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📄 单片机练习 - i2c总线协议 - 让生活web个够 - 博客园.htm

📁 AT24c01及DS18B20应用程序,与大家一起分享
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style="COLOR: #000000">=</SPAN><SPAN style="COLOR: #000000">&nbsp;</SPAN><SPAN 
style="COLOR: #000000">1</SPAN><SPAN style="COLOR: #000000">;<BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;61</SPAN><SPAN style="COLOR: #000000"><IMG 
src="单片机练习 - I2C总线协议 - 让生活Web个够 - 博客园_files/InBlock.gif" 
align=top>&nbsp;&nbsp;&nbsp;&nbsp;delay5us();<BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;62</SPAN><SPAN style="COLOR: #000000"><IMG 
src="单片机练习 - I2C总线协议 - 让生活Web个够 - 博客园_files/InBlock.gif" 
align=top>&nbsp;&nbsp;&nbsp;&nbsp;SCL&nbsp;</SPAN><SPAN 
style="COLOR: #000000">=</SPAN><SPAN style="COLOR: #000000">&nbsp;</SPAN><SPAN 
style="COLOR: #000000">0</SPAN><SPAN style="COLOR: #000000">;<BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;63</SPAN><SPAN style="COLOR: #000000"><IMG 
src="单片机练习 - I2C总线协议 - 让生活Web个够 - 博客园_files/InBlock.gif" 
align=top>&nbsp;&nbsp;&nbsp;&nbsp;SDA&nbsp;</SPAN><SPAN 
style="COLOR: #000000">=</SPAN><SPAN style="COLOR: #000000">&nbsp;</SPAN><SPAN 
style="COLOR: #000000">1</SPAN><SPAN style="COLOR: #000000">;<BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;64</SPAN><SPAN style="COLOR: #000000"><IMG 
src="单片机练习 - I2C总线协议 - 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;65</SPAN><SPAN style="COLOR: #000000"><IMG 
src="单片机练习 - I2C总线协议 - 让生活Web个够 - 博客园_files/None.gif" align=top><BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;66</SPAN><SPAN style="COLOR: #000000"><IMG 
src="单片机练习 - I2C总线协议 - 让生活Web个够 - 博客园_files/None.gif" align=top></SPAN><SPAN 
style="COLOR: #008000">//</SPAN><SPAN style="COLOR: #008000">发送非应答</SPAN><SPAN 
style="COLOR: #008000"><BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;67</SPAN><SPAN style="COLOR: #008000"><IMG 
src="单片机练习 - I2C总线协议 - 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;nack()<BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;68</SPAN><SPAN style="COLOR: #000000"><IMG 
id=Codehighlighter1_874_919_Open_Image 
onclick="this.style.display='none'; Codehighlighter1_874_919_Open_Text.style.display='none'; Codehighlighter1_874_919_Closed_Image.style.display='inline'; Codehighlighter1_874_919_Closed_Text.style.display='inline';" 
src="单片机练习 - I2C总线协议 - 让生活Web个够 - 博客园_files/ExpandedBlockStart.gif" 
align=top><IMG id=Codehighlighter1_874_919_Closed_Image style="DISPLAY: none" 
onclick="this.style.display='none'; Codehighlighter1_874_919_Closed_Text.style.display='none'; Codehighlighter1_874_919_Open_Image.style.display='inline'; Codehighlighter1_874_919_Open_Text.style.display='inline';" 
src="单片机练习 - I2C总线协议 - 让生活Web个够 - 博客园_files/ContractedBlock.gif" 
align=top></SPAN><SPAN id=Codehighlighter1_874_919_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 
src="单片机练习 - I2C总线协议 - 让生活Web个够 - 博客园_files/dot.gif"></SPAN><SPAN 
id=Codehighlighter1_874_919_Open_Text><SPAN 
