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drivers/dht: updated auto-init + some enhancements
- unified auto-init to use same style as other SAUl devices - make use of named return values - added some asserts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| /* | ||
| * 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 auto_init_saul | ||
| * @{ | ||
| * | ||
| * @file | ||
| * @brief Auto initialization for DHT temperature/humidity sensors | ||
| * | ||
| * @author Hauke Petersen <hauke.petersen@fu-berlin.de> | ||
| * | ||
| * @} | ||
| */ | ||
|
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| #ifdef MODULE_DHT | ||
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| #include "log.h" | ||
| #include "saul_reg.h" | ||
| #include "dht.h" | ||
| #include "dht_params.h" | ||
|
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| /** | ||
| * @brief Define the number of configured sensors | ||
| */ | ||
| #define DHT_NUM (sizeof(dht_params) / sizeof(dht_params[0])) | ||
|
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| /** | ||
| * @brief Allocate memory for the device descriptors | ||
| */ | ||
| static dht_t dht_devs[DHT_NUM]; | ||
|
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| /** | ||
| * @brief Memory for the SAUL registry entries | ||
| */ | ||
| static saul_reg_t saul_entries[DHT_NUM * 2]; | ||
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| void auto_init_dht(void) | ||
| { | ||
| for (unsigned int i = 0; i < DHT_NUM; i++) { | ||
| 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) { | ||
| LOG_ERROR("[auto_init_saul] error initializing dht #%u\n", i); | ||
| } | ||
| else { | ||
| saul_entries[(i * 2)].dev = &(dht_devs[i]); | ||
| saul_entries[(i * 2)].name = dht_saul_info[i][0].name; | ||
| saul_entries[(i * 2)].driver = &dht_temp_saul_driver; | ||
| saul_entries[(i * 2) + 1].dev = &(dht_devs[i]); | ||
| saul_entries[(i * 2) + 1].name = dht_saul_info[i][1].name; | ||
| saul_entries[(i * 2) + 1].driver = &dht_hum_saul_driver; | ||
| saul_reg_add(&(saul_entries[(i * 2)])); | ||
| saul_reg_add(&(saul_entries[(i * 2) + 1])); | ||
| } | ||
| } | ||
| } | ||
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| #else | ||
| typedef int dont_be_pedantic; | ||
| #endif /* MODULE_DHT */ |