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@2:27a7e7f8d399, 2011-11-11 (annotated)

Committer:
samux
Date:
Fri Nov 11 15:22:53 2011 +0000
Revision:
2:27a7e7f8d399
we have 2MB with the sdcard!!

Who changed what in which revision?

UserRevisionLine numberNew contents of line
samux 2:27a7e7f8d399 1 /* @license The MIT License
samux 2:27a7e7f8d399 2 * Copyright (c) 2011 mux, simon
samux 2:27a7e7f8d399 3 *
samux 2:27a7e7f8d399 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
samux 2:27a7e7f8d399 5 * of this software and associated documentation files (the "Software"), to deal
samux 2:27a7e7f8d399 6 * in the Software without restriction, including without limitation the rights
samux 2:27a7e7f8d399 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
samux 2:27a7e7f8d399 8 * copies of the Software, and to permit persons to whom the Software is
samux 2:27a7e7f8d399 9 * furnished to do so, subject to the following conditions:
samux 2:27a7e7f8d399 10 *
samux 2:27a7e7f8d399 11 * The above copyright notice and this permission notice shall be included in
samux 2:27a7e7f8d399 12 * all copies or substantial portions of the Software.
samux 2:27a7e7f8d399 13 *
samux 2:27a7e7f8d399 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
samux 2:27a7e7f8d399 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
samux 2:27a7e7f8d399 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
samux 2:27a7e7f8d399 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
samux 2:27a7e7f8d399 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
samux 2:27a7e7f8d399 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
samux 2:27a7e7f8d399 20 * THE SOFTWARE.
samux 2:27a7e7f8d399 21 */
samux 2:27a7e7f8d399 22
samux 2:27a7e7f8d399 23 #ifndef MIDIMESSAGE_H
samux 2:27a7e7f8d399 24 #define MIDIMESSAGE_H
samux 2:27a7e7f8d399 25
samux 2:27a7e7f8d399 26 #include "mbed.h"
samux 2:27a7e7f8d399 27
samux 2:27a7e7f8d399 28 // MIDI Message Format
samux 2:27a7e7f8d399 29 //
samux 2:27a7e7f8d399 30 // [ msg(4) | channel(4) ] [ 0 | n(7) ] [ 0 | m(7) ]
samux 2:27a7e7f8d399 31 //
samux 2:27a7e7f8d399 32 // MIDI Data Messages (Channel Specific)
samux 2:27a7e7f8d399 33 //
samux 2:27a7e7f8d399 34 // Message msg n m
samux 2:27a7e7f8d399 35 // ---------------------------------------------
samux 2:27a7e7f8d399 36 // Note Off 0x8 Key Velocity
samux 2:27a7e7f8d399 37 // Note On 0x9 Key Velocity
samux 2:27a7e7f8d399 38 // Polyphonic Aftertouch 0xA Key Pressure
samux 2:27a7e7f8d399 39 // Control Change 0xB Controller Value
samux 2:27a7e7f8d399 40 // Program Change 0xC Program -
samux 2:27a7e7f8d399 41 // Channel Aftertouch 0xD Pressure -
samux 2:27a7e7f8d399 42 // Pitch Wheel 0xE LSB MSB
samux 2:27a7e7f8d399 43
samux 2:27a7e7f8d399 44 #define CABLE_NUM (0<<4)
samux 2:27a7e7f8d399 45
samux 2:27a7e7f8d399 46 /** A MIDI message container */
samux 2:27a7e7f8d399 47 class MIDIMessage {
samux 2:27a7e7f8d399 48 public:
samux 2:27a7e7f8d399 49 MIDIMessage() {}
samux 2:27a7e7f8d399 50
samux 2:27a7e7f8d399 51 MIDIMessage(uint8_t *buf) {
samux 2:27a7e7f8d399 52 *((uint32_t *)data) = *((uint32_t *)buf);
samux 2:27a7e7f8d399 53 }
samux 2:27a7e7f8d399 54
