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DS1302显现时刻

2020年9月18日 15:35 阅读(239)

C代码：/**************************************************************************THE1602CHARLCDLIBCOPY

C代码：

/**************************************************************************

THE 1602 CHAR LCD LIB

COPYRIGHT (c) 2005 BY JJJ.
— ALL RIGHTS RESERVED —

File Name: LCD.h
Author: Jiang Jian Jun
Created: 2005/4/3
Modified:NO
Revision: 1.0

***************************************************************************/

#ifndef LCD_CHAR_1602_2005_4_9
#define LCD_CHAR_1602_2005_4_9

#include

//Port Definitions**********************************************************
sbit LcdRs= P2^0;
sbit LcdRw= P2^1;
sbit LcdEn = P2^2;
sfr DBPort = 0x80;//P0=0x80,P1=0x90,P2=0xA0,P3=0xB0.数据端口

//内部等候函数**************************************************************************
unsigned char LCD_Wait(void)
{
LcdRs=0;
LcdRw=1;_nop_();
LcdEn=1;_nop_();
//while(DBPort&0x80);//在用Proteus仿真时，留意用屏蔽此句子，在调用GotoXY()时，会进入死循环，
//可能在写该操控字时，该模块没有回来写入齐备指令，即DBPort&0x80==0x80
//实践硬件时翻开此句子
LcdEn=0;
return DBPort;
}
//向LCD写入指令或数据************************************************************
#define LCD_COMMAND0 // Command
#define LCD_DATA1 // Data
#define LCD_CLEAR_SCREEN0x01 // 清屏
#define LCD_HOMING 0x02 // 光标回来原点
void LCD_Write(bit style, unsigned char input)
{
LcdEn=0;
LcdRs=style;
LcdRw=0;_nop_();
DBPort=input;_nop_();//留意次序
LcdEn=1;_nop_();//留意次序
LcdEn=0;_nop_();
LCD_Wait();
}

//设置显现形式************************************************************
#define LCD_SHOW0x04 //显现开
#define LCD_HIDE0x00 //显现关

#define LCD_CURSOR0x02 //显现光标
#define LCD_NO_CURSOR0x00 //无光标

#define LCD_FLASH0x01 //光标闪耀
#define LCD_NO_FLASH0x00 //光标不闪耀

void LCD_SetDisplay(unsigned char DisplayMode)
{
LCD_Write(LCD_COMMAND, 0x08|DisplayMode);
}

//设置输入形式************************************************************
#define LCD_AC_UP0x02
#define LCD_AC_DOWN0x00 // default

#define LCD_MOVE0x01 // 画面可平移
#define LCD_NO_MOVE0x00 //default

void LCD_SetInput(unsigned char InputMode)
{
LCD_Write(LCD_COMMAND, 0x04|InputMode);
}

//移动光标或屏幕************************************************************
/*
#define LCD_CURSOR0x02
#define LCD_SCREEN0x08
#define LCD_LEFT0x00
#define LCD_RIGHT0x04
void LCD_Move(unsigned char object, unsigned char direction)
{
if(object==LCD_CURSOR)
LCD_Write(LCD_COMMAND,0x10|direction);
if(object==LCD_SCREEN)
LCD_Write(LCD_COMMAND,0x18|direction);
}
*/
//初始化LCD************************************************************
void LCD_Initial()
{
LcdEn=0;
LCD_Write(LCD_COMMAND,0x38); //8位数据端口,2行显现,5*7点阵
LCD_Write(LCD_COMMAND,0x38);
LCD_SetDisplay(LCD_SHOW|LCD_NO_CURSOR); //敞开显现, 无光标
LCD_Write(LCD_COMMAND,LCD_CLEAR_SCREEN); //清屏
LCD_SetInput(LCD_AC_UP|LCD_NO_MOVE); //AC递加, 画面不动
}

//************************************************************************
void GotoXY(unsigned char x, unsigned char y)
{
if(y==0)
LCD_Write(LCD_COMMAND,0x80|x);
if(y==1)
LCD_Write(LCD_COMMAND,0x80|(x-0x40));
}
void Print(unsigned char *str)
{
while(*str!=\0)
{
LCD_Write(LCD_DATA,*str);
str++;
}
}
/*
void LCD_LoadChar(unsigned char user[8], unsigned char place)
{
unsigned char i;
LCD_Write(LCD_COMMAND,0x40|(place*8));
for(i=0; i<8; i++)
LCD_Write(LCD_DATA,user[i]);
}
*/
//************************************************************************
#endif

