3 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
5 * Copyright (c) 2009 Sylvestre Gallon. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 #ifndef LIBUSB_GLOBAL_INCLUDE_FILE
35 #include <sys/types.h>
38 #define LIBUSB_API_VERSION 0x01000102
52 enum libusb_class_code {
53 LIBUSB_CLASS_PER_INTERFACE = 0,
54 LIBUSB_CLASS_AUDIO = 1,
55 LIBUSB_CLASS_COMM = 2,
57 LIBUSB_CLASS_PHYSICAL = 5,
59 LIBUSB_CLASS_IMAGE = 6,
60 LIBUSB_CLASS_PRINTER = 7,
61 LIBUSB_CLASS_MASS_STORAGE = 8,
63 LIBUSB_CLASS_DATA = 10,
64 LIBUSB_CLASS_SMART_CARD = 11,
65 LIBUSB_CLASS_CONTENT_SECURITY = 13,
66 LIBUSB_CLASS_VIDEO = 14,
67 LIBUSB_CLASS_PERSONAL_HEALTHCARE = 15,
68 LIBUSB_CLASS_DIAGNOSTIC_DEVICE = 0xdc,
69 LIBUSB_CLASS_WIRELESS = 0xe0,
70 LIBUSB_CLASS_APPLICATION = 0xfe,
71 LIBUSB_CLASS_VENDOR_SPEC = 0xff,
74 enum libusb_descriptor_type {
75 LIBUSB_DT_DEVICE = 0x01,
76 LIBUSB_DT_CONFIG = 0x02,
77 LIBUSB_DT_STRING = 0x03,
78 LIBUSB_DT_INTERFACE = 0x04,
79 LIBUSB_DT_ENDPOINT = 0x05,
81 LIBUSB_DT_REPORT = 0x22,
82 LIBUSB_DT_PHYSICAL = 0x23,
85 LIBUSB_DT_DEVICE_CAPABILITY = 0x10,
86 LIBUSB_DT_SS_ENDPOINT_COMPANION = 0x30,
89 enum libusb_device_capability_type {
90 LIBUSB_WIRELESS_USB_DEVICE_CAPABILITY = 0x1,
91 LIBUSB_USB_2_0_EXTENSION_DEVICE_CAPABILITY = 0x2,
92 LIBUSB_SS_USB_DEVICE_CAPABILITY = 0x3,
93 LIBUSB_CONTAINER_ID_DEVICE_CAPABILITY = 0x4,
96 #define LIBUSB_DT_DEVICE_SIZE 18
97 #define LIBUSB_DT_CONFIG_SIZE 9
98 #define LIBUSB_DT_INTERFACE_SIZE 9
99 #define LIBUSB_DT_ENDPOINT_SIZE 7
100 #define LIBUSB_DT_ENDPOINT_AUDIO_SIZE 9
101 #define LIBUSB_DT_HUB_NONVAR_SIZE 7
102 #define LIBUSB_DT_SS_ENDPOINT_COMPANION_SIZE 6
103 #define LIBUSB_DT_BOS_SIZE 5
104 #define LIBUSB_USB_2_0_EXTENSION_DEVICE_CAPABILITY_SIZE 7
105 #define LIBUSB_SS_USB_DEVICE_CAPABILITY_SIZE 10
107 #define LIBUSB_BT_USB_2_0_EXTENSION_SIZE 7
108 #define LIBUSB_BT_SS_USB_DEVICE_CAPABILITY_SIZE 10
109 #define LIBUSB_BT_CONTAINER_ID_SIZE 20
111 #define LIBUSB_ENDPOINT_ADDRESS_MASK 0x0f
112 #define LIBUSB_ENDPOINT_DIR_MASK 0x80
114 enum libusb_endpoint_direction {
115 LIBUSB_ENDPOINT_IN = 0x80,
116 LIBUSB_ENDPOINT_OUT = 0x00,
119 #define LIBUSB_TRANSFER_TYPE_MASK 0x03
