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Dependencies:   mbed

USBDevice/USBMSD/USBMSD.cpp@0:579ea43fbe6d, 2021-03-17 (annotated)

Committer:
rmiyatake
Date:
Wed Mar 17 23:03:30 2021 +0000
Revision:
0:579ea43fbe6d
rev1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
rmiyatake 0:579ea43fbe6d 1 /* Copyright (c) 2010-2011 mbed.org, MIT License
rmiyatake 0:579ea43fbe6d 2 *
rmiyatake 0:579ea43fbe6d 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
rmiyatake 0:579ea43fbe6d 4 * and associated documentation files (the "Software"), to deal in the Software without
rmiyatake 0:579ea43fbe6d 5 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
rmiyatake 0:579ea43fbe6d 6 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
rmiyatake 0:579ea43fbe6d 7 * Software is furnished to do so, subject to the following conditions:
rmiyatake 0:579ea43fbe6d 8 *
rmiyatake 0:579ea43fbe6d 9 * The above copyright notice and this permission notice shall be included in all copies or
rmiyatake 0:579ea43fbe6d 10 * substantial portions of the Software.
rmiyatake 0:579ea43fbe6d 11 *
rmiyatake 0:579ea43fbe6d 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
rmiyatake 0:579ea43fbe6d 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
rmiyatake 0:579ea43fbe6d 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
rmiyatake 0:579ea43fbe6d 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
rmiyatake 0:579ea43fbe6d 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
rmiyatake 0:579ea43fbe6d 17 */
rmiyatake 0:579ea43fbe6d 18
rmiyatake 0:579ea43fbe6d 19 #include "stdint.h"
rmiyatake 0:579ea43fbe6d 20 #include "USBMSD.h"
rmiyatake 0:579ea43fbe6d 21
rmiyatake 0:579ea43fbe6d 22 #define DISK_OK 0x00
rmiyatake 0:579ea43fbe6d 23 #define NO_INIT 0x01
rmiyatake 0:579ea43fbe6d 24 #define NO_DISK 0x02
rmiyatake 0:579ea43fbe6d 25 #define WRITE_PROTECT 0x04
rmiyatake 0:579ea43fbe6d 26
rmiyatake 0:579ea43fbe6d 27 #define CBW_Signature 0x43425355
rmiyatake 0:579ea43fbe6d 28 #define CSW_Signature 0x53425355
rmiyatake 0:579ea43fbe6d 29
rmiyatake 0:579ea43fbe6d 30 // SCSI Commands
rmiyatake 0:579ea43fbe6d 31 #define TEST_UNIT_READY 0x00
rmiyatake 0:579ea43fbe6d 32 #define REQUEST_SENSE 0x03
rmiyatake 0:579ea43fbe6d 33 #define FORMAT_UNIT 0x04
rmiyatake 0:579ea43fbe6d 34 #define INQUIRY 0x12
rmiyatake 0:579ea43fbe6d 35 #define MODE_SELECT6 0x15
rmiyatake 0:579ea43fbe6d 36 #define MODE_SENSE6 0x1A
rmiyatake 0:579ea43fbe6d 37 #define START_STOP_UNIT 0x1B
rmiyatake 0:579ea43fbe6d 38 #define MEDIA_REMOVAL 0x1E
rmiyatake 0:579ea43fbe6d 39 #define READ_FORMAT_CAPACITIES 0x23
rmiyatake 0:579ea43fbe6d 40 #define READ_CAPACITY 0x25
rmiyatake 0:579ea43fbe6d 41 #define READ10 0x28
rmiyatake 0:579ea43fbe6d 42 #define WRITE10 0x2A
rmiyatake 0:579ea43fbe6d 43 #define VERIFY10 0x2F
rmiyatake 0:579ea43fbe6d 44 #define READ12 0xA8
rmiyatake 0:579ea43fbe6d 45 #define WRITE12 0xAA
rmiyatake 0:579ea43fbe6d 46 #define MODE_SELECT10 0x55
rmiyatake 0:579ea43fbe6d 47 #define MODE_SENSE10 0x5A
rmiyatake 0:579ea43fbe6d 48
rmiyatake 0:579ea43fbe6d 49 // MSC class specific requests
rmiyatake 0:579ea43fbe6d 50 #define MSC_REQUEST_RESET 0xFF
rmiyatake 0:579ea43fbe6d 51 #define MSC_REQUEST_GET_MAX_LUN 0xFE
rmiyatake 0:579ea43fbe6d 52
rmiyatake 0:579ea43fbe6d 53 #define DEFAULT_CONFIGURATION (1)
rmiyatake 0:579ea43fbe6d 54
rmiyatake 0:579ea43fbe6d 55 // max packet size
rmiyatake 0:579ea43fbe6d 56 #define MAX_PACKET MAX_PACKET_SIZE_EPBULK
rmiyatake 0:579ea43fbe6d 57
rmiyatake 0:579ea43fbe6d 58 // CSW Status
rmiyatake 0:579ea43fbe6d 59 enum Status {
rmiyatake 0:579ea43fbe6d 60 CSW_PASSED,
rmiyatake 0:579ea43fbe6d 61 CSW_FAILED,
rmiyatake 0:579ea43fbe6d 62 CSW_ERROR,
rmiyatake 0:579ea43fbe6d 63 };
rmiyatake 0:579ea43fbe6d 64
rmiyatake 0:579ea43fbe6d 65
rmiyatake 0:579ea43fbe6d 66 USBMSD::USBMSD(uint16_t vendor_id, uint16_t product_id, uint16_t product_release): USBDevice(vendor_id, product_id, product_release) {
