/*
* 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 3.2
*/
/* *
* @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 3.2
* @version 1.0
*/
package ohos.hdi.usb.v1_0;
import ohos.hdi.usb.v1_0.UsbTypes;
import ohos.hdi.usb.v1_0.IUsbdSubscriber;
import ohos.hdi.usb.v1_0.IUsbdBulkCallback;
/* *
* @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 {
/* *
* @brief Opens a USB device to set up a connection.
*
* @param dev Indicates the USB device address.
*
* @return Returns 0 if the operation is successful; returns a non-0 value if the operation fails.
* @since 3.2
*/
OpenDevice([in] struct UsbDev dev);
/* *
* @brief Closes a USB device to release all system resources related to the device.
*
* @param dev Indicates the USB device address.
*
* @return Returns 0 if the operation is successful; returns a non-0 value if the operation fails.
* @since 3.2
*/
CloseDevice([in] struct UsbDev dev);
/* *
* @brief Obtains the USB device descriptor.
*
* @param dev Indicates the USB device address.
* @param descriptor Indicates the USB device descriptor.
*
* @return Returns 0 if the operation is successful; returns a non-0 value if the operation fails.
* @since 3.2
*/
GetDeviceDescriptor([in] struct UsbDev dev, [out] unsigned char[] descriptor);
/* *
* @brief Obtains the string descriptor of a USB device based on the specified string ID.
*
* @param dev Indicates the USB device address.
* @param descId Indicates string descriptor ID.
* @param descriptor Indicates the configuration descriptor of the USB device.
*
* @return Returns 0 if the operation is successful; returns a non-0 value if the operation fails.
* @since 3.2
*/
GetStringDescriptor([in] struct UsbDev dev, [in] unsigned char descId, [out] unsigned char[] descriptor);
/* *
* @brief Obtains the configuration descriptor of a USB device based on the specified config ID.
*
* @param dev Indicates the USB device address.
* @param descId Indicates configuration descriptor ID.
* @param descriptor Indicates the configuration descriptor of the USB device.
*
* @return Returns 0 if the operation is successful; returns a non-0 value if the operation fails.
* @since 3.2
*/
GetConfigDescriptor([in] struct UsbDev dev, [in] unsigned char descId, [out] unsigned char[] descriptor);
/* *
* @brief Obtains the raw descriptor.
*
* @param dev Indicates the USB device address.
* @param descriptor Indicates the raw descriptor of the USB device.
*
* @return Returns 0 if the operation is successful; returns a non-0 value if the operation fails.
* @since 3.2
*/
GetRawDescriptor([in] struct UsbDev dev, [out] unsigned char[] descriptor);
/* *
* @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 3.2
* @deprecated since 5.0
* @useinstead ohos.hdi.usb.v1_1.IUsbInterface.GetDeviceFileDescriptor
*/
GetFileDescriptor([in] struct UsbDev dev, [out] int fd);
/* *
* @brief Sets the configuration information of a USB device.
*
* @param dev Indicates the USB device address.
* @param configIndex Indicates the configuration information of the USB device.
*
* @return Returns 0 if the operation is successful; returns a non-0 value if the operation fails.
* @since 3.2
*/
SetConfig([in] struct UsbDev dev, [in] unsigned char configIndex);
/* *
* @brief Obtains the configuration information of a USB device.
*
* @param dev Indicates the USB device address.
* @param configIndex Indicates the configuration information of the USB device.
*
* @return Returns 0 if the operation is successful; returns a non-0 value if the operation fails.
* @since 3.2
*/
GetConfig([in] struct UsbDev dev, [out] unsigned char configIndex);
/* *
* @brief Claims a USB interface exclusively. This must be done before data transfer.
*
* @param dev Indicates the USB device address.
* @param interfaceid Indicates the interface ID of the USB device.
* @param force Indicates whether to enable the force mode. The value 1 indicates that the force mode is
* enabled, and value 0 indicates the opposite.
*
* @return Returns 0 if the operation is successful; returns a non-0 value if the operation fails.
* @since 3.2
*/
ClaimInterface([in] struct UsbDev dev, [in] unsigned char interfaceid, [in] unsigned char force);
/* *
* @brief Manage a USB interface exclusively. Detach or attach the interface.
*
* @param dev Indicates the USB device address.
* @param interfaceid Indicates the interface ID of the USB device.
* @param disable Indicates whether to disable the interface.
*
* @return Returns 0 if the operation is successful; returns a non-0 value if the operation fails.
* @since 3.2
*/
ManageInterface([in] struct UsbDev dev, [in] unsigned char interfaceid, [in] boolean disable);
/* *
* @brief Releases a USB interface. This is usually done after data transfer.
*
* @param dev Indicates the USB device address.
* @param interfaceid Indicates the interface ID of the USB device.
*
* @return Returns 0 if the operation is successful; returns a non-0 value if the operation fails.
* @since 3.2
*/
ReleaseInterface([in] struct UsbDev dev, [in] unsigned char interfaceid);
/* *
* @brief Sets the alternate settings for the specified USB interface. This allows you to switch between two
* interfaces with the same ID but different alternate settings.
