📄 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
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style="COLOR: #000000"> writeComm(</SPAN><SPAN
style="COLOR: #000000">0x0c</SPAN><SPAN
style="COLOR: #000000">); </SPAN><SPAN
style="COLOR: #008000">//</SPAN><SPAN
style="COLOR: #008000">开显示, 关光标</SPAN><SPAN
style="COLOR: #008000"><BR></SPAN><SPAN
style="COLOR: #008080"> 63</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/InBlock.gif"
align=top></SPAN><SPAN
style="COLOR: #000000"> writeComm(</SPAN><SPAN
style="COLOR: #000000">0x06</SPAN><SPAN
style="COLOR: #000000">); </SPAN><SPAN
style="COLOR: #008000">//</SPAN><SPAN
style="COLOR: #008000">写字符后地址加1, 光标加1</SPAN><SPAN
style="COLOR: #008000"><BR></SPAN><SPAN
style="COLOR: #008080"> 64</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/InBlock.gif"
align=top></SPAN><SPAN
style="COLOR: #000000"> writeComm(</SPAN><SPAN
style="COLOR: #000000">0x01</SPAN><SPAN
style="COLOR: #000000">); </SPAN><SPAN
style="COLOR: #008000">//</SPAN><SPAN style="COLOR: #008000">清屏</SPAN><SPAN
style="COLOR: #008000"><BR></SPAN><SPAN
style="COLOR: #008080"> 65</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/ExpandedBlockEnd.gif"
align=top></SPAN><SPAN style="COLOR: #000000">}</SPAN></SPAN><SPAN
style="COLOR: #000000"><BR></SPAN><SPAN
style="COLOR: #008080"> 66</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"> 67</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"> writeString(uchar </SPAN><SPAN
style="COLOR: #000000">*</SPAN><SPAN
style="COLOR: #000000"> str, uchar length)<BR></SPAN><SPAN
style="COLOR: #008080"> 68</SPAN><SPAN style="COLOR: #000000"><IMG
id=Codehighlighter1_1168_1236_Open_Image
onclick="this.style.display='none'; Codehighlighter1_1168_1236_Open_Text.style.display='none'; Codehighlighter1_1168_1236_Closed_Image.style.display='inline'; Codehighlighter1_1168_1236_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_1168_1236_Closed_Image style="DISPLAY: none"
onclick="this.style.display='none'; Codehighlighter1_1168_1236_Closed_Text.style.display='none'; Codehighlighter1_1168_1236_Open_Image.style.display='inline'; Codehighlighter1_1168_1236_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_1168_1236_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_1168_1236_Open_Text><SPAN
style="COLOR: #000000">{<BR></SPAN><SPAN
style="COLOR: #008080"> 69</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> uchar i;<BR></SPAN><SPAN
style="COLOR: #008080"> 70</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> </SPAN><SPAN
style="COLOR: #0000ff">for</SPAN><SPAN
style="COLOR: #000000">(i </SPAN><SPAN style="COLOR: #000000">=</SPAN><SPAN
style="COLOR: #000000"> </SPAN><SPAN style="COLOR: #000000">0</SPAN><SPAN
style="COLOR: #000000">; i </SPAN><SPAN
style="COLOR: #000000"><</SPAN><SPAN
style="COLOR: #000000"> length; i</SPAN><SPAN
style="COLOR: #000000">++</SPAN><SPAN style="COLOR: #000000">)<BR></SPAN><SPAN
style="COLOR: #008080"> 71</SPAN><SPAN style="COLOR: #000000"><IMG
id=Codehighlighter1_1210_1234_Open_Image
onclick="this.style.display='none'; Codehighlighter1_1210_1234_Open_Text.style.display='none'; Codehighlighter1_1210_1234_Closed_Image.style.display='inline'; Codehighlighter1_1210_1234_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/ExpandedSubBlockStart.gif"
align=top><IMG id=Codehighlighter1_1210_1234_Closed_Image style="DISPLAY: none"
onclick="this.style.display='none'; Codehighlighter1_1210_1234_Closed_Text.style.display='none'; Codehighlighter1_1210_1234_Open_Image.style.display='inline'; Codehighlighter1_1210_1234_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/ContractedSubBlock.gif"
align=top> </SPAN><SPAN
id=Codehighlighter1_1210_1234_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_1210_1234_Open_Text><SPAN
style="COLOR: #000000">{<BR></SPAN><SPAN
style="COLOR: #008080"> 72</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> writeData(str[i]);<BR></SPAN><SPAN
style="COLOR: #008080"> 73</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/ExpandedSubBlockEnd.gif"
align=top> }</SPAN></SPAN><SPAN
style="COLOR: #000000"><BR></SPAN><SPAN
style="COLOR: #008080"> 74</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"> 75</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"> 76</SPAN><SPAN
