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標題: 藍橋杯單片機開發(fā)第5屆省賽模擬智能灌溉系統(tǒng)及源代碼 [打印本頁]

作者: 我是怪人 時間: 2020-3-24 18:56
標題: 藍橋杯單片機開發(fā)第5屆省賽模擬智能灌溉系統(tǒng)及源代碼
#include <stc15f2k60s2.h>
#include <I2C.h>
#include <DS1302.h>

sbit S7 = P3^0;
sbit S6 = P3^1;
sbit S5 = P3^2;
sbit S4 = P3^3;

unsigned char code LedChar[] = {
  0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,
      0x90,0x88,0x83,0xC6,0xA1,0x86,0x8E,0xBF,0x7F
};
unsigned char LedBuff[8] = {
  0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF
};
unsigned char time[7];    //獲取時鐘芯片時間
unsigned char value_fz = 50; //濕度閾值
unsigned char value_shidu; //濕度
bit mode_auto = 1;  // 0 手動模式  1 自動模式
bit mode_buzz = 1;  // 0 蜂鳴器關閉  1 蜂鳴器打開
bit mode_sys = 0; // 0 關閉灌溉系統(tǒng)  1 打開灌溉系統(tǒng)
bit set_value = 0;  // 0 關閉濕度閾值設置 1 打開濕度閾值設置
bit flag500ms = 0;

void InitSystem();
void Timer0Init(void);             //1毫秒@12.000MHz
void ScanKeys();
void ConfigSMG();
void SysWorking();
void Delay1ms();             //@12.000MHz
extern void I2CWrite(unsigned char addr,unsigned char dat);
extern unsigned char I2CRead(unsigned char addr);
extern unsigned char ReadRb2();

void main()
{
  Timer0Init();
      InitSystem();
      InitDS1302();          //1302初始化
      value_fz=I2CRead(0x03);  //讀取濕度閾值
      while(1)
      {
            ConfigSMG();
      ScanKeys();
            SysWorking();
      }
}
/******HC573選擇函數(shù)*******/
void SeceltHC573(unsigned char channel)
{
  switch(channel)
      {
      case 4:P2 = (P2&0x1F)|0x80;break;
            case 5:P2 = (P2&0x1F)|0xA0;break;
            case 6:P2 = (P2&0x1F)|0xC0;break;
            case 7:P2 = (P2&0x1F)|0xE0;break;
            default:P2 = (P2&0x1F)|0x00;break;
      }
}
/*******關閉LED和蜂鳴器、繼電器******/
void InitSystem()
{
  SeceltHC573(5);
      P0 = 0x00;
      SeceltHC573(4);
      P0 = 0xFF;
      SeceltHC573(0);
}
/******數(shù)碼管顯示********/
void ConfigSMG()
{
      if(flag500ms)
            {
               value_shidu = ReadRb2(); //讀取濕度
            }
  if((mode_auto==1)&&(set_value==1))  //閾值設置界面
      {
      LedBuff[0] = LedChar[16];
            LedBuff[1] = LedChar[16];
            LedBuff[2] = 0xFF;
            LedBuff[3] = 0xFF;
            LedBuff[4] = 0xFF;
            LedBuff[5] = 0xFF;
            LedBuff[6] = LedChar[value_fz/10];
            LedBuff[7] = LedChar[value_fz%10];
      }
      else                            //時間及濕度顯示界面
      {
      DS1302SingRead(time);
            LedBuff[0] = LedChar[time[2]>>4];
            LedBuff[1] = LedChar[time[2]&0x0F];
            LedBuff[2] = LedChar[16];
            LedBuff[3] = LedChar[time[1]>>4];
            LedBuff[4] = LedChar[time[1]&0x0F];
            LedBuff[5] = 0xFF;
            LedBuff[6] = LedChar[value_shidu/10];
            LedBuff[7] = LedChar[value_shidu%10];
      }
}
/******按鍵相關函數(shù)*******/
void Delay1ms()             //@12.000MHz
{
      unsigned char i, j;

