📄 easy 51pro 的原理与扩充.htm
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<p class=MsoNormal><span lang=EN-US><span style='mso-tab-count:8'> </span></span><span
lang=EN-US style='font-size:22.0pt'>Easy 51Pro </span><span style='font-size:
22.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>的原理与扩充</span><span lang=EN-US style='font-size:22.0pt'><o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:21.0pt'><span style='font-family:宋体;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>这篇文章将让你很快掌握如何扩充</span><span
lang=EN-US>Easy 51Pro</span><span style='font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>对器件的支持。当然首先你必须先了解</span><span
class=SpellE><span lang=EN-US>Keil</span></span><span lang=EN-US> C</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>（如果扩充</span><span lang=EN-US>Easy 51Pro</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>串行编程器）或</span><span lang=EN-US>VC(</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>如果扩充</span><span lang=EN-US>Easy <span class=SpellE>Isp</span></span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>下载线</span><span lang=EN-US>)</span><span style='font-family:
宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>。本文只介绍基本原理，至于串口通讯的细节和程序界面的制作请看源代码，里面有详细的注释。如果你正在学习单片机与</span><span
lang=EN-US>PC</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>的串口通讯，那么这套资料将对你非常有用。</span></p>
<p class=MsoNormal style='text-indent:21.0pt'><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal style='text-indent:21.0pt'><span style='font-family:宋体;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>本人编程水平有限，如果你发现了任何问题，欢迎指正。可以</span><span
lang=EN-US>Email</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>通知我</span><span lang=EN-US>(nie_zq@163.net)</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>。常见问题我会贴在</span><span lang=EN-US><a
href="http://enkj.com/gbook/guestbook.asp?user=digiboy"><span style='font-family:
宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>留言版</span></a></span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>。如果你是真心的想扩充器件，那么我们可以用</span><span lang=EN-US>QQ</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>讨论</span><span lang=EN-US>(QQ</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>3813420)</span><span style='font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>。如果你想用它作为商业用途，请先与本人联系。</span></p>
<p class=MsoNormal style='text-indent:21.0pt'><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal style='text-indent:21.0pt'><span style='font-family:宋体;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>首先介绍一下我常<span
class=GramE>挂在嘴变的</span>“</span><span lang=EN-US>FID</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>FID=</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>Function <span class=SpellE>IDentification</span></span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>”，我</span><span lang=EN-US>E</span><span class=GramE><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>文不是</span></span><span style='font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>很好，所以只能取出个这样的名字。它标识一种器件的编程方法（包括读，写，擦等编程操作）。</span><span
lang=EN-US>AT89C51</span><span style='font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>和</span><span
lang=EN-US>AT89C52,AT89C55</span><span style='font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>的编程方法是一样的，所以可以用同一个</span><span
lang=EN-US>FID</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>，我把他们的</span><span lang=EN-US>FID</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>定义为</span><span lang=EN-US>0</span><span style='font-family:
宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>，还有</span><span
lang=EN-US>AT89CS51</span><span style='font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>与</span><span
lang=EN-US>AT89S52</span><span style='font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>的</span><span
lang=EN-US>FID=2</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>AT89C2051</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>的</span><span lang=EN-US>FID=1</span><span style='font-family:
宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>。编程方法实际上就是控制编程过程的程序吧，</span><span
lang=EN-US>C</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>语言里面的程序不是叫</span><span lang=EN-US>Function</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>吗</span><span lang=EN-US>?</span></p>
<p class=MsoNormal style='text-indent:21.0pt'><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal style='margin-top:0cm;margin-right:1.25pt;margin-bottom:
0cm;margin-left:126.0pt;margin-bottom:.0001pt;mso-para-margin-top:0cm;
mso-para-margin-right:.12gd;mso-para-margin-bottom:0cm;mso-para-margin-left:
126.0pt;mso-para-margin-bottom:.0001pt;text-indent:21.0pt'><span lang=EN-US
style='font-size:22.0pt'>Easy 51Pro</span><span style='font-size:22.0pt;
font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>串行编程器的扩充</span><span lang=EN-US style='font-size:22.0pt'><o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:22.0pt'><span
style='mso-tab-count:1'> </span></span><span
