joey shelton / LED_Demo2

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Dependencies:   MAX44000 PWM_Tone_Library nexpaq_mdk

Fork of LED_Demo by joey shelton

mbd_os/libraries/USBHost/USBHostMIDI/USBHostMIDI.cpp@1:55a6170b404f, 2016-09-17 (annotated)

Committer:
nexpaq
Date:
Sat Sep 17 16:32:05 2016 +0000
Revision:
1:55a6170b404f
checking in for sharing

Who changed what in which revision?

UserRevisionLine numberNew contents of line
nexpaq 1:55a6170b404f 1 /* Copyright (c) 2014 mbed.org, MIT License
nexpaq 1:55a6170b404f 2 *
nexpaq 1:55a6170b404f 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
nexpaq 1:55a6170b404f 4 * and associated documentation files (the "Software"), to deal in the Software without
nexpaq 1:55a6170b404f 5 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
nexpaq 1:55a6170b404f 6 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
nexpaq 1:55a6170b404f 7 * Software is furnished to do so, subject to the following conditions:
nexpaq 1:55a6170b404f 8 *
nexpaq 1:55a6170b404f 9 * The above copyright notice and this permission notice shall be included in all copies or
nexpaq 1:55a6170b404f 10 * substantial portions of the Software.
nexpaq 1:55a6170b404f 11 *
nexpaq 1:55a6170b404f 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
nexpaq 1:55a6170b404f 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
nexpaq 1:55a6170b404f 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
nexpaq 1:55a6170b404f 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
nexpaq 1:55a6170b404f 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
nexpaq 1:55a6170b404f 17 */
nexpaq 1:55a6170b404f 18
nexpaq 1:55a6170b404f 19 #include "USBHostMIDI.h"
nexpaq 1:55a6170b404f 20
nexpaq 1:55a6170b404f 21 #if USBHOST_MIDI
nexpaq 1:55a6170b404f 22
nexpaq 1:55a6170b404f 23 #include "dbg.h"
nexpaq 1:55a6170b404f 24
nexpaq 1:55a6170b404f 25 #define SET_LINE_CODING 0x20
nexpaq 1:55a6170b404f 26
nexpaq 1:55a6170b404f 27 USBHostMIDI::USBHostMIDI() {
nexpaq 1:55a6170b404f 28 host = USBHost::getHostInst();
nexpaq 1:55a6170b404f 29 size_bulk_in = 0;
nexpaq 1:55a6170b404f 30 size_bulk_out = 0;
nexpaq 1:55a6170b404f 31 init();
nexpaq 1:55a6170b404f 32 }
nexpaq 1:55a6170b404f 33
nexpaq 1:55a6170b404f 34 void USBHostMIDI::init() {
nexpaq 1:55a6170b404f 35 dev = NULL;
nexpaq 1:55a6170b404f 36 bulk_in = NULL;
nexpaq 1:55a6170b404f 37 bulk_out = NULL;
nexpaq 1:55a6170b404f 38 dev_connected = false;
nexpaq 1:55a6170b404f 39 midi_intf = -1;
nexpaq 1:55a6170b404f 40 midi_device_found = false;
nexpaq 1:55a6170b404f 41 sysExBufferPos = 0;
nexpaq 1:55a6170b404f 42 }
nexpaq 1:55a6170b404f 43
