auto_init_adc.c
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/*
* Copyright (C) 2016 Eistec AB
*
* 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 of ADC lines directly mapped to SAUL reg
*
* @author Joakim Nohlgård <joakim.nohlgard@eistec.se>
*
* @}
*/
#ifdef MODULE_SAUL_ADC
#include "saul_reg.h"
#include "saul/periph.h"
#include "adc_params.h"
#include "periph/gpio.h"
#define ENABLE_DEBUG (0)
#include "debug.h"
/**
* @brief Define the number of configured sensors
*/
#define SAUL_ADC_NUMOF (sizeof(saul_adc_params)/sizeof(saul_adc_params[0]))
/**
* @brief Allocate memory for pointers to the ADC parameter structs
*
* We use this extra level of indirection to be able to keep the saul_adc_params
* array const and residing in ROM.
*/
static const saul_adc_params_t *saul_adcs[SAUL_ADC_NUMOF];
/**
* @brief Memory for the registry entries
*/
static saul_reg_t saul_reg_entries[SAUL_ADC_NUMOF];
/**
* @brief Reference the driver struct
*/
extern saul_driver_t adc_saul_driver;
void auto_init_adc(void)
{
DEBUG("auto init SAUL ADC\n");
for (int i = 0; i < SAUL_ADC_NUMOF; i++) {
const saul_adc_params_t *p = &saul_adc_params[i];
saul_adcs[i] = p;
DEBUG("[auto_init_saul] initializing direct ADC\n");
saul_reg_entries[i].dev = &saul_adcs[i];
saul_reg_entries[i].name = p->name;
saul_reg_entries[i].driver = &adc_saul_driver;
/* initialize the ADC line */
adc_init(p->line);
/* add to registry */
saul_reg_add(&(saul_reg_entries[i]));
}
}
#else
typedef int dont_be_pedantic;
#endif /* MODULE_SAUL_ADC */