fancy_leds.h
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1 /*
2  * Copyright (C) 2014 Freie Universit├Ąt 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);
60 
62 #ifdef __cplusplus
63 } /* end extern "C" */
64 #endif
65 #endif /* FANCY_LEDS_H */
66 
Board specific definitions for the RE-Mote boards.