Yoshiro Iwasaki Iwasaki / USBHost

USBHost library

Dependencies:   FATFileSystem mbed-rtos

Fork of USBHost by mbed official

USBHostMIDI/USBHostMIDI.cpp@25:45dcbf2ba11d, 2014-07-11 (annotated)

Committer:
mbed_official
Date:
Fri Jul 11 10:00:48 2014 +0100
Revision:
25:45dcbf2ba11d
Synchronized with git revision bbf5cbc71510e72033aaacbd76c3f127b70f08b6



Full URL: https://github.com/mbedmicro/mbed/commit/bbf5cbc71510e72033aaacbd76c3f127b70f08b6/



[K20D50M] K20D5M -> K20D50M

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 25:45dcbf2ba11d 1 /* Copyright (c) 2014 mbed.org, MIT License
mbed_official 25:45dcbf2ba11d 2 *
mbed_official 25:45dcbf2ba11d 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
mbed_official 25:45dcbf2ba11d 4 * and associated documentation files (the "Software"), to deal in the Software without
mbed_official 25:45dcbf2ba11d 5 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
mbed_official 25:45dcbf2ba11d 6 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
mbed_official 25:45dcbf2ba11d 7 * Software is furnished to do so, subject to the following conditions:
mbed_official 25:45dcbf2ba11d 8 *
mbed_official 25:45dcbf2ba11d 9 * The above copyright notice and this permission notice shall be included in all copies or
mbed_official 25:45dcbf2ba11d 10 * substantial portions of the Software.
mbed_official 25:45dcbf2ba11d 11 *
mbed_official 25:45dcbf2ba11d 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
mbed_official 25:45dcbf2ba11d 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
mbed_official 25:45dcbf2ba11d 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
mbed_official 25:45dcbf2ba11d 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
mbed_official 25:45dcbf2ba11d 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
mbed_official 25:45dcbf2ba11d 17 */
mbed_official 25:45dcbf2ba11d 18
mbed_official 25:45dcbf2ba11d 19 #include "USBHostMIDI.h"
mbed_official 25:45dcbf2ba11d 20
mbed_official 25:45dcbf2ba11d 21 #if USBHOST_MIDI
mbed_official 25:45dcbf2ba11d 22
mbed_official 25:45dcbf2ba11d 23 #include "dbg.h"
mbed_official 25:45dcbf2ba11d 24
mbed_official 25:45dcbf2ba11d 25 #define SET_LINE_CODING 0x20
mbed_official 25:45dcbf2ba11d 26
mbed_official 25:45dcbf2ba11d 27 USBHostMIDI::USBHostMIDI() {
mbed_official 25:45dcbf2ba11d 28 host = USBHost::getHostInst();
mbed_official 25:45dcbf2ba11d 29 size_bulk_in = 0;
mbed_official 25:45dcbf2ba11d 30 size_bulk_out = 0;
mbed_official 25:45dcbf2ba11d 31 init();
mbed_official 25:45dcbf2ba11d 32 }
mbed_official 25:45dcbf2ba11d 33
mbed_official 25:45dcbf2ba11d 34 void USBHostMIDI::init() {
mbed_official 25:45dcbf2ba11d 35 dev = NULL;
mbed_official 25:45dcbf2ba11d 36 bulk_in = NULL;
mbed_official 25:45dcbf2ba11d 37 bulk_out = NULL;
mbed_official 25:45dcbf2ba11d 38 dev_connected = false;
mbed_official 25:45dcbf2ba11d 39 midi_intf = -1;
mbed_official 25:45dcbf2ba11d 40 midi_device_found = false;
mbed_official 25:45dcbf2ba11d 41 sysExBufferPos = 0;
mbed_official 25:45dcbf2ba11d 42 }
mbed_official 25:45dcbf2ba11d 43
