ee895.h

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#pragma once
 
#include "esphome/core/component.h"
#include "esphome/components/sensor/sensor.h"
#include "esphome/components/i2c/i2c.h"
 
namespace esphome::ee895 {
 
class EE895Component : public PollingComponent, public i2c::I2CDevice {
 public:
  void set_co2_sensor(sensor::Sensor *co2) { co2_sensor_ = co2; }
  void set_temperature_sensor(sensor::Sensor *temperature_sensor) { temperature_sensor_ = temperature_sensor; }
  void set_pressure_sensor(sensor::Sensor *pressure_sensor) { pressure_sensor_ = pressure_sensor; }
 
  void setup() override;
  void dump_config() override;
  void update() override;
 
 protected:
  void write_command_(uint16_t addr, uint16_t reg_cnt);
  float read_float_();
  uint16_t calc_crc16_(const uint8_t buf[], uint8_t len);
  sensor::Sensor *co2_sensor_{nullptr};
  sensor::Sensor *temperature_sensor_{nullptr};
  sensor::Sensor *pressure_sensor_{nullptr};
 
  enum ErrorCode { NONE = 0, COMMUNICATION_FAILED, CRC_CHECK_FAILED } error_code_{NONE};
};
 
}  // namespace esphome::ee895