style="COLOR: #000000">{<BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;69</SPAN><SPAN style="COLOR: #000000"><IMG 
src="单片机练习 - I2C总线协议 - 让生活Web个够 - 博客园_files/InBlock.gif" 
align=top>&nbsp;&nbsp;&nbsp;&nbsp;SDA&nbsp;</SPAN><SPAN 
style="COLOR: #000000">=</SPAN><SPAN style="COLOR: #000000">&nbsp;</SPAN><SPAN 
style="COLOR: #000000">1</SPAN><SPAN style="COLOR: #000000">;<BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;70</SPAN><SPAN style="COLOR: #000000"><IMG 
src="单片机练习 - I2C总线协议 - 让生活Web个够 - 博客园_files/InBlock.gif" 
align=top>&nbsp;&nbsp;&nbsp;&nbsp;SCL&nbsp;</SPAN><SPAN 
style="COLOR: #000000">=</SPAN><SPAN style="COLOR: #000000">&nbsp;</SPAN><SPAN 
style="COLOR: #000000">1</SPAN><SPAN style="COLOR: #000000">;<BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;71</SPAN><SPAN style="COLOR: #000000"><IMG 
src="单片机练习 - I2C总线协议 - 让生活Web个够 - 博客园_files/InBlock.gif" 
align=top>&nbsp;&nbsp;&nbsp;&nbsp;delay5us();<BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;72</SPAN><SPAN style="COLOR: #000000"><IMG 
src="单片机练习 - I2C总线协议 - 让生活Web个够 - 博客园_files/InBlock.gif" 
align=top>&nbsp;&nbsp;&nbsp;&nbsp;SCL&nbsp;</SPAN><SPAN 
style="COLOR: #000000">=</SPAN><SPAN style="COLOR: #000000">&nbsp;</SPAN><SPAN 
style="COLOR: #000000">0</SPAN><SPAN style="COLOR: #000000">;<BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;73</SPAN><SPAN style="COLOR: #000000"><IMG 
src="单片机练习 - I2C总线协议 - 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;74</SPAN><SPAN style="COLOR: #000000"><IMG 
src="单片机练习 - I2C总线协议 - 让生活Web个够 - 博客园_files/None.gif" align=top><BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;75</SPAN><SPAN style="COLOR: #000000"><IMG 
src="单片机练习 - I2C总线协议 - 让生活Web个够 - 博客园_files/None.gif" align=top></SPAN><SPAN 
style="COLOR: #008000">//</SPAN><SPAN 
style="COLOR: #008000">获取应答,&nbsp;有应答返回0,&nbsp;非应答返回1</SPAN><SPAN 
style="COLOR: #008000"><BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;76</SPAN><SPAN style="COLOR: #008000"><IMG 
src="单片机练习 - I2C总线协议 - 让生活Web个够 - 博客园_files/None.gif" align=top></SPAN><SPAN 
style="COLOR: #000000">bit&nbsp;getAck()<BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;77</SPAN><SPAN style="COLOR: #000000"><IMG 
id=Codehighlighter1_958_1028_Open_Image 
onclick="this.style.display='none'; Codehighlighter1_958_1028_Open_Text.style.display='none'; Codehighlighter1_958_1028_Closed_Image.style.display='inline'; Codehighlighter1_958_1028_Closed_Text.style.display='inline';" 
src="单片机练习 - I2C总线协议 - 让生活Web个够 - 博客园_files/ExpandedBlockStart.gif" 
align=top><IMG id=Codehighlighter1_958_1028_Closed_Image style="DISPLAY: none" 
onclick="this.style.display='none'; Codehighlighter1_958_1028_Closed_Text.style.display='none'; Codehighlighter1_958_1028_Open_Image.style.display='inline'; Codehighlighter1_958_1028_Open_Text.style.display='inline';" 
src="单片机练习 - I2C总线协议 - 让生活Web个够 - 博客园_files/ContractedBlock.gif" 
align=top></SPAN><SPAN id=Codehighlighter1_958_1028_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 
src="单片机练习 - I2C总线协议 - 让生活Web个够 - 博客园_files/dot.gif"></SPAN><SPAN 
