Takuya Urakawa / F401RE-USBHost

My Fork of F401RE-USBHost. Add USBHostMIDI functions (originaled by Kaoru Shoji http://mbed.org/users/kshoji/code/USBHostMIDI/)

Dependencies:   FATFileSystem

Dependents:   F401RE-USBHostMIDI_RecieveExample

Fork of F401RE-USBHost by Norimasa Okamoto

USBHostMIDI/USBHostMIDI.cpp@24:5281ea9f6e68, 2014-09-18 (annotated)

Committer:
hsgw
Date:
Thu Sep 18 10:50:22 2014 +0000
Revision:
24:5281ea9f6e68
Parent:
23:9c1d09c6a2b6
Child:
26:077ab26227c6
add other midi status. ; but miscellaneous function and cable event has been disabled.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
hsgw 24:5281ea9f6e68 1 /* USBHostMidi library
hsgw 24:5281ea9f6e68 2 * Originaled by k.shoji
hsgw 24:5281ea9f6e68 3 * porting by Takuya Urakawa
hsgw 24:5281ea9f6e68 4 */
hsgw 24:5281ea9f6e68 5
hsgw 24:5281ea9f6e68 6 /* mbed USBHost Library
hsgw 24:5281ea9f6e68 7 * Copyright (c) 2006-2013 ARM Limited
hsgw 24:5281ea9f6e68 8 *
hsgw 24:5281ea9f6e68 9 * Licensed under the Apache License, Version 2.0 (the "License");
hsgw 24:5281ea9f6e68 10 * you may not use this file except in compliance with the License.
hsgw 24:5281ea9f6e68 11 * You may obtain a copy of the License at
hsgw 24:5281ea9f6e68 12 *
hsgw 24:5281ea9f6e68 13 * http://www.apache.org/licenses/LICENSE-2.0
hsgw 24:5281ea9f6e68 14 *
hsgw 24:5281ea9f6e68 15 * Unless required by applicable law or agreed to in writing, software
hsgw 24:5281ea9f6e68 16 * distributed under the License is distributed on an "AS IS" BASIS,
hsgw 24:5281ea9f6e68 17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
hsgw 24:5281ea9f6e68 18 * See the License for the specific language governing permissions and
hsgw 24:5281ea9f6e68 19 * limitations under the License.
hsgw 24:5281ea9f6e68 20 */
hsgw 24:5281ea9f6e68 21
hsgw 24:5281ea9f6e68 22 #include "USBHostMIDI.h"
hsgw 24:5281ea9f6e68 23
hsgw 24:5281ea9f6e68 24 #if USBHOST_MIDI
hsgw 24:5281ea9f6e68 25
hsgw 24:5281ea9f6e68 26 #include "dbg.h"
hsgw 24:5281ea9f6e68 27
hsgw 24:5281ea9f6e68 28 #define SET_LINE_CODING 0x20
hsgw 24:5281ea9f6e68 29
hsgw 24:5281ea9f6e68 30 USBHostMIDI::USBHostMIDI() {
hsgw 24:5281ea9f6e68 31 host = USBHost::getHostInst();
hsgw 24:5281ea9f6e68 32 size_bulk_in = 0;
hsgw 24:5281ea9f6e68 33 size_bulk_out = 0;
hsgw 24:5281ea9f6e68 34 init();
hsgw 24:5281ea9f6e68 35 }
hsgw 24:5281ea9f6e68 36
hsgw 24:5281ea9f6e68 37 void USBHostMIDI::init() {
hsgw 24:5281ea9f6e68 38 dev = NULL;
hsgw 24:5281ea9f6e68 39 bulk_in = NULL;
hsgw 24:5281ea9f6e68 40 bulk_out = NULL;
hsgw 24:5281ea9f6e68 41 dev_connected = false;
hsgw 24:5281ea9f6e68 42 midi_intf = -1;
hsgw 24:5281ea9f6e68 43 midi_device_found = false;
