int8u ostaskcreate.htm

uCOS-II系统服务例程 很不错的内核代码解释

padding:0cm;mso-padding-alt:1.0pt 1.0pt 15.0pt 1.0pt'><span lang=EN-US><span
style='mso-tab-count:1'>&nbsp;&nbsp; </span>void Task1(void *pdata)</span></p>

<p class=CodeSeg style='border:none;mso-border-alt:solid #999999 1.5pt;
padding:0cm;mso-padding-alt:1.0pt 1.0pt 15.0pt 1.0pt'><span lang=EN-US><span
style='mso-tab-count:1'>&nbsp;&nbsp; </span>{</span></p>

<p class=CodeSeg style='border:none;mso-border-alt:solid #999999 1.5pt;
padding:0cm;mso-padding-alt:1.0pt 1.0pt 15.0pt 1.0pt'><span lang=EN-US><span
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>pdata = pdata;</span></p>

<p class=CodeSeg style='border:none;mso-border-alt:solid #999999 1.5pt;
padding:0cm;mso-padding-alt:1.0pt 1.0pt 15.0pt 1.0pt'><span lang=EN-US><span
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>for (;;) {</span></p>

<p class=CodeSeg style='border:none;mso-border-alt:solid #999999 1.5pt;
padding:0cm;mso-padding-alt:1.0pt 1.0pt 15.0pt 1.0pt'><span lang=EN-US><span
style='mso-tab-count:3'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>.<span
style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span>/* Task code<span style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span>*/</span></p>

<p class=CodeSeg style='border:none;mso-border-alt:solid #999999 1.5pt;
padding:0cm;mso-padding-alt:1.0pt 1.0pt 15.0pt 1.0pt'><span lang=EN-US><span
style='mso-tab-count:3'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>.</span></p>

<p class=CodeSeg style='border:none;mso-border-alt:solid #999999 1.5pt;
padding:0cm;mso-padding-alt:1.0pt 1.0pt 15.0pt 1.0pt'><span lang=EN-US><span
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>}</span></p>

<p class=CodeSeg style='border:none;mso-border-alt:solid #999999 1.5pt;
padding:0cm;mso-padding-alt:1.0pt 1.0pt 15.0pt 1.0pt'><span lang=EN-US><span
style='mso-tab-count:1'>&nbsp;&nbsp; </span>}</span></p>

</div>

<p class=NewSectionPara><b><span lang=EN-US><![if !supportEmptyParas]>&nbsp;<![endif]><o:p></o:p></span></b></p>

<p class=NewSectionPara><b><span lang=EN-US>Example #2<o:p></o:p></span></b></p>

<p class=NewSectionPara><b><span lang=EN-US><![if !supportEmptyParas]>&nbsp;<![endif]><o:p></o:p></span></b></p>

<p class=Descript><span lang=EN-US>It is possible to create a 'generic' task
that can be instantiated more than once.<span style="mso-spacerun: yes">&nbsp;
</span>For example, a task can handle a serial port and the task would be
passed the address of a data structure that characterizes the specific port
(i.e. port address, baud rate, etc.).</span></p>

<p class=NewSectionPara><span lang=EN-US><![if !supportEmptyParas]>&nbsp;<![endif]><o:p></o:p></span></p>

<div style='border:solid #999999 1.5pt;padding:1.0pt 1.0pt 15.0pt 1.0pt;
background:#F2F2F2;mso-shading:windowtext;mso-pattern:gray-5 auto'>

<p class=CodeSeg style='border:none;mso-border-alt:solid #999999 1.5pt;
padding:0cm;mso-padding-alt:1.0pt 1.0pt 15.0pt 1.0pt'><span lang=EN-US><span
style='mso-tab-count:1'>&nbsp;&nbsp; </span>OS_STK<span style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp; </span>*Comm1Stk[1024];</span></p>

