TactilityC additions (#287)

New TactilityC implementations for:
- WiFi
- GPS
- Preferences
- Timezone

Also includes:
- Some fixes to enums/naming
- Cleanup elsewhere

Tactility/Include/Tactility/Preferences.h

@@ -8,9 +8,13 @@ namespace tt {
 /**
  * Settings that persist on NVS flash for ESP32.
  * On simulator, the settings are only in-memory.
+ *
+ * Note that on ESP32, there are limitations:
+ * - namespace name is limited by NVS_NS_NAME_MAX_SIZE (generally 16 characters)
+ * - key is limited by NVS_KEY_NAME_MAX_SIZE (generally 16 characters)
  */
 class Preferences {
-private:
+
     const char* namespace_;
 
 public:

Tactility/Source/app/gpssettings/GpsSettings.cpp

@@ -24,8 +24,6 @@ extern const AppManifest manifest;
 
 class GpsSettingsApp final : public App {
 
-private:
-
     std::unique_ptr<Timer> timer;
     std::shared_ptr<GpsSettingsApp*> appReference = std::make_shared<GpsSettingsApp*>(this);
     lv_obj_t* statusWrapper = nullptr;
@@ -96,7 +94,7 @@ private:
         memcpy(&index, &index_as_voidptr, sizeof(int));
 
         std::vector<tt::hal::gps::GpsConfiguration> configurations;
-        auto gps_service = tt::service::gps::findGpsService();
+        auto gps_service = service::gps::findGpsService();
         if (gps_service && gps_service->getGpsConfigurations(configurations)) {
             TT_LOG_I(TAG, "Found service and configs %d %d", index, configurations.size());
             if (index <= configurations.size()) {