hsgw 24:5281ea9f6e68 44 sysExBufferPos = 0;
hsgw 24:5281ea9f6e68 45 }
hsgw 24:5281ea9f6e68 46
hsgw 24:5281ea9f6e68 47 bool USBHostMIDI::connected()
hsgw 24:5281ea9f6e68 48 {
hsgw 24:5281ea9f6e68 49 return dev_connected;
hsgw 24:5281ea9f6e68 50 }
hsgw 24:5281ea9f6e68 51
hsgw 24:5281ea9f6e68 52 bool USBHostMIDI::connect() {
hsgw 24:5281ea9f6e68 53
hsgw 24:5281ea9f6e68 54 if (dev_connected) {
hsgw 24:5281ea9f6e68 55 return true;
hsgw 24:5281ea9f6e68 56 }
hsgw 24:5281ea9f6e68 57 for (uint8_t i = 0; i < MAX_DEVICE_CONNECTED; i++) {
hsgw 24:5281ea9f6e68 58 if ((dev = host->getDevice(i)) != NULL) {
hsgw 24:5281ea9f6e68 59
hsgw 24:5281ea9f6e68 60 USB_DBG("Trying to connect MIDI device\r\n");
hsgw 24:5281ea9f6e68 61
hsgw 24:5281ea9f6e68 62 if(host->enumerate(dev, this))
hsgw 24:5281ea9f6e68 63 break;
hsgw 24:5281ea9f6e68 64
hsgw 24:5281ea9f6e68 65 if (midi_device_found) {
hsgw 24:5281ea9f6e68 66 bulk_in = dev->getEndpoint(midi_intf, BULK_ENDPOINT, IN);
hsgw 24:5281ea9f6e68 67 bulk_out = dev->getEndpoint(midi_intf, BULK_ENDPOINT, OUT);
hsgw 24:5281ea9f6e68 68
hsgw 24:5281ea9f6e68 69 if (!bulk_in || !bulk_out)
hsgw 24:5281ea9f6e68 70 break;
hsgw 24:5281ea9f6e68 71
hsgw 24:5281ea9f6e68 72 USB_INFO("New MIDI device: VID:%04x PID:%04x [dev: %p - intf: %d]", dev->getVid(), dev->getPid(), dev, midi_intf);
hsgw 24:5281ea9f6e68 73 dev->setName("MIDI", midi_intf);
hsgw 24:5281ea9f6e68 74 host->registerDriver(dev, midi_intf, this, &USBHostMIDI::init);
hsgw 24:5281ea9f6e68 75
hsgw 24:5281ea9f6e68 76 size_bulk_in = bulk_in->getSize();
hsgw 24:5281ea9f6e68 77 size_bulk_out = bulk_out->getSize();
hsgw 24:5281ea9f6e68 78
hsgw 24:5281ea9f6e68 79 bulk_in->attach(this, &USBHostMIDI::rxHandler);
hsgw 24:5281ea9f6e68 80
hsgw 24:5281ea9f6e68 81 host->bulkRead(dev, bulk_in, buf, size_bulk_in, false);
hsgw 24:5281ea9f6e68 82 dev_connected = true;
hsgw 24:5281ea9f6e68 83 return true;
hsgw 24:5281ea9f6e68 84 }
hsgw 24:5281ea9f6e68 85 }
hsgw 24:5281ea9f6e68 86 }
hsgw 24:5281ea9f6e68 87 init();
hsgw 24:5281ea9f6e68 88 return false;
hsgw 24:5281ea9f6e68 89 }
hsgw 24:5281ea9f6e68 90
hsgw 24:5281ea9f6e68 91 void USBHostMIDI::rxHandler() {
hsgw 24:5281ea9f6e68 92 uint8_t *midi;
hsgw 24:5281ea9f6e68 93 if (bulk_in) {
hsgw 24:5281ea9f6e68 94 int length = bulk_in->getLengthTransferred();
hsgw 24:5281ea9f6e68 95 if (bulk_in->getState() == USB_TYPE_IDLE || bulk_in->getState() == USB_TYPE_FREE) {
hsgw 24:5281ea9f6e68 96 // MIDI event handling
hsgw 24:5281ea9f6e68 97 for (int i = 0; i < length; i += 4) {
hsgw 24:5281ea9f6e68 98 if (i + 4 > length) {
hsgw 24:5281ea9f6e68 99 // length shortage, ignored.
