begriffs open source - cmsis/blob - main/Core_A/group__comp__cntrl__gr.html

   1 <!-- HTML header for doxygen 1.9.6-->
   2 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
   3 <html xmlns="http://www.w3.org/1999/xhtml" lang="en-US">
   4 <head>
   5 <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
   6 <meta http-equiv="X-UA-Compatible" content="IE=11"/>
   7 <meta name="viewport" content="width=device-width, initial-scale=1"/>
   8 <title>CMSIS-Core (Cortex-A): Compiler Control</title>
   9 <link href="doxygen.css" rel="stylesheet" type="text/css" />
  10 <script type="text/javascript" src="jquery.js"></script>
  11 <script type="text/javascript" src="dynsections.js"></script>
  12 <script type="text/javascript" src="tabs.js"></script>
  13 <script type="text/javascript" src="footer.js"></script>
  14 <script type="text/javascript" src="navtree.js"></script>
  15 <link href="navtree.css" rel="stylesheet" type="text/css"/>
  16 <script type="text/javascript" src="resize.js"></script>
  17 <script type="text/javascript" src="navtreedata.js"></script>
  18 <script type="text/javascript" src="navtree.js"></script>
  19 <link href="search/search.css" rel="stylesheet" type="text/css"/>
  20 <script type="text/javascript" src="search/searchdata.js"></script>
  21 <script type="text/javascript" src="search/search.js"></script>
  22 <script type="text/javascript">
  23 /* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
  24   $(document).ready(function() { init_search(); });
  25 /* @license-end */
  26 </script>
  27 <script type="text/javascript" src="darkmode_toggle.js"></script>
  28 <link href="extra_stylesheet.css" rel="stylesheet" type="text/css"/>
  29 <link href="extra_navtree.css" rel="stylesheet" type="text/css"/>
  30 <link href="extra_search.css" rel="stylesheet" type="text/css"/>
  31 <link href="extra_tabs.css" rel="stylesheet" type="text/css"/>
  32 <link href="version.css" rel="stylesheet" type="text/css"/>
  33 <script type="text/javascript" src="../../version.js"></script>
  34 </head>
  35 <body>
  36 <div id="top"><!-- do not remove this div, it is closed by doxygen! -->
  37 <div id="titlearea">
  38 <table cellspacing="0" cellpadding="0">
  39  <tbody>
  40  <tr style="height: 55px;">
  41   <td id="projectlogo" style="padding: 1.5em;"><img alt="Logo" src="cmsis_logo_white_small.png"/></td>
  42   <td style="padding-left: 1em; padding-bottom: 1em;padding-top: 1em;">
  43    <div id="projectname">CMSIS-Core (Cortex-A)
  44    &#160;<span id="projectnumber"><script type="text/javascript">
  45      <!--
  46      writeHeader.call(this);
  47      writeVersionDropdown.call(this, "CMSIS-Core (Cortex-A)");
  48      //-->
  49     </script>
  50    </span>
  51    </div>
  52    <div id="projectbrief">CMSIS-Core support for Cortex-A processor-based devices</div>
  53   </td>
  54    <td>        <div id="MSearchBox" class="MSearchBoxInactive">
  55         <span class="left">
  56           <span id="MSearchSelect"                onmouseover="return searchBox.OnSearchSelectShow()"                onmouseout="return searchBox.OnSearchSelectHide()">&#160;</span>
  57           <input type="text" id="MSearchField" value="" placeholder="Search" accesskey="S"
  58                onfocus="searchBox.OnSearchFieldFocus(true)"
  59                onblur="searchBox.OnSearchFieldFocus(false)"
  60                onkeyup="searchBox.OnSearchFieldChange(event)"/>
  61           </span><span class="right">
  62             <a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.svg" alt=""/></a>
  63           </span>
  64         </div>
  65 </td>
  66   <!--END !PROJECT_NAME-->
  67  </tr>
  68  </tbody>
  69 </table>
