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_MISCELLANEOUS = 0xef, 70 LIBUSB_CLASS_APPLICATION = 0xfe, 71 LIBUSB_CLASS_VENDOR_SPEC = 0xff, 72 }; 73 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, 80 LIBUSB_DT_HID = 0x21, 81 LIBUSB_DT_REPORT = 0x22, 82 LIBUSB_DT_PHYSICAL = 0x23, 83 LIBUSB_DT_HUB = 0x29, 84 LIBUSB_DT_BOS = 0x0f, 85 LIBUSB_DT_DEVICE_CAPABILITY = 0x10, 86 LIBUSB_DT_SS_ENDPOINT_COMPANION = 0x30, 87 }; 88 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, 94 }; 95 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 10 106 107 #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 20 110 #define LIBUSB_BT_PLATFORM_DESCRIPTOR_MIN_SIZE 20 111 112 #define LIBUSB_ENDPOINT_ADDRESS_MASK 0x0f 113 #define LIBUSB_ENDPOINT_DIR_MASK 0x80 114 115 enum libusb_endpoint_direction { 116 LIBUSB_ENDPOINT_IN = 0x80, 117 LIBUSB_ENDPOINT_OUT = 0x00, 118 }; 119 120 #define LIBUSB_TRANSFER_TYPE_MASK 0x03 121 122 enum libusb_endpoint_transfer_type { 123 LIBUSB_ENDPOINT_TRANSFER_TYPE_CONTROL = 0, 124 LIBUSB_ENDPOINT_TRANSFER_TYPE_ISOCHRONOUS = 1, 125 LIBUSB_ENDPOINT_TRANSFER_TYPE_BULK = 2, 126 LIBUSB_ENDPOINT_TRANSFER_TYPE_INTERRUPT = 3, 127 }; 128 129 enum libusb_transfer_type { 130 LIBUSB_TRANSFER_TYPE_CONTROL = 0, 131 LIBUSB_TRANSFER_TYPE_ISOCHRONOUS = 1, 132 LIBUSB_TRANSFER_TYPE_BULK = 2, 133 LIBUSB_TRANSFER_TYPE_INTERRUPT = 3, 134 LIBUSB_TRANSFER_TYPE_BULK_STREAM = 4, 135 }; 136 137 enum libusb_standard_request { 138 LIBUSB_REQUEST_GET_STATUS = 0x00, 139 LIBUSB_REQUEST_CLEAR_FEATURE = 0x01, 140 LIBUSB_REQUEST_SET_FEATURE = 0x03, 141 LIBUSB_REQUEST_SET_ADDRESS = 0x05, 142 LIBUSB_REQUEST_GET_DESCRIPTOR = 0x06, 143 LIBUSB_REQUEST_SET_DESCRIPTOR = 0x07, 144 LIBUSB_REQUEST_GET_CONFIGURATION = 0x08, 145 LIBUSB_REQUEST_SET_CONFIGURATION = 0x09, 146 LIBUSB_REQUEST_GET_INTERFACE = 0x0A, 147 LIBUSB_REQUEST_SET_INTERFACE = 0x0B, 148 LIBUSB_REQUEST_SYNCH_FRAME = 0x0C, 149 LIBUSB_REQUEST_SET_SEL = 0x30, 150 LIBUSB_REQUEST_SET_ISOCH_DELAY = 0x31, 151 }; 152 153 enum libusb_request_type { 154 LIBUSB_REQUEST_TYPE_STANDARD = (0x00 << 5), 155 LIBUSB_REQUEST_TYPE_CLASS = (0x01 << 5), 156 LIBUSB_REQUEST_TYPE_VENDOR = (0x02 << 5), 157 LIBUSB_REQUEST_TYPE_RESERVED = (0x03 << 5), 158 }; 159 160 enum libusb_request_recipient { 161 LIBUSB_RECIPIENT_DEVICE = 0x00, 162 LIBUSB_RECIPIENT_INTERFACE = 0x01, 163 LIBUSB_RECIPIENT_ENDPOINT = 0x02, 164 LIBUSB_RECIPIENT_OTHER = 0x03, 165 }; 166 167 #define LIBUSB_ISO_SYNC_TYPE_MASK 0x0C 168 169 enum libusb_iso_sync_type { 170 LIBUSB_ISO_SYNC_TYPE_NONE = 0, 171 LIBUSB_ISO_SYNC_TYPE_ASYNC = 1, 172 LIBUSB_ISO_SYNC_TYPE_ADAPTIVE = 2, 173 LIBUSB_ISO_SYNC_TYPE_SYNC = 3, 174 }; 175 176 #define LIBUSB_ISO_USAGE_TYPE_MASK 0x30 177 178 enum libusb_iso_usage_type { 179 LIBUSB_ISO_USAGE_TYPE_DATA = 0, 180 LIBUSB_ISO_USAGE_TYPE_FEEDBACK = 1, 181 LIBUSB_ISO_USAGE_TYPE_IMPLICIT = 2, 182 }; 183 184 enum libusb_usb_2_0_extension_attributes { 185 LIBUSB_BM_LPM_SUPPORT = 0x2, 186 }; 187 188 enum libusb_supported_speed { 189 LIBUSB_LOW_SPEED_OPERATION = (1 << 0), 190 LIBUSB_FULL_SPEED_OPERATION = (1 << 1), 191 LIBUSB_HIGH_SPEED_OPERATION = (1 << 2), 192 LIBUSB_SUPER_SPEED_OPERATION = (1 << 3), 193 }; 194 195 