test public
Dependencies: HttpServer_snapshot_mbed-os
mbed-gr-libs/USBHost_custom/USBHostMIDI/USBHostMIDI.cpp@0:e9fd5575b10e, 2019-10-18 (annotated)
- Committer:
- anhtran
- Date:
- Fri Oct 18 03:09:43 2019 +0000
- Revision:
- 0:e9fd5575b10e
abc
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
anhtran | 0:e9fd5575b10e | 1 | /* Copyright (c) 2014 mbed.org, MIT License |
anhtran | 0:e9fd5575b10e | 2 | * |
anhtran | 0:e9fd5575b10e | 3 | * Permission is hereby granted, free of charge, to any person obtaining a copy of this software |
anhtran | 0:e9fd5575b10e | 4 | * and associated documentation files (the "Software"), to deal in the Software without |
anhtran | 0:e9fd5575b10e | 5 | * restriction, including without limitation the rights to use, copy, modify, merge, publish, |
anhtran | 0:e9fd5575b10e | 6 | * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the |
anhtran | 0:e9fd5575b10e | 7 | * Software is furnished to do so, subject to the following conditions: |
anhtran | 0:e9fd5575b10e | 8 | * |
anhtran | 0:e9fd5575b10e | 9 | * The above copyright notice and this permission notice shall be included in all copies or |
anhtran | 0:e9fd5575b10e | 10 | * substantial portions of the Software. |
anhtran | 0:e9fd5575b10e | 11 | * |
anhtran | 0:e9fd5575b10e | 12 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING |
anhtran | 0:e9fd5575b10e | 13 | * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
anhtran | 0:e9fd5575b10e | 14 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, |
anhtran | 0:e9fd5575b10e | 15 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
anhtran | 0:e9fd5575b10e | 16 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
anhtran | 0:e9fd5575b10e | 17 | */ |
anhtran | 0:e9fd5575b10e | 18 | |
anhtran | 0:e9fd5575b10e | 19 | #include "USBHostMIDI.h" |
anhtran | 0:e9fd5575b10e | 20 | |
anhtran | 0:e9fd5575b10e | 21 | #if USBHOST_MIDI |
anhtran | 0:e9fd5575b10e | 22 | |
anhtran | 0:e9fd5575b10e | 23 | #include "dbg.h" |
anhtran | 0:e9fd5575b10e | 24 | |
anhtran | 0:e9fd5575b10e | 25 | #define SET_LINE_CODING 0x20 |
anhtran | 0:e9fd5575b10e | 26 | |
anhtran | 0:e9fd5575b10e | 27 | USBHostMIDI::USBHostMIDI() { |
anhtran | 0:e9fd5575b10e | 28 | host = USBHost::getHostInst(); |
anhtran | 0:e9fd5575b10e | 29 | size_bulk_in = 0; |
anhtran | 0:e9fd5575b10e | 30 | size_bulk_out = 0; |
anhtran | 0:e9fd5575b10e | 31 | #if defined(TARGET_RZ_A2XX) |
anhtran | 0:e9fd5575b10e | 32 | buf_in = (uint8_t *)AllocNonCacheMem(64); |
anhtran | 0:e9fd5575b10e | 33 | buf_out = (uint8_t *)AllocNonCacheMem(64); |
anhtran | 0:e9fd5575b10e | 34 | #endif |
anhtran | 0:e9fd5575b10e | 35 | init(); |
anhtran | 0:e9fd5575b10e | 36 | } |
anhtran | 0:e9fd5575b10e | 37 | |
anhtran | 0:e9fd5575b10e | 38 | #if defined(TARGET_RZ_A2XX) |
anhtran | 0:e9fd5575b10e | 39 | USBHostMIDI::~USBHostMIDI() { |
anhtran | 0:e9fd5575b10e | 40 | FreeNonCacheMem(buf_in); |
anhtran | 0:e9fd5575b10e | 41 | FreeNonCacheMem(buf_out); |
