Diff: USBMIDI/MIDIMessage.h

Revision:

25:7c72828865f3

Parent:

11:eeb3cbbaa996

Child:

48:03f8e580579a

--- a/USBMIDI/MIDIMessage.h	Fri May 16 09:00:39 2014 +0100
+++ b/USBMIDI/MIDIMessage.h	Tue Jun 03 11:30:32 2014 +0100
@@ -22,7 +22,7 @@
 #include "mbed.h"
 
 // MIDI Message Format
-// 
+//
 // [ msg(4) | channel(4) ] [ 0 | n(7) ] [ 0 | m(7) ]
 //
 // MIDI Data Messages (Channel Specific)
@@ -43,15 +43,15 @@
 class MIDIMessage {
 public:
     MIDIMessage() {}
-    
+
     MIDIMessage(uint8_t *buf) {
         for (int i = 0; i < 4; i++)
             data[i] = buf[i];
     }
-    
+
     // create messages
-    
-    /** Create a NoteOff message 
+
+    /** Create a NoteOff message
      * @param key Key ID
      * @param velocity Key velocity (0-127, default = 127)
      * @param channel Key channel (0-15, default 0)
@@ -62,11 +62,11 @@
         msg.data[0] = CABLE_NUM | 0x08;
         msg.data[1] = 0x80 | (channel & 0x0F);
         msg.data[2] = key & 0x7F;
-        msg.data[3] = velocity & 0x7F; 
+        msg.data[3] = velocity & 0x7F;
         return msg;
     }
-    
-    /** Create a NoteOn message 
+
+    /** Create a NoteOn message
      * @param key Key ID
      * @param velocity Key velocity (0-127, default = 127)
      * @param channel Key channel (0-15, default 0)
@@ -77,26 +77,26 @@
         msg.data[0] = CABLE_NUM | 0x09;
         msg.data[1] = 0x90 | (channel & 0x0F);
         msg.data[2] = key & 0x7F;
-        msg.data[3] = velocity & 0x7F;                 
+        msg.data[3] = velocity & 0x7F;
         return msg;
     }
-    
-    /** Create a PolyPhonic Aftertouch message 
+
+    /** Create a PolyPhonic Aftertouch message
      * @param key Key ID
      * @param pressure Aftertouch pressure (0-127)
      * @param channel Key channel (0-15, default 0)
      * @returns A MIDIMessage
-     */    
+     */
     static MIDIMessage PolyphonicAftertouch(int key, int pressure, int channel = 0) {
         MIDIMessage msg;
         msg.data[0] = CABLE_NUM | 0x0A;
         msg.data[1] = 0xA0 | (channel & 0x0F);
         msg.data[2] = key & 0x7F;
-        msg.data[3] = pressure & 0x7F;         
+        msg.data[3] = pressure & 0x7F;
         return msg;
     }
-    
-    /** Create a Control Change message 
+
+    /** Create a Control Change message
      * @param control Controller ID
      * @param value Controller value (0-127)
      * @param channel Controller channel (0-15, default 0)
@@ -107,63 +107,63 @@
         msg.data[0] = CABLE_NUM | 0x0B;
         msg.data[1] = 0xB0 | (channel & 0x0F);
         msg.data[2] = control & 0x7F;
-        msg.data[3] = value & 0x7F;         
+        msg.data[3] = value & 0x7F;
         return msg;
     }
-    
-    /** Create a Program Change message 
+
+    /** Create a Program Change message
      * @param program Program ID
      * @param channel Channel (0-15, default 0)
      * @returns A MIDIMessage
-     */    
+     */
     static MIDIMessage ProgramChange(int program, int channel = 0) {
         MIDIMessage msg;
         msg.data[0] = CABLE_NUM | 0x0C;
         msg.data[1] = 0xC0 | (channel & 0x0F);
         msg.data[2] = program & 0x7F;
-        msg.data[3] = 0x00;         
+        msg.data[3] = 0x00;
         return msg;
     }
-    
-    /** Create a Channel Aftertouch message 
-     * @param pressure Pressure 
+
+    /** Create a Channel Aftertouch message
+     * @param pressure Pressure
      * @param channel Key channel (0-15, default 0)
      * @returns A MIDIMessage
-     */    
+     */
     static MIDIMessage ChannelAftertouch(int pressure, int channel = 0) {
         MIDIMessage msg;
         msg.data[0] = CABLE_NUM | 0x0D;
         msg.data[1] = 0xD0 | (channel & 0x0F);
         msg.data[2] = pressure & 0x7F;
-        msg.data[3] = 0x00;         
+        msg.data[3] = 0x00;
         return msg;
     }
-    
-    /** Create a Pitch Wheel message 
+
+    /** Create a Pitch Wheel message
      * @param pitch Pitch (-8192 - 8191, default = 0)
      * @param channel Channel (0-15, default 0)
      * @returns A MIDIMessage
-     */    
+     */
     static MIDIMessage PitchWheel(int pitch = 0, int channel = 0) {
         MIDIMessage msg;
         int p = pitch + 8192;    // 0 - 16383, 8192 is center
         msg.data[0] = CABLE_NUM | 0x0E;
         msg.data[1] = 0xE0 | (channel & 0x0F);
         msg.data[2] = p & 0x7F;
-        msg.data[3] = (p >> 7) & 0x7F;                 
+        msg.data[3] = (p >> 7) & 0x7F;
         return msg;
     }
-    
-    /** Create an All Notes Off message 
+
+    /** Create an All Notes Off message
      * @param channel Channel (0-15, default 0)
      * @returns A MIDIMessage
-     */    
+     */
     static MIDIMessage AllNotesOff(int channel = 0) {
         return ControlChange(123, 0, channel);
     }
-    
+
     // decode messages
-    
+
     /** MIDI Message Types */
     enum MIDIMessageType {
         ErrorType,
@@ -176,16 +176,16 @@
         PitchWheelType,
         AllNotesOffType
     };
-    
+
     /** Read the message type
      * @returns MIDIMessageType
-     */    
+     */
     MIDIMessageType type() {
         switch((data[1] >> 4) & 0xF) {
             case 0x8: return NoteOffType;
             case 0x9: return NoteOnType;
             case 0xA: return PolyphonicAftertouchType;
-            case 0xB: 
+            case 0xB:
                 if(controller() < 120) { // standard controllers
                     return ControlChangeType;
                 } else if(controller() == 123) {
@@ -200,51 +200,51 @@
         }
     }
 
