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RIOT/drivers/si70xx/si70xx_saul.c 1.18 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     driver_si70xx
   * @{
   *
   * @file
   * @brief       SAUL adoption for Si7006/13/20/21 sensor.
   *
   * @author      Bas Stottelaar <basstottelaar@gmail.com>
   *
   * @}
   */
  
  #include "saul.h"
  
  #include "si70xx.h"
  
  static int read_temperature(void *dev, phydat_t *res)
  {
      si70xx_t *d = (si70xx_t *)dev;
  
      res->val[0] = (int32_t) si70xx_get_temperature(d);
      res->unit = UNIT_TEMP_C;
      res->scale = -2;
  
      return 1;
  }
  
  static int read_relative_humidity(void *dev, phydat_t *res)
  {
      si70xx_t *d = (si70xx_t *)dev;
  
      res->val[0] = (int32_t) si70xx_get_relative_humidity(d);
      res->unit = UNIT_PERCENT;
      res->scale = -2;
  
      return 1;
  }
  
  const saul_driver_t si70xx_temperature_saul_driver = {
      .read = read_temperature,
      .write = saul_notsup,
      .type = SAUL_SENSE_TEMP
  };
  
  const saul_driver_t si70xx_relative_humidity_saul_driver = {
      .read = read_relative_humidity,
      .write = saul_notsup,
      .type = SAUL_SENSE_HUM
  };