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標(biāo)題: 藍橋杯單片機開發(fā)第9屆省賽彩燈控制器及源代碼 [打印本頁]

作者: 我是怪人 時間: 2020-3-24 18:08
標(biāo)題: 藍橋杯單片機開發(fā)第9屆省賽彩燈控制器及源代碼
#include <stc15f2k60s2.h>
#include <I2C.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 code dat_led[4][8] = {
  {0xFE,0xFD,0xFB,0xF7,0xEF,0xDF,0xBF,0x7F},  //模式1
      {0x7F,0xBF,0xDF,0xEF,0xF7,0xFB,0xFD,0xFE},  //模式2
      {0x7E,0xBD,0xDB,0xE7},                   //模式3
      {0xE7,0xDB,0xBD,0x7E}                            //模式4
};
unsigned char mode=0,site=0; //mode控制流水燈模式，site控制流水燈的位置
unsigned int time_led = 400;//LED流轉(zhuǎn)間隔
unsigned char pwn_duty = 0;//脈沖寬度
unsigned char grade_led = 1;//LED亮度等級
unsigned char s6_set = 0;
bit s4_set = 0; //在非設(shè)置狀態(tài)下按下S4可以顯示LED的亮度等級
unsigned char dat_rb2 = 0;

void InitSystem();
void ScanKeys();
void ConfigSMG();
void Read_Rb2();
void LED();
void Timer0Init(void);             //1毫秒@12.000MHz
unsigned char I2CRead(unsigned char addr);
void I2CWrite(unsigned char addr,unsigned char dat);

void main()
{
      InitSystem();
      Timer0Init();
      mode = I2CRead(0x01);
      time_led = I2CRead(0x08)*10;
  while(1)
      {
            ConfigSMG();
            Read_Rb2();
      LED();
            ScanKeys();
      }
}
void SelectHC573(unsigned char chane)
{
  switch(chane)
      {
      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(guān)閉LED和蜂鳴器、繼電器******/
void InitSystem()
{
  SelectHC573(5);
      P0 = 0x00;
      SelectHC573(4);
      P0 = 0xFF;
      SelectHC573(0);
}
/******數(shù)碼管顯示函數(shù)******/
void ConfigSMG()
{
      if(s6_set>0)
      {
            LedBuff[0] = LedChar[16];
            LedBuff[1] = LedChar[mode];
            LedBuff[2] = LedChar[16];
            LedBuff[3] = 0xFF;
            if(time_led>=1000)
            {
                     LedBuff[4] = LedChar[time_led/1000];
                     LedBuff[5] = LedChar[time_led/100%10];
                     LedBuff[6] = LedChar[time_led/10%10];
                     LedBuff[7] = LedChar[time_led%10];
            }
            else
            {
                     LedBuff[4] = 0xFF;
               LedBuff[5] = LedChar[time_led/100];
                     LedBuff[6] = LedChar[time_led/10%10];
                     LedBuff[7] = LedChar[time_led%10];
            }
      }
      else
      {
      LedBuff[0] = 0xFF;
            LedBuff[1] = 0xFF;
            LedBuff[2] = 0xFF;
            LedBuff[3] = 0xFF;
            LedBuff[4] = 0xFF;
            LedBuff[5] = 0xFF;
            LedBuff[6] = 0xFF;
            LedBuff[7] = 0xFF;
      }
      if(s4_set)
      {
            LedBuff[0] = 0xFF;
            LedBuff[1] = 0xFF;
            LedBuff[2] = 0xFF;
            LedBuff[3] = 0xFF;
            LedBuff[4] = 0xFF;
            LedBuff[5] = 0xFF;
      LedBuff[6] = LedChar[16];
            LedBuff[7] = LedChar[grade_led];
      }
}
/******EEPROM相關(guān)函數(shù)********/
void I2CWrite(unsigned char addr,unsigned char dat)
{
  I2CStart();
      I2CSendByte(0xA0);
      I2CWaitACK();
      I2CSendByte(addr);
      I2CWaitACK();
      I2CSendByte(dat);
      I2CWaitACK();
      I2CStop();
}
unsigned char I2CRead(unsigned char addr)
{
  unsigned char dat;
      I2CStart();
      I2CSendByte(0xA0);
      I2CWaitACK();
      I2CSendByte(addr);
      I2CWaitACK();

