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