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jgoppert
126 lines
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126 lines
5.1 KiB
HTML
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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 id="projectbrief">CMSIS System View Description</div>
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<div class="title">dimElementGroup</div> </div>
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<div class="ingroups"><a class="el" href="group__elem__type__gr.html">Element Groups</a></div></div>
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<div class="contents">
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<p>The SVD specification supports the array-of-registers concept. The single register description gets duplicated automatically into an array. The size of the array is specified by the <dim> element. The register names can be composed by the register name and an index-specific substring defined in <dimIndex>. The <dimIncrement> specifies the address offset between two registers. The elements below can be used to generate an array of registers.</p>
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<table class="cmtable" summary="dimElementGroup Description">
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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>dim </td><td>The value defines the number of elements in an array of registers. </td><td>scaledNonNegativeInteger </td><td>1..1 </td></tr>
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<tr>
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<td>dimIncrement </td><td>If dim is specified, this element becomes mandatory. The element specifies the address increment in between two neighboring registers of the register array in the address map. </td><td>scaledNonNegativeInteger </td><td>1..1 </td></tr>
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<tr>
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<td>dimIndex </td><td>Specifies the substrings that replaces the <em>s</em> placeholder within the register name. By default, the index is a decimal value starting with 0 for the first register. </td><td>dimIndexType </td><td>0..1 </td></tr>
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</table>
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<h2><a class="anchor" id="dimElementGroup_ex"></a>
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Examples:</h2>
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<div class="fragment"><pre class="fragment">...
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<<span class="keyword">register</span>>
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<dim>6</dim>
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<dimIncrement>4</dimIncrement>
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<dimIndex>A,B,C,D,E,Z</dimIndex>
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<name>GPIO_%s_CTRL</name>
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...
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</<span class="keyword">register</span>>
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</pre></div><p>The code above generates: => GPIO_A_CTRL, GPIO_B_CTRL, GPIO_C_CTRL, GPIO_D_CTRL, GPIO_E_CTRL, GPIO_Z_CTRL</p>
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<div class="fragment"><pre class="fragment">...
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<<span class="keyword">register</span>>
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<dim>4</dim>
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<dimIncrement>4</dimIncrement>
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<dimIndex>3-6</dimIndex>
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<name>IRQ%s</name>
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...
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</<span class="keyword">register</span>>
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</pre></div><p>The example above generates: => IRQ3, IRQ4, IRQ5, IRQ6 </p>
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