enum libusb_bos_type { 196 LIBUSB_BT_WIRELESS_USB_DEVICE_CAPABILITY = 1, 197 LIBUSB_BT_USB_2_0_EXTENSION = 2, 198 LIBUSB_BT_SS_USB_DEVICE_CAPABILITY = 3, 199 LIBUSB_BT_CONTAINER_ID = 4, 200 LIBUSB_BT_PLATFORM_DESCRIPTOR = 5, 201 }; 202 203 enum libusb_capability { 204 /* libusb supports libusb_has_capability(). */ 205 LIBUSB_CAP_HAS_CAPABILITY = 0, 206 /* Hotplug support is available. */ 207 LIBUSB_CAP_HAS_HOTPLUG, 208 /* Can access HID devices without requiring user intervention. */ 209 LIBUSB_CAP_HAS_HID_ACCESS, 210 211 /* 212 * Supports detaching of the default USB driver with 213 * libusb_detach_kernel_driver(). 214 */ 215 LIBUSB_CAP_SUPPORTS_DETACH_KERNEL_DRIVER, 216 }; 217 218 enum libusb_error { 219 LIBUSB_SUCCESS = 0, 220 LIBUSB_ERROR_IO = -1, 221 LIBUSB_ERROR_INVALID_PARAM = -2, 222 LIBUSB_ERROR_ACCESS = -3, 223 LIBUSB_ERROR_NO_DEVICE = -4, 224 LIBUSB_ERROR_NOT_FOUND = -5, 225 LIBUSB_ERROR_BUSY = -6, 226 LIBUSB_ERROR_TIMEOUT = -7, 227 LIBUSB_ERROR_OVERFLOW = -8, 228 LIBUSB_ERROR_PIPE = -9, 229 LIBUSB_ERROR_INTERRUPTED = -10, 230 LIBUSB_ERROR_NO_MEM = -11, 231 LIBUSB_ERROR_NOT_SUPPORTED = -12, 232 LIBUSB_ERROR_OTHER = -99, 233 }; 234 235 #define LIBUSB_ERROR_COUNT 14 236 237 enum libusb_speed { 238 LIBUSB_SPEED_UNKNOWN = 0, 239 LIBUSB_SPEED_LOW = 1, 240 LIBUSB_SPEED_FULL = 2, 241 LIBUSB_SPEED_HIGH = 3, 242 LIBUSB_SPEED_SUPER = 4, 243 LIBUSB_SPEED_SUPER_PLUS = 5, 244 }; 245 246 enum libusb_transfer_status { 247 LIBUSB_TRANSFER_COMPLETED, 248 LIBUSB_TRANSFER_ERROR, 249 LIBUSB_TRANSFER_TIMED_OUT, 250 LIBUSB_TRANSFER_CANCELLED, 251 LIBUSB_TRANSFER_STALL, 252 LIBUSB_TRANSFER_NO_DEVICE, 253 LIBUSB_TRANSFER_OVERFLOW, 254 }; 255 256 enum libusb_transfer_flags { 257 LIBUSB_TRANSFER_SHORT_NOT_OK = 1 << 0, 258 LIBUSB_TRANSFER_FREE_BUFFER = 1 << 1, 259 LIBUSB_TRANSFER_FREE_TRANSFER = 1 << 2, 260 }; 261 262 enum libusb_log_level { 263 LIBUSB_LOG_LEVEL_NONE = 0, 264 LIBUSB_LOG_LEVEL_ERROR, 265 LIBUSB_LOG_LEVEL_WARNING, 266 LIBUSB_LOG_LEVEL_INFO, 267 LIBUSB_LOG_LEVEL_DEBUG 268 }; 269 270 #define LIBUSB_HOTPLUG_MATCH_ANY -1 271 272 typedef enum { 273 LIBUSB_HOTPLUG_NO_FLAGS = 0, 274 LIBUSB_HOTPLUG_ENUMERATE = 1 << 0, 275 } libusb_hotplug_flag; 276 277 typedef enum { 278 LIBUSB_HOTPLUG_EVENT_DEVICE_ARRIVED = 1, 279 LIBUSB_HOTPLUG_EVENT_DEVICE_LEFT = 2, 280 } libusb_hotplug_event; 281 282 enum libusb_option { 283 LIBUSB_OPTION_LOG_LEVEL = 0, 284 LIBUSB_OPTION_USE_USBDK = 1, 285 LIBUSB_OPTION_NO_DEVICE_DISCOVERY = 2, 286 LIBUSB_OPTION_WEAK_AUTHORITY = 2, 287 LIBUSB_OPTION_MAX = 3, 288 }; 289 290 /* libusb structures */ 291 292 struct libusb_context; 293 struct libusb_device; 294 struct libusb_transfer; 295 struct libusb_device_handle; 296 struct libusb_hotplug_callback_handle_struct; 297 298 struct libusb_pollfd { 299 int fd; 300 short events; 301 }; 302 303 struct libusb_version { 304 const uint16_t major; 305 const uint16_t minor; 306 const uint16_t micro; 307 const uint16_t nano; 308 const char *rc; 309 const char *describe; 310 }; 311 312 struct libusb_init_option { 313 enum libusb_option option; 314 union { 315 int64_t ival; 316 } value; 317 }; 318 319 typedef struct libusb_context libusb_context; 320 typedef struct