基于51单片机的万年历 基于51单片机的万年历闹钟及温度补偿

华风国艺-国画定制

顶层文件 万年历.C
#include<reg51.h>
#include "LCD1602.h"
#include "DS1302.h"
#define uchar unsigned char
#define uint unsigned int
sbit speaker=P2^4;
bit key_flag1=0,key_flag2=0;
SYSTEMTIME adjusted;
uchar sec_add=0,min_add=0,hou_add=0,day_add=0,mon_add=0,yea_add=0;
uchar data_alarm[7]={0};
/************键盘控制******************************/
int key_scan() //扫描是否有键按下
{ int i=0;
uint temp;
P1=0xf0;
temp=P1;
if(temp!=0xf0)
i=1;
else
i=0;
return i;
}
uchar key_value() //确定按键的值
{
uint m=0,n=0,temp;
uchar value;
uchar v[4][3]={'2','1','0','5','4','3','8','7','6','b','a','9'} ;
P1=0xfe; temp=P1; if(temp!=0xfe)m=0;
P1=0xfd;temp=P1 ;if(temp!=0xfd)m=1;
P1=0xfb;temp=P1 ;if(temp!=0xfb)m=2;
P1=0xf7;temp=P1 ;if(temp!=0xf7)m=3;
P1=0xef;temp=P1 ;if(temp!=0xef)n=0;
P1=0xdf;temp=P1 ;if(temp!=0xdf)n=1;
P1=0xbf;temp=P1 ;if(temp!=0xbf)n=2;
value=v[m][n];
return value;
}
/***************************设置闹铃函数*******************************/
void naoling(void)
{
uchar i=0,l=0,j;
init1602();
while(key_flag2&&i<12)
if(key_scan()){j=key_value();write_data(j);if(i%2==0)data_alarm[l]=(j-'0')*10;else {data_alarm[l]+=(j-'0');l++;}i++;delay(600);}
write_com(0x01);
}
uchar according(void)
{ uchar k;
if(data_alarm[0]==adjusted.Year&&data_alarm[1]==adjusted.Month&&data_alarm[2]==adjusted.Day&&data_alarm[3]==adjusted.Hour&&data_alarm[4]==adjusted.Minute&&data_alarm[5]==adjusted.Second)
k=1;
else k=0;
return k;
}
void speak(void)
{uint i=50;
while(i)
{speaker=0;
delay(1);
speaker=1;
delay(1);
i--;
}
}
void alarm(void)
{uint i=10;
while(i)
{
speak();
delay(10);
i--;
}
}
/**************************修改时间操作********************************/
void reset(void)
{
sec_add=0;
min_add=0;
hou_add=0;
day_add=0;
mon_add=0;
yea_add=0 ;
}
void adjust(void)
{

if(key_scan()&&key_flag1)
switch(key_value())
{case '0':sec_add++;break;
case '1':min_add++;break;
case '2':hou_add++;break;
case '3':day_add++;break;
case '4':mon_add++;break;
case '5':yea_add++;break;
case 'b':reset();break;
default: break;
}
adjusted.Second+=sec_add;
adjusted.Minute+=min_add;
adjusted.Hour+=hou_add;
adjusted.Day+=day_add;
adjusted.Month+=mon_add;
adjusted.Year+=yea_add;
if(adjusted.Second>59) adjusted.Second=adjusted.Second%60;
if(adjusted.Minute>59) adjusted.Minute=adjusted.Minute%60;

if(adjusted.Hour>23) adjusted.Hour=adjusted.Hour%24;

if(adjusted.Day>31) adjusted.Day=adjusted.Day%31;

if(adjusted.Month>12) adjusted.Month=adjusted.Month%12;

