门禁C语言程序

1、#includeinclude#defineLed_datXBYTE0xcfe8#defineLed_ctlXBYTE0xcfe9#definePortAXBYTEtOxcfaO#definePortBXBYTEtOxcfal#definePortCtrXBYTE0xcfa3typedefunsigned char uchar;bit card_on;sbit card_pwr = PI O; /*IC 卡的电源控制*/ sbit ok二Pll;/*身份识别标志*/xdata unsigned long key_value, id10;xdata uchar idadd = 10, key_n

2、um = 0;void INI8255(uchar dat);void ICCARDW(uchar add, uchar dat); uchar ICCARDR(uchar add);void ICCARDSTART(void);void ICCARDSTOP(void);void ICCARDR (uchar dat);void ICCARDACK(void);/*8255的配置程序柠*函数泄义*void Display_byte(uchar loc,uchar dat)uchartable = 0x3ft 0x06, 0x5b, 0x4f, 0x66, 0x6d, 0x7d, 0x07,

3、0x7f, 0x6f, 0x77, 0x7c, 0x39, 0x5e, 0x79, 0x71;loc &二Oxf;Led_ctl = loc 0x80;Led_dat = table dat&Oxf ;/*显示低 4 位*/unsigned long key(uchar temp)switch (temp)case OxcO:return 0;case Oxcl:return 1;case 0xc2: return 2;case 0xc3: return 3;case 0xc6: return 4;case 0xc7: return 5;case 0xc8: return 6;case 0xc

4、9: return 7;case Oxcc: return 8;case Oxcd: return 9;case Oxce: return 10;case Oxcf: return 11;case 0xd2: return 12;case 0xd3: return 13;case Oxd4: return 14;case 0xd5: return 15;default: return 16;void dellay(unsigned int t) for(;t0;t);void card_insert(void) interrupt 0 card_on = 1;card_puT = 1;void

5、 car(void) interrupt 2char i;static char num = 0;unsigned long dat = 0;card_puT = 1;for(i=0;i3;i+)ICCRDW(idadd+i, key_value (16-i*8);for(i=0;i3;i+)dat = (unsigned long) ICGRDR(idadd+i)(16-i*8);if (dat&Oxffffff)!= (key_value&Oxffffff)for(i=0;i10) num = 0;for(i=0;i6;i+)Display_byte(i, 0);card_puT = 0;

6、key_num = 0;EXO = 1;W MM OHM函数名称:void INI8255(uchar dat)函数说明：对8255进行配置输入参数：配置字节输出参数：无MM OHM*MHOwMMV fllBV void INI8255(uchar dat)PortCtr = dat;函数名称:void ICCARDWb (uchar dat)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：*/ void ICCARDWb(uchar dat)uchar i, temp;for(i=0;i / SHM MBMflHM *MHO MMBflBMBflHMW* Wuchar ICCA

7、RDR (uchar add)uchar i, temp, tempi;ICCARDSTARTO ;/*启动 IC 卡的操作*/ICCARDWb(OxaO); /*启动IC卡的写操作*/ ICCARDACKO ;ICCARDWb (add);/*写入地址字节*/ICCARDACKO ;ICCARDSTARTO ;/*启动 IC 卡的操作*/ICCARDWb(Oxal); /*启动IC卡的读操作*/ ICCARDACKO ;INI8255(0x99);/*配置 8255 的 A 口为输入,B 口输出*/dellay(10);for(i=0;i8;i+)temp=l;PortB 二 1;della

8、y (10);tempi = PortA ;tempi &=1;if(tempi) temp 二 1;PortB = 0;dellay (10);ICCARDSTOPO;return temp;函数名称:void ICCARDSTART(void)函数说明：启动IC卡的操作输入参数：无输出参数：无心/ MMMHOWMMV fllBVvoid ICCARDSTART(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*/dellay(10);PortB二1;/*时

9、钟位变高*/dellay(10);PortA二0;/*数据位变低*/dellay(10);PortB = 0;/*时钟位变低*/函数名称:void ICCARDSTOP(void) 函数说明：结朿对IC卡的操作 输入参数：无输出参数：无void ICCARDSTOP(void)INI8255(0x89);/*配置 8255 的 A 口为输出，B 口输出*/dellay(10);PortA二0;/*数据位变低*/PortB二1;/*时钟位变髙*/dellay(10);PortA =1;/*数据位变高*/dellay(10);函数名称:void ICCARDACK(void)函数说明：监测字节操作

10、是否结束输入参数：无输出参数：无Wvoid ICCARDACK(void)uchar temp;INI8255(0x99);/*配置 8255 的 A 口为输入,B 口输出*/PortB = 1;/*时钟位变髙*/dellay(10);temp = PortA;temp &二1;while(temp)temp = PortA;temp &二1;PortB二0;/*数据位变低*/INI8255 (0x89);/*配宜 8255 的 A 口为输出，B 口输出 */dellay(10);/*主函数void mainOunsigned char i, temp;unsigned long tmp;Le

11、d_ctl = Oxdl;while(Led_ctl&0x80)=0x80);Led_ctl = 0x31;IE = 0x85;/*允许外部中断0中断*/ITO = 1;/*外部中断0为边沿触发*/IT1二1;/*外部中断1为边沿触发*/card_on = 0;card_pwr = 0;key_num = 0;while(l)if(card_on)ok = 1;tmp = 0;for(i=0;i3;i+)temp 二 ICCARDR(idadd+i);tmp = (unsigned long) temp (16-i*8);Display_byte(2*i, (temp&OxfO)4);Display_byte(2*i+l, temp&0xf);card_on = 0; card_pwr = 0;for(i=0;i0)EXO = 0;Led_ctl = 0x40;temp