nexpaq 1:55a6170b404f 44 bool USBHostMIDI::connected() {
nexpaq 1:55a6170b404f 45 return dev_connected;
nexpaq 1:55a6170b404f 46 }
nexpaq 1:55a6170b404f 47
nexpaq 1:55a6170b404f 48 bool USBHostMIDI::connect() {
nexpaq 1:55a6170b404f 49 if (dev_connected) {
nexpaq 1:55a6170b404f 50 return true;
nexpaq 1:55a6170b404f 51 }
nexpaq 1:55a6170b404f 52
nexpaq 1:55a6170b404f 53 for (uint8_t i = 0; i < MAX_DEVICE_CONNECTED; i++) {
nexpaq 1:55a6170b404f 54 if ((dev = host->getDevice(i)) != NULL) {
nexpaq 1:55a6170b404f 55
nexpaq 1:55a6170b404f 56 USB_DBG("Trying to connect MIDI device\r\n");
nexpaq 1:55a6170b404f 57
nexpaq 1:55a6170b404f 58 if (host->enumerate(dev, this)) {
nexpaq 1:55a6170b404f 59 break;
nexpaq 1:55a6170b404f 60 }
nexpaq 1:55a6170b404f 61
nexpaq 1:55a6170b404f 62 if (midi_device_found) {
nexpaq 1:55a6170b404f 63 bulk_in = dev->getEndpoint(midi_intf, BULK_ENDPOINT, IN);
nexpaq 1:55a6170b404f 64 bulk_out = dev->getEndpoint(midi_intf, BULK_ENDPOINT, OUT);
nexpaq 1:55a6170b404f 65
nexpaq 1:55a6170b404f 66 if (!bulk_in || !bulk_out) {
nexpaq 1:55a6170b404f 67 break;
nexpaq 1:55a6170b404f 68 }
nexpaq 1:55a6170b404f 69
nexpaq 1:55a6170b404f 70 USB_INFO("New MIDI device: VID:%04x PID:%04x [dev: %p - intf: %d]", dev->getVid(), dev->getPid(), dev, midi_intf);
nexpaq 1:55a6170b404f 71 dev->setName("MIDI", midi_intf);
nexpaq 1:55a6170b404f 72 host->registerDriver(dev, midi_intf, this, &USBHostMIDI::init);
nexpaq 1:55a6170b404f 73
nexpaq 1:55a6170b404f 74 size_bulk_in = bulk_in->getSize();
nexpaq 1:55a6170b404f 75 size_bulk_out = bulk_out->getSize();
nexpaq 1:55a6170b404f 76
nexpaq 1:55a6170b404f 77 bulk_in->attach(this, &USBHostMIDI::rxHandler);
nexpaq 1:55a6170b404f 78
nexpaq 1:55a6170b404f 79 host->bulkRead(dev, bulk_in, buf, size_bulk_in, false);
nexpaq 1:55a6170b404f 80 dev_connected = true;
nexpaq 1:55a6170b404f 81 return true;
nexpaq 1:55a6170b404f 82 }
nexpaq 1:55a6170b404f 83 }
nexpaq 1:55a6170b404f 84 }
nexpaq 1:55a6170b404f 85
nexpaq 1:55a6170b404f 86 init();
nexpaq 1:55a6170b404f 87 return false;
nexpaq 1:55a6170b404f 88 }
nexpaq 1:55a6170b404f 89
nexpaq 1:55a6170b404f 90 void USBHostMIDI::rxHandler() {
nexpaq 1:55a6170b404f 91 uint8_t *midi;
nexpaq 1:55a6170b404f 92 if (bulk_in) {
nexpaq 1:55a6170b404f 93 int length = bulk_in->getLengthTransferred();
nexpaq 1:55a6170b404f 94 if (bulk_in->getState() == USB_TYPE_IDLE || bulk_in->getState() == USB_TYPE_FREE) {
nexpaq 1:55a6170b404f 95 // MIDI event handling
nexpaq 1:55a6170b404f 96 for (int i = 0; i < length; i += 4) {
nexpaq 1:55a6170b404f 97 if (i + 4 > length) {
nexpaq 1:55a6170b404f 98 // length shortage, ignored.
