Witek Ewert / Mbed 2 deprecated KL46Z-Lab2_lodz

Sensor reporting over USB CDC

Dependencies:   MAG3110 MMA8451Q SLCD- TSI USBDevice mbed

USBDevice/USBMIDI/MIDIMessage.h@0:7b58cdacf811, 2014-04-16 (annotated)

Committer:
wue
Date:
Wed Apr 16 12:20:12 2014 +0000
Revision:
0:7b58cdacf811
Sensor reporting over USB CDC

Who changed what in which revision?

UserRevisionLine numberNew contents of line
wue 0:7b58cdacf811 1 /* Copyright (c) 2010-2011 mbed.org, MIT License
wue 0:7b58cdacf811 2 *
wue 0:7b58cdacf811 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
wue 0:7b58cdacf811 4 * and associated documentation files (the "Software"), to deal in the Software without
wue 0:7b58cdacf811 5 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
wue 0:7b58cdacf811 6 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
wue 0:7b58cdacf811 7 * Software is furnished to do so, subject to the following conditions:
wue 0:7b58cdacf811 8 *
wue 0:7b58cdacf811 9 * The above copyright notice and this permission notice shall be included in all copies or
wue 0:7b58cdacf811 10 * substantial portions of the Software.
wue 0:7b58cdacf811 11 *
wue 0:7b58cdacf811 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
wue 0:7b58cdacf811 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
wue 0:7b58cdacf811 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
wue 0:7b58cdacf811 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
wue 0:7b58cdacf811 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
wue 0:7b58cdacf811 17 */
wue 0:7b58cdacf811 18
wue 0:7b58cdacf811 19 #ifndef MIDIMESSAGE_H
wue 0:7b58cdacf811 20 #define MIDIMESSAGE_H
wue 0:7b58cdacf811 21
wue 0:7b58cdacf811 22 #include "mbed.h"
wue 0:7b58cdacf811 23
wue 0:7b58cdacf811 24 // MIDI Message Format
wue 0:7b58cdacf811 25 //
wue 0:7b58cdacf811 26 // [ msg(4) | channel(4) ] [ 0 | n(7) ] [ 0 | m(7) ]
wue 0:7b58cdacf811 27 //
wue 0:7b58cdacf811 28 // MIDI Data Messages (Channel Specific)
wue 0:7b58cdacf811 29 //
wue 0:7b58cdacf811 30 // Message msg n m
wue 0:7b58cdacf811 31 // ---------------------------------------------
wue 0:7b58cdacf811 32 // Note Off 0x8 Key Velocity
wue 0:7b58cdacf811 33 // Note On 0x9 Key Velocity
wue 0:7b58cdacf811 34 // Polyphonic Aftertouch 0xA Key Pressure
wue 0:7b58cdacf811 35 // Control Change 0xB Controller Value
wue 0:7b58cdacf811 36 // Program Change 0xC Program -
wue 0:7b58cdacf811 37 // Channel Aftertouch 0xD Pressure -
wue 0:7b58cdacf811 38 // Pitch Wheel 0xE LSB MSB
wue 0:7b58cdacf811 39
wue 0:7b58cdacf811 40 #define CABLE_NUM (0<<4)
wue 0:7b58cdacf811 41
wue 0:7b58cdacf811 42 /** A MIDI message container */
wue 0:7b58cdacf811 43 class MIDIMessage {
wue 0:7b58cdacf811 44 public:
wue 0:7b58cdacf811 45 MIDIMessage() {}
wue 0:7b58cdacf811 46
wue 0:7b58cdacf811 47 MIDIMessage(uint8_t *buf) {
wue 0:7b58cdacf811 48 for (int i = 0; i < 4; i++)
wue 0:7b58cdacf811 49 data[i] = buf[i];
wue 0:7b58cdacf811 50 }
wue 0:7b58cdacf811 51
wue 0:7b58cdacf811 52 // create messages
wue 0:7b58cdacf811 53
