1 files changed, 107 insertions, 0 deletions
diff --git a/src/input/lvgl_input_driver.cpp b/src/input/lvgl_input_driver.cpp
new file mode 100644
index 00000000..9698aa79
--- /dev/null
+++ b/src/input/lvgl_input_driver.cpp
@@ -0,0 +1,107 @@
+/*
+ * Copyright 2023 jacqueline <me@jacqueline.id.au>
+ *
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+
+#include "lvgl_input_driver.hpp"
+#include <stdint.h>
+
+#include <cstdint>
+#include <memory>
+#include <variant>
+
+#include "device_factory.hpp"
+#include "feedback_haptics.hpp"
+#include "input_touch_wheel.hpp"
+#include "input_trigger.hpp"
+#include "input_volume_buttons.hpp"
+#include "lvgl.h"
+#include "nvs.hpp"
+#include "property.hpp"
+
+[[maybe_unused]] static constexpr char kTag[] = "input";
+
+namespace input {
+
+static void read_cb(lv_indev_drv_t* drv, lv_indev_data_t* data) {
+  LvglInputDriver* instance =
+      reinterpret_cast<LvglInputDriver*>(drv->user_data);
+  instance->read(data);
+}
+
+static void feedback_cb(lv_indev_drv_t* drv, uint8_t event) {
+  LvglInputDriver* instance =
+      reinterpret_cast<LvglInputDriver*>(drv->user_data);
+  instance->feedback(event);
+}
+
+auto intToMode(int raw) -> std::optional<drivers::NvsStorage::InputModes> {
+  switch (raw) {
+    case 0:
+      return drivers::NvsStorage::InputModes::kButtonsOnly;
+    case 1:
+      return drivers::NvsStorage::InputModes::kButtonsWithWheel;
+    case 2:
+      return drivers::NvsStorage::InputModes::kDirectionalWheel;
+    case 3:
+      return drivers::NvsStorage::InputModes::kRotatingWheel;
+    default:
+      return {};
+  }
+}
+
+LvglInputDriver::LvglInputDriver(drivers::NvsStorage& nvs,
+                                 DeviceFactory& factory)
+    : nvs_(nvs),
+      factory_(factory),
+      mode_(static_cast<int>(nvs.PrimaryInput()),
+            [&](const lua::LuaValue& val) {
+              if (!std::holds_alternative<int>(val)) {
+                return false;
+              }
+              auto mode = intToMode(std::get<int>(val));
+              if (!mode) {
+                return false;
+              }
+              nvs.PrimaryInput(*mode);
+              inputs_ = factory.createInputs(*mode);
+              return true;
+            }),
+      driver_(),
+      registration_(nullptr),
+      inputs_(factory.createInputs(nvs.PrimaryInput())),
+      feedbacks_(factory.createFeedbacks()),
+      is_locked_(false) {
+  lv_indev_drv_init(&driver_);
+  driver_.type = LV_INDEV_TYPE_ENCODER;
+  driver_.read_cb = read_cb;
+  driver_.feedback_cb = feedback_cb;
+  driver_.user_data = this;
+  driver_.long_press_time = kLongPressDelayMs;
+  driver_.long_press_repeat_time = kRepeatDelayMs;
+
+  registration_ = lv_indev_drv_register(&driver_);
+}
+
+auto LvglInputDriver::read(lv_indev_data_t* data) -> void {
+  // TODO: we should pass lock state on to the individual devices, since they
+  // may wish to either ignore the lock state, or power down until unlock.
+  if (is_locked_) {
+    return;
+  }
+  for (auto&& device : inputs_) {
+    device->read(data);
+  }
+}
+
+auto LvglInputDriver::feedback(uint8_t event) -> void {
+  if (is_locked_) {
+    return;
+  }
+  for (auto&& device : feedbacks_) {
+    device->feedback(event);
+  }
+}
+
+}  // namespace input