      I2CStart();
      I2CSendByte(0xA1);
      I2CWaitACK();
      dat = I2CRecByte();
      I2C_ACK(0);
      I2CStop();
      return dat;
}
/******PCF8591數(shù)據(jù)采集*******/
void Read_Rb2()
{
  I2CStart();
      I2CSendByte(0x90);
      I2CWaitACK();
      I2CSendByte(0x03);
      I2CWaitACK();
      I2CStop();

      I2CStart();
      I2CSendByte(0x91);
      I2CWaitACK();
      dat_rb2 = I2CRecByte();
      I2C_ACK(0);
      I2CStop();
}
/******LED亮度控制函數(shù)******/
void LED()
{
  if(dat_rb2<60)
      {
      pwn_duty = 5;
            grade_led = 1;
      }
      else if(dat_rb2<120)
      {
      pwn_duty = 10;
            grade_led = 2;
      }
      else if(dat_rb2<180)
      {
      pwn_duty = 15;
            grade_led = 3;
      }
      else
      {
      pwn_duty = 20;
            grade_led = 4;
      }
}
/********按鍵掃描與處理邏輯*********/
void Delay1ms()             //@12.000MHz
{
      unsigned char i;

      i = 1000;
      while(i--);
}
void ScanKeys()
{
/*****按鍵S7*****/
  if(S7==0)
      {
      Delay1ms();
            if(S7==0)
            {
   if(TR0==0)
                     {
                        TR0 = 1;
                     }
                     else
                     {
                              s6_set = 0;
                        TR0 = 0;
                     }
                     while(S7==0);
            }
      }
/******按鍵S6*****/
      if(S6==0)
      {
      Delay1ms();
            if(S6==0)
            {
                              s6_set++;
                              if(s6_set==2)
                     {
                              I2CWrite(0x01,mode);
                              Delay1ms();
                     }
                     else if(s6_set>=3)
                     {
                              s6_set = 0;
                              I2CWrite(0x08,time_led/10);
                              Delay1ms();
                     }
                     while(S6==0);
            }
      }
/*****按鍵S5*****/
      if(S5==0)
      {
            Delay1ms();
            if(S5==0)
            {
                              if(s6_set==2)
                              {
                                    time_led = time_led+100;
                                    if(time_led>=1200)
                                    {
                                             time_led = 1200;
                                    }
                              }
                              else if(s6_set==1)
                              {
                                    mode++;
                                    if(mode>=4)
                                    {
                                             mode = 4;
                                    }
                              }
                              while(S5==0);
            }
      }
/******按鍵S4*****/
      if(S4==0)
      {
            Delay1ms();
            if(S4==0)
            {
                              if(s6_set==2)
                              {
                                    time_led = time_led-100;
                                    if(time_led<400)
                                    {
                                             time_led = 400;
                                    }
                              }
                              else if(s6_set==1)
                              {
                                    mode--;
                                    if(mode<=1)
                                    {
                                             mode = 1;
                                    }
                              }
                              else
                              {
                              s4_set = ~s4_set;
                              }
                              while(S4==0);
               }
            }
}
/*******數(shù)碼管刷新*******/
void ScanSMG()
{
      static unsigned char i = 0;
  P0 = 0xFF;
      SelectHC573(6);
      P0 = 0x01<<i;
      SelectHC573(7);
      P0 = LedBuff[i++];
      if(i>=8)
            i = 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(shè)置定時器模式
      TL0 = 0x18;             //設(shè)置定時初值
      TH0 = 0xFC;             //設(shè)置定時初值
      TF0 = 0;             //清除TF0標(biāo)志
      TR0 = 1;             //定時器0開始計時
      ET0 = 1;
      EA = 1;
}
void InterruptTimer0()  interrupt 1 //定時器服務(wù)函數(shù)
{
      static unsigned int cnt = 0;
      static unsigned char PWN = 0;
  ScanSMG();
      PWN++;
      cnt++;
      if(PWN<=pwn_duty)  //控制LED的亮度大小
      {
      SelectHC573(4);
      P0 = dat_led[mode-1][site];
      }
      else if(PWN<20)
      {
      SelectHC573(4);
      P0 = 0xFF;
      }
      else
      {
      SelectHC573(4);
            PWN = 0;
      P0 = dat_led[mode-1][site];
      }
      if(cnt>=time_led) //控制LED的流轉(zhuǎn)間隔
      {
      SelectHC573(4);
      P0 = dat_led[mode-1][site];
            cnt = 0;
            site++;
            if(mode<=2)
            {
         if(site>=8)
      site = 0;
            }
            else
            {
               if(site>=4)
                              site = 0;
            }
      }
}

第9屆彩燈控制器_1.rar

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省賽試題-第9屆-彩燈控制器.pdf

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