doku newon
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DokuUSBDevice
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Dependents: Peach_AudioChannelDividerAndCompensator
Doku_USBAudio/USBAudio.cpp@61:ff0388dee94f, 2015-10-18 (annotated)
- Committer:
- dokunewon
- Date:
- Sun Oct 18 08:16:03 2015 +0000
- Revision:
- 61:ff0388dee94f
- Parent:
- 60:68924f211e71
Change a little.
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| dokunewon | 60:68924f211e71 | 1 | /* Copyright (c) 2010-2011 mbed.org, MIT License |
| dokunewon | 60:68924f211e71 | 2 | * |
| dokunewon | 60:68924f211e71 | 3 | * Permission is hereby granted, free of charge, to any person obtaining a copy of this software |
| dokunewon | 60:68924f211e71 | 4 | * and associated documentation files (the "Software"), to deal in the Software without |
| dokunewon | 60:68924f211e71 | 5 | * restriction, including without limitation the rights to use, copy, modify, merge, publish, |
| dokunewon | 60:68924f211e71 | 6 | * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the |
| dokunewon | 60:68924f211e71 | 7 | * Software is furnished to do so, subject to the following conditions: |
| dokunewon | 60:68924f211e71 | 8 | * |
| dokunewon | 60:68924f211e71 | 9 | * The above copyright notice and this permission notice shall be included in all copies or |
| dokunewon | 60:68924f211e71 | 10 | * substantial portions of the Software. |
| dokunewon | 60:68924f211e71 | 11 | * |
| dokunewon | 60:68924f211e71 | 12 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING |
| dokunewon | 60:68924f211e71 | 13 | * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| dokunewon | 60:68924f211e71 | 14 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, |
| dokunewon | 60:68924f211e71 | 15 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| dokunewon | 60:68924f211e71 | 16 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| dokunewon | 60:68924f211e71 | 17 | */ |
| dokunewon | 60:68924f211e71 | 18 | |
| dokunewon | 60:68924f211e71 | 19 | #include "stdint.h" |
| dokunewon | 60:68924f211e71 | 20 | #include "USBAudio.h" |
| dokunewon | 60:68924f211e71 | 21 | #include "USBAudio_Types.h" |
| dokunewon | 60:68924f211e71 | 22 | |
| dokunewon | 60:68924f211e71 | 23 | USBAudio::USBAudio(uint32_t frequency_in, uint8_t channel_nb_in, uint32_t frequency_out, uint8_t channel_nb_out, uint16_t vendor_id, uint16_t product_id, uint16_t product_release): USBDevice(vendor_id, product_id, product_release) { |
| dokunewon | 60:68924f211e71 | 24 | mute = 0; |
| dokunewon | 60:68924f211e71 | 25 | volCur = 0x0080; |
| dokunewon | 60:68924f211e71 | 26 | volMin = 0x0000; |
| dokunewon | 60:68924f211e71 | 27 | volMax = 0x0100; |
| dokunewon | 60:68924f211e71 | 28 | volRes = 0x0004; |
| dokunewon | 60:68924f211e71 | 29 | available = false; |
| dokunewon | 60:68924f211e71 | 30 | |
| dokunewon | 60:68924f211e71 | 31 | FREQ_IN = frequency_in; |
| dokunewon | 60:68924f211e71 | 32 | FREQ_OUT = frequency_out; |
| dokunewon | 60:68924f211e71 | 33 | |
| dokunewon | 60:68924f211e71 | 34 | this->channel_nb_in = channel_nb_in; |
| dokunewon | 60:68924f211e71 | 35 | this->channel_nb_out = channel_nb_out; |
| dokunewon | 60:68924f211e71 | 36 | |
| dokunewon | 60:68924f211e71 | 37 | // stereo -> *2, mono -> *1 |
| dokunewon | 60:68924f211e71 | 38 | PACKET_SIZE_ISO_IN = (FREQ_IN / 500) * channel_nb_in; |
| dokunewon | 60:68924f211e71 | 39 | PACKET_SIZE_ISO_OUT = (FREQ_OUT / 500) * channel_nb_out; |
| dokunewon | 60:68924f211e71 | 40 | |
| dokunewon | 60:68924f211e71 | 41 | // STEREO -> left and right |
| dokunewon | 60:68924f211e71 | 42 | channel_config_in = (channel_nb_in == 1) ? CHANNEL_M : CHANNEL_L + CHANNEL_R; |
| dokunewon | 60:68924f211e71 | 43 | channel_config_out = (channel_nb_out == 1) ? CHANNEL_M : CHANNEL_L + CHANNEL_R; |
| dokunewon | 60:68924f211e71 | 44 | |
| dokunewon | 60:68924f211e71 | 45 | SOF_handler = false; |
| dokunewon | 60:68924f211e71 | 46 | |
| dokunewon | 60:68924f211e71 | 47 | buf_stream_out = NULL; |
| dokunewon | 60:68924f211e71 | 48 | buf_stream_in = NULL; |
| dokunewon | 60:68924f211e71 | 49 | |
| dokunewon | 60:68924f211e71 | 50 | interruptOUT = false; |
| dokunewon | 60:68924f211e71 | 51 | writeIN = false; |
| dokunewon | 60:68924f211e71 | 52 | interruptIN = false; |
| dokunewon | 60:68924f211e71 | 53 | available = false; |
| dokunewon | 60:68924f211e71 | 54 | |
| dokunewon | 60:68924f211e71 | 55 | volume = 0; |
| dokunewon | 60:68924f211e71 | 56 | |
| dokunewon | 60:68924f211e71 | 57 | // connect the device |
| dokunewon | 61:ff0388dee94f | 58 | //USBDevice::connect(); //doku |
| dokunewon | 60:68924f211e71 | 59 | } |
| dokunewon | 60:68924f211e71 | 60 | |
| dokunewon | 60:68924f211e71 | 61 | bool USBAudio::read(uint8_t * buf) { |
| dokunewon | 60:68924f211e71 | 62 | buf_stream_in = buf; |
| dokunewon | 60:68924f211e71 | 63 | SOF_handler = false; |
| dokunewon | 60:68924f211e71 | 64 | while (!available || !SOF_handler); |
| dokunewon | 60:68924f211e71 | 65 | available = false; |
| dokunewon | 60:68924f211e71 | 66 | return true; |
| dokunewon | 60:68924f211e71 | 67 | } |
| dokunewon | 60:68924f211e71 | 68 | |
| dokunewon | 60:68924f211e71 | 69 | bool USBAudio::readNB(uint8_t * buf) { |
| dokunewon | 60:68924f211e71 | 70 | buf_stream_in = buf; |
| dokunewon | 60:68924f211e71 | 71 | SOF_handler = false; |
| dokunewon | 60:68924f211e71 | 72 | while (!SOF_handler); |