*
* @param dev Indicates the USB device address.
* @param interfaceid Indicates the interface ID of the USB device.
* @param altIndex Indicates the alternate settings of the USB interface.
*
* @return Returns 0 if the operation is successful; returns a non-0 value if the operation fails.
* @since 3.2
*/
SetInterface([in] struct UsbDev dev, [in] unsigned char interfaceid, [in] unsigned char altIndex);
/* *
* @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 data Indicates the read data.
*
* @return Returns 0 if the operation is successful; returns a non-0 value if the operation fails.
* @since 3.2
* @deprecated since 5.0
* @useinstead ohos.hdi.usb.v1_1.IUsbInterface.BulkTransferReadwithLength
*/
BulkTransferRead([in] struct UsbDev dev, [in] struct UsbPipe pipe, [in] int timeout, [out] unsigned char[] data);
/* *
* @brief Writes data on a specified endpoint during bulk transfer. The endpoint must be in the data writing
* direction.
*
* @param dev Indicates the USB device address.
* @param pipe Indicates the pipe of the USB device.
* @param timeout Indicates the timeout duration.
* @param data Indicates the written data.
*
* @return Returns 0 if the operation is successful; returns a non-0 value if the operation fails.
* @since 3.2
*/
BulkTransferWrite([in] struct UsbDev dev, [in] struct UsbPipe pipe, [in] int timeout, [in] 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 3.2
* @deprecated since 5.0
* @useinstead ohos.hdi.usb.v1_1.IUsbInterface.ControlTransferReadwithLength
*/
ControlTransferRead([in] struct UsbDev dev, [in] struct UsbCtrlTransfer ctrl, [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 writing direction.
*
* @param dev Indicates the USB device address.
* @param ctrl Indicates the control data packet structure.
* @param data Indicates the write data.
*
* @return Returns 0 if the operation is successful; returns a non-0 value if the operation fails.
* @since 3.2
*/
ControlTransferWrite([in] struct UsbDev dev, [in] struct UsbCtrlTransfer ctrl, [in] unsigned char[] data);
/* *
* @brief Reads data on a specified endpoint during interrupt transfer. The endpoint must be in the data reading
* direction.
*
* @param dev Indicates the USB device address.
* @param pipe Indicates the pipe of the USB device.
* @param timeout Indicates the timeout duration.
* @param data Indicates the read data.
*
* @return Returns 0 if the operation is successful; returns a non-0 value if the operation fails.
* @since 3.2
*/
InterruptTransferRead([in] struct UsbDev dev, [in] struct UsbPipe pipe, [in] int timeout, [out] unsigned char[] data);
/* *
* @brief Writes data on a specified endpoint during interrupt transfer. The endpoint must be in the data writing
* direction.
*
* @param dev Indicates the USB device address.
* @param pipe Indicates the pipe of the USB device.
* @param timeout Indicates the timeout duration.
* @param data Indicates the read data.
*
* @return Returns 0 if the operation is successful; returns a non-0 value if the operation fails.
* @since 3.2
*/
InterruptTransferWrite([in] struct UsbDev dev, [in] struct UsbPipe pipe, [in] int timeout, [in] unsigned char[] data);
/* *
* @brief Reads data on a specified endpoint during isochronous transfer. The endpoint must be in the data reading
* direction.
*
* @param dev Indicates the USB device address.
* @param pipe Indicates the pipe of the USB device.
* @param timeout Indicates the timeout duration.
* @param data Indicates the read data.
*
* @return Returns 0 if the operation is successful; returns a non-0 value if the operation fails.
* @since 3.2
*/
IsoTransferRead([in] struct UsbDev dev, [in] struct UsbPipe pipe, [in] int timeout, [out] unsigned char[] data);
/* *
* @brief Writes data on a specified endpoint during isochronous transfer. The endpoint must be in the data writing
* direction.
*
* @param dev Indicates the USB device address.
* @param pipe Indicates the pipe of the USB device.
* @param timeout Indicates the timeout duration.
* @param data Indicates the read data.
*
* @return Returns 0 if the operation is successful; returns a non-0 value if the operation fails.
* @since 3.2
*/
IsoTransferWrite([in] struct UsbDev dev, [in] struct UsbPipe pipe, [in] int timeout, [in] unsigned char[] data);
/* *
* @brief Sends or receives requests for isochronous transfer on a specified endpoint. The data transfer direction
* is determined by the endpoint direction.
*
* @param dev Indicates the USB device address.
* @param pipe Indicates the pipe of the USB device.
* @param clientData Indicates the client data.
* @param buffer Indicates the transferred data.
*
* @return Returns 0 if the operation is successful; returns a non-0 value if the operation fails.
* @since 3.2
*/
RequestQueue([in] struct UsbDev dev, [in] struct UsbPipe pipe, [in] unsigned char[] clientData, [in] unsigned char[] buffer);
/* *
* @brief Waits for the operation result of the isochronous transfer request in RequestQueue.
