Component for reading temperature/humidity measurements from DHT11/DHT22 sensors. More...

#include <dht.h>

Inheritance diagram for esphome::dht::DHT:

Public Member Functions
void	set_dht_model (DHTModel model)
	Manually select the DHT model. More...

void	set_pin (InternalGPIOPin *pin)

void	set_model (DHTModel model)

void	set_temperature_sensor (sensor::Sensor *temperature_sensor)

void	set_humidity_sensor (sensor::Sensor *humidity_sensor)

void	setup () override
	Set up the pins and check connection. More...

void	dump_config () override

void	update () override
	Update sensor values and push them to the frontend. More...

float	get_setup_priority () const override
	HARDWARE_LATE setup priority. More...

Public Member Functions inherited from esphome::PollingComponent
	PollingComponent ()

	PollingComponent (uint32_t update_interval)
	Initialize this polling component with the given update interval in ms. More...

virtual void	set_update_interval (uint32_t update_interval)
	Manually set the update interval in ms for this polling object. More...

void	call_setup () override

virtual uint32_t	get_update_interval () const
	Get the update interval in ms of this sensor. More...

void	start_poller ()

void	stop_poller ()

Public Member Functions inherited from esphome::Component
virtual void	loop ()
	This method will be called repeatedly. More...

float	get_actual_setup_priority () const

void	set_setup_priority (float priority)

virtual float	get_loop_priority () const
	priority of loop(). More...

void	call ()

virtual void	on_shutdown ()

virtual void	on_safe_shutdown ()

uint32_t	get_component_state () const

virtual void	mark_failed ()
	Mark this component as failed. More...

bool	is_failed () const

bool	is_ready () const

virtual bool	can_proceed ()

bool	status_has_warning () const

bool	status_has_error () const

void	status_set_warning (const char *message="unspecified")

void	status_set_error (const char *message="unspecified")

void	status_clear_warning ()

void	status_clear_error ()

void	status_momentary_warning (const std::string &name, uint32_t length=5000)

void	status_momentary_error (const std::string &name, uint32_t length=5000)

bool	has_overridden_loop () const

void	set_component_source (const char *source)
	Set where this component was loaded from for some debug messages. More...

const char *	get_component_source () const
	Get the integration where this component was declared as a string. More...

Protected Member Functions
bool	read_sensor_ (float temperature, float humidity, bool report_errors)

Protected Member Functions inherited from esphome::Component
virtual void	call_loop ()

virtual void	call_dump_config ()

void	set_interval (const std::string &name, uint32_t interval, std::function< void()> &&f)
	Set an interval function with a unique name. More...

void	set_interval (uint32_t interval, std::function< void()> &&f)

bool	cancel_interval (const std::string &name)
	Cancel an interval function. More...

void	set_retry (const std::string &name, uint32_t initial_wait_time, uint8_t max_attempts, std::function< RetryResult(uint8_t)> &&f, float backoff_increase_factor=1.0f)
	Set an retry function with a unique name. More...

void	set_retry (uint32_t initial_wait_time, uint8_t max_attempts, std::function< RetryResult(uint8_t)> &&f, float backoff_increase_factor=1.0f)

bool	cancel_retry (const std::string &name)
	Cancel a retry function. More...

void	set_timeout (const std::string &name, uint32_t timeout, std::function< void()> &&f)
	Set a timeout function with a unique name. More...

void	set_timeout (uint32_t timeout, std::function< void()> &&f)

bool	cancel_timeout (const std::string &name)
	Cancel a timeout function. More...

void	defer (const std::string &name, std::function< void()> &&f)
	Defer a callback to the next loop() call. More...

void	defer (std::function< void()> &&f)
	Defer a callback to the next loop() call. More...

bool	cancel_defer (const std::string &name)
	Cancel a defer callback using the specified name, name must not be empty. More...

