388 lines
13 KiB
C
388 lines
13 KiB
C
/* $FreeBSD$ */
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/*-
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* Copyright (c) 2009 Sylvestre Gallon. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef __LIBUSB_H__
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#define __LIBUSB_H__
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#include <sys/time.h>
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#include <sys/types.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if 0
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} /* indent fix */
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#endif
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/* libusb enums */
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enum libusb_class_code {
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LIBUSB_CLASS_PER_INTERFACE = 0,
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LIBUSB_CLASS_AUDIO = 1,
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LIBUSB_CLASS_COMM = 2,
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LIBUSB_CLASS_HID = 3,
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LIBUSB_CLASS_PTP = 6,
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LIBUSB_CLASS_PRINTER = 7,
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LIBUSB_CLASS_MASS_STORAGE = 8,
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LIBUSB_CLASS_HUB = 9,
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LIBUSB_CLASS_DATA = 10,
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LIBUSB_CLASS_VENDOR_SPEC = 0xff,
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};
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enum libusb_descriptor_type {
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LIBUSB_DT_DEVICE = 0x01,
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LIBUSB_DT_CONFIG = 0x02,
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LIBUSB_DT_STRING = 0x03,
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LIBUSB_DT_INTERFACE = 0x04,
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LIBUSB_DT_ENDPOINT = 0x05,
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LIBUSB_DT_HID = 0x21,
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LIBUSB_DT_REPORT = 0x22,
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LIBUSB_DT_PHYSICAL = 0x23,
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LIBUSB_DT_HUB = 0x29,
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};
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#define LIBUSB_DT_DEVICE_SIZE 18
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#define LIBUSB_DT_CONFIG_SIZE 9
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#define LIBUSB_DT_INTERFACE_SIZE 9
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#define LIBUSB_DT_ENDPOINT_SIZE 7
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#define LIBUSB_DT_ENDPOINT_AUDIO_SIZE 9
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#define LIBUSB_DT_HUB_NONVAR_SIZE 7
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#define LIBUSB_ENDPOINT_ADDRESS_MASK 0x0f
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#define LIBUSB_ENDPOINT_DIR_MASK 0x80
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enum libusb_endpoint_direction {
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LIBUSB_ENDPOINT_IN = 0x80,
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LIBUSB_ENDPOINT_OUT = 0x00,
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};
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#define LIBUSB_TRANSFER_TYPE_MASK 0x03
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enum libusb_transfer_type {
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LIBUSB_TRANSFER_TYPE_CONTROL = 0,
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LIBUSB_TRANSFER_TYPE_ISOCHRONOUS = 1,
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LIBUSB_TRANSFER_TYPE_BULK = 2,
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LIBUSB_TRANSFER_TYPE_INTERRUPT = 3,
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};
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enum libusb_standard_request {
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LIBUSB_REQUEST_GET_STATUS = 0x00,
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LIBUSB_REQUEST_CLEAR_FEATURE = 0x01,
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LIBUSB_REQUEST_SET_FEATURE = 0x03,
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LIBUSB_REQUEST_SET_ADDRESS = 0x05,
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LIBUSB_REQUEST_GET_DESCRIPTOR = 0x06,
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LIBUSB_REQUEST_SET_DESCRIPTOR = 0x07,
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LIBUSB_REQUEST_GET_CONFIGURATION = 0x08,
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LIBUSB_REQUEST_SET_CONFIGURATION = 0x09,
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LIBUSB_REQUEST_GET_INTERFACE = 0x0A,
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LIBUSB_REQUEST_SET_INTERFACE = 0x0B,
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LIBUSB_REQUEST_SYNCH_FRAME = 0x0C,
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};
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enum libusb_request_type {
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LIBUSB_REQUEST_TYPE_STANDARD = (0x00 << 5),
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LIBUSB_REQUEST_TYPE_CLASS = (0x01 << 5),
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LIBUSB_REQUEST_TYPE_VENDOR = (0x02 << 5),
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LIBUSB_REQUEST_TYPE_RESERVED = (0x03 << 5),
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};
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enum libusb_request_recipient {
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LIBUSB_RECIPIENT_DEVICE = 0x00,
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LIBUSB_RECIPIENT_INTERFACE = 0x01,
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LIBUSB_RECIPIENT_ENDPOINT = 0x02,
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LIBUSB_RECIPIENT_OTHER = 0x03,
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};
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#define LIBUSB_ISO_SYNC_TYPE_MASK 0x0C
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enum libusb_iso_sync_type {
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LIBUSB_ISO_SYNC_TYPE_NONE = 0,
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LIBUSB_ISO_SYNC_TYPE_ASYNC = 1,
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LIBUSB_ISO_SYNC_TYPE_ADAPTIVE = 2,
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LIBUSB_ISO_SYNC_TYPE_SYNC = 3,
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};
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#define LIBUSB_ISO_USAGE_TYPE_MASK 0x30
