esphome::spi::NullPin Class Reference

A pin to replace those that don't exist. More...

#include <spi.h>

Inheritance diagram for esphome::spi::NullPin:

Public Member Functions
void	setup () override
void	pin_mode (gpio::Flags flags) override
gpio::Flags	get_flags () const override
bool	digital_read () override
void	digital_write (bool value) override
size_t	dump_summary (char *buffer, size_t len) const override
Public Member Functions inherited from esphome::GPIOPin

Static Protected Attributes
static GPIOPin *const	NULL_PIN = new NullPin()

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

A pin to replace those that don't exist.

Definition at line 105 of file spi.h.

Member Function Documentation

digital_read()

bool esphome::spi::NullPin::digital_read ( )

inlineoverridevirtual

Implements esphome::GPIOPin.

Definition at line 119 of file spi.h.

digital_write()

void esphome::spi::NullPin::digital_write ( bool value )

inlineoverridevirtual

Implements esphome::GPIOPin.

Definition at line 121 of file spi.h.

dump_summary()

size_t esphome::spi::NullPin::dump_summary ( char * buffer, size_t len ) const

inlineoverridevirtual

Reimplemented from esphome::GPIOPin.

Definition at line 123 of file spi.h.

get_flags()

gpio::Flags esphome::spi::NullPin::get_flags ( ) const

inlineoverridevirtual

Implements esphome::GPIOPin.

Definition at line 117 of file spi.h.

pin_mode()

void esphome::spi::NullPin::pin_mode ( gpio::Flags flags )

inlineoverridevirtual

Implements esphome::GPIOPin.

Definition at line 115 of file spi.h.

setup()

void esphome::spi::NullPin::setup ( )

inlineoverridevirtual

Implements esphome::GPIOPin.

Definition at line 113 of file spi.h.

Field Documentation

NULL_PIN

GPIOPin *const esphome::spi::NullPin::NULL_PIN = new NullPin()

staticprotected

Definition at line 130 of file spi.h.

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

• esphome/components/spi/spi.h
• esphome/components/spi/spi.cpp