/* LUFA Library Copyright (C) Dean Camera, 2010. dean [at] fourwalledcubicle [dot] com www.fourwalledcubicle.com */ /* Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com) Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that the copyright notice and this permission notice and warranty disclaimer appear in supporting documentation, and that the name of the author not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. The author disclaim all warranties with regard to this software, including all implied warranties of merchantability and fitness. In no event shall the author be liable for any special, indirect or consequential damages or any damages whatsoever resulting from loss of use, data or profits, whether in an action of contract, negligence or other tortious action, arising out of or in connection with the use or performance of this software. */ /** \file * * USB Device Descriptors, for library use when in USB device mode. Descriptors are special * computer-readable structures which the host requests upon device enumeration, to determine * the device's capabilities and functions. */ #include "Descriptors.h" /* On some devices, there is a factory set internal serial number which can be automatically sent to the host as * the device's serial number when the Device Descriptor's .SerialNumStrIndex entry is set to USE_INTERNAL_SERIAL. * This allows the host to track a device across insertions on different ports, allowing them to retain allocated * resources like COM port numbers and drivers. On demos using this feature, give a warning on unsupported devices * so that the user can supply their own serial number descriptor instead or remove the USE_INTERNAL_SERIAL value * from the Device Descriptor (forcing the host to generate a serial number for each device from the VID, PID and * port location). */ #if (USE_INTERNAL_SERIAL == NO_DESCRIPTOR) #warning USE_INTERNAL_SERIAL is not available on this AVR - please manually construct a device serial descriptor. #endif /** Device descriptor structure. This descriptor, located in FLASH memory, describes the overall * device characteristics, including the supported USB version, control endpoint size and the * number of device configurations. The descriptor is read out by the USB host when the enumeration * process begins. */ USB_Descriptor_Device_t PROGMEM DeviceDescriptor = { .Header = {.Size = sizeof(USB_Descriptor_Device_t), .Type = DTYPE_Device}, .USBSpecification = VERSION_BCD(01.10), .Class = 0x02, .SubClass = 0x00, .Protocol = 0x00, .Endpoint0Size = FIXED_CONTROL_ENDPOINT_SIZE, .VendorID = 0x03EB, .ProductID = 0x2044, .ReleaseNumber = 0x0000, .ManufacturerStrIndex = 0x01, .ProductStrIndex = 0x02, .SerialNumStrIndex = USE_INTERNAL_SERIAL, .NumberOfConfigurations = FIXED_NUM_CONFIGURATIONS }; /** Configuration descriptor structure. This descriptor, located in FLASH memory, describes the usage * of the device in one of its supported configurations, including information about any device interfaces * and endpoints. The descriptor is read out by the USB host during the enumeration process when selecting * a configuration so that the host may correctly communicate with the USB device. */ USB_Descriptor_Configuration_t PROGMEM ConfigurationDescriptor = { .Config = { .Header = {.Size = sizeof(USB_Descriptor_Configuration_Header_t), .Type = DTYPE_Configuration}, .TotalConfigurationSize = sizeof(USB_Descriptor_Configuration_t), .TotalInterfaces = 2, .ConfigurationNumber = 1, .ConfigurationStrIndex = NO_DESCRIPTOR, .ConfigAttributes = (USB_CONFIG_ATTR_BUSPOWERED | USB_CONFIG_ATTR_SELFPOWERED), .MaxPowerConsumption = USB_CONFIG_POWER_MA(100) }, .CDC_CCI_Interface = { .Header = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface}, .InterfaceNumber = 0, .AlternateSetting = 0, .TotalEndpoints = 1, .Class = 0x02, .SubClass = 0x02, .Protocol = 0x01, .InterfaceStrIndex = NO_DESCRIPTOR }, .CDC_Functional_IntHeader = { .Header = {.Size = sizeof(CDC_FUNCTIONAL_DESCRIPTOR(2)), .Type = 0x24}, .SubType = 0x00, .Data = {0x01, 0x10} }, .CDC_Functional_AbstractControlManagement = { .Header = {.Size = sizeof(CDC_FUNCTIONAL_DESCRIPTOR(1)), .Type = 0x24}, .SubType = 0x02, .Data = {0x06} }, .CDC_Functional_Union = { .Header = {.Size = sizeof(CDC_FUNCTIONAL_DESCRIPTOR(2)), .Type = 0x24}, .SubType = 0x06, .Data = {0x00, 0x01} }, .CDC_NotificationEndpoint = { .Header = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint}, .EndpointAddress = (ENDPOINT_DESCRIPTOR_DIR_IN | CDC_NOTIFICATION_EPNUM), .Attributes = (EP_TYPE_INTERRUPT | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA), .EndpointSize = CDC_NOTIFICATION_EPSIZE, .PollingIntervalMS = 0xFF }, .CDC_DCI_Interface = { .Header = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface}, .InterfaceNumber = 1, .AlternateSetting = 0, .TotalEndpoints = 2, .Class = 0x0A, .SubClass = 0x00, .Protocol = 0x00, .InterfaceStrIndex = NO_DESCRIPTOR }, .CDC_DataOutEndpoint = { .Header = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint}, .EndpointAddress = (ENDPOINT_DESCRIPTOR_DIR_OUT | CDC_RX_EPNUM), .Attributes = (EP_TYPE_BULK | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA), .EndpointSize = CDC_TXRX_EPSIZE, .PollingIntervalMS = 0x00 }, .CDC_DataInEndpoint = { .Header = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint}, .EndpointAddress = (ENDPOINT_DESCRIPTOR_DIR_IN | CDC_TX_EPNUM), .Attributes = (EP_TYPE_BULK | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA), .EndpointSize = CDC_TXRX_EPSIZE, .PollingIntervalMS = 0x00 } }; /** Language descriptor structure. This descriptor, located in FLASH memory, is returned when the host requests * the string descriptor with index 0 (the first index). It is actually an array of 16-bit integers, which indicate * via the language ID table available at USB.org what languages the device supports for its string descriptors. */ USB_Descriptor_String_t PROGMEM LanguageString = { .Header = {.Size = USB_STRING_LEN(1), .Type = DTYPE_String}, .UnicodeString = {LANGUAGE_ID_ENG} }; /** Manufacturer descriptor string. This is a Unicode string containing the manufacturer's details in human readable * form, and is read out upon request by the host when the appropriate string ID is requested, listed in the Device * Descriptor. */ USB_Descriptor_String_t PROGMEM ManufacturerString = { .Header = {.Size = USB_STRING_LEN(11), .Type = DTYPE_String}, .UnicodeString = L"Dean Camera" }; /** Product descriptor string. This is a Unicode string containing the product's details in human readable form, * and is read out upon request by the host when the appropriate string ID is requested, listed in the Device * Descriptor. */ USB_Descriptor_String_t PROGMEM ProductString = { .Header = {.Size = USB_STRING_LEN(12), .Type = DTYPE_String}, .UnicodeString = L"LED Notifier" }; /** This function is called by the library when in device mode, and must be overridden (see library "USB Descriptors" * documentation) by the application code so that the address and size of a requested descriptor can be given * to the USB library. When the device receives a Get Descriptor request on the control endpoint, this function * is called so that the descriptor details can be passed back and the appropriate descriptor sent back to the * USB host. */ uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue, const uint8_t wIndex, void** const DescriptorAddress) { const uint8_t DescriptorType = (wValue >> 8); const uint8_t DescriptorNumber = (wValue & 0xFF); void* Address = NULL; uint16_t Size = NO_DESCRIPTOR; switch (DescriptorType) { case DTYPE_Device: Address = (void*)&DeviceDescriptor; Size = sizeof(USB_Descriptor_Device_t); break; case DTYPE_Configuration: Address = (void*)&ConfigurationDescriptor; Size = sizeof(USB_Descriptor_Configuration_t); break; case DTYPE_String: switch (DescriptorNumber) { case 0x00: Address = (void*)&LanguageString; Size = pgm_read_byte(&LanguageString.Header.Size); break; case 0x01: Address = (void*)&ManufacturerString; Size = pgm_read_byte(&ManufacturerString.Header.Size); break; case 0x02: Address = (void*)&ProductString; Size = pgm_read_byte(&ProductString.Header.Size); break; } break; } *DescriptorAddress = Address; return Size; } 90'>190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536