121 enum libusb_transfer_type {
122 LIBUSB_TRANSFER_TYPE_CONTROL = 0,
123 LIBUSB_TRANSFER_TYPE_ISOCHRONOUS = 1,
124 LIBUSB_TRANSFER_TYPE_BULK = 2,
125 LIBUSB_TRANSFER_TYPE_INTERRUPT = 3,
128 enum libusb_standard_request {
129 LIBUSB_REQUEST_GET_STATUS = 0x00,
130 LIBUSB_REQUEST_CLEAR_FEATURE = 0x01,
131 LIBUSB_REQUEST_SET_FEATURE = 0x03,
132 LIBUSB_REQUEST_SET_ADDRESS = 0x05,
133 LIBUSB_REQUEST_GET_DESCRIPTOR = 0x06,
134 LIBUSB_REQUEST_SET_DESCRIPTOR = 0x07,
135 LIBUSB_REQUEST_GET_CONFIGURATION = 0x08,
136 LIBUSB_REQUEST_SET_CONFIGURATION = 0x09,
137 LIBUSB_REQUEST_GET_INTERFACE = 0x0A,
138 LIBUSB_REQUEST_SET_INTERFACE = 0x0B,
139 LIBUSB_REQUEST_SYNCH_FRAME = 0x0C,
140 LIBUSB_REQUEST_SET_SEL = 0x30,
141 LIBUSB_REQUEST_SET_ISOCH_DELAY = 0x31,
144 enum libusb_request_type {
145 LIBUSB_REQUEST_TYPE_STANDARD = (0x00 << 5),
146 LIBUSB_REQUEST_TYPE_CLASS = (0x01 << 5),
147 LIBUSB_REQUEST_TYPE_VENDOR = (0x02 << 5),
148 LIBUSB_REQUEST_TYPE_RESERVED = (0x03 << 5),
151 enum libusb_request_recipient {
152 LIBUSB_RECIPIENT_DEVICE = 0x00,
153 LIBUSB_RECIPIENT_INTERFACE = 0x01,
154 LIBUSB_RECIPIENT_ENDPOINT = 0x02,
155 LIBUSB_RECIPIENT_OTHER = 0x03,
158 #define LIBUSB_ISO_SYNC_TYPE_MASK 0x0C
160 enum libusb_iso_sync_type {
161 LIBUSB_ISO_SYNC_TYPE_NONE = 0,
162 LIBUSB_ISO_SYNC_TYPE_ASYNC = 1,
163 LIBUSB_ISO_SYNC_TYPE_ADAPTIVE = 2,
164 LIBUSB_ISO_SYNC_TYPE_SYNC = 3,
167 #define LIBUSB_ISO_USAGE_TYPE_MASK 0x30
169 enum libusb_iso_usage_type {
170 LIBUSB_ISO_USAGE_TYPE_DATA = 0,
171 LIBUSB_ISO_USAGE_TYPE_FEEDBACK = 1,
172 LIBUSB_ISO_USAGE_TYPE_IMPLICIT = 2,
175 enum libusb_bos_type {
176 LIBUSB_BT_WIRELESS_USB_DEVICE_CAPABILITY = 1,
177 LIBUSB_BT_USB_2_0_EXTENSION = 2,
178 LIBUSB_BT_SS_USB_DEVICE_CAPABILITY = 3,
179 LIBUSB_BT_CONTAINER_ID = 4,
182 enum libusb_capability {
183 /* libusb supports libusb_has_capability(). */
184 LIBUSB_CAP_HAS_CAPABILITY = 0,
185 /* Hotplug support is available. */
186 LIBUSB_CAP_HAS_HOTPLUG,
187 /* Can access HID devices without requiring user intervention. */
188 LIBUSB_CAP_HAS_HID_ACCESS,
191 * Supports detaching of the default USB driver with
192 * libusb_detach_kernel_driver().
