GPIO KeysDriver APIs

GPIO Keys Driver APIs. More...

Data Structures
struct	gpio_keys_api

Functions
int	gpio_keys_enable_interrupt (const struct device *dev, gpio_keys_callback_handler_t cb)
	Enable interrupt. More...
int	gpio_keys_disable_interrupt (const struct device *dev)
	Disable interrupt. More...
int	gpio_keys_get_pin (const struct device *dev, uint32_t idx)
	Get the logical level of GPIO Key. More...

Detailed Description

GPIO Keys Driver APIs.

Function Documentation

gpio_keys_disable_interrupt()

int gpio_keys_disable_interrupt

(

const struct device *

dev

)

#include <include/zephyr/drivers/gpio_keys.h>

Disable interrupt.

Parameters

dev	Pointer to device structure for the driver instance.

Returns

0 If successful

gpio_keys_enable_interrupt()

int gpio_keys_enable_interrupt	(	const struct device *	dev,
		gpio_keys_callback_handler_t	cb
	)

#include <include/zephyr/drivers/gpio_keys.h>

Enable interrupt.

Parameters

dev	Pointer to device structure for the driver instance.
cb	Function callback to be invoked after GPIO key has been debounced

Returns

0 If successful

gpio_keys_get_pin()

int gpio_keys_get_pin	(	const struct device *	dev,
		uint32_t	idx
	)

#include <include/zephyr/drivers/gpio_keys.h>

Get the logical level of GPIO Key.

Parameters

dev	Pointer to device structure for the driver instance.
idx	GPIO Key index in device tree

Return values

0	If successful.
-EIO	I/O error when accessing an external GPIO chip.
-EWOULDBLOCK	if operation would block.