流水灯原理图和程序设计

流水灯电路图和程序

#include <reg52.h>

#include<instrins.h>

#define uchar unsigned char

#define uint  unsigned int

uchar code led[]={0xfe,0xfb,0xfd ,0xf7,0xef,0xbf,0xdf,0x7f};

delay(uint z)

{

  uint x,y;

  for(x=z;x>0;x--)

     for(y=110;y>0;y--);

}

main( )

{

  uint i;

  while(1)

  {

  P2=led[];

  delay(500);

  _crol_(led,1);

  }

}