3 * Copyright (c) 2009 Sylvestre Gallon. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 #include <sys/types.h>
33 #define LIBUSB_API_VERSION 0x01000102
47 enum libusb_class_code {
48 LIBUSB_CLASS_PER_INTERFACE = 0,
49 LIBUSB_CLASS_AUDIO = 1,
50 LIBUSB_CLASS_COMM = 2,
53 LIBUSB_CLASS_IMAGE = 6,
54 LIBUSB_CLASS_PRINTER = 7,
55 LIBUSB_CLASS_MASS_STORAGE = 8,
57 LIBUSB_CLASS_DATA = 10,
58 LIBUSB_CLASS_SMART_CARD = 11,
59 LIBUSB_CLASS_CONTENT_SECURITY = 13,
60 LIBUSB_CLASS_VIDEO = 14,
61 LIBUSB_CLASS_PERSONAL_HEALTHCARE = 15,
62 LIBUSB_CLASS_DIAGNOSTIC_DEVICE = 0xdc,
63 LIBUSB_CLASS_WIRELESS = 0xe0,
64 LIBUSB_CLASS_APPLICATION = 0xfe,
65 LIBUSB_CLASS_VENDOR_SPEC = 0xff,
68 enum libusb_descriptor_type {
69 LIBUSB_DT_DEVICE = 0x01,
70 LIBUSB_DT_CONFIG = 0x02,
71 LIBUSB_DT_STRING = 0x03,
72 LIBUSB_DT_INTERFACE = 0x04,
73 LIBUSB_DT_ENDPOINT = 0x05,
75 LIBUSB_DT_REPORT = 0x22,
76 LIBUSB_DT_PHYSICAL = 0x23,
79 LIBUSB_DT_DEVICE_CAPABILITY = 0x10,
80 LIBUSB_DT_SS_ENDPOINT_COMPANION = 0x30,
83 enum libusb_device_capability_type {
84 LIBUSB_WIRELESS_USB_DEVICE_CAPABILITY = 0x1,
85 LIBUSB_USB_2_0_EXTENSION_DEVICE_CAPABILITY = 0x2,
86 LIBUSB_SS_USB_DEVICE_CAPABILITY = 0x3,
87 LIBUSB_CONTAINER_ID_DEVICE_CAPABILITY = 0x4,
90 #define LIBUSB_DT_DEVICE_SIZE 18
91 #define LIBUSB_DT_CONFIG_SIZE 9
92 #define LIBUSB_DT_INTERFACE_SIZE 9
93 #define LIBUSB_DT_ENDPOINT_SIZE 7
94 #define LIBUSB_DT_ENDPOINT_AUDIO_SIZE 9
95 #define LIBUSB_DT_HUB_NONVAR_SIZE 7
96 #define LIBUSB_DT_SS_ENDPOINT_COMPANION_SIZE 6
97 #define LIBUSB_DT_BOS_SIZE 5
98 #define LIBUSB_USB_2_0_EXTENSION_DEVICE_CAPABILITY_SIZE 7
99 #define LIBUSB_SS_USB_DEVICE_CAPABILITY_SIZE 10
101 #define LIBUSB_BT_USB_2_0_EXTENSION_SIZE 7
102 #define LIBUSB_BT_SS_USB_DEVICE_CAPABILITY_SIZE 10
103 #define LIBUSB_BT_CONTAINER_ID_SIZE 20
105 #define LIBUSB_ENDPOINT_ADDRESS_MASK 0x0f
106 #define LIBUSB_ENDPOINT_DIR_MASK 0x80
108 enum libusb_endpoint_direction {
109 LIBUSB_ENDPOINT_IN = 0x80,
110 LIBUSB_ENDPOINT_OUT = 0x00,
113 #define LIBUSB_TRANSFER_TYPE_MASK 0x03
115 enum libusb_transfer_type {
116 LIBUSB_TRANSFER_TYPE_CONTROL = 0,
117 LIBUSB_TRANSFER_TYPE_ISOCHRONOUS = 1,
118 LIBUSB_TRANSFER_TYPE_BULK = 2,
119 LIBUSB_TRANSFER_TYPE_INTERRUPT = 3,
122 enum libusb_standard_request {
123 LIBUSB_REQUEST_GET_STATUS = 0x00,
124 LIBUSB_REQUEST_CLEAR_FEATURE = 0x01,
125 LIBUSB_REQUEST_SET_FEATURE = 0x03,
126 LIBUSB_REQUEST_SET_ADDRESS = 0x05,
127 LIBUSB_REQUEST_GET_DESCRIPTOR = 0x06,
128 LIBUSB_REQUEST_SET_DESCRIPTOR = 0x07,
129 LIBUSB_REQUEST_GET_CONFIGURATION = 0x08,
130 LIBUSB_REQUEST_SET_CONFIGURATION = 0x09,
131 LIBUSB_REQUEST_GET_INTERFACE = 0x0A,
132 LIBUSB_REQUEST_SET_INTERFACE = 0x0B,
133 LIBUSB_REQUEST_SYNCH_FRAME = 0x0C,
134 LIBUSB_REQUEST_SET_SEL = 0x30,
135 LIBUSB_REQUEST_SET_ISOCH_DELAY = 0x31,
138 enum libusb_request_type {
139 LIBUSB_REQUEST_TYPE_STANDARD = (0x00 << 5),
140 LIBUSB_REQUEST_TYPE_CLASS = (0x01 << 5),
141 LIBUSB_REQUEST_TYPE_VENDOR = (0x02 << 5),
142 LIBUSB_REQUEST_TYPE_RESERVED = (0x03 << 5),
145 enum libusb_request_recipient {
146 LIBUSB_RECIPIENT_DEVICE = 0x00,
147 LIBUSB_RECIPIENT_INTERFACE = 0x01,
