Contiki-NG
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 /* -------------------------------------------------------------------------- */
69 extern const struct sensors_sensor sht25;
70 /* -------------------------------------------------------------------------- */
71 #endif /* ifndef SHT25_H_ */