anhtran | 0:e9fd5575b10e | 42 | } |
anhtran | 0:e9fd5575b10e | 43 | #endif |
anhtran | 0:e9fd5575b10e | 44 | |
anhtran | 0:e9fd5575b10e | 45 | void USBHostMIDI::init() { |
anhtran | 0:e9fd5575b10e | 46 | dev = NULL; |
anhtran | 0:e9fd5575b10e | 47 | bulk_in = NULL; |
anhtran | 0:e9fd5575b10e | 48 | bulk_out = NULL; |
anhtran | 0:e9fd5575b10e | 49 | dev_connected = false; |
anhtran | 0:e9fd5575b10e | 50 | midi_intf = -1; |
anhtran | 0:e9fd5575b10e | 51 | midi_device_found = false; |
anhtran | 0:e9fd5575b10e | 52 | sysExBufferPos = 0; |
anhtran | 0:e9fd5575b10e | 53 | } |
anhtran | 0:e9fd5575b10e | 54 | |
anhtran | 0:e9fd5575b10e | 55 | bool USBHostMIDI::connected() { |
anhtran | 0:e9fd5575b10e | 56 | return dev_connected; |
anhtran | 0:e9fd5575b10e | 57 | } |
anhtran | 0:e9fd5575b10e | 58 | |
anhtran | 0:e9fd5575b10e | 59 | bool USBHostMIDI::connect() { |
anhtran | 0:e9fd5575b10e | 60 | if (dev_connected) { |
anhtran | 0:e9fd5575b10e | 61 | return true; |
anhtran | 0:e9fd5575b10e | 62 | } |
anhtran | 0:e9fd5575b10e | 63 | |
anhtran | 0:e9fd5575b10e | 64 | for (uint8_t i = 0; i < MAX_DEVICE_CONNECTED; i++) { |
anhtran | 0:e9fd5575b10e | 65 | if ((dev = host->getDevice(i)) != NULL) { |
anhtran | 0:e9fd5575b10e | 66 | |
anhtran | 0:e9fd5575b10e | 67 | USB_DBG("Trying to connect MIDI device\r\n"); |
anhtran | 0:e9fd5575b10e | 68 | |
anhtran | 0:e9fd5575b10e | 69 | if (host->enumerate(dev, this)) { |
anhtran | 0:e9fd5575b10e | 70 | break; |
anhtran | 0:e9fd5575b10e | 71 | } |
anhtran | 0:e9fd5575b10e | 72 | |
anhtran | 0:e9fd5575b10e | 73 | if (midi_device_found) { |
anhtran | 0:e9fd5575b10e | 74 | bulk_in = dev->getEndpoint(midi_intf, BULK_ENDPOINT, IN); |
anhtran | 0:e9fd5575b10e | 75 | bulk_out = dev->getEndpoint(midi_intf, BULK_ENDPOINT, OUT); |
anhtran | 0:e9fd5575b10e | 76 | |
anhtran | 0:e9fd5575b10e | 77 | if (!bulk_in || !bulk_out) { |
anhtran | 0:e9fd5575b10e | 78 | break; |
anhtran | 0:e9fd5575b10e | 79 | } |
anhtran | 0:e9fd5575b10e | 80 | |
anhtran | 0:e9fd5575b10e | 81 | USB_INFO("New MIDI device: VID:%04x PID:%04x [dev: %p - intf: %d]", dev->getVid(), dev->getPid(), dev, midi_intf); |
anhtran | 0:e9fd5575b10e | 82 | dev->setName("MIDI", midi_intf); |
anhtran | 0:e9fd5575b10e | 83 | host->registerDriver(dev, midi_intf, this, &USBHostMIDI::init); |
anhtran | 0:e9fd5575b10e | 84 | |
anhtran | 0:e9fd5575b10e | 85 | size_bulk_in = bulk_in->getSize(); |
anhtran | 0:e9fd5575b10e | 86 | size_bulk_out = bulk_out->getSize(); |
anhtran | 0:e9fd5575b10e | 87 | |
anhtran | 0:e9fd5575b10e | 88 | bulk_in->attach(this, &USBHostMIDI::rxHandler); |
anhtran | 0:e9fd5575b10e | 89 | |
anhtran | 0:e9fd5575b10e | 90 | #if defined(TARGET_RZ_A2XX) |
anhtran | 0:e9fd5575b10e | 91 | host->bulkRead(dev, bulk_in, buf_in, size_bulk_in, false); |
anhtran | 0:e9fd5575b10e | 92 | #else |
anhtran | 0:e9fd5575b10e | 93 | host->bulkRead(dev, bulk_in, buf, size_bulk_in, false); |
