#include<reg51.h>
#define uchar unsigned char #define uint unsigned int uchar code table[]="00:00:00 XINQI"; uchar code table1[]="2000-01-01 * 1 *"; uchar code table2[]={0x80,0x87,0x86,0x84,0x83,0x81,0x80, 0xc2,0xc3,0xc5,0xc6,0xc8,0xc9,0xcd}; sbit lcde=P2^7; sbit rd=P2^6; sbit rw=P2^5; sbit k1=P2^0; sbit k2=P2^1; sbit k3=P2^2; sbit k4=P2^3; uchar tt,shi,fen,miao,nian,yue=1,ri=1,xinqi=1,temp; void delay(uchar z) { uchar x,y; for(x=z;x>0;x--) for(y=110;y>0;y--); } void write_com(uchar com)//写命令 { lcde=0; rd=0; rw=0; P0=com; delay(5); lcde=1; delay(5); lcde=0; } void write_dat(uchar dat)//写数据 { lcde=0; rd=1; rw=0; P0=dat; delay(5); lcde=1; delay(5); lcde=0; } void init() { uchar num; lcde=0; write_com(0x38); write_com(0x0c); write_com(0x06); write_com(0x01); for(num=0;num<16;num++) write_dat(table[num]); write_com(0xc0); for(num=0;num<16;num++) write_dat(table1[num]); TMOD=0x01; TH0=(65536-50000)/256; TL0=(65536-50000)%6; EA=1; ET0=1; TR0=1; } void write_sfm(uchar add,uchar date)//写时分秒 { write_com(0x80+add); write_dat(date/10+'0'); write_dat(date+'0'); } void write_nyr(uchar addr,uchar dater)//写年月日 { write_com(0xc0+addr); write_dat(dater/10+'0'); write_dat(dater+'0'); } void write_xinqi(uchar addrr,uchar xinqi)//写星期 { write_com(0xc0+addrr); write_dat(xinqi+'0'); } void ksycan() { if(k1==0)//功能键 { delay(5); if(k1==0) { while(!k1); TR0=0; temp++; if(temp==14) temp=1; write_com(table2[temp]);//光标定位在秒个位 write_com(0x0f);//开光标闪烁 } } if(temp!=0) { if(k2==0)//加调整 { delay(5); if(k2==0) { while(!k2); if(temp==1) { miao=(miao/10)*10+(miao+1);//按一次秒个位+1 write_sfm(6,miao);//刷新秒显示 } if(temp==2) { miao=(miao/10+1)%6*10+(miao);//按一次秒十位+1 write_sfm(6,miao); } if(temp==3) { fen=(fen/10)*10+(fen+1); write_sfm(3,fen); } if(temp==4) { fen=(fen/10+1)%6*10+(fen); write_sfm(3,fen); } if(temp==5) { shi=(shi/10)*10+(shi+1); write_sfm(0,shi); } if(temp==6) { shi=(shi/10+1)%3*10+(shi); write_sfm(0,shi); } if(temp==7) { nian=(nian/10+1)*10+(nian); write_nyr(2,nian); } if(temp==8) { nian=(nian/10)*10+(nian+1); write_nyr(2,nian); } if(temp==9) { yue++; if(yue==13) yue=1; write_nyr(5,yue); } if(temp==10) { yue++; if(yue==13) yue=1; write_nyr(5,yue); } if(temp==11) { ri=(ri/10+1)%4*10+(ri); write_nyr(8,ri); } if(temp==12) { ri=(ri/10)*10+(ri+1); write_nyr(8,ri); } if(temp==13) { xinqi++; if(xinqi==8) xinqi=1; write_xinqi(13,xinqi); } write_com(table2[temp]);//光标定位在当前调整位置 } } if(k3==0)//减调整 { delay(5); if(k3==0) { while(!k3); if(temp==1) { miao=(miao/10)*10+(miao+9);//秒个位-1 write_sfm(6,miao);//刷新秒显示 } if(temp==2) { miao=((miao/10+9))*10+(miao);//秒十位-1 if(miao/10==9) miao=50+miao; write_sfm(6,miao); } if(temp==3) { fen=(fen/10)*10+(fen+9); write_sfm(3,fen); } if(temp==4) { fen=((fen/10+9))*10+(fen); if(fen/10==9) fen=50+fen; write_sfm(3,fen); } if(temp==5) { shi=(shi/10)*10+((shi+9)); write_sfm(0,shi); } if(temp==6) { shi=((shi/10+9))%7*10+(shi); write_sfm(0,shi); } if(temp==7) { nian=(nian/10+9)*10+(nian); write_nyr(2,nian); } if(temp==8) { nian=(nian/10)*10+(nian+9); write_nyr(2,nian); } if(temp==9) { yue--; if(yue==0) yue=12; write_nyr(5,yue); } if(temp==10) { yue--; if(yue==0) yue=12; write_nyr(5,yue); } if(temp==11) { ri=((ri/10+9))%6*10+(ri); write_nyr(8,ri); } if(temp==12) { ri=(ri/10)*10+(ri+9); write_nyr(8,ri); } if(temp==13) { xinqi--; if(xinqi==0) xinqi=7; write_xinqi(13,xinqi); } write_com(table2[temp]);//光标定位在当前调整位置 } } } if(k4==0)//确定键 { delay(5); if(k4==0) { while(!k4); temp=0; write_com(0x0c);//关闭光标闪烁 TR0=1; } } } void main() { init(); while(1) { if(tt==20) { tt=0; miao++; if(miao==60) { miao=0; fen++; if(fen==60) { fen=0; shi++; if(shi==24) { shi=0; xinqi++; if(xinqi==8) xinqi=1; write_xinqi(13,xinqi);//刷新星期显不 ri++; if(yue==1) { if(ri==32) { ri=1; yue++; } } if(yue==2) { if(nian%4==0)//闰年（29天） { if(ri==30) { ri=1; yue++; } } else { if(ri==29)//平年28天 { ri=1; yue++; } } } if(yue>2) { if(yue<=7)//三月到7月 { if(yue%2==0)//小月30天 { if(ri==31) { ri=1; yue++; } } else//大月31天 { if(ri==32) { ri=1; yue++; } } } if(yue>7)//8到12月 { if(yue%2==0)//大月31天 { if(ri==32) { ri=1; yue++; } } else//小月30天 { if(ri==31) { ri=1; yue++; } } } } write_nyr(8,ri);//刷新日显示 if(yue==13) { yue=1; nian++; if(nian==100) nian=0; write_nyr(2,nian);//刷新年显示 } write_nyr(5,yue);//刷新月显示 } write_sfm(0,shi);//刷新时显示 } write_sfm(3,fen);//刷新分显示 } write_sfm(6,miao);//刷新秒显示 } ksycan(); } } void dingshi() interrupt 1 { TH0=(65536-50000)/256; TL0=(65536-50000)%6; tt++; } -电子元器件采购网（www.ruidan.com）是本土元器件目录分销商，采用“小批量、现货、样品”销售模式，致力于满足客户多型号、高质量、快速交付的采购需求。 自建高效智能仓储，拥有自营库存超过50,000种，提供一站式正品现货采购、个性化解决方案、选型替代等多元化服务。