snake_src.htm
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</span></p>
<p class="MsoNormal" align="left" style="text-align: left; mso-layout-grid-align: none; text-autospace: none; word-spacing: 0; line-height: 100%; margin-top: 0; margin-bottom: 0"><span lang="EN-US" style="font-size:10.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt"><b><strong><font size="2"> <o:p>
</o:p>
</font></strong></b>
</span></p>
<p class="MsoNormal" align="left" style="text-align: left; mso-layout-grid-align: none; text-autospace: none; word-spacing: 0; line-height: 100%; margin-top: 0; margin-bottom: 0"><span lang="EN-US" style="font-size:10.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt"><b><strong><font size="2"> <o:p>
</o:p>
</font></strong></b>
</span></p>
<p class="MsoNormal" align="left" style="text-align: left; mso-layout-grid-align: none; text-autospace: none; word-spacing: 0; line-height: 100%; margin-top: 0; margin-bottom: 0"><b><strong><span style="font-size: 10.0pt; font-family: 宋体; mso-hansi-font-family: Times New Roman; mso-font-kerning: 0pt"><font size="2"><span lang="EN-US" style="font-size:10.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt">///*****************</span><span style="font-size:10.0pt;font-family:宋体;mso-hansi-font-family:"Times New Roman";
mso-font-kerning:0pt;mso-ansi-language:ZH-CN">事件定义</span><span lang="EN-US" style="font-size:10.0pt;font-family:宋体;mso-hansi-font-family:"Times New Roman";
mso-font-kerning:0pt">*****************///<o:p>
</o:p>
</span></font></span></strong></b></p>
<p class="MsoNormal" align="left" style="text-align: left; mso-layout-grid-align: none; text-autospace: none; word-spacing: 0; line-height: 100%; margin-top: 0; margin-bottom: 0"><span lang="EN-US" style="font-size:10.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt"><b><strong><font size="2"> <o:p>
</o:p>
</font></strong></b>
</span></p>
<p class="MsoNormal" align="left" style="text-align: left; mso-layout-grid-align: none; text-autospace: none; word-spacing: 0; line-height: 100%; margin-top: 0; margin-bottom: 0"><b><strong><span style="font-size: 10.0pt; font-family: 宋体; mso-hansi-font-family: Times New Roman; mso-font-kerning: 0pt"><font size="2"><span lang="EN-US" style="font-size:10.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt">OS_EVENT
*Nand_Rw_Sem;<span style="mso-spacerun: yes">
</span>//Nand_Flash</span><span style="font-size:10.0pt;font-family:宋体;
mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt;mso-ansi-language:
ZH-CN">读写控制权旗语</span><span lang="EN-US" style="font-size:10.0pt;font-family:宋体;
mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt"><o:p>
</o:p>
</span></font></span></strong></b></p>
<p class="MsoNormal" align="left" style="text-align: left; mso-layout-grid-align: none; text-autospace: none; word-spacing: 0; line-height: 100%; margin-top: 0; margin-bottom: 0"><span lang="EN-US" style="font-size:10.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt"><b><strong><font size="2">//and
you can use it as folloeing:<o:p>
</o:p>
</font></strong></b>
</span></p>
<p class="MsoNormal" align="left" style="text-align: left; mso-layout-grid-align: none; text-autospace: none; word-spacing: 0; line-height: 100%; margin-top: 0; margin-bottom: 0"><b><strong><span style="font-size: 10.0pt; font-family: 宋体; mso-hansi-font-family: Times New Roman; mso-font-kerning: 0pt"><font size="2"><span lang="EN-US">//<span style="mso-spacerun: yes; font-size: 10.0pt; font-family: 宋体; mso-hansi-font-family: Times New Roman; mso-font-kerning: 0pt">
</span>Nand_Rw_Sem=OSSemCreate(1);<span style="mso-spacerun: yes">
</span>//</span><span style="font-size:10.0pt;
font-family:宋体;mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt;
mso-ansi-language:ZH-CN">创建</span><span lang="EN-US" style="font-size:10.0pt;
font-family:宋体;mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt">Nand-Flash</span><span style="font-size:10.0pt;font-family:宋体;mso-hansi-font-family:"Times New Roman";
mso-font-kerning:0pt;mso-ansi-language:ZH-CN">读写控制权旗语</span><span lang="EN-US" style="font-size:10.0pt;font-family:宋体;mso-hansi-font-family:"Times New Roman";
mso-font-kerning:0pt">,</span><span style="font-size:10.0pt;font-family:宋体;
mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt;mso-ansi-language:
ZH-CN">初值为</span><span lang="EN-US" style="font-size:10.0pt;font-family:宋体;
mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt">1</span><span style="font-size:10.0pt;font-family:宋体;mso-hansi-font-family:"Times New Roman";
mso-font-kerning:0pt;mso-ansi-language:ZH-CN">满足互斥条件</span><span lang="EN-US" style="font-size:10.0pt;font-family:宋体;mso-hansi-font-family:"Times New Roman";
