Merge branch 'main' of codeberg.org:cool-tech-zone/tangara-fw

lib/leveldb/util/cache.cc

@@ -8,6 +8,7 @@
 #include <cstdio>
 #include <cstdlib>
 
+#include "esp_heap_caps.h"
 #include "port/port.h"
 #include "port/thread_annotations.h"
 #include "util/hash.h"
@@ -157,7 +158,9 @@ class LRUCache {
   void SetCapacity(size_t capacity) { capacity_ = capacity; }
 
   // Like Cache methods, but with an extra "hash" parameter.
-  Cache::Handle* Insert(const Slice& key, uint32_t hash, void* value,
+  Cache::Handle* Insert(const Slice& key,
+                        uint32_t hash,
+                        void* value,
                         size_t charge,
                         void (*deleter)(const Slice& key, void* value));
   Cache::Handle* Lookup(const Slice& key, uint32_t hash);
@@ -264,14 +267,16 @@ void LRUCache::Release(Cache::Handle* handle) {
   Unref(reinterpret_cast<LRUHandle*>(handle));
 }
 
-Cache::Handle* LRUCache::Insert(const Slice& key, uint32_t hash, void* value,
+Cache::Handle* LRUCache::Insert(const Slice& key,
+                                uint32_t hash,
+                                void* value,
                                 size_t charge,
                                 void (*deleter)(const Slice& key,
                                                 void* value)) {
   MutexLock l(&mutex_);
 
-  LRUHandle* e =
-      reinterpret_cast<LRUHandle*>(malloc(sizeof(LRUHandle) - 1 + key.size()));
+  LRUHandle* e = reinterpret_cast<LRUHandle*>(
+      heap_caps_malloc(sizeof(LRUHandle) - 1 + key.size(), MALLOC_CAP_SPIRAM));
   e->value = value;
   e->deleter = deleter;
   e->charge = charge;
@@ -356,7 +361,9 @@ class ShardedLRUCache : public Cache {
     }
   }
   ~ShardedLRUCache() override {}
-  Handle* Insert(const Slice& key, void* value, size_t charge,
+  Handle* Insert(const Slice& key,
+                 void* value,
+                 size_t charge,
                  void (*deleter)(const Slice& key, void* value)) override {
     const uint32_t hash = HashSlice(key);
     return shard_[Shard(hash)].Insert(key, hash, value, charge, deleter);
@@ -396,6 +403,8 @@ class ShardedLRUCache : public Cache {
 
 }  // end anonymous namespace
 
-Cache* NewLRUCache(size_t capacity) { return new ShardedLRUCache(capacity); }
+Cache* NewLRUCache(size_t capacity) {
+  return new ShardedLRUCache(capacity);
+}
 
 }  // namespace leveldb

lua/settings.lua

@@ -24,7 +24,7 @@ local function SettingsScreen(title)
       align_items = "flex-start",
       align_content = "flex-start",
     },
-    w = lvgl.PCT(90),
+    w = lvgl.PCT(100),
     flex_grow = 1,
     pad_left = 4,
     pad_right = 4,
@@ -40,7 +40,7 @@ local BluetoothSettings = screen:new {
       flex = {
         flex_direction = "row",
         justify_content = "flex-start",
-        align_items = "content",
+        align_items = "center",
         align_content = "flex-start",
       },
       w = lvgl.PCT(100),
@@ -54,10 +54,10 @@ local BluetoothSettings = screen:new {
       bluetooth.enabled:set(enabled)
     end)
 
-  theme.set_style(self.menu.content:Label {
-    text = "Paired Device",
-    pad_bottom = 1,
-  }, "settings_title")
+    theme.set_style(self.menu.content:Label {
+      text = "Paired Device",
+      pad_bottom = 1,
+    }, "settings_title")
 
     local paired_container = self.menu.content:Object {
       flex = {
@@ -80,10 +80,10 @@ local BluetoothSettings = screen:new {
       bluetooth.paired_device:set()
     end)
 
