单片机模拟电梯运行的源程序带详细注释 -

标题: 单片机模拟电梯运行的源程序带详细注释 [打印本页]

作者: 苦修 时间: 2023-1-4 11:19
标题: 单片机模拟电梯运行的源程序带详细注释
#include <reg51.h>                //调用单片机头文件
#define uchar unsigned char  //无符号字符型宏定义       变量范围0~255
#define uint  unsigned int       //无符号整型宏定义       变量范围0~65535

//数码管段选定义 0    1 2 3          4          5       6       7       8          9
uchar code smg_du[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,
//                                        A       B       C       D          E F       不显示
                                       0x88,0x83,0xc6,0xa1,0x86,0x8e,0xff};       //断码

uchar dis_smg[8] = {0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8};

bit flag_100ms,flag_1s;
bit flag_stop = 1; //用做到了相应的楼停下

sbit beep  = P3^7;
sbit xia = P3^6;
sbit zhong = P3^5;
sbit shang = P3^4;

uchar value2;

sbit led1 = P0^0;       //8个发光二极管定义
sbit led2 = P0^1;
sbit led3 = P0^2;
sbit led4 = P0^3;
sbit led5 = P0^4;
sbit led6 = P0^5;
sbit led7 = P0^6;
sbit led8 = P0^7;

uchar dt_1;  //1楼电梯标志位
uchar dt_2;  //2楼电梯标志位
uchar dt_3;  //3楼电梯标志位
uchar dt_4;  //4楼电梯标志位
uchar dt_5;  //5楼电梯标志位
uchar dt_6;  //6楼电梯标志位
uchar dt_7;  //7楼电梯标志位
uchar dt_8;  //8楼电梯标志位

uchar dt_value = 1;  //电梯到哪一层的变量
uchar dt_s_x ; //电梯上下的标志位

/****************独立按键处理函数************************/

#define key_io P2
uchar key_can;

void key()
{
      static uchar key_new = 0,key_old = 0,key_value = 0;
      key_io = 0xff;
      if(key_new == 0)                //按键松开
      {
            if((key_io & 0xff) == 0xff)
                     key_value ++;
            else
                     key_value = 0;
            if(key_value >= 5)       //按键松开松手检测
            {
                     key_value = 0;
                     key_new = 1;       //按键松开后进入等待按键状态
            }
      }
      else
      {
            if((key_io & 0xff) != 0xff)       //按键按下
                     key_value ++;
            else
                     key_value =0;
            if(key_value >= 5)       //按键按下消抖
            {
                     key_value = 0;
                     key_new = 0;          //按键松开后进入等待松开按键状态
            }
      }
      key_can = 20;
      if((key_new == 0) && (key_old == 1))
      {
            switch(key_io)
            {
                     case 0xfe: key_can = 1; break;       //得到按键值
                     case 0xfd: key_can = 2; break;       //得到按键值
                     case 0xfb: key_can = 3; break;       //得到按键值
                     case 0xf7: key_can = 4; break;       //得到按键值
                     case 0xef: key_can = 5; break;       //得到按键值
                     case 0xdf: key_can = 6; break;       //得到按键值
                     case 0xbf: key_can = 7; break;       //得到按键值
                     case 0x7f: key_can = 8; break;       //得到按键值
            }
//             dis_smg[0] = smg_du[key_can];
      }
      key_old = key_new;
}

