File Description

PWM sound output.

This graph shows which files directly or indirectly include this file:

Macros
#define	PWMSND_GPIO 19

#define	PWMSND_SLICE ((PWMSND_GPIO>>1)&7)

#define	PWMSND_CHAN (PWMSND_GPIO&1)

#define	SOUNDRATE 22050

#define	PWMSND_TOP 255

#define	PWMSND_CLOCK (SOUNDRATE*(PWMSND_TOP+1))

#define	SNDFRAC 10

#define	SNDINT (1<<SNDFRAC)

Functions
void	PWMSndInit ()
	Initialize PWM sound output. More...

void	PlaySound (const u8 *snd, int len, Bool rep=False, float speed=1.0f)
	Output PWM sound. More...

void	StopSound ()
	stop playing sound More...

void	SpeedSound (float speed)
	Update sound speed. More...

Bool	PlayingSound ()
	Check if playing sound.

void	SetNextSound (const u8 *snd, int len)
	Set the next sound to play. More...

Macros