基于51单片机，DS1302,1602实现万年历（年月日时分秒）及闹钟功能的C程序，不要显示农历和温度，谢谢！！

应该是万年历的程序出问题了。也就是计算农历的程序错了，如果是能修改程序的话，是可以修改过来日期的。但是，电子万年历的程序已经固化到硬件里面了，所以，基本不可能修改了，除非找到厂家给你换芯片。

#include<stdioh>

#include<windowsh>

int menu()

{

char ch;

int x;

system("cls");

printf("请选择相应的菜单:\n");

printf("\n");

printf("查询某年某月某日是星期几,输入1回车:\n");

printf("查询某年是否是闰年,输入2回车:\n");

printf("打印某年的全年日历,输入3回车:\n");

printf("退出,输入0回车:\n");

printf("\n");

scanf("%d",&x);

if(x==0)

{

printf("确认退出 Y/N ");

ch=getchar();

scanf("%c",&ch);

if(ch=='Y')

exit(0);

else

main();

}

return x;

}

int judge_week(year,mon,day)

{

int sum,i,flag=0;

if(year%400==0)

flag=1;

else if(year%4==0 && year%100!=0)

flag=1;

sum=30(mon-1)+day;

for(i=1;i<=mon-1;i++)

{

if(i==1 || i==3 || i==5 || i==7 || i==8 || i==10 || i==12)

sum+=1;

if(i==2)

{

if(flag==1)

sum-=1;

if(flag==0)

sum-=2;

}

}

return sum;

}

look_week()

{

int year,mon,day,C,S,k;

char ch,week[7][3]={"日","一","二","三","四","五","六"};

system("cls");

printf("请输入要查询的年月日\nyear month day\n");

scanf("%d %d %d",&year,&mon,&day);

if(year<0 || mon<0 || mon>12 || day<0 || day>31)

{

system("cls");

printf("输入的年月日不正确，请重新输入!");

Sleep(3000);

look_week();

}

C=judge_week(year,mon,day);

S=year-1+(year-1)/4+(year-1)/100+(year-1)/400+C+2;

if(year<=2000 && year>=1901)

S=S+2;

else if(year<=1900)

S+=4;

k=S%7;

system("cls");

printf("\n%d年%d月%d日是星期%s\n\n",year,mon,day,week[k]);

printf("是否要继续查询 Y/N ");

getchar();

ch=getchar();

if(ch=='Y')

look_week();

else

main();

}

look_runnian()

{

int flag=0,year;

char ch;

system("cls");

printf("请输入要查询的年份: ");

scanf("%d",&year);

if(year%400==0)

flag=1;

else if(year%4==0 && year%100!=0)

flag=1;

system("cls");

if(flag==1)

printf("%d是润年\n",year);

else

printf("%d不是润年\n",year);

printf("是否要继续查询 Y/N ");

getchar();

ch=getchar();

if(ch=='Y')

look_runnian();

else

main();

}

print_calendar()

{

int i,j=0,k,C,S,flag=0,m,year,mon,d[31];

char ch,week[7][3]={"日","一","二","三","四","五","六"};

system("cls");

printf("请输入要打印日历的年、月：\nyear month\n");

scanf("%d %d",&year,&mon);

C=judge_week(year,mon,1);

S=year-1+(year-1)/4+(year-1)/100+(year-1)/400+C+2;

if(year<=2000 && year>=1901)

S=S+2;

else if(year<=1900)

S+=4;

k=S%7;

if(year%400==0)

flag=1;

else if(year%4==0 && year%100!=0)

flag=1;

if(mon==1 || mon==3 || mon==5 || mon==7 || mon==8 || mon==10 || mon==12)

m=31;

else if(mon==2)

{

if(flag==1)

m=29;

if(flag==0)

m=28;

}

else

m=30;

for(i=1;i<=m;i++)

d[j++]=i;

system("cls");

printf("%d年%d月的日历如下:\n\n",year,mon);

for(i=0;i<7;i++)

printf("%s\t",week[i]);

putchar(10);

for(i=0;i<k;i++)

printf("\t");

j=k;

for(i=0;i<m;i++)

{

printf("%d\t",d[i]);

j++;

if(j%7==0)

putchar(10);

}

printf("\n\n是否要继续查询 Y/N ");

getchar();

ch=getchar();

if(ch=='Y')

print_calendar();

else

main();

}

main()

{

int a;

a=menu();

switch(a)

{

case 1:look_week();break;

case 2:look_runnian();break;

case 3:print_calendar();break;

default:

{

printf("输入有误，请重新选择相应的菜单:\n");

Sleep(3000);

main();

}

}

}

CD BIT P12;用于液晶

W BIT P36

R BIT P37

CE BIT P17

DATA1 EQU 43H;第一参数

DATA2 EQU 44H;第二参数

COM EQU 45H;命令寄存器

;

ORG 0000H

jmp MAIN

ORG 0100H

;

MAIN:

;;;;;;;;;;;;;;;;;;;液晶初始化;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

MOV COM,#80H ;SET or 模式命令

LCALL WRITEDATA3

NOP

MOV DATA1,#00H ;SET TEXT HOME AREA ADDRESS 1000H

MOV DATA2,#10H

MOV COM,#40H

LCALL WRITEDATA

NOP

MOV DATA1,#1EH ;SET TEXT AREA ADDRESS 001EH

MOV DATA2,#00H

MOV COM,#41H

LCALL WRITEDATA

NOP

MOV DATA1,#00H ;SET GRAPHIC HOME AREA ADDRESS 2000H

MOV DATA2,#20H

MOV COM,#42H

LCALL WRITEDATA

NOP

MOV DATA1,#1EH ;SET GRAPHIC AREA ADDRESS 001EH

MOV DATA2,00H

MOV COM,#43H

LCALL WRITEDATA

NOP

MOV DATA1,#0FH ;SET OFFSET REGISTER 000FH

MOV DATA2,#00H

MOV COM,#22H

LCALL WRITEDATA

NOP

MOV DATA1,#00H ;SET ADDRESS POINTER 7C00H

MOV DATA2,#7CH

MOV COM,#24H

LCALL WRITEDATA

NOP

MOV COM,#9CH ;SET TEXT ON,GRAPHIC ON

LCALL WRITEDATA3

NOP

;

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