usb.h revision b4add9b74525210478bac702d27fdaf9cf7ab18f 
1/*
2 * Copyright (C) 2008 The Android Open Source Project
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 *  * Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 *  * Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in
12 *    the documentation and/or other materials provided with the
13 *    distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#ifndef _USB_H_
30#define _USB_H_
31
32typedef struct usb_handle usb_handle;
33
34typedef struct usb_ifc_info usb_ifc_info;
35
36struct usb_ifc_info
37{
38        /* from device descriptor */
39    unsigned short dev_vendor;
40    unsigned short dev_product;
41
42    unsigned char dev_class;
43    unsigned char dev_subclass;
44    unsigned char dev_protocol;
45
46    unsigned char ifc_class;
47    unsigned char ifc_subclass;
48    unsigned char ifc_protocol;
49
50    unsigned char has_bulk_in;
51    unsigned char has_bulk_out;
52
53    unsigned char writable;
54
55    char serial_number[256];
56};
57
58typedef int (*ifc_match_func)(usb_ifc_info *ifc);
59
60usb_handle *usb_open(ifc_match_func callback);
61int usb_close(usb_handle *h);
62int usb_read(usb_handle *h, void *_data, int len);
63int usb_write(usb_handle *h, const void *_data, int len);
64
65
66#endif
67