单片机练习 - 使用1602lcd显示ds18b20的温度值 - 让生活web个够 - 博客园.htm

AT24c01及DS18B20应用程序,与大家一起分享

style="BORDER-RIGHT: #cccccc 1px solid; PADDING-RIGHT: 5px; BORDER-TOP: #cccccc 1px solid; PADDING-LEFT: 4px; FONT-SIZE: 13px; PADDING-BOTTOM: 4px; BORDER-LEFT: #cccccc 1px solid; WIDTH: 98%; PADDING-TOP: 4px; BORDER-BOTTOM: #cccccc 1px solid; BACKGROUND-COLOR: #eeeeee"><IMG 
id=Code_Closed_Image_011345 
onclick="this.style.display='none'; Code_Closed_Text_011345.style.display='none'; Code_Open_Image_011345.style.display='inline'; Code_Open_Text_011345.style.display='inline';" 
height=16 alt="" 
src="单片机练习 - 使用1602LCD显示DS18B20的温度值 - 让生活Web个够 - 博客园_files/ContractedBlock.gif" 
width=11 align=top><IMG id=Code_Open_Image_011345 style="DISPLAY: none" 
onclick="this.style.display='none'; Code_Open_Text_011345.style.display='none'; Code_Closed_Image_011345.style.display='inline'; Code_Closed_Text_011345.style.display='inline';" 
height=16 alt="" 
src="单片机练习 - 使用1602LCD显示DS18B20的温度值 - 让生活Web个够 - 博客园_files/ExpandedBlockStart.gif" 
width=11 align=top><SPAN id=Code_Closed_Text_011345 
style="BORDER-RIGHT: #808080 1px solid; BORDER-TOP: #808080 1px solid; BORDER-LEFT: #808080 1px solid; BORDER-BOTTOM: #808080 1px solid; BACKGROUND-COLOR: #ffffff">1602LCD</SPAN><SPAN 
id=Code_Open_Text_011345><BR><!--<br />
<br />
Code highlighting produced by Actipro CodeHighlighter (freeware)<br />
http://www.CodeHighlighter.com/<br />
<br />
--><SPAN style="COLOR: #008080">&nbsp;&nbsp;1</SPAN><IMG alt="" 
src="单片机练习 - 使用1602LCD显示DS18B20的温度值 - 让生活Web个够 - 博客园_files/None.gif" 
align=top><SPAN style="COLOR: #008000">//</SPAN><SPAN 
style="COLOR: #008000">1602液晶显示程序,&nbsp;TX-1B实验板上的1602LCD的R/W读写端接地,&nbsp;即始终只写,&nbsp;不读数据<BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;&nbsp;2</SPAN><SPAN style="COLOR: #008000"><IMG 
alt="" src="单片机练习 - 使用1602LCD显示DS18B20的温度值 - 让生活Web个够 - 博客园_files/None.gif" 
align=top></SPAN><SPAN style="COLOR: #008000">//</SPAN><SPAN 
style="COLOR: #008000">使用1602LCD显示DS18B20转换的温度值</SPAN><SPAN 
style="COLOR: #008000"><BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;&nbsp;3</SPAN><SPAN style="COLOR: #008000"><IMG 
alt="" src="单片机练习 - 使用1602LCD显示DS18B20的温度值 - 让生活Web个够 - 博客园_files/None.gif" 
align=top></SPAN><SPAN style="COLOR: #000000">#include&nbsp;</SPAN><SPAN 
style="COLOR: #000000">&lt;</SPAN><SPAN 
style="COLOR: #000000">reg52.H</SPAN><SPAN 
style="COLOR: #000000">&gt;</SPAN><SPAN style="COLOR: #000000"><BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;&nbsp;4</SPAN><SPAN style="COLOR: #000000"><IMG 
alt="" src="单片机练习 - 使用1602LCD显示DS18B20的温度值 - 让生活Web个够 - 博客园_files/None.gif" 
align=top>#include&nbsp;</SPAN><SPAN style="COLOR: #000000">&lt;</SPAN><SPAN 
style="COLOR: #000000">intrins.H</SPAN><SPAN 
style="COLOR: #000000">&gt;</SPAN><SPAN style="COLOR: #000000"><BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;&nbsp;5</SPAN><SPAN style="COLOR: #000000"><IMG 
alt="" src="单片机练习 - 使用1602LCD显示DS18B20的温度值 - 让生活Web个够 - 博客园_files/None.gif" 
align=top>#include&nbsp;</SPAN><SPAN style="COLOR: #000000">&lt;</SPAN><SPAN 
style="COLOR: #000000">math.H</SPAN><SPAN 
style="COLOR: #000000">&gt;</SPAN><SPAN style="COLOR: #000000"><BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;&nbsp;6</SPAN><SPAN style="COLOR: #000000"><IMG 
