步进电机资料
#include<reg51.h>
#define uchar unsigned char
#define uint unsigned int
uint time
void timer1(void) interrupt 1 using 1{ //定时器 0 中断,定时 1ms//
TH0=(65536-1000)/256;
TL0=(65536-1000)%256;
time++;
}
void delay(uint n){ //一般延时
while(--n);
}
void delay(uint dtime){ //延时
TR0=1;
while(time<=dtime);
time=0;
TR0=0;
}
void moto(bit cf,uchar n,uint dtime){ //电机驱动子程序,
uchar idata zhpai[4]={0x78,0xb8,0xd8,0xe8};
uchar idata fpai[4]={0xe8,0xd8,0xb8,0x78};
uchar i,l=0;
if(cf==0) //正转,A-B-C-A
for(i=0;i<n;i++){
P1=zhpai[l];//P1.7~1.4 为输出口,分别为 A、B、C、D
l++;
delay(dtime);
if(l==4)l=0;
}
else{ //反转,C-B-A-C
for(i=0;i<n;i++){
P1=fpai[l];
l++;
delay(dtime);