nexpaq 1:55a6170b404f 99 break;
nexpaq 1:55a6170b404f 100 }
nexpaq 1:55a6170b404f 101
nexpaq 1:55a6170b404f 102 // read each four bytes
nexpaq 1:55a6170b404f 103 midi = &buf[i];
nexpaq 1:55a6170b404f 104 // process MIDI message
nexpaq 1:55a6170b404f 105 // switch by code index number
nexpaq 1:55a6170b404f 106 switch (midi[0] & 0xf) {
nexpaq 1:55a6170b404f 107 case 0: // miscellaneous function codes
nexpaq 1:55a6170b404f 108 miscellaneousFunctionCode(midi[1], midi[2], midi[3]);
nexpaq 1:55a6170b404f 109 break;
nexpaq 1:55a6170b404f 110 case 1: // cable events
nexpaq 1:55a6170b404f 111 cableEvent(midi[1], midi[2], midi[3]);
nexpaq 1:55a6170b404f 112 break;
nexpaq 1:55a6170b404f 113 case 2: // two bytes system common messages
nexpaq 1:55a6170b404f 114 systemCommonTwoBytes(midi[1], midi[2]);
nexpaq 1:55a6170b404f 115 break;
nexpaq 1:55a6170b404f 116 case 3: // three bytes system common messages
nexpaq 1:55a6170b404f 117 systemCommonThreeBytes(midi[1], midi[2], midi[3]);
nexpaq 1:55a6170b404f 118 break;
nexpaq 1:55a6170b404f 119 case 4: // SysEx starts or continues
nexpaq 1:55a6170b404f 120 sysExBuffer[sysExBufferPos++] = midi[1];
nexpaq 1:55a6170b404f 121 if (sysExBufferPos >= 64) {
nexpaq 1:55a6170b404f 122 systemExclusive(sysExBuffer, sysExBufferPos, true);
nexpaq 1:55a6170b404f 123 sysExBufferPos = 0;
nexpaq 1:55a6170b404f 124 }
nexpaq 1:55a6170b404f 125 sysExBuffer[sysExBufferPos++] = midi[2];
nexpaq 1:55a6170b404f 126 if (sysExBufferPos >= 64) {
nexpaq 1:55a6170b404f 127 systemExclusive(sysExBuffer, sysExBufferPos, true);
nexpaq 1:55a6170b404f 128 sysExBufferPos = 0;
nexpaq 1:55a6170b404f 129 }
nexpaq 1:55a6170b404f 130 sysExBuffer[sysExBufferPos++] = midi[3];
nexpaq 1:55a6170b404f 131 // SysEx continues. don't send
nexpaq 1:55a6170b404f 132 break;
nexpaq 1:55a6170b404f 133 case 5: // SysEx ends with single byte
nexpaq 1:55a6170b404f 134 sysExBuffer[sysExBufferPos++] = midi[1];
nexpaq 1:55a6170b404f 135 systemExclusive(sysExBuffer, sysExBufferPos, false);
nexpaq 1:55a6170b404f 136 sysExBufferPos = 0;
nexpaq 1:55a6170b404f 137 break;
nexpaq 1:55a6170b404f 138 case 6: // SysEx ends with two bytes
nexpaq 1:55a6170b404f 139 sysExBuffer[sysExBufferPos++] = midi[1];
nexpaq 1:55a6170b404f 140 if (sysExBufferPos >= 64) {
nexpaq 1:55a6170b404f 141 systemExclusive(sysExBuffer, sysExBufferPos, true);
nexpaq 1:55a6170b404f 142 sysExBufferPos = 0;
nexpaq 1:55a6170b404f 143 }
nexpaq 1:55a6170b404f 144 sysExBuffer[sysExBufferPos++] = midi[2];
nexpaq 1:55a6170b404f 145 systemExclusive(sysExBuffer, sysExBufferPos, false);
nexpaq 1:55a6170b404f 146 sysExBufferPos = 0;
nexpaq 1:55a6170b404f 147 break;
nexpaq 1:55a6170b404f 148 case 7: // SysEx ends with three bytes