| dokunewon | 60:68924f211e71 | 73 | if (available) { |
| dokunewon | 60:68924f211e71 | 74 | available = false; |
| dokunewon | 60:68924f211e71 | 75 | buf_stream_in = NULL; |
| dokunewon | 60:68924f211e71 | 76 | return true; |
| dokunewon | 60:68924f211e71 | 77 | } |
| dokunewon | 60:68924f211e71 | 78 | return false; |
| dokunewon | 60:68924f211e71 | 79 | } |
| dokunewon | 60:68924f211e71 | 80 | |
| dokunewon | 60:68924f211e71 | 81 | bool USBAudio::readWrite(uint8_t * buf_read, uint8_t * buf_write) { |
| dokunewon | 60:68924f211e71 | 82 | buf_stream_in = buf_read; |
| dokunewon | 60:68924f211e71 | 83 | SOF_handler = false; |
| dokunewon | 60:68924f211e71 | 84 | writeIN = false; |
| dokunewon | 60:68924f211e71 | 85 | if (interruptIN) { |
| dokunewon | 60:68924f211e71 | 86 | USBDevice::writeNB(EP3IN, buf_write, PACKET_SIZE_ISO_OUT, PACKET_SIZE_ISO_OUT); |
| dokunewon | 60:68924f211e71 | 87 | } else { |
| dokunewon | 60:68924f211e71 | 88 | buf_stream_out = buf_write; |
| dokunewon | 60:68924f211e71 | 89 | } |
| dokunewon | 60:68924f211e71 | 90 | while (!available); |
| dokunewon | 60:68924f211e71 | 91 | if (interruptIN) { |
| dokunewon | 60:68924f211e71 | 92 | while (!writeIN); |
| dokunewon | 60:68924f211e71 | 93 | } |
| dokunewon | 60:68924f211e71 | 94 | while (!SOF_handler); |
| dokunewon | 60:68924f211e71 | 95 | return true; |
| dokunewon | 60:68924f211e71 | 96 | } |
| dokunewon | 60:68924f211e71 | 97 | |
| dokunewon | 60:68924f211e71 | 98 | |
| dokunewon | 60:68924f211e71 | 99 | bool USBAudio::write(uint8_t * buf) { |
| dokunewon | 60:68924f211e71 | 100 | writeIN = false; |
| dokunewon | 60:68924f211e71 | 101 | SOF_handler = false; |
| dokunewon | 60:68924f211e71 | 102 | if (interruptIN) { |
| dokunewon | 60:68924f211e71 | 103 | USBDevice::writeNB(EP3IN, buf, PACKET_SIZE_ISO_OUT, PACKET_SIZE_ISO_OUT); |
| dokunewon | 60:68924f211e71 | 104 | } else { |
| dokunewon | 60:68924f211e71 | 105 | buf_stream_out = buf; |
| dokunewon | 60:68924f211e71 | 106 | } |
| dokunewon | 60:68924f211e71 | 107 | while (!SOF_handler); |
| dokunewon | 60:68924f211e71 | 108 | if (interruptIN) { |
| dokunewon | 60:68924f211e71 | 109 | while (!writeIN); |
| dokunewon | 60:68924f211e71 | 110 | } |
| dokunewon | 60:68924f211e71 | 111 | return true; |
| dokunewon | 60:68924f211e71 | 112 | } |
| dokunewon | 60:68924f211e71 | 113 | |
| dokunewon | 60:68924f211e71 | 114 | |
| dokunewon | 60:68924f211e71 | 115 | float USBAudio::getVolume() { |
| dokunewon | 60:68924f211e71 | 116 | return (mute) ? 0.0 : volume; |
| dokunewon | 60:68924f211e71 | 117 | } |
| dokunewon | 60:68924f211e71 | 118 | |
| dokunewon | 61:ff0388dee94f | 119 | // receive 32k sample of stereo data |
| dokunewon | 61:ff0388dee94f | 120 | int USBAudio::read32k(uint32_t *Buf) |
| dokunewon | 60:68924f211e71 | 121 | { |
| dokunewon | 60:68924f211e71 | 122 | //受信データが準備できてなければ、 |
| dokunewon | 60:68924f211e71 | 123 | if(! m_prbuf) |
| dokunewon | 60:68924f211e71 | 124 | { |
| dokunewon | 61:ff0388dee94f | 125 | return 0; |
| dokunewon | 60:68924f211e71 | 126 | } |
| dokunewon | 60:68924f211e71 | 127 | //受信データが準備できていれば、 |
| dokunewon | 60:68924f211e71 | 128 | else |
| dokunewon | 60:68924f211e71 | 129 | { |
| dokunewon | 60:68924f211e71 | 130 | //データをユーザのバッファへコピーして、 |
| dokunewon | 60:68924f211e71 | 131 | memcpy((uint8_t *)Buf,(uint8_t *)m_prbuf,32768 * 4); |
| dokunewon | 60:68924f211e71 | 132 | //受信データに「準備中」を設定する |
| dokunewon | 60:68924f211e71 | 133 | m_prbuf = NULL; |
| dokunewon | 60:68924f211e71 | 134 | //１（受信完了）を返す |
| dokunewon | 60:68924f211e71 | 135 | return 1; |
| dokunewon | 60:68924f211e71 | 136 | } |
| dokunewon | 60:68924f211e71 | 137 | } |
| dokunewon | 60:68924f211e71 | 138 | |
| dokunewon | 61:ff0388dee94f | 139 | int USBAudio::clear32k() |
| dokunewon | 61:ff0388dee94f | 140 | { |
| dokunewon | 61:ff0388dee94f | 141 | //clear entier buffer |
| dokunewon | 61:ff0388dee94f | 142 | memset((uint8_t *)m_rbuf,0,32768 * 4 * 2); |
| dokunewon | 61:ff0388dee94f | 143 | } |
| dokunewon | 60:68924f211e71 | 144 | |
| dokunewon | 60:68924f211e71 | 145 | bool USBAudio::EPISO_OUT_callback() { |
| dokunewon | 60:68924f211e71 | 146 | int ridx; |
| dokunewon | 60:68924f211e71 | 147 | uint32_t size = 0; |
| dokunewon | 60:68924f211e71 | 148 | |
| dokunewon | 60:68924f211e71 | 149 | interruptOUT = true; |
| dokunewon | 60:68924f211e71 | 150 | |
| dokunewon | 60:68924f211e71 | 151 | readEP(EP3OUT,(uint8_t *)tmpbuf, &size, 192); //PACKET_SIZE_ISO_IN); |
| dokunewon | 60:68924f211e71 | 152 | |
| dokunewon | 60:68924f211e71 | 153 | for(ridx = 0;ridx < 48;ridx++) |
| dokunewon | 60:68924f211e71 | 154 | { |
| dokunewon | 60:68924f211e71 | 155 | m_rbuf[m_widx] = tmpbuf[ridx]; |
| dokunewon | 60:68924f211e71 | 156 | m_widx++; |
| dokunewon | 60:68924f211e71 | 157 | //1st bank full |
| dokunewon | 60:68924f211e71 | 158 | if(m_widx == 32768*1) |
| dokunewon | 60:68924f211e71 | 159 | { |
| dokunewon | 60:68924f211e71 | 160 | //allow 1rd bank |
| dokunewon | 60:68924f211e71 | 161 | m_prbuf = (uint8_t *)(&m_rbuf[32768*0]); |
| dokunewon | 60:68924f211e71 | 162 | } |
| dokunewon | 60:68924f211e71 | 163 | //2nd bank full |
| dokunewon | 60:68924f211e71 | 164 | if(m_widx == 32768*2) |
| dokunewon | 60:68924f211e71 | 165 | { |
| dokunewon | 60:68924f211e71 | 166 | //move write pointer to the top of buffer |
| dokunewon | 60:68924f211e71 | 167 | m_widx = 0; |
| dokunewon | 60:68924f211e71 | 168 | //allow 2nd bank |