/**************************************************************************

THE REAL TIMER DS1302 DRIVER LIB

COPYRIGHT (c) 2005 BY JJJ.
— ALL RIGHTS RESERVED —

File Name: DS1302.h
Author: Jiang Jian Jun
Created: 2003/7/21
Modified:NO
Revision: 1.0

***************************************************************************/
#ifndef _REAL_TIMER_DS1302_2003_7_21_
#define _REAL_TIMER_DS1302_2003_7_21_

sbit DS1302_CLK = P1^6; //实时时钟时钟线引脚
sbit DS1302_IO = P1^7; //实时时钟数据线引脚
sbit DS1302_RST = P1^5; //实时时钟复位线引脚
sbit ACC0 = ACC^0;
sbit ACC7 = ACC^7;
uchar week_value[2];
char hide_sec,hide_min,hide_hour,hide_day,hide_week,hide_month,hide_year;

typedef struct __SYSTEMTIME__
{
unsigned char Second;
unsigned char Minute;
unsigned char Hour;
unsigned char Week;
unsigned char Day;
unsigned char Month;
unsigned char Year;
unsigned char DateString[11];
unsigned char TimeString[9];
}SYSTEMTIME CurrentTime;//界说的时刻类型

#define AM(X)X
#define PM(X)(X+12) // 转成24小时制
#define DS1302_SECOND0x80
#define DS1302_MINUTE0x82
#define DS1302_HOUR0x84
#define DS1302_WEEK0x8A
#define DS1302_DAY0x86
#define DS1302_MONTH0x88
#define DS1302_YEAR0x8C
#define DS1302_RAM(X)(0xC0+(X)*2) //用于核算 DS1302_RAM 地址的宏

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; //相当于汇编中的 RRC
DS1302_CLK = 1;
DS1302_CLK = 0;
ACC = ACC >> 1;
}
}

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; //相当于汇编中的 RRC
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，指令
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，指令
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) // 设置时刻函数
{
DS1302_SetProtect(0);
Write1302(Address, ((Value/10)<<4 | (Value%10)));
}

void DS1302_GetTime(SYSTEMTIME *Time)
{
unsigned char ReadValue;
ReadValue = Read1302(DS1302_SECOND);
Time->Second = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);
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);
}

void DateToStr(SYSTEMTIME *Time)
{ if(hide_year<2)
{
Time->DateString[0] = Time->Year/10 + 0;
Time->DateString[1] = Time->Year%10 + 0;
}
else
{
Time->DateString[0] = ;
Time->DateString[1] = ;
}
Time->DateString[2] = -;
if(hide_month<2)
{
Time->DateString[3] = Time->Month/10 + 0;
Time->DateString[4] = Time->Month%10 + 0;
}
else
{
Time->DateString[3] = ;
Time->DateString[4] = ;
}
Time->DateString[5] = -;
if(hide_day<2)
{
Time->DateString[6] = Time->Day/10 + 0;
Time->DateString[7] = Time->Day%10 + 0;
}
else
{
Time->DateString[6] = ;
Time->DateString[7] = ;
}
if(hide_week<2)
{
Time->DateString[8] = ;
Time->DateString[9] = Time->Week%10 + 0;
}
else
{
Time->DateString[8] = ;
Time->DateString[9] = ;
}

Time->DateString[10] = \0;
}

void TimeToStr(SYSTEMTIME *Time)
{ if(hide_hour<2)
{
Time->TimeString[0] = Time->Hour/10 + 0;
Time->TimeString[1] = Time->Hour%10 + 0;
}
else
{
Time->TimeString[0] = ;
Time->TimeString[1] = ;
}
Time->TimeString[2] = :;
if(hide_min<2)
{
Time->TimeString[3] = Time->Minute/10 + 0;
Time->TimeString[4] = Time->Minute%10 + 0;
}
else
{
Time->TimeString[3] = ;
Time->TimeString[4] = ;
}
Time->TimeString[5] = :;
if(hide_sec<2)
{
Time->TimeString[6] = Time->Second/10 + 0;
Time->TimeString[7] = Time->Second%10 + 0;
}
else
{
Time->TimeString[6] = ;
Time->TimeString[7] = ;
}
Time->DateString[8] = \0;
}

void Initial_DS1302(void)
{
unsigned char Second=Read1302(DS1302_SECOND);
Write1302(0x8e,0x00); //写入答应
Write1302(0x80,0x50);
Write1302(0x82,0x56);
Write1302(0x84,0x22);
Write1302(0x8e,0x80); //制止写入
if(Second&0x80)
DS1302_SetTime(DS1302_SECOND,0x80);
}

