Samuel Mokrani / Mbed 2 deprecated USBMSD_SD_HelloWorld_Mbed

USBMSD SD card Hello World for Mbed platforms

Dependencies:   mbed USBMSD_SD USBDevice

USBDevice/USBMIDI/MIDIMessage.h@18:08b207d10056, 2011-12-11 (annotated)

Committer:
samux
Date:
Sun Dec 11 15:22:50 2011 +0000
Revision:
18:08b207d10056
Parent:
11:a26e7b7a1221 
all is working: rename...

Who changed what in which revision?

UserRevisionLine numberNew contents of line
samux 11:a26e7b7a1221 1 /* Copyright (c) 2010-2011 mbed.org, MIT License
samux 11:a26e7b7a1221 2 *
samux 11:a26e7b7a1221 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
samux 11:a26e7b7a1221 4 * and associated documentation files (the "Software"), to deal in the Software without
samux 11:a26e7b7a1221 5 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
samux 11:a26e7b7a1221 6 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
samux 11:a26e7b7a1221 7 * Software is furnished to do so, subject to the following conditions:
samux 11:a26e7b7a1221 8 *
samux 11:a26e7b7a1221 9 * The above copyright notice and this permission notice shall be included in all copies or
samux 11:a26e7b7a1221 10 * substantial portions of the Software.
samux 11:a26e7b7a1221 11 *
samux 11:a26e7b7a1221 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
samux 11:a26e7b7a1221 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
samux 11:a26e7b7a1221 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
samux 11:a26e7b7a1221 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
samux 11:a26e7b7a1221 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
samux 11:a26e7b7a1221 17 */
samux 11:a26e7b7a1221 18
samux 11:a26e7b7a1221 19 #ifndef MIDIMESSAGE_H
samux 11:a26e7b7a1221 20 #define MIDIMESSAGE_H
samux 11:a26e7b7a1221 21
samux 11:a26e7b7a1221 22 #include "mbed.h"
samux 11:a26e7b7a1221 23
samux 11:a26e7b7a1221 24 // MIDI Message Format
samux 11:a26e7b7a1221 25 //
samux 11:a26e7b7a1221 26 // [ msg(4) | channel(4) ] [ 0 | n(7) ] [ 0 | m(7) ]
samux 11:a26e7b7a1221 27 //
samux 11:a26e7b7a1221 28 // MIDI Data Messages (Channel Specific)
samux 11:a26e7b7a1221 29 //
samux 11:a26e7b7a1221 30 // Message msg n m
samux 11:a26e7b7a1221 31 // ---------------------------------------------
samux 11:a26e7b7a1221 32 // Note Off 0x8 Key Velocity
samux 11:a26e7b7a1221 33 // Note On 0x9 Key Velocity
samux 11:a26e7b7a1221 34 // Polyphonic Aftertouch 0xA Key Pressure
samux 11:a26e7b7a1221 35 // Control Change 0xB Controller Value
samux 11:a26e7b7a1221 36 // Program Change 0xC Program -
samux 11:a26e7b7a1221 37 // Channel Aftertouch 0xD Pressure -
samux 11:a26e7b7a1221 38 // Pitch Wheel 0xE LSB MSB
samux 11:a26e7b7a1221 39
samux 11:a26e7b7a1221 40 #define CABLE_NUM (0<<4)
samux 11:a26e7b7a1221 41
samux 11:a26e7b7a1221 42 /** A MIDI message container */
samux 11:a26e7b7a1221 43 class MIDIMessage {
samux 11:a26e7b7a1221 44 public:
samux 11:a26e7b7a1221 45 MIDIMessage() {}
samux 11:a26e7b7a1221 46
samux 11:a26e7b7a1221 47 MIDIMessage(uint8_t *buf) {
samux 11:a26e7b7a1221 48 *((uint32_t *)data) = *((uint32_t *)buf);
samux 11:a26e7b7a1221 49 }
samux 11:a26e7b7a1221 50
samux 11:a26e7b7a1221 51 // create messages
samux 11:a26e7b7a1221 52
samux 11:a26e7b7a1221 53 /** Create a NoteOff message
