public static bool TryParse(ReadOnlySpan <char> text, [MaybeNullWhen(returnValue: false)] out Rtttl rtttl)
{
rtttl = null;
var endOfName = text.IndexOf(Separator);
var readOnlySpan = text.Slice(0, endOfName);
#if NETSTANDARD2_1
var name = new string(readOnlySpan);
#else
var name = new string(readOnlySpan.ToArray());
#endif
text = text.Slice(endOfName + 1);
var endOfSettings = text.IndexOf(Separator);
if (!RtttlSettings.TryParse(text.Slice(0, endOfSettings), out var rtttlSettings))
{
return(false);
}
if (!TryParseNotes(text.Slice(endOfSettings + 1), out var notes))
{
return(false);
}
rtttl = new Rtttl(name, rtttlSettings, notes);
return(true);
}
public static void PlayWithConsoleBeep(this Rtttl rtttl)
{
rtttl.Play(new ConsoleBeepPlayer());
}
/// <summary>
/// Play With PWM Channel.
/// </summary>
/// <param name="rtttl">Ring Tone Transfer Language.</param>
/// <param name="pwmChannel">PWM channel.</param>
public static void PlayWithPwmChannel(this Rtttl rtttl, PwmChannel pwmChannel)
{
rtttl.Play(new PwmChannelPlayer(pwmChannel));
}
/// <summary>
/// Play With PWM Channel.
/// </summary>
/// <param name="rtttl">Ring Tone Transfer Language.</param>
/// <param name="chip">The PWM chip number.</param>
/// <param name="channel">The PWM channel number.</param>
public static void PlayWithPwmChannel(this Rtttl rtttl, int chip, int channel)
{
rtttl.Play(new PwmChannelPlayer(PwmChannel.Create(chip, channel)));
}