#endif

#include
#include
//#include “LCD1602.h”
//#include “DS1302.h”
#define uint unsigned int
#define uchar unsigned char
sbit DS1302_CLK = P1^7; //实时时钟时钟线引脚
sbit DS1302_IO = P1^6; //实时时钟数据线引脚
sbit DS1302_RST = P1^5; //实时时钟复位线引脚
sbit wireless_1 = P3^0;
sbit wireless_2 = P3^1;
sbit wireless_3 = P3^2;
sbit wireless_4 = P3^3;
sbit ACC0 = ACC^0;
sbit ACC7 = ACC^7;
char hide_sec,hide_min,hide_hour,hide_day,hide_week,hide_month,hide_year; //秒,分,时到日,月,年位闪的计数
sbit Set = P2^0; //形式切换键
sbit Up = P2^1; //加法按钮
sbit Down = P2^2; //减法按钮
sbit out = P2^3; //马上跳出调整形式按钮
sbit DQ = P1^0; //温度传送数据IO口
char done,count,temp,flag,up_flag,down_flag;
uchar temp_value; //温度值
uchar TempBuffer[5],week_value[2];

void show_time(); //液晶显现程序
/***********1602液晶显现部分子程序****************/

//Port Definitions**********************************************************
sbit LcdRs= P2^5;
sbit LcdRw= P2^6;
sbit LcdEn = P2^7;
sfr DBPort = 0x80;//P0=0x80,P1=0x90,P2=0xA0,P3=0xB0.数据端口

//内部等候函数**************************************************************************
unsigned char LCD_Wait(void)
{
LcdRs=0;
LcdRw=1;_nop_();
LcdEn=1;_nop_();

LcdEn=0;
return DBPort;
}
//向LCD写入指令或数据************************************************************
#define LCD_COMMAND0 // Command
#define LCD_DATA1 // Data
#define LCD_CLEAR_SCREEN0x01 // 清屏
#define LCD_HOMING 0x02 // 光标回来原点
void LCD_Write(bit style, unsigned char input)
{
LcdEn=0;
LcdRs=style;
LcdRw=0;_nop_();
DBPort=input;_nop_();//留意次序
LcdEn=1;_nop_();//留意次序
LcdEn=0;_nop_();
LCD_Wait();
}

//设置显现形式************************************************************
#define LCD_SHOW0x04 //显现开
#define LCD_HIDE0x00 //显现关

#define LCD_CURSOR0x02 //显现光标
#define LCD_NO_CURSOR0x00 //无光标

#define LCD_FLASH0x01 //光标闪耀
#define LCD_NO_FLASH0x00 //光标不闪耀

void LCD_SetDisplay(unsigned char DisplayMode)
{
LCD_Write(LCD_COMMAND, 0x08|DisplayMode);
}

//设置输入形式************************************************************
#define LCD_AC_UP0x02
#define LCD_AC_DOWN0x00 // default

#define LCD_MOVE0x01 // 画面可平移
#define LCD_NO_MOVE0x00 //default

void LCD_SetInput(unsigned char InputMode)
{
LCD_Write(LCD_COMMAND, 0x04|InputMode);
}

//初始化LCD************************************************************
void LCD_Initial()
{
LcdEn=0;
LCD_Write(LCD_COMMAND,0x38); //8位数据端口,2行显现,5*7点阵
LCD_Write(LCD_COMMAND,0x38);
LCD_SetDisplay(LCD_SHOW|LCD_NO_CURSOR); //敞开显现, 无光标
LCD_Write(LCD_COMMAND,LCD_CLEAR_SCREEN); //清屏
LCD_SetInput(LCD_AC_UP|LCD_NO_MOVE); //AC递加, 画面不动
}

