2 * SPDX-License-Identifier: BSD-2-Clause
4 * Copyright (c) 2009 Sylvestre Gallon. All rights reserved.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 #ifndef LIBUSB_GLOBAL_INCLUDE_FILE
34 #include <sys/types.h>
37 #define LIBUSB_API_VERSION 0x01000102
51 enum libusb_class_code {
52 LIBUSB_CLASS_PER_INTERFACE = 0,
53 LIBUSB_CLASS_AUDIO = 1,
54 LIBUSB_CLASS_COMM = 2,
56 LIBUSB_CLASS_PHYSICAL = 5,
58 LIBUSB_CLASS_IMAGE = 6,
59 LIBUSB_CLASS_PRINTER = 7,
60 LIBUSB_CLASS_MASS_STORAGE = 8,
62 LIBUSB_CLASS_DATA = 10,
63 LIBUSB_CLASS_SMART_CARD = 11,
64 LIBUSB_CLASS_CONTENT_SECURITY = 13,
65 LIBUSB_CLASS_VIDEO = 14,
66 LIBUSB_CLASS_PERSONAL_HEALTHCARE = 15,
67 LIBUSB_CLASS_DIAGNOSTIC_DEVICE = 0xdc,
68 LIBUSB_CLASS_WIRELESS = 0xe0,
69 LIBUSB_CLASS_APPLICATION = 0xfe,
70 LIBUSB_CLASS_VENDOR_SPEC = 0xff,
73 enum libusb_descriptor_type {
74 LIBUSB_DT_DEVICE = 0x01,
75 LIBUSB_DT_CONFIG = 0x02,
76 LIBUSB_DT_STRING = 0x03,
77 LIBUSB_DT_INTERFACE = 0x04,
78 LIBUSB_DT_ENDPOINT = 0x05,
80 LIBUSB_DT_REPORT = 0x22,
81 LIBUSB_DT_PHYSICAL = 0x23,
84 LIBUSB_DT_DEVICE_CAPABILITY = 0x10,
85 LIBUSB_DT_SS_ENDPOINT_COMPANION = 0x30,
88 enum libusb_device_capability_type {
89 LIBUSB_WIRELESS_USB_DEVICE_CAPABILITY = 0x1,
90 LIBUSB_USB_2_0_EXTENSION_DEVICE_CAPABILITY = 0x2,
91 LIBUSB_SS_USB_DEVICE_CAPABILITY = 0x3,
92 LIBUSB_CONTAINER_ID_DEVICE_CAPABILITY = 0x4,
95 #define LIBUSB_DT_DEVICE_SIZE 18
96 #define LIBUSB_DT_CONFIG_SIZE 9
97 #define LIBUSB_DT_INTERFACE_SIZE 9
98 #define LIBUSB_DT_ENDPOINT_SIZE 7
99 #define LIBUSB_DT_ENDPOINT_AUDIO_SIZE 9
100 #define LIBUSB_DT_HUB_NONVAR_SIZE 7
101 #define LIBUSB_DT_SS_ENDPOINT_COMPANION_SIZE 6
102 #define LIBUSB_DT_BOS_SIZE 5
103 #define LIBUSB_USB_2_0_EXTENSION_DEVICE_CAPABILITY_SIZE 7
104 #define LIBUSB_SS_USB_DEVICE_CAPABILITY_SIZE 10
106 #define LIBUSB_BT_USB_2_0_EXTENSION_SIZE 7
107 #define LIBUSB_BT_SS_USB_DEVICE_CAPABILITY_SIZE 10
108 #define LIBUSB_BT_CONTAINER_ID_SIZE 20
110 #define LIBUSB_ENDPOINT_ADDRESS_MASK 0x0f
111 #define LIBUSB_ENDPOINT_DIR_MASK 0x80
113 enum libusb_endpoint_direction {
114 LIBUSB_ENDPOINT_IN = 0x80,
115 LIBUSB_ENDPOINT_OUT = 0x00,
118 #define LIBUSB_TRANSFER_TYPE_MASK 0x03
