1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2009 Sylvestre Gallon. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 #ifndef __LIBUSB_H__ 29 #define __LIBUSB_H__ 30 31 #ifndef LIBUSB_GLOBAL_INCLUDE_FILE 32 #include <stdint.h> 33 #include <sys/time.h> 34 #include <sys/types.h> 35 #endif 36 37 #define LIBUSB_API_VERSION 0x01000102 38 39 #define LIBUSB_CALL 40 41 #ifdef __cplusplus 42 extern "C" { 43 #endif 44 #if 0 45 } /* indent fix */ 46 47 #endif 48 49 /* libusb enums */ 50 51 enum libusb_class_code { 52 LIBUSB_CLASS_PER_INTERFACE = 0, 53 LIBUSB_CLASS_AUDIO = 1, 54 LIBUSB_CLASS_COMM = 2, 55 LIBUSB_CLASS_HID = 3, 56 LIBUSB_CLASS_PHYSICAL = 5, 57 LIBUSB_CLASS_PTP = 6, 58 LIBUSB_CLASS_IMAGE = 6, 59 LIBUSB_CLASS_PRINTER = 7, 60 LIBUSB_CLASS_MASS_STORAGE = 8, 61 LIBUSB_CLASS_HUB = 9, 62 LIBUSB_CLASS_DATA = 10, 63 LIBUSB_CLASS_SMART_CARD = 11, 64 LIBUSB_CLASS_CONTENT_SECURITY = 13, 65 LIBUSB_CLASS_VIDEO = 14, 66 LIBUSB_CLASS_PERSONAL_HEALTHCARE = 15, 67 LIBUSB_CLASS_DIAGNOSTIC_DEVICE = 0xdc, 68 LIBUSB_CLASS_WIRELESS = 0xe0, 69 LIBUSB_CLASS_MISCELLANEOUS = 0xef, 70 LIBUSB_CLASS_APPLICATION = 0xfe, 71 LIBUSB_CLASS_VENDOR_SPEC = 0xff, 72 }; 73 74 enum libusb_descriptor_type { 75 LIBUSB_DT_DEVICE = 0x01, 76 LIBUSB_DT_CONFIG = 0x02, 77 LIBUSB_DT_STRING = 0x03, 78 LIBUSB_DT_INTERFACE = 0x04, 79 LIBUSB_DT_ENDPOINT = 0x05, 80 LIBUSB_DT_HID = 0x21, 81 LIBUSB_DT_REPORT = 0x22, 82 LIBUSB_DT_PHYSICAL = 0x23, 83 LIBUSB_DT_HUB = 0x29, 84 LIBUSB_DT_BOS = 0x0f, 85 LIBUSB_DT_DEVICE_CAPABILITY = 0x10, 86 LIBUSB_DT_SS_ENDPOINT_COMPANION = 0x30, 87 }; 88 89 enum libusb_device_capability_type { 90 LIBUSB_WIRELESS_USB_DEVICE_CAPABILITY = 0x1, 91 LIBUSB_USB_2_0_EXTENSION_DEVICE_CAPABILITY = 0x2, 92 LIBUSB_SS_USB_DEVICE_CAPABILITY = 0x3, 93 LIBUSB_CONTAINER_ID_DEVICE_CAPABILITY = 0x4, 94 }; 95 96 #define LIBUSB_DT_DEVICE_SIZE 18 97 #define LIBUSB_DT_CONFIG_SIZE 9 98 #define LIBUSB_DT_INTERFACE_SIZE 9 99 #define LIBUSB_DT_ENDPOINT_SIZE 7 100 #define LIBUSB_DT_ENDPOINT_AUDIO_SIZE 9 101 #define LIBUSB_DT_HUB_NONVAR_SIZE 7 102 #define LIBUSB_DT_SS_ENDPOINT_COMPANION_SIZE 6 103 #define LIBUSB_DT_BOS_SIZE 5 104 #define LIBUSB_USB_2_0_EXTENSION_DEVICE_CAPABILITY_SIZE 7 105 #define LIBUSB_SS_USB_DEVICE_CAPABILITY_SIZE 10 106 107 #define LIBUSB_BT_USB_2_0_EXTENSION_SIZE 7 108 #define LIBUSB_BT_SS_USB_DEVICE_CAPABILITY_SIZE 10 109 #define LIBUSB_BT_CONTAINER_ID_SIZE 20 110 #define LIBUSB_BT_PLATFORM_DESCRIPTOR_MIN_SIZE 20 111 112 #define LIBUSB_ENDPOINT_ADDRESS_MASK 0x0f 113 #define LIBUSB_ENDPOINT_DIR_MASK 0x80 114 115 enum libusb_endpoint_direction { 116 LIBUSB_ENDPOINT_IN = 0x80, 117 LIBUSB_ENDPOINT_OUT = 0x00, 118 }; 119 120 #define LIBUSB_TRANSFER_TYPE_MASK 0x03 121 122 enum libusb_transfer_type { 123 LIBUSB_TRANSFER_TYPE_CONTROL = 0, 124 LIBUSB_TRANSFER_TYPE_ISOCHRONOUS = 1, 125 LIBUSB_TRANSFER_TYPE_BULK = 2, 126 LIBUSB_TRANSFER_TYPE_INTERRUPT = 3, 127 LIBUSB_TRANSFER_TYPE_BULK_STREAM = 4, 128 }; 129 130 enum libusb_standard_request { 131 LIBUSB_REQUEST_GET_STATUS = 0x00, 132 LIBUSB_REQUEST_CLEAR_FEATURE = 0x01, 133 LIBUSB_REQUEST_SET_FEATURE = 0x03, 134 LIBUSB_REQUEST_SET_ADDRESS = 0x05, 135 LIBUSB_REQUEST_GET_DESCRIPTOR = 0x06, 136 