Lucas Lim / Mbed 2 deprecated HSP_Temperature_Barometer_CS3237

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Dependencies:   mbed

USBDevice_copy/USBMIDI/MIDIMessage.h@22:5c07298d3383, 2019-08-26 (annotated)

Committer:
lucaslwl
Date:
Mon Aug 26 08:11:41 2019 +0000
Revision:
22:5c07298d3383
add library folder

Who changed what in which revision?

UserRevisionLine numberNew contents of line
lucaslwl 22:5c07298d3383 1 /* Copyright (c) 2010-2011 mbed.org, MIT License
lucaslwl 22:5c07298d3383 2 *
lucaslwl 22:5c07298d3383 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
lucaslwl 22:5c07298d3383 4 * and associated documentation files (the "Software"), to deal in the Software without
lucaslwl 22:5c07298d3383 5 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
lucaslwl 22:5c07298d3383 6 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
lucaslwl 22:5c07298d3383 7 * Software is furnished to do so, subject to the following conditions:
lucaslwl 22:5c07298d3383 8 *
lucaslwl 22:5c07298d3383 9 * The above copyright notice and this permission notice shall be included in all copies or
lucaslwl 22:5c07298d3383 10 * substantial portions of the Software.
lucaslwl 22:5c07298d3383 11 *
lucaslwl 22:5c07298d3383 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
lucaslwl 22:5c07298d3383 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
lucaslwl 22:5c07298d3383 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
lucaslwl 22:5c07298d3383 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
lucaslwl 22:5c07298d3383 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
lucaslwl 22:5c07298d3383 17 */
lucaslwl 22:5c07298d3383 18
lucaslwl 22:5c07298d3383 19 #ifndef MIDIMESSAGE_H
lucaslwl 22:5c07298d3383 20 #define MIDIMESSAGE_H
lucaslwl 22:5c07298d3383 21
lucaslwl 22:5c07298d3383 22 #include "mbed.h"
lucaslwl 22:5c07298d3383 23
lucaslwl 22:5c07298d3383 24 #define MAX_MIDI_MESSAGE_SIZE 256 // Max message size. SysEx can be up to 65536 but 256 should be fine for most usage
lucaslwl 22:5c07298d3383 25
lucaslwl 22:5c07298d3383 26 // MIDI Message Format
lucaslwl 22:5c07298d3383 27 //
lucaslwl 22:5c07298d3383 28 // [ msg(4) | channel(4) ] [ 0 | n(7) ] [ 0 | m(7) ]
lucaslwl 22:5c07298d3383 29 //
lucaslwl 22:5c07298d3383 30 // MIDI Data Messages (Channel Specific)
lucaslwl 22:5c07298d3383 31 //
lucaslwl 22:5c07298d3383 32 // Message msg n m
lucaslwl 22:5c07298d3383 33 // ---------------------------------------------
lucaslwl 22:5c07298d3383 34 // Note Off 0x8 Key Velocity
lucaslwl 22:5c07298d3383 35 // Note On 0x9 Key Velocity
lucaslwl 22:5c07298d3383 36 // Polyphonic Aftertouch 0xA Key Pressure
lucaslwl 22:5c07298d3383 37 // Control Change 0xB Controller Value
lucaslwl 22:5c07298d3383 38 // Program Change 0xC Program -
lucaslwl 22:5c07298d3383 39 // Channel Aftertouch 0xD Pressure -
lucaslwl 22:5c07298d3383 40 // Pitch Wheel 0xE LSB MSB
lucaslwl 22:5c07298d3383 41
lucaslwl 22:5c07298d3383 42 #define CABLE_NUM (0<<4)
lucaslwl 22:5c07298d3383 43
lucaslwl 22:5c07298d3383 44 /** A MIDI message container */
lucaslwl 22:5c07298d3383 45 class MIDIMessage {
lucaslwl 22:5c07298d3383 46 public:
lucaslwl 22:5c07298d3383 47 MIDIMessage() : length(4) {}
lucaslwl 22:5c07298d3383 48
lucaslwl 22:5c07298d3383 49 MIDIMessage(uint8_t *buf) : length(4) {
lucaslwl 22:5c07298d3383 50 for (int i = 0; i < 4; i++)
lucaslwl 22:5c07298d3383 51 data[i] = buf[i];
lucaslwl 22:5c07298d3383 52 }
lucaslwl 22:5c07298d3383 53
lucaslwl 22:5c07298d3383 54 // New constructor, buf is a true MIDI message (not USBMidi message) and buf_len true message length.
