51单片机--按键控制LED灯点亮（按两次） -

标题: 51单片机--按键控制LED灯点亮（按两次） [打印本页]

作者: 小江loopone 时间: 2018-8-3 10:27
标题: 51单片机--按键控制LED灯点亮（按两次）
#include <reg51.h>
unsigned char led0[]={0xfe,0xfe,0xfd,0xfd,0xfb,0xfb,0xf7,0xf7,0xef,0xef,0xdf,0xdf,0xbf,0xbf,0x7f,0x7f,0x7f};
unsigned char led1[]={0xff,0xff};
unsigned char count=0;
void unit()
{
  IT1=1;
EX1=1;
EA=1;

}
void main()
{
unit();
  while(1)
{
if(count>16)
count=1;

if(count<2)
{
P0=led1[count];
}
else
{
P0=led0[count-2];
}

}

}
void inty() interrupt 2
{
  count++;

}

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