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57 lines
1.2 KiB
C
57 lines
1.2 KiB
C
/*
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* Copyright (C) 2019 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_shtc1
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* @{
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*
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* @file
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* @brief SHTC1 adaption to the RIOT actuator/sensor interface
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*
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* @author Michel Gerlach <michel.gerlach@haw-hamburg.de>
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*
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* @}
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*/
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#include "saul.h"
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#include "shtc1.h"
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static int read_temperature(const void *dev, phydat_t *res)
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{
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if (shtc1_read((shtc1_t *)dev, NULL, &res->val[0]) != SHTC1_OK) {
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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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static int read_relative_humidity(const void *dev, phydat_t *res)
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{
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if (shtc1_read((shtc1_t *)dev, (uint16_t *)&res->val[0], NULL) != SHTC1_OK) {
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return -ECANCELED;
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}
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res->unit = UNIT_PERCENT;
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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 shtc1_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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const saul_driver_t shtc1_relative_humidity_saul_driver = {
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.read = read_relative_humidity,
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.write = saul_notsup,
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.type = SAUL_SENSE_HUM,
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};
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