wiki:Docs/Prog/Manual/ApplicationLibraries/lib825ev/KeypadSound/PlayNotes

Version 3 (modified by Don Wilson, 14 years ago) ( diff )

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PlayNotes

Play simple music notes on the beeper.

void PlayNotes(const string& strNotes);

void PlayNotes(const char* pszNotes);

Parameters

  • strNotes - string containing notes to play
  • pszNotes - character array pointer containing notes to play

Return Value

  • void - does not return any value

Remarks

Any application that will use PlayNotes must call OpenBeeeper first.

The duration of note may be specified such as 8A as an eighth note, 4C and a quarter note. The octave may be specified after the note such as 8A5 to specify an eighth A note octave 5.

The available notes are limited to:

Octave 5 - A, B, C, D, E, F, G

Octave 6 - A, C, E, G

Octave 7 - C, D, E

Beeper Frequencies - C5 = 523.25Hz D5 = 587.33Hz E5 = 659.26Hz F5 = 698.46Hz G5 = 783.99Hz A5 = 880.00Hz B5 = 987.77Hz C6 = 1046.50Hz E6 = 1318.50Hz G6 = 1568.00Hz A6 = 1760.00Hz C7 = 2093.00Hz D7 = 2349.30Hz E7 = 2637.00Hz

Examples

string str = "A,B,C";
PlayNotes(str);
PlayNotes("A,B,C");

See Also

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