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標(biāo)題: 步進(jìn)電機(jī)程序 [打印本頁]

作者: 莫子棟 時(shí)間: 2018-8-23 10:27
標(biāo)題: 步進(jìn)電機(jī)程序
#include<reg52.h>
sbit KEY0=P0^0;
sbit KEY1=P0^1;
sbit KEY2=P0^2;
sbit KEY3=P0^3;
sbit KEY4=P0^4;
unsigned char a[]={0x01,0x02,0x04,0x08};
unsigned char b[]={0x08,0x04,0x02,0x01};
unsigned char c[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8};
unsigned char i,s=0,f=0;
unsigned char k=200;
unsigned char l=4;
void delay(unsigned int t)
{
      unsigned char j,b;
b=t;
      while(b--)
      {
            for (j=0;j<125;j++);
      }
}
void key()
{P0=0x1f;
      if(P0!=0x1f)
      {delay(30);
            if(P0!=0x1f)
            {delay(30);
      if(KEY0==0)
      {s=1;}
      if(KEY1==0)
      {f=1;}
      if(KEY4==0)
      {s=0;
            f=0;}
      if(KEY2==0)
            {if(l>1)
               l--;}
      if(KEY3==0)
      {if(l<7)
   l++;}
      }}
      }
void speed()
      {switch(l)
                     {case 7:k=50;P1=c[l];break;
                              case 6:k=100;P1=c[l];break;
                              case 5:k=150;P1=c[l];break;
                              case 4:k=200;P1=c[l];break;
                              case 3:k=250;P1=c[l];break;
                              case 2:k=300;P1=c[l];break;
                              case 1:k=350;P1=c[l];break;}
                     }
void main()
{
      while(1)
      {key();
      while(s>0)
      {speed();
                     for(i=0;i<4;i++)
                              {
                                    P2=b[i];
                                    delay(k);
                                    key();
                              }
                              delay(100);
                              key();
            }

      while(f>0)
      {speed();
                     for(i=0;i<4;i++)
                              {
                                    P2=a[i];
                                    delay(k);
                                    key();
                              }
                              delay(100);
                              key();
            }
      }
      }

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