My Project
A cross-platform user library to access USB devices
libusb.h
1 /*
2  * Public libusb header file
3  * Copyright © 2001 Johannes Erdfelt <johannes@erdfelt.com>
4  * Copyright © 2007-2008 Daniel Drake <dsd@gentoo.org>
5  * Copyright © 2012 Pete Batard <pete@akeo.ie>
6  * Copyright © 2012-2018 Nathan Hjelm <hjelmn@cs.unm.edu>
7  * For more information, please visit: http://libusb.info
8  *
9  * This library is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU Lesser General Public
11  * License as published by the Free Software Foundation; either
12  * version 2.1 of the License, or (at your option) any later version.
13  *
14  * This library is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17  * Lesser General Public License for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public
20  * License along with this library; if not, write to the Free Software
21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22  */
23 
24 #ifndef LIBUSB_H
25 #define LIBUSB_H
26 
27 #ifdef _MSC_VER
28 /* on MS environments, the inline keyword is available in C++ only */
29 #if !defined(__cplusplus)
30 #define inline __inline
31 #endif
32 /* ssize_t is also not available (copy/paste from MinGW) */
33 #ifndef _SSIZE_T_DEFINED
34 #define _SSIZE_T_DEFINED
35 #undef ssize_t
36 #ifdef _WIN64
37  typedef __int64 ssize_t;
38 #else
39  typedef int ssize_t;
40 #endif /* _WIN64 */
41 #endif /* _SSIZE_T_DEFINED */
42 #endif /* _MSC_VER */
43 
44 /* stdint.h is not available on older MSVC */
45 #if defined(_MSC_VER) && (_MSC_VER < 1600) && (!defined(_STDINT)) && (!defined(_STDINT_H))
46 typedef unsigned __int8 uint8_t;
47 typedef unsigned __int16 uint16_t;
48 typedef unsigned __int32 uint32_t;
49 #else
50 #include <stdint.h>
51 #endif
52 
53 #if !defined(_WIN32_WCE)
54 #include <sys/types.h>
55 #endif
56 
57 #if defined(__linux__) || defined(__APPLE__) || defined(__CYGWIN__) || defined(__HAIKU__)
58 #include <sys/time.h>
59 #endif
60 
61 #include <time.h>
62 #include <limits.h>
63 
64 #if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
65 #define ZERO_SIZED_ARRAY /* [] - valid C99 code */
66 #else
67 #define ZERO_SIZED_ARRAY 0 /* [0] - non-standard, but usually working code */
68 #endif
69 
70 /* 'interface' might be defined as a macro on Windows, so we need to
71  * undefine it so as not to break the current libusb API, because
72  * libusb_config_descriptor has an 'interface' member
73  * As this can be problematic if you include windows.h after libusb.h
74  * in your sources, we force windows.h to be included first. */
75 #if defined(_WIN32) || defined(__CYGWIN__) || defined(_WIN32_WCE)
76 #include <windows.h>
77 #if defined(interface)
78 #undef interface
79 #endif
80 #if !defined(__CYGWIN__)
81 #include <winsock.h>
82 #endif
83 #endif
84 
85 #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5)
86 #define LIBUSB_DEPRECATED_FOR(f) \
87  __attribute__((deprecated("Use " #f " instead")))
88 #elif __GNUC__ >= 3
89 #define LIBUSB_DEPRECATED_FOR(f) __attribute__((deprecated))
90 #else
91 #define LIBUSB_DEPRECATED_FOR(f)
92 #endif /* __GNUC__ */
93 
119 /* LIBUSB_CALL must be defined on both definition and declaration of libusb
120  * functions. You'd think that declaration would be enough, but cygwin will
121  * complain about conflicting types unless both are marked this way.
122  * The placement of this macro is important too; it must appear after the
123  * return type, before the function name. See internal documentation for
124  * API_EXPORTED.
125  */
126 #if defined(_WIN32) || defined(__CYGWIN__) || defined(_WIN32_WCE)
127 #define LIBUSB_CALL WINAPI
128 #else
129 #define LIBUSB_CALL
130 #endif
131 
152 #define LIBUSB_API_VERSION 0x01000107
153 
154 /* The following is kept for compatibility, but will be deprecated in the future */
155 #define LIBUSBX_API_VERSION LIBUSB_API_VERSION
156 
157 #ifdef __cplusplus
158 extern "C" {
159 #endif
160 
169 static inline uint16_t libusb_cpu_to_le16(const uint16_t x)
170 {
171  union {
172  uint8_t b8[2];
173  uint16_t b16;
174  } _tmp;
175  _tmp.b8[1] = (uint8_t) (x >> 8);
176  _tmp.b8[0] = (uint8_t) (x & 0xff);
177  return _tmp.b16;
178 }
179 
188 #define libusb_le16_to_cpu libusb_cpu_to_le16
189 
190 /* standard USB stuff */
191 
200 
203 
206 
209 
212 
215 
217  LIBUSB_CLASS_PTP = 6, /* legacy name from libusb-0.1 usb.h */
218  LIBUSB_CLASS_IMAGE = 6,
219 
222 
225 
228 
231 
234 
237 
240 
243 
246 
249 
252 };
253 
259 
262 
265 
268 
271 
274 
277 
280 
283 
286 
289 
292 
295 };
296 
297 /* Descriptor sizes per descriptor type */
298 #define LIBUSB_DT_DEVICE_SIZE 18
299 #define LIBUSB_DT_CONFIG_SIZE 9
300 #define LIBUSB_DT_INTERFACE_SIZE 9
301 #define LIBUSB_DT_ENDPOINT_SIZE 7
302 #define LIBUSB_DT_ENDPOINT_AUDIO_SIZE 9 /* Audio extension */
303 #define LIBUSB_DT_HUB_NONVAR_SIZE 7
304 #define LIBUSB_DT_SS_ENDPOINT_COMPANION_SIZE 6
305 #define LIBUSB_DT_BOS_SIZE 5
306 #define LIBUSB_DT_DEVICE_CAPABILITY_SIZE 3
307 
308 /* BOS descriptor sizes */
309 #define LIBUSB_BT_USB_2_0_EXTENSION_SIZE 7
310 #define LIBUSB_BT_SS_USB_DEVICE_CAPABILITY_SIZE 10
311 #define LIBUSB_BT_CONTAINER_ID_SIZE 20
312 
313 /* We unwrap the BOS => define its max size */
314 #define LIBUSB_DT_BOS_MAX_SIZE ((LIBUSB_DT_BOS_SIZE) +\
315  (LIBUSB_BT_USB_2_0_EXTENSION_SIZE) +\
316  (LIBUSB_BT_SS_USB_DEVICE_CAPABILITY_SIZE) +\
317  (LIBUSB_BT_CONTAINER_ID_SIZE))
318 
319 #define LIBUSB_ENDPOINT_ADDRESS_MASK 0x0f /* in bEndpointAddress */
320 #define LIBUSB_ENDPOINT_DIR_MASK 0x80
321 
329 
332 };
333 
334 #define LIBUSB_TRANSFER_TYPE_MASK 0x03 /* in bmAttributes */
335 
343 
346 
349 
352 
355 };
356 
362 
365 
366  /* 0x02 is reserved */
367 
370 
371  /* 0x04 is reserved */
372 
375 
378 
381 
384 
387 
390 
393 
396 
399 
403 };
404 
412 
415 
418 
421 };
422 
430 
433 
436 
439 };
440 
441 #define LIBUSB_ISO_SYNC_TYPE_MASK 0x0C
442 
451 
454 
457 
460 };
461 
462 #define LIBUSB_ISO_USAGE_TYPE_MASK 0x30
463 
472 
475 
478 };
479 
487  uint8_t bLength;
488 
493 
496  uint16_t bcdUSB;
497 
499  uint8_t bDeviceClass;
500 
504 
508 
511 
513  uint16_t idVendor;
514 
516  uint16_t idProduct;
517 
519  uint16_t bcdDevice;
520 
522  uint8_t iManufacturer;
523 
525  uint8_t iProduct;
526 
528  uint8_t iSerialNumber;
529 
532 };
533 
541  uint8_t bLength;
542 
547 
553 
561  uint8_t bmAttributes;
562 
564  uint16_t wMaxPacketSize;
565 
567  uint8_t bInterval;
568 
571  uint8_t bRefresh;
572 
574  uint8_t bSynchAddress;
575 
578  const unsigned char *extra;
579 
582 };
583 
591  uint8_t bLength;
592 
597 
600 
603 
606  uint8_t bNumEndpoints;
607 
610 
614 
618 
620  uint8_t iInterface;
621 
625 
628  const unsigned char *extra;
629 
632 };
633 
641 
645 };
646 
654  uint8_t bLength;
655 
660 
662  uint16_t wTotalLength;
663 
665  uint8_t bNumInterfaces;
666 
669 
671  uint8_t iConfiguration;
672 
674  uint8_t bmAttributes;
675 
680  uint8_t MaxPower;
681 
685 
688  const unsigned char *extra;
689 
692 };
693 
701 
703  uint8_t bLength;
704 
709 
710 
713  uint8_t bMaxBurst;
714 
719  uint8_t bmAttributes;
720 
724 };
725 
733  uint8_t bLength;
741  uint8_t dev_capability_data[ZERO_SIZED_ARRAY];
742 };
743 
751  uint8_t bLength;
752 
757 
759  uint16_t wTotalLength;
760 
763  uint8_t bNumDeviceCaps;
764 
767 };
768 
776  uint8_t bLength;
777 
782 
787 
792  uint32_t bmAttributes;
793 };
794 
802  uint8_t bLength;
803 
808 
813 
818  uint8_t bmAttributes;
819 
822  uint16_t wSpeedSupported;
823 
829 
831  uint8_t bU1DevExitLat;
832 
834  uint16_t bU2DevExitLat;
835 };
836 
844  uint8_t bLength;
845 
850 
855 
857  uint8_t bReserved;
858 
860  uint8_t ContainerID[16];
861 };
862 
871  uint8_t bmRequestType;
872 
878  uint8_t bRequest;
879 
881  uint16_t wValue;
882 
885  uint16_t wIndex;
886 
888  uint16_t wLength;
889 };
890 
891 #define LIBUSB_CONTROL_SETUP_SIZE (sizeof(struct libusb_control_setup))
892 
893 /* libusb */
894 
895 struct libusb_context;
896 struct libusb_device;
897 struct libusb_device_handle;
898 
904  const uint16_t major;
905 
907  const uint16_t minor;
908 
910  const uint16_t micro;
911 
913  const uint16_t nano;
914 
916  const char *rc;
917 
919  const char* describe;
920 };
921 
940 
957 
958 
968 
975 
978 
