libusb.h revision 195957
1194676Sthompsa/* $FreeBSD: head/lib/libusb/libusb.h 195957 2009-07-30 00:11:41Z alfred $ */ 2194676Sthompsa/*- 3194676Sthompsa * Copyright (c) 2009 Sylvestre Gallon. All rights reserved. 4194676Sthompsa * 5194676Sthompsa * Redistribution and use in source and binary forms, with or without 6194676Sthompsa * modification, are permitted provided that the following conditions 7194676Sthompsa * are met: 8194676Sthompsa * 1. Redistributions of source code must retain the above copyright 9194676Sthompsa * notice, this list of conditions and the following disclaimer. 10194676Sthompsa * 2. Redistributions in binary form must reproduce the above copyright 11194676Sthompsa * notice, this list of conditions and the following disclaimer in the 12194676Sthompsa * documentation and/or other materials provided with the distribution. 13194676Sthompsa * 14194676Sthompsa * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15194676Sthompsa * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16194676Sthompsa * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17194676Sthompsa * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18194676Sthompsa * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19194676Sthompsa * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20194676Sthompsa * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21194676Sthompsa * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22194676Sthompsa * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23194676Sthompsa * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24194676Sthompsa * SUCH DAMAGE. 25194676Sthompsa */ 26194676Sthompsa 27194676Sthompsa#ifndef __LIBUSB_H__ 28194676Sthompsa#define __LIBUSB_H__ 29194676Sthompsa 30195560Sthompsa#include <sys/time.h> 31195560Sthompsa#include <sys/types.h> 32195560Sthompsa#include <sys/endian.h> 33195560Sthompsa 34194676Sthompsa#include <stdint.h> 35194676Sthompsa#include <time.h> 36194676Sthompsa#include <string.h> 37194676Sthompsa#include <pthread.h> 38194676Sthompsa 39194676Sthompsa 40194676Sthompsa#ifdef __cplusplus 41194676Sthompsaextern "C" { 42194676Sthompsa#endif 43194676Sthompsa#if 0 44194676Sthompsa} /* indent fix */ 45194676Sthompsa 46194676Sthompsa#endif 47194676Sthompsa 48194676Sthompsa/* libusb enums */ 49194676Sthompsa 50194676Sthompsaenum libusb_class_code { 51194676Sthompsa LIBUSB_CLASS_PER_INTERFACE = 0, 52194676Sthompsa LIBUSB_CLASS_AUDIO = 1, 53194676Sthompsa LIBUSB_CLASS_COMM = 2, 54194676Sthompsa LIBUSB_CLASS_HID = 3, 55194676Sthompsa LIBUSB_CLASS_PTP = 6, 56194676Sthompsa LIBUSB_CLASS_PRINTER = 7, 57194676Sthompsa LIBUSB_CLASS_MASS_STORAGE = 8, 58194676Sthompsa LIBUSB_CLASS_HUB = 9, 59194676Sthompsa LIBUSB_CLASS_DATA = 10, 60194676Sthompsa LIBUSB_CLASS_VENDOR_SPEC = 0xff, 61194676Sthompsa}; 62194676Sthompsa 63194676Sthompsaenum libusb_descriptor_type { 64194676Sthompsa LIBUSB_DT_DEVICE = 0x01, 65194676Sthompsa LIBUSB_DT_CONFIG = 0x02, 66194676Sthompsa LIBUSB_DT_STRING = 0x03, 67194676Sthompsa LIBUSB_DT_INTERFACE = 0x04, 68194676Sthompsa