anhtran | 0:e9fd5575b10e | 94 | #endif |
anhtran | 0:e9fd5575b10e | 95 | dev_connected = true; |
anhtran | 0:e9fd5575b10e | 96 | return true; |
anhtran | 0:e9fd5575b10e | 97 | } |
anhtran | 0:e9fd5575b10e | 98 | } |
anhtran | 0:e9fd5575b10e | 99 | } |
anhtran | 0:e9fd5575b10e | 100 | |
anhtran | 0:e9fd5575b10e | 101 | init(); |
anhtran | 0:e9fd5575b10e | 102 | return false; |
anhtran | 0:e9fd5575b10e | 103 | } |
anhtran | 0:e9fd5575b10e | 104 | |
anhtran | 0:e9fd5575b10e | 105 | void USBHostMIDI::rxHandler() { |
anhtran | 0:e9fd5575b10e | 106 | uint8_t *midi; |
anhtran | 0:e9fd5575b10e | 107 | if (bulk_in) { |
anhtran | 0:e9fd5575b10e | 108 | int length = bulk_in->getLengthTransferred(); |
anhtran | 0:e9fd5575b10e | 109 | if (bulk_in->getState() == USB_TYPE_IDLE || bulk_in->getState() == USB_TYPE_FREE) { |
anhtran | 0:e9fd5575b10e | 110 | // MIDI event handling |
anhtran | 0:e9fd5575b10e | 111 | for (int i = 0; i < length; i += 4) { |
anhtran | 0:e9fd5575b10e | 112 | if (i + 4 > length) { |
anhtran | 0:e9fd5575b10e | 113 | // length shortage, ignored. |
anhtran | 0:e9fd5575b10e | 114 | break; |
anhtran | 0:e9fd5575b10e | 115 | } |
anhtran | 0:e9fd5575b10e | 116 | |
anhtran | 0:e9fd5575b10e | 117 | // read each four bytes |
anhtran | 0:e9fd5575b10e | 118 | #if defined(TARGET_RZ_A2XX) |
anhtran | 0:e9fd5575b10e | 119 | midi = &buf_in[i]; |
anhtran | 0:e9fd5575b10e | 120 | #else |
anhtran | 0:e9fd5575b10e | 121 | midi = &buf[i]; |
anhtran | 0:e9fd5575b10e | 122 | #endif |
anhtran | 0:e9fd5575b10e | 123 | // process MIDI message |
anhtran | 0:e9fd5575b10e | 124 | // switch by code index number |
anhtran | 0:e9fd5575b10e | 125 | switch (midi[0] & 0xf) { |
anhtran | 0:e9fd5575b10e | 126 | case 0: // miscellaneous function codes |
anhtran | 0:e9fd5575b10e | 127 | miscellaneousFunctionCode(midi[1], midi[2], midi[3]); |
anhtran | 0:e9fd5575b10e | 128 | break; |
anhtran | 0:e9fd5575b10e | 129 | case 1: // cable events |
anhtran | 0:e9fd5575b10e | 130 | cableEvent(midi[1], midi[2], midi[3]); |
anhtran | 0:e9fd5575b10e | 131 | break; |
anhtran | 0:e9fd5575b10e | 132 | case 2: // two bytes system common messages |
anhtran | 0:e9fd5575b10e | 133 | systemCommonTwoBytes(midi[1], midi[2]); |
anhtran | 0:e9fd5575b10e | 134 | break; |
anhtran | 0:e9fd5575b10e | 135 | case 3: // three bytes system common messages |
anhtran | 0:e9fd5575b10e | 136 | systemCommonThreeBytes(midi[1], midi[2], midi[3]); |
anhtran | 0:e9fd5575b10e | 137 | break; |
anhtran | 0:e9fd5575b10e | 138 | case 4: // SysEx starts or continues |
anhtran | 0:e9fd5575b10e | 139 | sysExBuffer[sysExBufferPos++] = midi[1]; |
anhtran | 0:e9fd5575b10e | 140 | if (sysExBufferPos >= 64) { |
anhtran | 0:e9fd5575b10e | 141 | systemExclusive(sysExBuffer, sysExBufferPos, true); |
anhtran | 0:e9fd5575b10e | 142 | sysExBufferPos = 0; |
anhtran | 0:e9fd5575b10e | 143 | } |
anhtran | 0:e9fd5575b10e | 144 | sysExBuffer[sysExBufferPos++] = midi[2]; |
