蓝桥杯单片机开发第4届省赛自动售水机及源代码

ID:656536 · 发表于 2020-3-24 18:59

#include <stc15f2k60s2.h>
#include <I2C.h>

sbit S7 = P3^0;
sbit S6 = P3^1;

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 dat_rd1;
unsigned char money;
unsigned int shui_L = 0;  //出水量
unsigned int flag_ns = 0;
bit shui = 0;  // 0停止出水  1打开出水

void InitSystem();
void Timer0Init(void);             //1毫秒@12.000MHz
void ConfigSMG();
void ConfigWorking();
void ScanKeys();
void ScanSMG();
extern unsigned char ReadRd1();

void main()
{
      InitSystem();
  Timer0Init();
      while(1)
      {
            ConfigWorking();
      ConfigSMG();
            ScanKeys();
            ScanSMG();
      }
}
/******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;
            case 0: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()
{
  dat_rd1 = ReadRd1();  //采集光敏电阻电压
      SeceltHC573(4);
      if(dat_rd1>125)    //判断LED1亮灭
      {
            P0 = 0xFE;
      }
      else
      {
      P0 = 0xFF;
      }
      SeceltHC573(0);
      shui_L = flag_ns;
      money = shui_L*0.5;
      if(shui_L>=999)
      {
      shui = 0;
            flag_ns = 0;
      }
      if(shui)
      {
            EA = 0;
      SeceltHC573(5); //打开继电器
            P0 = 0x10;
            SeceltHC573(0);
            EA = 1;
      }
      else
      {
      EA = 0;
      SeceltHC573(5); //关闭继电器
            P0 = 0x00;
            SeceltHC573(0);
            EA = 1;
      }
}
/******数码管动态显示*******/
void ConfigSMG()
{
  if(shui)
      {
      LedBuff[0] = 0xFF;
            LedBuff[1] = (LedChar[0]&LedChar[17]);
            LedBuff[2] = LedChar[5];
            LedBuff[3] = LedChar[0];
            LedBuff[4] = LedChar[shui_L/100];
            LedBuff[5] = (LedChar[shui_L/10%10]&LedChar[17]);
            LedBuff[6] = LedChar[shui_L%10];
            LedBuff[7] = LedChar[0];
      }
      else
      {
      LedBuff[0] = 0xFF;
            LedBuff[1] = (LedChar[0]&LedChar[17]);
            LedBuff[2] = LedChar[5];
            LedBuff[3] = LedChar[0];
            LedBuff[4] = LedChar[money/100];
            LedBuff[5] = (LedChar[money/10%10]&LedChar[17]);
            LedBuff[6] = LedChar[money%10];
            LedBuff[7] = LedChar[0];
      }
}
/******按键相关函数******/
void Delay1ms()             //@12.000MHz
{
      unsigned char i, j;

      i = 12;
      j = 169;
      do
      {
            while (--j);
      } while (--i);
}
void ScanKeys()
{
  if(S7==0)
      {
            Delay1ms();
      if(S7==0)
            {
                     flag_ns = 0;
               shui = 1;
                     while(S7==0)
                     {
                              ScanSMG();
                     }
            }
      }
      if(S6==0)
      {
            Delay1ms();
      if(S6==0)
            {
               shui = 0;
                     while(S6==0)
                     {
                              ScanSMG();
                     }
            }
      }
}

/******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);
      P0 = 0xFF;
      Delay1ms();
}
/******配置定时器0******/
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;
      if(shui)
      {
            cnt++;
            if(cnt>=1000)
            {
                     cnt = 0;
                     flag_ns++;
            }
  }
      else
      {
            cnt = 0;
      }
}

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