id=Codehighlighter1_958_1028_Open_Text><SPAN 
style="COLOR: #000000">{<BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;78</SPAN><SPAN style="COLOR: #000000"><IMG 
src="单片机练习 - I2C总线协议 - 让生活Web个够 - 博客园_files/InBlock.gif" 
align=top>&nbsp;&nbsp;&nbsp;&nbsp;bit&nbsp;flag;<BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;79</SPAN><SPAN style="COLOR: #000000"><IMG 
src="单片机练习 - I2C总线协议 - 让生活Web个够 - 博客园_files/InBlock.gif" 
align=top>&nbsp;&nbsp;&nbsp;&nbsp;SDA&nbsp;</SPAN><SPAN 
style="COLOR: #000000">=</SPAN><SPAN style="COLOR: #000000">&nbsp;</SPAN><SPAN 
style="COLOR: #000000">1</SPAN><SPAN style="COLOR: #000000">;<BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;80</SPAN><SPAN style="COLOR: #000000"><IMG 
src="单片机练习 - I2C总线协议 - 让生活Web个够 - 博客园_files/InBlock.gif" 
align=top>&nbsp;&nbsp;&nbsp;&nbsp;SCL&nbsp;</SPAN><SPAN 
style="COLOR: #000000">=</SPAN><SPAN style="COLOR: #000000">&nbsp;</SPAN><SPAN 
style="COLOR: #000000">1</SPAN><SPAN style="COLOR: #000000">;<BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;81</SPAN><SPAN style="COLOR: #000000"><IMG 
src="单片机练习 - I2C总线协议 - 让生活Web个够 - 博客园_files/InBlock.gif" 
align=top>&nbsp;&nbsp;&nbsp;&nbsp;flag&nbsp;</SPAN><SPAN 
style="COLOR: #000000">=</SPAN><SPAN 
style="COLOR: #000000">&nbsp;SDA;<BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;82</SPAN><SPAN style="COLOR: #000000"><IMG 
src="单片机练习 - I2C总线协议 - 让生活Web个够 - 博客园_files/InBlock.gif" 
align=top>&nbsp;&nbsp;&nbsp;&nbsp;SCL&nbsp;</SPAN><SPAN 
style="COLOR: #000000">=</SPAN><SPAN style="COLOR: #000000">&nbsp;</SPAN><SPAN 
style="COLOR: #000000">0</SPAN><SPAN style="COLOR: #000000">;<BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;83</SPAN><SPAN style="COLOR: #000000"><IMG 
src="单片机练习 - I2C总线协议 - 让生活Web个够 - 博客园_files/InBlock.gif" 
align=top>&nbsp;&nbsp;&nbsp;&nbsp;</SPAN><SPAN 
style="COLOR: #0000ff">return</SPAN><SPAN 
style="COLOR: #000000">&nbsp;flag;<BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;84</SPAN><SPAN style="COLOR: #000000"><IMG 
src="单片机练习 - I2C总线协议 - 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;85</SPAN><SPAN style="COLOR: #000000"><IMG 
src="单片机练习 - I2C总线协议 - 让生活Web个够 - 博客园_files/None.gif" align=top><BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;86</SPAN><SPAN style="COLOR: #000000"><IMG 
src="单片机练习 - I2C总线协议 - 让生活Web个够 - 博客园_files/None.gif" align=top></SPAN><SPAN 
style="COLOR: #008000">//</SPAN><SPAN 
style="COLOR: #008000">发送一字节数据,&nbsp;有应答返回0,&nbsp;非应答返回1</SPAN><SPAN 
style="COLOR: #008000"><BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;87</SPAN><SPAN style="COLOR: #008000"><IMG 
src="单片机练习 - I2C总线协议 - 让生活Web个够 - 博客园_files/None.gif" align=top></SPAN><SPAN 
style="COLOR: #000000">bit&nbsp;sendByte(uchar&nbsp;dat)<BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;88</SPAN><SPAN style="COLOR: #000000"><IMG 
id=Codehighlighter1_1081_1223_Open_Image 
onclick="this.style.display='none'; Codehighlighter1_1081_1223_Open_Text.style.display='none'; Codehighlighter1_1081_1223_Closed_Image.style.display='inline'; Codehighlighter1_1081_1223_Closed_Text.style.display='inline';" 