LIBUSB_DT_ENDPOINT = 0x05, 69194676Sthompsa LIBUSB_DT_HID = 0x21, 70194676Sthompsa LIBUSB_DT_REPORT = 0x22, 71194676Sthompsa LIBUSB_DT_PHYSICAL = 0x23, 72194676Sthompsa LIBUSB_DT_HUB = 0x29, 73194676Sthompsa}; 74194676Sthompsa 75194676Sthompsa#define LIBUSB_DT_DEVICE_SIZE 18 76194676Sthompsa#define LIBUSB_DT_CONFIG_SIZE 9 77194676Sthompsa#define LIBUSB_DT_INTERFACE_SIZE 9 78194676Sthompsa#define LIBUSB_DT_ENDPOINT_SIZE 7 79194676Sthompsa#define LIBUSB_DT_ENDPOINT_AUDIO_SIZE 9 80194676Sthompsa#define LIBUSB_DT_HUB_NONVAR_SIZE 7 81194676Sthompsa 82194676Sthompsa#define LIBUSB_ENDPOINT_ADDRESS_MASK 0x0f 83194676Sthompsa#define LIBUSB_ENDPOINT_DIR_MASK 0x80 84194676Sthompsa 85194676Sthompsaenum libusb_endpoint_direction { 86194676Sthompsa LIBUSB_ENDPOINT_IN = 0x80, 87194676Sthompsa LIBUSB_ENDPOINT_OUT = 0x00, 88194676Sthompsa}; 89194676Sthompsa 90194676Sthompsa#define LIBUSB_TRANSFER_TYPE_MASK 0x03 91194676Sthompsa 92194676Sthompsaenum libusb_transfer_type { 93194676Sthompsa LIBUSB_TRANSFER_TYPE_CONTROL = 0, 94194676Sthompsa LIBUSB_TRANSFER_TYPE_ISOCHRONOUS = 1, 95194676Sthompsa LIBUSB_TRANSFER_TYPE_BULK = 2, 96194676Sthompsa LIBUSB_TRANSFER_TYPE_INTERRUPT = 3, 97194676Sthompsa}; 98194676Sthompsa 99194676Sthompsaenum libusb_standard_request { 100194676Sthompsa LIBUSB_REQUEST_GET_STATUS = 0x00, 101194676Sthompsa LIBUSB_REQUEST_CLEAR_FEATURE = 0x01, 102194676Sthompsa LIBUSB_REQUEST_SET_FEATURE = 0x03, 103194676Sthompsa LIBUSB_REQUEST_SET_ADDRESS = 0x05, 104194676Sthompsa LIBUSB_REQUEST_GET_DESCRIPTOR = 0x06, 105194676Sthompsa LIBUSB_REQUEST_SET_DESCRIPTOR = 0x07, 106194676Sthompsa LIBUSB_REQUEST_GET_CONFIGURATION = 0x08, 107194676Sthompsa LIBUSB_REQUEST_SET_CONFIGURATION = 0x09, 108194676Sthompsa LIBUSB_REQUEST_GET_INTERFACE = 0x0A, 109194676Sthompsa LIBUSB_REQUEST_SET_INTERFACE = 0x0B, 110194676Sthompsa LIBUSB_REQUEST_SYNCH_FRAME = 0x0C, 111194676Sthompsa}; 112194676Sthompsa 113194676Sthompsaenum libusb_request_type { 114194676Sthompsa LIBUSB_REQUEST_TYPE_STANDARD = (0x00 << 5), 115194676Sthompsa LIBUSB_REQUEST_TYPE_CLASS = (0x01 << 5), 116194676Sthompsa LIBUSB_REQUEST_TYPE_VENDOR = (0x02 << 5), 117194676Sthompsa LIBUSB_REQUEST_TYPE_RESERVED = (0x03 << 5), 118194676Sthompsa}; 119194676Sthompsa 120194676Sthompsaenum libusb_request_recipient { 121194676Sthompsa LIBUSB_RECIPIENT_DEVICE = 0x00, 122194676Sthompsa LIBUSB_RECIPIENT_INTERFACE = 0x01, 123194676Sthompsa LIBUSB_RECIPIENT_ENDPOINT = 0x02, 124194676Sthompsa LIBUSB_RECIPIENT_OTHER = 0x03, 125194676Sthompsa}; 126194676Sthompsa 127194676Sthompsa#define LIBUSB_ISO_SYNC_TYPE_MASK 0x0C 128194676Sthompsa 129194676Sthompsaenum libusb_iso_sync_type { 130194676Sthompsa LIBUSB_ISO_SYNC_TYPE_NONE = 0, 131194676Sthompsa LIBUSB_ISO_SYNC_TYPE_ASYNC = 1, 132194676Sthompsa LIBUSB_ISO_SYNC_TYPE_ADAPTIVE = 2, 133194676Sthompsa LIBUSB_ISO_SYNC_TYPE_SYNC = 3, 134194676Sthompsa}; 135194676Sthompsa 136194676Sthompsa#define LIBUSB_ISO_USAGE_TYPE_MASK 0x30 137194676Sthompsa 138194676Sthompsaenum libusb_iso_usage_type { 139194676Sthompsa LIBUSB_ISO_USAGE_TYPE_DATA = 