samux 2:27a7e7f8d399 55 // create messages
samux 2:27a7e7f8d399 56
samux 2:27a7e7f8d399 57 /** Create a NoteOff message
samux 2:27a7e7f8d399 58 * @param key Key ID
samux 2:27a7e7f8d399 59 * @param velocity Key velocity (0-127, default = 127)
samux 2:27a7e7f8d399 60 * @param channel Key channel (0-15, default 0)
samux 2:27a7e7f8d399 61 * @returns A MIDIMessage
samux 2:27a7e7f8d399 62 */
samux 2:27a7e7f8d399 63 static MIDIMessage NoteOff(int key, int velocity = 127, int channel = 0) {
samux 2:27a7e7f8d399 64 MIDIMessage msg;
samux 2:27a7e7f8d399 65 msg.data[0] = CABLE_NUM | 0x08;
samux 2:27a7e7f8d399 66 msg.data[1] = 0x80 | (channel & 0x0F);
samux 2:27a7e7f8d399 67 msg.data[2] = key & 0x7F;
samux 2:27a7e7f8d399 68 msg.data[3] = velocity & 0x7F;
samux 2:27a7e7f8d399 69 return msg;
samux 2:27a7e7f8d399 70 }
samux 2:27a7e7f8d399 71
samux 2:27a7e7f8d399 72 /** Create a NoteOn message
samux 2:27a7e7f8d399 73 * @param key Key ID
samux 2:27a7e7f8d399 74 * @param velocity Key velocity (0-127, default = 127)
samux 2:27a7e7f8d399 75 * @param channel Key channel (0-15, default 0)
samux 2:27a7e7f8d399 76 * @returns A MIDIMessage
samux 2:27a7e7f8d399 77 */
samux 2:27a7e7f8d399 78 static MIDIMessage NoteOn(int key, int velocity = 127, int channel = 0) {
samux 2:27a7e7f8d399 79 MIDIMessage msg;
samux 2:27a7e7f8d399 80 msg.data[0] = CABLE_NUM | 0x09;
samux 2:27a7e7f8d399 81 msg.data[1] = 0x90 | (channel & 0x0F);
samux 2:27a7e7f8d399 82 msg.data[2] = key & 0x7F;
samux 2:27a7e7f8d399 83 msg.data[3] = velocity & 0x7F;
samux 2:27a7e7f8d399 84 return msg;
samux 2:27a7e7f8d399 85 }
samux 2:27a7e7f8d399 86
samux 2:27a7e7f8d399 87 /** Create a PolyPhonic Aftertouch message
samux 2:27a7e7f8d399 88 * @param key Key ID
samux 2:27a7e7f8d399 89 * @param pressure Aftertouch pressure (0-127)
samux 2:27a7e7f8d399 90 * @param channel Key channel (0-15, default 0)
samux 2:27a7e7f8d399 91 * @returns A MIDIMessage
samux 2:27a7e7f8d399 92 */
samux 2:27a7e7f8d399 93 static MIDIMessage PolyphonicAftertouch(int key, int pressure, int channel = 0) {
samux 2:27a7e7f8d399 94 MIDIMessage msg;
samux 2:27a7e7f8d399 95 msg.data[0] = CABLE_NUM | 0x0A;
samux 2:27a7e7f8d399 96 msg.data[1] = 0xA0 | (channel & 0x0F);
samux 2:27a7e7f8d399 97 msg.data[2] = key & 0x7F;
samux 2:27a7e7f8d399 98 msg.data[3] = pressure & 0x7F;
samux 2:27a7e7f8d399 99 return msg;
samux 2:27a7e7f8d399 100 }
samux 2:27a7e7f8d399 101
samux 2:27a7e7f8d399 102 /** Create a Control Change message
samux 2:27a7e7f8d399 103 * @param control Controller ID
samux 2:27a7e7f8d399 104 * @param value Controller value (0-127)
samux 2:27a7e7f8d399 105 * @param channel Controller channel (0-15, default 0)
samux 2:27a7e7f8d399 106 * @returns A MIDIMessage
samux 2:27a7e7f8d399 107 */
samux 2:27a7e7f8d399 108 static MIDIMessage ControlChange(int control, int value, int channel = 0) {
samux 2:27a7e7f8d399 109 MIDIMessage msg;
samux 2:27a7e7f8d399 110 msg.data[0] = CABLE_NUM | 0x0B;
samux 2:27a7e7f8d399 111 msg.data[1] = 0xB0 | (channel & 0x0F);
samux 2:27a7e7f8d399 112 msg.data[2] = control & 0x7F;
samux 2:27a7e7f8d399 113 msg.data[3] = value & 0x7F;
samux 2:27a7e7f8d399 114 return msg;
samux 2:27a7e7f8d399 115 }
