platform_hardware_interfaces/usb/gadget/1.0/IUsbGadget.hal
Badhri Jagan Sridharan 4a93dec03c Usb: HIDL: UsbGadget hal
Hal interface for runtime management of USB gadget confiuguration.

Bug: 63669128
Test: Manually tested usb gadget hal for usb configurations
Change-Id: I1913dd5b99fdf4d710a2b0695c616c1d27575c53
2018-01-22 19:23:51 +00:00

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/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.hardware.usb.gadget@1.0;
import IUsbGadgetCallback;
interface IUsbGadget {
/**
* This function is used to set the current USB gadget configuration.
* Usb gadget needs to teared down if an USB configuration is already
* active.
*
* @param functions list of functions defined by GadgetFunction to be
* included in the gadget composition.
* @param callback IUsbGadgetCallback::setCurrentUsbFunctionsCb used to
* propagate back the status.
* @param timeout The maximum time (in milliseconds) within which the
* IUsbGadgetCallback needs to be returned.
*/
oneway setCurrentUsbFunctions(bitfield<GadgetFunction> functions,
IUsbGadgetCallback callback,
uint64_t timeout);
/**
* This function is used to query the USB functions included in the
* current USB configuration.
*
* @param callback IUsbGadgetCallback::getCurrentUsbFunctionsCb used to
* propagate the current functions list.
*/
oneway getCurrentUsbFunctions(IUsbGadgetCallback callback);
};