lucaslwl 22:5c07298d3383 55 MIDIMessage(uint8_t *buf, int buf_len) {
lucaslwl 22:5c07298d3383 56 length=buf_len+1;
lucaslwl 22:5c07298d3383 57 // first byte keeped for retro-compatibility
lucaslwl 22:5c07298d3383 58 data[0]=0;
lucaslwl 22:5c07298d3383 59
lucaslwl 22:5c07298d3383 60 for (int i = 0; i < buf_len; i++)
lucaslwl 22:5c07298d3383 61 data[i+1] = buf[i];
lucaslwl 22:5c07298d3383 62 }
lucaslwl 22:5c07298d3383 63
lucaslwl 22:5c07298d3383 64 // create messages
lucaslwl 22:5c07298d3383 65
lucaslwl 22:5c07298d3383 66 /** Create a NoteOff message
lucaslwl 22:5c07298d3383 67 * @param key Key ID
lucaslwl 22:5c07298d3383 68 * @param velocity Key velocity (0-127, default = 127)
lucaslwl 22:5c07298d3383 69 * @param channel Key channel (0-15, default 0)
lucaslwl 22:5c07298d3383 70 * @returns A MIDIMessage
lucaslwl 22:5c07298d3383 71 */
lucaslwl 22:5c07298d3383 72 static MIDIMessage NoteOff(int key, int velocity = 127, int channel = 0) {
lucaslwl 22:5c07298d3383 73 MIDIMessage msg;
lucaslwl 22:5c07298d3383 74 msg.data[0] = CABLE_NUM | 0x08;
lucaslwl 22:5c07298d3383 75 msg.data[1] = 0x80 | (channel & 0x0F);
lucaslwl 22:5c07298d3383 76 msg.data[2] = key & 0x7F;
lucaslwl 22:5c07298d3383 77 msg.data[3] = velocity & 0x7F;
lucaslwl 22:5c07298d3383 78 return msg;
lucaslwl 22:5c07298d3383 79 }
lucaslwl 22:5c07298d3383 80
lucaslwl 22:5c07298d3383 81 /** Create a NoteOn message
lucaslwl 22:5c07298d3383 82 * @param key Key ID
lucaslwl 22:5c07298d3383 83 * @param velocity Key velocity (0-127, default = 127)
lucaslwl 22:5c07298d3383 84 * @param channel Key channel (0-15, default 0)
lucaslwl 22:5c07298d3383 85 * @returns A MIDIMessage
lucaslwl 22:5c07298d3383 86 */
lucaslwl 22:5c07298d3383 87 static MIDIMessage NoteOn(int key, int velocity = 127, int channel = 0) {
lucaslwl 22:5c07298d3383 88 MIDIMessage msg;
lucaslwl 22:5c07298d3383 89 msg.data[0] = CABLE_NUM | 0x09;
lucaslwl 22:5c07298d3383 90 msg.data[1] = 0x90 | (channel & 0x0F);
lucaslwl 22:5c07298d3383 91 msg.data[2] = key & 0x7F;
lucaslwl 22:5c07298d3383 92 msg.data[3] = velocity & 0x7F;
lucaslwl 22:5c07298d3383 93 return msg;
lucaslwl 22:5c07298d3383 94 }
lucaslwl 22:5c07298d3383 95
lucaslwl 22:5c07298d3383 96 /** Create a PolyPhonic Aftertouch message
lucaslwl 22:5c07298d3383 97 * @param key Key ID
lucaslwl 22:5c07298d3383 98 * @param pressure Aftertouch pressure (0-127)
lucaslwl 22:5c07298d3383 99 * @param channel Key channel (0-15, default 0)
lucaslwl 22:5c07298d3383 100 * @returns A MIDIMessage
lucaslwl 22:5c07298d3383 101 */
lucaslwl 22:5c07298d3383 102 static MIDIMessage PolyphonicAftertouch(int key, int pressure, int channel = 0) {
lucaslwl 22:5c07298d3383 103 MIDIMessage msg;
lucaslwl 22:5c07298d3383 104 msg.data[0] = CABLE_NUM | 0x0A;
lucaslwl 22:5c07298d3383 105 msg.data[1] = 0xA0 | (channel & 0x0F);
lucaslwl 22:5c07298d3383 106 msg.data[2] = key & 0x7F;