if(adjusted.Year>100) adjusted.Year=adjusted.Year%100;
}
/**************************中断处理函数*********************************/
void changing(void) interrupt 0 using 0 //需要修改时间和日期，或者停止修改
{
if(key_flag1)key_flag1=0;
else key_flag1=1;
}
void alarming(void) interrupt 3 using 0 //需要设置闹铃或者停止设置
{
if(key_flag2)key_flag2=0;
else key_flag2=1;
}
/********************************主函数***********************************/
main()
{uint i;
uchar *l;
uchar p1[]="D:",p2[]="T:";
SYSTEMTIME T;
EA=1;
EX0=1;
IT0=1;
EA=1;
EX1=1;
IT1=1;
init1602();
Initial_DS1302() ;
while(1)
{ write_com(0x80);
write_string(p1,2);
write_com(0xc0);
write_string(p2,2);
DS1302_GetTime(&T) ;
adjusted.Second=T.Second;
adjusted.Minute=T.Minute;
adjusted.Hour=T.Hour;
adjusted.Week=T.Week;
adjusted.Day=T.Day;
adjusted.Month=T.Month;
adjusted.Year=T.Year;
for(i=0;i<9;i++)
{
adjusted.DateString[i]=T.DateString[i];
adjusted.TimeString[i]=T.TimeString[i];
}
adjust();
if(key_flag2)naoling();
if(according())alarm();
DateToStr(&adjusted);
TimeToStr(&adjusted);
write_com(0x82);
write_string(adjusted.DateString,8);
write_com(0xc2);
write_string(adjusted.TimeString,8);
delay(10);
}
（二）头文件1 显示模块 LCD1602.H
#ifndef LCD_CHAR_1602_2024_5_9
#define LCD_CHAR_1602_2024_5_9
#define uchar unsigned char
#define uint unsigned int
sbit lcdrs = P2^0;
sbit lcdrw = P2^1;
sbit lcden = P2^2;
void delay(uint z) // 延时
{
uint x,y;
for(x=z;x>0;x--)
for(y=110;y>0;y--);
}
void write_com(uchar com) // 写入指令数据到 lcd
{
lcdrw=0;
lcdrs=0;
P0=com;
delay(5);
lcden=1;
delay(5);
lcden=0;
}
void write_data(uchar date) // 写入字符显示数据到 lcd
{
lcdrw=0;
lcdrs=1;
P0=date;
delay(5);
lcden=1;
delay(5);
lcden=0;
}
void init1602() // 初始化设定
{
lcdrw=0;
lcden=0;
write_com(0x3C);
write_com(0x0c);
write_com(0x06);
write_com(0x01);
write_com(0x80);
}
void write_string(uchar *pp,uint n)
{
int i;
for(i=0;i<n;i++)
write_data(pp[i]);
}
#endif
(三)头文件2 时钟模块 DS1302.H
#ifndef _REAL_TIMER_DS1302_2024_5_20_
#define _REAL_TIMER_DS1302_2003_5_20_
sbit DS1302_CLK = P2^6; //实时时钟时钟线引脚
sbit DS1302_IO = P2^7; //实时时钟数据线引脚
sbit DS1302_RST = P2^5; //实时时钟复位线引脚
sbit ACC0 = ACC^0;
sbit ACC7 = ACC^7;
typedef struct SYSTEM_TIME
{
unsigned char Second;
unsigned char Minute;
unsigned char Hour;
unsigned char Week;
unsigned char Day;
unsigned char Month;
unsigned char Year;
unsigned char DateString[9]; //用这两个字符串来放置读取的时间
unsigned char TimeString[9];
}SYSTEMTIME; //定义的时间类型
#define AM(X) X
#define PM(X) (X+12) // 转成24小时制
#define DS1302_SECOND 0x80
#define DS1302_MINUTE 0x82
#define DS1302_HOUR 0x84
#define DS1302_WEEK 0x8A
#define DS1302_DAY 0x86
#define DS1302_MONTH 0x88
#define DS1302_YEAR 0x8C
#define DS1302_RAM(X) (0xC0+(X)*2) //用于计算 DS1302_RAM 地址的宏
/******内部指令**********/
void DS1302InputByte(unsigned char d) //实时时钟写入一字节(内部函数)
{
unsigned char i;
ACC = d;
for(i=8; i>0; i--)
{
DS1302_IO = ACC0;
DS1302_CLK = 1;
DS1302_CLK = 0;
ACC = ACC >> 1; //因为在前面已经定义了ACC0 = ACC^0;以便再次利用DS1302_IO = ACC0;
}
}
unsigned char DS1302OutputByte(void) //实时时钟读取一字节(内部函数)
{
unsigned char i;
for(i=8; i>0; i--)
{
ACC = ACC >>1;
ACC7 = DS1302_IO;
DS1302_CLK = 1;
DS1302_CLK = 0;
}
return(ACC);
}
/********************************/
