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RIOT/drivers/lps331ap/lps331ap_saul.c 932 Bytes
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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     driver_lps331ap
   * @{
   *
   * @file
   * @brief       LPS331ap adaption to the RIOT actuator/sensor interface
   *
   * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
   *
   * @}
   */
  
  #include <string.h>
  
  #include "saul.h"
  #include "lps331ap.h"
  
  static int read(void *dev, phydat_t *res)
  {
      lps331ap_t *d = (lps331ap_t *)dev;
      res->val[0] = (int16_t)lps331ap_read_pres(d);
      memset(&(res->val[1]), 0, 2 * sizeof(int16_t));
      res->unit = UNIT_BAR;
      res->scale = -3;
      return 1;
  }
  
  static int write(void *dev, phydat_t *state)
  {
      return -ENOTSUP;
  }
  
  const saul_driver_t lps331ap_saul_driver = {
      .read = read,
      .write = write,
      .type = SAUL_SENSE_PRESS,
  };