| /* | 
 |  * Copyright (C) 2008 The Android Open Source Project | 
 |  * All rights reserved. | 
 |  * | 
 |  * Redistribution and use in source and binary forms, with or without | 
 |  * modification, are permitted provided that the following conditions | 
 |  * are met: | 
 |  *  * Redistributions of source code must retain the above copyright | 
 |  *    notice, this list of conditions and the following disclaimer. | 
 |  *  * Redistributions in binary form must reproduce the above copyright | 
 |  *    notice, this list of conditions and the following disclaimer in | 
 |  *    the documentation and/or other materials provided with the  | 
 |  *    distribution. | 
 |  * | 
 |  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | 
 |  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | 
 |  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | 
 |  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | 
 |  * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, | 
 |  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | 
 |  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS | 
 |  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  | 
 |  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | 
 |  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT | 
 |  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | 
 |  * SUCH DAMAGE. | 
 |  */ | 
 |  | 
 | #ifndef _USB_H_ | 
 | #define _USB_H_ | 
 |  | 
 | typedef struct usb_handle usb_handle; | 
 |  | 
 | typedef struct usb_ifc_info usb_ifc_info; | 
 |  | 
 | struct usb_ifc_info | 
 | { | 
 |         /* from device descriptor */ | 
 |     unsigned short dev_vendor; | 
 |     unsigned short dev_product; | 
 |  | 
 |     unsigned char dev_class; | 
 |     unsigned char dev_subclass; | 
 |     unsigned char dev_protocol; | 
 |      | 
 |     unsigned char ifc_class; | 
 |     unsigned char ifc_subclass; | 
 |     unsigned char ifc_protocol; | 
 |  | 
 |     unsigned char has_bulk_in; | 
 |     unsigned char has_bulk_out; | 
 |      | 
 |     unsigned char writable; | 
 |  | 
 |     char serial_number[256]; | 
 | }; | 
 |    | 
 | typedef int (*ifc_match_func)(usb_ifc_info *ifc); | 
 |  | 
 | usb_handle *usb_open(ifc_match_func callback); | 
 | int usb_close(usb_handle *h); | 
 | int usb_read(usb_handle *h, void *_data, int len); | 
 | int usb_write(usb_handle *h, const void *_data, int len); | 
 |  | 
 |  | 
 | #endif |