lucaslwl 22:5c07298d3383 107 msg.data[3] = pressure & 0x7F;
lucaslwl 22:5c07298d3383 108 return msg;
lucaslwl 22:5c07298d3383 109 }
lucaslwl 22:5c07298d3383 110
lucaslwl 22:5c07298d3383 111 /** Create a Control Change message
lucaslwl 22:5c07298d3383 112 * @param control Controller ID
lucaslwl 22:5c07298d3383 113 * @param value Controller value (0-127)
lucaslwl 22:5c07298d3383 114 * @param channel Controller channel (0-15, default 0)
lucaslwl 22:5c07298d3383 115 * @returns A MIDIMessage
lucaslwl 22:5c07298d3383 116 */
lucaslwl 22:5c07298d3383 117 static MIDIMessage ControlChange(int control, int value, int channel = 0) {
lucaslwl 22:5c07298d3383 118 MIDIMessage msg;
lucaslwl 22:5c07298d3383 119 msg.data[0] = CABLE_NUM | 0x0B;
lucaslwl 22:5c07298d3383 120 msg.data[1] = 0xB0 | (channel & 0x0F);
lucaslwl 22:5c07298d3383 121 msg.data[2] = control & 0x7F;
lucaslwl 22:5c07298d3383 122 msg.data[3] = value & 0x7F;
lucaslwl 22:5c07298d3383 123 return msg;
lucaslwl 22:5c07298d3383 124 }
lucaslwl 22:5c07298d3383 125
lucaslwl 22:5c07298d3383 126 /** Create a Program Change message
lucaslwl 22:5c07298d3383 127 * @param program Program ID
lucaslwl 22:5c07298d3383 128 * @param channel Channel (0-15, default 0)
lucaslwl 22:5c07298d3383 129 * @returns A MIDIMessage
lucaslwl 22:5c07298d3383 130 */
lucaslwl 22:5c07298d3383 131 static MIDIMessage ProgramChange(int program, int channel = 0) {
lucaslwl 22:5c07298d3383 132 MIDIMessage msg;
lucaslwl 22:5c07298d3383 133 msg.data[0] = CABLE_NUM | 0x0C;
lucaslwl 22:5c07298d3383 134 msg.data[1] = 0xC0 | (channel & 0x0F);
lucaslwl 22:5c07298d3383 135 msg.data[2] = program & 0x7F;
lucaslwl 22:5c07298d3383 136 msg.data[3] = 0x00;
lucaslwl 22:5c07298d3383 137 return msg;
lucaslwl 22:5c07298d3383 138 }
lucaslwl 22:5c07298d3383 139
lucaslwl 22:5c07298d3383 140 /** Create a Channel Aftertouch message
lucaslwl 22:5c07298d3383 141 * @param pressure Pressure
lucaslwl 22:5c07298d3383 142 * @param channel Key channel (0-15, default 0)
lucaslwl 22:5c07298d3383 143 * @returns A MIDIMessage
lucaslwl 22:5c07298d3383 144 */
lucaslwl 22:5c07298d3383 145 static MIDIMessage ChannelAftertouch(int pressure, int channel = 0) {
lucaslwl 22:5c07298d3383 146 MIDIMessage msg;
lucaslwl 22:5c07298d3383 147 msg.data[0] = CABLE_NUM | 0x0D;
lucaslwl 22:5c07298d3383 148 msg.data[1] = 0xD0 | (channel & 0x0F);
lucaslwl 22:5c07298d3383 149 msg.data[2] = pressure & 0x7F;
lucaslwl 22:5c07298d3383 150 msg.data[3] = 0x00;
lucaslwl 22:5c07298d3383 151 return msg;
lucaslwl 22:5c07298d3383 152 }
lucaslwl 22:5c07298d3383 153
lucaslwl 22:5c07298d3383 154 /** Create a Pitch Wheel message
lucaslwl 22:5c07298d3383 155 * @param pitch Pitch (-8192 - 8191, default = 0)
lucaslwl 22:5c07298d3383 156 * @param channel Channel (0-15, default 0)
lucaslwl 22:5c07298d3383 157 * @returns A MIDIMessage
lucaslwl 22:5c07298d3383 158 */
