stepmotor.c

单片机的仿真实例!用的是Proteus作的,大家有需要的尽管下吧

#include <reg51.h>
#include <absacc.h>
sbit p10=P1^0;
sbit p11=P1^1;
sbit p12=P1^2;

#define  UP   20
#define  DOWN  30
#define  STOP  40

void delay()//延时程序
{
	unsigned i,j,k;
	for(i=0;i<0x02;i++)
		for(j=0;j<0x02;j++)
			for(k=0;k<0xff;k++);
}

main()
{
	unsigned char temp;
	while(1)
	{
		if(p10==0)
		{
			temp=UP;//控制正转
			P2=0X00;
			delay();
		}
		if(p11==0)
		{
			temp=DOWN;//控制反转
			P2=0X00;
			delay();
		}
		if(p12==0)
		{
			temp=STOP;//控制停止
		}
		switch(temp)
		{
		case DOWN : P2=0X01;//控制反转 //0011
					delay();
					delay();
					P2=0X02;//0110
					delay();
					delay();
					P2=0X04;//1100
					delay();
					delay();
					P2=0X08;//1001
					delay();
					delay();
					break;
		case UP :	P2=0X08;//控制正转
					delay();
					delay();
					P2=0X04;
					delay();
					delay();
					P2=0X02;
					delay();
					delay();
					P2=0X01;
					delay();
					delay();
					break;
		case  STOP ://控制停止
					P2=0X00;
					delay();
					delay();					
					break;
		}
   }
}