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75 lines
1.4 KiB
C
75 lines
1.4 KiB
C
/*
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* Copyright (C) 2016 Kees Bakker, SODAQ
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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 driver_bme280
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* @{
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*
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* @file
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* @brief SAUL adoption for BME280 sensor.
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*
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* @author Kees Bakker <kees@sodaq.com>
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*
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* @}
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*/
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#include "saul.h"
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#include "bme280.h"
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static int read_temperature(void *dev, phydat_t *res)
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{
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bme280_t *d = (bme280_t *)dev;
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res->val[0] = bme280_read_temperature(d);
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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(void *dev, phydat_t *res)
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{
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bme280_t *d = (bme280_t *)dev;
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res->val[0] = bme280_read_humidity(d);
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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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static int read_pressure(void *dev, phydat_t *res)
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{
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bme280_t *d = (bme280_t *)dev;
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res->val[0] = bme280_read_pressure(d) / 100;
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res->unit = UNIT_PA;
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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 bme280_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 bme280_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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const saul_driver_t bme280_pressure_saul_driver = {
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.read = read_pressure,
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.write = saul_notsup,
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.type = SAUL_SENSE_PRESS,
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};
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