Contiki-NG
leds-arch.c
1 /*
2  * Copyright (c) 2005, Swedish Institute of Computer Science.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  * notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  * notice, this list of conditions and the following disclaimer in the
12  * documentation and/or other materials provided with the distribution.
13  * 3. Neither the name of the Institute nor the names of its contributors
14  * may be used to endorse or promote products derived from this software
15  * without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  *
29  * This file is part of the Configurable Sensor Network Application
30  * Architecture for sensor nodes running the Contiki operating system.
31  *
32  * -----------------------------------------------------------------
33  *
34  * Author : Adam Dunkels, Joakim Eriksson, Niclas Finne
35  * Created : 2005-11-03
36  */
37 
38 #include "contiki.h"
39 #include "dev/leds.h"
40 
41 /*---------------------------------------------------------------------------*/
42 void
43 leds_arch_init(void)
44 {
45  LEDS_PxDIR |= (LEDS_CONF_RED | LEDS_CONF_GREEN | LEDS_CONF_YELLOW);
46  LEDS_PxOUT |= (LEDS_CONF_RED | LEDS_CONF_GREEN | LEDS_CONF_YELLOW);
47 }
48 /*---------------------------------------------------------------------------*/
50 leds_arch_get(void)
51 {
52  leds_mask_t leds;
53  leds = LEDS_PxOUT;
54  return ((leds & LEDS_CONF_RED) ? 0 : LEDS_RED)
55  | ((leds & LEDS_CONF_GREEN) ? 0 : LEDS_GREEN)
56  | ((leds & LEDS_CONF_YELLOW) ? 0 : LEDS_YELLOW);
57 }
58 /*---------------------------------------------------------------------------*/
59 void
60 leds_arch_set(leds_mask_t leds)
61 {
62  LEDS_PxOUT = (LEDS_PxOUT & ~(LEDS_CONF_RED|LEDS_CONF_GREEN|LEDS_CONF_YELLOW))
63  | ((leds & LEDS_RED) ? 0 : LEDS_CONF_RED)
64  | ((leds & LEDS_GREEN) ? 0 : LEDS_CONF_GREEN)
65  | ((leds & LEDS_YELLOW) ? 0 : LEDS_CONF_YELLOW);
66 }
67 /*---------------------------------------------------------------------------*/
Header file for the LED HAL.
uint8_t leds_mask_t
An OR mask datatype to represents multiple LEDs.
Definition: leds.h:164