libusb.h revision 301968
1/* $FreeBSD: head/lib/libusb/libusb.h 301968 2016-06-16 16:17:29Z hselasky $ */ 2/*- 3 * Copyright (c) 2009 Sylvestre Gallon. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#ifndef __LIBUSB_H__ 28#define __LIBUSB_H__ 29 30#ifndef LIBUSB_GLOBAL_INCLUDE_FILE 31#include <stdint.h> 32#include <sys/time.h> 33#include <sys/types.h> 34#endif 35 36#define LIBUSB_API_VERSION 0x01000102 37 38#define LIBUSB_CALL 39 40#ifdef __cplusplus 41extern "C" { 42#endif 43#if 0 44} /* indent fix */ 45 46#endif 47 48/* libusb enums */ 49 50enum libusb_class_code { 51 LIBUSB_CLASS_PER_INTERFACE = 0, 52 LIBUSB_CLASS_AUDIO = 1, 53 LIBUSB_CLASS_COMM = 2, 54 LIBUSB_CLASS_HID = 3, 55 LIBUSB_CLASS_PTP = 6, 56 LIBUSB_CLASS_IMAGE = 6, 57 LIBUSB_CLASS_PRINTER = 7, 58 LIBUSB_CLASS_MASS_STORAGE = 8, 59 LIBUSB_CLASS_HUB = 9, 60 LIBUSB_CLASS_DATA = 10, 61 LIBUSB_CLASS_SMART_CARD = 11, 62 LIBUSB_CLASS_CONTENT_SECURITY = 13, 63 LIBUSB_CLASS_VIDEO = 14, 64 LIBUSB_CLASS_PERSONAL_HEALTHCARE = 15, 65 LIBUSB_CLASS_DIAGNOSTIC_DEVICE = 0xdc, 66 LIBUSB_CLASS_WIRELESS = 0xe0, 67 LIBUSB_CLASS_APPLICATION = 0xfe, 68 LIBUSB_CLASS_VENDOR_SPEC = 0xff, 69}; 70 71enum libusb_descriptor_type { 72 LIBUSB_DT_DEVICE = 0x01, 73 LIBUSB_DT_CONFIG = 0x02, 74 LIBUSB_DT_STRING = 0x03, 75 LIBUSB_DT_INTERFACE = 0x04, 76 LIBUSB_DT_ENDPOINT = 0x05, 77 LIBUSB_DT_HID = 0x21, 78 LIBUSB_DT_REPORT = 0x22, 79 LIBUSB_DT_PHYSICAL = 0x23, 80 LIBUSB_DT_HUB = 0x29, 81 LIBUSB_DT_BOS = 0x0f, 82 LIBUSB_DT_DEVICE_CAPABILITY = 0x10, 83 LIBUSB_DT_SS_ENDPOINT_COMPANION = 0x30, 84}; 85 86enum libusb_device_capability_type { 87 LIBUSB_WIRELESS_USB_DEVICE_CAPABILITY = 0x1, 88 LIBUSB_USB_2_0_EXTENSION_DEVICE_CAPABILITY = 0x2, 89 LIBUSB_SS_USB_DEVICE_CAPABILITY = 0x3, 90 LIBUSB_CONTAINER_ID_DEVICE_CAPABILITY = 0x4, 91}; 92 93#define LIBUSB_DT_DEVICE_SIZE 18 94#define LIBUSB_DT_CONFIG_SIZE 9 95#define LIBUSB_DT_INTERFACE_SIZE 9 96#define LIBUSB_DT_ENDPOINT_SIZE 7 97#define LIBUSB_DT_ENDPOINT_AUDIO_SIZE 9 98#define LIBUSB_DT_HUB_NONVAR_SIZE 7 99#define LIBUSB_DT_SS_ENDPOINT_COMPANION_SIZE 6 100#define LIBUSB_DT_BOS_SIZE 5 101#define LIBUSB_USB_2_0_EXTENSION_DEVICE_CAPABILITY_SIZE 7 102#define LIBUSB_SS_USB_DEVICE_CAPABILITY_SIZE 10 103 104#define LIBUSB_BT_USB_2_0_EXTENSION_SIZE 7 105#define LIBUSB_BT_SS_USB_DEVICE_CAPABILITY_SIZE 10 106#define LIBUSB_BT_CONTAINER_ID_SIZE 20 107 108#define LIBUSB_ENDPOINT_ADDRESS_MASK 0x0f 109#define LIBUSB_ENDPOINT_DIR_MASK 0x80 110 111enum libusb_endpoint_direction { 112 LIBUSB_ENDPOINT_IN = 0x80, 113 LIBUSB_ENDPOINT_OUT = 0x00, 114}; 115 116#define LIBUSB_TRANSFER_TYPE_MASK 0x03 117 118enum libusb_transfer_type { 119 LIBUSB_TRANSFER_TYPE_CONTROL = 0, 120 LIBUSB_TRANSFER_TYPE_ISOCHRONOUS = 1, 121 LIBUSB_TRANSFER_TYPE_BULK = 2, 122 LIBUSB_TRANSFER_TYPE_INTERRUPT = 3, 123}; 124 125enum libusb_standard_request { 126 