| dokunewon | 60:68924f211e71 | 169 | m_prbuf = (uint8_t *)(&m_rbuf[32768*1]); |
| dokunewon | 60:68924f211e71 | 170 | } |
| dokunewon | 60:68924f211e71 | 171 | } |
| dokunewon | 60:68924f211e71 | 172 | available = true; |
| dokunewon | 60:68924f211e71 | 173 | readStart(EP3OUT, 192); |
| dokunewon | 60:68924f211e71 | 174 | return false; |
| dokunewon | 60:68924f211e71 | 175 | } |
| dokunewon | 60:68924f211e71 | 176 | |
| dokunewon | 60:68924f211e71 | 177 | bool USBAudio::EPISO_IN_callback() { |
| dokunewon | 60:68924f211e71 | 178 | interruptIN = true; |
| dokunewon | 60:68924f211e71 | 179 | writeIN = true; |
| dokunewon | 60:68924f211e71 | 180 | return true; |
| dokunewon | 60:68924f211e71 | 181 | } |
| dokunewon | 60:68924f211e71 | 182 | |
| dokunewon | 60:68924f211e71 | 183 | |
| dokunewon | 60:68924f211e71 | 184 | |
| dokunewon | 60:68924f211e71 | 185 | // Called in ISR context on each start of frame |
| dokunewon | 60:68924f211e71 | 186 | void USBAudio::SOF(int frameNumber) { |
| dokunewon | 60:68924f211e71 | 187 | uint32_t size = 0; |
| dokunewon | 60:68924f211e71 | 188 | |
| dokunewon | 60:68924f211e71 | 189 | if (!interruptOUT) { |
| dokunewon | 60:68924f211e71 | 190 | // read the isochronous endpoint |
| dokunewon | 60:68924f211e71 | 191 | if (buf_stream_in != NULL) { |
| dokunewon | 60:68924f211e71 | 192 | if (USBDevice::readEP_NB(EP3OUT, (uint8_t *)buf_stream_in, &size, PACKET_SIZE_ISO_IN)) { |
| dokunewon | 60:68924f211e71 | 193 | if (size) { |
| dokunewon | 60:68924f211e71 | 194 | available = true; |
| dokunewon | 60:68924f211e71 | 195 | readStart(EP3OUT, PACKET_SIZE_ISO_IN); |
| dokunewon | 60:68924f211e71 | 196 | buf_stream_in = NULL; |
| dokunewon | 60:68924f211e71 | 197 | } |
| dokunewon | 60:68924f211e71 | 198 | } |
| dokunewon | 60:68924f211e71 | 199 | } |
| dokunewon | 60:68924f211e71 | 200 | } |
| dokunewon | 60:68924f211e71 | 201 | |
| dokunewon | 60:68924f211e71 | 202 | if (!interruptIN) { |
| dokunewon | 60:68924f211e71 | 203 | // write if needed |
| dokunewon | 60:68924f211e71 | 204 | if (buf_stream_out != NULL) { |
| dokunewon | 60:68924f211e71 | 205 | USBDevice::writeNB(EP3IN, (uint8_t *)buf_stream_out, PACKET_SIZE_ISO_OUT, PACKET_SIZE_ISO_OUT); |
| dokunewon | 60:68924f211e71 | 206 | buf_stream_out = NULL; |
| dokunewon | 60:68924f211e71 | 207 | } |
| dokunewon | 60:68924f211e71 | 208 | } |
| dokunewon | 60:68924f211e71 | 209 | |
| dokunewon | 60:68924f211e71 | 210 | SOF_handler = true; |
| dokunewon | 60:68924f211e71 | 211 | } |
| dokunewon | 60:68924f211e71 | 212 | |
| dokunewon | 60:68924f211e71 | 213 | |
| dokunewon | 60:68924f211e71 | 214 | // Called in ISR context |
| dokunewon | 60:68924f211e71 | 215 | // Set configuration. Return false if the configuration is not supported. |
| dokunewon | 60:68924f211e71 | 216 | bool USBAudio::USBCallback_setConfiguration(uint8_t configuration) { |
| dokunewon | 60:68924f211e71 | 217 | if (configuration != DEFAULT_CONFIGURATION) { |
| dokunewon | 60:68924f211e71 | 218 | return false; |
| dokunewon | 60:68924f211e71 | 219 | } |
| dokunewon | 60:68924f211e71 | 220 | |
| dokunewon | 60:68924f211e71 | 221 | // Configure isochronous endpoint |
| dokunewon | 60:68924f211e71 | 222 | realiseEndpoint(EP3OUT, PACKET_SIZE_ISO_IN, ISOCHRONOUS); |
| dokunewon | 60:68924f211e71 | 223 | realiseEndpoint(EP3IN, PACKET_SIZE_ISO_OUT, ISOCHRONOUS); |
| dokunewon | 60:68924f211e71 | 224 | |
| dokunewon | 60:68924f211e71 | 225 | // activate readings on this endpoint |
| dokunewon | 60:68924f211e71 | 226 | readStart(EP3OUT, PACKET_SIZE_ISO_IN); |
| dokunewon | 60:68924f211e71 | 227 | return true; |
| dokunewon | 60:68924f211e71 | 228 | } |
| dokunewon | 60:68924f211e71 | 229 | |
| dokunewon | 60:68924f211e71 | 230 | |
| dokunewon | 60:68924f211e71 | 231 | // Called in ISR context |
| dokunewon | 60:68924f211e71 | 232 | // Set alternate setting. Return false if the alternate setting is not supported |
| dokunewon | 60:68924f211e71 | 233 | bool USBAudio::USBCallback_setInterface(uint16_t interface, uint8_t alternate) { |
| dokunewon | 60:68924f211e71 | 234 | if (interface == 0 && alternate == 0) { |
| dokunewon | 60:68924f211e71 | 235 | return true; |
| dokunewon | 60:68924f211e71 | 236 | } |
| dokunewon | 60:68924f211e71 | 237 | if (interface == 1 && (alternate == 0 || alternate == 1)) { |
| dokunewon | 60:68924f211e71 | 238 | return true; |
| dokunewon | 60:68924f211e71 | 239 | } |
| dokunewon | 60:68924f211e71 | 240 | if (interface == 2 && (alternate == 0 || alternate == 1)) { |
| dokunewon | 60:68924f211e71 | 241 | return true; |
| dokunewon | 60:68924f211e71 | 242 | } |
| dokunewon | 60:68924f211e71 | 243 | return false; |
| dokunewon | 60:68924f211e71 | 244 | } |
| dokunewon | 60:68924f211e71 | 245 | |
| dokunewon | 60:68924f211e71 | 246 | |
| dokunewon | 60:68924f211e71 | 247 | |
| dokunewon | 60:68924f211e71 | 248 | // Called in ISR context |
| dokunewon | 60:68924f211e71 | 249 | // Called by USBDevice on Endpoint0 request |
| dokunewon | 60:68924f211e71 | 250 | // This is used to handle extensions to standard requests and class specific requests. |
| dokunewon | 60:68924f211e71 | 251 | // Return true if class handles this request |
| dokunewon | 60:68924f211e71 | 252 | bool USBAudio::USBCallback_request() { |
| dokunewon | 60:68924f211e71 | 253 | bool success = false; |
| dokunewon | 60:68924f211e71 | 254 | CONTROL_TRANSFER * transfer = getTransferPtr(); |
| dokunewon | 60:68924f211e71 | 255 | |