148 LIBUSB_RECIPIENT_ENDPOINT = 0x02,
149 LIBUSB_RECIPIENT_OTHER = 0x03,
152 #define LIBUSB_ISO_SYNC_TYPE_MASK 0x0C
154 enum libusb_iso_sync_type {
155 LIBUSB_ISO_SYNC_TYPE_NONE = 0,
156 LIBUSB_ISO_SYNC_TYPE_ASYNC = 1,
157 LIBUSB_ISO_SYNC_TYPE_ADAPTIVE = 2,
158 LIBUSB_ISO_SYNC_TYPE_SYNC = 3,
161 #define LIBUSB_ISO_USAGE_TYPE_MASK 0x30
163 enum libusb_iso_usage_type {
164 LIBUSB_ISO_USAGE_TYPE_DATA = 0,
165 LIBUSB_ISO_USAGE_TYPE_FEEDBACK = 1,
166 LIBUSB_ISO_USAGE_TYPE_IMPLICIT = 2,
169 enum libusb_bos_type {
170 LIBUSB_BT_WIRELESS_USB_DEVICE_CAPABILITY = 1,
171 LIBUSB_BT_USB_2_0_EXTENSION = 2,
172 LIBUSB_BT_SS_USB_DEVICE_CAPABILITY = 3,
173 LIBUSB_BT_CONTAINER_ID = 4,
178 LIBUSB_ERROR_IO = -1,
179 LIBUSB_ERROR_INVALID_PARAM = -2,
180 LIBUSB_ERROR_ACCESS = -3,
181 LIBUSB_ERROR_NO_DEVICE = -4,
182 LIBUSB_ERROR_NOT_FOUND = -5,
183 LIBUSB_ERROR_BUSY = -6,
184 LIBUSB_ERROR_TIMEOUT = -7,
185 LIBUSB_ERROR_OVERFLOW = -8,
186 LIBUSB_ERROR_PIPE = -9,
187 LIBUSB_ERROR_INTERRUPTED = -10,
188 LIBUSB_ERROR_NO_MEM = -11,
189 LIBUSB_ERROR_NOT_SUPPORTED = -12,
190 LIBUSB_ERROR_OTHER = -99,
194 LIBUSB_SPEED_UNKNOWN = 0,
195 LIBUSB_SPEED_LOW = 1,
196 LIBUSB_SPEED_FULL = 2,
197 LIBUSB_SPEED_HIGH = 3,
198 LIBUSB_SPEED_SUPER = 4,
201 enum libusb_transfer_status {
202 LIBUSB_TRANSFER_COMPLETED,
203 LIBUSB_TRANSFER_ERROR,
204 LIBUSB_TRANSFER_TIMED_OUT,
205 LIBUSB_TRANSFER_CANCELLED,
206 LIBUSB_TRANSFER_STALL,
207 LIBUSB_TRANSFER_NO_DEVICE,
208 LIBUSB_TRANSFER_OVERFLOW,
211 enum libusb_transfer_flags {
212 LIBUSB_TRANSFER_SHORT_NOT_OK = 1 << 0,
213 LIBUSB_TRANSFER_FREE_BUFFER = 1 << 1,
214 LIBUSB_TRANSFER_FREE_TRANSFER = 1 << 2,
217 enum libusb_debug_level {
219 LIBUSB_DEBUG_FUNCTION=1,
220 LIBUSB_DEBUG_TRANSFER=2,
223 #define LIBUSB_HOTPLUG_MATCH_ANY -1
226 LIBUSB_HOTPLUG_NO_FLAGS = 0,
227 LIBUSB_HOTPLUG_ENUMERATE = 1 << 0,
228 } libusb_hotplug_flag;
231 LIBUSB_HOTPLUG_EVENT_DEVICE_ARRIVED = 1,
232 LIBUSB_HOTPLUG_EVENT_DEVICE_LEFT = 2,
233 } libusb_hotplug_event;
235 /* libusb structures */
237 struct libusb_context;
238 struct libusb_device;
239 struct libusb_transfer;
240 struct libusb_device_handle;
241 struct libusb_hotplug_callback_handle_struct;
243 struct libusb_pollfd {
248 struct libusb_version {
249 const uint16_t major;
250 const uint16_t minor;
251 const uint16_t micro;
254 const char *describe;
257 typedef struct libusb_context libusb_context;
258 typedef struct libusb_device libusb_device;
259 typedef struct libusb_device_handle libusb_device_handle;
260 typedef struct libusb_pollfd libusb_pollfd;
261 typedef void (*libusb_pollfd_added_cb) (int fd, short events, void *user_data);
262 typedef void (*libusb_pollfd_removed_cb) (int fd, void *user_data);
263 typedef struct libusb_hotplug_callback_handle_struct *libusb_hotplug_callback_handle;
265 typedef struct libusb_device_descriptor {
267 uint8_t bDescriptorType;
269 uint8_t bDeviceClass;
270 uint8_t bDeviceSubClass;
271 uint8_t bDeviceProtocol;
272 uint8_t bMaxPacketSize0;
276 uint8_t iManufacturer;
278 uint8_t iSerialNumber;
279 uint8_t bNumConfigurations;
280 } libusb_device_descriptor;