hsgw 24:5281ea9f6e68 100 break;
hsgw 24:5281ea9f6e68 101 }
hsgw 24:5281ea9f6e68 102
hsgw 24:5281ea9f6e68 103 // read each four bytes
hsgw 24:5281ea9f6e68 104 midi = &buf[i];
hsgw 24:5281ea9f6e68 105 // process MIDI message
hsgw 24:5281ea9f6e68 106 // switch by code index number
hsgw 24:5281ea9f6e68 107 USB_DBG("midi: %d, %d, %d, %d", midi[0]&0xf, midi[1], midi[2], midi[3]);
hsgw 24:5281ea9f6e68 108 switch (midi[0] & 0xf) {
hsgw 24:5281ea9f6e68 109 case 0: // miscellaneous function codes
hsgw 24:5281ea9f6e68 110 //if(midi[1] == 0) break;
hsgw 24:5281ea9f6e68 111 //miscellaneousFunctionCode(midi[1], midi[2], midi[3]);
hsgw 24:5281ea9f6e68 112 break;
hsgw 24:5281ea9f6e68 113 case 1: // cable events
hsgw 24:5281ea9f6e68 114 //cableEvent(midi[1], midi[2], midi[3]);
hsgw 24:5281ea9f6e68 115 break;
hsgw 24:5281ea9f6e68 116 case 2: // two bytes system common messages
hsgw 24:5281ea9f6e68 117 systemCommonTwoBytes(midi[1], midi[2]);
hsgw 24:5281ea9f6e68 118 break;
hsgw 24:5281ea9f6e68 119 case 3: // three bytes system common messages
hsgw 24:5281ea9f6e68 120 systemCommonThreeBytes(midi[1], midi[2], midi[3]);
hsgw 24:5281ea9f6e68 121 break;
hsgw 24:5281ea9f6e68 122 case 4: // SysEx starts or continues
hsgw 24:5281ea9f6e68 123 sysExBuffer[sysExBufferPos++] = midi[1];
hsgw 24:5281ea9f6e68 124 if (sysExBufferPos >= 64) {
hsgw 24:5281ea9f6e68 125 systemExclusive(sysExBuffer, sysExBufferPos, true);
hsgw 24:5281ea9f6e68 126 sysExBufferPos = 0;
hsgw 24:5281ea9f6e68 127 }
hsgw 24:5281ea9f6e68 128 sysExBuffer[sysExBufferPos++] = midi[2];
hsgw 24:5281ea9f6e68 129 if (sysExBufferPos >= 64) {
hsgw 24:5281ea9f6e68 130 systemExclusive(sysExBuffer, sysExBufferPos, true);
hsgw 24:5281ea9f6e68 131 sysExBufferPos = 0;
hsgw 24:5281ea9f6e68 132 }
hsgw 24:5281ea9f6e68 133 sysExBuffer[sysExBufferPos++] = midi[3];
hsgw 24:5281ea9f6e68 134 // SysEx continues. don't send
hsgw 24:5281ea9f6e68 135 break;
hsgw 24:5281ea9f6e68 136 case 5: // SysEx ends with single byte
hsgw 24:5281ea9f6e68 137 sysExBuffer[sysExBufferPos++] = midi[1];
hsgw 24:5281ea9f6e68 138 systemExclusive(sysExBuffer, sysExBufferPos, false);
hsgw 24:5281ea9f6e68 139 sysExBufferPos = 0;
hsgw 24:5281ea9f6e68 140 break;
hsgw 24:5281ea9f6e68 141 case 6: // SysEx ends with two bytes
hsgw 24:5281ea9f6e68 142 sysExBuffer[sysExBufferPos++] = midi[1];
hsgw 24:5281ea9f6e68 143 if (sysExBufferPos >= 64) {
hsgw 24:5281ea9f6e68 144 systemExclusive(sysExBuffer, sysExBufferPos, true);
hsgw 24:5281ea9f6e68 145 sysExBufferPos = 0;
hsgw 24:5281ea9f6e68 146 }
hsgw 24:5281ea9f6e68 147 sysExBuffer[sysExBufferPos++] = midi[2];
hsgw 24:5281ea9f6e68 148 systemExclusive(sysExBuffer, sysExBufferPos, false);