981 
984 
987 
990 };
991 
999 
1002 
1005 
1008 };
1009 
1018 };
1019 
1028 };
1029 
1036 
1039 
1042 
1045 };
1046 
1057 
1060 
1063 
1066 
1069 
1072 
1075 
1078 
1081 
1084 
1087 
1090 
1093 
1094  /* NB: Remember to update LIBUSB_ERROR_COUNT below as well as the
1095  message strings in strerror.c when adding new error codes here. */
1096 
1099 };
1100 
1101 /* Total number of error codes in enum libusb_error */
1102 #define LIBUSB_ERROR_COUNT 14
1103 
1110 
1113 
1116 
1119 
1123 
1126 
1129 
1130  /* NB! Remember to update libusb_error_name()
1131  when adding new status codes here. */
1132 };
1133 
1139 
1145 
1151 
1176 };
1177 
1182  unsigned int length;
1183 
1185  unsigned int actual_length;
1186 
1189 };
1190 
1191 struct libusb_transfer;
1192 
1202 typedef void (LIBUSB_CALL *libusb_transfer_cb_fn)(struct libusb_transfer *transfer);
1203 
1213 
1215  uint8_t flags;
1216 
1218  unsigned char endpoint;
1219 
1221  unsigned char type;
1222 
1225  unsigned int timeout;
1226 
1235 
1237  int length;
1238 
1243 
1247 
1249  void *user_data;
1250 
1252  unsigned char *buffer;
1253 
1257 
1260 };
1261 
1280 };
1281 
1291  LIBUSB_LOG_LEVEL_NONE = 0,
1292  LIBUSB_LOG_LEVEL_ERROR = 1,
1293  LIBUSB_LOG_LEVEL_WARNING = 2,
1294  LIBUSB_LOG_LEVEL_INFO = 3,
1295  LIBUSB_LOG_LEVEL_DEBUG = 4,
1296 };
1297 
1303 
1306 
1309 };
1310 
1320  enum libusb_log_level level, const char *str);
1321 
1324 LIBUSB_DEPRECATED_FOR(libusb_set_option)
1325 void LIBUSB_CALL libusb_set_debug(libusb_context *ctx, int level);
1327 const struct libusb_version * LIBUSB_CALL libusb_get_version(void);
1328 int LIBUSB_CALL libusb_has_capability(uint32_t capability);
1329 const char * LIBUSB_CALL libusb_error_name(int errcode);
1330 int LIBUSB_CALL libusb_setlocale(const char *locale);
1331 const char * LIBUSB_CALL libusb_strerror(enum libusb_error errcode);
1332 
1334  libusb_device ***list);
1336  int unref_devices);
1339 
1341  int *config);
1343  struct libusb_device_descriptor *desc);
1345  struct libusb_config_descriptor **config);
1347  uint8_t config_index, struct libusb_config_descriptor **config);
1349  uint8_t bConfigurationValue, struct libusb_config_descriptor **config);
1351  struct libusb_config_descriptor *config);
1353  struct libusb_context *ctx,
1354  const struct libusb_endpoint_descriptor *endpoint,
1355  struct libusb_ss_endpoint_companion_descriptor **ep_comp);
1357  struct libusb_ss_endpoint_companion_descriptor *ep_comp);
1359  struct libusb_bos_descriptor **bos);
1362  struct libusb_context *ctx,
1363  struct libusb_bos_dev_capability_descriptor *dev_cap,
1364  struct libusb_usb_2_0_extension_descriptor **usb_2_0_extension);
1366  struct libusb_usb_2_0_extension_descriptor *usb_2_0_extension);
1368  struct libusb_context *ctx,
1369  struct libusb_bos_dev_capability_descriptor *dev_cap,
1370  struct libusb_ss_usb_device_capability_descriptor **ss_usb_device_cap);
1372  struct libusb_ss_usb_device_capability_descriptor *ss_usb_device_cap);
1374  struct libusb_bos_dev_capability_descriptor *dev_cap,
1375  struct libusb_container_id_descriptor **container_id);
1377  struct libusb_container_id_descriptor *container_id);
1380 int LIBUSB_CALL libusb_get_port_numbers(libusb_device *dev, uint8_t* port_numbers, int port_numbers_len);
1381 LIBUSB_DEPRECATED_FOR(libusb_get_port_numbers)
1382 int LIBUSB_CALL libusb_get_port_path(libusb_context *ctx, libusb_device *dev, uint8_t* path, uint8_t path_length);
1387  unsigned char endpoint);
1389  unsigned char endpoint);
1390 
1391 int LIBUSB_CALL libusb_wrap_sys_device(libusb_context *ctx, intptr_t sys_dev, libusb_device_handle **dev_handle);
1395 
1397  int configuration);
1399  int interface_number);
1401  int interface_number);
1402 
1404  libusb_context *ctx, uint16_t vendor_id, uint16_t product_id);
1405 
1407  int interface_number, int alternate_setting);
1409  unsigned char endpoint);
1411 
1413  uint32_t num_streams, unsigned char *endpoints, int num_endpoints);
1415  unsigned char *endpoints, int num_endpoints);
1416 
1417 unsigned char * LIBUSB_CALL libusb_dev_mem_alloc(libusb_device_handle *dev_handle,
1418  size_t length);
1420  unsigned char *buffer, size_t length);
1421 
1423  int interface_number);
1425  int interface_number);
1427  int interface_number);
1429  libusb_device_handle *dev_handle, int enable);
1430 
1431 /* async I/O */
1432 
1445 static inline unsigned char *libusb_control_transfer_get_data(
1446  struct libusb_transfer *transfer)
1447 {
1448  return transfer->buffer + LIBUSB_CONTROL_SETUP_SIZE;
1449 }
1450 
1464  struct libusb_transfer *transfer)
1465 {
1466  return (struct libusb_control_setup *)(void *) transfer->buffer;
1467 }
1468 
1492 static inline void libusb_fill_control_setup(unsigned char *buffer,
1493  uint8_t bmRequestType, uint8_t bRequest, uint16_t wValue, uint16_t wIndex,
1494  uint16_t wLength)
1495 {
1496  struct libusb_control_setup *setup = (struct libusb_control_setup *)(void *) buffer;
1497  setup->bmRequestType = bmRequestType;
1498  setup->bRequest = bRequest;
1499  setup->wValue = libusb_cpu_to_le16(wValue);
1500  setup->wIndex = libusb_cpu_to_le16(wIndex);
1502 }
1503 
1504 struct libusb_transfer * LIBUSB_CALL libusb_alloc_transfer(int iso_packets);
1505 int LIBUSB_CALL libusb_submit_transfer(struct libusb_transfer *transfer);
1506 int LIBUSB_CALL libusb_cancel_transfer(struct libusb_transfer *transfer);
1507 void LIBUSB_CALL libusb_free_transfer(struct libusb_transfer *transfer);
1509  struct libusb_transfer *transfer, uint32_t stream_id);
1511  struct libusb_transfer *transfer);
1512 
1541 static inline void libusb_fill_control_transfer(
1542  struct libusb_transfer *transfer, libusb_device_handle *dev_handle,
1543  unsigned char *buffer, libusb_transfer_cb_fn callback, void *user_data,
1544  unsigned int timeout)
1545 {
1546  struct libusb_control_setup *setup = (struct libusb_control_setup *)(void *) buffer;
1547  transfer->dev_handle = dev_handle;
1548  transfer->endpoint = 0;
1549  transfer->type = LIBUSB_TRANSFER_TYPE_CONTROL;
1550  transfer->timeout = timeout;
1551  transfer->buffer = buffer;
1552  if (setup)
1553  transfer->length = (int) (LIBUSB_CONTROL_SETUP_SIZE
1554  + libusb_le16_to_cpu(setup->wLength));
1555  transfer->user_data = user_data;
1556  transfer->callback = callback;
1557 }
1558 
1572 static inline void libusb_fill_bulk_transfer(struct libusb_transfer *transfer,
1573  libusb_device_handle *dev_handle, unsigned char endpoint,
1574  unsigned char *buffer, int length, libusb_transfer_cb_fn callback,
1575  void *user_data, unsigned int timeout)
1576 {
1577  transfer->dev_handle = dev_handle;
1578  transfer->endpoint = endpoint;
1579  transfer->type = LIBUSB_TRANSFER_TYPE_BULK;
1580  transfer->timeout = timeout;
1581  transfer->buffer = buffer;
1582  transfer->length = length;
1583  transfer->user_data = user_data;
1584  transfer->callback = callback;
1585 }
1586 
1604  struct libusb_transfer *transfer, libusb_device_handle *dev_handle,
1605  unsigned char endpoint, uint32_t stream_id,
1606  unsigned char *buffer, int length, libusb_transfer_cb_fn callback,
1607  void *user_data, unsigned int timeout)
1608 {
1609  libusb_fill_bulk_transfer(transfer, dev_handle, endpoint, buffer,
1610  length, callback, user_data, timeout);
1612  libusb_transfer_set_stream_id(transfer, stream_id);
1613 }
1614 
1629  struct libusb_transfer *transfer, libusb_device_handle *dev_handle,
1630  unsigned char endpoint, unsigned char *buffer, int length,
1631  libusb_transfer_cb_fn callback, void *user_data, unsigned int timeout)
1632 {
1633  transfer->dev_handle = dev_handle;
1634  transfer->endpoint = endpoint;
1636  transfer->timeout = timeout;
1637  transfer->buffer = buffer;
1638  transfer->length = length;
1639  transfer->user_data = user_data;
1640  transfer->callback = callback;
1641 }
1642 
1657 static inline void libusb_fill_iso_transfer(struct libusb_transfer *transfer,
1658  libusb_device_handle *dev_handle, unsigned char endpoint,
1659  unsigned char *buffer, int length, int num_iso_packets,
1660  libusb_transfer_cb_fn callback, void *user_data, unsigned int timeout)
1661 {
1662  transfer->dev_handle = dev_handle;
1663  transfer->endpoint = endpoint;
