Flesh out onboarding a little, and add a way to get into it

2 files changed, 19 insertions, 0 deletions

diff --git a/src/drivers/include/nvs.hpp b/src/drivers/include/nvs.hpp
index d7b3dfdd..91b68bc4 100644
--- a/src/drivers/include/nvs.hpp
+++ b/src/drivers/include/nvs.hpp
@@ -43,6 +43,9 @@ class NvsStorage {
   auto AmpCurrentVolume() -> std::future<uint16_t>;
   auto AmpCurrentVolume(uint16_t) -> std::future<bool>;
 
+  auto HasShownOnboarding() -> std::future<bool>;
+  auto HasShownOnboarding(bool) -> std::future<bool>;
+
   explicit NvsStorage(std::unique_ptr<tasks::Worker>, nvs_handle_t);
   ~NvsStorage();
 
diff --git a/src/drivers/nvs.cpp b/src/drivers/nvs.cpp
index 7bd1afe2..0a466b16 100644
--- a/src/drivers/nvs.cpp
+++ b/src/drivers/nvs.cpp
@@ -30,6 +30,7 @@ static constexpr char kKeyOutput[] = "out";
 static constexpr char kKeyBrightness[] = "bright";
 static constexpr char kKeyAmpMaxVolume[] = "hp_vol_max";
 static constexpr char kKeyAmpCurrentVolume[] = "hp_vol";
+static constexpr char kKeyOnboarded[] = "intro";
 
 auto NvsStorage::OpenSync() -> NvsStorage* {
   esp_err_t err = nvs_flash_init();
@@ -187,4 +188,19 @@ auto NvsStorage::AmpCurrentVolume(uint16_t val) -> std::future<bool> {
   });
 }
 
+auto NvsStorage::HasShownOnboarding() -> std::future<bool> {
+  return writer_->Dispatch<bool>([&]() -> bool {
+    uint8_t out = true;
+    nvs_get_u8(handle_, kKeyOnboarded, &out);
+    return out;
+  });
+}
+
+auto NvsStorage::HasShownOnboarding(bool val) -> std::future<bool> {
+  return writer_->Dispatch<bool>([&]() {
+    nvs_set_u8(handle_, kKeyOnboarded, val);
+    return nvs_commit(handle_) == ESP_OK;
+  });
+}
+
 }  // namespace drivers