数字温度计程序

数字温度计程序

#include <reg51.h>
#include <intrins.h>

sbit  RST   = P2^0;
sbit  CLK   = P2^1;
sbit  DQ    = P2^2;
sbit  TSOR  = P2^3;
sbit  ALERT =P2^4;
sbit  RS    = P2^7;
sbit  RW    = P2^6;
sbit  EN    = P2^5; 
/*------------------------------------------全局变量-------------------------------------------------------*/
statIC unsigned char temp1,temp2;         //温度值的整数部分、小数部分
static unsigned char pos,posset;              //数字电位器电位值、设定值
static unsigned char min,sec;                 //分钟、秒
static unsigned char count;                   //Timer0中断计数
static unsigned char minset;                  //设定的分钟数
static unsigned char status1,status2;        //状态标志
bit   stop,timeover;                    //定时停止、结束
static char line0[] ="     00:00      ";
static char line1[] ="   . C         W";

/*-------------------------------------------------------------------------------------------------------------*/
void          InitInterupt();
void          KeyboardDelay();
/*-------------------------------------------LCD驱动函数------------------------------------------------*/
void          DelayL();
void           DelayS();
void           WriteCommand(unsigned char c);
void           WritEDAta(unsigned char c);
void           ShowChar(unsigned char pos,unsigned char c);
void           ShowString(unsigned char line,char *ptr);
void           InitLcd();
/*----------------------------------------------键盘-程序--------------------------------------------------*/
unsigned char GetKey();
/*---------------------------------------------数字温度计驱动-------------------------------------------*/
void          ChangePos(bit sel,unsigned char pos1,unsigned char pos2);
/*------------------------------------------温度传感器驱动----------------------------------------------*/
void          Delay15();
void          Delay60();
void          Delay100ms();
void          Write0TS();
void          Write1TS();
bit           ReaDTS();
void          ResetTS();
void          WriteByteTS(unsigned char byte);
unsigned char  ReadByteTS();
void          InitTS();
void          GetTempTS();
/*-------------------------------------------------主程序---------------------------------------------------*/
void main (void) {
     char code str1[]  ="  Hello World!  ";
     char code str2[]  ="   2002-10-20   ";
     unsigned char i;

     SP=0x50;
     ALERT=0;                       //报警灯灭
     TSOR=1;                       //1-wire总线释放

     DelayL();
     InitLcd();                        //初始化LCD
     DelayL();
     ShowString(0,str1);                //启动画面
     ShowString(1,str2);
     for(i=0;i<15;i++)
       Delay100ms();
     InitInterupt();                     //初始化中断设置

     minset=10;                        //缺省定时10分钟
     posset=0;                         //缺省电位器值0
     min=minset;                    //初始化数据
     pos=posset;
     sec=0;            
     count=0;
     P1=0xF0;
     status1=0;
     status2=0;
     stop=1;
     timeover=0;

     ChangePos(0,255-pos,255-pos);           //设置电位器

     InitTS();                         //初始化温度计
     while(1)                        //循环显示温度值

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本文关键字：程序  数字温度计  51单片机，单片机-工控设备 - 51单片机