  70 </div>
  71 <!-- end header part -->
  72 <div id="CMSISnav" class="tabs1">
  73   <ul class="tablist">
  74     <script type="text/javascript">
  75       writeComponentTabs.call(this);
  76     </script>
  77   </ul>
  78 </div>
  79 <script type="text/javascript">
  80   writeSubComponentTabs.call(this);
  81 </script>
  82 <!-- Generated by Doxygen 1.9.6 -->
  83 <script type="text/javascript">
  84 /* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
  85 var searchBox = new SearchBox("searchBox", "search/",'.html');
  86 /* @license-end */
  87 </script>
  88 </div><!-- top -->
  89 <div id="side-nav" class="ui-resizable side-nav-resizable">
  90   <div id="nav-tree">
  91     <div id="nav-tree-contents">
  92       <div id="nav-sync" class="sync"></div>
  93     </div>
  94   </div>
  95   <div id="splitbar" style="-moz-user-select:none;"
  96        class="ui-resizable-handle">
  97   </div>
  98 </div>
  99 <script type="text/javascript">
 100 /* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
 101 $(document).ready(function(){initNavTree('group__comp__cntrl__gr.html',''); initResizable(); });
 102 /* @license-end */
 103 </script>
 104 <div id="doc-content">
 105 <!-- window showing the filter options -->
 106 <div id="MSearchSelectWindow"
 107      onmouseover="return searchBox.OnSearchSelectShow()"
 108      onmouseout="return searchBox.OnSearchSelectHide()"
 109      onkeydown="return searchBox.OnSearchSelectKey(event)">
 110 </div>
 111
 112 <!-- iframe showing the search results (closed by default) -->
 113 <div id="MSearchResultsWindow">
 114 <div id="MSearchResults">
 115 <div class="SRPage">
 116 <div id="SRIndex">
 117 <div id="SRResults"></div>
 118 <div class="SRStatus" id="Loading">Loading...</div>
 119 <div class="SRStatus" id="Searching">Searching...</div>
 120 <div class="SRStatus" id="NoMatches">No Matches</div>
 121 </div>
 122 </div>
 123 </div>
 124 </div>
 125
 126 <div class="header">
 127   <div class="summary">
 128 <a href="#define-members">Macros</a>  </div>
 129   <div class="headertitle"><div class="title">Compiler Control</div></div>
 130 </div><!--header-->
 131 <div class="contents">
 132
 133 <p>Compiler agnostic #define symbols for generic C/C++ source code.
 134 <a href="#details">More...</a></p>
 135 <table class="memberdecls">
 136 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="define-members" name="define-members"></a>
 137 Macros</h2></td></tr>
 138 <tr class="memitem:gaee91bdfb2b6986731af09835bc9c6e74"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__comp__cntrl__gr.html#gaee91bdfb2b6986731af09835bc9c6e74">__ARM_ARCH_7A__</a></td></tr>
 139 <tr class="memdesc:gaee91bdfb2b6986731af09835bc9c6e74"><td class="mdescLeft">&#160;</td><td class="mdescRight">Set to 1 when generating code for Armv7-A (Cortex-A7)  <br /></td></tr>
 140 <tr class="separator:gaee91bdfb2b6986731af09835bc9c6e74"><td class="memSeparator" colspan="2">&#160;</td></tr>
 141 <tr class="memitem:gab904513442afdf77d4f8c74f23cbb040"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__comp__cntrl__gr.html#gab904513442afdf77d4f8c74f23cbb040">__STATIC_FORCEINLINE</a></td></tr>
 142 <tr class="memdesc:gab904513442afdf77d4f8c74f23cbb040"><td class="mdescLeft">&#160;</td><td class="mdescRight">Define a static function that should be always inlined by the compiler.  <br /></td></tr>
 143 <tr class="separator:gab904513442afdf77d4f8c74f23cbb040"><td class="memSeparator" colspan="2">&#160;</td></tr>
 144 <tr class="memitem:ga4dbb70fab85207c27b581ecb6532b314"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__comp__cntrl__gr.html#ga4dbb70fab85207c27b581ecb6532b314">__PACKED_STRUCT</a></td></tr>
