From 26df5c4a7f54d493a09724a5f4f8f4a3a5c90f31 Mon Sep 17 00:00:00 2001
From: jacqueline <me@jacqueline.id.au>
Date: Mon, 12 Feb 2024 17:07:39 +1100
Subject: Remember per-device bluetooth volume

---
 src/drivers/include/bluetooth.hpp | 2 +-
 src/drivers/include/nvs.hpp       | 6 ++++++
 2 files changed, 7 insertions(+), 1 deletion(-)

(limited to 'src/drivers/include')

diff --git a/src/drivers/include/bluetooth.hpp b/src/drivers/include/bluetooth.hpp
index 5fdd527c..988c7e93 100644
--- a/src/drivers/include/bluetooth.hpp
+++ b/src/drivers/include/bluetooth.hpp
@@ -35,7 +35,7 @@ class Bluetooth {
   auto IsEnabled() -> bool;
 
   auto IsConnected() -> bool;
-  auto ConnectedDevice() -> std::optional<bluetooth::Device>;
+  auto ConnectedDevice() -> std::optional<bluetooth::MacAndName>;
 
   auto KnownDevices() -> std::vector<bluetooth::Device>;
 
diff --git a/src/drivers/include/nvs.hpp b/src/drivers/include/nvs.hpp
index 1184b72c..264d9784 100644
--- a/src/drivers/include/nvs.hpp
+++ b/src/drivers/include/nvs.hpp
@@ -15,6 +15,7 @@
 
 #include "bluetooth_types.hpp"
 #include "tasks.hpp"
+#include "lru_cache.hpp"
 
 namespace drivers {
 
@@ -28,6 +29,11 @@ class NvsStorage {
   auto PreferredBluetoothDevice() -> std::optional<bluetooth::MacAndName>;
   auto PreferredBluetoothDevice(std::optional<bluetooth::MacAndName>) -> bool;
 
+  using BtVolumes = util::LruCache<10, bluetooth::mac_addr_t, uint8_t> ;
+
+  auto BluetoothVolumes() -> BtVolumes;
+  auto BluetoothVolumes(const BtVolumes&) -> bool;
+
   enum class Output : uint8_t {
     kHeadphones = 0,
     kBluetooth = 1,
-- 
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