51--步进电机驱动代码

   #include
   #define uchar unsigned char
   #define uint unsigned int
   sbit dianji=P0^2;

   uchar zheng[]={0x40,0x20,0x10,0x08};//P1口6，5，4，3。对应的是A.B.C.D
   uchar fan[]={0x08,0x10,0x20,0x40};
   void delay(uchar z) //延时1ms
   {
		uchar i,j;
		for(i=z;i>0;i--)
		for(j=110;j>0;j--);
   }
  void main()
  {
     int i,j,k;	 

				while(1)
					 {
					    for(i=0;i<4;i++)
					      { 
					        P1=fan[i];
					 	    delay(18);
					 	  }
				     }			  
				  delay(8);

	}