wue 0:7b58cdacf811 54 /** Create a NoteOff message
wue 0:7b58cdacf811 55 * @param key Key ID
wue 0:7b58cdacf811 56 * @param velocity Key velocity (0-127, default = 127)
wue 0:7b58cdacf811 57 * @param channel Key channel (0-15, default 0)
wue 0:7b58cdacf811 58 * @returns A MIDIMessage
wue 0:7b58cdacf811 59 */
wue 0:7b58cdacf811 60 static MIDIMessage NoteOff(int key, int velocity = 127, int channel = 0) {
wue 0:7b58cdacf811 61 MIDIMessage msg;
wue 0:7b58cdacf811 62 msg.data[0] = CABLE_NUM | 0x08;
wue 0:7b58cdacf811 63 msg.data[1] = 0x80 | (channel & 0x0F);
wue 0:7b58cdacf811 64 msg.data[2] = key & 0x7F;
wue 0:7b58cdacf811 65 msg.data[3] = velocity & 0x7F;
wue 0:7b58cdacf811 66 return msg;
wue 0:7b58cdacf811 67 }
wue 0:7b58cdacf811 68
wue 0:7b58cdacf811 69 /** Create a NoteOn message
wue 0:7b58cdacf811 70 * @param key Key ID
wue 0:7b58cdacf811 71 * @param velocity Key velocity (0-127, default = 127)
wue 0:7b58cdacf811 72 * @param channel Key channel (0-15, default 0)
wue 0:7b58cdacf811 73 * @returns A MIDIMessage
wue 0:7b58cdacf811 74 */
wue 0:7b58cdacf811 75 static MIDIMessage NoteOn(int key, int velocity = 127, int channel = 0) {
wue 0:7b58cdacf811 76 MIDIMessage msg;
wue 0:7b58cdacf811 77 msg.data[0] = CABLE_NUM | 0x09;
wue 0:7b58cdacf811 78 msg.data[1] = 0x90 | (channel & 0x0F);
wue 0:7b58cdacf811 79 msg.data[2] = key & 0x7F;
wue 0:7b58cdacf811 80 msg.data[3] = velocity & 0x7F;
wue 0:7b58cdacf811 81 return msg;
wue 0:7b58cdacf811 82 }
wue 0:7b58cdacf811 83
wue 0:7b58cdacf811 84 /** Create a PolyPhonic Aftertouch message
wue 0:7b58cdacf811 85 * @param key Key ID
wue 0:7b58cdacf811 86 * @param pressure Aftertouch pressure (0-127)
wue 0:7b58cdacf811 87 * @param channel Key channel (0-15, default 0)
wue 0:7b58cdacf811 88 * @returns A MIDIMessage
wue 0:7b58cdacf811 89 */
wue 0:7b58cdacf811 90 static MIDIMessage PolyphonicAftertouch(int key, int pressure, int channel = 0) {
wue 0:7b58cdacf811 91 MIDIMessage msg;
wue 0:7b58cdacf811 92 msg.data[0] = CABLE_NUM | 0x0A;
wue 0:7b58cdacf811 93 msg.data[1] = 0xA0 | (channel & 0x0F);
wue 0:7b58cdacf811 94 msg.data[2] = key & 0x7F;
wue 0:7b58cdacf811 95 msg.data[3] = pressure & 0x7F;
wue 0:7b58cdacf811 96 return msg;
wue 0:7b58cdacf811 97 }
wue 0:7b58cdacf811 98
wue 0:7b58cdacf811 99 /** Create a Control Change message
wue 0:7b58cdacf811 100 * @param control Controller ID
wue 0:7b58cdacf811 101 * @param value Controller value (0-127)
wue 0:7b58cdacf811 102 * @param channel Controller channel (0-15, default 0)
wue 0:7b58cdacf811 103 * @returns A MIDIMessage
wue 0:7b58cdacf811 104 */
wue 0:7b58cdacf811 105 static MIDIMessage ControlChange(int control, int value, int channel = 0) {
wue 0:7b58cdacf811 106 MIDIMessage msg;
wue 0:7b58cdacf811 107 msg.data[0] = CABLE_NUM | 0x0B;
wue 0:7b58cdacf811 108 msg.data[1] = 0xB0 | (channel & 0x0F);
wue 0:7b58cdacf811 109 msg.data[2] = control & 0x7F;
wue 0:7b58cdacf811 110 msg.data[3] = value & 0x7F;
wue 0:7b58cdacf811 111 return msg;
wue 0:7b58cdacf811 112 }
wue 0:7b58cdacf811 113