src="单片机练习 - I2C总线协议 - 让生活Web个够 - 博客园_files/ExpandedBlockStart.gif" 
align=top><IMG id=Codehighlighter1_1081_1223_Closed_Image style="DISPLAY: none" 
onclick="this.style.display='none'; Codehighlighter1_1081_1223_Closed_Text.style.display='none'; Codehighlighter1_1081_1223_Open_Image.style.display='inline'; Codehighlighter1_1081_1223_Open_Text.style.display='inline';" 
src="单片机练习 - I2C总线协议 - 让生活Web个够 - 博客园_files/ContractedBlock.gif" 
align=top></SPAN><SPAN id=Codehighlighter1_1081_1223_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 
src="单片机练习 - I2C总线协议 - 让生活Web个够 - 博客园_files/dot.gif"></SPAN><SPAN 
id=Codehighlighter1_1081_1223_Open_Text><SPAN 
style="COLOR: #000000">{<BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;89</SPAN><SPAN style="COLOR: #000000"><IMG 
src="单片机练习 - I2C总线协议 - 让生活Web个够 - 博客园_files/InBlock.gif" 
align=top>&nbsp;&nbsp;&nbsp;&nbsp;uchar&nbsp;i;<BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;90</SPAN><SPAN style="COLOR: #000000"><IMG 
src="单片机练习 - I2C总线协议 - 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;</SPAN><SPAN style="COLOR: #000000">0</SPAN><SPAN 
style="COLOR: #000000">;&nbsp;i&nbsp;</SPAN><SPAN 
style="COLOR: #000000">&lt;</SPAN><SPAN 
style="COLOR: #000000">&nbsp;</SPAN><SPAN style="COLOR: #000000">8</SPAN><SPAN 
style="COLOR: #000000">;&nbsp;i</SPAN><SPAN 
style="COLOR: #000000">++</SPAN><SPAN style="COLOR: #000000">)<BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;91</SPAN><SPAN style="COLOR: #000000"><IMG 
id=Codehighlighter1_1118_1203_Open_Image 
onclick="this.style.display='none'; Codehighlighter1_1118_1203_Open_Text.style.display='none'; Codehighlighter1_1118_1203_Closed_Image.style.display='inline'; Codehighlighter1_1118_1203_Closed_Text.style.display='inline';" 
src="单片机练习 - I2C总线协议 - 让生活Web个够 - 博客园_files/ExpandedSubBlockStart.gif" 
align=top><IMG id=Codehighlighter1_1118_1203_Closed_Image style="DISPLAY: none" 
onclick="this.style.display='none'; Codehighlighter1_1118_1203_Closed_Text.style.display='none'; Codehighlighter1_1118_1203_Open_Image.style.display='inline'; Codehighlighter1_1118_1203_Open_Text.style.display='inline';" 
src="单片机练习 - I2C总线协议 - 让生活Web个够 - 博客园_files/ContractedSubBlock.gif" 
align=top>&nbsp;&nbsp;&nbsp;&nbsp;</SPAN><SPAN 
id=Codehighlighter1_1118_1203_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 
src="单片机练习 - I2C总线协议 - 让生活Web个够 - 博客园_files/dot.gif"></SPAN><SPAN 
id=Codehighlighter1_1118_1203_Open_Text><SPAN 
style="COLOR: #000000">{<BR></SPAN><SPAN 
style="COLOR: #008080">&nbsp;92</SPAN><SPAN style="COLOR: #000000"><IMG 
src="单片机练习 - I2C总线协议 - 让生活Web个够 - 博客园_files/InBlock.gif" 
align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;dat&nbsp;</SPAN><SPAN 
style="COLOR: #000000">=</SPAN><SPAN 
style="COLOR: #000000">&nbsp;dat&nbsp;</SPAN><SPAN 
style="COLOR: #000000">&lt;&lt;</SPAN><SPAN 
style="COLOR: #000000">&nbsp;</SPAN><SPAN style="COLOR: #000000">1</SPAN><SPAN
12345

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