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speaker: C port, C++ wraps C

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Signed-off-by: Jon Trulson <jtrulson@ics.com>
This commit is contained in:
Jon Trulson
2017-01-19 13:54:21 -07:00
parent d3b864362d
commit ab96e8f3a3
7 changed files with 447 additions and 178 deletions
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115
src/speaker/speaker.cxx
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@@ -1,4 +1,8 @@
/*
* Author: Jon Trulson <jtrulson@ics.com>
* Copyright (c) 2017 Intel Corporation.
*
* Based on original C++ driver by:
* Author: Zion Orent <sorent@ics.com>
* Copyright (c) 2014 Intel Corporation.
*
@@ -30,121 +34,26 @@
using namespace upm;
Speaker::Speaker(int pin)
Speaker::Speaker(int pin) :
m_speaker(speaker_init(pin))
{
if ( !(m_gpio = mraa_gpio_init(pin)) )
throw std::invalid_argument(std::string(__FUNCTION__) +
": mraa_gpio_init() failed, invalid pin?");
mraa_gpio_dir(m_gpio, MRAA_GPIO_OUT);
m_note_list['a'] = storeNote(1136, 1073, 568, 536, 284, 268);
m_note_list['b'] = storeNote(1012, 0, 506, 0, 253, 0);
m_note_list['c'] = storeNote(1911, 1804, 956, 902, 478, 451);
m_note_list['d'] = storeNote(1703, 1607, 851, 804, 426, 402);
m_note_list['e'] = storeNote(1517, 0, 758, 0, 379, 0);
m_note_list['f'] = storeNote(1432, 1351, 716, 676, 358, 338);
m_note_list['g'] = storeNote(1276, 1204, 638, 602, 319, 301);
if (!m_speaker)
throw std::runtime_error(std::string(__FUNCTION__) +
": speaker_init() failed.");
}
Speaker::~Speaker()
{
mraa_gpio_close(m_gpio);
}
NoteData Speaker::storeNote(int noteDelayLow, int noteDelayLowSharp,
int noteDelayMed, int noteDelayMedSharp,
int noteDelayHigh, int noteDelayHighSharp)
{
NoteData note;
note.delayTimeLow = noteDelayLow;
note.delayTimeLowSharp = noteDelayLowSharp;
note.delayTimeMed = noteDelayMed;
note.delayTimeMedSharp = noteDelayMedSharp;
note.delayTimeHigh = noteDelayHigh;
note.delayTimeHighSharp = noteDelayHighSharp;
return note;
speaker_close(m_speaker);
}
void Speaker::playAll()
{
playSound('c', false, "low");
usleep(200000);
playSound('d', false, "low");
usleep(200000);
playSound('e', false, "low");
usleep(200000);
playSound('f', false, "low");
usleep(200000);
playSound('g', false, "low");
usleep(500000);
playSound('a', false, "low");
usleep(500000);
playSound('b', false, "low");
usleep(500000);
speaker_play_all(m_speaker);
}
void Speaker::playSound(char letter, bool sharp, std::string vocalWeight)
{
std::map<char, NoteData>::iterator it = m_note_list.find(letter);
if(it == m_note_list.end())
{
std::cout << "The key " << letter << " doesn't exist." << std::endl;
return;
}
NoteData nd = it->second;
int delayTime;
if (sharp)
{
if (vocalWeight.compare("low") == 0)
delayTime = nd.delayTimeLowSharp;
else if (vocalWeight.compare("med") == 0)
delayTime = nd.delayTimeMedSharp;
else if (vocalWeight.compare("high") == 0)
delayTime = nd.delayTimeHighSharp;
else
{
std::cout << "Correct voice weight values are low, med, or high"
<< std::endl;
return;
}
}
else
{
if (vocalWeight.compare("low") == 0)
delayTime = nd.delayTimeLow;
else if (vocalWeight.compare("med") == 0)
delayTime = nd.delayTimeMed;
else if (vocalWeight.compare("high") == 0)
delayTime = nd.delayTimeHigh;
else
{
std::cout << "Correct voice weight values are low, med, or high"
<< std::endl;
return;
}
}
// If delayTime is zero, that means you tried to choose a sharp note
// for a note that has no sharp
if (sharp && !delayTime)
{
std::cout << "The key " << letter << " doesn't have a sharp note."
<< std::endl;
return;
}
sound(delayTime);
}
void Speaker::sound(int note_delay)
{
mraa_result_t error = MRAA_SUCCESS;
for (int i = 0; i < 100; i++)
{
error = mraa_gpio_write (m_gpio, HIGH);
usleep(note_delay);
error = mraa_gpio_write (m_gpio, LOW);
usleep(note_delay);
}
if (error != MRAA_SUCCESS)
mraa_result_print(error);
speaker_play_sound(m_speaker, letter, sharp, vocalWeight.c_str());
}