ags10.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::ags10 {
 
enum AGS10SetZeroPointActionMode {
  // Zero-point reset.
  FACTORY_DEFAULT,
  // Zero-point calibration with current resistance.
  CURRENT_VALUE,
  // Zero-point calibration with custom resistance.
  CUSTOM_VALUE,
};
 
class AGS10Component final : public PollingComponent, public i2c::I2CDevice {
 public:
  void set_tvoc(sensor::Sensor *tvoc) { this->tvoc_ = tvoc; }
 
  void set_version(sensor::Sensor *version) { this->version_ = version; }
 
  void set_resistance(sensor::Sensor *resistance) { this->resistance_ = resistance; }
 
  void setup() override;
 
  void update() override;
 
  void dump_config() override;
 
  bool new_i2c_address(uint8_t newaddress);
 
  bool set_zero_point_with_factory_defaults();
 
  bool set_zero_point_with_current_resistance();
 
  void set_zero_point(AGS10SetZeroPointActionMode mode, uint16_t value);
 
  bool set_zero_point_with(uint16_t value);
 
 protected:
  sensor::Sensor *tvoc_{nullptr};
 
  sensor::Sensor *version_{nullptr};
 
  sensor::Sensor *resistance_{nullptr};
 
  enum ErrorCode {
    NONE = 0,
    COMMUNICATION_FAILED,
    CRC_CHECK_FAILED,
    ILLEGAL_STATUS,
    UNSUPPORTED_UNITS,
  } error_code_{NONE};
 
  optional<uint32_t> read_tvoc_();
 
  optional<uint8_t> read_version_();
 
  optional<uint32_t> read_resistance_();
 
  template<size_t N> optional<std::array<uint8_t, N>> read_and_check_(uint8_t a_register);
};
 
}  // namespace esphome::ags10