bmp180_saul.c
1.17 KB
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
/*
* Copyright (C) 2016 Inria
*
* 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_bmp180
* @{
*
* @file
* @brief SAUL adaption for BMP180 device
*
* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
* @author Alexandre Abadie <alexandre.abadie@inria.fr>
*
* @}
*/
#include <string.h>
#include "saul.h"
#include "bmp180.h"
#include "xtimer.h"
static int read_temperature(const void *dev, phydat_t *res)
{
res->val[0] = bmp180_read_temperature((const bmp180_t *)dev);
res->unit = UNIT_TEMP_C;
res->scale = -1;
return 1;
}
static int read_pressure(const void *dev, phydat_t *res)
{
res->val[0] = bmp180_read_pressure((const bmp180_t *)dev) / 100;
res->unit = UNIT_PA;
res->scale = 2;
return 1;
}
const saul_driver_t bmp180_temperature_saul_driver = {
.read = read_temperature,
.write = saul_notsup,
.type = SAUL_SENSE_TEMP
};
const saul_driver_t bmp180_pressure_saul_driver = {
.read = read_pressure,
.write = saul_notsup,
.type = SAUL_SENSE_PRESS
};