1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2009 Sylvestre Gallon. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 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. 14 * 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 25 * SUCH DAMAGE. 26 */ 27 28 #ifndef __LIBUSB_H__ 29 #define __LIBUSB_H__ 30 31 #ifndef LIBUSB_GLOBAL_INCLUDE_FILE 32 #include <stdint.h> 33 #include <sys/time.h> 34 #include <sys/types.h> 35 #endif 36 37 #define LIBUSB_API_VERSION 0x01000102 38 39 #define LIBUSB_CALL 40 41 #ifdef __cplusplus 42 extern "C" { 43 #endif 44 #if 0 45 } /* indent fix */ 46 47 #endif 48 49 /* libusb enums */ 50 51 enum libusb_class_code { 52 LIBUSB_CLASS_PER_INTERFACE = 0, 53 LIBUSB_CLASS_AUDIO = 1, 54 LIBUSB_CLASS_COMM = 2, 55 LIBUSB_CLASS_HID = 3, 56 LIBUSB_CLASS_PHYSICAL = 5, 57 LIBUSB_CLASS_PTP = 6, 58 LIBUSB_CLASS_IMAGE = 6, 59 LIBUSB_CLASS_PRINTER = 7, 60 LIBUSB_CLASS_MASS_STORAGE = 8, 61 LIBUSB_CLASS_HUB = 9, 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, 71 }; 72 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, 79 LIBUSB_DT_HID = 0x21, 80 LIBUSB_DT_REPORT = 0x22, 81 LIBUSB_DT_PHYSICAL = 0x23, 82 LIBUSB_DT_HUB = 0x29, 83 LIBUSB_DT_BOS = 0x0f, 84 LIBUSB_DT_DEVICE_CAPABILITY = 0x10, 85 LIBUSB_DT_SS_ENDPOINT_COMPANION = 0x30, 86 }; 87 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, 93 }; 94 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 10 105 106 #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 20 109 110 #define LIBUSB_ENDPOINT_ADDRESS_MASK 0x0f 111 #define LIBUSB_ENDPOINT_DIR_MASK 0x80 112 113 enum libusb_endpoint_direction { 114 LIBUSB_ENDPOINT_IN = 0x80, 115 LIBUSB_ENDPOINT_OUT = 0x00, 116 }; 117 118 #define LIBUSB_TRANSFER_TYPE_MASK 0x03 119 120 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, 125 }; 126 127 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, 141 }; 142 143 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), 148 }; 149 150 enum libusb_request_recipient { 151 LIBUSB_RECIPIENT_DEVICE = 0x00, 152 LIBUSB_RECIPIENT_INTERFACE = 0x01, 153 LIBUSB_RECIPIENT_ENDPOINT = 0x02, 154 LIBUSB_RECIPIENT_OTHER = 0x03, 155 }; 156 157 #define LIBUSB_ISO_SYNC_TYPE_MASK 0x0C 158 159 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, 164 }; 165 166 #define LIBUSB_ISO_USAGE_TYPE_MASK 0x30 167 168 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, 172 }; 173 174 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, 179 }; 180 181 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, 188 189 /* 190 * Supports detaching of the default USB driver with 191 * libusb_detach_kernel_driver(). 192 */ 193 LIBUSB_CAP_SUPPORTS_DETACH_KERNEL_DRIVER, 194 }; 195 196 enum libusb_error { 197 LIBUSB_SUCCESS = 0, 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, 211 }; 212 213 enum libusb_speed { 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, 219 LIBUSB_SPEED_SUPER_PLUS = 5, 220 }; 221 222 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, 230 }; 231 232 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, 236 }; 237 238 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 244 }; 245 246 #define LIBUSB_HOTPLUG_MATCH_ANY -1 247 248 typedef enum { 249 LIBUSB_HOTPLUG_NO_FLAGS = 0, 250 LIBUSB_HOTPLUG_ENUMERATE = 1 << 0, 251 } libusb_hotplug_flag; 252 253 typedef enum { 254 LIBUSB_HOTPLUG_EVENT_DEVICE_ARRIVED = 1, 255 LIBUSB_HOTPLUG_EVENT_DEVICE_LEFT = 2, 256 } libusb_hotplug_event; 257 258 enum libusb_option { 259 LIBUSB_OPTION_LOG_LEVEL = 0, 260 LIBUSB_OPTION_USE_USBDK = 1, 261 LIBUSB_OPTION_NO_DEVICE_DISCOVERY = 2, 262 LIBUSB_OPTION_WEAK_AUTHORITY = 2, 263 LIBUSB_OPTION_MAX = 3, 264 }; 265 266 /* libusb structures */ 267 268 struct libusb_context; 269 struct libusb_device; 270 struct libusb_transfer; 271 struct libusb_device_handle; 272 struct