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84 lines
2.0 KiB
C
84 lines
2.0 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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/*
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* @ingroup sys_auto_init_saul
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* @{
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*
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* @file
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* @brief Auto initialization for DHT temperature/humidity sensors
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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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#ifdef MODULE_DHT
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#include "assert.h"
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#include "log.h"
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#include "saul_reg.h"
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#include "dht_params.h"
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#include "dht.h"
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/**
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* @brief Define the number of configured sensors
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*/
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#define DHT_NUM ARRAY_SIZE(dht_params)
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/**
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* @brief Allocate memory for the device descriptors
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*/
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static dht_t dht_devs[DHT_NUM];
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/**
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* @brief Memory for the SAUL registry entries
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*/
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static saul_reg_t saul_entries[DHT_NUM * 2];
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/**
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* @brief Define the number of saul info
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*/
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#define DHT_INFO_NUM ARRAY_SIZE(dht_saul_info)
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/**
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* @name Import SAUL endpoints
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* @{
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*/
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extern const saul_driver_t dht_temp_saul_driver;
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extern const saul_driver_t dht_hum_saul_driver;
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/** @} */
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void auto_init_dht(void)
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{
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assert(DHT_INFO_NUM == DHT_NUM);
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for (unsigned int i = 0; i < DHT_NUM; i++) {
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LOG_DEBUG("[auto_init_saul] initializing dht #%u\n", i);
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if (dht_init(&dht_devs[i], &dht_params[i]) != DHT_OK) {
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LOG_ERROR("[auto_init_saul] error initializing dht #%u\n", i);
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continue;
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}
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saul_entries[(i * 2)].dev = &(dht_devs[i]);
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saul_entries[(i * 2)].name = dht_saul_info[i].name;
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saul_entries[(i * 2)].driver = &dht_temp_saul_driver;
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saul_entries[(i * 2) + 1].dev = &(dht_devs[i]);
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saul_entries[(i * 2) + 1].name = dht_saul_info[i].name;
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saul_entries[(i * 2) + 1].driver = &dht_hum_saul_driver;
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saul_reg_add(&(saul_entries[(i * 2)]));
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saul_reg_add(&(saul_entries[(i * 2) + 1]));
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}
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}
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#else
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typedef int dont_be_pedantic;
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#endif /* MODULE_DHT */
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