This class implements support for the BMP280 Temperature+Pressure sensor. More...

#include <bmp280_base.h>

Inheritance diagram for esphome::bmp280_base::BMP280Component:

Public Member Functions
void	set_temperature_sensor (sensor::Sensor *temperature_sensor)

void	set_pressure_sensor (sensor::Sensor *pressure_sensor)

void	set_temperature_oversampling (BMP280Oversampling temperature_over_sampling)
	Set the oversampling value for the temperature sensor. Default is 16x.

void	set_pressure_oversampling (BMP280Oversampling pressure_over_sampling)
	Set the oversampling value for the pressure sensor. Default is 16x.

void	set_iir_filter (BMP280IIRFilter iir_filter)
	Set the IIR Filter used to increase accuracy, defaults to no IIR Filter.

void	setup () override

void	dump_config () override

void	update () override

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

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

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

void	call_setup () override

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

void	start_poller ()

void	stop_poller ()

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

virtual float	get_setup_priority () const
	priority of setup().

float	get_actual_setup_priority () const

void	set_setup_priority (float priority)

void	call ()

virtual void	on_shutdown ()

virtual void	on_safe_shutdown ()

virtual bool	teardown ()
	Called during teardown to allow component to gracefully finish operations.

virtual void	on_powerdown ()
	Called after teardown is complete to power down hardware.

uint8_t	get_component_state () const

void	reset_to_construction_state ()
	Reset this component back to the construction state to allow setup to run again.

bool	is_in_loop_state () const
	Check if this component has completed setup and is in the loop state.

bool	is_idle () const
	Check if this component is idle.

void	mark_failed ()
	Mark this component as failed.

	ESPDEPRECATED ("Use mark_failed(LOG_STR(\"static string literal\")) instead. Do NOT use .c_str() from temporary " "strings. Will stop working in 2026.6.0", "2025.12.0") void mark_failed(const char *message)

void	mark_failed (const LogString *message)

void	disable_loop ()
	Disable this component's loop.

void	enable_loop ()
	Enable this component's loop.

void	enable_loop_soon_any_context ()
	Thread and ISR-safe version of enable_loop() that can be called from any context.

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 ()

void	status_set_warning (const char *message)

void	status_set_warning (const LogString *message)

void	status_set_error ()

	ESPDEPRECATED ("Use status_set_error(LOG_STR(\"static string literal\")) instead. Do NOT use .c_str() from temporary " "strings. Will stop working in 2026.6.0", "2025.12.0") void status_set_error(const char *message)

void	status_set_error (const LogString *message)

void	status_clear_warning ()

void	status_clear_error ()

void	status_momentary_warning (const char *name, uint32_t length=5000)
	Set warning status flag and automatically clear it after a timeout.

void	status_momentary_error (const char *name, uint32_t length=5000)
	Set error status flag and automatically clear it after a timeout.

bool	has_overridden_loop () const

const LogString *	get_component_log_str () const ESPHOME_ALWAYS_INLINE
	Get the integration where this component was declared as a LogString for logging.

bool	should_warn_of_blocking (uint32_t blocking_time)

Protected Types
enum	ErrorCode { NONE = 0 , COMMUNICATION_FAILED , WRONG_CHIP_ID }

Protected Member Functions
virtual bool	bmp_read_byte (uint8_t a_register, uint8_t *data)=0

virtual bool	bmp_write_byte (uint8_t a_register, uint8_t data)=0

virtual bool	bmp_read_bytes (uint8_t a_register, uint8_t *data, size_t len)=0

virtual bool	bmp_read_byte_16 (uint8_t a_register, uint16_t *data)=0

float	read_temperature_ (int32_t *t_fine)
	Read the temperature value and store the calculated ambient temperature in t_fine.

float	read_pressure_ (int32_t t_fine)
	Read the pressure value in hPa using the provided t_fine value.

uint8_t	read_u8_ (uint8_t a_register)

uint16_t	read_u16_le_ (uint8_t a_register)

int16_t	read_s16_le_ (uint8_t a_register)

Protected Member Functions inherited from esphome::Component
friend	void::setup ()

friend	void::original_setup ()

void	set_component_source_ (uint8_t index)
	Set where this component was loaded from for some debug messages.

void	call_dump_config_ ()

void	enable_loop_slow_path_ ()

void	set_component_state_ (uint8_t state)
	Helper to set component state (clears state bits and sets new state)

bool	set_status_flag_ (uint8_t flag)
	Helper to set a status LED flag on both this component and the app.

void	set_interval (uint32_t id, uint32_t interval, std::function< void()> &&f)
	Set an interval function with a numeric ID (zero heap allocation).