-  theme.set_style(self.menu.content:Label {
-    text = "Nearby Devices",
-    pad_bottom = 1,
-  }, "settings_title")
+    theme.set_style(self.menu.content:Label {
+      text = "Nearby Devices",
+      pad_bottom = 1,
+    }, "settings_title")
 
     local devices = self.menu.content:List {
       w = lvgl.PCT(100),
@@ -123,9 +123,9 @@ local HeadphonesSettings = screen:new {
   createUi = function(self)
     self.menu = SettingsScreen("Headphones")
 
-  theme.set_style(self.menu.content:Label {
-    text = "Maxiumum volume limit",
-  }, "settings_title")
+    theme.set_style(self.menu.content:Label {
+      text = "Maxiumum volume limit",
+    }, "settings_title")
 
     local volume_chooser = self.menu.content:Dropdown {
       options = "Line Level (-10 dB)\nCD Level (+6 dB)\nMaximum (+10dB)",
@@ -138,9 +138,9 @@ local HeadphonesSettings = screen:new {
       volume.limit_db:set(limits[selection])
     end)
 
-  theme.set_style(self.menu.content:Label {
-    text = "Left/Right balance",
-  }, "settings_title")
+    theme.set_style(self.menu.content:Label {
+      text = "Left/Right balance",
+    }, "settings_title")
 
     local balance = self.menu.content:Slider {
       w = lvgl.PCT(100),
@@ -186,20 +186,20 @@ local DisplaySettings = screen:new {
   createUi = function(self)
     self.menu = SettingsScreen("Display")
 
-  local brightness_title = self.menu.content:Object {
-    flex = {
-      flex_direction = "row",
-      justify_content = "flex-start",
-      align_items = "flex-start",
-      align_content = "flex-start",
-    },
-    w = lvgl.PCT(100),
-    h = lvgl.SIZE_CONTENT,
+    local brightness_title = self.menu.content:Object {
+      flex = {
+        flex_direction = "row",
+        justify_content = "flex-start",
+        align_items = "flex-start",
+        align_content = "flex-start",
+      },
+      w = lvgl.PCT(100),
+      h = lvgl.SIZE_CONTENT,
 
-  }
-  brightness_title:Label { text = "Brightness", flex_grow = 1 }
-  local brightness_pct = brightness_title:Label {}
-  theme.set_style(brightness_pct, "settings_title")
+    }
+    brightness_title:Label { text = "Brightness", flex_grow = 1 }
+    local brightness_pct = brightness_title:Label {}
+    theme.set_style(brightness_pct, "settings_title")
 
     local brightness = self.menu.content:Slider {
       w = lvgl.PCT(100),
@@ -223,9 +223,9 @@ local InputSettings = screen:new {
   createUi = function(self)
     self.menu = SettingsScreen("Input Method")
 
-  theme.set_style(self.menu.content:Label {
-    text = "Control scheme",
-  }, "settings_title")
+    theme.set_style(self.menu.content:Label {
+      text = "Control scheme",
+    }, "settings_title")
 
     local schemes = controls.schemes()
     local option_to_scheme = {}
@@ -261,9 +261,9 @@ local InputSettings = screen:new {
       controls.scheme:set(scheme)
     end)
 
-  theme.set_style(self.menu.content:Label {
-    text = "Scroll Sensitivity",
-  }, "settings_title")
+    theme.set_style(self.menu.content:Label {
+      text = "Scroll Sensitivity",
+    }, "settings_title")
 
