bmx280_saul.c
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/*
* Copyright (C) 2016 Kees Bakker, SODAQ
* 2017 Inria
*
* 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_bmx280
* @{
*
* @file
* @brief SAUL adoption for BMX280 sensors (BME280 and BMP280).
*
* @author Kees Bakker <kees@sodaq.com>
* @author Alexandre Abadie <alexandre.abadie@inria.fr>
*
* @}
*/
#include "saul.h"
#include "bmx280.h"
static int read_temperature(const void *dev, phydat_t *res)
{
res->val[0] = bmx280_read_temperature((const bmx280_t *)dev);
res->unit = UNIT_TEMP_C;
res->scale = -2;
return 1;
}
static int read_pressure(const void *dev, phydat_t *res)
{
res->val[0] = bmx280_read_pressure((const bmx280_t *)dev) / 100;
res->unit = UNIT_PA;
res->scale = 2;
return 1;
}
#ifdef MODULE_BME280
static int read_relative_humidity(const void *dev, phydat_t *res)
{
res->val[0] = bme280_read_humidity((const bmx280_t *)dev);
res->unit = UNIT_PERCENT;
res->scale = -2;
return 1;
}
#endif
const saul_driver_t bmx280_temperature_saul_driver = {
.read = read_temperature,
.write = saul_notsup,
.type = SAUL_SENSE_TEMP,
};
const saul_driver_t bmx280_pressure_saul_driver = {
.read = read_pressure,
.write = saul_notsup,
.type = SAUL_SENSE_PRESS,
};
#ifdef MODULE_BME280
const saul_driver_t bme280_relative_humidity_saul_driver = {
.read = read_relative_humidity,
.write = saul_notsup,
.type = SAUL_SENSE_HUM,
};
#endif