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標題: 單片機流水燈程序 [打印本頁]

作者: angelcat 時間: 2016-3-26 11:13
標題: 單片機流水燈程序
#include <reg51.h>

void delay()
{
  unsigned int i;

  for (i=0; i<20000; i++) {}
}

void main()
{
  unsigned char index;
  unsigned char LED;

  while (1) {
LED = 1;
for (index=0; index < 8; index++){
   P1 = LED;
   P2 = LED;
   P3 = LED;
LED <<= 1;

   delay();
  }
  }
  }

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