/// <summary>
/// Play an single tone on a given channel
/// </summary>
/// <param name="tone">A RttlTone object</param>
/// <param name="channel">Any PWN pin</param>
public void PlayTone(RttlTone tone, PWM channel)
{
if (tone.Note != 0)
{
channel.SetPulse(tone.Period, tone.Period / 2);
Thread.Sleep(tone.GetDelay(Tempo));
channel.SetDutyCycle(0);
}
else
{
channel.SetDutyCycle(0);
Thread.Sleep(tone.GetDelay(Tempo));
}
}
/// <summary>
/// Plays a raw RTTL string by converting it into PWN tones
/// Derived from http://code.google.com/p/rogue-code/source/browse/Arduino/libraries/Tone/trunk/examples/RTTTL/RTTTL.pde
/// and Ian Lintner's port to C# https://github.com/ianlintner/Netduino-Ring-Tone-Player
/// </summary>
public void Play(PWM channel)
{
char[] charParserArray; //used for parsing the current section
const int defaultDuration = 4;
const int defaultOctave = 6;
var tone = new RttlTone();
foreach (var rttlNote in _rttlNotes)
{
charParserArray = rttlNote.ToLower().ToCharArray();
// Parse each note... and play it!
for (var i = 0; i < rttlNote.Length; i++)
{
var durationParseNumber = 0;
int currentScale;
var currentNote = 0;
const int octaveOffset = 0;
// first, get note duration, if available
while (i < charParserArray.Length && IsDigit(charParserArray[i]))
{
//construct the duration
durationParseNumber = (durationParseNumber * 10) + (charParserArray[i++] - '0');
}
var currentDuration = durationParseNumber > 0 ? durationParseNumber : defaultDuration;
// c is first note i.e. c = 1
// b = 12
// pause or undefined = 0
if (i < charParserArray.Length)
{
switch (charParserArray[i])
{
case 'c':
currentNote = 1;
break;
case 'd':
currentNote = 3;
break;
case 'e':
currentNote = 5;
break;
case 'f':
currentNote = 6;
break;
case 'g':
currentNote = 8;
break;
case 'a':
currentNote = 10;
break;
case 'b':
currentNote = 12;
break;
case 'p':
currentNote = 0;
break;
default:
currentNote = 0;
break;
}
}
i++;
// process whether the note is sharp
if (i < charParserArray.Length && charParserArray[i] == '#')
{
currentNote++;
i++;
}
// is it dotted note, divide the duration in half
if (i < charParserArray.Length && charParserArray[i] == '.')
{
currentDuration += currentDuration / 2;
i++;
}
// now, get octave
if (i < charParserArray.Length && IsDigit(charParserArray[i]))
{
currentScale = charParserArray[i] - '0';
i++;
}
else
{
currentScale = defaultOctave;
}
//offset if necessary
currentScale += octaveOffset;
// Setup the tone by calculating the note's location in the RTTTL note array
tone.SetTone((uint)RttlNotes[(currentScale - 1) * 12 + currentNote], (uint)currentDuration);
// Play the tone
PlayTone(tone, channel);
}
}
}
/// <summary>
/// Plays a raw RTTL string by converting it into PWN tones
/// Derived from http://code.google.com/p/rogue-code/source/browse/Arduino/libraries/Tone/trunk/examples/RTTTL/RTTTL.pde
/// and Ian Lintner's port to C# https://github.com/ianlintner/Netduino-Ring-Tone-Player
/// </summary>
public void Play(PWM channel) {
char[] charParserArray; //used for parsing the current section
const int defaultDuration = 4;
const int defaultOctave = 6;
var tone = new RttlTone();
foreach (var rttlNote in _rttlNotes) {
charParserArray = rttlNote.ToLower().ToCharArray();
// Parse each note... and play it!
for (var i = 0; i < rttlNote.Length; i++) {
var durationParseNumber = 0;
int currentScale;
var currentNote = 0;
const int octaveOffset = 0;
// first, get note duration, if available
while (i < charParserArray.Length && IsDigit(charParserArray[i])) {
//construct the duration
durationParseNumber = (durationParseNumber * 10) + (charParserArray[i++] - '0');
}
var currentDuration = durationParseNumber > 0 ? durationParseNumber : defaultDuration;
// c is first note i.e. c = 1
// b = 12
// pause or undefined = 0
if (i < charParserArray.Length) {
switch (charParserArray[i]) {
case 'c':
currentNote = 1;
break;
case 'd':
currentNote = 3;
break;
case 'e':
currentNote = 5;
break;
case 'f':
currentNote = 6;
break;
case 'g':
currentNote = 8;
break;
case 'a':
currentNote = 10;
break;
case 'b':
currentNote = 12;
break;
case 'p':
currentNote = 0;
break;
default:
currentNote = 0;
break;
}
}
i++;
// process whether the note is sharp
if (i < charParserArray.Length && charParserArray[i] == '#') {
currentNote++;
i++;
}
// is it dotted note, divide the duration in half
if (i < charParserArray.Length && charParserArray[i] == '.') {
currentDuration += currentDuration / 2;
i++;
}
// now, get octave
if (i < charParserArray.Length && IsDigit(charParserArray[i])) {
currentScale = charParserArray[i] - '0';
i++;
} else {
currentScale = defaultOctave;
}
//offset if necessary
currentScale += octaveOffset;
// Setup the tone by calculating the note's location in the RTTTL note array
tone.SetTone((uint)RttlNotes[(currentScale - 1) * 12 + currentNote], (uint)currentDuration);
// Play the tone
PlayTone(tone, channel);
}
}
}
/// <summary>
/// Play an single tone on a given channel
/// </summary>
/// <param name="tone">A RttlTone object</param>
/// <param name="channel">Any PWN pin</param>
public void PlayTone(RttlTone tone, PWM channel) {
if (tone.Note != 0) {
channel.SetPulse(tone.Period, tone.Period / 2);
Thread.Sleep(tone.GetDelay(Tempo));
channel.SetDutyCycle(0);
} else {
channel.SetDutyCycle(0);
Thread.Sleep(tone.GetDelay(Tempo));
}
}