1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #pragma once 18 19 // USB host/client interface. 20 21 #define ADB_USB_INTERFACE(handle_ref_type) \ 22 void usb_init(); \ 23 int usb_write(handle_ref_type h, const void* data, int len); \ 24 int usb_read(handle_ref_type h, void* data, int len); \ 25 int usb_close(handle_ref_type h); \ 26 void usb_kick(handle_ref_type h) 27 28 #if defined(_WIN32) || !ADB_HOST 29 // Windows and the daemon have a single implementation. 30 31 struct usb_handle; 32 ADB_USB_INTERFACE(usb_handle*); 33 34 #else // linux host || darwin 35 // Linux and Darwin clients have native and libusb implementations. 36 37 namespace libusb { 38 struct usb_handle; 39 ADB_USB_INTERFACE(libusb::usb_handle*); 40 } 41 42 namespace native { 43 struct usb_handle; 44 ADB_USB_INTERFACE(native::usb_handle*); 45 } 46 47 // Empty base that both implementations' opaque handles inherit from. 48 struct usb_handle { 49 }; 50 51 ADB_USB_INTERFACE(::usb_handle*); 52 53 #endif // linux host || darwin 54 55 56 // USB device detection. 57 int is_adb_interface(int usb_class, int usb_subclass, int usb_protocol); 58 59 bool should_use_libusb(); 60