步进电动机.zip

#include<reg51.h> sbit k1=P1^0; //正 sbit k2=P1^1; //反 sbit k3=P1^2; //停 unsigned char code positive[]={0xfe,0xfc,0xfd,0xf9,0xfb,0xf3,0xf7,0xf6}; unsigned char code negative[]={0xfe,0xf6,0xf7,0xf3,0xfb,0xf9,0xfd,0xfc}; void delay(unsigned char m) { unsigned char i; while(m--) { for(i=0;i<125;i++); } } void Positive(unsigned char m) //正转 { unsigned char i,j; for(i=0;i<8*m;i++) //8=360除以齿距角 { for(j=0;j<8;j++) //齿距角 { P2=positive[j]; delay(20); if(k3==0) { delay(5); if(k3==0) { while(k3==0); break; } } } } } void Negative(unsigned char m) //反转 { unsigned char i,j; for(i=0;i<8*m;i++) { for(j=0;j<8;j++) { P2=negative[j]; delay(20); if(k3==0) { delay(5); if(k3==0) { while(k3==0); break; } } } } } main() { while(1) { if(k1==0) { delay(5); if(k1==0) { while(k1==0); Positive(4); } if(k2==0) { delay(5); if(k2==0) { while(k2==0); Negative(4); } } } } }