7單只數(shù)碼管循環(huán)顯示 0~9單片機 語言程序設計實訓 例 C 100 ---基于 8051 和 仿真

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  #include<reg51.h>
#include<intrins.h>
#define uchar unsigned char
  p8 j+ J: ^' K/ _" K( O#define uint unsigned int
uchar code DSY_CODE[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xff};
//延時
4 T. i# A  }' [+ s# Xvoid DelayMS(uint x)
{
. z# B2 I! Y7 nuchar t;
) w4 L2 [* x# m8 l/ }while(x--) for(t=0;t<120;t++);
/ D9 z5 C; ]& w- h3 J: _}
//主程序
& j* \) p, J8 s' i! x1 [void main()
{
uchar i=0;
P0=0x00;
while(1)
{
P0=~DSY_CODE;
2 @, O6 g- y9 U. }1 u2 wi=(i+1)%10;
DelayMS(300);
}
}