120 enum libusb_transfer_type {
121 LIBUSB_TRANSFER_TYPE_CONTROL = 0,
122 LIBUSB_TRANSFER_TYPE_ISOCHRONOUS = 1,
123 LIBUSB_TRANSFER_TYPE_BULK = 2,
124 LIBUSB_TRANSFER_TYPE_INTERRUPT = 3,
127 enum libusb_standard_request {
128 LIBUSB_REQUEST_GET_STATUS = 0x00,
129 LIBUSB_REQUEST_CLEAR_FEATURE = 0x01,
130 LIBUSB_REQUEST_SET_FEATURE = 0x03,
131 LIBUSB_REQUEST_SET_ADDRESS = 0x05,
132 LIBUSB_REQUEST_GET_DESCRIPTOR = 0x06,
133 LIBUSB_REQUEST_SET_DESCRIPTOR = 0x07,
134 LIBUSB_REQUEST_GET_CONFIGURATION = 0x08,
135 LIBUSB_REQUEST_SET_CONFIGURATION = 0x09,
136 LIBUSB_REQUEST_GET_INTERFACE = 0x0A,
137 LIBUSB_REQUEST_SET_INTERFACE = 0x0B,
138 LIBUSB_REQUEST_SYNCH_FRAME = 0x0C,
139 LIBUSB_REQUEST_SET_SEL = 0x30,
140 LIBUSB_REQUEST_SET_ISOCH_DELAY = 0x31,
143 enum libusb_request_type {
144 LIBUSB_REQUEST_TYPE_STANDARD = (0x00 << 5),
145 LIBUSB_REQUEST_TYPE_CLASS = (0x01 << 5),
146 LIBUSB_REQUEST_TYPE_VENDOR = (0x02 << 5),
147 LIBUSB_REQUEST_TYPE_RESERVED = (0x03 << 5),
150 enum libusb_request_recipient {
151 LIBUSB_RECIPIENT_DEVICE = 0x00,
152 LIBUSB_RECIPIENT_INTERFACE = 0x01,
153 LIBUSB_RECIPIENT_ENDPOINT = 0x02,
154 LIBUSB_RECIPIENT_OTHER = 0x03,
157 #define LIBUSB_ISO_SYNC_TYPE_MASK 0x0C
159 enum libusb_iso_sync_type {
160 LIBUSB_ISO_SYNC_TYPE_NONE = 0,
161 LIBUSB_ISO_SYNC_TYPE_ASYNC = 1,
162 LIBUSB_ISO_SYNC_TYPE_ADAPTIVE = 2,
163 LIBUSB_ISO_SYNC_TYPE_SYNC = 3,
166 #define LIBUSB_ISO_USAGE_TYPE_MASK 0x30
168 enum libusb_iso_usage_type {
169 LIBUSB_ISO_USAGE_TYPE_DATA = 0,
170 LIBUSB_ISO_USAGE_TYPE_FEEDBACK = 1,
171 LIBUSB_ISO_USAGE_TYPE_IMPLICIT = 2,
174 enum libusb_bos_type {
175 LIBUSB_BT_WIRELESS_USB_DEVICE_CAPABILITY = 1,
176 LIBUSB_BT_USB_2_0_EXTENSION = 2,
177 LIBUSB_BT_SS_USB_DEVICE_CAPABILITY = 3,
178 LIBUSB_BT_CONTAINER_ID = 4,
181 enum libusb_capability {
182 /* libusb supports libusb_has_capability(). */
183 LIBUSB_CAP_HAS_CAPABILITY = 0,
184 /* Hotplug support is available. */
185 LIBUSB_CAP_HAS_HOTPLUG,
186 /* Can access HID devices without requiring user intervention. */
187 LIBUSB_CAP_HAS_HID_ACCESS,
190 * Supports detaching of the default USB driver with
191 * libusb_detach_kernel_driver().