hsgw 24:5281ea9f6e68 149 sysExBufferPos = 0;
hsgw 24:5281ea9f6e68 150 break;
hsgw 24:5281ea9f6e68 151 case 7: // SysEx ends with three bytes
hsgw 24:5281ea9f6e68 152 sysExBuffer[sysExBufferPos++] = midi[1];
hsgw 24:5281ea9f6e68 153 if (sysExBufferPos >= 64) {
hsgw 24:5281ea9f6e68 154 systemExclusive(sysExBuffer, sysExBufferPos, true);
hsgw 24:5281ea9f6e68 155 sysExBufferPos = 0;
hsgw 24:5281ea9f6e68 156 }
hsgw 24:5281ea9f6e68 157 sysExBuffer[sysExBufferPos++] = midi[2];
hsgw 24:5281ea9f6e68 158 if (sysExBufferPos >= 64) {
hsgw 24:5281ea9f6e68 159 systemExclusive(sysExBuffer, sysExBufferPos, true);
hsgw 24:5281ea9f6e68 160 sysExBufferPos = 0;
hsgw 24:5281ea9f6e68 161 }
hsgw 24:5281ea9f6e68 162 sysExBuffer[sysExBufferPos++] = midi[3];
hsgw 24:5281ea9f6e68 163 systemExclusive(sysExBuffer, sysExBufferPos, false);
hsgw 24:5281ea9f6e68 164 sysExBufferPos = 0;
hsgw 24:5281ea9f6e68 165 break;
hsgw 24:5281ea9f6e68 166 case 8:
hsgw 24:5281ea9f6e68 167 noteOff(midi[1] & 0xf, midi[2], midi[3]);
hsgw 24:5281ea9f6e68 168 break;
hsgw 24:5281ea9f6e68 169 case 9:
hsgw 24:5281ea9f6e68 170 if (midi[3]) {
hsgw 24:5281ea9f6e68 171 noteOn(midi[1] & 0xf, midi[2], midi[3]);
hsgw 24:5281ea9f6e68 172 } else {
hsgw 24:5281ea9f6e68 173 noteOff(midi[1] & 0xf, midi[2], midi[3]);
hsgw 24:5281ea9f6e68 174 }
hsgw 24:5281ea9f6e68 175 break;
hsgw 24:5281ea9f6e68 176 case 10:
hsgw 24:5281ea9f6e68 177 polyKeyPress(midi[1] & 0xf, midi[2], midi[3]);
hsgw 24:5281ea9f6e68 178 break;
hsgw 24:5281ea9f6e68 179 case 11:
hsgw 24:5281ea9f6e68 180 controlChange(midi[1] & 0xf, midi[2], midi[3]);
hsgw 24:5281ea9f6e68 181 break;
hsgw 24:5281ea9f6e68 182 case 12:
hsgw 24:5281ea9f6e68 183 programChange(midi[1] & 0xf, midi[2]);
hsgw 24:5281ea9f6e68 184 break;
hsgw 24:5281ea9f6e68 185 case 13:
hsgw 24:5281ea9f6e68 186 channelPressure(midi[1] & 0xf, midi[2]);
hsgw 24:5281ea9f6e68 187 break;
hsgw 24:5281ea9f6e68 188 case 14:
hsgw 24:5281ea9f6e68 189 pitchBend(midi[1] & 0xf, midi[2] | (midi[3] << 7));
hsgw 24:5281ea9f6e68 190 break;
hsgw 24:5281ea9f6e68 191 case 15:
hsgw 24:5281ea9f6e68 192 singleByte(midi[1]);
hsgw 24:5281ea9f6e68 193 break;
hsgw 24:5281ea9f6e68 194 default: break;
hsgw 24:5281ea9f6e68 195 }
hsgw 24:5281ea9f6e68 196 }
hsgw 24:5281ea9f6e68 197
hsgw 24:5281ea9f6e68 198 // read another message
hsgw 24:5281ea9f6e68 199 host->bulkRead(dev, bulk_in, buf, size_bulk_in, false);
hsgw 24:5281ea9f6e68 200 }
hsgw 24:5281ea9f6e68 201 }
hsgw 24:5281ea9f6e68 202 }
hsgw 24:5281ea9f6e68 203
hsgw 24:5281ea9f6e68 204 bool USBHostMIDI::sendMidiBuffer(uint8_t data0, uint8_t data1, uint8_t data2, uint8_t data3) {
hsgw 24:5281ea9f6e68 205 if (bulk_out) {