     local slider_scale = 4; -- Power steering
     local sensitivity = self.menu.content:Slider {
@@ -282,10 +282,10 @@ local MassStorageSettings = screen:new {
   createUi = function(self)
     self.menu = SettingsScreen("USB Storage")
     local version = require("version").samd()
-    if tonumber(version) < 2 then
+    if tonumber(version) < 3 then
       self.menu.content:Label {
         w = lvgl.PCT(100),
-        text = "Usb Mass Storage requires a SAMD21 firmware version >=2."
+        text = "Usb Mass Storage requires a SAMD21 firmware version >=3."
       }
       return
     end
@@ -294,7 +294,7 @@ local MassStorageSettings = screen:new {
       flex = {
         flex_direction = "row",
         justify_content = "flex-start",
-        align_items = "content",
+        align_items = "center",
         align_content = "flex-start",
       },
       w = lvgl.PCT(100),
@@ -304,6 +304,12 @@ local MassStorageSettings = screen:new {
     enable_container:Label { text = "Enable", flex_grow = 1 }
     local enable_sw = enable_container:Switch {}
 
+    local busy_text = self.menu.content:Label {
+      w = lvgl.PCT(100),
+      text = "USB is currently busy. Do not unplug or remove the SD card.",
+      long_mode = lvgl.LABEL.LONG_WRAP,
+    }
+
     local bind_switch = function()
       if usb.msc_enabled:get() then
         enable_sw:add_state(lvgl.STATE.CHECKED)
@@ -313,12 +319,21 @@ local MassStorageSettings = screen:new {
     end
 
     enable_sw:onevent(lvgl.EVENT.VALUE_CHANGED, function()
-      usb.msc_enabled:set(enable_sw:enabled())
+      if not usb.msc_busy:get() then
+        usb.msc_enabled:set(enable_sw:enabled())
+      end
       bind_switch()
     end)
 
     self.bindings = {
       usb.msc_enabled:bind(bind_switch),
+      usb.msc_busy:bind(function(busy)
+        if busy then
+          busy_text:clear_flag(lvgl.FLAG.HIDDEN)
+        else
+          busy_text:add_flag(lvgl.FLAG.HIDDEN)
+        end
+      end)
     }
   end,
   canPop = function()
@@ -333,25 +348,53 @@ local DatabaseSettings = screen:new {
     widgets.Row(self.menu.content, "Schema version", db.version())
     widgets.Row(self.menu.content, "Size on disk", string.format("%.1f KiB", db.size() / 1024))
 
-  local actions_container = self.menu.content:Object {
-    w = lvgl.PCT(100),
-    h = lvgl.SIZE_CONTENT,
-    flex = {
-      flex_direction = "row",
-      justify_content = "center",
-      align_items = "space-evenly",
-      align_content = "center",
-    },
-    pad_top = 4,
-    pad_column = 4,
-  }
-  actions_container:add_style(styles.list_item)
+    local auto_update_container = self.menu.content:Object {
+      flex = {
+        flex_direction = "row",
+        justify_content = "flex-start",
+        align_items = "flex-start",
+        align_content = "flex-start",
+      },
+      w = lvgl.PCT(100),
+      h = lvgl.SIZE_CONTENT,
+    }
+    auto_update_container:add_style(styles.list_item)
+    auto_update_container:Label { text = "Auto update", flex_grow = 1 }
+    local auto_update_sw = auto_update_container:Switch {}
+
+    auto_update_sw:onevent(lvgl.EVENT.VALUE_CHANGED, function()
+      database.auto_update:set(auto_update_sw:enabled())
+    end)
+
+    local actions_container = self.menu.content:Object {
+      w = lvgl.PCT(100),
+      h = lvgl.SIZE_CONTENT,
+      flex = {
+        flex_direction = "row",
+        justify_content = "center",
+        align_items = "space-evenly",
+        align_content = "center",
+      },
+      pad_top = 4,
+      pad_column = 4,
+    }
+    actions_container:add_style(styles.list_item)
 
     local update = actions_container:Button {}
-    update:Label { text = "Update" }
+    update:Label { text = "Update now" }
     update:onClicked(function()
       database.update()
     end)
+
+    self.bindings = {
+      database.auto_update:bind(function(en)
+        if en then
+          auto_update_sw:add_state(lvgl.STATE.CHECKED)
+        else
+          auto_update_sw:clear_state(lvgl.STATE.CHECKED)
+        end
+      end),
+    }
   end
 }
 