mbed_official 25:45dcbf2ba11d 44 bool USBHostMIDI::connected() {
mbed_official 25:45dcbf2ba11d 45 return dev_connected;
mbed_official 25:45dcbf2ba11d 46 }
mbed_official 25:45dcbf2ba11d 47
mbed_official 25:45dcbf2ba11d 48 bool USBHostMIDI::connect() {
mbed_official 25:45dcbf2ba11d 49 if (dev_connected) {
mbed_official 25:45dcbf2ba11d 50 return true;
mbed_official 25:45dcbf2ba11d 51 }
mbed_official 25:45dcbf2ba11d 52
mbed_official 25:45dcbf2ba11d 53 for (uint8_t i = 0; i < MAX_DEVICE_CONNECTED; i++) {
mbed_official 25:45dcbf2ba11d 54 if ((dev = host->getDevice(i)) != NULL) {
mbed_official 25:45dcbf2ba11d 55
mbed_official 25:45dcbf2ba11d 56 USB_DBG("Trying to connect MIDI device\r\n");
mbed_official 25:45dcbf2ba11d 57
mbed_official 25:45dcbf2ba11d 58 if (host->enumerate(dev, this)) {
mbed_official 25:45dcbf2ba11d 59 break;
mbed_official 25:45dcbf2ba11d 60 }
mbed_official 25:45dcbf2ba11d 61
mbed_official 25:45dcbf2ba11d 62 if (midi_device_found) {
mbed_official 25:45dcbf2ba11d 63 bulk_in = dev->getEndpoint(midi_intf, BULK_ENDPOINT, IN);
mbed_official 25:45dcbf2ba11d 64 bulk_out = dev->getEndpoint(midi_intf, BULK_ENDPOINT, OUT);
mbed_official 25:45dcbf2ba11d 65
mbed_official 25:45dcbf2ba11d 66 if (!bulk_in || !bulk_out) {
mbed_official 25:45dcbf2ba11d 67 break;
mbed_official 25:45dcbf2ba11d 68 }
mbed_official 25:45dcbf2ba11d 69
mbed_official 25:45dcbf2ba11d 70 USB_INFO("New MIDI device: VID:%04x PID:%04x [dev: %p - intf: %d]", dev->getVid(), dev->getPid(), dev, midi_intf);
mbed_official 25:45dcbf2ba11d 71 dev->setName("MIDI", midi_intf);
mbed_official 25:45dcbf2ba11d 72 host->registerDriver(dev, midi_intf, this, &USBHostMIDI::init);
mbed_official 25:45dcbf2ba11d 73
mbed_official 25:45dcbf2ba11d 74 size_bulk_in = bulk_in->getSize();
mbed_official 25:45dcbf2ba11d 75 size_bulk_out = bulk_out->getSize();
mbed_official 25:45dcbf2ba11d 76
mbed_official 25:45dcbf2ba11d 77 bulk_in->attach(this, &USBHostMIDI::rxHandler);
mbed_official 25:45dcbf2ba11d 78
mbed_official 25:45dcbf2ba11d 79 host->bulkRead(dev, bulk_in, buf, size_bulk_in, false);
mbed_official 25:45dcbf2ba11d 80 dev_connected = true;
mbed_official 25:45dcbf2ba11d 81 return true;
mbed_official 25:45dcbf2ba11d 82 }
mbed_official 25:45dcbf2ba11d 83 }
mbed_official 25:45dcbf2ba11d 84 }
mbed_official 25:45dcbf2ba11d 85
mbed_official 25:45dcbf2ba11d 86 init();
mbed_official 25:45dcbf2ba11d 87 return false;
mbed_official 25:45dcbf2ba11d 88 }
mbed_official 25:45dcbf2ba11d 89
mbed_official 25:45dcbf2ba11d 90 void USBHostMIDI::rxHandler() {
mbed_official 25:45dcbf2ba11d 91 uint8_t *midi;
mbed_official 25:45dcbf2ba11d 92 if (bulk_in) {
mbed_official 25:45dcbf2ba11d 93 int length = bulk_in->getLengthTransferred();
mbed_official 25:45dcbf2ba11d 94 if (bulk_in->getState() == USB_TYPE_IDLE || bulk_in->getState() == USB_TYPE_FREE) {
mbed_official 25:45dcbf2ba11d 95 // MIDI event handling
mbed_official 25:45dcbf2ba11d 96 for (int i = 0; i < length; i += 4) {
mbed_official 25:45dcbf2ba11d 97 if (i + 4 > length) {
mbed_official 25:45dcbf2ba11d 98 // length shortage, ignored.
