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unsigned char TimeBuffer[]= {"00:00:00"};

unsigned char LCDDisplayBuffer[]={"       "};

unsigned int SecondCounter;//秒計數(shù)器(無符號整型)

void timer0(void) interrupt 1//定時T0溢出中斷,每25mS產(chǎn)生一次中斷

{

  unsigned int Temp;

  unsigned char TemperatureH;

  unsigned char TemperatureL;

  struct TimerStruct RealClock;

  TH0=(65536-46080)/256;//重新裝入定時25mS的初值到TH0,TL0

  TL0=(65536-46080)%256;

  SecondCounter++;//秒計數(shù)器加1

  if(SecondCounter==40)//到40,表示1S時間到

    {

      SecondCounter=0;

      while(DS18B20_Reset());//向DS18B20發(fā)復(fù)位命令

      DS18B20_Write(0xCC);   //向DS18B20發(fā)讀數(shù)據(jù)命令

      DS18B20_Write(0xBE);

      TemperatureL=DS18B20_Read();//讀DS18B20的第1個BYTE

      TemperatureH=DS18B20_Read();//讀DS18B20的第2個Byte

      while(DS18B20_Reset());//向DS18B20發(fā)復(fù)位命令

      DS18B20_Write(0xCC);//向DS18B20