1/* $FreeBSD$ */ 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_CALL 37 38#ifdef __cplusplus 39extern "C" { 40#endif 41#if 0 42} /* indent fix */ 43 44#endif 45 46/* libusb enums */ 47 48enum libusb_class_code { 49 LIBUSB_CLASS_PER_INTERFACE = 0, 50 LIBUSB_CLASS_AUDIO = 1, 51 LIBUSB_CLASS_COMM = 2, 52 LIBUSB_CLASS_HID = 3, 53 LIBUSB_CLASS_PTP = 6, 54 LIBUSB_CLASS_IMAGE = 6, 55 LIBUSB_CLASS_PRINTER = 7, 56 LIBUSB_CLASS_MASS_STORAGE = 8, 57 LIBUSB_CLASS_HUB = 9, 58 LIBUSB_CLASS_DATA = 10, 59 LIBUSB_CLASS_SMART_CARD = 11, 60 LIBUSB_CLASS_CONTENT_SECURITY = 13, 61 LIBUSB_CLASS_VIDEO = 14, 62 LIBUSB_CLASS_PERSONAL_HEALTHCARE = 15, 63 LIBUSB_CLASS_DIAGNOSTIC_DEVICE = 0xdc, 64 LIBUSB_CLASS_WIRELESS = 0xe0, 65 LIBUSB_CLASS_APPLICATION = 0xfe, 66 LIBUSB_CLASS_VENDOR_SPEC = 0xff, 67}; 68 69enum libusb_descriptor_type { 70 LIBUSB_DT_DEVICE = 0x01, 71 LIBUSB_DT_CONFIG = 0x02, 72 LIBUSB_DT_STRING = 0x03, 73 LIBUSB_DT_INTERFACE = 0x04, 74 LIBUSB_DT_ENDPOINT = 0x05, 75 LIBUSB_DT_HID = 0x21, 76 LIBUSB_DT_REPORT = 0x22, 77 LIBUSB_DT_PHYSICAL = 0x23, 78 LIBUSB_DT_HUB = 0x29, 79 LIBUSB_DT_BOS = 0x0f, 80 LIBUSB_DT_DEVICE_CAPABILITY = 0x10, 81 LIBUSB_DT_SS_ENDPOINT_COMPANION = 0x30, 82}; 83 84enum libusb_device_capability_type { 85 LIBUSB_WIRELESS_USB_DEVICE_CAPABILITY = 0x1, 86 LIBUSB_USB_2_0_EXTENSION_DEVICE_CAPABILITY = 0x2, 87 LIBUSB_SS_USB_DEVICE_CAPABILITY = 0x3, 88 LIBUSB_CONTAINER_ID_DEVICE_CAPABILITY = 0x4, 89}; 90 91#define LIBUSB_DT_DEVICE_SIZE 18 92#define LIBUSB_DT_CONFIG_SIZE 9 93#define LIBUSB_DT_INTERFACE_SIZE 9 94#define LIBUSB_DT_ENDPOINT_SIZE 7 95#define LIBUSB_DT_ENDPOINT_AUDIO_SIZE 9 96#define LIBUSB_DT_HUB_NONVAR_SIZE 7 97#define LIBUSB_DT_SS_ENDPOINT_COMPANION_SIZE 6 98#define LIBUSB_DT_BOS_SIZE 5 99#define LIBUSB_USB_2_0_EXTENSION_DEVICE_CAPABILITY_SIZE 7 100#define LIBUSB_SS_USB_DEVICE_CAPABILITY_SIZE 10 101 102#define LIBUSB_ENDPOINT_ADDRESS_MASK 0x0f 103#define LIBUSB_ENDPOINT_DIR_MASK 0x80 104 105enum libusb_endpoint_direction { 106 LIBUSB_ENDPOINT_IN = 0x80, 107 LIBUSB_ENDPOINT_OUT = 0x00, 108}; 109 110#define LIBUSB_TRANSFER_TYPE_MASK 0x03 111 112enum libusb_transfer_type { 113 LIBUSB_TRANSFER_TYPE_CONTROL = 0, 114 LIBUSB_TRANSFER_TYPE_ISOCHRONOUS = 1, 115 LIBUSB_TRANSFER_TYPE_BULK = 2, 116 LIBUSB_TRANSFER_TYPE_INTERRUPT = 3, 117}; 118 119enum libusb_standard_request { 120 LIBUSB_REQUEST_GET_STATUS = 0x00, 121 LIBUSB_REQUEST_CLEAR_FEATURE = 0x01, 122 LIBUSB_REQUEST_SET_FEATURE = 0x03, 123 LIBUSB_REQUEST_SET_ADDRESS = 0x05, 124 LIBUSB_REQUEST_GET_DESCRIPTOR = 0x06, 125 LIBUSB_REQUEST_SET_DESCRIPTOR = 0x07, 126 LIBUSB_REQUEST_GET_CONFIGURATION = 0x08, 127 LIBUSB_REQUEST_SET_CONFIGURATION = 0x09, 128 LIBUSB_REQUEST_GET_INTERFACE = 0x0A, 129 LIBUSB_REQUEST_SET_INTERFACE = 0x0B, 130 LIBUSB_REQUEST_SYNCH_FRAME = 0x0C, 131}; 132 133enum libusb_request_type { 134 