LIBUSB_REQUEST_GET_STATUS = 0x00, 127 LIBUSB_REQUEST_CLEAR_FEATURE = 0x01, 128 LIBUSB_REQUEST_SET_FEATURE = 0x03, 129 LIBUSB_REQUEST_SET_ADDRESS = 0x05, 130 LIBUSB_REQUEST_GET_DESCRIPTOR = 0x06, 131 LIBUSB_REQUEST_SET_DESCRIPTOR = 0x07, 132 LIBUSB_REQUEST_GET_CONFIGURATION = 0x08, 133 LIBUSB_REQUEST_SET_CONFIGURATION = 0x09, 134 LIBUSB_REQUEST_GET_INTERFACE = 0x0A, 135 LIBUSB_REQUEST_SET_INTERFACE = 0x0B, 136 LIBUSB_REQUEST_SYNCH_FRAME = 0x0C, 137 LIBUSB_REQUEST_SET_SEL = 0x30, 138 LIBUSB_REQUEST_SET_ISOCH_DELAY = 0x31, 139}; 140 141enum libusb_request_type { 142 LIBUSB_REQUEST_TYPE_STANDARD = (0x00 << 5), 143 LIBUSB_REQUEST_TYPE_CLASS = (0x01 << 5), 144 LIBUSB_REQUEST_TYPE_VENDOR = (0x02 << 5), 145 LIBUSB_REQUEST_TYPE_RESERVED = (0x03 << 5), 146}; 147 148enum libusb_request_recipient { 149 LIBUSB_RECIPIENT_DEVICE = 0x00, 150 LIBUSB_RECIPIENT_INTERFACE = 0x01, 151 LIBUSB_RECIPIENT_ENDPOINT = 0x02, 152 LIBUSB_RECIPIENT_OTHER = 0x03, 153}; 154 155#define LIBUSB_ISO_SYNC_TYPE_MASK 0x0C 156 157enum libusb_iso_sync_type { 158 LIBUSB_ISO_SYNC_TYPE_NONE = 0, 159 LIBUSB_ISO_SYNC_TYPE_ASYNC = 1, 160 LIBUSB_ISO_SYNC_TYPE_ADAPTIVE = 2, 161 LIBUSB_ISO_SYNC_TYPE_SYNC = 3, 162}; 163 164#define LIBUSB_ISO_USAGE_TYPE_MASK 0x30 165 166enum libusb_iso_usage_type { 167 LIBUSB_ISO_USAGE_TYPE_DATA = 0, 168 LIBUSB_ISO_USAGE_TYPE_FEEDBACK = 1, 169 LIBUSB_ISO_USAGE_TYPE_IMPLICIT = 2, 170}; 171 172enum libusb_bos_type { 173 LIBUSB_BT_WIRELESS_USB_DEVICE_CAPABILITY = 1, 174 LIBUSB_BT_USB_2_0_EXTENSION = 2, 175 LIBUSB_BT_SS_USB_DEVICE_CAPABILITY = 3, 176 LIBUSB_BT_CONTAINER_ID = 4, 177}; 178 179enum libusb_error { 180 LIBUSB_SUCCESS = 0, 181 LIBUSB_ERROR_IO = -1, 182 LIBUSB_ERROR_INVALID_PARAM = -2, 183 LIBUSB_ERROR_ACCESS = -3, 184 LIBUSB_ERROR_NO_DEVICE = -4, 185 LIBUSB_ERROR_NOT_FOUND = -5, 186 LIBUSB_ERROR_BUSY = -6, 187 LIBUSB_ERROR_TIMEOUT = -7, 188 LIBUSB_ERROR_OVERFLOW = -8, 189 LIBUSB_ERROR_PIPE = -9, 190 LIBUSB_ERROR_INTERRUPTED = -10, 191 LIBUSB_ERROR_NO_MEM = -11, 192 LIBUSB_ERROR_NOT_SUPPORTED = -12, 193 LIBUSB_ERROR_OTHER = -99, 194}; 195 196enum libusb_speed { 197 LIBUSB_SPEED_UNKNOWN = 0, 198 LIBUSB_SPEED_LOW = 1, 199 LIBUSB_SPEED_FULL = 2, 200 LIBUSB_SPEED_HIGH = 3, 201 LIBUSB_SPEED_SUPER = 4, 202}; 203 204enum libusb_transfer_status { 205 LIBUSB_TRANSFER_COMPLETED, 206 LIBUSB_TRANSFER_ERROR, 207 LIBUSB_TRANSFER_TIMED_OUT, 208 LIBUSB_TRANSFER_CANCELLED, 209 LIBUSB_TRANSFER_STALL, 210 LIBUSB_TRANSFER_NO_DEVICE, 211 LIBUSB_TRANSFER_OVERFLOW, 212}; 213 214enum libusb_transfer_flags { 215 LIBUSB_TRANSFER_SHORT_NOT_OK = 1 << 0, 216 LIBUSB_TRANSFER_FREE_BUFFER = 1 << 1, 217 LIBUSB_TRANSFER_FREE_TRANSFER = 1 << 2, 218}; 219 220enum libusb_log_level { 221 LIBUSB_LOG_LEVEL_NONE = 0, 222 LIBUSB_LOG_LEVEL_ERROR, 223 LIBUSB_LOG_LEVEL_WARNING, 224 LIBUSB_LOG_LEVEL_INFO, 225 LIBUSB_LOG_LEVEL_DEBUG 226}; 227 228/* XXX */ 229/* libusb_set_debug