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91 lines
2.8 KiB
C
91 lines
2.8 KiB
C
/*
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* Copyright (C) 2021 Inria
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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 sys_auto_init_saul
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* @{
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* @file
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* @brief Auto initialization for HM330X particle matter sensor
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*
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* @author Francisco Molina <francois-xavier.molina@inria.fr>
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* @}
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*/
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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 "hm330x_params.h"
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#include "hm330x.h"
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/**
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* @brief Allocate memory for the device descriptors
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*/
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static hm330x_t hm330x_devs[HM330X_NUMOF];
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/**
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* @brief Number of logical saul devices per physical sensor
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*/
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#if IS_USED(MODULE_HM3302)
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#define HM330X_SAUL_DEV_NUM (6)
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#else
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#define HM330X_SAUL_DEV_NUM (3)
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#endif
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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[HM330X_NUMOF * HM330X_SAUL_DEV_NUM];
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/**
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* @brief Define the number of saul info
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*/
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#define HM330X_INFO_NUM ARRAY_SIZE(hm330x_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 hm330x_saul_driver_mc_pm_1;
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extern const saul_driver_t hm330x_saul_driver_mc_pm_2p5;
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extern const saul_driver_t hm330x_saul_driver_mc_pm_10;
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#if IS_USED(MODULE_HM3302)
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extern const saul_driver_t hm330x_saul_driver_nc_pm_1;
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extern const saul_driver_t hm330x_saul_driver_nc_pm_2p5;
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extern const saul_driver_t hm330x_saul_driver_nc_pm_10;
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#endif
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/** @} */
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void auto_init_hm330x(void)
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{
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assert(HM330X_INFO_NUM == HM330X_NUMOF);
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for (unsigned int i = 0; i < HM330X_NUMOF; i++) {
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LOG_DEBUG("[auto_init_saul] initializing hm330x #%u\n", i);
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if (hm330x_init(&hm330x_devs[i], &hm330x_params[i])) {
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LOG_ERROR("[auto_init_saul] error initializing hm330x #%u\n",
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i);
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continue;
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}
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saul_entries[(i * HM330X_SAUL_DEV_NUM)].driver = &hm330x_saul_driver_mc_pm_1;
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saul_entries[(i * HM330X_SAUL_DEV_NUM) + 1].driver = &hm330x_saul_driver_mc_pm_2p5;
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saul_entries[(i * HM330X_SAUL_DEV_NUM) + 2].driver = &hm330x_saul_driver_mc_pm_10;
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#if IS_USED(MODULE_HM3302)
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saul_entries[(i * HM330X_SAUL_DEV_NUM) + 3].driver = &hm330x_saul_driver_nc_pm_1;
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saul_entries[(i * HM330X_SAUL_DEV_NUM) + 4].driver = &hm330x_saul_driver_nc_pm_2p5;
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saul_entries[(i * HM330X_SAUL_DEV_NUM) + 5].driver = &hm330x_saul_driver_nc_pm_10;
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#endif
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/* the physical device is the same for all logical SAUL instances */
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for (unsigned x = 0; x < HM330X_SAUL_DEV_NUM; x++) {
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saul_entries[i * HM330X_SAUL_DEV_NUM + x].dev = &(hm330x_devs[i]);
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saul_entries[i * HM330X_SAUL_DEV_NUM + x].name = hm330x_saul_info[i].name;
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saul_reg_add(&saul_entries[i * HM330X_SAUL_DEV_NUM + x]);
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}
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}
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}
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