110 lines
3.2 KiB
C
110 lines
3.2 KiB
C
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/*
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* Copyright (c) 2015, Nordic Semiconductor
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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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*/
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/**
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* \addtogroup nrf52dk-devices Device drivers
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* @{
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*
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* \addtogroup nrf52dk-devices-temp Temperature sensor driver
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* This is a driver for nRF52832 hardware sensor.
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*
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* @{
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*
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* \file
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* Temperature sensor implementation.
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* \author
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* Wojciech Bober <wojciech.bober@nordicsemi.no>
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*
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*/
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#ifndef SOFTDEVICE_PRESENT
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#include "nrf_temp.h"
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#else
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#include "nrf_soc.h"
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#endif
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#include "contiki.h"
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#include "dev/temperature-sensor.h"
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const struct sensors_sensor temperature_sensor;
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/*---------------------------------------------------------------------------*/
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/**
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* \brief Returns device temperature
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* \param type ignored
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* \return Device temperature in degrees Celsius
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*/
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static int
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value(int type)
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{
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#ifndef SOFTDEVICE_PRESENT
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return nrf_temp_read();
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#else
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int32_t temp;
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sd_temp_get(&temp);
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return temp >> 2;
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#endif
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}
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/*---------------------------------------------------------------------------*/
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/**
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* \brief Configures temperature sensor
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* \param type initializes the hardware sensor when \a type is set to
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* \a SENSORS_HW_INIT
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* \param c ignored
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* \return 1
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* \note This function does nothing when SoftDevice is present
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*/
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static int
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configure(int type, int c)
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{
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#ifndef SOFTDEVICE_PRESENT
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if (type == SENSORS_HW_INIT) {
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nrf_temp_init();
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}
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#endif
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return 1;
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}
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/**
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* \brief Return temperature sensor status
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* \param type ignored
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* \return 1
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*/
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/*---------------------------------------------------------------------------*/
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static int
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status(int type)
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{
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return 1;
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}
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/*---------------------------------------------------------------------------*/
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SENSORS_SENSOR(temperature_sensor, TEMPERATURE_SENSOR, value, configure, status);
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/**
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* @}
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* @}
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*/
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