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<div class=Section1><b><span lang=EN-US style='font-size:14.0pt;mso-bidi-font-size:
26.0pt;font-family:"Times New Roman";mso-fareast-font-family:宋体;mso-font-kerning:
14.0pt;mso-ansi-language:EN-US;mso-fareast-language:RU;mso-bidi-language:AR-SA'><br
clear=all style='page-break-before:always'>
</span></b>
<p class=FunctionName style='text-align:justify;text-justify:inter-ideograph'><span
lang=EN-US style='font-size:14.0pt;mso-bidi-font-size:26.0pt;font-family:"Times New Roman"'>OS_MEM
*OSMemCreate(void *addr, INT32U nblks, INT32U blksize, INT8U *err);<span
style='background:#D9D9D9;mso-shading:white;mso-pattern:gray-15 auto'><o:p></o:p></span></span></p>
<p class=Descript><b><span lang=EN-US style='font-family:"Courier New"'>OSMemCreate()</span></b><span
lang=EN-US> is used to create and initialize a memory partition.<span
style="mso-spacerun: yes"> </span>A memory partition contains a
user-specified number of fixed-sized memory blocks.<span style="mso-spacerun:
yes"> </span>Your application can obtain one of these memory blocks and
when done, release the block back to the partition.</span></p>
<p class=NewSectionPara><span lang=EN-US><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
<p class=NewSectionPara><b><span lang=EN-US>Arguments<o:p></o:p></span></b></p>
<p class=Descript><b><span lang=EN-US style='font-family:"Courier New"'>addr</span></b><span
lang=EN-US> is the address of the start of a memory area that will be used to
create fixed-sized memory blocks.<span style="mso-spacerun: yes">
</span>Memory partitions can either be created using static arrays or malloc’ed
during startup.</span></p>
<p class=Descript><b><span lang=EN-US style='font-family:"Courier New"'>nblks</span></b><span
lang=EN-US> contains the number of memory blocks available from the specified
partition.<span style="mso-spacerun: yes"> </span>You MUST specify at
least 2 memory blocks per partition.</span></p>
<p class=Descript><b><span lang=EN-US style='font-family:"Courier New"'>blksize</span></b><span
lang=EN-US> specifies the size (in bytes) of each memory block within a
partition.<span style="mso-spacerun: yes"> </span>A memory block MUST be
large enough to hold at least a pointer.</span></p>
<p class=Descript><b><span lang=EN-US style='font-family:"Courier New"'>err</span></b><span
lang=EN-US> is a pointer to a variable which will be used to hold an error
code.<span style="mso-spacerun: yes"> </span></span><b><span lang=EN-US
style='font-family:"Courier New"'>OSMemCreate()</span></b><span lang=EN-US>
sets </span><b><span lang=EN-US style='font-family:"Courier New"'>*err</span></b><span
lang=EN-US> to either:</span></p>
<p class=Descript style='margin-left:45.0pt;text-indent:-18.0pt;tab-stops:22.5pt 36.0pt'><span
lang=EN-US>1)<span style='mso-tab-count:1'> </span></span><b><span lang=EN-US
style='font-family:"Courier New"'>OS_NO_ERR</span></b><span lang=EN-US>, if the
memory partition was created successfully.</span></p>
<p class=Descript style='margin-left:45.0pt;text-indent:-18.0pt;tab-stops:22.5pt 36.0pt'><span
lang=EN-US>2)<span style='mso-tab-count:1'> </span></span><b><span lang=EN-US
style='font-family:"Courier New"'>OS_MEM_INVALID_PART</span></b><span
lang=EN-US>, if a free memory partition is not available.</span></p>
<p class=Descript style='margin-left:45.0pt;text-indent:-18.0pt;tab-stops:22.5pt 36.0pt'><span
lang=EN-US>3)<span style='mso-tab-count:1'> </span></span><b><span lang=EN-US
style='font-family:"Courier New"'>OS_MEM_INVALID_BLKS</span></b><span
lang=EN-US>, if you didn’t specify at least 2 memory blocks per partition.</span></p>
<p class=Descript style='margin-left:45.0pt;text-indent:-18.0pt;tab-stops:22.5pt 36.0pt'><span
lang=EN-US>4)<span style='mso-tab-count:1'> </span></span><b><span lang=EN-US
style='font-family:"Courier New"'>OS_MEM_INVALID_SIZE</span></b><span
lang=EN-US>, if you didn’t specify a block size that can at least contain a
pointer variable.</span></p>
<p class=NewSectionPara><span lang=EN-US><span style='mso-tab-count:1'> </span></span></p>
<p class=NewSectionPara><b><span lang=EN-US>Returned Value<o:p></o:p></span></b></p>
<p class=Descript><b><span lang=EN-US style='font-family:"Courier New"'>OSMemCreate()</span></b><span
lang=EN-US> returns a pointer to the created memory partition control block if
one is available.<span style="mso-spacerun: yes"> </span>If no memory
partition control block is available, </span><b><span lang=EN-US
style='font-family:"Courier New"'>OSMemCreate()</span></b><span lang=EN-US>
will return a </span><b><span lang=EN-US style='font-family:"Courier New"'>NULL</span></b><span
lang=EN-US> pointer.</span></p>
<p class=NewSectionPara><span lang=EN-US><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
<p class=NewSectionPara><b><span lang=EN-US>Notes/Warnings<o:p></o:p></span></b></p>
<p class=Descript><span lang=EN-US>Memory partitions must be created before
they are used.</span></p>
<p class=Descript><span lang=EN-US><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
<p class=NewSectionPara><b><span lang=EN-US>Example<o:p></o:p></span></b></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'> </span>OS_MEM *CommMem;</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"> </span>INT8U<span style="mso-spacerun:
yes"> </span>CommBuf[16][128];</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'> </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'> </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"> </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><span
style="mso-spacerun: yes"> </span><span style='mso-tab-count:2'> </span><span
style="mso-spacerun: yes"> </span><span style='mso-tab-count:4'> </span><span
style="mso-spacerun: yes"> </span><span style='mso-tab-count:
3'> </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:2'> </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"> </span>OSInit();<span
style="mso-spacerun:
yes">
</span>/* Initialize µC/OS-II<span style="mso-spacerun:
yes"> </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"> </span>.<span
style='mso-tab-count:5'> </span><span
style="mso-spacerun: yes"> </span><span style='mso-tab-count:2'> </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"> </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"> </span>CommMem =
OSMemCreate(&CommBuf[0][0], 16, 128, &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><span
style="mso-spacerun: yes"> </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"> </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"> </span>OSStart();<span
style="mso-spacerun:
yes">
</span>/* Start Multitasking<span style="mso-spacerun:
yes">
</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'> </span>}</span></p>
</div>
<p class=Code><span lang=EN-US style='font-size:14.0pt;mso-bidi-font-size:9.0pt;
background:#D9D9D9;mso-shading:white;mso-pattern:gray-15 auto'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
<p class=Code><span lang=EN-US style='font-size:14.0pt;mso-bidi-font-size:9.0pt;
background:#D9D9D9;mso-shading:white;mso-pattern:gray-15 auto'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
</div>
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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]> <![endif]><o:p></o:p></span></p>
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