should take parameters from libusb_log_level 230 * above according to 231 * http://libusb.sourceforge.net/api-1.0/group__lib.html 232 */ 233enum libusb_debug_level { 234 LIBUSB_DEBUG_NO=0, 235 LIBUSB_DEBUG_FUNCTION=1, 236 LIBUSB_DEBUG_TRANSFER=2, 237}; 238 239/* libusb structures */ 240 241struct libusb_context; 242struct libusb_device; 243struct libusb_transfer; 244struct libusb_device_handle; 245 246struct libusb_pollfd { 247 int fd; 248 short events; 249}; 250 251struct libusb_version { 252 const uint16_t major; 253 const uint16_t minor; 254 const uint16_t micro; 255 const uint16_t nano; 256 const char *rc; 257 const char *describe; 258}; 259 260typedef struct libusb_context libusb_context; 261typedef struct libusb_device libusb_device; 262typedef struct libusb_device_handle libusb_device_handle; 263typedef struct libusb_pollfd libusb_pollfd; 264typedef void (*libusb_pollfd_added_cb) (int fd, short events, void *user_data); 265typedef void (*libusb_pollfd_removed_cb) (int fd, void *user_data); 266 267typedef struct libusb_device_descriptor { 268 uint8_t bLength; 269 uint8_t bDescriptorType; 270 uint16_t bcdUSB; 271 uint8_t bDeviceClass; 272 uint8_t bDeviceSubClass; 273 uint8_t bDeviceProtocol; 274 uint8_t bMaxPacketSize0; 275 uint16_t idVendor; 276 uint16_t idProduct; 277 uint16_t bcdDevice; 278 uint8_t iManufacturer; 279 uint8_t iProduct; 280 uint8_t iSerialNumber; 281 uint8_t bNumConfigurations; 282} libusb_device_descriptor; 283 284typedef struct libusb_endpoint_descriptor { 285 uint8_t bLength; 286 uint8_t bDescriptorType; 287 uint8_t bEndpointAddress; 288 uint8_t bmAttributes; 289 uint16_t wMaxPacketSize; 290 uint8_t bInterval; 291 uint8_t bRefresh; 292 uint8_t bSynchAddress; 293 uint8_t *extra; 294 int extra_length; 295} libusb_endpoint_descriptor __aligned(sizeof(void *)); 296 297typedef struct libusb_ss_endpoint_companion_descriptor { 298 uint8_t bLength; 299 uint8_t bDescriptorType; 300 uint8_t bMaxBurst; 301 uint8_t bmAttributes; 302 uint16_t wBytesPerInterval; 303} libusb_ss_endpoint_companion_descriptor __aligned(sizeof(void *)); 304 305typedef struct libusb_interface_descriptor { 306 uint8_t bLength; 307 uint8_t bDescriptorType; 308 uint8_t bInterfaceNumber; 309 uint8_t bAlternateSetting; 310 uint8_t bNumEndpoints; 311 uint8_t bInterfaceClass; 312 uint8_t bInterfaceSubClass; 313 uint8_t bInterfaceProtocol; 314 uint8_t iInterface; 315 struct libusb_endpoint_descriptor *endpoint; 316 uint8_t *extra; 317 int extra_length; 318} libusb_interface_descriptor __aligned(sizeof(void *)); 319 320typedef struct libusb_interface { 321 struct libusb_interface_descriptor *altsetting; 322 int num_altsetting; 323} libusb_interface __aligned(sizeof(void *)); 324 325typedef struct libusb_config_descriptor { 326 uint8_t bLength; 327 uint8_t bDescriptorType; 328 uint16_t wTotalLength; 329 uint8_t