Piotr Woźniak / Mbed 2 deprecated KL46Z-Lab2_fullll

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Dependencies:   MAG3110 MMA8451Q SLCD- TSI USBDevice mbed

USBDevice/USBMIDI/MIDIMessage.h@0:339b7abfa147, 2014-04-16 (annotated)

Committer:
Osator
Date:
Wed Apr 16 12:20:00 2014 +0000
Revision:
0:339b7abfa147
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Who changed what in which revision?

UserRevisionLine numberNew contents of line
Osator 0:339b7abfa147 1 /* Copyright (c) 2010-2011 mbed.org, MIT License
Osator 0:339b7abfa147 2 *
Osator 0:339b7abfa147 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
Osator 0:339b7abfa147 4 * and associated documentation files (the "Software"), to deal in the Software without
Osator 0:339b7abfa147 5 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
Osator 0:339b7abfa147 6 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
Osator 0:339b7abfa147 7 * Software is furnished to do so, subject to the following conditions:
Osator 0:339b7abfa147 8 *
Osator 0:339b7abfa147 9 * The above copyright notice and this permission notice shall be included in all copies or
Osator 0:339b7abfa147 10 * substantial portions of the Software.
Osator 0:339b7abfa147 11 *
Osator 0:339b7abfa147 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
Osator 0:339b7abfa147 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
Osator 0:339b7abfa147 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
Osator 0:339b7abfa147 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
Osator 0:339b7abfa147 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Osator 0:339b7abfa147 17 */
Osator 0:339b7abfa147 18
Osator 0:339b7abfa147 19 #ifndef MIDIMESSAGE_H
Osator 0:339b7abfa147 20 #define MIDIMESSAGE_H
Osator 0:339b7abfa147 21
Osator 0:339b7abfa147 22 #include "mbed.h"
Osator 0:339b7abfa147 23
Osator 0:339b7abfa147 24 // MIDI Message Format
Osator 0:339b7abfa147 25 //
Osator 0:339b7abfa147 26 // [ msg(4) | channel(4) ] [ 0 | n(7) ] [ 0 | m(7) ]
Osator 0:339b7abfa147 27 //
Osator 0:339b7abfa147 28 // MIDI Data Messages (Channel Specific)
Osator 0:339b7abfa147 29 //
Osator 0:339b7abfa147 30 // Message msg n m
Osator 0:339b7abfa147 31 // ---------------------------------------------
Osator 0:339b7abfa147 32 // Note Off 0x8 Key Velocity
Osator 0:339b7abfa147 33 // Note On 0x9 Key Velocity
Osator 0:339b7abfa147 34 // Polyphonic Aftertouch 0xA Key Pressure
Osator 0:339b7abfa147 35 // Control Change 0xB Controller Value
Osator 0:339b7abfa147 36 // Program Change 0xC Program -
Osator 0:339b7abfa147 37 // Channel Aftertouch 0xD Pressure -
Osator 0:339b7abfa147 38 // Pitch Wheel 0xE LSB MSB
Osator 0:339b7abfa147 39
Osator 0:339b7abfa147 40 #define CABLE_NUM (0<<4)
Osator 0:339b7abfa147 41
Osator 0:339b7abfa147 42 /** A MIDI message container */
Osator 0:339b7abfa147 43 class MIDIMessage {
Osator 0:339b7abfa147 44 public:
Osator 0:339b7abfa147 45 MIDIMessage() {}
Osator 0:339b7abfa147 46
Osator 0:339b7abfa147 47 MIDIMessage(uint8_t *buf) {
Osator 0:339b7abfa147 48 for (int i = 0; i < 4; i++)
Osator 0:339b7abfa147 49 data[i] = buf[i];
Osator 0:339b7abfa147 50 }
Osator 0:339b7abfa147 51
Osator 0:339b7abfa147 52 // create messages
Osator 0:339b7abfa147 53
