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<h1>buzzer.h</h1><a href="buzzer_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 
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<a name="l00011"></a>00011 <span class="preprocessor">#ifndef _BUZZER_H_</span>
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<a name="l00012"></a>00012 <span class="preprocessor"></span><span class="preprocessor">#define _BUZZER_H_</span>
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<a name="l00013"></a>00013 <span class="preprocessor"></span>
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<a name="l00019"></a>00019 <span class="comment">//Musical note definitions</span>
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<a name="l00020"></a>00020 <span class="comment">//Source: http://www.answers.com/topic/piano-key-frequencies</span>
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<a name="l00022"></a><a class="code" href="group__buzzer.html#gcc39015f57b2efb8810b603f188bdf15">00022</a> <span class="comment"></span><span class="preprocessor">#define C4      260 //Middle C</span>
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<a name="l00023"></a>00023 <span class="preprocessor"></span>
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<a name="l00024"></a><a class="code" href="group__buzzer.html#g879790f58417f0986370ddbcda404ed0">00024</a> <span class="preprocessor">#define C4s     277 //C sharp</span>
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<a name="l00025"></a>00025 <span class="preprocessor"></span>
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<a name="l00026"></a><a class="code" href="group__buzzer.html#g3d9bb178282c3cb69740c94ba1e48fed">00026</a> <span class="preprocessor">#define D4      294</span>
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<a name="l00027"></a>00027 <span class="preprocessor"></span>
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<a name="l00028"></a><a class="code" href="group__buzzer.html#g33eb0561dd16dd44c7c23519dd22540a">00028</a> <span class="preprocessor">#define D4s     311</span>
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<a name="l00029"></a>00029 <span class="preprocessor"></span>
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<a name="l00030"></a><a class="code" href="group__buzzer.html#g4c819074c856b4e67fad4875a92cb2e9">00030</a> <span class="preprocessor">#define E4      330</span>
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<a name="l00031"></a>00031 <span class="preprocessor"></span>
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<a name="l00032"></a><a class="code" href="group__buzzer.html#g7fd7918aa90b0ce1dc7ca9fe7a00e9fb">00032</a> <span class="preprocessor">#define F4      349</span>
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<a name="l00033"></a>00033 <span class="preprocessor"></span>
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<a name="l00034"></a><a class="code" href="group__buzzer.html#g93ff98890b28a2833f1152cc95c3e628">00034</a> <span class="preprocessor">#define F4s     370</span>
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<a name="l00035"></a>00035 <span class="preprocessor"></span>
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<a name="l00036"></a><a class="code" href="group__buzzer.html#g6f984a8b01aafc34122cc8bc0d9d5691">00036</a> <span class="preprocessor">#define G4      392</span>
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<a name="l00037"></a>00037 <span class="preprocessor"></span>
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<a name="l00038"></a><a class="code" href="group__buzzer.html#gaf8daa589f172256505e028dab2954b2">00038</a> <span class="preprocessor">#define G4s     415</span>
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<a name="l00039"></a>00039 <span class="preprocessor"></span>
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<a name="l00040"></a><a class="code" href="group__buzzer.html#ga0a03ad95ca0cb887a11e321fa1c9519">00040</a> <span class="preprocessor">#define A4      440</span>
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<a name="l00041"></a>00041 <span class="preprocessor"></span>
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<a name="l00042"></a><a class="code" href="group__buzzer.html#g7063c01bf1877119a8aca7049e02a8cb">00042</a> <span class="preprocessor">#define A4s     466</span>
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<a name="l00043"></a>00043 <span class="preprocessor"></span>
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<a name="l00044"></a><a class="code" href="group__buzzer.html#g0bf59f84e29fb57d27314583365a88d6">00044</a> <span class="preprocessor">#define B4      494</span>
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<a name="l00045"></a>00045 <span class="preprocessor"></span>
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<a name="l00046"></a><a class="code" href="group__buzzer.html#g3b69b61d9deb37b13911faf2cf5cf1d5">00046</a> <span class="preprocessor">#define C5      523</span>
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<a name="l00047"></a>00047 <span class="preprocessor"></span>
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<a name="l00049"></a>00049 <span class="keywordtype">void</span> <a class="code" href="group__buzzer.html#g0cead532fdd0c0de5fa1c1de0f6556bd">buzzer_init</a>(<span class="keywordtype">void</span>);
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<a name="l00051"></a>00051 <span class="keywordtype">void</span> <a class="code" href="group__buzzer.html#g9872f05325dd86a89728d47c8e9158ab">buzzer_set_val</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> buzz_value);
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<a name="l00053"></a>00053 <span class="keywordtype">void</span> <a class="code" href="group__buzzer.html#ga0aba85b0044cb1a44bb28c675d7c193">buzzer_set_freq</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> buzz_freq);
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<a name="l00055"></a>00055 <span class="keywordtype">void</span> <a class="code" href="group__buzzer.html#ga78239c1255dfea31992f435659df1d7">buzzer_chirp</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> ms, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> buzz_freq);
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<a name="l00057"></a>00057 <span class="keywordtype">void</span> <a class="code" href="group__buzzer.html#g93d07c81691fec7a85ea85117d6eca4f">buzzer_off</a>(<span class="keywordtype">void</span>); 
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<a name="l00058"></a>00058  <span class="comment">//end addtogroup</span>
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<a name="l00060"></a>00060 
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<a name="l00061"></a>00061 <span class="preprocessor">#endif</span>
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<a name="l00062"></a>00062 <span class="preprocessor"></span>
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</pre></div><hr size="1"><address style="align: right;"><small>Generated on Fri Sep 14 15:36:17 2007 for libdragonfly by&nbsp;
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