<p class=CodeSeg style='border:none;mso-border-alt:solid #999999 1.5pt;
padding:0cm;mso-padding-alt:1.0pt 1.0pt 15.0pt 1.0pt'><span lang=EN-US><span
style='mso-tab-count:1'>&nbsp;&nbsp; </span>COMM_DATA<span style="mso-spacerun:
yes">&nbsp; </span>Comm1Data;<span style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>/* Data structure
containing COMM port<span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;
</span>*/</span></p>

<p class=CodeSeg style='border:none;mso-border-alt:solid #999999 1.5pt;
padding:0cm;mso-padding-alt:1.0pt 1.0pt 15.0pt 1.0pt'><span lang=EN-US><span
style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span>/* Specific data for channel 1<span style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span>*/</span></p>

<p class=CodeSeg style='border:none;mso-border-alt:solid #999999 1.5pt;
padding:0cm;mso-padding-alt:1.0pt 1.0pt 15.0pt 1.0pt'><span lang=EN-US><![if !supportEmptyParas]>&nbsp;<![endif]><o:p></o:p></span></p>

<p class=CodeSeg style='border:none;mso-border-alt:solid #999999 1.5pt;
padding:0cm;mso-padding-alt:1.0pt 1.0pt 15.0pt 1.0pt'><span lang=EN-US><span
style='mso-tab-count:1'>&nbsp;&nbsp; </span>OS_STK<span style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp; </span>*Comm2Stk[1024];</span></p>

<p class=CodeSeg style='border:none;mso-border-alt:solid #999999 1.5pt;
padding:0cm;mso-padding-alt:1.0pt 1.0pt 15.0pt 1.0pt'><span lang=EN-US><span
style='mso-tab-count:1'>&nbsp;&nbsp; </span>COMM_DATA<span style="mso-spacerun:
yes">&nbsp; </span>Comm2Data;<span style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>/* Data structure
containing COMM port<span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;
</span>*/</span></p>

<p class=CodeSeg style='border:none;mso-border-alt:solid #999999 1.5pt;
padding:0cm;mso-padding-alt:1.0pt 1.0pt 15.0pt 1.0pt'><span lang=EN-US><span
style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span>/* Specific data for channel 2<span style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span>*/</span></p>

<p class=CodeSeg style='border:none;mso-border-alt:solid #999999 1.5pt;
padding:0cm;mso-padding-alt:1.0pt 1.0pt 15.0pt 1.0pt'><span lang=EN-US><![if !supportEmptyParas]>&nbsp;<![endif]><o:p></o:p></span></p>

<p class=CodeSeg style='border:none;mso-border-alt:solid #999999 1.5pt;
padding:0cm;mso-padding-alt:1.0pt 1.0pt 15.0pt 1.0pt'><span lang=EN-US><![if !supportEmptyParas]>&nbsp;<![endif]><o:p></o:p></span></p>

<p class=CodeSeg style='border:none;mso-border-alt:solid #999999 1.5pt;
padding:0cm;mso-padding-alt:1.0pt 1.0pt 15.0pt 1.0pt'><span lang=EN-US><span
style='mso-tab-count:1'>&nbsp;&nbsp; </span>void main(void)</span></p>

<p class=CodeSeg style='border:none;mso-border-alt:solid #999999 1.5pt;
padding:0cm;mso-padding-alt:1.0pt 1.0pt 15.0pt 1.0pt'><span lang=EN-US><span
style='mso-tab-count:1'>&nbsp;&nbsp; </span>{</span></p>

<p class=CodeSeg style='border:none;mso-border-alt:solid #999999 1.5pt;
padding:0cm;mso-padding-alt:1.0pt 1.0pt 15.0pt 1.0pt'><span lang=EN-US><span
style='mso-tab-count:1'>&nbsp;&nbsp; </span><span style="mso-spacerun:
yes">&nbsp;&nbsp; </span>INT8U err;</span></p>

