gpio.cpp File Reference

GPIO Pin abstraction implementation for Asgard. More...

#include <yggdrasil.h>
#include <cpp/common/attributes.hpp>
#include <cpp/common/types.hpp>
#include <cpp/common/utils.hpp>
#include <c/asgard/driver/gpio.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/mman.h>
#include <string>

Include dependency graph for gpio.cpp:

Functions
bool	yggdrasil_GPIO_Init (gpio_t gpio)
	GPIO initialization. More...
C_LINKAGE bool	yggdrasil_GPIO_Deinit (gpio_t gpio)
	GPIO deinitialization. More...
C_LINKAGE bool	yggdrasil_GPIO_MakeOutput (gpio_t gpio)
	Turn pin into an output. More...
C_LINKAGE bool	yggdrasil_GPIO_MakeInput (gpio_t gpio)
	Turn pin into an input. More...
C_LINKAGE bool	yggdrasil_GPIO_Get (gpio_t gpio)
	Get GPIO state. More...
C_LINKAGE void	yggdrasil_GPIO_Set (gpio_t gpio, bool state)
	Set GPIO state. More...
C_LINKAGE void	yggdrasil_GPIO_Toggle (gpio_t gpio)
	Toggle GPIO. More...

Detailed Description

GPIO Pin abstraction implementation for Asgard.

Author

Fabian Weber, Nikolaij Saegesser

Function Documentation

yggdrasil_GPIO_Deinit()

C_LINKAGE bool yggdrasil_GPIO_Deinit

(

gpio_t

gpio

)

GPIO deinitialization.

Parameters

gpio	GPIO handle

Returns

Success

yggdrasil_GPIO_Get()

C_LINKAGE bool yggdrasil_GPIO_Get

(

gpio_t

gpio

)

Get GPIO state.

Parameters

gpio	GPIO handle

Returns

GPIO state

yggdrasil_GPIO_Init()

bool yggdrasil_GPIO_Init

(

gpio_t

gpio

)

GPIO initialization.

Parameters

gpio	GPIO handle

Returns

Success

yggdrasil_GPIO_MakeInput()

C_LINKAGE bool yggdrasil_GPIO_MakeInput

(

gpio_t

gpio

)

Turn pin into an input.

Parameters

gpio	GPIO handle

Returns

Success

yggdrasil_GPIO_MakeOutput()

C_LINKAGE bool yggdrasil_GPIO_MakeOutput

(

gpio_t

gpio

)

Turn pin into an output.

Parameters

gpio	GPIO handle

Returns

Success

yggdrasil_GPIO_Set()

C_LINKAGE void yggdrasil_GPIO_Set	(	gpio_t	gpio,
		bool	state
	)

Set GPIO state.

Parameters

gpio	GPIO handle
state	GPIO state

yggdrasil_GPIO_Toggle()

C_LINKAGE void yggdrasil_GPIO_Toggle

(

gpio_t

gpio

)

Toggle GPIO.

Parameters

gpio	GPIO handle