samux 2:27a7e7f8d399 116
samux 2:27a7e7f8d399 117 /** Create a Program Change message
samux 2:27a7e7f8d399 118 * @param program Program ID
samux 2:27a7e7f8d399 119 * @param channel Channel (0-15, default 0)
samux 2:27a7e7f8d399 120 * @returns A MIDIMessage
samux 2:27a7e7f8d399 121 */
samux 2:27a7e7f8d399 122 static MIDIMessage ProgramChange(int program, int channel = 0) {
samux 2:27a7e7f8d399 123 MIDIMessage msg;
samux 2:27a7e7f8d399 124 msg.data[0] = CABLE_NUM | 0x0C;
samux 2:27a7e7f8d399 125 msg.data[1] = 0xC0 | (channel & 0x0F);
samux 2:27a7e7f8d399 126 msg.data[2] = program & 0x7F;
samux 2:27a7e7f8d399 127 msg.data[3] = 0x00;
samux 2:27a7e7f8d399 128 return msg;
samux 2:27a7e7f8d399 129 }
samux 2:27a7e7f8d399 130
samux 2:27a7e7f8d399 131 /** Create a Channel Aftertouch message
samux 2:27a7e7f8d399 132 * @param pressure Pressure
samux 2:27a7e7f8d399 133 * @param channel Key channel (0-15, default 0)
samux 2:27a7e7f8d399 134 * @returns A MIDIMessage
samux 2:27a7e7f8d399 135 */
samux 2:27a7e7f8d399 136 static MIDIMessage ChannelAftertouch(int pressure, int channel = 0) {
samux 2:27a7e7f8d399 137 MIDIMessage msg;
samux 2:27a7e7f8d399 138 msg.data[0] = CABLE_NUM | 0x0D;
samux 2:27a7e7f8d399 139 msg.data[1] = 0xD0 | (channel & 0x0F);
samux 2:27a7e7f8d399 140 msg.data[2] = pressure & 0x7F;
samux 2:27a7e7f8d399 141 msg.data[3] = 0x00;
samux 2:27a7e7f8d399 142 return msg;
samux 2:27a7e7f8d399 143 }
samux 2:27a7e7f8d399 144
samux 2:27a7e7f8d399 145 /** Create a Pitch Wheel message
samux 2:27a7e7f8d399 146 * @param pitch Pitch (-8192 - 8191, default = 0)
samux 2:27a7e7f8d399 147 * @param channel Channel (0-15, default 0)
samux 2:27a7e7f8d399 148 * @returns A MIDIMessage
samux 2:27a7e7f8d399 149 */
samux 2:27a7e7f8d399 150 static MIDIMessage PitchWheel(int pitch = 0, int channel = 0) {
samux 2:27a7e7f8d399 151 MIDIMessage msg;
samux 2:27a7e7f8d399 152 int p = pitch + 8192; // 0 - 16383, 8192 is center
samux 2:27a7e7f8d399 153 msg.data[0] = CABLE_NUM | 0x0E;
samux 2:27a7e7f8d399 154 msg.data[1] = 0xE0 | (channel & 0x0F);
samux 2:27a7e7f8d399 155 msg.data[2] = p & 0x7F;
samux 2:27a7e7f8d399 156 msg.data[3] = (p >> 7) & 0x7F;
samux 2:27a7e7f8d399 157 return msg;
samux 2:27a7e7f8d399 158 }
samux 2:27a7e7f8d399 159
samux 2:27a7e7f8d399 160 /** Create an All Notes Off message
samux 2:27a7e7f8d399 161 * @param channel Channel (0-15, default 0)
samux 2:27a7e7f8d399 162 * @returns A MIDIMessage
samux 2:27a7e7f8d399 163 */
samux 2:27a7e7f8d399 164 static MIDIMessage AllNotesOff(int channel = 0) {
samux 2:27a7e7f8d399 165 return ControlChange(123, 0, channel);
samux 2:27a7e7f8d399 166 }
samux 2:27a7e7f8d399 167
samux 2:27a7e7f8d399 168 // decode messages
samux 2:27a7e7f8d399 169
samux 2:27a7e7f8d399 170 /** MIDI Message Types */
samux 2:27a7e7f8d399 171 enum MIDIMessageType {
samux 2:27a7e7f8d399 172 ErrorType,
samux 2:27a7e7f8d399 173 NoteOffType,
samux 2:27a7e7f8d399 174 NoteOnType,
samux 2:27a7e7f8d399 175 PolyphonicAftertouchType,
samux 2:27a7e7f8d399 176 ControlChangeType,
samux 2:27a7e7f8d399 177 ProgramChangeType,
samux 2:27a7e7f8d399 178 ChannelAftertouchType,
samux 2:27a7e7f8d399 179 PitchWheelType,
samux 2:27a7e7f8d399 180 AllNotesOffType