| dokunewon | 60:68924f211e71 | 256 | // Process class-specific requests |
| dokunewon | 60:68924f211e71 | 257 | if (transfer->setup.bmRequestType.Type == CLASS_TYPE) { |
| dokunewon | 60:68924f211e71 | 258 | |
| dokunewon | 60:68924f211e71 | 259 | // Feature Unit: Interface = 0, ID = 2 |
| dokunewon | 60:68924f211e71 | 260 | if (transfer->setup.wIndex == 0x0200) { |
| dokunewon | 60:68924f211e71 | 261 | |
| dokunewon | 60:68924f211e71 | 262 | // Master Channel |
| dokunewon | 60:68924f211e71 | 263 | if ((transfer->setup.wValue & 0xff) == 0) { |
| dokunewon | 60:68924f211e71 | 264 | |
| dokunewon | 60:68924f211e71 | 265 | switch (transfer->setup.wValue >> 8) { |
| dokunewon | 60:68924f211e71 | 266 | case MUTE_CONTROL: |
| dokunewon | 60:68924f211e71 | 267 | switch (transfer->setup.bRequest) { |
| dokunewon | 60:68924f211e71 | 268 | case REQUEST_GET_CUR: |
| dokunewon | 60:68924f211e71 | 269 | transfer->remaining = 1; |
| dokunewon | 60:68924f211e71 | 270 | transfer->ptr = &mute; |
| dokunewon | 60:68924f211e71 | 271 | transfer->direction = DEVICE_TO_HOST; |
| dokunewon | 60:68924f211e71 | 272 | success = true; |
| dokunewon | 60:68924f211e71 | 273 | break; |
| dokunewon | 60:68924f211e71 | 274 | |
| dokunewon | 60:68924f211e71 | 275 | case REQUEST_SET_CUR: |
| dokunewon | 60:68924f211e71 | 276 | transfer->remaining = 1; |
| dokunewon | 60:68924f211e71 | 277 | transfer->notify = true; |
| dokunewon | 60:68924f211e71 | 278 | transfer->direction = HOST_TO_DEVICE; |
| dokunewon | 60:68924f211e71 | 279 | success = true; |
| dokunewon | 60:68924f211e71 | 280 | break; |
| dokunewon | 60:68924f211e71 | 281 | default: |
| dokunewon | 60:68924f211e71 | 282 | break; |
| dokunewon | 60:68924f211e71 | 283 | } |
| dokunewon | 60:68924f211e71 | 284 | break; |
| dokunewon | 60:68924f211e71 | 285 | case VOLUME_CONTROL: |
| dokunewon | 60:68924f211e71 | 286 | switch (transfer->setup.bRequest) { |
| dokunewon | 60:68924f211e71 | 287 | case REQUEST_GET_CUR: |
| dokunewon | 60:68924f211e71 | 288 | transfer->remaining = 2; |
| dokunewon | 60:68924f211e71 | 289 | transfer->ptr = (uint8_t *)&volCur; |
| dokunewon | 60:68924f211e71 | 290 | transfer->direction = DEVICE_TO_HOST; |
| dokunewon | 60:68924f211e71 | 291 | success = true; |
| dokunewon | 60:68924f211e71 | 292 | break; |
| dokunewon | 60:68924f211e71 | 293 | case REQUEST_GET_MIN: |
| dokunewon | 60:68924f211e71 | 294 | transfer->remaining = 2; |
| dokunewon | 60:68924f211e71 | 295 | transfer->ptr = (uint8_t *)&volMin; |
| dokunewon | 60:68924f211e71 | 296 | transfer->direction = DEVICE_TO_HOST; |
| dokunewon | 60:68924f211e71 | 297 | success = true; |
| dokunewon | 60:68924f211e71 | 298 | break; |
| dokunewon | 60:68924f211e71 | 299 | case REQUEST_GET_MAX: |
| dokunewon | 60:68924f211e71 | 300 | transfer->remaining = 2; |
| dokunewon | 60:68924f211e71 | 301 | transfer->ptr = (uint8_t *)&volMax; |
| dokunewon | 60:68924f211e71 | 302 | transfer->direction = DEVICE_TO_HOST; |
| dokunewon | 60:68924f211e71 | 303 | success = true; |
| dokunewon | 60:68924f211e71 | 304 | break; |
| dokunewon | 60:68924f211e71 | 305 | case REQUEST_GET_RES: |
| dokunewon | 60:68924f211e71 | 306 | transfer->remaining = 2; |
| dokunewon | 60:68924f211e71 | 307 | transfer->ptr = (uint8_t *)&volRes; |
| dokunewon | 60:68924f211e71 | 308 | transfer->direction = DEVICE_TO_HOST; |
| dokunewon | 60:68924f211e71 | 309 | success = true; |
| dokunewon | 60:68924f211e71 | 310 | break; |
| dokunewon | 60:68924f211e71 | 311 | |
| dokunewon | 60:68924f211e71 | 312 | case REQUEST_SET_CUR: |
| dokunewon | 60:68924f211e71 | 313 | transfer->remaining = 2; |
| dokunewon | 60:68924f211e71 | 314 | transfer->notify = true; |
| dokunewon | 60:68924f211e71 | 315 | transfer->direction = HOST_TO_DEVICE; |
| dokunewon | 60:68924f211e71 | 316 | success = true; |
| dokunewon | 60:68924f211e71 | 317 | break; |
| dokunewon | 60:68924f211e71 | 318 | case REQUEST_SET_MIN: |
| dokunewon | 60:68924f211e71 | 319 | transfer->remaining = 2; |
| dokunewon | 60:68924f211e71 | 320 | transfer->notify = true; |
| dokunewon | 60:68924f211e71 | 321 | transfer->direction = HOST_TO_DEVICE; |
| dokunewon | 60:68924f211e71 | 322 | success = true; |
| dokunewon | 60:68924f211e71 | 323 | break; |
| dokunewon | 60:68924f211e71 | 324 | case REQUEST_SET_MAX: |
| dokunewon | 60:68924f211e71 | 325 | transfer->remaining = 2; |
| dokunewon | 60:68924f211e71 | 326 | transfer->notify = true; |
| dokunewon | 60:68924f211e71 | 327 | transfer->direction = HOST_TO_DEVICE; |
| dokunewon | 60:68924f211e71 | 328 | success = true; |
| dokunewon | 60:68924f211e71 | 329 | break; |
| dokunewon | 60:68924f211e71 | 330 | case REQUEST_SET_RES: |
| dokunewon | 60:68924f211e71 | 331 | transfer->remaining = 2; |
| dokunewon | 60:68924f211e71 | 332 | transfer->notify = true; |
| dokunewon | 60:68924f211e71 | 333 | transfer->direction = HOST_TO_DEVICE; |
| dokunewon | 60:68924f211e71 | 334 | success = true; |
| dokunewon | 60:68924f211e71 | 335 | break; |
| dokunewon | 60:68924f211e71 | 336 | } |
| dokunewon | 60:68924f211e71 | 337 | break; |
| dokunewon | 60:68924f211e71 | 338 | default: |
| dokunewon | 60:68924f211e71 | 339 | break; |
| dokunewon | 60:68924f211e71 | 340 | } |
| dokunewon | 60:68924f211e71 | 341 | } |
| dokunewon | 60:68924f211e71 | 342 | } |
| dokunewon | 60:68924f211e71 | 343 | } |
| dokunewon | 60:68924f211e71 | 344 | return success; |