194 LIBUSB_CAP_SUPPORTS_DETACH_KERNEL_DRIVER,
199 LIBUSB_ERROR_IO = -1,
200 LIBUSB_ERROR_INVALID_PARAM = -2,
201 LIBUSB_ERROR_ACCESS = -3,
202 LIBUSB_ERROR_NO_DEVICE = -4,
203 LIBUSB_ERROR_NOT_FOUND = -5,
204 LIBUSB_ERROR_BUSY = -6,
205 LIBUSB_ERROR_TIMEOUT = -7,
206 LIBUSB_ERROR_OVERFLOW = -8,
207 LIBUSB_ERROR_PIPE = -9,
208 LIBUSB_ERROR_INTERRUPTED = -10,
209 LIBUSB_ERROR_NO_MEM = -11,
210 LIBUSB_ERROR_NOT_SUPPORTED = -12,
211 LIBUSB_ERROR_OTHER = -99,
215 LIBUSB_SPEED_UNKNOWN = 0,
216 LIBUSB_SPEED_LOW = 1,
217 LIBUSB_SPEED_FULL = 2,
218 LIBUSB_SPEED_HIGH = 3,
219 LIBUSB_SPEED_SUPER = 4,
222 enum libusb_transfer_status {
223 LIBUSB_TRANSFER_COMPLETED,
224 LIBUSB_TRANSFER_ERROR,
225 LIBUSB_TRANSFER_TIMED_OUT,
226 LIBUSB_TRANSFER_CANCELLED,
227 LIBUSB_TRANSFER_STALL,
228 LIBUSB_TRANSFER_NO_DEVICE,
229 LIBUSB_TRANSFER_OVERFLOW,
232 enum libusb_transfer_flags {
233 LIBUSB_TRANSFER_SHORT_NOT_OK = 1 << 0,
234 LIBUSB_TRANSFER_FREE_BUFFER = 1 << 1,
235 LIBUSB_TRANSFER_FREE_TRANSFER = 1 << 2,
238 enum libusb_log_level {
239 LIBUSB_LOG_LEVEL_NONE = 0,
240 LIBUSB_LOG_LEVEL_ERROR,
241 LIBUSB_LOG_LEVEL_WARNING,
242 LIBUSB_LOG_LEVEL_INFO,
243 LIBUSB_LOG_LEVEL_DEBUG
247 /* libusb_set_debug should take parameters from libusb_log_level
249 * http://libusb.sourceforge.net/api-1.0/group__lib.html
251 enum libusb_debug_level {
253 LIBUSB_DEBUG_FUNCTION=1,
254 LIBUSB_DEBUG_TRANSFER=2,
257 #define LIBUSB_HOTPLUG_MATCH_ANY -1
260 LIBUSB_HOTPLUG_NO_FLAGS = 0,
261 LIBUSB_HOTPLUG_ENUMERATE = 1 << 0,
262 } libusb_hotplug_flag;
265 LIBUSB_HOTPLUG_EVENT_DEVICE_ARRIVED = 1,
266 LIBUSB_HOTPLUG_EVENT_DEVICE_LEFT = 2,
267 } libusb_hotplug_event;
269 /* libusb structures */
271 struct libusb_context;
272 struct libusb_device;
273 struct libusb_transfer;
274 struct libusb_device_handle;
275 struct libusb_hotplug_callback_handle_struct;
277 struct libusb_pollfd {
282 struct libusb_version {
283 const uint16_t major;
284 const uint16_t minor;
285 const uint16_t micro;
288 const char *describe;
291 typedef struct libusb_context libusb_context;
292 typedef struct libusb_device libusb_device;
293 typedef struct libusb_device_handle libusb_device_handle;
294 typedef struct libusb_pollfd libusb_pollfd;
295 typedef void (*libusb_pollfd_added_cb) (int fd, short events, void *user_data);
296 typedef void (*libusb_pollfd_removed_cb) (int fd, void *user_data);
297 typedef struct libusb_hotplug_callback_handle_struct *libusb_hotplug_callback_handle;
299 typedef struct libusb_device_descriptor {
301 uint8_t bDescriptorType;
303 uint8_t bDeviceClass;
304 uint8_t bDeviceSubClass;
305 uint8_t bDeviceProtocol;
306 uint8_t bMaxPacketSize0;
310 uint8_t iManufacturer;
312 uint8_t iSerialNumber;
313 uint8_t bNumConfigurations;
314 } libusb_device_descriptor;
316 typedef struct libusb_endpoint_descriptor {
318 uint8_t bDescriptorType;
319 uint8_t bEndpointAddress;
320 uint8_t bmAttributes;
321 uint16_t wMaxPacketSize;
324 uint8_t bSynchAddress;
327 } libusb_endpoint_descriptor __aligned(sizeof(void *));
329 typedef struct libusb_ss_endpoint_companion_descriptor {
331 uint8_t bDescriptorType;
333 uint8_t bmAttributes;
334 uint16_t wBytesPerInterval;
335 } libusb_ss_endpoint_companion_descriptor __aligned(sizeof(void *));
337 typedef struct libusb_interface_descriptor {
