lps331ap_saul.c
1.18 KB
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/*
* Copyright (C) 2015 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_lps331ap
* @{
*
* @file
* @brief LPS331ap adaption to the RIOT actuator/sensor interface
*
* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
*
* @}
*/
#include <string.h>
#include "saul.h"
#include "lps331ap.h"
static int read_pres(const void *dev, phydat_t *res)
{
res->val[0] = (int16_t)lps331ap_read_pres((const lps331ap_t *)dev);
res->unit = UNIT_BAR;
res->scale = -3;
return 1;
}
static int read_temp(const void *dev, phydat_t *res)
{
res->val[0] = (int16_t)(lps331ap_read_temp((const lps331ap_t *)dev) / 10);
res->unit = UNIT_TEMP_C;
/* above division by ten leads to °C * 10^-2*/
res->scale = -2;
return 1;
}
const saul_driver_t lps331ap_saul_pres_driver = {
.read = read_pres,
.write = saul_notsup,
.type = SAUL_SENSE_PRESS,
};
const saul_driver_t lps331ap_saul_temp_driver = {
.read = read_temp,
.write = saul_notsup,
.type = SAUL_SENSE_TEMP,
};