LIBUSB_REQUEST_SET_DESCRIPTOR = 0x07, 137 LIBUSB_REQUEST_GET_CONFIGURATION = 0x08, 138 LIBUSB_REQUEST_SET_CONFIGURATION = 0x09, 139 LIBUSB_REQUEST_GET_INTERFACE = 0x0A, 140 LIBUSB_REQUEST_SET_INTERFACE = 0x0B, 141 LIBUSB_REQUEST_SYNCH_FRAME = 0x0C, 142 LIBUSB_REQUEST_SET_SEL = 0x30, 143 LIBUSB_REQUEST_SET_ISOCH_DELAY = 0x31, 144 }; 145 146 enum libusb_request_type { 147 LIBUSB_REQUEST_TYPE_STANDARD = (0x00 << 5), 148 LIBUSB_REQUEST_TYPE_CLASS = (0x01 << 5), 149 LIBUSB_REQUEST_TYPE_VENDOR = (0x02 << 5), 150 LIBUSB_REQUEST_TYPE_RESERVED = (0x03 << 5), 151 }; 152 153 enum libusb_request_recipient { 154 LIBUSB_RECIPIENT_DEVICE = 0x00, 155 LIBUSB_RECIPIENT_INTERFACE = 0x01, 156 LIBUSB_RECIPIENT_ENDPOINT = 0x02, 157 LIBUSB_RECIPIENT_OTHER = 0x03, 158 }; 159 160 #define LIBUSB_ISO_SYNC_TYPE_MASK 0x0C 161 162 enum libusb_iso_sync_type { 163 LIBUSB_ISO_SYNC_TYPE_NONE = 0, 164 LIBUSB_ISO_SYNC_TYPE_ASYNC = 1, 165 LIBUSB_ISO_SYNC_TYPE_ADAPTIVE = 2, 166 LIBUSB_ISO_SYNC_TYPE_SYNC = 3, 167 }; 168 169 #define LIBUSB_ISO_USAGE_TYPE_MASK 0x30 170 171 enum libusb_iso_usage_type { 172 LIBUSB_ISO_USAGE_TYPE_DATA = 0, 173 LIBUSB_ISO_USAGE_TYPE_FEEDBACK = 1, 174 LIBUSB_ISO_USAGE_TYPE_IMPLICIT = 2, 175 }; 176 177 enum libusb_usb_2_0_extension_attributes { 178 LIBUSB_BM_LPM_SUPPORT = 0x2, 179 }; 180 181 enum libusb_supported_speed { 182 LIBUSB_LOW_SPEED_OPERATION = (1 << 0), 183 LIBUSB_FULL_SPEED_OPERATION = (1 << 1), 184 LIBUSB_HIGH_SPEED_OPERATION = (1 << 2), 185 LIBUSB_SUPER_SPEED_OPERATION = (1 << 3), 186 }; 187 188 enum libusb_bos_type { 189 LIBUSB_BT_WIRELESS_USB_DEVICE_CAPABILITY = 1, 190 LIBUSB_BT_USB_2_0_EXTENSION = 2, 191 LIBUSB_BT_SS_USB_DEVICE_CAPABILITY = 3, 192 LIBUSB_BT_CONTAINER_ID = 4, 193 LIBUSB_BT_PLATFORM_DESCRIPTOR = 5, 194 }; 195 196 enum libusb_capability { 197 /* libusb supports libusb_has_capability(). */ 198 LIBUSB_CAP_HAS_CAPABILITY = 0, 199 /* Hotplug support is available. */ 200 LIBUSB_CAP_HAS_HOTPLUG, 201 /* Can access HID devices without requiring user intervention. */ 202 LIBUSB_CAP_HAS_HID_ACCESS, 203 204 /* 205 * Supports detaching of the default USB driver with 206 * libusb_detach_kernel_driver(). 207 */ 208 LIBUSB_CAP_SUPPORTS_DETACH_KERNEL_DRIVER, 209 }; 210 211 enum libusb_error { 212 LIBUSB_SUCCESS = 0, 213 LIBUSB_ERROR_IO = -1, 214 LIBUSB_ERROR_INVALID_PARAM = -2, 215 LIBUSB_ERROR_ACCESS = -3, 216 LIBUSB_ERROR_NO_DEVICE = -4, 217 LIBUSB_ERROR_NOT_FOUND = -5, 218 LIBUSB_ERROR_BUSY = -6, 219 LIBUSB_ERROR_TIMEOUT = -7, 220 LIBUSB_ERROR_OVERFLOW = -8, 221 LIBUSB_ERROR_PIPE = -9, 222 LIBUSB_ERROR_INTERRUPTED = -10, 223 LIBUSB_ERROR_NO_MEM = -11, 224 LIBUSB_ERROR_NOT_SUPPORTED = -12, 225 LIBUSB_ERROR_OTHER = -99, 226 }; 227 228 #define LIBUSB_ERROR_COUNT 14 229 230 enum libusb_speed { 231 LIBUSB_SPEED_UNKNOWN = 0, 232 LIBUSB_SPEED_LOW = 1, 233 LIBUSB_SPEED_FULL = 2, 234 LIBUSB_SPEED_HIGH = 3, 235 LIBUSB_SPEED_SUPER = 4, 236 LIBUSB_SPEED_SUPER_PLUS = 5, 237 }; 238 239 enum libusb_transfer_status { 240 LIBUSB_TRANSFER_COMPLETED, 241 LIBUSB_TRANSFER_ERROR, 242 LIBUSB_TRANSFER_TIMED_OUT, 243 LIBUSB_TRANSFER_CANCELLED, 244 LIBUSB_TRANSFER_STALL, 245 LIBUSB_TRANSFER_NO_DEVICE, 246 LIBUSB_TRANSFER_OVERFLOW, 247 }; 