339 uint8_t bDescriptorType;
340 uint8_t bInterfaceNumber;
341 uint8_t bAlternateSetting;
342 uint8_t bNumEndpoints;
343 uint8_t bInterfaceClass;
344 uint8_t bInterfaceSubClass;
345 uint8_t bInterfaceProtocol;
347 struct libusb_endpoint_descriptor *endpoint;
350 } libusb_interface_descriptor __aligned(sizeof(void *));
352 typedef struct libusb_interface {
353 struct libusb_interface_descriptor *altsetting;
355 } libusb_interface __aligned(sizeof(void *));
357 typedef struct libusb_config_descriptor {
359 uint8_t bDescriptorType;
360 uint16_t wTotalLength;
361 uint8_t bNumInterfaces;
362 uint8_t bConfigurationValue;
363 uint8_t iConfiguration;
364 uint8_t bmAttributes;
366 struct libusb_interface *interface;
369 } libusb_config_descriptor __aligned(sizeof(void *));
371 typedef struct libusb_usb_2_0_device_capability_descriptor {
373 uint8_t bDescriptorType;
374 uint8_t bDevCapabilityType;
375 uint32_t bmAttributes;
376 #define LIBUSB_USB_2_0_CAPABILITY_LPM_SUPPORT (1 << 1)
377 } libusb_usb_2_0_device_capability_descriptor __aligned(sizeof(void *));
379 typedef struct libusb_ss_usb_device_capability_descriptor {
381 uint8_t bDescriptorType;
382 uint8_t bDevCapabilityType;
383 uint8_t bmAttributes;
384 #define LIBUSB_SS_USB_CAPABILITY_LPM_SUPPORT (1 << 1)
385 uint16_t wSpeedSupported;
386 #define LIBUSB_CAPABILITY_LOW_SPEED_OPERATION (1)
387 #define LIBUSB_CAPABILITY_FULL_SPEED_OPERATION (1 << 1)
388 #define LIBUSB_CAPABILITY_HIGH_SPEED_OPERATION (1 << 2)
389 #define LIBUSB_CAPABILITY_5GBPS_OPERATION (1 << 3)
390 uint8_t bFunctionalitySupport;
391 uint8_t bU1DevExitLat;
392 uint16_t wU2DevExitLat;
393 } libusb_ss_usb_device_capability_descriptor __aligned(sizeof(void *));
395 typedef struct libusb_bos_dev_capability_descriptor {
397 uint8_t bDescriptorType;
398 uint8_t bDevCapabilityType;
399 uint8_t dev_capability_data[0];
400 } libusb_bos_dev_capability_descriptor __aligned(sizeof(void *));
402 typedef struct libusb_bos_descriptor {
404 uint8_t bDescriptorType;
405 uint16_t wTotalLength;
406 uint8_t bNumDeviceCapabilities;
407 struct libusb_usb_2_0_device_capability_descriptor *usb_2_0_ext_cap;
408 struct libusb_ss_usb_device_capability_descriptor *ss_usb_cap;
409 struct libusb_bos_dev_capability_descriptor **dev_capability;
410 } libusb_bos_descriptor __aligned(sizeof(void *));
412 typedef struct libusb_usb_2_0_extension_descriptor {
414 uint8_t bDescriptorType;
415 uint8_t bDevCapabilityType;
416 uint32_t bmAttributes;
417 } libusb_usb_2_0_extension_descriptor __aligned(sizeof(void *));
419 typedef struct libusb_container_id_descriptor {
421 uint8_t bDescriptorType;
422 uint8_t bDevCapabilityType;
424 uint8_t ContainerID[16];
425 } libusb_container_id_descriptor __aligned(sizeof(void *));
427 typedef struct libusb_control_setup {
428 uint8_t bmRequestType;
433 } libusb_control_setup;
435 #define LIBUSB_CONTROL_SETUP_SIZE 8 /* bytes */
437 typedef struct libusb_iso_packet_descriptor {
439 uint32_t actual_length;
440 enum libusb_transfer_status status;
441 } libusb_iso_packet_descriptor __aligned(sizeof(void *));
443 typedef void (*libusb_transfer_cb_fn) (struct libusb_transfer *transfer);
445 typedef struct libusb_transfer {
446 libusb_device_handle *dev_handle;
451 enum libusb_transfer_status status;
