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RIOT/drivers/saul/init_devs/auto_init_max31855.c
2024-06-12 13:11:45 +02:00

81 lines
2.1 KiB
C

/*
* Copyright (C) 2024 HAW Hamburg
*
* 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 sys_auto_init_saul
* @{
*
* @file
* @brief Auto initialization for MAX31855 thermocouple-to-digital converters
*
* @author Leandro Lanzieri <leandro.lanzieri@haw-hamburg.de>
*
* @}
*/
#include "assert.h"
#include "log.h"
#include "saul_reg.h"
#include "max31855_params.h"
#include "max31855.h"
/**
* @brief Define the number of configured devices
*/
#define MAX31855_NUM ARRAY_SIZE(max31855_params)
/**
* @brief Allocate memory for the device descriptors
*/
static max31855_t max31855_devs[MAX31855_NUM];
/**
* @brief Memory for the SAUL registry entries
*/
static saul_reg_t saul_entries[MAX31855_NUM * 2];
/**
* @brief Define the number of saul info
*/
#define MAX31855_INFO_NUM ARRAY_SIZE(max31855_saul_info)
/**
* @name Import SAUL endpoints
* @{
*/
extern const saul_driver_t max31855_thermo_temp_saul_driver;
extern const saul_driver_t max31855_internal_temp_saul_driver;
/** @} */
void auto_init_max31855(void)
{
/* each device has thermocouple and internal temperature, needs 2 infos */
assert(MAX31855_INFO_NUM == 2 * MAX31855_NUM);
for (unsigned int i = 0; i < MAX31855_NUM; i++) {
LOG_DEBUG("[auto_init_saul] initializing MAX31855 #%u\n", i);
if (max31855_init(&max31855_devs[i], &max31855_params[i]) != 0) {
LOG_ERROR("[auto_init_saul] error initializing MAX31855 #%u\n", i);
continue;
}
saul_entries[(i * 2)].dev = &(max31855_devs[i]);
saul_entries[(i * 2)].name = max31855_saul_info[(i * 2)].name;
saul_entries[(i * 2)].driver = &max31855_thermo_temp_saul_driver;
saul_entries[(i * 2) + 1].dev = &(max31855_devs[i]);
saul_entries[(i * 2) + 1].name = max31855_saul_info[(i * 2) + 1].name;
saul_entries[(i * 2) + 1].driver = &max31855_internal_temp_saul_driver;
saul_reg_add(&(saul_entries[(i * 2)]));
saul_reg_add(&(saul_entries[(i * 2) + 1]));
}
}