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<div id="projectname">Arduino MIDI Library
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 <span id="projectnumber">Version 5.0.1</span>
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<div class="title">MIDI.cpp</div> </div>
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<a href="a00026.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>  </div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "<a class="code" href="a00002.html">MIDI.h</a>"</span></div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  </div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment">// -----------------------------------------------------------------------------</span></div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  </div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <a class="code" href="a00014.html#adf6b690441eb0a31c4abd3bc4fb99673">BEGIN_MIDI_NAMESPACE</a></div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  </div>
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<div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="a00002.html#ac107fe7907b9451f90d648f39afc9852"> 46</a></span> <span class="keywordtype">unsigned</span> <a class="code" href="a00026.html#ac09acef4fd964fa8192d5e64915e1e59">encodeSysEx</a>(<span class="keyword">const</span> <span class="keywordtype">byte</span>* inData,</div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keywordtype">byte</span>* outSysEx,</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordtype">unsigned</span> inLength,</div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordtype">bool</span> inFlipHeaderBits)</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> {</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordtype">unsigned</span> outLength = 0; <span class="comment">// Num bytes in output array.</span></div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordtype">byte</span> count = 0; <span class="comment">// Num 7bytes in a block.</span></div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  outSysEx[0] = 0;</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  </div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0; i < inLength; ++i)</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  {</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keyword">const</span> <span class="keywordtype">byte</span> data = inData[i];</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keyword">const</span> <span class="keywordtype">byte</span> msb = data >> 7;</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keyword">const</span> <span class="keywordtype">byte</span> body = data & 0x7f;</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  </div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  outSysEx[0] |= (msb << (inFlipHeaderBits ? count : (6 - count)));</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  outSysEx[1 + count] = body;</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  </div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">if</span> (count++ == 6)</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  {</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  outSysEx += 8;</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  outLength += 8;</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  outSysEx[0] = 0;</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  count = 0;</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  }</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  }</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordflow">return</span> outLength + count + (count != 0 ? 1 : 0);</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> }</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  </div>
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<div class="line"><a name="l00087"></a><span class="lineno"><a class="line" href="a00002.html#aca0f63b806438161ddbe17a6bf2a94d7"> 87</a></span> <span class="keywordtype">unsigned</span> <a class="code" href="a00026.html#acc4668b85e2bc79dd3f2f5022c60eceb">decodeSysEx</a>(<span class="keyword">const</span> <span class="keywordtype">byte</span>* inSysEx,</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordtype">byte</span>* outData,</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordtype">unsigned</span> inLength,</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordtype">bool</span> inFlipHeaderBits)</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> {</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordtype">unsigned</span> count = 0;</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordtype">byte</span> msbStorage = 0;</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordtype">byte</span> byteIndex = 0;</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  </div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0; i < inLength; ++i)</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  {</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordflow">if</span> ((i % 8) == 0)</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  {</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  msbStorage = inSysEx[i];</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  byteIndex = 6;</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  }</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordflow">else</span></div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  {</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keyword">const</span> <span class="keywordtype">byte</span> body = inSysEx[i];</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keyword">const</span> <span class="keywordtype">byte</span> shift = inFlipHeaderBits ? 6 - byteIndex : byteIndex;</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keyword">const</span> <span class="keywordtype">byte</span> msb = <a class="code" href="a00008.html#ab8ef12fab634c171394422d0ee8baf94">byte</a>(((msbStorage >> shift) & 1) << 7);</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  byteIndex--;</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  outData[count++] = msb | body;</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  }</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  }</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordflow">return</span> count;</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> }</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  </div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <a class="code" href="a00014.html#abf831eff386c2ded4d253fb11321028e">END_MIDI_NAMESPACE</a></div>
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<div class="ttc" id="aa00026_html_acc4668b85e2bc79dd3f2f5022c60eceb"><div class="ttname"><a href="a00026.html#acc4668b85e2bc79dd3f2f5022c60eceb">decodeSysEx</a></div><div class="ttdeci">unsigned decodeSysEx(const byte *inSysEx, byte *outData, unsigned inLength, bool inFlipHeaderBits)</div><div class="ttdoc">Decode System Exclusive messages. SysEx messages are encoded to guarantee transmission of data bytes ...</div><div class="ttdef"><b>Definition:</b> <a href="a00026_source.html#l00087">MIDI.cpp:87</a></div></div>
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<div class="ttc" id="aa00008_html_ab8ef12fab634c171394422d0ee8baf94"><div class="ttname"><a href="a00008.html#ab8ef12fab634c171394422d0ee8baf94">byte</a></div><div class="ttdeci">uint8_t byte</div><div class="ttdef"><b>Definition:</b> <a href="a00008_source.html#l00036">midi_Defs.h:36</a></div></div>
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<div class="ttc" id="aa00002_html"><div class="ttname"><a href="a00002.html">MIDI.h</a></div><div class="ttdoc">MIDI Library for the Arduino.</div></div>
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<div class="ttc" id="aa00014_html_abf831eff386c2ded4d253fb11321028e"><div class="ttname"><a href="a00014.html#abf831eff386c2ded4d253fb11321028e">END_MIDI_NAMESPACE</a></div><div class="ttdeci">#define END_MIDI_NAMESPACE</div><div class="ttdef"><b>Definition:</b> <a href="a00014_source.html#l00033">midi_Namespace.h:32</a></div></div>
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<div class="ttc" id="aa00014_html_adf6b690441eb0a31c4abd3bc4fb99673"><div class="ttname"><a href="a00014.html#adf6b690441eb0a31c4abd3bc4fb99673">BEGIN_MIDI_NAMESPACE</a></div><div class="ttdeci">#define BEGIN_MIDI_NAMESPACE</div><div class="ttdef"><b>Definition:</b> <a href="a00014_source.html#l00032">midi_Namespace.h:31</a></div></div>
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<div class="ttc" id="aa00026_html_ac09acef4fd964fa8192d5e64915e1e59"><div class="ttname"><a href="a00026.html#ac09acef4fd964fa8192d5e64915e1e59">encodeSysEx</a></div><div class="ttdeci">BEGIN_MIDI_NAMESPACE unsigned encodeSysEx(const byte *inData, byte *outSysEx, unsigned inLength, bool inFlipHeaderBits)</div><div class="ttdoc">Encode System Exclusive messages. SysEx messages are encoded to guarantee transmission of data bytes ...</div><div class="ttdef"><b>Definition:</b> <a href="a00026_source.html#l00046">MIDI.cpp:46</a></div></div>
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<li class="navelem"><a class="el" href="dir_645b81139e363ce037e25dbaed8c5263.html">franky</a></li><li class="navelem"><a class="el" href="dir_24ed65e94774636179756562244c7302.html">dev</a></li><li class="navelem"><a class="el" href="dir_0deb84d6def246eea2260c52867aba70.html">playground</a></li><li class="navelem"><a class="el" href="dir_53b77abc1f80fcdf3729279a6f7aea1a.html">FortySevenEffects</a></li><li class="navelem"><a class="el" href="dir_4ec2beae4ef592fc065e0333c3ffa3ea.html">arduino_midi_library</a></li><li class="navelem"><a class="el" href="dir_cf8bbe6898d25427caa08e378cd6c8cf.html">src</a></li><li class="navelem"><a class="el" href="a00026.html">MIDI.cpp</a></li>
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