hdc1000_saul.c
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/*
* Copyright (C) 2017 Freie Universität Berlin
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup drivers_hdc1000
* @{
*
* @file
* @brief HDC1000 adaption to the RIOT actuator/sensor interface
*
* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
*
* @}
*/
#include <string.h>
#include "saul.h"
#include "hdc1000.h"
static int read_temp(const void *dev, phydat_t *res)
{
if (hdc1000_read((const hdc1000_t *)dev, &(res->val[0]), NULL) != HDC1000_OK) {
return -ECANCELED;
}
memset(&(res->val[1]), 0, 2 * sizeof(int16_t));
res->unit = UNIT_TEMP_C;
res->scale = -2;
return 1;
}
static int read_hum(const void *dev, phydat_t *res)
{
if (hdc1000_read((const hdc1000_t *)dev, NULL, &(res->val[0])) != HDC1000_OK) {
return -ECANCELED;
}
memset(&(res->val[1]), 0, 2 * sizeof(int16_t));
res->unit = UNIT_PERCENT;
res->scale = -2;
return 1;
}
const saul_driver_t hdc1000_saul_temp_driver = {
.read = read_temp,
.write = saul_notsup,
.type = SAUL_SENSE_TEMP,
};
const saul_driver_t hdc1000_saul_hum_driver = {
.read = read_hum,
.write = saul_notsup,
.type = SAUL_SENSE_HUM,
};