1 /* $FreeBSD$ */ 2 /*- 3 * Copyright (c) 2009 Sylvestre Gallon. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 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. 13 * 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 24 * SUCH DAMAGE. 25 */ 26 27 #ifndef __LIBUSB_H__ 28 #define __LIBUSB_H__ 29 30 #ifndef LIBUSB_GLOBAL_INCLUDE_FILE 31 #include <stdint.h> 32 #include <sys/time.h> 33 #include <sys/types.h> 34 #endif 35 36 #define LIBUSB_API_VERSION 0x01000102 37 38 #define LIBUSB_CALL 39 40 #ifdef __cplusplus 41 extern "C" { 42 #endif 43 #if 0 44 } /* indent fix */ 45 46 #endif 47 48 /* libusb enums */ 49 50 enum libusb_class_code { 51 LIBUSB_CLASS_PER_INTERFACE = 0, 52 LIBUSB_CLASS_AUDIO = 1, 53 LIBUSB_CLASS_COMM = 2, 54 LIBUSB_CLASS_HID = 3, 55 LIBUSB_CLASS_PTP = 6, 56 LIBUSB_CLASS_IMAGE = 6, 57 LIBUSB_CLASS_PRINTER = 7, 58 LIBUSB_CLASS_MASS_STORAGE = 8, 59 LIBUSB_CLASS_HUB = 9, 60 LIBUSB_CLASS_DATA = 10, 61 LIBUSB_CLASS_SMART_CARD = 11, 62 LIBUSB_CLASS_CONTENT_SECURITY = 13, 63 LIBUSB_CLASS_VIDEO = 14, 64 LIBUSB_CLASS_PERSONAL_HEALTHCARE = 15, 65 LIBUSB_CLASS_DIAGNOSTIC_DEVICE = 0xdc, 66 LIBUSB_CLASS_WIRELESS = 0xe0, 67 LIBUSB_CLASS_APPLICATION = 0xfe, 68 LIBUSB_CLASS_VENDOR_SPEC = 0xff, 69 }; 70 71 enum libusb_descriptor_type { 72 LIBUSB_DT_DEVICE = 0x01, 73 LIBUSB_DT_CONFIG = 0x02, 74 LIBUSB_DT_STRING = 0x03, 75 LIBUSB_DT_INTERFACE = 0x04, 76 LIBUSB_DT_ENDPOINT = 0x05, 77 LIBUSB_DT_HID = 0x21, 78 LIBUSB_DT_REPORT = 0x22, 79 LIBUSB_DT_PHYSICAL = 0x23, 80 LIBUSB_DT_HUB = 0x29, 81 LIBUSB_DT_BOS = 0x0f, 82 LIBUSB_DT_DEVICE_CAPABILITY = 0x10, 83 LIBUSB_DT_SS_ENDPOINT_COMPANION = 0x30, 84 }; 85 86 enum libusb_device_capability_type { 87 LIBUSB_WIRELESS_USB_DEVICE_CAPABILITY = 0x1, 88 LIBUSB_USB_2_0_EXTENSION_DEVICE_CAPABILITY = 0x2, 89 LIBUSB_SS_USB_DEVICE_CAPABILITY = 0x3, 90 LIBUSB_CONTAINER_ID_DEVICE_CAPABILITY = 0x4, 91 }; 92 93 #define LIBUSB_DT_DEVICE_SIZE 18 94 #define LIBUSB_DT_CONFIG_SIZE 9 95 #define LIBUSB_DT_INTERFACE_SIZE 9 96 #define LIBUSB_DT_ENDPOINT_SIZE 7 97 #define LIBUSB_DT_ENDPOINT_AUDIO_SIZE 9 98 #define LIBUSB_DT_HUB_NONVAR_SIZE 7 99 #define LIBUSB_DT_SS_ENDPOINT_COMPANION_SIZE 6 100 #define LIBUSB_DT_BOS_SIZE 5 101 #define LIBUSB_USB_2_0_EXTENSION_DEVICE_CAPABILITY_SIZE 7 102 #define LIBUSB_SS_USB_DEVICE_CAPABILITY_SIZE 10 103 104 #define LIBUSB_BT_USB_2_0_EXTENSION_SIZE 7 105 #define LIBUSB_BT_SS_USB_DEVICE_CAPABILITY_SIZE 10 106 #define LIBUSB_BT_CONTAINER_ID_SIZE 20 107 108 #define LIBUSB_ENDPOINT_ADDRESS_MASK 0x0f 109 #define LIBUSB_ENDPOINT_DIR_MASK 0x80 110 111 enum libusb_endpoint_direction { 112 LIBUSB_ENDPOINT_IN = 0x80, 113 LIBUSB_ENDPOINT_OUT = 0x00, 114 }; 115 116 #define LIBUSB_TRANSFER_TYPE_MASK 0x03 117 118 enum libusb_transfer_type { 119 LIBUSB_TRANSFER_TYPE_CONTROL = 0, 120 LIBUSB_TRANSFER_TYPE_ISOCHRONOUS = 1, 121 LIBUSB_TRANSFER_TYPE_BULK = 2, 122 LIBUSB_TRANSFER_TYPE_INTERRUPT = 3, 123 }; 124 125 enum libusb_standard_request { 126 LIBUSB_REQUEST_GET_STATUS = 0x00, 127 LIBUSB_REQUEST_CLEAR_FEATURE = 0x01, 128 