基于AT89C51的智能热水器proteus仿真设计

最新推荐文章于 2023-10-10 09:31:10 发布

ᝰ正儿八经的不走心✓

最新推荐文章于 2023-10-10 09:31:10 发布

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文章标签： c语言单片机 proteus

本文链接：https://blog.youkuaiyun.com/Serendipity__vic/article/details/125107117

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本项目是基于51单片机的仿真实验系统开启后，可以选择直接开始工作或者预约时间开始工作温度上下限可通过按键设置调节当温度低于设置的温度下限时，电机启动加热，指示灯亮起当温度处于设定的温度上下限时，绿灯亮起当温度高于设定的温度上限时，蓝色指示灯亮起通过压力传感器检测水压，以实现自动加水功能当水压小于设定值100的时候，即系统检测到缺水的时候，指示灯亮起，自动加水，水压达到设定值的时候，系统自动停止续水

部分代码：

   /***********************************lcd显示**************************/
void LcdDisplay(int temp)            //LCD显示
{

   unsigned char a,b,c,d,e,f,g,h;
   float t;
   if(temp< 0)                   //温度为负
   {
       LcdWriteCom(0xd5);
   LcdWriteData('-');
       temp=~temp;
       temp=temp+1;
       t=temp*0.0625;
       temp=t*100+0.5;
   }
    else               //温度为正
   {
           LcdWriteCom(0xd5);
   LcdWriteData('+');
       t=temp*0.0625;
       temp=t*100;   }
       if(t<=lowr)
       {flag=1;} //flag作为标志位，由温度控制
           if((t<high)&&(t>lowr))
           {flag=2;}
           if(t>=high)
           {flag=3;}
           if(Out<100)
           {flag_add=1;}

   f=Out/100;
   g=Out%100/10;
   h=Out%100%10;

   e=temp % 100000/10000;
   a=temp % 10000/1000;        //十位
   b=temp % 1000/100;
   c=temp % 100/10;
   d=temp % 10;
   high_L=high%10;
       high_H=(high%100)/10;
       high_Z=high/100;
lowr_L=lowr%10;
       lowr_H=lowr/10;
       miao_L = miao%10;
       miao_H = miao/10;

fen_L = fen%10;
fen_H = fen/10;

       shi_L = shi%10;
       shi_H = shi/10;
LcdWriteCom(0xd6);
   LcdWriteData('0'+e);
   SBUF='0'+e;
   TI=0;
   LcdWriteCom(0xd7);
   LcdWriteData('0'+a); //十位
   SBUF='0'+a; //将接收的数据发送到寄存器
   while (!TI);           //等待数据完成
   TI=0;

   LcdWriteCom(0xd8);
   LcdWriteData('0'+b); //个位
   SBUF='0'+b;
   TI=0;

   LcdWriteCom(0xda);
   LcdWriteData('0'+c);
   SBUF='0'+c;
   TI=0;

   LcdWriteCom(0xdb);
   LcdWriteData('0'+d);
   SBUF='0'+d;
   TI=0;
   LcdWriteCom(0x8b);
   LcdWriteData('0'+f);
   SBUF='0'+f;
   TI=0;
   LcdWriteCom(0xc);
   LcdWriteData('0'+g);
   SBUF='0'+g;
   TI=0;
   LcdWriteCom(0x8d);
   LcdWriteData('0'+h);
   SBUF='0'+h;
   TI=0;

       LcdWriteCom(0x94);
   LcdWriteData('0'+high_Z);
   SBUF='0'+high_Z;
   TI=0;
       LcdWriteCom(0x95);
   LcdWriteData('0'+high_H);
   SBUF='0'+high_H;
   TI=0;
           LcdWriteCom(0x96);
   LcdWriteData('0'+high_L);
   SBUF='0'+high_L;
   TI=0;
       LcdWriteCom(0x9e);
   LcdWriteData('0'+lowr_H);
   SBUF='0'+lowr_H;
   TI=0;
   LcdWriteCom(0x9f);
   LcdWriteData('0'+lowr_L);
   SBUF='0'+lowr_L;
   TI=0;


   LcdWriteCom(0xcb);
   LcdWriteData('0'+fen_H);
   SBUF='0'+fen_H;
   TI=0;
   LcdWriteCom(0xcc);
   LcdWriteData('0'+fen_L);
   SBUF='0'+fen_L;
   TI=0;
       LcdWriteCom(0xce);
   LcdWriteData('0'+miao_H);
   SBUF='0'+miao_H;
   TI=0;
   LcdWriteCom(0xcf);
   LcdWriteData('0'+miao_L);
   SBUF='0'+miao_L;
   TI=0;

