reactos/hal/halppc/generic/beep.c
2013-06-16 22:01:41 +00:00

43 lines
944 B
C

/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
* FILE: ntoskrnl/hal/x86/beep.c
* PURPOSE: Speaker function (it's only one)
* PROGRAMMER: Eric Kohl
* UPDATE HISTORY:
* Created 31/01/99
*/
/* INCLUDES *****************************************************************/
#include <hal.h>
#define NDEBUG
#include <debug.h>
/* CONSTANTS *****************************************************************/
#define TIMER2 0x42
#define TIMER3 0x43
#define PORT_B 0x61
#define CLOCKFREQ 1193167
/* FUNCTIONS *****************************************************************/
/*
* FUNCTION: Beeps the speaker.
* ARGUMENTS:
* Frequency = If 0, the speaker will be switched off, otherwise
* the speaker beeps with the specified frequency.
*/
BOOLEAN
NTAPI
HalMakeBeep (
ULONG Frequency
)
{
return TRUE;
}