@@ -383,13 +426,13 @@ return screen:new {
       flex_grow = 1,
     }
 
-  local function section(name)
-    local elem = self.list:Label {
-      text = name,
-      pad_left = 4,
-    }
-    theme.set_style(elem, "settings_title")
-  end
+    local function section(name)
+      local elem = self.list:Label {
+        text = name,
+        pad_left = 4,
+      }
+      theme.set_style(elem, "settings_title")
+    end
 
     local function submenu(name, class)
       local item = self.list:add_btn(nil, name)

src/audio/audio_fsm.cpp

@@ -276,7 +276,24 @@ void AudioState::react(const system_fsm::HasPhonesChanged& ev) {
 }
 
 void AudioState::react(const SetVolume& ev) {
-  // TODO.
+  if (ev.db.has_value()) {
+    if (sOutput->SetVolumeDb(ev.db.value())) {
+      commitVolume();
+      events::Ui().Dispatch(VolumeChanged{
+          .percent = sOutput->GetVolumePct(),
+          .db = sOutput->GetVolumeDb(),
+      });
+    }
+
+  } else if (ev.percent.has_value()) {
+    if (sOutput->SetVolumePct(ev.percent.value())) {
+      commitVolume();
+      events::Ui().Dispatch(VolumeChanged{
+          .percent = sOutput->GetVolumePct(),
+          .db = sOutput->GetVolumeDb(),
+      });
+    }
+  }
 }
 
 void AudioState::react(const SetVolumeLimit& ev) {

src/audio/bt_audio_output.cpp

@@ -9,6 +9,7 @@
 #include <algorithm>
 #include <cstddef>
 #include <cstdint>
+#include <cmath>
 #include <memory>
 #include <variant>
 
@@ -54,11 +55,30 @@ auto BluetoothAudioOutput::GetVolume() -> uint16_t {
 }
 
 auto BluetoothAudioOutput::GetVolumePct() -> uint_fast8_t {
-  return static_cast<uint_fast8_t>(static_cast<int>(volume_) * 100 / 0x7f);
+  return static_cast<uint_fast8_t>(round(static_cast<int>(volume_) * 100.0 / 0x7f));
+}
+
+auto BluetoothAudioOutput::SetVolumePct(uint_fast8_t val) -> bool {
+  if (val > 100) {
+    return false;
+  }
+  uint16_t vol = (val * (0x7f))/100;
+  SetVolume(vol);
+  return true;
 }
 
 auto BluetoothAudioOutput::GetVolumeDb() -> int_fast16_t {
-  return 0;
+  double pct = GetVolumePct()/100.0;
+  if (pct <= 0) {
+    pct = 0.01;
+  }
+  int_fast16_t db = log(pct) * 20;
+  return db;
+}
+
+auto BluetoothAudioOutput::SetVolumeDb(int_fast16_t val) -> bool {
+  double pct = exp(val / 20.0) * 100;
+  return SetVolumePct(pct);
 }
 
 auto BluetoothAudioOutput::AdjustVolumeUp() -> bool {

src/audio/i2s_audio_output.cpp

@@ -63,16 +63,21 @@ auto I2SAudioOutput::changeMode(Modes mode) -> void {
     return;
   }
   if (mode == Modes::kOff) {
-    dac_->Stop();
-    dac_.reset();
+    if (dac_) {
+      dac_->Stop();
+      dac_.reset();
+    }
     return;
-  } else if (current_mode_ == Modes::kOff) {
-    auto instance = drivers::I2SDac::create(expander_);
-    if (!instance) {
-      return;
+  }
+  if (current_mode_ == Modes::kOff) {
+    if (!dac_) {
+      auto instance = drivers::I2SDac::create(expander_);
+      if (!instance) {
+        return;
+      }
+      dac_.reset(*instance);
     }
     SetVolume(GetVolume());
-    dac_.reset(*instance);
     dac_->SetSource(stream());
     dac_->Start();
   }
@@ -111,6 +116,15 @@ auto I2SAudioOutput::GetVolumePct() -> uint_fast8_t {
   return (current_volume_ - kMinVolume) * 100 / (max_volume_ - kMinVolume);
 }
 