rmiyatake 0:579ea43fbe6d 67 stage = READ_CBW;
rmiyatake 0:579ea43fbe6d 68 memset((void *)&cbw, 0, sizeof(CBW));
rmiyatake 0:579ea43fbe6d 69 memset((void *)&csw, 0, sizeof(CSW));
rmiyatake 0:579ea43fbe6d 70 page = NULL;
rmiyatake 0:579ea43fbe6d 71 }
rmiyatake 0:579ea43fbe6d 72
rmiyatake 0:579ea43fbe6d 73 USBMSD::~USBMSD() {
rmiyatake 0:579ea43fbe6d 74 disconnect();
rmiyatake 0:579ea43fbe6d 75 }
rmiyatake 0:579ea43fbe6d 76
rmiyatake 0:579ea43fbe6d 77
rmiyatake 0:579ea43fbe6d 78 // Called in ISR context to process a class specific request
rmiyatake 0:579ea43fbe6d 79 bool USBMSD::USBCallback_request(void) {
rmiyatake 0:579ea43fbe6d 80
rmiyatake 0:579ea43fbe6d 81 bool success = false;
rmiyatake 0:579ea43fbe6d 82 CONTROL_TRANSFER * transfer = getTransferPtr();
rmiyatake 0:579ea43fbe6d 83 static uint8_t maxLUN[1] = {0};
rmiyatake 0:579ea43fbe6d 84
rmiyatake 0:579ea43fbe6d 85 if (transfer->setup.bmRequestType.Type == CLASS_TYPE) {
rmiyatake 0:579ea43fbe6d 86 switch (transfer->setup.bRequest) {
rmiyatake 0:579ea43fbe6d 87 case MSC_REQUEST_RESET:
rmiyatake 0:579ea43fbe6d 88 reset();
rmiyatake 0:579ea43fbe6d 89 success = true;
rmiyatake 0:579ea43fbe6d 90 break;
rmiyatake 0:579ea43fbe6d 91 case MSC_REQUEST_GET_MAX_LUN:
rmiyatake 0:579ea43fbe6d 92 transfer->remaining = 1;
rmiyatake 0:579ea43fbe6d 93 transfer->ptr = maxLUN;
rmiyatake 0:579ea43fbe6d 94 transfer->direction = DEVICE_TO_HOST;
rmiyatake 0:579ea43fbe6d 95 success = true;
rmiyatake 0:579ea43fbe6d 96 break;
rmiyatake 0:579ea43fbe6d 97 default:
rmiyatake 0:579ea43fbe6d 98 break;
rmiyatake 0:579ea43fbe6d 99 }
rmiyatake 0:579ea43fbe6d 100 }
rmiyatake 0:579ea43fbe6d 101
rmiyatake 0:579ea43fbe6d 102 return success;
rmiyatake 0:579ea43fbe6d 103 }
rmiyatake 0:579ea43fbe6d 104
rmiyatake 0:579ea43fbe6d 105
rmiyatake 0:579ea43fbe6d 106 bool USBMSD::connect(bool blocking) {
rmiyatake 0:579ea43fbe6d 107 //disk initialization
rmiyatake 0:579ea43fbe6d 108 if (disk_status() & NO_INIT) {
rmiyatake 0:579ea43fbe6d 109 if (disk_initialize()) {
rmiyatake 0:579ea43fbe6d 110 return false;
rmiyatake 0:579ea43fbe6d 111 }
rmiyatake 0:579ea43fbe6d 112 }
rmiyatake 0:579ea43fbe6d 113
rmiyatake 0:579ea43fbe6d 114 // get number of blocks
rmiyatake 0:579ea43fbe6d 115 BlockCount = disk_sectors();
rmiyatake 0:579ea43fbe6d 116
rmiyatake 0:579ea43fbe6d 117 // get memory size
rmiyatake 0:579ea43fbe6d 118 MemorySize = disk_size();
rmiyatake 0:579ea43fbe6d 119
rmiyatake 0:579ea43fbe6d 120 if (BlockCount > 0) {
rmiyatake 0:579ea43fbe6d 121 BlockSize = MemorySize / BlockCount;
rmiyatake 0:579ea43fbe6d 122 if (BlockSize != 0) {
rmiyatake 0:579ea43fbe6d 123 free(page);
rmiyatake 0:579ea43fbe6d 124 page = (uint8_t *)malloc(BlockSize * sizeof(uint8_t));
rmiyatake 0:579ea43fbe6d 125 if (page == NULL)
rmiyatake 0:579ea43fbe6d 126 return false;
rmiyatake 0:579ea43fbe6d 127 }
rmiyatake 0:579ea43fbe6d 128 } else {
rmiyatake 0:579ea43fbe6d 129 return false;
rmiyatake 0:579ea43fbe6d 130 }
rmiyatake 0:579ea43fbe6d 131
rmiyatake 0:579ea43fbe6d 132 //connect the device
rmiyatake 0:579ea43fbe6d 133 USBDevice::connect(blocking);
rmiyatake 0:579ea43fbe6d 134 return true;
rmiyatake 0:579ea43fbe6d 135 }
rmiyatake 0:579ea43fbe6d 136
rmiyatake 0:579ea43fbe6d 137 void USBMSD::disconnect() {
rmiyatake 0:579ea43fbe6d 138 //De-allocate MSD page size:
rmiyatake 0:579ea43fbe6d 139 free(page);
rmiyatake 0:579ea43fbe6d 140 page = NULL;
rmiyatake 0:579ea43fbe6d 141 USBDevice::disconnect();
rmiyatake 0:579ea43fbe6d 142 }
rmiyatake 0:579ea43fbe6d 143
rmiyatake 0:579ea43fbe6d 144 void USBMSD::reset() {
rmiyatake 0:579ea43fbe6d 145 stage = READ_CBW;
rmiyatake 0:579ea43fbe6d 146 }
rmiyatake 0:579ea43fbe6d 147
rmiyatake 0:579ea43fbe6d 148
rmiyatake 0:579ea43fbe6d 149 // Called in ISR context called when a data is received
rmiyatake 0:579ea43fbe6d 150 bool USBMSD::EP2_OUT_callback() {
rmiyatake 0:579ea43fbe6d 151 uint32_t size = 0;
rmiyatake 0:579ea43fbe6d 152 uint8_t buf[MAX_PACKET_SIZE_EPBULK];
