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/*
* Copyright (C) 2014 Freie Universitรคt Berlin
* Copyright (C) 2015 Zolertia SL
*
* This file is subject to the terms and conditions of the GNU Lesser General
* Public License v2.1. See the file LICENSE in the top level directory for more
* details.
*/
/**
* @ingroup boards_remote
* @brief LED extension
* @{
*
* @file
* @brief LED extended functions
*
* @author Antonio Lignan <alinan@zolertia.com>
*/
#ifndef FANCY_LEDS_H_
#define FANCY_LEDS_H_
#include "board_common.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @name Macro to create blinking and rainbows with the LEDs
* @{
*/
/* Take LED_COLOR as argument, i.e LED0 */
#define LED_FADE(led) \
volatile int i; \
int k, j; \
LED_FADE_EXPAND(led)
#define LED_FADE_EXPAND(led) \
for(k = 0; k < 800; ++k) { \
j = k > 400 ? 800 - k : k; \
led##_ON; \
for(i = 0; i < j; ++i) { \
__asm__("nop"); \
} \
led##_OFF; \
for(i = 0; i < 400 - j; ++i) { \
__asm__("nop"); \
} \
}
#define LED_RAINBOW() \
volatile int i; \
int k,j; \
LED_FADE_EXPAND(LED3); \
LED_FADE_EXPAND(LED0); \
LED_FADE_EXPAND(LED4); \
LED_FADE_EXPAND(LED2); \
LED_FADE_EXPAND(LED1);
/** @} */
#ifdef __cplusplus
} /* end extern "C" */
#endif
#endif /* FANCY_LEDS_H_ */
/** @} */
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