anhtran | 0:e9fd5575b10e | 145 | if (sysExBufferPos >= 64) { |
anhtran | 0:e9fd5575b10e | 146 | systemExclusive(sysExBuffer, sysExBufferPos, true); |
anhtran | 0:e9fd5575b10e | 147 | sysExBufferPos = 0; |
anhtran | 0:e9fd5575b10e | 148 | } |
anhtran | 0:e9fd5575b10e | 149 | sysExBuffer[sysExBufferPos++] = midi[3]; |
anhtran | 0:e9fd5575b10e | 150 | // SysEx continues. don't send |
anhtran | 0:e9fd5575b10e | 151 | break; |
anhtran | 0:e9fd5575b10e | 152 | case 5: // SysEx ends with single byte |
anhtran | 0:e9fd5575b10e | 153 | sysExBuffer[sysExBufferPos++] = midi[1]; |
anhtran | 0:e9fd5575b10e | 154 | systemExclusive(sysExBuffer, sysExBufferPos, false); |
anhtran | 0:e9fd5575b10e | 155 | sysExBufferPos = 0; |
anhtran | 0:e9fd5575b10e | 156 | break; |
anhtran | 0:e9fd5575b10e | 157 | case 6: // SysEx ends with two bytes |
anhtran | 0:e9fd5575b10e | 158 | sysExBuffer[sysExBufferPos++] = midi[1]; |
anhtran | 0:e9fd5575b10e | 159 | if (sysExBufferPos >= 64) { |
anhtran | 0:e9fd5575b10e | 160 | systemExclusive(sysExBuffer, sysExBufferPos, true); |
anhtran | 0:e9fd5575b10e | 161 | sysExBufferPos = 0; |
anhtran | 0:e9fd5575b10e | 162 | } |
anhtran | 0:e9fd5575b10e | 163 | sysExBuffer[sysExBufferPos++] = midi[2]; |
anhtran | 0:e9fd5575b10e | 164 | systemExclusive(sysExBuffer, sysExBufferPos, false); |
anhtran | 0:e9fd5575b10e | 165 | sysExBufferPos = 0; |
anhtran | 0:e9fd5575b10e | 166 | break; |
anhtran | 0:e9fd5575b10e | 167 | case 7: // SysEx ends with three bytes |
anhtran | 0:e9fd5575b10e | 168 | sysExBuffer[sysExBufferPos++] = midi[1]; |
anhtran | 0:e9fd5575b10e | 169 | if (sysExBufferPos >= 64) { |
anhtran | 0:e9fd5575b10e | 170 | systemExclusive(sysExBuffer, sysExBufferPos, true); |
anhtran | 0:e9fd5575b10e | 171 | sysExBufferPos = 0; |
anhtran | 0:e9fd5575b10e | 172 | } |
anhtran | 0:e9fd5575b10e | 173 | sysExBuffer[sysExBufferPos++] = midi[2]; |
anhtran | 0:e9fd5575b10e | 174 | if (sysExBufferPos >= 64) { |
anhtran | 0:e9fd5575b10e | 175 | systemExclusive(sysExBuffer, sysExBufferPos, true); |
anhtran | 0:e9fd5575b10e | 176 | sysExBufferPos = 0; |
anhtran | 0:e9fd5575b10e | 177 | } |
anhtran | 0:e9fd5575b10e | 178 | sysExBuffer[sysExBufferPos++] = midi[3]; |
anhtran | 0:e9fd5575b10e | 179 | systemExclusive(sysExBuffer, sysExBufferPos, false); |
anhtran | 0:e9fd5575b10e | 180 | sysExBufferPos = 0; |
anhtran | 0:e9fd5575b10e | 181 | break; |
anhtran | 0:e9fd5575b10e | 182 | case 8: |
anhtran | 0:e9fd5575b10e | 183 | noteOff(midi[1] & 0xf, midi[2], midi[3]); |
anhtran | 0:e9fd5575b10e | 184 | break; |
anhtran | 0:e9fd5575b10e | 185 | case 9: |
anhtran | 0:e9fd5575b10e | 186 | if (midi[3]) { |
anhtran | 0:e9fd5575b10e | 187 | noteOn(midi[1] & 0xf, midi[2], midi[3]); |
anhtran | 0:e9fd5575b10e | 188 | } else { |
anhtran | 0:e9fd5575b10e | 189 | noteOff(midi[1] & 0xf, midi[2], midi[3]); |
anhtran | 0:e9fd5575b10e | 190 | } |
anhtran | 0:e9fd5575b10e | 191 | break; |
anhtran | 0:e9fd5575b10e | 192 | case 10: |
