155 lines
6.3 KiB
HTML
155 lines
6.3 KiB
HTML
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<title>CMSIS-DAP: DAP_SWO_Data</title>
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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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<div class="title">DAP_SWO_Data<div class="ingroups"><a class="el" href="group__DAP__swo__gr.html">SWO Commands</a></div></div> </div>
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<p>Read SWO trace data.
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<a href="#details">More...</a></p>
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<p>Read SWO trace data. </p>
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<h2>DAP_SWO_Data (0x1C): </h2>
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<p>Reads the captured SWO trace data from Trace Buffer.</p>
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<p><b>DAP_SWO_Data Request:</b> </p>
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<div class="fragment"><div class="line"> BYTE | SHORT |</div>
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<div class="line">> 0x1C | Trace Count |</div>
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<div class="line"> |*************|</div>
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</div><!-- fragment --><ul>
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<li><b>Trace Count</b>: Maxim number of Trace Data bytes to read</li>
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</ul>
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<p><b>DAP_SWO_Data Response:</b> </p>
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<div class="fragment"><div class="line"> BYTE | BYTE | SHORT | BYTE |</div>
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<div class="line">< 0x1C | Trace Status | Trace Count | Trace Data |</div>
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<div class="line"> |**************|*************|<span class="comment">////////////|</span></div>
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</div><!-- fragment --><ul>
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<li><b>Trace Status</b>:<ul>
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<li>Bit 0: Trace Capture (1 - active, 0 - inactive)</li>
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<li>Bit 6: Trace Stream Error</li>
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<li>Bit 7: Trace Buffer Overrun</li>
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</ul>
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</li>
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<li><b>Trace Count</b>: Number of Trace Data bytes read</li>
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<li><b>Trace Data</b>: Trace Data bytes read </li>
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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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