bNumInterfaces; 330 uint8_t bConfigurationValue; 331 uint8_t iConfiguration; 332 uint8_t bmAttributes; 333 uint8_t MaxPower; 334 struct libusb_interface *interface; 335 uint8_t *extra; 336 int extra_length; 337} libusb_config_descriptor __aligned(sizeof(void *)); 338 339typedef struct libusb_usb_2_0_device_capability_descriptor { 340 uint8_t bLength; 341 uint8_t bDescriptorType; 342 uint8_t bDevCapabilityType; 343 uint32_t bmAttributes; 344#define LIBUSB_USB_2_0_CAPABILITY_LPM_SUPPORT (1 << 1) 345} libusb_usb_2_0_device_capability_descriptor __aligned(sizeof(void *)); 346 347typedef struct libusb_ss_usb_device_capability_descriptor { 348 uint8_t bLength; 349 uint8_t bDescriptorType; 350 uint8_t bDevCapabilityType; 351 uint8_t bmAttributes; 352#define LIBUSB_SS_USB_CAPABILITY_LPM_SUPPORT (1 << 1) 353 uint16_t wSpeedSupported; 354#define LIBUSB_CAPABILITY_LOW_SPEED_OPERATION (1) 355#define LIBUSB_CAPABILITY_FULL_SPEED_OPERATION (1 << 1) 356#define LIBUSB_CAPABILITY_HIGH_SPEED_OPERATION (1 << 2) 357#define LIBUSB_CAPABILITY_5GBPS_OPERATION (1 << 3) 358 uint8_t bFunctionalitySupport; 359 uint8_t bU1DevExitLat; 360 uint16_t wU2DevExitLat; 361} libusb_ss_usb_device_capability_descriptor __aligned(sizeof(void *)); 362 363typedef struct libusb_bos_dev_capability_descriptor { 364 uint8_t bLength; 365 uint8_t bDescriptorType; 366 uint8_t bDevCapabilityType; 367 uint8_t dev_capability_data[0]; 368} libusb_bos_dev_capability_descriptor __aligned(sizeof(void *)); 369 370typedef struct libusb_bos_descriptor { 371 uint8_t bLength; 372 uint8_t bDescriptorType; 373 uint16_t wTotalLength; 374 uint8_t bNumDeviceCapabilities; 375 struct libusb_usb_2_0_device_capability_descriptor *usb_2_0_ext_cap; 376 struct libusb_ss_usb_device_capability_descriptor *ss_usb_cap; 377} libusb_bos_descriptor __aligned(sizeof(void *)); 378 379typedef struct libusb_usb_2_0_extension_descriptor { 380 uint8_t bLength; 381 uint8_t bDescriptorType; 382 uint8_t bDevCapabilityType; 383 uint32_t bmAttributes; 384} libusb_usb_2_0_extension_descriptor __aligned(sizeof(void *)); 385 386typedef struct libusb_container_id_descriptor { 387 uint8_t bLength; 388 uint8_t bDescriptorType; 389 uint8_t bDevCapabilityType; 390 uint8_t bReserved; 391 uint8_t ContainerID[16]; 392} libusb_container_id_descriptor __aligned(sizeof(void *)); 393 394typedef struct libusb_control_setup { 395 uint8_t bmRequestType; 396 uint8_t bRequest; 397 uint16_t wValue; 398 uint16_t wIndex; 399 uint16_t wLength; 400} libusb_control_setup; 401 402#define LIBUSB_CONTROL_SETUP_SIZE 8 /* bytes */ 403 404typedef struct libusb_iso_packet_descriptor { 405 uint32_t length; 406 uint32_t actual_length; 407 enum libusb_transfer_status status; 408} libusb_iso_packet_descriptor __aligned(sizeof(void *)); 409 410typedef void (*libusb_transfer_cb_fn) (struct libusb_transfer *transfer); 411 412typedef