+auto I2SAudioOutput::SetVolumePct(uint_fast8_t val) -> bool {
+  if (val > 100) {
+    return false;
+  }
+  uint16_t vol = (val * (max_volume_ - kMinVolume))/100 + kMinVolume;
+  SetVolume(vol);
+  return true;
+}
+
 auto I2SAudioOutput::GetVolumeDb() -> int_fast16_t {
   // Add two before dividing in order to round correctly.
   return (static_cast<int>(current_volume_) -
@@ -118,6 +132,11 @@ auto I2SAudioOutput::GetVolumeDb() -> int_fast16_t {
          4;
 }
 
+auto I2SAudioOutput::SetVolumeDb(int_fast16_t val) -> bool {
+  SetVolume(val * 4 + static_cast<int>(drivers::wm8523::kLineLevelReferenceVolume) - 2);
+  return true;
+}
+
 auto I2SAudioOutput::AdjustVolumeUp() -> bool {
   if (GetVolume() >= max_volume_) {
     return false;

src/audio/include/audio_sink.hpp

@@ -59,6 +59,9 @@ class IAudioOutput {
   virtual auto GetVolumePct() -> uint_fast8_t = 0;
   virtual auto GetVolumeDb() -> int_fast16_t = 0;
 
+  virtual auto SetVolumePct(uint_fast8_t) -> bool = 0;
+  virtual auto SetVolumeDb(int_fast16_t) -> bool = 0;
+
   virtual auto AdjustVolumeUp() -> bool = 0;
   virtual auto AdjustVolumeDown() -> bool = 0;
 

src/audio/include/bt_audio_output.hpp

@@ -35,7 +35,9 @@ class BluetoothAudioOutput : public IAudioOutput {
   auto GetVolume() -> uint16_t override;
 
   auto GetVolumePct() -> uint_fast8_t override;
+  auto SetVolumePct(uint_fast8_t val) -> bool override;
   auto GetVolumeDb() -> int_fast16_t override;
+  auto SetVolumeDb(int_fast16_t) -> bool override;
 
   auto AdjustVolumeUp() -> bool override;
   auto AdjustVolumeDown() -> bool override;

src/audio/include/i2s_audio_output.hpp

@@ -33,7 +33,9 @@ class I2SAudioOutput : public IAudioOutput {
   auto GetVolume() -> uint16_t override;
 
   auto GetVolumePct() -> uint_fast8_t override;
+  auto SetVolumePct(uint_fast8_t val) -> bool override;
   auto GetVolumeDb() -> int_fast16_t override;
+  auto SetVolumeDb(int_fast16_t) -> bool override;
 
   auto AdjustVolumeUp() -> bool override;
   auto AdjustVolumeDown() -> bool override;

src/database/database.cpp

@@ -139,14 +139,14 @@ auto Database::Open(IFileGatherer& gatherer,
           [&]() -> cpp::result<Database*, DatabaseError> {
             leveldb::DB* db;
             std::unique_ptr<leveldb::Cache> cache{
-                leveldb::NewLRUCache(4 * 1024)};
+                leveldb::NewLRUCache(256 * 1024)};
 
             leveldb::Options options;
             options.env = sEnv.env();
             options.write_buffer_size = 4 * 1024;
-            options.max_file_size = 32;
+            options.max_file_size = 16 * 1024;
             options.block_cache = cache.get();
-            options.block_size = 512;
+            options.block_size = 2048;
 
             auto status = leveldb::DB::Open(options, kDbPath, &db);
             if (!status.ok()) {
@@ -299,7 +299,7 @@ auto Database::updateIndexes() -> void {
   UpdateNotifier notifier{is_updating_};
 
   leveldb::ReadOptions read_options;
-  read_options.fill_cache = false;
+  read_options.fill_cache = true;
 