1665  transfer->timeout = timeout;
1666  transfer->buffer = buffer;
1667  transfer->length = length;
1668  transfer->num_iso_packets = num_iso_packets;
1669  transfer->user_data = user_data;
1670  transfer->callback = callback;
1671 }
1672 
1682  struct libusb_transfer *transfer, unsigned int length)
1683 {
1684  int i;
1685  for (i = 0; i < transfer->num_iso_packets; i++)
1686  transfer->iso_packet_desc[i].length = length;
1687 }
1688 
1705 static inline unsigned char *libusb_get_iso_packet_buffer(
1706  struct libusb_transfer *transfer, unsigned int packet)
1707 {
1708  int i;
1709  size_t offset = 0;
1710  int _packet;
1711 
1712  /* oops..slight bug in the API. packet is an unsigned int, but we use
1713  * signed integers almost everywhere else. range-check and convert to
1714  * signed to avoid compiler warnings. FIXME for libusb-2. */
1715  if (packet > INT_MAX)
1716  return NULL;
1717  _packet = (int) packet;
1718 
1719  if (_packet >= transfer->num_iso_packets)
1720  return NULL;
1721 
1722  for (i = 0; i < _packet; i++)
1723  offset += transfer->iso_packet_desc[i].length;
1724 
1725  return transfer->buffer + offset;
1726 }
1727 
1747 static inline unsigned char *libusb_get_iso_packet_buffer_simple(
1748  struct libusb_transfer *transfer, unsigned int packet)
1749 {
1750  int _packet;
1751 
1752  /* oops..slight bug in the API. packet is an unsigned int, but we use
1753  * signed integers almost everywhere else. range-check and convert to
1754  * signed to avoid compiler warnings. FIXME for libusb-2. */
1755  if (packet > INT_MAX)
1756  return NULL;
1757  _packet = (int) packet;
1758 
1759  if (_packet >= transfer->num_iso_packets)
1760  return NULL;
1761 
1762  return transfer->buffer + ((int) transfer->iso_packet_desc[0].length * _packet);
1763 }
1764 
1765 /* sync I/O */
1766 
1768  uint8_t request_type, uint8_t bRequest, uint16_t wValue, uint16_t wIndex,
1769  unsigned char *data, uint16_t wLength, unsigned int timeout);
1770 
1772  unsigned char endpoint, unsigned char *data, int length,
1773  int *actual_length, unsigned int timeout);
1774 
1776  unsigned char endpoint, unsigned char *data, int length,
1777  int *actual_length, unsigned int timeout);
1778 
1791 static inline int libusb_get_descriptor(libusb_device_handle *dev_handle,
1792  uint8_t desc_type, uint8_t desc_index, unsigned char *data, int length)
1793 {
1794  return libusb_control_transfer(dev_handle, LIBUSB_ENDPOINT_IN,
1795  LIBUSB_REQUEST_GET_DESCRIPTOR, (uint16_t) ((desc_type << 8) | desc_index),
1796  0, data, (uint16_t) length, 1000);
1797 }
1798 
1814  uint8_t desc_index, uint16_t langid, unsigned char *data, int length)
1815 {
1816  return libusb_control_transfer(dev_handle, LIBUSB_ENDPOINT_IN,
1817  LIBUSB_REQUEST_GET_DESCRIPTOR, (uint16_t)((LIBUSB_DT_STRING << 8) | desc_index),
1818  langid, data, (uint16_t) length, 1000);
1819 }
1820 
1822  uint8_t desc_index, unsigned char *data, int length);
1823 
1824 /* polling and timeouts */
1825 
1834 int LIBUSB_CALL libusb_wait_for_event(libusb_context *ctx, struct timeval *tv);
1835 
1837  struct timeval *tv);
1839  struct timeval *tv, int *completed);
1843  struct timeval *tv);
1846  struct timeval *tv);
1847 
1853  int fd;
1854 
1859  short events;
1860 };
1861 
1872 typedef void (LIBUSB_CALL *libusb_pollfd_added_cb)(int fd, short events,
1873  void *user_data);
1874 
1884 typedef void (LIBUSB_CALL *libusb_pollfd_removed_cb)(int fd, void *user_data);
1885 
1887  libusb_context *ctx);
1888 void LIBUSB_CALL libusb_free_pollfds(const struct libusb_pollfd **pollfds);
1890  libusb_pollfd_added_cb added_cb, libusb_pollfd_removed_cb removed_cb,
1891  void *user_data);
1892 
1906 
1912 typedef enum {
1915 
1919 
1925 typedef enum {
1928 
1934 
1937 #define LIBUSB_HOTPLUG_MATCH_ANY -1
1938 
1962  libusb_device *device,
1963  libusb_hotplug_event event,
1964  void *user_data);
1965 
2002  libusb_hotplug_flag flags,
2003  int vendor_id, int product_id,
2004  int dev_class,
2006  void *user_data,
2007  libusb_hotplug_callback_handle *callback_handle);
2008 
2021  libusb_hotplug_callback_handle callback_handle);
2022 
2049 
2058 };
2059 
2060 int LIBUSB_CALL libusb_set_option(libusb_context *ctx, enum libusb_option option, ...);
2061 
2062 #ifdef __cplusplus
2063 }
2064 #endif
2065 
2066 #endif
libusb_get_port_path
int libusb_get_port_path(libusb_context *ctx, libusb_device *dev, uint8_t *path, uint8_t path_length)
Definition: core.c:957
libusb_endpoint_direction
libusb_endpoint_direction
Definition: libusb.h:326
libusb_control_setup::bRequest
uint8_t bRequest
Request.
Definition: libusb.h:878
LIBUSB_CLASS_DATA
@ LIBUSB_CLASS_DATA
Data class.
Definition: libusb.h:227
libusb_set_configuration
int libusb_set_configuration(libusb_device_handle *dev_handle, int configuration)
Definition: core.c:1651
libusb_device_descriptor::bDeviceSubClass
uint8_t bDeviceSubClass
USB-IF subclass code for the device, qualified by the bDeviceClass value.
Definition: libusb.h:503
LIBUSB_SPEED_UNKNOWN
@ LIBUSB_SPEED_UNKNOWN
The OS doesn't report or know the device speed.
Definition: libusb.h:974
libusb_version
Definition: libusb.h:902
libusb_interface::num_altsetting
int num_altsetting
The number of alternate settings that belong to this interface.
Definition: libusb.h:644
libusb_capability
libusb_capability
Definition: libusb.h:1267
LIBUSB_BM_LTM_SUPPORT
@ LIBUSB_BM_LTM_SUPPORT
Supports Latency Tolerance Messages (LTM)
Definition: libusb.h:1027
libusb_ss_endpoint_companion_descriptor::bLength
uint8_t bLength
Size of this descriptor (in bytes)
Definition: libusb.h:703
libusb_ss_endpoint_companion_descriptor::wBytesPerInterval
uint16_t wBytesPerInterval
The total number of bytes this EP will transfer every service interval.
Definition: libusb.h:723
LIBUSB_TRANSFER_CANCELLED
@ LIBUSB_TRANSFER_CANCELLED
Transfer was cancelled.
Definition: libusb.h:1118
libusb_device_descriptor::bDeviceProtocol
uint8_t bDeviceProtocol
USB-IF protocol code for the device, qualified by the bDeviceClass and bDeviceSubClass values.
Definition: libusb.h:507
libusb_endpoint_descriptor::bRefresh
uint8_t bRefresh
For audio devices only: the rate at which synchronization feedback is provided.
Definition: libusb.h:571
libusb_pollfd
Definition: libusb.h:1851
LIBUSB_ENDPOINT_OUT
@ LIBUSB_ENDPOINT_OUT
Out: host-to-device.
Definition: libusb.h:331
libusb_set_debug
void libusb_set_debug(libusb_context *ctx, int level)
Definition: core.c:2106
LIBUSB_ERROR_NO_DEVICE
@ LIBUSB_ERROR_NO_DEVICE
No such device (it may have been disconnected)
Definition: libusb.h:1068
LIBUSB_REQUEST_SET_FEATURE
@ LIBUSB_REQUEST_SET_FEATURE
Set or enable a specific feature.
Definition: libusb.h:369
libusb_request_recipient
libusb_request_recipient
Definition: libusb.h:427
LIBUSB_ISO_SYNC_TYPE_ASYNC
@ LIBUSB_ISO_SYNC_TYPE_ASYNC
Asynchronous.
Definition: libusb.h:453
libusb_clear_halt
int libusb_clear_halt(libusb_device_handle *dev_handle, unsigned char endpoint)
Definition: core.c:1815
libusb_container_id_descriptor
Definition: libusb.h:842
libusb_free_container_id_descriptor
void libusb_free_container_id_descriptor(struct libusb_container_id_descriptor *container_id)
Definition: descriptor.c:1123
libusb_get_device_descriptor
int libusb_get_device_descriptor(libusb_device *dev, struct libusb_device_descriptor *desc)
Definition: descriptor.c:543
LIBUSB_ERROR_OVERFLOW
@ LIBUSB_ERROR_OVERFLOW
Overflow.
Definition: libusb.h:1080
LIBUSB_ISO_USAGE_TYPE_DATA
@ LIBUSB_ISO_USAGE_TYPE_DATA
Data endpoint.
Definition: libusb.h:471
libusb_endpoint_descriptor::bSynchAddress
uint8_t bSynchAddress
For audio devices only: the address if the synch endpoint.
Definition: libusb.h:574
libusb_hotplug_event
libusb_hotplug_event
Definition: libusb.h:1925
libusb_ss_endpoint_companion_descriptor::bmAttributes
uint8_t bmAttributes
In bulk EP: bits 4:0 represents the maximum number of streams the EP supports.
Definition: libusb.h:719
libusb_wrap_sys_device
int libusb_wrap_sys_device(libusb_context *ctx, intptr_t sys_dev, libusb_device_handle **dev_handle)
Definition: core.c:1262
libusb_endpoint_descriptor::bmAttributes
uint8_t bmAttributes
Attributes which apply to the endpoint when it is configured using the bConfigurationValue.
