蓝桥杯单片机开发第6届省赛简易温度采集与控制装置及源代码 -

标题: 蓝桥杯单片机开发第6届省赛简易温度采集与控制装置及源代码 [打印本页]

作者: 我是怪人 时间: 2020-3-24 18:00
标题: 蓝桥杯单片机开发第6届省赛简易温度采集与控制装置及源代码
#include <stc15f2k60s2.h>

sbit R1 = P3^0;
sbit R2 = P3^1;
sbit R3 = P3^2;
sbit R4 = P3^3;

sbit C1 = P4^4;
sbit C2 = P4^2;
sbit C3 = P3^5;
sbit C4 = 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 int num = 3525; //接收按键数字
unsigned char max = 0,min = 0;
unsigned char temp; //18B20温度接收位
unsigned char mode_temp = 0;
unsigned int delay_Led = 0;  //Led闪烁时间间隔
bit mode_set = 0; // 0 显示温度  1 设置温度
bit flag_Led = 0; // Led闪烁标志位

void Timer0Init(void);             //1毫秒@12.000MHz
void InitSystem();
void ConfigSMG();
void ScanKeys();
void Led_light();
void Setmode_Temp();
extern bit Start18B20();  //18B20初始化
extern unsigned char Get18B20Temp();  //获取温度

void main()
{
  InitSystem();
      Timer0Init();
      while(1)
      {
            Start18B20();
            Setmode_Temp();
      ConfigSMG();
            ScanKeys();
      }
}
/******HC573选择函数*******/
void Select74HC573(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()
{
  Select74HC573(5);
      P0 = 0x00;
      Select74HC573(4);
      P0 = 0xFF;
      Select74HC573(0);
}
/*******数码管显示******/
void ConfigSMG()
{
  if(mode_set==0) //显示温度
      {
            temp = Get18B20Temp();
      LedBuff[0] = LedChar[16];
            LedBuff[1] = LedChar[mode_temp];
            LedBuff[2] = LedChar[16];
            LedBuff[3] = 0xFF;
            LedBuff[4] = 0xFF;
            LedBuff[5] = 0xFF;
            LedBuff[6] = LedChar[temp/10];
            LedBuff[7] = LedChar[temp%10];
      }
      else          //设置温度范围
      {
      LedBuff[0] = LedChar[16];
            LedBuff[1] = LedChar[max/10];
            LedBuff[2] = LedChar[max%10];
            LedBuff[3] = 0xFF;
            LedBuff[4] = 0xFF;
            LedBuff[5] = LedChar[16];
            LedBuff[6] = LedChar[min/10];
            LedBuff[7] = LedChar[min%10];
      }
}
/*******按键配置函数*******/
void Delay1ms()             //@12.000MHz
{
      unsigned char i, j;

