新人求助....

只看该作者 · 2012-12-3 19:34

我是新人...~~请大神们帮我看看我的程序问题出在哪了....用按键控制步进电机正转反转停止的正转时有些一卡一卡的而且不能反转....
#include<reg51.h>

unsigned char code runz[]={0xf1,0xf3,0xf2,0xf6,0xf4,0xfc,0xf8,0xf9}; //正转步进电机相序表
unsigned char code runf[]={0xf9,0xf8,0xfc,0xf4,0xf6,0xf2,0xf3,0xf1}; //反转步进电机相序表

sbit K1=P0^0;sbit K2=P0^1;sbit K3=P0^2;

void delay(unsigned char i);//延时函数声明

void motor_init()//步进电机初始化
{

P1=0xff;

}

void keymotor() //按键驱动步进电机 K1反转，K2正转，K3停止
{
loop1:if(K1==0)
   {
      delay(10);
if(K1==0)
{
unsigned char i;
while(1)
for(i=0;i<8;i++)
{
P1=runz[i];
delay(10);
if(K2==0)
goto loop2;
else if(K3==0)
goto loop3;
}

}
   }
loop2:if(K2==0)
   {
      delay(10);
if(K2==0)
{
unsigned char i;
while(1)
for(i=0;i<8;i++)
{
P1=runf[i];
delay(10);
if(K1==0)
goto loop1;
else if(K3==0)
goto loop3;
}

}
   }
loop3:if(K3==0)
   {
      delay(10);
if(K3==0)
{
while(1)
{
P1=0xff;
if(K1==0)
goto loop1;
else if(K2==0)
goto loop2;
}

}
   }
}

void main()
{
motor_init();
while(1)
keymotor();
}

void delay(unsigned char i)
{
unsigned char j;
while(i--)
for(j=0;j<255;j++);
}