Definition: libusb.h:561
LIBUSB_LOG_CB_GLOBAL
@ LIBUSB_LOG_CB_GLOBAL
Callback function handling all log mesages.
Definition: libusb.h:1305
LIBUSB_ISO_SYNC_TYPE_SYNC
@ LIBUSB_ISO_SYNC_TYPE_SYNC
Synchronous.
Definition: libusb.h:459
libusb_control_transfer_get_data
static unsigned char * libusb_control_transfer_get_data(struct libusb_transfer *transfer)
Definition: libusb.h:1445
libusb_event_handler_active
int libusb_event_handler_active(libusb_context *ctx)
Definition: io.c:1882
libusb_interface_descriptor
Definition: libusb.h:589
libusb_free_ss_usb_device_capability_descriptor
void libusb_free_ss_usb_device_capability_descriptor(struct libusb_ss_usb_device_capability_descriptor *ss_usb_device_cap)
Definition: descriptor.c:1066
LIBUSB_ISO_SYNC_TYPE_NONE
@ LIBUSB_ISO_SYNC_TYPE_NONE
No synchronization.
Definition: libusb.h:450
LIBUSB_DT_CONFIG
@ LIBUSB_DT_CONFIG
Configuration descriptor.
Definition: libusb.h:261
LIBUSB_OPTION_LOG_LEVEL
@ LIBUSB_OPTION_LOG_LEVEL
Set the log message verbosity.
Definition: libusb.h:2048
libusb_context
struct libusb_context libusb_context
Definition: libusb.h:939
LIBUSB_REQUEST_GET_STATUS
@ LIBUSB_REQUEST_GET_STATUS
Request status of the specific recipient.
Definition: libusb.h:361
libusb_exit
void libusb_exit(libusb_context *ctx)
Definition: core.c:2364
LIBUSB_TRANSFER_OVERFLOW
@ LIBUSB_TRANSFER_OVERFLOW
Device sent more data than requested.
Definition: libusb.h:1128
libusb_config_descriptor::MaxPower
uint8_t MaxPower
Maximum power consumption of the USB device from this bus in this configuration when the device is fu...
Definition: libusb.h:680
libusb_bos_descriptor::bNumDeviceCaps
uint8_t bNumDeviceCaps
The number of separate device capability descriptors in the BOS.
Definition: libusb.h:763
libusb_get_iso_packet_buffer_simple
static unsigned char * libusb_get_iso_packet_buffer_simple(struct libusb_transfer *transfer, unsigned int packet)
Definition: libusb.h:1747
libusb_transfer::type
unsigned char type
Type of the endpoint from libusb_transfer_type.
Definition: libusb.h:1221
libusb_log_cb
void(* libusb_log_cb)(libusb_context *ctx, enum libusb_log_level level, const char *str)
Definition: libusb.h:1319
libusb_handle_events
int libusb_handle_events(libusb_context *ctx)
Definition: io.c:2465
libusb_cancel_transfer
int libusb_cancel_transfer(struct libusb_transfer *transfer)
Definition: io.c:1578
LIBUSB_CLASS_CONTENT_SECURITY
@ LIBUSB_CLASS_CONTENT_SECURITY
Content Security.
Definition: libusb.h:233
libusb_bos_descriptor::wTotalLength
uint16_t wTotalLength
Length of this descriptor and all of its sub descriptors.
Definition: libusb.h:759
libusb_endpoint_descriptor::bDescriptorType
uint8_t bDescriptorType
Descriptor type.
Definition: libusb.h:546
libusb_bos_dev_capability_descriptor
Definition: libusb.h:731
libusb_usb_2_0_extension_descriptor
Definition: libusb.h:774
libusb_version::describe
const char * describe
For ABI compatibility only.
Definition: libusb.h:919
LIBUSB_CLASS_COMM
@ LIBUSB_CLASS_COMM
Communications class.
Definition: libusb.h:205
libusb_transfer_status
libusb_transfer_status
Definition: libusb.h:1106
libusb_supported_speed
libusb_supported_speed
Definition: libusb.h:996
LIBUSB_REQUEST_SET_INTERFACE
@ LIBUSB_REQUEST_SET_INTERFACE
Select an alternate interface for the specified interface.
Definition: libusb.h:392
LIBUSB_REQUEST_SET_ADDRESS
@ LIBUSB_REQUEST_SET_ADDRESS
Set device address for all future accesses.
Definition: libusb.h:374
libusb_endpoint_descriptor::bInterval
uint8_t bInterval
Interval for polling endpoint for data transfers.
Definition: libusb.h:567
libusb_ss_endpoint_companion_descriptor::bDescriptorType
uint8_t bDescriptorType
Descriptor type.
Definition: libusb.h:708
libusb_container_id_descriptor::bDevCapabilityType
uint8_t bDevCapabilityType
Capability type.
Definition: libusb.h:854
LIBUSB_REQUEST_CLEAR_FEATURE
@ LIBUSB_REQUEST_CLEAR_FEATURE
Clear or disable a specific feature.
Definition: libusb.h:364
LIBUSB_ERROR_BUSY
@ LIBUSB_ERROR_BUSY
Resource busy.
Definition: libusb.h:1074
libusb_config_descriptor::bNumInterfaces
uint8_t bNumInterfaces
Number of interfaces supported by this configuration.
Definition: libusb.h:665
libusb_set_pollfd_notifiers
void libusb_set_pollfd_notifiers(libusb_context *ctx, libusb_pollfd_added_cb added_cb, libusb_pollfd_removed_cb removed_cb, void *user_data)
Definition: io.c:2674
libusb_interface_descriptor::bAlternateSetting
uint8_t bAlternateSetting
Value used to select this alternate setting for this interface.
Definition: libusb.h:602
libusb_config_descriptor::iConfiguration
uint8_t iConfiguration
Index of string descriptor describing this configuration.
Definition: libusb.h:671
libusb_get_usb_2_0_extension_descriptor
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)
Definition: descriptor.c:968
LIBUSB_RECIPIENT_ENDPOINT
@ LIBUSB_RECIPIENT_ENDPOINT
Endpoint.
Definition: libusb.h:435
libusb_get_ss_endpoint_companion_descriptor
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)
Definition: descriptor.c:753
libusb_transfer_type
libusb_transfer_type
Definition: libusb.h:340
libusb_endpoint_descriptor::extra_length
int extra_length
Length of the extra descriptors, in bytes.
Definition: libusb.h:581
libusb_detach_kernel_driver
int libusb_detach_kernel_driver(libusb_device_handle *dev_handle, int interface_number)
Definition: core.c:2022
libusb_config_descriptor::bmAttributes
uint8_t bmAttributes
Configuration characteristics.
Definition: libusb.h:674
libusb_transfer::timeout
unsigned int timeout
Timeout for this transfer in milliseconds.
Definition: libusb.h:1225
LIBUSB_DT_HID
@ LIBUSB_DT_HID
HID descriptor.
Definition: libusb.h:279
libusb_ss_usb_device_capability_descriptor::bFunctionalitySupport
uint8_t bFunctionalitySupport
The lowest speed at which all the functionality supported by the device is available to the user.
Definition: libusb.h:828
libusb_config_descriptor::bLength
uint8_t bLength
Size of this descriptor (in bytes)
Definition: libusb.h:654
LIBUSB_ERROR_IO
@ LIBUSB_ERROR_IO
Input/output error.
Definition: libusb.h:1059
LIBUSB_CAP_HAS_CAPABILITY
@ LIBUSB_CAP_HAS_CAPABILITY
The libusb_has_capability() API is available.
Definition: libusb.h:1269
libusb_endpoint_descriptor::wMaxPacketSize
uint16_t wMaxPacketSize
Maximum packet size this endpoint is capable of sending/receiving.
Definition: libusb.h:564
libusb_interface_descriptor::bLength
uint8_t bLength
Size of this descriptor (in bytes)
Definition: libusb.h:591
LIBUSB_ERROR_NOT_FOUND
@ LIBUSB_ERROR_NOT_FOUND
Entity not found.
Definition: libusb.h:1071
libusb_ss_usb_device_capability_descriptor::bDevCapabilityType
uint8_t bDevCapabilityType
Capability type.
Definition: libusb.h:812
LIBUSB_CLASS_DIAGNOSTIC_DEVICE
@ LIBUSB_CLASS_DIAGNOSTIC_DEVICE
Diagnostic Device.
Definition: libusb.h:242
libusb_interface_descriptor::extra
const unsigned char * extra
Extra descriptors.
Definition: libusb.h:628
libusb_strerror
const char * libusb_strerror(enum libusb_error errcode)
Definition: strerror.c:223
LIBUSB_REQUEST_TYPE_STANDARD
@ LIBUSB_REQUEST_TYPE_STANDARD
Standard.
Definition: libusb.h:411
libusb_release_interface
int libusb_release_interface(libusb_device_handle *dev_handle, int interface_number)
Definition: core.c:1730
LIBUSB_TRANSFER_SHORT_NOT_OK
@ LIBUSB_TRANSFER_SHORT_NOT_OK
Report short frames as errors.
Definition: libusb.h:1138
LIBUSB_RECIPIENT_OTHER
@ LIBUSB_RECIPIENT_OTHER
Other.
Definition: libusb.h:438
LIBUSB_SPEED_FULL
@ LIBUSB_SPEED_FULL
The device is operating at full speed (12MBit/s).
Definition: libusb.h:980
libusb_bos_descriptor::dev_capability
struct libusb_bos_dev_capability_descriptor * dev_capability[ZERO_SIZED_ARRAY]
bNumDeviceCap Device Capability Descriptors
Definition: libusb.h:766
LIBUSB_TRANSFER_TYPE_BULK_STREAM
@ LIBUSB_TRANSFER_TYPE_BULK_STREAM
Stream endpoint.
Definition: libusb.h:354
libusb_config_descriptor::extra
const unsigned char * extra
Extra descriptors.
Definition: libusb.h:688
libusb_device_descriptor::iProduct
uint8_t iProduct
Index of string descriptor describing product.
Definition: libusb.h:525
libusb_ss_usb_device_capability_descriptor::bU1DevExitLat
uint8_t bU1DevExitLat
U1 Device Exit Latency.