libusb_device libusb_device; 321 typedef struct libusb_device_handle libusb_device_handle; 322 typedef struct libusb_pollfd libusb_pollfd; 323 typedef void (*libusb_pollfd_added_cb) (int fd, short events, void *user_data); 324 typedef void (*libusb_pollfd_removed_cb) (int fd, void *user_data); 325 typedef struct libusb_hotplug_callback_handle_struct *libusb_hotplug_callback_handle; 326 327 typedef struct libusb_device_descriptor { 328 uint8_t bLength; 329 uint8_t bDescriptorType; 330 uint16_t bcdUSB; 331 uint8_t bDeviceClass; 332 uint8_t bDeviceSubClass; 333 uint8_t bDeviceProtocol; 334 uint8_t bMaxPacketSize0; 335 uint16_t idVendor; 336 uint16_t idProduct; 337 uint16_t bcdDevice; 338 uint8_t iManufacturer; 339 uint8_t iProduct; 340 uint8_t iSerialNumber; 341 uint8_t bNumConfigurations; 342 } libusb_device_descriptor; 343 344 typedef struct libusb_endpoint_descriptor { 345 uint8_t bLength; 346 uint8_t bDescriptorType; 347 uint8_t bEndpointAddress; 348 uint8_t bmAttributes; 349 uint16_t wMaxPacketSize; 350 uint8_t bInterval; 351 uint8_t bRefresh; 352 uint8_t bSynchAddress; 353 uint8_t *extra; 354 int extra_length; 355 } libusb_endpoint_descriptor __aligned(sizeof(void *)); 356 357 typedef struct libusb_ss_endpoint_companion_descriptor { 358 uint8_t bLength; 359 uint8_t bDescriptorType; 360 uint8_t bMaxBurst; 361 uint8_t bmAttributes; 362 uint16_t wBytesPerInterval; 363 } libusb_ss_endpoint_companion_descriptor __aligned(sizeof(void *)); 364 365 typedef struct libusb_interface_descriptor { 366 uint8_t bLength; 367 uint8_t bDescriptorType; 368 uint8_t bInterfaceNumber; 369 uint8_t bAlternateSetting; 370 uint8_t bNumEndpoints; 371 uint8_t bInterfaceClass; 372 uint8_t bInterfaceSubClass; 373 uint8_t bInterfaceProtocol; 374 uint8_t iInterface; 375 struct libusb_endpoint_descriptor *endpoint; 376 uint8_t *extra; 377 int extra_length; 378 } libusb_interface_descriptor __aligned(sizeof(void *)); 379 380 typedef struct libusb_interface { 381 struct libusb_interface_descriptor *altsetting; 382 int num_altsetting; 383 } libusb_interface __aligned(sizeof(void *)); 384 385 typedef struct libusb_config_descriptor { 386 uint8_t bLength; 387 uint8_t bDescriptorType; 388 uint16_t wTotalLength; 389 uint8_t bNumInterfaces; 390 uint8_t bConfigurationValue; 391 uint8_t iConfiguration; 392 uint8_t bmAttributes; 393 uint8_t MaxPower; 394 struct libusb_interface *interface; 395 uint8_t *extra; 396 int extra_length; 397 } libusb_config_descriptor __aligned(sizeof(void *)); 398 399 typedef struct libusb_usb_2_0_device_capability_descriptor { 400 uint8_t bLength; 401 uint8_t bDescriptorType; 402 uint8_t bDevCapabilityType; 403 uint32_t bmAttributes; 404 #define LIBUSB_USB_2_0_CAPABILITY_LPM_SUPPORT (1 << 1) 405 } libusb_usb_2_0_device_capability_descriptor __aligned(sizeof(void *)); 406 407 typedef struct libusb_ss_usb_device_capability_descriptor { 408 uint8_t bLength; 409 uint8_t bDescriptorType; 410 uint8_t bDevCapabilityType; 411 uint8_t bmAttributes; 412 #define LIBUSB_SS_USB_CAPABILITY_LPM_SUPPORT (1 << 1) 413 uint16_t wSpeedSupported; 414 #define LIBUSB_CAPABILITY_LOW_SPEED_OPERATION (1) 415 #define LIBUSB_CAPABILITY_FULL_SPEED_OPERATION (1 << 1) 416 #define LIBUSB_CAPABILITY_HIGH_SPEED_OPERATION (1 << 2) 417 #define LIBUSB_CAPABILITY_5GBPS_OPERATION (1 << 3) 418 uint8_t bFunctionalitySupport; 419 uint8_t bU1DevExitLat; 420 uint16_t wU2DevExitLat; 421 } libusb_ss_usb_device_capability_descriptor __aligned(sizeof(void *)); 422 423 typedef struct libusb_bos_dev_capability_descriptor { 424 uint8_t bLength; 425 uint8_t bDescriptorType; 426 uint8_t bDevCapabilityType; 427 uint8_t dev_capability_data[0]; 428 } libusb_bos_dev_capability_descriptor __aligned(sizeof(void *)); 429 430 typedef struct libusb_bos_descriptor { 431 uint8_t bLength; 432 uint8_t bDescriptorType; 433 uint16_t wTotalLength; 434 #ifndef bNumDeviceCapabilities 435 #define bNumDeviceCapabilities bNumDeviceCaps 436 #endif 437 uint8_t bNumDeviceCaps; 438 struct libusb_usb_2_0_device_capability_descriptor *usb_2_0_ext_cap; 439 struct libusb_ss_usb_device_capability_descriptor *ss_usb_cap; 440 struct libusb_bos_dev_capability_descriptor **dev_capability; 441 } libusb_bos_descriptor __aligned(sizeof(void *)); 442 443 typedef struct libusb_usb_2_0_extension_descriptor { 444 uint8_t bLength; 445 uint8_t bDescriptorType; 446 uint8_t bDevCapabilityType; 447 uint32_t bmAttributes; 448 } libusb_usb_2_0_extension_descriptor __aligned(sizeof(void *)); 449 450 typedef struct libusb_container_id_descriptor { 451 uint8_t bLength; 452 uint8_t bDescriptorType; 453 uint8_t bDevCapabilityType; 454 uint8_t bReserved; 455 uint8_t ContainerID[16]; 456 } libusb_container_id_descriptor __aligned(sizeof(void *)); 457 458 typedef struct libusb_platform_descriptor { 459 uint8_t bLength; 460 uint8_t bDescriptorType; 461 uint8_t bDevCapabilityType; 462 uint8_t bReserved; 463 uint8_t PlatformCapabilityUUID[16]; 464 uint8_t CapabilityData[]; 465 } libusb_platform_descriptor __aligned(sizeof(void *)); 466 467 typedef struct libusb_control_setup { 468 uint8_t bmRequestType; 469 uint8_t bRequest; 470 uint16_t wValue; 471 uint16_t wIndex; 472 uint16_t wLength; 473 } libusb_control_setup; 474 475 #define LIBUSB_CONTROL_SETUP_SIZE 8 /* bytes */ 476 477 typedef struct libusb_iso_packet_descriptor { 478 uint32_t length; 479 uint32_t actual_length; 480 enum libusb_transfer_status status; 481 } libusb_iso_packet_descriptor __aligned(sizeof(void *)); 482 483 typedef void (*libusb_transfer_cb_fn) (struct libusb_transfer *transfer); 484 485 typedef struct libusb_transfer { 486 libusb_device_handle *dev_handle; 487 uint8_t flags; 488 uint8_t endpoint; 489 uint8_t type; 490 uint32_t timeout; 491 enum libusb_transfer_status status; 492 int length; 493 int actual_length; 494 libusb_transfer_cb_fn callback; 495 void *user_data; 496 uint8_t *buffer; 497 int num_iso_packets; 498 struct libusb_iso_packet_descriptor iso_packet_desc[0]; 499 } libusb_transfer __aligned(sizeof(void *)); 500 501 /* Library initialisation */ 502 503 void libusb_set_debug(libusb_context * ctx, int level); 504 const struct libusb_version *libusb_get_version(void); 505 const char *libusb_strerror(int code); 506 const char *libusb_error_name(int code); 507 int libusb_init(libusb_context ** context); 508 int libusb_init_context(libusb_context **, const struct