蓝桥杯单片机开发第7届省赛模拟风扇控制系统及源代码 -

标题: 蓝桥杯单片机开发第7届省赛模拟风扇控制系统及源代码 [打印本页]

作者: 我是怪人 时间: 2020-3-24 18:54
标题: 蓝桥杯单片机开发第7届省赛模拟风扇控制系统及源代码
#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 pwn_value = 0;
unsigned char mode = 1; //1 睡眠风 2 自然风 3 常风 4 温度
unsigned int time = 0;
unsigned char dat_Led = 0;
bit flag1s = 0;
bit mode_T = 0;  //温度显示位

void InitSystem();
void SMGWorking();
void Ledrunning();
void ScanKeys();
void Timer0Init(void);             //1毫秒@12.000MHz
void Timer1Init(void);             //10微秒@12.000MHz
extern bit Start18B20();
extern unsigned char Get18B20temp();

void main()
{
      Timer0Init();
      Timer1Init();
  InitSystem();
      while(1)
      {
      Ledrunning();
            SMGWorking();
            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);
}
/******LED显示函数*******/
void Ledrunning()
{
  Select74HC573(4);
      if(dat_Led<3)
      {
      P0 = ~(0x01<<dat_Led);
      }
      else
      {
      P0 = 0xFF;  //风扇停止转动
      }
      Select74HC573(0);
      P0 = 0xFF;
}
/*******数码管显示函数*******/
void SMGWorking()
{
      unsigned char temp;
      if(flag1s)
      {
      flag1s = 0;
            Start18B20();
            temp = Get18B20temp();
      }
  if(mode_T==0)
      {
      LedBuff[0] = LedChar[16];
            LedBuff[1] = LedChar[mode];
            LedBuff[2] = LedChar[16];
            LedBuff[3] = 0xFF;
            LedBuff[4] = LedChar[time/1000];
            LedBuff[5] = LedChar[time/100%10];
            LedBuff[6] = LedChar[time/10%10];
            LedBuff[7] = LedChar[time%10];
      }
      else
      {
      LedBuff[0] = LedChar[16];
            LedBuff[1] = LedChar[4];
            LedBuff[2] = LedChar[16];
            LedBuff[3] = 0xFF;
            LedBuff[4] = 0xFF;
            LedBuff[5] = LedChar[temp/10];
            LedBuff[6] = LedChar[temp%10];
            LedBuff[7] = LedChar[12];
      }
}
void Delay1ms()             //@12.000MHz
{
      unsigned char i, j;

      i = 12;
      j = 169;
      do
      {
            while (--j);
      } while (--i);
}
/*******按键相关函数*******/
void ScanKeys()
{
/******室温按键******/
  if(S7==0)
      {
      Delay1ms();
            if(S7==0)
            {
                     mode_T = ~mode_T;
               while(S7==0)
                     {
                        SMGWorking();
                     }
            }
      }
/*******停止按键，清零工作时间*******/
      if(S6==0)
      {
      Delay1ms();
            if(S6==0)
            {
                     time = 0;
                     dat_Led = 4;  //关闭Led
               while(S6==0)
                     {
                        SMGWorking();
                     }
            }
      }
/*******定时按键******/
      if(S5==0)
      {
      Delay1ms();
            if(S5==0)
            {
                     time += 60;
               while(S5==0)
                     {
                        SMGWorking();
                     }
            }
      }
/******工作模式切换*******/
      if(S4==0)
      {
      Delay1ms();
            if(S4==0)
            {
                     switch(mode)
                     {
                        case 1:mode=2;dat_Led=1;pwn_value=30;break;
                              case 2:mode=3;dat_Led=2;pwn_value=70;break;
                              case 3:mode=1;dat_Led=0;pwn_value=20;break;
                     }
               while(S4==0)
                     {
                        SMGWorking();
                     }
            }
      }
}
/******数码管刷新*****/
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);
}
void Timer0Init(void)             //1毫秒@12.000MHz
{
      AUXR |= 0x80;             //定时器时钟1T模式
      TMOD &= 0xF0;             //设置定时器模式
      TL0 = 0x20;             //设置定时初值
      TH0 = 0xD1;             //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;
}
/*******定时器0相关函数*******/
void InterruprTimer0() interrupt 1
{
      static unsigned int cnt = 0;
  ScanSMG();
      cnt++;
      if(cnt>=1000)
      {
      flag1s = 1;
            cnt = 1;
            if(time>0)
                     time--;
            else
                     time = 0;
      }
}
/*******定时器1相关函数*******/
void Timer1Init(void)             //10微秒@12.000MHz
{
      AUXR &= 0xBF;             //定时器时钟12T模式
      TMOD &= 0x0F;             //设置定时器模式
      TL1 = 0xF6;             //设置定时初值
      TH1 = 0xFF;             //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
{
  static unsigned char pwn = 0;
      pwn++;
      if(pwn<=pwn_value)
      {
      dianji = 1;
      }
      else if(pwn>=100)
      {
            dianji = 1;
      pwn = 0;
      }
      else
      {
      dianji = 0;
      }
}

第7届模拟风扇系统_2.rar

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省赛试题-第7届-模拟风扇控制系统.pdf

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作者: 我好难 时间: 2021-3-23 14:24
原理图有吗？铁铁

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