anhtran | 0:e9fd5575b10e | 193 | polyKeyPress(midi[1] & 0xf, midi[2], midi[3]); |
anhtran | 0:e9fd5575b10e | 194 | break; |
anhtran | 0:e9fd5575b10e | 195 | case 11: |
anhtran | 0:e9fd5575b10e | 196 | controlChange(midi[1] & 0xf, midi[2], midi[3]); |
anhtran | 0:e9fd5575b10e | 197 | break; |
anhtran | 0:e9fd5575b10e | 198 | case 12: |
anhtran | 0:e9fd5575b10e | 199 | programChange(midi[1] & 0xf, midi[2]); |
anhtran | 0:e9fd5575b10e | 200 | break; |
anhtran | 0:e9fd5575b10e | 201 | case 13: |
anhtran | 0:e9fd5575b10e | 202 | channelPressure(midi[1] & 0xf, midi[2]); |
anhtran | 0:e9fd5575b10e | 203 | break; |
anhtran | 0:e9fd5575b10e | 204 | case 14: |
anhtran | 0:e9fd5575b10e | 205 | pitchBend(midi[1] & 0xf, midi[2] | (midi[3] << 7)); |
anhtran | 0:e9fd5575b10e | 206 | break; |
anhtran | 0:e9fd5575b10e | 207 | case 15: |
anhtran | 0:e9fd5575b10e | 208 | singleByte(midi[1]); |
anhtran | 0:e9fd5575b10e | 209 | break; |
anhtran | 0:e9fd5575b10e | 210 | } |
anhtran | 0:e9fd5575b10e | 211 | } |
anhtran | 0:e9fd5575b10e | 212 | |
anhtran | 0:e9fd5575b10e | 213 | // read another message |
anhtran | 0:e9fd5575b10e | 214 | #if defined(TARGET_RZ_A2XX) |
anhtran | 0:e9fd5575b10e | 215 | host->bulkRead(dev, bulk_in, buf_in, size_bulk_in, false); |
anhtran | 0:e9fd5575b10e | 216 | #else |
anhtran | 0:e9fd5575b10e | 217 | host->bulkRead(dev, bulk_in, buf, size_bulk_in, false); |
anhtran | 0:e9fd5575b10e | 218 | #endif |
anhtran | 0:e9fd5575b10e | 219 | } |
anhtran | 0:e9fd5575b10e | 220 | } |
anhtran | 0:e9fd5575b10e | 221 | } |
anhtran | 0:e9fd5575b10e | 222 | |
anhtran | 0:e9fd5575b10e | 223 | bool USBHostMIDI::sendMidiBuffer(uint8_t data0, uint8_t data1, uint8_t data2, uint8_t data3) { |
anhtran | 0:e9fd5575b10e | 224 | if (bulk_out) { |
anhtran | 0:e9fd5575b10e | 225 | #if defined(TARGET_RZ_A2XX) |
anhtran | 0:e9fd5575b10e | 226 | uint8_t * midi = buf_out; |
anhtran | 0:e9fd5575b10e | 227 | #else |
anhtran | 0:e9fd5575b10e | 228 | uint8_t midi[4]; |
anhtran | 0:e9fd5575b10e | 229 | #endif |
anhtran | 0:e9fd5575b10e | 230 | |
anhtran | 0:e9fd5575b10e | 231 | midi[0] = data0; |
anhtran | 0:e9fd5575b10e | 232 | midi[1] = data1; |
anhtran | 0:e9fd5575b10e | 233 | midi[2] = data2; |
anhtran | 0:e9fd5575b10e | 234 | midi[3] = data3; |
anhtran | 0:e9fd5575b10e | 235 | if (host->bulkWrite(dev, bulk_out, (uint8_t *)midi, 4) == USB_TYPE_OK) { |
anhtran | 0:e9fd5575b10e | 236 | return true; |
anhtran | 0:e9fd5575b10e | 237 | } |
anhtran | 0:e9fd5575b10e | 238 | } |
anhtran | 0:e9fd5575b10e | 239 | return false; |
anhtran | 0:e9fd5575b10e | 240 | } |
anhtran | 0:e9fd5575b10e | 241 | |
anhtran | 0:e9fd5575b10e | 242 | bool USBHostMIDI::sendMiscellaneousFunctionCode(uint8_t data1, uint8_t data2, uint8_t data3) { |
anhtran | 0:e9fd5575b10e | 243 | return sendMidiBuffer(0, data1, data2, data3); |
anhtran | 0:e9fd5575b10e | 244 | } |
anhtran | 0:e9fd5575b10e | 245 | |
