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RIOT/sys/auto_init/saul/auto_init_isl29020.c 1.7 KB
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  /*
   * Copyright (C) 2015 Freie Universitรคt 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 ISL29020 light sensors
   *
   * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
   *
   * @}
   */
  
  #ifdef MODULE_ISL29020
  
  #include "log.h"
  #include "saul_reg.h"
  #include "isl29020.h"
  #include "isl29020_params.h"
  
  /**
   * @brief   Define the number of configured sensors
   */
  #define ISL29020_NUM    (sizeof(isl29020_params)/sizeof(isl29020_params[0]))
  
  /**
   * @brief   Allocate memory for the device descriptors
   */
  static isl29020_t isl29020_devs[ISL29020_NUM];
  
  /**
   * @brief   Memory for the SAUL registry entries
   */
  static saul_reg_t saul_entries[ISL29020_NUM];
  
  /**
   * @brief   Reference the driver struct
   */
  extern saul_driver_t isl29020_saul_driver;
  
  
  void auto_init_isl29020(void)
  {
      for (unsigned int i = 0; i < ISL29020_NUM; i++) {
          const isl29020_params_t *p = &isl29020_params[i];
  
          LOG_DEBUG("[auto_init_saul] initializing isl29020 #%u\n", i);
  
          int res = isl29020_init(&isl29020_devs[i], p->i2c, p->addr,
                                  p->range, p->mode);
          if (res < 0) {
              LOG_ERROR("[auto_init_saul] error initializing isl29020 #%u\n", i);
              continue;
          }
  
          saul_entries[i].dev = &(isl29020_devs[i]);
          saul_entries[i].name = isl29020_saul_info[i].name;
          saul_entries[i].driver = &isl29020_saul_driver;
          saul_reg_add(&(saul_entries[i]));
      }
  }
  
  #else
  typedef int dont_be_pedantic;
  #endif /* MODULE_ISL29020 */