Add nvs key for left padding

src/drivers/include/drivers/nvs.hpp

@@ -93,6 +93,9 @@ class NvsStorage {
   auto FastCharge() -> bool;
   auto FastCharge(bool) -> void;
 
+  auto DisplayLeftPadding() -> uint8_t;
+  auto DisplayLeftPadding(uint8_t) -> void;
+
   auto PreferredBluetoothDevice() -> std::optional<bluetooth::MacAndName>;
   auto PreferredBluetoothDevice(std::optional<bluetooth::MacAndName>) -> void;
 
@@ -174,6 +177,7 @@ class NvsStorage {
   Setting<uint8_t> lock_polarity_;
   Setting<uint16_t> display_cols_;
   Setting<uint16_t> display_rows_;
+  Setting<uint8_t> display_left_padding_;
   Setting<uint8_t> haptic_motor_type_;
   Setting<LraData> lra_calibration_;
   Setting<uint8_t> fast_charge_;

src/drivers/nvs.cpp

@@ -40,6 +40,7 @@ static constexpr char kKeyScrollSensitivity[] = "scroll";
 static constexpr char kKeyLockPolarity[] = "lockpol";
 static constexpr char kKeyDisplayCols[] = "dispcols";
 static constexpr char kKeyDisplayRows[] = "disprows";
+static constexpr char kKeyDisplayLeftPadding[] = "displeftpad";
 static constexpr char kKeyHapticMotorType[] = "hapticmtype";
 static constexpr char kKeyLraCalibration[] = "lra_cali";
 static constexpr char kKeyDbAutoIndex[] = "dbautoindex";
@@ -265,6 +266,7 @@ NvsStorage::NvsStorage(nvs_handle_t handle)
       lock_polarity_(kKeyLockPolarity),
       display_cols_(kKeyDisplayCols),
       display_rows_(kKeyDisplayRows),
+      display_left_padding_(kKeyDisplayLeftPadding),
       haptic_motor_type_(kKeyHapticMotorType),
       lra_calibration_(kKeyLraCalibration),
       fast_charge_(kKeyFastCharge),
@@ -295,6 +297,7 @@ auto NvsStorage::Read() -> void {
   lock_polarity_.read(handle_);
   display_cols_.read(handle_);
   display_rows_.read(handle_);
+  display_left_padding_.read(handle_);
   haptic_motor_type_.read(handle_);
   lra_calibration_.read(handle_);
   fast_charge_.read(handle_);
@@ -320,6 +323,7 @@ auto NvsStorage::Write() -> bool {
   lock_polarity_.write(handle_);
   display_cols_.write(handle_);
   display_rows_.write(handle_);
+  display_left_padding_.write(handle_);
   haptic_motor_type_.write(handle_);
   lra_calibration_.write(handle_);
   fast_charge_.write(handle_);
@@ -399,6 +403,16 @@ auto NvsStorage::DisplaySize(
   display_rows_.set(std::move(size.second));
 }
 
+auto NvsStorage::DisplayLeftPadding() -> uint8_t {
+  std::lock_guard<std::mutex> lock{mutex_};
+  return display_left_padding_.get().value_or(0);
+}
+
+auto NvsStorage::DisplayLeftPadding(uint8_t val) -> void {
+  std::lock_guard<std::mutex> lock{mutex_};
+  display_left_padding_.set(val);
+}
+
 auto NvsStorage::PreferredBluetoothDevice()
     -> std::optional<bluetooth::MacAndName> {
   std::lock_guard<std::mutex> lock{mutex_};