auto_init_lsm303dlhc.c
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/*
* Copyright (C) 2015 Freie Universität Berlin
*
* 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 LSM303DLHC accelerometer/magnetometer
*
* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
*
* @}
*/
#ifdef MODULE_LSM303DLHC
#include "log.h"
#include "saul_reg.h"
#include "lsm303dlhc.h"
#include "lsm303dlhc_params.h"
/**
* @brief Define the number of configured sensors
*/
#define LSM303DLHC_NUM (sizeof(lsm303dlhc_params)/sizeof(lsm303dlhc_params[0]))
/**
* @brief Allocate memory for the device descriptors
*/
static lsm303dlhc_t lsm303dlhc_devs[LSM303DLHC_NUM];
/**
* @brief Memory for the SAUL registry entries
*/
static saul_reg_t saul_entries[LSM303DLHC_NUM * 2];
/**
* @brief Reference the driver structs
* @{
*/
extern saul_driver_t lsm303dlhc_saul_acc_driver;
extern saul_driver_t lsm303dlhc_saul_mag_driver;
/** @} */
void auto_init_lsm303dlhc(void)
{
for (unsigned int i = 0; i < LSM303DLHC_NUM; i++) {
const lsm303dlhc_params_t *p = &lsm303dlhc_params[i];
LOG_DEBUG("[auto_init_saul] initializing lsm303dlhc #%u\n", i);
int res = lsm303dlhc_init(&lsm303dlhc_devs[i], p->i2c,
p->acc_pin, p->mag_pin,
p->acc_addr, p->acc_rate, p->acc_scale,
p->mag_addr, p->mag_rate, p->mag_gain);
if (res < 0) {
LOG_ERROR("[auto_init_saul] error initializing lsm303dlhc #%u\n", i);
continue;
}
saul_entries[(i * 2)].dev = &(lsm303dlhc_devs[i]);
saul_entries[(i * 2)].name = lsm303dlhc_saul_info[i].name;
saul_entries[(i * 2)].driver = &lsm303dlhc_saul_acc_driver;
saul_entries[(i * 2) + 1].dev = &(lsm303dlhc_devs[i]);
saul_entries[(i * 2) + 1].name = lsm303dlhc_saul_info[i].name;
saul_entries[(i * 2) + 1].driver = &lsm303dlhc_saul_mag_driver;
saul_reg_add(&(saul_entries[(i * 2)]));
saul_reg_add(&(saul_entries[(i * 2) + 1]));
}
}
#else
typedef int dont_be_pedantic;
#endif /* MODULE_LSM303DLHC */