193 LIBUSB_CAP_SUPPORTS_DETACH_KERNEL_DRIVER,
198 LIBUSB_ERROR_IO = -1,
199 LIBUSB_ERROR_INVALID_PARAM = -2,
200 LIBUSB_ERROR_ACCESS = -3,
201 LIBUSB_ERROR_NO_DEVICE = -4,
202 LIBUSB_ERROR_NOT_FOUND = -5,
203 LIBUSB_ERROR_BUSY = -6,
204 LIBUSB_ERROR_TIMEOUT = -7,
205 LIBUSB_ERROR_OVERFLOW = -8,
206 LIBUSB_ERROR_PIPE = -9,
207 LIBUSB_ERROR_INTERRUPTED = -10,
208 LIBUSB_ERROR_NO_MEM = -11,
209 LIBUSB_ERROR_NOT_SUPPORTED = -12,
210 LIBUSB_ERROR_OTHER = -99,
214 LIBUSB_SPEED_UNKNOWN = 0,
215 LIBUSB_SPEED_LOW = 1,
216 LIBUSB_SPEED_FULL = 2,
217 LIBUSB_SPEED_HIGH = 3,
218 LIBUSB_SPEED_SUPER = 4,
221 enum libusb_transfer_status {
222 LIBUSB_TRANSFER_COMPLETED,
223 LIBUSB_TRANSFER_ERROR,
224 LIBUSB_TRANSFER_TIMED_OUT,
225 LIBUSB_TRANSFER_CANCELLED,
226 LIBUSB_TRANSFER_STALL,
227 LIBUSB_TRANSFER_NO_DEVICE,
228 LIBUSB_TRANSFER_OVERFLOW,
231 enum libusb_transfer_flags {
232 LIBUSB_TRANSFER_SHORT_NOT_OK = 1 << 0,
233 LIBUSB_TRANSFER_FREE_BUFFER = 1 << 1,
234 LIBUSB_TRANSFER_FREE_TRANSFER = 1 << 2,
237 enum libusb_log_level {
238 LIBUSB_LOG_LEVEL_NONE = 0,
239 LIBUSB_LOG_LEVEL_ERROR,
240 LIBUSB_LOG_LEVEL_WARNING,
241 LIBUSB_LOG_LEVEL_INFO,
242 LIBUSB_LOG_LEVEL_DEBUG
246 /* libusb_set_debug should take parameters from libusb_log_level
248 * http://libusb.sourceforge.net/api-1.0/group__lib.html
250 enum libusb_debug_level {
252 LIBUSB_DEBUG_FUNCTION=1,
253 LIBUSB_DEBUG_TRANSFER=2,
256 #define LIBUSB_HOTPLUG_MATCH_ANY -1
259 LIBUSB_HOTPLUG_NO_FLAGS = 0,
260 LIBUSB_HOTPLUG_ENUMERATE = 1 << 0,
261 } libusb_hotplug_flag;
264 LIBUSB_HOTPLUG_EVENT_DEVICE_ARRIVED = 1,
265 LIBUSB_HOTPLUG_EVENT_DEVICE_LEFT = 2,
266 } libusb_hotplug_event;
269 LIBUSB_OPTION_LOG_LEVEL = 0,
270 LIBUSB_OPTION_USE_USBDK = 1,
271 LIBUSB_OPTION_NO_DEVICE_DISCOVERY = 2,
272 LIBUSB_OPTION_WEAK_AUTHORITY = 2,
273 LIBUSB_OPTION_MAX = 3,
276 /* libusb structures */
278 struct libusb_context;
279 struct libusb_device;
280 struct libusb_transfer;
281 struct libusb_device_handle;
282 struct libusb_hotplug_callback_handle_struct;
284 struct libusb_pollfd {
289 struct libusb_version {
290 const uint16_t major;
291 const uint16_t minor;
292 const uint16_t micro;
295 const char *describe;
298 struct libusb_init_option {
299 enum libusb_option option;
305 typedef struct libusb_context libusb_context;
306 typedef struct libusb_device libusb_device;
307 typedef struct libusb_device_handle libusb_device_handle;
308 typedef struct libusb_pollfd libusb_pollfd;
309 typedef void (*libusb_pollfd_added_cb) (int fd, short events, void *user_data);
310 typedef void (*libusb_pollfd_removed_cb) (int fd, void *user_data);
311 typedef struct libusb_hotplug_callback_handle_struct *libusb_hotplug_callback_handle;
313 typedef struct libusb_device_descriptor {
315 uint8_t bDescriptorType;
317 uint8_t bDeviceClass;
318 uint8_t bDeviceSubClass;
319 uint8_t bDeviceProtocol;
320 uint8_t bMaxPacketSize0;
324 uint8_t iManufacturer;
326 uint8_t iSerialNumber;
327 uint8_t bNumConfigurations;
328 } libusb_device_descriptor;
330 typedef struct libusb_endpoint_descriptor {
332 uint8_t bDescriptorType;
333 uint8_t bEndpointAddress;
334 uint8_t bmAttributes;