| dokunewon | 60:68924f211e71 | 345 | } |
| dokunewon | 60:68924f211e71 | 346 | |
| dokunewon | 60:68924f211e71 | 347 | |
| dokunewon | 60:68924f211e71 | 348 | // Called in ISR context when a data OUT stage has been performed |
| dokunewon | 60:68924f211e71 | 349 | void USBAudio::USBCallback_requestCompleted(uint8_t * buf, uint32_t length) { |
| dokunewon | 60:68924f211e71 | 350 | if ((length == 1) || (length == 2)) { |
| dokunewon | 60:68924f211e71 | 351 | uint16_t data = (length == 1) ? *buf : *((uint16_t *)buf); |
| dokunewon | 60:68924f211e71 | 352 | CONTROL_TRANSFER * transfer = getTransferPtr(); |
| dokunewon | 60:68924f211e71 | 353 | switch (transfer->setup.wValue >> 8) { |
| dokunewon | 60:68924f211e71 | 354 | case MUTE_CONTROL: |
| dokunewon | 60:68924f211e71 | 355 | switch (transfer->setup.bRequest) { |
| dokunewon | 60:68924f211e71 | 356 | case REQUEST_SET_CUR: |
| dokunewon | 60:68924f211e71 | 357 | mute = data & 0xff; |
| dokunewon | 60:68924f211e71 | 358 | updateVol.call(); |
| dokunewon | 60:68924f211e71 | 359 | break; |
| dokunewon | 60:68924f211e71 | 360 | default: |
| dokunewon | 60:68924f211e71 | 361 | break; |
| dokunewon | 60:68924f211e71 | 362 | } |
| dokunewon | 60:68924f211e71 | 363 | break; |
| dokunewon | 60:68924f211e71 | 364 | case VOLUME_CONTROL: |
| dokunewon | 60:68924f211e71 | 365 | switch (transfer->setup.bRequest) { |
| dokunewon | 60:68924f211e71 | 366 | case REQUEST_SET_CUR: |
| dokunewon | 60:68924f211e71 | 367 | volCur = data; |
| dokunewon | 60:68924f211e71 | 368 | volume = (float)volCur/(float)volMax; |
| dokunewon | 60:68924f211e71 | 369 | updateVol.call(); |
| dokunewon | 60:68924f211e71 | 370 | break; |
| dokunewon | 60:68924f211e71 | 371 | default: |
| dokunewon | 60:68924f211e71 | 372 | break; |
| dokunewon | 60:68924f211e71 | 373 | } |
| dokunewon | 60:68924f211e71 | 374 | break; |
| dokunewon | 60:68924f211e71 | 375 | default: |
| dokunewon | 60:68924f211e71 | 376 | break; |
| dokunewon | 60:68924f211e71 | 377 | } |
| dokunewon | 60:68924f211e71 | 378 | } |
| dokunewon | 60:68924f211e71 | 379 | } |
| dokunewon | 60:68924f211e71 | 380 | |
| dokunewon | 60:68924f211e71 | 381 | |
| dokunewon | 60:68924f211e71 | 382 | |
| dokunewon | 60:68924f211e71 | 383 | #define TOTAL_DESCRIPTOR_LENGTH ((1 * CONFIGURATION_DESCRIPTOR_LENGTH) \ |
| dokunewon | 60:68924f211e71 | 384 | + (5 * INTERFACE_DESCRIPTOR_LENGTH) \ |
| dokunewon | 60:68924f211e71 | 385 | + (1 * CONTROL_INTERFACE_DESCRIPTOR_LENGTH + 1) \ |
| dokunewon | 60:68924f211e71 | 386 | + (2 * INPUT_TERMINAL_DESCRIPTOR_LENGTH) \ |
| dokunewon | 60:68924f211e71 | 387 | + (1 * FEATURE_UNIT_DESCRIPTOR_LENGTH) \ |
| dokunewon | 60:68924f211e71 | 388 | + (2 * OUTPUT_TERMINAL_DESCRIPTOR_LENGTH) \ |
| dokunewon | 60:68924f211e71 | 389 | + (2 * STREAMING_INTERFACE_DESCRIPTOR_LENGTH) \ |
| dokunewon | 60:68924f211e71 | 390 | + (2 * FORMAT_TYPE_I_DESCRIPTOR_LENGTH) \ |
| dokunewon | 60:68924f211e71 | 391 | + (2 * (ENDPOINT_DESCRIPTOR_LENGTH + 2)) \ |
| dokunewon | 60:68924f211e71 | 392 | + (2 * STREAMING_ENDPOINT_DESCRIPTOR_LENGTH) ) |
| dokunewon | 60:68924f211e71 | 393 | |
| dokunewon | 60:68924f211e71 | 394 | #define TOTAL_CONTROL_INTF_LENGTH (CONTROL_INTERFACE_DESCRIPTOR_LENGTH + 1 + \ |
| dokunewon | 60:68924f211e71 | 395 | 2*INPUT_TERMINAL_DESCRIPTOR_LENGTH + \ |
| dokunewon | 60:68924f211e71 | 396 | FEATURE_UNIT_DESCRIPTOR_LENGTH + \ |
| dokunewon | 60:68924f211e71 | 397 | 2*OUTPUT_TERMINAL_DESCRIPTOR_LENGTH) |
| dokunewon | 60:68924f211e71 | 398 | |
| dokunewon | 60:68924f211e71 | 399 | uint8_t * USBAudio::configurationDesc() { |
| dokunewon | 60:68924f211e71 | 400 | static uint8_t configDescriptor[] = { |
| dokunewon | 60:68924f211e71 | 401 | // Configuration 1 |
| dokunewon | 60:68924f211e71 | 402 | CONFIGURATION_DESCRIPTOR_LENGTH, // bLength |
| dokunewon | 60:68924f211e71 | 403 | CONFIGURATION_DESCRIPTOR, // bDescriptorType |
| dokunewon | 60:68924f211e71 | 404 | LSB(TOTAL_DESCRIPTOR_LENGTH), // wTotalLength (LSB) |
| dokunewon | 60:68924f211e71 | 405 | MSB(TOTAL_DESCRIPTOR_LENGTH), // wTotalLength (MSB) |
| dokunewon | 60:68924f211e71 | 406 | 0x03, // bNumInterfaces |
| dokunewon | 60:68924f211e71 | 407 | DEFAULT_CONFIGURATION, // bConfigurationValue |
| dokunewon | 60:68924f211e71 | 408 | 0x00, // iConfiguration |
| dokunewon | 60:68924f211e71 | 409 | 0x80, // bmAttributes |
| dokunewon | 60:68924f211e71 | 410 | 50, // bMaxPower |
| dokunewon | 60:68924f211e71 | 411 | |
| dokunewon | 60:68924f211e71 | 412 | // Interface 0, Alternate Setting 0, Audio Control |
| dokunewon | 60:68924f211e71 | 413 | INTERFACE_DESCRIPTOR_LENGTH, // bLength |
| dokunewon | 60:68924f211e71 | 414 | INTERFACE_DESCRIPTOR, // bDescriptorType |
| dokunewon | 60:68924f211e71 | 415 | 0x00, // bInterfaceNumber |
| dokunewon | 60:68924f211e71 | 416 | 0x00, // bAlternateSetting |
| dokunewon | 60:68924f211e71 | 417 | 0x00, // bNumEndpoints |
| dokunewon | 60:68924f211e71 | 418 | AUDIO_CLASS, // bInterfaceClass |
| dokunewon | 60:68924f211e71 | 419 | SUBCLASS_AUDIOCONTROL, // bInterfaceSubClass |
| dokunewon | 60:68924f211e71 | 420 | 0x00, // bInterfaceProtocol |
| dokunewon | 60:68924f211e71 | 421 | 0x00, // iInterface |
| dokunewon | 60:68924f211e71 | 422 | |
| dokunewon | 60:68924f211e71 | 423 | |
| dokunewon | 60:68924f211e71 | 424 | // Audio Control Interface |
| dokunewon | 60:68924f211e71 | 425 | CONTROL_INTERFACE_DESCRIPTOR_LENGTH + 1,// bLength |