0, 140194676Sthompsa LIBUSB_ISO_USAGE_TYPE_FEEDBACK = 1, 141194676Sthompsa LIBUSB_ISO_USAGE_TYPE_IMPLICIT = 2, 142194676Sthompsa}; 143194676Sthompsa 144194676Sthompsaenum libusb_error { 145194676Sthompsa LIBUSB_SUCCESS = 0, 146194676Sthompsa LIBUSB_ERROR_IO = -1, 147194676Sthompsa LIBUSB_ERROR_INVALID_PARAM = -2, 148194676Sthompsa LIBUSB_ERROR_ACCESS = -3, 149194676Sthompsa LIBUSB_ERROR_NO_DEVICE = -4, 150194676Sthompsa LIBUSB_ERROR_NOT_FOUND = -5, 151194676Sthompsa LIBUSB_ERROR_BUSY = -6, 152194676Sthompsa LIBUSB_ERROR_TIMEOUT = -7, 153194676Sthompsa LIBUSB_ERROR_OVERFLOW = -8, 154194676Sthompsa LIBUSB_ERROR_PIPE = -9, 155194676Sthompsa LIBUSB_ERROR_INTERRUPTED = -10, 156194676Sthompsa LIBUSB_ERROR_NO_MEM = -11, 157194676Sthompsa LIBUSB_ERROR_NOT_SUPPORTED = -12, 158194676Sthompsa LIBUSB_ERROR_OTHER = -99, 159194676Sthompsa}; 160194676Sthompsa 161194676Sthompsaenum libusb_transfer_status { 162194676Sthompsa LIBUSB_TRANSFER_COMPLETED, 163194676Sthompsa LIBUSB_TRANSFER_ERROR, 164194676Sthompsa LIBUSB_TRANSFER_TIMED_OUT, 165194676Sthompsa LIBUSB_TRANSFER_CANCELLED, 166194676Sthompsa LIBUSB_TRANSFER_STALL, 167194676Sthompsa LIBUSB_TRANSFER_NO_DEVICE, 168194676Sthompsa LIBUSB_TRANSFER_OVERFLOW, 169194676Sthompsa}; 170194676Sthompsa 171194676Sthompsaenum libusb_transfer_flags { 172194676Sthompsa LIBUSB_TRANSFER_SHORT_NOT_OK = 1 << 0, 173194676Sthompsa LIBUSB_TRANSFER_FREE_BUFFER = 1 << 1, 174194676Sthompsa LIBUSB_TRANSFER_FREE_TRANSFER = 1 << 2, 175194676Sthompsa}; 176194676Sthompsa 177194676Sthompsaenum libusb_debug_level { 178194676Sthompsa LIBUSB_DEBUG_NO=0, 179194676Sthompsa LIBUSB_DEBUG_FUNCTION=1, 180194676Sthompsa LIBUSB_DEBUG_TRANSFER=2, 181194676Sthompsa}; 182194676Sthompsa 183195957Salfred/* libusb structures */ 184195560Sthompsa 185195957Salfredstruct libusb_context; 186195957Salfredstruct libusb_device; 187195957Salfredstruct libusb_transfer; 188195957Salfredstruct libusb20_device; 189195957Salfred 190195957Salfredstruct libusb_pollfd { 191195560Sthompsa int fd; 192195560Sthompsa short events; 193195560Sthompsa}; 194195560Sthompsa 195195957Salfredtypedef struct libusb_context libusb_context; 196195957Salfredtypedef struct libusb_device libusb_device; 197195957Salfredtypedef struct libusb20_device libusb_device_handle; 198195957Salfredtypedef struct libusb_pollfd libusb_pollfd; 199194676Sthompsatypedef void (*libusb_pollfd_added_cb) (int fd, short events, void *user_data); 200194676Sthompsatypedef void (*libusb_pollfd_removed_cb) (int fd, void *user_data); 201194676Sthompsa 202194676Sthompsatypedef struct libusb_device_descriptor { 203194676Sthompsa uint8_t bLength; 204194676Sthompsa uint8_t bDescriptorType; 205194676Sthompsa uint16_t bcdUSB; 206194676Sthompsa uint8_t bDeviceClass; 207194676Sthompsa uint8_t bDeviceSubClass; 208194676Sthompsa uint8_t bDeviceProtocol; 209194676Sthompsa uint8_t bMaxPacketSize0; 210194676Sthompsa uint16_t idVendor; 211194676Sthompsa uint16_t idProduct; 212194676Sthompsa uint16_t bcdDevice; 213194676Sthompsa uint8_t iManufacturer; 214194676Sthompsa uint8_t