标题: 万年历代码参考 [打印本页]
作者: joyable 时间: 2017-6-13 21:21
标题: 万年历代码参考
[size=16.0000pt]1、DS1302模块
/*------------------寄存器地址宏定义------------*/
#define WRITE_SECOND 0x80
#define WRITE_MINUTE 0x82
#define WRITE_HOUR 0x84
#define WRITE_DAY 0x86
#define WRITE_MONTH 0x88
#define WRITE_YEAR 0x8C
#define WRITE_PROTECT 0x8E
#define WRITE_WEEK 0x8A
#define WRITE_CURRENT 0x90
#define READ_SECOND 0x81
#define READ_MINUTE 0x83
#define READ_HOUR 0x85
#define READ_DAY 0x87
#define READ_MONTH 0x89
#define READ_WEEK 0x8B
#define READ_YEAR 0x8D
sbit RST=P1^4;//DS1302片选
sbit DIO=P1^3;//DS1302数据信号
sbit SCLK=P1^2;//DS1302时钟信号
sbit ACC_7=ACC^7;//位寻址寄存器定义
void INITIAL_1302();//DS1302初始化函数申明
unsigned char READ_1302(unsigned char addr);//DS1302读数据函数申明
void WRITE_1302(unsigned char addr,unsigned char date);//DS1302写数据函数申明
void WRITE_1302(unsigned char addr,unsigned char date)//地址、数据发送子程序
{
unsigned char i,temp;
RST=0;//RST引脚为低，数据传送中止
SCLK=0;//清零时钟总线
RST=1;//RST引脚为高，逻辑控制有效
for(i=8;i>0;i--)//发送地址，循环8次移位
{
SCLK=0;
temp=addr;
DIO=(bit)(temp&0x01);//每次传送低字节
addr>>=1;//右移一位
SCLK=1;
}
for(i=8;i>0;i--)//发送数据
{
SCLK=0;
temp=date;
DIO=(bit)(temp&0x01);
date>>=1;
SCLK=1;
}
RST=0;
}
unsigned char READ_1302(unsigned char addr)//读取数据
{
unsigned char i,temp,date1,date2;
RST=0;
SCLK=0;
RST=1;
for(i=8;i>0;i--)//循环8次移位
{
SCLK=0;
temp=addr;
DIO=(bit)(temp&0x01);//每次传送低字节
addr>>=1;//右移一位
SCLK=1;
}
for(i=8;i>0;i--)
{
ACC_7=DIO;
SCLK=1;
ACC>>=1;
SCLK=0;
}
RST=0;
date1=ACC;
date2=date1/16;//数据进制转换
date1=date1%16;//十六进制转十进制
date1=date1+date2*10;
return(date1) ;
}
void INITIAL_1302()//初始化DS1302
{
WRITE_1302(WRITE_SECOND,READ_1302(READ_SECOND)&0x7f);//启动DS1302
}
2、LCD1302模块
sbit LCD_E=P1^7;//液晶使能端
sbit LCD_RS=P2^0;//液晶数据命令选择端
sbit LCD_RW=P2^1;//液晶读写选择端
unsigned char str1[]=" 20 - - ";
unsigned char str2[]=" : : ";
void delay(unsigned char z);//延时函数申明
void LCD_WRITE_COM(unsigned char com);//液晶写命令函数申明
void LCD_WRITE_DATA(unsigned char date);//液晶写数据函数申明
void LCD_WRITE_SFM(unsigned char addr,unsigned char date);//写时分秒函数申明
void LCD_WRITE_NYR(unsigned char addr,unsigned char date);//写年月日函数申明
void LCD_WRITE_WEEK(unsigned char week);//写星期函数申明
void LCD_INITIAL();//液晶初始化函数申明
void delay(unsigned char z)//延时函数
{
unsigned char x,y;
for(x=z;x>0;x--)
for(y=110;y>0;y--);
}
void LCD_WRITE_COM(unsigned char com)//写命令函数
{
LCD_RS=0;
LCD_RW=0;
LCD_E=1;
P0=com;
delay(5);
LCD_E=0;
}
void LCD_WRITE_DATA(unsigned char date)//写数据函数
{
LCD_RS=1;
LCD_RW=0;
LCD_E=1;
P0=date;
delay(5);
LCD_E=0;
}
void LCD_WRITE_SFM(unsigned char addr,unsigned char date)//写时分秒函数
{
unsigned char shi,ge;
shi=date/10;
ge=date%10;//分解2位数的十位和个位
LCD_WRITE_COM(0x80+0x40+addr);//设置显示位置
