Sysfs.h File Reference

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Macros
#define	ON   1
#define	OFF   0
#define	Sender   14 /* P1-08 */
#define	DIRECTION_MAX   35

Functions
int	GpioExport (int Pin)
	Request a gpio pin to be exported via the sysfs filesystem. More...
int	SetGpioAsOutput (int Pin)
	set a gpio pin in output mode More...
int	SwitchSender (int State)
	Switch sender on or off. More...
int	GpioUnExport (int Pin)
	Request a pin to be unexported from the sysfs filesystem. More...
int	OpenGpioPinFd (int Pin)
int	CloseGpioPinFd (int GpioPinFd)

Variables
char	path [DIRECTION_MAX]
int	GpioPinFd

Macro Definition Documentation

#define DIRECTION_MAX   35

Definition at line 6 of file Sysfs.h.

#define OFF   0

Definition at line 2 of file Sysfs.h.

#define ON   1

Definition at line 1 of file Sysfs.h.

#define Sender   14 /* P1-08 */

Definition at line 4 of file Sysfs.h.

Function Documentation

int CloseGpioPinFd

(

int

GpioPinFd

)

Definition at line 10 of file CloseGpioPinFd.c.

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int GpioExport

(

int

Pin

)

Request a gpio pin to be exported via the sysfs filesystem.

Parameters

Pin

Returns

zero on succes, a negative number on failure

Definition at line 17 of file GpioExport.c.

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int GpioUnExport

(

int

Pin

)

Request a pin to be unexported from the sysfs filesystem.

Parameters

Pin	Gpio pin to be unexported

Returns

zero on succes and a negative number on failure

Definition at line 17 of file GpioUnExport.c.

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int OpenGpioPinFd

(

int

Pin

)

Definition at line 10 of file OpenGpioPinFd.c.

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int SetGpioAsOutput

(

int

Pin

)

set a gpio pin in output mode

Parameters

Pin

Returns

zero on succes, a negative number on failure

Definition at line 15 of file SetGpioAsOutput.c.

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int SwitchSender

(

int

State

)

Switch sender on or off.

Parameters

State

(0 or 1)

Returns

0 on succes, a negative number on failure

Definition at line 15 of file SwitchSender.c.

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Variable Documentation

int GpioPinFd

Definition at line 9 of file Sysfs.h.

char path[DIRECTION_MAX]

Definition at line 7 of file Sysfs.h.