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 #pragma once 30 31 #include <functional> 32 #include <memory> 33 34 #include "transport.h" 35 36 struct usb_ifc_info { 37 /* from device descriptor */ 38 unsigned short dev_vendor; 39 unsigned short dev_product; 40 41 unsigned char dev_class; 42 unsigned char dev_subclass; 43 unsigned char dev_protocol; 44 45 unsigned char ifc_class; 46 unsigned char ifc_subclass; 47 unsigned char ifc_protocol; 48 49 unsigned char has_bulk_in; 50 unsigned char has_bulk_out; 51 52 unsigned char writable; 53 54 char serial_number[256]; 55 char device_path[256]; 56 57 char interface[256]; 58 }; 59 60 class UsbTransport : public Transport { 61 // Resets the underlying transport. Returns 0 on success. 62 // This effectively simulates unplugging and replugging 63 public: 64 virtual int Reset() = 0; 65 }; 66 67 typedef std::function<int(usb_ifc_info*)> ifc_match_func; 68 69 // 0 is non blocking 70 std::unique_ptr<UsbTransport> usb_open(ifc_match_func callback, uint32_t timeout_ms = 0); 71