LIBUSB_REQUEST_SET_FEATURE = 0x03, 129 LIBUSB_REQUEST_SET_ADDRESS = 0x05, 130 LIBUSB_REQUEST_GET_DESCRIPTOR = 0x06, 131 LIBUSB_REQUEST_SET_DESCRIPTOR = 0x07, 132 LIBUSB_REQUEST_GET_CONFIGURATION = 0x08, 133 LIBUSB_REQUEST_SET_CONFIGURATION = 0x09, 134 LIBUSB_REQUEST_GET_INTERFACE = 0x0A, 135 LIBUSB_REQUEST_SET_INTERFACE = 0x0B, 136 LIBUSB_REQUEST_SYNCH_FRAME = 0x0C, 137 LIBUSB_REQUEST_SET_SEL = 0x30, 138 LIBUSB_REQUEST_SET_ISOCH_DELAY = 0x31, 139 }; 140 141 enum libusb_request_type { 142 LIBUSB_REQUEST_TYPE_STANDARD = (0x00 << 5), 143 LIBUSB_REQUEST_TYPE_CLASS = (0x01 << 5), 144 LIBUSB_REQUEST_TYPE_VENDOR = (0x02 << 5), 145 LIBUSB_REQUEST_TYPE_RESERVED = (0x03 << 5), 146 }; 147 148 enum libusb_request_recipient { 149 LIBUSB_RECIPIENT_DEVICE = 0x00, 150 LIBUSB_RECIPIENT_INTERFACE = 0x01, 151 LIBUSB_RECIPIENT_ENDPOINT = 0x02, 152 LIBUSB_RECIPIENT_OTHER = 0x03, 153 }; 154 155 #define LIBUSB_ISO_SYNC_TYPE_MASK 0x0C 156 157 enum libusb_iso_sync_type { 158 LIBUSB_ISO_SYNC_TYPE_NONE = 0, 159 LIBUSB_ISO_SYNC_TYPE_ASYNC = 1, 160 LIBUSB_ISO_SYNC_TYPE_ADAPTIVE = 2, 161 LIBUSB_ISO_SYNC_TYPE_SYNC = 3, 162 }; 163 164 #define LIBUSB_ISO_USAGE_TYPE_MASK 0x30 165 166 enum libusb_iso_usage_type { 167 LIBUSB_ISO_USAGE_TYPE_DATA = 0, 168 LIBUSB_ISO_USAGE_TYPE_FEEDBACK = 1, 169 LIBUSB_ISO_USAGE_TYPE_IMPLICIT = 2, 170 }; 171 172 enum libusb_bos_type { 173 LIBUSB_BT_WIRELESS_USB_DEVICE_CAPABILITY = 1, 174 LIBUSB_BT_USB_2_0_EXTENSION = 2, 175 LIBUSB_BT_SS_USB_DEVICE_CAPABILITY = 3, 176 LIBUSB_BT_CONTAINER_ID = 4, 177 }; 178 179 enum libusb_error { 180 LIBUSB_SUCCESS = 0, 181 LIBUSB_ERROR_IO = -1, 182 LIBUSB_ERROR_INVALID_PARAM = -2, 183 LIBUSB_ERROR_ACCESS = -3, 184 LIBUSB_ERROR_NO_DEVICE = -4, 185 LIBUSB_ERROR_NOT_FOUND = -5, 186 LIBUSB_ERROR_BUSY = -6, 187 LIBUSB_ERROR_TIMEOUT = -7, 188 LIBUSB_ERROR_OVERFLOW = -8, 189 LIBUSB_ERROR_PIPE = -9, 190 LIBUSB_ERROR_INTERRUPTED = -10, 191 LIBUSB_ERROR_NO_MEM = -11, 192 LIBUSB_ERROR_NOT_SUPPORTED = -12, 193 LIBUSB_ERROR_OTHER = -99, 194 }; 195 196 enum libusb_speed { 197 LIBUSB_SPEED_UNKNOWN = 0, 198 LIBUSB_SPEED_LOW = 1, 199 LIBUSB_SPEED_FULL = 2, 200 LIBUSB_SPEED_HIGH = 3, 201 LIBUSB_SPEED_SUPER = 4, 202 }; 203 204 enum libusb_transfer_status { 205 LIBUSB_TRANSFER_COMPLETED, 206 LIBUSB_TRANSFER_ERROR, 207 LIBUSB_TRANSFER_TIMED_OUT, 208 LIBUSB_TRANSFER_CANCELLED, 209 LIBUSB_TRANSFER_STALL, 210 LIBUSB_TRANSFER_NO_DEVICE, 211 LIBUSB_TRANSFER_OVERFLOW, 212 }; 213 214 enum libusb_transfer_flags { 215 LIBUSB_TRANSFER_SHORT_NOT_OK = 1 << 0, 216 LIBUSB_TRANSFER_FREE_BUFFER = 1 << 1, 217 LIBUSB_TRANSFER_FREE_TRANSFER = 1 << 2, 218 }; 219 220 enum libusb_log_level { 221 LIBUSB_LOG_LEVEL_NONE = 0, 222 LIBUSB_LOG_LEVEL_ERROR, 223 LIBUSB_LOG_LEVEL_WARNING, 224 LIBUSB_LOG_LEVEL_INFO, 225 LIBUSB_LOG_LEVEL_DEBUG 226 }; 227 228 /* XXX */ 229 /* libusb_set_debug should take parameters from libusb_log_level 230 * above according to 231 * http://libusb.sourceforge.net/api-1.0/group__lib.html 232 */ 233 enum libusb_debug_level { 234 LIBUSB_DEBUG_NO=0, 235 LIBUSB_DEBUG_FUNCTION=1, 