454 libusb_transfer_cb_fn callback;
458 struct libusb_iso_packet_descriptor iso_packet_desc[0];
459 } libusb_transfer __aligned(sizeof(void *));
461 /* Library initialisation */
463 void libusb_set_debug(libusb_context * ctx, int level);
464 const struct libusb_version *libusb_get_version(void);
465 const char *libusb_strerror(int code);
466 const char *libusb_error_name(int code);
467 int libusb_init(libusb_context ** context);
468 void libusb_exit(struct libusb_context *ctx);
469 int libusb_has_capability(uint32_t capability);
471 /* Device handling and enumeration */
473 ssize_t libusb_get_device_list(libusb_context * ctx, libusb_device *** list);
474 void libusb_free_device_list(libusb_device ** list, int unref_devices);
475 uint8_t libusb_get_bus_number(libusb_device * dev);
476 uint8_t libusb_get_port_number(libusb_device * dev);
477 int libusb_get_port_numbers(libusb_device *dev, uint8_t *buf, uint8_t bufsize);
478 int libusb_get_port_path(libusb_context *ctx, libusb_device *dev, uint8_t *buf, uint8_t bufsize);
479 uint8_t libusb_get_device_address(libusb_device * dev);
480 enum libusb_speed libusb_get_device_speed(libusb_device * dev);
481 int libusb_clear_halt(libusb_device_handle *devh, uint8_t endpoint);
482 int libusb_get_max_packet_size(libusb_device * dev, uint8_t endpoint);
483 int libusb_get_max_iso_packet_size(libusb_device * dev, uint8_t endpoint);
484 libusb_device *libusb_ref_device(libusb_device * dev);
485 void libusb_unref_device(libusb_device * dev);
486 int libusb_open(libusb_device * dev, libusb_device_handle ** devh);
487 libusb_device_handle *libusb_open_device_with_vid_pid(libusb_context * ctx, uint16_t vendor_id, uint16_t product_id);
488 void libusb_close(libusb_device_handle * devh);
489 libusb_device *libusb_get_device(libusb_device_handle * devh);
490 int libusb_get_configuration(libusb_device_handle * devh, int *config);
491 int libusb_set_configuration(libusb_device_handle * devh, int configuration);
492 int libusb_claim_interface(libusb_device_handle * devh, int interface_number);
493 int libusb_release_interface(libusb_device_handle * devh, int interface_number);
494 int libusb_reset_device(libusb_device_handle * devh);
495 int libusb_check_connected(libusb_device_handle * devh);
496 int libusb_kernel_driver_active(libusb_device_handle * devh, int interface);
497 int libusb_get_driver_np(libusb_device_handle * devh, int interface, char *name, int namelen);
498 int libusb_get_driver(libusb_device_handle * devh, int interface, char *name, int namelen);
499 int libusb_detach_kernel_driver_np(libusb_device_handle * devh, int interface);
500 int libusb_detach_kernel_driver(libusb_device_handle * devh, int interface);
501 int libusb_attach_kernel_driver(libusb_device_handle * devh, int interface);
502 int libusb_set_auto_detach_kernel_driver(libusb_device_handle *dev, int enable);
503 int libusb_set_interface_alt_setting(libusb_device_handle * devh, int interface_number, int alternate_setting);
505 /* USB Descriptors */
507 int libusb_get_device_descriptor(libusb_device * dev, struct libusb_device_descriptor *desc);
508 int libusb_get_active_config_descriptor(libusb_device * dev, struct libusb_config_descriptor **config);