| dokunewon | 60:68924f211e71 | 426 | INTERFACE_DESCRIPTOR_TYPE, // bDescriptorType |
| dokunewon | 60:68924f211e71 | 427 | CONTROL_HEADER, // bDescriptorSubtype |
| dokunewon | 60:68924f211e71 | 428 | LSB(0x0100), // bcdADC (LSB) |
| dokunewon | 60:68924f211e71 | 429 | MSB(0x0100), // bcdADC (MSB) |
| dokunewon | 60:68924f211e71 | 430 | LSB(TOTAL_CONTROL_INTF_LENGTH), // wTotalLength |
| dokunewon | 60:68924f211e71 | 431 | MSB(TOTAL_CONTROL_INTF_LENGTH), // wTotalLength |
| dokunewon | 60:68924f211e71 | 432 | 0x02, // bInCollection |
| dokunewon | 60:68924f211e71 | 433 | 0x01, // baInterfaceNr |
| dokunewon | 60:68924f211e71 | 434 | 0x02, // baInterfaceNr |
| dokunewon | 60:68924f211e71 | 435 | |
| dokunewon | 60:68924f211e71 | 436 | // Audio Input Terminal (Speaker) |
| dokunewon | 60:68924f211e71 | 437 | INPUT_TERMINAL_DESCRIPTOR_LENGTH, // bLength |
| dokunewon | 60:68924f211e71 | 438 | INTERFACE_DESCRIPTOR_TYPE, // bDescriptorType |
| dokunewon | 60:68924f211e71 | 439 | CONTROL_INPUT_TERMINAL, // bDescriptorSubtype |
| dokunewon | 60:68924f211e71 | 440 | 0x01, // bTerminalID |
| dokunewon | 60:68924f211e71 | 441 | LSB(TERMINAL_USB_STREAMING), // wTerminalType |
| dokunewon | 60:68924f211e71 | 442 | MSB(TERMINAL_USB_STREAMING), // wTerminalType |
| dokunewon | 60:68924f211e71 | 443 | 0x00, // bAssocTerminal |
| dokunewon | 60:68924f211e71 | 444 | channel_nb_in, // bNrChannels |
| dokunewon | 60:68924f211e71 | 445 | (uint8_t)(LSB(channel_config_in)), // wChannelConfig |
| dokunewon | 60:68924f211e71 | 446 | (uint8_t)(MSB(channel_config_in)), // wChannelConfig |
| dokunewon | 60:68924f211e71 | 447 | 0x00, // iChannelNames |
| dokunewon | 60:68924f211e71 | 448 | 0x00, // iTerminal |
| dokunewon | 60:68924f211e71 | 449 | |
| dokunewon | 60:68924f211e71 | 450 | // Audio Feature Unit (Speaker) |
| dokunewon | 60:68924f211e71 | 451 | FEATURE_UNIT_DESCRIPTOR_LENGTH, // bLength |
| dokunewon | 60:68924f211e71 | 452 | INTERFACE_DESCRIPTOR_TYPE, // bDescriptorType |
| dokunewon | 60:68924f211e71 | 453 | CONTROL_FEATURE_UNIT, // bDescriptorSubtype |
| dokunewon | 60:68924f211e71 | 454 | 0x02, // bUnitID |
| dokunewon | 60:68924f211e71 | 455 | 0x01, // bSourceID |
| dokunewon | 60:68924f211e71 | 456 | 0x01, // bControlSize |
| dokunewon | 60:68924f211e71 | 457 | CONTROL_MUTE | |
| dokunewon | 60:68924f211e71 | 458 | CONTROL_VOLUME, // bmaControls(0) |
| dokunewon | 60:68924f211e71 | 459 | 0x00, // bmaControls(1) |
| dokunewon | 60:68924f211e71 | 460 | 0x00, // iTerminal |
| dokunewon | 60:68924f211e71 | 461 | |
| dokunewon | 60:68924f211e71 | 462 | // Audio Output Terminal (Speaker) |
| dokunewon | 60:68924f211e71 | 463 | OUTPUT_TERMINAL_DESCRIPTOR_LENGTH, // bLength |
| dokunewon | 60:68924f211e71 | 464 | INTERFACE_DESCRIPTOR_TYPE, // bDescriptorType |
| dokunewon | 60:68924f211e71 | 465 | CONTROL_OUTPUT_TERMINAL, // bDescriptorSubtype |
| dokunewon | 60:68924f211e71 | 466 | 0x03, // bTerminalID |
| dokunewon | 60:68924f211e71 | 467 | LSB(TERMINAL_SPEAKER), // wTerminalType |
| dokunewon | 60:68924f211e71 | 468 | MSB(TERMINAL_SPEAKER), // wTerminalType |
| dokunewon | 60:68924f211e71 | 469 | 0x00, // bAssocTerminal |
| dokunewon | 60:68924f211e71 | 470 | 0x02, // bSourceID |
| dokunewon | 60:68924f211e71 | 471 | 0x00, // iTerminal |
| dokunewon | 60:68924f211e71 | 472 | |
| dokunewon | 60:68924f211e71 | 473 | |
| dokunewon | 60:68924f211e71 | 474 | // Audio Input Terminal (Microphone) |
| dokunewon | 60:68924f211e71 | 475 | INPUT_TERMINAL_DESCRIPTOR_LENGTH, // bLength |
| dokunewon | 60:68924f211e71 | 476 | INTERFACE_DESCRIPTOR_TYPE, // bDescriptorType |
| dokunewon | 60:68924f211e71 | 477 | CONTROL_INPUT_TERMINAL, // bDescriptorSubtype |
| dokunewon | 60:68924f211e71 | 478 | 0x04, // bTerminalID |
| dokunewon | 60:68924f211e71 | 479 | LSB(TERMINAL_MICROPHONE), // wTerminalType |
| dokunewon | 60:68924f211e71 | 480 | MSB(TERMINAL_MICROPHONE), // wTerminalType |
| dokunewon | 60:68924f211e71 | 481 | 0x00, // bAssocTerminal |
| dokunewon | 60:68924f211e71 | 482 | channel_nb_out, // bNrChannels |
| dokunewon | 60:68924f211e71 | 483 | (uint8_t)(LSB(channel_config_out)), // wChannelConfig |
| dokunewon | 60:68924f211e71 | 484 | (uint8_t)(MSB(channel_config_out)), // wChannelConfig |
| dokunewon | 60:68924f211e71 | 485 | 0x00, // iChannelNames |
| dokunewon | 60:68924f211e71 | 486 | 0x00, // iTerminal |
| dokunewon | 60:68924f211e71 | 487 | |
| dokunewon | 60:68924f211e71 | 488 | // Audio Output Terminal (Microphone) |
| dokunewon | 60:68924f211e71 | 489 | OUTPUT_TERMINAL_DESCRIPTOR_LENGTH, // bLength |
| dokunewon | 60:68924f211e71 | 490 | INTERFACE_DESCRIPTOR_TYPE, // bDescriptorType |
| dokunewon | 60:68924f211e71 | 491 | CONTROL_OUTPUT_TERMINAL, // bDescriptorSubtype |
| dokunewon | 60:68924f211e71 | 492 | 0x05, // bTerminalID |
| dokunewon | 60:68924f211e71 | 493 | LSB(TERMINAL_USB_STREAMING), // wTerminalType |
| dokunewon | 60:68924f211e71 | 494 | MSB(TERMINAL_USB_STREAMING), // wTerminalType |
| dokunewon | 60:68924f211e71 | 495 | 0x00, // bAssocTerminal |
| dokunewon | 60:68924f211e71 | 496 | 0x04, // bSourceID |
| dokunewon | 60:68924f211e71 | 497 | 0x00, // iTerminal |
| dokunewon | 60:68924f211e71 | 498 | |
| dokunewon | 60:68924f211e71 | 499 | |
| dokunewon | 60:68924f211e71 | 500 | |
| dokunewon | 60:68924f211e71 | 501 | |
| dokunewon | 60:68924f211e71 | 502 | |
| dokunewon | 60:68924f211e71 | 503 | |