Definition: libusb.h:831
libusb_ref_device
libusb_device * libusb_ref_device(libusb_device *dev)
Definition: core.c:1154
libusb_get_ss_usb_device_capability_descriptor
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_cap)
Definition: descriptor.c:1026
libusb_iso_packet_descriptor::actual_length
unsigned int actual_length
Amount of data that was actually transferred.
Definition: libusb.h:1185
libusb_error_name
const char * libusb_error_name(int errcode)
Definition: core.c:2682
libusb_config_descriptor::extra_length
int extra_length
Length of the extra descriptors, in bytes.
Definition: libusb.h:691
libusb_bos_dev_capability_descriptor::bDescriptorType
uint8_t bDescriptorType
Descriptor type.
Definition: libusb.h:737
LIBUSB_RECIPIENT_DEVICE
@ LIBUSB_RECIPIENT_DEVICE
Device.
Definition: libusb.h:429
LIBUSB_SPEED_SUPER
@ LIBUSB_SPEED_SUPER
The device is operating at super speed (5000MBit/s).
Definition: libusb.h:986
libusb_free_bos_descriptor
void libusb_free_bos_descriptor(struct libusb_bos_descriptor *bos)
Definition: descriptor.c:943
libusb_init
int libusb_init(libusb_context **ctx)
Definition: core.c:2253
libusb_interface_descriptor::endpoint
const struct libusb_endpoint_descriptor * endpoint
Array of endpoint descriptors.
Definition: libusb.h:624
LIBUSB_REQUEST_SET_SEL
@ LIBUSB_REQUEST_SET_SEL
Sets both the U1 and U2 Exit Latency.
Definition: libusb.h:398
libusb_get_max_packet_size
int libusb_get_max_packet_size(libusb_device *dev, unsigned char endpoint)
Definition: core.c:1044
libusb_ss_usb_device_capability_descriptor::bU2DevExitLat
uint16_t bU2DevExitLat
U2 Device Exit Latency.
Definition: libusb.h:834
libusb_le16_to_cpu
#define libusb_le16_to_cpu
Definition: libusb.h:188
LIBUSB_REQUEST_SET_DESCRIPTOR
@ LIBUSB_REQUEST_SET_DESCRIPTOR
Used to update existing descriptors or add new descriptors.
Definition: libusb.h:380
libusb_transfer::iso_packet_desc
struct libusb_iso_packet_descriptor iso_packet_desc[ZERO_SIZED_ARRAY]
Isochronous packet descriptors, for isochronous transfers only.
Definition: libusb.h:1259
libusb_usb_2_0_extension_descriptor::bDescriptorType
uint8_t bDescriptorType
Descriptor type.
Definition: libusb.h:781
LIBUSB_CLASS_APPLICATION
@ LIBUSB_CLASS_APPLICATION
Application class.
Definition: libusb.h:248
libusb_get_device_list
ssize_t libusb_get_device_list(libusb_context *ctx, libusb_device ***list)
Definition: core.c:807
libusb_transfer_set_stream_id
void libusb_transfer_set_stream_id(struct libusb_transfer *transfer, uint32_t stream_id)
Definition: io.c:1622
libusb_transfer::buffer
unsigned char * buffer
Data buffer.
Definition: libusb.h:1252
libusb_config_descriptor
Definition: libusb.h:652
libusb_bos_dev_capability_descriptor::bDevCapabilityType
uint8_t bDevCapabilityType
Device Capability type.
Definition: libusb.h:739
LIBUSB_TRANSFER_TYPE_CONTROL
@ LIBUSB_TRANSFER_TYPE_CONTROL
Control endpoint.
Definition: libusb.h:342
libusb_get_configuration
int libusb_get_configuration(libusb_device_handle *dev, int *config)
Definition: core.c:1573
libusb_set_auto_detach_kernel_driver
int libusb_set_auto_detach_kernel_driver(libusb_device_handle *dev_handle, int enable)
Definition: core.c:2092
libusb_container_id_descriptor::bReserved
uint8_t bReserved
Reserved field.
Definition: libusb.h:857
LIBUSB_CAP_HAS_HOTPLUG
@ LIBUSB_CAP_HAS_HOTPLUG
Hotplug support is available on this platform.
Definition: libusb.h:1271
LIBUSB_CALL
#define LIBUSB_CALL
Definition: libusb.h:129
libusb_transfer::flags
uint8_t flags
A bitwise OR combination of libusb_transfer_flags.
Definition: libusb.h:1215
LIBUSB_HIGH_SPEED_OPERATION
@ LIBUSB_HIGH_SPEED_OPERATION
High speed operation supported (480MBit/s).
Definition: libusb.h:1004
libusb_fill_control_setup
static void libusb_fill_control_setup(unsigned char *buffer, uint8_t bmRequestType, uint8_t bRequest, uint16_t wValue, uint16_t wIndex, uint16_t wLength)
Definition: libusb.h:1492
libusb_endpoint_descriptor::extra
const unsigned char * extra
Extra descriptors.
Definition: libusb.h:578
libusb_config_descriptor::wTotalLength
uint16_t wTotalLength
Total length of data returned for this configuration.
Definition: libusb.h:662
libusb_ss_usb_device_capability_descriptor::bLength
uint8_t bLength
Size of this descriptor (in bytes)
Definition: libusb.h:802
libusb_device
struct libusb_device libusb_device
Definition: libusb.h:956
libusb_dev_mem_free
int libusb_dev_mem_free(libusb_device_handle *dev_handle, unsigned char *buffer, size_t length)
Definition: core.c:1961
libusb_fill_bulk_stream_transfer
static 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)
Definition: libusb.h:1603
libusb_unlock_events
void libusb_unlock_events(libusb_context *ctx)
Definition: io.c:1819
libusb_endpoint_descriptor::bLength
uint8_t bLength
Size of this descriptor (in bytes)
Definition: libusb.h:541
libusb_control_setup::bmRequestType
uint8_t bmRequestType
Request type.
Definition: libusb.h:871
LIBUSB_TRANSFER_COMPLETED
@ LIBUSB_TRANSFER_COMPLETED
Transfer completed without error.
Definition: libusb.h:1109
libusb_reset_device
int libusb_reset_device(libusb_device_handle *dev_handle)
Definition: core.c:1844
LIBUSB_ERROR_INVALID_PARAM
@ LIBUSB_ERROR_INVALID_PARAM
Invalid parameter.
Definition: libusb.h:1062
libusb_get_bos_descriptor
int libusb_get_bos_descriptor(libusb_device_handle *dev_handle, struct libusb_bos_descriptor **bos)
Definition: descriptor.c:894
libusb_free_transfer
void libusb_free_transfer(struct libusb_transfer *transfer)
Definition: io.c:1312
libusb_class_code
libusb_class_code
Definition: libusb.h:194
libusb_alloc_transfer
struct libusb_transfer * libusb_alloc_transfer(int iso_packets)
Definition: io.c:1269
LIBUSB_CLASS_PHYSICAL
@ LIBUSB_CLASS_PHYSICAL
Physical.
Definition: libusb.h:211
libusb_usb_2_0_extension_descriptor::bLength
uint8_t bLength
Size of this descriptor (in bytes)
Definition: libusb.h:776
libusb_setlocale
int libusb_setlocale(const char *locale)
Definition: strerror.c:189
libusb_pollfd_removed_cb
void(* libusb_pollfd_removed_cb)(int fd, void *user_data)
Definition: libusb.h:1884
libusb_get_string_descriptor
static int libusb_get_string_descriptor(libusb_device_handle *dev_handle, uint8_t desc_index, uint16_t langid, unsigned char *data, int length)
Definition: libusb.h:1813
libusb_attach_kernel_driver
int libusb_attach_kernel_driver(libusb_device_handle *dev_handle, int interface_number)
Definition: core.c:2056
LIBUSB_ERROR_OTHER
@ LIBUSB_ERROR_OTHER
Other error.
Definition: libusb.h:1098
LIBUSB_DT_STRING
@ LIBUSB_DT_STRING
String descriptor.
Definition: libusb.h:264
libusb_usb_2_0_extension_descriptor::bmAttributes
uint32_t bmAttributes
Bitmap encoding of supported device level features.
Definition: libusb.h:792
libusb_device_descriptor::iSerialNumber
uint8_t iSerialNumber
Index of string descriptor containing device serial number.
Definition: libusb.h:528
libusb_get_pollfds
const struct libusb_pollfd ** libusb_get_pollfds(libusb_context *ctx)
Definition: io.c:2769
libusb_option
libusb_option
Definition: libusb.h:2026
LIBUSB_ERROR_PIPE
@ LIBUSB_ERROR_PIPE
Pipe error.
Definition: libusb.h:1083
libusb_get_container_id_descriptor
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)
Definition: descriptor.c:1085
LIBUSB_DT_DEVICE
@ LIBUSB_DT_DEVICE
Device descriptor.
Definition: libusb.h:258
LIBUSB_TRANSFER_ERROR
@ LIBUSB_TRANSFER_ERROR
Transfer failed.
Definition: libusb.h:1112
LIBUSB_OPTION_USE_USBDK
@ LIBUSB_OPTION_USE_USBDK
Use the UsbDk backend for a specific context, if available.
Definition: libusb.h:2057
LIBUSB_DT_ENDPOINT
@ LIBUSB_DT_ENDPOINT
Endpoint descriptor.
Definition: libusb.h:270
libusb_get_port_numbers
int libusb_get_port_numbers(libusb_device *dev, uint8_t *port_numbers, int port_numbers_len)
Definition: core.c:931
libusb_transfer_cb_fn
void(* libusb_transfer_cb_fn)(struct libusb_transfer *transfer)
Definition: libusb.h:1202
libusb_handle_events_completed
int libusb_handle_events_completed(libusb_context *ctx, int *completed)
Definition: io.c:2487
libusb_device_descriptor::idProduct
uint16_t idProduct
USB-IF product ID.
Definition: libusb.h:516
libusb_ss_usb_device_capability_descriptor::bDescriptorType
uint8_t bDescriptorType
Descriptor type.
Definition: libusb.h:807
libusb_free_usb_2_0_extension_descriptor
void libusb_free_usb_2_0_extension_descriptor(struct libusb_usb_2_0_extension_descriptor *usb_2_0_extension)
Definition: descriptor.c:1007
libusb_device_descriptor::bcdDevice
uint16_t bcdDevice
Device release number in binary-coded decimal.