335 uint16_t wMaxPacketSize;
338 uint8_t bSynchAddress;
341 } libusb_endpoint_descriptor __aligned(sizeof(void *));
343 typedef struct libusb_ss_endpoint_companion_descriptor {
345 uint8_t bDescriptorType;
347 uint8_t bmAttributes;
348 uint16_t wBytesPerInterval;
349 } libusb_ss_endpoint_companion_descriptor __aligned(sizeof(void *));
351 typedef struct libusb_interface_descriptor {
353 uint8_t bDescriptorType;
354 uint8_t bInterfaceNumber;
355 uint8_t bAlternateSetting;
356 uint8_t bNumEndpoints;
357 uint8_t bInterfaceClass;
358 uint8_t bInterfaceSubClass;
359 uint8_t bInterfaceProtocol;
361 struct libusb_endpoint_descriptor *endpoint;
364 } libusb_interface_descriptor __aligned(sizeof(void *));
366 typedef struct libusb_interface {
367 struct libusb_interface_descriptor *altsetting;
369 } libusb_interface __aligned(sizeof(void *));
371 typedef struct libusb_config_descriptor {
373 uint8_t bDescriptorType;
374 uint16_t wTotalLength;
375 uint8_t bNumInterfaces;
376 uint8_t bConfigurationValue;
377 uint8_t iConfiguration;
378 uint8_t bmAttributes;
380 struct libusb_interface *interface;
383 } libusb_config_descriptor __aligned(sizeof(void *));
385 typedef struct libusb_usb_2_0_device_capability_descriptor {
387 uint8_t bDescriptorType;
388 uint8_t bDevCapabilityType;
389 uint32_t bmAttributes;
390 #define LIBUSB_USB_2_0_CAPABILITY_LPM_SUPPORT (1 << 1)
391 } libusb_usb_2_0_device_capability_descriptor __aligned(sizeof(void *));
393 typedef struct libusb_ss_usb_device_capability_descriptor {
395 uint8_t bDescriptorType;
396 uint8_t bDevCapabilityType;
397 uint8_t bmAttributes;
398 #define LIBUSB_SS_USB_CAPABILITY_LPM_SUPPORT (1 << 1)
399 uint16_t wSpeedSupported;
400 #define LIBUSB_CAPABILITY_LOW_SPEED_OPERATION (1)
401 #define LIBUSB_CAPABILITY_FULL_SPEED_OPERATION (1 << 1)
402 #define LIBUSB_CAPABILITY_HIGH_SPEED_OPERATION (1 << 2)
403 #define LIBUSB_CAPABILITY_5GBPS_OPERATION (1 << 3)
404 uint8_t bFunctionalitySupport;
405 uint8_t bU1DevExitLat;
406 uint16_t wU2DevExitLat;
407 } libusb_ss_usb_device_capability_descriptor __aligned(sizeof(void *));
409 typedef struct libusb_bos_dev_capability_descriptor {
411 uint8_t bDescriptorType;
412 uint8_t bDevCapabilityType;
413 uint8_t dev_capability_data[0];
414 } libusb_bos_dev_capability_descriptor __aligned(sizeof(void *));
416 typedef struct libusb_bos_descriptor {
418 uint8_t bDescriptorType;
419 uint16_t wTotalLength;
420 uint8_t bNumDeviceCapabilities;
421 struct libusb_usb_2_0_device_capability_descriptor *usb_2_0_ext_cap;
422 struct libusb_ss_usb_device_capability_descriptor *ss_usb_cap;
423 struct libusb_bos_dev_capability_descriptor **dev_capability;
424 } libusb_bos_descriptor __aligned(sizeof(void *));
426 typedef struct libusb_usb_2_0_extension_descriptor {
428 uint8_t bDescriptorType;
429 uint8_t bDevCapabilityType;
430 uint32_t bmAttributes;
431 } libusb_usb_2_0_extension_descriptor __aligned(sizeof(void *));
433 typedef struct libusb_container_id_descriptor {
435 uint8_t bDescriptorType;
436 uint8_t bDevCapabilityType;
438 uint8_t ContainerID[16];
439 } libusb_container_id_descriptor __aligned(sizeof(void *));
