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43 lines
966 B
C
43 lines
966 B
C
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/*
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* Copyright (C) 2017 Frits Kuipers
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* 2018 HAW Hamburg
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup drivers_ds18
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* @{
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*
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* @file
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* @brief SAUL adaption for Maxim Integrated DS1822 and DS18B20 temperature sensors
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*
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* @author Frits Kuipers <frits.kuipers@gmail.com>
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* @author Leandro Lanzieri <leandro.lanzieri@haw-hamburg.de>
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* @}
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*/
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#include <string.h>
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#include "saul.h"
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#include "ds18.h"
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static int read_temperature(const void *dev, phydat_t *res)
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{
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if (ds18_get_temperature((ds18_t *)dev, &res->val[0]) == DS18_ERROR) {
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return -ECANCELED;
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}
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res->unit = UNIT_TEMP_C;
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res->scale = -2;
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return 1;
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}
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const saul_driver_t ds18_temperature_saul_driver = {
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.read = read_temperature,
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.write = saul_notsup,
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.type = SAUL_SENSE_TEMP
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};
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