iProduct; 215194676Sthompsa uint8_t iSerialNumber; 216194676Sthompsa uint8_t bNumConfigurations; 217194676Sthompsa} libusb_device_descriptor; 218194676Sthompsa 219194676Sthompsatypedef struct libusb_endpoint_descriptor { 220194676Sthompsa uint8_t bLength; 221194676Sthompsa uint8_t bDescriptorType; 222194676Sthompsa uint8_t bEndpointAddress; 223194676Sthompsa uint8_t bmAttributes; 224194676Sthompsa uint16_t wMaxPacketSize; 225194676Sthompsa uint8_t bInterval; 226194676Sthompsa uint8_t bRefresh; 227194676Sthompsa uint8_t bSynchAddress; 228195957Salfred uint8_t *extra; 229194676Sthompsa int extra_length; 230194676Sthompsa} libusb_endpoint_descriptor __aligned(sizeof(void *)); 231194676Sthompsa 232194676Sthompsatypedef struct libusb_interface_descriptor { 233194676Sthompsa uint8_t bLength; 234194676Sthompsa uint8_t bDescriptorType; 235194676Sthompsa uint8_t bInterfaceNumber; 236194676Sthompsa uint8_t bAlternateSetting; 237194676Sthompsa uint8_t bNumEndpoints; 238194676Sthompsa uint8_t bInterfaceClass; 239194676Sthompsa uint8_t bInterfaceSubClass; 240194676Sthompsa uint8_t bInterfaceProtocol; 241194676Sthompsa uint8_t iInterface; 242194676Sthompsa struct libusb_endpoint_descriptor *endpoint; 243195957Salfred uint8_t *extra; 244194676Sthompsa int extra_length; 245194676Sthompsa} libusb_interface_descriptor __aligned(sizeof(void *)); 246194676Sthompsa 247194676Sthompsatypedef struct libusb_interface { 248194676Sthompsa struct libusb_interface_descriptor *altsetting; 249194676Sthompsa int num_altsetting; 250194676Sthompsa} libusb_interface __aligned(sizeof(void *)); 251194676Sthompsa 252194676Sthompsatypedef struct libusb_config_descriptor { 253194676Sthompsa uint8_t bLength; 254194676Sthompsa uint8_t bDescriptorType; 255194676Sthompsa uint16_t wTotalLength; 256194676Sthompsa uint8_t bNumInterfaces; 257194676Sthompsa uint8_t bConfigurationValue; 258194676Sthompsa uint8_t iConfiguration; 259194676Sthompsa uint8_t bmAttributes; 260194676Sthompsa uint8_t MaxPower; 261194676Sthompsa struct libusb_interface *interface; 262195957Salfred uint8_t *extra; 263194676Sthompsa int extra_length; 264194676Sthompsa} libusb_config_descriptor __aligned(sizeof(void *)); 265194676Sthompsa 266194676Sthompsatypedef struct libusb_control_setup { 267194676Sthompsa uint8_t bmRequestType; 268194676Sthompsa uint8_t bRequest; 269194676Sthompsa uint16_t wValue; 270194676Sthompsa uint16_t wIndex; 271194676Sthompsa uint16_t wLength; 272194676Sthompsa} libusb_control_setup; 273194676Sthompsa 274194676Sthompsatypedef struct libusb_iso_packet_descriptor { 275194676Sthompsa unsigned int length; 276194676Sthompsa unsigned int actual_length; 277194676Sthompsa enum libusb_transfer_status status; 278194676Sthompsa} libusb_iso_packet_descriptor __aligned(sizeof(void *)); 279194676Sthompsa 280194676Sthompsatypedef void (*libusb_transfer_cb_fn) (struct libusb_transfer *transfer); 281194676Sthompsa 282194676Sthompsatypedef struct libusb_transfer { 283194676Sthompsa libusb_device_handle *dev_handle; 284194676Sthompsa uint8_t flags; 285194676Sthompsa