 145 <tr class="memdesc:ga4dbb70fab85207c27b581ecb6532b314"><td class="mdescLeft">&#160;</td><td class="mdescRight">Request smallest possible alignment for a structure.  <br /></td></tr>
 146 <tr class="separator:ga4dbb70fab85207c27b581ecb6532b314"><td class="memSeparator" colspan="2">&#160;</td></tr>
 147 <tr class="memitem:gabe8693a7200e573101551d49a1772fb9"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__comp__cntrl__gr.html#gabe8693a7200e573101551d49a1772fb9">__UNALIGNED_UINT16_READ</a></td></tr>
 148 <tr class="memdesc:gabe8693a7200e573101551d49a1772fb9"><td class="mdescLeft">&#160;</td><td class="mdescRight">Pointer for unaligned read of a uint16_t variable.  <br /></td></tr>
 149 <tr class="separator:gabe8693a7200e573101551d49a1772fb9"><td class="memSeparator" colspan="2">&#160;</td></tr>
 150 <tr class="memitem:gadb9cd73446f7e11e92383cd327a23407"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__comp__cntrl__gr.html#gadb9cd73446f7e11e92383cd327a23407">__UNALIGNED_UINT16_WRITE</a></td></tr>
 151 <tr class="memdesc:gadb9cd73446f7e11e92383cd327a23407"><td class="mdescLeft">&#160;</td><td class="mdescRight">Pointer for unaligned write of a uint16_t variable.  <br /></td></tr>
 152 <tr class="separator:gadb9cd73446f7e11e92383cd327a23407"><td class="memSeparator" colspan="2">&#160;</td></tr>
 153 <tr class="memitem:ga254322c344d954c9f829719a50a88e87"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__comp__cntrl__gr.html#ga254322c344d954c9f829719a50a88e87">__UNALIGNED_UINT32_READ</a></td></tr>
 154 <tr class="memdesc:ga254322c344d954c9f829719a50a88e87"><td class="mdescLeft">&#160;</td><td class="mdescRight">Pointer for unaligned read of a uint32_t variable.  <br /></td></tr>
 155 <tr class="separator:ga254322c344d954c9f829719a50a88e87"><td class="memSeparator" colspan="2">&#160;</td></tr>
 156 <tr class="memitem:gabb2180285c417aa9120a360c51f64b4b"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__comp__cntrl__gr.html#gabb2180285c417aa9120a360c51f64b4b">__UNALIGNED_UINT32_WRITE</a></td></tr>
 157 <tr class="memdesc:gabb2180285c417aa9120a360c51f64b4b"><td class="mdescLeft">&#160;</td><td class="mdescRight">Pointer for unaligned write of a uint32_t variable.  <br /></td></tr>
 158 <tr class="separator:gabb2180285c417aa9120a360c51f64b4b"><td class="memSeparator" colspan="2">&#160;</td></tr>
 159 </table>
 160 <a name="details" id="details"></a><h2 class="groupheader">Description</h2>
 161 <p>Compiler agnostic #define symbols for generic C/C++ source code. </p>
 162 <p>The CMSIS-Core provides the header file <b>cmsis_compiler.h</b> with consistent #define symbols to generate C or C++ source files that should be compiler agnostic. Each CMSIS compliant compiler should support the functionality described in this section. </p>
 163 <h2 class="groupheader">Macro Definition Documentation</h2>
 164 <a id="gaee91bdfb2b6986731af09835bc9c6e74" name="gaee91bdfb2b6986731af09835bc9c6e74"></a>
 165 <h2 class="memtitle"><span class="permalink"><a href="#gaee91bdfb2b6986731af09835bc9c6e74">&#9670;&#160;</a></span>__ARM_ARCH_7A__</h2>
 166
 167 <div class="memitem">
 168 <div class="memproto">
 169       <table class="memname">
 170         <tr>
 171           <td class="memname">#define __ARM_ARCH_7A__</td>
 172         </tr>
 173       </table>
 174 </div><div class="memdoc">
 175
 176 <p>Set to 1 when generating code for Armv7-A (Cortex-A7) </p>
 177 <p>The <b>#define</b> <b>ARM_ARCH_7A</b> is set to 1 when generating code for the Armv7-A architecture. This architecture is for example used by the Cortex-A7 processor. </p>
 178
 179 </div>
 180 </div>
 181 <a id="ga4dbb70fab85207c27b581ecb6532b314" name="ga4dbb70fab85207c27b581ecb6532b314"></a>
