/* 名稱：?jiǎn)沃?a class="contentlabel" href="http://www.biyoush.com/news/listbylabel/label/數(shù)碼管">數(shù)碼管循環(huán)顯示 0~9

說明：主程序中的循環(huán)語句反復(fù)將 0~9 的段碼送至 P0 口，使數(shù)字 0~9 循環(huán)顯示

*/

#includereg51.h>

#includeintrins.h>

#define uchar unsigned char

#define uint unsigned int

uchar code DSY_CODE[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xff};

//延時(shí)

void DelayMS(uint x)

{

uchar t;

while(x--) for(t=0;t120;t++);

}

//主程序

void main()

{

uchar i=0;

P0=0x00;

while(1)

{

P0=~DSY_CODE[i];

i=(i+1)%10;

DelayMS(300);

}

}