mlx90614.h

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#pragma once
 
#include "esphome/components/i2c/i2c.h"
#include "esphome/components/sensor/sensor.h"
#include "esphome/core/component.h"
 
namespace esphome::mlx90614 {
 
class MLX90614Component final : public PollingComponent, public i2c::I2CDevice {
 public:
  void setup() override;
  void dump_config() override;
  void update() override;
 
  void set_ambient_sensor(sensor::Sensor *ambient_sensor) { ambient_sensor_ = ambient_sensor; }
  void set_object_sensor(sensor::Sensor *object_sensor) { object_sensor_ = object_sensor; }
 
  void set_emissivity(float emissivity) { emissivity_ = emissivity; }
 
 protected:
  void try_write_emissivity_();
  bool write_emissivity_();
 
  bool write_register_(uint8_t reg, uint16_t data);
  i2c::ErrorCode read_register_(uint8_t reg, uint16_t &data);
 
  sensor::Sensor *ambient_sensor_{nullptr};
  sensor::Sensor *object_sensor_{nullptr};
 
  float emissivity_{NAN};
  // Remaining attempts to program the emissivity EEPROM cell, bounded to limit cell wear
  uint8_t emissivity_write_attempts_{0};
  bool emissivity_write_failed_{false};
};
}  // namespace esphome::mlx90614