libusb_hotplug_callback_handle_struct; 273 274 struct libusb_pollfd { 275 int fd; 276 short events; 277 }; 278 279 struct libusb_version { 280 const uint16_t major; 281 const uint16_t minor; 282 const uint16_t micro; 283 const uint16_t nano; 284 const char *rc; 285 const char *describe; 286 }; 287 288 struct libusb_init_option { 289 enum libusb_option option; 290 union { 291 int64_t ival; 292 } value; 293 }; 294 295 typedef struct libusb_context libusb_context; 296 typedef struct libusb_device libusb_device; 297 typedef struct libusb_device_handle libusb_device_handle; 298 typedef struct libusb_pollfd libusb_pollfd; 299 typedef void (*libusb_pollfd_added_cb) (int fd, short events, void *user_data); 300 typedef void (*libusb_pollfd_removed_cb) (int fd, void *user_data); 301 typedef struct libusb_hotplug_callback_handle_struct *libusb_hotplug_callback_handle; 302 303 typedef struct libusb_device_descriptor { 304 uint8_t bLength; 305 uint8_t bDescriptorType; 306 uint16_t bcdUSB; 307 uint8_t bDeviceClass; 308 uint8_t bDeviceSubClass; 309 uint8_t bDeviceProtocol; 310 uint8_t bMaxPacketSize0; 311 uint16_t idVendor; 312 uint16_t idProduct; 313 uint16_t bcdDevice; 314 uint8_t iManufacturer; 315 uint8_t iProduct; 316 uint8_t iSerialNumber; 317 uint8_t bNumConfigurations; 318 } libusb_device_descriptor; 319 320 typedef struct libusb_endpoint_descriptor { 321 uint8_t bLength; 322 uint8_t bDescriptorType; 323 uint8_t bEndpointAddress; 324 uint8_t bmAttributes; 325 uint16_t wMaxPacketSize; 326 uint8_t bInterval; 327 uint8_t bRefresh; 328 uint8_t bSynchAddress; 329 uint8_t *extra; 330 int extra_length; 331 } libusb_endpoint_descriptor __aligned(sizeof(void *)); 332 333 typedef struct libusb_ss_endpoint_companion_descriptor { 334 uint8_t bLength; 335 uint8_t bDescriptorType; 336 uint8_t bMaxBurst; 337 uint8_t bmAttributes; 338 uint16_t wBytesPerInterval; 339 } libusb_ss_endpoint_companion_descriptor __aligned(sizeof(void *)); 340 341 typedef struct libusb_interface_descriptor { 342 uint8_t bLength; 343 uint8_t bDescriptorType; 344 uint8_t bInterfaceNumber; 345 uint8_t bAlternateSetting; 346 uint8_t bNumEndpoints; 347 uint8_t bInterfaceClass; 348 uint8_t bInterfaceSubClass; 349 uint8_t bInterfaceProtocol; 350 uint8_t iInterface; 351 struct libusb_endpoint_descriptor *endpoint; 352 uint8_t *extra; 353 int extra_length; 354 } libusb_interface_descriptor __aligned(sizeof(void *)); 355 356 typedef struct libusb_interface { 357 struct libusb_interface_descriptor *altsetting; 358 int num_altsetting; 359 } libusb_interface __aligned(sizeof(void *)); 360 361 typedef struct libusb_config_descriptor { 362 uint8_t bLength; 363 uint8_t bDescriptorType; 364 uint16_t wTotalLength; 365 uint8_t bNumInterfaces; 366 uint8_t bConfigurationValue; 367 uint8_t iConfiguration; 368 uint8_t bmAttributes; 369 uint8_t MaxPower; 370 struct libusb_interface *interface; 371 uint8_t *extra; 372 int extra_length; 373 } libusb_config_descriptor __aligned(sizeof(void *)); 374 375 typedef struct libusb_usb_2_0_device_capability_descriptor { 376 uint8_t bLength; 377 uint8_t bDescriptorType; 378 uint8_t bDevCapabilityType; 379 uint32_t bmAttributes; 380 #define LIBUSB_USB_2_0_CAPABILITY_LPM_SUPPORT (1 << 1) 381 } libusb_usb_2_0_device_capability_descriptor __aligned(sizeof(void *)); 382 383 typedef struct libusb_ss_usb_device_capability_descriptor { 384 uint8_t bLength; 385 uint8_t bDescriptorType; 386 uint8_t bDevCapabilityType; 387 uint8_t bmAttributes; 388 #define LIBUSB_SS_USB_CAPABILITY_LPM_SUPPORT (1 << 1) 389 uint16_t wSpeedSupported; 390 #define LIBUSB_CAPABILITY_LOW_SPEED_OPERATION (1) 391 #define LIBUSB_CAPABILITY_FULL_SPEED_OPERATION (1 << 1) 392 #define LIBUSB_CAPABILITY_HIGH_SPEED_OPERATION (1 << 2) 393 #define LIBUSB_CAPABILITY_5GBPS_OPERATION (1 << 3) 394 uint8_t