Protected Attributes
InternalGPIOPin *	pin_

DHTModel	model_ {DHT_MODEL_AUTO_DETECT}

bool	is_auto_detect_ {false}

sensor::Sensor *	temperature_sensor_ {nullptr}

sensor::Sensor *	humidity_sensor_ {nullptr}

Protected Attributes inherited from esphome::PollingComponent
uint32_t	update_interval_

Protected Attributes inherited from esphome::Component
uint32_t	component_state_ {0x0000}
	State of this component. More...

float	setup_priority_override_ {NAN}

const char *	component_source_ {nullptr}

Detailed Description

Component for reading temperature/humidity measurements from DHT11/DHT22 sensors.

Definition at line 22 of file dht.h.

Member Function Documentation

◆ dump_config()

void esphome::dht::DHT::dump_config ( )

overridevirtual

Reimplemented from esphome::Component.

Definition at line 16 of file dht.cpp.

◆ get_setup_priority()

float esphome::dht::DHT::get_setup_priority ( ) const

overridevirtual

HARDWARE_LATE setup priority.

Reimplemented from esphome::Component.

Definition at line 69 of file dht.cpp.

◆ read_sensor_()

bool HOT IRAM_ATTR esphome::dht::DHT::read_sensor_	(	float *	temperature,
		float *	humidity,
		bool	report_errors
	)

protected

Definition at line 74 of file dht.cpp.

◆ set_dht_model()

void esphome::dht::DHT::set_dht_model ( DHTModel model )

Manually select the DHT model.

Valid values are:

DHT_MODEL_AUTO_DETECT (default)
DHT_MODEL_DHT11
DHT_MODEL_DHT22
DHT_MODEL_AM2120
DHT_MODEL_AM2302
DHT_MODEL_RHT03
DHT_MODEL_SI7021
DHT_MODEL_DHT22_TYPE2

Parameters

model The DHT model.

Definition at line 70 of file dht.cpp.

◆ set_humidity_sensor()

void esphome::dht::DHT::set_humidity_sensor ( sensor::Sensor * humidity_sensor )

inline

Definition at line 44 of file dht.h.

◆ set_model()

void esphome::dht::DHT::set_model ( DHTModel model )

inline

Definition at line 42 of file dht.h.

◆ set_pin()

void esphome::dht::DHT::set_pin ( InternalGPIOPin * pin )

inline

Definition at line 41 of file dht.h.

◆ set_temperature_sensor()

void esphome::dht::DHT::set_temperature_sensor ( sensor::Sensor * temperature_sensor )

inline

Definition at line 43 of file dht.h.

◆ setup()

void esphome::dht::DHT::setup ( )

overridevirtual

Set up the pins and check connection.

Reimplemented from esphome::Component.

Definition at line 10 of file dht.cpp.

◆ update()

void esphome::dht::DHT::update ( )

overridevirtual

Update sensor values and push them to the frontend.

Implements esphome::PollingComponent.

Definition at line 33 of file dht.cpp.

Field Documentation

◆ humidity_sensor_

sensor::Sensor* esphome::dht::DHT::humidity_sensor_ {nullptr}

protected

Definition at line 61 of file dht.h.

◆ is_auto_detect_

bool esphome::dht::DHT::is_auto_detect_ {false}

protected

Definition at line 59 of file dht.h.

◆ model_

DHTModel esphome::dht::DHT::model_ {DHT_MODEL_AUTO_DETECT}

protected

Definition at line 58 of file dht.h.

◆ pin_

InternalGPIOPin* esphome::dht::DHT::pin_

protected

Definition at line 57 of file dht.h.

◆ temperature_sensor_

sensor::Sensor* esphome::dht::DHT::temperature_sensor_ {nullptr}

protected

Definition at line 60 of file dht.h.

The documentation for this class was generated from the following files:

/opt/build/esphome/esphome/components/dht/dht.h
/opt/build/esphome/esphome/components/dht/dht.cpp

Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

Member Function Documentation

◆ dump_config()

◆ get_setup_priority()

◆ read_sensor_()

◆ set_dht_model()

◆ set_humidity_sensor()

◆ set_model()

◆ set_pin()

◆ set_temperature_sensor()

◆ setup()

◆ update()

Field Documentation

◆ humidity_sensor_

◆ is_auto_detect_

◆ model_

◆ pin_

◆ temperature_sensor_