rmiyatake 0:579ea43fbe6d 153 readEP(EPBULK_OUT, buf, &size, MAX_PACKET_SIZE_EPBULK);
rmiyatake 0:579ea43fbe6d 154 switch (stage) {
rmiyatake 0:579ea43fbe6d 155 // the device has to decode the CBW received
rmiyatake 0:579ea43fbe6d 156 case READ_CBW:
rmiyatake 0:579ea43fbe6d 157 CBWDecode(buf, size);
rmiyatake 0:579ea43fbe6d 158 break;
rmiyatake 0:579ea43fbe6d 159
rmiyatake 0:579ea43fbe6d 160 // the device has to receive data from the host
rmiyatake 0:579ea43fbe6d 161 case PROCESS_CBW:
rmiyatake 0:579ea43fbe6d 162 switch (cbw.CB[0]) {
rmiyatake 0:579ea43fbe6d 163 case WRITE10:
rmiyatake 0:579ea43fbe6d 164 case WRITE12:
rmiyatake 0:579ea43fbe6d 165 memoryWrite(buf, size);
rmiyatake 0:579ea43fbe6d 166 break;
rmiyatake 0:579ea43fbe6d 167 case VERIFY10:
rmiyatake 0:579ea43fbe6d 168 memoryVerify(buf, size);
rmiyatake 0:579ea43fbe6d 169 break;
rmiyatake 0:579ea43fbe6d 170 }
rmiyatake 0:579ea43fbe6d 171 break;
rmiyatake 0:579ea43fbe6d 172
rmiyatake 0:579ea43fbe6d 173 // an error has occured: stall endpoint and send CSW
rmiyatake 0:579ea43fbe6d 174 default:
rmiyatake 0:579ea43fbe6d 175 stallEndpoint(EPBULK_OUT);
rmiyatake 0:579ea43fbe6d 176 csw.Status = CSW_ERROR;
rmiyatake 0:579ea43fbe6d 177 sendCSW();
rmiyatake 0:579ea43fbe6d 178 break;
rmiyatake 0:579ea43fbe6d 179 }
rmiyatake 0:579ea43fbe6d 180
rmiyatake 0:579ea43fbe6d 181 //reactivate readings on the OUT bulk endpoint
rmiyatake 0:579ea43fbe6d 182 readStart(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK);
rmiyatake 0:579ea43fbe6d 183 return true;
rmiyatake 0:579ea43fbe6d 184 }
rmiyatake 0:579ea43fbe6d 185
rmiyatake 0:579ea43fbe6d 186 // Called in ISR context when a data has been transferred
rmiyatake 0:579ea43fbe6d 187 bool USBMSD::EP2_IN_callback() {
rmiyatake 0:579ea43fbe6d 188 switch (stage) {
rmiyatake 0:579ea43fbe6d 189
rmiyatake 0:579ea43fbe6d 190 // the device has to send data to the host
rmiyatake 0:579ea43fbe6d 191 case PROCESS_CBW:
rmiyatake 0:579ea43fbe6d 192 switch (cbw.CB[0]) {
rmiyatake 0:579ea43fbe6d 193 case READ10:
rmiyatake 0:579ea43fbe6d 194 case READ12:
rmiyatake 0:579ea43fbe6d 195 memoryRead();
rmiyatake 0:579ea43fbe6d 196 break;
rmiyatake 0:579ea43fbe6d 197 }
rmiyatake 0:579ea43fbe6d 198 break;
rmiyatake 0:579ea43fbe6d 199
rmiyatake 0:579ea43fbe6d 200 //the device has to send a CSW
rmiyatake 0:579ea43fbe6d 201 case SEND_CSW:
rmiyatake 0:579ea43fbe6d 202 sendCSW();
rmiyatake 0:579ea43fbe6d 203 break;
rmiyatake 0:579ea43fbe6d 204
rmiyatake 0:579ea43fbe6d 205 // the host has received the CSW -> we wait a CBW
rmiyatake 0:579ea43fbe6d 206 case WAIT_CSW:
rmiyatake 0:579ea43fbe6d 207 stage = READ_CBW;
rmiyatake 0:579ea43fbe6d 208 break;
rmiyatake 0:579ea43fbe6d 209
rmiyatake 0:579ea43fbe6d 210 // an error has occured
rmiyatake 0:579ea43fbe6d 211 default:
rmiyatake 0:579ea43fbe6d 212 stallEndpoint(EPBULK_IN);
rmiyatake 0:579ea43fbe6d 213 sendCSW();
rmiyatake 0:579ea43fbe6d 214 break;
rmiyatake 0:579ea43fbe6d 215 }
rmiyatake 0:579ea43fbe6d 216 return true;
rmiyatake 0:579ea43fbe6d 217 }
rmiyatake 0:579ea43fbe6d 218
rmiyatake 0:579ea43fbe6d 219
rmiyatake 0:579ea43fbe6d 220 void USBMSD::memoryWrite (uint8_t * buf, uint16_t size) {
rmiyatake 0:579ea43fbe6d 221
rmiyatake 0:579ea43fbe6d 222 if ((addr + size) > MemorySize) {
rmiyatake 0:579ea43fbe6d 223 size = MemorySize - addr;
rmiyatake 0:579ea43fbe6d 224 stage = ERROR;
rmiyatake 0:579ea43fbe6d 225 stallEndpoint(EPBULK_OUT);
rmiyatake 0:579ea43fbe6d 226 }
rmiyatake 0:579ea43fbe6d 227
rmiyatake 0:579ea43fbe6d 228 // we fill an array in RAM of 1 block before writing it in memory
rmiyatake 0:579ea43fbe6d 229 for (int i = 0; i < size; i++)
rmiyatake 0:579ea43fbe6d 230 page[addr%BlockSize + i] = buf[i];
rmiyatake 0:579ea43fbe6d 231
rmiyatake 0:579ea43fbe6d 232 // if the array is filled, write it in memory
rmiyatake 0:579ea43fbe6d 233 if (!((addr + size)%BlockSize)) {
rmiyatake 0:579ea43fbe6d 234 if (!(disk_status() & WRITE_PROTECT)) {