wue 0:7b58cdacf811 114 /** Create a Program Change message
wue 0:7b58cdacf811 115 * @param program Program ID
wue 0:7b58cdacf811 116 * @param channel Channel (0-15, default 0)
wue 0:7b58cdacf811 117 * @returns A MIDIMessage
wue 0:7b58cdacf811 118 */
wue 0:7b58cdacf811 119 static MIDIMessage ProgramChange(int program, int channel = 0) {
wue 0:7b58cdacf811 120 MIDIMessage msg;
wue 0:7b58cdacf811 121 msg.data[0] = CABLE_NUM | 0x0C;
wue 0:7b58cdacf811 122 msg.data[1] = 0xC0 | (channel & 0x0F);
wue 0:7b58cdacf811 123 msg.data[2] = program & 0x7F;
wue 0:7b58cdacf811 124 msg.data[3] = 0x00;
wue 0:7b58cdacf811 125 return msg;
wue 0:7b58cdacf811 126 }
wue 0:7b58cdacf811 127
wue 0:7b58cdacf811 128 /** Create a Channel Aftertouch message
wue 0:7b58cdacf811 129 * @param pressure Pressure
wue 0:7b58cdacf811 130 * @param channel Key channel (0-15, default 0)
wue 0:7b58cdacf811 131 * @returns A MIDIMessage
wue 0:7b58cdacf811 132 */
wue 0:7b58cdacf811 133 static MIDIMessage ChannelAftertouch(int pressure, int channel = 0) {
wue 0:7b58cdacf811 134 MIDIMessage msg;
wue 0:7b58cdacf811 135 msg.data[0] = CABLE_NUM | 0x0D;
wue 0:7b58cdacf811 136 msg.data[1] = 0xD0 | (channel & 0x0F);
wue 0:7b58cdacf811 137 msg.data[2] = pressure & 0x7F;
wue 0:7b58cdacf811 138 msg.data[3] = 0x00;
wue 0:7b58cdacf811 139 return msg;
wue 0:7b58cdacf811 140 }
wue 0:7b58cdacf811 141
wue 0:7b58cdacf811 142 /** Create a Pitch Wheel message
wue 0:7b58cdacf811 143 * @param pitch Pitch (-8192 - 8191, default = 0)
wue 0:7b58cdacf811 144 * @param channel Channel (0-15, default 0)
wue 0:7b58cdacf811 145 * @returns A MIDIMessage
wue 0:7b58cdacf811 146 */
wue 0:7b58cdacf811 147 static MIDIMessage PitchWheel(int pitch = 0, int channel = 0) {
wue 0:7b58cdacf811 148 MIDIMessage msg;
wue 0:7b58cdacf811 149 int p = pitch + 8192; // 0 - 16383, 8192 is center
wue 0:7b58cdacf811 150 msg.data[0] = CABLE_NUM | 0x0E;
wue 0:7b58cdacf811 151 msg.data[1] = 0xE0 | (channel & 0x0F);
wue 0:7b58cdacf811 152 msg.data[2] = p & 0x7F;
wue 0:7b58cdacf811 153 msg.data[3] = (p >> 7) & 0x7F;
wue 0:7b58cdacf811 154 return msg;
wue 0:7b58cdacf811 155 }
wue 0:7b58cdacf811 156
wue 0:7b58cdacf811 157 /** Create an All Notes Off message
wue 0:7b58cdacf811 158 * @param channel Channel (0-15, default 0)
wue 0:7b58cdacf811 159 * @returns A MIDIMessage
wue 0:7b58cdacf811 160 */
wue 0:7b58cdacf811 161 static MIDIMessage AllNotesOff(int channel = 0) {
wue 0:7b58cdacf811 162 return ControlChange(123, 0, channel);
wue 0:7b58cdacf811 163 }
wue 0:7b58cdacf811 164
wue 0:7b58cdacf811 165 // decode messages
wue 0:7b58cdacf811 166
wue 0:7b58cdacf811 167 /** MIDI Message Types */
wue 0:7b58cdacf811 168 enum MIDIMessageType {
wue 0:7b58cdacf811 169 ErrorType,
wue 0:7b58cdacf811 170 NoteOffType,
wue 0:7b58cdacf811 171 NoteOnType,
wue 0:7b58cdacf811 172 PolyphonicAftertouchType,
wue 0:7b58cdacf811 173 ControlChangeType,
wue 0:7b58cdacf811 174 ProgramChangeType,
wue 0:7b58cdacf811 175 ChannelAftertouchType,
wue 0:7b58cdacf811 176 PitchWheelType,
wue 0:7b58cdacf811 177 AllNotesOffType