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enum libusb_iso_usage_type {
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LIBUSB_ISO_USAGE_TYPE_DATA = 0,
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LIBUSB_ISO_USAGE_TYPE_FEEDBACK = 1,
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LIBUSB_ISO_USAGE_TYPE_IMPLICIT = 2,
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};
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enum libusb_error {
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LIBUSB_SUCCESS = 0,
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LIBUSB_ERROR_IO = -1,
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LIBUSB_ERROR_INVALID_PARAM = -2,
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LIBUSB_ERROR_ACCESS = -3,
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LIBUSB_ERROR_NO_DEVICE = -4,
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LIBUSB_ERROR_NOT_FOUND = -5,
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LIBUSB_ERROR_BUSY = -6,
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LIBUSB_ERROR_TIMEOUT = -7,
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LIBUSB_ERROR_OVERFLOW = -8,
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LIBUSB_ERROR_PIPE = -9,
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LIBUSB_ERROR_INTERRUPTED = -10,
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LIBUSB_ERROR_NO_MEM = -11,
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LIBUSB_ERROR_NOT_SUPPORTED = -12,
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LIBUSB_ERROR_OTHER = -99,
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};
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enum libusb_transfer_status {
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LIBUSB_TRANSFER_COMPLETED,
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LIBUSB_TRANSFER_ERROR,
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LIBUSB_TRANSFER_TIMED_OUT,
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LIBUSB_TRANSFER_CANCELLED,
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LIBUSB_TRANSFER_STALL,
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LIBUSB_TRANSFER_NO_DEVICE,
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LIBUSB_TRANSFER_OVERFLOW,
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};
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enum libusb_transfer_flags {
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LIBUSB_TRANSFER_SHORT_NOT_OK = 1 << 0,
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LIBUSB_TRANSFER_FREE_BUFFER = 1 << 1,
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LIBUSB_TRANSFER_FREE_TRANSFER = 1 << 2,
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};
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enum libusb_debug_level {
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LIBUSB_DEBUG_NO=0,
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LIBUSB_DEBUG_FUNCTION=1,
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LIBUSB_DEBUG_TRANSFER=2,
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};
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/* libusb structures */
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struct libusb_context;
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struct libusb_device;
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struct libusb_transfer;
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struct libusb_device_handle;
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struct libusb_pollfd {
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int fd;
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short events;
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};
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typedef struct libusb_context libusb_context;
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typedef struct libusb_device libusb_device;
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typedef struct libusb_device_handle libusb_device_handle;
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typedef struct libusb_pollfd libusb_pollfd;
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typedef void (*libusb_pollfd_added_cb) (int fd, short events, void *user_data);
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typedef void (*libusb_pollfd_removed_cb) (int fd, void *user_data);
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typedef struct libusb_device_descriptor {
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uint8_t bLength;
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uint8_t bDescriptorType;
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uint16_t bcdUSB;
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uint8_t bDeviceClass;
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uint8_t bDeviceSubClass;
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uint8_t bDeviceProtocol;
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uint8_t bMaxPacketSize0;
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uint16_t idVendor;
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uint16_t idProduct;
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uint16_t bcdDevice;
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uint8_t iManufacturer;
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uint8_t iProduct;
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uint8_t iSerialNumber;
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uint8_t bNumConfigurations;
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} libusb_device_descriptor;
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typedef struct libusb_endpoint_descriptor {
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uint8_t bLength;
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uint8_t bDescriptorType;
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uint8_t bEndpointAddress;
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uint8_t bmAttributes;
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uint16_t wMaxPacketSize;
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uint8_t bInterval;
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uint8_t bRefresh;
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uint8_t bSynchAddress;
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uint8_t *extra;
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int extra_length;
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} libusb_endpoint_descriptor __aligned(sizeof(void *));
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typedef struct libusb_interface_descriptor {
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uint8_t bLength;
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uint8_t bDescriptorType;
