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<title>CMSIS-DAP: CMSIS-DAP Initialization</title>
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 <span id="projectnumber">Version 1.1.0</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> </div>
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<p>CMSIS-DAP Hardware I/O and LED Pins are initialized with the function <a class="el" href="group___d_a_p___config___initialization__gr.html#ga18407e5070a3aad09ba3773acffb05cf">DAP_SETUP</a>.
<a href="#details">More...</a></p>
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Functions</h2></td></tr>
<tr class="memitem:ga18407e5070a3aad09ba3773acffb05cf"><td class="memItemLeft" align="right" valign="top">static __inline void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___d_a_p___config___initialization__gr.html#ga18407e5070a3aad09ba3773acffb05cf">DAP_SETUP</a> (void)</td></tr>
<tr class="memdesc:ga18407e5070a3aad09ba3773acffb05cf"><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="#ga18407e5070a3aad09ba3773acffb05cf"></a><br/></td></tr>
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<tr class="memitem:gac9d308f719319dd892cc8be7459c83f0"><td class="memItemLeft" align="right" valign="top">static __inline uint8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group___d_a_p___config___initialization__gr.html#gac9d308f719319dd892cc8be7459c83f0">RESET_TARGET</a> (void)</td></tr>
<tr class="memdesc:gac9d308f719319dd892cc8be7459c83f0"><td class="mdescLeft"> </td><td class="mdescRight">Reset Target Device with custom specific I/O pin or command sequence. <a href="#gac9d308f719319dd892cc8be7459c83f0"></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___d_a_p___config___initialization__gr.html#ga18407e5070a3aad09ba3773acffb05cf">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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<span class="mlabels"><span class="mlabel">static</span></span> </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>
<td>(</td>
<td class="paramtype">void </td>
<td class="paramname"></td><td>)</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___d_a_p___reset_target.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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