236 LIBUSB_DEBUG_TRANSFER=2, 237 }; 238 239 #define LIBUSB_HOTPLUG_MATCH_ANY -1 240 241 typedef enum { 242 LIBUSB_HOTPLUG_NO_FLAGS = 0, 243 LIBUSB_HOTPLUG_ENUMERATE = 1 << 0, 244 } libusb_hotplug_flag; 245 246 typedef enum { 247 LIBUSB_HOTPLUG_EVENT_DEVICE_ARRIVED = 1, 248 LIBUSB_HOTPLUG_EVENT_DEVICE_LEFT = 2, 249 } libusb_hotplug_event; 250 251 /* libusb structures */ 252 253 struct libusb_context; 254 struct libusb_device; 255 struct libusb_transfer; 256 struct libusb_device_handle; 257 struct libusb_hotplug_callback_handle_struct; 258 259 struct libusb_pollfd { 260 int fd; 261 short events; 262 }; 263 264 struct libusb_version { 265 const uint16_t major; 266 const uint16_t minor; 267 const uint16_t micro; 268 const uint16_t nano; 269 const char *rc; 270 const char *describe; 271 }; 272 273 typedef struct libusb_context libusb_context; 274 typedef struct libusb_device libusb_device; 275 typedef struct libusb_device_handle libusb_device_handle; 276 typedef struct libusb_pollfd libusb_pollfd; 277 typedef void (*libusb_pollfd_added_cb) (int fd, short events, void *user_data); 278 typedef void (*libusb_pollfd_removed_cb) (int fd, void *user_data); 279 typedef struct libusb_hotplug_callback_handle_struct *libusb_hotplug_callback_handle; 280 281 typedef struct libusb_device_descriptor { 282 uint8_t bLength; 283 uint8_t bDescriptorType; 284 uint16_t bcdUSB; 285 uint8_t bDeviceClass; 286 uint8_t bDeviceSubClass; 287 uint8_t bDeviceProtocol; 288 uint8_t bMaxPacketSize0; 289 uint16_t idVendor; 290 uint16_t idProduct; 291 uint16_t bcdDevice; 292 uint8_t iManufacturer; 293 uint8_t iProduct; 294 uint8_t iSerialNumber; 295 uint8_t bNumConfigurations; 296 } libusb_device_descriptor; 297 298 typedef struct libusb_endpoint_descriptor { 299 uint8_t bLength; 300 uint8_t bDescriptorType; 301 uint8_t bEndpointAddress; 302 uint8_t bmAttributes; 303 uint16_t wMaxPacketSize; 304 uint8_t bInterval; 305 uint8_t bRefresh; 306 uint8_t bSynchAddress; 307 uint8_t *extra; 308 int extra_length; 309 } libusb_endpoint_descriptor __aligned(sizeof(void *)); 310 311 typedef struct libusb_ss_endpoint_companion_descriptor { 312 uint8_t bLength; 313 uint8_t bDescriptorType; 314 uint8_t bMaxBurst; 315 uint8_t bmAttributes; 316 uint16_t wBytesPerInterval; 317 } libusb_ss_endpoint_companion_descriptor __aligned(sizeof(void *)); 318 319 typedef struct libusb_interface_descriptor { 320 uint8_t bLength; 321 uint8_t bDescriptorType; 322 uint8_t bInterfaceNumber; 323 uint8_t bAlternateSetting; 324 uint8_t bNumEndpoints; 325 uint8_t bInterfaceClass; 326 uint8_t bInterfaceSubClass; 327 uint8_t bInterfaceProtocol; 328 uint8_t iInterface; 329 struct libusb_endpoint_descriptor *endpoint; 330 uint8_t *extra; 331 int extra_length; 332 } libusb_interface_descriptor __aligned(sizeof(void *)); 333 334 typedef struct libusb_interface { 335 struct libusb_interface_descriptor *altsetting; 336 int num_altsetting; 337 } libusb_interface __aligned(sizeof(void *)); 338 339 typedef struct libusb_config_descriptor { 340 uint8_t bLength; 