text: /*
   * Copyright (C) 2018 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 SDS011 particulate matter sensor
   *
   * @author      Michel Rottleuthner <michel.rottleuthner@haw-hamburg.de>
   *
   * @}
   */
  
  #ifdef MODULE_SDS011
  
  #include "assert.h"
  #include "log.h"
  #include "saul_reg.h"
  #include "sds011.h"
  #include "sds011_params.h"
  
  /**
   * @brief   Define the number of configured sensors
   */
  #define SDS011_NUM     ARRAY_SIZE(sds011_params)
  
  /**
   * @brief   Allocate memory for the device descriptors
   */
  static sds011_t sds011_devs[SDS011_NUM];
  
  /**
   * @brief   Memory for the SAUL registry entries
   */
  static saul_reg_t saul_entries[SDS011_NUM];
  
  /**
   * @brief   Define the number of saul info
   */
  #define SDS011_INFO_NUM ARRAY_SIZE(sds011_saul_info)
  
  /**
   * @name    Import SAUL endpoint
   * @{
   */
  extern const saul_driver_t sds011_saul_driver;
  /** @} */
  
  void auto_init_sds011(void)
  {
      assert(SDS011_INFO_NUM == SDS011_NUM);
  
      for (unsigned int i = 0; i < SDS011_NUM; i++) {
          LOG_DEBUG("[auto_init_saul] initializing sds011 #%u\n", i);
  
          if (sds011_init(&sds011_devs[i], &sds011_params[i]) != SDS011_OK) {
              LOG_ERROR("[auto_init_saul] error initializing sds011 #%u\n", i);
              continue;
          }
  
          int retries = 0;
  
          /* sensor must be set to query mode for manual reading by saul */
          while (sds011_set_reporting_mode(&sds011_devs[i], SDS011_RMODE_QUERY) != SDS011_OK) {
              if (retries++ >= 3) {
                  LOG_ERROR("[auto_init_saul] error setting sds011 to query mode #%u\n", i);
                  continue;
              }
          }
  
          saul_entries[i].dev = &(sds011_devs[i]);
          saul_entries[i].name = sds011_saul_info[i].name;
          saul_entries[i].driver = &sds011_saul_driver;
          saul_reg_add(&saul_entries[i]);
      }
  }
  
  #else
  typedef int dont_be_pedantic;
  #endif /* MODULE_SDS011 */
  