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

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

bool	cancel_interval (uint32_t id)

bool	cancel_interval (InternalSchedulerID id)

ESPDEPRECATED("set_retry is deprecated and will be removed in 2026.8.0. Use set_timeout or set_interval instead.", "2026.2.0") void set_retry(const std	ESPDEPRECATED ("set_retry is deprecated and will be removed in 2026.8.0. Use set_timeout or set_interval instead.", "2026.2.0") void set_retry(const char *name

	ESPDEPRECATED ("set_retry is deprecated and will be removed in 2026.8.0. Use set_timeout or set_interval instead.", "2026.2.0") void set_retry(uint32_t id

	ESPDEPRECATED ("set_retry is deprecated and will be removed in 2026.8.0. Use set_timeout or set_interval instead.", "2026.2.0") void set_retry(uint32_t initial_wait_time

ESPDEPRECATED("cancel_retry is deprecated and will be removed in 2026.8.0.", "2026.2.0") bool cancel_retry(const std	ESPDEPRECATED ("cancel_retry is deprecated and will be removed in 2026.8.0.", "2026.2.0") bool cancel_retry(const char *name)

	ESPDEPRECATED ("cancel_retry is deprecated and will be removed in 2026.8.0.", "2026.2.0") bool cancel_retry(uint32_t id)

void	set_timeout (uint32_t id, uint32_t timeout, std::function< void()> &&f)
	Set a timeout function with a numeric ID (zero heap allocation).

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

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

bool	cancel_timeout (uint32_t id)

bool	cancel_timeout (InternalSchedulerID id)

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

void	defer (uint32_t id, std::function< void()> &&f)
	Defer a callback with a numeric ID (zero heap allocation)

bool	cancel_defer (uint32_t id)

void	status_clear_warning_slow_path_ ()

void	status_clear_error_slow_path_ ()

Protected Attributes
BMP280CalibrationData	calibration_

BMP280Oversampling	temperature_oversampling_ {BMP280_OVERSAMPLING_16X}

BMP280Oversampling	pressure_oversampling_ {BMP280_OVERSAMPLING_16X}

BMP280IIRFilter	iir_filter_ {BMP280_IIR_FILTER_OFF}

sensor::Sensor *	temperature_sensor_ {nullptr}

sensor::Sensor *	pressure_sensor_ {nullptr}

enum esphome::bmp280_base::BMP280Component::ErrorCode	NONE

Protected Attributes inherited from esphome::PollingComponent
uint32_t	update_interval_

Protected Attributes inherited from esphome::Component
ESPDEPRECATED("Use const char* or uint32_t overload instead. Removed in 2026.7.0", "2026.1.0") void set_interval(const std voi	set_interval )(const char *name, uint32_t interval, std::function< void()> &&f)
	Set an interval function with a unique name.

ESPDEPRECATED("Use const char* or uint32_t overload instead. Removed in 2026.7.0", "2026.1.0") bool cancel_interval(const std boo	cancel_interval )(const char *name)
	Cancel an interval function.

ESPDEPRECATED("set_retry is deprecated and will be removed in 2026.8.0. Use set_timeout or set_interval instead.", "2026.2.0") void set_retry(const std uint32_t	initial_wait_time

ESPDEPRECATED("set_retry is deprecated and will be removed in 2026.8.0. Use set_timeout or set_interval instead.", "2026.2.0") void set_retry(const std uint32_t uint8_t	max_attempts

ESPDEPRECATED("set_retry is deprecated and will be removed in 2026.8.0. Use set_timeout or set_interval instead.", "2026.2.0") void set_retry(const std uint32_t uint8_t std::function< RetryResult(uint8_t)> &&	f

ESPDEPRECATED("set_retry is deprecated and will be removed in 2026.8.0. Use set_timeout or set_interval instead.", "2026.2.0") void set_retry(const std uint32_t uint8_t std::function< RetryResult(uint8_t)> float	backoff_increase_factor = 1.0f)

uint32_t	initial_wait_time

uint32_t uint8_t	max_attempts

uint32_t uint8_t std::function< RetryResult(uint8_t)> &&	f

uint32_t uint8_t std::function< RetryResult(uint8_t)> float	backoff_increase_factor = 1.0f)

uint8_t	max_attempts

uint8_t std::function< RetryResult(uint8_t)> &&	f

uint8_t std::function< RetryResult(uint8_t)> float	backoff_increase_factor = 1.0f)

ESPDEPRECATED("Use const char* or uint32_t overload instead. Removed in 2026.7.0", "2026.1.0") void set_timeout(const std voi	set_timeout )(const char *name, uint32_t timeout, std::function< void()> &&f)
	Set a timeout function with a unique name.