-    /** Read the channel number */    
+    /** Read the channel number */
     int channel() {
         return (data[1] & 0x0F);
     }
-    
-    /** Read the key ID */    
+
+    /** Read the key ID */
     int key() {
-        return (data[2] & 0x7F);        
+        return (data[2] & 0x7F);
     }
-        
-    /** Read the velocity */    
+
+    /** Read the velocity */
     int velocity() {
-        return (data[3] & 0x7F);        
+        return (data[3] & 0x7F);
     }
 
-    /** Read the controller value */    
+    /** Read the controller value */
     int value() {
-        return (data[3] & 0x7F);        
+        return (data[3] & 0x7F);
     }
-    
-    /** Read the aftertouch pressure */        
+
+    /** Read the aftertouch pressure */
     int pressure() {
         if(type() == PolyphonicAftertouchType) {
-            return (data[3] & 0x7F);        
+            return (data[3] & 0x7F);
         } else {
-            return (data[2] & 0x7F);        
+            return (data[2] & 0x7F);
         }
     }
 
-    /** Read the controller number */    
+    /** Read the controller number */
     int controller() {
-        return (data[2] & 0x7F);        
+        return (data[2] & 0x7F);
     }
 
-    /** Read the program number */    
+    /** Read the program number */
     int program() {
-        return (data[2] & 0x7F);        
+        return (data[2] & 0x7F);
     }
-    
-    /** Read the pitch value */        
+
+    /** Read the pitch value */
     int pitch() {
         int p = ((data[3] & 0x7F) << 7) | (data[2] & 0x7F);
         return p - 8192; // 0 - 16383, 8192 is center
     }
-    
+
     uint8_t data[4];
 };