nexpaq 1:55a6170b404f 149 sysExBuffer[sysExBufferPos++] = midi[1];
nexpaq 1:55a6170b404f 150 if (sysExBufferPos >= 64) {
nexpaq 1:55a6170b404f 151 systemExclusive(sysExBuffer, sysExBufferPos, true);
nexpaq 1:55a6170b404f 152 sysExBufferPos = 0;
nexpaq 1:55a6170b404f 153 }
nexpaq 1:55a6170b404f 154 sysExBuffer[sysExBufferPos++] = midi[2];
nexpaq 1:55a6170b404f 155 if (sysExBufferPos >= 64) {
nexpaq 1:55a6170b404f 156 systemExclusive(sysExBuffer, sysExBufferPos, true);
nexpaq 1:55a6170b404f 157 sysExBufferPos = 0;
nexpaq 1:55a6170b404f 158 }
nexpaq 1:55a6170b404f 159 sysExBuffer[sysExBufferPos++] = midi[3];
nexpaq 1:55a6170b404f 160 systemExclusive(sysExBuffer, sysExBufferPos, false);
nexpaq 1:55a6170b404f 161 sysExBufferPos = 0;
nexpaq 1:55a6170b404f 162 break;
nexpaq 1:55a6170b404f 163 case 8:
nexpaq 1:55a6170b404f 164 noteOff(midi[1] & 0xf, midi[2], midi[3]);
nexpaq 1:55a6170b404f 165 break;
nexpaq 1:55a6170b404f 166 case 9:
nexpaq 1:55a6170b404f 167 if (midi[3]) {
nexpaq 1:55a6170b404f 168 noteOn(midi[1] & 0xf, midi[2], midi[3]);
nexpaq 1:55a6170b404f 169 } else {
nexpaq 1:55a6170b404f 170 noteOff(midi[1] & 0xf, midi[2], midi[3]);
nexpaq 1:55a6170b404f 171 }
nexpaq 1:55a6170b404f 172 break;
nexpaq 1:55a6170b404f 173 case 10:
nexpaq 1:55a6170b404f 174 polyKeyPress(midi[1] & 0xf, midi[2], midi[3]);
nexpaq 1:55a6170b404f 175 break;
nexpaq 1:55a6170b404f 176 case 11:
nexpaq 1:55a6170b404f 177 controlChange(midi[1] & 0xf, midi[2], midi[3]);
nexpaq 1:55a6170b404f 178 break;
nexpaq 1:55a6170b404f 179 case 12:
nexpaq 1:55a6170b404f 180 programChange(midi[1] & 0xf, midi[2]);
nexpaq 1:55a6170b404f 181 break;
nexpaq 1:55a6170b404f 182 case 13:
nexpaq 1:55a6170b404f 183 channelPressure(midi[1] & 0xf, midi[2]);
nexpaq 1:55a6170b404f 184 break;
nexpaq 1:55a6170b404f 185 case 14:
nexpaq 1:55a6170b404f 186 pitchBend(midi[1] & 0xf, midi[2] | (midi[3] << 7));
nexpaq 1:55a6170b404f 187 break;
nexpaq 1:55a6170b404f 188 case 15:
nexpaq 1:55a6170b404f 189 singleByte(midi[1]);
nexpaq 1:55a6170b404f 190 break;
nexpaq 1:55a6170b404f 191 }
nexpaq 1:55a6170b404f 192 }
nexpaq 1:55a6170b404f 193
nexpaq 1:55a6170b404f 194 // read another message
nexpaq 1:55a6170b404f 195 host->bulkRead(dev, bulk_in, buf, size_bulk_in, false);
nexpaq 1:55a6170b404f 196 }
nexpaq 1:55a6170b404f 197 }
nexpaq 1:55a6170b404f 198 }
nexpaq 1:55a6170b404f 199
nexpaq 1:55a6170b404f 200 bool USBHostMIDI::sendMidiBuffer(uint8_t data0, uint8_t data1, uint8_t data2, uint8_t data3) {
nexpaq 1:55a6170b404f 201 if (bulk_out) {
nexpaq 1:55a6170b404f 202 uint8_t midi[4];
nexpaq 1:55a6170b404f 203
nexpaq 1:55a6170b404f 204 midi[0] = data0;