anhtran | 0:e9fd5575b10e | 246 | bool USBHostMIDI::sendCableEvent(uint8_t data1, uint8_t data2, uint8_t data3) { |
anhtran | 0:e9fd5575b10e | 247 | return sendMidiBuffer(1, data1, data2, data3); |
anhtran | 0:e9fd5575b10e | 248 | } |
anhtran | 0:e9fd5575b10e | 249 | |
anhtran | 0:e9fd5575b10e | 250 | bool USBHostMIDI::sendSystemCommmonTwoBytes(uint8_t data1, uint8_t data2) { |
anhtran | 0:e9fd5575b10e | 251 | return sendMidiBuffer(2, data1, data2, 0); |
anhtran | 0:e9fd5575b10e | 252 | } |
anhtran | 0:e9fd5575b10e | 253 | |
anhtran | 0:e9fd5575b10e | 254 | bool USBHostMIDI::sendSystemCommmonThreeBytes(uint8_t data1, uint8_t data2, uint8_t data3) { |
anhtran | 0:e9fd5575b10e | 255 | return sendMidiBuffer(3, data1, data2, 0); |
anhtran | 0:e9fd5575b10e | 256 | } |
anhtran | 0:e9fd5575b10e | 257 | |
anhtran | 0:e9fd5575b10e | 258 | bool USBHostMIDI::sendSystemExclusive(uint8_t *buffer, int length) { |
anhtran | 0:e9fd5575b10e | 259 | #if defined(TARGET_RZ_A2XX) |
anhtran | 0:e9fd5575b10e | 260 | uint8_t * midi = buf_out; |
anhtran | 0:e9fd5575b10e | 261 | #else |
anhtran | 0:e9fd5575b10e | 262 | uint8_t midi[64]; |
anhtran | 0:e9fd5575b10e | 263 | #endif |
anhtran | 0:e9fd5575b10e | 264 | int midiLength; |
anhtran | 0:e9fd5575b10e | 265 | int midiPos; |
anhtran | 0:e9fd5575b10e | 266 | if (bulk_out) { |
anhtran | 0:e9fd5575b10e | 267 | for (int i = 0; i < length; i += 48) { |
anhtran | 0:e9fd5575b10e | 268 | if (i + 48 >= length) { |
anhtran | 0:e9fd5575b10e | 269 | // contains last data |
anhtran | 0:e9fd5575b10e | 270 | midiLength = (((length - i) + 2) / 3) * 4; |
anhtran | 0:e9fd5575b10e | 271 | for (int pos = i; pos < length; pos += 3) { |
anhtran | 0:e9fd5575b10e | 272 | midiPos = (pos + 2) / 3 * 4; |
anhtran | 0:e9fd5575b10e | 273 | if (pos + 3 >= length) { |
anhtran | 0:e9fd5575b10e | 274 | // last data |
anhtran | 0:e9fd5575b10e | 275 | switch (pos % 3) { |
anhtran | 0:e9fd5575b10e | 276 | case 0: |
anhtran | 0:e9fd5575b10e | 277 | midi[midiPos ] = 7; |
anhtran | 0:e9fd5575b10e | 278 | midi[midiPos + 1] = buffer[pos ]; |
anhtran | 0:e9fd5575b10e | 279 | midi[midiPos + 2] = buffer[pos + 1]; |
anhtran | 0:e9fd5575b10e | 280 | midi[midiPos + 3] = buffer[pos + 2]; |
anhtran | 0:e9fd5575b10e | 281 | break; |
anhtran | 0:e9fd5575b10e | 282 | case 1: |
anhtran | 0:e9fd5575b10e | 283 | midi[midiPos ] = 5; |
anhtran | 0:e9fd5575b10e | 284 | midi[midiPos + 1] = buffer[pos ]; |
anhtran | 0:e9fd5575b10e | 285 | midi[midiPos + 2] = 0; |
anhtran | 0:e9fd5575b10e | 286 | midi[midiPos + 3] = 0; |
anhtran | 0:e9fd5575b10e | 287 | break; |
anhtran | 0:e9fd5575b10e | 288 | case 2: |
anhtran | 0:e9fd5575b10e | 289 | midi[midiPos ] = 6; |
anhtran | 0:e9fd5575b10e | 290 | midi[midiPos + 1] = buffer[pos ]; |
anhtran | 0:e9fd5575b10e | 291 | midi[midiPos + 2] = buffer[pos + 1]; |
anhtran | 0:e9fd5575b10e | 292 | midi[midiPos + 3] = 0; |
anhtran | 0:e9fd5575b10e | 293 | break; |
anhtran | 0:e9fd5575b10e | 294 | } |
anhtran | 0:e9fd5575b10e | 295 | } else { |