<p class=CodeSeg style='border:none;mso-border-alt:solid #999999 1.5pt;
padding:0cm;mso-padding-alt:1.0pt 1.0pt 15.0pt 1.0pt'><span lang=EN-US><![if !supportEmptyParas]>&nbsp;<![endif]><o:p></o:p></span></p>

<p class=CodeSeg style='border:none;mso-border-alt:solid #999999 1.5pt;
padding:0cm;mso-padding-alt:1.0pt 1.0pt 15.0pt 1.0pt'><span lang=EN-US><span
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>.</span></p>

<p class=CodeSeg style='border:none;mso-border-alt:solid #999999 1.5pt;
padding:0cm;mso-padding-alt:1.0pt 1.0pt 15.0pt 1.0pt'><span lang=EN-US><span
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>OSInit();<span
style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span>/* Initialize &micro;C/OS-II<span style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span>*/</span></p>

<p class=CodeSeg style='border:none;mso-border-alt:solid #999999 1.5pt;
padding:0cm;mso-padding-alt:1.0pt 1.0pt 15.0pt 1.0pt'><span lang=EN-US><span
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>.</span></p>

<p class=CodeSeg style='border:none;mso-border-alt:solid #999999 1.5pt;
padding:0cm;mso-padding-alt:1.0pt 1.0pt 15.0pt 1.0pt'><span lang=EN-US><span
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>OSTaskCreate(CommTask,
</span></p>

<p class=CodeSeg style='border:none;mso-border-alt:solid #999999 1.5pt;
padding:0cm;mso-padding-alt:1.0pt 1.0pt 15.0pt 1.0pt'><span lang=EN-US><span
style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span>(void *)&amp;Comm1Data, </span></p>

<p class=CodeSeg style='border:none;mso-border-alt:solid #999999 1.5pt;
padding:0cm;mso-padding-alt:1.0pt 1.0pt 15.0pt 1.0pt'><span lang=EN-US><span
style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span>&amp;Comm1Stk[1023], </span></p>

<p class=CodeSeg style='border:none;mso-border-alt:solid #999999 1.5pt;
padding:0cm;mso-padding-alt:1.0pt 1.0pt 15.0pt 1.0pt'><span lang=EN-US><span
style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span>25);</span></p>

<p class=CodeSeg style='border:none;mso-border-alt:solid #999999 1.5pt;
padding:0cm;mso-padding-alt:1.0pt 1.0pt 15.0pt 1.0pt'><span lang=EN-US><span
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span>OSTaskCreate(CommTask, </span></p>

<p class=CodeSeg style='border:none;mso-border-alt:solid #999999 1.5pt;
padding:0cm;mso-padding-alt:1.0pt 1.0pt 15.0pt 1.0pt'><span lang=EN-US><span
style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span>(void *)&amp;Comm2Data, </span></p>

<p class=CodeSeg style='border:none;mso-border-alt:solid #999999 1.5pt;
padding:0cm;mso-padding-alt:1.0pt 1.0pt 15.0pt 1.0pt'><span lang=EN-US><span
style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span>&amp;Comm2Stk[1023], </span></p>

<p class=CodeSeg style='border:none;mso-border-alt:solid #999999 1.5pt;
padding:0cm;mso-padding-alt:1.0pt 1.0pt 15.0pt 1.0pt'><span lang=EN-US><span
style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span>26);</span></p>

<p class=CodeSeg style='border:none;mso-border-alt:solid #999999 1.5pt;
padding:0cm;mso-padding-alt:1.0pt 1.0pt 15.0pt 1.0pt'><span lang=EN-US><span
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>.</span></p>

<p class=CodeSeg style='border:none;mso-border-alt:solid #999999 1.5pt;
padding:0cm;mso-padding-alt:1.0pt 1.0pt 15.0pt 1.0pt'><span lang=EN-US><span
style="mso-spacerun: yes">&nbsp;&nbsp; </span><span style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;</span>OSStart();<span style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span>/* Start Multitasking<span style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span>*/</span></p>

