esphome::pcf8574::PCF8574GPIOPin Class Reference

Helper class to expose a PCF8574 pin as an internal input GPIO pin. More...

#include <pcf8574.h>

Inheritance diagram for esphome::pcf8574::PCF8574GPIOPin:

Public Member Functions
void	setup () override
void	pin_mode (gpio::Flags flags) override
bool	digital_read () override
void	digital_write (bool value) override
size_t	dump_summary (char *buffer, size_t len) const override
void	set_parent (PCF8574Component *parent)
void	set_pin (uint8_t pin)
void	set_inverted (bool inverted)
void	set_flags (gpio::Flags flags)
gpio::Flags	get_flags () const override
Public Member Functions inherited from esphome::GPIOPin

Protected Attributes
PCF8574Component *	parent_
uint8_t	pin_
bool	inverted_
gpio::Flags	flags_

Additional Inherited Members
Data Fields inherited from esphome::GPIOPin
virtual ESPDEPRECATED("Override dump_summary(char*, size_t) instead. Will be removed in 2026.7.0.", "2026.1.0") virtual std boo	is_internal )()
	Get a summary of this pin as a string.

Detailed Description

Helper class to expose a PCF8574 pin as an internal input GPIO pin.

Definition at line 51 of file pcf8574.h.

Member Function Documentation

digital_read()

bool esphome::pcf8574::PCF8574GPIOPin::digital_read ( )

overridevirtual

Implements esphome::GPIOPin.

Definition at line 107 of file pcf8574.cpp.

digital_write()

void esphome::pcf8574::PCF8574GPIOPin::digital_write ( bool value )

overridevirtual

Implements esphome::GPIOPin.

Definition at line 108 of file pcf8574.cpp.

dump_summary()

size_t esphome::pcf8574::PCF8574GPIOPin::dump_summary ( char * buffer, size_t len ) const

overridevirtual

Reimplemented from esphome::GPIOPin.

Definition at line 109 of file pcf8574.cpp.

get_flags()

gpio::Flags esphome::pcf8574::PCF8574GPIOPin::get_flags ( ) const

inlineoverridevirtual

Implements esphome::GPIOPin.

Definition at line 64 of file pcf8574.h.

pin_mode()

void esphome::pcf8574::PCF8574GPIOPin::pin_mode ( gpio::Flags flags )

overridevirtual

Implements esphome::GPIOPin.

Definition at line 106 of file pcf8574.cpp.

set_flags()

void esphome::pcf8574::PCF8574GPIOPin::set_flags ( gpio::Flags flags )

inline

Definition at line 62 of file pcf8574.h.

set_inverted()

void esphome::pcf8574::PCF8574GPIOPin::set_inverted ( bool inverted )

inline

Definition at line 61 of file pcf8574.h.

set_parent()

void esphome::pcf8574::PCF8574GPIOPin::set_parent ( PCF8574Component * parent )

inline

Definition at line 59 of file pcf8574.h.

set_pin()

void esphome::pcf8574::PCF8574GPIOPin::set_pin ( uint8_t pin )

inline

Definition at line 60 of file pcf8574.h.

setup()

void esphome::pcf8574::PCF8574GPIOPin::setup ( )

overridevirtual

Implements esphome::GPIOPin.

Definition at line 105 of file pcf8574.cpp.

Field Documentation

flags_

gpio::Flags esphome::pcf8574::PCF8574GPIOPin::flags_

protected

Definition at line 70 of file pcf8574.h.

inverted_

bool esphome::pcf8574::PCF8574GPIOPin::inverted_

protected

Definition at line 69 of file pcf8574.h.

parent_

PCF8574Component* esphome::pcf8574::PCF8574GPIOPin::parent_

protected

Definition at line 67 of file pcf8574.h.

pin_

uint8_t esphome::pcf8574::PCF8574GPIOPin::pin_

protected

Definition at line 68 of file pcf8574.h.

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

• esphome/components/pcf8574/pcf8574.h
• esphome/components/pcf8574/pcf8574.cpp