      i = 12;
      j = 169;
      do
      {
            while (--j);
      } while (--i);
}
void ScanKeys()
{
  if(S7==0)       //系統(tǒng)工作狀態(tài)切換按鍵
      {
            Delay1ms();
      if(S7==0)
            {
               mode_auto = ~mode_auto;
                     while(S7==0)
                     {
                        ConfigSMG();
                     }
            }
      }
      if(S6==0)
      {
            Delay1ms();
      if(S6==0)
            {
               if(mode_auto)  //自動模式
                     {
                        set_value = ~set_value;  //進入和退出濕度閾值調(diào)整界面
                     }
                     else          //手動模式
                     {
                        mode_buzz = ~mode_buzz;  //蜂鳴器打開和關閉
                     }
                     while(S6==0)
                     {
                        ConfigSMG();
                     }
            }
      }
      if(S5==0)
      {
            Delay1ms();
      if(S5==0)
            {
               if(mode_auto)  //自動模式
                     {
                        if(set_value)
                              {
                                    if(value_fz<99)  //濕度閾值加1
                                    {
                                             value_fz++;
                                    }
                                    else
                                             value_fz = 99;
                              }
                     }
                     else          //手動模式
                     {
                        mode_sys = 1;  //打開灌溉系統(tǒng)
                     }
                     while(S5==0)
                     {
                        ConfigSMG();
                     }
            }
      }
      if(S4==0)
      {
            Delay1ms();
      if(S4==0)
            {
               if(mode_auto)  //自動模式
                     {
                        if(set_value)
                              {
                                    if(value_fz>0)  //濕度閾值減1
                                    {
                                             value_fz--;
                                    }
                                    else
                                             value_fz = 0;
                              }
                     }
                     else          //手動模式
                     {
                        mode_sys = 0;  //關閉灌溉系統(tǒng)
                     }
                     while(S4==0)
                     {
                        ConfigSMG();
                     }
            }
      }
}
/*****系統(tǒng)工作狀態(tài)顯示******/
void SysWorking()
{

      if(mode_auto)       //自動模式
      {
            SeceltHC573(4); //點亮LED1
            P0 = 0xFE;
            SeceltHC573(0);
            if(value_shidu<value_fz) //灌溉設備自動打開
            {
                     EA = 0;
               SeceltHC573(5);
                     P0 = 0x10;
                     SeceltHC573(0);
                     EA = 1;
            }
            else                   //灌溉設備自動關閉
            {
               EA = 0;
               SeceltHC573(5);
                     P0 = 0x00;
                     SeceltHC573(0);
                     EA = 1;
            }
      }
      else                   //手動模式
      {
            SeceltHC573(4);       //點亮LED2
            P0 = 0xFD;
            SeceltHC573(0);
            if(mode_sys)          //灌溉設備打開
            {
                     EA = 0;
               SeceltHC573(5);
                     P0 = 0x10;
                     SeceltHC573(0);
                     EA = 1;
            }
            else                   //灌溉設備關閉
            {
               EA = 0;
               SeceltHC573(5);
                     P0 = 0x00;
                     SeceltHC573(0);
                     EA = 1;
            }
            if(mode_buzz)             //開啟蜂鳴器標志位
            {
                     if(value_shidu<value_fz)  //濕度小于閾值蜂鳴器打開
                     {
                              SeceltHC573(5);
                              P0 = 0x40;
                              SeceltHC573(0);
                     }
      }
      }
      if(set_value) //保存濕度閾值
      {
            I2CWrite(0x03,value_fz);
            Delay1ms();
      }
}
/******數(shù)碼管動態(tài)刷新*****/
void ScanSMG()
{
  static unsigned char i = 0;
      P0 = 0xFF;
      SeceltHC573(6);
      P0 = 0x01<<i;
      SeceltHC573(7);
      P0 = LedBuff[i++];
      if(i>=8)
            i = 0;
      SeceltHC573(0);
}
/******配置定時器0******/
void Timer0Init(void)             //1毫秒@12.000MHz
{
      AUXR &= 0x7F;             //定時器時鐘12T模式
      TMOD &= 0xF0;             //設置定時器模式
      TL0 = 0x18;             //設置定時初值
      TH0 = 0xFC;             //設置定時初值
      TF0 = 0;             //清除TF0標志
      TR0 = 1;             //定時器0開始計時
      ET0 = 1;
      EA = 1;
}
void InterruptTimer0()  interrupt 1
{
      static unsigned int cnt = 0;
  ScanSMG();
      cnt++;
      if(cnt>=500)
      {
      cnt = 0;
            flag500ms = ~flag500ms;
      }
}

省賽試題-第5屆-模擬智能灌溉系統(tǒng).pdf

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