<p class=CodeSeg style='border:none;mso-border-alt:solid #999999 1.5pt;
padding:0cm;mso-padding-alt:1.0pt 1.0pt 15.0pt 1.0pt'><span lang=EN-US><span
style='mso-tab-count:1'>&nbsp;&nbsp; </span>}</span></p>

<p class=CodeSeg style='border:none;mso-border-alt:solid #999999 1.5pt;
padding:0cm;mso-padding-alt:1.0pt 1.0pt 15.0pt 1.0pt'><span lang=EN-US><![if !supportEmptyParas]>&nbsp;<![endif]><o:p></o:p></span></p>

<p class=CodeSeg style='border:none;mso-border-alt:solid #999999 1.5pt;
padding:0cm;mso-padding-alt:1.0pt 1.0pt 15.0pt 1.0pt'><span lang=EN-US><![if !supportEmptyParas]>&nbsp;<![endif]><o:p></o:p></span></p>

<p class=CodeSeg style='border:none;mso-border-alt:solid #999999 1.5pt;
padding:0cm;mso-padding-alt:1.0pt 1.0pt 15.0pt 1.0pt'><span lang=EN-US><span
style='mso-tab-count:1'>&nbsp;&nbsp; </span>void CommTask(void *pdata)<span
style="mso-spacerun: yes">&nbsp;&nbsp; </span>/* Generic communication
task<span style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span>*/</span></p>

<p class=CodeSeg style='border:none;mso-border-alt:solid #999999 1.5pt;
padding:0cm;mso-padding-alt:1.0pt 1.0pt 15.0pt 1.0pt'><span lang=EN-US><span
style='mso-tab-count:1'>&nbsp;&nbsp; </span>{</span></p>

<p class=CodeSeg style='border:none;mso-border-alt:solid #999999 1.5pt;
padding:0cm;mso-padding-alt:1.0pt 1.0pt 15.0pt 1.0pt'><span lang=EN-US><span
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>for (;;) {</span></p>

<p class=CodeSeg style='border:none;mso-border-alt:solid #999999 1.5pt;
padding:0cm;mso-padding-alt:1.0pt 1.0pt 15.0pt 1.0pt'><span lang=EN-US><span
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span>.<span style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span>/* Task code<span style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span>*/</span></p>

<p class=CodeSeg style='border:none;mso-border-alt:solid #999999 1.5pt;
padding:0cm;mso-padding-alt:1.0pt 1.0pt 15.0pt 1.0pt'><span lang=EN-US><span
style="mso-spacerun: yes">&nbsp; </span><span style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>.</span></p>

<p class=CodeSeg style='border:none;mso-border-alt:solid #999999 1.5pt;
padding:0cm;mso-padding-alt:1.0pt 1.0pt 15.0pt 1.0pt'><span lang=EN-US><span
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>}</span></p>

<p class=CodeSeg style='border:none;mso-border-alt:solid #999999 1.5pt;
padding:0cm;mso-padding-alt:1.0pt 1.0pt 15.0pt 1.0pt'><span lang=EN-US><span
style='mso-tab-count:1'>&nbsp;&nbsp; </span>}</span></p>

<p class=CodeSeg style='border:none;mso-border-alt:solid #999999 1.5pt;
padding:0cm;mso-padding-alt:1.0pt 1.0pt 15.0pt 1.0pt'><span lang=EN-US><![if !supportEmptyParas]>&nbsp;<![endif]><o:p></o:p></span></p>

</div>

</div>

<span lang=EN-US style='font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:
"Times New Roman";mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:
EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA'><br clear=all
style='page-break-before:always;mso-break-type:section-break'>
</span>

<div class=Section2 style='layout-grid:15.6pt'>

<p class=MsoNormal><span lang=EN-US><![if !supportEmptyParas]>&nbsp;<![endif]><o:p></o:p></span></p>

</div>

</body>

</html>