LCD_WRITE_DATA(0x30+shi);//送去液晶显示十位
LCD_WRITE_DATA(0x30+ge);//送去液晶显示个位
}
void LCD_WRITE_NYR(unsigned char addr,unsigned char date)//写年月日函数
{
char shi,ge;
shi=date/10;
ge=date%10;//分解2位数的十位和个位
LCD_WRITE_COM(0x80+addr);//设置显示位置
LCD_WRITE_DATA(0x30+shi);//送去液晶显示十位
LCD_WRITE_DATA(0x30+ge);//送去液晶显示个位
}
void LCD_WRITE_WEEK(unsigned char week)//写液晶星期显示函数
{
LCD_WRITE_COM(0x80+12);//设置显示位置
switch(week)
{
case 1: LCD_WRITE_DATA('S');delay(5);
LCD_WRITE_DATA('U');delay(5);
LCD_WRITE_DATA('N');break;
case 2: LCD_WRITE_DATA('M');delay(5);
LCD_WRITE_DATA('O');delay(5);;
LCD_WRITE_DATA('N');break;
case 3: LCD_WRITE_DATA('T');delay(5);
LCD_WRITE_DATA('U');delay(5);
LCD_WRITE_DATA('E');break;
case 4: LCD_WRITE_DATA('W');delay(5);
LCD_WRITE_DATA('E');delay(5);
LCD_WRITE_DATA('D');break;
case 5: LCD_WRITE_DATA('T');delay(5);
LCD_WRITE_DATA('H');delay(5);
LCD_WRITE_DATA('U');break;
case 6: LCD_WRITE_DATA('F');delay(5);
LCD_WRITE_DATA('R');delay(5);
LCD_WRITE_DATA('I');break;
case 7: LCD_WRITE_DATA('S');delay(5);
LCD_WRITE_DATA('A');delay(5);
LCD_WRITE_DATA('T');break;
}
}
void LCD_INITIAL()//液晶初始化函数
{
unsigned char i;
LCD_WRITE_COM(0x38);//设置16*2显示，5*7点阵，8位数据接口
LCD_WRITE_COM(0x0c);//设置开显示，不显示光标
LCD_WRITE_COM(0x06);//写一个字符后地址指针加1
LCD_WRITE_COM(0x80);//液晶第一行显示
for(i=0;i<16;i++)
{
LCD_WRITE_DATA(str1);
delay(5);
}
LCD_WRITE_COM(0x80+0x40);//液晶第二行显示
for(i=0;i<16;i++)
{
LCD_WRITE_DATA(str2);
delay(5);
}
}
[size=16.0000pt]3、按键模块
sbit key0=P3^2;//调时
sbit key1=P3^3;//增大
sbit key2=P3^4;//减小
char hour,minute,second,week,day,month,year;
unsigned char num,flag;
void keyscan()
{
if(key0==0)//确认调时按下
{
delay(20);
if(key0==0)//调时确实按下
{
while(!key0);//释放
num++;//按下次数记录
switch(num)
{
case 1: flag=1;//修改时间，液晶禁止从DS1302读数据
TR0=0;//定时器关
LCD_WRITE_COM(0x0f);//光标开始闪烁
LCD_WRITE_COM(0x80+3);//第一次按下，光标定位到年位置
break;
case 2: LCD_WRITE_COM(0x80+6);//第二次按下，光标定位到月位置
break;
case 3: LCD_WRITE_COM(0x80+9);//第三次按下，光标定位到日位置
break;
case 4: LCD_WRITE_COM(0x80+12);//第四次按下，光标定位到星期位置
break;
case 5: LCD_WRITE_COM(0x80+0x40+4);//第五次按下，光标定位到时位置
break;
case 6: LCD_WRITE_COM(0x80+0x40+7);//第六次按下，光标定位到分位置
break;
case 7: LCD_WRITE_COM(0x80+0x40+10);//第七次按下，光标定位到秒位置
break;
case 8: num=0;//第八次按下，记录清零
LCD_WRITE_COM(0x0c);//不显示光标
WRITE_1302(WRITE_PROTECT,0x00);//禁止写保护
WRITE_1302(0x80,(second/10*16)+second%10);//将调节后的秒写入DS1302
WRITE_1302(0x82,(minute/10*16)+minute%10);//将调节后的分写入DS1302
WRITE_1302(0x84,(hour/10*16)+hour%10);//将调节后的时写入DS1302
WRITE_1302(0x8a,(week/10*16)+week%10);//将调节后的星期写入DS1302
WRITE_1302(0x86,(day/10*16)+day%10);//将调节后的日写入DS1302
WRITE_1302(0x88,(month/10*16)+month%10);//将调节后的月写入DS1302
WRITE_1302(0x8c,(year/10*16)+year%10);//将调节后的年写入DS1302