Osator 0:339b7abfa147 54 /** Create a NoteOff message
Osator 0:339b7abfa147 55 * @param key Key ID
Osator 0:339b7abfa147 56 * @param velocity Key velocity (0-127, default = 127)
Osator 0:339b7abfa147 57 * @param channel Key channel (0-15, default 0)
Osator 0:339b7abfa147 58 * @returns A MIDIMessage
Osator 0:339b7abfa147 59 */
Osator 0:339b7abfa147 60 static MIDIMessage NoteOff(int key, int velocity = 127, int channel = 0) {
Osator 0:339b7abfa147 61 MIDIMessage msg;
Osator 0:339b7abfa147 62 msg.data[0] = CABLE_NUM | 0x08;
Osator 0:339b7abfa147 63 msg.data[1] = 0x80 | (channel & 0x0F);
Osator 0:339b7abfa147 64 msg.data[2] = key & 0x7F;
Osator 0:339b7abfa147 65 msg.data[3] = velocity & 0x7F;
Osator 0:339b7abfa147 66 return msg;
Osator 0:339b7abfa147 67 }
Osator 0:339b7abfa147 68
Osator 0:339b7abfa147 69 /** Create a NoteOn message
Osator 0:339b7abfa147 70 * @param key Key ID
Osator 0:339b7abfa147 71 * @param velocity Key velocity (0-127, default = 127)
Osator 0:339b7abfa147 72 * @param channel Key channel (0-15, default 0)
Osator 0:339b7abfa147 73 * @returns A MIDIMessage
Osator 0:339b7abfa147 74 */
Osator 0:339b7abfa147 75 static MIDIMessage NoteOn(int key, int velocity = 127, int channel = 0) {
Osator 0:339b7abfa147 76 MIDIMessage msg;
Osator 0:339b7abfa147 77 msg.data[0] = CABLE_NUM | 0x09;
Osator 0:339b7abfa147 78 msg.data[1] = 0x90 | (channel & 0x0F);
Osator 0:339b7abfa147 79 msg.data[2] = key & 0x7F;
Osator 0:339b7abfa147 80 msg.data[3] = velocity & 0x7F;
Osator 0:339b7abfa147 81 return msg;
Osator 0:339b7abfa147 82 }
Osator 0:339b7abfa147 83
Osator 0:339b7abfa147 84 /** Create a PolyPhonic Aftertouch message
Osator 0:339b7abfa147 85 * @param key Key ID
Osator 0:339b7abfa147 86 * @param pressure Aftertouch pressure (0-127)
Osator 0:339b7abfa147 87 * @param channel Key channel (0-15, default 0)
Osator 0:339b7abfa147 88 * @returns A MIDIMessage
Osator 0:339b7abfa147 89 */
Osator 0:339b7abfa147 90 static MIDIMessage PolyphonicAftertouch(int key, int pressure, int channel = 0) {
Osator 0:339b7abfa147 91 MIDIMessage msg;
Osator 0:339b7abfa147 92 msg.data[0] = CABLE_NUM | 0x0A;
Osator 0:339b7abfa147 93 msg.data[1] = 0xA0 | (channel & 0x0F);
Osator 0:339b7abfa147 94 msg.data[2] = key & 0x7F;
Osator 0:339b7abfa147 95 msg.data[3] = pressure & 0x7F;
Osator 0:339b7abfa147 96 return msg;
Osator 0:339b7abfa147 97 }
Osator 0:339b7abfa147 98
Osator 0:339b7abfa147 99 /** Create a Control Change message
Osator 0:339b7abfa147 100 * @param control Controller ID
Osator 0:339b7abfa147 101 * @param value Controller value (0-127)
Osator 0:339b7abfa147 102 * @param channel Controller channel (0-15, default 0)
Osator 0:339b7abfa147 103 * @returns A MIDIMessage
Osator 0:339b7abfa147 104 */
Osator 0:339b7abfa147 105 static MIDIMessage ControlChange(int control, int value, int channel = 0) {
Osator 0:339b7abfa147 106 MIDIMessage msg;
Osator 0:339b7abfa147 107 msg.data[0] = CABLE_NUM | 0x0B;
Osator 0:339b7abfa147 108 msg.data[1] = 0xB0 | (channel & 0x0F);
Osator 0:339b7abfa147 109 msg.data[2] = control & 0x7F;
Osator 0:339b7abfa147 110 msg.data[3] = value & 0x7F;
Osator 0:339b7abfa147 111 return msg;
Osator 0:339b7abfa147 112 }
Osator 0:339b7abfa147 113
