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#pragma once
#include <cmath>
#include "../common.h"
#include "../front_panel_hal.h"
#include "esphome/components/sensor/sensor.h"
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 light (this is implemented by the slider light 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 = max(0.0f, level - 2.0f);
float final_level = range_from_ + (slope_ * corrected_level);
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