蓝桥杯单片机开发第3届温度监控器及源代码 -

标题: 蓝桥杯单片机开发第3届温度监控器及源代码 [打印本页]

作者: 我是怪人 时间: 2020-3-24 19:01
标题: 蓝桥杯单片机开发第3届温度监控器及源代码
#include <stc15f2k60s2.h>

sbit S7 = P3^0;
sbit S6 = P3^1;
sbit S5 = P3^2;
sbit S4 = P3^3;
sbit dianji = P3^4;

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 temp_min = 23;  //温度下限
unsigned char temp_max = 30;  //温度上限
unsigned char get_temp = 0; //获取电机温度

void InitSystem();
void ScanSMG();
void Timer0Init(void);             //10微秒@12.000MHz
void Timer1Init(void);             //1毫秒@12.000MHz
void ConfigWorking();
void ConfigSMG();
void ScanKeys();
extern void I2CWrite(unsigned char addr,unsigned char dat); //I2C写操作
extern unsigned char I2CRead(unsigned char addr);       //I2C读操作
extern bit Init18B20();    //18B20初始化
extern unsigned char Get18B20Temp();  //获取18B20温度

void main()
{
  Timer0Init();
      Timer1Init();
      InitSystem();
      temp_min = I2CRead(0x01);  //读取温度下限
      temp_max = I2CRead(0x00);  //读取温度上限
      while(1)
      {
      ConfigWorking();
            ConfigSMG();
            ScanKeys();
      }
}
/******HC573选择函数*******/
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;
      }
}
/*******关闭LED和蜂鸣器、继电器******/
void InitSystem()
{
  SeceltHC573(5);
      P0 = 0x00;
      SeceltHC573(4);
      P0 = 0xFF;
      SeceltHC573(0);
}
/******工作模式配置*******/
void ConfigWorking()
{
  Init18B20();
      get_temp = Get18B20Temp();
      if(get_temp<temp_min)
      {
      EA = 0;       //存储的温度下限数据，继电器打开
            SeceltHC573(5);
            P0 = 0x10;
            SeceltHC573(0);
            EA = 1;
      }
      else
      {
      EA = 0;       //存储的温度下限数据，继电器打开
            SeceltHC573(5);
            P0 = 0x00;
            SeceltHC573(0);
            EA = 1;
      }

}
/******数码管的动态显示******/
void ConfigSMG()
{
  LedBuff[0] = LedChar[temp_max/10];
      LedBuff[1] = LedChar[temp_max%10];
      LedBuff[2] = LedChar[temp_min/10];
      LedBuff[3] = LedChar[temp_min%10];
      LedBuff[4] = 0xFF;
      LedBuff[5] = 0xFF;
      LedBuff[6] = LedChar[get_temp/10];
      LedBuff[7] = LedChar[get_temp%10];
}
/******按键处理相关函数******/
void Delay1ms()             //@12.000MHz
{
      unsigned char i, j;

      i = 12;
      j = 169;
      do
      {
            while (--j);
      } while (--i);
}
void ScanKeys()
{
      if(S7==0)       //温度下限减一
      {
      Delay1ms();
            if(S7==0)
            {
                     if(temp_min>0)
                              temp_min--;
                     else
                              temp_min = 0;
                     I2CWrite(0x01,temp_min); //存储温度下限
                     Delay1ms();
               while(S7==0)
                     {
                        ConfigSMG();
                     }
            }
      }
  if(S6==0)       //温度上限减一
      {
      Delay1ms();
            if(S6==0)
            {
                     if((temp_max>temp_min)&&(temp_max>0))
                     {
                        temp_max--;
                     }
                     else
                     {
                        temp_max = temp_min;
                     }
                     I2CWrite(0x00,temp_max); //存储温度上限
                     Delay1ms();
               while(S6==0)
                     {
                        ConfigSMG();
                     }
            }
      }
      if(S5==0)       //温度下限加一
      {
      Delay1ms();
            if(S5==0)
            {
                     if((temp_min<temp_max)&&(temp_min<99))
                     {
                        temp_min++;
                     }
                     else
                     {
                        temp_min = temp_max;
                     }
                     I2CWrite(0x01,temp_min); //存储温度下限
                     Delay1ms();
               while(S5==0)
                     {
                        ConfigSMG();
                     }
            }
      }
      if(S4==0)       //温度上限加一
      {
      Delay1ms();
            if(S4==0)
            {
                     temp_max++;
                     if(temp_max>=99)
                              temp_max = 99;
                     I2CWrite(0x00,temp_max); //存储温度上限
                     Delay1ms();
               while(S4==0)
                     {
                        ConfigSMG();
                     }
            }
      }
}
/******数码管动态刷新*****/
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);
}
/******定时器0初始化函数******/
void Timer0Init(void)             //10微秒@12.000MHz
{
      AUXR &= 0x7F;             //定时器时钟12T模式
      TMOD &= 0xF0;             //设置定时器模式
      TL0 = 0xF6;             //设置定时初值
      TH0 = 0xFF;             //设置定时初值
      TF0 = 0;             //清除TF0标志
      TR0 = 1;             //定时器0开始计时
      ET0 = 1;
      EA = 1;
}
void InterruptTimer0()  interrupt 1
{
  static unsigned char pwn= 0;
      pwn++;
      if(pwn<=30)
      {
      dianji = 0;
      }
      else if(pwn>100)
      {
      dianji = 0;
            pwn = 0;
      }
      else
      {
      dianji = 1;
      }
}
/******定时器0初始化函数******/
void Timer1Init(void)             //1毫秒@12.000MHz
{
      AUXR &= 0xBF;             //定时器时钟12T模式
      TMOD &= 0x0F;             //设置定时器模式
      TL1 = 0x18;             //设置定时初值
      TH1 = 0xFC;             //设置定时初值
      TF1 = 0;             //清除TF1标志
      TR1 = 1;             //定时器1开始计时
      ET1 = 1;
      EA = 1;
}
void InterruptTimer1()  interrupt 3
{
  ScanSMG(); //数码管动态刷新
}

省赛试题-第3届-温度监控仪.pdf

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