keys.c File Reference

#include <compiler.h>
#include <cfg/os.h>
#include <stdlib.h>
#include <string.h>
#include <sys/heap.h>
#include <sys/event.h>
#include <sys/timer.h>
#include <sys/atom.h>
#include <dev/board.h>
#include <dev/gpio.h>
#include <sys/nutdebug.h>
#include <cfg/pca9555.h>
#include <dev/keys.h>

Include dependency graph for keys.c:

Go to the source code of this file.

Data Structures
struct	KEYEventT
Defines
#define	IOXP_PORT0   0x80
#define	KPRINTF(args,...)
Functions
int	NutGetKeyState (HANDLE keyh)
	reads actual state of a key
uint32_t	NutGetKeyTime (HANDLE keyh)
	reads the time in ms of how long the key is or was pressed
void	KeyTimerCb (HANDLE timer, void *arg)
	Key-Timer callback handler.
void	sys_key (void *arg)
	Key-Thread.
int	InitKEY (KEYEventT *key)
	Internal functionn to setup a GPIO port for reading a connected key.
int	NutAssignKeyEvt (HANDLE *keyhp, HANDLE *event)
int	NutAssignKeyFkt (HANDLE *keyhp, void(*callback)(void))
int	NutRegisterKey (HANDLE *keyhp, int bank, int pin, int fx, uint32_t fxt)
	register a key and describe its function
Variables
HANDLE	key_tmr = NULL
HANDLE	key_evt = NULL

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Define Documentation

#define IOXP_PORT0   0x80

Definition at line 71 of file keys.c.

Referenced by InitKEY(), and sys_key().

#define KPRINTF	(		args,
			...
	)

Definition at line 79 of file keys.c.

Referenced by NutRegisterKey(), and sys_key().