282 typedef struct libusb_endpoint_descriptor {
284 uint8_t bDescriptorType;
285 uint8_t bEndpointAddress;
286 uint8_t bmAttributes;
287 uint16_t wMaxPacketSize;
290 uint8_t bSynchAddress;
293 } libusb_endpoint_descriptor __aligned(sizeof(void *));
295 typedef struct libusb_ss_endpoint_companion_descriptor {
297 uint8_t bDescriptorType;
299 uint8_t bmAttributes;
300 uint16_t wBytesPerInterval;
301 } libusb_ss_endpoint_companion_descriptor __aligned(sizeof(void *));
303 typedef struct libusb_interface_descriptor {
305 uint8_t bDescriptorType;
306 uint8_t bInterfaceNumber;
307 uint8_t bAlternateSetting;
308 uint8_t bNumEndpoints;
309 uint8_t bInterfaceClass;
310 uint8_t bInterfaceSubClass;
311 uint8_t bInterfaceProtocol;
313 struct libusb_endpoint_descriptor *endpoint;
316 } libusb_interface_descriptor __aligned(sizeof(void *));
318 typedef struct libusb_interface {
319 struct libusb_interface_descriptor *altsetting;
321 } libusb_interface __aligned(sizeof(void *));
323 typedef struct libusb_config_descriptor {
325 uint8_t bDescriptorType;
326 uint16_t wTotalLength;
327 uint8_t bNumInterfaces;
328 uint8_t bConfigurationValue;
329 uint8_t iConfiguration;
330 uint8_t bmAttributes;
332 struct libusb_interface *interface;
335 } libusb_config_descriptor __aligned(sizeof(void *));
337 typedef struct libusb_usb_2_0_device_capability_descriptor {
339 uint8_t bDescriptorType;
340 uint8_t bDevCapabilityType;
341 uint32_t bmAttributes;
342 #define LIBUSB_USB_2_0_CAPABILITY_LPM_SUPPORT (1 << 1)
343 } libusb_usb_2_0_device_capability_descriptor __aligned(sizeof(void *));
345 typedef struct libusb_ss_usb_device_capability_descriptor {
347 uint8_t bDescriptorType;
348 uint8_t bDevCapabilityType;
349 uint8_t bmAttributes;
350 #define LIBUSB_SS_USB_CAPABILITY_LPM_SUPPORT (1 << 1)
351 uint16_t wSpeedSupported;
352 #define LIBUSB_CAPABILITY_LOW_SPEED_OPERATION (1)
353 #define LIBUSB_CAPABILITY_FULL_SPEED_OPERATION (1 << 1)
354 #define LIBUSB_CAPABILITY_HIGH_SPEED_OPERATION (1 << 2)
355 #define LIBUSB_CAPABILITY_5GBPS_OPERATION (1 << 3)
356 uint8_t bFunctionalitySupport;
357 uint8_t bU1DevExitLat;
358 uint16_t wU2DevExitLat;
359 } libusb_ss_usb_device_capability_descriptor __aligned(sizeof(void *));
361 typedef struct libusb_bos_dev_capability_descriptor {
363 uint8_t bDescriptorType;
364 uint8_t bDevCapabilityType;
365 uint8_t dev_capability_data[0];
366 } libusb_bos_dev_capability_descriptor __aligned(sizeof(void *));
368 typedef struct libusb_bos_descriptor {
370 uint8_t bDescriptorType;
371 uint16_t wTotalLength;
372 uint8_t bNumDeviceCapabilities;
373 struct libusb_usb_2_0_device_capability_descriptor *usb_2_0_ext_cap;
374 struct libusb_ss_usb_device_capability_descriptor *ss_usb_cap;
375 } libusb_bos_descriptor __aligned(sizeof(void *));
377 typedef struct libusb_usb_2_0_extension_descriptor {
379 uint8_t bDescriptorType;
380 uint8_t bDevCapabilityType;
381 uint32_t bmAttributes;
382 } libusb_usb_2_0_extension_descriptor __aligned(sizeof(void *));
384 typedef struct libusb_container_id_descriptor {
386 uint8_t bDescriptorType;
387 uint8_t bDevCapabilityType;
