#44键盘和8位数码管显示构成的电子密码锁14454.docx

1、#44键盘和8位数码管显示构成的电子密码锁14454C语言源程序#include unsigned char ps=1,2,3,4,5;unsigned char code dispbit=0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f;unsigned char code dispcode=0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71,0x00,0x40,0x73,0xff;unsigned char dispbuf8=18,16,16,16,16

2、,16,16,16;unsigned char dispcount;unsigned char flashcount;unsigned char temp;unsigned char key;unsigned char keycount;unsigned char pslen=5;unsigned char getps6;bit keyoverflag;bit errorflag;bit rightflag;unsigned int second3;unsigned int aa,bb;unsigned int cc;bit okflag;bit alarmflag;bit hibitflag

3、;unsigned char oka,okb;void main(void)unsigned char i,j;TMOD=0x01;TH0=(65536-500)/256;TL0=(65536-500)%256;TR0=1;ET0=1;EA=1;while(1)P3=0xff;P3_4=0;temp=P3;temp=temp & 0x0f;if (temp!=0x0f)for(i=10;i0;i-)for(j=248;j0;j-);temp=P3;temp=temp & 0x0f;if (temp!=0x0f)temp=P3;temp=temp & 0x0f;switch(temp)case

4、0x0e:key=7;break;case 0x0d:key=8;break;case 0x0b:key=9;break;case 0x07:key=10;break;temp=P3;P1_1=P1_1;if(key=0) & (key10)if(keycount6)keycount=6;keyoverflag=1;/key overflowelse if(key=12)/delete keyif(keycount0)keycount-;getpskeycount=0;dispbufkeycount+2=16;elsekeyoverflag=1;else if(key=15)/enter ke

5、yif(keycount!=pslen)errorflag=1;rightflag=0;second3=0;elsefor(i=0;i0;i-)for(j=248;j0;j-);temp=P3;temp=temp & 0x0f;if (temp!=0x0f)temp=P3;temp=temp & 0x0f;switch(temp)case 0x0e:key=4;break;case 0x0d:key=5;break;case 0x0b:key=6;break;case 0x07:key=11;break;temp=P3;P1_1=P1_1;if(key=0) & (key10)if(keyco

6、unt6)keycount=6;keyoverflag=1;/key overflowelse if(key=12)/delete keyif(keycount0)keycount-;getpskeycount=0;dispbufkeycount+2=16;elsekeyoverflag=1;else if(key=15)/enter keyif(keycount!=pslen)errorflag=1;rightflag=0;second3=0;elsefor(i=0;i0;i-)for(j=248;j0;j-);temp=P3;temp=temp & 0x0f;if (temp!=0x0f)

7、temp=P3;temp=temp & 0x0f;switch(temp)case 0x0e:key=1;break;case 0x0d:key=2;break;case 0x0b:key=3;break;case 0x07:key=12;break;temp=P3;P1_1=P1_1;if(key=0) & (key10)if(keycount6)keycount=6;keyoverflag=1;/key overflowelse if(key=12)/delete keyif(keycount0)keycount-;getpskeycount=0;dispbufkeycount+2=16;

8、elsekeyoverflag=1;else if(key=15)/enter keyif(keycount!=pslen)errorflag=1;rightflag=0;second3=0;elsefor(i=0;i0;i-)for(j=248;j0;j-);temp=P3;temp=temp & 0x0f;if (temp!=0x0f)temp=P3;temp=temp & 0x0f;switch(temp)case 0x0e:key=0;break;case 0x0d:key=13;break;case 0x0b:key=14;break;case 0x07:key=15;break;t

9、emp=P3;P1_1=P1_1;if(key=0) & (key10)if(keycount6)keycount=6;keyoverflag=1;/key overflowelse if(key=12)/delete keyif(keycount0)keycount-;getpskeycount=0;dispbufkeycount+2=16;elsekeyoverflag=1;else if(key=15)/enter keyif(keycount!=pslen)errorflag=1;rightflag=0;second3=0;elsefor(i=0;ikeycount;i+)if(getpsi!=psi)i=keycount;error