WRITE_1302(WRITE_PROTECT,0x80);//开写保护
flag=0;//时间修改完毕，允许液晶从DS1302读数据
TR0=1; //定时器开
break;
}
}
}
if(num!=0)
{
if(key1==0)//确认增大键按下
{
delay(20);
if(key1==0)//增大键确实按下
{
while(!key1);
switch(num)
{
case 1: year++;//调节年
if(year==100)year=0;
LCD_WRITE_NYR(3,year);//将调节后的年送入液晶显示
LCD_WRITE_COM(0x80+3);//光标回到指定处
break;
case 2: month++;//调节月
if(month==13)month=0;
LCD_WRITE_NYR(6,month);//将调节后的月送入液晶显示
LCD_WRITE_COM(0x80+6);//光标回到指定处
break;
case 3: day++;//调节日
if(day==32)day=0;
LCD_WRITE_NYR(9,day);//将调节后的日送入液晶显示
LCD_WRITE_COM(0x80+9);//光标回到指定处
break;
case 4: week++;
if(week==8)week=0;
LCD_WRITE_WEEK(week);//将调节后的星期送入液晶显示
LCD_WRITE_COM(0x80+12);//光标回到指定处
break;
case 5: hour++;
if(hour==24)hour=0;
LCD_WRITE_SFM(4,hour);//将调节后的小时送入液晶显示
LCD_WRITE_COM(0x80+0x40+4);//光标回到指定处
break;
case 6: minute++;
if(minute==60)minute=0;
LCD_WRITE_SFM(7,minute);//将调节后的分送入液晶显示
LCD_WRITE_COM(0x80+0x40+7);//光标回到指定处
break;
case 7: second++;
if(second==60)second=0;
LCD_WRITE_SFM(10,second);//将调节后的秒送入液晶显示
LCD_WRITE_COM(0x80+0x40+10);//光标回到指定处
break;
default:break;
}
}
}
if(key2==0)//确认减小键按下
{
delay(20);
if(key2==0)//减小键确实按下
{
while(!key2);
switch(num)
{
case 1: year--;//调节年
if(year==-1)year=99;
LCD_WRITE_NYR(3,year);
LCD_WRITE_COM(0x80+3);
break;
case 2: month--;//调节月
if(month==-1)month=12;
LCD_WRITE_NYR(6,month);
LCD_WRITE_COM(0x80+6);
break;
case 3: day--;//调节日
if(day==-1)day=31;
LCD_WRITE_NYR(9,day);
LCD_WRITE_COM(0x80+9);
break;
case 4: week--;//调节星期
if(week==0)week=7;
LCD_WRITE_WEEK(week);
LCD_WRITE_COM(0x80+12);
break;
case 5: hour--;//调节时
if(hour==-1)hour=23;
LCD_WRITE_SFM(4,hour);
LCD_WRITE_COM(0x80+0x40+4);
break;
case 6: minute--;//调节分
if(minute==-1)minute=59;
LCD_WRITE_SFM(7,minute);
LCD_WRITE_COM(0x80+0x40+7);
break;
case 7: second--;//调节秒
if(second==-1)second=59;
LCD_WRITE_SFM(10,second);
LCD_WRITE_COM(0x80+0x40+10);
break;
default:break;
}
}
}
}
}
[size=16.0000pt]4、主模块
#include<reg51.h>
#include<lcd1602.h>
#include<ds1302.h>
#include<keyscan.h>
#include<fengmingqi.h>
void main()
{
LCD_INITIAL();//液晶初始化
INITIAL_1302();//DS1302初始化
INITIAL_TEMER0();//定时器初始化
while(1)
{
keyscan();//按键扫描
if(flag==0)//当标志位为0，允许读取DS1302数据，将数据送入液晶显示
{
second=READ_1302(0x81);
LCD_WRITE_SFM(10,second);//从DS1302读取秒送入液晶显示
minute=READ_1302(0x83);
LCD_WRITE_SFM(7,minute);//从DS1302读取分送入液晶显示
hour=READ_1302(0x85);
LCD_WRITE_SFM(4,hour);//从DS1302读取时送入液晶显示
week=READ_1302(0x8b);
LCD_WRITE_WEEK(week);//从DS1302读取星期送入液晶显示
day=READ_1302(0x87);
LCD_WRITE_NYR(9,day);//从DS1302读取日送入液晶显示
month=READ_1302(0x89);
LCD_WRITE_NYR(6,month);//从DS1302读取月送入液晶显示
year=READ_1302(0x8d);
LCD_WRITE_NYR(3,year);//从DS1302读取年送入液晶显示
}
}
}
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