四相步进电机八拍调速程序(共2页).doc

精选优质文档-倾情为你奉上#include /*P1.0=A ;P1.1=B ;P1.2=B ; P1.3=A*/ code unsigned char runz8=0x05,0x01,0x09,0x08,0x0a,0x02,0x06,0x04; /两相四线八拍工作方式code unsigned char runf8=0x04,0x06,0x02,0x0a,0x08,0x09,0x01,0x05; /两相四线八拍工作方式unsigned char keycan=0;/键值unsigned char s,i,j,k,z;int y=30;/定义转动速度，数值越大电机转速越慢反之则快sbit P2_0=P20;/正转按键sbit P2_1=P21;/反转按键sbit P2_2=P22;/电机加速sbit P2_3=P23;/电机减速void delay(i)/延时函数 for(j=0;ji;j+) fo