motion_binary_sensor.h

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#pragma once
 
#include "esphome/core/component.h"
#include "esphome/components/binary_sensor/binary_sensor.h"
#include "../motion_component.h"
 
namespace esphome::motion {
 
enum MotionBinarySensorType : uint8_t {
  MOTION_BINARY_SENSOR_FACE_UP = 0,
  MOTION_BINARY_SENSOR_FACE_DOWN,
  MOTION_BINARY_SENSOR_FREE_FALL,
  MOTION_BINARY_SENSOR_MOVING,
};
 
class MotionBinarySensor : public Component, public binary_sensor::BinarySensor {
 public:
  explicit MotionBinarySensor(MotionComponent *parent, MotionBinarySensorType type);
 
  void setup() override;
  void dump_config() override;
 
  void set_threshold(float threshold) { this->threshold_ = threshold; }
  void set_duration(uint32_t duration) { this->duration_ = duration; }
 
 protected:
  void process_motion_data_(const MotionData &data);
 
  static bool is_stationary(const MotionData &data);
 
  MotionComponent *parent_;
  float threshold_{0.0f};
  uint32_t duration_{0};
 
  // Tracking states
  uint32_t last_event_time_{0};
  uint32_t free_fall_start_time_{0};
 
  // For derivative/variance tracking
  float last_accel_[3]{NAN, NAN, NAN};
  float last_gyro_[3]{NAN, NAN, NAN};
 
  MotionBinarySensorType type_;
  bool free_fall_candidate_{false};
};
 
}  // namespace esphome::motion