#include<reg52.h> //包含頭文件，一般情況不需要改動(dòng)，頭文件包含特殊功能寄存器的定義#define DataPort P0 //定義數(shù)據(jù)端口 程序中遇到DataPort 則用P0 替換sbit LATCH1=P2^2;//定義鎖存使能端口 段鎖存sbit LATCH2=P2^3;//                 位鎖存unsigned char code dofly_DuanMa[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};// 顯示段碼值0~Funsigned char code dofly_WeiMa[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};//分別對(duì)應(yīng)相應(yīng)的數(shù)碼管點(diǎn)亮,即位碼void Delay(unsigned int t); //函數(shù)聲明/*------------------------------------------------                    主函數(shù)------------------------------------------------*/main(){ unsigned char i=0,num; unsigned int j; while(1)      {	   DataPort=dofly_WeiMa[i]; //取位碼        LATCH2=1;     //位鎖存       LATCH2=0;       DataPort=dofly_DuanMa[num+i]; //取顯示數(shù)據(jù)，段碼       LATCH1=1;     //段鎖存       LATCH1=0;	   Delay(200); // 掃描間隙延時(shí)，時(shí)間太長會(huì)閃爍，太短會(huì)造成重影	   i++;j++;	   if(8==i)    //檢測8位掃描完全結(jié)束？如掃描完成則從第一個(gè)開始再次掃描8位	     i=0;	   if(j==500)  //檢測當(dāng)前數(shù)值顯示了一小段時(shí)間后，需要顯示的數(shù)值加1，實(shí)現(xiàn)數(shù)據(jù)顯示的變化	     {		  j=0;		  num++;		  if(num==9)		    num=0;		 }      }}/*------------------------------------------------ 延時(shí)函數(shù)，含有輸入?yún)?shù) unsigned int t，無返回值 unsigned int 是定義無符號(hào)整形變量，其值的范圍是 0~65535------------------------------------------------*/void Delay(unsigned int t){ while(--t);}