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/*
* Copyright 2024 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.
*/
#pragma once
#include <bluetooth/log.h>
#include <cstdint>
class LeConnectionParameters {
public:
static constexpr uint16_t kAggressiveConnThreshold = 2;
static constexpr uint16_t kMinConnIntervalAggressive = 0x0008; // 8, *1.25 becomes 10ms
static constexpr uint16_t kMaxConnIntervalAggressive = 0x0010; // 16, *1.25 becomes 20ms
static constexpr uint16_t kMinConnIntervalRelaxed = 0x0018; // 24, *1.25 becomes 30ms
static constexpr uint16_t kMaxConnIntervalRelaxed = 0x0028; // 40, *1.25 becomes 50ms
static const std::string kPropertyAggressiveConnThreshold;
static const std::string kPropertyMinConnIntervalAggressive;
static const std::string kPropertyMaxConnIntervalAggressive;
static const std::string kPropertyMinConnIntervalRelaxed;
static const std::string kPropertyMaxConnIntervalRelaxed;
static void InitConnParamsWithSystemProperties();
static uint32_t GetAggressiveConnThreshold();
static uint32_t GetMinConnIntervalAggressive();
static uint32_t GetMaxConnIntervalAggressive();
static uint32_t GetMinConnIntervalRelaxed();
static uint32_t GetMaxConnIntervalRelaxed();
private:
static bool initialized;
static uint32_t aggressive_conn_threshold;
static uint32_t min_conn_interval_aggressive;
static uint32_t max_conn_interval_aggressive;
static uint32_t min_conn_interval_relaxed;
static uint32_t max_conn_interval_relaxed;
};
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