Sample API functions for playing tunes on a piezo buzzer.

Functions
void	halPlayTune_P (uint8_t PGM *tune, bool bkg)
	Plays a tune on the piezo buzzer.

void	halStackIndicatePresence (void)
	Causes something to happen on a node (such as playing a tune on the buzzer) that can be used to indicate where it physically is.

Note Definitions
Flats are used instead of sharps because # is a special character.
#define	NOTE_C3 119
	A note which can be used in tune structure definitions.

#define	NOTE_Db3 112
	A note which can be used in tune structure definitions.

#define	NOTE_D3 106
	A note which can be used in tune structure definitions.

#define	NOTE_Eb3 100
	A note which can be used in tune structure definitions.

#define	NOTE_E3 94
	A note which can be used in tune structure definitions.

#define	NOTE_F3 89
	A note which can be used in tune structure definitions.

#define	NOTE_Gb3 84
	A note which can be used in tune structure definitions.

#define	NOTE_G3 79
	A note which can be used in tune structure definitions.

#define	NOTE_Ab3 74
	A note which can be used in tune structure definitions.

#define	NOTE_A3 70
	A note which can be used in tune structure definitions.

#define	NOTE_Bb3 66
	A note which can be used in tune structure definitions.

#define	NOTE_B3 63
	A note which can be used in tune structure definitions.

#define	NOTE_C4 59
	A note which can be used in tune structure definitions.

#define	NOTE_Db4 55
	A note which can be used in tune structure definitions.

#define	NOTE_D4 52
	A note which can be used in tune structure definitions.

#define	NOTE_Eb4 49
	A note which can be used in tune structure definitions.

#define	NOTE_E4 46
	A note which can be used in tune structure definitions.

#define	NOTE_F4 44
	A note which can be used in tune structure definitions.

#define	NOTE_Gb4 41
	A note which can be used in tune structure definitions.

#define	NOTE_G4 39
	A note which can be used in tune structure definitions.

#define	NOTE_Ab4 37
	A note which can be used in tune structure definitions.

#define	NOTE_A4 35
	A note which can be used in tune structure definitions.

#define	NOTE_Bb4 33
	A note which can be used in tune structure definitions.

#define	NOTE_B4 31
	A note which can be used in tune structure definitions.

#define	NOTE_C5 29
	A note which can be used in tune structure definitions.

#define	NOTE_Db5 27
	A note which can be used in tune structure definitions.

#define	NOTE_D5 26
	A note which can be used in tune structure definitions.

#define	NOTE_Eb5 24
	A note which can be used in tune structure definitions.

#define	NOTE_E5 23
	A note which can be used in tune structure definitions.

#define	NOTE_F5 21
	A note which can be used in tune structure definitions.

#define	NOTE_Gb5 20
	A note which can be used in tune structure definitions.

#define	NOTE_G5 19
	A note which can be used in tune structure definitions.

#define	NOTE_Ab5 18
	A note which can be used in tune structure definitions.

#define	NOTE_A5 17
	A note which can be used in tune structure definitions.

#define	NOTE_Bb5 16
	A note which can be used in tune structure definitions.

#define	NOTE_B5 15
	A note which can be used in tune structure definitions.

Detailed Description

Sample API functions for playing tunes on a piezo buzzer.

See buzzer.h for source code.