samux 11:a26e7b7a1221 54 * @param key Key ID
samux 11:a26e7b7a1221 55 * @param velocity Key velocity (0-127, default = 127)
samux 11:a26e7b7a1221 56 * @param channel Key channel (0-15, default 0)
samux 11:a26e7b7a1221 57 * @returns A MIDIMessage
samux 11:a26e7b7a1221 58 */
samux 11:a26e7b7a1221 59 static MIDIMessage NoteOff(int key, int velocity = 127, int channel = 0) {
samux 11:a26e7b7a1221 60 MIDIMessage msg;
samux 11:a26e7b7a1221 61 msg.data[0] = CABLE_NUM | 0x08;
samux 11:a26e7b7a1221 62 msg.data[1] = 0x80 | (channel & 0x0F);
samux 11:a26e7b7a1221 63 msg.data[2] = key & 0x7F;
samux 11:a26e7b7a1221 64 msg.data[3] = velocity & 0x7F;
samux 11:a26e7b7a1221 65 return msg;
samux 11:a26e7b7a1221 66 }
samux 11:a26e7b7a1221 67
samux 11:a26e7b7a1221 68 /** Create a NoteOn message
samux 11:a26e7b7a1221 69 * @param key Key ID
samux 11:a26e7b7a1221 70 * @param velocity Key velocity (0-127, default = 127)
samux 11:a26e7b7a1221 71 * @param channel Key channel (0-15, default 0)
samux 11:a26e7b7a1221 72 * @returns A MIDIMessage
samux 11:a26e7b7a1221 73 */
samux 11:a26e7b7a1221 74 static MIDIMessage NoteOn(int key, int velocity = 127, int channel = 0) {
samux 11:a26e7b7a1221 75 MIDIMessage msg;
samux 11:a26e7b7a1221 76 msg.data[0] = CABLE_NUM | 0x09;
samux 11:a26e7b7a1221 77 msg.data[1] = 0x90 | (channel & 0x0F);
samux 11:a26e7b7a1221 78 msg.data[2] = key & 0x7F;
samux 11:a26e7b7a1221 79 msg.data[3] = velocity & 0x7F;
samux 11:a26e7b7a1221 80 return msg;
samux 11:a26e7b7a1221 81 }
samux 11:a26e7b7a1221 82
samux 11:a26e7b7a1221 83 /** Create a PolyPhonic Aftertouch message
samux 11:a26e7b7a1221 84 * @param key Key ID
samux 11:a26e7b7a1221 85 * @param pressure Aftertouch pressure (0-127)
samux 11:a26e7b7a1221 86 * @param channel Key channel (0-15, default 0)
samux 11:a26e7b7a1221 87 * @returns A MIDIMessage
samux 11:a26e7b7a1221 88 */
samux 11:a26e7b7a1221 89 static MIDIMessage PolyphonicAftertouch(int key, int pressure, int channel = 0) {
samux 11:a26e7b7a1221 90 MIDIMessage msg;
samux 11:a26e7b7a1221 91 msg.data[0] = CABLE_NUM | 0x0A;
samux 11:a26e7b7a1221 92 msg.data[1] = 0xA0 | (channel & 0x0F);
samux 11:a26e7b7a1221 93 msg.data[2] = key & 0x7F;
samux 11:a26e7b7a1221 94 msg.data[3] = pressure & 0x7F;
samux 11:a26e7b7a1221 95 return msg;
samux 11:a26e7b7a1221 96 }
samux 11:a26e7b7a1221 97
samux 11:a26e7b7a1221 98 /** Create a Control Change message
samux 11:a26e7b7a1221 99 * @param control Controller ID
samux 11:a26e7b7a1221 100 * @param value Controller value (0-127)
samux 11:a26e7b7a1221 101 * @param channel Controller channel (0-15, default 0)
samux 11:a26e7b7a1221 102 * @returns A MIDIMessage
samux 11:a26e7b7a1221 103 */
samux 11:a26e7b7a1221 104 static MIDIMessage ControlChange(int control, int value, int channel = 0) {
samux 11:a26e7b7a1221 105 MIDIMessage msg;
samux 11:a26e7b7a1221 106 msg.data[0] = CABLE_NUM | 0x0B;
samux 11:a26e7b7a1221 107 msg.data[1] = 0xB0 | (channel & 0x0F);
samux 11:a26e7b7a1221 108 msg.data[2] = control & 0x7F;
samux 11:a26e7b7a1221 109 msg.data[3] = value & 0x7F;
samux 11:a26e7b7a1221 110 return msg;
samux 11:a26e7b7a1221 111 }
samux 11:a26e7b7a1221 112
samux 11:a26e7b7a1221 113 /** Create a Program Change message
