求大哥教教我怎么写限位开关控制电机停止的程序

ID:298034 · 发表于 2018-3-28 21:14

图如下

ID:298034 · 发表于 2018-4-3 11:56

#include<reg52.h>
#define uint  unsigned int
#define uchar unsigned char
//------8拍-----
uchar code zz[]={0x01,0x03,0x02,0x06,0x04,0x0c,0x08,0x09}; //正转
uchar code fz[]={0x09,0x08,0x0c,0x04,0x06,0x02,0x03,0x01}; //反转

void delay(uint ms)
{
uint t;
while(ms--)
   for(t=0;t<120;t++);
}

void motor_zz(uint n)
{
   uint i,j,k;
   for(i=0;i<5*n;i++)
   {
      for(j=0;j<8;j++)
      {
         for(k=0;k<120;k++)
               break;
         P1=zz[j];
         delay(20);
      }
   }
}

void motor_fz(uint n)
{
   uint i,j,k;
   for(i=0;i<5*n;i++)
   {
      for(j=0;j<8;j++)
      {
            for(k=0;k<120;k++)
               break;
            P1=fz[j];
            delay(20);
         }
   }
}

void main()
{
uint N=2;
while(1)
{
      P3=0xff;          //11111111
      if(P3==0xfe)    //11111110
      {
               while(P3==0xfe);  //11111110
               P0=0xfe;       //11111110
               motor_zz(N);

         }
         else if(P3==0xfd)    //11111101
         {
            while(P3==0xfd); //11111101
            P0=0xfd;          //11111101
            motor_zz(N);
         }

}
}

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