 182 <h2 class="memtitle"><span class="permalink"><a href="#ga4dbb70fab85207c27b581ecb6532b314">&#9670;&#160;</a></span>__PACKED_STRUCT</h2>
 183
 184 <div class="memitem">
 185 <div class="memproto">
 186       <table class="memname">
 187         <tr>
 188           <td class="memname">#define __PACKED_STRUCT</td>
 189         </tr>
 190       </table>
 191 </div><div class="memdoc">
 192
 193 <p>Request smallest possible alignment for a structure. </p>
 194 <p>Specifies that a structure must have the smallest possible alignment.</p>
 195 <p><b> Code Example:</b> </p><div class="fragment"><div class="line"><a class="code hl_define" href="group__comp__cntrl__gr.html#ga4dbb70fab85207c27b581ecb6532b314">__PACKED_STRUCT</a> foo {</div>
 196 <div class="line">  uint8_t   u8;</div>
 197 <div class="line">  uint32_t  u32;</div>
 198 <div class="line">  uint16_t  u16;</div>
 199 <div class="line">};</div>
 200 <div class="ttc" id="agroup__comp__cntrl__gr_html_ga4dbb70fab85207c27b581ecb6532b314"><div class="ttname"><a href="group__comp__cntrl__gr.html#ga4dbb70fab85207c27b581ecb6532b314">__PACKED_STRUCT</a></div><div class="ttdeci">#define __PACKED_STRUCT</div><div class="ttdoc">Request smallest possible alignment for a structure.</div><div class="ttdef"><b>Definition:</b> ref_compiler_ctrl.txt:200</div></div>
 201 </div><!-- fragment -->
 202 </div>
 203 </div>
 204 <a id="gab904513442afdf77d4f8c74f23cbb040" name="gab904513442afdf77d4f8c74f23cbb040"></a>
 205 <h2 class="memtitle"><span class="permalink"><a href="#gab904513442afdf77d4f8c74f23cbb040">&#9670;&#160;</a></span>__STATIC_FORCEINLINE</h2>
 206
 207 <div class="memitem">
 208 <div class="memproto">
 209       <table class="memname">
 210         <tr>
 211           <td class="memname">#define __STATIC_FORCEINLINE</td>
 212         </tr>
 213       </table>
 214 </div><div class="memdoc">
 215
 216 <p>Define a static function that should be always inlined by the compiler. </p>
 217 <p>Defines a static function that should be always inlined by the compiler.</p>
 218 <dl class="section note"><dt>Note</dt><dd>For compilers that do not allow to force function inlining, the macro maps to __STATIC_INLINE.</dd></dl>
 219 <p><b> Code Example:</b> </p><div class="fragment"><div class="line">\\ Get Interrupt Vector</div>
 220 <div class="line"><a class="code hl_define" href="group__comp__cntrl__gr.html#gab904513442afdf77d4f8c74f23cbb040">__STATIC_FORCEINLINE</a> uint32_t NVIC_GetVector(<a class="code hl_enumeration" href="group__irq__ctrl__gr.html#ga7e1129cd8a196f4284d41db3e82ad5c8">IRQn_Type</a> IRQn)</div>
 221 <div class="line">{</div>
 222 <div class="line">    uint32_t *vectors = (uint32_t *) ((uintptr_t) SCB-&gt;VTOR);</div>
 223 <div class="line">    <span class="keywordflow">return</span> vectors[(int32_t)IRQn + NVIC_USER_IRQ_OFFSET];</div>
 224 <div class="line">}</div>
 225 <div class="ttc" id="agroup__comp__cntrl__gr_html_gab904513442afdf77d4f8c74f23cbb040"><div class="ttname"><a href="group__comp__cntrl__gr.html#gab904513442afdf77d4f8c74f23cbb040">__STATIC_FORCEINLINE</a></div><div class="ttdeci">#define __STATIC_FORCEINLINE</div><div class="ttdoc">Define a static function that should be always inlined by the compiler.</div><div class="ttdef"><b>Definition:</b> ref_compiler_ctrl.txt:103</div></div>
 226 <div class="ttc" id="agroup__irq__ctrl__gr_html_ga7e1129cd8a196f4284d41db3e82ad5c8"><div class="ttname"><a href="group__irq__ctrl__gr.html#ga7e1129cd8a196f4284d41db3e82ad5c8">IRQn_Type</a></div><div class="ttdeci">IRQn_Type</div><div class="ttdoc">Definition of IRQn numbers.</div><div class="ttdef"><b>Definition:</b> ref_irq_ctrl.txt:79</div></div>
 227 </div><!-- fragment -->
 228 </div>
 229 </div>
