📄 mega8学习笔记（6）-------cocoguojia 原创--单片机实验室－－－－－嘉哥.htm
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face="Times New Roman"> </FONT></o:p></SPAN></P>
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lang=EN-US><o:p><FONT
face="Times New Roman"> </FONT></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
lang=EN-US><FONT face="Times New Roman">void
main(void)</FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
lang=EN-US><FONT
face="Times New Roman">{</FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
lang=EN-US><FONT face="Times New Roman"><SPAN
style="mso-spacerun: yes">
</SPAN>init();</FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
lang=EN-US><FONT face="Times New Roman"><SPAN
style="mso-spacerun: yes">
</SPAN>while(1)</FONT></SPAN></P>
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style="mso-spacerun: yes">
</SPAN>{</FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
lang=EN-US><FONT face="Times New Roman"><SPAN
style="mso-spacerun: yes">
</SPAN>PORTB.0=1 ;<SPAN
style="mso-spacerun: yes">
</SPAN></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
lang=EN-US><FONT face="Times New Roman"><SPAN
style="mso-spacerun: yes">
</SPAN>}</FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
lang=EN-US><FONT
face="Times New Roman">}</FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
lang=EN-US><o:p><FONT
face="Times New Roman"> </FONT></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
lang=EN-US><FONT
face="Times New Roman">/*</FONT></SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">小记：一开始我在中断利用</SPAN><SPAN
lang=EN-US><FONT face="Times New Roman"><SPAN
style="mso-spacerun: yes"> </SPAN>if(
ACSR&(1<<5)==0x00 ) </FONT></SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">这个语句，但调试结果不对，我就查原因，最中发现我在中断里</SPAN><FONT
face="Times New Roman"> </FONT><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">不管是用</SPAN><SPAN
lang=EN-US><FONT face="Times New Roman"><SPAN
style="mso-spacerun: yes"> </SPAN>if(
ACSR&(1<<5)==0x00 )</FONT></SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">还是</SPAN><SPAN
lang=EN-US><FONT face="Times New Roman"><SPAN
style="mso-spacerun: yes"> </SPAN>if(
ACSR&(1<<5)</FONT></SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">！</SPAN><SPAN
lang=EN-US><FONT face="Times New Roman">=0x00
)</FONT></SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">都不执行</SPAN><SPAN
lang=EN-US><FONT
face="Times New Roman">if</FONT></SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">里的语句，真是无奈了，查看资料说</SPAN><SPAN
lang=EN-US><FONT
face="Times New Roman">ACSR</FONT></SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">的第</SPAN><SPAN
lang=EN-US><FONT
face="Times New Roman">5</FONT></SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">为是只读，对啊，我这个句子就是读它啊，但就是读不出来，不是</SPAN><SPAN
lang=EN-US><FONT
face="Times New Roman">1</FONT></SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">也不是</SPAN><SPAN
lang=EN-US><FONT
face="Times New Roman">0</FONT></SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">，我就纳闷了，难道它是</SPAN><SPAN
lang=EN-US><FONT face="Times New Roman">
0.5------</FONT></SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">狂晕！我到现在还是没查出来原因，若有谁知道，就帮我一下，告诉我其中的原因。用了一上午调试这个，被这个句子绊了</SPAN><SPAN
lang=EN-US><FONT
face="Times New Roman">--------</FONT></SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">非</SPAN><SPAN
lang=EN-US><FONT
face="Times New Roman">1</FONT></SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">非</SPAN><SPAN
lang=EN-US><FONT
face="Times New Roman">0</FONT></SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">（数字量</SPAN><SPAN
lang=EN-US><FONT
face="Times New Roman">---</FONT></SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">瞬时也是非</SPAN><SPAN
lang=EN-US><FONT
face="Times New Roman">1</FONT></SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">非</SPAN><SPAN
lang=EN-US><FONT
face="Times New Roman">0</FONT></SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）的现象还是头一次遇到！！！</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">望高人指点一二，感激</SPAN><SPAN
lang=EN-US><FONT
face="Times New Roman">*/</FONT></SPAN></P></SPAN></TD></TR></TBODY></TABLE>
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<TD
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name=15385></A></STRONG></TD></TR>
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<DIV align=right>[ <SPAN id=t_15385>2008-6-1
19:31:42</SPAN> | By: <SPAN class=style3><SPAN
id=n_15385>大雁(游客)</SPAN></SPAN>
]</DIV></TD></TR></TBODY></TABLE>
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<TD><SPAN class=oblog_text><A
href="http://www.mcublog.com/blog/go.asp?url=http://blog.sina.com.cn/yasiaFly "
target=_blank><IMG class=ob_face height=48 alt=大雁(游客)
src="Mega8学习笔记（6）-------cocoguojia 原创--单片机实验室－－－－－嘉哥.files/ico_default.gif"
width=48 align=absMiddle></A><SPAN id=c_15385>if(
ACSR&(1<<5)==0x00 ) 改成
if((ACSR&(1<<5))==0x00 )
试试<BR>http://blog.sina.com.cn/yasiaFly 多多交流
^_^</SPAN></SPAN></TD></TR></TBODY></TABLE>
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