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