struct libusb_transfer { 413 libusb_device_handle *dev_handle; 414 uint8_t flags; 415 uint8_t endpoint; 416 uint8_t type; 417 uint32_t timeout; 418 enum libusb_transfer_status status; 419 int length; 420 int actual_length; 421 libusb_transfer_cb_fn callback; 422 void *user_data; 423 uint8_t *buffer; 424 int num_iso_packets; 425 struct libusb_iso_packet_descriptor iso_packet_desc[0]; 426} libusb_transfer __aligned(sizeof(void *)); 427 428/* Library initialisation */ 429 430void libusb_set_debug(libusb_context * ctx, int level); 431const struct libusb_version *libusb_get_version(void); 432const char *libusb_strerror(int code); 433const char *libusb_error_name(int code); 434int libusb_init(libusb_context ** context); 435void libusb_exit(struct libusb_context *ctx); 436 437/* Device handling and enumeration */ 438 439ssize_t libusb_get_device_list(libusb_context * ctx, libusb_device *** list); 440void libusb_free_device_list(libusb_device ** list, int unref_devices); 441uint8_t libusb_get_bus_number(libusb_device * dev); 442uint8_t libusb_get_port_number(libusb_device * dev); 443int libusb_get_port_numbers(libusb_device *dev, uint8_t *buf, uint8_t bufsize); 444int libusb_get_port_path(libusb_context *ctx, libusb_device *dev, uint8_t *buf, uint8_t bufsize); 445uint8_t libusb_get_device_address(libusb_device * dev); 446enum libusb_speed libusb_get_device_speed(libusb_device * dev); 447int libusb_clear_halt(libusb_device_handle *devh, uint8_t endpoint); 448int libusb_get_max_packet_size(libusb_device * dev, uint8_t endpoint); 449int libusb_get_max_iso_packet_size(libusb_device * dev, uint8_t endpoint); 450libusb_device *libusb_ref_device(libusb_device * dev); 451void libusb_unref_device(libusb_device * dev); 452int libusb_open(libusb_device * dev, libusb_device_handle ** devh); 453libusb_device_handle *libusb_open_device_with_vid_pid(libusb_context * ctx, uint16_t vendor_id, uint16_t product_id); 454void libusb_close(libusb_device_handle * devh); 455libusb_device *libusb_get_device(libusb_device_handle * devh); 456int libusb_get_configuration(libusb_device_handle * devh, int *config); 457int libusb_set_configuration(libusb_device_handle * devh, int configuration); 458int libusb_claim_interface(libusb_device_handle * devh, int interface_number); 459int libusb_release_interface(libusb_device_handle * devh, int interface_number); 460int libusb_reset_device(libusb_device_handle * devh); 461int libusb_check_connected(libusb_device_handle * devh); 462int libusb_kernel_driver_active(libusb_device_handle * devh, int interface); 463int libusb_get_driver_np(libusb_device_handle * devh, int interface, char *name, int namelen); 464int libusb_get_driver(libusb_device_handle * devh, int interface, char *name, int namelen); 465int libusb_detach_kernel_driver_np(libusb_device_handle * devh, int interface); 466int