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📄 mega8学习笔记（10_3_2）-------cocoguojia　原创--单片机实验室－－－－－嘉哥.htm

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1234 
                        style="FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><FONT 
                        face="Times New Roman">u8 
                        read(void)<o:p></o:p></FONT></SPAN></P>
                        <P class=MsoNormal 
                        style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" 
                        align=left><SPAN lang=EN-US 
                        style="FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><FONT 
                        face="Times New Roman">{<o:p></o:p></FONT></SPAN></P>
                        <P class=MsoNormal 
                        style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" 
                        align=left><SPAN lang=EN-US 
                        style="FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><FONT 
                        face="Times New Roman"><SPAN 
                        style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
                        </SPAN>u8 r_data=0,i;<o:p></o:p></FONT></SPAN></P>
                        <P class=MsoNormal 
                        style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" 
                        align=left><SPAN lang=EN-US 
                        style="FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><FONT 
                        face="Times New Roman"><SPAN 
                        style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
                        </SPAN>SDA_HIGHT;<o:p></o:p></FONT></SPAN></P>
                        <P class=MsoNormal 
                        style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" 
                        align=left><SPAN lang=EN-US 
                        style="FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><FONT 
                        face="Times New Roman"><SPAN 
                        style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
                        </SPAN>for(i=0;i&lt;=7;i++)<o:p></o:p></FONT></SPAN></P>
                        <P class=MsoNormal 
                        style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" 
                        align=left><SPAN lang=EN-US 
                        style="FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><FONT 
                        face="Times New Roman"><SPAN 
                        style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
                        </SPAN>{<o:p></o:p></FONT></SPAN></P>
                        <P class=MsoNormal 
                        style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" 
                        align=left><SPAN lang=EN-US 
                        style="FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><FONT 
                        face="Times New Roman"><SPAN 
                        style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
                        </SPAN><o:p></o:p></FONT></SPAN></P>
                        <P class=MsoNormal 
                        style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" 
                        align=left><SPAN lang=EN-US 
                        style="FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><FONT 
                        face="Times New Roman"><SPAN 
                        style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
                        </SPAN>SCL_HIGHT;<o:p></o:p></FONT></SPAN></P>
                        <P class=MsoNormal 
                        style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" 
                        align=left><SPAN lang=EN-US 
                        style="FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><FONT 
                        face="Times New Roman"><SPAN 
                        style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
                        </SPAN>if(SDA_INPUT==1)<o:p></o:p></FONT></SPAN></P>
                        <P class=MsoNormal 
                        style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" 
                        align=left><SPAN lang=EN-US 
                        style="FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><FONT 
                        face="Times New Roman"><SPAN 
                        style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
                        </SPAN>{<o:p></o:p></FONT></SPAN></P>
                        <P class=MsoNormal 
                        style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" 
                        align=left><SPAN lang=EN-US 
                        style="FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><FONT 
                        face="Times New Roman"><SPAN 
                        style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
                        </SPAN>r_data++;<SPAN style="mso-spacerun: yes">&nbsp; 
                        </SPAN><o:p></o:p></FONT></SPAN></P>
                        <P class=MsoNormal 
                        style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" 
                        align=left><SPAN lang=EN-US 
                        style="FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><FONT 
                        face="Times New Roman"><SPAN 
                        style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
                        </SPAN>}<o:p></o:p></FONT></SPAN></P>
                        <P class=MsoNormal 
                        style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" 
                        align=left><SPAN lang=EN-US 
                        style="FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><FONT 
                        face="Times New Roman"><SPAN 
                        style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
                        </SPAN>else<o:p></o:p></FONT></SPAN></P>
                        <P class=MsoNormal 
                        style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" 
                        align=left><SPAN lang=EN-US 
                        style="FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><FONT 
                        face="Times New Roman"><SPAN 
                        style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
                        </SPAN>{<o:p></o:p></FONT></SPAN></P>
                        <P class=MsoNormal 
                        style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" 
                        align=left><SPAN lang=EN-US 
                        style="FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><FONT 
                        face="Times New Roman"><SPAN 
                        style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
                        </SPAN>;<o:p></o:p></FONT></SPAN></P>
                        <P class=MsoNormal 
                        style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" 
                        align=left><SPAN lang=EN-US 
                        style="FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><FONT 
                        face="Times New Roman"><SPAN 
                        style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
                        </SPAN>}<o:p></o:p></FONT></SPAN></P>
                        <P class=MsoNormal 
                        style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" 
                        align=left><SPAN lang=EN-US 
                        style="FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><FONT 
                        face="Times New Roman"><SPAN 
                        style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
                        </SPAN>if(i!=7)<SPAN 
                        style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
                        </SPAN><SPAN 