void key_with()
{
      if(key_can == 1)
      {
            led1 = 0;       //点亮发光二极管
            dt_1 = 1;       //
      }
      if(key_can == 2)
      {
            led2 = 0;       //点亮发光二极管
            dt_2 = 1;
      }
      if(key_can == 3)
      {
            led3 = 0;       //点亮发光二极管
            dt_3 = 1;
      }
      if(key_can == 4)
      {
            led4 = 0;       //点亮发光二极管
            dt_4 = 1;
      }
      if(key_can == 5)
      {
            led5 = 0;       //点亮发光二极管
            dt_5 = 1;
      }
      if(key_can == 6)
      {
            led6 = 0;       //点亮发光二极管
            dt_6 = 1;
      }
      if(key_can == 7)
      {
            led7 = 0;
            dt_7 = 1;
      }
      if(key_can == 8)
      {
            led8 = 0;
            dt_8 = 1;
      }
}
/*********************当电梯不动时、判断是向上、还是向下**********************/
void tiandi_shang_xia()
{
      static uchar value;
      if(dt_s_x == 0)
      {
            flag_stop = 1;
            if(dt_value == 1)       //电梯在第1层停下不走了
            {
                     value = dt_2 + dt_3 + dt_4 + dt_5 + dt_6 + dt_7 + dt_8;
                     if(value != 0)
                     {
                              dt_s_x = 1; //电梯向上
                              shang = 0;       //显示上
                              zhong = 0;
                              xia = 1;
                     }
            }
            if(dt_value == 2)       //电梯在第2层停下不走了
            {
                     value = dt_3 + dt_4 + dt_5 + dt_6 + dt_7 + dt_8;
                     if(value != 0)
                     {
                              dt_s_x = 1; //电梯向上走
                              shang = 0;       //显示上
                              zhong = 0;
                              xia = 1;
                     }
                     value = dt_1;
                     if(value != 0)
                     {
                              dt_s_x = 2; //电梯向下走
                              xia = 0;       //显示下
                              zhong = 0;
                              shang = 1;
                     }
            }
            if(dt_value == 3)       //电梯在第3层停下不走了
            {
                     value = dt_4 + dt_5 + dt_6 + dt_7 + dt_8;
                     if(value != 0)
                     {
                              dt_s_x = 1; //电梯向上走
                              shang = 0;       //显示上
                              zhong = 0;
                              xia = 1;
                     }
                     value = dt_1 + dt_2;
                     if(value != 0)
                     {
                              dt_s_x = 2; //电梯向下走
                              xia = 0;       //显示下
                              zhong = 0;
                              shang = 1;

                     }
            }
            if(dt_value == 4)       //电梯在第4层停下不走了
            {
                     value = + dt_5 + dt_6 + dt_7 + dt_8;
                     if(value != 0)
                     {
                              dt_s_x = 1; //电梯向上走
                              shang = 0;       //显示上
                              zhong = 0;
                              xia = 1;
                     }
                     value = dt_1 + dt_2 + dt_3;
                     if(value != 0)
                     {
                              dt_s_x = 2; //电梯向下走
                              xia = 0;       //显示下
                              zhong = 0;
                              shang = 1;
                     }
            }
            if(dt_value == 5)       //电梯在第5层停下不走了
            {
                     value = dt_6 + dt_7 + dt_8;
                     if(value != 0)
                     {
                              dt_s_x = 1; //电梯向上走
                              shang = 0;       //显示上
                              zhong = 0;
                              xia = 1;
                     }
                     value = dt_1 + dt_2 + dt_3 + dt_4;
                     if(value != 0)
                     {
                              dt_s_x = 2; //电梯向下走
                              xia = 0;       //显示下
                              zhong = 0;
                              shang = 1;
                     }
            }
            if(dt_value == 6)       //电梯在第5层停下不走了
            {
                     value =  dt_7 + dt_8;
                     if(value != 0)
                     {
                              dt_s_x = 1; //电梯向上走
                              shang = 0;       //显示上
                              zhong = 0;
                              xia = 1;
                     }
                     value = dt_1 + dt_2 + dt_3 + dt_4 + dt_5;
                     if(value != 0)
                     {
                              dt_s_x = 2; //电梯向下走
                              xia = 0;       //显示下
                              zhong = 0;
                              shang = 1;
                     }
            }
            if(dt_value == 7)       //电梯在第5层停下不走了
            {
                     value = dt_8;
                     if(value != 0)
                     {
                              dt_s_x = 1; //电梯向上走
                              shang = 0;       //显示上
                              zhong = 0;
                              xia = 1;
                     }
                     value = dt_1 + dt_2 + dt_3 + dt_4 + dt_5 + dt_6;
                     if(value != 0)
                     {
                              dt_s_x = 2; //电梯向下走
                              xia = 0;       //显示下
                              zhong = 0;
                              shang = 1;
                     }
            }
            if(dt_value == 8)       //电梯在第5层停下不走了
            {
                     value = dt_8;
                     if(value != 0)
                     {
                              dt_s_x = 1; //电梯向上走
                              shang = 0;       //显示上
                              zhong = 0;
                              xia = 1;
                     }
                     value = dt_1 + dt_2 + dt_3 + dt_4 + dt_5 + dt_6;
                     if(value != 0)
                     {
                              dt_s_x = 2; //电梯向下走
                              xia = 0;       //显示下
                              zhong = 0;
                              shang = 1;
                     }
            }
      }
}