441 typedef struct libusb_control_setup {
442 uint8_t bmRequestType;
447 } libusb_control_setup;
449 #define LIBUSB_CONTROL_SETUP_SIZE 8 /* bytes */
451 typedef struct libusb_iso_packet_descriptor {
453 uint32_t actual_length;
454 enum libusb_transfer_status status;
455 } libusb_iso_packet_descriptor __aligned(sizeof(void *));
457 typedef void (*libusb_transfer_cb_fn) (struct libusb_transfer *transfer);
459 typedef struct libusb_transfer {
460 libusb_device_handle *dev_handle;
465 enum libusb_transfer_status status;
468 libusb_transfer_cb_fn callback;
472 struct libusb_iso_packet_descriptor iso_packet_desc[0];
473 } libusb_transfer __aligned(sizeof(void *));
475 /* Library initialisation */
477 void libusb_set_debug(libusb_context * ctx, int level);
478 const struct libusb_version *libusb_get_version(void);
479 const char *libusb_strerror(int code);
480 const char *libusb_error_name(int code);
481 int libusb_init(libusb_context ** context);
482 int libusb_init_context(libusb_context **, const struct libusb_init_option [], int num_options);
483 void libusb_exit(struct libusb_context *ctx);
484 int libusb_has_capability(uint32_t capability);
486 /* Device handling and enumeration */
488 ssize_t libusb_get_device_list(libusb_context * ctx, libusb_device *** list);
489 void libusb_free_device_list(libusb_device ** list, int unref_devices);
490 uint8_t libusb_get_bus_number(libusb_device * dev);
491 uint8_t libusb_get_port_number(libusb_device * dev);
492 int libusb_get_port_numbers(libusb_device *dev, uint8_t *buf, uint8_t bufsize);
493 int libusb_get_port_path(libusb_context *ctx, libusb_device *dev, uint8_t *buf, uint8_t bufsize);
494 uint8_t libusb_get_device_address(libusb_device * dev);
495 enum libusb_speed libusb_get_device_speed(libusb_device * dev);
496 int libusb_clear_halt(libusb_device_handle *devh, uint8_t endpoint);
497 int libusb_get_max_packet_size(libusb_device * dev, uint8_t endpoint);
498 int libusb_get_max_iso_packet_size(libusb_device * dev, uint8_t endpoint);
499 libusb_device *libusb_ref_device(libusb_device * dev);
500 void libusb_unref_device(libusb_device * dev);
501 int libusb_open(libusb_device * dev, libusb_device_handle ** devh);
502 libusb_device_handle *libusb_open_device_with_vid_pid(libusb_context * ctx, uint16_t vendor_id, uint16_t product_id);
503 void libusb_close(libusb_device_handle * devh);
504 libusb_device *libusb_get_device(libusb_device_handle * devh);
505 int libusb_get_configuration(libusb_device_handle * devh, int *config);
506 int libusb_set_configuration(libusb_device_handle * devh, int configuration);
507 int libusb_claim_interface(libusb_device_handle * devh, int interface_number);
508 int libusb_release_interface(libusb_device_handle * devh, int interface_number);
509 int libusb_reset_device(libusb_device_handle * devh);
510 int libusb_check_connected(libusb_device_handle * devh);
511 int libusb_kernel_driver_active(libusb_device_handle * devh, int interface);
512 int libusb_get_driver_np(libusb_device_handle * devh, int interface, char *name, int namelen);
513 int libusb_get_driver(libusb_device_handle * devh, int interface, char *name, int namelen);
