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RIOT/sys/auto_init/saul/auto_init_bmp180.c 2.01 KB
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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.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;
  /** @} */
  
  void auto_init_bmp180(void)
  {
      for (unsigned i = 0; i < BMP180_NUMOF; i++) {
          LOG_DEBUG("[auto_init_saul] initializing bmp180 #%u\n", i);
  
          if (bmp180_init(&bmp180_devs[i],
                          &bmp180_params[i]) != BMP180_OK) {
              LOG_ERROR("[auto_init_saul] error initializing bmp180 #%u\n", i);
              continue;
          }
  
          /* temperature */
          saul_entries[(i * 2)].dev = &(bmp180_devs[i]);
          saul_entries[(i * 2)].name = bmp180_saul_reg_info[i].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].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 */