Diff: USBDevice/USBMIDI/MIDIMessage.h

Revision:

7:6494da2a5c60

Parent:

6:126c4d980196

Child:

8:534fd41d8cc7

--- a/USBDevice/USBMIDI/MIDIMessage.h	Mon Nov 14 10:00:07 2011 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,254 +0,0 @@
-/* @license The MIT License
- * Copyright (c) 2011 mux, simon
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *  
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *  
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#ifndef MIDIMESSAGE_H
-#define MIDIMESSAGE_H
-
-#include "mbed.h"
-
-// MIDI Message Format
-// 
-// [ msg(4) | channel(4) ] [ 0 | n(7) ] [ 0 | m(7) ]
-//
-// MIDI Data Messages (Channel Specific)
-//
-// Message               msg n          m
-// ---------------------------------------------
-// Note Off              0x8 Key        Velocity
-// Note On               0x9 Key        Velocity
-// Polyphonic Aftertouch 0xA Key        Pressure
-// Control Change        0xB Controller Value
-// Program Change        0xC Program    -
-// Channel Aftertouch    0xD Pressure   -
-// Pitch Wheel           0xE LSB        MSB
-
-#define CABLE_NUM (0<<4)
-
-/** A MIDI message container */
-class MIDIMessage {
-public:
-    MIDIMessage() {}
-    
-    MIDIMessage(uint8_t *buf) {
-        *((uint32_t *)data) = *((uint32_t *)buf);
-    }
-    
-    // create messages
-    
-    /** Create a NoteOff message 
-     * @param key Key ID
-     * @param velocity Key velocity (0-127, default = 127)
-     * @param channel Key channel (0-15, default 0)
-     * @returns A MIDIMessage
-     */
-    static MIDIMessage NoteOff(int key, int velocity = 127, int channel = 0) {
-        MIDIMessage msg;
-        msg.data[0] = CABLE_NUM | 0x08;
-        msg.data[1] = 0x80 | (channel & 0x0F);
-        msg.data[2] = key & 0x7F;
-        msg.data[3] = velocity & 0x7F; 
-        return msg;
-    }
-    
-    /** Create a NoteOn message 
-     * @param key Key ID
-     * @param velocity Key velocity (0-127, default = 127)
-     * @param channel Key channel (0-15, default 0)
-     * @returns A MIDIMessage
-     */
-    static MIDIMessage NoteOn(int key, int velocity = 127, int channel = 0) {
-        MIDIMessage msg;
-        msg.data[0] = CABLE_NUM | 0x09;
-        msg.data[1] = 0x90 | (channel & 0x0F);
-        msg.data[2] = key & 0x7F;
-        msg.data[3] = velocity & 0x7F;                 
-        return msg;
-    }
-    
-    /** 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;         
-        return msg;
-    }
-    
-    /** Create a Control Change message 
-     * @param control Controller ID
-     * @param value Controller value (0-127)
-     * @param channel Controller channel (0-15, default 0)
-     * @returns A MIDIMessage
-     */
-    static MIDIMessage ControlChange(int control, int value, int channel = 0) {
-        MIDIMessage msg;
-        msg.data[0] = CABLE_NUM | 0x0B;
-        msg.data[1] = 0xB0 | (channel & 0x0F);
-        msg.data[2] = control & 0x7F;
-        msg.data[3] = value & 0x7F;         
-        return msg;
-    }
-    
-    /** 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;         
-        return msg;
-    }
-    
-    /** 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;         
-        return msg;
-    }
-    
-    /** 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;                 
-        return msg;
-    }
-    
-    /** 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,
-        NoteOffType,
-        NoteOnType,
-        PolyphonicAftertouchType,
-        ControlChangeType,
-        ProgramChangeType,
-        ChannelAftertouchType,
-        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: 
-                if(controller() < 120) { // standard controllers
-                    return ControlChangeType;
-                } else if(controller() == 123) {
-                    return AllNotesOffType;
-                } else {
-                    return ErrorType; // unsupported atm
-                }
-            case 0xC: return ProgramChangeType;
-            case 0xD: return ChannelAftertouchType;
-            case 0xE: return PitchWheelType;
-            default: return ErrorType;
-        }
-    }
-
-    /** Read the channel number */    
-    int channel() {
-        return (data[1] & 0x0F);
-    }
-    
-    /** Read the key ID */    
-    int key() {
-        return (data[2] & 0x7F);        
-    }
-        
-    /** Read the velocity */    
-    int velocity() {
-        return (data[3] & 0x7F);        
-    }
-
-    /** Read the controller value */    
-    int value() {
-        return (data[3] & 0x7F);        
-    }
-    
-    /** Read the aftertouch pressure */        
-    int pressure() {
-        if(type() == PolyphonicAftertouchType) {
-            return (data[3] & 0x7F);        
-        } else {
-            return (data[2] & 0x7F);        
-        }
-    }
-
-    /** Read the controller number */    
-    int controller() {
-        return (data[2] & 0x7F);        
-    }
-
-    /** Read the program number */    
-    int program() {
-        return (data[2] & 0x7F);        
-    }
-    
-    /** 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];
-};    
-
-#endif