| dokunewon | 60:68924f211e71 | 504 | // Interface 1, Alternate Setting 0, Audio Streaming - Zero Bandwith |
| dokunewon | 60:68924f211e71 | 505 | INTERFACE_DESCRIPTOR_LENGTH, // bLength |
| dokunewon | 60:68924f211e71 | 506 | INTERFACE_DESCRIPTOR, // bDescriptorType |
| dokunewon | 60:68924f211e71 | 507 | 0x01, // bInterfaceNumber |
| dokunewon | 60:68924f211e71 | 508 | 0x00, // bAlternateSetting |
| dokunewon | 60:68924f211e71 | 509 | 0x00, // bNumEndpoints |
| dokunewon | 60:68924f211e71 | 510 | AUDIO_CLASS, // bInterfaceClass |
| dokunewon | 60:68924f211e71 | 511 | SUBCLASS_AUDIOSTREAMING, // bInterfaceSubClass |
| dokunewon | 60:68924f211e71 | 512 | 0x00, // bInterfaceProtocol |
| dokunewon | 60:68924f211e71 | 513 | 0x00, // iInterface |
| dokunewon | 60:68924f211e71 | 514 | |
| dokunewon | 60:68924f211e71 | 515 | // Interface 1, Alternate Setting 1, Audio Streaming - Operational |
| dokunewon | 60:68924f211e71 | 516 | INTERFACE_DESCRIPTOR_LENGTH, // bLength |
| dokunewon | 60:68924f211e71 | 517 | INTERFACE_DESCRIPTOR, // bDescriptorType |
| dokunewon | 60:68924f211e71 | 518 | 0x01, // bInterfaceNumber |
| dokunewon | 60:68924f211e71 | 519 | 0x01, // bAlternateSetting |
| dokunewon | 60:68924f211e71 | 520 | 0x01, // bNumEndpoints |
| dokunewon | 60:68924f211e71 | 521 | AUDIO_CLASS, // bInterfaceClass |
| dokunewon | 60:68924f211e71 | 522 | SUBCLASS_AUDIOSTREAMING, // bInterfaceSubClass |
| dokunewon | 60:68924f211e71 | 523 | 0x00, // bInterfaceProtocol |
| dokunewon | 60:68924f211e71 | 524 | 0x00, // iInterface |
| dokunewon | 60:68924f211e71 | 525 | |
| dokunewon | 60:68924f211e71 | 526 | // Audio Streaming Interface |
| dokunewon | 60:68924f211e71 | 527 | STREAMING_INTERFACE_DESCRIPTOR_LENGTH, // bLength |
| dokunewon | 60:68924f211e71 | 528 | INTERFACE_DESCRIPTOR_TYPE, // bDescriptorType |
| dokunewon | 60:68924f211e71 | 529 | STREAMING_GENERAL, // bDescriptorSubtype |
| dokunewon | 60:68924f211e71 | 530 | 0x01, // bTerminalLink |
| dokunewon | 60:68924f211e71 | 531 | 0x00, // bDelay |
| dokunewon | 60:68924f211e71 | 532 | LSB(FORMAT_PCM), // wFormatTag |
| dokunewon | 60:68924f211e71 | 533 | MSB(FORMAT_PCM), // wFormatTag |
| dokunewon | 60:68924f211e71 | 534 | |
| dokunewon | 60:68924f211e71 | 535 | // Audio Type I Format |
| dokunewon | 60:68924f211e71 | 536 | FORMAT_TYPE_I_DESCRIPTOR_LENGTH, // bLength |
| dokunewon | 60:68924f211e71 | 537 | INTERFACE_DESCRIPTOR_TYPE, // bDescriptorType |
| dokunewon | 60:68924f211e71 | 538 | STREAMING_FORMAT_TYPE, // bDescriptorSubtype |
| dokunewon | 60:68924f211e71 | 539 | FORMAT_TYPE_I, // bFormatType |
| dokunewon | 60:68924f211e71 | 540 | channel_nb_in, // bNrChannels |
| dokunewon | 60:68924f211e71 | 541 | 0x02, // bSubFrameSize |
| dokunewon | 60:68924f211e71 | 542 | 16, // bBitResolution |
| dokunewon | 60:68924f211e71 | 543 | 0x01, // bSamFreqType |
| dokunewon | 60:68924f211e71 | 544 | (uint8_t)(LSB(FREQ_IN)), // tSamFreq |
| dokunewon | 60:68924f211e71 | 545 | (uint8_t)((FREQ_IN >> 8) & 0xff), // tSamFreq |
| dokunewon | 60:68924f211e71 | 546 | (uint8_t)((FREQ_IN >> 16) & 0xff), // tSamFreq |
| dokunewon | 60:68924f211e71 | 547 | |
| dokunewon | 60:68924f211e71 | 548 | // Endpoint - Standard Descriptor |
| dokunewon | 60:68924f211e71 | 549 | ENDPOINT_DESCRIPTOR_LENGTH + 2, // bLength |
| dokunewon | 60:68924f211e71 | 550 | ENDPOINT_DESCRIPTOR, // bDescriptorType |
| dokunewon | 60:68924f211e71 | 551 | PHY_TO_DESC(EPISO_OUT), // bEndpointAddress |
| dokunewon | 60:68924f211e71 | 552 | E_ISOCHRONOUS, // bmAttributes |
| dokunewon | 60:68924f211e71 | 553 | (uint8_t)(LSB(PACKET_SIZE_ISO_IN)), // wMaxPacketSize |
| dokunewon | 60:68924f211e71 | 554 | (uint8_t)(MSB(PACKET_SIZE_ISO_IN)), // wMaxPacketSize |
| dokunewon | 60:68924f211e71 | 555 | 0x01, // bInterval |
| dokunewon | 60:68924f211e71 | 556 | 0x00, // bRefresh |
| dokunewon | 60:68924f211e71 | 557 | 0x00, // bSynchAddress |
| dokunewon | 60:68924f211e71 | 558 | |
| dokunewon | 60:68924f211e71 | 559 | // Endpoint - Audio Streaming |
| dokunewon | 60:68924f211e71 | 560 | STREAMING_ENDPOINT_DESCRIPTOR_LENGTH, // bLength |
| dokunewon | 60:68924f211e71 | 561 | ENDPOINT_DESCRIPTOR_TYPE, // bDescriptorType |
| dokunewon | 60:68924f211e71 | 562 | ENDPOINT_GENERAL, // bDescriptor |
| dokunewon | 60:68924f211e71 | 563 | 0x00, // bmAttributes |
| dokunewon | 60:68924f211e71 | 564 | 0x00, // bLockDelayUnits |
| dokunewon | 60:68924f211e71 | 565 | LSB(0x0000), // wLockDelay |
| dokunewon | 60:68924f211e71 | 566 | MSB(0x0000), // wLockDelay |
| dokunewon | 60:68924f211e71 | 567 | |
| dokunewon | 60:68924f211e71 | 568 | |
| dokunewon | 60:68924f211e71 | 569 | |
| dokunewon | 60:68924f211e71 | 570 | |
| dokunewon | 60:68924f211e71 | 571 | |
| dokunewon | 60:68924f211e71 | 572 | |
| dokunewon | 60:68924f211e71 | 573 | |
| dokunewon | 60:68924f211e71 | 574 | // Interface 1, Alternate Setting 0, Audio Streaming - Zero Bandwith |
| dokunewon | 60:68924f211e71 | 575 | INTERFACE_DESCRIPTOR_LENGTH, // bLength |
| dokunewon | 60:68924f211e71 | 576 | INTERFACE_DESCRIPTOR, // bDescriptorType |
| dokunewon | 60:68924f211e71 | 577 | 0x02, // bInterfaceNumber |
| dokunewon | 60:68924f211e71 | 578 | 0x00, // bAlternateSetting |
| dokunewon | 60:68924f211e71 | 579 | 0x00, // bNumEndpoints |
| dokunewon | 60:68924f211e71 | 580 | AUDIO_CLASS, // bInterfaceClass |
| dokunewon | 60:68924f211e71 | 581 | SUBCLASS_AUDIOSTREAMING, // bInterfaceSubClass |
| dokunewon | 60:68924f211e71 | 582 | 0x00, // bInterfaceProtocol |
