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fancy_leds.h
Go to the documentation of this file.
1/*
2 * Copyright (C) 2014 Freie Universität Berlin
3 * Copyright (C) 2015 Zolertia SL
4 *
5 * This file is subject to the terms and conditions of the GNU Lesser General
6 * Public License v2.1. See the file LICENSE in the top level directory for more
7 * details.
8 */
9
20#ifndef FANCY_LEDS_H
21#define FANCY_LEDS_H
22
23#include "board_common.h"
24
25#ifdef __cplusplus
26 extern "C" {
27#endif
28
33/* Take LED_COLOR as argument, i.e LED0 */
34#define LED_FADE(led) \
35 volatile int i; \
36 int k, j; \
37 LED_FADE_EXPAND(led)
38
39#define LED_FADE_EXPAND(led) \
40 for(k = 0; k < 800; ++k) { \
41 j = k > 400 ? 800 - k : k; \
42 led##_ON; \
43 for(i = 0; i < j; ++i) { \
44 __asm__("nop"); \
45 } \
46 led##_OFF; \
47 for(i = 0; i < 400 - j; ++i) { \
48 __asm__("nop"); \
49 } \
50 }
51
52#define LED_RAINBOW() \
53 volatile int i; \
54 int k,j; \
55 LED_FADE_EXPAND(LED3); \
56 LED_FADE_EXPAND(LED0); \
57 LED_FADE_EXPAND(LED4); \
58 LED_FADE_EXPAND(LED2); \
59 LED_FADE_EXPAND(LED1);
62#ifdef __cplusplus
63} /* end extern "C" */
64#endif
65#endif /* FANCY_LEDS_H */
board_common.h
Board common definitions for the SODAQ boards.