1/*
2 * Author: Zion Orent <sorent@ics.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 <iostream>
26#include <string>
27#include <stdexcept>
28
29#include "grovespeaker.h"
30
31using namespace upm;
32
33GroveSpeaker::GroveSpeaker(int pin)
34{
35  if ( !(m_gpio = mraa_gpio_init(pin)) )
36    throw std::invalid_argument(std::string(__FUNCTION__) +
37                                ": mraa_gpio_init() failed, invalid pin?");
38
39    mraa_gpio_dir(m_gpio, MRAA_GPIO_OUT);
40	m_note_list['a'] = storeNote(1136, 1073, 568, 536, 284, 268);
41	m_note_list['b'] = storeNote(1012, 0, 506, 0, 253, 0);
42	m_note_list['c'] = storeNote(1911, 1804, 956, 902, 478, 451);
43	m_note_list['d'] = storeNote(1703, 1607, 851, 804, 426, 402);
44	m_note_list['e'] = storeNote(1517, 0, 758, 0, 379, 0);
45	m_note_list['f'] = storeNote(1432, 1351, 716, 676, 358, 338);
46	m_note_list['g'] = storeNote(1276, 1204, 638, 602, 319, 301);
47}
48
49GroveSpeaker::~GroveSpeaker()
50{
51    mraa_gpio_close(m_gpio);
52}
53
54NoteData GroveSpeaker::storeNote(int noteDelayLow, int noteDelayLowSharp,
55                                 int noteDelayMed, int noteDelayMedSharp,
56                                 int noteDelayHigh, int noteDelayHighSharp)
57{
58	NoteData note;
59	note.delayTimeLow = noteDelayLow;
60	note.delayTimeLowSharp = noteDelayLowSharp;
61	note.delayTimeMed = noteDelayMed;
62	note.delayTimeMedSharp = noteDelayMedSharp;
63	note.delayTimeHigh = noteDelayHigh;
64	note.delayTimeHighSharp = noteDelayHighSharp;
65	return note;
66}
67
68void GroveSpeaker::playAll()
69{
70	playSound('c', false, "low");
71	usleep(200000);
72	playSound('d', false, "low");
73	usleep(200000);
74	playSound('e', false, "low");
75	usleep(200000);
76	playSound('f', false, "low");
77	usleep(200000);
78	playSound('g', false, "low");
79	usleep(500000);
80	playSound('a', false, "low");
81	usleep(500000);
82	playSound('b', false, "low");
83	usleep(500000);
84}
85
86void GroveSpeaker::playSound(char letter, bool sharp, std::string vocalWeight)
87{
88	std::map<char, NoteData>::iterator it = m_note_list.find(letter);
89	if(it == m_note_list.end())
90	{
91		std::cout << "The key " << letter << " doesn't exist." << std::endl;
92		return;
93	}
94	NoteData nd = it->second;
95	int delayTime;
96	if (sharp)
97	{
98		if (vocalWeight.compare("low") == 0)
99			delayTime = nd.delayTimeLowSharp;
100		else if (vocalWeight.compare("med") == 0)
101			delayTime = nd.delayTimeMedSharp;
102		else if (vocalWeight.compare("high") == 0)
103			delayTime = nd.delayTimeHighSharp;
104		else
105		{
106			std::cout << "Correct voice weight values are low, med, or high"
107			          << std::endl;
108			return;
109		}
110	}
111	else
112	{
113		if (vocalWeight.compare("low") == 0)
114			delayTime = nd.delayTimeLow;
115		else if (vocalWeight.compare("med") == 0)
116			delayTime = nd.delayTimeMed;
117		else if (vocalWeight.compare("high") == 0)
118			delayTime = nd.delayTimeHigh;
119		else
120		{
121			std::cout << "Correct voice weight values are low, med, or high"
122			          << std::endl;
123			return;
124		}
125	}
126	// If delayTime is zero, that means you tried to choose a sharp note
127	// for a note that has no sharp
128	if (sharp && !delayTime)
129	{
130		std::cout << "The key " << letter << " doesn't have a sharp note."
131		          << std::endl;
132		return;
133	}
134	sound(delayTime);
135}
136
137void GroveSpeaker::sound(int note_delay)
138{
139	mraa_result_t error = MRAA_SUCCESS;
140	for (int i = 0; i < 100; i++)
141 	{
142		error = mraa_gpio_write (m_gpio, HIGH);
143		usleep(note_delay);
144		error = mraa_gpio_write (m_gpio, LOW);
145		usleep(note_delay);
146	}
147	if (error != MRAA_SUCCESS)
148		mraa_result_print(error);
149}
150
151