#include
#include
#define uint unsigned int
#define uchar unsigned char
#define Date P3 //数码管数据口
#define com P1
sbit DS1302_CLK = P1^7; //实时时钟时钟线引脚
sbit DS1302_IO = P2^6; //实时时钟数据线引脚
sbit DS1302_RST = P1^6; //实时时钟复位线引脚
sbit ACC0 = ACC^0;
sbit ACC7 = ACC^7;
uchar code table[]={0x3f,0x06,0x5b,0x4f
,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
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; //模式切换键
sbit Up = P2^1; //加法按钮
sbit Down = P2^2; //减法按钮
sbit out = P2^3; //立刻跳出调整模式按钮
sbit di=P2^4; //蜂鸣器
char done,count,temp,flag,up_flag,down_flag;
uchar TempBuffer[5],week_value[2];
void show_time(); //显示程序
/***********************
* 功能: 延时,延时时间大概为ms。
**********************/
void delayms(int x)
{int i,j;
for(i=110; i>0; i--)
for(j=x; j>0; j--);
}
void beep()
{
di=1;delayms(400); di=0;}
/*************************
*名称: 数码管显示
*************************/
xianshi(uchar shi1,uchar shi2,uchar fen1,uchar fen2,uchar miao1,uchar miao2) {
Date=table[shi1];com=0xfe;delayms(10);
Date=table[shi2];com=0xfd;delayms(10);
Date=table[fen1];com=0xfb;delayms(10);
Date=table[fen2];com=0xf7;delayms(10);
Date=table[miao1];com=0xef;delayms(10);
Date=table[miao2];com=0xdf;delayms(10);
}
/***********1602液晶显示部分子程序*********/
sbit LcdRs= P2^5;
sbit LcdRw= P2^6;
sbit LcdEn = P2^7;
sfr DBPort= 0x80;
//内部等待函数****************
unsigned char LCD_Wait(void)
{ LcdRs=0;
LcdRw=1; _nop_();
LcdEn=1; _nop_();
LcdEn=0;
return DBPort;
}
//向LCD写入命令或数据******************
#define LCD_COMMAND 0 // Command
#define LCD_DATA 1 // Data
#define LCD_CLEAR_SCREEN 0x01 // 清屏
#define LCD_HOMING 0x02 // 光标返回原点void LCD_Write(bit style, unsigned char input)
{LcdEn=0;LcdRs=style;LcdRw=0;
_nop_();DBPort=input; _nop_();//注意顺序
LcdEn=1; _nop_();//注意顺序
LcdEn=0; _nop_();LCD_Wait();
}
//设置显示模式***********************
#define LCD_SHOW 0x04 //显示开
#define LCD_HIDE 0x00 //显示关
#define LCD_CURSOR 0x02 //显示光标
#define LCD_NO_CURSOR 0x00 //无光标
#define LCD_FLASH 0x01 //光标闪动
#define LCD_NO_FLASH 0x00 //光标不闪动
void LCD_SetDisplay(unsigned char DisplayMode)
{LCD_Write(LCD_COMMAND, 0x08|DisplayMode); }
//设置输入模式****************************
#define LCD_AC_UP 0x02
#define LCD_AC_DOWN 0x00 // default
#define LCD_MOVE 0x01 // 画面可平移#define LCD_NO_MOVE 0x00 //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行显示,5*7点阵LCD_Write(LCD_COMMAND,0x38);
LCD_SetDisplay(LCD_SHOW|LCD_NO_CURSOR); //开启显示, 无光标LCD_Write(LCD_COMMAND,LCD_CLEAR_SCREEN); //清屏
LCD_SetInput(LCD_AC_UP|LCD_NO_MOVE); //AC递增, 画面不动}
//液晶字符输入的位置************************
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示
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; //定义的时间类型
SYSTEMTIME CurrentTime;
#define AM(X) X
#define PM(X) (X+12) // 转成24小时制
#define DS1302_SECOND 0x80 //时钟芯片的寄存器位置,存放时间
#define DS1302_MINUTE 0x82
#define DS1302_HOUR 0x84
#define DS1302_WEEK 0x8A
#define DS1302_DAY 0x86
#define DS1302_MONTH 0x88
#define DS1302_YEAR 0x8C
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)
{ 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_GetTime(SYSTEMTIME *Time)
{//获取时钟芯片的时钟数据到自定义的结构型数组
unsigned char ReadV alue;
ReadValue = Read1302(DS1302_SECOND);
Time->Second = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);
ReadValue = Read1302(DS1302_MINUTE);
Time->Minute = ((ReadV alue&0x70)>>4)*10 + (ReadValue&0x0F);
ReadValue = Read1302(DS1302_HOUR);
Time->Hour = ((ReadV alue&0x70)>>4)*10 + (ReadV alue&0x0F);
ReadValue = Read1302(DS1302_DAY);
Time->Day = ((ReadV alue&0x70)>>4)*10 + (ReadV alue&0x0F);
ReadValue = Read1302(DS1302_WEEK);
Time->Week = ((ReadValue&0x70)>>4)*10 + (ReadV alue&0x0F);
ReadValue = Read1302(DS1302_MONTH);
Time->Month = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);
ReadValue = Read1302(DS1302_YEAR);
Time->Year = ((ReadValue&0x70)>>4)*10 + (ReadV alue&0x0F); }
void DateToStr(SYSTEMTIME *Time)
{ //将时间年,月,日,星期数据转换成液晶显示字符串,放到数组里DateString[] if(hide_year<2)
{ 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){
//星期的数据另外放到week_value[]数组里,,因为等一下要在最后显视
week_value[0] = Time->Week%10 + '0';
}
else { week_value[0] = ' ';}