ESPDEPRECATED("Use const char* or uint32_t overload instead. Removed in 2026.7.0", "2026.1.0") bool cancel_timeout(const std boo	cancel_timeout )(const char *name)
	Cancel a timeout function.

ESPDEPRECATED("Use const char* overload instead. Removed in 2026.7.0", "2026.1.0") void defer(const std voi	defer )(const char *name, std::function< void()> &&f)
	Defer a callback to the next loop() call.

ESPDEPRECATED("Use const char* overload instead. Removed in 2026.7.0", "2026.1.0") bool cancel_defer(const std boo	cancel_defer )(const char *name)
	Cancel a defer callback using the specified name, name must not be empty.

uint8_t	component_source_index_ {0}
	Index into component source PROGMEM lookup table (0 = not set)

uint8_t	warn_if_blocking_over_ {WARN_IF_BLOCKING_OVER_CS}
	Warn threshold in centiseconds (max 2550ms)

uint8_t	component_state_ {0x00}
	State of this component - each bit has a purpose: Bits 0-2: Component state (0x00=CONSTRUCTION, 0x01=SETUP, 0x02=LOOP, 0x03=FAILED, 0x04=LOOP_DONE) Bit 3: STATUS_LED_WARNING Bit 4: STATUS_LED_ERROR Bit 5: Has overridden loop() (set at registration time) Bits 6-7: Unused - reserved for future expansion.

volatile bool	pending_enable_loop_ {false}
	ISR-safe flag for enable_loop_soon_any_context.

ComponentRuntimeStats	runtime_stats_

Detailed Description

This class implements support for the BMP280 Temperature+Pressure sensor.

Definition at line 53 of file bmp280_base.h.

Member Enumeration Documentation

◆ ErrorCode

enum esphome::bmp280_base::BMP280Component::ErrorCode

protected

Enumerator
NONE
COMMUNICATION_FAILED
WRONG_CHIP_ID

Definition at line 89 of file bmp280_base.h.

Member Function Documentation

◆ bmp_read_byte()

virtual bool esphome::bmp280_base::BMP280Component::bmp_read_byte	(	uint8_t	a_register,
		uint8_t *	data )

protectedpure virtual

Implemented in esphome::bmp280_i2c::BMP280I2CComponent.

◆ bmp_read_byte_16()

virtual bool esphome::bmp280_base::BMP280Component::bmp_read_byte_16	(	uint8_t	a_register,
		uint16_t *	data )

protectedpure virtual

Implemented in esphome::bmp280_i2c::BMP280I2CComponent.

◆ bmp_read_bytes()

virtual bool esphome::bmp280_base::BMP280Component::bmp_read_bytes	(	uint8_t	a_register,
		uint8_t *	data,
		size_t	len )

protectedpure virtual

Implemented in esphome::bmp280_i2c::BMP280I2CComponent.

◆ bmp_write_byte()

virtual bool esphome::bmp280_base::BMP280Component::bmp_write_byte	(	uint8_t	a_register,
		uint8_t	data )

protectedpure virtual

Implemented in esphome::bmp280_i2c::BMP280I2CComponent.

◆ dump_config()

void esphome::bmp280_base::BMP280Component::dump_config ( )

overridevirtual

Reimplemented from esphome::Component.

Reimplemented in esphome::bmp280_i2c::BMP280I2CComponent.

Definition at line 130 of file bmp280_base.cpp.

◆ read_pressure_()

float esphome::bmp280_base::BMP280Component::read_pressure_ ( int32_t t_fine )

protected

Read the pressure value in hPa using the provided t_fine value.

Definition at line 213 of file bmp280_base.cpp.

◆ read_s16_le_()

int16_t esphome::bmp280_base::BMP280Component::read_s16_le_ ( uint8_t a_register )

protected

Definition at line 269 of file bmp280_base.cpp.

◆ read_temperature_()

float esphome::bmp280_base::BMP280Component::read_temperature_ ( int32_t * t_fine )

protected

Read the temperature value and store the calculated ambient temperature in t_fine.

Definition at line 189 of file bmp280_base.cpp.

