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speaker.h File Reference

Header for the speaker. More...

#include <const.h>

Go to the source code of this file.

Defines
#define	SYSTEM_BEEP_FREQ   0x533
	Frequency of the system beep.
#define	SYSTEM_BEEP_TIME   20
	The system beep duration (in ms).
Functions
void	sound (uint32_t frequency)
	Start a sound using the speaker. Parameters: frequency  The frequency of the sound.
void	nosound ()
	Turn off the speaker.
void	beep ()
	Play a system beep.

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Detailed Description

Header for the speaker.

Author:

Andrea Righi <drizzt@inwind.it>

Date:

Last update: 2003-11-02

Note:

Copyright (©) 2003 Andrea Righi

Definition in file speaker.h.

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