248 249 enum libusb_transfer_flags { 250 LIBUSB_TRANSFER_SHORT_NOT_OK = 1 << 0, 251 LIBUSB_TRANSFER_FREE_BUFFER = 1 << 1, 252 LIBUSB_TRANSFER_FREE_TRANSFER = 1 << 2, 253 }; 254 255 enum libusb_log_level { 256 LIBUSB_LOG_LEVEL_NONE = 0, 257 LIBUSB_LOG_LEVEL_ERROR, 258 LIBUSB_LOG_LEVEL_WARNING, 259 LIBUSB_LOG_LEVEL_INFO, 260 LIBUSB_LOG_LEVEL_DEBUG 261 }; 262 263 #define LIBUSB_HOTPLUG_MATCH_ANY -1 264 265 typedef enum { 266 LIBUSB_HOTPLUG_NO_FLAGS = 0, 267 LIBUSB_HOTPLUG_ENUMERATE = 1 << 0, 268 } libusb_hotplug_flag; 269 270 typedef enum { 271 LIBUSB_HOTPLUG_EVENT_DEVICE_ARRIVED = 1, 272 LIBUSB_HOTPLUG_EVENT_DEVICE_LEFT = 2, 273 } libusb_hotplug_event; 274 275 enum libusb_option { 276 LIBUSB_OPTION_LOG_LEVEL = 0, 277 LIBUSB_OPTION_USE_USBDK = 1, 278 LIBUSB_OPTION_NO_DEVICE_DISCOVERY = 2, 279 LIBUSB_OPTION_WEAK_AUTHORITY = 2, 280 LIBUSB_OPTION_MAX = 3, 281 }; 282 283 /* libusb structures */ 284 285 struct libusb_context; 286 struct libusb_device; 287 struct libusb_transfer; 288 struct libusb_device_handle; 289 struct libusb_hotplug_callback_handle_struct; 290 291 struct libusb_pollfd { 292 int fd; 293 short events; 294 }; 295 296 struct libusb_version { 297 const uint16_t major; 298 const uint16_t minor; 299 const uint16_t micro; 300 const uint16_t nano; 301 const char *rc; 302 const char *describe; 303 }; 304 305 struct libusb_init_option { 306 enum libusb_option option; 307 union { 308 int64_t ival; 309 } value; 310 }; 311 312 typedef struct libusb_context libusb_context; 313 typedef struct libusb_device libusb_device; 314 typedef struct libusb_device_handle libusb_device_handle; 315 typedef struct libusb_pollfd libusb_pollfd; 316 typedef void (*libusb_pollfd_added_cb) (int fd, short events, void *user_data); 317 typedef void (*libusb_pollfd_removed_cb) (int fd, void *user_data); 318 typedef struct libusb_hotplug_callback_handle_struct *libusb_hotplug_callback_handle; 319 320 typedef struct libusb_device_descriptor { 321 uint8_t bLength; 322 uint8_t bDescriptorType; 323 uint16_t bcdUSB; 324 uint8_t bDeviceClass; 325 uint8_t bDeviceSubClass; 326 uint8_t bDeviceProtocol; 327 uint8_t bMaxPacketSize0; 328 uint16_t idVendor; 329 uint16_t idProduct; 330 uint16_t bcdDevice; 331 uint8_t iManufacturer; 332 uint8_t iProduct; 333 uint8_t iSerialNumber; 334 uint8_t bNumConfigurations; 335 } libusb_device_descriptor; 336 337 typedef struct libusb_endpoint_descriptor { 338 uint8_t bLength; 339 uint8_t bDescriptorType; 340 uint8_t bEndpointAddress; 341 uint8_t bmAttributes; 342 uint16_t wMaxPacketSize; 343 uint8_t bInterval; 344 uint8_t bRefresh; 345 uint8_t bSynchAddress; 346 uint8_t *extra; 347 int extra_length; 348 } libusb_endpoint_descriptor __aligned(sizeof(void *)); 349 350 typedef struct libusb_ss_endpoint_companion_descriptor { 351 uint8_t bLength; 352 uint8_t bDescriptorType; 353 uint8_t bMaxBurst; 354 uint8_t bmAttributes; 355 uint16_t wBytesPerInterval; 356 } libusb_ss_endpoint_companion_descriptor __aligned(sizeof(void *)); 357 358 typedef struct libusb_interface_descriptor { 359 uint8_t bLength; 360 uint8_t bDescriptorType; 361 uint8_t bInterfaceNumber; 362 uint8_t bAlternateSetting; 363 uint8_t bNumEndpoints; 364 