*
* @param dev Indicates the USB device address.
* @param clientData Indicates the client data.
* @param buffer Indicates the transferred data.
* @param timeout Indicates the timeout duration.
*
* @return Returns 0 if the operation is successful; returns a non-0 value if the operation fails.
* @since 3.2
*/
RequestWait([in] struct UsbDev dev, [out] unsigned char[] clientData, [out] unsigned char[] buffer, [in] int timeout);
/* *
* @brief Cancels the data transfer requests to be processed.
*
* @param dev Indicates the USB device address.
* @param pipe Indicates the pipe of the USB device.
*
* @return Returns 0 if the operation is successful; returns a non-0 value if the operation fails.
* @since 3.2
*/
RequestCancel([in] struct UsbDev dev, [in] struct UsbPipe pipe);
/* *
* @brief Obtains the list of functions (represented by bit field) supported by the current device.
*
* @param funcs Indicates the list of functions supported by the current device.
*
* @return Returns 0 if the operation is successful; returns a non-0 value if the operation fails.
* @since 3.2
*/
GetCurrentFunctions([out] int funcs);
/* *
* @brief Sets the list of functions (represented by bit field) supported by the current device.
*
* @param funcs Indicates the list of functions supported by the current device.
*
* @return Returns 0 if the operation is successful; returns a non-0 value if the operation fails.
* @since 3.2
*/
SetCurrentFunctions([in] int funcs);
/* *
* @brief Closes a USB device to release all system resources related to the device.
*
* @param portId Indicates the port ID of the USB interface.
* @param powerRole Indicates the power role.
* @param dataRole Indicates the data role.
*
* @return Returns 0 if the operation is successful; returns a non-0 value if the operation fails.
* @since 3.2
*/
SetPortRole([in] int portId, [in] int powerRole, [in] int dataRole);
/* *
* @brief Queries the current settings of a port.
*
* @param portId Indicates the port ID of the USB interface.
* @param powerRole Indicates the power role.
* @param dataRole Indicates the data role.
* @param mode Indicates the mode.
*
* @return Returns 0 if the operation is successful; returns a non-0 value if the operation fails.
* @since 3.2
*/
QueryPort([out] int portId, [out] int powerRole, [out] int dataRole, [out] int mode);
/* *
* @brief Binds a subscriber.
*
* @param subscriber Indicates the subscriber.
*
* @return Returns 0 if the operation is successful; returns a non-0 value if the operation fails.
* @since 3.2
*/
BindUsbdSubscriber([in] IUsbdSubscriber subscriber);
/* *
* @brief Unbinds a subscriber.
*
* @param subscriber Indicates the subscriber.
*
* @return Returns 0 if the operation is successful; returns a non-0 value if the operation fails.
* @since 3.2
*/
UnbindUsbdSubscriber([in] IUsbdSubscriber subscriber);
/* *
* @brief Registers a callback for isochronous bulk transfer.
*
* @param dev Indicates the USB device address.
* @param pipe Indicates the pipe of the USB device.
* @param cb Indicates the reference to the callback.
*
* @return Returns 0 if the operation is successful; returns a non-0 value if the operation fails.
* @since 3.2
*/
RegBulkCallback([in] struct UsbDev dev, [in] struct UsbPipe pipe, [in] IUsbdBulkCallback cb);
/* *
* @brief Unregisters the callback for isochronous bulk transfer.
*
* @param dev Indicates the USB device address.
* @param pipe Indicates the pipe of the USB device.
*
* @return Returns 0 if the operation is successful; returns a non-0 value if the operation fails.
* @since 3.2
*/
UnRegBulkCallback([in] struct UsbDev dev, [in] struct UsbPipe pipe);
/* *
* @brief Reads data during isochronous bulk transfer.
*
* @param dev Indicates the USB device address.
* @param pipe Indicates the pipe of the USB device.
* @param ashmem Indicates the shared memory, which is used to store the read data.
*
* @return Returns 0 if the operation is successful; returns a non-0 value if the operation fails.
* @since 3.2
*/
BulkRead([in] struct UsbDev dev, [in] struct UsbPipe pipe, [in] Ashmem ashmem);
/* *
* @brief Writes data during isochronous bulk transfer.
*
* @param dev Indicates the USB device address.
* @param pipe Indicates the pipe of the USB device.
* @param ashmem Indicates the shared memory, which is used to store the written data.
*
* @return Returns 0 if the operation is successful; returns a non-0 value if the operation fails.
* @since 3.2
*/
BulkWrite([in] struct UsbDev dev, [in] struct UsbPipe pipe, [in] Ashmem ashmem);
/* *
* @brief Cancels the isochronous bulk transfer. The read and write operations on the current USB interface will
* be cancelled.
*
* @param dev Indicates the USB device address.
* @param pipe Indicates the pipe of the USB device.
*
* @return Returns 0 if the operation is successful; returns a non-0 value if the operation fails.
* @since 3.2
*/
BulkCancel([in] struct UsbDev dev, [in] struct UsbPipe pipe);
}