alt="" src="单片机练习 - 使用1602LCD显示DS18B20的温度值 - 让生活Web个够 - 博客园_files/None.gif" 
align=top><BR></SPAN><SPAN style="COLOR: #008080">&nbsp;&nbsp;7</SPAN><SPAN 
style="COLOR: #000000"><IMG alt="" 
src="单片机练习 - 使用1602LCD显示DS18B20的温度值 - 让生活Web个够 - 博客园_files/None.gif" 
align=top></SPAN><SPAN style="COLOR: #0000ff">#define</SPAN><SPAN 
style="COLOR: #000000">&nbsp;uchar&nbsp;unsigned&nbsp;char</SPAN><SPAN 
style="COLOR: #000000"><BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;&nbsp;8</SPAN><SPAN style="COLOR: #000000"><IMG 
alt="" src="单片机练习 - 使用1602LCD显示DS18B20的温度值 - 让生活Web个够 - 博客园_files/None.gif" 
align=top></SPAN><SPAN style="COLOR: #0000ff">#define</SPAN><SPAN 
style="COLOR: #000000">&nbsp;uint&nbsp;unsigned&nbsp;int</SPAN><SPAN 
style="COLOR: #000000"><BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;&nbsp;9</SPAN><SPAN style="COLOR: #000000"><IMG 
alt="" src="单片机练习 - 使用1602LCD显示DS18B20的温度值 - 让生活Web个够 - 博客园_files/None.gif" 
align=top>sbit&nbsp;dula&nbsp;</SPAN><SPAN style="COLOR: #000000">=</SPAN><SPAN 
style="COLOR: #000000">&nbsp;P2</SPAN><SPAN style="COLOR: #000000">^</SPAN><SPAN 
style="COLOR: #000000">6</SPAN><SPAN style="COLOR: #000000">;<BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;10</SPAN><SPAN style="COLOR: #000000"><IMG alt="" 
src="单片机练习 - 使用1602LCD显示DS18B20的温度值 - 让生活Web个够 - 博客园_files/None.gif" 
align=top>sbit&nbsp;wela&nbsp;</SPAN><SPAN style="COLOR: #000000">=</SPAN><SPAN 
style="COLOR: #000000">&nbsp;P2</SPAN><SPAN style="COLOR: #000000">^</SPAN><SPAN 
style="COLOR: #000000">7</SPAN><SPAN style="COLOR: #000000">;<BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;11</SPAN><SPAN style="COLOR: #000000"><IMG alt="" 
src="单片机练习 - 使用1602LCD显示DS18B20的温度值 - 让生活Web个够 - 博客园_files/None.gif" 
align=top><BR></SPAN><SPAN style="COLOR: #008080">&nbsp;12</SPAN><SPAN 
style="COLOR: #000000"><IMG alt="" 
src="单片机练习 - 使用1602LCD显示DS18B20的温度值 - 让生活Web个够 - 博客园_files/None.gif" 
align=top>sbit&nbsp;RS&nbsp;</SPAN><SPAN style="COLOR: #000000">=</SPAN><SPAN 
style="COLOR: #000000">&nbsp;P3</SPAN><SPAN style="COLOR: #000000">^</SPAN><SPAN 
style="COLOR: #000000">5</SPAN><SPAN 
style="COLOR: #000000">;&nbsp;&nbsp;&nbsp;&nbsp;</SPAN><SPAN 
style="COLOR: #008000">//</SPAN><SPAN 
style="COLOR: #008000">数据/命令选择端(H/L)</SPAN><SPAN 
style="COLOR: #008000"><BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;13</SPAN><SPAN style="COLOR: #008000"><IMG alt="" 
src="单片机练习 - 使用1602LCD显示DS18B20的温度值 - 让生活Web个够 - 博客园_files/None.gif" 
align=top></SPAN><SPAN style="COLOR: #000000">sbit&nbsp;LCDEN&nbsp;</SPAN><SPAN 
style="COLOR: #000000">=</SPAN><SPAN style="COLOR: #000000">&nbsp;P3</SPAN><SPAN 
style="COLOR: #000000">^</SPAN><SPAN style="COLOR: #000000">4</SPAN><SPAN 
style="COLOR: #000000">;&nbsp;</SPAN><SPAN style="COLOR: #008000">//</SPAN><SPAN 
style="COLOR: #008000">使能端</SPAN><SPAN style="COLOR: #008000"><BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;14</SPAN><SPAN style="COLOR: #008000"><IMG alt="" 
src="单片机练习 - 使用1602LCD显示DS18B20的温度值 - 让生活Web个够 - 博客园_files/None.gif" 
align=top></SPAN><SPAN style="COLOR: #000000"><BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;15</SPAN><SPAN style="COLOR: #000000"><IMG alt="" 
src="单片机练习 - 使用1602LCD显示DS18B20的温度值 - 让生活Web个够 - 博客园_files/None.gif" 