mso-font-kerning:0pt">//<o:p>
</o:p>
</span></font></span></strong></b></p>
<p class="MsoNormal" align="left" style="text-align: left; mso-layout-grid-align: none; text-autospace: none; word-spacing: 0; line-height: 100%; margin-top: 0; margin-bottom: 0"><span lang="EN-US" style="font-size:10.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt"><b><strong><font size="2">//<span style="mso-spacerun: yes; font-size: 10.0pt; font-family: 宋体; mso-hansi-font-family: Times New Roman; mso-font-kerning: 0pt">
</span>OSSemPend(Nand_Rw_Sem,0,&err);<o:p>
</o:p>
</font></strong></b>
</span></p>
<p class="MsoNormal" align="left" style="text-align: left; mso-layout-grid-align: none; text-autospace: none; word-spacing: 0; line-height: 100%; margin-top: 0; margin-bottom: 0"><span lang="EN-US" style="font-size:10.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt"><b><strong><font size="2">//<span style="mso-spacerun: yes; font-size: 10.0pt; font-family: 宋体; mso-hansi-font-family: Times New Roman; mso-font-kerning: 0pt">
</span>OSSemPost(Nand_Rw_Sem);<o:p>
</o:p>
</font></strong></b>
</span></p>
<p class="MsoNormal" align="left" style="text-align: left; mso-layout-grid-align: none; text-autospace: none; word-spacing: 0; line-height: 100%; margin-top: 0; margin-bottom: 0"><span lang="EN-US" style="font-size:10.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt"><b><strong><font size="2"> <o:p>
</o:p>
</font></strong></b>
</span></p>
<p class="MsoNormal" align="left" style="text-align: left; mso-layout-grid-align: none; text-autospace: none; word-spacing: 0; line-height: 100%; margin-top: 0; margin-bottom: 0"><b><strong><span style="font-size: 10.0pt; font-family: 宋体; mso-hansi-font-family: Times New Roman; mso-font-kerning: 0pt"><font size="2"><span lang="EN-US" style="font-size:10.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt">OS_EVENT
*Uart_Rw_Sem;<span style="mso-spacerun: yes">
</span>//Uart</span><span style="font-size:10.0pt;font-family:宋体;mso-hansi-font-family:"Times New Roman";
mso-font-kerning:0pt;mso-ansi-language:ZH-CN">读写控制权旗语</span><span lang="EN-US" style="font-size:10.0pt;font-family:宋体;mso-hansi-font-family:"Times New Roman";
mso-font-kerning:0pt"><o:p>
</o:p>
</span></font></span></strong></b></p>
<p class="MsoNormal" align="left" style="text-align: left; mso-layout-grid-align: none; text-autospace: none; word-spacing: 0; line-height: 100%; margin-top: 0; margin-bottom: 0"><span lang="EN-US" style="font-size:10.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt"><b><strong><font size="2">//and
you can use it as folloeing:<o:p>
</o:p>
</font></strong></b>
</span></p>
<p class="MsoNormal" align="left" style="text-align: left; mso-layout-grid-align: none; text-autospace: none; word-spacing: 0; line-height: 100%; margin-top: 0; margin-bottom: 0"><b><strong><span style="font-size: 10.0pt; font-family: 宋体; mso-hansi-font-family: Times New Roman; mso-font-kerning: 0pt"><font size="2"><span lang="EN-US">//<span style="mso-spacerun: yes; font-size: 10.0pt; font-family: 宋体; mso-hansi-font-family: Times New Roman; mso-font-kerning: 0pt">
</span>Uart_Rw_Sem=OSSemCreate(1);<span style="mso-spacerun: yes">
</span>//</span><span style="font-size:10.0pt;
font-family:宋体;mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt;
mso-ansi-language:ZH-CN">创建</span><span lang="EN-US" style="font-size:10.0pt;
font-family:宋体;mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt">Uart</span><span style="font-size:10.0pt;font-family:宋体;mso-hansi-font-family:"Times New Roman";
mso-font-kerning:0pt;mso-ansi-language:ZH-CN">读写控制权旗语</span><span lang="EN-US" style="font-size:10.0pt;font-family:宋体;mso-hansi-font-family:"Times New Roman";
mso-font-kerning:0pt">,</span><span style="font-size:10.0pt;font-family:宋体;
mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt;mso-ansi-language:
ZH-CN">初值为</span><span lang="EN-US" style="font-size:10.0pt;font-family:宋体;
mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt">1</span><span style="font-size:10.0pt;font-family:宋体;mso-hansi-font-family:"Times New Roman";
mso-font-kerning:0pt;mso-ansi-language:ZH-CN">满足互斥条件</span><span lang="EN-US" style="font-size:10.0pt;font-family:宋体;mso-hansi-font-family:"Times New Roman";
mso-font-kerning:0pt">//<o:p>
</o:p>
</span></font></span></strong></b></p>
<p class="MsoNormal" align="left" style="text-align: left; mso-layout-grid-align: none; text-autospace: none; word-spacing: 0; line-height: 100%; margin-top: 0; margin-bottom: 0"><span lang="EN-US" style="font-size:10.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt"><b><strong><font size="2">//<span style="mso-spacerun: yes; font-size: 10.0pt; font-family: 宋体; mso-hansi-font-family: Times New Roman; mso-font-kerning: 0pt">