509 int libusb_get_config_descriptor(libusb_device * dev, uint8_t config_index, struct libusb_config_descriptor **config);
510 int libusb_get_config_descriptor_by_value(libusb_device * dev, uint8_t bConfigurationValue, struct libusb_config_descriptor **config);
511 void libusb_free_config_descriptor(struct libusb_config_descriptor *config);
512 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);
513 void libusb_free_ss_endpoint_companion_descriptor(struct libusb_ss_endpoint_companion_descriptor *ep_comp);
514 int libusb_get_string_descriptor(libusb_device_handle * devh, uint8_t desc_index, uint16_t langid, unsigned char *data, int length);
515 int libusb_get_string_descriptor_ascii(libusb_device_handle * devh, uint8_t desc_index, uint8_t *data, int length);
516 int libusb_get_descriptor(libusb_device_handle * devh, uint8_t desc_type, uint8_t desc_index, uint8_t *data, int length);
517 int libusb_parse_ss_endpoint_comp(const void *buf, int len, struct libusb_ss_endpoint_companion_descriptor **ep_comp);
518 void libusb_free_ss_endpoint_comp(struct libusb_ss_endpoint_companion_descriptor *ep_comp);
519 int libusb_parse_bos_descriptor(const void *buf, int len, struct libusb_bos_descriptor **bos);
520 void libusb_free_bos_descriptor(struct libusb_bos_descriptor *bos);
521 int libusb_get_bos_descriptor(libusb_device_handle *handle, struct libusb_bos_descriptor **bos);
522 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);
523 void libusb_free_usb_2_0_extension_descriptor(struct libusb_usb_2_0_extension_descriptor *usb_2_0_extension);
524 int libusb_get_ss_usb_device_capability_descriptor(struct libusb_context *ctx, struct libusb_bos_dev_capability_descriptor *dev_cap, struct libusb_ss_usb_device_capability_descriptor **ss_usb_device_capability);
525 void libusb_free_ss_usb_device_capability_descriptor(struct libusb_ss_usb_device_capability_descriptor *ss_usb_device_capability);
526 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);
527 void libusb_free_container_id_descriptor(struct libusb_container_id_descriptor *container_id);
529 /* Asynchronous device I/O */
531 struct libusb_transfer *libusb_alloc_transfer(int iso_packets);
532 void libusb_free_transfer(struct libusb_transfer *transfer);
533 int libusb_submit_transfer(struct libusb_transfer *transfer);
534 int libusb_cancel_transfer(struct libusb_transfer *transfer);
535 uint8_t *libusb_get_iso_packet_buffer(struct libusb_transfer *transfer, uint32_t index);
536 uint8_t *libusb_get_iso_packet_buffer_simple(struct libusb_transfer *transfer, uint32_t index);
537 void libusb_set_iso_packet_lengths(struct libusb_transfer *transfer, uint32_t length);
538 uint8_t *libusb_control_transfer_get_data(struct libusb_transfer *transfer);
539 struct libusb_control_setup *libusb_control_transfer_get_setup(struct libusb_transfer *transfer);
540 void libusb_fill_control_setup(uint8_t *buf, uint8_t bmRequestType, uint8_t bRequest, uint16_t wValue, uint16_t wIndex, uint16_t wLength);
541 void libusb_fill_control_transfer(struct libusb_transfer *transfer, libusb_device_handle *devh, uint8_t *buf, libusb_transfer_cb_fn callback, void *user_data, uint32_t timeout);
542 void libusb_fill_bulk_transfer(struct libusb_transfer *transfer, libusb_device_handle *devh, uint8_t endpoint, uint8_t *buf, int length, libusb_transfer_cb_fn callback, void *user_data, uint32_t timeout);
