sds011.h

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#pragma once
 
#include "esphome/core/component.h"
#include "esphome/core/helpers.h"
#include "esphome/components/sensor/sensor.h"
#include "esphome/components/uart/uart.h"
 
namespace esphome {
namespace sds011 {
 
class SDS011Component : public Component, public uart::UARTDevice {
 public:
  SDS011Component() = default;
 
  void set_rx_mode_only(bool rx_mode_only);
 
  void set_pm_2_5_sensor(sensor::Sensor *pm_2_5_sensor) { pm_2_5_sensor_ = pm_2_5_sensor; }
  void set_pm_10_0_sensor(sensor::Sensor *pm_10_0_sensor) { pm_10_0_sensor_ = pm_10_0_sensor; }
  void setup() override;
  void dump_config() override;
  void loop() override;
 
  float get_setup_priority() const override;
 
  void set_update_interval(uint32_t val) { /* ignore */
  }
  void set_update_interval_min(uint8_t update_interval_min);
  void set_working_state(bool working_state);
 
 protected:
  void sds011_write_command_(const uint8_t *command);
  uint8_t sds011_checksum_(const uint8_t *command_data, uint8_t length) const;
  optional<bool> check_byte_() const;
  void parse_data_();
  uint16_t get_16_bit_uint_(uint8_t start_index) const {
    return encode_uint16(this->data_[start_index + 1], this->data_[start_index]);
  }
 
  sensor::Sensor *pm_2_5_sensor_{nullptr};
  sensor::Sensor *pm_10_0_sensor_{nullptr};
 
  uint8_t data_[10];
  uint8_t data_index_{0};
  uint32_t last_transmission_{0};
  uint8_t update_interval_min_;
 
  bool rx_mode_only_;
};
 
}  // namespace sds011
}  // namespace esphome