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RIOT/sys/auto_init/saul/auto_init_si70xx.c 2.11 KB
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  /*
   * Copyright (C) 2016 Bas Stottelaar <basstottelaar@gmail.com>
   *
   * 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 Si70xx driver.
   *
   * @author      Bas Stottelaar <basstottelaar@gmail.com>
   *
   * @}
   */
  
  #ifdef MODULE_SI70XX
  
  #include "log.h"
  #include "saul_reg.h"
  #include "si70xx.h"
  #include "si70xx_params.h"
  
  /**
   * @brief   Define the number of configured sensors
   */
  #define SI70XX_NUMOF    (sizeof(si70xx_params) / sizeof(si70xx_params[0]))
  
  /**
   * @brief   Allocation of memory for device descriptors
   */
  static si70xx_t si70xx_devs[SI70XX_NUMOF];
  
  /**
   * @brief   Memory for the SAUL registry entries
   */
  static saul_reg_t saul_entries[SI70XX_NUMOF * 2];
  
  /**
   * @brief   Reference the driver structs.
   * @{
   */
  extern const saul_driver_t si70xx_temperature_saul_driver;
  extern const saul_driver_t si70xx_relative_humidity_saul_driver;
  /** @} */
  
  void auto_init_si70xx(void)
  {
      for (unsigned i = 0; i < SI70XX_NUMOF; i++) {
          LOG_DEBUG("[auto_init_saul] initializing SI70xx #%u\n", i);
  
          int res = si70xx_init(&si70xx_devs[i],
                                si70xx_params[i].i2c_dev,
                                si70xx_params[i].address);
          if (res < 0) {
              LOG_ERROR("[auto_init_saul] error initializing SI70xx #%i\n", i);
              continue;
          }
  
          /* temperature */
          saul_entries[i * 2].dev = &si70xx_devs[i];
          saul_entries[i * 2].name = si70xx_saul_reg_info[i].name;
          saul_entries[i * 2].driver = &si70xx_temperature_saul_driver;
  
          /* relative humidity */
          saul_entries[(i * 2) + 1].dev = &si70xx_devs[i];
          saul_entries[(i * 2) + 1].name = si70xx_saul_reg_info[i].name;
          saul_entries[(i * 2) + 1].driver = \
                  &si70xx_relative_humidity_saul_driver;
  
          saul_reg_add(&saul_entries[i * 2]);
          saul_reg_add(&saul_entries[(i * 2) + 1]);
      }
  }
  
  #else
  typedef int dont_be_pedantic;
  #endif /* MODULE_SI70XX */