543 void libusb_fill_interrupt_transfer(struct libusb_transfer *transfer, libusb_device_handle *devh, uint8_t endpoint, uint8_t *buf, int length, libusb_transfer_cb_fn callback, void *user_data, uint32_t timeout);
544 void libusb_fill_iso_transfer(struct libusb_transfer *transfer, libusb_device_handle *devh, uint8_t endpoint, uint8_t *buf, int length, int npacket, libusb_transfer_cb_fn callback, void *user_data, uint32_t timeout);
546 /* Polling and timing */
548 int libusb_try_lock_events(libusb_context * ctx);
549 void libusb_lock_events(libusb_context * ctx);
550 void libusb_unlock_events(libusb_context * ctx);
551 int libusb_event_handling_ok(libusb_context * ctx);
552 int libusb_event_handler_active(libusb_context * ctx);
553 void libusb_lock_event_waiters(libusb_context * ctx);
554 void libusb_unlock_event_waiters(libusb_context * ctx);
555 int libusb_wait_for_event(libusb_context * ctx, struct timeval *tv);
556 int libusb_handle_events_timeout_completed(libusb_context * ctx, struct timeval *tv, int *completed);
557 int libusb_handle_events_completed(libusb_context * ctx, int *completed);
558 int libusb_handle_events_timeout(libusb_context * ctx, struct timeval *tv);
559 int libusb_handle_events(libusb_context * ctx);
560 int libusb_handle_events_locked(libusb_context * ctx, struct timeval *tv);
561 int libusb_get_next_timeout(libusb_context * ctx, struct timeval *tv);
562 void libusb_set_pollfd_notifiers(libusb_context * ctx, libusb_pollfd_added_cb added_cb, libusb_pollfd_removed_cb removed_cb, void *user_data);
563 const struct libusb_pollfd **libusb_get_pollfds(libusb_context * ctx);
565 /* Synchronous device I/O */
567 int libusb_control_transfer(libusb_device_handle * devh, uint8_t bmRequestType, uint8_t bRequest, uint16_t wValue, uint16_t wIndex, uint8_t *data, uint16_t wLength, uint32_t timeout);
568 int libusb_bulk_transfer(libusb_device_handle * devh, uint8_t endpoint, uint8_t *data, int length, int *transferred, uint32_t timeout);
569 int libusb_interrupt_transfer(libusb_device_handle * devh, uint8_t endpoint, uint8_t *data, int length, int *transferred, uint32_t timeout);
573 uint16_t libusb_cpu_to_le16(uint16_t x);
574 uint16_t libusb_le16_to_cpu(uint16_t x);
576 /* Hotplug support */
578 typedef int (*libusb_hotplug_callback_fn)(libusb_context *ctx,
579 libusb_device *device, libusb_hotplug_event event, void *user_data);
581 int libusb_hotplug_register_callback(libusb_context *ctx, libusb_hotplug_event events, libusb_hotplug_flag flags, int vendor_id, int product_id, int dev_class, libusb_hotplug_callback_fn cb_fn, void *user_data, libusb_hotplug_callback_handle *handle);
582 void libusb_hotplug_deregister_callback(libusb_context *ctx, libusb_hotplug_callback_handle handle);
584 /* Streams support */
586 int libusb_alloc_streams(libusb_device_handle *dev, uint32_t num_streams, unsigned char *endpoints, int num_endpoints);
587 int libusb_free_streams(libusb_device_handle *dev, unsigned char *endpoints, int num_endpoints);
588 void libusb_transfer_set_stream_id(struct libusb_transfer *transfer, uint32_t stream_id);
589 uint32_t libusb_transfer_get_stream_id(struct libusb_transfer *transfer);
599 #endif /* __LIBUSB_H__ */