   // Stage 1: verify all existing tracks are still valid.
   ESP_LOGI(kTag, "verifying existing tracks");

src/drivers/include/nvs.hpp

@@ -114,6 +114,9 @@ class NvsStorage {
   auto PrimaryInput() -> InputModes;
   auto PrimaryInput(InputModes) -> void;
 
+  auto DbAutoIndex() -> bool;
+  auto DbAutoIndex(bool) -> void;
+
   explicit NvsStorage(nvs_handle_t);
   ~NvsStorage();
 
@@ -136,6 +139,7 @@ class NvsStorage {
   Setting<uint8_t> input_mode_;
   Setting<uint8_t> output_mode_;
   Setting<bluetooth::MacAndName> bt_preferred_;
+  Setting<uint8_t> db_auto_index_;
 
   util::LruCache<10, bluetooth::mac_addr_t, uint8_t> bt_volumes_;
   bool bt_volumes_dirty_;

src/drivers/include/samd.hpp

@@ -48,8 +48,8 @@ class Samd {
     // There is a compatible usb host attached, but USB MSC is not currently
     // in use by the SAMD.
     kAttachedIdle,
-    // The SAMD is currently exposing the SD card via USB MSC.
-    kAttachedMounted,
+    // The SAMD is currently writing to the SD card via USB MSC.
+    kAttachedBusy,
   };
 
   auto GetUsbStatus() -> UsbStatus;

src/drivers/nvs.cpp

@@ -39,6 +39,7 @@ static constexpr char kKeyScrollSensitivity[] = "scroll";
 static constexpr char kKeyLockPolarity[] = "lockpol";
 static constexpr char kKeyDisplayCols[] = "dispcols";
 static constexpr char kKeyDisplayRows[] = "disprows";
+static constexpr char kKeyDbAutoIndex[] = "dbautoindex";
 
 static auto nvs_get_string(nvs_handle_t nvs, const char* key)
     -> std::optional<std::string> {
@@ -173,6 +174,7 @@ NvsStorage::NvsStorage(nvs_handle_t handle)
       input_mode_(kKeyPrimaryInput),
       output_mode_(kKeyOutput),
       bt_preferred_(kKeyBluetoothPreferred),
+      db_auto_index_(kKeyDbAutoIndex),
       bt_volumes_(),
       bt_volumes_dirty_(false) {}
 
@@ -194,6 +196,7 @@ auto NvsStorage::Read() -> void {
   input_mode_.read(handle_);
   output_mode_.read(handle_);
   bt_preferred_.read(handle_);
+  db_auto_index_.read(handle_);
   readBtVolumes();
 }
 
@@ -210,6 +213,7 @@ auto NvsStorage::Write() -> bool {
   input_mode_.write(handle_);
   output_mode_.write(handle_);
   bt_preferred_.write(handle_);
+  db_auto_index_.write(handle_);
   writeBtVolumes();
   return nvs_commit(handle_) == ESP_OK;
 }
@@ -370,6 +374,16 @@ auto NvsStorage::PrimaryInput(InputModes mode) -> void {
   input_mode_.set(static_cast<uint8_t>(mode));
 }
 
