From 00d6c2eca20571f1a53400f4f465c8dd7af557db Mon Sep 17 00:00:00 2001
From: jacqueline <me@jacqueline.id.au>
Date: Tue, 14 May 2024 15:21:21 +1000
Subject: save lra calibration data to nvs

---
 src/drivers/include/drivers/haptics.hpp | 16 ++++------------
 src/drivers/include/drivers/nvs.hpp     | 13 ++++++++++++-
 2 files changed, 16 insertions(+), 13 deletions(-)

(limited to 'src/drivers/include')

diff --git a/src/drivers/include/drivers/haptics.hpp b/src/drivers/include/drivers/haptics.hpp
index a9384fa4..e4666fad 100644
--- a/src/drivers/include/drivers/haptics.hpp
+++ b/src/drivers/include/drivers/haptics.hpp
@@ -14,23 +14,15 @@
 #include <string>
 #include <variant>
 
-namespace drivers {
+#include "drivers/nvs.hpp"
 
-typedef std::monostate ErmMotor;
-struct LraMotor {
-  // TODO: fill out with calibration data from
-  // https://www.ti.com/lit/ds/symlink/drv2605l.pdf
-  bool hi;
-};
+namespace drivers {
 
 class Haptics {
  public:
-  static auto Create(const std::variant<ErmMotor, LraMotor>& motor)
-      -> Haptics* {
-    return new Haptics(motor);
-  }
+  static auto Create(NvsStorage& nvs) -> Haptics* { return new Haptics(nvs); }
 
-  Haptics(const std::variant<ErmMotor, LraMotor>& motor);
+  Haptics(NvsStorage& nvs);
   ~Haptics();
 
   // Not copyable or movable.
diff --git a/src/drivers/include/drivers/nvs.hpp b/src/drivers/include/drivers/nvs.hpp
index 83bb8097..88dd5ae0 100644
--- a/src/drivers/include/drivers/nvs.hpp
+++ b/src/drivers/include/drivers/nvs.hpp
@@ -78,7 +78,17 @@ class NvsStorage {
 
   auto HapticMotorIsErm() -> bool;
   auto HapticMotorIsErm(bool) -> void;
-  // /Hardware Compatibility
+
+  struct LraData {
+    uint8_t compensation;
+    uint8_t back_emf;
+    uint8_t gain;
+
+    bool operator==(const LraData&) const = default;
+  };
+
+  auto LraCalibration() -> std::optional<LraData>;
+  auto LraCalibration(const LraData&) -> void;
 
   auto PreferredBluetoothDevice() -> std::optional<bluetooth::MacAndName>;
   auto PreferredBluetoothDevice(std::optional<bluetooth::MacAndName>) -> void;
@@ -135,6 +145,7 @@ class NvsStorage {
   Setting<uint16_t> display_cols_;
   Setting<uint16_t> display_rows_;
   Setting<uint8_t> haptic_motor_type_;
+  Setting<LraData> lra_calibration_;
 
   Setting<uint8_t> brightness_;
   Setting<uint8_t> sensitivity_;
-- 
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