bFunctionalitySupport; 395 uint8_t bU1DevExitLat; 396 uint16_t wU2DevExitLat; 397 } libusb_ss_usb_device_capability_descriptor __aligned(sizeof(void *)); 398 399 typedef struct libusb_bos_dev_capability_descriptor { 400 uint8_t bLength; 401 uint8_t bDescriptorType; 402 uint8_t bDevCapabilityType; 403 uint8_t dev_capability_data[0]; 404 } libusb_bos_dev_capability_descriptor __aligned(sizeof(void *)); 405 406 typedef struct libusb_bos_descriptor { 407 uint8_t bLength; 408 uint8_t bDescriptorType; 409 uint16_t wTotalLength; 410 #ifndef bNumDeviceCapabilities 411 #define bNumDeviceCapabilities bNumDeviceCaps 412 #endif 413 uint8_t bNumDeviceCaps; 414 struct libusb_usb_2_0_device_capability_descriptor *usb_2_0_ext_cap; 415 struct libusb_ss_usb_device_capability_descriptor *ss_usb_cap; 416 struct libusb_bos_dev_capability_descriptor **dev_capability; 417 } libusb_bos_descriptor __aligned(sizeof(void *)); 418 419 typedef struct libusb_usb_2_0_extension_descriptor { 420 uint8_t bLength; 421 uint8_t bDescriptorType; 422 uint8_t bDevCapabilityType; 423 uint32_t bmAttributes; 424 } libusb_usb_2_0_extension_descriptor __aligned(sizeof(void *)); 425 426 typedef struct libusb_container_id_descriptor { 427 uint8_t bLength; 428 uint8_t bDescriptorType; 429 uint8_t bDevCapabilityType; 430 uint8_t bReserved; 431 uint8_t ContainerID[16]; 432 } libusb_container_id_descriptor __aligned(sizeof(void *)); 433 434 typedef struct libusb_control_setup { 435 uint8_t bmRequestType; 436 uint8_t bRequest; 437 uint16_t wValue; 438 uint16_t wIndex; 439 uint16_t wLength; 440 } libusb_control_setup; 441 442 #define LIBUSB_CONTROL_SETUP_SIZE 8 /* bytes */ 443 444 typedef struct libusb_iso_packet_descriptor { 445 uint32_t length; 446 uint32_t actual_length; 447 enum libusb_transfer_status status; 448 } libusb_iso_packet_descriptor __aligned(sizeof(void *)); 449 450 typedef void (*libusb_transfer_cb_fn) (struct libusb_transfer *transfer); 451 452 typedef struct libusb_transfer { 453 libusb_device_handle *dev_handle; 454 uint8_t flags; 455 uint8_t endpoint; 456 uint8_t type; 457 uint32_t timeout; 458 enum libusb_transfer_status status; 459 int length; 460 int actual_length; 461 libusb_transfer_cb_fn callback; 462 void *user_data; 463 uint8_t *buffer; 464 int num_iso_packets; 465 struct libusb_iso_packet_descriptor iso_packet_desc[0]; 466 } libusb_transfer __aligned(sizeof(void *)); 467 468 /* Library initialisation */ 469 470 void libusb_set_debug(libusb_context * ctx, int level); 471 const struct libusb_version *libusb_get_version(void); 472 const char *libusb_strerror(int code); 473 const char *libusb_error_name(int code); 474 int libusb_init(libusb_context ** context); 475 int libusb_init_context(libusb_context **, const struct libusb_init_option [], int num_options); 476 void libusb_exit(struct libusb_context *ctx); 477 int libusb_has_capability(uint32_t capability); 478 479 /* Device handling and enumeration */ 480 481 ssize_t libusb_get_device_list(libusb_context * ctx, libusb_device *** list); 482 void libusb_free_device_list(libusb_device ** list, int unref_devices); 483 uint8_t libusb_get_bus_number(libusb_device * dev); 484 uint8_t libusb_get_port_number(libusb_device * dev); 485 int libusb_get_port_numbers(libusb_device *dev, uint8_t *buf, uint8_t bufsize); 486 int libusb_get_port_path(libusb_context *ctx, libusb_device *dev, uint8_t *buf, uint8_t bufsize); 487 uint8_t libusb_get_device_address(libusb_device * dev); 488 enum libusb_speed libusb_get_device_speed(libusb_device * dev); 489 int libusb_clear_halt(libusb_device_handle *devh, uint8_t endpoint); 490 int libusb_get_max_packet_size(libusb_device * dev, uint8_t endpoint); 491 int libusb_get_max_iso_packet_size(libusb_device * dev, uint8_t endpoint); 492 libusb_device *libusb_ref_device(libusb_device * dev); 493 void libusb_unref_device(libusb_device * dev); 494 int libusb_open(libusb_device * dev, libusb_device_handle ** devh); 495 libusb_device_handle *libusb_open_device_with_vid_pid(libusb_context * ctx, uint16_t vendor_id, uint16_t product_id); 496 void libusb_close(libusb_device_handle * devh); 497 libusb_device *libusb_get_device(libusb_device_handle * devh); 498 libusb_device *libusb_get_parent(libusb_device * dev); 499 int libusb_get_configuration(libusb_device_handle * devh, int *config); 500 int libusb_set_configuration(libusb_device_handle * devh, int configuration); 501 int libusb_claim_interface(libusb_device_handle * devh, int interface_number); 502 int libusb_release_interface(libusb_device_handle * devh, int interface_number); 503 int libusb_reset_device(libusb_device_handle * devh); 504 int libusb_check_connected(libusb_device_handle * devh); 505 int libusb_kernel_driver_active(libusb_device_handle * devh, int interface); 506 int libusb_get_driver_np(libusb_device_handle * devh, int interface, char *name, int namelen); 507 int libusb_get_driver(libusb_device_handle * devh, int interface, char *name, int namelen); 508 int libusb_detach_kernel_driver_np(libusb_device_handle * devh, int interface); 509 int libusb_detach_kernel_driver(libusb_device_handle * devh, int interface); 510 int libusb_attach_kernel_driver(libusb_device_handle * devh, int interface); 511 int libusb_set_auto_detach_kernel_driver(libusb_device_handle *dev, int enable); 512 int libusb_set_interface_alt_setting(libusb_device_handle * devh, int interface_number, int alternate_setting); 513 514 /* USB Descriptors */ 515 516 int libusb_get_device_descriptor(libusb_device * dev, struct libusb_device_descriptor *desc); 517 int libusb_get_active_config_descriptor(libusb_device * dev, struct libusb_config_descriptor **config); 518 int libusb_get_config_descriptor(libusb_device * dev, uint8_t config_index, struct libusb_config_descriptor **config); 519 int libusb_get_config_descriptor_by_value(libusb_device * dev, uint8_t bConfigurationValue, struct libusb_config_descriptor **config); 520 void libusb_free_config_descriptor(struct libusb_config_descriptor *config); 521 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); 522 void libusb_free_ss_endpoint_companion_descriptor(struct libusb_ss_endpoint_companion_descriptor *ep_comp); 523 int libusb_get_string_descriptor(libusb_device_handle * devh, uint8_t desc_index, uint16_t langid, unsigned char *data, int length); 524 int libusb_get_string_descriptor_ascii(libusb_device_handle * devh, uint8_t desc_index, uint8_t *data, int length); 525 int libusb_get_descriptor(libusb_device_handle * devh, uint8_t desc_type, uint8_t desc_index, uint8_t *data, int length); 526 int libusb_parse_ss_endpoint_comp(const void *buf, int len, struct libusb_ss_endpoint_companion_descriptor **ep_comp); 527 void libusb_free_ss_endpoint_comp(struct libusb_ss_endpoint_companion_descriptor *ep_comp); 528 int libusb_parse_bos_descriptor(const void *buf, int len, struct libusb_bos_descriptor **bos); 529 void libusb_free_bos_descriptor(struct libusb_bos_descriptor *bos); 530 int libusb_get_bos_descriptor(libusb_device_handle *handle, struct libusb_bos_descriptor **bos); 531 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); 532 void libusb_free_usb_2_0_extension_descriptor(struct libusb_usb_2_0_extension_descriptor *usb_2_0_extension); 533 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); 534 void libusb_free_ss_usb_device_capability_descriptor(struct libusb_ss_usb_device_capability_descriptor *ss_usb_device_capability); 535 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); 536 void libusb_free_container_id_descriptor(struct libusb_container_id_descriptor *container_id); 537 538 /* Asynchronous device