mbed_official 25:45dcbf2ba11d 99 break;
mbed_official 25:45dcbf2ba11d 100 }
mbed_official 25:45dcbf2ba11d 101
mbed_official 25:45dcbf2ba11d 102 // read each four bytes
mbed_official 25:45dcbf2ba11d 103 midi = &buf[i];
mbed_official 25:45dcbf2ba11d 104 // process MIDI message
mbed_official 25:45dcbf2ba11d 105 // switch by code index number
mbed_official 25:45dcbf2ba11d 106 switch (midi[0] & 0xf) {
mbed_official 25:45dcbf2ba11d 107 case 0: // miscellaneous function codes
mbed_official 25:45dcbf2ba11d 108 miscellaneousFunctionCode(midi[1], midi[2], midi[3]);
mbed_official 25:45dcbf2ba11d 109 break;
mbed_official 25:45dcbf2ba11d 110 case 1: // cable events
mbed_official 25:45dcbf2ba11d 111 cableEvent(midi[1], midi[2], midi[3]);
mbed_official 25:45dcbf2ba11d 112 break;
mbed_official 25:45dcbf2ba11d 113 case 2: // two bytes system common messages
mbed_official 25:45dcbf2ba11d 114 systemCommonTwoBytes(midi[1], midi[2]);
mbed_official 25:45dcbf2ba11d 115 break;
mbed_official 25:45dcbf2ba11d 116 case 3: // three bytes system common messages
mbed_official 25:45dcbf2ba11d 117 systemCommonThreeBytes(midi[1], midi[2], midi[3]);
mbed_official 25:45dcbf2ba11d 118 break;
mbed_official 25:45dcbf2ba11d 119 case 4: // SysEx starts or continues
mbed_official 25:45dcbf2ba11d 120 sysExBuffer[sysExBufferPos++] = midi[1];
mbed_official 25:45dcbf2ba11d 121 if (sysExBufferPos >= 64) {
mbed_official 25:45dcbf2ba11d 122 systemExclusive(sysExBuffer, sysExBufferPos, true);
mbed_official 25:45dcbf2ba11d 123 sysExBufferPos = 0;
mbed_official 25:45dcbf2ba11d 124 }
mbed_official 25:45dcbf2ba11d 125 sysExBuffer[sysExBufferPos++] = midi[2];
mbed_official 25:45dcbf2ba11d 126 if (sysExBufferPos >= 64) {
mbed_official 25:45dcbf2ba11d 127 systemExclusive(sysExBuffer, sysExBufferPos, true);
mbed_official 25:45dcbf2ba11d 128 sysExBufferPos = 0;
mbed_official 25:45dcbf2ba11d 129 }
mbed_official 25:45dcbf2ba11d 130 sysExBuffer[sysExBufferPos++] = midi[3];
mbed_official 25:45dcbf2ba11d 131 // SysEx continues. don't send
mbed_official 25:45dcbf2ba11d 132 break;
mbed_official 25:45dcbf2ba11d 133 case 5: // SysEx ends with single byte
mbed_official 25:45dcbf2ba11d 134 sysExBuffer[sysExBufferPos++] = midi[1];
mbed_official 25:45dcbf2ba11d 135 systemExclusive(sysExBuffer, sysExBufferPos, false);
mbed_official 25:45dcbf2ba11d 136 sysExBufferPos = 0;
mbed_official 25:45dcbf2ba11d 137 break;
mbed_official 25:45dcbf2ba11d 138 case 6: // SysEx ends with two bytes
mbed_official 25:45dcbf2ba11d 139 sysExBuffer[sysExBufferPos++] = midi[1];
mbed_official 25:45dcbf2ba11d 140 if (sysExBufferPos >= 64) {
