led.c File Reference

LED driver and event handler. More...

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

Include dependency graph for led.c:

Go to the source code of this file.

Data Structures
struct	LEDEventT
Defines
#define	LED_IS_ON   0
#define	LED_IS_OFF   1
Functions
int	InitLED (LEDEventT *led)
	Configures LED connection port.
void	sys_led (void *arg)
	Thread to control blinking and flashing of all registered LEDs.
void	NutSetLed (HANDLE ledh, uint_fast8_t fxin, uint32_t timOn, uint32_t timOff)
	sets state of a LED
int	NutRegisterLed (HANDLE *ledh, int bank, int pin)
	Register an LED for handling.
Variables
LEDEventT *	first_led = NULL
HANDLE	led_tmr = NULL
HANDLE	led_evt = NULL

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Detailed Description

LED driver and event handler.

This device driver provieds flexible handling of multiple LEDs

 * $Log$
 *
 * Revision 0.3  2009/09/17 ulrichprinz
 * Changed parameters and added more flexible functionalities by reducing
 * command tokens.
 * (currently SAM7X256 is tested only)
 *
 * Revision 0.2  2009/04/13 ulrichprinz
 * First checkin, led driver with extra functionality and variable io-access
 * (currently SAM7X256 is tested only)
 *
 * 

Definition in file led.c.