rmiyatake 0:579ea43fbe6d 235 disk_write(page, addr/BlockSize);
rmiyatake 0:579ea43fbe6d 236 }
rmiyatake 0:579ea43fbe6d 237 }
rmiyatake 0:579ea43fbe6d 238
rmiyatake 0:579ea43fbe6d 239 addr += size;
rmiyatake 0:579ea43fbe6d 240 length -= size;
rmiyatake 0:579ea43fbe6d 241 csw.DataResidue -= size;
rmiyatake 0:579ea43fbe6d 242
rmiyatake 0:579ea43fbe6d 243 if ((!length) || (stage != PROCESS_CBW)) {
rmiyatake 0:579ea43fbe6d 244 csw.Status = (stage == ERROR) ? CSW_FAILED : CSW_PASSED;
rmiyatake 0:579ea43fbe6d 245 sendCSW();
rmiyatake 0:579ea43fbe6d 246 }
rmiyatake 0:579ea43fbe6d 247 }
rmiyatake 0:579ea43fbe6d 248
rmiyatake 0:579ea43fbe6d 249 void USBMSD::memoryVerify (uint8_t * buf, uint16_t size) {
rmiyatake 0:579ea43fbe6d 250 uint32_t n;
rmiyatake 0:579ea43fbe6d 251
rmiyatake 0:579ea43fbe6d 252 if ((addr + size) > MemorySize) {
rmiyatake 0:579ea43fbe6d 253 size = MemorySize - addr;
rmiyatake 0:579ea43fbe6d 254 stage = ERROR;
rmiyatake 0:579ea43fbe6d 255 stallEndpoint(EPBULK_OUT);
rmiyatake 0:579ea43fbe6d 256 }
rmiyatake 0:579ea43fbe6d 257
rmiyatake 0:579ea43fbe6d 258 // beginning of a new block -> load a whole block in RAM
rmiyatake 0:579ea43fbe6d 259 if (!(addr%BlockSize))
rmiyatake 0:579ea43fbe6d 260 disk_read(page, addr/BlockSize);
rmiyatake 0:579ea43fbe6d 261
rmiyatake 0:579ea43fbe6d 262 // info are in RAM -> no need to re-read memory
rmiyatake 0:579ea43fbe6d 263 for (n = 0; n < size; n++) {
rmiyatake 0:579ea43fbe6d 264 if (page[addr%BlockSize + n] != buf[n]) {
rmiyatake 0:579ea43fbe6d 265 memOK = false;
rmiyatake 0:579ea43fbe6d 266 break;
rmiyatake 0:579ea43fbe6d 267 }
rmiyatake 0:579ea43fbe6d 268 }
rmiyatake 0:579ea43fbe6d 269
rmiyatake 0:579ea43fbe6d 270 addr += size;
rmiyatake 0:579ea43fbe6d 271 length -= size;
rmiyatake 0:579ea43fbe6d 272 csw.DataResidue -= size;
rmiyatake 0:579ea43fbe6d 273
rmiyatake 0:579ea43fbe6d 274 if ( !length || (stage != PROCESS_CBW)) {
rmiyatake 0:579ea43fbe6d 275 csw.Status = (memOK && (stage == PROCESS_CBW)) ? CSW_PASSED : CSW_FAILED;
rmiyatake 0:579ea43fbe6d 276 sendCSW();
rmiyatake 0:579ea43fbe6d 277 }
rmiyatake 0:579ea43fbe6d 278 }
rmiyatake 0:579ea43fbe6d 279
rmiyatake 0:579ea43fbe6d 280
rmiyatake 0:579ea43fbe6d 281 bool USBMSD::inquiryRequest (void) {
rmiyatake 0:579ea43fbe6d 282 uint8_t inquiry[] = { 0x00, 0x80, 0x00, 0x01,
rmiyatake 0:579ea43fbe6d 283 36 - 4, 0x80, 0x00, 0x00,
rmiyatake 0:579ea43fbe6d 284 'M', 'B', 'E', 'D', '.', 'O', 'R', 'G',
rmiyatake 0:579ea43fbe6d 285 'M', 'B', 'E', 'D', ' ', 'U', 'S', 'B', ' ', 'D', 'I', 'S', 'K', ' ', ' ', ' ',
rmiyatake 0:579ea43fbe6d 286 '1', '.', '0', ' ',
rmiyatake 0:579ea43fbe6d 287 };
rmiyatake 0:579ea43fbe6d 288 if (!write(inquiry, sizeof(inquiry))) {
rmiyatake 0:579ea43fbe6d 289 return false;
rmiyatake 0:579ea43fbe6d 290 }
rmiyatake 0:579ea43fbe6d 291 return true;
rmiyatake 0:579ea43fbe6d 292 }
rmiyatake 0:579ea43fbe6d 293
rmiyatake 0:579ea43fbe6d 294
rmiyatake 0:579ea43fbe6d 295 bool USBMSD::readFormatCapacity() {
rmiyatake 0:579ea43fbe6d 296 uint8_t capacity[] = { 0x00, 0x00, 0x00, 0x08,
rmiyatake 0:579ea43fbe6d 297 (uint8_t)((BlockCount >> 24) & 0xff),
rmiyatake 0:579ea43fbe6d 298 (uint8_t)((BlockCount >> 16) & 0xff),
rmiyatake 0:579ea43fbe6d 299 (uint8_t)((BlockCount >> 8) & 0xff),
rmiyatake 0:579ea43fbe6d 300 (uint8_t)((BlockCount >> 0) & 0xff),
rmiyatake 0:579ea43fbe6d 301
rmiyatake 0:579ea43fbe6d 302 0x02,
rmiyatake 0:579ea43fbe6d 303 (uint8_t)((BlockSize >> 16) & 0xff),
rmiyatake 0:579ea43fbe6d 304 (uint8_t)((BlockSize >> 8) & 0xff),
rmiyatake 0:579ea43fbe6d 305 (uint8_t)((BlockSize >> 0) & 0xff),
rmiyatake 0:579ea43fbe6d 306 };
rmiyatake 0:579ea43fbe6d 307 if (!write(capacity, sizeof(capacity))) {
rmiyatake 0:579ea43fbe6d 308 return false;
rmiyatake 0:579ea43fbe6d 309 }
rmiyatake 0:579ea43fbe6d 310 return true;
rmiyatake 0:579ea43fbe6d 311 }
rmiyatake 0:579ea43fbe6d 312
rmiyatake 0:579ea43fbe6d 313
rmiyatake 0:579ea43fbe6d 314 bool USBMSD::readCapacity (void) {
rmiyatake 0:579ea43fbe6d 315 uint8_t capacity[] = {