mbed_official 25:45dcbf2ba11d 141 systemExclusive(sysExBuffer, sysExBufferPos, true);
mbed_official 25:45dcbf2ba11d 142 sysExBufferPos = 0;
mbed_official 25:45dcbf2ba11d 143 }
mbed_official 25:45dcbf2ba11d 144 sysExBuffer[sysExBufferPos++] = midi[2];
mbed_official 25:45dcbf2ba11d 145 systemExclusive(sysExBuffer, sysExBufferPos, false);
mbed_official 25:45dcbf2ba11d 146 sysExBufferPos = 0;
mbed_official 25:45dcbf2ba11d 147 break;
mbed_official 25:45dcbf2ba11d 148 case 7: // SysEx ends with three bytes
mbed_official 25:45dcbf2ba11d 149 sysExBuffer[sysExBufferPos++] = midi[1];
mbed_official 25:45dcbf2ba11d 150 if (sysExBufferPos >= 64) {
mbed_official 25:45dcbf2ba11d 151 systemExclusive(sysExBuffer, sysExBufferPos, true);
mbed_official 25:45dcbf2ba11d 152 sysExBufferPos = 0;
mbed_official 25:45dcbf2ba11d 153 }
mbed_official 25:45dcbf2ba11d 154 sysExBuffer[sysExBufferPos++] = midi[2];
mbed_official 25:45dcbf2ba11d 155 if (sysExBufferPos >= 64) {
mbed_official 25:45dcbf2ba11d 156 systemExclusive(sysExBuffer, sysExBufferPos, true);
mbed_official 25:45dcbf2ba11d 157 sysExBufferPos = 0;
mbed_official 25:45dcbf2ba11d 158 }
mbed_official 25:45dcbf2ba11d 159 sysExBuffer[sysExBufferPos++] = midi[3];
mbed_official 25:45dcbf2ba11d 160 systemExclusive(sysExBuffer, sysExBufferPos, false);
mbed_official 25:45dcbf2ba11d 161 sysExBufferPos = 0;
mbed_official 25:45dcbf2ba11d 162 break;
mbed_official 25:45dcbf2ba11d 163 case 8:
mbed_official 25:45dcbf2ba11d 164 noteOff(midi[1] & 0xf, midi[2], midi[3]);
mbed_official 25:45dcbf2ba11d 165 break;
mbed_official 25:45dcbf2ba11d 166 case 9:
mbed_official 25:45dcbf2ba11d 167 if (midi[3]) {
mbed_official 25:45dcbf2ba11d 168 noteOn(midi[1] & 0xf, midi[2], midi[3]);
mbed_official 25:45dcbf2ba11d 169 } else {
mbed_official 25:45dcbf2ba11d 170 noteOff(midi[1] & 0xf, midi[2], midi[3]);
mbed_official 25:45dcbf2ba11d 171 }
mbed_official 25:45dcbf2ba11d 172 break;
mbed_official 25:45dcbf2ba11d 173 case 10:
mbed_official 25:45dcbf2ba11d 174 polyKeyPress(midi[1] & 0xf, midi[2], midi[3]);
mbed_official 25:45dcbf2ba11d 175 break;
mbed_official 25:45dcbf2ba11d 176 case 11:
mbed_official 25:45dcbf2ba11d 177 controlChange(midi[1] & 0xf, midi[2], midi[3]);
mbed_official 25:45dcbf2ba11d 178 break;
mbed_official 25:45dcbf2ba11d 179 case 12:
mbed_official 25:45dcbf2ba11d 180 programChange(midi[1] & 0xf, midi[2]);
mbed_official 25:45dcbf2ba11d 181 break;
mbed_official 25:45dcbf2ba11d 182 case 13:
mbed_official 25:45dcbf2ba11d 183 channelPressure(midi[1] & 0xf, midi[2]);
mbed_official 25:45dcbf2ba11d 184 break;
mbed_official 25:45dcbf2ba11d 185 case 14:
mbed_official 25:45dcbf2ba11d 186 pitchBend(midi[1] & 0xf, midi[2] | (midi[3] << 7));
mbed_official 25:45dcbf2ba11d 187 break;
mbed_official 25:45dcbf2ba11d 188 case 15:
mbed_official 25:45dcbf2ba11d 189 singleByte(midi[1]);
mbed_official 25:45dcbf2ba11d 190 break;
mbed_official 25:45dcbf2ba11d 191 }
mbed_official 25:45dcbf2ba11d 192 }
mbed_official 25:45dcbf2ba11d 193
mbed_official 25:45dcbf2ba11d 194 // read another message
mbed_official 25:45dcbf2ba11d 195 host->bulkRead(dev, bulk_in, buf, size_bulk_in, false);
mbed_official 25:45dcbf2ba11d 196 }
mbed_official 25:45dcbf2ba11d 197 }
mbed_official 25:45dcbf2ba11d 198 }
mbed_official 25:45dcbf2ba11d 199
mbed_official 25:45dcbf2ba11d 200 bool USBHostMIDI::sendMidiBuffer(uint8_t data0, uint8_t data1, uint8_t data2, uint8_t data3) {
mbed_official 25:45dcbf2ba11d 201 if (bulk_out) {
mbed_official 25:45dcbf2ba11d 202 uint8_t midi[4];
mbed_official 25:45dcbf2ba11d 203
mbed_official 25:45dcbf2ba11d 204 midi[0] = data0;
mbed_official 25:45dcbf2ba11d 205 midi[1] = data1;
mbed_official 25:45dcbf2ba11d 206 midi[2] = data2;
mbed_official 25:45dcbf2ba11d 207 midi[3] = data3;
mbed_official 25:45dcbf2ba11d 208 if (host->bulkWrite(dev, bulk_out, (uint8_t *)midi, 4) == USB_TYPE_OK) {
mbed_official 25:45dcbf2ba11d 209 return true;
mbed_official 25:45dcbf2ba11d 210 }
mbed_official 25:45dcbf2ba11d 211 }
mbed_official 25:45dcbf2ba11d 212 return false;
mbed_official 25:45dcbf2ba11d 213 }
mbed_official 25:45dcbf2ba11d 214
mbed_official 25:45dcbf2ba11d 215 bool USBHostMIDI::sendMiscellaneousFunctionCode(uint8_t data1, uint8_t data2, uint8_t data3) {
mbed_official 25:45dcbf2ba11d 216 return sendMidiBuffer(0, data1, data2, data3);
mbed_official 25:45dcbf2ba11d 217 }
mbed_official 25:45dcbf2ba11d 218
mbed_official 25:45dcbf2ba11d 219 bool USBHostMIDI::sendCableEvent(uint8_t data1, uint8_t data2, uint8_t data3) {
mbed_official 25:45dcbf2ba11d 220 return sendMidiBuffer(1, data1, data2, data3);
mbed_official 25:45dcbf2ba11d 221 }
mbed_official 25:45dcbf2ba11d 222
mbed_official 25:45dcbf2ba11d 223 bool USBHostMIDI::sendSystemCommmonTwoBytes(uint8_t data1, uint8_t data2) {
mbed_official 25:45dcbf2ba11d 224 return sendMidiBuffer(2, data1, data2, 0);
mbed_official 25:45dcbf2ba11d 225 }
mbed_official 25:45dcbf2ba11d 226
mbed_official 25:45dcbf2ba11d 227 bool USBHostMIDI::sendSystemCommmonThreeBytes(uint8_t data1, uint8_t data2, uint8_t data3) {
mbed_official 25:45dcbf2ba11d 228 return sendMidiBuffer(3, data1, data2, 0);
mbed_official 25:45dcbf2ba11d 229 }
mbed_official 25:45dcbf2ba11d 230