514 int libusb_detach_kernel_driver_np(libusb_device_handle * devh, int interface);
515 int libusb_detach_kernel_driver(libusb_device_handle * devh, int interface);
516 int libusb_attach_kernel_driver(libusb_device_handle * devh, int interface);
517 int libusb_set_auto_detach_kernel_driver(libusb_device_handle *dev, int enable);
518 int libusb_set_interface_alt_setting(libusb_device_handle * devh, int interface_number, int alternate_setting);
520 /* USB Descriptors */
522 int libusb_get_device_descriptor(libusb_device * dev, struct libusb_device_descriptor *desc);
523 int libusb_get_active_config_descriptor(libusb_device * dev, struct libusb_config_descriptor **config);
524 int libusb_get_config_descriptor(libusb_device * dev, uint8_t config_index, struct libusb_config_descriptor **config);
525 int libusb_get_config_descriptor_by_value(libusb_device * dev, uint8_t bConfigurationValue, struct libusb_config_descriptor **config);
526 void libusb_free_config_descriptor(struct libusb_config_descriptor *config);
527 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);
528 void libusb_free_ss_endpoint_companion_descriptor(struct libusb_ss_endpoint_companion_descriptor *ep_comp);
529 int libusb_get_string_descriptor(libusb_device_handle * devh, uint8_t desc_index, uint16_t langid, unsigned char *data, int length);
530 int libusb_get_string_descriptor_ascii(libusb_device_handle * devh, uint8_t desc_index, uint8_t *data, int length);
531 int libusb_get_descriptor(libusb_device_handle * devh, uint8_t desc_type, uint8_t desc_index, uint8_t *data, int length);
532 int libusb_parse_ss_endpoint_comp(const void *buf, int len, struct libusb_ss_endpoint_companion_descriptor **ep_comp);
533 void libusb_free_ss_endpoint_comp(struct libusb_ss_endpoint_companion_descriptor *ep_comp);
534 int libusb_parse_bos_descriptor(const void *buf, int len, struct libusb_bos_descriptor **bos);
535 void libusb_free_bos_descriptor(struct libusb_bos_descriptor *bos);
536 int libusb_get_bos_descriptor(libusb_device_handle *handle, struct libusb_bos_descriptor **bos);
537 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);
538 void libusb_free_usb_2_0_extension_descriptor(struct libusb_usb_2_0_extension_descriptor *usb_2_0_extension);
539 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);
540 void libusb_free_ss_usb_device_capability_descriptor(struct libusb_ss_usb_device_capability_descriptor *ss_usb_device_capability);
541 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);
542 void libusb_free_container_id_descriptor(struct libusb_container_id_descriptor *container_id);
544 /* Asynchronous device I/O */
546 struct libusb_transfer *libusb_alloc_transfer(int iso_packets);
547 void libusb_free_transfer(struct libusb_transfer *transfer);
548 int libusb_submit_transfer(struct libusb_transfer *transfer);
549 int libusb_cancel_transfer(struct libusb_transfer *transfer);
550 uint8_t *libusb_get_iso_packet_buffer(struct libusb_transfer *transfer, uint32_t index);
551 uint8_t *libusb_get_iso_packet_buffer_simple(struct libusb_transfer *transfer, uint32_t index);
