7單只數碼管循環顯示 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>
7 N9 n3 y2 C0 n4 `" e& I+ [# Y#include<intrins.h>
#define uchar unsigned char
: s( w. [! o$ k0 U$ a$ n& u$ J, m#define uint unsigned int
2 |% v& H. v9 muchar code DSY_CODE[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xff};
" `1 W! i5 j' v( y" f//延時
( f8 f, B& H; |+ Mvoid DelayMS(uint x)
{
/ A) j- ~: |/ Juchar t;
while(x--) for(t=0;t<120;t++);
}
  _* f" O( A0 x, ?; v//主程序
void main()
3 O7 e1 n+ x3 Z0 j* V/ w7 H{
, G! W' d0 s) O) u  q9 zuchar i=0;
0 L& w, a+ f: u3 G3 @5 ^P0=0x00;
" u6 ]* ^! Q8 w+ A' C! Fwhile(1)
{
' l# {; `% W( U8 z4 eP0=~DSY_CODE;
  }+ G! i9 A" r) W* w9 |i=(i+1)%10;
DelayMS(300);
}
}  

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