samux 11:a26e7b7a1221 114 * @param program Program ID
samux 11:a26e7b7a1221 115 * @param channel Channel (0-15, default 0)
samux 11:a26e7b7a1221 116 * @returns A MIDIMessage
samux 11:a26e7b7a1221 117 */
samux 11:a26e7b7a1221 118 static MIDIMessage ProgramChange(int program, int channel = 0) {
samux 11:a26e7b7a1221 119 MIDIMessage msg;
samux 11:a26e7b7a1221 120 msg.data[0] = CABLE_NUM | 0x0C;
samux 11:a26e7b7a1221 121 msg.data[1] = 0xC0 | (channel & 0x0F);
samux 11:a26e7b7a1221 122 msg.data[2] = program & 0x7F;
samux 11:a26e7b7a1221 123 msg.data[3] = 0x00;
samux 11:a26e7b7a1221 124 return msg;
samux 11:a26e7b7a1221 125 }
samux 11:a26e7b7a1221 126
samux 11:a26e7b7a1221 127 /** Create a Channel Aftertouch message
samux 11:a26e7b7a1221 128 * @param pressure Pressure
samux 11:a26e7b7a1221 129 * @param channel Key channel (0-15, default 0)
samux 11:a26e7b7a1221 130 * @returns A MIDIMessage
samux 11:a26e7b7a1221 131 */
samux 11:a26e7b7a1221 132 static MIDIMessage ChannelAftertouch(int pressure, int channel = 0) {
samux 11:a26e7b7a1221 133 MIDIMessage msg;
samux 11:a26e7b7a1221 134 msg.data[0] = CABLE_NUM | 0x0D;
samux 11:a26e7b7a1221 135 msg.data[1] = 0xD0 | (channel & 0x0F);
samux 11:a26e7b7a1221 136 msg.data[2] = pressure & 0x7F;
samux 11:a26e7b7a1221 137 msg.data[3] = 0x00;
samux 11:a26e7b7a1221 138 return msg;
samux 11:a26e7b7a1221 139 }
samux 11:a26e7b7a1221 140
samux 11:a26e7b7a1221 141 /** Create a Pitch Wheel message
samux 11:a26e7b7a1221 142 * @param pitch Pitch (-8192 - 8191, default = 0)
samux 11:a26e7b7a1221 143 * @param channel Channel (0-15, default 0)
samux 11:a26e7b7a1221 144 * @returns A MIDIMessage
samux 11:a26e7b7a1221 145 */
samux 11:a26e7b7a1221 146 static MIDIMessage PitchWheel(int pitch = 0, int channel = 0) {
samux 11:a26e7b7a1221 147 MIDIMessage msg;
samux 11:a26e7b7a1221 148 int p = pitch + 8192; // 0 - 16383, 8192 is center
samux 11:a26e7b7a1221 149 msg.data[0] = CABLE_NUM | 0x0E;
samux 11:a26e7b7a1221 150 msg.data[1] = 0xE0 | (channel & 0x0F);
samux 11:a26e7b7a1221 151 msg.data[2] = p & 0x7F;
samux 11:a26e7b7a1221 152 msg.data[3] = (p >> 7) & 0x7F;
samux 11:a26e7b7a1221 153 return msg;
samux 11:a26e7b7a1221 154 }
samux 11:a26e7b7a1221 155
samux 11:a26e7b7a1221 156 /** Create an All Notes Off message
samux 11:a26e7b7a1221 157 * @param channel Channel (0-15, default 0)
samux 11:a26e7b7a1221 158 * @returns A MIDIMessage
samux 11:a26e7b7a1221 159 */
samux 11:a26e7b7a1221 160 static MIDIMessage AllNotesOff(int channel = 0) {
samux 11:a26e7b7a1221 161 return ControlChange(123, 0, channel);
samux 11:a26e7b7a1221 162 }
samux 11:a26e7b7a1221 163
samux 11:a26e7b7a1221 164 // decode messages
samux 11:a26e7b7a1221 165
samux 11:a26e7b7a1221 166 /** MIDI Message Types */
samux 11:a26e7b7a1221 167 enum MIDIMessageType {
samux 11:a26e7b7a1221 168 ErrorType,
samux 11:a26e7b7a1221 169 NoteOffType,
samux 11:a26e7b7a1221 170 NoteOnType,
samux 11:a26e7b7a1221 171 PolyphonicAftertouchType,
samux 11:a26e7b7a1221 172 ControlChangeType,
samux 11:a26e7b7a1221 173 ProgramChangeType,
samux 11:a26e7b7a1221 174 ChannelAftertouchType,
samux 11:a26e7b7a1221 175 PitchWheelType,
samux 11:a26e7b7a1221 176 AllNotesOffType
samux 11:a26e7b7a1221 177 };
