步进马达控制电路设计(13)

基于ATMEL89C52单片机的步进马达控制电路设计

#include <intrins.h>

#define uchar unsigned char

#define uint unsigned int

#define delayNOP(); {_nop_();_nop_();_nop_();_nop_();};

Uchar code FFW[8]={0xf1,0xf3,0xf2,0xf6,0xf4,0xfc,0xf8,0xf9};//30度 uchar code REV[8]={0xf9,0xf8,0xfc,0xf4,0xf6,0xf2,0xf3,0xf1};//30度

sbit K1 = P1^4; //运行与停止

sbit K2 = P1^5; //设定圈数

sbit K3 = P1^6; //方向转换

sbit K4 = P1^7; //速率调整

sbit BEEP = P3^7; //蜂鸣器

sbit LCD_RS = P2^0;

sbit LCD_RW = P2^1;

sbit LCD_EN = P2^2;

bit on_off=0; //运行与停止标志

bit direction=1; //方向标志

bit rate_dr=1; //速率标志

bit snum_dr=1; //圈数标志