智能电子钟LCD显示.doc

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1、#include #include #define uint unsigned int#define uchar unsigned char#define Date P3 /数码管数据口#define com P1sbit DS1302_CLK = P17; /实时时钟时钟线引脚 sbit DS1302_IO = P26; /实时时钟数据线引脚 sbit DS1302_RST = P16; /实时时钟复位线引脚sbit ACC0 = ACC0;sbit ACC7 = ACC7;uchar code table=0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x

2、7f,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 = P20; /模式切换键sbit Up = P21; /加法按钮sbit Down = P22; /减法按钮sbit out = P23; /立刻跳出调整模式按钮sbit di=P24; /蜂鸣器char done,count,temp,flag,up_flag,down_flag;uchar TempBuffer5,week_value2;void show_time(); /

3、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; i0; i-) for(j=x; j0; 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=tableshi1;com=0xfe;delayms(10);Date=tableshi2;com=0xfd;delayms(10);Date=tablefen

4、1;com=0xfb;delayms(10);Date=tablefen2;com=0xf7;delayms(10);Date=tablemiao1;com=0xef;delayms(10);Date=tablemiao2;com=0xdf;delayms(10);/*1602液晶显示部分子程序*/sbit LcdRs= P25;sbit LcdRw= P26;sbit LcdEn = P27;sfr DBPort= 0x80;/内部等待函数*unsigned char LCD_Wait(void) LcdRs=0; LcdRw=1; _nop_(); LcdEn=1; _nop_();Lcd

5、En=0;return DBPort;/向LCD写入命令或数据*#define LCD_COMMAND0 / Command#define LCD_DATA1 / Data#define LCD_CLEAR_SCREEN0x01 / 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_

6、Wait();/设置显示模式*#define LCD_SHOW0x04 /显示开#define LCD_HIDE0x00 /显示关 #define LCD_CURSOR0x02 /显示光标#define LCD_NO_CURSOR0x00 /无光标 #define LCD_FLASH0x01 /光标闪动#define LCD_NO_FLASH0x00 /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_UP0x02#

7、define LCD_AC_DOWN0x00 / default#define LCD_MOVE0x01 / 画面可平移#define LCD_NO_MOVE0x00 /defaultvoid 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(LC

8、D_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 *

9、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 DateString11;unsigned char TimeString9;SYSTEMTIME;/定义的时间类

10、型SYSTEMTIME CurrentTime;#define AM(X)X#define PM(X)(X+12) / 转成24小时制#define DS1302_SECOND0x80 /时钟芯片的寄存器位置,存放时间#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(

11、内部函数) unsigned char i;ACC = d; for(i=8; i0; 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; i0; i-) ACC = ACC 1; /相当于汇编中的 RRC ACC7 = DS1302_IO; DS1302_CLK = 1;DS1302_CLK = 0; return(ACC); v

12、oid 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;

13、 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 ReadValue; ReadValue = Read1302(DS1302_SECOND);Time-Second = (ReadV

14、alue&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);Re

15、adValue = 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) /将时间年,

16、月,日,星期数据转换成液晶显示字符串,放到数组里DateStringif(hide_yearDateString0 = 2; Time-DateString1 = 0; Time-DateString2 = Time-Year/10 + 0; Time-DateString3 = Time-Year%10 + 0; else Time-DateString0 = ; Time-DateString1 = ; Time-DateString2 = ; Time-DateString3 = ;Time-DateString4 = /;if(hide_monthDateString5 = Time-

17、Month/10 + 0; Time-DateString6 = Time-Month%10 + 0; else Time-DateString5 = ; Time-DateString6 = ;Time-DateString7 = /;if(hide_dayDateString8 = Time-Day/10 + 0; Time-DateString9 = Time-Day%10 + 0; elseTime-DateString8 = ;Time-DateString9 = ; if(hide_weekWeek%10 + 0; else week_value0 = ; week_value1

18、= 0; Time-DateString10 = 0; /字符串末尾加 0 ,判断结束字符 void TimeToStr(SYSTEMTIME *Time) if(hide_hourTimeString0 = Time-Hour/10 + 0; Time-TimeString1 = Time-Hour%10 + 0; else Time-TimeString0 = ;Time-TimeString1 = ;Time-TimeString2 = :;if(hide_minTimeString3 = Time-Minute/10 + 0; Time-TimeString4 = Time-Minut

19、e%10 + 0; else Time-TimeString3 = ;Time-TimeString4 = ; Time-TimeString5 = :; if(hide_secTimeString6 = Time-Second/10 + 0; Time-TimeString7 = Time-Second%10 + 0; elseTime-TimeString6 = ;Time-TimeString7 = ; Time-DateString8 = 0;void Initial_DS1302(void) /时钟芯片初始化 unsigned char Second=Read1302(DS1302_

20、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;ic

21、ount;i+) for(j=0;j0;delay-)for(i=0;i0x59) /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1up_flag=1;if(temp0x59) /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1up_flag=1;if(temp0x23) /超过23小时,清零 temp=0; break; case 4: temp=Read

22、1302(DS1302_WEEK); /读取星期数 temp=temp+1; /星期数加1 up_flag=1; if(temp0x7) temp=1; break; case 5: temp=Read1302(DS1302_DAY); /读取日数 temp=temp+1; /日数加1 up_flag=1; if(temp0x31) temp=1; break; case 6: temp=Read1302(DS1302_MONTH); /读取月数 temp=temp+1; /月数加1 up_flag=1; if(temp0x12) temp=1; break; case 7: temp=Rea

23、d1302(DS1302_YEAR); /读取年数 temp=temp+1; /年数加1 up_flag=1; if(temp0x85) 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; b

24、reak; 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_fl

25、ag=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 dow

26、n_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

27、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

28、Write1302(0x8e,0x80); /禁止写入 up_flag=0; down_flag=0; hide_sec+; /位闪计数 if(hide_sec3) 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(temp0x60) temp=0; if(up_flag=1|down_flag=1) Write1302(0x8e,0x00); /写入允许 Write1302(0x82,temp);

29、/写入新的分数 Write1302(0x8e,0x80); /禁止写入 up_flag=0; down_flag=0; hide_min+; if(hide_min3) 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,0x

30、80); /禁止写入 up_flag=0; down_flag=0; hide_hour+; if(hide_hour3) 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;

31、 down_flag=0; hide_week+; if(hide_week3) 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+

32、; if(hide_day3) 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_month3) hide_month=0; show_time(); while(count=7);break; case 7:do /count=7,调整年 hide_month=0; outkey(); Upkey(); Downkey();