Contiki 2.5
temperature-sensor.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  * @(#)$Id: temperature-sensor.c,v 1.1 2010/08/25 19:34:06 nifi Exp $
30  */
31 
32 /**
33  * \file
34  * Sensor driver for reading the built-in temperature sensor in the CPU.
35  * \author
36  * Adam Dunkels <adam@sics.se>
37  * Joakim Eriksson <joakime@sics.se>
38  * Niclas Finne <nfi@sics.se>
39  */
40 
41 #include "contiki.h"
42 #include "dev/temperature-sensor.h"
43 #include "dev/sky-sensors.h"
44 
45 #define INPUT_CHANNEL (1 << INCH_10)
46 #define INPUT_REFERENCE SREF_1
47 #define TEMPERATURE_MEM ADC12MEM10
48 
49 const struct sensors_sensor temperature_sensor;
50 
51 /*---------------------------------------------------------------------------*/
52 static int
53 value(int type)
54 {
55  return TEMPERATURE_MEM;
56 }
57 /*---------------------------------------------------------------------------*/
58 static int
59 configure(int type, int c)
60 {
61  return sky_sensors_configure(INPUT_CHANNEL, INPUT_REFERENCE, type, c);
62 }
63 /*---------------------------------------------------------------------------*/
64 static int
65 status(int type)
66 {
67  return sky_sensors_status(INPUT_CHANNEL, type);
68 }
69 /*---------------------------------------------------------------------------*/
70 SENSORS_SENSOR(temperature_sensor, TEMPERATURE_SENSOR,
71  value, configure, status);