void Write1302(unsigned char ucAddr, unsigned char ucDa) //ucAddr: DS1302地址, ucData: 要写的数据
{
DS1302_RST = 0;
DS1302_CLK = 0;
DS1302_RST = 1;
DS1302InputByte(ucAddr); // 地址，命令
DS1302InputByte(ucDa); // 写1Byte数据
DS1302_CLK = 1;
DS1302_RST = 0;
}
unsigned char Read1302(unsigned char ucAddr) //读取DS1302某地址的数据
{
unsigned char ucData;
DS1302_RST = 0;
DS1302_CLK = 0;
DS1302_RST = 1;
DS1302InputByte(ucAddr|0x01); // 地址，命令
ucData = DS1302OutputByte(); // 读1Byte数据
DS1302_CLK = 1;
DS1302_RST = 0;
return(ucData);
}
void DS1302_SetProtect(bit flag) //是否写保护
{
if(flag)
Write1302(0x8E,0x10);
else
Write1302(0x8E,0x00);
}
void DS1302_SetTime(unsigned char Address, unsigned char Value) // 设置时间函数
{
DS1302_SetProtect(0);
Write1302(Address, ((Value/10)<<4 | (Value%10))); //将十进制数转换为BCD码
} //在DS1302中的与日历、时钟相关的寄存器存放的数据必须为BCD码形式
void DS1302_GetTime(SYSTEMTIME *Time)
{
unsigned char ReadValue;
ReadValue = Read1302(DS1302_SECOND);
Time->Second = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F); //将BCD码转换为十进制数
ReadValue = Read1302(DS1302_MINUTE);
Time->Minute = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);
ReadValue = Read1302(DS1302_HOUR);
Time->Hour = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);
ReadValue = Read1302(DS1302_DAY);
Time->Day = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);
ReadValue = Read1302(DS1302_WEEK);
Time->Week = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);
ReadValue = Read1302(DS1302_MONTH);
Time->Month = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);
ReadValue = Read1302(DS1302_YEAR);
Time->Year = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);
}
unsigned char *DataToBCD(SYSTEMTIME *Time)
{
unsigned char D[8];
D[0]=Time->Second/10<<4+Time->Second%10;
D[1]=Time->Minute/10<<4+Time->Minute%10;
D[2]=Time->Hour/10<<4+Time->Hour%10;
D[3]=Time->Day/10<<4+Time->Day%10;
D[4]=Time->Month/10<<4+Time->Month%10;
D[5]=Time->Week/10<<4+Time->Week%10;
D[6]=Time->Year/10<<4+Time->Year%10;
return D;
}
void DateToStr(SYSTEMTIME *Time)
{
//将十进制数转换为液晶显示的ASCII值
Time->DateString[0] = Time->Year/10 + '0';
Time->DateString[1] = Time->Year%10 + '0';
Time->DateString[2] = '-';
Time->DateString[3] = Time->Month/10 + '0';
Time->DateString[4] = Time->Month%10 + '0';
Time->DateString[5] = '-';
Time->DateString[6] = Time->Day/10 + '0';
Time->DateString[7] = Time->Day%10 + '0';
Time->DateString[8] = '\0';
}
void TimeToStr(SYSTEMTIME *Time)
{
//将十进制数转换为液晶显示的ASCII值
Time->TimeString[0] = Time->Hour/10 + '0';
Time->TimeString[1] = Time->Hour%10 + '0';
Time->TimeString[2] = ':';
Time->TimeString[3] = Time->Minute/10 + '0';
Time->TimeString[4] = Time->Minute%10 + '0';
Time->TimeString[5] = ':';
Time->TimeString[6] = Time->Second/10 + '0';
Time->TimeString[7] = Time->Second%10 + '0';
Time->DateString[8] = '\0';
}
void Initial_DS1302(void)
{
unsigned char Second;
Second=Read1302(DS1302_SECOND);
if(Second&0x80) //初始化时间
DS1302_SetTime(DS1302_SECOND,0);
}
void DS1302_TimeStop(bit flag) // 是否将时钟停止
{
unsigned char Data;
Data=Read1302(DS1302_SECOND);
DS1302_SetProtect(0);
if(flag)
Write1302(DS1302_SECOND, Data|0x80);
else
Write1302(DS1302_SECOND, Data&0x7F);
}
#endif

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