source: mainline/uspace/lib/usb/usb.h@ 7a7bfeb3

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 7a7bfeb3 was 7a7bfeb3, checked in by Vojtech Horky <vojtechhorky@…>, 15 years ago

Virtual USB overhaul almost complete

The virtual HC, hub and keyboard are rewritten after changes to HCD API.
Comments will be added later.

  • Property mode set to 100644
File size: 2.5 KB
RevLine 
[fd17ab5]1/*
2 * Copyright (c) 2010 Vojtech Horky
3 * 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 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - 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 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/** @addtogroup libusb usb
30 * @{
31 */
32/** @file
33 * @brief Base USB types.
34 */
35#ifndef LIBUSB_USB_H_
36#define LIBUSB_USB_H_
37
38#include <sys/types.h>
39
40/** USB transfer type. */
41typedef enum {
42 USB_TRANSFER_CONTROL = 0,
43 USB_TRANSFER_ISOCHRONOUS = 1,
44 USB_TRANSFER_BULK = 2,
45 USB_TRANSFER_INTERRUPT = 3
46} usb_transfer_type_t;
47
48const char * usb_str_transfer_type(usb_transfer_type_t t);
49
50/** USB data transfer direction. */
51typedef enum {
52 USB_DIRECTION_IN,
53 USB_DIRECTION_OUT
54} usb_direction_t;
55
56/** USB address type.
57 * Negative values could be used to indicate error.
58 */
59typedef int usb_address_t;
60
61/** USB endpoint number type.
62 * Negative values could be used to indicate error.
63 */
64typedef int usb_endpoint_t;
65
[7a7bfeb3]66/** Maximum endpoint number in USB 1.1.
67 */
68#define USB11_ENDPOINT_MAX 16
69
70
[fd17ab5]71/** USB complete address type.
72 * Pair address + endpoint is identification of transaction recipient.
73 */
74typedef struct {
75 usb_address_t address;
76 usb_endpoint_t endpoint;
77} usb_target_t;
78
79static inline int usb_target_same(usb_target_t a, usb_target_t b)
80{
81 return (a.address == b.address)
82 && (a.endpoint == b.endpoint);
83}
84
85#endif
86/**
87 * @}
88 */
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