Definition: libusb.h:519
LIBUSB_TRANSFER_TYPE_BULK
@ LIBUSB_TRANSFER_TYPE_BULK
Bulk endpoint.
Definition: libusb.h:348
LIBUSB_BT_WIRELESS_USB_DEVICE_CAPABILITY
@ LIBUSB_BT_WIRELESS_USB_DEVICE_CAPABILITY
Wireless USB device capability.
Definition: libusb.h:1035
libusb_ss_usb_device_capability_descriptor::bmAttributes
uint8_t bmAttributes
Bitmap encoding of supported device level features.
Definition: libusb.h:818
libusb_bos_dev_capability_descriptor::bLength
uint8_t bLength
Size of this descriptor (in bytes)
Definition: libusb.h:733
libusb_bos_type
libusb_bos_type
Definition: libusb.h:1033
libusb_unlock_event_waiters
void libusb_unlock_event_waiters(libusb_context *ctx)
Definition: io.c:1956
libusb_hotplug_callback_handle
int libusb_hotplug_callback_handle
Definition: libusb.h:1905
libusb_ss_usb_device_capability_descriptor
Definition: libusb.h:800
libusb_endpoint_descriptor::bEndpointAddress
uint8_t bEndpointAddress
The address of the endpoint described by this descriptor.
Definition: libusb.h:552
libusb_get_parent
libusb_device * libusb_get_parent(libusb_device *dev)
Definition: core.c:977
LIBUSB_ENDPOINT_IN
@ LIBUSB_ENDPOINT_IN
In: device-to-host.
Definition: libusb.h:328
LIBUSB_BT_SS_USB_DEVICE_CAPABILITY
@ LIBUSB_BT_SS_USB_DEVICE_CAPABILITY
SuperSpeed USB device capability.
Definition: libusb.h:1041
LIBUSB_DT_SS_ENDPOINT_COMPANION
@ LIBUSB_DT_SS_ENDPOINT_COMPANION
SuperSpeed Endpoint Companion descriptor.
Definition: libusb.h:294
LIBUSB_ISO_SYNC_TYPE_ADAPTIVE
@ LIBUSB_ISO_SYNC_TYPE_ADAPTIVE
Adaptive.
Definition: libusb.h:456
libusb_endpoint_descriptor
Definition: libusb.h:539
libusb_get_next_timeout
int libusb_get_next_timeout(libusb_context *ctx, struct timeval *tv)
Definition: io.c:2596
LIBUSB_HOTPLUG_EVENT_DEVICE_LEFT
@ LIBUSB_HOTPLUG_EVENT_DEVICE_LEFT
A device has left and is no longer available.
Definition: libusb.h:1932
libusb_descriptor_type
libusb_descriptor_type
Definition: libusb.h:256
libusb_version::major
const uint16_t major
Library major version.
Definition: libusb.h:904
libusb_usb_2_0_extension_descriptor::bDevCapabilityType
uint8_t bDevCapabilityType
Capability type.
Definition: libusb.h:786
libusb_transfer::dev_handle
libusb_device_handle * dev_handle
Handle of the device that this transfer will be submitted to.
Definition: libusb.h:1212
libusb_set_option
int libusb_set_option(libusb_context *ctx, enum libusb_option option,...)
Definition: core.c:2182
LIBUSB_TRANSFER_TYPE_ISOCHRONOUS
@ LIBUSB_TRANSFER_TYPE_ISOCHRONOUS
Isochronous endpoint.
Definition: libusb.h:345
libusb_interface_descriptor::bInterfaceClass
uint8_t bInterfaceClass
USB-IF class code for this interface.
Definition: libusb.h:609
libusb_device_descriptor::bDeviceClass
uint8_t bDeviceClass
USB-IF class code for the device.
Definition: libusb.h:499
LIBUSB_BT_USB_2_0_EXTENSION
@ LIBUSB_BT_USB_2_0_EXTENSION
USB 2.0 extensions.
Definition: libusb.h:1038
libusb_usb_2_0_extension_attributes
libusb_usb_2_0_extension_attributes
Definition: libusb.h:1015
libusb_fill_interrupt_transfer
static void libusb_fill_interrupt_transfer(struct libusb_transfer *transfer, libusb_device_handle *dev_handle, unsigned char endpoint, unsigned char *buffer, int length, libusb_transfer_cb_fn callback, void *user_data, unsigned int timeout)
Definition: libusb.h:1628
libusb_submit_transfer
int libusb_submit_transfer(struct libusb_transfer *transfer)
Definition: io.c:1487
LIBUSB_SPEED_HIGH
@ LIBUSB_SPEED_HIGH
The device is operating at high speed (480MBit/s).
Definition: libusb.h:983
LIBUSB_TRANSFER_STALL
@ LIBUSB_TRANSFER_STALL
For bulk/interrupt endpoints: halt condition detected (endpoint stalled).
Definition: libusb.h:1122
libusb_get_device_address
uint8_t libusb_get_device_address(libusb_device *dev)
Definition: core.c:987
LIBUSB_DT_REPORT
@ LIBUSB_DT_REPORT
HID report descriptor.
Definition: libusb.h:282
libusb_lock_event_waiters
void libusb_lock_event_waiters(libusb_context *ctx)
Definition: io.c:1945
libusb_transfer::callback
libusb_transfer_cb_fn callback
Callback function.
Definition: libusb.h:1246
LIBUSB_CLASS_PER_INTERFACE
@ LIBUSB_CLASS_PER_INTERFACE
In the context of a device descriptor, this bDeviceClass value indicates that each interface specifie...
Definition: libusb.h:199
libusb_standard_request
libusb_standard_request
Definition: libusb.h:359
LIBUSB_ISO_USAGE_TYPE_IMPLICIT
@ LIBUSB_ISO_USAGE_TYPE_IMPLICIT
Implicit feedback Data endpoint.
Definition: libusb.h:477
libusb_interface_descriptor::bNumEndpoints
uint8_t bNumEndpoints
Number of endpoints used by this interface (excluding the control endpoint).
Definition: libusb.h:606
LIBUSB_REQUEST_GET_CONFIGURATION
@ LIBUSB_REQUEST_GET_CONFIGURATION
Get the current device configuration value.
Definition: libusb.h:383
LIBUSB_TRANSFER_TYPE_INTERRUPT
@ LIBUSB_TRANSFER_TYPE_INTERRUPT
Interrupt endpoint.
Definition: libusb.h:351
libusb_interface::altsetting
const struct libusb_interface_descriptor * altsetting
Array of interface descriptors.
Definition: libusb.h:640
LIBUSB_TRANSFER_FREE_BUFFER
@ LIBUSB_TRANSFER_FREE_BUFFER
Automatically free() transfer buffer during libusb_free_transfer().
Definition: libusb.h:1144
libusb_bulk_transfer
int libusb_bulk_transfer(libusb_device_handle *dev_handle, unsigned char endpoint, unsigned char *data, int length, int *actual_length, unsigned int timeout)
Definition: sync.c:277
LIBUSB_CLASS_MASS_STORAGE
@ LIBUSB_CLASS_MASS_STORAGE
Mass storage class.
Definition: libusb.h:221
LIBUSB_CLASS_HUB
@ LIBUSB_CLASS_HUB
Hub class.
Definition: libusb.h:224
LIBUSB_SPEED_LOW
@ LIBUSB_SPEED_LOW
The device is operating at low speed (1.5MBit/s).
Definition: libusb.h:977
libusb_interface
Definition: libusb.h:637
libusb_device_descriptor
Definition: libusb.h:485
libusb_hotplug_callback_fn
int(* libusb_hotplug_callback_fn)(libusb_context *ctx, libusb_device *device, libusb_hotplug_event event, void *user_data)
Definition: libusb.h:1961
LIBUSB_SUCCESS
@ LIBUSB_SUCCESS
Success (no error)
Definition: libusb.h:1056
libusb_get_bus_number
uint8_t libusb_get_bus_number(libusb_device *dev)
Definition: core.c:896
libusb_alloc_streams
int libusb_alloc_streams(libusb_device_handle *dev_handle, uint32_t num_streams, unsigned char *endpoints, int num_endpoints)
Definition: core.c:1874
LIBUSB_DT_SUPERSPEED_HUB
@ LIBUSB_DT_SUPERSPEED_HUB
SuperSpeed Hub descriptor.
Definition: libusb.h:291
LIBUSB_LOW_SPEED_OPERATION
@ LIBUSB_LOW_SPEED_OPERATION
Low speed operation supported (1.5MBit/s).
Definition: libusb.h:998
libusb_open_device_with_vid_pid
libusb_device_handle * libusb_open_device_with_vid_pid(libusb_context *ctx, uint16_t vendor_id, uint16_t product_id)
Definition: core.c:1387
LIBUSB_TRANSFER_FREE_TRANSFER
@ LIBUSB_TRANSFER_FREE_TRANSFER
Automatically call libusb_free_transfer() after callback returns.
Definition: libusb.h:1150
libusb_bos_descriptor
Definition: libusb.h:749
libusb_device_descriptor::idVendor
uint16_t idVendor
USB-IF vendor ID.
Definition: libusb.h:513
libusb_lock_events
void libusb_lock_events(libusb_context *ctx)
Definition: io.c:1804
LIBUSB_ERROR_NOT_SUPPORTED
@ LIBUSB_ERROR_NOT_SUPPORTED
Operation not supported or unimplemented on this platform.
Definition: libusb.h:1092
libusb_get_max_iso_packet_size
int libusb_get_max_iso_packet_size(libusb_device *dev, unsigned char endpoint)
Definition: core.c:1099
LIBUSB_RECIPIENT_INTERFACE
@ LIBUSB_RECIPIENT_INTERFACE
Interface.
Definition: libusb.h:432
libusb_pollfd::events
short events
Event flags to poll for from <poll.h>.
Definition: libusb.h:1859
libusb_version::micro
const uint16_t micro
Library micro version.
Definition: libusb.h:910
libusb_open
int libusb_open(libusb_device *dev, libusb_device_handle **dev_handle)
Definition: core.c:1325
LIBUSB_FULL_SPEED_OPERATION
@ LIBUSB_FULL_SPEED_OPERATION
Full speed operation supported (12MBit/s).