libusb_detach_kernel_driver(libusb_device_handle * devh, int interface); 467int libusb_attach_kernel_driver(libusb_device_handle * devh, int interface); 468int libusb_set_auto_detach_kernel_driver(libusb_device_handle *dev, int enable); 469int libusb_set_interface_alt_setting(libusb_device_handle * devh, int interface_number, int alternate_setting); 470 471/* USB Descriptors */ 472 473int libusb_get_device_descriptor(libusb_device * dev, struct libusb_device_descriptor *desc); 474int libusb_get_active_config_descriptor(libusb_device * dev, struct libusb_config_descriptor **config); 475int libusb_get_config_descriptor(libusb_device * dev, uint8_t config_index, struct libusb_config_descriptor **config); 476int libusb_get_config_descriptor_by_value(libusb_device * dev, uint8_t bConfigurationValue, struct libusb_config_descriptor **config); 477void libusb_free_config_descriptor(struct libusb_config_descriptor *config); 478int libusb_get_ss_endpoint_companion_descriptor(struct libusb_context *ctx, const struct libusb_endpoint_descriptor *endpoint, struct libusb_ss_endpoint_companion_descriptor **ep_comp); 479void libusb_free_ss_endpoint_companion_descriptor(struct libusb_ss_endpoint_companion_descriptor *ep_comp); 480int libusb_get_string_descriptor(libusb_device_handle * devh, uint8_t desc_index, uint16_t langid, unsigned char *data, int length); 481int libusb_get_string_descriptor_ascii(libusb_device_handle * devh, uint8_t desc_index, uint8_t *data, int length); 482int libusb_get_descriptor(libusb_device_handle * devh, uint8_t desc_type, uint8_t desc_index, uint8_t *data, int length); 483int libusb_parse_ss_endpoint_comp(const void *buf, int len, struct libusb_ss_endpoint_companion_descriptor **ep_comp); 484void libusb_free_ss_endpoint_comp(struct libusb_ss_endpoint_companion_descriptor *ep_comp); 485int libusb_parse_bos_descriptor(const void *buf, int len, struct libusb_bos_descriptor **bos); 486void libusb_free_bos_descriptor(struct libusb_bos_descriptor *bos); 487int libusb_get_bos_descriptor(libusb_device_handle *handle, struct libusb_bos_descriptor **bos); 488int 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); 489void libusb_free_usb_2_0_extension_descriptor(struct libusb_usb_2_0_extension_descriptor *usb_2_0_extension); 490int 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); 491void libusb_free_ss_usb_device_capability_descriptor(struct libusb_ss_usb_device_capability_descriptor *ss_usb_device_capability); 492int libusb_get_container_id_descriptor(struct libusb_context *ctx, struct libusb_bos_dev_capability_descriptor *dev_cap, struct libusb_container_id_descriptor **container_id); 493void libusb_free_container_id_descriptor(struct libusb_container_id_descriptor *container_id); 494 495/* Asynchronous device I/O */ 496 497struct libusb_transfer *libusb_alloc_transfer(int iso_packets); 