store the screen brightness in nvs

1 files changed, 17 insertions, 8 deletions

diff --git a/src/drivers/include/nvs.hpp b/src/drivers/include/nvs.hpp
index 913ad51e..bc88f88d 100644
--- a/src/drivers/include/nvs.hpp
+++ b/src/drivers/include/nvs.hpp
@@ -7,35 +7,44 @@
 #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 Open() -> NvsStorage*;
+  static auto OpenSync() -> NvsStorage*;
 
-  auto SchemaVersion() -> uint8_t;
-
-  auto PreferredBluetoothDevice() -> std::optional<bluetooth::mac_addr_t>;
-  auto PreferredBluetoothDevice(std::optional<bluetooth::mac_addr_t>) -> void;
+  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() -> Output;
-  auto OutputMode(Output) -> void;
+  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(nvs_handle_t);
+  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_;
 };