 230 <a id="gabe8693a7200e573101551d49a1772fb9" name="gabe8693a7200e573101551d49a1772fb9"></a>
 231 <h2 class="memtitle"><span class="permalink"><a href="#gabe8693a7200e573101551d49a1772fb9">&#9670;&#160;</a></span>__UNALIGNED_UINT16_READ</h2>
 232
 233 <div class="memitem">
 234 <div class="memproto">
 235       <table class="memname">
 236         <tr>
 237           <td class="memname">#define __UNALIGNED_UINT16_READ</td>
 238         </tr>
 239       </table>
 240 </div><div class="memdoc">
 241
 242 <p>Pointer for unaligned read of a uint16_t variable. </p>
 243 <p>Defines a pointer to a uint16_t from an address that does not need to be aligned. This can then be used in read operations. The compiler will generate the appropriate access (aligned or non-aligned) depending on the underlying Arm processor core and compiler settings.</p>
 244 <p><b> Code Example:</b> </p><div class="fragment"><div class="line">uint16_t val16;</div>
 245 <div class="line"> </div>
 246 <div class="line"><span class="keywordtype">void</span> test (uint8_t *ptr) {</div>
 247 <div class="line">   val16 = <a class="code hl_define" href="group__comp__cntrl__gr.html#gabe8693a7200e573101551d49a1772fb9">__UNALIGNED_UINT16_READ</a>(ptr);</div>
 248 <div class="line">}</div>
 249 <div class="ttc" id="agroup__comp__cntrl__gr_html_gabe8693a7200e573101551d49a1772fb9"><div class="ttname"><a href="group__comp__cntrl__gr.html#gabe8693a7200e573101551d49a1772fb9">__UNALIGNED_UINT16_READ</a></div><div class="ttdeci">#define __UNALIGNED_UINT16_READ</div><div class="ttdoc">Pointer for unaligned read of a uint16_t variable.</div><div class="ttdef"><b>Definition:</b> ref_compiler_ctrl.txt:221</div></div>
 250 </div><!-- fragment -->
 251 </div>
 252 </div>
 253 <a id="gadb9cd73446f7e11e92383cd327a23407" name="gadb9cd73446f7e11e92383cd327a23407"></a>
 254 <h2 class="memtitle"><span class="permalink"><a href="#gadb9cd73446f7e11e92383cd327a23407">&#9670;&#160;</a></span>__UNALIGNED_UINT16_WRITE</h2>
 255
 256 <div class="memitem">
 257 <div class="memproto">
 258       <table class="memname">
 259         <tr>
 260           <td class="memname">#define __UNALIGNED_UINT16_WRITE</td>
 261         </tr>
 262       </table>
 263 </div><div class="memdoc">
 264
 265 <p>Pointer for unaligned write of a uint16_t variable. </p>
 266 <p>Defines a pointer to a uint16_t from an address that does not need to be aligned. This can then be used in write operations. The compiler will generate the appropriate access (aligned or non-aligned) depending on the underlying Arm processor core and compiler settings.</p>
 267 <p><b> Code Example:</b> </p><div class="fragment"><div class="line">uint16_t val16 = 0U;</div>
 268 <div class="line"> </div>
 269 <div class="line"><span class="keywordtype">void</span> test (uint8_t *ptr) {</div>
 270 <div class="line">   <a class="code hl_define" href="group__comp__cntrl__gr.html#gadb9cd73446f7e11e92383cd327a23407">__UNALIGNED_UINT16_WRITE</a>(ptr, val16);</div>
 271 <div class="line">}</div>
 272 <div class="ttc" id="agroup__comp__cntrl__gr_html_gadb9cd73446f7e11e92383cd327a23407"><div class="ttname"><a href="group__comp__cntrl__gr.html#gadb9cd73446f7e11e92383cd327a23407">__UNALIGNED_UINT16_WRITE</a></div><div class="ttdeci">#define __UNALIGNED_UINT16_WRITE</div><div class="ttdoc">Pointer for unaligned write of a uint16_t variable.</div><div class="ttdef"><b>Definition:</b> ref_compiler_ctrl.txt:242</div></div>
 273 </div><!-- fragment -->
 274 </div>
 275 </div>
 276 <a id="ga254322c344d954c9f829719a50a88e87" name="ga254322c344d954c9f829719a50a88e87"></a>
 277 <h2 class="memtitle"><span class="permalink"><a href="#ga254322c344d954c9f829719a50a88e87">&#9670;&#160;</a></span>__UNALIGNED_UINT32_READ</h2>