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uint8_t bInterfaceNumber;
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uint8_t bAlternateSetting;
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uint8_t bNumEndpoints;
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uint8_t bInterfaceClass;
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uint8_t bInterfaceSubClass;
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uint8_t bInterfaceProtocol;
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uint8_t iInterface;
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struct libusb_endpoint_descriptor *endpoint;
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uint8_t *extra;
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int extra_length;
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} libusb_interface_descriptor __aligned(sizeof(void *));
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typedef struct libusb_interface {
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struct libusb_interface_descriptor *altsetting;
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int num_altsetting;
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} libusb_interface __aligned(sizeof(void *));
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typedef struct libusb_config_descriptor {
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uint8_t bLength;
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uint8_t bDescriptorType;
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uint16_t wTotalLength;
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uint8_t bNumInterfaces;
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uint8_t bConfigurationValue;
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uint8_t iConfiguration;
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uint8_t bmAttributes;
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uint8_t MaxPower;
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struct libusb_interface *interface;
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uint8_t *extra;
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int extra_length;
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} libusb_config_descriptor __aligned(sizeof(void *));
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typedef struct libusb_control_setup {
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uint8_t bmRequestType;
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uint8_t bRequest;
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uint16_t wValue;
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uint16_t wIndex;
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uint16_t wLength;
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} libusb_control_setup;
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#define LIBUSB_CONTROL_SETUP_SIZE 8 /* bytes */
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typedef struct libusb_iso_packet_descriptor {
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uint32_t length;
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uint32_t actual_length;
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enum libusb_transfer_status status;
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} libusb_iso_packet_descriptor __aligned(sizeof(void *));
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typedef void (*libusb_transfer_cb_fn) (struct libusb_transfer *transfer);
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typedef struct libusb_transfer {
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libusb_device_handle *dev_handle;
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uint8_t flags;
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uint32_t endpoint;
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uint8_t type;
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uint32_t timeout;
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enum libusb_transfer_status status;
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int length;
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int actual_length;
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libusb_transfer_cb_fn callback;
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void *user_data;
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uint8_t *buffer;
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void *os_priv;
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int num_iso_packets;
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struct libusb_iso_packet_descriptor iso_packet_desc[0];
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} libusb_transfer __aligned(sizeof(void *));
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/* Library initialisation */
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void libusb_set_debug(libusb_context * ctx, int level);
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int libusb_init(libusb_context ** context);
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void libusb_exit(struct libusb_context *ctx);
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/* Device handling and enumeration */
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ssize_t libusb_get_device_list(libusb_context * ctx, libusb_device *** list);
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void libusb_free_device_list(libusb_device ** list, int unref_devices);
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uint8_t libusb_get_bus_number(libusb_device * dev);
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uint8_t libusb_get_device_address(libusb_device * dev);
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int libusb_clear_halt(libusb_device_handle *devh, uint8_t endpoint);
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int libusb_get_max_packet_size(libusb_device * dev, uint8_t endpoint);
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libusb_device *libusb_ref_device(libusb_device * dev);
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void libusb_unref_device(libusb_device * dev);
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int libusb_open(libusb_device * dev, libusb_device_handle ** devh);
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libusb_device_handle *libusb_open_device_with_vid_pid(libusb_context * ctx, uint16_t vendor_id, uint16_t product_id);
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void libusb_close(libusb_device_handle * devh);
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libusb_device *libusb_get_device(libusb_device_handle * devh);
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int libusb_get_configuration(libusb_device_handle * devh, int *config);
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int libusb_set_configuration(libusb_device_handle * devh, int configuration);