rmiyatake 0:579ea43fbe6d 316 (uint8_t)(((BlockCount - 1) >> 24) & 0xff),
rmiyatake 0:579ea43fbe6d 317 (uint8_t)(((BlockCount - 1) >> 16) & 0xff),
rmiyatake 0:579ea43fbe6d 318 (uint8_t)(((BlockCount - 1) >> 8) & 0xff),
rmiyatake 0:579ea43fbe6d 319 (uint8_t)(((BlockCount - 1) >> 0) & 0xff),
rmiyatake 0:579ea43fbe6d 320
rmiyatake 0:579ea43fbe6d 321 (uint8_t)((BlockSize >> 24) & 0xff),
rmiyatake 0:579ea43fbe6d 322 (uint8_t)((BlockSize >> 16) & 0xff),
rmiyatake 0:579ea43fbe6d 323 (uint8_t)((BlockSize >> 8) & 0xff),
rmiyatake 0:579ea43fbe6d 324 (uint8_t)((BlockSize >> 0) & 0xff),
rmiyatake 0:579ea43fbe6d 325 };
rmiyatake 0:579ea43fbe6d 326 if (!write(capacity, sizeof(capacity))) {
rmiyatake 0:579ea43fbe6d 327 return false;
rmiyatake 0:579ea43fbe6d 328 }
rmiyatake 0:579ea43fbe6d 329 return true;
rmiyatake 0:579ea43fbe6d 330 }
rmiyatake 0:579ea43fbe6d 331
rmiyatake 0:579ea43fbe6d 332 bool USBMSD::write (uint8_t * buf, uint16_t size) {
rmiyatake 0:579ea43fbe6d 333
rmiyatake 0:579ea43fbe6d 334 if (size >= cbw.DataLength) {
rmiyatake 0:579ea43fbe6d 335 size = cbw.DataLength;
rmiyatake 0:579ea43fbe6d 336 }
rmiyatake 0:579ea43fbe6d 337 stage = SEND_CSW;
rmiyatake 0:579ea43fbe6d 338
rmiyatake 0:579ea43fbe6d 339 if (!writeNB(EPBULK_IN, buf, size, MAX_PACKET_SIZE_EPBULK)) {
rmiyatake 0:579ea43fbe6d 340 return false;
rmiyatake 0:579ea43fbe6d 341 }
rmiyatake 0:579ea43fbe6d 342
rmiyatake 0:579ea43fbe6d 343 csw.DataResidue -= size;
rmiyatake 0:579ea43fbe6d 344 csw.Status = CSW_PASSED;
rmiyatake 0:579ea43fbe6d 345 return true;
rmiyatake 0:579ea43fbe6d 346 }
rmiyatake 0:579ea43fbe6d 347
rmiyatake 0:579ea43fbe6d 348
rmiyatake 0:579ea43fbe6d 349 bool USBMSD::modeSense6 (void) {
rmiyatake 0:579ea43fbe6d 350 uint8_t sense6[] = { 0x03, 0x00, 0x00, 0x00 };
rmiyatake 0:579ea43fbe6d 351 if (!write(sense6, sizeof(sense6))) {
rmiyatake 0:579ea43fbe6d 352 return false;
rmiyatake 0:579ea43fbe6d 353 }
rmiyatake 0:579ea43fbe6d 354 return true;
rmiyatake 0:579ea43fbe6d 355 }
rmiyatake 0:579ea43fbe6d 356
rmiyatake 0:579ea43fbe6d 357 void USBMSD::sendCSW() {
rmiyatake 0:579ea43fbe6d 358 csw.Signature = CSW_Signature;
rmiyatake 0:579ea43fbe6d 359 writeNB(EPBULK_IN, (uint8_t *)&csw, sizeof(CSW), MAX_PACKET_SIZE_EPBULK);
rmiyatake 0:579ea43fbe6d 360 stage = WAIT_CSW;
rmiyatake 0:579ea43fbe6d 361 }
rmiyatake 0:579ea43fbe6d 362
rmiyatake 0:579ea43fbe6d 363 bool USBMSD::requestSense (void) {
rmiyatake 0:579ea43fbe6d 364 uint8_t request_sense[] = {
rmiyatake 0:579ea43fbe6d 365 0x70,
rmiyatake 0:579ea43fbe6d 366 0x00,
rmiyatake 0:579ea43fbe6d 367 0x05, // Sense Key: illegal request
rmiyatake 0:579ea43fbe6d 368 0x00,
rmiyatake 0:579ea43fbe6d 369 0x00,
rmiyatake 0:579ea43fbe6d 370 0x00,
rmiyatake 0:579ea43fbe6d 371 0x00,
rmiyatake 0:579ea43fbe6d 372 0x0A,
rmiyatake 0:579ea43fbe6d 373 0x00,
rmiyatake 0:579ea43fbe6d 374 0x00,
rmiyatake 0:579ea43fbe6d 375 0x00,
rmiyatake 0:579ea43fbe6d 376 0x00,
rmiyatake 0:579ea43fbe6d 377 0x30,
rmiyatake 0:579ea43fbe6d 378 0x01,
rmiyatake 0:579ea43fbe6d 379 0x00,
rmiyatake 0:579ea43fbe6d 380 0x00,
rmiyatake 0:579ea43fbe6d 381 0x00,
rmiyatake 0:579ea43fbe6d 382 0x00,
rmiyatake 0:579ea43fbe6d 383 };
rmiyatake 0:579ea43fbe6d 384
rmiyatake 0:579ea43fbe6d 385 if (!write(request_sense, sizeof(request_sense))) {
rmiyatake 0:579ea43fbe6d 386 return false;
rmiyatake 0:579ea43fbe6d 387 }
rmiyatake 0:579ea43fbe6d 388
rmiyatake 0:579ea43fbe6d 389 return true;
rmiyatake 0:579ea43fbe6d 390 }
rmiyatake 0:579ea43fbe6d 391
rmiyatake 0:579ea43fbe6d 392 void USBMSD::fail() {
rmiyatake 0:579ea43fbe6d 393 csw.Status = CSW_FAILED;
rmiyatake 0:579ea43fbe6d 394 sendCSW();
rmiyatake 0:579ea43fbe6d 395 }
rmiyatake 0:579ea43fbe6d 396
rmiyatake 0:579ea43fbe6d 397
rmiyatake 0:579ea43fbe6d 398 void USBMSD::CBWDecode(uint8_t * buf, uint16_t size) {
rmiyatake 0:579ea43fbe6d 399 if (size == sizeof(cbw)) {
rmiyatake 0:579ea43fbe6d 400 memcpy((uint8_t *)&cbw, buf, size);
