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122 lines
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HTML
122 lines
5.1 KiB
HTML
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
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<title>Extensions to the Peripheral Section</title>
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<td id="proglogo"><img alt="CMSIS Logo" src="CMSIS_Logo_Final.png"></td>
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<td style="padding-left: 0.5em;">
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<div id="projectname">CMSIS-SVD
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 <span id="projectnumber">Version 1.10</span>
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</div>
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<div id="projectbrief">CMSIS System View Description</div>
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<li><a href="../../General/html/index.html"><span>CMSIS</span></a></li>
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<li><a href="../../Core/html/index.html"><span>CORE</span></a></li>
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<li><a href="../../DSP/html/index.html"><span>DSP</span></a></li>
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<li><a href="../../RTOS/html/index.html"><span>RTOS API</span></a></li>
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<div class="title">Extensions to the Peripheral Section</div> </div>
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<div class="ingroups"><a class="el" href="group__svd___format__1__1__gr.html">SVD Extension in Version 1.1</a></div></div>
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<div class="contents">
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<p>The following elements have been added to the peripheral section. All new elements are optional but are highly recommended to enable the generation of consistent and CMSIS-compliant device header files from SVD descriptions.</p>
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<table class="cmtable" summary="Peripheral Section Extension Elements">
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<tr>
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<th nowrap="nowrap">Element Name </th><th>Description </th><th>Type </th><th>Occurrence </th></tr>
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<tr>
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<td>alternatePeripheral </td><td>All address blocks in the memory space of a device are assigned to a unique peripheral by default. If there are multiple peripherals describing the same address blocks, this needs to be specified explicitly. A peripheral redefining an address block needs to specify the name of the peripheral that is listed first in the description. If no alternate peripheral is specified, then the <em>SVDConv</em> utility will generate errors. </td><td>identifierType </td><td>0..1 </td></tr>
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<tr>
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<td>headerStructName </td><td>The header file generator uses the name of a peripheral as the base name for the C structure type. If this element is specfied, then this string is used instead of the peripheral name. This is particularly useful when multiple peripherals get derived from a peripheral description and a generic type name shall be used. </td><td>identifierType </td><td>0..1 </td></tr>
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</table>
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<h2><a class="anchor" id="periperalSectionExtensions_ex"></a>
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Example:</h2>
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<div class="fragment"><pre class="fragment"><peripheral>
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<name>Timer1</name>
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<version>1.0</version>
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<description>Timer 1 is a standard timer ... </description>
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<baseAddress>0x40002000</baseAddress>
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...
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</peripheral>
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<peripheral>
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<name>Timer1_Alt</name>
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<version>1.0</version>
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<description>Alternate Timer 1 is a special timer execution mode ... </description>
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<baseAddress>0x40002000</baseAddress>
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<alternatePeripheral>Timer1</alternatePeripheral>
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...
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</peripheral>
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</pre></div><p>Two timer peripheral descriptions are specified for the same memory block. No redefined addresses will be reported for both peripherals. </p>
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</div>
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</div>
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<li class="footer">Generated on Wed Mar 28 2012 15:38:11 for CMSIS-SVD by ARM Ltd. All rights reserved.
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<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.5.1 </li>
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