uint8_t bInterfaceClass; 365 uint8_t bInterfaceSubClass; 366 uint8_t bInterfaceProtocol; 367 uint8_t iInterface; 368 struct libusb_endpoint_descriptor *endpoint; 369 uint8_t *extra; 370 int extra_length; 371 } libusb_interface_descriptor __aligned(sizeof(void *)); 372 373 typedef struct libusb_interface { 374 struct libusb_interface_descriptor *altsetting; 375 int num_altsetting; 376 } libusb_interface __aligned(sizeof(void *)); 377 378 typedef struct libusb_config_descriptor { 379 uint8_t bLength; 380 uint8_t bDescriptorType; 381 uint16_t wTotalLength; 382 uint8_t bNumInterfaces; 383 uint8_t bConfigurationValue; 384 uint8_t iConfiguration; 385 uint8_t bmAttributes; 386 uint8_t MaxPower; 387 struct libusb_interface *interface; 388 uint8_t *extra; 389 int extra_length; 390 } libusb_config_descriptor __aligned(sizeof(void *)); 391 392 typedef struct libusb_usb_2_0_device_capability_descriptor { 393 uint8_t bLength; 394 uint8_t bDescriptorType; 395 uint8_t bDevCapabilityType; 396 uint32_t bmAttributes; 397 #define LIBUSB_USB_2_0_CAPABILITY_LPM_SUPPORT (1 << 1) 398 } libusb_usb_2_0_device_capability_descriptor __aligned(sizeof(void *)); 399 400 typedef struct libusb_ss_usb_device_capability_descriptor { 401 uint8_t bLength; 402 uint8_t bDescriptorType; 403 uint8_t bDevCapabilityType; 404 uint8_t bmAttributes; 405 #define LIBUSB_SS_USB_CAPABILITY_LPM_SUPPORT (1 << 1) 406 uint16_t wSpeedSupported; 407 #define LIBUSB_CAPABILITY_LOW_SPEED_OPERATION (1) 408 #define LIBUSB_CAPABILITY_FULL_SPEED_OPERATION (1 << 1) 409 #define LIBUSB_CAPABILITY_HIGH_SPEED_OPERATION (1 << 2) 410 #define LIBUSB_CAPABILITY_5GBPS_OPERATION (1 << 3) 411 uint8_t bFunctionalitySupport; 412 uint8_t bU1DevExitLat; 413 uint16_t wU2DevExitLat; 414 } libusb_ss_usb_device_capability_descriptor __aligned(sizeof(void *)); 415 416 typedef struct libusb_bos_dev_capability_descriptor { 417 uint8_t bLength; 418 uint8_t bDescriptorType; 419 uint8_t bDevCapabilityType; 420 uint8_t dev_capability_data[0]; 421 } libusb_bos_dev_capability_descriptor __aligned(sizeof(void *)); 422 423 typedef struct libusb_bos_descriptor { 424 uint8_t bLength; 425 uint8_t bDescriptorType; 426 uint16_t wTotalLength; 427 #ifndef bNumDeviceCapabilities 428 #define bNumDeviceCapabilities bNumDeviceCaps 429 #endif 430 uint8_t bNumDeviceCaps; 431 struct libusb_usb_2_0_device_capability_descriptor *usb_2_0_ext_cap; 432 struct libusb_ss_usb_device_capability_descriptor *ss_usb_cap; 433 struct libusb_bos_dev_capability_descriptor **dev_capability; 434 } libusb_bos_descriptor __aligned(sizeof(void *)); 435 436 typedef struct libusb_usb_2_0_extension_descriptor { 437 uint8_t bLength; 438 uint8_t bDescriptorType; 439 uint8_t bDevCapabilityType; 440 uint32_t bmAttributes; 441 } libusb_usb_2_0_extension_descriptor __aligned(sizeof(void *)); 442 443 typedef struct libusb_container_id_descriptor { 444 uint8_t bLength; 445 uint8_t bDescriptorType; 446 uint8_t bDevCapabilityType; 447 uint8_t bReserved; 448 uint8_t ContainerID[16]; 449 } libusb_container_id_descriptor __aligned(sizeof(void *)); 450 451 typedef struct libusb_platform_descriptor { 452 uint8_t bLength; 453 uint8_t bDescriptorType; 454 uint8_t