//液晶字符输入的方位************************
void GotoXY(unsigned char x, unsigned char y)
{
if(y==0)
LCD_Write(LCD_COMMAND,0x80|x);
if(y==1)
LCD_Write(LCD_COMMAND,0x80|(x-0x40));
}

//将字符输出到液晶显现
void Print(unsigned char *str)
{
while(*str!=\0)
{
LCD_Write(LCD_DATA,*str);
str++;
}
}

/***********DS1302时钟部分子程序******************/
typedef struct __SYSTEMTIME__
{
unsigned char Second;
unsigned char Minute;
unsigned char Hour;
unsigned char Week;
unsigned char Day;
unsigned char Month;
unsigned char Year;
unsigned char DateString[11];
unsigned char TimeString[9];
}SYSTEMTIME;//界说的时刻类型
SYSTEMTIME CurrentTime;

#define AM(X)X
#define PM(X)(X+12) // 转成24小时制
#define DS1302_SECOND0x80 //时钟芯片的寄存器方位,寄存时刻
#define DS1302_MINUTE0x82
#define DS1302_HOUR0x84
#define DS1302_WEEK0x8A
#define DS1302_DAY0x86
#define DS1302_MONTH0x88
#define DS1302_YEAR0x8C

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; //相当于汇编中的 RRC
DS1302_CLK = 1;
DS1302_CLK = 0;
ACC = ACC >> 1;
}
}

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; //相当于汇编中的 RRC
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，指令
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，指令
ucData = DS1302OutputByte(); // 读1Byte数据
DS1302_CLK = 1;
DS1302_RST = 0;
return(ucData);
}

void DS1302_GetTime(SYSTEMTIME *Time) //获取时钟芯片的时钟数据到自界说的结构型数组
{
unsigned char ReadValue;
ReadValue = Read1302(DS1302_SECOND);
Time->Second = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);
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);
}

void DateToStr(SYSTEMTIME *Time) //将时刻年,月,日,星期数据转化成液晶显现字符串,放到数组里DateString[]
{ if(hide_year<2) //这儿的if,else句子都是判别位闪耀,<2显现数据,>2就不显现,输出字符串为 2007/07/22
{
Time->DateString[0] = 2;
Time->DateString[1] = 0;
Time->DateString[2] = Time->Year/10 + 0;
Time->DateString[3] = Time->Year%10 + 0;
}
else
{
Time->DateString[0] = ;
Time->DateString[1] = ;
Time->DateString[2] = ;
Time->DateString[3] = ;
}
Time->DateString[4] = /;
if(hide_month<2)
{
Time->DateString[5] = Time->Month/10 + 0;
Time->DateString[6] = Time->Month%10 + 0;
}
else
{
Time->DateString[5] = ;
Time->DateString[6] = ;
}
Time->DateString[7] = /;
if(hide_day<2)
{
Time->DateString[8] = Time->Day/10 + 0;
Time->DateString[9] = Time->Day%10 + 0;
}
else
{
Time->DateString[8] = ;
Time->DateString[9] = ;
}
if(hide_week<2)
{
week_value[0] = Time->Week%10 + 0; //星期的数据别的放到 week_value[]数组里,跟年,月,日的分隔寄存,由于等一下要在最终显现
}
else
{
week_value[0] = ;
}
week_value[1] = \0;

Time->DateString[10] = \0; //字符串结尾加 \0 ,判别完毕字符
}

void TimeToStr(SYSTEMTIME *Time) //将时,分,秒数据转化成液晶显现字符放到数组 TimeString[];
{ if(hide_hour<2)
{
Time->TimeString[0] = Time->Hour/10 + 0;
Time->TimeString[1] = Time->Hour%10 + 0;
}
else
{
Time->TimeString[0] = ;
Time->TimeString[1] = ;
}
Time->TimeString[2] = :;
if(hide_min<2)
{
Time->TimeString[3] = Time->Minute/10 + 0;
Time->TimeString[4] = Time->Minute%10 + 0;
}
else
{
Time->TimeString[3] = ;
Time->TimeString[4] = ;
}
Time->TimeString[5] = :;
if(hide_sec<2)
{
Time->TimeString[6] = Time->Second/10 + 0;
Time->TimeString[7] = Time->Second%10 + 0;
}
else
{
Time->TimeString[6] = ;
Time->TimeString[7] = ;
}
Time->DateString[8] = \0;
}