LIBUSB_REQUEST_TYPE_STANDARD = (0x00 << 5), 135 LIBUSB_REQUEST_TYPE_CLASS = (0x01 << 5), 136 LIBUSB_REQUEST_TYPE_VENDOR = (0x02 << 5), 137 LIBUSB_REQUEST_TYPE_RESERVED = (0x03 << 5), 138}; 139 140enum libusb_request_recipient { 141 LIBUSB_RECIPIENT_DEVICE = 0x00, 142 LIBUSB_RECIPIENT_INTERFACE = 0x01, 143 LIBUSB_RECIPIENT_ENDPOINT = 0x02, 144 LIBUSB_RECIPIENT_OTHER = 0x03, 145}; 146 147#define LIBUSB_ISO_SYNC_TYPE_MASK 0x0C 148 149enum libusb_iso_sync_type { 150 LIBUSB_ISO_SYNC_TYPE_NONE = 0, 151 LIBUSB_ISO_SYNC_TYPE_ASYNC = 1, 152 LIBUSB_ISO_SYNC_TYPE_ADAPTIVE = 2, 153 LIBUSB_ISO_SYNC_TYPE_SYNC = 3, 154}; 155 156#define LIBUSB_ISO_USAGE_TYPE_MASK 0x30 157 158enum libusb_iso_usage_type { 159 LIBUSB_ISO_USAGE_TYPE_DATA = 0, 160 LIBUSB_ISO_USAGE_TYPE_FEEDBACK = 1, 161 LIBUSB_ISO_USAGE_TYPE_IMPLICIT = 2, 162}; 163 164enum libusb_error { 165 LIBUSB_SUCCESS = 0, 166 LIBUSB_ERROR_IO = -1, 167 LIBUSB_ERROR_INVALID_PARAM = -2, 168 LIBUSB_ERROR_ACCESS = -3, 169 LIBUSB_ERROR_NO_DEVICE = -4, 170 LIBUSB_ERROR_NOT_FOUND = -5, 171 LIBUSB_ERROR_BUSY = -6, 172 LIBUSB_ERROR_TIMEOUT = -7, 173 LIBUSB_ERROR_OVERFLOW = -8, 174 LIBUSB_ERROR_PIPE = -9, 175 LIBUSB_ERROR_INTERRUPTED = -10, 176 LIBUSB_ERROR_NO_MEM = -11, 177 LIBUSB_ERROR_NOT_SUPPORTED = -12, 178 LIBUSB_ERROR_OTHER = -99, 179}; 180 181enum libusb_speed { 182 LIBUSB_SPEED_UNKNOWN = 0, 183 LIBUSB_SPEED_LOW = 1, 184 LIBUSB_SPEED_FULL = 2, 185 LIBUSB_SPEED_HIGH = 3, 186 LIBUSB_SPEED_SUPER = 4, 187}; 188 189enum libusb_transfer_status { 190 LIBUSB_TRANSFER_COMPLETED, 191 LIBUSB_TRANSFER_ERROR, 192 LIBUSB_TRANSFER_TIMED_OUT, 193 LIBUSB_TRANSFER_CANCELLED, 194 LIBUSB_TRANSFER_STALL, 195 LIBUSB_TRANSFER_NO_DEVICE, 196 LIBUSB_TRANSFER_OVERFLOW, 197}; 198 199enum libusb_transfer_flags { 200 LIBUSB_TRANSFER_SHORT_NOT_OK = 1 << 0, 201 LIBUSB_TRANSFER_FREE_BUFFER = 1 << 1, 202 LIBUSB_TRANSFER_FREE_TRANSFER = 1 << 2, 203}; 204 205enum libusb_log_level { 206 LIBUSB_LOG_LEVEL_NONE = 0, 207 LIBUSB_LOG_LEVEL_ERROR, 208 LIBUSB_LOG_LEVEL_WARNING, 209 LIBUSB_LOG_LEVEL_INFO, 210 LIBUSB_LOG_LEVEL_DEBUG 211}; 212 213/* XXX */ 214/* libusb_set_debug should take parameters from libusb_log_level 215 * above according to 216 * http://libusb.sourceforge.net/api-1.0/group__lib.html 217 */ 218enum libusb_debug_level { 219 LIBUSB_DEBUG_NO=0, 220 LIBUSB_DEBUG_FUNCTION=1, 221 LIBUSB_DEBUG_TRANSFER=2, 222}; 223 224/* libusb structures */ 225 226struct libusb_context; 227struct libusb_device; 228struct libusb_transfer; 229struct libusb_device_handle; 230 231struct libusb_pollfd { 232 int fd; 233 short events; 234}; 235 236typedef struct libusb_context libusb_context; 237typedef struct libusb_device libusb_device; 238typedef struct libusb_device_handle libusb_device_handle; 239typedef struct libusb_pollfd libusb_pollfd; 240typedef void (*libusb_pollfd_added_cb) (int fd, short events, void *user_data); 241typedef void (*libusb_pollfd_removed_cb) (int fd, void *user_data); 242 243typedef struct libusb_device_descriptor { 244 uint8_t bLength; 245 uint8_t bDescriptorType; 246 uint16_t bcdUSB; 247 uint8_t bDeviceClass; 248 uint8_t bDeviceSubClass; 249 uint8_t bDeviceProtocol; 250 uint8_t bMaxPacketSize0; 251 uint16_t idVendor; 252 uint16_t idProduct; 253 uint16_t bcdDevice; 254 uint8_t iManufacturer; 255 uint8_t iProduct; 256 uint8_t iSerialNumber; 257 uint8_t bNumConfigurations; 258} libusb_device_descriptor; 259 260typedef struct libusb_endpoint_descriptor { 261 uint8_t bLength; 262 uint8_t bDescriptorType; 263 uint8_t bEndpointAddress; 264 uint8_t bmAttributes; 265 uint16_t wMaxPacketSize; 266 uint8_t bInterval; 267 uint8_t bRefresh; 268 uint8_t bSynchAddress; 269 uint8_t *extra; 270 int extra_length; 271} libusb_endpoint_descriptor __aligned(sizeof(void *)); 272 273typedef struct libusb_ss_endpoint_companion_descriptor { 274 uint8_t bLength; 275 uint8_t bDescriptorType; 276 uint8_t bMaxBurst; 277 uint8_t bmAttributes; 278 uint16_t wBytesPerInterval; 279} libusb_ss_endpoint_companion_descriptor __aligned(sizeof(void *)); 280 281typedef struct libusb_interface_descriptor { 282 uint8_t bLength; 283 uint8_t bDescriptorType; 284 uint8_t bInterfaceNumber; 285 uint8_t bAlternateSetting; 286 uint8_t bNumEndpoints; 287 uint8_t bInterfaceClass; 288 uint8_t bInterfaceSubClass; 289 uint8_t bInterfaceProtocol; 290 uint8_t iInterface; 291 struct libusb_endpoint_descriptor *endpoint; 292 uint8_t *extra; 293 int extra_length; 294} libusb_interface_descriptor __aligned(sizeof(void *)); 295 296typedef struct libusb_interface { 297 struct libusb_interface_descriptor *altsetting; 298 int num_altsetting; 299} libusb_interface __aligned(sizeof(void *)); 300 301typedef struct libusb_config_descriptor { 302 uint8_t bLength; 303 uint8_t bDescriptorType; 304 uint16_t wTotalLength; 305 uint8_t bNumInterfaces; 306 uint8_t bConfigurationValue; 307 uint8_t iConfiguration; 308 uint8_t bmAttributes; 309 uint8_t MaxPower; 310 struct libusb_interface *interface; 311 uint8_t *extra; 312 int extra_length; 313} libusb_config_descriptor __aligned(sizeof(void *)); 314 315typedef struct libusb_usb_2_0_device_capability_descriptor { 316 uint8_t bLength; 317 uint8_t bDescriptorType; 318 uint8_t bDevCapabilityType; 319 uint32_t bmAttributes; 320#define LIBUSB_USB_2_0_CAPABILITY_LPM_SUPPORT (1 << 1) 321} libusb_usb_2_0_device_capability_descriptor __aligned(sizeof(void *)); 322 323typedef struct libusb_ss_usb_device_capability_descriptor { 324 uint8_t bLength; 325 uint8_t bDescriptorType; 326 uint8_t bDevCapabilityType; 327 uint8_t bmAttributes; 328#define LIBUSB_SS_USB_CAPABILITY_LPM_SUPPORT (1 << 1) 329 uint16_t wSpeedSupported; 330#define LIBUSB_CAPABILITY_LOW_SPEED_OPERATION (1) 331#define