數(shù)碼管顯示時(shí)間

1、/* 計(jì)時(shí)器*用到138譯碼器P22 P23 P24* 數(shù)碼管接到P0端口*通過(guò)按K4可以切換鬧鈴與時(shí)間顯示* 按K1可以調(diào)秒數(shù)（調(diào)設(shè)置時(shí)間的秒數(shù)，后同），按K2可以調(diào)分?jǐn)?shù)，K3可以調(diào)小時(shí)數(shù)*/#include<reg52.h>#define uint unsigned int #define uchar unsigned char sbit LSA=P22;sbit LSB=P23;sbit LSC=P24;sbit Beep = P15 ;sbit K1=P31;sbit K2=P30;sbit K3=P32;sbit K4=P33;#define First LSA=0;LS

2、B=0;LSC=0/138譯碼器位數(shù)設(shè)置#define Second LSA=1;LSB=0;LSC=0#define Third LSA=0;LSB=1;LSC=0#define Fourth LSA=1;LSB=1;LSC=0#define Fifth LSA=0;LSB=0;LSC=1#define Sixth LSA=1;LSB=0;LSC=1#define Seventh LSA=0;LSB=1;LSC=1#define Eighth LSA=1;LSB=1;LSC=1uchar code DIG_CODE16=0x03f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,

3、0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71;/0、1、2、3、4、5、6、7、8、9、A、b、C、d、E、F的顯示碼uchar Time=0;uchar miao1=0,miao2=0,fen1=0,fen2=0,shi1=0,shi2=0;char Setmiao1=-1,Setmiao2=0,Setfen1=0,Setfen2=0,Setshi1=0,Setshi2=0;void TimerConfiguration();void delayms(uchar x);void Timer(); /時(shí)間顯示void SetingTime(); /時(shí)

4、間設(shè)置void Clock(); /鬧鈴void SetingClock(); /鬧鈴時(shí)間設(shè)置void SetingClockDisplay(); /鬧鐘設(shè)置顯示void Delay(unsigned int i) ; /蜂鳴器所用延時(shí)main()uchar Num=1;Beep=0;TimerConfiguration();while(1)if(K4=0) /通過(guò)K4來(lái)選擇是計(jì)時(shí)還是設(shè)置鬧鈴delayms(1);if(K4=0)Num+;while(!K4);if(Num=2)Num=0;if(Num)SetingClock();else SetingTime();Timer();Clock

5、();void SetingTime() /時(shí)間設(shè)置if(K1=0)delayms(1); if(K1=0)miao1+;while(!K1);else if(K2=0)delayms(1); if(K2=0)fen1+;while(!K2);elseif(K3=0)delayms(1);if(K3=0)shi1+;while(!K3);elsevoid Timer() /時(shí)間顯示if(Time=20|Time>20)/每秒miao1+Time=0;miao1+;else /顯示：在第一位顯示秒的個(gè)位P0=0x00;First;P0=0x00;P0=DIG_CODEmiao1;if(mi

6、ao1=10)miao1=0;miao2+;else /顯示秒的十位P0=0x00;Second;P0=0x00;P0=DIG_CODEmiao2;if(miao2=6)miao2=0;fen1+;P0=0x00; /顯示第三位的“-”Third;P0=0x00;P0=0x40;if(fen1=10)fen1=0;fen2+;else/顯示分的個(gè)位P0=0x00;Fourth;P0=0x00;P0=DIG_CODEfen1;if(fen2=6)fen2=0;shi1+;else /分的十位P0=0x00;Fifth;P0=0x00;P0=DIG_CODEfen2; P0=0x00;/顯示第六位

7、的“-”Sixth;P0=0x00;P0=0x40;if(shi1=10) shi1=0;shi2+;else /顯示時(shí)的個(gè)位P0=0x00;Seventh;P0=0x00;P0=DIG_CODEshi1;/P0=0x00;if(shi2=2) shi2=0;else /顯示時(shí)的十位P0=0x00;Eighth;P0=0x00;P0=DIG_CODEshi2;/P0=0x00;void SetingClock() /鬧鈴時(shí)間設(shè)置 SetingClockDisplay(); /鬧鐘設(shè)置顯示/*通過(guò)按鍵來(lái)設(shè)置鬧鈴時(shí)間*/if(K1=0)delayms(1); if(K1=0)Setmiao1+;w

8、hile(!K1);elseif(K2=0)delayms(1); if(K2=0)Setfen1+;while(!K2);elseif(K3=0)delayms(1);if(K3=0)Setshi1+;while(!K3);else/*時(shí)間的進(jìn)位設(shè)置*/if(Setmiao1=10)Setmiao1=0;Setmiao2+;if(Setmiao2=6)Setmiao2=0;Setfen1+;if(Setfen1=10)Setfen1=0;Setfen2+; if(Setfen2=6)Setfen2=0;Setshi1+;if(Setshi1=10)Setshi1=0;Setshi2+;if(

9、 (Setshi2=2)&&(Setshi1=3) ) /即23時(shí)Setshi1=0;Setshi2=0;void Clock() /鬧鈴if( (Setmiao1=miao1)&&(Setmiao2=miao2)&&(Setfen1=fen1)&&(Setfen2=fen2)&&(Setshi1=shi1)&&(Setshi2=shi2) )while(1)Beep=1;Delay(5);Beep=0;Delay(5);void SetingClockDisplay() /鬧鐘設(shè)置顯示P0=0x0

10、0;First;P0=0x00;P0=DIG_CODESetmiao1;P0=0x00;Second;P0=0x00;P0=DIG_CODESetmiao2;P0=0x00;Fourth;P0=0x00;P0=DIG_CODESetfen1;P0=0x00;Fifth;P0=0x00;P0=DIG_CODESetfen2;P0=0x00;Seventh;P0=0x00;P0=DIG_CODESetshi1;P0=0x00;Eighth;P0=0x00;P0=DIG_CODESetshi2;void TimerConfiguration() /中斷的設(shè)置 TMOD = 0x01; /選擇工作方式1 TH0 = 0x3C; /設(shè)置初始值,定時(shí)50MS TL0 = 0xB0; EA = 1; /打開(kāi)總中斷 ET0 = 1; /打開(kāi)定時(shí)器0中斷 TR0 = 1; /啟動(dòng)定時(shí)器0/* 函數(shù)名 : Timer0()* 函數(shù)功能 : 定時(shí)器0中斷函數(shù)* 輸入 : 無(wú)* 輸出 : 無(wú)*/ void Timer0() interrupt 1TH0 = 0x3C; /設(shè)置初始值TL0 = 0xB0;Time+;void delayms(uchar x) /