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 #if defined(__cplusplus) 33 extern "C" { 34 #endif 35 36 typedef struct usb_handle usb_handle; 37 38 typedef struct usb_ifc_info usb_ifc_info; 39 40 struct usb_ifc_info 41 { 42 /* from device descriptor */ 43 unsigned short dev_vendor; 44 unsigned short dev_product; 45 46 unsigned char dev_class; 47 unsigned char dev_subclass; 48 unsigned char dev_protocol; 49 50 unsigned char ifc_class; 51 unsigned char ifc_subclass; 52 unsigned char ifc_protocol; 53 54 unsigned char has_bulk_in; 55 unsigned char has_bulk_out; 56 57 unsigned char writable; 58 59 char serial_number[256]; 60 char device_path[256]; 61 }; 62 63 typedef int (*ifc_match_func)(usb_ifc_info *ifc); 64 65 usb_handle *usb_open(ifc_match_func callback); 66 int usb_close(usb_handle *h); 67 int usb_read(usb_handle *h, void *_data, int len); 68 int usb_write(usb_handle *h, const void *_data, int len); 69 int usb_wait_for_disconnect(usb_handle *h); 70 71 #if defined(__cplusplus) 72 } 73 #endif 74 75 #endif 76