style='mso-bidi-font-size:10.5pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>编程器和上位机能协调的工作肯定是要有个通讯协议的。</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>Easy 51Pro</span><span
style='mso-bidi-font-size:10.5pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>的通讯协议很简单。每次编程操作，上位机发给编程器</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>18</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>个字节，编程<span class=GramE>器完成</span>编程操作后再回应上位机</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>18</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>个字节（读，写过程略有不同，请看源程序）。这</span><span lang=EN-US
style='mso-bidi-font-size:10.5pt'>18</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>个字节是什么东西呢？</span><span lang=EN-US style='mso-bidi-font-size:
10.5pt'><o:p></o:p></span></p>
<div align=center>
<table class=MsoTableGrid border=1 cellspacing=0 cellpadding=0
style='border-collapse:collapse;border:none;mso-border-alt:solid windowtext .5pt;
mso-yfti-tbllook:480;mso-padding-alt:0cm 5.4pt 0cm 5.4pt;mso-border-insideh:
.5pt solid windowtext;mso-border-insidev:.5pt solid windowtext'>
<tr style='mso-yfti-irow:0'>
<td width=143 valign=top style='width:107.6pt;border:solid windowtext 1.0pt;
mso-border-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt'>
<p class=MsoNormal align=center style='text-align:center;tab-stops:right 96.8pt'><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>0<o:p></o:p></span></p>
</td>
<td width=235 valign=top style='width:176.45pt;border:solid windowtext 1.0pt;
border-left:none;mso-border-left-alt:solid windowtext .5pt;mso-border-alt:
solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt'>
<p class=MsoNormal align=center style='text-align:center'><span lang=EN-US
style='mso-bidi-font-size:10.5pt'>1<o:p></o:p></span></p>
</td>
<td width=189 valign=top style='width:142.05pt;border:solid windowtext 1.0pt;
border-left:none;mso-border-left-alt:solid windowtext .5pt;mso-border-alt:
solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt'>
<p class=MsoNormal align=center style='text-align:center'><span lang=EN-US
style='mso-bidi-font-size:10.5pt'>2-17<o:p></o:p></span></p>
</td>
</tr>
<tr style='mso-yfti-irow:1;mso-yfti-lastrow:yes'>
<td width=143 valign=top style='width:107.6pt;border:solid windowtext 1.0pt;
border-top:none;mso-border-top-alt:solid windowtext .5pt;mso-border-alt:solid windowtext .5pt;
padding:0cm 5.4pt 0cm 5.4pt'>
<p class=MsoNormal align=center style='text-align:center'><span
style='mso-bidi-font-size:10.5pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>编程操作的标识</span><span lang=EN-US
style='mso-bidi-font-size:10.5pt'><o:p></o:p></span></p>
</td>
<td width=235 valign=top style='width:176.45pt;border-top:none;border-left:
none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;
mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;
mso-border-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt'>
<p class=MsoNormal align=center style='text-align:center'><span lang=EN-US
style='mso-bidi-font-size:10.5pt'>FID<o:p></o:p></span></p>
</td>
<td width=189 valign=top style='width:142.05pt;border-top:none;border-left:
none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;
mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;
mso-border-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt'>
<p class=MsoNormal align=center style='text-align:center'><span
style='mso-bidi-font-size:10.5pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>该操作相关的数据</span><span lang=EN-US
style='mso-bidi-font-size:10.5pt'><o:p></o:p></span></p>
</td>
</tr>
</table>
</div>
<p class=MsoNormal><span style='mso-bidi-font-size:10.5pt;font-family:宋体;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>编程操作标识是如何定义的？可以从源程序找到答案。</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'><o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='mso-bidi-font-size:10.5pt'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='mso-bidi-font-size:10.5pt'><span
style='mso-tab-count:2'> </span>switch(
<span class=SpellE>ComBuf</span>[0] )<span style='mso-tab-count:2'> </span>//</span><span
style='mso-bidi-font-size:10.5pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>根据操作</span><span lang=EN-US
style='mso-bidi-font-size:10.5pt'>ID</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>跳到不同的操作函数</span><span lang=EN-US style='mso-bidi-font-size:
10.5pt'><o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='mso-bidi-font-size:10.5pt'><span
style='mso-tab-count:2'> </span>{<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='mso-bidi-font-size:10.5pt'><span
style='mso-tab-count:3'> </span><span
class=GramE>case</span> 0x00:<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='mso-bidi-font-size:10.5pt'><span
style='mso-tab-count:4'> </span><span
class=SpellE>RstPro</span>();<span style='mso-tab-count:3'> </span>//</span><span
style='mso-bidi-font-size:10.5pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>编程器复位</span><span lang=EN-US
style='mso-bidi-font-size:10.5pt'><o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='mso-bidi-font-size:10.5pt'><span
style='mso-tab-count:4'> </span><span
class=GramE>break</span>;<o:p></o:p></span></p>
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