Definition: libusb.h:1001
libusb_free_ss_endpoint_companion_descriptor
void libusb_free_ss_endpoint_companion_descriptor(struct libusb_ss_endpoint_companion_descriptor *ep_comp)
Definition: descriptor.c:798
libusb_pollfd::fd
int fd
Numeric file descriptor.
Definition: libusb.h:1853
libusb_version::minor
const uint16_t minor
Library minor version.
Definition: libusb.h:907
libusb_container_id_descriptor::bLength
uint8_t bLength
Size of this descriptor (in bytes)
Definition: libusb.h:844
LIBUSB_CAP_SUPPORTS_DETACH_KERNEL_DRIVER
@ LIBUSB_CAP_SUPPORTS_DETACH_KERNEL_DRIVER
The library supports detaching of the default USB driver, using libusb_detach_kernel_driver(),...
Definition: libusb.h:1279
libusb_kernel_driver_active
int libusb_kernel_driver_active(libusb_device_handle *dev_handle, int interface_number)
Definition: core.c:1987
libusb_control_setup::wLength
uint16_t wLength
Number of bytes to transfer.
Definition: libusb.h:888
libusb_transfer::num_iso_packets
int num_iso_packets
Number of isochronous packets.
Definition: libusb.h:1256
libusb_interface_descriptor::bInterfaceSubClass
uint8_t bInterfaceSubClass
USB-IF subclass code for this interface, qualified by the bInterfaceClass value.
Definition: libusb.h:613
libusb_set_iso_packet_lengths
static void libusb_set_iso_packet_lengths(struct libusb_transfer *transfer, unsigned int length)
Definition: libusb.h:1681
libusb_ss_usb_device_capability_descriptor::wSpeedSupported
uint16_t wSpeedSupported
Bitmap encoding of the speed supported by this device when operating in SuperSpeed mode.
Definition: libusb.h:822
LIBUSB_ERROR_TIMEOUT
@ LIBUSB_ERROR_TIMEOUT
Operation timed out.
Definition: libusb.h:1077
libusb_control_setup::wValue
uint16_t wValue
Value.
Definition: libusb.h:881
LIBUSB_HOTPLUG_NO_FLAGS
@ LIBUSB_HOTPLUG_NO_FLAGS
Default value when not using any flags.
Definition: libusb.h:1914
libusb_set_interface_alt_setting
int libusb_set_interface_alt_setting(libusb_device_handle *dev_handle, int interface_number, int alternate_setting)
Definition: core.c:1775
libusb_pollfds_handle_timeouts
int libusb_pollfds_handle_timeouts(libusb_context *ctx)
Definition: io.c:2557
libusb_transfer_get_stream_id
uint32_t libusb_transfer_get_stream_id(struct libusb_transfer *transfer)
Definition: io.c:1639
LIBUSB_ISO_USAGE_TYPE_FEEDBACK
@ LIBUSB_ISO_USAGE_TYPE_FEEDBACK
Feedback endpoint.
Definition: libusb.h:474
LIBUSB_REQUEST_TYPE_RESERVED
@ LIBUSB_REQUEST_TYPE_RESERVED
Reserved.
Definition: libusb.h:420
LIBUSB_TRANSFER_NO_DEVICE
@ LIBUSB_TRANSFER_NO_DEVICE
Device was disconnected.
Definition: libusb.h:1125
libusb_event_handling_ok
int libusb_event_handling_ok(libusb_context *ctx)
Definition: io.c:1854
libusb_handle_events_timeout
int libusb_handle_events_timeout(libusb_context *ctx, struct timeval *tv)
Definition: io.c:2445
libusb_has_capability
int libusb_has_capability(uint32_t capability)
Definition: core.c:2453
libusb_error
libusb_error
Definition: libusb.h:1054
libusb_log_cb_mode
libusb_log_cb_mode
Definition: libusb.h:1302
libusb_container_id_descriptor::ContainerID
uint8_t ContainerID[16]
128 bit UUID
Definition: libusb.h:860
libusb_wait_for_event
int libusb_wait_for_event(libusb_context *ctx, struct timeval *tv)
Definition: io.c:1987
LIBUSB_HOTPLUG_EVENT_DEVICE_ARRIVED
@ LIBUSB_HOTPLUG_EVENT_DEVICE_ARRIVED
A device has been plugged in and is ready to use.
Definition: libusb.h:1927
libusb_bos_descriptor::bDescriptorType
uint8_t bDescriptorType
Descriptor type.
Definition: libusb.h:756
libusb_config_descriptor::bDescriptorType
uint8_t bDescriptorType
Descriptor type.
Definition: libusb.h:659
libusb_device_descriptor::bLength
uint8_t bLength
Size of this descriptor (in bytes)
Definition: libusb.h:487
libusb_dev_mem_alloc
unsigned char * libusb_dev_mem_alloc(libusb_device_handle *dev_handle, size_t length)
Definition: core.c:1941
libusb_free_pollfds
void libusb_free_pollfds(const struct libusb_pollfd **pollfds)
Definition: io.c:2809
libusb_bos_descriptor::bLength
uint8_t bLength
Size of this descriptor (in bytes)
Definition: libusb.h:751
libusb_version::nano
const uint16_t nano
Library nano version.
Definition: libusb.h:913
LIBUSB_REQUEST_SYNCH_FRAME
@ LIBUSB_REQUEST_SYNCH_FRAME
Set then report an endpoint's synchronization frame.
Definition: libusb.h:395
LIBUSB_DT_BOS
@ LIBUSB_DT_BOS
BOS descriptor.
Definition: libusb.h:273
libusb_transfer::endpoint
unsigned char endpoint
Address of the endpoint where this transfer will be sent.
Definition: libusb.h:1218
libusb_bos_dev_capability_descriptor::dev_capability_data
uint8_t dev_capability_data[ZERO_SIZED_ARRAY]
Device Capability data (bLength - 3 bytes)
Definition: libusb.h:741
libusb_device_descriptor::bcdUSB
uint16_t bcdUSB
USB specification release number in binary-coded decimal.
Definition: libusb.h:496
LIBUSB_ERROR_NO_MEM
@ LIBUSB_ERROR_NO_MEM
Insufficient memory.
Definition: libusb.h:1089
libusb_transfer
Definition: libusb.h:1210
libusb_transfer::length
int length
Length of the data buffer.
Definition: libusb.h:1237
LIBUSB_CLASS_PRINTER
@ LIBUSB_CLASS_PRINTER
Printer class.
Definition: libusb.h:214
libusb_interface_descriptor::bDescriptorType
uint8_t bDescriptorType
Descriptor type.
Definition: libusb.h:596
libusb_ss_usb_device_capability_attributes
libusb_ss_usb_device_capability_attributes
Definition: libusb.h:1025
LIBUSB_CLASS_WIRELESS
@ LIBUSB_CLASS_WIRELESS
Wireless class.
Definition: libusb.h:245
libusb_get_config_descriptor_by_value
int libusb_get_config_descriptor_by_value(libusb_device *dev, uint8_t bConfigurationValue, struct libusb_config_descriptor **config)
Definition: descriptor.c:699
libusb_transfer::user_data
void * user_data
User context data to pass to the callback function.
Definition: libusb.h:1249
libusb_fill_iso_transfer
static void libusb_fill_iso_transfer(struct libusb_transfer *transfer, libusb_device_handle *dev_handle, unsigned char endpoint, unsigned char *buffer, int length, int num_iso_packets, libusb_transfer_cb_fn callback, void *user_data, unsigned int timeout)
Definition: libusb.h:1657
libusb_control_setup::wIndex
uint16_t wIndex
Index.
Definition: libusb.h:885
libusb_interrupt_transfer
int libusb_interrupt_transfer(libusb_device_handle *dev_handle, unsigned char endpoint, unsigned char *data, int length, int *actual_length, unsigned int timeout)
Definition: sync.c:329
libusb_fill_bulk_transfer
static void libusb_fill_bulk_transfer(struct libusb_transfer *transfer, libusb_device_handle *dev_handle, unsigned char endpoint, unsigned char *buffer, int length, libusb_transfer_cb_fn callback, void *user_data, unsigned int timeout)
Definition: libusb.h:1572
libusb_get_string_descriptor_ascii
int libusb_get_string_descriptor_ascii(libusb_device_handle *dev_handle, uint8_t desc_index, unsigned char *data, int length)
Definition: descriptor.c:1141
LIBUSB_TRANSFER_TIMED_OUT
@ LIBUSB_TRANSFER_TIMED_OUT
Transfer timed out.
Definition: libusb.h:1115
libusb_ss_endpoint_companion_descriptor
Definition: libusb.h:700
LIBUSB_SUPER_SPEED_OPERATION
@ LIBUSB_SUPER_SPEED_OPERATION
Superspeed operation supported (5000MBit/s).
Definition: libusb.h:1007
libusb_log_level
libusb_log_level
Definition: libusb.h:1290
LIBUSB_CLASS_PTP
@ LIBUSB_CLASS_PTP
Image class.
Definition: libusb.h:217
libusb_transfer_flags
libusb_transfer_flags
Definition: libusb.h:1136
LIBUSB_ERROR_ACCESS
@ LIBUSB_ERROR_ACCESS
Access denied (insufficient permissions)
Definition: libusb.h:1065
libusb_iso_sync_type
libusb_iso_sync_type
Definition: libusb.h:448
LIBUSB_CLASS_SMART_CARD
@ LIBUSB_CLASS_SMART_CARD
Smart Card.
Definition: libusb.h:230
libusb_get_device
libusb_device * libusb_get_device(libusb_device_handle *dev_handle)
Definition: core.c:1548
libusb_device_descriptor::bMaxPacketSize0
uint8_t bMaxPacketSize0
Maximum packet size for endpoint 0.
Definition: libusb.h:510
libusb_config_descriptor::interface
const struct libusb_interface * interface
Array of interfaces supported by this configuration.
Definition: libusb.h:684
libusb_hotplug_register_callback
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 *callback_handle)
Definition: hotplug.c:234
libusb_config_descriptor::bConfigurationValue
uint8_t bConfigurationValue
Identifier value for this configuration.