anhtran | 0:e9fd5575b10e | 296 | // has more data |
anhtran | 0:e9fd5575b10e | 297 | midi[midiPos ] = 4; |
anhtran | 0:e9fd5575b10e | 298 | midi[midiPos + 1] = buffer[pos ]; |
anhtran | 0:e9fd5575b10e | 299 | midi[midiPos + 2] = buffer[pos + 1]; |
anhtran | 0:e9fd5575b10e | 300 | midi[midiPos + 3] = buffer[pos + 2]; |
anhtran | 0:e9fd5575b10e | 301 | } |
anhtran | 0:e9fd5575b10e | 302 | } |
anhtran | 0:e9fd5575b10e | 303 | } else { |
anhtran | 0:e9fd5575b10e | 304 | // has more data |
anhtran | 0:e9fd5575b10e | 305 | midiLength = 64; |
anhtran | 0:e9fd5575b10e | 306 | for (int pos = i; pos < length; pos += 3) { |
anhtran | 0:e9fd5575b10e | 307 | midiPos = (pos + 2) / 3 * 4; |
anhtran | 0:e9fd5575b10e | 308 | midi[midiPos ] = 4; |
anhtran | 0:e9fd5575b10e | 309 | midi[midiPos + 1] = buffer[pos ]; |
anhtran | 0:e9fd5575b10e | 310 | midi[midiPos + 2] = buffer[pos + 1]; |
anhtran | 0:e9fd5575b10e | 311 | midi[midiPos + 3] = buffer[pos + 2]; |
anhtran | 0:e9fd5575b10e | 312 | } |
anhtran | 0:e9fd5575b10e | 313 | } |
anhtran | 0:e9fd5575b10e | 314 | |
anhtran | 0:e9fd5575b10e | 315 | if (host->bulkWrite(dev, bulk_out, (uint8_t *)midi, midiLength) != USB_TYPE_OK) { |
anhtran | 0:e9fd5575b10e | 316 | return false; |
anhtran | 0:e9fd5575b10e | 317 | } |
anhtran | 0:e9fd5575b10e | 318 | } |
anhtran | 0:e9fd5575b10e | 319 | return true; |
anhtran | 0:e9fd5575b10e | 320 | } |
anhtran | 0:e9fd5575b10e | 321 | return false; |
anhtran | 0:e9fd5575b10e | 322 | } |
anhtran | 0:e9fd5575b10e | 323 | |
anhtran | 0:e9fd5575b10e | 324 | bool USBHostMIDI::sendNoteOff(uint8_t channel, uint8_t note, uint8_t velocity) { |
anhtran | 0:e9fd5575b10e | 325 | return sendMidiBuffer(8, (channel & 0xf) | 0x80, note & 0x7f, velocity & 0x7f); |
anhtran | 0:e9fd5575b10e | 326 | } |
anhtran | 0:e9fd5575b10e | 327 | |
anhtran | 0:e9fd5575b10e | 328 | bool USBHostMIDI::sendNoteOn(uint8_t channel, uint8_t note, uint8_t velocity) { |
anhtran | 0:e9fd5575b10e | 329 | return sendMidiBuffer(9, (channel & 0xf) | 0x90, note & 0x7f, velocity & 0x7f); |
anhtran | 0:e9fd5575b10e | 330 | } |
anhtran | 0:e9fd5575b10e | 331 | |
anhtran | 0:e9fd5575b10e | 332 | bool USBHostMIDI::sendPolyKeyPress(uint8_t channel, uint8_t note, uint8_t pressure) { |
anhtran | 0:e9fd5575b10e | 333 | return sendMidiBuffer(10, (channel & 0xf) | 0xa0, note & 0x7f, pressure & 0x7f); |
anhtran | 0:e9fd5575b10e | 334 | } |
anhtran | 0:e9fd5575b10e | 335 | |
anhtran | 0:e9fd5575b10e | 336 | bool USBHostMIDI::sendControlChange(uint8_t channel, uint8_t key, uint8_t value) { |
anhtran | 0:e9fd5575b10e | 337 | return sendMidiBuffer(11, (channel & 0xf) | 0xb0, key & 0x7f, value & 0x7f); |
anhtran | 0:e9fd5575b10e | 338 | } |
anhtran | 0:e9fd5575b10e | 339 | |
anhtran | 0:e9fd5575b10e | 340 | bool USBHostMIDI::sendProgramChange(uint8_t channel, uint8_t program) { |
anhtran | 0:e9fd5575b10e | 341 | return sendMidiBuffer(12, (channel & 0xf) | 0xc0, program & 0x7f, 0); |