| dokunewon | 60:68924f211e71 | 583 | 0x00, // iInterface |
| dokunewon | 60:68924f211e71 | 584 | |
| dokunewon | 60:68924f211e71 | 585 | // Interface 1, Alternate Setting 1, Audio Streaming - Operational |
| dokunewon | 60:68924f211e71 | 586 | INTERFACE_DESCRIPTOR_LENGTH, // bLength |
| dokunewon | 60:68924f211e71 | 587 | INTERFACE_DESCRIPTOR, // bDescriptorType |
| dokunewon | 60:68924f211e71 | 588 | 0x02, // bInterfaceNumber |
| dokunewon | 60:68924f211e71 | 589 | 0x01, // bAlternateSetting |
| dokunewon | 60:68924f211e71 | 590 | 0x01, // bNumEndpoints |
| dokunewon | 60:68924f211e71 | 591 | AUDIO_CLASS, // bInterfaceClass |
| dokunewon | 60:68924f211e71 | 592 | SUBCLASS_AUDIOSTREAMING, // bInterfaceSubClass |
| dokunewon | 60:68924f211e71 | 593 | 0x00, // bInterfaceProtocol |
| dokunewon | 60:68924f211e71 | 594 | 0x00, // iInterface |
| dokunewon | 60:68924f211e71 | 595 | |
| dokunewon | 60:68924f211e71 | 596 | // Audio Streaming Interface |
| dokunewon | 60:68924f211e71 | 597 | STREAMING_INTERFACE_DESCRIPTOR_LENGTH, // bLength |
| dokunewon | 60:68924f211e71 | 598 | INTERFACE_DESCRIPTOR_TYPE, // bDescriptorType |
| dokunewon | 60:68924f211e71 | 599 | SUBCLASS_AUDIOCONTROL, // bDescriptorSubtype |
| dokunewon | 60:68924f211e71 | 600 | 0x05, // bTerminalLink (output terminal microphone) |
| dokunewon | 60:68924f211e71 | 601 | 0x01, // bDelay |
| dokunewon | 60:68924f211e71 | 602 | 0x01, // wFormatTag |
| dokunewon | 60:68924f211e71 | 603 | 0x00, // wFormatTag |
| dokunewon | 60:68924f211e71 | 604 | |
| dokunewon | 60:68924f211e71 | 605 | // Audio Type I Format |
| dokunewon | 60:68924f211e71 | 606 | FORMAT_TYPE_I_DESCRIPTOR_LENGTH, // bLength |
| dokunewon | 60:68924f211e71 | 607 | INTERFACE_DESCRIPTOR_TYPE, // bDescriptorType |
| dokunewon | 60:68924f211e71 | 608 | SUBCLASS_AUDIOSTREAMING, // bDescriptorSubtype |
| dokunewon | 60:68924f211e71 | 609 | FORMAT_TYPE_I, // bFormatType |
| dokunewon | 60:68924f211e71 | 610 | channel_nb_out, // bNrChannels |
| dokunewon | 60:68924f211e71 | 611 | 0x02, // bSubFrameSize |
| dokunewon | 60:68924f211e71 | 612 | 0x10, // bBitResolution |
| dokunewon | 60:68924f211e71 | 613 | 0x01, // bSamFreqType |
| dokunewon | 60:68924f211e71 | 614 | (uint8_t)(LSB(FREQ_OUT)), // tSamFreq |
| dokunewon | 60:68924f211e71 | 615 | (uint8_t)((FREQ_OUT >> 8) & 0xff), // tSamFreq |
| dokunewon | 60:68924f211e71 | 616 | (uint8_t)((FREQ_OUT >> 16) & 0xff), // tSamFreq |
| dokunewon | 60:68924f211e71 | 617 | |
| dokunewon | 60:68924f211e71 | 618 | // Endpoint - Standard Descriptor |
| dokunewon | 60:68924f211e71 | 619 | ENDPOINT_DESCRIPTOR_LENGTH + 2, // bLength |
| dokunewon | 60:68924f211e71 | 620 | ENDPOINT_DESCRIPTOR, // bDescriptorType |
| dokunewon | 60:68924f211e71 | 621 | PHY_TO_DESC(EPISO_IN), // bEndpointAddress |
| dokunewon | 60:68924f211e71 | 622 | E_ISOCHRONOUS, // bmAttributes |
| dokunewon | 60:68924f211e71 | 623 | (uint8_t)(LSB(PACKET_SIZE_ISO_OUT)), // wMaxPacketSize |
| dokunewon | 60:68924f211e71 | 624 | (uint8_t)(MSB(PACKET_SIZE_ISO_OUT)), // wMaxPacketSize |
| dokunewon | 60:68924f211e71 | 625 | 0x01, // bInterval |
| dokunewon | 60:68924f211e71 | 626 | 0x00, // bRefresh |
| dokunewon | 60:68924f211e71 | 627 | 0x00, // bSynchAddress |
| dokunewon | 60:68924f211e71 | 628 | |
| dokunewon | 60:68924f211e71 | 629 | // Endpoint - Audio Streaming |
| dokunewon | 60:68924f211e71 | 630 | STREAMING_ENDPOINT_DESCRIPTOR_LENGTH, // bLength |
| dokunewon | 60:68924f211e71 | 631 | ENDPOINT_DESCRIPTOR_TYPE, // bDescriptorType |
| dokunewon | 60:68924f211e71 | 632 | ENDPOINT_GENERAL, // bDescriptor |
| dokunewon | 60:68924f211e71 | 633 | 0x00, // bmAttributes |
| dokunewon | 60:68924f211e71 | 634 | 0x00, // bLockDelayUnits |
| dokunewon | 60:68924f211e71 | 635 | LSB(0x0000), // wLockDelay |
| dokunewon | 60:68924f211e71 | 636 | MSB(0x0000), // wLockDelay |
| dokunewon | 60:68924f211e71 | 637 | |
| dokunewon | 60:68924f211e71 | 638 | // Terminator |
| dokunewon | 60:68924f211e71 | 639 | 0 // bLength |
| dokunewon | 60:68924f211e71 | 640 | }; |
| dokunewon | 60:68924f211e71 | 641 | return configDescriptor; |
| dokunewon | 60:68924f211e71 | 642 | } |
| dokunewon | 60:68924f211e71 | 643 | |
| dokunewon | 60:68924f211e71 | 644 | uint8_t * USBAudio::stringIinterfaceDesc() { |
| dokunewon | 60:68924f211e71 | 645 | static uint8_t stringIinterfaceDescriptor[] = { |
| dokunewon | 60:68924f211e71 | 646 | 0x0c, //bLength |
| dokunewon | 60:68924f211e71 | 647 | STRING_DESCRIPTOR, //bDescriptorType 0x03 |
| dokunewon | 60:68924f211e71 | 648 | 'A',0,'u',0,'d',0,'i',0,'o',0 //bString iInterface - Audio |
| dokunewon | 60:68924f211e71 | 649 | }; |
| dokunewon | 60:68924f211e71 | 650 | return stringIinterfaceDescriptor; |
| dokunewon | 60:68924f211e71 | 651 | } |
| dokunewon | 60:68924f211e71 | 652 | |
| dokunewon | 60:68924f211e71 | 653 | uint8_t * USBAudio::stringIproductDesc() { |
| dokunewon | 60:68924f211e71 | 654 | static uint8_t stringIproductDescriptor[] = { |
| dokunewon | 60:68924f211e71 | 655 | 0x16, //bLength |
| dokunewon | 60:68924f211e71 | 656 | STRING_DESCRIPTOR, //bDescriptorType 0x03 |
| dokunewon | 60:68924f211e71 | 657 | 'M',0,'b',0,'e',0,'d',0,' ',0,'A',0,'u',0,'d',0,'i',0,'o',0 //bString iProduct - Mbed Audio |
| dokunewon | 60:68924f211e71 | 658 | }; |
| dokunewon | 60:68924f211e71 | 659 | return stringIproductDescriptor; |
| dokunewon | 60:68924f211e71 | 660 | } |