C51单片机模块化编程万年历设计

程序如下：
main.h

#ifndef __MAIN_H__
#define __MAIN_H__

#include
#include
#include
#define uchar unsigned char
#define uint unsigned int
#define DQ P3_7
#endif

ds18b20.h

#include "main.h"
uint sec;
uint min=41;
uint hour=18;
uint day=20;
uint month=4;
uint yearl=11;
uint yearh=20;
uint tcnt;
uint cursor=0;
uchar a=0xff;
uchar code Seg[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};

void delay(uint t)
{
    uint i;
    while(t--)
    {for (i=0;i<125;i++);}
}
void Tdelay(unsigned int i)
{
 while(i--);
}
void Kdelay(unsigned int z)
{
    uchar i,j;
    for(i=0;i     for(j=248;j>0;j--);
}
Init_DS18B20(void)
{
 unsigned char x = 0;
 DQ = 1;   
 Tdelay(200); 
 DQ=0;   
 Tdelay(80);
 DQ=1;   
 Tdelay(200);
 Tdelay(200);
}
//读一个字节
ReadOneChar(void)
{
unsigned char i=0;
unsigned char dat = 0;
for (i=8;i>0;i--)
 {
  DQ = 0;
  dat>>=1;
  DQ = 1;
  if(DQ)
   dat|=0x80;
  Tdelay(4);
 }
 return(dat);
}

//写一个字节
WriteOneChar(unsigned char dat)
{
 unsigned char i=0;
 for (i=8; i>0; i--)
 {
  DQ = 0;
  DQ = dat&0x01;
  Tdelay(5);
  DQ = 1;
  dat>>=1;
 }
}

//读取温度
ReadTemperature(void)
{
unsigned char a=0;
unsigned char b=0;
unsigned int t=0;
float tt=0;
Init_DS18B20();
WriteOneChar(0xCC);
WriteOneChar(0x44);
Init_DS18B20();
WriteOneChar(0xCC);
WriteOneChar(0xBE);
a=ReadOneChar();
b=ReadOneChar();
t=b;
t<<=8;
t=t|a;
tt=t*0.0625;       
t= tt*10+0.5;     
return(t);
}

void display(uchar L1,uchar L2,uchar L3,uchar L4,uchar L5,uchar L6,uchar L7,uchar L8,uchar L9,uchar L10,uchar L11,uchar L12,uchar L13,uchar L14,uchar L15,uchar L16)
{
    P2=0x7F;P0=L1;delay(1);  //yearh
    P2=0xBF;P0=L2;delay(1);  //yearh
    if(cursor==6){P2=0xDF;P0=L3;delay(1);}else{P2=0xDF;P0=L3;delay(1);}   //yearl
    if(cursor==6){P2=0xEF;P0=L4;delay(1);}else{P2=0xEF;P0=L4;delay(1);}   //yearl
    if(cursor==5){P2=0xF7;P0=L5;delay(1);}else{P2=0xF7;P0=L5;delay(1);}   //month
    if(cursor==5){P2=0xFB;P0=L6;delay(1);}else{P2=0xFB;P0=L6;delay(1);}   //month
    if(cursor==4){P2=0xFD;P0=L7;delay(1);}else{P2=0xFD;P0=L7;delay(1);}   //day
    if(cursor==4){P2=0xFE;P0=L8;delay(1);}else{P2=0xFE;P0=L8;delay(1);}   //day
    P2=0xFF;
    if(cursor==3){P1=0x7F;P0=L9;delay(1);}else{P1=0x7F;P0=L9;delay(1);}   //hour
    if(cursor==3){P1=0xBF;P0=L10;delay(1);}else{P1=0xBF;P0=L10;delay(1);}  //hour
    if(cursor==2){P1=0xDF;P0=L11;delay(1);}else{P1=0xDF;P0=L11;delay(1);} //min
    if(cursor==2){P1=0xEF;P0=L12;delay(1);}else{P1=0xEF;P0=L12;delay(1);} //min
    if(cursor==1){P1=0xF7;P0=L13;delay(1);}else{P1=0xF7;P0=L13;delay(1);} //sec
    if(cursor==1){P1=0xFB;P0=L14;delay(1);}else{P1=0xFB;P0=L14;delay(1);} //sec
    P1=0xFD;P0=L15;delay(1); //temp
    P1=0xFE;P0=L16;delay(1); //temp
    P1=0xFF;
}