anhtran | 0:e9fd5575b10e | 342 | } |
anhtran | 0:e9fd5575b10e | 343 | |
anhtran | 0:e9fd5575b10e | 344 | bool USBHostMIDI::sendChannelPressure(uint8_t channel, uint8_t pressure) { |
anhtran | 0:e9fd5575b10e | 345 | return sendMidiBuffer(13, (channel & 0xf) | 0xd0, pressure & 0x7f, 0); |
anhtran | 0:e9fd5575b10e | 346 | } |
anhtran | 0:e9fd5575b10e | 347 | |
anhtran | 0:e9fd5575b10e | 348 | bool USBHostMIDI::sendPitchBend(uint8_t channel, uint16_t value) { |
anhtran | 0:e9fd5575b10e | 349 | return sendMidiBuffer(14, (channel & 0xf) | 0xe0, value & 0x7f, (value >> 7) & 0x7f); |
anhtran | 0:e9fd5575b10e | 350 | } |
anhtran | 0:e9fd5575b10e | 351 | |
anhtran | 0:e9fd5575b10e | 352 | bool USBHostMIDI::sendSingleByte(uint8_t data) { |
anhtran | 0:e9fd5575b10e | 353 | return sendMidiBuffer(15, data, 0, 0); |
anhtran | 0:e9fd5575b10e | 354 | } |
anhtran | 0:e9fd5575b10e | 355 | |
anhtran | 0:e9fd5575b10e | 356 | /*virtual*/ void USBHostMIDI::setVidPid(uint16_t vid, uint16_t pid) |
anhtran | 0:e9fd5575b10e | 357 | { |
anhtran | 0:e9fd5575b10e | 358 | // we don't check VID/PID for this driver |
anhtran | 0:e9fd5575b10e | 359 | } |
anhtran | 0:e9fd5575b10e | 360 | |
anhtran | 0:e9fd5575b10e | 361 | /*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 |
anhtran | 0:e9fd5575b10e | 362 | { |
anhtran | 0:e9fd5575b10e | 363 | // USB MIDI class/subclass |
anhtran | 0:e9fd5575b10e | 364 | if ((midi_intf == -1) && |
anhtran | 0:e9fd5575b10e | 365 | (intf_class == AUDIO_CLASS) && |
anhtran | 0:e9fd5575b10e | 366 | (intf_subclass == 0x03)) { |
anhtran | 0:e9fd5575b10e | 367 | midi_intf = intf_nb; |
anhtran | 0:e9fd5575b10e | 368 | return true; |
anhtran | 0:e9fd5575b10e | 369 | } |
anhtran | 0:e9fd5575b10e | 370 | |
anhtran | 0:e9fd5575b10e | 371 | // vendor specific device |
anhtran | 0:e9fd5575b10e | 372 | if ((midi_intf == -1) && |
anhtran | 0:e9fd5575b10e | 373 | (intf_class == 0xff) && |
anhtran | 0:e9fd5575b10e | 374 | (intf_subclass == 0x03)) { |
anhtran | 0:e9fd5575b10e | 375 | midi_intf = intf_nb; |
anhtran | 0:e9fd5575b10e | 376 | return true; |
anhtran | 0:e9fd5575b10e | 377 | } |
anhtran | 0:e9fd5575b10e | 378 | |
anhtran | 0:e9fd5575b10e | 379 | return false; |
anhtran | 0:e9fd5575b10e | 380 | } |
anhtran | 0:e9fd5575b10e | 381 | |
anhtran | 0:e9fd5575b10e | 382 | /*virtual*/ bool USBHostMIDI::useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir) //Must return true if the endpoint will be used |
anhtran | 0:e9fd5575b10e | 383 | { |
anhtran | 0:e9fd5575b10e | 384 | if (intf_nb == midi_intf) { |
anhtran | 0:e9fd5575b10e | 385 | if (type == BULK_ENDPOINT) { |
anhtran | 0:e9fd5575b10e | 386 | midi_device_found = true; |
anhtran | 0:e9fd5575b10e | 387 | return true; |
anhtran | 0:e9fd5575b10e | 388 | } |
anhtran | 0:e9fd5575b10e | 389 | } |
anhtran | 0:e9fd5575b10e | 390 | return false; |
anhtran | 0:e9fd5575b10e | 391 | } |
anhtran | 0:e9fd5575b10e | 392 | |
anhtran | 0:e9fd5575b10e | 393 | #endif |