                        style="mso-spacerun: yes">&nbsp;</SPAN>//***********</FONT></SPAN><SPAN 
                        style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">注意</SPAN><SPAN 
                        lang=EN-US 
                        style="FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><FONT 
                        face="Times New Roman">************<o:p></o:p></FONT></SPAN></P>
                        <P class=MsoNormal 
                        style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" 
                        align=left><SPAN lang=EN-US 
                        style="FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><FONT 
                        face="Times New Roman"><SPAN 
                        style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
                        </SPAN>{<o:p></o:p></FONT></SPAN></P>
                        <P class=MsoNormal 
                        style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" 
                        align=left><SPAN lang=EN-US 
                        style="FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><FONT 
                        face="Times New Roman"><SPAN 
                        style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
                        </SPAN>r_data&lt;&lt;=1;<SPAN 
                        style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
                        </SPAN><o:p></o:p></FONT></SPAN></P>
                        <P class=MsoNormal 
                        style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" 
                        align=left><SPAN lang=EN-US 
                        style="FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><FONT 
                        face="Times New Roman"><SPAN 
                        style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
                        </SPAN>}<SPAN 
                        style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp; 
                        </SPAN><o:p></o:p></FONT></SPAN></P>
                        <P class=MsoNormal 
                        style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" 
                        align=left><SPAN lang=EN-US 
                        style="FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><FONT 
                        face="Times New Roman"><SPAN 
                        style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
                        </SPAN><SPAN 
                        style="mso-spacerun: yes">&nbsp;</SPAN>SCL_LOW;<o:p></o:p></FONT></SPAN></P>
                        <P class=MsoNormal 
                        style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" 
                        align=left><SPAN lang=EN-US 
                        style="FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><FONT 
                        face="Times New Roman"><SPAN 
                        style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
                        </SPAN>} <o:p></o:p></FONT></SPAN></P>
                        <P class=MsoNormal 
                        style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" 
                        align=left><SPAN lang=EN-US 
                        style="FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><FONT 
                        face="Times New Roman"><SPAN 
                        style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
                        </SPAN>send_ack(0);<o:p></o:p></FONT></SPAN></P>
                        <P class=MsoNormal 
                        style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" 
                        align=left><SPAN lang=EN-US 
                        style="FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><FONT 
                        face="Times New Roman"><SPAN 
                        style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
                        </SPAN>return r_data;<o:p></o:p></FONT></SPAN></P>
                        <P class=MsoNormal 
                        style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" 
                        align=left><SPAN lang=EN-US 
                        style="FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><FONT 
                        face="Times New Roman">}<o:p></o:p></FONT></SPAN></P>
                        <P class=MsoNormal 
                        style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" 
                        align=left><SPAN lang=EN-US 
                        style="FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><FONT 
                        face="Times New Roman"><SPAN 
                        style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
                        </SPAN><o:p></o:p></FONT></SPAN></P>
                        <P class=MsoNormal 
                        style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" 
                        align=left><SPAN lang=EN-US 
                        style="FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><FONT 
                        face="Times New Roman">void 
                        main(void)<o:p></o:p></FONT></SPAN></P>
                        <P class=MsoNormal 
                        style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" 
                        align=left><SPAN lang=EN-US 
                        style="FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><FONT 
                        face="Times New Roman">{<o:p></o:p></FONT></SPAN></P>
                        <P class=MsoNormal 
                        style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" 
                        align=left><SPAN lang=EN-US 
                        style="FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><FONT 
                        face="Times New Roman"><SPAN 
                        style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
                        </SPAN>init();<o:p></o:p></FONT></SPAN></P>
                        <P class=MsoNormal 
                        style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" 
                        align=left><SPAN lang=EN-US 
                        style="FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><FONT 
                        face="Times New Roman"><SPAN 
                        style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
                        </SPAN><o:p></o:p></FONT></SPAN></P>
                        <P class=MsoNormal 
                        style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" 
                        align=left><SPAN lang=EN-US 
                        style="FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><FONT 
                        face="Times New Roman"><SPAN 
                        style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
                        </SPAN>start();<o:p></o:p></FONT></SPAN></P>
                        <P class=MsoNormal 
                        style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" 
                        align=left><SPAN lang=EN-US 
                        style="FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><FONT 
                        face="Times New Roman"><SPAN 
                        style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
                        </SPAN>write(0xa0);<o:p></o:p></FONT></SPAN></P>
                        <P class=MsoNormal 
                        style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" 
                        align=left><SPAN lang=EN-US 
                        style="FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体"><FONT 
                        face="Times New Roman"><SPAN 
                        style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
1234

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