if4.c

常用子程序-61个-4.2M.zip

#include<at89x51.h>
void Ledon(void);
void Ledoff(void);
void Ifdemo4(void)
{Byte Ledcount;
 if(Ledcount<6)			//Ledcount<6亮灯
	Ledon();
 else if(Ledcount<11)	//6≤Ledcoun<11灭灯
	Ledoff();
 else if(Ledcount<16)	//11≤Ledount<16亮灯
	Ledon();
 else if(Ledcount<68)	//16≤Ledcount<68灭灯
	Ledoff();
 else					//Ledcount>68清零
	Ledcount=0;
}