90 lines
3.4 KiB
C
90 lines
3.4 KiB
C
/*
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* Copyright (c) 2014, OpenMote Technologies, S.L.
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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 Contiki operating system.
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*
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*/
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/*---------------------------------------------------------------------------*/
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/**
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* \addtogroup openmote-sensors
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* @{
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*
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* \defgroup openmote-sht21-sensor SHT21 sensor
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* @{
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*
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* \file
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* Header file for the SHT21 temperature and humidity sensor driver
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*
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* \author
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* Pere Tuset <peretuset@openmote.com>
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*/
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/*---------------------------------------------------------------------------*/
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#ifndef SHT21_H_
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#define SHT21_H_
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/*---------------------------------------------------------------------------*/
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/**
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* \brief Initialize the SHT21 sensor
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*/
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void sht21_init(void);
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/*---------------------------------------------------------------------------*/
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/**
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* \brief Reset the SHT21 sensor
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*/
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void sht21_reset(void);
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/*---------------------------------------------------------------------------*/
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/**
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* \brief Check if the SHT21 sensor is present
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*/
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uint8_t sht21_is_present(void);
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/*---------------------------------------------------------------------------*/
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/**
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* \brief Read the temperature from the SHT21 sensor
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*/
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uint16_t sht21_read_temperature(void);
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/*---------------------------------------------------------------------------*/
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/**
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* \brief Convert the temperature from the SHT21 sensor
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*/
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float sht21_convert_temperature(uint16_t temperature);
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/*---------------------------------------------------------------------------*/
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/**
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* \brief Read the relative humidity from the SHT21 sensor
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*/
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uint16_t sht21_read_humidity(void);
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/*---------------------------------------------------------------------------*/
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/**
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* \brief Convert the relative humidity from the SHT21 sensor
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*/
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float sht21_convert_humidity(uint16_t humidity);
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/*---------------------------------------------------------------------------*/
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#endif /* SHT21_H_ */
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/*---------------------------------------------------------------------------*/
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/**
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* @}
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* @}
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*/
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