Osator 0:339b7abfa147 114 /** Create a Program Change message
Osator 0:339b7abfa147 115 * @param program Program ID
Osator 0:339b7abfa147 116 * @param channel Channel (0-15, default 0)
Osator 0:339b7abfa147 117 * @returns A MIDIMessage
Osator 0:339b7abfa147 118 */
Osator 0:339b7abfa147 119 static MIDIMessage ProgramChange(int program, int channel = 0) {
Osator 0:339b7abfa147 120 MIDIMessage msg;
Osator 0:339b7abfa147 121 msg.data[0] = CABLE_NUM | 0x0C;
Osator 0:339b7abfa147 122 msg.data[1] = 0xC0 | (channel & 0x0F);
Osator 0:339b7abfa147 123 msg.data[2] = program & 0x7F;
Osator 0:339b7abfa147 124 msg.data[3] = 0x00;
Osator 0:339b7abfa147 125 return msg;
Osator 0:339b7abfa147 126 }
Osator 0:339b7abfa147 127
Osator 0:339b7abfa147 128 /** Create a Channel Aftertouch message
Osator 0:339b7abfa147 129 * @param pressure Pressure
Osator 0:339b7abfa147 130 * @param channel Key channel (0-15, default 0)
Osator 0:339b7abfa147 131 * @returns A MIDIMessage
Osator 0:339b7abfa147 132 */
Osator 0:339b7abfa147 133 static MIDIMessage ChannelAftertouch(int pressure, int channel = 0) {
Osator 0:339b7abfa147 134 MIDIMessage msg;
Osator 0:339b7abfa147 135 msg.data[0] = CABLE_NUM | 0x0D;
Osator 0:339b7abfa147 136 msg.data[1] = 0xD0 | (channel & 0x0F);
Osator 0:339b7abfa147 137 msg.data[2] = pressure & 0x7F;
Osator 0:339b7abfa147 138 msg.data[3] = 0x00;
Osator 0:339b7abfa147 139 return msg;
Osator 0:339b7abfa147 140 }
Osator 0:339b7abfa147 141
Osator 0:339b7abfa147 142 /** Create a Pitch Wheel message
Osator 0:339b7abfa147 143 * @param pitch Pitch (-8192 - 8191, default = 0)
Osator 0:339b7abfa147 144 * @param channel Channel (0-15, default 0)
Osator 0:339b7abfa147 145 * @returns A MIDIMessage
Osator 0:339b7abfa147 146 */
Osator 0:339b7abfa147 147 static MIDIMessage PitchWheel(int pitch = 0, int channel = 0) {
Osator 0:339b7abfa147 148 MIDIMessage msg;
Osator 0:339b7abfa147 149 int p = pitch + 8192; // 0 - 16383, 8192 is center
Osator 0:339b7abfa147 150 msg.data[0] = CABLE_NUM | 0x0E;
Osator 0:339b7abfa147 151 msg.data[1] = 0xE0 | (channel & 0x0F);
Osator 0:339b7abfa147 152 msg.data[2] = p & 0x7F;
Osator 0:339b7abfa147 153 msg.data[3] = (p >> 7) & 0x7F;
Osator 0:339b7abfa147 154 return msg;
Osator 0:339b7abfa147 155 }
Osator 0:339b7abfa147 156
Osator 0:339b7abfa147 157 /** Create an All Notes Off message
Osator 0:339b7abfa147 158 * @param channel Channel (0-15, default 0)
Osator 0:339b7abfa147 159 * @returns A MIDIMessage
Osator 0:339b7abfa147 160 */
Osator 0:339b7abfa147 161 static MIDIMessage AllNotesOff(int channel = 0) {
Osator 0:339b7abfa147 162 return ControlChange(123, 0, channel);
Osator 0:339b7abfa147 163 }
Osator 0:339b7abfa147 164
Osator 0:339b7abfa147 165 // decode messages
Osator 0:339b7abfa147 166
Osator 0:339b7abfa147 167 /** MIDI Message Types */
Osator 0:339b7abfa147 168 enum MIDIMessageType {
Osator 0:339b7abfa147 169 ErrorType,
Osator 0:339b7abfa147 170 NoteOffType,
Osator 0:339b7abfa147 171 NoteOnType,
Osator 0:339b7abfa147 172 PolyphonicAftertouchType,
Osator 0:339b7abfa147 173 ControlChangeType,
Osator 0:339b7abfa147 174 ProgramChangeType,
Osator 0:339b7abfa147 175 ChannelAftertouchType,
Osator 0:339b7abfa147 176 PitchWheelType,
Osator 0:339b7abfa147 177 AllNotesOffType
Osator 0:339b7abfa147 178 };
