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      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 };
     57 
     58 typedef int (*ifc_match_func)(usb_ifc_info *ifc);
     59 
     60 usb_handle *usb_open(ifc_match_func callback);
     61 int usb_close(usb_handle *h);
     62 int usb_read(usb_handle *h, void *_data, int len);
     63 int usb_write(usb_handle *h, const void *_data, int len);
     64 
     65 
     66 #endif
     67