gpio_ops_t Struct Reference

Operations a GPIO port driver provides; every one is required. More...

#include <homecore/drivers/gpio.h>

Data Fields
int(*	configure )(void *port, unsigned pin, gpio_mode_t mode)
	Configure pin; returns 0, or -1 with errno EINVAL for an invalid pin or mode.
int(*	set )(void *port, unsigned pin, bool high)
	Drive output pin high (true) or low; returns 0, or -1 with errno EINVAL for an invalid pin.
int(*	get )(void *port, unsigned pin, bool *high)
	Read the level of pin into high; returns 0, or -1 with errno EINVAL for an invalid pin.

Detailed Description

Operations a GPIO port driver provides; every one is required.

Field Documentation

get

int(* gpio_ops_t::get) (void *port, unsigned pin, bool *high)

Read the level of pin into high; returns 0, or -1 with errno EINVAL for an invalid pin.

On the current ports, an output pin reads back the level it drives.

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The documentation for this struct was generated from the following file:

• include/homecore/drivers/gpio.h