mbed_official 25:45dcbf2ba11d 231 bool USBHostMIDI::sendSystemExclusive(uint8_t *buffer, int length) {
mbed_official 25:45dcbf2ba11d 232 uint8_t midi[64];
mbed_official 25:45dcbf2ba11d 233 int midiLength;
mbed_official 25:45dcbf2ba11d 234 int midiPos;
mbed_official 25:45dcbf2ba11d 235 if (bulk_out) {
mbed_official 25:45dcbf2ba11d 236 for (int i = 0; i < length; i += 48) {
mbed_official 25:45dcbf2ba11d 237 if (i + 48 >= length) {
mbed_official 25:45dcbf2ba11d 238 // contains last data
mbed_official 25:45dcbf2ba11d 239 midiLength = (((length - i) + 2) / 3) * 4;
mbed_official 25:45dcbf2ba11d 240 for (int pos = i; pos < length; pos += 3) {
mbed_official 25:45dcbf2ba11d 241 midiPos = (pos + 2) / 3 * 4;
mbed_official 25:45dcbf2ba11d 242 if (pos + 3 >= length) {
mbed_official 25:45dcbf2ba11d 243 // last data
mbed_official 25:45dcbf2ba11d 244 switch (pos % 3) {
mbed_official 25:45dcbf2ba11d 245 case 0:
mbed_official 25:45dcbf2ba11d 246 midi[midiPos ] = 7;
mbed_official 25:45dcbf2ba11d 247 midi[midiPos + 1] = buffer[pos ];
mbed_official 25:45dcbf2ba11d 248 midi[midiPos + 2] = buffer[pos + 1];
mbed_official 25:45dcbf2ba11d 249 midi[midiPos + 3] = buffer[pos + 2];
mbed_official 25:45dcbf2ba11d 250 break;
mbed_official 25:45dcbf2ba11d 251 case 1:
mbed_official 25:45dcbf2ba11d 252 midi[midiPos ] = 5;
mbed_official 25:45dcbf2ba11d 253 midi[midiPos + 1] = buffer[pos ];
mbed_official 25:45dcbf2ba11d 254 midi[midiPos + 2] = 0;
mbed_official 25:45dcbf2ba11d 255 midi[midiPos + 3] = 0;
mbed_official 25:45dcbf2ba11d 256 break;
mbed_official 25:45dcbf2ba11d 257 case 2:
mbed_official 25:45dcbf2ba11d 258 midi[midiPos ] = 6;
mbed_official 25:45dcbf2ba11d 259 midi[midiPos + 1] = buffer[pos ];
mbed_official 25:45dcbf2ba11d 260 midi[midiPos + 2] = buffer[pos + 1];
mbed_official 25:45dcbf2ba11d 261 midi[midiPos + 3] = 0;
mbed_official 25:45dcbf2ba11d 262 break;
mbed_official 25:45dcbf2ba11d 263 }
mbed_official 25:45dcbf2ba11d 264 } else {
mbed_official 25:45dcbf2ba11d 265 // has more data
mbed_official 25:45dcbf2ba11d 266 midi[midiPos ] = 4;
mbed_official 25:45dcbf2ba11d 267 midi[midiPos + 1] = buffer[pos ];
mbed_official 25:45dcbf2ba11d 268 midi[midiPos + 2] = buffer[pos + 1];
mbed_official 25:45dcbf2ba11d 269 midi[midiPos + 3] = buffer[pos + 2];
mbed_official 25:45dcbf2ba11d 270 }
mbed_official 25:45dcbf2ba11d 271 }
mbed_official 25:45dcbf2ba11d 272 } else {
mbed_official 25:45dcbf2ba11d 273 // has more data
mbed_official 25:45dcbf2ba11d 274 midiLength = 64;
mbed_official 25:45dcbf2ba11d 275 for (int pos = i; pos < length; pos += 3) {
mbed_official 25:45dcbf2ba11d 276 midiPos = (pos + 2) / 3 * 4;
mbed_official 25:45dcbf2ba11d 277 midi[midiPos ] = 4;