hsgw 24:5281ea9f6e68 206 uint8_t midi[4];
hsgw 24:5281ea9f6e68 207
hsgw 24:5281ea9f6e68 208 midi[0] = data0;
hsgw 24:5281ea9f6e68 209 midi[1] = data1;
hsgw 24:5281ea9f6e68 210 midi[2] = data2;
hsgw 24:5281ea9f6e68 211 midi[3] = data3;
hsgw 24:5281ea9f6e68 212 if (host->bulkWrite(dev, bulk_out, (uint8_t *)midi, 4) == USB_TYPE_OK) {
hsgw 24:5281ea9f6e68 213 return true;
hsgw 24:5281ea9f6e68 214 }
hsgw 24:5281ea9f6e68 215 }
hsgw 24:5281ea9f6e68 216 return false;
hsgw 24:5281ea9f6e68 217 }
hsgw 24:5281ea9f6e68 218
hsgw 24:5281ea9f6e68 219 bool USBHostMIDI::sendMiscellaneousFunctionCode(uint8_t data1, uint8_t data2, uint8_t data3) {
hsgw 24:5281ea9f6e68 220 return sendMidiBuffer(0, data1, data2, data3);
hsgw 24:5281ea9f6e68 221 }
hsgw 24:5281ea9f6e68 222
hsgw 24:5281ea9f6e68 223 bool USBHostMIDI::sendCableEvent(uint8_t data1, uint8_t data2, uint8_t data3) {
hsgw 24:5281ea9f6e68 224 return sendMidiBuffer(1, data1, data2, data3);
hsgw 24:5281ea9f6e68 225 }
hsgw 24:5281ea9f6e68 226
hsgw 24:5281ea9f6e68 227 bool USBHostMIDI::sendSystemCommmonTwoBytes(uint8_t data1, uint8_t data2) {
hsgw 24:5281ea9f6e68 228 return sendMidiBuffer(2, data1, data2, 0);
hsgw 24:5281ea9f6e68 229 }
hsgw 24:5281ea9f6e68 230
hsgw 24:5281ea9f6e68 231 bool USBHostMIDI::sendSystemCommmonThreeBytes(uint8_t data1, uint8_t data2, uint8_t data3) {
hsgw 24:5281ea9f6e68 232 return sendMidiBuffer(3, data1, data2, 0);
hsgw 24:5281ea9f6e68 233 }
hsgw 24:5281ea9f6e68 234
hsgw 24:5281ea9f6e68 235 bool USBHostMIDI::sendSystemExclusive(uint8_t *buffer, int length) {
hsgw 24:5281ea9f6e68 236 uint8_t midi[64];
hsgw 24:5281ea9f6e68 237 int midiLength;
hsgw 24:5281ea9f6e68 238 int midiPos;
hsgw 24:5281ea9f6e68 239 if (bulk_out) {
hsgw 24:5281ea9f6e68 240 for (int i = 0; i < length; i += 48) {
hsgw 24:5281ea9f6e68 241 if (i + 48 >= length) {
hsgw 24:5281ea9f6e68 242 // contains last data
hsgw 24:5281ea9f6e68 243 midiLength = (((length - i) + 2) / 3) * 4;
hsgw 24:5281ea9f6e68 244 for (int pos = i; pos < length; pos += 3) {
hsgw 24:5281ea9f6e68 245 midiPos = (pos + 2) / 3 * 4;
hsgw 24:5281ea9f6e68 246 if (pos + 3 >= length) {
hsgw 24:5281ea9f6e68 247 // last data
hsgw 24:5281ea9f6e68 248 switch (pos % 3) {
hsgw 24:5281ea9f6e68 249 case 0:
hsgw 24:5281ea9f6e68 250 midi[midiPos ] = 7;
hsgw 24:5281ea9f6e68 251 midi[midiPos + 1] = buffer[pos ];
hsgw 24:5281ea9f6e68 252 midi[midiPos + 2] = buffer[pos + 1];
hsgw 24:5281ea9f6e68 253 midi[midiPos + 3] = buffer[pos + 2];
hsgw 24:5281ea9f6e68 254 break;
hsgw 24:5281ea9f6e68 255 case 1:
hsgw 24:5281ea9f6e68 256 midi[midiPos ] = 5;
hsgw 24:5281ea9f6e68 257 midi[midiPos + 1] = buffer[pos ];
hsgw 24:5281ea9f6e68 258 midi[midiPos + 2] = 0;
