71 lines
2.6 KiB
C
71 lines
2.6 KiB
C
/*
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* Copyright (c) 2005, Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Configurable Sensor Network Application
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* Architecture for sensor nodes running the Contiki operating system.
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*
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*
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* -----------------------------------------------------------------
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*
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* Author : Adam Dunkels, Joakim Eriksson, Niclas Finne
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* Created : 2005-11-08
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* Updated : $Date: 2006/06/18 07:49:33 $
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* $Revision: 1.1 $
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*/
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#ifndef __DS1629_H__
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#define __DS1629_H__
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/**
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* DS1629 initialization function.
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*
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* This function should be called at startup to initialize the DS1629
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* and its clock.
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*/
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void ds1629_init(void);
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/**
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* DS1629 start conversion function.
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*
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* This function should be called before requesting the temperature
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* the first time.
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*/
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void ds1629_start(void);
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/**
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* Get the temperature.
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*
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* This function will return the current temperature as a signed 9 bit
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* value in terms of a 0.5 degree Celsius least significant bit.
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*
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* MSB Sign 2^6 2^5 2^4 2^3 2^2 2^1 2^0
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* LSB 2^-1 0 0 0 0 0 0 0
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*/
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signed int ds1629_temperature(void);
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#endif /* __DS1629_H__ */
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