mbed_official 25:45dcbf2ba11d 278 midi[midiPos + 1] = buffer[pos ];
mbed_official 25:45dcbf2ba11d 279 midi[midiPos + 2] = buffer[pos + 1];
mbed_official 25:45dcbf2ba11d 280 midi[midiPos + 3] = buffer[pos + 2];
mbed_official 25:45dcbf2ba11d 281 }
mbed_official 25:45dcbf2ba11d 282 }
mbed_official 25:45dcbf2ba11d 283
mbed_official 25:45dcbf2ba11d 284 if (host->bulkWrite(dev, bulk_out, (uint8_t *)midi, midiLength) != USB_TYPE_OK) {
mbed_official 25:45dcbf2ba11d 285 return false;
mbed_official 25:45dcbf2ba11d 286 }
mbed_official 25:45dcbf2ba11d 287 }
mbed_official 25:45dcbf2ba11d 288 return true;
mbed_official 25:45dcbf2ba11d 289 }
mbed_official 25:45dcbf2ba11d 290 return false;
mbed_official 25:45dcbf2ba11d 291 }
mbed_official 25:45dcbf2ba11d 292
mbed_official 25:45dcbf2ba11d 293 bool USBHostMIDI::sendNoteOff(uint8_t channel, uint8_t note, uint8_t velocity) {
mbed_official 25:45dcbf2ba11d 294 return sendMidiBuffer(8, channel & 0xf | 0x80, note & 0x7f, velocity & 0x7f);
mbed_official 25:45dcbf2ba11d 295 }
mbed_official 25:45dcbf2ba11d 296
mbed_official 25:45dcbf2ba11d 297 bool USBHostMIDI::sendNoteOn(uint8_t channel, uint8_t note, uint8_t velocity) {
mbed_official 25:45dcbf2ba11d 298 return sendMidiBuffer(9, channel & 0xf | 0x90, note & 0x7f, velocity & 0x7f);
mbed_official 25:45dcbf2ba11d 299 }
mbed_official 25:45dcbf2ba11d 300
mbed_official 25:45dcbf2ba11d 301 bool USBHostMIDI::sendPolyKeyPress(uint8_t channel, uint8_t note, uint8_t pressure) {
mbed_official 25:45dcbf2ba11d 302 return sendMidiBuffer(10, channel & 0xf | 0xa0, note & 0x7f, pressure & 0x7f);
mbed_official 25:45dcbf2ba11d 303 }
mbed_official 25:45dcbf2ba11d 304
mbed_official 25:45dcbf2ba11d 305 bool USBHostMIDI::sendControlChange(uint8_t channel, uint8_t key, uint8_t value) {
mbed_official 25:45dcbf2ba11d 306 return sendMidiBuffer(11, channel & 0xf | 0xb0, key & 0x7f, value & 0x7f);
mbed_official 25:45dcbf2ba11d 307 }
mbed_official 25:45dcbf2ba11d 308
mbed_official 25:45dcbf2ba11d 309 bool USBHostMIDI::sendProgramChange(uint8_t channel, uint8_t program) {
mbed_official 25:45dcbf2ba11d 310 return sendMidiBuffer(12, channel & 0xf | 0xc0, program & 0x7f, 0);
mbed_official 25:45dcbf2ba11d 311 }
mbed_official 25:45dcbf2ba11d 312
mbed_official 25:45dcbf2ba11d 313 bool USBHostMIDI::sendChannelPressure(uint8_t channel, uint8_t pressure) {
mbed_official 25:45dcbf2ba11d 314 return sendMidiBuffer(13, channel & 0xf | 0xd0, pressure & 0x7f, 0);
mbed_official 25:45dcbf2ba11d 315 }
mbed_official 25:45dcbf2ba11d 316
mbed_official 25:45dcbf2ba11d 317 bool USBHostMIDI::sendPitchBend(uint8_t channel, uint16_t value) {