+auto NvsStorage::DbAutoIndex() -> bool {
+  std::lock_guard<std::mutex> lock{mutex_};
+  return db_auto_index_.get().value_or(true);
+}
+
+auto NvsStorage::DbAutoIndex(bool en) -> void {
+  std::lock_guard<std::mutex> lock{mutex_};
+  db_auto_index_.set(static_cast<uint8_t>(en));
+}
+
 class VolumesParseClient : public cppbor::ParseClient {
  public:
   VolumesParseClient(util::LruCache<10, bluetooth::mac_addr_t, uint8_t>& out)

src/drivers/samd.cpp

@@ -113,7 +113,7 @@ auto Samd::UpdateUsbStatus() -> void {
     usb_status_ = UsbStatus::kDetached;
   }
   usb_status_ =
-      (raw_res & 0b10) ? UsbStatus::kAttachedMounted : UsbStatus::kAttachedIdle;
+      (raw_res & 0b10) ? UsbStatus::kAttachedBusy : UsbStatus::kAttachedIdle;
 }
 
 auto Samd::ResetToFlashSamd() -> void {

src/lua/property.cpp

@@ -379,22 +379,22 @@ auto Property::Update(const LuaValue& v) -> void {
   for (int i = bindings_.size() - 1; i >= 0; i--) {
     auto& b = bindings_[i];
 
+    int top = lua_gettop(b.first);
+
     lua_pushstring(b.first, kBindingsTable);
     lua_gettable(b.first, LUA_REGISTRYINDEX);       // REGISTRY[kBindingsTable]
     int type = lua_rawgeti(b.first, -1, b.second);  // push bindings[i]
 
     // Has closure has been GCed?
     if (type == LUA_TNIL) {
-      // Clean up after ourselves.
-      lua_pop(b.first, 1);
       // Remove the binding.
       bindings_.erase(bindings_.begin() + i);
-      continue;
+    } else {
+      PushValue(*b.first);           // push the argument
+      CallProtected(b.first, 1, 0);  // invoke the closure
     }
 
-    PushValue(*b.first);           // push the argument
-    CallProtected(b.first, 1, 0);  // invoke the closure
-    lua_pop(b.first, 1);           // pop the bindings table
+    lua_settop(b.first, top);  // clean up after ourselves
   }
 }
 

src/system_fsm/include/system_events.hpp

@@ -12,6 +12,7 @@
 #include "bluetooth_types.hpp"
 #include "database.hpp"
 #include "haptics.hpp"
+#include "samd.hpp"
 #include "service_locator.hpp"
 #include "tinyfsm.hpp"
 
@@ -56,6 +57,9 @@ struct SdDetectChanged : tinyfsm::Event {
 struct SamdUsbMscChanged : tinyfsm::Event {
   bool en;
 };
+struct SamdUsbStatusChanged : tinyfsm::Event {
+  drivers::Samd::UsbStatus new_status;
+};
 
 struct BatteryStateChanged : tinyfsm::Event {
   battery::Battery::BatteryState new_state;

src/system_fsm/running.cpp

@@ -166,13 +166,15 @@ auto Running::mountStorage() -> bool {
 
   // Tell the database to refresh so that we pick up any changes from the newly
   // mounted card.
-  sServices->bg_worker().Dispatch<void>([&]() {
-    auto db = sServices->database().lock();
-    if (!db) {
-      return;
-    }
-    db->updateIndexes();
-  });
+  if (sServices->nvs().DbAutoIndex()) {
+    sServices->bg_worker().Dispatch<void>([&]() {
+      auto db = sServices->database().lock();
+      if (!db) {
+        return;
+      }
+      db->updateIndexes();
+    });
+  }
 
   return true;
 }

src/system_fsm/system_fsm.cpp

@@ -88,7 +88,7 @@ void SystemState::react(const internal::SamdInterrupt&) {
     sServices->battery().Update();
   }
   if (usb_status != prev_usb_status) {
-    ESP_LOGI(kTag, "usb status changed");
+    events::Ui().Dispatch(SamdUsbStatusChanged{.new_status = usb_status});
   }
 }
 

src/ui/include/ui_fsm.hpp

@@ -65,6 +65,7 @@ class UiState : public tinyfsm::Fsm<UiState> {
   void react(const audio::VolumeLimitChanged&);
 