Definition: libusb.h:668
libusb_device_descriptor::bNumConfigurations
uint8_t bNumConfigurations
Number of possible configurations.
Definition: libusb.h:531
libusb_handle_events_locked
int libusb_handle_events_locked(libusb_context *ctx, struct timeval *tv)
Definition: io.c:2513
libusb_container_id_descriptor::bDescriptorType
uint8_t bDescriptorType
Descriptor type.
Definition: libusb.h:849
libusb_hotplug_flag
libusb_hotplug_flag
Definition: libusb.h:1912
LIBUSB_REQUEST_TYPE_VENDOR
@ LIBUSB_REQUEST_TYPE_VENDOR
Vendor.
Definition: libusb.h:417
libusb_get_version
const struct libusb_version * libusb_get_version(void)
Definition: core.c:2737
libusb_get_active_config_descriptor
int libusb_get_active_config_descriptor(libusb_device *dev, struct libusb_config_descriptor **config)
Definition: descriptor.c:566
libusb_free_config_descriptor
void libusb_free_config_descriptor(struct libusb_config_descriptor *config)
Definition: descriptor.c:730
libusb_interface_descriptor::bInterfaceProtocol
uint8_t bInterfaceProtocol
USB-IF protocol code for this interface, qualified by the bInterfaceClass and bInterfaceSubClass valu...
Definition: libusb.h:617
libusb_request_type
libusb_request_type
Definition: libusb.h:409
libusb_interface_descriptor::extra_length
int extra_length
Length of the extra descriptors, in bytes.
Definition: libusb.h:631
LIBUSB_BT_CONTAINER_ID
@ LIBUSB_BT_CONTAINER_ID
Container ID type.
Definition: libusb.h:1044
LIBUSB_LOG_CB_CONTEXT
@ LIBUSB_LOG_CB_CONTEXT
Callback function handling context related log mesages.
Definition: libusb.h:1308
libusb_set_log_cb
void libusb_set_log_cb(libusb_context *ctx, libusb_log_cb cb, int mode)
Definition: core.c:2141
LIBUSB_CAP_HAS_HID_ACCESS
@ LIBUSB_CAP_HAS_HID_ACCESS
The library can access HID devices without requiring user intervention.
Definition: libusb.h:1276
libusb_hotplug_deregister_callback
void libusb_hotplug_deregister_callback(libusb_context *ctx, libusb_hotplug_callback_handle callback_handle)
Definition: hotplug.c:322
libusb_close
void libusb_close(libusb_device_handle *dev_handle)
Definition: core.c:1487
LIBUSB_REQUEST_SET_CONFIGURATION
@ LIBUSB_REQUEST_SET_CONFIGURATION
Set device configuration.
Definition: libusb.h:386
libusb_iso_packet_descriptor::length
unsigned int length
Length of data to request in this packet.
Definition: libusb.h:1182
libusb_try_lock_events
int libusb_try_lock_events(libusb_context *ctx)
Definition: io.c:1762
libusb_transfer::actual_length
int actual_length
Actual length of data that was transferred.
Definition: libusb.h:1242
libusb_iso_packet_descriptor::status
enum libusb_transfer_status status
Status code for this packet.
Definition: libusb.h:1188
libusb_control_transfer_get_setup
static struct libusb_control_setup * libusb_control_transfer_get_setup(struct libusb_transfer *transfer)
Definition: libusb.h:1463
libusb_iso_usage_type
libusb_iso_usage_type
Definition: libusb.h:469
libusb_free_device_list
void libusb_free_device_list(libusb_device **list, int unref_devices)
Definition: core.c:875
LIBUSB_REQUEST_GET_DESCRIPTOR
@ LIBUSB_REQUEST_GET_DESCRIPTOR
Get the specified descriptor.
Definition: libusb.h:377
LIBUSB_DT_DEVICE_CAPABILITY
@ LIBUSB_DT_DEVICE_CAPABILITY
Device Capability descriptor.
Definition: libusb.h:276
libusb_get_port_number
uint8_t libusb_get_port_number(libusb_device *dev)
Definition: core.c:915
libusb_control_transfer
int libusb_control_transfer(libusb_device_handle *dev_handle, uint8_t request_type, uint8_t bRequest, uint16_t wValue, uint16_t wIndex, unsigned char *data, uint16_t wLength, unsigned int timeout)
Definition: sync.c:102
LIBUSB_SPEED_SUPER_PLUS
@ LIBUSB_SPEED_SUPER_PLUS
The device is operating at super speed plus (10000MBit/s).
Definition: libusb.h:989
libusb_claim_interface
int libusb_claim_interface(libusb_device_handle *dev_handle, int interface_number)
Definition: core.c:1686
libusb_unref_device
void libusb_unref_device(libusb_device *dev)
Definition: core.c:1167
libusb_iso_packet_descriptor
Definition: libusb.h:1180
LIBUSB_ERROR_INTERRUPTED
@ LIBUSB_ERROR_INTERRUPTED
System call interrupted (perhaps due to signal)
Definition: libusb.h:1086
libusb_ss_endpoint_companion_descriptor::bMaxBurst
uint8_t bMaxBurst
The maximum number of packets the endpoint can send or receive as part of a burst.
Definition: libusb.h:713
libusb_get_device_speed
int libusb_get_device_speed(libusb_device *dev)
Definition: core.c:998
LIBUSB_DT_PHYSICAL
@ LIBUSB_DT_PHYSICAL
Physical descriptor.
Definition: libusb.h:285
libusb_get_descriptor
static int libusb_get_descriptor(libusb_device_handle *dev_handle, uint8_t desc_type, uint8_t desc_index, unsigned char *data, int length)
Definition: libusb.h:1791
LIBUSB_HOTPLUG_ENUMERATE
@ LIBUSB_HOTPLUG_ENUMERATE
Arm the callback and fire it for all matching currently attached devices.
Definition: libusb.h:1917
LIBUSB_SET_ISOCH_DELAY
@ LIBUSB_SET_ISOCH_DELAY
Delay from the time a host transmits a packet to the time it is received by the device.
Definition: libusb.h:402
libusb_device_descriptor::iManufacturer
uint8_t iManufacturer
Index of string descriptor describing manufacturer.
Definition: libusb.h:522
LIBUSB_REQUEST_TYPE_CLASS
@ LIBUSB_REQUEST_TYPE_CLASS
Class.
Definition: libusb.h:414
LIBUSB_TRANSFER_ADD_ZERO_PACKET
@ LIBUSB_TRANSFER_ADD_ZERO_PACKET
Terminate transfers that are a multiple of the endpoint's wMaxPacketSize with an extra zero length pa...
Definition: libusb.h:1175
libusb_get_iso_packet_buffer
static unsigned char * libusb_get_iso_packet_buffer(struct libusb_transfer *transfer, unsigned int packet)
Definition: libusb.h:1705
LIBUSB_CLASS_PERSONAL_HEALTHCARE
@ LIBUSB_CLASS_PERSONAL_HEALTHCARE
Personal Healthcare.
Definition: libusb.h:239
libusb_interrupt_event_handler
void libusb_interrupt_event_handler(libusb_context *ctx)
Definition: io.c:1910
libusb_handle_events_timeout_completed
int libusb_handle_events_timeout_completed(libusb_context *ctx, struct timeval *tv, int *completed)
Definition: io.c:2376
LIBUSB_CLASS_AUDIO
@ LIBUSB_CLASS_AUDIO
Audio class.
Definition: libusb.h:202
libusb_interface_descriptor::iInterface
uint8_t iInterface
Index of string descriptor describing this interface.
Definition: libusb.h:620
LIBUSB_CLASS_HID
@ LIBUSB_CLASS_HID
Human Interface Device class.
Definition: libusb.h:208
LIBUSB_BM_LPM_SUPPORT
@ LIBUSB_BM_LPM_SUPPORT
Supports Link Power Management (LPM)
Definition: libusb.h:1017
libusb_device_descriptor::bDescriptorType
uint8_t bDescriptorType
Descriptor type.
Definition: libusb.h:492
LIBUSB_CLASS_VENDOR_SPEC
@ LIBUSB_CLASS_VENDOR_SPEC
Class is vendor-specific.
Definition: libusb.h:251
libusb_version::rc
const char * rc
Library release candidate suffix string, e.g.
Definition: libusb.h:916
libusb_speed
libusb_speed
Definition: libusb.h:972
libusb_control_setup
Definition: libusb.h:865
libusb_device_handle
struct libusb_device_handle libusb_device_handle
Definition: libusb.h:967
libusb_pollfd_added_cb
void(* libusb_pollfd_added_cb)(int fd, short events, void *user_data)
Definition: libusb.h:1872
LIBUSB_DT_HUB
@ LIBUSB_DT_HUB
Hub descriptor.
Definition: libusb.h:288
libusb_interface_descriptor::bInterfaceNumber
uint8_t bInterfaceNumber
Number of this interface.
Definition: libusb.h:599
LIBUSB_CLASS_VIDEO
@ LIBUSB_CLASS_VIDEO
Video.
Definition: libusb.h:236
libusb_cpu_to_le16
static uint16_t libusb_cpu_to_le16(const uint16_t x)
Definition: libusb.h:169
libusb_get_config_descriptor
int libusb_get_config_descriptor(libusb_device *dev, uint8_t config_index, struct libusb_config_descriptor **config)
Definition: descriptor.c:615
libusb_fill_control_transfer
static void libusb_fill_control_transfer(struct libusb_transfer *transfer, libusb_device_handle *dev_handle, unsigned char *buffer, libusb_transfer_cb_fn callback, void *user_data, unsigned int timeout)
Definition: libusb.h:1541
libusb_transfer::status
enum libusb_transfer_status status
The status of the transfer.
Definition: libusb.h:1234
LIBUSB_DT_INTERFACE
@ LIBUSB_DT_INTERFACE
Interface descriptor.
Definition: libusb.h:267
libusb_free_streams
int libusb_free_streams(libusb_device_handle *dev_handle, unsigned char *endpoints, int num_endpoints)
Definition: core.c:1901
LIBUSB_REQUEST_GET_INTERFACE
@ LIBUSB_REQUEST_GET_INTERFACE
Return the selected alternate setting for the specified interface.
Definition: libusb.h:389