hsgw 24:5281ea9f6e68 259 midi[midiPos + 3] = 0;
hsgw 24:5281ea9f6e68 260 break;
hsgw 24:5281ea9f6e68 261 case 2:
hsgw 24:5281ea9f6e68 262 midi[midiPos ] = 6;
hsgw 24:5281ea9f6e68 263 midi[midiPos + 1] = buffer[pos ];
hsgw 24:5281ea9f6e68 264 midi[midiPos + 2] = buffer[pos + 1];
hsgw 24:5281ea9f6e68 265 midi[midiPos + 3] = 0;
hsgw 24:5281ea9f6e68 266 break;
hsgw 24:5281ea9f6e68 267 }
hsgw 24:5281ea9f6e68 268 } else {
hsgw 24:5281ea9f6e68 269 // has more data
hsgw 24:5281ea9f6e68 270 midi[midiPos ] = 4;
hsgw 24:5281ea9f6e68 271 midi[midiPos + 1] = buffer[pos ];
hsgw 24:5281ea9f6e68 272 midi[midiPos + 2] = buffer[pos + 1];
hsgw 24:5281ea9f6e68 273 midi[midiPos + 3] = buffer[pos + 2];
hsgw 24:5281ea9f6e68 274 }
hsgw 24:5281ea9f6e68 275 }
hsgw 24:5281ea9f6e68 276 } else {
hsgw 24:5281ea9f6e68 277 // has more data
hsgw 24:5281ea9f6e68 278 midiLength = 64;
hsgw 24:5281ea9f6e68 279 for (int pos = i; pos < length; pos += 3) {
hsgw 24:5281ea9f6e68 280 midiPos = (pos + 2) / 3 * 4;
hsgw 24:5281ea9f6e68 281 midi[midiPos ] = 4;
hsgw 24:5281ea9f6e68 282 midi[midiPos + 1] = buffer[pos ];
hsgw 24:5281ea9f6e68 283 midi[midiPos + 2] = buffer[pos + 1];
hsgw 24:5281ea9f6e68 284 midi[midiPos + 3] = buffer[pos + 2];
hsgw 24:5281ea9f6e68 285 }
hsgw 24:5281ea9f6e68 286 }
hsgw 24:5281ea9f6e68 287
hsgw 24:5281ea9f6e68 288 if (host->bulkWrite(dev, bulk_out, (uint8_t *)midi, midiLength) != USB_TYPE_OK) {
hsgw 24:5281ea9f6e68 289 return false;
hsgw 24:5281ea9f6e68 290 }
hsgw 24:5281ea9f6e68 291 }
hsgw 24:5281ea9f6e68 292 return true;
hsgw 24:5281ea9f6e68 293 }
hsgw 24:5281ea9f6e68 294 return false;
hsgw 24:5281ea9f6e68 295 }
hsgw 24:5281ea9f6e68 296
hsgw 24:5281ea9f6e68 297 bool USBHostMIDI::sendNoteOff(uint8_t channel, uint8_t note, uint8_t velocity) {
hsgw 24:5281ea9f6e68 298 return sendMidiBuffer(8, channel & 0xf | 0x80, note & 0x7f, velocity & 0x7f);
hsgw 24:5281ea9f6e68 299 }
hsgw 24:5281ea9f6e68 300
hsgw 24:5281ea9f6e68 301 bool USBHostMIDI::sendNoteOn(uint8_t channel, uint8_t note, uint8_t velocity) {
hsgw 24:5281ea9f6e68 302 return sendMidiBuffer(9, channel & 0xf | 0x90, note & 0x7f, velocity & 0x7f);
hsgw 24:5281ea9f6e68 303 }
hsgw 24:5281ea9f6e68 304
hsgw 24:5281ea9f6e68 305 bool USBHostMIDI::sendPolyKeyPress(uint8_t channel, uint8_t note, uint8_t pressure) {
hsgw 24:5281ea9f6e68 306 return sendMidiBuffer(10, channel & 0xf | 0xa0, note & 0x7f, pressure & 0x7f);
hsgw 24:5281ea9f6e68 307 }
hsgw 24:5281ea9f6e68 308
hsgw 24:5281ea9f6e68 309 bool USBHostMIDI::sendControlChange(uint8_t channel, uint8_t key, uint8_t value) {
hsgw 24:5281ea9f6e68 310 return sendMidiBuffer(11, channel & 0xf | 0xb0, key & 0x7f, value & 0x7f);