void Initial_DS1302(void) //时钟芯片初始化
{
unsigned char Second=Read1302(DS1302_SECOND);
if(Second&0x80) //判别时钟芯片是否封闭
{
Write1302(0x8e,0x00); //写入答应
Write1302(0x8c,0x07); //以下写入初始化时刻 日期:07/07/25.星期: 3. 时刻: 23:59:55
Write1302(0x88,0x07);
Write1302(0x86,0x25);
Write1302(0x8a,0x07);
Write1302(0x84,0x23);
Write1302(0x82,0x59);
Write1302(0x80,0x55);
Write1302(0x8e,0x80); //制止写入
}

}

/***********ds18b20子程序*************************/

/***********ds18b20推迟子函数（晶振12MHz ）*******/

void delay_18B20(unsigned int i)
{
while(i–);
}

/**********ds18b20初始化函数**********************/

void Init_DS18B20(void)
{
unsigned char x=0;
DQ = 1; //DQ复位
delay_18B20(8); //稍做延时
DQ = 0; //单片机将DQ拉低
delay_18B20(80); //准确延时 大于 480us
DQ = 1; //拉高总线
delay_18B20(14);
x=DQ; //稍做延时后 假如x=0则初始化成功 x=1则初始化失利
delay_18B20(20);
}

/***********ds18b20读一个字节**************/

unsigned char ReadOneChar(void)
{
uchar i=0;
uchar dat = 0;
for (i=8;i>0;i–)
{
DQ = 0; // 给脉冲信号
dat>>=1;
DQ = 1; // 给脉冲信号
if(DQ)
dat|=0x80;
delay_18B20(4);
}
return(dat);
}

/*************ds18b20写一个字节****************/

void WriteOneChar(uchar dat)
{
unsigned char i=0;
for (i=8; i>0; i–)
{
DQ = 0;
DQ = dat&0x01;
delay_18B20(5);
DQ = 1;
dat>>=1;
}
}

/**************读取ds18b20当时温度************/

void ReadTemp(void)
{
unsigned char a=0;
unsigned char b=0;
unsigned char t=0;

Init_DS18B20();
WriteOneChar(0xCC); // 越过读序号列号的操作
WriteOneChar(0x44); // 发动温度转化

delay_18B20(100); // this message is wery important

Init_DS18B20();
WriteOneChar(0xCC); //越过读序号列号的操作
WriteOneChar(0xBE); //读取温度寄存器等（共可读9个寄存器） 前两个便是温度

delay_18B20(100);

a=ReadOneChar(); //读取温度值低位
b=ReadOneChar(); //读取温度值高位
temp_value=b<<4;
temp_value+=(a&0xf0)>>4;
}
void temp_to_str() //温度数据转化成液晶字符显现
{
TempBuffer[0]=temp_value/10+0; //十位
TempBuffer[1]=temp_value%10+0; //个位
TempBuffer[2]=0xdf; //温度符号
TempBuffer[3]=C;
TempBuffer[4]=\0;
}
void Delay1ms(unsigned int count)
{
unsigned int i,j;
for(i=0;ifor(j=0;j<120;j++);
}

/*延时子程序*/
void mdelay(uint delay)
{uint i;
for(;delay>0;delay–)
{for(i=0;i<62;i++) //1ms延时.
{;}
}
}