libusb_init_option [], int num_options); 509 void libusb_exit(struct libusb_context *ctx); 510 int libusb_has_capability(uint32_t capability); 511 int libusb_setlocale(const char *locale); 512 513 /* Device handling and enumeration */ 514 515 ssize_t libusb_get_device_list(libusb_context * ctx, libusb_device *** list); 516 void libusb_free_device_list(libusb_device ** list, int unref_devices); 517 uint8_t libusb_get_bus_number(libusb_device * dev); 518 uint8_t libusb_get_port_number(libusb_device * dev); 519 int libusb_get_port_numbers(libusb_device *dev, uint8_t *buf, uint8_t bufsize); 520 int libusb_get_port_path(libusb_context *ctx, libusb_device *dev, uint8_t *buf, uint8_t bufsize); 521 uint8_t libusb_get_device_address(libusb_device * dev); 522 enum libusb_speed libusb_get_device_speed(libusb_device * dev); 523 int libusb_clear_halt(libusb_device_handle *devh, uint8_t endpoint); 524 int libusb_get_max_packet_size(libusb_device * dev, uint8_t endpoint); 525 int libusb_get_max_iso_packet_size(libusb_device * dev, uint8_t endpoint); 526 libusb_device *libusb_ref_device(libusb_device * dev); 527 void libusb_unref_device(libusb_device * dev); 528 int libusb_wrap_sys_device(libusb_context *ctx, intptr_t sys_dev, libusb_device_handle **dev_handle); 529 int libusb_open(libusb_device * dev, libusb_device_handle ** devh); 530 libusb_device_handle *libusb_open_device_with_vid_pid(libusb_context * ctx, uint16_t vendor_id, uint16_t product_id); 531 void libusb_close(libusb_device_handle * devh); 532 libusb_device *libusb_get_device(libusb_device_handle * devh); 533 libusb_device *libusb_get_parent(libusb_device * dev); 534 int libusb_get_configuration(libusb_device_handle * devh, int *config); 535 int libusb_set_configuration(libusb_device_handle * devh, int configuration); 536 int libusb_claim_interface(libusb_device_handle * devh, int interface_number); 537 int libusb_release_interface(libusb_device_handle * devh, int interface_number); 538 int libusb_reset_device(libusb_device_handle * devh); 539 int libusb_check_connected(libusb_device_handle * devh); 540 int libusb_kernel_driver_active(libusb_device_handle * devh, int interface); 541 int libusb_get_driver_np(libusb_device_handle * devh, int interface, char *name, int namelen); 542 int libusb_get_driver(libusb_device_handle * devh, int interface, char *name, int namelen); 543 int libusb_detach_kernel_driver_np(libusb_device_handle * devh, int interface); 544 int libusb_detach_kernel_driver(libusb_device_handle * devh, int interface); 545 int libusb_attach_kernel_driver(libusb_device_handle * devh, int interface); 546 int libusb_set_auto_detach_kernel_driver(libusb_device_handle *dev, int enable); 547 int libusb_set_interface_alt_setting(libusb_device_handle * devh, int interface_number, int alternate_setting); 548 unsigned char *libusb_dev_mem_alloc(libusb_device_handle *devh); 549 int libusb_dev_mem_free(libusb_device_handle *devh, unsigned char *buffer, 550 size_t size); 551 552 /* USB Descriptors */ 553 554 int libusb_get_device_descriptor(libusb_device * dev, struct libusb_device_descriptor *desc); 555 int libusb_get_active_config_descriptor(libusb_device * dev, struct