73 lines
2.7 KiB
C
73 lines
2.7 KiB
C
|
/*
|
||
|
|
* Copyright (c) 2005, Swedish Institute of Computer Science.
|
||
|
|
* All rights reserved.
|
||
|
|
*
|
||
|
|
* Redistribution and use in source and binary forms, with or without
|
||
|
|
* modification, are permitted provided that the following conditions
|
||
|
|
* are met:
|
||
|
|
* 1. Redistributions of source code must retain the above copyright
|
||
|
|
* notice, this list of conditions and the following disclaimer.
|
||
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
||
|
|
* notice, this list of conditions and the following disclaimer in the
|
||
|
|
* documentation and/or other materials provided with the distribution.
|
||
|
|
* 3. Neither the name of the Institute nor the names of its contributors
|
||
|
|
* may be used to endorse or promote products derived from this software
|
||
|
|
* without specific prior written permission.
|
||
|
|
*
|
||
|
|
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
|
||
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
|
||
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||
|
|
* SUCH DAMAGE.
|
||
|
|
*
|
||
|
|
* This file is part of the Configurable Sensor Network Application
|
||
|
|
* Architecture for sensor nodes running the Contiki operating system.
|
||
|
|
*
|
||
|
|
* $Id: ds1629.h,v 1.1 2006/06/18 07:49:33 adamdunkels Exp $
|
||
|
|
*
|
||
|
|
* -----------------------------------------------------------------
|
||
|
|
*
|
||
|
|
* Author : Adam Dunkels, Joakim Eriksson, Niclas Finne
|
||
|
|
* Created : 2005-11-08
|
||
|
|
* Updated : $Date: 2006/06/18 07:49:33 $
|
||
|
|
* $Revision: 1.1 $
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __DS1629_H__
|
||
|
|
#define __DS1629_H__
|
||
|
|
|
||
|
|
/**
|
||
|
|
* DS1629 initialization function.
|
||
|
|
*
|
||
|
|
* This function should be called at startup to initialize the DS1629
|
||
|
|
* and its clock.
|
||
|
|
*/
|
||
|
|
void ds1629_init(void);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* DS1629 start conversion function.
|
||
|
|
*
|
||
|
|
* This function should be called before requesting the temperature
|
||
|
|
* the first time.
|
||
|
|
*/
|
||
|
|
void ds1629_start(void);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the temperature.
|
||
|
|
*
|
||
|
|
* This function will return the current temperature as a signed 9 bit
|
||
|
|
* value in terms of a 0.5 degree Celsius least significant bit.
|
||
|
|
*
|
||
|
|
* MSB Sign 2^6 2^5 2^4 2^3 2^2 2^1 2^0
|
||
|
|
* LSB 2^-1 0 0 0 0 0 0 0
|
||
|
|
*/
|
||
|
|
signed int ds1629_temperature(void);
|
||
|
|
|
||
|
|
#endif /* __DS1629_H__ */
|