rmiyatake 0:579ea43fbe6d 401 if (cbw.Signature == CBW_Signature) {
rmiyatake 0:579ea43fbe6d 402 csw.Tag = cbw.Tag;
rmiyatake 0:579ea43fbe6d 403 csw.DataResidue = cbw.DataLength;
rmiyatake 0:579ea43fbe6d 404 if ((cbw.CBLength < 1) || (cbw.CBLength > 16) ) {
rmiyatake 0:579ea43fbe6d 405 fail();
rmiyatake 0:579ea43fbe6d 406 } else {
rmiyatake 0:579ea43fbe6d 407 switch (cbw.CB[0]) {
rmiyatake 0:579ea43fbe6d 408 case TEST_UNIT_READY:
rmiyatake 0:579ea43fbe6d 409 testUnitReady();
rmiyatake 0:579ea43fbe6d 410 break;
rmiyatake 0:579ea43fbe6d 411 case REQUEST_SENSE:
rmiyatake 0:579ea43fbe6d 412 requestSense();
rmiyatake 0:579ea43fbe6d 413 break;
rmiyatake 0:579ea43fbe6d 414 case INQUIRY:
rmiyatake 0:579ea43fbe6d 415 inquiryRequest();
rmiyatake 0:579ea43fbe6d 416 break;
rmiyatake 0:579ea43fbe6d 417 case MODE_SENSE6:
rmiyatake 0:579ea43fbe6d 418 modeSense6();
rmiyatake 0:579ea43fbe6d 419 break;
rmiyatake 0:579ea43fbe6d 420 case READ_FORMAT_CAPACITIES:
rmiyatake 0:579ea43fbe6d 421 readFormatCapacity();
rmiyatake 0:579ea43fbe6d 422 break;
rmiyatake 0:579ea43fbe6d 423 case READ_CAPACITY:
rmiyatake 0:579ea43fbe6d 424 readCapacity();
rmiyatake 0:579ea43fbe6d 425 break;
rmiyatake 0:579ea43fbe6d 426 case READ10:
rmiyatake 0:579ea43fbe6d 427 case READ12:
rmiyatake 0:579ea43fbe6d 428 if (infoTransfer()) {
rmiyatake 0:579ea43fbe6d 429 if ((cbw.Flags & 0x80)) {
rmiyatake 0:579ea43fbe6d 430 stage = PROCESS_CBW;
rmiyatake 0:579ea43fbe6d 431 memoryRead();
rmiyatake 0:579ea43fbe6d 432 } else {
rmiyatake 0:579ea43fbe6d 433 stallEndpoint(EPBULK_OUT);
rmiyatake 0:579ea43fbe6d 434 csw.Status = CSW_ERROR;
rmiyatake 0:579ea43fbe6d 435 sendCSW();
rmiyatake 0:579ea43fbe6d 436 }
rmiyatake 0:579ea43fbe6d 437 }
rmiyatake 0:579ea43fbe6d 438 break;
rmiyatake 0:579ea43fbe6d 439 case WRITE10:
rmiyatake 0:579ea43fbe6d 440 case WRITE12:
rmiyatake 0:579ea43fbe6d 441 if (infoTransfer()) {
rmiyatake 0:579ea43fbe6d 442 if (!(cbw.Flags & 0x80)) {
rmiyatake 0:579ea43fbe6d 443 stage = PROCESS_CBW;
rmiyatake 0:579ea43fbe6d 444 } else {
rmiyatake 0:579ea43fbe6d 445 stallEndpoint(EPBULK_IN);
rmiyatake 0:579ea43fbe6d 446 csw.Status = CSW_ERROR;
rmiyatake 0:579ea43fbe6d 447 sendCSW();
rmiyatake 0:579ea43fbe6d 448 }
rmiyatake 0:579ea43fbe6d 449 }
rmiyatake 0:579ea43fbe6d 450 break;
rmiyatake 0:579ea43fbe6d 451 case VERIFY10:
rmiyatake 0:579ea43fbe6d 452 if (!(cbw.CB[1] & 0x02)) {
rmiyatake 0:579ea43fbe6d 453 csw.Status = CSW_PASSED;
rmiyatake 0:579ea43fbe6d 454 sendCSW();
rmiyatake 0:579ea43fbe6d 455 break;
rmiyatake 0:579ea43fbe6d 456 }
rmiyatake 0:579ea43fbe6d 457 if (infoTransfer()) {
rmiyatake 0:579ea43fbe6d 458 if (!(cbw.Flags & 0x80)) {
rmiyatake 0:579ea43fbe6d 459 stage = PROCESS_CBW;
rmiyatake 0:579ea43fbe6d 460 memOK = true;
rmiyatake 0:579ea43fbe6d 461 } else {
rmiyatake 0:579ea43fbe6d 462 stallEndpoint(EPBULK_IN);
rmiyatake 0:579ea43fbe6d 463 csw.Status = CSW_ERROR;
rmiyatake 0:579ea43fbe6d 464 sendCSW();
rmiyatake 0:579ea43fbe6d 465 }
rmiyatake 0:579ea43fbe6d 466 }
rmiyatake 0:579ea43fbe6d 467 break;
rmiyatake 0:579ea43fbe6d 468 case MEDIA_REMOVAL:
rmiyatake 0:579ea43fbe6d 469 csw.Status = CSW_PASSED;
rmiyatake 0:579ea43fbe6d 470 sendCSW();
rmiyatake 0:579ea43fbe6d 471 break;
rmiyatake 0:579ea43fbe6d 472 default:
rmiyatake 0:579ea43fbe6d 473 fail();
rmiyatake 0:579ea43fbe6d 474 break;
rmiyatake 0:579ea43fbe6d 475 }
rmiyatake 0:579ea43fbe6d 476 }
rmiyatake 0:579ea43fbe6d 477 }
rmiyatake 0:579ea43fbe6d 478 }
rmiyatake 0:579ea43fbe6d 479 }
rmiyatake 0:579ea43fbe6d 480
rmiyatake 0:579ea43fbe6d 481 void USBMSD::testUnitReady (void) {
rmiyatake 0:579ea43fbe6d 482
rmiyatake 0:579ea43fbe6d 483 if (cbw.DataLength != 0) {
rmiyatake 0:579ea43fbe6d 484 if ((cbw.Flags & 0x80) != 0) {
rmiyatake 0:579ea43fbe6d 485 stallEndpoint(EPBULK_IN);
rmiyatake 0:579ea43fbe6d 486 } else {
rmiyatake 0:579ea43fbe6d 487 stallEndpoint(EPBULK_OUT);
rmiyatake 0:579ea43fbe6d 488 }
rmiyatake 0:579ea43fbe6d 489 }
rmiyatake 0:579ea43fbe6d 490