style="COLOR: #000000"><IMG id=Codehighlighter1_1239_1307_Open_Image
onclick="this.style.display='none'; Codehighlighter1_1239_1307_Open_Text.style.display='none'; Codehighlighter1_1239_1307_Closed_Image.style.display='inline'; Codehighlighter1_1239_1307_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_1239_1307_Closed_Image style="DISPLAY: none"
onclick="this.style.display='none'; Codehighlighter1_1239_1307_Closed_Text.style.display='none'; Codehighlighter1_1239_1307_Open_Image.style.display='inline'; Codehighlighter1_1239_1307_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_1239_1307_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">/**/</SPAN><SPAN
id=Codehighlighter1_1239_1307_Open_Text><SPAN
style="COLOR: #008000">/*</SPAN><SPAN
style="COLOR: #008000">****************************DS18B20******************************</SPAN><SPAN
style="COLOR: #008000">*/</SPAN></SPAN><SPAN
style="COLOR: #000000"><BR></SPAN><SPAN
style="COLOR: #008080"> 77</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 ds </SPAN><SPAN style="COLOR: #000000">=</SPAN><SPAN
style="COLOR: #000000"> P2</SPAN><SPAN style="COLOR: #000000">^</SPAN><SPAN
style="COLOR: #000000">2</SPAN><SPAN style="COLOR: #000000">;<BR></SPAN><SPAN
style="COLOR: #008080"> 78</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">初始化DS18B20<BR></SPAN><SPAN
style="COLOR: #008080"> 79</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">让DS18B20一段相对长时间低电平, 然后一段相对非常短时间高电平, 即可启动</SPAN><SPAN
style="COLOR: #008000"><BR></SPAN><SPAN
style="COLOR: #008080"> 80</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
style="COLOR: #000000"> dsInit()<BR></SPAN><SPAN
style="COLOR: #008080"> 81</SPAN><SPAN style="COLOR: #000000"><IMG
id=Codehighlighter1_1395_1592_Open_Image
onclick="this.style.display='none'; Codehighlighter1_1395_1592_Open_Text.style.display='none'; Codehighlighter1_1395_1592_Closed_Image.style.display='inline'; Codehighlighter1_1395_1592_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_1395_1592_Closed_Image style="DISPLAY: none"
onclick="this.style.display='none'; Codehighlighter1_1395_1592_Closed_Text.style.display='none'; Codehighlighter1_1395_1592_Open_Image.style.display='inline'; Codehighlighter1_1395_1592_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_1395_1592_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_1395_1592_Open_Text><SPAN
style="COLOR: #000000">{<BR></SPAN><SPAN
style="COLOR: #008080"> 82</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> </SPAN><SPAN
style="COLOR: #008000">//</SPAN><SPAN
style="COLOR: #008000">对于11.0592MHz时钟, unsigned int型的i, 作一个i++操作的时间大于为8us</SPAN><SPAN
style="COLOR: #008000"><BR></SPAN><SPAN
style="COLOR: #008080"> 83</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/InBlock.gif"
align=top></SPAN><SPAN
style="COLOR: #000000"> unsigned </SPAN><SPAN
style="COLOR: #0000ff">int</SPAN><SPAN
style="COLOR: #000000"> i; <BR></SPAN><SPAN
style="COLOR: #008080"> 84</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> ds </SPAN><SPAN
style="COLOR: #000000">=</SPAN><SPAN style="COLOR: #000000"> </SPAN><SPAN
style="COLOR: #000000">0</SPAN><SPAN style="COLOR: #000000">;<BR></SPAN><SPAN
style="COLOR: #008080"> 85</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> i </SPAN><SPAN
style="COLOR: #000000">=</SPAN><SPAN style="COLOR: #000000"> </SPAN><SPAN
style="COLOR: #000000">100</SPAN><SPAN
style="COLOR: #000000">; </SPAN><SPAN
style="COLOR: #008000">//</SPAN><SPAN
style="COLOR: #008000">拉低约800us, 符合协议要求的480us以上</SPAN><SPAN
style="COLOR: #008000"><BR></SPAN><SPAN
style="COLOR: #008080"> 86</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/InBlock.gif"
align=top></SPAN><SPAN
style="COLOR: #000000"> </SPAN><SPAN
style="COLOR: #0000ff">while</SPAN><SPAN style="COLOR: #000000">(i</SPAN><SPAN
style="COLOR: #000000">></SPAN><SPAN style="COLOR: #000000">0</SPAN><SPAN
style="COLOR: #000000">) i</SPAN><SPAN
style="COLOR: #000000">--</SPAN><SPAN style="COLOR: #000000">;<BR></SPAN><SPAN
style="COLOR: #008080"> 87</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> ds </SPAN><SPAN
style="COLOR: #000000">=</SPAN><SPAN style="COLOR: #000000"> </SPAN><SPAN
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