341 uint8_t bDescriptorType; 342 uint16_t wTotalLength; 343 uint8_t bNumInterfaces; 344 uint8_t bConfigurationValue; 345 uint8_t iConfiguration; 346 uint8_t bmAttributes; 347 uint8_t MaxPower; 348 struct libusb_interface *interface; 349 uint8_t *extra; 350 int extra_length; 351 } libusb_config_descriptor __aligned(sizeof(void *)); 352 353 typedef struct libusb_usb_2_0_device_capability_descriptor { 354 uint8_t bLength; 355 uint8_t bDescriptorType; 356 uint8_t bDevCapabilityType; 357 uint32_t bmAttributes; 358 #define LIBUSB_USB_2_0_CAPABILITY_LPM_SUPPORT (1 << 1) 359 } libusb_usb_2_0_device_capability_descriptor __aligned(sizeof(void *)); 360 361 typedef struct libusb_ss_usb_device_capability_descriptor { 362 uint8_t bLength; 363 uint8_t bDescriptorType; 364 uint8_t bDevCapabilityType; 365 uint8_t bmAttributes; 366 #define LIBUSB_SS_USB_CAPABILITY_LPM_SUPPORT (1 << 1) 367 uint16_t wSpeedSupported; 368 #define LIBUSB_CAPABILITY_LOW_SPEED_OPERATION (1) 369 #define LIBUSB_CAPABILITY_FULL_SPEED_OPERATION (1 << 1) 370 #define LIBUSB_CAPABILITY_HIGH_SPEED_OPERATION (1 << 2) 371 #define LIBUSB_CAPABILITY_5GBPS_OPERATION (1 << 3) 372 uint8_t bFunctionalitySupport; 373 uint8_t bU1DevExitLat; 374 uint16_t wU2DevExitLat; 375 } libusb_ss_usb_device_capability_descriptor __aligned(sizeof(void *)); 376 377 typedef struct libusb_bos_dev_capability_descriptor { 378 uint8_t bLength; 379 uint8_t bDescriptorType; 380 uint8_t bDevCapabilityType; 381 uint8_t dev_capability_data[0]; 382 } libusb_bos_dev_capability_descriptor __aligned(sizeof(void *)); 383 384 typedef struct libusb_bos_descriptor { 385 uint8_t bLength; 386 uint8_t bDescriptorType; 387 uint16_t wTotalLength; 388 uint8_t bNumDeviceCapabilities; 389 struct libusb_usb_2_0_device_capability_descriptor *usb_2_0_ext_cap; 390 struct libusb_ss_usb_device_capability_descriptor *ss_usb_cap; 391 } libusb_bos_descriptor __aligned(sizeof(void *)); 392 393 typedef struct libusb_usb_2_0_extension_descriptor { 394 uint8_t bLength; 395 uint8_t bDescriptorType; 396 uint8_t bDevCapabilityType; 397 uint32_t bmAttributes; 398 } libusb_usb_2_0_extension_descriptor __aligned(sizeof(void *)); 399 400 typedef struct libusb_container_id_descriptor { 401 uint8_t bLength; 402 uint8_t bDescriptorType; 403 uint8_t bDevCapabilityType; 404 uint8_t bReserved; 405 uint8_t ContainerID[16]; 406 } libusb_container_id_descriptor __aligned(sizeof(void *)); 407 408 typedef struct libusb_control_setup { 409 uint8_t bmRequestType; 410 uint8_t bRequest; 411 uint16_t wValue; 412 uint16_t wIndex; 413 uint16_t wLength; 414 } libusb_control_setup; 415 416 #define LIBUSB_CONTROL_SETUP_SIZE 8 /* bytes */ 417 418 typedef struct libusb_iso_packet_descriptor { 419 uint32_t length; 420 uint32_t actual_length; 421 enum libusb_transfer_status status; 422 } libusb_iso_packet_descriptor __aligned(sizeof(void *)); 423 424 typedef void (*libusb_transfer_cb_fn) (struct libusb_transfer *transfer); 425 426 typedef struct libusb_transfer { 427 libusb_device_handle *dev_handle; 428 uint8_t