/****************电梯向上、做最后的判断是否还要继续向上****************/
void dt_shang_guan()
{
      uchar value;
      if(dt_s_x == 1) //电梯向上  做最后的判断是否还要继续向上
      {
            if(dt_value == 1)       //在第1层
            {
                     value = dt_2 + dt_3 + dt_4 + dt_5 + dt_6 + dt_7 + dt_8;
                     if(value == 0)       //说明上面没有人按下
                     {
                              dt_s_x = 0;  //电梯停下不动了
                              shang = 1;             //关闭上字
                              zhong = 1;
                     }else
                              flag_stop = 1;
            }
            else if(dt_value == 2)       //在第2层
            {
                     value = dt_3 + dt_4 + dt_5 + dt_6 + dt_7 + dt_8;
                     if(value == 0)       //说明上面没有人按下
                     {
                              dt_s_x = 0;  //电梯停下不动了
                              shang = 1;             //关闭上字
                              zhong = 1;
                     }else
                              flag_stop = 1;
            }
            else if(dt_value == 3)       //在第3层
            {
                     value = dt_4 + dt_5 + dt_6 + dt_7 + dt_8;
                     if(value == 0)       //说明上面没有人按下
                     {
                              dt_s_x = 0;  //电梯停下不动了
                              shang = 1;             //关闭上字
                              zhong = 1;
                     }else
                              flag_stop = 1;
            }
            else if(dt_value == 4)       //在第4层
            {
                     value = dt_5 + dt_6 + dt_7 + dt_8;
                     if(value == 0)       //说明上面没有人按下
                     {
                              dt_s_x = 0;  //电梯停下不动了
                              shang = 1;             //关闭上字
                              zhong = 1;
                     }else
                              flag_stop = 1;
            }
            else if(dt_value == 5)       //在第5层
            {
                     value = dt_6 + dt_7 + dt_8;
                     if(value == 0)       //说明上面没有人按下
                     {
                              dt_s_x = 0;  //电梯停下不动了
                              shang = 1;             //关闭上字
                              zhong = 1;
                     }else
                              flag_stop = 1;
            }
            else if(dt_value == 6)       //在第6层
            {
                     value = dt_7 + dt_8;
                     if(value == 0)       //说明上面没有人按下
         {
                              dt_s_x = 0;  //电梯停下不动了
                              shang = 1;             //关闭上字
                              zhong = 1;
                     }else
                              flag_stop = 1;
            }
            else if(dt_value == 7)       //在第7层
            {
                     value = dt_8;
                     if(value == 0)       //说明上面没有人按下
                     {
                              dt_s_x = 0;  //电梯停下不动了
                              shang = 1;             //关闭上字
                              zhong = 1;
                     }else
                              flag_stop = 1;
            }
            else if(dt_value == 8)       //在第8层
            {
                     dt_s_x = 0;  //电梯停下不动了
                     shang = 1;             //关闭上字
                     zhong = 1;
            }
      }
}

