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/*
* Copyright 2023 jacqueline <me@jacqueline.id.au>
*
* SPDX-License-Identifier: GPL-3.0-only
*/
#pragma once
#include <stdint.h>
#include <memory>
#include <optional>
#include "esp_err.h"
#include "nvs.h"
#include "bluetooth_types.hpp"
#include "tasks.hpp"
namespace drivers {
class NvsStorage {
public:
static auto OpenSync() -> NvsStorage*;
auto PreferredBluetoothDevice()
-> std::future<std::optional<bluetooth::mac_addr_t>>;
auto PreferredBluetoothDevice(std::optional<bluetooth::mac_addr_t>)
-> std::future<bool>;
enum class Output : uint8_t {
kHeadphones = 0,
kBluetooth = 1,
};
auto OutputMode() -> std::future<Output>;
auto OutputMode(Output) -> std::future<bool>;
auto ScreenBrightness() -> std::future<uint_fast8_t>;
auto ScreenBrightness(uint_fast8_t) -> std::future<bool>;
explicit NvsStorage(std::unique_ptr<tasks::Worker>, nvs_handle_t);
~NvsStorage();
private:
auto DowngradeSchemaSync() -> bool;
auto SchemaVersionSync() -> uint8_t;
std::unique_ptr<tasks::Worker> writer_;
nvs_handle_t handle_;
};
} // namespace drivers
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