bDevCapabilityType; 455 uint8_t bReserved; 456 uint8_t PlatformCapabilityUUID[16]; 457 uint8_t CapabilityData[]; 458 } libusb_platform_descriptor __aligned(sizeof(void *)); 459 460 typedef struct libusb_control_setup { 461 uint8_t bmRequestType; 462 uint8_t bRequest; 463 uint16_t wValue; 464 uint16_t wIndex; 465 uint16_t wLength; 466 } libusb_control_setup; 467 468 #define LIBUSB_CONTROL_SETUP_SIZE 8 /* bytes */ 469 470 typedef struct libusb_iso_packet_descriptor { 471 uint32_t length; 472 uint32_t actual_length; 473 enum libusb_transfer_status status; 474 } libusb_iso_packet_descriptor __aligned(sizeof(void *)); 475 476 typedef void (*libusb_transfer_cb_fn) (struct libusb_transfer *transfer); 477 478 typedef struct libusb_transfer { 479 libusb_device_handle *dev_handle; 480 uint8_t flags; 481 uint8_t endpoint; 482 uint8_t type; 483 uint32_t timeout; 484 enum libusb_transfer_status status; 485 int length; 486 int actual_length; 487 libusb_transfer_cb_fn callback; 488 void *user_data; 489 uint8_t *buffer; 490 int num_iso_packets; 491 struct libusb_iso_packet_descriptor iso_packet_desc[0]; 492 } libusb_transfer __aligned(sizeof(void *)); 493 494 /* Library initialisation */ 495 496 void libusb_set_debug(libusb_context * ctx, int level); 497 const struct libusb_version *libusb_get_version(void); 498 const char *libusb_strerror(int code); 499 const char *libusb_error_name(int code); 500 int libusb_init(libusb_context ** context); 501 int libusb_init_context(libusb_context **, const struct libusb_init_option [], int num_options); 502 void libusb_exit(struct libusb_context *ctx); 503 int libusb_has_capability(uint32_t capability); 504 int libusb_setlocale(const char *locale); 505 506 /* Device handling and enumeration */ 507 508 ssize_t libusb_get_device_list(libusb_context * ctx, libusb_device *** list); 509 void libusb_free_device_list(libusb_device ** list, int unref_devices); 510 uint8_t libusb_get_bus_number(libusb_device * dev); 511 uint8_t libusb_get_port_number(libusb_device * dev); 512 int libusb_get_port_numbers(libusb_device *dev, uint8_t *buf, uint8_t bufsize); 513 int libusb_get_port_path(libusb_context *ctx, libusb_device *dev, uint8_t *buf, uint8_t bufsize); 514 uint8_t libusb_get_device_address(libusb_device * dev); 515 enum libusb_speed libusb_get_device_speed(libusb_device * dev); 516 int libusb_clear_halt(libusb_device_handle *devh, uint8_t endpoint); 517 int libusb_get_max_packet_size(libusb_device * dev, uint8_t endpoint); 518 int libusb_get_max_iso_packet_size(libusb_device * dev, uint8_t endpoint); 519 libusb_device *libusb_ref_device(libusb_device * dev); 520 void libusb_unref_device(libusb_device * dev); 521 int libusb_wrap_sys_device(libusb_context *ctx, intptr_t sys_dev, libusb_device_handle **dev_handle); 522 int libusb_open(libusb_device * dev, libusb_device_handle ** devh); 523 libusb_device_handle *libusb_open_device_with_vid_pid(libusb_context * ctx, uint16_t vendor_id, uint16_t product_id); 524 void libusb_close(libusb_device_handle * devh); 525 libusb_device *libusb_get_device(libusb_device_handle * devh); 526 libusb_device *libusb_get_parent(libusb_device * dev); 527 int