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 32 typedef struct usb_handle usb_handle; 33 34 typedef struct usb_ifc_info usb_ifc_info; 35 36 struct 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 char device_path[256]; 57 }; 58 59 typedef int (*ifc_match_func)(usb_ifc_info *ifc); 60 61 usb_handle *usb_open(ifc_match_func callback); 62 int usb_close(usb_handle *h); 63 int usb_read(usb_handle *h, void *_data, int len); 64 int usb_write(usb_handle *h, const void *_data, int len); 65 66 67 #endif 68