/* * Copyright (c) 2024 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 HdiGnss * @{ * * @brief Provides unified APIs for GNSS services to access GNSS drivers. * * A GNSS service can obtain a GNSS driver object or agent and then call APIs provided by this object or agent to * access GNSS devices, thereby Start the GNSS chip, start the navigation, * set the GNSS working mode, inject reference information, obtain the positioning result, obtain the nmea, * obtain the satellite status information, and obtain the cache location information. * * @since 5.0 */ /* * @file IGnssInterface.idl * * @brief Declares the APIs provided by the GNSS module for Start the GNSS chip, start the navigation, * set the GNSS working mode, inject reference information, Delete auxiliary data, inject PGNSS data, * obtain the number of GNSS cache locations, and obtain all cache locations. * * @since 5.0 * @version 2.0 */ package ohos.hdi.location.gnss.v2_0; import ohos.hdi.location.gnss.v2_0.IGnssCallback; import ohos.hdi.location.gnss.v2_0.GnssTypes; import ohos.hdi.location.gnss.v2_0.IGnssMeasurementCallback; /* * @brief Defines the functions for performing basic operations on GNSS. * * The functions include Start the GNSS chip, start the navigation, * set the GNSS working mode, inject reference information, Delete auxiliary data, inject PGNSS data, * obtain the number of GNSS cache locations, and obtain all cache locations. * * @since 5.0 */ interface IGnssInterface { /* * @brief Setting GNSS configuration parameters. * * @param para Indicates GNSS configuration parameters, including basic GNSS parameters and GNSS cache * function configuration parameters. For details, see {@link GnssConfigPara}. * @return Returns 0 If the setting is successful; returns a negative value otherwise. * * @since 5.0 * @version 2.0 */ SetGnssConfigPara([in] struct GnssConfigPara para); /* * @brief Enable the GNSS module and transmit the callback of the upper layer to the GNSS module. * * @param callback Indicates Callback function sent by the upper layer to the GNSS driver. The GNSS driver returns * location results and satellite status information by the callbacks. For details, see {@link IGnssCallback}. * @return Returns 0 if the GNSS is successfully enabled; returns a negative value otherwise. * * @since 5.0 * @version 2.0 */ EnableGnss([in] IGnssCallback callbackObj); /* * @brief Disable the GNSS module. * * @return Returns 0 if the GNSS is successfully disabled; returns a negative value otherwise. * * @since 5.0 * @version 2.0 */ DisableGnss(); /* * @brief Start the navigation function. * * @param type Indicates the GNSS startup type, which is used to distinguish between common GNSS positioning * and GNSS caching function. For details, see {@link GnssStartType}. * @return Returns 0 if the GNSS navigation is successfully started; returns a negative value otherwise. * * @since 5.0 * @version 2.0 */ StartGnss([in] enum GnssStartType type); /* * @brief Stop the navigation function. * * @param type Indicates the GNSS startup type, which is used to distinguish between common GNSS positioning * and GNSS caching function. For details, see {@link GnssStartType}. * @return Returns 0 if the GNSS navigation is successfully stopped; returns a negative value otherwise. * * @since 5.0 * @version 2.0 */ StopGnss([in] enum GnssStartType type); /* * @brief Inject reference information to the GNSS module. * * @param refInfo Indicates the GNSS reference information structure, including the reference time and reference * location. For details, see {@link GnssRefInfo}. * @return Returns 0 if ingestion succeeded; returns a negative value otherwise. * * @since 5.0 * @version 2.0 */ SetGnssReferenceInfo([in] struct GnssRefInfo refInfo); /* * @brief Delete the specified auxiliary data. * * @param data Indicates the type of auxiliary data to be deleted. For details, see {@link GnssAuxiliaryDataType}. * @return Returns 0 if deleted successfully; returns a negative value otherwise. * * @since 5.0 * @version 2.0 */ DeleteAuxiliaryData([in] unsigned short data); /* * @brief Ingesting Predict Gnss Data. * * @param data Indicates Predict Gnss Data. * @return Returns 0 if ingesting successfully; returns a negative value otherwise. * * @since 5.0 * @version 2.0 */ SetPredictGnssData([in] String data); /* * @brief Obtain the number of locations that can be cached by the GNSS module. * * @param size Indicates an output parameter used to receive the number of locations that can be * cached by the GNSS module. * @return Returns 0 if obtain size successfully; returns a negative value otherwise. * * @since 5.0 * @version 2.0 */ GetCachedGnssLocationsSize([out] int size); /* * @brief Request to obtain all the location information in the GNSS cache at a time and clear the cache buffer. * The cache location is reported through callback. * * @return Returns 0 if sending request successfully; returns a negative value otherwise. * @since 5.0 * @version 2.0 */ GetCachedGnssLocations(); /* * @brief Send NI user response command. * * @param gnssNiNotificationId Indicates the id of GNSS NI notifications. * @param userResponse Indicates user reponse command. * @return Returns 0 if sending response successfully; returns a negative value otherwise. * * @since 5.0 * @version 2.0 */ SendNiUserResponse([in] int gnssNiNotificationId, [in] enum GnssNiResponseCmd userResponse); /* * @brief Send network initiated message. * * @param msg Indicates the network initiated message. * @param length Indicates length of network initiated message. * @return Returns 0 if sending message successfully; returns a negative value otherwise. * * @since 5.0 * @version 2.0 */ SendNetworkInitiatedMsg([in] String msg, [in] int length); /* * @brief Enable GNSS measurement and listen to measurement information. * * @param callbackObj Indicates callback for reporting GNSS Measurement information. * For details, see {@link IGnssMeasurementCallback}. * @return Returns 0 if the GNSS Measurement is successfully enabled; returns a negative value otherwise. * * @since 5.0 * @version 1.0 */ EnableGnssMeasurement([in] IGnssMeasurementCallback callbackObj); /* * @brief Disable GNSS measurement reporting. * * @return Returns 0 if the GNSS Measurement is successfully disabled; returns a negative value otherwise. * * @since 5.0 * @version 1.0 */ DisableGnssMeasurement(); } /** @} */