1 /*
2 * Author: Sarah Knepper <sarah.knepper@intel.com>
3 * Copyright (c) 2014 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
25 #include <string>
26 #include <stdexcept>
27
28 #include "ldt0028.h"
29
30 using namespace upm;
31
LDT0028(unsigned int pin)32 LDT0028::LDT0028(unsigned int pin) {
33 // initialize analog input
34 if ( !(m_pin = mraa_aio_init(pin)) )
35 {
36 throw std::invalid_argument(std::string(__FUNCTION__) +
37 ": mraa_aio_init() failed, invalid pin?");
38 return;
39 }
40 m_name = "ldt0-028";
41 }
42
~LDT0028()43 LDT0028::~LDT0028() {
44 // close analog input
45 mraa_aio_close(m_pin);
46 }
47
name()48 std::string LDT0028::name() {
49 return m_name;
50 }
51
getSample()52 int LDT0028::getSample() {
53 return mraa_aio_read(m_pin);
54 }
55