main.c

#include "main.h"
#include "ds18B20.h"
void delay(uint t);
void Tdelay(unsigned int i);
void Kdelay(unsigned int z);
Init_DS18B20(void);
ReadOneChar(void);
WriteOneChar(unsigned char dat);
ReadTemperature(void);
void display(uchar L1,uchar L2,uchar L3,uchar L4,uchar L5,uchar L6,uchar L7,uchar L8,uchar L9,uchar L10,uchar L11,uchar L12,uchar L13,uchar L14,uchar L15,uchar L16);
main()
{  
    uint i;   
    TMOD=0x02;            //设置模式为定时器T0的模式2 （8位自动重装计数初值的计数值）       
    TH0=0x06;             //设置计数器初值，靠TH0存储重装的计数值X0=256-250=6
    TL0=0x06;
    TR0=1;                //启动T0
    ET0=1;                //开启定时器T0中断允许
    EA=1;                 //开启中断总控制
    while(1)
    {
        if(P3_0==0)
        {
            Kdelay(200);
            if(P3_0==0)
            {
                cursor++;
                if(cursor>=7){cursor=0;}
            }
        }
        if(P3_1==0)
        {
            Kdelay(200);
            if(P3_1==0)
            {
                if(cursor==1){sec++;if(sec==60)sec=0;}
                if(cursor==2){min++;if(min==60)min=0;}
                if(cursor==3){hour++;if(hour==24)hour=0;}
                if(cursor==4){day++;if(day==31)day=0;}
                if(cursor==5){month++;if(month==12)month=0;}
                if(cursor==6){yearl++;if(yearl==100)yearl=0;}
                if(cursor==7){yearh++;if(yearh==30)yearh=20;}
            }
        }
        if(P3_2==0)
        {
            Kdelay(200);
            if(P3_2==0)
            {
                if(cursor==1){sec--;}
                if(cursor==2){min--;}
                if(cursor==3){hour--;}
                if(cursor==4){day--;}
                if(cursor==5){month--;}
                if(cursor==6){yearl--;}
                if(cursor==7){yearh--;}
            }
        }
        i=ReadTemperature();
        display(Seg[yearh/10],Seg[yearh],Seg[yearl/10],Seg[yearl],Seg[month/10],Seg[month],Seg[day/10],Seg[day],Seg[hour/10],Seg[hour],Seg[min/10],Seg[min],Seg[sec/10],Seg[sec],Seg[i/100],Seg[i/10]);    
    }
}

void t0(void)interrupt 1 using 0   //t0的中断程序
{
    tcnt++;
    if(tcnt==4000)//定时器的定时计数，4000次250us为1秒
    {
        tcnt=0;
        P3_3=~P3_3;
        a=~a;
        sec++;
        if(sec==60)
        {    
            sec=0;
            min++;
            if(min==60)
            {
                min=0;
                hour++;
                if(hour==24)
                {
                    hour=0;
                    day++;
                    if(month==2&&((yearl==0&&yearh%4==0)||(yearl!=0&&yearl%4==0))&&day==30)day=1; 
                    else if(month==2&&day==29)day=1;
                    else if((month==4||month==6||month==9||month==11)&&day==31)day=1;
                    else if(day==32)day=1;
                    if(day==1)
                    {
                    month++;
                    if(month==13)
                    {
                        month=1;
                        yearl++;
                        if(yearl==100)
                        {
                            yearl=0;
                            yearh++;
                            if(yearh==100)
                            {
                                yearh=20;
                            }
                        }
                    }
                }
                }
            }
        }
    }
}