samux 2:27a7e7f8d399 181 };
samux 2:27a7e7f8d399 182
samux 2:27a7e7f8d399 183 /** Read the message type
samux 2:27a7e7f8d399 184 * @returns MIDIMessageType
samux 2:27a7e7f8d399 185 */
samux 2:27a7e7f8d399 186 MIDIMessageType type() {
samux 2:27a7e7f8d399 187 switch((data[1] >> 4) & 0xF) {
samux 2:27a7e7f8d399 188 case 0x8: return NoteOffType;
samux 2:27a7e7f8d399 189 case 0x9: return NoteOnType;
samux 2:27a7e7f8d399 190 case 0xA: return PolyphonicAftertouchType;
samux 2:27a7e7f8d399 191 case 0xB:
samux 2:27a7e7f8d399 192 if(controller() < 120) { // standard controllers
samux 2:27a7e7f8d399 193 return ControlChangeType;
samux 2:27a7e7f8d399 194 } else if(controller() == 123) {
samux 2:27a7e7f8d399 195 return AllNotesOffType;
samux 2:27a7e7f8d399 196 } else {
samux 2:27a7e7f8d399 197 return ErrorType; // unsupported atm
samux 2:27a7e7f8d399 198 }
samux 2:27a7e7f8d399 199 case 0xC: return ProgramChangeType;
samux 2:27a7e7f8d399 200 case 0xD: return ChannelAftertouchType;
samux 2:27a7e7f8d399 201 case 0xE: return PitchWheelType;
samux 2:27a7e7f8d399 202 default: return ErrorType;
samux 2:27a7e7f8d399 203 }
samux 2:27a7e7f8d399 204 }
samux 2:27a7e7f8d399 205
samux 2:27a7e7f8d399 206 /** Read the channel number */
samux 2:27a7e7f8d399 207 int channel() {
samux 2:27a7e7f8d399 208 return (data[1] & 0x0F);
samux 2:27a7e7f8d399 209 }
samux 2:27a7e7f8d399 210
samux 2:27a7e7f8d399 211 /** Read the key ID */
samux 2:27a7e7f8d399 212 int key() {
samux 2:27a7e7f8d399 213 return (data[2] & 0x7F);
samux 2:27a7e7f8d399 214 }
samux 2:27a7e7f8d399 215
samux 2:27a7e7f8d399 216 /** Read the velocity */
samux 2:27a7e7f8d399 217 int velocity() {
samux 2:27a7e7f8d399 218 return (data[3] & 0x7F);
samux 2:27a7e7f8d399 219 }
samux 2:27a7e7f8d399 220
samux 2:27a7e7f8d399 221 /** Read the controller value */
samux 2:27a7e7f8d399 222 int value() {
samux 2:27a7e7f8d399 223 return (data[3] & 0x7F);
samux 2:27a7e7f8d399 224 }
samux 2:27a7e7f8d399 225
samux 2:27a7e7f8d399 226 /** Read the aftertouch pressure */
samux 2:27a7e7f8d399 227 int pressure() {
samux 2:27a7e7f8d399 228 if(type() == PolyphonicAftertouchType) {
samux 2:27a7e7f8d399 229 return (data[3] & 0x7F);
samux 2:27a7e7f8d399 230 } else {
samux 2:27a7e7f8d399 231 return (data[2] & 0x7F);
samux 2:27a7e7f8d399 232 }
samux 2:27a7e7f8d399 233 }
samux 2:27a7e7f8d399 234
samux 2:27a7e7f8d399 235 /** Read the controller number */
samux 2:27a7e7f8d399 236 int controller() {
samux 2:27a7e7f8d399 237 return (data[2] & 0x7F);
samux 2:27a7e7f8d399 238 }
samux 2:27a7e7f8d399 239
samux 2:27a7e7f8d399 240 /** Read the program number */
samux 2:27a7e7f8d399 241 int program() {
samux 2:27a7e7f8d399 242 return (data[2] & 0x7F);
samux 2:27a7e7f8d399 243 }
samux 2:27a7e7f8d399 244
samux 2:27a7e7f8d399 245 /** Read the pitch value */
samux 2:27a7e7f8d399 246 int pitch() {
samux 2:27a7e7f8d399 247 int p = ((data[3] & 0x7F) << 7) | (data[2] & 0x7F);
samux 2:27a7e7f8d399 248 return p - 8192; // 0 - 16383, 8192 is center
samux 2:27a7e7f8d399 249 }
samux 2:27a7e7f8d399 250
samux 2:27a7e7f8d399 251 uint8_t data[4];
samux 2:27a7e7f8d399 252 };
samux 2:27a7e7f8d399 253
samux 2:27a7e7f8d399 254 #endif