Blame view

RIOT/drivers/hdc1000/hdc1000_saul.c 1.3 KB
a752c7ab   elopes   add first test an...
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
  /*
   * Copyright (C) 2017 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     drivers_hdc1000
   * @{
   *
   * @file
   * @brief       HDC1000 adaption to the RIOT actuator/sensor interface
   *
   * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
   *
   * @}
   */
  
  #include <string.h>
  
  #include "saul.h"
  #include "hdc1000.h"
  
  static int read_temp(const void *dev, phydat_t *res)
  {
      if (hdc1000_read((const hdc1000_t *)dev, &(res->val[0]), NULL) != HDC1000_OK) {
          return -ECANCELED;
      }
      memset(&(res->val[1]), 0, 2 * sizeof(int16_t));
      res->unit = UNIT_TEMP_C;
      res->scale = -2;
  
      return 1;
  }
  
  static int read_hum(const void *dev, phydat_t *res)
  {
      if (hdc1000_read((const hdc1000_t *)dev, NULL, &(res->val[0])) != HDC1000_OK) {
          return -ECANCELED;
      }
      memset(&(res->val[1]), 0, 2 * sizeof(int16_t));
      res->unit = UNIT_PERCENT;
      res->scale = -2;
  
      return 1;
  }
  
  const saul_driver_t hdc1000_saul_temp_driver = {
      .read = read_temp,
      .write = saul_notsup,
      .type = SAUL_SENSE_TEMP,
  };
  
  const saul_driver_t hdc1000_saul_hum_driver = {
      .read = read_hum,
      .write = saul_notsup,
      .type = SAUL_SENSE_HUM,
  };