单片机电子时钟课程设计（含源代码和仿真图）

#include<reg52.h> #include<CZJ_FUN.h> /********************************************* clock写入 **********************************************/ void write_clock(uchar address,uchar date) { uchar s,g; s=date/10; g=date%10; write_com(0x80+address); write_data(0x30+s); write_data(0x30+g); } /*********************************************** 显示时钟 ***********************************************/ void display_clock() { int j; write_com(0x01); write_com(0x06); write_com(0x80+0x03); for(j=0;j<11;j++) { write_data(table2[j]); } write_com(0x80+0x45); for(j=0;j<8;j++) { write_data(table3[j]); } TMOD=0x01; TH0=(65536-50000)/256; TL0=(65536-50000)%256; EA=1; ET0=1; TR0=1; } /*********************************************** 中断加时间 ************************************************/ void time0() interrupt 1 { TH0=(65536-50000)/256; TL1=(65536-50000)%256; count++; if(count==20) { count=0; miao++; if(miao==60) { miao=0; fen++; if(fen==60) { fen=0; shi++; if(shi==24) { shi=0; day++; if(mon==1||mon==3||mon==5||mon==7||mon==8||mon==10||mon==12) { temp=1; } if(mon==4||mon==6||mon==9||mon==11) { temp=0; } if(mon==2) { if(y==0) { if(day==30) { day=1; mon++ ; } write_clock(0x0B,day); write_clock(0x08,mon); } else { { if(day==29) { day=1; mon++ ; } write_clock(0x0B,day); write_clock(0x08,mon); } } } if(day==32&&temp==1) { day=1; mon++ ; if(mon==13) { mon=1; year1++; if(year1==100) { year1=0; year2++; write_clock(0x03,year1); } write_clock(0x05,year1); } write_clock(0x08,mon); } write_clock(0x0B,day); if(day==31&&temp==0) { day=1; mon++ ; if(mon==13) { mon=1; year1++; if(year1==100) { year1=0; year2++; write_clock(0x03,year1); } write_clock(0x05,year1); } write_clock(0x08,mon); } write_clock(0x0B,day); } write_clock(0x45,shi); } write_clock(0x48,fen); } write_clock(0x4B,miao); } } /********************************************************** clock 修改 **********************************************************/ void keyscan() { if(s1==0) { delayx(5); if(s1==0) { num1++; while(!s1); if(num1==1) { TR0=0; write_com(0x80+0x40+11); write_com(0x0f); } if(num1==2) { write_com(0x80+0x40+8); write_com(0x0f); } if(num1==3) { write_com(0x80+0x40+5); write_com(0x0f); } if(num1==4) { write_com(0x80+0x0B); write_com(0x0f); } if(num1==5) { write_com(0x80+0x08); write_com(0x0f); } if(num1==6) { write_com(0x80+0x03); write_com(0x0f); } if(num1==7) { TR0=1; num1=0; write_com(0x0C); } } } if(s2==0) { delayx(5); if(s2==0) { while(!s2); if(num1==1) { miao++; if(miao==60) { miao=0; } write_clock(0x4B,miao); write_com(0x80+0x40+11); } if(num1==2) { fen++; if(fen==60) { fen=0; } write_clock(0x48,fen); write_com(0x80+0x40+8); } if(num1==3) { shi++; if(shi==24) { shi=0; } write_clock(0x45,shi); write_com(0x80+0x40+5); } if(num1==4) { if(mon==1||mon==3||mon==5||mon==7||mon==8||mon==10||mon==12) { temp=0; } if(mon==4||mon==6||mon==9||mon==11) { temp=1; } if(mon==2) { if(y==0) { temp=3; } else { temp=4; } } if(temp==0) { day++; if(day==32) { day=1; } write_clock(0x0B,day); write_com(0x80+0x0B); } if(temp==1) { day++; if(day==31) { day=1; } write_clock(0x0B,day); write_com(0x80+0x0B); } if(temp==3) { day++; if(day==30) { day=1; } write_clock(0x0B,day); write_com(0x80+0x0B); } if(temp==4) { day++; if(day==29) { day=1; } write_clock(0x0B,day); write_com(0x80+0x0B); } } if(num1==5) { mon++; if(mon==13) { mon=1; } write_clock(0x08,mon); write_com(0x80+0x08); } if(num1==6) { year1++; if(year1==100) { year1=1; year2++; } write_clock(0x05,year1); write_clock(0x03,year2); write_com(0x80+0x03); } } } if(s3==0) { delayx(5); if(s3==0) { while(!s3); if(num1==1) { miao--; if(miao==-1) { miao=59; } write_clock(0x4B,miao); write_com(0x80+0x40+11); } if(num1==2) { fen--; if(fen==-1) { fen=59; } write_clock(0x48,fen);