align=top></SPAN><SPAN style="COLOR: #0000ff">void</SPAN><SPAN 
style="COLOR: #000000">&nbsp;delayUs()<BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;16</SPAN><SPAN style="COLOR: #000000"><IMG 
id=Codehighlighter1_304_316_Open_Image 
onclick="this.style.display='none'; Codehighlighter1_304_316_Open_Text.style.display='none'; Codehighlighter1_304_316_Closed_Image.style.display='inline'; Codehighlighter1_304_316_Closed_Text.style.display='inline';" 
alt="" 
src="单片机练习 - 使用1602LCD显示DS18B20的温度值 - 让生活Web个够 - 博客园_files/ExpandedBlockStart.gif" 
align=top><IMG id=Codehighlighter1_304_316_Closed_Image style="DISPLAY: none" 
onclick="this.style.display='none'; Codehighlighter1_304_316_Closed_Text.style.display='none'; Codehighlighter1_304_316_Open_Image.style.display='inline'; Codehighlighter1_304_316_Open_Text.style.display='inline';" 
alt="" 
src="单片机练习 - 使用1602LCD显示DS18B20的温度值 - 让生活Web个够 - 博客园_files/ContractedBlock.gif" 
align=top></SPAN><SPAN id=Codehighlighter1_304_316_Closed_Text 
style="BORDER-RIGHT: #808080 1px solid; BORDER-TOP: #808080 1px solid; DISPLAY: none; BORDER-LEFT: #808080 1px solid; BORDER-BOTTOM: #808080 1px solid; BACKGROUND-COLOR: #ffffff"><IMG 
alt="" 
src="单片机练习 - 使用1602LCD显示DS18B20的温度值 - 让生活Web个够 - 博客园_files/dot.gif"></SPAN><SPAN 
id=Codehighlighter1_304_316_Open_Text><SPAN 
style="COLOR: #000000">{<BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;17</SPAN><SPAN style="COLOR: #000000"><IMG alt="" 
src="单片机练习 - 使用1602LCD显示DS18B20的温度值 - 让生活Web个够 - 博客园_files/InBlock.gif" 
align=top>&nbsp;&nbsp;&nbsp;&nbsp;_nop_();<BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;18</SPAN><SPAN style="COLOR: #000000"><IMG alt="" 
src="单片机练习 - 使用1602LCD显示DS18B20的温度值 - 让生活Web个够 - 博客园_files/ExpandedBlockEnd.gif" 
align=top>}</SPAN></SPAN><SPAN style="COLOR: #000000"><BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;19</SPAN><SPAN style="COLOR: #000000"><IMG alt="" 
src="单片机练习 - 使用1602LCD显示DS18B20的温度值 - 让生活Web个够 - 博客园_files/None.gif" 
align=top><BR></SPAN><SPAN style="COLOR: #008080">&nbsp;20</SPAN><SPAN 
style="COLOR: #000000"><IMG alt="" 
src="单片机练习 - 使用1602LCD显示DS18B20的温度值 - 让生活Web个够 - 博客园_files/None.gif" 
align=top></SPAN><SPAN style="COLOR: #0000ff">void</SPAN><SPAN 
style="COLOR: #000000">&nbsp;delayMs(</SPAN><SPAN 
style="COLOR: #0000ff">uint</SPAN><SPAN 
style="COLOR: #000000">&nbsp;a)<BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;21</SPAN><SPAN style="COLOR: #000000"><IMG 
id=Codehighlighter1_340_406_Open_Image 
onclick="this.style.display='none'; Codehighlighter1_340_406_Open_Text.style.display='none'; Codehighlighter1_340_406_Closed_Image.style.display='inline'; Codehighlighter1_340_406_Closed_Text.style.display='inline';" 
alt="" 
src="单片机练习 - 使用1602LCD显示DS18B20的温度值 - 让生活Web个够 - 博客园_files/ExpandedBlockStart.gif" 
align=top><IMG id=Codehighlighter1_340_406_Closed_Image style="DISPLAY: none" 
onclick="this.style.display='none'; Codehighlighter1_340_406_Closed_Text.style.display='none'; Codehighlighter1_340_406_Open_Image.style.display='inline'; Codehighlighter1_340_406_Open_Text.style.display='inline';" 
alt="" 
src="单片机练习 - 使用1602LCD显示DS18B20的温度值 - 让生活Web个够 - 博客园_files/ContractedBlock.gif" 
align=top></SPAN><SPAN id=Codehighlighter1_340_406_Closed_Text 
