电子密码锁程序.doc

/* 简易6位密码锁利用单片机STC89C52RC为基数设计的*/#include#define uchar unsigned char#define uint unsigned intsbit lcdrs=P21; /液晶数据指令端sbit lcdrw=P22; /读，写端sbit lcden=P23; /液晶使能端sbit speaker=P32;/扬声器sbit led=P20; / 控制LED uchar code table= enter password; /输入密码uchar code table1=error!try again; /错误!再试一次uchar code table2= welecome!; /解锁成功uchar code table4=set password; /重置密码uchar code table5=input again:; /在输入密码uchar code table6= fuck you!; / 混蛋uchar code table7= get out!; / 滚开uchar code table8= set succeed; /成功咯！bit flag,flag1,flag2,flag3,flag4,flag5,rst;uchar key,count;/* 延时函数*/void delayms(uint x) uint i,j; for(i=x;i0;i-) for(j=110;j0;j-);/* 液晶指令函数*/void write_com(uchar com) lcdrw=0; lcdrs=0; P0=com; delayms(5); lcden=1; delayms(5); lcden=0; /* 液晶写数据函数*/void write_data(uchar date) lcdrw=0; lcdrs=1; P0=date; delayms(5); lcden=1; delayms(5); lcden=0;/* 液晶初始化函数*/void lcdinit() lcden=0; write_com(0x38); write_com(0x06); write_com(0x0f); write_com(0x01);/* 键盘扫描函数*/void keyscan() uchar temp; P1=0xfe; if(P1!=0xfe) delayms(8); if(P1!=0xfe) temp=0xf0&P1; switch(temp) case 0xe0:key=1;write_data(*);flag5=1;count+;break; case 0xd0:key=4;write_data(*);flag5=1;count+;break; case 0xb0:key=7;write_data(*);flag5=1;count+;break; case 0x70:flag=1;break; while(P1!=0xfe); speaker=1; delayms(8); speaker=0; P1=0xfd; if(P1!=0xfd) delayms(8); if(P1!=0xfe) temp=0xf0&P1; switch(temp) case 0xe0:key=2;write_data(*);flag5=1;count+;break;case 0xd0:key=5;write_data(*);flag5=1;count+;break;case 0xb0:key=8;write_data(*);flag5=1;count+;break;case 0x70:key=0;write_data(*);flag5=1;count+;break; while(P1!=0xfd); speaker=1; delayms(8); speaker=0; P1=0xfb; if(P1!=0xfb) delayms(8); if(P1!=0xfb) temp=0xf0&P1; switch(temp) case 0xe0:key=3;write_data(*);flag5=1;count+;break; case 0xd0:key=6;write_data(*);flag5=1;count+;break; case 0xb0:key=9;write_data(*);flag5=1;count+;break; case 0x70:rst=1; break; while(P1!=0xfb); speaker=1; delayms(8); speaker=0; P1=0xf7; if(P1!=0xf7) delayms(8); if(P1!=0xf7); temp=0xf0&P1;switch(temp) case 0xe0:switch(count) case 1: write_com(0xc5);write_data(*);write_com(0xc5);break; case 2: write_com(0xc6);write_data(*);write_com(0xc6);break; case 3: write_com(0xc7);write_data(*);write_com(0xc7);break; case 4: write_com(0xc8);write_data(*);write_com(0xc8);break; case 5: write_com(0xc9);write_data(*);write_com(0xc9);break; case 6: write_com(0xca);write_data(*);write_com(0xca);break;if(0count) count-;break;while(P1!=0xf7); void main() uchar a6,b6,i,num,table36=1,2,3,4,5,6; lcdinit(); speaker=0; led=0; while(1) keyscan(); if(!flag3) write_com(0x0f); write_com(0x80); for(i=0;i15;i+) write_data(tablei); write_com(0xc5); flag3=1; if(num=2) if(flag5) switch(count) case 1:acount-1=key;break; case 2:acount-1=key;break; case 3:acount-1=key;break; case 4:acount-1=key;break; case 5:acount-1=key;break; case 6:acount-1=key;break; flag5=0; if(count=6) if(a0=table30)&(a1=table31)&(a2=table32)&(a3=table33)&(a4=table34)&(a5=table35) if(!flag4) write_com(0x01); write_com(0x80); for(i=0;i13;i+) write_data(table2i); write_com(0x0c); flag=0; flag4=1; rst=0;led=1; while(!rst) keyscan(); if(flag)break; while(flag) keyscan(); if(!flag1) write_com(0x01); write_com(0x0f); write_com(0x80); for(i=0;i13;i+) write_data(table4i); write_com(0xc5); count=0; flag1=1; if(flag5) switch(count) case 1: table3count-1=key;break;case 2: table3count-1=key;break;case 3: table3count-1=key;break;case 4: table3count-1=key;break;case 5: table3count-1=key;break; case 6: table3count-1=key;break; flag5=0; if(count=6) if(!flag2) write_com(0x01);write_com(0x80);for(i=0;i12;i+)write_data(table5i);write_com(0xc5);flag2=1;count=0; while(1) keyscan();if(flag5) switch(count) case 1: bcount-1=key;break; case 2: bcount-1=key;break; case 3: bcount-1=key;break; case 4: bcount-1=key;break; case 5: bcount-1=key;break; case 6: bcount-1=key;break; flag5=0;if(count=6)if(b0=table30)&(b1=table31)&(b2=table32)&(b3=table33)&(b4=table34)&(b5=table35)write_com(0x01);write_com(0x80);for(i=0;i13;i+)write_data(table8i);write_com(0x0c);flag=0;flag1=0;flag2=0;flag3=0;flag4=0;count=0;num=0;while(!rst)keyscan(); else count=0;write_com(0x01);write_com(0x80);for(i=0;i12;i+)write_data(table5i);write_com(0xc5); if(rst) break; if(rst) break; else num+; if(num=2) write_com(0x01); write_com(0x80); for(i=0;i16;i+) write_data(ta