I/O */ 539 540 struct libusb_transfer *libusb_alloc_transfer(int iso_packets); 541 void libusb_free_transfer(struct libusb_transfer *transfer); 542 int libusb_submit_transfer(struct libusb_transfer *transfer); 543 int libusb_cancel_transfer(struct libusb_transfer *transfer); 544 uint8_t *libusb_get_iso_packet_buffer(struct libusb_transfer *transfer, uint32_t index); 545 uint8_t *libusb_get_iso_packet_buffer_simple(struct libusb_transfer *transfer, uint32_t index); 546 void libusb_set_iso_packet_lengths(struct libusb_transfer *transfer, uint32_t length); 547 uint8_t *libusb_control_transfer_get_data(struct libusb_transfer *transfer); 548 struct libusb_control_setup *libusb_control_transfer_get_setup(struct libusb_transfer *transfer); 549 void libusb_fill_control_setup(uint8_t *buf, uint8_t bmRequestType, uint8_t bRequest, uint16_t wValue, uint16_t wIndex, uint16_t wLength); 550 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); 551 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); 552 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); 553 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); 554 555 /* Polling and timing */ 556 557 int libusb_try_lock_events(libusb_context * ctx); 558 void libusb_lock_events(libusb_context * ctx); 559 void libusb_unlock_events(libusb_context * ctx); 560 int libusb_event_handling_ok(libusb_context * ctx); 561 int libusb_event_handler_active(libusb_context * ctx); 562 void libusb_interrupt_event_handler(libusb_context *ctx); 563 void libusb_lock_event_waiters(libusb_context * ctx); 564 void libusb_unlock_event_waiters(libusb_context * ctx); 565 int libusb_wait_for_event(libusb_context * ctx, struct timeval *tv); 566 int libusb_handle_events_timeout_completed(libusb_context * ctx, struct timeval *tv, int *completed); 567 int libusb_handle_events_completed(libusb_context * ctx, int *completed); 568 int libusb_handle_events_timeout(libusb_context * ctx, struct timeval *tv); 569 int libusb_handle_events(libusb_context * ctx); 570 int libusb_handle_events_locked(libusb_context * ctx, struct timeval *tv); 571 int libusb_get_next_timeout(libusb_context * ctx, struct timeval *tv); 572 void libusb_set_pollfd_notifiers(libusb_context * ctx, libusb_pollfd_added_cb added_cb, libusb_pollfd_removed_cb removed_cb, void *user_data); 573 const struct libusb_pollfd **libusb_get_pollfds(libusb_context * ctx); 574 575 /* Synchronous device I/O */ 576 577 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); 578 int libusb_bulk_transfer(libusb_device_handle * devh, uint8_t endpoint, uint8_t *data, int length, int *transferred, uint32_t timeout); 579 int libusb_interrupt_transfer(libusb_device_handle * devh, uint8_t endpoint, uint8_t *data, int length, int *transferred, uint32_t timeout); 580 581 /* Byte-order */ 582 583 uint16_t libusb_cpu_to_le16(uint16_t x); 584 uint16_t libusb_le16_to_cpu(uint16_t x); 585 586 /* Hotplug support */ 587 588 typedef int (*libusb_hotplug_callback_fn)(libusb_context *ctx, 589 libusb_device *device, libusb_hotplug_event event, void *user_data); 590 591 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); 592 void libusb_hotplug_deregister_callback(libusb_context *ctx, libusb_hotplug_callback_handle handle); 593 594 /* Streams support */ 595 596 int libusb_alloc_streams(libusb_device_handle *dev, uint32_t num_streams, unsigned char *endpoints, int num_endpoints); 597 int libusb_free_streams(libusb_device_handle *dev, unsigned char *endpoints, int num_endpoints); 598 void libusb_transfer_set_stream_id(struct libusb_transfer *transfer, uint32_t stream_id); 599 uint32_t libusb_transfer_get_stream_id(struct libusb_transfer *transfer); 600 601 #if 0 602 { /* indent fix */ 603 #endif 604 #ifdef __cplusplus 605 } 606 607 #endif 608 609 #endif /* __LIBUSB_H__ */ 610