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/*
* Copyright (C) 2019 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.gnss.measurement_corrections@1.0;
/**
* GNSS measurement corrections callback interface.
*/
interface IMeasurementCorrectionsCallback {
/**
* Flags to indicate supported measurement corrections capabilities
*
* Either the LOS_SATS or the EXCESS_PATH_LENGTH capability must be supported.
*/
enum Capabilities : uint32_t {
/** GNSS supports line-of-sight satellite identification measurement corrections */
LOS_SATS = 1 << 0,
/** GNSS supports per satellite excess-path-length measurement corrections */
EXCESS_PATH_LENGTH = 1 << 1,
/** GNSS supports reflecting planes measurement corrections */
REFLECTING_PLANE = 1 << 2
};
/**
* Callback to inform framework the measurement correction specific capabilities of the GNSS
* HAL implementation.
*
* The GNSS HAL must call this method immediately after the framework opens the measurement
* corrections interface.
*
* @param capabilities Supported measurement corrections capabilities. It is mandatory to
* support either LOS_STATS or EXCESS_PATH_LENGTH capability.
*
*/
setCapabilitiesCb(bitfield<Capabilities> capabilities);
};