rmiyatake 0:579ea43fbe6d 491 csw.Status = CSW_PASSED;
rmiyatake 0:579ea43fbe6d 492 sendCSW();
rmiyatake 0:579ea43fbe6d 493 }
rmiyatake 0:579ea43fbe6d 494
rmiyatake 0:579ea43fbe6d 495
rmiyatake 0:579ea43fbe6d 496 void USBMSD::memoryRead (void) {
rmiyatake 0:579ea43fbe6d 497 uint32_t n;
rmiyatake 0:579ea43fbe6d 498
rmiyatake 0:579ea43fbe6d 499 n = (length > MAX_PACKET) ? MAX_PACKET : length;
rmiyatake 0:579ea43fbe6d 500
rmiyatake 0:579ea43fbe6d 501 if ((addr + n) > MemorySize) {
rmiyatake 0:579ea43fbe6d 502 n = MemorySize - addr;
rmiyatake 0:579ea43fbe6d 503 stage = ERROR;
rmiyatake 0:579ea43fbe6d 504 }
rmiyatake 0:579ea43fbe6d 505
rmiyatake 0:579ea43fbe6d 506 // we read an entire block
rmiyatake 0:579ea43fbe6d 507 if (!(addr%BlockSize))
rmiyatake 0:579ea43fbe6d 508 disk_read(page, addr/BlockSize);
rmiyatake 0:579ea43fbe6d 509
rmiyatake 0:579ea43fbe6d 510 // write data which are in RAM
rmiyatake 0:579ea43fbe6d 511 writeNB(EPBULK_IN, &page[addr%BlockSize], n, MAX_PACKET_SIZE_EPBULK);
rmiyatake 0:579ea43fbe6d 512
rmiyatake 0:579ea43fbe6d 513 addr += n;
rmiyatake 0:579ea43fbe6d 514 length -= n;
rmiyatake 0:579ea43fbe6d 515
rmiyatake 0:579ea43fbe6d 516 csw.DataResidue -= n;
rmiyatake 0:579ea43fbe6d 517
rmiyatake 0:579ea43fbe6d 518 if ( !length || (stage != PROCESS_CBW)) {
rmiyatake 0:579ea43fbe6d 519 csw.Status = (stage == PROCESS_CBW) ? CSW_PASSED : CSW_FAILED;
rmiyatake 0:579ea43fbe6d 520 stage = (stage == PROCESS_CBW) ? SEND_CSW : stage;
rmiyatake 0:579ea43fbe6d 521 }
rmiyatake 0:579ea43fbe6d 522 }
rmiyatake 0:579ea43fbe6d 523
rmiyatake 0:579ea43fbe6d 524
rmiyatake 0:579ea43fbe6d 525 bool USBMSD::infoTransfer (void) {
rmiyatake 0:579ea43fbe6d 526 uint32_t n;
rmiyatake 0:579ea43fbe6d 527
rmiyatake 0:579ea43fbe6d 528 // Logical Block Address of First Block
rmiyatake 0:579ea43fbe6d 529 n = (cbw.CB[2] << 24) | (cbw.CB[3] << 16) | (cbw.CB[4] << 8) | (cbw.CB[5] << 0);
rmiyatake 0:579ea43fbe6d 530
rmiyatake 0:579ea43fbe6d 531 addr = n * BlockSize;
rmiyatake 0:579ea43fbe6d 532
rmiyatake 0:579ea43fbe6d 533 // Number of Blocks to transfer
rmiyatake 0:579ea43fbe6d 534 switch (cbw.CB[0]) {
rmiyatake 0:579ea43fbe6d 535 case READ10:
rmiyatake 0:579ea43fbe6d 536 case WRITE10:
rmiyatake 0:579ea43fbe6d 537 case VERIFY10:
rmiyatake 0:579ea43fbe6d 538 n = (cbw.CB[7] << 8) | (cbw.CB[8] << 0);
rmiyatake 0:579ea43fbe6d 539 break;
rmiyatake 0:579ea43fbe6d 540
rmiyatake 0:579ea43fbe6d 541 case READ12:
rmiyatake 0:579ea43fbe6d 542 case WRITE12:
rmiyatake 0:579ea43fbe6d 543 n = (cbw.CB[6] << 24) | (cbw.CB[7] << 16) | (cbw.CB[8] << 8) | (cbw.CB[9] << 0);
rmiyatake 0:579ea43fbe6d 544 break;
rmiyatake 0:579ea43fbe6d 545 }
rmiyatake 0:579ea43fbe6d 546
rmiyatake 0:579ea43fbe6d 547 length = n * BlockSize;
rmiyatake 0:579ea43fbe6d 548
rmiyatake 0:579ea43fbe6d 549 if (!cbw.DataLength) { // host requests no data
rmiyatake 0:579ea43fbe6d 550 csw.Status = CSW_FAILED;
rmiyatake 0:579ea43fbe6d 551 sendCSW();
rmiyatake 0:579ea43fbe6d 552 return false;
rmiyatake 0:579ea43fbe6d 553 }
rmiyatake 0:579ea43fbe6d 554
rmiyatake 0:579ea43fbe6d 555 if (cbw.DataLength != length) {
rmiyatake 0:579ea43fbe6d 556 if ((cbw.Flags & 0x80) != 0) {
rmiyatake 0:579ea43fbe6d 557 stallEndpoint(EPBULK_IN);
rmiyatake 0:579ea43fbe6d 558 } else {
rmiyatake 0:579ea43fbe6d 559 stallEndpoint(EPBULK_OUT);
rmiyatake 0:579ea43fbe6d 560 }
rmiyatake 0:579ea43fbe6d 561
rmiyatake 0:579ea43fbe6d 562 csw.Status = CSW_FAILED;
rmiyatake 0:579ea43fbe6d 563 sendCSW();
rmiyatake 0:579ea43fbe6d 564 return false;
rmiyatake 0:579ea43fbe6d 565 }
rmiyatake 0:579ea43fbe6d 566
rmiyatake 0:579ea43fbe6d 567 return true;
rmiyatake 0:579ea43fbe6d 568 }
rmiyatake 0:579ea43fbe6d 569
rmiyatake 0:579ea43fbe6d 570
rmiyatake 0:579ea43fbe6d 571
rmiyatake 0:579ea43fbe6d 572
rmiyatake 0:579ea43fbe6d 573
rmiyatake 0:579ea43fbe6d 574 // Called in ISR context
rmiyatake 0:579ea43fbe6d 575 // Set configuration. Return false if the
rmiyatake 0:579ea43fbe6d 576 // configuration is not supported.
