分兩個版本,實現(xiàn)的功能類似

注意：要想八個八段數(shù)碼管都顯示內(nèi)容則必須將延時降低并且方式是來回快速刷新

#include <reg52.h>
sbit ce = P1^3;
sbit le1 = P1^4;
sbit le2 = P1^5;
char code table[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0x88,0x83,0xc6,0xa1,0x86,0x8e};
char code select[] = {0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};
void delay( unsigned int xms){

unsigned char i,j;

for(i=xms;i>0;i--)

for(j=300;j>0;j--);
}

void main(){
    unsigned char display_number = 0;
    unsigned char select_number = 0;
  ce = 0;
    le1 = 0;
    le2 = 0;
    while(1){

        le1 = 1; 
        P0 = ~table[display_number];
        le1 = 0;
            
        le2 = 1;
        P0 =  select[select_number];
        le2 = 0;
            
        delay(6);
        
        ++display_number;
        display_number %= 8;
        ++select_number;
        select_number %= 8;
        
    }
        
}

#include <reg52.h>
sbit ce = P1^3;
sbit le1 = P1^4;
sbit le2 = P1^5;
char code table[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0x88,0x83,0xc6,0xa1,0x86,0x8e};
char code select[] = {0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};

void delay( unsigned int xms){

unsigned char i,j;

for(i=xms;i>0;i--)

for(j=300;j>0;j--);
    
}

void main(){
    unsigned char display_number = 0;
    unsigned char select_number = 0;
  ce = 0;
    le1 = 0;
    le2 = 0;
    while(1){

        
        le2 = 1;
        P0 =  select[select_number];
        le2 = 0;
        
        delay(2000);
        
        le1 = 1; 
        P0 = ~table[display_number];
        le1 = 0;
        
        
            
        
            delay(2000);
        
        
        ++display_number;
        display_number %= 10;
        
        
    }
        
}