nexpaq 1:55a6170b404f 205 midi[1] = data1;
nexpaq 1:55a6170b404f 206 midi[2] = data2;
nexpaq 1:55a6170b404f 207 midi[3] = data3;
nexpaq 1:55a6170b404f 208 if (host->bulkWrite(dev, bulk_out, (uint8_t *)midi, 4) == USB_TYPE_OK) {
nexpaq 1:55a6170b404f 209 return true;
nexpaq 1:55a6170b404f 210 }
nexpaq 1:55a6170b404f 211 }
nexpaq 1:55a6170b404f 212 return false;
nexpaq 1:55a6170b404f 213 }
nexpaq 1:55a6170b404f 214
nexpaq 1:55a6170b404f 215 bool USBHostMIDI::sendMiscellaneousFunctionCode(uint8_t data1, uint8_t data2, uint8_t data3) {
nexpaq 1:55a6170b404f 216 return sendMidiBuffer(0, data1, data2, data3);
nexpaq 1:55a6170b404f 217 }
nexpaq 1:55a6170b404f 218
nexpaq 1:55a6170b404f 219 bool USBHostMIDI::sendCableEvent(uint8_t data1, uint8_t data2, uint8_t data3) {
nexpaq 1:55a6170b404f 220 return sendMidiBuffer(1, data1, data2, data3);
nexpaq 1:55a6170b404f 221 }
nexpaq 1:55a6170b404f 222
nexpaq 1:55a6170b404f 223 bool USBHostMIDI::sendSystemCommmonTwoBytes(uint8_t data1, uint8_t data2) {
nexpaq 1:55a6170b404f 224 return sendMidiBuffer(2, data1, data2, 0);
nexpaq 1:55a6170b404f 225 }
nexpaq 1:55a6170b404f 226
nexpaq 1:55a6170b404f 227 bool USBHostMIDI::sendSystemCommmonThreeBytes(uint8_t data1, uint8_t data2, uint8_t data3) {
nexpaq 1:55a6170b404f 228 return sendMidiBuffer(3, data1, data2, 0);
nexpaq 1:55a6170b404f 229 }
nexpaq 1:55a6170b404f 230
nexpaq 1:55a6170b404f 231 bool USBHostMIDI::sendSystemExclusive(uint8_t *buffer, int length) {
nexpaq 1:55a6170b404f 232 uint8_t midi[64];
nexpaq 1:55a6170b404f 233 int midiLength;
nexpaq 1:55a6170b404f 234 int midiPos;
nexpaq 1:55a6170b404f 235 if (bulk_out) {
nexpaq 1:55a6170b404f 236 for (int i = 0; i < length; i += 48) {
nexpaq 1:55a6170b404f 237 if (i + 48 >= length) {
nexpaq 1:55a6170b404f 238 // contains last data
nexpaq 1:55a6170b404f 239 midiLength = (((length - i) + 2) / 3) * 4;
nexpaq 1:55a6170b404f 240 for (int pos = i; pos < length; pos += 3) {
nexpaq 1:55a6170b404f 241 midiPos = (pos + 2) / 3 * 4;
nexpaq 1:55a6170b404f 242 if (pos + 3 >= length) {
nexpaq 1:55a6170b404f 243 // last data
nexpaq 1:55a6170b404f 244 switch (pos % 3) {
nexpaq 1:55a6170b404f 245 case 0:
nexpaq 1:55a6170b404f 246 midi[midiPos ] = 7;
nexpaq 1:55a6170b404f 247 midi[midiPos + 1] = buffer[pos ];
nexpaq 1:55a6170b404f 248 midi[midiPos + 2] = buffer[pos + 1];
nexpaq 1:55a6170b404f 249 midi[midiPos + 3] = buffer[pos + 2];
nexpaq 1:55a6170b404f 250 break;
nexpaq 1:55a6170b404f 251 case 1:
nexpaq 1:55a6170b404f 252 midi[midiPos ] = 5;
nexpaq 1:55a6170b404f 253 midi[midiPos + 1] = buffer[pos ];
nexpaq 1:55a6170b404f 254 midi[midiPos + 2] = 0;
nexpaq 1:55a6170b404f 255 midi[midiPos + 3] = 0;
nexpaq 1:55a6170b404f 256 break;
