Fix some logging, add transition to missing storage

src/system_fsm/booting.cpp

@@ -74,7 +74,7 @@ auto Booting::entry() -> void {
 }
 
 auto Booting::react(const BootComplete& ev) -> void {
-  ESP_LOGE(kTag, "bootup completely successfully");
+  ESP_LOGI(kTag, "bootup completely successfully");
   // It's possible that the SAMD is currently exposing the SD card as a USB
   // device. Make sure we don't immediately try to claim it.
   if (sSamd && sSamd->ReadUsbMscStatus() ==

src/system_fsm/include/system_fsm.hpp

@@ -37,6 +37,7 @@ class SystemState : public tinyfsm::Fsm<SystemState> {
   virtual void react(const StorageUnmountRequested&) {}
   virtual void react(const internal::ReadyToUnmount&) {}
   virtual void react(const StorageMounted&) {}
+  virtual void react(const StorageError&) {}
 
  protected:
   static std::shared_ptr<drivers::GpioExpander> sGpioExpander;
@@ -74,6 +75,7 @@ class Running : public SystemState {
 
   void react(const StorageUnmountRequested&) override;
   void react(const internal::ReadyToUnmount&) override;
+  void react(const StorageError&) override;
   using SystemState::react;
 };
 

src/system_fsm/running.cpp

@@ -11,11 +11,14 @@
 namespace system_fsm {
 namespace states {
 
+static const char kTag[] = "RUN";
+
 /*
  * Ensure the storage and database are both available. If either of these fails
  * to open, then we assume it's an issue with the underlying SD card.
  */
 void Running::entry() {
+  ESP_LOGI(kTag, "mounting sd card");
   auto storage_res = drivers::SdStorage::Create(sGpioExpander.get());
   if (storage_res.has_error()) {
     events::Dispatch<StorageError, SystemState, audio::AudioState, ui::UiState>(
@@ -24,6 +27,7 @@ void Running::entry() {
   }
   sStorage.reset(storage_res.value());
 
+  ESP_LOGI(kTag, "opening database");
   auto database_res = database::Database::Open();
   if (database_res.has_error()) {
     events::Dispatch<StorageError, SystemState, audio::AudioState, ui::UiState>(
@@ -32,6 +36,7 @@ void Running::entry() {
   }
   sDatabase.reset(database_res.value());
 
+  ESP_LOGI(kTag, "storage loaded okay");
   events::Dispatch<StorageMounted, SystemState, audio::AudioState, ui::UiState>(
       StorageMounted());
 }
@@ -50,5 +55,10 @@ void Running::react(const internal::ReadyToUnmount& ev) {
   transit<Unmounted>();
 }
 
+void Running::react(const StorageError& ev) {
+  ESP_LOGW(kTag, "error loading storage");
+  transit<Unmounted>();
+}
+
 }  // namespace states
 }  // namespace system_fsm