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將ds18b20采集到的溫度通過OLED顯示全部源碼開發環境51單片機c語言

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代碼片段和文件信息

//#include“1602.h“
#include“ds18b20.h“
void?Delay1ms?(?uint?y?)
{
uint?x;
for?(?y?;?y?>?0?;?y?--?)
for?(?x?=?110?;?x?>?0?;?x?--?)?;
}

uchar?Ds18b20Init()
{
? uint?i;
DSPORT?=?0;
i?=?70;
while(?i?--?);
DSPORT?=?1;
while(DSPORT)
{
i?++?;
if(?i?>?5000?)?//若執行完延時DSPORT一直為1?說明ds18b20沒有響應??因為只有DSPORT為0才能判別ds18b20做出應答,?否則跳出while循環??重新初始化?
return?0;
}
return?1;//DSPORT為1?跳出初始化?初始化成功
}
void?Ds18b20WriteByte(?uchar?dat)
{
uint?i??j?;
for?(?j?=?0?;?j? {
DSPORT?=?0;
i?++?;
???? DSPORT?=?dat?&?0x01;
i?=?6;
while(?i?--?);
DSPORT?=?1;
dat?=?dat?>>?1;
}
}
uchar??Ds18b20ReadByte()
{
uchar?byte??bi;
uint?i??j;
for(?j?=?8?;?j?>?0?;?j?--?)
{
DSPORT?=?0; ?
i?++?;
DSPORT?=?1;
i?++?;
i?++?;
bi?=?DSPORT;
byte?=?(?byte?>>?1?)?|?(?bi?< i?=?4;
while(?i?--?);
}
return?byte;
}
void??Ds18b20ChangeTemp()
{
Ds18b20Init();
Delay1ms(?1?);
????Ds18b20WriteByte(?0xcc?);
????Ds18b20WriteByte(?0x44?);
Delay1ms(100);
}
void??Ds18b20ReadTempdat?()
{
Ds18b20Init?();
Delay1ms(?1?);
Ds18b20WriteByte(?0xcc?);
Ds18b20WriteByte(?0xbe?);
}
int?Ds18b20ReadTemp()
{
int?temp?=?0;
uchar?tmh??tml;
Ds18b20ChangeTemp();
Ds18b20ReadTempdat();
tml?=?Ds18b20ReadByte();
tmh?=?Ds18b20ReadByte();
temp?=?tmh;
temp?=?temp?< temp?=?temp?|?tml;
return?temp;
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2015-05-05?19:03??OLED\
?????目錄???????????0??2015-04-06?16:26??OLED\ch\
?????文件???????18602??2015-04-06?20:05??OLED\ch\codetable.h
?????文件????????1468??2015-04-06?15:56??OLED\ch\ds18b20.c
?????文件?????????337??2015-04-06?15:56??OLED\ch\ds18b20.h
?????文件????????1893??2015-04-13?17:03??OLED\ch\main.c
?????文件????????5258??2015-04-06?22:08??OLED\ch\oled.c
?????文件????????1457??2015-04-10?21:27??OLED\ch\oled.h
?????目錄???????????0??2015-04-13?17:03??OLED\list\
?????文件????????4223??2015-04-13?17:03??OLED\list\ds18b20.lst
?????文件????????4259??2015-04-13?17:03??OLED\list\main.lst
?????文件???????10536??2015-04-13?17:03??OLED\list\oled.lst
?????文件???????25282??2015-04-13?17:03??OLED\list\oled.m51
?????文件???????14136??2015-04-13?17:03??OLED\list\STARTUP.lst
?????文件?????????152??2015-04-06?15:53??OLED\oled.plg
?????文件???????58748??2015-04-15?19:34??OLED\oled.uvopt
?????文件???????13953??2015-04-06?17:10??OLED\oled.uvproj
?????文件???????60382??2015-04-13?17:08??OLED\oled_uvopt.bak
?????文件???????????0??2015-04-06?15:52??OLED\oled_uvproj.bak
?????目錄???????????0??2015-04-13?17:03??OLED\output\
?????文件????????5828??2015-04-13?17:03??OLED\output\ds18b20.obj
?????文件????????4898??2015-04-13?17:03??OLED\output\main.obj
?????文件???????23394??2015-04-13?17:03??OLED\output\oled
?????文件???????11892??2015-04-13?17:03??OLED\output\oled.hex
?????文件?????????155??2015-04-13?17:03??OLED\output\oled.lnp
?????文件???????14403??2015-04-13?17:03??OLED\output\oled.obj
?????文件?????????152??2015-05-05?18:50??OLED\output\oled.plg
?????文件?????????813??2015-04-13?17:03??OLED\output\STARTUP.obj
?????文件????????6376??2009-05-07?14:37??OLED\STARTUP.A51

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