lucaslwl 22:5c07298d3383 159 static MIDIMessage PitchWheel(int pitch = 0, int channel = 0) {
lucaslwl 22:5c07298d3383 160 MIDIMessage msg;
lucaslwl 22:5c07298d3383 161 int p = pitch + 8192; // 0 - 16383, 8192 is center
lucaslwl 22:5c07298d3383 162 msg.data[0] = CABLE_NUM | 0x0E;
lucaslwl 22:5c07298d3383 163 msg.data[1] = 0xE0 | (channel & 0x0F);
lucaslwl 22:5c07298d3383 164 msg.data[2] = p & 0x7F;
lucaslwl 22:5c07298d3383 165 msg.data[3] = (p >> 7) & 0x7F;
lucaslwl 22:5c07298d3383 166 return msg;
lucaslwl 22:5c07298d3383 167 }
lucaslwl 22:5c07298d3383 168
lucaslwl 22:5c07298d3383 169 /** Create an All Notes Off message
lucaslwl 22:5c07298d3383 170 * @param channel Channel (0-15, default 0)
lucaslwl 22:5c07298d3383 171 * @returns A MIDIMessage
lucaslwl 22:5c07298d3383 172 */
lucaslwl 22:5c07298d3383 173 static MIDIMessage AllNotesOff(int channel = 0) {
lucaslwl 22:5c07298d3383 174 return ControlChange(123, 0, channel);
lucaslwl 22:5c07298d3383 175 }
lucaslwl 22:5c07298d3383 176
lucaslwl 22:5c07298d3383 177 /** Create a SysEx message
lucaslwl 22:5c07298d3383 178 * @param data SysEx data (including 0xF0 .. 0xF7)
lucaslwl 22:5c07298d3383 179 * @param len SysEx data length
lucaslwl 22:5c07298d3383 180 * @returns A MIDIMessage
lucaslwl 22:5c07298d3383 181 */
lucaslwl 22:5c07298d3383 182 static MIDIMessage SysEx(uint8_t *data, int len) {
lucaslwl 22:5c07298d3383 183 MIDIMessage msg=MIDIMessage(data,len);
lucaslwl 22:5c07298d3383 184 return msg;
lucaslwl 22:5c07298d3383 185 }
lucaslwl 22:5c07298d3383 186
lucaslwl 22:5c07298d3383 187 // decode messages
lucaslwl 22:5c07298d3383 188
lucaslwl 22:5c07298d3383 189 /** MIDI Message Types */
lucaslwl 22:5c07298d3383 190 enum MIDIMessageType {
lucaslwl 22:5c07298d3383 191 ErrorType,
lucaslwl 22:5c07298d3383 192 NoteOffType,
lucaslwl 22:5c07298d3383 193 NoteOnType,
lucaslwl 22:5c07298d3383 194 PolyphonicAftertouchType,
lucaslwl 22:5c07298d3383 195 ControlChangeType,
lucaslwl 22:5c07298d3383 196 ProgramChangeType,
lucaslwl 22:5c07298d3383 197 ChannelAftertouchType,
lucaslwl 22:5c07298d3383 198 PitchWheelType,
lucaslwl 22:5c07298d3383 199 AllNotesOffType,
lucaslwl 22:5c07298d3383 200 SysExType
lucaslwl 22:5c07298d3383 201 };
lucaslwl 22:5c07298d3383 202
lucaslwl 22:5c07298d3383 203 /** Read the message type
lucaslwl 22:5c07298d3383 204 * @returns MIDIMessageType
lucaslwl 22:5c07298d3383 205 */
lucaslwl 22:5c07298d3383 206 MIDIMessageType type() {
lucaslwl 22:5c07298d3383 207 switch((data[1] >> 4) & 0xF) {
lucaslwl 22:5c07298d3383 208 case 0x8: return NoteOffType;
lucaslwl 22:5c07298d3383 209 case 0x9: return NoteOnType;
lucaslwl 22:5c07298d3383 210 case 0xA: return PolyphonicAftertouchType;
lucaslwl 22:5c07298d3383 211 case 0xB:
lucaslwl 22:5c07298d3383 212 if(controller() < 120) { // standard controllers
lucaslwl 22:5c07298d3383 213 return ControlChangeType;
lucaslwl 22:5c07298d3383 214 } else if(controller() == 123) {