Osator 0:339b7abfa147 179
Osator 0:339b7abfa147 180 /** Read the message type
Osator 0:339b7abfa147 181 * @returns MIDIMessageType
Osator 0:339b7abfa147 182 */
Osator 0:339b7abfa147 183 MIDIMessageType type() {
Osator 0:339b7abfa147 184 switch((data[1] >> 4) & 0xF) {
Osator 0:339b7abfa147 185 case 0x8: return NoteOffType;
Osator 0:339b7abfa147 186 case 0x9: return NoteOnType;
Osator 0:339b7abfa147 187 case 0xA: return PolyphonicAftertouchType;
Osator 0:339b7abfa147 188 case 0xB:
Osator 0:339b7abfa147 189 if(controller() < 120) { // standard controllers
Osator 0:339b7abfa147 190 return ControlChangeType;
Osator 0:339b7abfa147 191 } else if(controller() == 123) {
Osator 0:339b7abfa147 192 return AllNotesOffType;
Osator 0:339b7abfa147 193 } else {
Osator 0:339b7abfa147 194 return ErrorType; // unsupported atm
Osator 0:339b7abfa147 195 }
Osator 0:339b7abfa147 196 case 0xC: return ProgramChangeType;
Osator 0:339b7abfa147 197 case 0xD: return ChannelAftertouchType;
Osator 0:339b7abfa147 198 case 0xE: return PitchWheelType;
Osator 0:339b7abfa147 199 default: return ErrorType;
Osator 0:339b7abfa147 200 }
Osator 0:339b7abfa147 201 }
Osator 0:339b7abfa147 202
Osator 0:339b7abfa147 203 /** Read the channel number */
Osator 0:339b7abfa147 204 int channel() {
Osator 0:339b7abfa147 205 return (data[1] & 0x0F);
Osator 0:339b7abfa147 206 }
Osator 0:339b7abfa147 207
Osator 0:339b7abfa147 208 /** Read the key ID */
Osator 0:339b7abfa147 209 int key() {
Osator 0:339b7abfa147 210 return (data[2] & 0x7F);
Osator 0:339b7abfa147 211 }
Osator 0:339b7abfa147 212
Osator 0:339b7abfa147 213 /** Read the velocity */
Osator 0:339b7abfa147 214 int velocity() {
Osator 0:339b7abfa147 215 return (data[3] & 0x7F);
Osator 0:339b7abfa147 216 }
Osator 0:339b7abfa147 217
Osator 0:339b7abfa147 218 /** Read the controller value */
Osator 0:339b7abfa147 219 int value() {
Osator 0:339b7abfa147 220 return (data[3] & 0x7F);
Osator 0:339b7abfa147 221 }
Osator 0:339b7abfa147 222
Osator 0:339b7abfa147 223 /** Read the aftertouch pressure */
Osator 0:339b7abfa147 224 int pressure() {
Osator 0:339b7abfa147 225 if(type() == PolyphonicAftertouchType) {
Osator 0:339b7abfa147 226 return (data[3] & 0x7F);
Osator 0:339b7abfa147 227 } else {
Osator 0:339b7abfa147 228 return (data[2] & 0x7F);
Osator 0:339b7abfa147 229 }
Osator 0:339b7abfa147 230 }
Osator 0:339b7abfa147 231
Osator 0:339b7abfa147 232 /** Read the controller number */
Osator 0:339b7abfa147 233 int controller() {
Osator 0:339b7abfa147 234 return (data[2] & 0x7F);
Osator 0:339b7abfa147 235 }
Osator 0:339b7abfa147 236
Osator 0:339b7abfa147 237 /** Read the program number */
Osator 0:339b7abfa147 238 int program() {
Osator 0:339b7abfa147 239 return (data[2] & 0x7F);
Osator 0:339b7abfa147 240 }
Osator 0:339b7abfa147 241
Osator 0:339b7abfa147 242 /** Read the pitch value */
Osator 0:339b7abfa147 243 int pitch() {
Osator 0:339b7abfa147 244 int p = ((data[3] & 0x7F) << 7) | (data[2] & 0x7F);
Osator 0:339b7abfa147 245 return p - 8192; // 0 - 16383, 8192 is center
Osator 0:339b7abfa147 246 }
Osator 0:339b7abfa147 247
Osator 0:339b7abfa147 248 uint8_t data[4];
Osator 0:339b7abfa147 249 };
Osator 0:339b7abfa147 250
Osator 0:339b7abfa147 251 #endif