- #pragma once
-
- #include "../common.h"
- #include "../front_panel_hal.h"
- #include "esphome/components/sensor/sensor.h"
- #include <cmath>
- #include <algorithm>
-
- namespace esphome {
- namespace xiaomi {
- namespace bslamp2 {
-
- /**
- * A sensor for the touch slider on the front panel of the
- * Xiaomi Mijia Bedside Lamp 2.
- *
- * This sensor publishes the level at which the slider was touched, so it
- * can be used to implement automations. Note that it does not represent
- * the brightness of the LED lights (this is implemented by the light output
- * component), nor the level as displayed by the slider using the front
- * panel illumination (this is implemented by the slider output component).
- */
- class XiaomiBslamp2SliderSensor : public sensor::Sensor, public Component {
- public:
- void set_parent(FrontPanelHAL *front_panel) { front_panel_ = front_panel; }
- void set_range_from(float from) { range_from_ = from; }
- void set_range_to(float to) { range_to_ = to; }
-
- void setup() {
- slope_ = (range_to_ - range_from_) / 19.0f;
-
- front_panel_->add_on_event_callback([this](EVENT ev) {
- if ((ev & FLAG_PART_MASK) == FLAG_PART_SLIDER) {
- float level = (ev & FLAG_LEVEL_MASK) >> FLAG_LEVEL_SHIFT;
-
- // Slider level 1 is really hard to touch. It is between
- // the power button and the slider space, so it doesn't
- // look like this one was ever meant to be used, or that
- // the design was faulty on this. Therefore, level 1 is
- // ignored. The resulting range of levels is 0-19.
- float corrected_level = std::max(0.0f, level - 2.0f);
-
- float final_level = range_from_ + (slope_ * corrected_level);
-
- // Accomodate for rounding errors that might push the result
- // value just past the "range to" value.
- if (final_level > range_to_) {
- final_level = range_to_;
- }
-
- this->publish_state(final_level);
- }
- });
- }
-
- void dump_config() {
- ESP_LOGCONFIG(TAG, "Front panel slider sensor:");
- ESP_LOGCONFIG(TAG, " Range from: %f", range_from_);
- ESP_LOGCONFIG(TAG, " Range to: %f", range_to_);
- }
-
- protected:
- FrontPanelHAL *front_panel_;
- float range_from_;
- float range_to_;
- float slope_;
- };
-
- } // namespace bslamp2
- } // namespace xiaomi
- } // namespace esphome
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