libusb_get_configuration(libusb_device_handle * devh, int *config); 528 int libusb_set_configuration(libusb_device_handle * devh, int configuration); 529 int libusb_claim_interface(libusb_device_handle * devh, int interface_number); 530 int libusb_release_interface(libusb_device_handle * devh, int interface_number); 531 int libusb_reset_device(libusb_device_handle * devh); 532 int libusb_check_connected(libusb_device_handle * devh); 533 int libusb_kernel_driver_active(libusb_device_handle * devh, int interface); 534 int libusb_get_driver_np(libusb_device_handle * devh, int interface, char *name, int namelen); 535 int libusb_get_driver(libusb_device_handle * devh, int interface, char *name, int namelen); 536 int libusb_detach_kernel_driver_np(libusb_device_handle * devh, int interface); 537 int libusb_detach_kernel_driver(libusb_device_handle * devh, int interface); 538 int libusb_attach_kernel_driver(libusb_device_handle * devh, int interface); 539 int libusb_set_auto_detach_kernel_driver(libusb_device_handle *dev, int enable); 540 int libusb_set_interface_alt_setting(libusb_device_handle * devh, int interface_number, int alternate_setting); 541 unsigned char *libusb_dev_mem_alloc(libusb_device_handle *devh); 542 int libusb_dev_mem_free(libusb_device_handle *devh, unsigned char *buffer, 543 size_t size); 544 545 /* USB Descriptors */ 546 547 int libusb_get_device_descriptor(libusb_device * dev, struct libusb_device_descriptor *desc); 548 int libusb_get_active_config_descriptor(libusb_device * dev, struct libusb_config_descriptor **config); 549 int libusb_get_config_descriptor(libusb_device * dev, uint8_t config_index, struct libusb_config_descriptor **config); 550 int libusb_get_config_descriptor_by_value(libusb_device * dev, uint8_t bConfigurationValue, struct libusb_config_descriptor **config); 551 void libusb_free_config_descriptor(struct libusb_config_descriptor *config); 552 int libusb_get_ss_endpoint_companion_descriptor(struct libusb_context *ctx, const struct libusb_endpoint_descriptor *endpoint, struct libusb_ss_endpoint_companion_descriptor **ep_comp); 553 void libusb_free_ss_endpoint_companion_descriptor(struct libusb_ss_endpoint_companion_descriptor *ep_comp); 554 int libusb_get_string_descriptor(libusb_device_handle * devh, uint8_t desc_index, uint16_t langid, unsigned char *data, int length); 555 int libusb_get_string_descriptor_ascii(libusb_device_handle * devh, uint8_t desc_index, uint8_t *data, int length); 556 int libusb_get_descriptor(libusb_device_handle * devh, uint8_t desc_type, uint8_t desc_index, uint8_t *data, int length); 557 int libusb_parse_ss_endpoint_comp(const void *buf, int len, struct libusb_ss_endpoint_companion_descriptor **ep_comp); 558 void libusb_free_ss_endpoint_comp(struct libusb_ss_endpoint_companion_descriptor *ep_comp); 559 int libusb_parse_bos_descriptor(const void *buf, int len, struct libusb_bos_descriptor **bos); 560 void libusb_free_bos_descriptor(struct libusb_bos_descriptor *bos); 561 int libusb_get_bos_descriptor(libusb_device_handle *handle, struct libusb_bos_descriptor **bos); 562 int libusb_get_usb_2_0_extension_descriptor(struct libusb_context *ctx, struct libusb_bos_dev_capability_descriptor *dev_cap, struct libusb_usb_2_0_extension_descriptor **usb_2_0_extension); 563 void libusb_free_usb_2_0_extension_descriptor(struct libusb_usb_2_0_extension_descriptor *usb_2_0_extension); 564 int libusb_get_ss_usb_device_capability_descriptor(struct libusb_context *ctx, struct libusb_bos_dev_capability_descriptor *dev_cap, struct libusb_ss_usb_device_capability_descriptor **ss_usb_device_capability); 565 void libusb_free_ss_usb_device_capability_descriptor(struct libusb_ss_usb_device_capability_descriptor *ss_usb_device_capability); 566 int libusb_get_container_id_descriptor(struct libusb_context *ctx, struct libusb_bos_dev_capability_descriptor *dev_cap, struct libusb_container_id_descriptor **container_id); 567 void libusb_free_container_id_descriptor(struct libusb_container_id_descriptor *container_id); 568 int libusb_get_platform_descriptor(libusb_context *ctx, struct libusb_bos_dev_capability_descriptor *dev_cap, struct libusb_platform_descriptor **platform_descriptor); 569 void libusb_free_platform_descriptor(struct libusb_platform_descriptor *platform_descriptor); 570 571 /* Asynchronous device I/O */ 572 573 struct libusb_transfer *libusb_alloc_transfer(int iso_packets); 574 void libusb_free_transfer(struct libusb_transfer *transfer); 575 int libusb_submit_transfer(struct libusb_transfer *transfer); 576 int libusb_cancel_transfer(struct libusb_transfer *transfer); 577 uint8_t *libusb_get_iso_packet_buffer(struct libusb_transfer *transfer, uint32_t index); 578 uint8_t *libusb_get_iso_packet_buffer_simple(struct libusb_transfer *transfer, uint32_t index); 579 void libusb_set_iso_packet_lengths(struct libusb_transfer *transfer, uint32_t length); 580 uint8_t *libusb_control_transfer_get_data(struct libusb_transfer *transfer); 581 struct libusb_control_setup *libusb_control_transfer_get_setup(struct libusb_transfer *transfer); 582 void libusb_fill_control_setup(uint8_t *buf, uint8_t bmRequestType, uint8_t bRequest, uint16_t wValue, uint16_t wIndex, uint16_t wLength); 583 void libusb_fill_control_transfer(struct libusb_transfer *transfer, libusb_device_handle *devh, uint8_t *buf, libusb_transfer_cb_fn callback, void *user_data, uint32_t timeout); 584 void libusb_fill_bulk_transfer(struct libusb_transfer *transfer, libusb_device_handle *devh, uint8_t endpoint, uint8_t *buf, int length, libusb_transfer_cb_fn callback, void *user_data, uint32_t timeout); 585 void libusb_fill_bulk_stream_transfer(struct libusb_transfer *transfer, libusb_device_handle *dev_handle, unsigned char endpoint, uint32_t stream_id, unsigned char *buffer, int length, libusb_transfer_cb_fn callback, void *user_data, unsigned int timeout); 586 void libusb_fill_interrupt_transfer(struct libusb_transfer *transfer, libusb_device_handle *devh, uint8_t endpoint, uint8_t *buf, int length, libusb_transfer_cb_fn callback, void *user_data, uint32_t timeout); 587 void libusb_fill_iso_transfer(struct libusb_transfer *transfer, libusb_device_handle *devh, uint8_t endpoint, uint8_t *buf, int length, int npacket, libusb_transfer_cb_fn callback, void *user_data, uint32_t timeout); 588 589 /* Polling and timing */ 590 591 int