nexpaq 1:55a6170b404f 257 case 2:
nexpaq 1:55a6170b404f 258 midi[midiPos ] = 6;
nexpaq 1:55a6170b404f 259 midi[midiPos + 1] = buffer[pos ];
nexpaq 1:55a6170b404f 260 midi[midiPos + 2] = buffer[pos + 1];
nexpaq 1:55a6170b404f 261 midi[midiPos + 3] = 0;
nexpaq 1:55a6170b404f 262 break;
nexpaq 1:55a6170b404f 263 }
nexpaq 1:55a6170b404f 264 } else {
nexpaq 1:55a6170b404f 265 // has more data
nexpaq 1:55a6170b404f 266 midi[midiPos ] = 4;
nexpaq 1:55a6170b404f 267 midi[midiPos + 1] = buffer[pos ];
nexpaq 1:55a6170b404f 268 midi[midiPos + 2] = buffer[pos + 1];
nexpaq 1:55a6170b404f 269 midi[midiPos + 3] = buffer[pos + 2];
nexpaq 1:55a6170b404f 270 }
nexpaq 1:55a6170b404f 271 }
nexpaq 1:55a6170b404f 272 } else {
nexpaq 1:55a6170b404f 273 // has more data
nexpaq 1:55a6170b404f 274 midiLength = 64;
nexpaq 1:55a6170b404f 275 for (int pos = i; pos < length; pos += 3) {
nexpaq 1:55a6170b404f 276 midiPos = (pos + 2) / 3 * 4;
nexpaq 1:55a6170b404f 277 midi[midiPos ] = 4;
nexpaq 1:55a6170b404f 278 midi[midiPos + 1] = buffer[pos ];
nexpaq 1:55a6170b404f 279 midi[midiPos + 2] = buffer[pos + 1];
nexpaq 1:55a6170b404f 280 midi[midiPos + 3] = buffer[pos + 2];
nexpaq 1:55a6170b404f 281 }
nexpaq 1:55a6170b404f 282 }
nexpaq 1:55a6170b404f 283
nexpaq 1:55a6170b404f 284 if (host->bulkWrite(dev, bulk_out, (uint8_t *)midi, midiLength) != USB_TYPE_OK) {
nexpaq 1:55a6170b404f 285 return false;
nexpaq 1:55a6170b404f 286 }
nexpaq 1:55a6170b404f 287 }
nexpaq 1:55a6170b404f 288 return true;
nexpaq 1:55a6170b404f 289 }
nexpaq 1:55a6170b404f 290 return false;
nexpaq 1:55a6170b404f 291 }
nexpaq 1:55a6170b404f 292
nexpaq 1:55a6170b404f 293 bool USBHostMIDI::sendNoteOff(uint8_t channel, uint8_t note, uint8_t velocity) {
nexpaq 1:55a6170b404f 294 return sendMidiBuffer(8, channel & 0xf | 0x80, note & 0x7f, velocity & 0x7f);
nexpaq 1:55a6170b404f 295 }
nexpaq 1:55a6170b404f 296
nexpaq 1:55a6170b404f 297 bool USBHostMIDI::sendNoteOn(uint8_t channel, uint8_t note, uint8_t velocity) {
nexpaq 1:55a6170b404f 298 return sendMidiBuffer(9, channel & 0xf | 0x90, note & 0x7f, velocity & 0x7f);
nexpaq 1:55a6170b404f 299 }
nexpaq 1:55a6170b404f 300
nexpaq 1:55a6170b404f 301 bool USBHostMIDI::sendPolyKeyPress(uint8_t channel, uint8_t note, uint8_t pressure) {
nexpaq 1:55a6170b404f 302 return sendMidiBuffer(10, channel & 0xf | 0xa0, note & 0x7f, pressure & 0x7f);
nexpaq 1:55a6170b404f 303 }
nexpaq 1:55a6170b404f 304
nexpaq 1:55a6170b404f 305 bool USBHostMIDI::sendControlChange(uint8_t channel, uint8_t key, uint8_t value) {
nexpaq 1:55a6170b404f 306 return sendMidiBuffer(11, channel & 0xf | 0xb0, key & 0x7f, value & 0x7f);
nexpaq 1:55a6170b404f 307 }
nexpaq 1:55a6170b404f 308
