单片机按键控制步进电机的程序修改

ID:978416 · 发表于 2023-2-21 14:59

写了个按键控制步进电机的程序，按键控制正反转和停止，但是因为用了延时导致按键不太好用，各位给看看要是用定时器实现，需要怎么改一下，或者有什么更好，更简洁的方法

单片机源程序如下:
#include "reg52.h"                      //此文件中定义了单片机的一些特殊功能寄存器
#define uchar unsigned char
#define uint unsigned int
sbit MOTOA = P1^0;       //定义A极
sbit MOTOB = P1^1;       //定义B极
sbit MOTOC = P1^2;       //定义C极
sbit MOTOD = P1^3;       //定义D极
sbit key1  = P0^0;
sbit key2  = P0^1;
sbit key3  = P0^2;
sbit key4  = P0^3;
void keyscan();
#define SPEED 400
void delay(uint i)       //延时函数
{
      while(i--);
}
void main()
{
      P1=0X00;
      while(1)
      {
      keyscan();
      }
}
void keyscan()
{
      if(key1==0)
      {
            delay(10);
            if(key1==0)
            {
            while(1)
            {

            MOTOA = 0;
            MOTOB = 0;
            MOTOC = 0;
            MOTOD = 0;
            delay(SPEED);//延时

            MOTOA = 0;
            MOTOB = 0;
            MOTOC = 0;
            MOTOD = 0;
            delay(SPEED);

            MOTOA = 0;
            MOTOB = 0;
            MOTOC = 0;
            MOTOD = 0;
            delay(SPEED);

            MOTOA = 0;
            MOTOB = 0;
            MOTOC = 0;
            MOTOD = 0;
            delay(SPEED);
            if(key2==0||key3==0||key4==0)break;
            }
            }
      }
      if(key2==0)
      {
            delay(10);
            if(key2==0)
            {
            while(1)
            {
            MOTOA = 0;
            MOTOB = 1;
            MOTOC = 1;
            MOTOD = 1;
            delay(SPEED);//延时

            MOTOA = 1;
            MOTOB = 0;
            MOTOC = 1;
            MOTOD = 1;
            delay(SPEED);

            MOTOA = 1;
            MOTOB = 1;
            MOTOC = 0;
            MOTOD = 1;
            delay(SPEED);

            MOTOA = 1;
            MOTOB = 1;
            MOTOC = 1;
            MOTOD = 0;
            delay(SPEED);
            if(key1==0||key3==0||key4==0)break;
            }
            }
      }
      if(key3==0)
      {
            delay(10);
            if(key3==0)
            {
            while(1)
            {
            MOTOA = 1;
            MOTOB = 1;
            MOTOC = 1;
            MOTOD = 0;
            delay(SPEED);//延时

            MOTOA = 1;
            MOTOB = 1;
            MOTOC = 0;
            MOTOD = 1;
            delay(SPEED);

            MOTOA = 1;
            MOTOB = 0;
            MOTOC = 1;
            MOTOD = 1;
            delay(SPEED);

            MOTOA = 0;
            MOTOB = 1;
            MOTOC = 1;
            MOTOD = 1;
            delay(SPEED);
            if(key1==0||key2==0||key4==0)break;
            }
            }
      }
      if(key4==0)
      {
            delay(10);
            if(key4==0)
            {
            while(1)
            {
            MOTOA = 1;
            MOTOB = 1;
            MOTOC = 1;
            MOTOD = 1;
            delay(SPEED);//延时

            MOTOA = 1;
            MOTOB = 1;
            MOTOC = 1;
            MOTOD = 1;
            delay(SPEED);

            MOTOA = 1;
            MOTOB = 1;
            MOTOC = 1;
            MOTOD = 1;
            delay(SPEED);

            MOTOA = 1;
            MOTOB = 1;
            MOTOC = 1;
            MOTOD = 1;
            delay(SPEED);
            if(key1==0||key2==0||key3==0)break;
            }
            }
      }
}

ID:384109 · 发表于 2023-2-21 16:26

步进电机控制放到定时器里

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