1/*
2 * Author: Zion Orent <sorent@ics.com>
3 * Copyright (c) 2015 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 "groveelectromagnet.h"
29
30using namespace upm;
31
32GroveElectromagnet::GroveElectromagnet(int pin)
33{
34    if ( !(m_gpio = mraa_gpio_init(pin)) )
35      {
36        throw std::invalid_argument(std::string(__FUNCTION__) +
37                                    ": mraa_gpio_init() failed, invalid pin?");
38        return;
39      }
40    mraa_gpio_dir(m_gpio, MRAA_GPIO_OUT);
41}
42
43GroveElectromagnet::~GroveElectromagnet()
44{
45    mraa_gpio_close(m_gpio);
46}
47
48void GroveElectromagnet::on()
49{
50	mraa_result_t error = MRAA_SUCCESS;
51	error = mraa_gpio_write (m_gpio, HIGH);
52	if (error != MRAA_SUCCESS)
53		mraa_result_print(error);
54}
55
56void GroveElectromagnet::off()
57{
58	mraa_result_t error = MRAA_SUCCESS;
59	error = mraa_gpio_write (m_gpio, LOW);
60	if (error != MRAA_SUCCESS)
61		mraa_result_print(error);
62}
63