nes-proj/platform/openmote-cc2538/dev/sht21.h

91 lines
3.4 KiB
C

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