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