下面的程序可以控制步进电机正反转，加减速。至于控制步数稍微改一下就可以，自己看看。#include#include#define uchar unsigned char #define uint unsigned int sbit key1=P3^7;sbit key2=P3^6;sbit key3=P3^5;uchar kz,i=200;uchar zhengzhuan[]={0xf3,0xf9,0xfc,0xf6};uchar fanzhuan[]={0xf3,0xf6,0xfc,0xf9};void delay1ms(uint ms){
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