rmiyatake 0:579ea43fbe6d 577 bool USBMSD::USBCallback_setConfiguration(uint8_t configuration) {
rmiyatake 0:579ea43fbe6d 578 if (configuration != DEFAULT_CONFIGURATION) {
rmiyatake 0:579ea43fbe6d 579 return false;
rmiyatake 0:579ea43fbe6d 580 }
rmiyatake 0:579ea43fbe6d 581
rmiyatake 0:579ea43fbe6d 582 // Configure endpoints > 0
rmiyatake 0:579ea43fbe6d 583 addEndpoint(EPBULK_IN, MAX_PACKET_SIZE_EPBULK);
rmiyatake 0:579ea43fbe6d 584 addEndpoint(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK);
rmiyatake 0:579ea43fbe6d 585
rmiyatake 0:579ea43fbe6d 586 //activate readings
rmiyatake 0:579ea43fbe6d 587 readStart(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK);
rmiyatake 0:579ea43fbe6d 588 return true;
rmiyatake 0:579ea43fbe6d 589 }
rmiyatake 0:579ea43fbe6d 590
rmiyatake 0:579ea43fbe6d 591
rmiyatake 0:579ea43fbe6d 592 uint8_t * USBMSD::stringIinterfaceDesc() {
rmiyatake 0:579ea43fbe6d 593 static uint8_t stringIinterfaceDescriptor[] = {
rmiyatake 0:579ea43fbe6d 594 0x08, //bLength
rmiyatake 0:579ea43fbe6d 595 STRING_DESCRIPTOR, //bDescriptorType 0x03
rmiyatake 0:579ea43fbe6d 596 'M',0,'S',0,'D',0 //bString iInterface - MSD
rmiyatake 0:579ea43fbe6d 597 };
rmiyatake 0:579ea43fbe6d 598 return stringIinterfaceDescriptor;
rmiyatake 0:579ea43fbe6d 599 }
rmiyatake 0:579ea43fbe6d 600
rmiyatake 0:579ea43fbe6d 601 uint8_t * USBMSD::stringIproductDesc() {
rmiyatake 0:579ea43fbe6d 602 static uint8_t stringIproductDescriptor[] = {
rmiyatake 0:579ea43fbe6d 603 0x12, //bLength
rmiyatake 0:579ea43fbe6d 604 STRING_DESCRIPTOR, //bDescriptorType 0x03
rmiyatake 0:579ea43fbe6d 605 'M',0,'b',0,'e',0,'d',0,' ',0,'M',0,'S',0,'D',0 //bString iProduct - Mbed Audio
rmiyatake 0:579ea43fbe6d 606 };
rmiyatake 0:579ea43fbe6d 607 return stringIproductDescriptor;
rmiyatake 0:579ea43fbe6d 608 }
rmiyatake 0:579ea43fbe6d 609
rmiyatake 0:579ea43fbe6d 610
rmiyatake 0:579ea43fbe6d 611 uint8_t * USBMSD::configurationDesc() {
rmiyatake 0:579ea43fbe6d 612 static uint8_t configDescriptor[] = {
rmiyatake 0:579ea43fbe6d 613
rmiyatake 0:579ea43fbe6d 614 // Configuration 1
rmiyatake 0:579ea43fbe6d 615 9, // bLength
rmiyatake 0:579ea43fbe6d 616 2, // bDescriptorType
rmiyatake 0:579ea43fbe6d 617 LSB(9 + 9 + 7 + 7), // wTotalLength
rmiyatake 0:579ea43fbe6d 618 MSB(9 + 9 + 7 + 7),
rmiyatake 0:579ea43fbe6d 619 0x01, // bNumInterfaces
rmiyatake 0:579ea43fbe6d 620 0x01, // bConfigurationValue: 0x01 is used to select this configuration
rmiyatake 0:579ea43fbe6d 621 0x00, // iConfiguration: no string to describe this configuration
rmiyatake 0:579ea43fbe6d 622 0xC0, // bmAttributes
rmiyatake 0:579ea43fbe6d 623 100, // bMaxPower, device power consumption is 100 mA
rmiyatake 0:579ea43fbe6d 624
rmiyatake 0:579ea43fbe6d 625 // Interface 0, Alternate Setting 0, MSC Class
rmiyatake 0:579ea43fbe6d 626 9, // bLength
rmiyatake 0:579ea43fbe6d 627 4, // bDescriptorType
rmiyatake 0:579ea43fbe6d 628 0x00, // bInterfaceNumber
rmiyatake 0:579ea43fbe6d 629 0x00, // bAlternateSetting
rmiyatake 0:579ea43fbe6d 630 0x02, // bNumEndpoints
rmiyatake 0:579ea43fbe6d 631 0x08, // bInterfaceClass
rmiyatake 0:579ea43fbe6d 632 0x06, // bInterfaceSubClass
rmiyatake 0:579ea43fbe6d 633 0x50, // bInterfaceProtocol
rmiyatake 0:579ea43fbe6d 634 0x04, // iInterface
rmiyatake 0:579ea43fbe6d 635
rmiyatake 0:579ea43fbe6d 636 // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
rmiyatake 0:579ea43fbe6d 637 7, // bLength
rmiyatake 0:579ea43fbe6d 638 5, // bDescriptorType
rmiyatake 0:579ea43fbe6d 639 PHY_TO_DESC(EPBULK_IN), // bEndpointAddress
rmiyatake 0:579ea43fbe6d 640 0x02, // bmAttributes (0x02=bulk)
rmiyatake 0:579ea43fbe6d 641 LSB(MAX_PACKET_SIZE_EPBULK),// wMaxPacketSize (LSB)
rmiyatake 0:579ea43fbe6d 642 MSB(MAX_PACKET_SIZE_EPBULK),// wMaxPacketSize (MSB)
rmiyatake 0:579ea43fbe6d 643 0, // bInterval
rmiyatake 0:579ea43fbe6d 644
rmiyatake 0:579ea43fbe6d 645 // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
rmiyatake 0:579ea43fbe6d 646 7, // bLength
rmiyatake 0:579ea43fbe6d 647 5, // bDescriptorType
rmiyatake 0:579ea43fbe6d 648 PHY_TO_DESC(EPBULK_OUT), // bEndpointAddress
rmiyatake 0:579ea43fbe6d 649 0x02, // bmAttributes (0x02=bulk)
rmiyatake 0:579ea43fbe6d 650 LSB(MAX_PACKET_SIZE_EPBULK),// wMaxPacketSize (LSB)
rmiyatake 0:579ea43fbe6d 651 MSB(MAX_PACKET_SIZE_EPBULK),// wMaxPacketSize (MSB)
rmiyatake 0:579ea43fbe6d 652 0 // bInterval
rmiyatake 0:579ea43fbe6d 653 };
rmiyatake 0:579ea43fbe6d 654 return configDescriptor;
rmiyatake 0:579ea43fbe6d 655 }