/*
* Copyright (c) 2022 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 5.0
*/
/* *
* @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 5.0
* @version 1.1
*/
package ohos.hdi.usb.v1_1;
import ohos.hdi.usb.v1_1.UsbTypes;
import ohos.hdi.usb.v1_0.UsbTypes;
import ohos.hdi.usb.v1_0.IUsbdSubscriber;
import ohos.hdi.usb.v1_0.IUsbdBulkCallback;
import ohos.hdi.usb.v1_0.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_0.IUsbInterface{
/* *
* @brief Obtain the activation information of the USB device interface.
*
* @param dev Indicates the USB device address.
* @param interfaceid Indicates the interface ID of the USB device.
* @param unactivated Indicates whether the interface unactivated.
*
* @return Returns 0 if the operation is successful; returns a non-0 value if the operation fails.
* @since 5.0
*/
GetInterfaceActiveStatus ([in] struct UsbDev dev, [in] unsigned char interfaceid, [out] boolean unactivated );
/* *
* @brief Obtains USB device speed.
*
* @param dev Indicates the USB device address.
* @param speed Indicates the USB device speed.
*
* @return Returns 0 if the operation is successful; returns a non-0 value if the operation fails.
* @since 5.0
*/
GetDeviceSpeed ([in] struct UsbDev dev, [out] unsigned char speed );
/* *
* @brief Obtains the file descriptor.
*
* @param dev Indicates the USB device address.
* @param fd USB device file descriptor
*
* @return Returns 0 if the operation is successful; returns a non-0 value if the operation fails.
* @since 5.0
* @version 1.0
*/
GetDeviceFileDescriptor([in] struct UsbDev dev, [out] FileDescriptor fd);
/* *
* @brief Reads data on a specified endpoint during bulk transfer. The endpoint must be in the data reading
* direction. You can specify a timeout duration if needed.
*
* @param dev Indicates the USB device address.
* @param pipe Indicates the pipe of the USB device.
* @param timeout Indicates the timeout duration.
* @param length the maximum number of bytes to receive into the data buffer.
* @param data Indicates the read data.
*
* @return Returns 0 if the operation is successful; returns a non-0 value if the operation fails.
* @since 5.0
* @version 1.0
*/
BulkTransferReadwithLength([in] struct UsbDev dev, [in] struct UsbPipe pipe, [in] int timeout, [in] int length, [out] unsigned char[] data);
/* *
* @brief Performs control transfer for endpoint 0 of the device. The data transfer direction is determined by the
* request type. If the result of requestType&
* USB_ENDPOINT_DIR_MASK is USB_DIR_OUT, the endpoint is in the data writing direction; if the result
* is USB_DIR_IN, the endpoint is in the data reading direction.
*
* @param dev Indicates the USB device address.
* @param ctrl Indicates the control data packet structure.
* @param data Indicates the read data.
*
* @return Returns 0 if the operation is successful; returns a non-0 value if the operation fails.
* @since 5.0
* @version 1.0
*/
ControlTransferReadwithLength([in] struct UsbDev dev, [in] struct UsbCtrlTransferParams ctrl, [out] unsigned char[] data);
/* *
* @brief Get Accessory Info.
*
* @param accessoryInfo Indicates the accessory information.
*
* @return Returns 0 if the operation is successful; returns a non-0 value if the operation fails.
* @since 5.0
* @version 1.0
*/
GetAccessoryInfo([out] String[] accessoryInfo);
/* *
* @brief Open the Accessory descriptor.
*
* @param fd accessory file descriptor.
*
* @return Returns 0 if the operation is successful; returns a non-0 value if the operation fails.
* @since 5.0
* @version 1.0
*/
OpenAccessory([out] FileDescriptor fd);
/* *
* @brief Close the Accessory descriptor.
*
* @param fd accessory file descriptor.
*
* @return Returns 0 if the operation is successful; returns a non-0 value if the operation fails.
* @since 5.0
* @version 1.0
*/
CloseAccessory([in] FileDescriptor fd);
}