/****************电梯向下、做最后的判断是否还要继续向下****************/
void dt_xia_guan()
{
      uchar value;
      if(dt_s_x == 2) //电梯向下  做最后的判断是否还要继续向下
      {
            if(dt_value == 1)       //在第1层
            {
                     dt_s_x = 0;  //电梯停下不动了
                     xia = 1;             //关闭上字
                     zhong = 1;
                     flag_stop = 1;
            }
            else if(dt_value == 2)       //在第2层
            {
                     value = dt_1;
                     if(value == 0)       //说明上面没有人按下
                     {
                              dt_s_x = 0;  //电梯停下不动了
                              xia = 1;             //关闭上字
                              zhong = 1;
                     }else
                              flag_stop = 1;
            }
            else if(dt_value == 3)       //在第3层
            {
                     value = dt_1 + dt_2;
                     if(value == 0)       //说明上面没有人按下
                     {
                              dt_s_x = 0;  //电梯停下不动了
                              xia = 1;             //关闭上字
                              zhong = 1;
                     }else
                              flag_stop = 1;
            }
            else if(dt_value == 4)       //在第4层
            {
                     value = dt_1 + dt_2 + dt_3;
                     if(value == 0)       //说明上面没有人按下
                     {
                              dt_s_x = 0;  //电梯停下不动了
                              xia = 1;             //关闭上字
                              zhong = 1;
                     }else
                              flag_stop = 1;
            }
            else if(dt_value == 5)       //在第5层
            {
                     value = dt_1 + dt_2 + dt_3 + dt_4;
                     if(value == 0)       //说明上面没有人按下
                     {
                              dt_s_x = 0;  //电梯停下不动了
                              xia = 1;             //关闭上字
                              zhong = 1;
                     }else
                              flag_stop = 1;
            }
            else if(dt_value == 6)       //在第6层
            {
                     value = dt_1 + dt_2 + dt_3 + dt_4 + dt_5;
                     if(value == 0)       //说明上面没有人按下
         {
                              dt_s_x = 0;  //电梯停下不动了
                              xia = 1;             //关闭上字
                              zhong = 1;
                     }else
                              flag_stop = 1;
            }
            else if(dt_value == 7)       //在第7层
            {
                     value = dt_1 + dt_2 + dt_3 + dt_4 + dt_5+ dt_6;
                     if(value == 0)       //说明上面没有人按下
                     {
                              dt_s_x = 0;  //电梯停下不动了
                              xia = 1;             //关闭上字
                              zhong = 1;
                     }else
                              flag_stop = 1;
            }
            else if(dt_value == 8)       //在第8层
            {
                     value = dt_1 + dt_2 + dt_3 + dt_4 + dt_5 + dt_6 + dt_7;
                     if(value == 0)       //说明上面没有人按下
                     {
                              dt_s_x = 0;  //电梯停下不动了
                              xia = 1;             //关闭上字
                              zhong = 1;
                     }else
                              flag_stop = 1;