◆ read_u16_le_()

uint16_t esphome::bmp280_base::BMP280Component::read_u16_le_ ( uint8_t a_register )

protected

Definition at line 264 of file bmp280_base.cpp.

◆ read_u8_()

uint8_t esphome::bmp280_base::BMP280Component::read_u8_ ( uint8_t a_register )

protected

Definition at line 259 of file bmp280_base.cpp.

◆ set_iir_filter()

void esphome::bmp280_base::BMP280Component::set_iir_filter ( BMP280IIRFilter iir_filter )

Set the IIR Filter used to increase accuracy, defaults to no IIR Filter.

Definition at line 258 of file bmp280_base.cpp.

◆ set_pressure_oversampling()

void esphome::bmp280_base::BMP280Component::set_pressure_oversampling ( BMP280Oversampling pressure_over_sampling )

Set the oversampling value for the pressure sensor. Default is 16x.

Definition at line 255 of file bmp280_base.cpp.

◆ set_pressure_sensor()

void esphome::bmp280_base::BMP280Component::set_pressure_sensor ( sensor::Sensor * pressure_sensor )

inline

Definition at line 56 of file bmp280_base.h.

◆ set_temperature_oversampling()

void esphome::bmp280_base::BMP280Component::set_temperature_oversampling ( BMP280Oversampling temperature_over_sampling )

Set the oversampling value for the temperature sensor. Default is 16x.

Definition at line 252 of file bmp280_base.cpp.

◆ set_temperature_sensor()

void esphome::bmp280_base::BMP280Component::set_temperature_sensor ( sensor::Sensor * temperature_sensor )

inline

Definition at line 55 of file bmp280_base.h.

◆ setup()

void esphome::bmp280_base::BMP280Component::setup ( )

overridevirtual

Reimplemented from esphome::Component.

Definition at line 61 of file bmp280_base.cpp.

◆ update()

void esphome::bmp280_base::BMP280Component::update ( )

overridevirtual

Implements esphome::PollingComponent.

Definition at line 154 of file bmp280_base.cpp.

Field Documentation

◆ calibration_

BMP280CalibrationData esphome::bmp280_base::BMP280Component::calibration_

protected

Definition at line 83 of file bmp280_base.h.

◆ iir_filter_

BMP280IIRFilter esphome::bmp280_base::BMP280Component::iir_filter_ {BMP280_IIR_FILTER_OFF}

protected

Definition at line 86 of file bmp280_base.h.

◆ NONE

enum esphome::bmp280_base::BMP280Component::ErrorCode esphome::bmp280_base::BMP280Component::NONE

protected

◆ pressure_oversampling_

BMP280Oversampling esphome::bmp280_base::BMP280Component::pressure_oversampling_ {BMP280_OVERSAMPLING_16X}

protected

Definition at line 85 of file bmp280_base.h.

◆ pressure_sensor_

sensor::Sensor* esphome::bmp280_base::BMP280Component::pressure_sensor_ {nullptr}

protected

Definition at line 88 of file bmp280_base.h.

◆ temperature_oversampling_

BMP280Oversampling esphome::bmp280_base::BMP280Component::temperature_oversampling_ {BMP280_OVERSAMPLING_16X}

protected

Definition at line 84 of file bmp280_base.h.

◆ temperature_sensor_

sensor::Sensor* esphome::bmp280_base::BMP280Component::temperature_sensor_ {nullptr}

protected

Definition at line 87 of file bmp280_base.h.

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

esphome/components/bmp280_base/bmp280_base.h
esphome/components/bmp280_base/bmp280_base.cpp

Public Member Functions

Protected Types

Protected Member Functions

Protected Attributes

Detailed Description

Member Enumeration Documentation

◆ ErrorCode

Member Function Documentation

◆ bmp_read_byte()

◆ bmp_read_byte_16()

◆ bmp_read_bytes()

◆ bmp_write_byte()

◆ dump_config()

◆ read_pressure_()

◆ read_s16_le_()

◆ read_temperature_()

◆ read_u16_le_()

◆ read_u8_()

◆ set_iir_filter()

◆ set_pressure_oversampling()

◆ set_pressure_sensor()

◆ set_temperature_oversampling()

◆ set_temperature_sensor()

◆ setup()

◆ update()

Field Documentation

◆ calibration_

◆ iir_filter_

◆ NONE

◆ pressure_oversampling_

◆ pressure_sensor_

◆ temperature_oversampling_

◆ temperature_sensor_