51单片机正反转程序

ID:669441 · 发表于 2019-12-20 20:33

#include<reg52.h>

#define uint  unsigned int
#define uchar unsigned char
//------8拍-----
uchar code zz[]={0x01,0x03,0x02,0x06,0x04,0x0c,0x08,0x09};                      //正转
uchar code fz[]={0x09,0x08,0x0c,0x04,0x06,0x02,0x03,0x01};                      //反转

sbit K1=P3^0;       //停止
sbit K2=P3^1;       //正转
sbit K3=P3^2;       //反转
sbit K4=P3^3;       //加速
sbit K5=P3^4;       //减速

uchar state=0;       //状态变量

uint Time=60;       //延时时间，用于调速

unsigned char receiveData='0';

void UsartConfiguration();          //初始化串口

void delay(uint ms)                         //延时，用于调速
{
      uint t;
      while(ms--)
            for(t=0;t<120;t++);
}

void motor_zz()                //正传函数
{
      uint j;
      for(j=0;j<8;j++)
      {
            if(P3==0xfb)
                     break;
            P1=zz[j];
            delay(Time);
      }
}

void motor_fz()                //反转函数
{
      uint j;
      for(j=0;j<8;j++)
      {
            if(P3==0xfb)
                     break;
            P1=fz[j];
            delay(Time);
      }
}

void main()
{
      UsartConfiguration();
      while(1)
      {
            while(state==0)                      //状态0，停止
            {
                     if((K2==0)||(receiveData=='z'))          //按下K2或串口接收到'z'，电机正转
                     {
                              state=1;
                              receiveData='0';
                              break;
                     }
                     if((K3==0)||(receiveData=='f'))          //按下K3或串口接收到'f'，电机反转
                     {
                              state=2;
                              receiveData='0';
                              break;
                     }
                     P0=0xfb;
                     P1=0x03;
            }



            while(state==1)                      //状态1，正转
            {
                     if((K1==0)||(receiveData=='t'))          //按下K1或串口接收到'f'，电机反转
                     {
                              state=0;
                              receiveData='0';
                              break;
                     }
                     if((K2==0)||(receiveData=='z'))             //按下K2或串口接收到'z'，电机正转
                     {
                              state=1;
                              receiveData='0';
                              break;
                     }
                     if((K3==0)||(receiveData=='f'))             //按下K3或串口接收到'f'，电机反转
                     {
                              state=2;
                              receiveData='0';
                              break;
                     }
                     if((K4==0)||(receiveData=='+'))             //按下K4或串口接收到'+'，电机加速
                     {
                              Time=Time-5;
                              if(Time<20)
                              Time=20;
                              while(K4==0);
                     }
                     if((K5==0)||(receiveData=='-'))             //按下K5或串口接收到'-'，电机减速
                     {
                              Time=Time+5;
                              if(Time>100)
                              Time=100;
                              while(K5==0);
                     }
                     motor_zz();                //状态1，正转
            }

            while(state==2)                //状态2，反转
            {
                     if((K1==0)||(receiveData=='t'))                //按下K1或串口接收到'f'，电机反转
                     {
                              state=0;
                              receiveData='0';
                              break;
                     }
                     if((K2==0)||(receiveData=='z'))                //按下K2或串口接收到'z'，电机正转
                     {
                              state=1;
                              receiveData='0';
                              break;
                     }
                     if((K3==0)||(receiveData=='f'))                //按下K3或串口接收到'f'，电机反转
                     {
                              state=2;
                              receiveData='0';
                              break;
                     }
                     if((K4==0)||(receiveData=='+'))                //按下K4或串口接收到'+'，电机加速
                     {
                              Time=Time-5;
                              if(Time<20)
                              Time=20;
                              while(K4==0);
                     }
                     if((K5==0)||(receiveData=='-'))                //按下K5或串口接收到'-'，电机减速
                     {
                              Time=Time+5;
                              if(Time>100)
                              Time=100;
                              while(K5==0);
                     }
                     motor_fz();             //状态2，反转
            }

      }
}

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