96 lines
2.8 KiB
C
96 lines
2.8 KiB
C
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/*
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* Copyright 2022 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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#pragma once
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#include "address.h"
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#include "module.h"
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namespace bluetooth {
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namespace hci {
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enum DistanceMeasurementMethod {
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METHOD_AUTO,
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METHOD_RSSI,
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};
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enum DistanceMeasurementErrorCode {
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REASON_FEATURE_NOT_SUPPORTED_LOCAL,
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REASON_FEATURE_NOT_SUPPORTED_REMOTE,
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REASON_LOCAL_REQUEST,
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REASON_REMOTE_REQUEST,
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REASON_DURATION_TIMEOUT,
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REASON_NO_LE_CONNECTION,
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REASON_INVALID_PARAMETERS,
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REASON_INTERNAL_ERROR,
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};
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struct DistanceMeasurementResult {
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Address address;
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uint32_t centimeter;
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uint32_t error_centimeter;
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DistanceMeasurementMethod method;
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};
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class DistanceMeasurementCallbacks {
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public:
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virtual ~DistanceMeasurementCallbacks() = default;
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virtual void OnDistanceMeasurementStarted(Address address, DistanceMeasurementMethod method) = 0;
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virtual void OnDistanceMeasurementStartFail(
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Address address, DistanceMeasurementErrorCode reason, DistanceMeasurementMethod method) = 0;
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virtual void OnDistanceMeasurementStopped(
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Address address, DistanceMeasurementErrorCode reason, DistanceMeasurementMethod method) = 0;
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virtual void OnDistanceMeasurementResult(
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Address address,
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uint32_t centimeter,
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uint32_t error_centimeter,
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int azimuth_angle,
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int error_azimuth_angle,
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int altitude_angle,
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int error_altitude_angle,
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DistanceMeasurementMethod method) = 0;
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};
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class DistanceMeasurementManager : public bluetooth::Module {
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public:
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DistanceMeasurementManager();
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~DistanceMeasurementManager();
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DistanceMeasurementManager(const DistanceMeasurementManager&) = delete;
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DistanceMeasurementManager& operator=(const DistanceMeasurementManager&) = delete;
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void RegisterDistanceMeasurementCallbacks(DistanceMeasurementCallbacks* callbacks);
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void StartDistanceMeasurement(
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const Address&, uint16_t frequency, DistanceMeasurementMethod method);
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void StopDistanceMeasurement(const Address& address, DistanceMeasurementMethod method);
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static const ModuleFactory Factory;
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protected:
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void ListDependencies(ModuleList* list) const override;
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void Start() override;
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void Stop() override;
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std::string ToString() const override;
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private:
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struct impl;
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std::unique_ptr<impl> pimpl_;
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};
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} // namespace hci
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} // namespace bluetooth
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