style="BORDER-RIGHT: #808080 1px solid; BORDER-TOP: #808080 1px solid; DISPLAY: none; BORDER-LEFT: #808080 1px solid; BORDER-BOTTOM: #808080 1px solid; BACKGROUND-COLOR: #ffffff"><IMG 
alt="" 
src="单片机练习 - 使用1602LCD显示DS18B20的温度值 - 让生活Web个够 - 博客园_files/dot.gif"></SPAN><SPAN 
id=Codehighlighter1_340_406_Open_Text><SPAN 
style="COLOR: #000000">{<BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;22</SPAN><SPAN style="COLOR: #000000"><IMG alt="" 
src="单片机练习 - 使用1602LCD显示DS18B20的温度值 - 让生活Web个够 - 博客园_files/InBlock.gif" 
align=top>&nbsp;&nbsp;&nbsp;&nbsp;</SPAN><SPAN 
style="COLOR: #0000ff">uint</SPAN><SPAN 
style="COLOR: #000000">&nbsp;i,&nbsp;j;<BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;23</SPAN><SPAN style="COLOR: #000000"><IMG alt="" 
src="单片机练习 - 使用1602LCD显示DS18B20的温度值 - 让生活Web个够 - 博客园_files/InBlock.gif" 
align=top>&nbsp;&nbsp;&nbsp;&nbsp;</SPAN><SPAN 
style="COLOR: #0000ff">for</SPAN><SPAN 
style="COLOR: #000000">(i&nbsp;</SPAN><SPAN style="COLOR: #000000">=</SPAN><SPAN 
style="COLOR: #000000">&nbsp;a;&nbsp;i&nbsp;</SPAN><SPAN 
style="COLOR: #000000">&gt;</SPAN><SPAN 
style="COLOR: #000000">&nbsp;</SPAN><SPAN style="COLOR: #000000">0</SPAN><SPAN 
style="COLOR: #000000">;&nbsp;i</SPAN><SPAN 
style="COLOR: #000000">--</SPAN><SPAN style="COLOR: #000000">)<BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;24</SPAN><SPAN style="COLOR: #000000"><IMG alt="" 
src="单片机练习 - 使用1602LCD显示DS18B20的温度值 - 让生活Web个够 - 博客园_files/InBlock.gif" 
align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</SPAN><SPAN 
style="COLOR: #0000ff">for</SPAN><SPAN 
style="COLOR: #000000">(j&nbsp;</SPAN><SPAN style="COLOR: #000000">=</SPAN><SPAN 
style="COLOR: #000000">&nbsp;</SPAN><SPAN style="COLOR: #000000">100</SPAN><SPAN 
style="COLOR: #000000">;&nbsp;j&nbsp;</SPAN><SPAN 
style="COLOR: #000000">&gt;</SPAN><SPAN 
style="COLOR: #000000">&nbsp;</SPAN><SPAN style="COLOR: #000000">0</SPAN><SPAN 
style="COLOR: #000000">;&nbsp;j</SPAN><SPAN 
style="COLOR: #000000">--</SPAN><SPAN style="COLOR: #000000">);<BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;25</SPAN><SPAN style="COLOR: #000000"><IMG alt="" 
src="单片机练习 - 使用1602LCD显示DS18B20的温度值 - 让生活Web个够 - 博客园_files/ExpandedBlockEnd.gif" 
align=top>}</SPAN></SPAN><SPAN style="COLOR: #000000"><BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;26</SPAN><SPAN style="COLOR: #000000"><IMG alt="" 
src="单片机练习 - 使用1602LCD显示DS18B20的温度值 - 让生活Web个够 - 博客园_files/None.gif" 
align=top><BR></SPAN><SPAN style="COLOR: #008080">&nbsp;27</SPAN><SPAN 
style="COLOR: #000000"><IMG alt="" 
src="单片机练习 - 使用1602LCD显示DS18B20的温度值 - 让生活Web个够 - 博客园_files/None.gif" 
align=top></SPAN><SPAN style="COLOR: #008000">//</SPAN><SPAN 
style="COLOR: #008000">第一行开始地址为0x80,&nbsp;第二行开始地址为0xc0;<BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;28</SPAN><SPAN style="COLOR: #008000"><IMG alt="" 
src="单片机练习 - 使用1602LCD显示DS18B20的温度值 - 让生活Web个够 - 博客园_files/None.gif" 
align=top></SPAN><SPAN style="COLOR: #008000">//</SPAN><SPAN 
style="COLOR: #008000">写命令:RS=0,&nbsp;RW=0;</SPAN><SPAN 
style="COLOR: #008000"><BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;29</SPAN><SPAN style="COLOR: #008000"><IMG alt="" 
src="单片机练习 - 使用1602LCD显示DS18B20的温度值 - 让生活Web个够 - 博客园_files/None.gif" 
align=top></SPAN><SPAN style="COLOR: #0000ff">void</SPAN><SPAN