389 uint8_t ContainerID[16];
390 } libusb_container_id_descriptor __aligned(sizeof(void *));
392 typedef struct libusb_control_setup {
393 uint8_t bmRequestType;
398 } libusb_control_setup;
400 #define LIBUSB_CONTROL_SETUP_SIZE 8 /* bytes */
402 typedef struct libusb_iso_packet_descriptor {
404 uint32_t actual_length;
405 enum libusb_transfer_status status;
406 } libusb_iso_packet_descriptor __aligned(sizeof(void *));
408 typedef void (*libusb_transfer_cb_fn) (struct libusb_transfer *transfer);
410 typedef struct libusb_transfer {
411 libusb_device_handle *dev_handle;
416 enum libusb_transfer_status status;
419 libusb_transfer_cb_fn callback;
424 struct libusb_iso_packet_descriptor iso_packet_desc[0];
425 } libusb_transfer __aligned(sizeof(void *));
427 /* Library initialisation */
429 void libusb_set_debug(libusb_context * ctx, int level);
430 const struct libusb_version *libusb_get_version(void);
431 const char *libusb_strerror(int code);
432 const char *libusb_error_name(int code);
433 int libusb_init(libusb_context ** context);
434 void libusb_exit(struct libusb_context *ctx);
436 /* Device handling and enumeration */
438 ssize_t libusb_get_device_list(libusb_context * ctx, libusb_device *** list);
439 void libusb_free_device_list(libusb_device ** list, int unref_devices);
440 uint8_t libusb_get_bus_number(libusb_device * dev);
441 uint8_t libusb_get_port_number(libusb_device * dev);
442 int libusb_get_port_numbers(libusb_device *dev, uint8_t *buf, uint8_t bufsize);
443 int libusb_get_port_path(libusb_context *ctx, libusb_device *dev, uint8_t *buf, uint8_t bufsize);
444 uint8_t libusb_get_device_address(libusb_device * dev);
445 enum libusb_speed libusb_get_device_speed(libusb_device * dev);
446 int libusb_clear_halt(libusb_device_handle *devh, uint8_t endpoint);
447 int libusb_get_max_packet_size(libusb_device * dev, uint8_t endpoint);
448 int libusb_get_max_iso_packet_size(libusb_device * dev, uint8_t endpoint);
449 libusb_device *libusb_ref_device(libusb_device * dev);
450 void libusb_unref_device(libusb_device * dev);
451 int libusb_open(libusb_device * dev, libusb_device_handle ** devh);
452 libusb_device_handle *libusb_open_device_with_vid_pid(libusb_context * ctx, uint16_t vendor_id, uint16_t product_id);
453 void libusb_close(libusb_device_handle * devh);
454 libusb_device *libusb_get_device(libusb_device_handle * devh);
455 int libusb_get_configuration(libusb_device_handle * devh, int *config);
456 int libusb_set_configuration(libusb_device_handle * devh, int configuration);
457 int libusb_claim_interface(libusb_device_handle * devh, int interface_number);
458 int libusb_release_interface(libusb_device_handle * devh, int interface_number);
459 int libusb_reset_device(libusb_device_handle * devh);
460 int libusb_check_connected(libusb_device_handle * devh);
461 int libusb_kernel_driver_active(libusb_device_handle * devh, int interface);
462 int libusb_get_driver_np(libusb_device_handle * devh, int interface, char *name, int namelen);
463 int libusb_get_driver(libusb_device_handle * devh, int interface, char *name, int namelen);
