upm  1.7.1
Sensor/Actuator repository for libmraa (v2.0.0)
guvas12d.h
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1 /*
2  * Author: Jon Trulson <jtrulson@ics.com>
3  * Copyright (c) 2016 Intel Corporation.
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining
6  * a copy of this software and associated documentation files (the
7  * "Software"), to deal in the Software without restriction, including
8  * without limitation the rights to use, copy, modify, merge, publish,
9  * distribute, sublicense, and/or sell copies of the Software, and to
10  * permit persons to whom the Software is furnished to do so, subject to
11  * the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be
14  * included in all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
20  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
21  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
22  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23  */
24 #pragma once
25 
26 #include <stdlib.h>
27 #include <stdio.h>
28 #include <upm.h>
29 #include <mraa/aio.h>
30 
31 #ifdef __cplusplus
32 extern "C" {
33 #endif
34 
46  typedef struct _guvas12d_context {
47  mraa_aio_context aio;
48 
49  // ADC reference voltage
50  float aref;
51  // ADC resolution
52  float ares;
53 
54  float scale;
55  float offset;
57 
63  guvas12d_context guvas12d_init(int pin, float aref);
64 
69 
76  upm_result_t guvas12d_get_volts(const guvas12d_context dev, float *volts);
77 
85  upm_result_t guvas12d_get_intensity(const guvas12d_context dev,
86  float *intensity);
87 
95  void guvas12d_set_offset(const guvas12d_context dev, float offset);
96 
104  void guvas12d_set_scale(const guvas12d_context dev, float scale);
105 
106 #ifdef __cplusplus
107 }
108 #endif
void guvas12d_close(guvas12d_context dev)
Definition: guvas12d.c:69
struct _guvas12d_context * guvas12d_context
void guvas12d_set_scale(const guvas12d_context dev, float scale)
Definition: guvas12d.c:123
void guvas12d_set_offset(const guvas12d_context dev, float offset)
Definition: guvas12d.c:116
upm_result_t guvas12d_get_volts(const guvas12d_context dev, float *volts)
Definition: guvas12d.c:79
guvas12d_context guvas12d_init(int pin, float aref)
Definition: guvas12d.c:32
Definition: guvas12d.h:46
upm_result_t guvas12d_get_intensity(const guvas12d_context dev, float *intensity)
Definition: guvas12d.c:96