   void react(const system_fsm::KeyLockChanged&);
+  void react(const system_fsm::SamdUsbStatusChanged&);
 
   void react(const internal::DismissAlerts&);
   void react(const internal::ControlSchemeChanged&);
@@ -130,8 +131,10 @@ class UiState : public tinyfsm::Fsm<UiState> {
   static lua::Property sLockSwitch;
 
   static lua::Property sDatabaseUpdating;
+  static lua::Property sDatabaseAutoUpdate;
 
   static lua::Property sUsbMassStorageEnabled;
+  static lua::Property sUsbMassStorageBusy;
 };
 
 namespace states {

src/ui/ui_fsm.cpp

@@ -43,6 +43,7 @@
 #include "nvs.hpp"
 #include "property.hpp"
 #include "relative_wheel.hpp"
+#include "samd.hpp"
 #include "screen.hpp"
 #include "screen_lua.hpp"
 #include "screen_splash.hpp"
@@ -282,6 +283,14 @@ lua::Property UiState::sScrollSensitivity{
 lua::Property UiState::sLockSwitch{false};
 
 lua::Property UiState::sDatabaseUpdating{false};
+lua::Property UiState::sDatabaseAutoUpdate{
+    false, [](const lua::LuaValue& val) {
+      if (!std::holds_alternative<bool>(val)) {
+        return false;
+      }
+      sServices->nvs().DbAutoIndex(std::get<bool>(val));
+      return true;
+    }};
 
 lua::Property UiState::sUsbMassStorageEnabled{
     false, [](const lua::LuaValue& val) {
@@ -294,6 +303,8 @@ lua::Property UiState::sUsbMassStorageEnabled{
       return true;
     }};
 
+lua::Property UiState::sUsbMassStorageBusy{false};
+
 auto UiState::InitBootSplash(drivers::IGpios& gpios, drivers::NvsStorage& nvs)
     -> bool {
   // Init LVGL first, since the display driver registers itself with LVGL.
@@ -352,6 +363,11 @@ void UiState::react(const system_fsm::KeyLockChanged& ev) {
   sLockSwitch.Update(ev.locking);
 }
 
+void UiState::react(const system_fsm::SamdUsbStatusChanged& ev) {
+  sUsbMassStorageBusy.Update(ev.new_status ==
+                             drivers::Samd::UsbStatus::kAttachedBusy);
+}
+
 void UiState::react(const internal::ControlSchemeChanged&) {
   if (!sInput) {
     return;
@@ -557,14 +573,19 @@ void Lua::entry() {
         "time", {
                     {"ticks", [&](lua_State* s) { return Ticks(s); }},
                 });
-    registry.AddPropertyModule("database", {
-                                               {"updating", &sDatabaseUpdating},
-                                           });
+    registry.AddPropertyModule("database",
+                               {
+                                   {"updating", &sDatabaseUpdating},
+                                   {"auto_update", &sDatabaseAutoUpdate},
+                               });
     registry.AddPropertyModule("usb",
                                {
                                    {"msc_enabled", &sUsbMassStorageEnabled},
+                                   {"msc_busy", &sUsbMassStorageBusy},
                                });
 
+    sDatabaseAutoUpdate.Update(sServices->nvs().DbAutoIndex());
+
     auto bt = sServices->bluetooth();
     sBluetoothEnabled.Update(bt.IsEnabled());
     sBluetoothConnected.Update(bt.IsConnected());

tools/cmake/common.cmake

@@ -5,7 +5,7 @@
 # For more information about build system see
 # https://docs.espressif.com/projects/esp-idf/en/latest/api-guides/build-system.html
 
-set(PROJECT_VER "0.8.0")
+set(PROJECT_VER "0.8.1")
 
 # esp-idf sets the C++ standard weird. Set cmake vars to match.
 set(CMAKE_CXX_STANDARD 23)