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https://github.com/RIOT-OS/RIOT.git
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0cb92e1e51
A memset was used to clear two of the SAUL values in phydat_t::val
The change is to replace that by the following
res->val[1] = 0;
res->val[2] = 0;
which makes the code more obvious.
63 lines
1.3 KiB
C
63 lines
1.3 KiB
C
/*
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* Copyright (C) 2017 Freie Universität Berlin
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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_hdc1000
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* @{
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*
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* @file
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* @brief HDC1000 adaption to the RIOT actuator/sensor interface
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*
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* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
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*
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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 "hdc1000.h"
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static int read_temp(const void *dev, phydat_t *res)
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{
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if (hdc1000_read_cached((const hdc1000_t *)dev, &(res->val[0]), NULL) != HDC1000_OK) {
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return -ECANCELED;
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}
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res->val[1] = 0;
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res->val[2] = 0;
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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_hum(const void *dev, phydat_t *res)
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{
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if (hdc1000_read_cached((const hdc1000_t *)dev, NULL, &(res->val[0])) != HDC1000_OK) {
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return -ECANCELED;
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}
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res->val[1] = 0;
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res->val[2] = 0;
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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 hdc1000_saul_temp_driver = {
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.read = read_temp,
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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 hdc1000_saul_hum_driver = {
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.read = read_hum,
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.write = saul_notsup,
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.type = SAUL_SENSE_HUM,
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};
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