1、8個(gè)動(dòng)態(tài)數(shù)碼管時(shí)鐘顯示#include#define uint unsigned int#define uchar unsigned char uchar i/temp/aa,miao,fen/shi/play=0;/*定義3個(gè)鍵，KI用于調(diào)節(jié)分，K2用于調(diào)節(jié)時(shí)，K3用于調(diào)節(jié)時(shí)*sbit Kl=P3A0; 調(diào)節(jié)分sbit K2=P3A1; 調(diào)節(jié)時(shí)sbit K3=P3A2; 暫停、開始*8個(gè)動(dòng)態(tài)數(shù)碼管編碼表顯示數(shù)字*uchar code table=(0 x3f,0 x06,0 x5b/0 x4f/0 x66,0 x6d,0 x7d,0 x07,0 x7f0 x6f);void display(

2、uchar miao,uchar fen,uchar shi); 顯示時(shí)鐘void play_display(); 暫停/開始函數(shù)void delay(uint z); 延時(shí)函數(shù)void init();初始化函數(shù)void main()(init();/初始化子程序miao=0;shi=O;fen=0;while(l)play_display();display(miao,fen,shi);)void delay(uint z)uint x,y;for(x=z;x0;x-)for(y=110;y0;y-);void display(uchar miao,uchar fenzuchar shi)

3、/ 顯示子函數(shù)(P0=0 x00;顯示秒個(gè)位P0=tablemiao%10;P2=Ox7f;delay ；P0=0 x00;顯示秒十位P0=tablemiao/10;P2=Oxbf;delay ；P0=0 x00;顯示七”P0=0 x40;P2=Oxdf;delay ；P0=0 x00;顯示分個(gè)位P0=tablefen%10;P2=0 xef;delay ；P0=0 x00;顯示分十位P0=tablefen/10;P2=Oxf7;delay ；P0=0 x00;顯示七”P0=0 x40;P2=Oxfb;delay ；P0=0 x00;顯示時(shí)個(gè)位P0=tableshi%10;P2=Oxfd;de

4、lay(l);PO=OxOO;顯示時(shí)十位P0=tableshi/10;P2=0 xfe;delay ；void init() /初始化子函數(shù)(temp=0;TMOD=0 x01;TH0=(6553645872)/256;TL0=(65536-45872)%256; /定時(shí)器初值，定時(shí)50ms (12M晶振)，由于考慮MCU指令處理時(shí)間，此處賦初值位45872EA=1;ETO=1;TRO=1;void timer0() interrupt 1 定時(shí)計(jì)數(shù)器中斷(TH0=(6553645872)/256;TL0=(65536-45872)%256;aa+;if(aa=20) 中斷20次為IS,秒加1

5、miao+;aa=0;if(miao=60)fen+; /滿60S,分加1,秒清0miao=0;if(fen=60)(shi+; /小時(shí)加1fen=O;if(shi=24) shi=O; 小時(shí)滿) void play_display()if(K3=0) delay(l);if(K3=0)play+;用來檢測(cè)暫停或開始，單數(shù)為暫停，雙數(shù)為開始while(i50)&(K3=0) 檢測(cè)按鍵是否松開delay(l);i+；if(play%2=l) 暫停TRO=O;if(Kl=O) / 調(diào)分delay(2);if(Kl=O) fen+;if(fen=60) fen=O;delay(2);while(!Kl);if(K2=0