51单片机步进电机正反转调速1602显示8页.docx

51单片机步进电机正反转调速1602显示 - C51源代码#include /51芯片管脚定义头文件#include /内部包含延时函数 _nop_();#define uchar unsigned char#define uint unsigned int#define delayNOP(); _nop_();_nop_();_nop_();_nop_();uchar code FFW8=0xf1,0xf3,0xf2,0xf6,0xf4,0xfc,0xf8,0xf9;uchar code REV8=0xf9,0xf8,0xfc,0xf4,0xf6,0xf2,0xf3,0xf1;sbit K1 = P32; /运行与停止sbit K2 = P33; /设定圈数sbit K3 = P34; /方向转换sbit K4 = P35; /速率调整sbit B