      i = 12;
      j = 169;
      do
      {
            while (--j);
      } while (--i);
}
void ScanKeys()
{
  R1 = 0;
      R2 = R3 = R4 = 1;
      C1 = C2 = C3 = C4 = 1;
      if(C1==0)       //按键0
      {
      Delay1ms();
            if(C1==0)
            {
                     if(mode_set)
                     {
                        num = num *10 + 0;
                              if(num>9999)
                                    num = 0;
                     }
               while(C1==0)
                     {
                        ConfigSMG();
                     }
            }
      }
      else if(C2==0) //按键1
      {
      Delay1ms();
            if(C2==0)
            {
                     if(mode_set)
                     {
                        num = num *10 + 1;
                              if(num>9999)
                                    num = 1;
                     }
               while(C2==0)
                     {
                        ConfigSMG();
                     }
            }
      }
      else if(C3==0) //按键2
      {
      Delay1ms();
            if(C3==0)
            {
                     if(mode_set)
                     {
                        num = num *10 + 2;
                              if(num>9999)
                                    num = 2;
                     }
               while(C3==0)
                     {
                        ConfigSMG();
                     }
            }
      }
      R2 = 0;
      R1 = R3 = R4 = 1;
      C1 = C2 = C3 = C4 = 1;
      if(C1==0)    //按键3
      {
      Delay1ms();
            if(C1==0)
            {
                     if(mode_set)
                     {
                        num = num *10 + 3;
                              if(num>9999)
                                    num = 3;
                     }
               while(C1==0)
                     {
                        ConfigSMG();
                     }
            }
      }
      else if(C2==0) //按键4
      {
      Delay1ms();
            if(C2==0)
            {
                     if(mode_set)
                     {
                        num = num *10 + 4;
                              if(num>9999)
                                    num = 4;
                     }
               while(C2==0)
                     {
                        ConfigSMG();
                     }
            }
      }
      else if(C3==0) //按键5
      {
      Delay1ms();
            if(C3==0)
            {
                     if(mode_set)
                     {
                        num = num *10 + 5;
                              if(num>9999)
                                    num = 5;
                     }
               while(C3==0)
                     {
                        ConfigSMG();
                     }
            }
      }
      R3 = 0;
      R1 = R2 = R4 = 1;
      C1 = C2 = C3 = C4 = 1;
      if(C1==0)    //按键6
      {
      Delay1ms();
            if(C1==0)
            {
                     if(mode_set)
                     {
                        num = num *10 + 6;
                              if(num>9999)
                                    num = 6;
                     }
               while(C1==0)
                     {
                        ConfigSMG();
                     }
            }
      }
      else if(C2==0) //按键7
      {
      Delay1ms();
            if(C2==0)
            {
                     if(mode_set)
                     {
                        num = num *10 + 7;
                              if(num>9999)
                                    num = 7;
                     }
               while(C2==0)
                     {
                        ConfigSMG();
                     }
            }
      }
      else if(C3==0) //按键8
      {
      Delay1ms();
            if(C3==0)
            {
                     if(mode_set)
                     {
                        num = num *10 + 8;
                              if(num>9999)
                                    num = 8;
                     }
               while(C3==0)
                     {
                        ConfigSMG();
                     }
            }
      }
      R4 = 0;
      R1 = R2 = R3 = 1;
      C1 = C2 = C3 = C4 = 1;
      if(C1==0)    //按键9
      {
      Delay1ms();
            if(C1==0)
            {
                     if(mode_set)
                     {
                        num = num *10 + 9;
                              if(num>9999)
                                    num = 9;
                     }
               while(C1==0)
                     {
                        ConfigSMG();
                     }
            }
      }
      else if(C2==0) //设置按键
      {
      Delay1ms();
            if(C2==0)
            {
                     mode_set = ~mode_set;
               while(C2==0)
                     {
                        ConfigSMG();
                     }
            }
      }
      else if(C3==0) //清除按键
      {
      Delay1ms();
            if(C3==0)
            {
                     if(mode_set)
                     {
                        num = 0;
                     }
               while(C3==0)
                     {
                        ConfigSMG();
                     }
            }
      }
}
/******LED闪烁设置*******/
void Led_light()
{
  Select74HC573(4);
  if(mode_temp==0)
      {
      delay_Led = 800;
            if(flag_Led)
            {
               flag_Led = 0;
                     P0 = 0xFE;  //打开LED1
            }
            else
            {
               P0 = 0xFF;  //关闭LED1
            }
      }
      else if(mode_temp==1)
      {
      delay_Led = 400;
            if(flag_Led)
            {
               flag_Led = 0;
                     P0 = 0xFE;  //打开LED1
            }
            else
            {
               P0 = 0xFF;  //关闭LED1
            }
      }
      else if(mode_temp==2)
      {
      delay_Led = 200;
            if(flag_Led)
            {
               flag_Led = 0;
                     P0 = 0xFE;  //打开LED1
            }
            else
            {
               P0 = 0xFF;  //关闭LED1
            }
      }
      Select74HC573(0);
}

/******温度区间设置******/
void Setmode_Temp()
{
  max = num/100;
      min = num%100;
      if(max>min)
      {
            if(temp<min)
            {
                     mode_temp = 0;
                     EA = 0;
                     Select74HC573(5);
               P0 = 0x00;    //关闭继电器
                     Select74HC573(0);
                     EA = 1;
            }
            else if(temp>max)
            {
                     mode_temp = 2;
                     EA = 0;
                     Select74HC573(5);
               P0 = 0x10;    //打开继电器
                     Select74HC573(0);
                     EA = 1;
            }
            else
            {
                     mode_temp = 1;
                     EA = 0;
                     Select74HC573(5);
               P0 = 0x00;    //关闭继电器
                     Select74HC573(0);
                     EA = 1;
            }
            Led_light();
      }
      else //设置温度错误
      {
      Select74HC573(4);
            P0 = 0xFD;    //LED2常亮
            Select74HC573(0);
            P0 = 0xFF;
      }
}
/*******数码管动态刷新*******/
void ScanSMG()
{
  static unsigned char i = 0;
      P0 = 0xFF;
      Select74HC573(6);
      P0 = 0x01<<i;
      Select74HC573(7);
      P0 = LedBuff[i++];
      if(i>=8)
            i = 0;
      Select74HC573(0);
}
/*******定时器0配置******/
void Timer0Init(void)             //1毫秒@12.000MHz
{
      AUXR &= 0x7F;             //定时器时钟12T模式
      TMOD &= 0xF0;             //设置定时器模式
      TL0 = 0x18;             //设置定时初值
      TH0 = 0xFC;             //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 int cnt = 0;
  ScanSMG();
      cnt++;
      if(cnt>=delay_Led)
      {
      flag_Led = 1;
            cnt = 0;
      }
}

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