51单片机控制步进电机

#include
#define uchar unsigned char
#define uint unsigned int
void delay(uint z )
{
 uint x,y;
 for(x=z;x>0;x--)
  for(y=0;y<110;y++);

}
void main()
{
 while(1)
 {
   P1=0x01;
        delay(10);
   P1=0x02;
     delay(10);
   P1=0x04;
     delay(10);
   P1=0x08;
        delay(10);

 }

}