LIBUSB_CAPABILITY_FULL_SPEED_OPERATION (1 << 1) 332#define LIBUSB_CAPABILITY_HIGH_SPEED_OPERATION (1 << 2) 333#define LIBUSB_CAPABILITY_5GBPS_OPERATION (1 << 3) 334 uint8_t bFunctionalitySupport; 335 uint8_t bU1DevExitLat; 336 uint16_t wU2DevExitLat; 337} libusb_ss_usb_device_capability_descriptor __aligned(sizeof(void *)); 338 339typedef struct libusb_bos_descriptor { 340 uint8_t bLength; 341 uint8_t bDescriptorType; 342 uint16_t wTotalLength; 343 uint8_t bNumDeviceCapabilities; 344 struct libusb_usb_2_0_device_capability_descriptor *usb_2_0_ext_cap; 345 struct libusb_ss_usb_device_capability_descriptor *ss_usb_cap; 346} libusb_bos_descriptor __aligned(sizeof(void *)); 347 348typedef struct libusb_control_setup { 349 uint8_t bmRequestType; 350 uint8_t bRequest; 351 uint16_t wValue; 352 uint16_t wIndex; 353 uint16_t wLength; 354} libusb_control_setup; 355 356#define LIBUSB_CONTROL_SETUP_SIZE 8 /* bytes */ 357 358typedef struct libusb_iso_packet_descriptor { 359 uint32_t length; 360 uint32_t actual_length; 361 enum libusb_transfer_status status; 362} libusb_iso_packet_descriptor __aligned(sizeof(void *)); 363 364typedef void (*libusb_transfer_cb_fn) (struct libusb_transfer *transfer); 365 366typedef struct libusb_transfer { 367 libusb_device_handle *dev_handle; 368 uint8_t flags; 369 uint8_t endpoint; 370 uint8_t type; 371 uint32_t timeout; 372 enum libusb_transfer_status status; 373 int length; 374 int actual_length; 375 libusb_transfer_cb_fn callback; 376 void *user_data; 377 uint8_t *buffer; 378 int num_iso_packets; 379 struct libusb_iso_packet_descriptor iso_packet_desc[0]; 380} libusb_transfer __aligned(sizeof(void *)); 381 382/* Library initialisation */ 383 384void libusb_set_debug(libusb_context * ctx, int level); 385const char *libusb_strerror(int code); 386const char *libusb_error_name(int code); 387int libusb_init(libusb_context ** context); 388void libusb_exit(struct libusb_context *ctx); 389 390/* Device handling and enumeration */ 391 392ssize_t libusb_get_device_list(libusb_context * ctx, libusb_device *** list); 393void libusb_free_device_list(libusb_device ** list, int unref_devices); 394uint8_t libusb_get_bus_number(libusb_device * dev); 395int libusb_get_port_numbers(libusb_device *dev, uint8_t *buf, uint8_t bufsize); 396int libusb_get_port_path(libusb_context *ctx, libusb_device *dev, uint8_t *buf, uint8_t bufsize); 397uint8_t libusb_get_device_address(libusb_device * dev); 398enum libusb_speed libusb_get_device_speed(libusb_device * dev); 399int libusb_clear_halt(libusb_device_handle *devh, uint8_t endpoint); 400int libusb_get_max_packet_size(libusb_device * dev, uint8_t endpoint); 401int libusb_get_max_iso_packet_size(libusb_device * dev, uint8_t endpoint); 402libusb_device *libusb_ref_device(libusb_device * dev); 403void libusb_unref_device(libusb_device * dev); 404int