基于51單片機(jī)的電子時(shí)鐘設(shè)計(jì)源程序

1、/時(shí)間顯示緩沖區(qū)/日期顯示緩沖區(qū)#include unsigned char DispBuf6; unsigned char Disdate6;unsigned char DisSec6;/秒表緩沖區(qū)structunsigned char Hour;unsigned char Min;unsigned char Sec;Time;structunsigned char Year; unsigned char Month; unsigned char Days;Date;structunsigned char Minite;unsigned char Second; unsigned char

2、MilliSec;Millisecond;unsigned char point=0; unsigned char point1=0; unsigned char point2=0; unsigned char Daymount; unsigned char Daymount1; unsigned char T0_Int_Times=0; unsigned char Flash_flag=0; unsigned char Flash_flag1=0;unsigned char DisPlay_Back=0; 不一致/設(shè)定時(shí)間結(jié)構(gòu)體/設(shè)定日期結(jié)構(gòu)體/設(shè)定毫秒結(jié)構(gòu)體/中斷次數(shù)計(jì)數(shù)變量/閃爍標(biāo)志，每

3、半秒閃爍/閃爍標(biāo)志，每半秒閃爍/顯示緩沖區(qū)更新備份， 如果顯示緩沖區(qū)更新則跟閃爍標(biāo)志unsigned char DisPlay_Back1=0;/顯示緩沖區(qū)更新備份，如果顯示緩沖區(qū)更新則跟閃爍標(biāo)志不一致unsigned char i,j; unsigned char SetMillisecond;/啟動(dòng)秒表code unsigned char LEDCode=0x01,0xd7,0x22,0x82,0xc4,0x88,0x08,0xc1,0x00,0x80; /數(shù)碼管顯示代碼 code unsigned char ErrorLEDCode=0x01,0xe7,0x12,0x82,0xc4,0x

4、88,0x08,0xc1,0x00,0x80;/ 繪制錯(cuò)誤圖紙的數(shù)碼管顯示代碼void DisPlayBuf(); void ChangeToDispCode(); void ChangeToDispCode1();void changedate();/ 調(diào)日期void displaydate();/ 顯示日期void makedays();/確定每個(gè)月的日期void runSec();void delay(unsigned int i);/函數(shù)聲名sbit P1_0=P1A0;sbit P1_ 仁P1A1；sbit P1_2=P1A2;/*/ Init 初始化代碼/ 設(shè)定 50ms 中斷一次

5、，注：在 Fosc=6M 情況下*void Init(void)Date.Year=10；Date.Month=12；Date.Days=25；Time.Hour=12；Time.Min=0；Time.Sec=0；TMOD=0x01；TH0=(65536-5000)/256；TL0=(65536-5000)%256；TR0=1；ET0=1；EA=1；*時(shí)子* void delay(unsigned int i)char j；for(i； i 0； i-)for(j = 200； j 0； j-)；/*/ 主程序*main()Init()； /初始化for(；)if(DisPlay_Back!=

6、Flash_flag) / 是否顯示？DisPlay_Back=Flash_flag；/顯示過后要半秒后再顯示ChangeToDispCode()；/轉(zhuǎn)化時(shí)間為可顯示代碼if(Flash_flag)/更新雙點(diǎn)閃爍DispBuf2=DispBuf2|0x10;DispBuf4=DispBuf4|0x20; elseDispBuf2=DispBuf2&0xef;DispBuf4=DispBuf4&0xdf; ;if(Flash_flag & point=1)DispBuf0=DispBuf0|0xff;DispBuf1=DispBuf1|0xff;elseDispBuf0=DispBuf0&0xf

7、f;DispBuf1=DispBuf1&0xff;if(Flash_flag & point=2)DispBuf2=DispBuf2|0xff;DispBuf3=DispBuf3|0xff;elseDispBuf2=DispBuf2&0xff;DispBuf3=DispBuf3&0xff;if(Flash_flag & point=3)DispBuf4=DispBuf4|0xff;DispBuf5=DispBuf5|0xff;elseDispBuf4=DispBuf4&0xff;DispBuf5=DispBuf5&0xff;/雙點(diǎn)熄滅/點(diǎn)亮雙點(diǎn)/更新小時(shí)/小時(shí)熄滅/小時(shí)點(diǎn)亮/更新分鐘/分鐘熄滅

8、/分鐘點(diǎn)亮/更新秒鐘/秒鐘熄滅/秒鐘點(diǎn)亮if(P1&0x07)!=0x7)/按鍵處理模塊模塊DisPlayBuf();/ 顯示delay(250);if(P1&0x07)!=0x7)if(P1_2=0)point=(point+1)%5;else if (P1_1=0)switch(point) case 0:Millisecond.Minite=0;Millisecond.Second=0;Millisecond.MilliSec=0;SetMillisecond+; runSec(); break;case 1:Time.Hour=( Time.Hour+1)%24; break;case

9、 2:Time.Min=( Time.Min+1)%60; break;case 3:;Time.Sec=( Time.Sec+1)%60; break;else if (P1_0=0)switch(point)case 0:ChangeToDispCode1();Disdate2=Disdate2&0xef;/點(diǎn)亮雙點(diǎn)Disdate4=Disdate4&0xdf;displaydate();delay(2000);break;case 1:Time.Hour=( Time.Hour+24-1)%24; break;case 2:Time.Min=( Time.Min+60-1)%60; br

