51单片机数码管动态显示，自己编写有待提高 -

标题: 51单片机数码管动态显示，自己编写有待提高 [打印本页]

作者: shuang1 时间: 2020-5-29 21:17
标题: 51单片机数码管动态显示，自己编写有待提高
//segmain.c

#include<reg52.h>
#define uchar unsigned char
#define uint unsigned int
sbit DU=P2^6;
sbit WE=P2^7;
uchar code sz[17]={0x3f, 0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,
               0x77,0x7c,0x39,0x5e,0x79,0x71,0x00,};
void delay(uint xms)
{
uint i,j;
for(i=xms;i>0;i--)
for(j=112;j>0;j--);
}

void main()
{
while(1)
{
      P0=sz[2];
   DU=1;
DU=0;
P0=0x7f;
WE=1;
WE=0;
delay(2);

P0=sz[0];
   DU=1;
DU=0;
P0=0xbf;
WE=1;
WE=0;
delay(2);

P0=sz[0];
   DU=1;
DU=0;
P0=0xdf;
WE=1;
WE=0;
delay(2);

P0=sz[3];
   DU=1;
DU=0;
P0=0xef;
WE=1;
WE=0;
delay(2);

P0=sz[0];
   DU=1;
DU=0;
P0=0xf7;
WE=1;
WE=0;
delay(2);

P0=sz[2];
   DU=1;
DU=0;
P0=0xfb;
WE=1;
WE=0;
delay(2);

P0=sz[0];
   DU=1;
DU=0;
P0=0xfd;
WE=1;
WE=0;
delay(2);

P0=sz[1];
   DU=1;
DU=0;
P0=0xfe;
WE=1;
WE=0;
delay(2);

}

}

欢迎光临 (http://www.51hei.com/bbs/)