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49 lines
1.8 KiB
49 lines
1.8 KiB
<script type="text/x-red" data-help-name="AudioPlayQueue">
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<h3>Summary</h3>
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<div class=tooltipinfo>
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<p>Play audio data provided by the Arduino sketch. This object provides
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functions to allow the sketch code to push data into the audio system.</p>
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</div>
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<h3>Audio Connections</h3>
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<table class=doc align=center cellpadding=3>
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<tr class=top><th>Port</th><th>Purpose</th></tr>
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<tr class=odd><td align=center>Out 0</td><td>Sound Output</td></tr>
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</table>
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<h3>Functions</h3>
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<p class=func><span class=keyword>play</span>(int16);</p>
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<p class=desc>not yet implemented
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</p>
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<p class=func><span class=keyword>play</span>(int16[], length);</p>
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<p class=desc>not yet implemented
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</p>
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<p class=func><span class=keyword>getBuffer</span>();</p>
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<p class=desc>Returns a pointer to an array of 128 int16. This buffer
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is within the audio library memory pool, providing the most efficient
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way to input data to the audio system. The buffer is likely to be
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populated by previously used data, so the entire 128 words should be
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written before calling playBuffer(). Only a single buffer should be
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requested at a time. This function may return NULL if no memory is
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available.
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</p>
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<p class=func><span class=keyword>playBuffer</span>();</p>
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<p class=desc>Transmit the buffer previously obtained from getBuffer().
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</p>
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<h3>Examples</h3>
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<p><a href="http://community.arm.com/groups/embedded/blog/2014/05/23/led-video-panel-at-maker-faire-2014" target="_blank">4320 LED Video+Sound Project</a>
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</p>
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<!--
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<p class=exam>File > Examples > Audio >
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</p>
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-->
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<h3>Notes</h3>
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<p>TODO: many caveats....</p>
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<p>
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</p>
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</script>
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<script type="text/x-red" data-template-name="AudioPlayQueue">
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<div class="form-row">
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<label for="node-input-name"><i class="fa fa-tag"></i> Name</label>
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<input type="text" id="node-input-name" placeholder="Name">
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</div>
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</script>
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