dht.h

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#pragma once
 
#include "esphome/core/component.h"
#include "esphome/core/hal.h"
#include "esphome/components/sensor/sensor.h"
 
namespace esphome {
namespace dht {
 
enum DHTModel {
  DHT_MODEL_AUTO_DETECT = 0,
  DHT_MODEL_DHT11,
  DHT_MODEL_DHT22,
  DHT_MODEL_AM2120,
  DHT_MODEL_AM2302,
  DHT_MODEL_RHT03,
  DHT_MODEL_SI7021,
  DHT_MODEL_DHT22_TYPE2
};
 
class DHT : public PollingComponent {
 public:
  void set_dht_model(DHTModel model);
 
  void set_pin(InternalGPIOPin *pin) {
    this->t_pin_ = pin;
    this->pin_ = pin->to_isr();
  }
  void set_model(DHTModel model) { model_ = model; }
  void set_temperature_sensor(sensor::Sensor *temperature_sensor) { temperature_sensor_ = temperature_sensor; }
  void set_humidity_sensor(sensor::Sensor *humidity_sensor) { humidity_sensor_ = humidity_sensor; }
 
  void setup() override;
  void dump_config() override;
  void update() override;
  float get_setup_priority() const override;
 
 protected:
  bool read_sensor_(float *temperature, float *humidity, bool report_errors);
 
  InternalGPIOPin *t_pin_;
  ISRInternalGPIOPin pin_;
  DHTModel model_{DHT_MODEL_AUTO_DETECT};
  bool is_auto_detect_{false};
  sensor::Sensor *temperature_sensor_{nullptr};
  sensor::Sensor *humidity_sensor_{nullptr};
};
 
}  // namespace dht
}  // namespace esphome