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