Statistics
| Branch: | Revision:

ddr4s / fw / wiringPi / wiringPi / ads1115.h @ 32:cadb9025f1e0

History | View | Annotate | Download (1.57 KB)

1
/*
2
 * ads1115.c:
3
 *        Extend wiringPi with the ADS1115 I2C 16-bit ADC
4
 *        Copyright (c) 2016 Gordon Henderson
5
 ***********************************************************************
6
 * This file is part of wiringPi:
7
 *        https://projects.drogon.net/raspberry-pi/wiringpi/
8
 *
9
 *    wiringPi is free software: you can redistribute it and/or modify
10
 *    it under the terms of the GNU Lesser General Public License as
11
 *    published by the Free Software Foundation, either version 3 of the
12
 *    License, or (at your option) any later version.
13
 *
14
 *    wiringPi is distributed in the hope that it will be useful,
15
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
16
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17
 *    GNU Lesser General Public License for more details.
18
 *
19
 *    You should have received a copy of the GNU Lesser General Public
20
 *    License along with wiringPi.
21
 *    If not, see <http://www.gnu.org/licenses/>.
22
 ***********************************************************************
23
 */
24

    
25
// Constants for some of the internal functions
26

    
27
//        Gain
28

    
29
#define        ADS1115_GAIN_6                0
30
#define        ADS1115_GAIN_4                1
31
#define        ADS1115_GAIN_2                2
32
#define        ADS1115_GAIN_1                3
33
#define        ADS1115_GAIN_HALF        4
34
#define        ADS1115_GAIN_QUARTER        5
35

    
36
//        Data rate
37

    
38
#define        ADS1115_DR_8                0
39
#define        ADS1115_DR_16                1
40
#define        ADS1115_DR_32                2
41
#define        ADS1115_DR_64                3
42
#define        ADS1115_DR_128                4
43
#define        ADS1115_DR_250                5
44
#define        ADS1115_DR_475                6
45
#define        ADS1115_DR_860                7
46

    
47
#ifdef __cplusplus
48
extern "C" {
49
#endif
50

    
51
extern int ads1115Setup (int pinBase, int i2cAddress) ;
52

    
53
#ifdef __cplusplus
54
}
55
#endif