week_value[1] = '\0';
Time->DateString[10] = '\0'; //字符串末尾加'\0' ,判断结束字符
}
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) //时钟芯片初始化
{ unsigned char Second=Read1302(DS1302_SECOND);
if(Second&0x80) //判断时钟芯片是否关闭
{Write1302(0x8e,0x00); //写入允许
Write1302(0x8c,0x07); //
Write1302(0x88,0x07);Write1302(0x86,0x25);
Write1302(0x8a,0x07);Write1302(0x84,0x23);Write1302(0x82,0x59);
Write1302(0x80,0x55);Write1302(0x8e,0x80); //禁止写入
}
}
void Delay1ms(unsigned int count)
{unsigned int i,j;
for(i=0;i for(j=0;j<20;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() //跳出调整模式,返回默认显示 { uchar Second;if(out==0) { 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); //写入允许 Write1302(0x80,Second&0x7f); Write1302(0x8E,0x80); //禁止写入 done=0; while(out==0); }} /////////////////////////////////////////////////////////////////////////////// void Upkey()//升序按键 { Up=1;if(Up==0) { 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) //超过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) //超过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) //超过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); }} /////////////////////////////////////////////////////////////////////////////// void Downkey()//降序按键 { Down=1;if(Down==0) { 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,返回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,返回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); }} void Setkey()//模式选择按键 {Set=1;if(Set==0) { mdelay(8); count=count+1; //Setkey按一次,count就加1 done=1; //进入调整模式 while(Set==0); } } void bell() { if (Set==1);while(Set==1); } void keydone()//按键功能执行 { uchar Second; if(flag==0) //关闭时钟,停止计时 { Write1302(0x8e,0x00); //写入允许 temp=Read1302(0x80); Write1302(0x80,temp|0x80); Write1302(0x8e,0x80); //禁止写入 flag=1; } Setkey(); //扫描模式切换按键 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，重新写入新的数据 Write1302(0x8e,0x00); //写入允许 Write1302(0x80,temp|0x80); //写入新的秒数 Write1302(0x8e,0x80); //禁止写入 up_flag=0; down_flag=0; } hide_sec++; //位闪计数 if(hide_sec>3) hide_sec=0; show_time(); //液晶显示数据 }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); //写入允许 Write1302(0x82,temp); //写入新的分数 Write1302(0x8e,0x80); //禁止写入 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); //写入允许 Write1302(0x84,temp); //写入新的小时数 Write1302(0x8e,0x80); //禁止写入 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); //写入允许 Write1302(0x8a,temp); //写入新的星期数 Write1302(0x8e,0x80); //禁止写入 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); //写入允许 Write1302(0x86,temp); //写入新的日数 Write1302(0x8e,0x80); //禁止写入 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); //写入允许 Write1302(0x88,temp); //写入新的月数 Write1302(0x8e,0x80); //禁止写入 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); //写入允许 Write1302(0x8c,temp); //写入新的年数 Write1302(0x8e,0x80); //禁止写入 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, 跳出调整模式,返回默认显示状态 Second=Read1302(DS1302_SECOND); Write1302(0x8e,0x00); //写入允许 Write1302(0x80,Second&0x7f); Write1302(0x8E,0x80) ;//禁止写入 done=0; break; //count=7,开启中断,标志位置0并退出 default:break; }} void show_time() //液晶显示程序 { uchar a,b,c,d,e,f,i; DS1302_GetTime(&CurrentTime); //获取时钟芯片的时间数据TimeToStr(&CurrentTime); //时间数据转换液晶字符DateToStr(&CurrentTime); //日期数据转换液晶字符GotoXY(0,1); Print(CurrentTime.TimeString); //显示时间 GotoXY(0,0); Print(CurrentTime.DateString); //显示日期 GotoXY(15,0); Print(week_value); //显示星期 GotoXY(11,0); Print("Week"); //在液晶上显示字母week a=CurrentTime.TimeString[0]&0x0f; b=CurrentTime.TimeString[1]&0x0f; c=CurrentTime.TimeString[3]&0x0f; d=CurrentTime.TimeString[4]&0x0f; e=CurrentTime.TimeString[6]&0x0f; f=CurrentTime.TimeString[7]&0x0f; xianshi(a,b,c,d,e,f); if(c==0&&d==0&&e==0&&f==0) //整点报时 { i=a*10+b; while(i--) beep(); } } void main() { flag=1; //时钟停止标志 LCD_Initial(); //液晶初始化 Initial_DS1302(); //时钟芯片初始化 up_flag=0; down_flag=0; done=0; //进入默认液晶显示 while(1) { while(done==1) keydone(); //进入调整模式 while(out==0) bell(); //进入闹钟模式 while(done==0&&out==1) { show_time(); //液晶显示数据 flag=0; Setkey(); //扫描各功能键}}}
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