libusb_open(libusb_device * dev, libusb_device_handle ** devh); 405libusb_device_handle *libusb_open_device_with_vid_pid(libusb_context * ctx, uint16_t vendor_id, uint16_t product_id); 406void libusb_close(libusb_device_handle * devh); 407libusb_device *libusb_get_device(libusb_device_handle * devh); 408int libusb_get_configuration(libusb_device_handle * devh, int *config); 409int libusb_set_configuration(libusb_device_handle * devh, int configuration); 410int libusb_claim_interface(libusb_device_handle * devh, int interface_number); 411int libusb_release_interface(libusb_device_handle * devh, int interface_number); 412int libusb_reset_device(libusb_device_handle * devh); 413int libusb_check_connected(libusb_device_handle * devh); 414int libusb_kernel_driver_active(libusb_device_handle * devh, int interface); 415int libusb_get_driver_np(libusb_device_handle * devh, int interface, char *name, int namelen); 416int libusb_get_driver(libusb_device_handle * devh, int interface, char *name, int namelen); 417int libusb_detach_kernel_driver_np(libusb_device_handle * devh, int interface); 418int libusb_detach_kernel_driver(libusb_device_handle * devh, int interface); 419int libusb_attach_kernel_driver(libusb_device_handle * devh, int interface); 420int libusb_set_interface_alt_setting(libusb_device_handle * devh, int interface_number, int alternate_setting); 421 422/* USB Descriptors */ 423 424int libusb_get_device_descriptor(libusb_device * dev, struct libusb_device_descriptor *desc); 425int libusb_get_active_config_descriptor(libusb_device * dev, struct libusb_config_descriptor **config); 426int libusb_get_config_descriptor(libusb_device * dev, uint8_t config_index, struct libusb_config_descriptor **config); 427int libusb_get_config_descriptor_by_value(libusb_device * dev, uint8_t bConfigurationValue, struct libusb_config_descriptor **config); 428void libusb_free_config_descriptor(struct libusb_config_descriptor *config); 429int libusb_get_string_descriptor(libusb_device_handle * devh, uint8_t desc_index, uint16_t langid, unsigned char *data, int length); 430int libusb_get_string_descriptor_ascii(libusb_device_handle * devh, uint8_t desc_index, uint8_t *data, int length); 431int libusb_get_descriptor(libusb_device_handle * devh, uint8_t desc_type, uint8_t desc_index, uint8_t *data, int length); 432int libusb_parse_ss_endpoint_comp(const void *buf, int len, struct libusb_ss_endpoint_companion_descriptor **ep_comp); 433void libusb_free_ss_endpoint_comp(struct libusb_ss_endpoint_companion_descriptor *ep_comp); 434int libusb_parse_bos_descriptor(const void *buf, int len, struct libusb_bos_descriptor **bos); 435void libusb_free_bos_descriptor(struct libusb_bos_descriptor *bos); 436 437/* Asynchronous device I/O */ 438 439struct libusb_transfer *libusb_alloc_transfer(int iso_packets); 440void