552 void libusb_set_iso_packet_lengths(struct libusb_transfer *transfer, uint32_t length);
553 uint8_t *libusb_control_transfer_get_data(struct libusb_transfer *transfer);
554 struct libusb_control_setup *libusb_control_transfer_get_setup(struct libusb_transfer *transfer);
555 void libusb_fill_control_setup(uint8_t *buf, uint8_t bmRequestType, uint8_t bRequest, uint16_t wValue, uint16_t wIndex, uint16_t wLength);
556 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);
557 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);
558 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);
559 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);
561 /* Polling and timing */
563 int libusb_try_lock_events(libusb_context * ctx);
564 void libusb_lock_events(libusb_context * ctx);
565 void libusb_unlock_events(libusb_context * ctx);
566 int libusb_event_handling_ok(libusb_context * ctx);
567 int libusb_event_handler_active(libusb_context * ctx);
568 void libusb_interrupt_event_handler(libusb_context *ctx);
569 void libusb_lock_event_waiters(libusb_context * ctx);
570 void libusb_unlock_event_waiters(libusb_context * ctx);
571 int libusb_wait_for_event(libusb_context * ctx, struct timeval *tv);
572 int libusb_handle_events_timeout_completed(libusb_context * ctx, struct timeval *tv, int *completed);
573 int libusb_handle_events_completed(libusb_context * ctx, int *completed);
574 int libusb_handle_events_timeout(libusb_context * ctx, struct timeval *tv);
575 int libusb_handle_events(libusb_context * ctx);
576 int libusb_handle_events_locked(libusb_context * ctx, struct timeval *tv);
577 int libusb_get_next_timeout(libusb_context * ctx, struct timeval *tv);
578 void libusb_set_pollfd_notifiers(libusb_context * ctx, libusb_pollfd_added_cb added_cb, libusb_pollfd_removed_cb removed_cb, void *user_data);
579 const struct libusb_pollfd **libusb_get_pollfds(libusb_context * ctx);
581 /* Synchronous device I/O */
583 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);
584 int libusb_bulk_transfer(libusb_device_handle * devh, uint8_t endpoint, uint8_t *data, int length, int *transferred, uint32_t timeout);
585 int libusb_interrupt_transfer(libusb_device_handle * devh, uint8_t endpoint, uint8_t *data, int length, int *transferred, uint32_t timeout);
589 uint16_t libusb_cpu_to_le16(uint16_t x);
590 uint16_t libusb_le16_to_cpu(uint16_t x);
592 /* Hotplug support */
594 typedef int (*libusb_hotplug_callback_fn)(libusb_context *ctx,
595 libusb_device *device, libusb_hotplug_event event, void *user_data);
597 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);
598 void libusb_hotplug_deregister_callback(libusb_context *ctx, libusb_hotplug_callback_handle handle);
600 /* Streams support */
602 int libusb_alloc_streams(libusb_device_handle *dev, uint32_t num_streams, unsigned char *endpoints, int num_endpoints);
603 int libusb_free_streams(libusb_device_handle *dev, unsigned char *endpoints, int num_endpoints);
604 void libusb_transfer_set_stream_id(struct libusb_transfer *transfer, uint32_t stream_id);
605 uint32_t libusb_transfer_get_stream_id(struct libusb_transfer *transfer);
615 #endif /* __LIBUSB_H__ */