数码管动态显示0~7 无限循环 -

标题: 数码管动态显示0~7 无限循环 [打印本页]

作者: nius 时间: 2015-4-10 03:17
标题: 数码管动态显示0~7 无限循环
#include<reg51.h>
#define xx unsigned int
#define qq unsigned char
xx code ww[]={0x3f,0x06,0x5b,0x4f,
0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,
0x7c,0x39,0x5e,0x79,0x71};
qq code ee[]={0xfe,0xfd,0xfb,0xf7,
0xef,0xdf,0xbf,0x7f};
#define dd P2
#define ff P0
void time(xx);
void main()
{
P2=0;
P0=1;
while(1)
{
unsigned char o;
for(o=0;o<8;o++)
{
   P2=ww[o];
   P0=ee[o];
   time(200);
}
}
}
void time(xx l)
{
xx x,y;
for(x=100;x>0;x--)
for(y=l;y>0;y--);
}

解释：8个数码管从0~7流水显示每移一位自动加“1”直到加至“7” 然后又返回“0”    然后循环以上操作

设计者：薛yh

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