#include<reg52.h>   #include <intrins.h> //unsigned char  segout[8]={0,1,2,3,4,5,6,7}; //8列unsigned char  segout[8]={0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80}; //8列unsigned char code tab[]={                        0x00,0x6C,0x92,0x82,0x44,0x28,0x10,0x00                        };                        sbit LATCH = P1^0; sbit SRCLK= P1^1;sbit SER  = P1^2;//公共端信號控制sbit LATCH_B = P2^2;sbit SRCLK_B= P2^1;sbit SER_B= P2^0;void DelayUs2x(unsigned char t){    while(--t);}void DelayMs(unsigned char t){      while(t--) {     //大致延時1mS     DelayUs2x(245);DelayUs2x(245); }}void SendByte(unsigned char dat){      unsigned char i;            for(i=0;i<8;i++)        {         SRCLK=0;         SER=dat&0x80;         dat<<=1;         SRCLK=1;         }         }void Send2Byte(unsigned char dat1,unsigned char dat2){       SendByte(dat1);   SendByte(dat2);      }void Out595(void){        LATCH=1;        _nop_();        LATCH=0;}void SendSeg(unsigned char dat){    unsigned char i;            for(i=0;i<8;i++)  //發送字節        {         SRCLK_B=0;         SER_B=dat&0x80;         dat<<=1;         SRCLK_B=1;         }      LATCH_B=1;    //鎖存      _nop_();      LATCH_B=0;                  }void main(){unsigned char i;while(1){                  for(i=0;i<8;i++) //8列顯示                  {                     SendSeg(segout[i]);Send2Byte(~tab[i],0xff);Out595();                     DelayMs(1);Send2Byte(0xff,0xff);//delay(10); //防止重影Out595();                  }                    }}