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<div class="title">audio.c File Reference</div> </div>
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<p>play sound
<a href="#details">More...</a></p>
<div class="textblock"><code>#include "<a class="el" href="audio_8h_source.html">audio.h</a>"</code><br />
<code>#include "Board_DAC.h"</code><br />
<code>#include "LPC17xx.h"</code><br />
<code>#include "<a class="el" href="melody_8h_source.html">melody.h</a>"</code><br />
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Include dependency graph for audio.c:</div>
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<div class="center"><img src="audio_8c__incl.png" border="0" usemap="#aaudio_8c" alt=""/></div>
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<area shape="rect" title="play sound" alt="" coords="176,5,240,32"/>
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</div><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="nested-classes"></a>
Data Structures</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_audio_state.html">AudioState</a></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="define-members"></a>
Macros</h2></td></tr>
<tr class="memitem:aec76f908a21158996e963cef04a0aaa2"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="audio_8c.html#aec76f908a21158996e963cef04a0aaa2">FREQ</a>(x)   ((x & 0xffff0000) >> 16)</td></tr>
<tr class="separator:aec76f908a21158996e963cef04a0aaa2"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a0725575741a1a6a5db27c18cb2a1a004"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="audio_8c.html#a0725575741a1a6a5db27c18cb2a1a004">WAVES</a>(x)   (x & 0xffff)</td></tr>
<tr class="separator:a0725575741a1a6a5db27c18cb2a1a004"><td class="memSeparator" colspan="2"> </td></tr>
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Functions</h2></td></tr>
<tr class="memitem:aca327a7c4cc766624e711ae9f5614428"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="audio_8c.html#aca327a7c4cc766624e711ae9f5614428">bPerformAudioStep</a> ()</td></tr>
<tr class="separator:aca327a7c4cc766624e711ae9f5614428"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a03c68635f0cf80298fad08fb45dd0e1a"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="audio_8c.html#a03c68635f0cf80298fad08fb45dd0e1a">TIMER0_IRQHandler</a> ()</td></tr>
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<tr class="memitem:ad34bc4296cfe06211de0b37d8793dc8e"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="audio_8c.html#ad34bc4296cfe06211de0b37d8793dc8e">vStartAudio</a> ()</td></tr>
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Variables</h2></td></tr>
<tr class="memitem:a8a56aefdf1b32069ac591c21c72e4206"><td class="memItemLeft" align="right" valign="top">static struct <a class="el" href="struct_audio_state.html">AudioState</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="audio_8c.html#a8a56aefdf1b32069ac591c21c72e4206">sAudioState</a></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>play sound </p>
<dl class="section author"><dt>Author</dt><dd>Lukas Fürderer </dd></dl>
<dl class="section version"><dt>Version</dt><dd>V1.0 </dd></dl>
<dl class="section date"><dt>Date</dt><dd>15.11.2020</dd></dl>
<p>This file contains the main app function and init. </p>
</div><h2 class="groupheader">Macro Definition Documentation</h2>
<a id="aec76f908a21158996e963cef04a0aaa2"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aec76f908a21158996e963cef04a0aaa2">◆ </a></span>FREQ</h2>
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<td class="memname">#define FREQ</td>
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<td class="paramtype"> </td>
<td class="paramname">x</td><td>)</td>
<td>   ((x & 0xffff0000) >> 16)</td>
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<h2 class="memtitle"><span class="permalink"><a href="#a0725575741a1a6a5db27c18cb2a1a004">◆ </a></span>WAVES</h2>
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<td class="memname">#define WAVES</td>
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<td class="paramtype"> </td>
<td class="paramname">x</td><td>)</td>
<td>   (x & 0xffff)</td>
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<h2 class="groupheader">Function Documentation</h2>
<a id="aca327a7c4cc766624e711ae9f5614428"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aca327a7c4cc766624e711ae9f5614428">◆ </a></span>bPerformAudioStep()</h2>
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<td class="memname">bool bPerformAudioStep </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
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<h2 class="memtitle"><span class="permalink"><a href="#a03c68635f0cf80298fad08fb45dd0e1a">◆ </a></span>TIMER0_IRQHandler()</h2>
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<td class="memname">void TIMER0_IRQHandler </td>
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<h2 class="memtitle"><span class="permalink"><a href="#ad34bc4296cfe06211de0b37d8793dc8e">◆ </a></span>vStartAudio()</h2>
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<td class="memname">void vStartAudio </td>
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<td class="paramtype">void </td>
<td class="paramname"></td><td>)</td>
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<h2 class="groupheader">Variable Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a8a56aefdf1b32069ac591c21c72e4206">◆ </a></span>sAudioState</h2>
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<td class="memname">struct <a class="el" href="struct_audio_state.html">AudioState</a> sAudioState</td>
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<span class="mlabels"><span class="mlabel">static</span></span> </td>
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