Diff: USBMIDI/MIDIMessage.h

Revision:

48:03f8e580579a

Parent:

25:7c72828865f3

Child:

50:a3c50882f2c5

diff -r a0cd9646ecd1 -r 03f8e580579a USBMIDI/MIDIMessage.h
--- a/USBMIDI/MIDIMessage.h	Wed Apr 08 07:46:23 2015 +0100
+++ b/USBMIDI/MIDIMessage.h	Thu Apr 16 11:00:20 2015 +0100
@@ -21,6 +21,8 @@
 
 #include "mbed.h"
 
+#define MAX_MIDI_MESSAGE_SIZE 256 // Max message size. SysEx can be up to 65536 but 256 should be fine for most usage
+
 // MIDI Message Format
 //
 // [ msg(4) | channel(4) ] [ 0 | n(7) ] [ 0 | m(7) ]
@@ -49,6 +51,16 @@
             data[i] = buf[i];
     }
 
+    // New constructor, buf is a true MIDI message (not USBMidi message) and buf_len true message length.
+    MIDIMessage(uint8_t *buf, int buf_len) {
+        length=buf_len+1;
+        // first byte keeped for retro-compatibility
+        data[0]=0;
+
+        for (int i = 0; i < buf_len; i++)
+            data[i+1] = buf[i];
+    }
+
     // create messages
 
     /** Create a NoteOff message
@@ -162,6 +174,16 @@
         return ControlChange(123, 0, channel);
     }
 
+     /** Create a SysEx message
+     * @param data SysEx data (including 0xF0 .. 0xF7)
+     * @param len SysEx data length
+     * @returns A MIDIMessage
+     */
+    static MIDIMessage SysEx(uint8_t *data, int len) {
+        MIDIMessage msg=MIDIMessage(data,len);
+        return msg;
+    }
+
     // decode messages
 
     /** MIDI Message Types */
@@ -174,7 +196,8 @@
         ProgramChangeType,
         ChannelAftertouchType,
         PitchWheelType,
-        AllNotesOffType
+        AllNotesOffType,
+        SysExType
     };
 
     /** Read the message type
@@ -196,6 +219,7 @@
             case 0xC: return ProgramChangeType;
             case 0xD: return ChannelAftertouchType;
             case 0xE: return PitchWheelType;
+            case 0xF: return SysExType;
             default: return ErrorType;
         }
     }
@@ -245,7 +269,8 @@
         return p - 8192; // 0 - 16383, 8192 is center
     }
 
-    uint8_t data[4];
+    uint8_t data[MAX_MIDI_MESSAGE_SIZE+1];
+    uint8_t length=4;
 };
 
 #endif