auto_init_bmp180.c
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/*
* Copyright (C) 2016 Inria
*
* 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 BMP180 driver.
*
* @author Alexandre Abadie <alexandre.abadie@inria.fr>
*
* @}
*/
#ifdef MODULE_BMP180
#include "log.h"
#include "saul_reg.h"
#include "bmp180_params.h"
/**
* @brief Define the number of configured sensors
*/
#define BMP180_NUMOF (sizeof(bmp180_params) / sizeof(bmp180_params[0]))
/**
* @brief Allocation of memory for device descriptors
*/
static bmp180_t bmp180_devs[BMP180_NUMOF];
/**
* @brief Memory for the SAUL registry entries
*/
static saul_reg_t saul_entries[BMP180_NUMOF * 2];
/**
* @brief Reference the driver structs.
* @{
*/
extern const saul_driver_t bmp180_temperature_saul_driver;
extern const saul_driver_t bmp180_pressure_saul_driver;
/** @} */
/**
* @brief Allocate and configure entries to the SAUL registry
*/
saul_reg_t bmp180_saul_reg_info[][2] =
{
{
{
.name= "bmp180-temp",
.driver = &bmp180_temperature_saul_driver
},
{
.name = "bmp180-press",
.driver = &bmp180_pressure_saul_driver
}
}
};
void auto_init_bmp180(void)
{
for (unsigned i = 0; i < BMP180_NUMOF; i++) {
if (bmp180_init(&bmp180_devs[i],
bmp180_params[i].i2c_dev,
bmp180_params[i].mode) < 0) {
LOG_ERROR("Unable to initialize BMP180 sensor #%i\n", i);
return;
}
/* temperature */
saul_entries[(i * 2)].dev = &(bmp180_devs[i]);
saul_entries[(i * 2)].name = bmp180_saul_reg_info[i][0].name;
saul_entries[(i * 2)].driver = &bmp180_temperature_saul_driver;
/* atmospheric pressure */
saul_entries[(i * 2) + 1].dev = &(bmp180_devs[i]);
saul_entries[(i * 2) + 1].name = bmp180_saul_reg_info[i][1].name;
saul_entries[(i * 2) + 1].driver = &bmp180_pressure_saul_driver;
/* register to saul */
saul_reg_add(&(saul_entries[(i * 2)]));
saul_reg_add(&(saul_entries[(i * 2) + 1]));
}
}
#else
typedef int dont_be_pedantic;
#endif /* MODULE_BMP180 */