6位数码管动态显示，单片机直接片选，先显示201903，再显示abcdef，再显示123456，用C语言编程

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8位数码管动态显示，单片机直接片选，先显示201903，再显示abcdef，再显示123456，用C语言编程 ，重复循环，仿真试试。

#include<reg51.h>

#define uchar unsigned char

// 此表为 LED 的字模 0  1  2  3  4  5  6  7  8  9  a  b  c  d  e f

unsigned char code LED7Code[] = {0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,0x6F,0x77,0x7C,0x39,0x5E,0x79,0x71};

void delay(uchar z)

{

uchar i,j;

for(i=0;i<120;i++)

for(j=0;j<z;j++);

}

void main()

{

uchar k;

while(1)

{

for(k=0;k<50;k++)

{

P0=0xff;

P2=LED7Code[0];

P0=0xfe;

delay(5);

P0=0xff;

P2=LED7Code[0];

P0=0xfd;

delay(5);

P0=0xff;

P2=LED7Code[2];

P0=0xfb;

delay(5);

P0=0xff;

P2=LED7Code[0];

P0=0xf7;

delay(5);

P0=0xff;

P2=LED7Code[1];

P0=0xef;

delay(5);

P0=0xff;

P2=LED7Code[9];

P0=0xdf;

delay(5);

P0=0xff;

P2=LED7Code[0];

P0=0xbf;

delay(5);

P0=0xff;

P2=LED7Code[3];

P0=0x7f;

delay(5);

}

for(k=0;k<50;k++)

{

P0=0xff;

P2=LED7Code[0];

P0=0xfe;

delay(5);

P0=0xff;

P2=LED7Code[0];

P0=0xfd;

delay(5);

P0=0xff;

P2=LED7Code[10];

P0=0xfb;

delay(5);

P0=0xff;

P2=LED7Code[11];

P0=0xf7;

delay(5);

P0=0xff;

P2=LED7Code[12];

P0=0xef;

delay(5);

P0=0xff;

P2=LED7Code[13];

P0=0xdf;

delay(5);

P0=0xff;

P2=LED7Code[14];

P0=0xbf;

delay(5);

P0=0xff;

P2=LED7Code[15];

P0=0x7f;

delay(5);

}

for(k=0;k<50;k++)

{

P0=0xff;

P2=LED7Code[0];

P0=0xfe;

delay(5);

P0=0xff;

P2=LED7Code[0];

P0=0xfd;

delay(5);

P0=0xff;

P2=LED7Code[1];

P0=0xfb;

delay(5);

P0=0xff;

P2=LED7Code[2];

P0=0xf7;

delay(5);

P0=0xff;

P2=LED7Code[3];

P0=0xef;

delay(5);

P0=0xff;

P2=LED7Code[4];

P0=0xdf;

delay(5);

P0=0xff;

P2=LED7Code[5];

P0=0xbf;

delay(5);

P0=0xff;

P2=LED7Code[6];

P0=0x7f;

delay(5);

}

}

}