10、eak;case 3:Time.Sec=( Time.Sec+60-1)%60; break;case 4:changedate();break;makedays();/*/ 把時(shí)間顯示緩沖區(qū)的內(nèi)容發(fā)到 74HC164/* void DisPlayBuf(void) unsigned char i; for(i=0;i6;i+) /等待發(fā)送完畢/把發(fā)送完標(biāo)志清掉以備下次再用SBUF=DispBufi; while(TI=0); TI=0;/* / 把日期顯示緩沖區(qū)的內(nèi)容發(fā)到 74HC164/* void displaydate(void) unsigned char i; for(i=0;i6

11、;i+) SBUF=Disdatei;while(TI=0); / 等待發(fā)送完畢TI=0;/把發(fā)送完標(biāo)志清掉以備下次再用;/*/ 把秒表技術(shù)顯示緩沖區(qū)的內(nèi)容發(fā)到 74HC164*void displaySec(void)unsigned char i; for(i=0;i=100)Millisecond.MilliSec=0;Millisecond.Second+;if(Millisecond.Second=60) Millisecond.Second=0;Millisecond.Minite+;if(Millisecond.Minite=60)Millisecond.Minite=0;T0_

12、Int_Times+; if(T0_Int_Times=50) Flash_flag =1;Flash_flag1 =1;else/中斷次數(shù)加/每半秒更新閃爍標(biāo)志Flash_flag =0;Flash_flag1 =0;/如果中斷 10次為 1 秒的時(shí)間開始更新時(shí)、分、秒;if(T0_Int_Times=100)T0_Int_Times=0;Time.Sec+;if(Time.Sec=60)Time.Sec=0;Time.Min+; if(Time.Min=60) Time.Min=0;Time.Hour=(Time.Hour+1)%24; if(Time.Hour=24)Time.Hour=

13、0;Date.Days+;if( Date.Days Daymount)Date.Days=1;Date.Month+;if(Date.Month12)Date.Month=1;Date.Year+;/*/*調(diào)節(jié)日期 */* void changedate(void)while(1)if(DisPlay_Back1!=Flash_flag1) / 是否顯示？DisPlay_Back1=Flash_flag1; / 顯示過后要半秒后再顯示 ChangeToDispCode1(); / 轉(zhuǎn)化時(shí)間為可顯示代碼 if(Flash_flag1) / 更新雙點(diǎn)閃爍 Disdate2=Disdate2|0x

14、10; /雙點(diǎn)熄滅Disdate4=Disdate4|0x20;elseDisdate2=Disdate2&0xef;/ 點(diǎn)亮雙點(diǎn)Disdate4=Disdate4&0xdf;if(Flash_flag1& point1=1)Disdate0=Disdate0|0xff;Disdate1=Disdate1|0xff;elseDisdate0=Disdate0&0xff;Disdate1=Disdate1&0xff; ;if(Flash_flag1 & point1=2)Disdate2=Disdate2|0xff;Disdate3=Disdate3|0xff;elseDisdate2=Disd

15、ate2&0xff;Disdate3=Disdate3&0xff; ;if(Flash_flag1 & point1=3)Disdate4=Disdate4|0xff;Disdate5=Disdate5|0xff;elseDisdate4=Disdate4&0xff;Disdate5=Disdate5&0xff; ;displaydate();if(P1&0x07)!=0x7)delay(250);if(P1&0x07)!=0x7)if(P1_2=0)point1=(point1+1)%5;else if (P1_1=0)/更新年/年熄滅/年點(diǎn)亮/更新月/月熄滅/月點(diǎn)亮/更新天/天熄滅/天點(diǎn)亮

16、/*按鍵處理模塊 *switch(point1)case 1:Date.Year+; break;case 2:Date.Month+;if( Date.Month=13)Date.Month=1;break;case 3:makedays();Date.Days+; if(Date.DaysDaymount) Date.Days=1;break;else if (P1_0=0)switch(point1)case 1:Date.Year-; break;case 2:Date.Month-;if( Date.Month=0)Date.Month=12;break;case 3:makeday

17、s();Date.Days-; if(Date.Days=0) Date.Days=Daymount;break;if(point1=4)point1=0;break;*/*調(diào)日期加時(shí)時(shí)確定天數(shù) */* void makedays()switch (Date.Month)case 4:case 6:case 9:case 11:Daymount=30; break;case 2:if(Date.Year%4=0)Daymount=29;elseDaymount=28;break;default: Daymount=31;break;void runSec()while(1)if(DisPlay_Back!=Flash_flag) / 是否顯示？DisPlay_Back=Flash_flag; /顯示過后要半秒后再顯示ChangeToDispCode2(); / 轉(zhuǎn)化時(shí)間為可顯示代碼 if(Flash_flag)/更新雙點(diǎn)閃爍DisSec2=DisSec2|0x10; / 雙點(diǎn)熄滅 DisSec4=DisSec4|0x20;elseDisSec2=DisSec2&0xef; /點(diǎn)亮雙點(diǎn) DisSec4=DisSec4&0xdf; displaySec();if(P1&0x07)!=0x7)/ 按鍵處理模塊模塊delay(250); if(P1&0x