51单片机的液晶显示温度计程序

51单片机的液晶显示温度计程序

51单片机的液晶显示温度计程序#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