libusb_config_descriptor **config); 556 int libusb_get_config_descriptor(libusb_device * dev, uint8_t config_index, struct libusb_config_descriptor **config); 557 int libusb_get_config_descriptor_by_value(libusb_device * dev, uint8_t bConfigurationValue, struct libusb_config_descriptor **config); 558 void libusb_free_config_descriptor(struct libusb_config_descriptor *config); 559 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); 560 void libusb_free_ss_endpoint_companion_descriptor(struct libusb_ss_endpoint_companion_descriptor *ep_comp); 561 int libusb_get_string_descriptor(libusb_device_handle * devh, uint8_t desc_index, uint16_t langid, unsigned char *data, int length); 562 int libusb_get_string_descriptor_ascii(libusb_device_handle * devh, uint8_t desc_index, uint8_t *data, int length); 563 int libusb_get_descriptor(libusb_device_handle * devh, uint8_t desc_type, uint8_t desc_index, uint8_t *data, int length); 564 int libusb_parse_ss_endpoint_comp(const void *buf, int len, struct libusb_ss_endpoint_companion_descriptor **ep_comp); 565 void libusb_free_ss_endpoint_comp(struct libusb_ss_endpoint_companion_descriptor *ep_comp); 566 int libusb_parse_bos_descriptor(const void *buf, int len, struct libusb_bos_descriptor **bos); 567 void libusb_free_bos_descriptor(struct libusb_bos_descriptor *bos); 568 int libusb_get_bos_descriptor(libusb_device_handle *handle, struct libusb_bos_descriptor **bos); 569 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); 570 void libusb_free_usb_2_0_extension_descriptor(struct libusb_usb_2_0_extension_descriptor *usb_2_0_extension); 571 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); 572 void libusb_free_ss_usb_device_capability_descriptor(struct libusb_ss_usb_device_capability_descriptor *ss_usb_device_capability); 573 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); 574 void libusb_free_container_id_descriptor(struct libusb_container_id_descriptor *container_id); 575 int libusb_get_platform_descriptor(libusb_context *ctx, struct libusb_bos_dev_capability_descriptor *dev_cap, struct libusb_platform_descriptor **platform_descriptor); 576 void libusb_free_platform_descriptor(struct libusb_platform_descriptor *platform_descriptor); 577 578 /* Asynchronous device I/O */ 579 580 struct libusb_transfer *libusb_alloc_transfer(int iso_packets); 581 void libusb_free_transfer(struct libusb_transfer *transfer); 582 int libusb_submit_transfer(struct libusb_transfer *transfer); 583 int libusb_cancel_transfer(struct libusb_transfer *transfer); 584 uint8_t *libusb_get_iso_packet_buffer(struct libusb_transfer *transfer, uint32_t index); 585 uint8_t *libusb_get_iso_packet_buffer_simple(struct libusb_transfer *transfer, uint32_t index); 586 void libusb_set_iso_packet_lengths(struct libusb_transfer *transfer, uint32_t length); 587 uint8_t *libusb_control_transfer_get_data(struct libusb_transfer *transfer); 588 struct libusb_control_setup *libusb_control_transfer_get_setup(struct libusb_transfer *transfer); 589 void libusb_fill_control_setup(uint8_t *buf, uint8_t bmRequestType, uint8_t bRequest, uint16_t wValue, uint16_t wIndex, uint16_t wLength); 590 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); 