libusb_free_transfer(struct libusb_transfer *transfer); 441int libusb_submit_transfer(struct libusb_transfer *transfer); 442int libusb_cancel_transfer(struct libusb_transfer *transfer); 443uint8_t *libusb_get_iso_packet_buffer(struct libusb_transfer *transfer, uint32_t index); 444uint8_t *libusb_get_iso_packet_buffer_simple(struct libusb_transfer *transfer, uint32_t index); 445void libusb_set_iso_packet_lengths(struct libusb_transfer *transfer, uint32_t length); 446uint8_t *libusb_control_transfer_get_data(struct libusb_transfer *transfer); 447struct libusb_control_setup *libusb_control_transfer_get_setup(struct libusb_transfer *transfer); 448void libusb_fill_control_setup(uint8_t *buf, uint8_t bmRequestType, uint8_t bRequest, uint16_t wValue, uint16_t wIndex, uint16_t wLength); 449void 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); 450void 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); 451void 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); 452void 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); 453 454/* Polling and timing */ 455 456int libusb_try_lock_events(libusb_context * ctx); 457void libusb_lock_events(libusb_context * ctx); 458void libusb_unlock_events(libusb_context * ctx); 459int libusb_event_handling_ok(libusb_context * ctx); 460int libusb_event_handler_active(libusb_context * ctx); 461void libusb_lock_event_waiters(libusb_context * ctx); 462void libusb_unlock_event_waiters(libusb_context * ctx); 463int libusb_wait_for_event(libusb_context * ctx, struct timeval *tv); 464int libusb_handle_events_timeout_completed(libusb_context * ctx, struct timeval *tv, int *completed); 465int libusb_handle_events_completed(libusb_context * ctx, int *completed); 466int libusb_handle_events_timeout(libusb_context * ctx, struct timeval *tv); 467int libusb_handle_events(libusb_context * ctx); 468int libusb_handle_events_locked(libusb_context * ctx, struct timeval *tv); 469int libusb_get_next_timeout(libusb_context * ctx, struct timeval *tv); 470void libusb_set_pollfd_notifiers(libusb_context * ctx, libusb_pollfd_added_cb added_cb, libusb_pollfd_removed_cb removed_cb, void *user_data); 471const struct libusb_pollfd **libusb_get_pollfds(libusb_context * ctx); 472 473/* Synchronous device I/O */ 474 475int 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); 476int libusb_bulk_transfer(libusb_device_handle * devh, uint8_t endpoint, uint8_t *data, int length, int *transferred, uint32_t timeout); 477int libusb_interrupt_transfer(libusb_device_handle * devh, uint8_t endpoint, uint8_t *data, int length, int *transferred, uint32_t timeout); 478 479/* Byte-order */ 480 481uint16_t libusb_cpu_to_le16(uint16_t x); 482uint16_t libusb_le16_to_cpu(uint16_t x); 483 484#if 0 485{ /* indent fix */ 486#endif 487#ifdef __cplusplus 488} 489 490#endif 491 492#endif /* __LIBUSB_H__ */ 493