wue 0:7b58cdacf811 178 };
wue 0:7b58cdacf811 179
wue 0:7b58cdacf811 180 /** Read the message type
wue 0:7b58cdacf811 181 * @returns MIDIMessageType
wue 0:7b58cdacf811 182 */
wue 0:7b58cdacf811 183 MIDIMessageType type() {
wue 0:7b58cdacf811 184 switch((data[1] >> 4) & 0xF) {
wue 0:7b58cdacf811 185 case 0x8: return NoteOffType;
wue 0:7b58cdacf811 186 case 0x9: return NoteOnType;
wue 0:7b58cdacf811 187 case 0xA: return PolyphonicAftertouchType;
wue 0:7b58cdacf811 188 case 0xB:
wue 0:7b58cdacf811 189 if(controller() < 120) { // standard controllers
wue 0:7b58cdacf811 190 return ControlChangeType;
wue 0:7b58cdacf811 191 } else if(controller() == 123) {
wue 0:7b58cdacf811 192 return AllNotesOffType;
wue 0:7b58cdacf811 193 } else {
wue 0:7b58cdacf811 194 return ErrorType; // unsupported atm
wue 0:7b58cdacf811 195 }
wue 0:7b58cdacf811 196 case 0xC: return ProgramChangeType;
wue 0:7b58cdacf811 197 case 0xD: return ChannelAftertouchType;
wue 0:7b58cdacf811 198 case 0xE: return PitchWheelType;
wue 0:7b58cdacf811 199 default: return ErrorType;
wue 0:7b58cdacf811 200 }
wue 0:7b58cdacf811 201 }
wue 0:7b58cdacf811 202
wue 0:7b58cdacf811 203 /** Read the channel number */
wue 0:7b58cdacf811 204 int channel() {
wue 0:7b58cdacf811 205 return (data[1] & 0x0F);
wue 0:7b58cdacf811 206 }
wue 0:7b58cdacf811 207
wue 0:7b58cdacf811 208 /** Read the key ID */
wue 0:7b58cdacf811 209 int key() {
wue 0:7b58cdacf811 210 return (data[2] & 0x7F);
wue 0:7b58cdacf811 211 }
wue 0:7b58cdacf811 212
wue 0:7b58cdacf811 213 /** Read the velocity */
wue 0:7b58cdacf811 214 int velocity() {
wue 0:7b58cdacf811 215 return (data[3] & 0x7F);
wue 0:7b58cdacf811 216 }
wue 0:7b58cdacf811 217
wue 0:7b58cdacf811 218 /** Read the controller value */
wue 0:7b58cdacf811 219 int value() {
wue 0:7b58cdacf811 220 return (data[3] & 0x7F);
wue 0:7b58cdacf811 221 }
wue 0:7b58cdacf811 222
wue 0:7b58cdacf811 223 /** Read the aftertouch pressure */
wue 0:7b58cdacf811 224 int pressure() {
wue 0:7b58cdacf811 225 if(type() == PolyphonicAftertouchType) {
wue 0:7b58cdacf811 226 return (data[3] & 0x7F);
wue 0:7b58cdacf811 227 } else {
wue 0:7b58cdacf811 228 return (data[2] & 0x7F);
wue 0:7b58cdacf811 229 }
wue 0:7b58cdacf811 230 }
wue 0:7b58cdacf811 231
wue 0:7b58cdacf811 232 /** Read the controller number */
wue 0:7b58cdacf811 233 int controller() {
wue 0:7b58cdacf811 234 return (data[2] & 0x7F);
wue 0:7b58cdacf811 235 }
wue 0:7b58cdacf811 236
wue 0:7b58cdacf811 237 /** Read the program number */
wue 0:7b58cdacf811 238 int program() {
wue 0:7b58cdacf811 239 return (data[2] & 0x7F);
wue 0:7b58cdacf811 240 }
wue 0:7b58cdacf811 241
wue 0:7b58cdacf811 242 /** Read the pitch value */
wue 0:7b58cdacf811 243 int pitch() {
wue 0:7b58cdacf811 244 int p = ((data[3] & 0x7F) << 7) | (data[2] & 0x7F);
wue 0:7b58cdacf811 245 return p - 8192; // 0 - 16383, 8192 is center
wue 0:7b58cdacf811 246 }
wue 0:7b58cdacf811 247
wue 0:7b58cdacf811 248 uint8_t data[4];
wue 0:7b58cdacf811 249 };
wue 0:7b58cdacf811 250
wue 0:7b58cdacf811 251 #endif