void outkey() //跳出调整形式,回来默许显现
{ uchar Second;
if(out==0||wireless_1==1)
{ mdelay(8);
count=0;
hide_sec=0,hide_min=0,hide_hour=0,hide_day=0,hide_week=0,hide_month=0,hide_year=0;
Second=Read1302(DS1302_SECOND);
Write1302(0x8e,0x00); //写入答应
Write1302(0x80,Second&0x7f);
Write1302(0x8E,0x80); //制止写入
done=0;
while(out==0);
while(wireless_1==1);
}
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////
void Upkey()//升序按键
{
Up=1;
if(Up==0||wireless_2==1)
{
mdelay(8);
switch(count)
{case 1:
temp=Read1302(DS1302_SECOND); //读取秒数
temp=temp+1; //秒数加1
up_flag=1; //数据调整后更新标志
if((temp&0x7f)>0x59) //超越59秒,清零
temp=0;
break;
case 2:
temp=Read1302(DS1302_MINUTE); //读取分数
temp=temp+1; //分数加1
up_flag=1;
if(temp>0x59) //超越59分,清零
temp=0;
break;
case 3:
temp=Read1302(DS1302_HOUR); //读取小时数
temp=temp+1; //小时数加1
up_flag=1;
if(temp>0x23) //超越23小时,清零
temp=0;
break;
case 4:
temp=Read1302(DS1302_WEEK); //读取星期数
temp=temp+1; //星期数加1
up_flag=1;
if(temp>0x7)
temp=1;
break;
case 5:
temp=Read1302(DS1302_DAY); //读取日数
temp=temp+1; //日数加1
up_flag=1;
if(temp>0x31)
temp=1;
break;
case 6:
temp=Read1302(DS1302_MONTH); //读取月数
temp=temp+1; //月数加1
up_flag=1;
if(temp>0x12)
temp=1;
break;
case 7:
temp=Read1302(DS1302_YEAR); //读取年数
temp=temp+1; //年数加1
up_flag=1;
if(temp>0x85)
temp=0;
break;
default:break;
}

while(Up==0);
while(wireless_2==1);
}
}

////////////////////////////////////////////////////////////////////////////////////////////////////////////
void Downkey()//降序按键
{
Down=1;
if(Down==0||wireless_3==1)
{
mdelay(8);
switch(count)
{case 1:
temp=Read1302(DS1302_SECOND); //读取秒数
temp=temp-1; //秒数减1
down_flag=1; //数据调整后更新标志
if(temp==0x7f) //小于0秒,回来59秒
temp=0x59;
break;
case 2:
temp=Read1302(DS1302_MINUTE); //读取分数
temp=temp-1; //分数减1
down_flag=1;
if(temp==-1)
temp=0x59; //小于0秒,回来59秒
break;
case 3:
temp=Read1302(DS1302_HOUR); //读取小时数
temp=temp-1; //小时数减1
down_flag=1;
if(temp==-1)
temp=0x23;
break;
case 4:
temp=Read1302(DS1302_WEEK); //读取星期数
temp=temp-1; //星期数减1
down_flag=1;
if(temp==0)
temp=0x7;;
break;
case 5:
temp=Read1302(DS1302_DAY); //读取日数
temp=temp-1; //日数减1
down_flag=1;
if(temp==0)
temp=31;
break;
case 6:
temp=Read1302(DS1302_MONTH); //读取月数
temp=temp-1; //月数减1
down_flag=1;
if(temp==0)
temp=12;
break;
case 7:
temp=Read1302(DS1302_YEAR); //读取年数
temp=temp-1; //年数减1
down_flag=1;
if(temp==-1)
temp=0x85;
break;
default:break;
}

while(Down==0);
while(wireless_3==1);
}
}

void Setkey()//形式挑选按键
{
Set=1;
if(Set==0||wireless_4==1)
{
mdelay(8);
count=count+1; //Setkey按一次,count就加1
done=1; //进入调整形式
while(Set==0);
while(wireless_4==1);
}

}

void keydone()//按键功用履行
{ uchar Second;
if(flag==0) //封闭时钟,中止计时
{ Write1302(0x8e,0x00); //写入答应
temp=Read1302(0x80);
Write1302(0x80,temp|0x80);
Write1302(0x8e,0x80); //制止写入
flag=1;
}
Setkey(); //扫描形式切换按键
switch(count)
{case 1:do //count=1,调整秒
{
outkey(); //扫描跳出按钮
Upkey(); //扫描加按钮
Downkey(); //扫描减按钮
if(up_flag==1||down_flag==1) //数据更新，从头写入新的数据
{
Write1302(0x8e,0x00); //写入答应
Write1302(0x80,temp|0x80); //写入新的秒数
Write1302(0x8e,0x80); //制止写入
up_flag=0;
down_flag=0;
}