flags; 429 uint8_t endpoint; 430 uint8_t type; 431 uint32_t timeout; 432 enum libusb_transfer_status status; 433 int length; 434 int actual_length; 435 libusb_transfer_cb_fn callback; 436 void *user_data; 437 uint8_t *buffer; 438 int num_iso_packets; 439 struct libusb_iso_packet_descriptor iso_packet_desc[0]; 440 } libusb_transfer __aligned(sizeof(void *)); 441 442 /* Library initialisation */ 443 444 void libusb_set_debug(libusb_context * ctx, int level); 445 const struct libusb_version *libusb_get_version(void); 446 const char *libusb_strerror(int code); 447 const char *libusb_error_name(int code); 448 int libusb_init(libusb_context ** context); 449 void libusb_exit(struct libusb_context *ctx); 450 451 /* Device handling and enumeration */ 452 453 ssize_t libusb_get_device_list(libusb_context * ctx, libusb_device *** list); 454 void libusb_free_device_list(libusb_device ** list, int unref_devices); 455 uint8_t libusb_get_bus_number(libusb_device * dev); 456 uint8_t libusb_get_port_number(libusb_device * dev); 457 int libusb_get_port_numbers(libusb_device *dev, uint8_t *buf, uint8_t bufsize); 458 int libusb_get_port_path(libusb_context *ctx, libusb_device *dev, uint8_t *buf, uint8_t bufsize); 459 uint8_t libusb_get_device_address(libusb_device * dev); 460 enum libusb_speed libusb_get_device_speed(libusb_device * dev); 461 int libusb_clear_halt(libusb_device_handle *devh, uint8_t endpoint); 462 int libusb_get_max_packet_size(libusb_device * dev, uint8_t endpoint); 463 int libusb_get_max_iso_packet_size(libusb_device * dev, uint8_t endpoint); 464 libusb_device *libusb_ref_device(libusb_device * dev); 465 void libusb_unref_device(libusb_device * dev); 466 int libusb_open(libusb_device * dev, libusb_device_handle ** devh); 467 libusb_device_handle *libusb_open_device_with_vid_pid(libusb_context * ctx, uint16_t vendor_id, uint16_t product_id); 468 void libusb_close(libusb_device_handle * devh); 469 libusb_device *libusb_get_device(libusb_device_handle * devh); 470 int libusb_get_configuration(libusb_device_handle * devh, int *config); 471 int libusb_set_configuration(libusb_device_handle * devh, int configuration); 472 int libusb_claim_interface(libusb_device_handle * devh, int interface_number); 473 int libusb_release_interface(libusb_device_handle * devh, int interface_number); 474 int libusb_reset_device(libusb_device_handle * devh); 475 int libusb_check_connected(libusb_device_handle * devh); 476 int libusb_kernel_driver_active(libusb_device_handle * devh, int interface); 477 int libusb_get_driver_np(libusb_device_handle * devh, int interface, char *name, int namelen); 478 int libusb_get_driver(libusb_device_handle * devh, int interface, char *name, int namelen); 479 int libusb_detach_kernel_driver_np(libusb_device_handle * devh, int interface); 480 int libusb_detach_kernel_driver(libusb_device_handle * devh, int interface); 481 int libusb_attach_kernel_driver(libusb_device_handle * devh, int interface); 482 int libusb_set_auto_detach_kernel_driver(libusb_device_handle *dev, int enable); 483 int libusb_set_interface_alt_setting(libusb_device_handle * devh, int interface_number, int alternate_setting); 484 485 /* USB Descriptors */ 486 487 int libusb_get_device_descriptor(libusb_device * dev, struct libusb_device_descriptor *desc); 488 int libusb_get_active_config_descriptor(libusb_device * dev, struct libusb_config_descriptor **config); 489 int libusb_get_config_descriptor(libusb_device * dev, uint8_t config_index, struct libusb_config_descriptor **config); 490 int libusb_get_config_descriptor_by_value(libusb_device * dev, uint8_t bConfigurationValue, struct libusb_config_descriptor **config); 491 void libusb_free_config_descriptor(struct libusb_config_descriptor *config); 492 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); 493 void libusb_free_ss_endpoint_companion_descriptor(struct libusb_ss_endpoint_companion_descriptor *ep_comp); 494 int libusb_get_string_descriptor(libusb_device_handle * devh, uint8_t desc_index, uint16_t langid, unsigned char *data, int length); 495 int libusb_get_string_descriptor_ascii(libusb_device_handle * devh, uint8_t desc_index, uint8_t *data, int length); 496 int libusb_get_descriptor(libusb_device_handle * devh, uint8_t desc_type, uint8_t desc_index, uint8_t *data, int length); 497 int libusb_parse_ss_endpoint_comp(const void *buf, int len, struct libusb_ss_endpoint_companion_descriptor **ep_comp); 498 void libusb_free_ss_endpoint_comp(struct libusb_ss_endpoint_companion_descriptor *ep_comp); 499 int libusb_parse_bos_descriptor(const void *buf, int len, struct libusb_bos_descriptor **bos); 500 void libusb_free_bos_descriptor(struct libusb_bos_descriptor *bos); 501 int libusb_get_bos_descriptor(libusb_device_handle *handle, struct libusb_bos_descriptor **bos); 502 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); 503 void libusb_free_usb_2_0_extension_descriptor(struct libusb_usb_2_0_extension_descriptor *usb_2_0_extension); 504 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); 505 void libusb_free_ss_usb_device_capability_descriptor(struct libusb_ss_usb_device_capability_descriptor *ss_usb_device_capability); 506 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); 507 void libusb_free_container_id_descriptor(struct libusb_container_id_descriptor *container_id); 508 509 /* Asynchronous device I/O */ 510 511 struct libusb_transfer *libusb_alloc_transfer(int iso_packets); 512 void libusb_free_transfer(struct libusb_transfer *transfer); 513 int libusb_submit_transfer(struct libusb_transfer *transfer); 514 int libusb_cancel_transfer(struct libusb_transfer *transfer); 515 uint8_t *libusb_get_iso_packet_buffer(struct libusb_transfer *transfer, uint32_t index); 516 uint8_t *libusb_get_iso_packet_buffer_simple(struct libusb_transfer *transfer, uint32_t index); 517 void libusb_set_iso_packet_lengths(struct libusb_transfer *transfer, uint32_t length); 518 uint8_t *libusb_control_transfer_get_data(struct libusb_transfer *transfer); 519 struct libusb_control_setup *libusb_control_transfer_get_setup(struct