motor.c

在MSP430平台上开发的二相双极步进电机驱动

#include <reg52.h>
#include <absacc.h>
void delay(); 
void turn();
void circle();
sbit P1_0 = P1^0;
sbit P1_1 = P1^1;
main()
{

 P2 = 0x0F0;
 while(1)
 {  
  circle();  
 }
 
}

void delay()    //延时
{
  unsigned char i;
  unsigned char j;
  for( i=0;i<200;i++ );
   for(j=0;j<8;j++);   
}

void turn()
{
  /*
  //每步0。9度
  P2 = 0x09;   //DA
  delay();
  P2 = 0x08;   //D
  delay();
  P2 = 0x0c;   //CD
  delay();
  P2 = 0x04;   //C
  delay();
  P2 = 0x06;   //BC
  delay();
  P2 = 0x02;   //B
  delay();
  P2 = 0x03;   //AB
  delay();
  P2 = 0x01;   //A
  delay();

*/
  P2 = 0x09;  
  delay();
  P2 = 0x0C; 
  delay();
  P2 = 0x06;   
  delay();
  P2 = 0x03;  
  delay();


 
}
void circle()
{
  unsigned char i;
  for( i=0;i<50;i++)
   {
     turn();
   }

}