gpio.h File Reference

Include dependency graph for gpio.h:

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Data Structures
struct	gpio_config
struct	gpio_pin_config

Enumerations
enum	gpio_direction { GPIO_DIRECTION_INPUT , GPIO_DIRECTION_OUTPUT }
enum	gpio_level { GPIO_LEVEL_LOW , GPIO_LEVEL_HIGH }

Functions
int	gpio_write (const struct gpio *gpio, unsigned int port, enum gpio_level level)
int	gpio_read (const struct gpio *gpio, unsigned int port)
int	gpio_configure (const struct gpio *gpio, unsigned int port, const struct gpio_config *config)
const struct gpio *	gpio_get (unsigned int id)
int	gpio_probe (const struct gpio *gpio)

Variables
const struct gpio_pin_config	gpio_data []
const int	n_gpios

Enumeration Type Documentation

gpio_direction

enum gpio_direction

Enumerator
GPIO_DIRECTION_INPUT
GPIO_DIRECTION_OUTPUT

gpio_level

enum gpio_level

Enumerator
GPIO_LEVEL_LOW
GPIO_LEVEL_HIGH

Function Documentation

gpio_configure()

int gpio_configure	(	const struct gpio *	gpio,
		unsigned int	port,
		const struct gpio_config *	config )

gpio_get()

const struct gpio * gpio_get

(

unsigned int

id

)

gpio_probe()

int gpio_probe

(

const struct gpio *

gpio

)

gpio_read()

int gpio_read	(	const struct gpio *	gpio,
		unsigned int	port )

gpio_write()

int gpio_write	(	const struct gpio *	gpio,
		unsigned int	port,
		enum gpio_level	level )

Variable Documentation

gpio_data

const struct gpio_pin_config gpio_data[]

extern

n_gpios

const int n_gpios

extern