hsgw 24:5281ea9f6e68 311 }
hsgw 24:5281ea9f6e68 312
hsgw 24:5281ea9f6e68 313 bool USBHostMIDI::sendProgramChange(uint8_t channel, uint8_t program) {
hsgw 24:5281ea9f6e68 314 return sendMidiBuffer(12, channel & 0xf | 0xc0, program & 0x7f, 0);
hsgw 24:5281ea9f6e68 315 }
hsgw 24:5281ea9f6e68 316
hsgw 24:5281ea9f6e68 317 bool USBHostMIDI::sendChannelPressure(uint8_t channel, uint8_t pressure) {
hsgw 24:5281ea9f6e68 318 return sendMidiBuffer(13, channel & 0xf | 0xd0, pressure & 0x7f, 0);
hsgw 24:5281ea9f6e68 319 }
hsgw 24:5281ea9f6e68 320
hsgw 24:5281ea9f6e68 321 bool USBHostMIDI::sendPitchBend(uint8_t channel, uint16_t value) {
hsgw 24:5281ea9f6e68 322 return sendMidiBuffer(14, channel & 0xf | 0xe0, value & 0x7f, (value >> 7) & 0x7f);
hsgw 24:5281ea9f6e68 323 }
hsgw 24:5281ea9f6e68 324
hsgw 24:5281ea9f6e68 325 bool USBHostMIDI::sendSingleByte(uint8_t data) {
hsgw 24:5281ea9f6e68 326 return sendMidiBuffer(15, data, 0, 0);
hsgw 24:5281ea9f6e68 327 }
hsgw 24:5281ea9f6e68 328
hsgw 24:5281ea9f6e68 329 /*virtual*/ void USBHostMIDI::setVidPid(uint16_t vid, uint16_t pid)
hsgw 24:5281ea9f6e68 330 {
hsgw 24:5281ea9f6e68 331 // we don't check VID/PID for this driver
hsgw 24:5281ea9f6e68 332 }
hsgw 24:5281ea9f6e68 333
hsgw 24:5281ea9f6e68 334 /*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
hsgw 24:5281ea9f6e68 335 {
hsgw 24:5281ea9f6e68 336 // USB MIDI class/subclass
hsgw 24:5281ea9f6e68 337 if ((midi_intf == -1) &&
hsgw 24:5281ea9f6e68 338 (intf_class == AUDIO_CLASS) &&
hsgw 24:5281ea9f6e68 339 (intf_subclass == 0x03)) {
hsgw 24:5281ea9f6e68 340 midi_intf = intf_nb;
hsgw 24:5281ea9f6e68 341 return true;
hsgw 24:5281ea9f6e68 342 }
hsgw 24:5281ea9f6e68 343
hsgw 24:5281ea9f6e68 344 // vendor specific device
hsgw 24:5281ea9f6e68 345 if ((midi_intf == -1) &&
hsgw 24:5281ea9f6e68 346 (intf_class == 0xff) &&
hsgw 24:5281ea9f6e68 347 (intf_subclass == 0x03)) {
hsgw 24:5281ea9f6e68 348 midi_intf = intf_nb;
hsgw 24:5281ea9f6e68 349 return true;
hsgw 24:5281ea9f6e68 350 }
hsgw 24:5281ea9f6e68 351
hsgw 24:5281ea9f6e68 352 return false;
hsgw 24:5281ea9f6e68 353 }
hsgw 24:5281ea9f6e68 354
hsgw 24:5281ea9f6e68 355 /*virtual*/ bool USBHostMIDI::useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir) //Must return true if the endpoint will be used
hsgw 24:5281ea9f6e68 356 {
hsgw 24:5281ea9f6e68 357 if (intf_nb == midi_intf) {
hsgw 24:5281ea9f6e68 358 if (type == BULK_ENDPOINT) {
hsgw 24:5281ea9f6e68 359 midi_device_found = true;
hsgw 24:5281ea9f6e68 360 return true;
hsgw 24:5281ea9f6e68 361 }
hsgw 24:5281ea9f6e68 362 }
hsgw 24:5281ea9f6e68 363 return false;
hsgw 24:5281ea9f6e68 364 }
hsgw 24:5281ea9f6e68 365
hsgw 24:5281ea9f6e68 366 #endif