mbed_official 25:45dcbf2ba11d 318 return sendMidiBuffer(14, channel & 0xf | 0xe0, value & 0x7f, (value >> 7) & 0x7f);
mbed_official 25:45dcbf2ba11d 319 }
mbed_official 25:45dcbf2ba11d 320
mbed_official 25:45dcbf2ba11d 321 bool USBHostMIDI::sendSingleByte(uint8_t data) {
mbed_official 25:45dcbf2ba11d 322 return sendMidiBuffer(15, data, 0, 0);
mbed_official 25:45dcbf2ba11d 323 }
mbed_official 25:45dcbf2ba11d 324
mbed_official 25:45dcbf2ba11d 325 /*virtual*/ void USBHostMIDI::setVidPid(uint16_t vid, uint16_t pid)
mbed_official 25:45dcbf2ba11d 326 {
mbed_official 25:45dcbf2ba11d 327 // we don't check VID/PID for this driver
mbed_official 25:45dcbf2ba11d 328 }
mbed_official 25:45dcbf2ba11d 329
mbed_official 25:45dcbf2ba11d 330 /*virtual*/ bool USBHostMIDI::parseInterface(uint8_t intf_nb, uint8_t intf_class, uint8_t intf_subclass, uint8_t intf_protocol) //Must return true if the interface should be parsed
mbed_official 25:45dcbf2ba11d 331 {
mbed_official 25:45dcbf2ba11d 332 // USB MIDI class/subclass
mbed_official 25:45dcbf2ba11d 333 if ((midi_intf == -1) &&
mbed_official 25:45dcbf2ba11d 334 (intf_class == AUDIO_CLASS) &&
mbed_official 25:45dcbf2ba11d 335 (intf_subclass == 0x03)) {
mbed_official 25:45dcbf2ba11d 336 midi_intf = intf_nb;
mbed_official 25:45dcbf2ba11d 337 return true;
mbed_official 25:45dcbf2ba11d 338 }
mbed_official 25:45dcbf2ba11d 339
mbed_official 25:45dcbf2ba11d 340 // vendor specific device
mbed_official 25:45dcbf2ba11d 341 if ((midi_intf == -1) &&
mbed_official 25:45dcbf2ba11d 342 (intf_class == 0xff) &&
mbed_official 25:45dcbf2ba11d 343 (intf_subclass == 0x03)) {
mbed_official 25:45dcbf2ba11d 344 midi_intf = intf_nb;
mbed_official 25:45dcbf2ba11d 345 return true;
mbed_official 25:45dcbf2ba11d 346 }
mbed_official 25:45dcbf2ba11d 347
mbed_official 25:45dcbf2ba11d 348 return false;
mbed_official 25:45dcbf2ba11d 349 }
mbed_official 25:45dcbf2ba11d 350
mbed_official 25:45dcbf2ba11d 351 /*virtual*/ bool USBHostMIDI::useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir) //Must return true if the endpoint will be used
mbed_official 25:45dcbf2ba11d 352 {
mbed_official 25:45dcbf2ba11d 353 if (intf_nb == midi_intf) {
mbed_official 25:45dcbf2ba11d 354 if (type == BULK_ENDPOINT) {
mbed_official 25:45dcbf2ba11d 355 midi_device_found = true;
mbed_official 25:45dcbf2ba11d 356 return true;
mbed_official 25:45dcbf2ba11d 357 }
mbed_official 25:45dcbf2ba11d 358 }
mbed_official 25:45dcbf2ba11d 359 return false;
mbed_official 25:45dcbf2ba11d 360 }
mbed_official 25:45dcbf2ba11d 361
mbed_official 25:45dcbf2ba11d 362 #endif