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<title>CMSIS-Driver: Common Driver Definitions</title>
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 <span id="projectnumber">Version 2.7.1</span>
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<div class="title">Common Driver Definitions</div> </div>
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<p>Definitions common in all driver interfaces (Driver_Common.h)
<a href="#details">More...</a></p>
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Content</h2></td></tr>
<tr class="memitem:group__execution__status"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__execution__status.html">Status Error Codes</a></td></tr>
<tr class="memdesc:group__execution__status"><td class="mdescLeft"> </td><td class="mdescRight">Negative return values of functions indicate errors occurred during execution. <br/></td></tr>
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Data Structures</h2></td></tr>
<tr class="memitem:structARM__DRIVER__VERSION"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="group__common__drv__gr.html#structARM__DRIVER__VERSION">ARM_DRIVER_VERSION</a></td></tr>
<tr class="memdesc:structARM__DRIVER__VERSION"><td class="mdescLeft"> </td><td class="mdescRight">Driver Version. <a href="group__common__drv__gr.html#structARM__DRIVER__VERSION">More...</a><br/></td></tr>
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Enumerations</h2></td></tr>
<tr class="memitem:ga47d6d7c31f88f3b8ae4aaf9d8444afa5"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="group__common__drv__gr.html#ga47d6d7c31f88f3b8ae4aaf9d8444afa5">ARM_POWER_STATE</a> { <br/>
  <a class="el" href="group__common__drv__gr.html#ga47d6d7c31f88f3b8ae4aaf9d8444afa5ab6f5becc85ebd51c3dd2524a95d2ca35">ARM_POWER_OFF</a>,
<br/>
  <a class="el" href="group__common__drv__gr.html#ga47d6d7c31f88f3b8ae4aaf9d8444afa5a9ef9e57cbcc948d0e22314e73dc8c434">ARM_POWER_LOW</a>,
<br/>
  <a class="el" href="group__common__drv__gr.html#ga47d6d7c31f88f3b8ae4aaf9d8444afa5abed52b77a9ce4775570e44a842b1295e">ARM_POWER_FULL</a>
<br/>
}</td></tr>
<tr class="memdesc:ga47d6d7c31f88f3b8ae4aaf9d8444afa5"><td class="mdescLeft"> </td><td class="mdescRight">General power states. <a href="group__common__drv__gr.html#ga47d6d7c31f88f3b8ae4aaf9d8444afa5">More...</a><br/></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Description</h2>
<p>Definitions common in all driver interfaces (Driver_Common.h) </p>
<p>The following definitions are common in all CMSIS-Driver interfaces. Refer to <a class="el" href="theoryOperation.html#DriverFunctions">Common Driver Functions</a> for a general overview. </p>
<hr/><h2 class="groupheader">Data Structure Documentation</h2>
<a name="structARM__DRIVER__VERSION" id="structARM__DRIVER__VERSION"></a>
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<td class="memname">struct ARM_DRIVER_VERSION</td>
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<div class="textblock"><p>Driver Version. </p>
<p>The access structure of each CMSIS-Driver provides the function <b>GetVersion</b>, which returns in the struct <a class="el" href="group__common__drv__gr.html#structARM__DRIVER__VERSION" title="Driver Version. ">ARM_DRIVER_VERSION</a>:</p>
<ul>
<li>API version, which is the version of the CMSIS-Driver specification used to implement this driver.</li>
<li>Driver version, which is the source code version of the actual driver implementation.</li>
</ul>
<p>The version is encoded as 16-bit unsigned value (uint16_t) with:</p>
<ul>
<li>high-byte: major version.</li>
<li>low-byte: minor version.</li>
</ul>
<p>For example, version 1.12 is encoded as 0x10C. </p>
</div><table class="fieldtable">
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<tr><td class="fieldtype">
<a class="anchor" id="ad180da20fbde1d3dafc074af87c19540"></a>uint16_t</td>
<td class="fieldname">
api</td>
<td class="fielddoc">
API version. </td></tr>
<tr><td class="fieldtype">
<a class="anchor" id="adcd153bc4507926c792e86ebe74e6455"></a>uint16_t</td>
<td class="fieldname">
drv</td>
<td class="fielddoc">
Driver version. </td></tr>
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<h2 class="groupheader">Enumeration Type Documentation</h2>
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<td class="memname">enum <a class="el" href="group__common__drv__gr.html#ga47d6d7c31f88f3b8ae4aaf9d8444afa5">ARM_POWER_STATE</a></td>
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<p>General power states. </p>
<p>The access structure of each CMSIS-Driver provides the function <b>PowerControl</b>, which handles the power profile for a peripheral using the parameter <a class="el" href="group__common__drv__gr.html#ga47d6d7c31f88f3b8ae4aaf9d8444afa5">ARM_POWER_STATE</a>. Depending on this parameter, the peripheral will operate at full speed, detect just events, or is completely un-powered.</p>
<p>Refer to <a class="el" href="theoryOperation.html#CallSequence">Function Call Sequence</a> for more information. </p>
<table class="fieldtable">
<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><em><a class="anchor" id="ga47d6d7c31f88f3b8ae4aaf9d8444afa5ab6f5becc85ebd51c3dd2524a95d2ca35"></a>ARM_POWER_OFF</em> </td><td class="fielddoc">
<p>Power off: no operation possible. </p>
</td></tr>
<tr><td class="fieldname"><em><a class="anchor" id="ga47d6d7c31f88f3b8ae4aaf9d8444afa5a9ef9e57cbcc948d0e22314e73dc8c434"></a>ARM_POWER_LOW</em> </td><td class="fielddoc">
<p>Low Power mode: retain state, detect and signal wake-up events. </p>
</td></tr>
<tr><td class="fieldname"><em><a class="anchor" id="ga47d6d7c31f88f3b8ae4aaf9d8444afa5abed52b77a9ce4775570e44a842b1295e"></a>ARM_POWER_FULL</em> </td><td class="fielddoc">
<p>Power on: full operation at maximum performance. </p>
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