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/*
* 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 "feedback_haptics.hpp"
#include "input_touch_wheel.hpp"
#include "input_volume_buttons.hpp"
#include "lvgl.h"
#include "service_locator.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);
}
LvglInputDriver::LvglInputDriver(
std::shared_ptr<system_fsm::ServiceLocator> services)
: services_(services),
driver_(),
registration_(nullptr),
inputs_(),
feedbacks_(),
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;
registration_ = lv_indev_drv_register(&driver_);
// TODO: Make these devices configurable. I'm thinking each device gets an id
// and then we have:
// - a factory to create instance given an id
// - add/remove device methods on LvglInputDriver that operate on ids
// - the user's enabled devices (+ their configuration) stored in NVS.
auto touchwheel = services_->touchwheel();
if (touchwheel) {
inputs_.push_back(std::make_unique<TouchWheel>(**touchwheel));
}
inputs_.push_back(std::make_unique<VolumeButtons>(services_->gpios()));
feedbacks_.push_back(std::make_unique<Haptics>(services_->haptics()));
}
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
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