Contiki-NG
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sht25.h
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1/*
2 * Copyright (c) 2015, Zolertia <http://www.zolertia.com>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the Institute nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * This file is part of the Contiki operating system.
30 *
31 */
32/**
33 * \file
34 * SHT25 temperature and humidity sensor driver
35 * \author
36 * Antonio Lignan <alinan@zolertia.com>
37 */
38#include "lib/sensors.h"
39
40#ifndef SHT25_H_
41#define SHT25_H_
42
43/* -------------------------------------------------------------------------- */
44#define SHT25_ADDR 0x40
45#define SHT25_TEMP_HOLD 0xE3
46#define SHT25_HUM_HOLD 0xE5
47#define SHT25_TEMP_NO_HOLD 0xF3
48#define SHT25_HUM_NO_HOLD 0xF5
49#define SHT2X_UREG_WRITE 0xE6
50#define SHT2X_UREG_READ 0xE7
51#define SHT2X_SOFT_RESET 0XFE
52#define SHT2X_NULL 0x00
53/* -------------------------------------------------------------------------- */
54#define SHT2X_RES_14T_12RH 0x00
55#define SHT2X_RES_12T_08RH 0x01
56#define SHT2X_RES_13T_10RH 0x80
57#define SHT2X_RES_11T_11RH 0x81
58#define SHT2X_HEATER_ON 0x04
59#define SHT2X_HEATER_OFF 0x00
60#define SHT2X_OTP_RELOAD_EN 0x00
61#define SHT2X_OTP_RELOAD_DIS 0x02
62/* -------------------------------------------------------------------------- */
63#define SHT25_VAL_TEMP SHT25_TEMP_HOLD
64#define SHT25_VAL_HUM SHT25_HUM_HOLD
65#define SHT25_ERROR -1
66/* -------------------------------------------------------------------------- */
67#define SHT25_SENSOR "SHT25 Sensor"
68/* -------------------------------------------------------------------------- */
69extern const struct sensors_sensor sht25;
70/* -------------------------------------------------------------------------- */
71#endif /* ifndef SHT25_H_ */