}

void zf()             //字符显示
{ uchar code table1[]="20wlw2JXJ";
   uchar code table2[]="StartTime:" ;
   uchar code table3[]="Hig:" ;
   uchar code table4[]="Low:" ;
   uchar code table5[]="Temp:" ;
   LcdWriteCom(0x80);
for(r=0;r<10;r++)
   {
   LcdWriteData(table1[r]);
       DelayMs(1);
   }

   //第二行
   LcdWriteCom(0xc0);
for(r=0;r<16;r++)
   {
   LcdWriteData(table2[r]);
       DelayMs(1);
   }

       LcdWriteCom(0xcd);
   LcdWriteData(':');
   //第三行
   LcdWriteCom(0x90);
for(r=0;r<5;r++)
   {
   LcdWriteData(table3[r]);
       DelayMs(1);
   }

   LcdWriteCom(0x9a);
for(r=0;r<16;r++)
   {
   LcdWriteData(table4[r]);
       DelayMs(1);
   }
//第四行
       LcdWriteCom(0xd0);
for(r=0;r<5;r++)
   {
   LcdWriteData(table5[r]);
       DelayMs(1);
   }

   LcdWriteCom(0xd9);
   LcdWriteData('.');
   LcdWriteCom(0xdc);
   LcdWriteData(0xdf);
   LcdWriteCom(0xdd);
   LcdWriteData('C');
}

void DelayMs(uchar n) //1毫秒
{uchar j;
   while(n--)
   {
       for(j=0;j<113;j++);
   }}

void LcdWriteCom(uchar com)   //LCD写入命令,进行LCD的位置选择
{
   LCD1602_E=0;
   LCD1602_RS=0;              //选择发送命令
   LCD1602_RW=0;              //选择写入
   P0=com;         //将数据写到P0端口
   DelayMs(1);               //等待
   LCD1602_E=1;      //完成写入
   DelayMs(1);
   LCD1602_E=0;
}

void LcdWriteData(uchar dat)           //LCD写入数据
{
   LCD1602_E=0;
   LCD1602_RS=1;           //选择写入数据
   LCD1602_RW=0;           //选择写入
   P0=dat;
   DelayMs(1);
   LCD1602_E=1;
   DelayMs(1);         //等待写入完成
   LCD1602_E=0;
}

void LcdInit()               //LCD的初始化
{
    LcdWriteCom(0x38);         //开显示
   LcdWriteCom(0x0c);         //不显示光标
   LcdWriteCom(0x06);
   LcdWriteCom(0x01);         //清屏
   LcdWriteCom(0x80);         //指针起点位置
}

void Delay1ms(unsigned int y) //延时
{
   unsigned int x;
   for(y;y>0;y--)
       for(x=110;x>0;x--);
}

/*************************************温度传感器**************************/
unsigned char Ds18b20Init() //DS18B20初始化
{
   unsigned int i;
   DQ=0;                      //将总线拉低480~960us
   i=70;
   while(i--);
   DQ=1;
   i=0;
   while(DQ)           //等待DS18B20拉拉低总线
   {
       i++;
       if(i>5000)    //等待>5MS
           return 0; //初始化失败
   }
   return 1;         //成功
}

void Ds18b20WriteByte(unsigned char dat) //写入一个字节
{
   unsigned int i,j;
   for(j=0;j<8;j++)
   {
       DQ=0;       //根据时序
       i++;                     //1us
   DQ=dat&0x01; //最低为开始
       i=6;
       while(i--); //释放总线最少60us
       DQ=1;
       dat>>=1;
   }
}

unsigned char Ds18b20ReadByte() //都一个字节
{
   unsigned char byte,bi;
   unsigned int i,j;
   for(j=8;j>0;j--)
   {DQ=0;
       i++;
       DQ=1;
       i++; i++;
       bi=DQ;
       byte=(byte>>1)|(bi<<7);
       i=4;
       while(i--);
   }
   return byte;
}

int Ds18b20ReadTemp() //温度读取
{
   int temp=0;
   unsigned char hig,low;
   Ds18b20Init();
   Delay1ms(1);
   Ds18b20WriteByte(0xcc);
   Ds18b20WriteByte(0x44);   //温度转换命令

   Ds18b20Init();
   Delay1ms(1);
   Ds18b20WriteByte(0xcc);
   Ds18b20WriteByte(0xbe);   //发送读取温度命令

   low=Ds18b20ReadByte();       //低8位
   hig=Ds18b20ReadByte();       //高8位
   temp=hig;
   temp<<=8;
   temp|=low; //合并
   return temp;
}