led_ctl=0xd1;

12、while(Led_ctl&0x80)=0x80);Led_ctl=0x31;IE=0x85;/*允许外部中断0中断*/IT0=1;/*外部中断0为边沿触发*/IT1=1;/*外部中断1为边沿触发*/card_on=0;card_pwr=0;key_num=0;while(1)if(card_on)ok=1;tmp=0;for(i=0;i<3;i+)temp=ICCARDR(idadd+i);tmp|=(unsignedlong)temp<<(16-i*8);Display_byte(2*i,(temp&0xf0)>>4);Display_byte(2*i+1,temp&0xf);card_on=0;card_pwr=0;for(i=0;i<10;i+)if(tmp=idi)ok=0;dellay(30000);ok=1;tmp=0;break;if(Led_ctl&0xf)>0)EX0=0;Led_ctl=0x