Testing Tool for Board written.

2015-02-16 17:50:58 +01:00
parent 4c9a8c8230
commit 6e4afd0a2d
25 changed files with 3273 additions and 10 deletions
--- a/main/libraries/MIDI/MIDI.cpp
+++ b/main/libraries/MIDI/MIDI.cpp
@@ -0,0 +1,98 @@
+/*!
+ *  @file       MIDI.cpp
+ *  Project     Arduino MIDI Library
+ *  @brief      MIDI Library for the Arduino
+ *  @version    4.2
+ *  @author     Francois Best
+ *  @date       24/02/11
+ *  @license    GPL v3.0 - Copyright Forty Seven Effects 2014
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "MIDI.h"
+
+// -----------------------------------------------------------------------------
+
+BEGIN_MIDI_NAMESPACE
+
+/*! \brief Encode System Exclusive messages.
+ SysEx messages are encoded to guarantee transmission of data bytes higher than
+ 127 without breaking the MIDI protocol. Use this static method to convert the
+ data you want to send.
+ \param inData The data to encode.
+ \param outSysEx The output buffer where to store the encoded message.
+ \param inLength The lenght of the input buffer.
+ \return The lenght of the encoded output buffer.
+ @see decodeSysEx
+ Code inspired from Ruin & Wesen's SysEx encoder/decoder - http://ruinwesen.com
+ */
+unsigned encodeSysEx(const byte* inData, byte* outSysEx, unsigned inLength)
+{
+    unsigned outLength  = 0;     // Num bytes in output array.
+    byte count          = 0;     // Num 7bytes in a block.
+    outSysEx[0]         = 0;
+
+    for (unsigned i = 0; i < inLength; ++i)
+    {
+        const byte data = inData[i];
+        const byte msb  = data >> 7;
+        const byte body = data & 0x7f;
+
+        outSysEx[0] |= (msb << count);
+        outSysEx[1 + count] = body;
+
+        if (count++ == 6)
+        {
+            outSysEx   += 8;
+            outLength  += 8;
+            outSysEx[0] = 0;
+            count       = 0;
+        }
+    }
+    return outLength + count + (count != 0 ? 1 : 0);
+}
+
+/*! \brief Decode System Exclusive messages.
+ SysEx messages are encoded to guarantee transmission of data bytes higher than
+ 127 without breaking the MIDI protocol. Use this static method to reassemble
+ your received message.
+ \param inSysEx The SysEx data received from MIDI in.
+ \param outData    The output buffer where to store the decrypted message.
+ \param inLength The lenght of the input buffer.
+ \return The lenght of the output buffer.
+ @see encodeSysEx @see getSysExArrayLength
+ Code inspired from Ruin & Wesen's SysEx encoder/decoder - http://ruinwesen.com
+ */
+unsigned decodeSysEx(const byte* inSysEx, byte* outData, unsigned inLength)
+{
+    unsigned count  = 0;
+    byte msbStorage = 0;
+
+    for (unsigned i = 0; i < inLength; ++i)
+    {
+        if ((i % 8) == 0)
+        {
+            msbStorage = inSysEx[i];
+        }
+        else
+        {
+            outData[count++] = inSysEx[i] | ((msbStorage & 1) << 7);
+            msbStorage >>= 1;
+        }
+    }
+    return count;
+}
+
+END_MIDI_NAMESPACE