GpioCharDev Class Reference

#include <gpio_char_dev.h>

Inheritance diagram for GpioCharDev:

Collaboration diagram for GpioCharDev:

Public Member Functions
	GpioCharDev (uint32_t gpio_number, GpioDirection direction, GpioState state, std::string char_dev_path="/dev/gpiochip0")
virtual	~GpioCharDev ()
void	setValue (GpioState state) override
GpioState	getValue () override

Detailed Description

GPIO with the character device interface

Available on Linux kernels 5.10 and later.

Constructor & Destructor Documentation

GpioCharDev()

GpioCharDev	(	uint32_t	gpio_number,
		GpioDirection	direction,
		GpioState	state,
		std::string	char_dev_path = "/dev/gpiochip0"
	)

Communicate with GPIO pins via the new GPIO character device interface: https://www.kernel.org/doc/html/next/userspace-api/gpio/chardev.html

Parameters

gpio_number	The gpio number
direction	The direction of the gpio
state	The initial state of the gpio
char_dev_path	The path to the gpio character device

~GpioCharDev()

~GpioCharDev ( )

virtual

Destructor

Member Function Documentation

getValue()

GpioState getValue ( )

overridevirtual

Get the current state of the gpio

Implements Gpio.

setValue()

void setValue ( GpioState  state )

overridevirtual

Set the value to the provided state

Parameters

state

The state

Implements Gpio.

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

• src/software/embedded/gpio_char_dev.h
• src/software/embedded/gpio_char_dev.cpp