samux 11:a26e7b7a1221 178
samux 11:a26e7b7a1221 179 /** Read the message type
samux 11:a26e7b7a1221 180 * @returns MIDIMessageType
samux 11:a26e7b7a1221 181 */
samux 11:a26e7b7a1221 182 MIDIMessageType type() {
samux 11:a26e7b7a1221 183 switch((data[1] >> 4) & 0xF) {
samux 11:a26e7b7a1221 184 case 0x8: return NoteOffType;
samux 11:a26e7b7a1221 185 case 0x9: return NoteOnType;
samux 11:a26e7b7a1221 186 case 0xA: return PolyphonicAftertouchType;
samux 11:a26e7b7a1221 187 case 0xB:
samux 11:a26e7b7a1221 188 if(controller() < 120) { // standard controllers
samux 11:a26e7b7a1221 189 return ControlChangeType;
samux 11:a26e7b7a1221 190 } else if(controller() == 123) {
samux 11:a26e7b7a1221 191 return AllNotesOffType;
samux 11:a26e7b7a1221 192 } else {
samux 11:a26e7b7a1221 193 return ErrorType; // unsupported atm
samux 11:a26e7b7a1221 194 }
samux 11:a26e7b7a1221 195 case 0xC: return ProgramChangeType;
samux 11:a26e7b7a1221 196 case 0xD: return ChannelAftertouchType;
samux 11:a26e7b7a1221 197 case 0xE: return PitchWheelType;
samux 11:a26e7b7a1221 198 default: return ErrorType;
samux 11:a26e7b7a1221 199 }
samux 11:a26e7b7a1221 200 }
samux 11:a26e7b7a1221 201
samux 11:a26e7b7a1221 202 /** Read the channel number */
samux 11:a26e7b7a1221 203 int channel() {
samux 11:a26e7b7a1221 204 return (data[1] & 0x0F);
samux 11:a26e7b7a1221 205 }
samux 11:a26e7b7a1221 206
samux 11:a26e7b7a1221 207 /** Read the key ID */
samux 11:a26e7b7a1221 208 int key() {
samux 11:a26e7b7a1221 209 return (data[2] & 0x7F);
samux 11:a26e7b7a1221 210 }
samux 11:a26e7b7a1221 211
samux 11:a26e7b7a1221 212 /** Read the velocity */
samux 11:a26e7b7a1221 213 int velocity() {
samux 11:a26e7b7a1221 214 return (data[3] & 0x7F);
samux 11:a26e7b7a1221 215 }
samux 11:a26e7b7a1221 216
samux 11:a26e7b7a1221 217 /** Read the controller value */
samux 11:a26e7b7a1221 218 int value() {
samux 11:a26e7b7a1221 219 return (data[3] & 0x7F);
samux 11:a26e7b7a1221 220 }
samux 11:a26e7b7a1221 221
samux 11:a26e7b7a1221 222 /** Read the aftertouch pressure */
samux 11:a26e7b7a1221 223 int pressure() {
samux 11:a26e7b7a1221 224 if(type() == PolyphonicAftertouchType) {
samux 11:a26e7b7a1221 225 return (data[3] & 0x7F);
samux 11:a26e7b7a1221 226 } else {
samux 11:a26e7b7a1221 227 return (data[2] & 0x7F);
samux 11:a26e7b7a1221 228 }
samux 11:a26e7b7a1221 229 }
samux 11:a26e7b7a1221 230
samux 11:a26e7b7a1221 231 /** Read the controller number */
samux 11:a26e7b7a1221 232 int controller() {
samux 11:a26e7b7a1221 233 return (data[2] & 0x7F);
samux 11:a26e7b7a1221 234 }
samux 11:a26e7b7a1221 235
samux 11:a26e7b7a1221 236 /** Read the program number */
samux 11:a26e7b7a1221 237 int program() {
samux 11:a26e7b7a1221 238 return (data[2] & 0x7F);
samux 11:a26e7b7a1221 239 }
samux 11:a26e7b7a1221 240
samux 11:a26e7b7a1221 241 /** Read the pitch value */
samux 11:a26e7b7a1221 242 int pitch() {
samux 11:a26e7b7a1221 243 int p = ((data[3] & 0x7F) << 7) | (data[2] & 0x7F);
samux 11:a26e7b7a1221 244 return p - 8192; // 0 - 16383, 8192 is center
samux 11:a26e7b7a1221 245 }
samux 11:a26e7b7a1221 246
samux 11:a26e7b7a1221 247 uint8_t data[4];
samux 11:a26e7b7a1221 248 };
samux 11:a26e7b7a1221 249
samux 11:a26e7b7a1221 250 #endif