591 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); 592 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); 593 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); 594 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); 595 596 /* Polling and timing */ 597 598 int libusb_try_lock_events(libusb_context * ctx); 599 void libusb_lock_events(libusb_context * ctx); 600 void libusb_unlock_events(libusb_context * ctx); 601 int libusb_event_handling_ok(libusb_context * ctx); 602 int libusb_event_handler_active(libusb_context * ctx); 603 void libusb_interrupt_event_handler(libusb_context *ctx); 604 void libusb_lock_event_waiters(libusb_context * ctx); 605 void libusb_unlock_event_waiters(libusb_context * ctx); 606 int libusb_wait_for_event(libusb_context * ctx, struct timeval *tv); 607 int libusb_handle_events_timeout_completed(libusb_context * ctx, struct timeval *tv, int *completed); 608 int libusb_handle_events_completed(libusb_context * ctx, int *completed); 609 int libusb_handle_events_timeout(libusb_context * ctx, struct timeval *tv); 610 int libusb_handle_events(libusb_context * ctx); 611 int libusb_handle_events_locked(libusb_context * ctx, struct timeval *tv); 612 int libusb_pollfds_handle_timeouts(libusb_context *ctx); 613 int libusb_get_next_timeout(libusb_context * ctx, struct timeval *tv); 614 void libusb_set_pollfd_notifiers(libusb_context * ctx, libusb_pollfd_added_cb added_cb, libusb_pollfd_removed_cb removed_cb, void *user_data); 615 const struct libusb_pollfd **libusb_get_pollfds(libusb_context *ctx); 616 void libusb_free_pollfds(const struct libusb_pollfd **pollfds); 617 618 /* Synchronous device I/O */ 619 620 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); 621 int libusb_bulk_transfer(libusb_device_handle * devh, uint8_t endpoint, uint8_t *data, int length, int *transferred, uint32_t timeout); 622 int libusb_interrupt_transfer(libusb_device_handle * devh, uint8_t endpoint, uint8_t *data, int length, int *transferred, uint32_t timeout); 623 624 /* Byte-order */ 625 626 uint16_t libusb_cpu_to_le16(uint16_t x); 627 uint16_t libusb_le16_to_cpu(uint16_t x); 628 629 /* Hotplug support */ 630 631 typedef int (*libusb_hotplug_callback_fn)(libusb_context *ctx, 632 libusb_device *device, libusb_hotplug_event event, void *user_data); 633 634 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); 635 void libusb_hotplug_deregister_callback(libusb_context *ctx, libusb_hotplug_callback_handle handle); 636 void *libusb_hotplug_get_user_data(struct libusb_context *ctx, 637 libusb_hotplug_callback_handle callback_handle); 638 639 /* Streams support */ 640 641 int libusb_alloc_streams(libusb_device_handle *dev, uint32_t num_streams, unsigned char *endpoints, int num_endpoints); 642 int libusb_free_streams(libusb_device_handle *dev, unsigned char *endpoints, int num_endpoints); 643 void libusb_transfer_set_stream_id(struct libusb_transfer *transfer, uint32_t stream_id); 644 uint32_t libusb_transfer_get_stream_id(struct libusb_transfer *transfer); 645 646 #if 0 647 { /* indent fix */ 648 #endif 649 #ifdef __cplusplus 650 } 651 652 #endif 653 654 #endif /* __LIBUSB_H__ */ 655