unsigned int endpoint; 286195957Salfred uint8_t type; 287194676Sthompsa unsigned int timeout; 288194676Sthompsa enum libusb_transfer_status status; 289194676Sthompsa int length; 290194676Sthompsa int actual_length; 291194676Sthompsa libusb_transfer_cb_fn callback; 292194676Sthompsa void *user_data; 293195957Salfred uint8_t *buffer; 294194676Sthompsa void *os_priv; 295194676Sthompsa int num_iso_packets; 296194676Sthompsa struct libusb_iso_packet_descriptor iso_packet_desc[0]; 297194676Sthompsa} libusb_transfer __aligned(sizeof(void *)); 298194676Sthompsa 299194676Sthompsa/* Library initialisation */ 300194676Sthompsa 301194676Sthompsavoid libusb_set_debug(libusb_context * ctx, int level); 302194676Sthompsaint libusb_init(libusb_context ** context); 303194676Sthompsavoid libusb_exit(struct libusb_context *ctx); 304194676Sthompsa 305194676Sthompsa/* Device handling and enumeration */ 306194676Sthompsa 307194676Sthompsassize_t libusb_get_device_list(libusb_context * ctx, libusb_device *** list); 308194676Sthompsavoid libusb_free_device_list(libusb_device ** list, int unref_devices); 309194676Sthompsauint8_t libusb_get_bus_number(libusb_device * dev); 310194676Sthompsauint8_t libusb_get_device_address(libusb_device * dev); 311195957Salfredint libusb_clear_halt(libusb_device_handle *devh, uint8_t endpoint); 312195957Salfredint libusb_get_max_packet_size(libusb_device * dev, uint8_t endpoint); 313194676Sthompsalibusb_device *libusb_ref_device(libusb_device * dev); 314194676Sthompsavoid libusb_unref_device(libusb_device * dev); 315194676Sthompsaint libusb_open(libusb_device * dev, libusb_device_handle ** devh); 316194676Sthompsalibusb_device_handle *libusb_open_device_with_vid_pid(libusb_context * ctx, uint16_t vendor_id, uint16_t product_id); 317194676Sthompsavoid libusb_close(libusb_device_handle * devh); 318194676Sthompsalibusb_device *libusb_get_device(libusb_device_handle * devh); 319194676Sthompsaint libusb_get_configuration(libusb_device_handle * devh, int *config); 320194676Sthompsaint libusb_set_configuration(libusb_device_handle * devh, int configuration); 321194676Sthompsaint libusb_claim_interface(libusb_device_handle * devh, int interface_number); 322194676Sthompsaint libusb_release_interface(libusb_device_handle * devh, int interface_number); 323195957Salfredint libusb_reset_device(libusb_device_handle * dev); 324194676Sthompsaint libusb_kernel_driver_active(libusb_device_handle * devh, int interface); 325194676Sthompsaint libusb_detach_kernel_driver(libusb_device_handle * devh, int interface); 326194676Sthompsaint libusb_attach_kernel_driver(libusb_device_handle * devh, int interface); 327194676Sthompsaint libusb_set_interface_alt_setting(libusb_device_handle * devh, int interface_number, int alternate_setting); 328194676Sthompsa 329194676Sthompsa/* USB Descriptors */ 330194676Sthompsa 331194676Sthompsaint libusb_get_device_descriptor(libusb_device * dev, struct libusb_device_descriptor *desc); 332194676Sthompsaint libusb_get_active_config_descriptor(libusb_device * dev, struct