            }
      }
}

/***********************电梯处理函数************************/
void td_dis()
{
      uchar value,value1;
      value = dt_1 + dt_2 + dt_3 + dt_4 + dt_5 + dt_6 + dt_7 + dt_8;
      if(value != 0)
      {                //100ms
            if(flag_stop == 1)       //到相应的楼了  要停下
            {
/***************************向上走电梯***********************************/
                     if(dt_s_x != 0)                //向上走电梯
                     {
                              value1 ++;
                              if(value1 >= 10)  //1s
                              {
                                    value1 = 0;
                                    if(dt_s_x == 1)                //向上走电梯
                                    {
                                             dt_value ++;
                                             shang = 0;             //显示上字
                                             zhong = 0;
                                    }
                                    if(dt_s_x == 2)                //向下走电梯
                                    {
                                             dt_value --;
                                             xia = 0;             //显示下字
                                             zhong = 0;
                                    }
                                    if(dt_value == 1)          //当到了第一层的时候
                                    {
                                             if(dt_1 == 1)
                                             {
                                                      led1 = 1;                //关闭第一层发光二极管
                                                      dt_1 = 0;       //清零电机在的标志
                                                      flag_stop = 0; //到停下
                                                      beep = 0;       //打开蜂鸣器
                                             }
                                    }
                                    else if(dt_value == 2)          //当到了第二层的时候
                                    {
                                             if(dt_2 == 1)
                                             {
                                                      led2 = 1;                //关闭第二层发光二极管
                                                      dt_2 = 0;       //清零电机在的标志
                                                      flag_stop = 0; //到停下
                                                      beep = 0;       //打开蜂鸣器
                                             }
                                    }
                                    else if(dt_value == 3)          //当到了第3层的时候
                                    {
                                             if(dt_3 == 1)
                                             {
                                                      led3 = 1;                //关闭第3层发光二极管
                                                      dt_3 = 0;       //清零电机在的标志
                                                      flag_stop = 0; //到停下
                                                      beep = 0;       //打开蜂鸣器
                                             }
                                    }
                                    else if(dt_value == 4)          //当到了第4层的时候
                                    {
                                             if(dt_4 == 1)
                                             {
                                                      led4 = 1;                //关闭第4层发光二极管
                                                      dt_4 = 0;       //清零电机在的标志
                                                      flag_stop = 0; //到停下
                                                      beep = 0;       //打开蜂鸣器
                                             }
                                    }
                                    else if(dt_value == 5)          //当到了第5层的时候
                                    {
                                             if(dt_5 == 1)
                                             {
                                                      led5 = 1;                //关闭第5层发光二极管
                                                      dt_5 = 0;       //清零电机在的标志
                                                      flag_stop = 0; //到停下
                                                      beep = 0;       //打开蜂鸣器
                                             }
                                    }
                                    else if(dt_value == 6)          //当到了第6层的时候
                                    {
                                             if(dt_6 == 1)
                                             {
                                                      led6 = 1;                //关闭第6层发光二极管
                                                      dt_6 = 0;       //清零电机在的标志
                                                      flag_stop = 0; //到停下
                                                      beep = 0;       //打开蜂鸣器
                                             }
                                    }
                                    else if(dt_value == 7)          //当到了第7层的时候
                                    {
                                             if(dt_7 == 1)
                                             {
                                                      led7 = 1;                //关闭第7层发光二极管
                                                      dt_7 = 0;       //清零电机在的标志
                                                      flag_stop = 0; //到停下
                                                      beep = 0;       //打开蜂鸣器
                                             }
                                    }
                                    else if(dt_value == 8)          //当到了第8层的时候
                                    {
                                             if(dt_8 == 1)
                                             {
                                                      led8 = 1;                //关闭第8层发光二极管
                                                      dt_8 = 0;       //清零电机在的标志
                                                      flag_stop = 0; //到停下
                                                      beep = 0;       //打开蜂鸣器
                                             }
                                    }
                              }
                     }
            }
      }
      if(flag_stop == 0)
      {
//                      flag_stop = 1;
//                      value1 = 0;
            value2 ++;
            if(value2 % 3 == 0)
            {
                     if(dt_s_x == 1)          //上
                     {
                              shang = ~shang;
                              zhong = ~zhong;
                     }
                     if(dt_s_x == 2)          //下
                     {
                              zhong = ~zhong;
                              xia = ~xia;
                     }
            }
            if(value2 >= 10) //1.0s
            {
                     beep = 1;  //关闭蜂鸣器
            }
            if(value2 >= 20)
            {
                     value2 = 0;
                     dt_shang_guan();  //电梯向上  做最后的判断是否还要继续向上
                     dt_xia_guan();       //电梯向下  做最后的判断是否还要继续向下

            }
      }
}

/*************定时器0初始化程序***************/
void time_init()
{
      EA = 1;                //开总中断
      TMOD = 0X01;       //定时器0、工作方式1
      ET0  = 1;                //开定时器0中断
      TR0  = 1;                //允许定时器0定时
}

/******************主程序**********************/
void main()
{
      dis_smg[0] = smg_du[1];
      time_init();
      while(1)
      {
            key();                //按键程序
            if(key_can < 20)
            {
                     if(dt_s_x == 0)
                     {
                              value2 = 0;
                              flag_stop = 1;
                     }
                     key_with();
            }
            tiandi_shang_xia();       //当电梯不动时、判断是向上、还是向下
            dis_smg[0] = smg_du[dt_value];       //显示
            P1 = ~dis_smg[0];
            if(flag_100ms  == 1)
            {
                     flag_100ms = 0;
                     td_dis();                //电梯处理函数
            }
      }
}

/*************定时器0中断服务程序***************/
void time0_int() interrupt 1
{
      static uchar value;
      TH0 = 0x3c;
      TL0 = 0xb0;    // 50ms
      value ++;
      if(value % 4 == 0)
      {
            flag_100ms = 1 ;
      }
}

屏幕截图 2023-01-04 111759.png (119.07 KB, 下载次数: 83)

原理图

模拟电梯keil程序.7z

21.34 KB, 下载次数: 16, 下载积分: 黑币 -5

keil程序

电梯文档.doc

280.65 KB, 下载次数: 12, 下载积分: 黑币 -5

作者: peng123789 时间: 2025-5-10 14:43
可以再发一份吗

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