/*
* Copyright (c) 2025 Huawei Device Co., Ltd.
* 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.
*/
/* *
* @addtogroup HdiUsb
*
* @brief Provides unified APIs for usb services to access usb drivers.
*
* A usb service can obtain a usb driver object or agent and then call APIs provided by this object or agent to
* access different types of usb devices based on the usb IDs, thereby obtaining usb information,
* subscribing to or unsubscribing from usb data, enabling or disabling a usb,
* setting the usb data reporting mode, and setting usb options such as the accuracy and measurement range.
*
* @since 5.1
*/
/* *
* @file IUsbInterface.idl
*
* @brief Declares the APIs provided by the usb module for obtaining usb information, subscribing to or
* unsubscribing from usb data, enabling or disabling a usb, setting the usb data reporting mode,
* and setting usb options such as the accuracy and measurement range.
*
* @since 5.1
* @version 1.0
*/
package ohos.hdi.usb.v1_2;
import ohos.hdi.usb.v1_2.UsbTypes;
import ohos.hdi.usb.v1_2.IUsbdTransferCallback;
import ohos.hdi.usb.v1_1.UsbTypes;
import ohos.hdi.usb.v1_1.IUsbInterface;
/* *
* @brief Defines the functions for performing basic operations on usb.
*
* The operations include obtaining usb information, subscribing to or unsubscribing from usb data,
* enabling or disabling a usb, setting the usb data reporting mode, and setting usb options such as
* the accuracy and measurement range.
*/
interface IUsbInterface extends ohos.hdi.usb.v1_1.IUsbInterface{
/* *
* @brief Submit usb async transfer.
*
* @param dev Indicates the USB device address.
* @param info Indicates the param info of the USB transfer.
* @param cb Indicates the callback function of base.
* @param ashmem Indicates the object of share memory
*
* @return Returns 0 if the operation is successful; returns a non-0 value if the operation fails.
* @since 5.1
* @version 1.0
*/
UsbSubmitTransfer([in] struct UsbDev dev, [in] USBTransferInfo info, [in] IUsbdTransferCallback cb, [in] Ashmem ashmem);
/* *
* @brief Cancels the usb async transfer by endpoint.
*
* @param dev Indicates the USB device address.
* @param endpoint Indicates the endpoint address.
*
* @return Returns 0 if the operation is successful; returns a non-0 value if the operation fails.
* @since 5.1
* @version 1.0
*/
UsbCancelTransfer([in] struct UsbDev dev, [in] int endpoint);
}