libusb_config_descriptor **config); 333194676Sthompsaint libusb_get_config_descriptor(libusb_device * dev, uint8_t config_index, struct libusb_config_descriptor **config); 334194676Sthompsaint libusb_get_config_descriptor_by_value(libusb_device * dev, uint8_t bConfigurationValue, struct libusb_config_descriptor **config); 335194676Sthompsavoid libusb_free_config_descriptor(struct libusb_config_descriptor *config); 336195957Salfredint libusb_get_string_descriptor_ascii(libusb_device_handle * dev, uint8_t desc_index, uint8_t *data, int length); 337194676Sthompsa 338195957Salfred/* Asynchronous device I/O */ 339194676Sthompsa 340194676Sthompsastruct libusb_transfer *libusb_alloc_transfer(int iso_packets); 341194676Sthompsavoid libusb_free_transfer(struct libusb_transfer *transfer); 342194676Sthompsaint libusb_submit_transfer(struct libusb_transfer *transfer); 343194676Sthompsaint libusb_cancel_transfer(struct libusb_transfer *transfer); 344195957Salfreduint8_t *libusb_get_iso_packet_buffer_simple(struct libusb_transfer *transfer, unsigned int packet); 345194676Sthompsa 346194676Sthompsa/* Polling and timing */ 347194676Sthompsa 348194676Sthompsaint libusb_try_lock_events(libusb_context * ctx); 349194676Sthompsavoid libusb_lock_events(libusb_context * ctx); 350194676Sthompsavoid libusb_unlock_events(libusb_context * ctx); 351194676Sthompsaint libusb_event_handling_ok(libusb_context * ctx); 352194676Sthompsaint libusb_event_handler_active(libusb_context * ctx); 353194676Sthompsavoid libusb_lock_event_waiters(libusb_context * ctx); 354194676Sthompsavoid libusb_unlock_event_waiters(libusb_context * ctx); 355194676Sthompsaint libusb_wait_for_event(libusb_context * ctx, struct timeval *tv); 356194676Sthompsaint libusb_handle_events_timeout(libusb_context * ctx, struct timeval *tv); 357194676Sthompsaint libusb_handle_events(libusb_context * ctx); 358194676Sthompsaint libusb_handle_events_locked(libusb_context * ctx, struct timeval *tv); 359194676Sthompsaint libusb_get_next_timeout(libusb_context * ctx, struct timeval *tv); 360194676Sthompsavoid libusb_set_pollfd_notifiers(libusb_context * ctx, libusb_pollfd_added_cb added_cb, libusb_pollfd_removed_cb removed_cb, void *user_data); 361194676Sthompsastruct libusb_pollfd **libusb_get_pollfds(libusb_context * ctx); 362194676Sthompsa 363194676Sthompsa/* Synchronous device I/O */ 364194676Sthompsa 365195957Salfredint 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, unsigned int timeout); 366195957Salfredint libusb_bulk_transfer(libusb_device_handle *devh, uint8_t endpoint, uint8_t *data, int length, int *transferred, unsigned int timeout); 367195957Salfredint libusb_interrupt_transfer(libusb_device_handle *devh, uint8_t endpoint, uint8_t *data, int length, int *transferred, unsigned int timeout); 368194676Sthompsa 369194676Sthompsa#if 0 370194676Sthompsa{ /* indent fix */ 371194676Sthompsa#endif 372194676Sthompsa#ifdef __cplusplus 373194676Sthompsa} 374194676Sthompsa 375194676Sthompsa#endif 376194676Sthompsa 377194676Sthompsa#endif /* __LIBUSB_H__ */ 378