464 int libusb_detach_kernel_driver_np(libusb_device_handle * devh, int interface);
465 int libusb_detach_kernel_driver(libusb_device_handle * devh, int interface);
466 int libusb_attach_kernel_driver(libusb_device_handle * devh, int interface);
467 int libusb_set_auto_detach_kernel_driver(libusb_device_handle *dev, int enable);
468 int libusb_set_interface_alt_setting(libusb_device_handle * devh, int interface_number, int alternate_setting);
470 /* USB Descriptors */
472 int libusb_get_device_descriptor(libusb_device * dev, struct libusb_device_descriptor *desc);
473 int libusb_get_active_config_descriptor(libusb_device * dev, struct libusb_config_descriptor **config);
474 int libusb_get_config_descriptor(libusb_device * dev, uint8_t config_index, struct libusb_config_descriptor **config);
475 int libusb_get_config_descriptor_by_value(libusb_device * dev, uint8_t bConfigurationValue, struct libusb_config_descriptor **config);
476 void libusb_free_config_descriptor(struct libusb_config_descriptor *config);
477 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);
478 void libusb_free_ss_endpoint_companion_descriptor(struct libusb_ss_endpoint_companion_descriptor *ep_comp);
479 int libusb_get_string_descriptor(libusb_device_handle * devh, uint8_t desc_index, uint16_t langid, unsigned char *data, int length);
480 int libusb_get_string_descriptor_ascii(libusb_device_handle * devh, uint8_t desc_index, uint8_t *data, int length);
481 int libusb_get_descriptor(libusb_device_handle * devh, uint8_t desc_type, uint8_t desc_index, uint8_t *data, int length);
482 int libusb_parse_ss_endpoint_comp(const void *buf, int len, struct libusb_ss_endpoint_companion_descriptor **ep_comp);
483 void libusb_free_ss_endpoint_comp(struct libusb_ss_endpoint_companion_descriptor *ep_comp);
484 int libusb_parse_bos_descriptor(const void *buf, int len, struct libusb_bos_descriptor **bos);
485 void libusb_free_bos_descriptor(struct libusb_bos_descriptor *bos);
486 int libusb_get_bos_descriptor(libusb_device_handle *handle, struct libusb_bos_descriptor **bos);
487 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);
488 void libusb_free_usb_2_0_extension_descriptor(struct libusb_usb_2_0_extension_descriptor *usb_2_0_extension);
489 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);
490 void libusb_free_ss_usb_device_capability_descriptor(struct libusb_ss_usb_device_capability_descriptor *ss_usb_device_capability);
491 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);
492 void libusb_free_container_id_descriptor(struct libusb_container_id_descriptor *container_id);
494 /* Asynchronous device I/O */
496 struct libusb_transfer *libusb_alloc_transfer(int iso_packets);
497 void libusb_free_transfer(struct libusb_transfer *transfer);
498 int libusb_submit_transfer(struct libusb_transfer *transfer);
499 int libusb_cancel_transfer(struct libusb_transfer *transfer);
500 uint8_t *libusb_get_iso_packet_buffer(struct libusb_transfer *transfer, uint32_t index);
501 uint8_t *libusb_get_iso_packet_buffer_simple(struct libusb_transfer *transfer, uint32_t index);
