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標(biāo)題: c51單片機(jī)之計(jì)數(shù)器，按4次按鍵燈才會(huì)亮 [打印本頁(yè)]

作者: 1551125514 時(shí)間: 2017-11-22 19:31
標(biāo)題: c51單片機(jī)之計(jì)數(shù)器，按4次按鍵燈才會(huì)亮
#include<reg51.h>
#define uchar unsigned char
#define uint unsigned int
void delay(uint i)
{
  uint j;
  for(;i>0;i--);

}
void main()
{
   TMOD=0X50;
   TH1=0XFF;
   TL1=0XFC;
   EA=1;
   ET1=1;
   TR1=1;
   while(1);
      }
void T1_int(void)  interrupt 3
{
for(;;)
{
   P0=0XFF;
delay(500);
P0=0;
delay(500);
}
}

圖片1.png (76.38 KB, 下載次數(shù): 39)

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