|
|
& D9 i; v4 l v( Y, C9 z #include<reg51.h> `. y. h: }( {, v% T. @- L7 u
#include<intrins.h>
7 Z+ v6 l d/ R# y#define uchar unsigned char
! Y6 \4 @ c; L) C#define uint unsigned int! i2 |% \, ~! s- Z! g2 G2 j d6 O9 f U
uchar code DSY_CODE[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xff};
( g; D2 e7 c! x. Y9 R/ ]//延时
: @, ], c- @# `void DelayMS(uint x). q$ d0 d D" j* t
{/ G, @3 m. U! [& k- u/ c
uchar t;- Y5 m2 }. [" p8 b5 U/ w
while(x--) for(t=0;t<120;t++);
& y( |( x" ?- V {' N% a}' g$ Q5 u. z2 L% F
//主程序
* A' F& _6 G0 ~void main()/ v" G- W6 h2 A+ Q9 ]
{1 F* m* o, R2 w. p# K& S
uchar i=0;3 B a' h9 M# }9 ?0 w" o2 L6 H
P0=0x00;
0 T0 U0 |% ~4 k7 h! |while(1)2 `/ D5 u ?! Z' n+ n
{
$ m: u+ ]3 O7 uP0=~DSY_CODE;; i6 T4 D( Y0 L4 m" c
i=(i+1)%10;* |+ J, m) S2 P0 O* u
DelayMS(300);5 C, s) `$ w# ~# T/ J
}7 d, y8 l; R3 _+ {
}
( O0 w& L( Y. D: n7 v, e% P- w' F
5 V: U5 {! H I s: B- L |
|
发表于 2018-6-22 16:45:13