502 void libusb_set_iso_packet_lengths(struct libusb_transfer *transfer, uint32_t length);
503 uint8_t *libusb_control_transfer_get_data(struct libusb_transfer *transfer);
504 struct libusb_control_setup *libusb_control_transfer_get_setup(struct libusb_transfer *transfer);
505 void libusb_fill_control_setup(uint8_t *buf, uint8_t bmRequestType, uint8_t bRequest, uint16_t wValue, uint16_t wIndex, uint16_t wLength);
506 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);
507 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);
508 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);
509 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);
511 /* Polling and timing */
513 int libusb_try_lock_events(libusb_context * ctx);
514 void libusb_lock_events(libusb_context * ctx);
515 void libusb_unlock_events(libusb_context * ctx);
516 int libusb_event_handling_ok(libusb_context * ctx);
517 int libusb_event_handler_active(libusb_context * ctx);
518 void libusb_lock_event_waiters(libusb_context * ctx);
519 void libusb_unlock_event_waiters(libusb_context * ctx);
520 int libusb_wait_for_event(libusb_context * ctx, struct timeval *tv);
521 int libusb_handle_events_timeout_completed(libusb_context * ctx, struct timeval *tv, int *completed);
522 int libusb_handle_events_completed(libusb_context * ctx, int *completed);
523 int libusb_handle_events_timeout(libusb_context * ctx, struct timeval *tv);
524 int libusb_handle_events(libusb_context * ctx);
525 int libusb_handle_events_locked(libusb_context * ctx, struct timeval *tv);
526 int libusb_get_next_timeout(libusb_context * ctx, struct timeval *tv);
527 void libusb_set_pollfd_notifiers(libusb_context * ctx, libusb_pollfd_added_cb added_cb, libusb_pollfd_removed_cb removed_cb, void *user_data);
528 const struct libusb_pollfd **libusb_get_pollfds(libusb_context * ctx);
530 /* Synchronous device I/O */
532 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);
533 int libusb_bulk_transfer(libusb_device_handle * devh, uint8_t endpoint, uint8_t *data, int length, int *transferred, uint32_t timeout);
534 int libusb_interrupt_transfer(libusb_device_handle * devh, uint8_t endpoint, uint8_t *data, int length, int *transferred, uint32_t timeout);
538 uint16_t libusb_cpu_to_le16(uint16_t x);
539 uint16_t libusb_le16_to_cpu(uint16_t x);
541 /* Hotplug support */
543 typedef int (*libusb_hotplug_callback_fn)(libusb_context *ctx,
544 libusb_device *device, libusb_hotplug_event event, void *user_data);
546 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);
547 void libusb_hotplug_deregister_callback(libusb_context *ctx, libusb_hotplug_callback_handle handle);
549 /* Streams support */
551 int libusb_alloc_streams(libusb_device_handle *dev, uint32_t num_streams, unsigned char *endpoints, int num_endpoints);
552 int libusb_free_streams(libusb_device_handle *dev, unsigned char *endpoints, int num_endpoints);
553 void libusb_transfer_set_stream_id(struct libusb_transfer *transfer, uint32_t stream_id);
554 uint32_t libusb_transfer_get_stream_id(struct libusb_transfer *transfer);
564 #endif /* __LIBUSB_H__ */