</span>OSSemPend(Uart_Rw_Sem,0,&err);<o:p>
</o:p>
</font></strong></b>
</span></p>
<p class="MsoNormal" align="left" style="text-align: left; mso-layout-grid-align: none; text-autospace: none; word-spacing: 0; line-height: 100%; margin-top: 0; margin-bottom: 0"><span lang="EN-US" style="font-size:10.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt"><b><strong><font size="2">//<span style="mso-spacerun: yes; font-size: 10.0pt; font-family: 宋体; mso-hansi-font-family: Times New Roman; mso-font-kerning: 0pt">
</span>OSSemPost(Uart_Rw_Sem);<o:p>
</o:p>
</font></strong></b>
</span></p>
<p class="MsoNormal" align="left" style="text-align: left; mso-layout-grid-align: none; text-autospace: none; word-spacing: 0; line-height: 100%; margin-top: 0; margin-bottom: 0"><span lang="EN-US" style="font-size:10.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt"><b><strong><font size="2"> <o:p>
</o:p>
</font></strong></b>
</span></p>
<p class="MsoNormal" align="left" style="text-align: left; mso-layout-grid-align: none; text-autospace: none; word-spacing: 0; line-height: 100%; margin-top: 0; margin-bottom: 0"><span lang="EN-US" style="font-size:10.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt"><b><strong><font size="2"> <o:p>
</o:p>
</font></strong></b>
</span></p>
<p class="MsoNormal" align="left" style="text-align: left; mso-layout-grid-align: none; text-autospace: none; word-spacing: 0; line-height: 100%; margin-top: 0; margin-bottom: 0"><span lang="EN-US" style="font-size:10.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt"><b><strong><font size="2">//////////////////////////////////////////////////////////<o:p>
</o:p>
</font></strong></b>
</span></p>
<p class="MsoNormal" align="left" style="text-align: left; mso-layout-grid-align: none; text-autospace: none; word-spacing: 0; line-height: 100%; margin-top: 0; margin-bottom: 0"><span lang="EN-US" style="font-size:10.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt"><b><strong><font size="2"> <o:p>
</o:p>
</font></strong></b>
</span></p>
<p class="MsoNormal" align="left" style="text-align: left; mso-layout-grid-align: none; text-autospace: none; word-spacing: 0; line-height: 100%; margin-top: 0; margin-bottom: 0"><span lang="EN-US" style="font-size:10.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt"><b><strong><font size="2"> <o:p>
</o:p>
</font></strong></b>
</span></p>
<p class="MsoNormal" align="left" style="text-align: left; mso-layout-grid-align: none; text-autospace: none; word-spacing: 0; line-height: 100%; margin-top: 0; margin-bottom: 0"><b style="mso-bidi-font-weight:normal"><font size="2"><strong><span style="font-size: 10.0pt; font-family: 宋体; mso-hansi-font-family: Times New Roman; mso-font-kerning: 0pt"><span lang="EN-US" style="font-size:10.0pt;font-family:宋体;mso-hansi-font-family:"Times New Roman";
color:blue;mso-font-kerning:0pt">void initOSGUI()</span></span></strong></font></b><font size="2"><strong><span style="font-size: 10.0pt; font-family: 宋体; mso-hansi-font-family: Times New Roman; mso-font-kerning: 0pt"><span lang="EN-US" style="font-size:10.0pt;font-family:宋体;mso-hansi-font-family:"Times New Roman";
mso-font-kerning:0pt"><span style="mso-tab-count: 1; font-size: 10.0pt; font-family: 宋体; mso-hansi-font-family: Times New Roman; mso-font-kerning: 0pt">
</span>//</span><span style="font-size:10.0pt;font-family:宋体;mso-hansi-font-family:"Times New Roman";
mso-font-kerning:0pt;mso-ansi-language:ZH-CN">初始化操作系统的图形界面</span><span lang="EN-US" style="font-size:10.0pt;font-family:宋体;mso-hansi-font-family:"Times New Roman";
mso-font-kerning:0pt"><o:p>
</o:p>
</span></span></strong></font></p>
<p class="MsoNormal" align="left" style="text-align: left; mso-layout-grid-align: none; text-autospace: none; word-spacing: 0; line-height: 100%; margin-top: 0; margin-bottom: 0"><span lang="EN-US" style="font-size:10.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt"><b><strong><font size="2">{<o:p>
</o:p>
</font></strong></b>
</span></p>
<p class="MsoNormal" align="left" style="text-align: left; mso-layout-grid-align: none; text-autospace: none; word-spacing: 0; line-height: 100%; margin-top: 0; margin-bottom: 0"><span lang="EN-US" style="font-size:10.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt"><b><strong><font size="2"><span style="mso-tab-count: 1; font-size: 10.0pt; font-family: 宋体; mso-hansi-font-family: Times New Roman; mso-font-kerning: 0pt">
</span>structRECT rect;<o:p>
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