hide_sec++; //位闪计数
if(hide_sec>3)
hide_sec=0;
show_time(); //液晶显现数据
}while(count==2);break;
case 2:do //count=2,调整分
{
hide_sec=0;
outkey();
Upkey();
Downkey();
if(temp>0x60)
temp=0;
if(up_flag==1||down_flag==1)
{
Write1302(0x8e,0x00); //写入答应
Write1302(0x82,temp); //写入新的分数
Write1302(0x8e,0x80); //制止写入
up_flag=0;
down_flag=0;
}
hide_min++;
if(hide_min>3)
hide_min=0;
show_time();
}while(count==3);break;
case 3:do //count=3,调整小时
{
hide_min=0;
outkey();
Upkey();
Downkey();
if(up_flag==1||down_flag==1)
{
Write1302(0x8e,0x00); //写入答应
Write1302(0x84,temp); //写入新的小时数
Write1302(0x8e,0x80); //制止写入
up_flag=0;
down_flag=0;
}
hide_hour++;
if(hide_hour>3)
hide_hour=0;
show_time();
}while(count==4);break;
case 4:do //count=4,调整星期
{
hide_hour=0;
outkey();
Upkey();
Downkey();
if(up_flag==1||down_flag==1)
{
Write1302(0x8e,0x00); //写入答应
Write1302(0x8a,temp); //写入新的星期数
Write1302(0x8e,0x80); //制止写入
up_flag=0;
down_flag=0;
}
hide_week++;
if(hide_week>3)
hide_week=0;
show_time();
}while(count==5);break;
case 5:do //count=5,调整日
{
hide_week=0;
outkey();
Upkey();
Downkey();
if(up_flag==1||down_flag==1)
{
Write1302(0x8e,0x00); //写入答应
Write1302(0x86,temp); //写入新的日数
Write1302(0x8e,0x80); //制止写入
up_flag=0;
down_flag=0;
}
hide_day++;
if(hide_day>3)
hide_day=0;
show_time();
}while(count==6);break;
case 6:do //count=6,调整月
{
hide_day=0;
outkey();
Upkey();
Downkey();
if(up_flag==1||down_flag==1)
{
Write1302(0x8e,0x00); //写入答应
Write1302(0x88,temp); //写入新的月数
Write1302(0x8e,0x80); //制止写入
up_flag=0;
down_flag=0;
}
hide_month++;
if(hide_month>3)
hide_month=0;
show_time();
}while(count==7);break;
case 7:do //count=7,调整年
{
hide_month=0;
outkey();
Upkey();
Downkey();
if(up_flag==1||down_flag==1)
{
Write1302(0x8e,0x00); //写入答应
Write1302(0x8c,temp); //写入新的年数
Write1302(0x8e,0x80); //制止写入
up_flag=0;
down_flag=0;
}
hide_year++;
if(hide_year>3)
hide_year=0;
show_time();
}while(count==8);break;
case 8: count=0;hide_year=0; //count8, 跳出调整形式,回来默许显现状况
Second=Read1302(DS1302_SECOND);
Write1302(0x8e,0x00); //写入答应
Write1302(0x80,Second&0x7f);
Write1302(0x8E,0x80); //制止写入
done=0;
break; //count=7,敞开中止,标志方位0并退出
default:break;

}

}

void show_time() //液晶显现程序
{
DS1302_GetTime(&CurrentTime); //获取时钟芯片的时刻数据
TimeToStr(&CurrentTime); //时刻数据转化液晶字符
DateToStr(&CurrentTime); //日期数据转化液晶字符
ReadTemp(); //敞开温度收集程序
temp_to_str(); //温度数据转化成液晶字符
GotoXY(12,1); //液晶字符显现方位
Print(TempBuffer); //显现温度
GotoXY(0,1);
Print(CurrentTime.TimeString); //显现时刻
GotoXY(0,0);
Print(CurrentTime.DateString); //显现日期
GotoXY(15,0);
Print(week_value); //显现星期
GotoXY(11,0);
Print(“Week”);//在液晶上显现 字母 week
Delay1ms(400); //扫描延时
}

main()
{
flag=1; //时钟中止标志
LCD_Initial(); //液晶初始化
Init_DS18B20( ) ; //DS18B20初始化
Initial_DS1302(); //时钟芯片初始化
up_flag=0;
down_flag=0;
done=0; //进入默许液晶显现
wireless_1=0;
wireless_2=0;
wireless_3=0;
wireless_4=0;
while(1)
{
while(done==1)
keydone(); //进入调整形式
while(done==0)
{
show_time(); //液晶显现数据
flag=0;
Setkey(); //扫描各功用键
}
}
}

仿真原理图：

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