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<title>CMSIS-DAP: Firmware Configuration</title>
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<div id="projectname">CMSIS-DAP
 <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">Firmware Configuration</div> </div>
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<p>CMSIS-DAP is designed for Debug Units with Cortex-M microcontroller.
<a href="#details">More...</a></p>
<table class="memberdecls">
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Content</h2></td></tr>
<tr class="memitem:group___d_a_p___config_m_c_u__gr"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="group___d_a_p___config_m_c_u__gr.html">Debug Unit Processor</a></td></tr>
<tr class="memdesc:group___d_a_p___config_m_c_u__gr"><td class="mdescLeft"> </td><td class="mdescRight">CMSIS-DAP Firmware runs on Debug Units with a Cortex-M Microcontroller. <br/></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:group___d_a_p___config_i_o__gr"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="group___d_a_p___config_i_o__gr.html">Configure I/O Ports and Debug Unit</a></td></tr>
<tr class="memdesc:group___d_a_p___config_i_o__gr"><td class="mdescLeft"> </td><td class="mdescRight">DAP_config.h configures I/O ports and Debug Unit hardware parameters. <br/></td></tr>
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<tr class="memitem:group___d_a_p___config_u_s_b__gr"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="group___d_a_p___config_u_s_b__gr.html">Configure USB Peripheral</a></td></tr>
<tr class="memdesc:group___d_a_p___config_u_s_b__gr"><td class="mdescLeft"> </td><td class="mdescRight">CMSIS-DAP Firmware uses USB HID as interface to host computer. <br/></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:group___d_a_p___config_flash__gr"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="group___d_a_p___config_flash__gr.html">Flash Program Firmware</a></td></tr>
<tr class="memdesc:group___d_a_p___config_flash__gr"><td class="mdescLeft"> </td><td class="mdescRight">The CMSIS-DAP Firmware is programmed into Flash ROM of a Debug Unit. <br/></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Description</h2>
<p>CMSIS-DAP is designed for Debug Units with Cortex-M microcontroller. </p>
<p>The CMSIS-DAP firmware can be deployed to a Debug Unit that is based on Cortex-M processor-based microcontroller.</p>
<div class="image">
<img src="CMSIS_DAP_DEBUG_UNIT.png" alt="CMSIS_DAP_DEBUG_UNIT.png"/>
<div class="caption">
CMSIS-DAP Debug Unit Hardware</div></div>
<p> The picture below shows the setup with an isolation adapter.</p>
<div class="image">
<img src="CMSIS_DAP_DEBUG_UNIT_ISO.png" alt="CMSIS_DAP_DEBUG_UNIT_ISO.png"/>
<div class="caption">
CMSIS-DAP Debug Unit with Isolation adapter</div></div>
<h2>Hardware Requirements</h2>
<p>The CMSIS-DAP Firmware is designed for Debug Units that fulfill the following hardware requirements:</p>
<ul>
<li>Cortex-M0, Cortex-M0+, Cortex-M3, or Cortex-M4 processor-based microcontroller.</li>
<li>CPU Clock: 48MHz or higher; Microcontroller must have a SYSTICK timer.</li>
<li>RAM: 8KB or more; Flash ROM: 16KB or more.</li>
<li>Full-speed or High-speed USB Device Peripheral.</li>
<li>7 standard I/O pins for JTAG/SWD Device Interface.</li>
<li>optional 2 I/O pins for Status LEDs.</li>
<li>optional UART to support SWO capturing (Rx pin connected to SWO)</li>
</ul>
<h2>CMSIS-DAP Firmware</h2>
<p>The CMSIS-DAP Firmware can be configured for a new Debug Unit using the <a href="http://www.keil.com/mdk5" target="_blank">Keil MDK Professional Edition</a>. Reference implementations are provided as source code with complete project files and may be used as starting point for the firmware deployment to a new Debug Unit.</p>
<p>The folder <b> .\Firmware\Config</b> contains a template of the <b>DAP_config.h</b> configuration file. Various adaptations for different target hardware are provided.</p>
<table class="doxtable">
<tr>
<th>Folders and Files </th><th>Description</th></tr>
<tr>
<td>.\Firmware\Example\LPC-Link-II </td><td>CMSIS-DAP Firmware adapted to the NXP LPC-Link-II Debug Unit that is part of the LPCxpresso-II platform. </td></tr>
<tr>
<td>.\Firmware\Example\XMC4200 </td><td>CMSIS-DAP Firmware adapted to the Infineon XMC4200-based Debug Unit. </td></tr>
</table>
<p>The CMSIS-DAP Firmware is designed to execute on a Debug Unit that is using a Cortex-M0, Cortex-M0+, Cortex-M3, or Cortex-M4 processor-based microcontroller. To deploy the firmware to a new Debug Unit copy an existing firmware adaption to a new folder. For example, copy the folder .\Firmware\XMC4200 to a folder called .\Firmware\MyDebugUnit.</p>
<p>To following steps describe the adaption of the CMSIS-DAP Firmware to a new Debug Unit:</p>
<ol type="1">
<li><a class="el" href="group___d_a_p___config_m_c_u__gr.html">Debug Unit Processor</a> : Select the microcontroller and replace the CMSIS-CORE files.</li>
<li><a class="el" href="group___d_a_p___config_i_o__gr.html">Configure I/O Ports and Debug Unit</a> : Adapt the I/O Ports and specify other parameters for the Debug Unit.</li>
<li><a class="el" href="group___d_a_p___config_u_s_b__gr.html">Configure USB Peripheral</a> : Adapt the USB Peripheral to the microcontroller.</li>
<li><a class="el" href="group___d_a_p___u_s_a_r_t__gr.html">Connect SWO Trace</a> : Optional you may add a CMSIS-Driver USART to interface to SWO.</li>
<li><a class="el" href="group___d_a_p___vendor__gr.html">CMSIS-DAP Vendor Commands</a> : Optional you may add vendor specific commands to the Debug Unit.</li>
<li><a class="el" href="group___d_a_p___config_flash__gr.html">Flash Program Firmware</a> : Program the adapted firmware to the Flash ROM of the new Debug Unit.</li>
<li><a class="el" href="group___d_a_p___validate__gr.html">Validate Debug Unit</a> : Validate the CMSIS-DAP firmware of the new Debug Unit. </li>
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