Contiki 2.6
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00001 /* 00002 * Copyright (c) 2005, 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 * This file is part of the Configurable Sensor Network Application 00030 * Architecture for sensor nodes running the Contiki operating system. 00031 * 00032 * $Id: ds1629.h,v 1.1 2006/06/18 07:49:33 adamdunkels Exp $ 00033 * 00034 * ----------------------------------------------------------------- 00035 * 00036 * Author : Adam Dunkels, Joakim Eriksson, Niclas Finne 00037 * Created : 2005-11-08 00038 * Updated : $Date: 2006/06/18 07:49:33 $ 00039 * $Revision: 1.1 $ 00040 */ 00041 00042 #ifndef __DS1629_H__ 00043 #define __DS1629_H__ 00044 00045 /** 00046 * DS1629 initialization function. 00047 * 00048 * This function should be called at startup to initialize the DS1629 00049 * and its clock. 00050 */ 00051 void ds1629_init(void); 00052 00053 /** 00054 * DS1629 start conversion function. 00055 * 00056 * This function should be called before requesting the temperature 00057 * the first time. 00058 */ 00059 void ds1629_start(void); 00060 00061 /** 00062 * Get the temperature. 00063 * 00064 * This function will return the current temperature as a signed 9 bit 00065 * value in terms of a 0.5 degree Celsius least significant bit. 00066 * 00067 * MSB Sign 2^6 2^5 2^4 2^3 2^2 2^1 2^0 00068 * LSB 2^-1 0 0 0 0 0 0 0 00069 */ 00070 signed int ds1629_temperature(void); 00071 00072 #endif /* __DS1629_H__ */