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資源簡介

基于51單片機DS18B20測溫的程序及proteus仿真,通過測試可以完美運行

資源截圖

代碼片段和文件信息

/***************???writer:shopping.w???******************/
#include?
#include?
#define?uint?unsigned?int
#define?uchar?unsigned?char
#define?delayNOP()?{_nop_();_nop_();_nop_();_nop_();}

sbit?DQ?=?P3^3;
sbit?LCD_RS?=?P2^0;
sbit?LCD_RW?=?P2^1;
sbit?LCD_EN?=?P2^2;

uchar?code?Temp_Disp_title[]={“Current?Temp?:?“};
uchar?Current_Temp_Display_Buffer[]={“?TEMP:???“};

uchar?code?Temperature_Char[8]?=?
{
? 0x0c0x120x120x0c0x000x000x000x00
};

uchar?code?df_Table[]=
{
? 0112334456678899
};

uchar?CurrentT?=?0;
uchar?Temp_Value[]={0x000x00};
uchar?Display_Digit[]={0000};
bit?DS18B20_IS_OK?=?1;

void?DelayXus(uint?x)
{
? uchar?i;
while(x--)
{
? for(i=0;i<200;i++);
}
}

bit?LCD_Busy_Check()
{
? bit?result;
LCD_RS?=?0;
LCD_RW?=?1;
LCD_EN?=?1;
delayNOP();
result?=?(bit)(P0&0x80);
LCD_EN=0;
return?result;
}

void?Write_LCD_Command(uchar?cmd)
{
while(LCD_Busy_Check());
LCD_RS?=?0;
LCD_RW?=?0;
LCD_EN?=?0;
_nop_();
_nop_();
P0?=?cmd;
delayNOP();
LCD_EN?=?1;
delayNOP();
LCD_EN?=?0;
}

void?Write_LCD_Data(uchar?dat)
{
while(LCD_Busy_Check());
LCD_RS?=?1;
LCD_RW?=?0;
LCD_EN?=?0;
P0?=?dat;
delayNOP();
LCD_EN?=?1;
delayNOP();
LCD_EN?=?0;
}

void?LCD_Initialise()
{
? Write_LCD_Command(0x01);
DelayXus(5);
Write_LCD_Command(0x38);
DelayXus(5);
Write_LCD_Command(0x0c);
DelayXus(5);
Write_LCD_Command(0x06);
DelayXus(5);
}

void?Set_LCD_POS(uchar?pos)
{
? Write_LCD_Command(pos|0x80);
}

void?Delay(uint?x)
{
? while(--x);
}

uchar?Init_DS18B20()
{
? uchar?status;
DQ?=?1;
Delay(8);
DQ?=?0;
Delay(90);
DQ?=?1;
Delay(8);
DQ?=?1;
return?status;
}

uchar?ReadOneByte()
{
? uchar?idat=0;
DQ?=?1;
_nop_();
for(i=0;i<8;i++)
{
? DQ?=?0;
dat?>>=?1;
DQ?=?1;
_nop_();
_nop_();
if(DQ)
dat?|=?0X80;
Delay(30);
DQ?=?1;
}
return?dat;
}

void?WriteOneByte(uchar?dat)
{
? uchar?i;
for(i=0;i<8;i++)
{
? DQ?=?0;
DQ?=?dat&?0x01;
Delay(5);
DQ?=?1;
dat?>>=?1;
}
}

void?Read_Temperature()
{
? if(Init_DS18B20()==1)
DS18B20_IS_OK=0;
else
{
WriteOneByte(0xcc);
WriteOneByte(0x44);
Init_DS18B20();
WriteOneByte(0xcc);
WriteOneByte(0xbe);
Temp_Value[0]?=?ReadOneByte();?
Temp_Value[1]?=?ReadOneByte();
DS18B20_IS_OK=1;
}
}

void?Display_Temperature()
{
? uchar?i;
uchar?t?=?150?ng?=?0;
if((Temp_Value[1]&0xf8)==0xf8)
{
? Temp_Value[1]?=?~Temp_Value[1];
Temp_Value[0]?=?~Temp_Value[0]+1;
if(Temp_Value[0]==0x00)
Temp_Value[1]++;
ng?=?1;
}
Display_Digit[0]?=?df_Table[Temp_Value[0]&0x0f];
CurrentT?=?((Temp_Value[0]&0xf0)>>4)?|?((Temp_Value[1]&0x07)<<4);
Display_Digit[3]?=?CurrentT/100;
Display_Digit[2]?=?CurrentT%100/10;
Display_Digit[1]?=?CurrentT%10;
Current_Temp_Display_Buffer[11]?=?Display_Digit[0]?+?‘0‘;
Current_Temp_Display_Buffer[10]?=?‘.‘;
Current_Temp_Disp

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-04-06?10:20??DS18B20溫度傳感器實驗\
?????文件???????37674??2009-03-06?21:55??DS18B20溫度傳感器實驗\DS18B20溫度傳感器實驗.DSN
?????文件????????1197??2018-05-04?14:03??DS18B20溫度傳感器實驗\DS18B20溫度傳感器實驗.PWI
?????目錄???????????0??2018-04-06?10:20??DS18B20溫度傳感器實驗\Keil?C\
?????文件???????10291??2009-03-06?21:54??DS18B20溫度傳感器實驗\Keil?C\DS18B20溫度傳感器實驗
?????文件????????2408??2009-03-06?21:54??DS18B20溫度傳感器實驗\Keil?C\DS18B20溫度傳感器實驗.hex
?????文件???????37674??2009-02-08?12:33??DS18B20溫度傳感器實驗\Last?Loaded?DS18B20溫度傳感器實驗.DBK
?????目錄???????????0??2018-04-06?10:20??DS18B20溫度傳感器實驗\code\
?????文件???????10863??2018-01-11?14:07??DS18B20溫度傳感器實驗\code\25
?????文件????????9986??2018-01-11?14:07??DS18B20溫度傳感器實驗\code\25.LST
?????文件???????15537??2018-01-11?14:07??DS18B20溫度傳感器實驗\code\25.M51
?????文件???????12840??2018-01-11?14:07??DS18B20溫度傳感器實驗\code\25.OBJ
?????文件????????2129??2018-01-11?14:07??DS18B20溫度傳感器實驗\code\25.Uv2.bak
?????文件????????4080??2009-08-13?14:18??DS18B20溫度傳感器實驗\code\25.c
?????文件????????2355??2018-01-11?14:07??DS18B20溫度傳感器實驗\code\25.hex
?????文件??????????36??2018-01-11?14:07??DS18B20溫度傳感器實驗\code\25.lnp
?????文件?????????977??2018-01-11?14:08??DS18B20溫度傳感器實驗\code\25.opt.bak
?????文件?????????194??2018-01-11?19:26??DS18B20溫度傳感器實驗\code\25.plg
?????文件???????55675??2018-01-11?19:36??DS18B20溫度傳感器實驗\code\25.uvopt
?????文件???????13226??2018-01-11?16:49??DS18B20溫度傳感器實驗\code\25.uvproj
?????文件?????????973??2018-01-11?14:07??DS18B20溫度傳感器實驗\code\25_Opt.Bak
?????文件????????2134??2009-08-13?14:40??DS18B20溫度傳感器實驗\code\25_Uv2.Bak
?????文件???????55276??2018-01-11?16:49??DS18B20溫度傳感器實驗\code\25_uvopt.bak

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