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<title>CMSIS-DAP: CMSIS-DAP Initialization</title>
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<div id="projectname">CMSIS-DAP
 <span id="projectnumber">Version 2.0.0</span>
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<div id="projectbrief">Interface Firmware for CoreSight Debug Access Port</div>
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<div class="title">CMSIS-DAP Initialization<div class="ingroups"><a class="el" href="group__DAP__ConfigIO__gr.html">Configure I/O Ports and Debug Unit</a></div></div> </div>
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<p>CMSIS-DAP Hardware I/O and LED Pins are initialized with the function <a class="el" href="group__DAP__Config__Initialization__gr.html#ga6d4656af10c47ec0d6c0389be2dbb4bb">DAP_SETUP</a>.
<a href="#details">More...</a></p>
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Functions</h2></td></tr>
<tr class="memitem:ga6d4656af10c47ec0d6c0389be2dbb4bb"><td class="memItemLeft" align="right" valign="top">__STATIC_INLINE void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__DAP__Config__Initialization__gr.html#ga6d4656af10c47ec0d6c0389be2dbb4bb">DAP_SETUP</a> (void)</td></tr>
<tr class="memdesc:ga6d4656af10c47ec0d6c0389be2dbb4bb"><td class="mdescLeft"> </td><td class="mdescRight">Setup of the Debug Unit I/O pins and LEDs (called when Debug Unit is initialized). <a href="#ga6d4656af10c47ec0d6c0389be2dbb4bb">More...</a><br/></td></tr>
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<tr class="memitem:gaa0feceaeee69d69927d8a9beb0272dd7"><td class="memItemLeft" align="right" valign="top">__STATIC_INLINE uint8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__DAP__Config__Initialization__gr.html#gaa0feceaeee69d69927d8a9beb0272dd7">RESET_TARGET</a> (void)</td></tr>
<tr class="memdesc:gaa0feceaeee69d69927d8a9beb0272dd7"><td class="mdescLeft"> </td><td class="mdescRight">Reset Target Device with custom specific I/O pin or command sequence. <a href="#gaa0feceaeee69d69927d8a9beb0272dd7">More...</a><br/></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Description</h2>
<p>CMSIS-DAP Hardware I/O and LED Pins are initialized with the function <a class="el" href="group__DAP__Config__Initialization__gr.html#ga6d4656af10c47ec0d6c0389be2dbb4bb">DAP_SETUP</a>. </p>
<h2 class="groupheader">Function Documentation</h2>
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<td class="memname">__STATIC_INLINE void DAP_SETUP </td>
<td>(</td>
<td class="paramtype">void </td>
<td class="paramname"></td><td>)</td>
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<p>Setup of the Debug Unit I/O pins and LEDs (called when Debug Unit is initialized). </p>
<p>This function performs the initialization of the CMSIS-DAP Hardware I/O Pins and the Status LEDs. In detail the operation of Hardware I/O and LED pins are enabled and set:</p>
<ul>
<li>I/O clock system enabled.</li>
<li>all I/O pins: input buffer enabled, output pins are set to HighZ mode.</li>
<li>for nTRST, nRESET a weak pull-up (if available) is enabled.</li>
<li>LED output pins are enabled and LEDs are turned off. </li>
</ul>
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<td class="memname">__STATIC_INLINE uint8_t RESET_TARGET </td>
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<td class="paramtype">void </td>
<td class="paramname"></td><td>)</td>
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<p>Reset Target Device with custom specific I/O pin or command sequence. </p>
<p>This function allows the optional implementation of a device specific reset sequence. It is called when the command <a class="el" href="group__DAP__ResetTarget.html">DAP_ResetTarget</a> and is for example required when a device needs a time-critical unlock sequence that enables the debug port. </p>
<dl class="section return"><dt>Returns</dt><dd>0 = no device specific reset sequence is implemented.<br/>
1 = a device specific reset sequence is implemented. </dd></dl>
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