99b6d96736
- GnssMeasurementFlags extends v1.0 - add gnssSetCapabilitiesCb_2_1 Fixes: 149501257 Test: VTS tests pass on cuttlefish Change-Id: I21dd284297d5f458945e7b5fa5e6ed0dab6a5dde
77 lines
2.7 KiB
Text
77 lines
2.7 KiB
Text
/*
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* Copyright (C) 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.hardware.gnss@2.1;
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import @2.0::IGnssCallback;
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/**
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* This interface is required for the HAL to communicate certain information
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* like status and location info back to the platform, the platform implements
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* the interfaces and passes a handle to the HAL.
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*/
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interface IGnssCallback extends @2.0::IGnssCallback {
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/**
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* Flags for the gnssSetCapabilities callback.
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*/
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@export(name = "", value_prefix = "GPS_CAPABILITY_")
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enum Capabilities : @2.0::IGnssCallback.Capabilities {
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/**
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* GNSS supports measurement corrections
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*/
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ANTENNA_INFO = 1 << 11,
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};
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/**
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* Callback to inform framework of the GNSS HAL implementation's capabilities.
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*
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* @param capabilities Capability parameter is a bit field of the Capabilities enum.
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*/
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gnssSetCapabilitiesCb_2_1(bitfield<Capabilities> capabilities);
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/**
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* Extends a GnssSvInfo, adding a basebandCN0DbHz.
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*/
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struct GnssSvInfo {
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/**
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* GNSS satellite information for a single satellite and frequency.
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*/
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@2.0::IGnssCallback.GnssSvInfo v2_0;
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/**
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* Baseband Carrier-to-noise density in dB-Hz, typically in the range [0, 63]. It contains
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* the measured C/N0 value for the signal measured at the baseband.
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*
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* This is typically a few dB weaker than the value estimated for C/N0 at the antenna port,
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* which is reported in cN0DbHz.
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*
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* If a signal has separate components (e.g. Pilot and Data channels) and the receiver only
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* processes one of the components, then the reported basebandCN0DbHz reflects only the
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* component that is processed.
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*
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* This value is mandatory. Like cN0DbHz, it may be reported as 0 for satellites being
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* reported that may be searched for, but not yet tracked.
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*/
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double basebandCN0DbHz;
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};
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/**
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* Callback for the HAL to pass a vector of GnssSvInfo back to the client.
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*
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* @param svInfoList SV info list information from HAL.
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*/
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gnssSvStatusCb_2_1(vec<GnssSvInfo> svInfoList);
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};
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