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68 lines
1.6 KiB
C
68 lines
1.6 KiB
C
/*
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* Copyright (C) 2016 Eistec AB
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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 of ADC lines directly mapped to SAUL reg
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*
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* @author Joakim Nohlgård <joakim.nohlgard@eistec.se>
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*
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* @}
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*/
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#include "log.h"
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#include "saul_reg.h"
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#include "saul/periph.h"
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#include "adc_params.h"
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#include "periph/adc.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 SAUL_ADC_NUMOF ARRAY_SIZE(saul_adc_params)
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/**
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* @brief Allocate memory for pointers to the ADC parameter structs
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*
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* We use this extra level of indirection to be able to keep the saul_adc_params
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* array const and residing in ROM.
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*/
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static const saul_adc_params_t *saul_adcs[SAUL_ADC_NUMOF];
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/**
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* @brief Memory for the registry entries
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*/
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static saul_reg_t saul_reg_entries[SAUL_ADC_NUMOF];
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/**
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* @brief Reference the driver struct
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*/
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extern saul_driver_t adc_saul_driver;
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void auto_init_saul_adc(void)
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{
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for (unsigned i = 0; i < SAUL_ADC_NUMOF; i++) {
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const saul_adc_params_t *p = &saul_adc_params[i];
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saul_adcs[i] = p;
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LOG_DEBUG("[auto_init_saul] initializing direct ADC #%u\n", i);
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saul_reg_entries[i].dev = &saul_adcs[i];
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saul_reg_entries[i].name = p->name;
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saul_reg_entries[i].driver = &adc_saul_driver;
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/* initialize the ADC line */
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adc_init(p->line);
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/* add to registry */
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saul_reg_add(&(saul_reg_entries[i]));
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}
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}
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