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<div id="projectname">Arduino MIDI Library
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 <span id="projectnumber">Version 4.3.1</span>
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<a href="a00035.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><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><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment">// -----------------------------------------------------------------------------</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <a class="code" href="a00014.html#adf6b690441eb0a31c4abd3bc4fb99673">BEGIN_MIDI_NAMESPACE</a></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div><div class="line"><a name="l00045"></a><span class="lineno"><a class="line" href="a00002.html#a658e91a27ea7f4172798d9503508d702"> 45</a></span> <span class="keywordtype">unsigned</span> <a class="code" href="a00035.html#afe7c42d0b3ebed55378f19fc25c2c00b">encodeSysEx</a>(<span class="keyword">const</span> <a class="code" href="a00008.html#ab8ef12fab634c171394422d0ee8baf94">byte</a>* inData, <a class="code" href="a00008.html#ab8ef12fab634c171394422d0ee8baf94">byte</a>* outSysEx, <span class="keywordtype">unsigned</span> inLength)</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> {</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keywordtype">unsigned</span> outLength = 0; <span class="comment">// Num bytes in output array.</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <a class="code" href="a00008.html#ab8ef12fab634c171394422d0ee8baf94">byte</a> count = 0; <span class="comment">// Num 7bytes in a block.</span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  outSysEx[0] = 0;</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> </div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0; i < inLength; ++i)</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  {</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keyword">const</span> <a class="code" href="a00008.html#ab8ef12fab634c171394422d0ee8baf94">byte</a> data = inData[i];</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keyword">const</span> <a class="code" href="a00008.html#ab8ef12fab634c171394422d0ee8baf94">byte</a> msb = data >> 7;</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keyword">const</span> <a class="code" href="a00008.html#ab8ef12fab634c171394422d0ee8baf94">byte</a> body = data & 0x7f;</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  outSysEx[0] |= (msb << (6 - count));</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  outSysEx[1 + count] = body;</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordflow">if</span> (count++ == 6)</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  {</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  outSysEx += 8;</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  outLength += 8;</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  outSysEx[0] = 0;</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  count = 0;</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  }</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  }</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordflow">return</span> outLength + count + (count != 0 ? 1 : 0);</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> }</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> </div><div class="line"><a name="l00082"></a><span class="lineno"><a class="line" href="a00002.html#acd6ba88e8a9b7d47226e1288539758d6"> 82</a></span> <span class="keywordtype">unsigned</span> <a class="code" href="a00035.html#ae5b3935e2eeca1f7be983da095dcf056">decodeSysEx</a>(<span class="keyword">const</span> <a class="code" href="a00008.html#ab8ef12fab634c171394422d0ee8baf94">byte</a>* inSysEx, <a class="code" href="a00008.html#ab8ef12fab634c171394422d0ee8baf94">byte</a>* outData, <span class="keywordtype">unsigned</span> inLength)</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> {</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordtype">unsigned</span> count = 0;</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <a class="code" href="a00008.html#ab8ef12fab634c171394422d0ee8baf94">byte</a> msbStorage = 0;</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <a class="code" href="a00008.html#ab8ef12fab634c171394422d0ee8baf94">byte</a> byteIndex = 0;</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span> </div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0; i < inLength; ++i)</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  {</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">if</span> ((i % 8) == 0)</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  {</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  msbStorage = inSysEx[i];</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  byteIndex = 6;</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  }</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  {</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keyword">const</span> <a class="code" href="a00008.html#ab8ef12fab634c171394422d0ee8baf94">byte</a> body = inSysEx[i];</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keyword">const</span> <a class="code" href="a00008.html#ab8ef12fab634c171394422d0ee8baf94">byte</a> msb = ((msbStorage >> byteIndex--) & 1) << 7;</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  outData[count++] = msb | body;</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  }</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  }</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordflow">return</span> count;</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> }</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <a class="code" href="a00014.html#abf831eff386c2ded4d253fb11321028e">END_MIDI_NAMESPACE</a></div><div class="ttc" id="a00014_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#l00031">midi_Namespace.h:31</a></div></div>
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<div class="ttc" id="a00014_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#l00032">midi_Namespace.h:32</a></div></div>
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<div class="ttc" id="a00035_html_ae5b3935e2eeca1f7be983da095dcf056"><div class="ttname"><a href="a00035.html#ae5b3935e2eeca1f7be983da095dcf056">decodeSysEx</a></div><div class="ttdeci">unsigned decodeSysEx(const byte *inSysEx, byte *outData, unsigned inLength)</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="a00035_source.html#l00082">MIDI.cpp:82</a></div></div>
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<div class="ttc" id="a00008_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="a00035_html_afe7c42d0b3ebed55378f19fc25c2c00b"><div class="ttname"><a href="a00035.html#afe7c42d0b3ebed55378f19fc25c2c00b">encodeSysEx</a></div><div class="ttdeci">BEGIN_MIDI_NAMESPACE unsigned encodeSysEx(const byte *inData, byte *outSysEx, unsigned inLength)</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="a00035_source.html#l00045">MIDI.cpp:45</a></div></div>
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<div class="ttc" id="a00002_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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