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RIOT/drivers/saul/init_devs/auto_init_hts221.c
2021-08-13 19:50:38 +02:00

83 lines
2.2 KiB
C

/*
* Copyright (C) 2017 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 HTS221 devices
*
* @author Sebastian Meiling <s@mlng.net>
*
* @}
*/
#include "assert.h"
#include "log.h"
#include "saul_reg.h"
#include "hts221.h"
#include "hts221_params.h"
/**
* @brief Define the number of configured sensors
*/
#define HTS221_NUM ARRAY_SIZE(hts221_params)
#define HTS221_SAUL_NUM ARRAY_SIZE(hts221_saul_info)
/**
* @brief Allocate memory for the device descriptors
*/
static hts221_t hts221_devs[HTS221_NUM];
/**
* @brief Memory for the SAUL registry entries
*/
static saul_reg_t saul_entries[HTS221_NUM * 2];
/**
* @brief Reference the driver struct
* @{
*/
extern saul_driver_t hts221_saul_temp_driver;
extern saul_driver_t hts221_saul_hum_driver;
/** @} */
void auto_init_hts221(void)
{
assert(HTS221_NUM == HTS221_SAUL_NUM);
for (unsigned i = 0; i < HTS221_NUM; i++) {
LOG_DEBUG("[auto_init_saul] initializing hts221 #%u\n", i);
hts221_t *dev = &hts221_devs[i];
if (hts221_init(dev, &hts221_params[i]) != HTS221_OK) {
LOG_ERROR("[auto_init_saul] error initializing hts221 (#%u)\n", i);
continue;
}
if (hts221_power_on(dev) != HTS221_OK) {
LOG_ERROR("[auto_init_saul] error set power on (#%u)!\n", i);
continue;
}
if (hts221_set_rate(dev, dev->p.rate) != HTS221_OK) {
LOG_ERROR("[auto_init_saul] error set continuous mode (#%u)!\n", i);
continue;
}
saul_entries[(i * 2)].dev = &(hts221_devs[i]);
saul_entries[(i * 2)].name = hts221_saul_info[i].name;
saul_entries[(i * 2)].driver = &hts221_saul_temp_driver;
saul_entries[(i * 2) + 1].dev = &(hts221_devs[i]);
saul_entries[(i * 2) + 1].name = hts221_saul_info[i].name;
saul_entries[(i * 2) + 1].driver = &hts221_saul_hum_driver;
saul_reg_add(&(saul_entries[(i * 2)]));
saul_reg_add(&(saul_entries[(i * 2) + 1]));
}
}