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75 lines
1.9 KiB
75 lines
1.9 KiB
/*
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* Copyright 2024 jacqueline <me@jacqueline.id.au>
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*
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* SPDX-License-Identifier: GPL-3.0-only
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*/
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#include "input_touch_dpad.hpp"
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#include <cstdint>
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#include "hal/lv_hal_indev.h"
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#include "event_queue.hpp"
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#include "haptics.hpp"
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#include "input_device.hpp"
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#include "input_touch_dpad.hpp"
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#include "touchwheel.hpp"
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namespace input {
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static inline auto IsAngleWithin(int16_t wheel_angle,
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int16_t target_angle,
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int threshold) -> bool {
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int16_t difference = (wheel_angle - target_angle + 127 + 255) % 255 - 127;
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return difference <= threshold && difference >= -threshold;
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}
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TouchDPad::TouchDPad(drivers::TouchWheel& wheel) : wheel_(wheel) {}
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auto TouchDPad::read(lv_indev_data_t* data) -> void {
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wheel_.Update();
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auto wheel_data = wheel_.GetTouchWheelData();
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if (wheel_data.is_button_touched) {
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data->state = LV_INDEV_STATE_PRESSED;
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} else {
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data->state = LV_INDEV_STATE_RELEASED;
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}
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switch (up_.update(
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wheel_data.is_wheel_touched &&
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drivers::TouchWheel::isAngleWithin(wheel_data.wheel_position, 0, 32))) {
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case Trigger::State::kNone:
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break;
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default:
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data->enc_diff = -1;
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break;
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}
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switch (right_.update(
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wheel_data.is_wheel_touched &&
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drivers::TouchWheel::isAngleWithin(wheel_data.wheel_position, 192, 32))) {
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default:
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break;
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}
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switch (down_.update(
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wheel_data.is_wheel_touched &&
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drivers::TouchWheel::isAngleWithin(wheel_data.wheel_position, 128, 32))) {
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case Trigger::State::kNone:
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break;
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default:
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data->enc_diff = 1;
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break;
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}
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switch (left_.update(
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wheel_data.is_wheel_touched &&
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drivers::TouchWheel::isAngleWithin(wheel_data.wheel_position, 64, 32))) {
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case Trigger::State::kLongPress:
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events::Ui().Dispatch(ui::internal::BackPressed{});
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break;
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default:
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break;
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}
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}
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} // namespace input
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