libusb_try_lock_events(libusb_context * ctx); 592 void libusb_lock_events(libusb_context * ctx); 593 void libusb_unlock_events(libusb_context * ctx); 594 int libusb_event_handling_ok(libusb_context * ctx); 595 int libusb_event_handler_active(libusb_context * ctx); 596 void libusb_interrupt_event_handler(libusb_context *ctx); 597 void libusb_lock_event_waiters(libusb_context * ctx); 598 void libusb_unlock_event_waiters(libusb_context * ctx); 599 int libusb_wait_for_event(libusb_context * ctx, struct timeval *tv); 600 int libusb_handle_events_timeout_completed(libusb_context * ctx, struct timeval *tv, int *completed); 601 int libusb_handle_events_completed(libusb_context * ctx, int *completed); 602 int libusb_handle_events_timeout(libusb_context * ctx, struct timeval *tv); 603 int libusb_handle_events(libusb_context * ctx); 604 int libusb_handle_events_locked(libusb_context * ctx, struct timeval *tv); 605 int libusb_pollfds_handle_timeouts(libusb_context *ctx); 606 int libusb_get_next_timeout(libusb_context * ctx, struct timeval *tv); 607 void libusb_set_pollfd_notifiers(libusb_context * ctx, libusb_pollfd_added_cb added_cb, libusb_pollfd_removed_cb removed_cb, void *user_data); 608 const struct libusb_pollfd **libusb_get_pollfds(libusb_context *ctx); 609 void libusb_free_pollfds(const struct libusb_pollfd **pollfds); 610 611 /* Synchronous device I/O */ 612 613 int libusb_control_transfer(libusb_device_handle * devh, uint8_t bmRequestType, uint8_t bRequest, uint16_t wValue, uint16_t wIndex, uint8_t *data, uint16_t wLength, uint32_t timeout); 614 int libusb_bulk_transfer(libusb_device_handle * devh, uint8_t endpoint, uint8_t *data, int length, int *transferred, uint32_t timeout); 615 int libusb_interrupt_transfer(libusb_device_handle * devh, uint8_t endpoint, uint8_t *data, int length, int *transferred, uint32_t timeout); 616 617 /* Byte-order */ 618 619 uint16_t libusb_cpu_to_le16(uint16_t x); 620 uint16_t libusb_le16_to_cpu(uint16_t x); 621 622 /* Hotplug support */ 623 624 typedef int (*libusb_hotplug_callback_fn)(libusb_context *ctx, 625 libusb_device *device, libusb_hotplug_event event, void *user_data); 626 627 int libusb_hotplug_register_callback(libusb_context *ctx, libusb_hotplug_event events, libusb_hotplug_flag flags, int vendor_id, int product_id, int dev_class, libusb_hotplug_callback_fn cb_fn, void *user_data, libusb_hotplug_callback_handle *handle); 628 void libusb_hotplug_deregister_callback(libusb_context *ctx, libusb_hotplug_callback_handle handle); 629 void *libusb_hotplug_get_user_data(struct libusb_context *ctx, 630 libusb_hotplug_callback_handle callback_handle); 631 632 /* Streams support */ 633 634 int libusb_alloc_streams(libusb_device_handle *dev, uint32_t num_streams, unsigned char *endpoints, int num_endpoints); 635 int libusb_free_streams(libusb_device_handle *dev, unsigned char *endpoints, int num_endpoints); 636 void libusb_transfer_set_stream_id(struct libusb_transfer *transfer, uint32_t stream_id); 637 uint32_t libusb_transfer_get_stream_id(struct libusb_transfer *transfer); 638 639 #if 0 640 { /* indent fix */ 641 #endif 642 #ifdef __cplusplus 643 } 644 645 #endif 646 647 #endif /* __LIBUSB_H__ */ 648