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/*
* Copyright 2023 jacqueline <me@jacqueline.id.au>
*
* SPDX-License-Identifier: GPL-3.0-only
*/
#include "encoder_input.hpp"
#include <sys/_stdint.h>
#include <memory>
#include "core/lv_group.h"
#include "gpios.hpp"
#include "hal/lv_hal_indev.h"
#include "relative_wheel.hpp"
#include "touchwheel.hpp"
namespace ui {
static void encoder_read(lv_indev_drv_t* drv, lv_indev_data_t* data) {
EncoderInput* instance = reinterpret_cast<EncoderInput*>(drv->user_data);
instance->Read(data);
}
EncoderInput::EncoderInput(drivers::IGpios& gpios, drivers::TouchWheel& wheel)
: gpios_(gpios),
raw_wheel_(wheel),
relative_wheel_(std::make_unique<drivers::RelativeWheel>(wheel)) {
lv_indev_drv_init(&driver_);
driver_.type = LV_INDEV_TYPE_ENCODER;
driver_.read_cb = encoder_read;
driver_.user_data = this;
registration_ = lv_indev_drv_register(&driver_);
}
auto EncoderInput::Read(lv_indev_data_t* data) -> void {
raw_wheel_.Update();
relative_wheel_->Update();
data->enc_diff = relative_wheel_->ticks();
data->state = relative_wheel_->is_clicking() ? LV_INDEV_STATE_PRESSED
: LV_INDEV_STATE_RELEASED;
}
} // namespace ui
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