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int libusb_claim_interface(libusb_device_handle * devh, int interface_number);
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int libusb_release_interface(libusb_device_handle * devh, int interface_number);
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int libusb_reset_device(libusb_device_handle * devh);
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int libusb_kernel_driver_active(libusb_device_handle * devh, int interface);
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int libusb_detach_kernel_driver(libusb_device_handle * devh, int interface);
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int libusb_attach_kernel_driver(libusb_device_handle * devh, int interface);
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int libusb_set_interface_alt_setting(libusb_device_handle * devh, int interface_number, int alternate_setting);
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/* USB Descriptors */
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int libusb_get_device_descriptor(libusb_device * dev, struct libusb_device_descriptor *desc);
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int libusb_get_active_config_descriptor(libusb_device * dev, struct libusb_config_descriptor **config);
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int libusb_get_config_descriptor(libusb_device * dev, uint8_t config_index, struct libusb_config_descriptor **config);
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int libusb_get_config_descriptor_by_value(libusb_device * dev, uint8_t bConfigurationValue, struct libusb_config_descriptor **config);
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void libusb_free_config_descriptor(struct libusb_config_descriptor *config);
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int libusb_get_string_descriptor_ascii(libusb_device_handle * devh, uint8_t desc_index, uint8_t *data, int length);
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int libusb_get_descriptor(libusb_device_handle * devh, uint8_t desc_type, uint8_t desc_index, uint8_t *data, int length);
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/* Asynchronous device I/O */
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struct libusb_transfer *libusb_alloc_transfer(int iso_packets);
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void libusb_free_transfer(struct libusb_transfer *transfer);
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int libusb_submit_transfer(struct libusb_transfer *transfer);
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int libusb_cancel_transfer(struct libusb_transfer *transfer);
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uint8_t *libusb_get_iso_packet_buffer(struct libusb_transfer *transfer, uint32_t index);
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uint8_t *libusb_get_iso_packet_buffer_simple(struct libusb_transfer *transfer, uint32_t index);
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void libusb_set_iso_packet_lengths(struct libusb_transfer *transfer, uint32_t length);
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uint8_t *libusb_control_transfer_get_data(struct libusb_transfer *transfer);
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struct libusb_control_setup *libusb_control_transfer_get_setup(struct libusb_transfer *transfer);
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void libusb_fill_control_setup(uint8_t *buf, uint8_t bmRequestType, uint8_t bRequest, uint16_t wValue, uint16_t wIndex, uint16_t wLength);
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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);
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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);
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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);
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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);
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/* Polling and timing */
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int libusb_try_lock_events(libusb_context * ctx);
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void libusb_lock_events(libusb_context * ctx);
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void libusb_unlock_events(libusb_context * ctx);
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int libusb_event_handling_ok(libusb_context * ctx);
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int libusb_event_handler_active(libusb_context * ctx);
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void libusb_lock_event_waiters(libusb_context * ctx);
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void libusb_unlock_event_waiters(libusb_context * ctx);
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int libusb_wait_for_event(libusb_context * ctx, struct timeval *tv);
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int libusb_handle_events_timeout(libusb_context * ctx, struct timeval *tv);
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int libusb_handle_events(libusb_context * ctx);
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int libusb_handle_events_locked(libusb_context * ctx, struct timeval *tv);
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int libusb_get_next_timeout(libusb_context * ctx, struct timeval *tv);
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void libusb_set_pollfd_notifiers(libusb_context * ctx, libusb_pollfd_added_cb added_cb, libusb_pollfd_removed_cb removed_cb, void *user_data);
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struct libusb_pollfd **libusb_get_pollfds(libusb_context * ctx);
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/* Synchronous device I/O */
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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);
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int libusb_bulk_transfer(libusb_device_handle * devh, uint8_t endpoint, uint8_t *data, int length, int *transferred, uint32_t timeout);
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int libusb_interrupt_transfer(libusb_device_handle * devh, uint8_t endpoint, uint8_t *data, int length, int *transferred, uint32_t timeout);
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/* Byte-order */
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uint16_t libusb_cpu_to_le16(uint16_t x);
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uint16_t libusb_le16_to_cpu(uint16_t x);
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#if 0
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{ /* indent fix */
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* __LIBUSB_H__ */
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