libusb_transfer *transfer); 520 void libusb_fill_control_setup(uint8_t *buf, uint8_t bmRequestType, uint8_t bRequest, uint16_t wValue, uint16_t wIndex, uint16_t wLength); 521 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); 522 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); 523 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); 524 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); 525 526 /* Polling and timing */ 527 528 int libusb_try_lock_events(libusb_context * ctx); 529 void libusb_lock_events(libusb_context * ctx); 530 void libusb_unlock_events(libusb_context * ctx); 531 int libusb_event_handling_ok(libusb_context * ctx); 532 int libusb_event_handler_active(libusb_context * ctx); 533 void libusb_lock_event_waiters(libusb_context * ctx); 534 void libusb_unlock_event_waiters(libusb_context * ctx); 535 int libusb_wait_for_event(libusb_context * ctx, struct timeval *tv); 536 int libusb_handle_events_timeout_completed(libusb_context * ctx, struct timeval *tv, int *completed); 537 int libusb_handle_events_completed(libusb_context * ctx, int *completed); 538 int libusb_handle_events_timeout(libusb_context * ctx, struct timeval *tv); 539 int libusb_handle_events(libusb_context * ctx); 540 int libusb_handle_events_locked(libusb_context * ctx, struct timeval *tv); 541 int libusb_get_next_timeout(libusb_context * ctx, struct timeval *tv); 542 void libusb_set_pollfd_notifiers(libusb_context * ctx, libusb_pollfd_added_cb added_cb, libusb_pollfd_removed_cb removed_cb, void *user_data); 543 const struct libusb_pollfd **libusb_get_pollfds(libusb_context * ctx); 544 545 /* Synchronous device I/O */ 546 547 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); 548 int libusb_bulk_transfer(libusb_device_handle * devh, uint8_t endpoint, uint8_t *data, int length, int *transferred, uint32_t timeout); 549 int libusb_interrupt_transfer(libusb_device_handle * devh, uint8_t endpoint, uint8_t *data, int length, int *transferred, uint32_t timeout); 550 551 /* Byte-order */ 552 553 uint16_t libusb_cpu_to_le16(uint16_t x); 554 uint16_t libusb_le16_to_cpu(uint16_t x); 555 556 /* Hotplug support */ 557 558 typedef int (*libusb_hotplug_callback_fn)(libusb_context *ctx, 559 libusb_device *device, libusb_hotplug_event event, void *user_data); 560 561 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); 562 void libusb_hotplug_deregister_callback(libusb_context *ctx, libusb_hotplug_callback_handle handle); 563 564 /* Streams support */ 565 566 int libusb_alloc_streams(libusb_device_handle *dev, uint32_t num_streams, unsigned char *endpoints, int num_endpoints); 567 int libusb_free_streams(libusb_device_handle *dev, unsigned char *endpoints, int num_endpoints); 568 void libusb_transfer_set_stream_id(struct libusb_transfer *transfer, uint32_t stream_id); 569 uint32_t libusb_transfer_get_stream_id(struct libusb_transfer *transfer); 570 571 #if 0 572 { /* indent fix */ 573 #endif 574 #ifdef __cplusplus 575 } 576 577 #endif 578 579 #endif /* __LIBUSB_H__ */ 580