209 lines
9.6 KiB
HTML
209 lines
9.6 KiB
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<title>CMSIS-DAP Initialization</title>
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<title>CMSIS-DAP: CMSIS-DAP Initialization</title>
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<td id="projectlogo"><img alt="Logo" src="CMSIS_Logo_Final.png"/></td>
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<td style="padding-left: 0.5em;">
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<div id="projectname">CMSIS-DAP
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 <span id="projectnumber">Version 1.1.0</span>
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</div>
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<div id="projectbrief">Interface Firmware for CoreSight Debug Access Port</div>
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</td>
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<li><a href="index.html"><span>Main Page</span></a></li>
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<li><a href="pages.html"><span>Usage and Description</span></a></li>
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<a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(0)"><span class="SelectionMark"> </span>All</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(1)"><span class="SelectionMark"> </span>Functions</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(2)"><span class="SelectionMark"> </span>Groups</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(3)"><span class="SelectionMark"> </span>Pages</a></div>
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<div class="header">
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<div class="summary">
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<a href="#func-members">Functions</a> </div>
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<div class="headertitle">
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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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<div class="contents">
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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#ga18407e5070a3aad09ba3773acffb05cf">DAP_SETUP</a>.
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<a href="#details">More...</a></p>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
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Functions</h2></td></tr>
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<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__DAP__Config__Initialization__gr.html#ga18407e5070a3aad09ba3773acffb05cf">DAP_SETUP</a> (void)</td></tr>
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<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">More...</a><br/></td></tr>
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<tr class="separator:ga18407e5070a3aad09ba3773acffb05cf"><td class="memSeparator" colspan="2"> </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__DAP__Config__Initialization__gr.html#gac9d308f719319dd892cc8be7459c83f0">RESET_TARGET</a> (void)</td></tr>
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<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">More...</a><br/></td></tr>
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<tr class="separator:gac9d308f719319dd892cc8be7459c83f0"><td class="memSeparator" colspan="2"> </td></tr>
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</table>
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<a name="details" id="details"></a><h2 class="groupheader">Description</h2>
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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#ga18407e5070a3aad09ba3773acffb05cf">DAP_SETUP</a>. </p>
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<h2 class="groupheader">Function Documentation</h2>
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<a class="anchor" id="ga18407e5070a3aad09ba3773acffb05cf"></a>
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<div class="memitem">
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<div class="memproto">
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<table class="mlabels">
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<tr>
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<td class="mlabels-left">
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<table class="memname">
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<tr>
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<td class="memname">static __inline void DAP_SETUP </td>
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<td>(</td>
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<td class="paramtype">void </td>
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<td class="paramname"></td><td>)</td>
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<td></td>
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</tr>
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</table>
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</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">static</span></span> </td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Setup of the Debug Unit I/O pins and LEDs (called when Debug Unit is initialized). </p>
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<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>
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<ul>
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<li>I/O clock system enabled.</li>
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<li>all I/O pins: input buffer enabled, output pins are set to HighZ mode.</li>
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<li>for nTRST, nRESET a weak pull-up (if available) is enabled.</li>
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<li>LED output pins are enabled and LEDs are turned off. </li>
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</ul>
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</div>
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</div>
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<a class="anchor" id="gac9d308f719319dd892cc8be7459c83f0"></a>
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<div class="memitem">
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<div class="memproto">
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<table class="mlabels">
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<tr>
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<td class="mlabels-left">
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<table class="memname">
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<tr>
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<td class="memname">static __inline uint8_t RESET_TARGET </td>
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<td>(</td>
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<td class="paramtype">void </td>
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<td class="paramname"></td><td>)</td>
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<td></td>
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</tr>
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</table>
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</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">static</span></span> </td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Reset Target Device with custom specific I/O pin or command sequence. </p>
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<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>
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<dl class="section return"><dt>Returns</dt><dd>0 = no device specific reset sequence is implemented.<br/>
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1 = a device specific reset sequence is implemented. </dd></dl>
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</div>
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</div>
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</div><!-- contents -->
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<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
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<ul>
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<li class="footer">Generated on Wed Feb 8 2017 10:20:42 for CMSIS-DAP by ARM Ltd. All rights reserved.
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