498void libusb_free_transfer(struct libusb_transfer *transfer); 499int libusb_submit_transfer(struct libusb_transfer *transfer); 500int libusb_cancel_transfer(struct libusb_transfer *transfer); 501uint8_t *libusb_get_iso_packet_buffer(struct libusb_transfer *transfer, uint32_t index); 502uint8_t *libusb_get_iso_packet_buffer_simple(struct libusb_transfer *transfer, uint32_t index); 503void libusb_set_iso_packet_lengths(struct libusb_transfer *transfer, uint32_t length); 504uint8_t *libusb_control_transfer_get_data(struct libusb_transfer *transfer); 505struct libusb_control_setup *libusb_control_transfer_get_setup(struct libusb_transfer *transfer); 506void libusb_fill_control_setup(uint8_t *buf, uint8_t bmRequestType, uint8_t bRequest, uint16_t wValue, uint16_t wIndex, uint16_t wLength); 507void 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); 508void 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); 509void 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); 510void 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); 511 512/* Polling and timing */ 513 514int libusb_try_lock_events(libusb_context * ctx); 515void libusb_lock_events(libusb_context * ctx); 516void libusb_unlock_events(libusb_context * ctx); 517int libusb_event_handling_ok(libusb_context * ctx); 518int libusb_event_handler_active(libusb_context * ctx); 519void libusb_lock_event_waiters(libusb_context * ctx); 520void libusb_unlock_event_waiters(libusb_context * ctx); 521int libusb_wait_for_event(libusb_context * ctx, struct timeval *tv); 522int libusb_handle_events_timeout_completed(libusb_context * ctx, struct timeval *tv, int *completed); 523int libusb_handle_events_completed(libusb_context * ctx, int *completed); 524int libusb_handle_events_timeout(libusb_context * ctx, struct timeval *tv); 525int libusb_handle_events(libusb_context * ctx); 526int libusb_handle_events_locked(libusb_context * ctx, struct timeval *tv); 527int libusb_get_next_timeout(libusb_context * ctx, struct timeval *tv); 528void libusb_set_pollfd_notifiers(libusb_context * ctx, libusb_pollfd_added_cb added_cb, libusb_pollfd_removed_cb removed_cb, void *user_data); 529const struct libusb_pollfd **libusb_get_pollfds(libusb_context * ctx); 530 531/* Synchronous device I/O */ 532 533int 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); 534int libusb_bulk_transfer(libusb_device_handle * devh, uint8_t endpoint, uint8_t *data, int length, int *transferred, uint32_t timeout); 535int libusb_interrupt_transfer(libusb_device_handle * devh, uint8_t endpoint, uint8_t *data, int length, int *transferred, uint32_t timeout); 536 537/* Byte-order */ 538 539uint16_t libusb_cpu_to_le16(uint16_t x); 540uint16_t libusb_le16_to_cpu(uint16_t x); 541 542#if 0 543{ /* indent fix */ 544#endif 545#ifdef __cplusplus 546} 547 548#endif 549 550#endif /* __LIBUSB_H__ */ 551