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/*********************************************************************************
*實驗名：數(shù)碼管動態(tài)顯示
*實驗效果：8位數(shù)碼管顯示數(shù)字12345678
*注意：每位數(shù)碼管顯示之間延遲時間小于3ms可看見8位數(shù)碼管同時點亮
*
*********************************************************************************/
#include<reg52.h>
#define uchar unsigned char
#define uint unsigned int
sbit yin1=P0^0;
void delay(uint xms) //xms等于幾就延遲幾毫秒
{
uint i,j;
for(i=xms;i>0;i--)
for(j=112;j>0;j--);
}
void main()
{
while(1)
{
P2=0x01;
P0=0x07;
delay(500);
P2=0x03;
P0=0x03;
delay(500);
P2=0x07;
P0=0x01;
delay(500);
P2=0x0f;
P0=0x00;
delay(500);
P2=0x06;
P0=0x09;
delay(500);
P2=0x00;
P0=0x09;
delay(500);
P2=0x06;
P0=0x09;
delay(500);
P2=0x08;
P0=0x0e;
delay(500);
P2=0x0c;
P0=0x0c;
delay(500);
P2=0x0e;
P0=0x08;
delay(500);
P2=0x0f;
P0=0x00;
delay(500);
P2=0x00;
P0=0x00;
delay(500);
}
}

復(fù)制代碼