filter.h

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#pragma once
 
#include "esphome/core/automation.h"
#include "esphome/core/component.h"
#include "esphome/core/helpers.h"
 
#include <vector>
 
namespace esphome {
 
namespace binary_sensor {
 
class BinarySensor;
 
class Filter {
 public:
  virtual optional<bool> new_value(bool value, bool is_initial) = 0;
 
  void input(bool value, bool is_initial);
 
  void output(bool value, bool is_initial);
 
 protected:
  friend BinarySensor;
 
  Filter *next_{nullptr};
  BinarySensor *parent_{nullptr};
  Deduplicator<bool> dedup_;
};
 
class DelayedOnOffFilter : public Filter, public Component {
 public:
  optional<bool> new_value(bool value, bool is_initial) override;
 
  float get_setup_priority() const override;
 
  template<typename T> void set_on_delay(T delay) { this->on_delay_ = delay; }
  template<typename T> void set_off_delay(T delay) { this->off_delay_ = delay; }
 
 protected:
  TemplatableValue<uint32_t> on_delay_{};
  TemplatableValue<uint32_t> off_delay_{};
};
 
class DelayedOnFilter : public Filter, public Component {
 public:
  optional<bool> new_value(bool value, bool is_initial) override;
 
  float get_setup_priority() const override;
 
  template<typename T> void set_delay(T delay) { this->delay_ = delay; }
 
 protected:
  TemplatableValue<uint32_t> delay_{};
};
 
class DelayedOffFilter : public Filter, public Component {
 public:
  optional<bool> new_value(bool value, bool is_initial) override;
 
  float get_setup_priority() const override;
 
  template<typename T> void set_delay(T delay) { this->delay_ = delay; }
 
 protected:
  TemplatableValue<uint32_t> delay_{};
};
 
class InvertFilter : public Filter {
 public:
  optional<bool> new_value(bool value, bool is_initial) override;
};
 
struct AutorepeatFilterTiming {
  AutorepeatFilterTiming(uint32_t delay, uint32_t off, uint32_t on) {
    this->delay = delay;
    this->time_off = off;
    this->time_on = on;
  }
  uint32_t delay;
  uint32_t time_off;
  uint32_t time_on;
};
 
class AutorepeatFilter : public Filter, public Component {
 public:
  explicit AutorepeatFilter(std::vector<AutorepeatFilterTiming> timings);
 
  optional<bool> new_value(bool value, bool is_initial) override;
 
  float get_setup_priority() const override;
 
 protected:
  void next_timing_();
  void next_value_(bool val);
 
  std::vector<AutorepeatFilterTiming> timings_;
  uint8_t active_timing_{0};
};
 
class LambdaFilter : public Filter {
 public:
  explicit LambdaFilter(std::function<optional<bool>(bool)> f);
 
  optional<bool> new_value(bool value, bool is_initial) override;
 
 protected:
  std::function<optional<bool>(bool)> f_;
};
 
class SettleFilter : public Filter, public Component {
 public:
  optional<bool> new_value(bool value, bool is_initial) override;
 
  float get_setup_priority() const override;
 
  template<typename T> void set_delay(T delay) { this->delay_ = delay; }
 
 protected:
  TemplatableValue<uint32_t> delay_{};
  bool steady_{true};
};
 
}  // namespace binary_sensor
 
}  // namespace esphome