基于stc89c51單片機(jī)的1602液晶簡易萬年歷

基于stc89c51單片機(jī)的簡易萬年歷//基于stc89c51單片機(jī)的簡易萬年歷設(shè)計//zzuli-wuzhipeng#include<reg52.h>#defineucharunsignedchar#defineuintunsignedintucharshi=0,fen=0,miao=0,ri=7,yue=1,Z=1,Y=1,i,K1num;uintnian=2015;ucharcount_10ms,K1num;sbitrs=P2^0;sbitrw=P2^1;sbitlcden=P2^2;sbitK1=P3^0;sbitK2=P3^1;sbitK3=P3^2;sbitBEEP=P3^7;voiddelay(uintx)//簡單延時程序{ uinta,b; for(a=x;a>0;a--) for(b=10;b>0;b--);}bi(uintt)//控制響鈴時間程序{intc,n;for(c=0;c<t;c++){for(n=0;n<50;n++);BEEP=~BEEP;}return(t);}voidwrite_com(ucharcom)// 1602液晶寫指令{ P0=com; rs=0; rw=0; lcden=0; delay(10); lcden=1; delay(10); lcden=0; }voidwrite_date(uchardate)//1602液晶寫數(shù)據(jù){ P0=date; rs=1; rw=0; write_com(0x06); write_com(0x01); }voidtimer1_init()//定時器初始化{TMOD=0x01;TH0=0x4c;TL0=0x00;EA=1;ET0=1;TR0=1;}voidtimer0()interrupt1using0// 中斷程序{TH0=0x4c;TL0=0x00;count_10ms++;if(count_10ms==20){count_10ms=0; miao++; if(miao==60) { miao=0; fen++; if(fen==60) { fen=0; shi++; if(shi==24) { shi=0; if(yue==1||yue==3||yue==5||yue==7||yue==8||yue==10||yue==12) {ri++;if(ri==32){ri=1;yue++;if(yue==13){nian++;yue=1;}}} elseif(yue==4||yue==6||yue==9||yue==11) {ri++;if(ri==31){ri=1;yue++;if(yue==13){nian++;yue=1;}}} elseif(yue==2) { if((!(nian%4)&&(nian%100))||!(nian%400)) {ri++;if(ri==30){ri=1;yue++;if(yue==13){nian++;yue=1;}}} else {ri++;if(ri==29){ri=1;yue++;if(yue==13){nian++;yue=1;}}}} } } }}}voidkeycan()//鍵盤處理程序{if(K1==0)//功能選擇鍵{K1num++;delay(1); if(K1==0) { while(!K1); bi(200);if(K1num==1){TR0=0;write_com(0x80+0);write_com(0x0f);} if(K1num==2){write_com(0x80+3);write_com(0x0f);} if(K1num==3){write_com(0x80+6);write_com(0x0f);} if(K1num==4){write_com(0x80+11);write_com(0x0f);} if(K1num==5){write_com(0x80+14);write_com(0x0f);} if(K1num==6){write_com(0xc0+3);write_com(0x0f);} if(K1num==7){write_com(0xc0+6);write_com(0x0f);} if(K1num==8){write_com(0xc0+9);write_com(0x0f);} if(K1num==9){K1num=0;write_com(0x0c);TR0=1;} }}if(K1num!=0) //功能加 { if(K2==0) { delay(1); if(K2==0) { while(!K2); bi(200);if(K1num==1){shi++;if(shi==24)shi=0;shijian(shi,0x80+0);write_com(0x80);} if(K1num==2){fen++;if(fen==60)fen=0;shijian(fen,0x80+3);write_com(0x80+3);} if(K1num==3){miao++;if(miao==60)miao=0;shijian(miao,0x80+6);write_com(0x80+60);} if(K1num==4){Z++;if(Z==24)Z=0;shijian(Z,0x80+11);write_com(0x80+11);} if(K1num==5){Y++;if(Y==60)Y=0;shijian(Y,0x80+14);write_com(0x80+14);} if(K1num==6){nian++;if(nian==2999)nian=2015;shijian(nian,0xc0+0);write_com(0xc0+0);} if(K1num==7){yue++;if(yue==13)yue=1;shijian(yue,0xc0+5);write_com(0xc0+5);} if(K1num==8){ri++; if(yue==1||yue==3||yue==5||yue==7||yue==8||yue==10||yue==12) {if(ri==32){ri=1;}} elseif(yue==4||yue==6||yue==9||yue==11) {if(ri==31){ri=1;}} elseif(yue==2) { if((!(nian%4)&&(nian%100))||!(nian%400)) {if(ri==30){ri=1;}} else {if(ri==29){ri=1;}} } shijian(ri,0xc0+8);write_com(0xc0+8); } } } } if(K1num!=0) //功能減 { if(K3==0) { delay(1); if(K3==0) { while(!K3); bi(200);if(K1num==1){shi--;if(shi==-1)shi=23;shijian(shi,0x80+0);write_com(0x80);} if(K1num==2){fen--;if(fen==-1)fen=59;shijian(fen,0x80+3);write_com(0x80+3);} if(K1num==3){miao--;if(miao==-1)miao=59;shijian(miao,0x80+6);write_com(0x80+6);} if(K1num==4){Z--;if(Z==-1)Z=23;shijian(Z,0x80+11);write_com(0x80+11);} if(K1num==5){Y--;if(Y==-1)Y=59;shijian(Y,0x80+14);write_com(0x80+14);} if(K1num==6){nian--;if(nian==1000)nian=2015;shijian(nian,0xc0+0);write_com(0xc0+0);} if(K1num==7){yue--;if(yue==0)yue=12;shijian(yue,0xc0+5);write_com(0xc0+5);} if(K1num==8){ri--; if(yue==1||yue==3||yue==5||yue==7||yue==8||yue==10||yue==12) {if(ri==0){ri=31;}} elseif(yue==4||yue==6||yue==9||yue==11) {if(ri==0){ri=30;}} elseif(yue==2) { if((!(nian%4)&&(nian%100))||!(nian%400)) {if(ri==0){ri=29;}}