Contiki 2.6

temperature-sensor.c

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00001 /*
00002  * Copyright (c) 2010, Swedish Institute of Computer Science.
00003  * All rights reserved.
00004  *
00005  * Redistribution and use in source and binary forms, with or without
00006  * modification, are permitted provided that the following conditions
00007  * are met:
00008  * 1. Redistributions of source code must retain the above copyright
00009  *    notice, this list of conditions and the following disclaimer.
00010  * 2. Redistributions in binary form must reproduce the above copyright
00011  *    notice, this list of conditions and the following disclaimer in the
00012  *    documentation and/or other materials provided with the distribution.
00013  * 3. Neither the name of the Institute nor the names of its contributors
00014  *    may be used to endorse or promote products derived from this software
00015  *    without specific prior written permission.
00016  *
00017  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
00018  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00019  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00020  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
00021  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00022  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
00023  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
00024  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
00025  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
00026  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00027  * SUCH DAMAGE.
00028  *
00029  * @(#)$Id: temperature-sensor.c,v 1.1 2010/08/25 19:34:06 nifi Exp $
00030  */
00031 
00032 /**
00033  * \file
00034  *         Sensor driver for reading the built-in temperature sensor in the CPU.
00035  * \author
00036  *         Adam Dunkels <adam@sics.se>
00037  *         Joakim Eriksson <joakime@sics.se>
00038  *         Niclas Finne <nfi@sics.se>
00039  */
00040 
00041 #include "dev/temperature-sensor.h"
00042 #include "dev/sky-sensors.h"
00043 #include "contiki.h"
00044 
00045 #define INPUT_CHANNEL      (1 << INCH_10)
00046 #define INPUT_REFERENCE    SREF_1
00047 #define TEMPERATURE_MEM    ADC12MEM10
00048 
00049 const struct sensors_sensor temperature_sensor;
00050 
00051 /*---------------------------------------------------------------------------*/
00052 static int
00053 value(int type)
00054 {
00055   return TEMPERATURE_MEM;
00056 }
00057 /*---------------------------------------------------------------------------*/
00058 static int
00059 configure(int type, int c)
00060 {
00061   return sky_sensors_configure(INPUT_CHANNEL, INPUT_REFERENCE, type, c);
00062 }
00063 /*---------------------------------------------------------------------------*/
00064 static int
00065 status(int type)
00066 {
00067   return sky_sensors_status(INPUT_CHANNEL, type);
00068 }
00069 /*---------------------------------------------------------------------------*/
00070 SENSORS_SENSOR(temperature_sensor, TEMPERATURE_SENSOR,
00071                value, configure, status);