Contiki 2.5
leds-arch.c
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1 /*
2  * Copyright (c) 2010, 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 Contiki operating system.
30  *
31  * $Id: leds-arch.c,v 1.1 2010/08/25 19:57:33 nifi Exp $
32  */
33 
34 /**
35  * \file
36  * A leds implementation for the sentilla usb platform
37  * \author
38  * Adam Dunkels <adam@sics.se>
39  * Niclas Finne <nfi@sics.se>
40  * Joakim Eriksson <joakime@sics.se>
41  */
42 
43 #include "contiki-conf.h"
44 #include "dev/leds.h"
45 
46 #include <io.h>
47 
48 /*---------------------------------------------------------------------------*/
49 void
51 {
52  LEDS_PxDIR |= (LEDS_CONF_RED | LEDS_CONF_GREEN);
53  LEDS_PxOUT = (LEDS_CONF_RED | LEDS_CONF_GREEN);
54 }
55 /*---------------------------------------------------------------------------*/
56 unsigned char
57 leds_arch_get(void)
58 {
59  return ((LEDS_PxOUT & LEDS_CONF_RED) ? 0 : LEDS_RED)
60  | ((LEDS_PxOUT & LEDS_CONF_GREEN) ? 0 : LEDS_GREEN);
61 }
62 /*---------------------------------------------------------------------------*/
63 void
64 leds_arch_set(unsigned char leds)
65 {
66  LEDS_PxOUT = (LEDS_PxOUT & ~(LEDS_CONF_RED|LEDS_CONF_GREEN))
67  | ((leds & LEDS_RED) ? 0 : LEDS_CONF_RED)
68  | ((leds & LEDS_GREEN) ? 0 : LEDS_CONF_GREEN);
69 }
70 /*---------------------------------------------------------------------------*/