nexpaq 1:55a6170b404f 309 bool USBHostMIDI::sendProgramChange(uint8_t channel, uint8_t program) {
nexpaq 1:55a6170b404f 310 return sendMidiBuffer(12, channel & 0xf | 0xc0, program & 0x7f, 0);
nexpaq 1:55a6170b404f 311 }
nexpaq 1:55a6170b404f 312
nexpaq 1:55a6170b404f 313 bool USBHostMIDI::sendChannelPressure(uint8_t channel, uint8_t pressure) {
nexpaq 1:55a6170b404f 314 return sendMidiBuffer(13, channel & 0xf | 0xd0, pressure & 0x7f, 0);
nexpaq 1:55a6170b404f 315 }
nexpaq 1:55a6170b404f 316
nexpaq 1:55a6170b404f 317 bool USBHostMIDI::sendPitchBend(uint8_t channel, uint16_t value) {
nexpaq 1:55a6170b404f 318 return sendMidiBuffer(14, channel & 0xf | 0xe0, value & 0x7f, (value >> 7) & 0x7f);
nexpaq 1:55a6170b404f 319 }
nexpaq 1:55a6170b404f 320
nexpaq 1:55a6170b404f 321 bool USBHostMIDI::sendSingleByte(uint8_t data) {
nexpaq 1:55a6170b404f 322 return sendMidiBuffer(15, data, 0, 0);
nexpaq 1:55a6170b404f 323 }
nexpaq 1:55a6170b404f 324
nexpaq 1:55a6170b404f 325 /*virtual*/ void USBHostMIDI::setVidPid(uint16_t vid, uint16_t pid)
nexpaq 1:55a6170b404f 326 {
nexpaq 1:55a6170b404f 327 // we don't check VID/PID for this driver
nexpaq 1:55a6170b404f 328 }
nexpaq 1:55a6170b404f 329
nexpaq 1:55a6170b404f 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
nexpaq 1:55a6170b404f 331 {
nexpaq 1:55a6170b404f 332 // USB MIDI class/subclass
nexpaq 1:55a6170b404f 333 if ((midi_intf == -1) &&
nexpaq 1:55a6170b404f 334 (intf_class == AUDIO_CLASS) &&
nexpaq 1:55a6170b404f 335 (intf_subclass == 0x03)) {
nexpaq 1:55a6170b404f 336 midi_intf = intf_nb;
nexpaq 1:55a6170b404f 337 return true;
nexpaq 1:55a6170b404f 338 }
nexpaq 1:55a6170b404f 339
nexpaq 1:55a6170b404f 340 // vendor specific device
nexpaq 1:55a6170b404f 341 if ((midi_intf == -1) &&
nexpaq 1:55a6170b404f 342 (intf_class == 0xff) &&
nexpaq 1:55a6170b404f 343 (intf_subclass == 0x03)) {
nexpaq 1:55a6170b404f 344 midi_intf = intf_nb;
nexpaq 1:55a6170b404f 345 return true;
nexpaq 1:55a6170b404f 346 }
nexpaq 1:55a6170b404f 347
nexpaq 1:55a6170b404f 348 return false;
nexpaq 1:55a6170b404f 349 }
nexpaq 1:55a6170b404f 350
nexpaq 1:55a6170b404f 351 /*virtual*/ bool USBHostMIDI::useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir) //Must return true if the endpoint will be used
nexpaq 1:55a6170b404f 352 {
nexpaq 1:55a6170b404f 353 if (intf_nb == midi_intf) {
nexpaq 1:55a6170b404f 354 if (type == BULK_ENDPOINT) {
nexpaq 1:55a6170b404f 355 midi_device_found = true;
nexpaq 1:55a6170b404f 356 return true;
nexpaq 1:55a6170b404f 357 }
nexpaq 1:55a6170b404f 358 }
nexpaq 1:55a6170b404f 359 return false;
nexpaq 1:55a6170b404f 360 }
nexpaq 1:55a6170b404f 361
nexpaq 1:55a6170b404f 362 #endif