 278
 279 <div class="memitem">
 280 <div class="memproto">
 281       <table class="memname">
 282         <tr>
 283           <td class="memname">#define __UNALIGNED_UINT32_READ</td>
 284         </tr>
 285       </table>
 286 </div><div class="memdoc">
 287
 288 <p>Pointer for unaligned read of a uint32_t variable. </p>
 289 <p>Defines a pointer to a uint32_t from an address that does not need to be aligned. This can then be used in read operations. The compiler will generate the appropriate access (aligned or non-aligned) depending on the underlying Arm processor core and compiler settings.</p>
 290 <p><b> Code Example:</b> </p><div class="fragment"><div class="line">uint32_t val32;</div>
 291 <div class="line"> </div>
 292 <div class="line"><span class="keywordtype">void</span> test (uint8_t *ptr) {</div>
 293 <div class="line">   val32 = <a class="code hl_define" href="group__comp__cntrl__gr.html#ga254322c344d954c9f829719a50a88e87">__UNALIGNED_UINT32_READ</a>(ptr);</div>
 294 <div class="line">}</div>
 295 <div class="ttc" id="agroup__comp__cntrl__gr_html_ga254322c344d954c9f829719a50a88e87"><div class="ttname"><a href="group__comp__cntrl__gr.html#ga254322c344d954c9f829719a50a88e87">__UNALIGNED_UINT32_READ</a></div><div class="ttdeci">#define __UNALIGNED_UINT32_READ</div><div class="ttdoc">Pointer for unaligned read of a uint32_t variable.</div><div class="ttdef"><b>Definition:</b> ref_compiler_ctrl.txt:263</div></div>
 296 </div><!-- fragment -->
 297 </div>
 298 </div>
 299 <a id="gabb2180285c417aa9120a360c51f64b4b" name="gabb2180285c417aa9120a360c51f64b4b"></a>
 300 <h2 class="memtitle"><span class="permalink"><a href="#gabb2180285c417aa9120a360c51f64b4b">&#9670;&#160;</a></span>__UNALIGNED_UINT32_WRITE</h2>
 301
 302 <div class="memitem">
 303 <div class="memproto">
 304       <table class="memname">
 305         <tr>
 306           <td class="memname">#define __UNALIGNED_UINT32_WRITE</td>
 307         </tr>
 308       </table>
 309 </div><div class="memdoc">
 310
 311 <p>Pointer for unaligned write of a uint32_t variable. </p>
 312 <p>Defines a pointer to a uint32_t from an address that does not need to be aligned. This can then be used in write operations. The compiler will generate the appropriate access (aligned or non-aligned) depending on the underlying Arm processor core and compiler settings.</p>
 313 <p><b> Code Example:</b> </p><div class="fragment"><div class="line">uint32_t val32 = 0U;</div>
 314 <div class="line"> </div>
 315 <div class="line"><span class="keywordtype">void</span> test (uint8_t *ptr) {</div>
 316 <div class="line">   <a class="code hl_define" href="group__comp__cntrl__gr.html#gabb2180285c417aa9120a360c51f64b4b">__UNALIGNED_UINT32_WRITE</a>(ptr, val32);</div>
 317 <div class="line">}</div>
 318 <div class="ttc" id="agroup__comp__cntrl__gr_html_gabb2180285c417aa9120a360c51f64b4b"><div class="ttname"><a href="group__comp__cntrl__gr.html#gabb2180285c417aa9120a360c51f64b4b">__UNALIGNED_UINT32_WRITE</a></div><div class="ttdeci">#define __UNALIGNED_UINT32_WRITE</div><div class="ttdoc">Pointer for unaligned write of a uint32_t variable.</div><div class="ttdef"><b>Definition:</b> ref_compiler_ctrl.txt:284</div></div>
 319 </div><!-- fragment -->
 320 </div>
 321 </div>
 322 </div><!-- contents -->
 323 </div><!-- doc-content -->
 324 <!-- start footer part -->
 325 <div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
 326   <ul>
 327     <li class="footer">
 328       <script type="text/javascript">
 329         <!--
 330         writeFooter.call(this);
 331         //-->
 332       </script>
 333     </li>
 334   </ul>
 335 </div>
 336 </body>
 337 </html>