lucaslwl 22:5c07298d3383 215 return AllNotesOffType;
lucaslwl 22:5c07298d3383 216 } else {
lucaslwl 22:5c07298d3383 217 return ErrorType; // unsupported atm
lucaslwl 22:5c07298d3383 218 }
lucaslwl 22:5c07298d3383 219 case 0xC: return ProgramChangeType;
lucaslwl 22:5c07298d3383 220 case 0xD: return ChannelAftertouchType;
lucaslwl 22:5c07298d3383 221 case 0xE: return PitchWheelType;
lucaslwl 22:5c07298d3383 222 case 0xF: return SysExType;
lucaslwl 22:5c07298d3383 223 default: return ErrorType;
lucaslwl 22:5c07298d3383 224 }
lucaslwl 22:5c07298d3383 225 }
lucaslwl 22:5c07298d3383 226
lucaslwl 22:5c07298d3383 227 /** Read the channel number */
lucaslwl 22:5c07298d3383 228 int channel() {
lucaslwl 22:5c07298d3383 229 return (data[1] & 0x0F);
lucaslwl 22:5c07298d3383 230 }
lucaslwl 22:5c07298d3383 231
lucaslwl 22:5c07298d3383 232 /** Read the key ID */
lucaslwl 22:5c07298d3383 233 int key() {
lucaslwl 22:5c07298d3383 234 return (data[2] & 0x7F);
lucaslwl 22:5c07298d3383 235 }
lucaslwl 22:5c07298d3383 236
lucaslwl 22:5c07298d3383 237 /** Read the velocity */
lucaslwl 22:5c07298d3383 238 int velocity() {
lucaslwl 22:5c07298d3383 239 return (data[3] & 0x7F);
lucaslwl 22:5c07298d3383 240 }
lucaslwl 22:5c07298d3383 241
lucaslwl 22:5c07298d3383 242 /** Read the controller value */
lucaslwl 22:5c07298d3383 243 int value() {
lucaslwl 22:5c07298d3383 244 return (data[3] & 0x7F);
lucaslwl 22:5c07298d3383 245 }
lucaslwl 22:5c07298d3383 246
lucaslwl 22:5c07298d3383 247 /** Read the aftertouch pressure */
lucaslwl 22:5c07298d3383 248 int pressure() {
lucaslwl 22:5c07298d3383 249 if(type() == PolyphonicAftertouchType) {
lucaslwl 22:5c07298d3383 250 return (data[3] & 0x7F);
lucaslwl 22:5c07298d3383 251 } else {
lucaslwl 22:5c07298d3383 252 return (data[2] & 0x7F);
lucaslwl 22:5c07298d3383 253 }
lucaslwl 22:5c07298d3383 254 }
lucaslwl 22:5c07298d3383 255
lucaslwl 22:5c07298d3383 256 /** Read the controller number */
lucaslwl 22:5c07298d3383 257 int controller() {
lucaslwl 22:5c07298d3383 258 return (data[2] & 0x7F);
lucaslwl 22:5c07298d3383 259 }
lucaslwl 22:5c07298d3383 260
lucaslwl 22:5c07298d3383 261 /** Read the program number */
lucaslwl 22:5c07298d3383 262 int program() {
lucaslwl 22:5c07298d3383 263 return (data[2] & 0x7F);
lucaslwl 22:5c07298d3383 264 }
lucaslwl 22:5c07298d3383 265
lucaslwl 22:5c07298d3383 266 /** Read the pitch value */
lucaslwl 22:5c07298d3383 267 int pitch() {
lucaslwl 22:5c07298d3383 268 int p = ((data[3] & 0x7F) << 7) | (data[2] & 0x7F);
lucaslwl 22:5c07298d3383 269 return p - 8192; // 0 - 16383, 8192 is center
lucaslwl 22:5c07298d3383 270 }
lucaslwl 22:5c07298d3383 271
lucaslwl 22:5c07298d3383 272 uint8_t data[MAX_MIDI_MESSAGE_SIZE+1];
lucaslwl 22:5c07298d3383 273 uint8_t length;
lucaslwl 22:5c07298d3383 274 };
lucaslwl 22:5c07298d3383 275
lucaslwl 22:5c07298d3383 276 #endif