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標(biāo)題: 單片機(jī)自動(dòng)澆花器程序和仿真圖 [打印本頁]

作者: 12345qwe1 時(shí)間: 2025-1-8 13:53
標(biāo)題: 單片機(jī)自動(dòng)澆花器程序和仿真圖

#include<reg51.h>
#define uchar unsigned char
#define uint unsigned int

sbit ad_cs=P1^3;       //ADC0832????
sbit ad_clk=P1^0;
sbit ad_dat=P1^1;

sbit lcd_rs=P2^7;       //LCD1602????
sbit lcd_e=P2^6;

sbit key1=P1^4;                //????
sbit key2=P3^2;
sbit key3=P3^3;

sbit relay=P1^6;    //???

bit flag=1;                   //??????
bit flag_motor=1;       //?????,???????
bit flag_jia=0;
bit flag_jian=0;

uchar Hum_H=60;                //?????,???????
uchar Hum_L=30;                //?????,???????

uchar num=0;

/********************????1ms*****************
void delay_ms(uint a)
{
      uint i;
      while(a--)
      for(i=0;i<125;i++);
}
*************************************/

/*******************????50us******************/
void delay_50us(uint a)
{
      uint i;
      while(a--)
      for(i=0;i<19;i++);
}
/*************************************/

/*******************ADC??******************/
uchar read_ad(uchar channel)
{
      uchar i;
      uchar dat1,dat2;
      ad_clk=0;
      ad_cs=0;
      ad_dat=1;
      ad_clk=1;
      ad_clk=0;  //????

      ad_dat=1;
      ad_clk=1;
      ad_clk=0;  //???????

      ad_dat=channel;//0????0,1????1
      ad_clk=1;
      ad_clk=0;

      ad_dat=1;

      for(i=0;i<8;++i)
      {
               ad_clk=1;
            ad_clk=0;
            dat1=dat1<<1;
            if(ad_dat)
            dat1|=0x01;

      }
      for(i=0;i<8;i++)
      {
               dat2=dat2>>1;
            if(ad_dat)
            dat2|=0x80;

            ad_clk=1;
            ad_clk=0;
      }
      ad_cs=1;
      return (dat1==dat2)?dat1:0;

}
/*************************************/

/*******************LCD1602???******************/
void write_com(uchar com)       //???
{
      lcd_e=0;
      lcd_rs=0;
      P0=com;
      delay_50us(10);
      lcd_e=1;
      delay_50us(10);
      lcd_e=0;
}

void write_data(uchar dat)  //???
{
      lcd_e=0;
      lcd_rs=1;
      P0=dat;
      delay_50us(10);
      lcd_e=1;
      delay_50us(10);
      lcd_e=0;
}

void init_lcd1602()                //lcd ???
{
      delay_50us(300);
      write_com(0x38);
      delay_50us(100);
      write_com(0x38);
      delay_50us(100);
      write_com(0x38);
      write_com(0x38);
      write_com(0x08);
      write_com(0x01);
      write_com(0x06);
      write_com(0x0c);
}

void display_shu(uchar add,uchar dat)       //????
{
      uchar l,m;

//       k=dat/100;
      l=dat%100/10;
      m=dat%10;

      write_com(0x80+add);
//       write_data(k+0x30);
      write_data(l+0x30);
      write_data(m+0x30);
}

void display_string(uchar add,uchar *dat)  //?????
{
      uchar i;
      write_com(0x80+add);
      while(dat!=0&&(*dat!='\0')&&i<16)
      {
               write_data(*dat);
            dat++;
            i++;
            if(i==15) i=0;
      }
}
/*****************************************/

/****************???*******************/
void main()
{
      EA=1;                                                       //????
      EX0=1;                                                       //?????0
      EX1=1;                                                       //?????1
      IT0=0;                                                       //????0????????
      IT1=0;                                                       //????1????????

      init_lcd1602();

      display_string(0,"Hum:  %");    //?????????
      display_string(11,"H:  %");    //??????????

      display_string(0x40,"Mode:");       //??????
      display_string(0x40+11,"L:  %");  //??????????

while(1)
      {
            uchar i;

            i=100-read_ad(0)*0.39;
            display_shu(4,i);
            display_shu(13,Hum_H);
            display_shu(0x40+13,Hum_L);
            if(key1==0)
                     {
                              delay_50us(100);
                              if(key1==0)
                              {
                                    while(!key1);
                                    num++;
                                    if(num>2) num=0;
                              }

                              switch (num)                                        //???????????????????
                        {
                              case 0:flag=~flag;
                                       flag_jia=0;
                                       flag_jian=0;
                                       //write_com(0x80+0x40);
                                    //write_com(0x0f);
                                       break;
                              case 1://write_com(0x80+9);
                                    //write_com(0x0f);
                                       //delay_50us(1000);
                                       //write_com(0x0c);
                                       flag_jia=1;
                                       flag_jian=0;
                                       break;
                              case 2://write_com(0x80+0x40+9);
                                    //write_com(0x0f);
                                       //delay_50us(1000);
                                       //write_com(0x0c);
                                       flag_jian=1;
                                       flag_jia=0;
                                       break;
                        }
                        if(flag==0&&num==1)
                        {
                                 flag=~flag;
                                 num=0;
                                 flag_jia=0;
                                 flag_jian=0;
                        }
                  }
            if(flag==0)                            //????
            {

                     display_string(0x40+5,"MT");
                     if(flag_motor) relay=1;
                     else if(i<Hum_H) relay=0;       //?????????
                     else relay=1;
            }
            else                                                       //????
            {
                     display_string(0x40+5,"AT");
                     if(i<(Hum_L+Hum_H)/2)                //???????????????????
                     {
                              relay=0;
                     }
                     else relay=1;
            }
   }
}
/********************************************/

/***********************????*********************/
void int0() interrupt 0
{
      delay_50us(20);
      if(key2==0)
      while(!key2);
      flag_motor=~flag_motor;
      if(flag&&flag_jia)
      {
                  //write_com(0x80+9);
            //write_com(0x0f);
               //delay_50us(1000);
            //write_com(0x0c);
               //delay_50us(1000);
               Hum_H++;
               if(Hum_H>=99) Hum_H=99;
      }
      if(flag&&flag_jian)
      {
                  //write_com(0x80+0x40+9);
               //write_com(0x0f);
               //delay_50us(1000);
               //write_com(0x0c);
               //delay_50us(1000);
               Hum_L++;
               if(Hum_L>=Hum_H) Hum_L=Hum_H-1;
      }
}

void int1() interrupt 2
{
      delay_50us(20);
      if(key3==0)
      while(!key3);
      if(flag&&flag_jian)
      {
                  //write_com(0x80+0x40+9);
               //write_com(0x0f);
               //delay_50us(1000);
               //write_com(0x0c);
               //delay_50us(1000);
               Hum_L--;
               if(Hum_L<=1) Hum_L=1;
      }
      if(flag&&flag_jia)
      {
            //write_com(0x80+9);
            //write_com(0x0f);
               //delay_50us(1000);
            //write_com(0x0c);
               //delay_50us(1000);
               Hum_H--;
               if(Hum_H<=Hum_L) Hum_H=Hum_L+1;
      }
}

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