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>
  w+ k# N1 e6 L/ g+ h#define uchar unsigned char
' O  S9 z& `7 Q/ h' s#define uint unsigned int
uchar code DSY_CODE[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xff};
8 J! I) f7 @2 [8 ^) g7 m/ A$ B//延時
void DelayMS(uint x)
0 H. r/ ?) G) t{
uchar t;
while(x--) for(t=0;t<120;t++);
}
' w  a. u' h  R3 ?* U0 F; p//主程序
. k! E# n$ ?4 k8 l/ \7 mvoid main()
: v3 W- U$ {, u! M0 ?3 n( k{
, |& [2 ^1 |9 }( u, Y+ fuchar i=0;
  x. O: D. l6 {9 c6 j1 z) fP0=0x00;
while(1)
{
( {" V5 k8 J$ O( ~, O* ~P0=~DSY_CODE;
i=(i+1)%10;
DelayMS(300);
}
, y# c; m/ d0 C1 D- A- ]}