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OS/2 Shareware BBS: 10 Tools
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10-Tools.zip
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ddkx86v1.zip
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DDKX86
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BEEP.H
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1995-04-14
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2KB
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47 lines
/*DDK*************************************************************************/
/* */
/* COPYRIGHT (C) Microsoft Corporation, 1989 */
/* COPYRIGHT Copyright (C) 1995 IBM Corporation */
/* */
/* The following IBM OS/2 WARP source code is provided to you solely for */
/* the purpose of assisting you in your development of OS/2 WARP device */
/* drivers. You may use this code in accordance with the IBM License */
/* Agreement provided in the IBM Device Driver Source Kit for OS/2. This */
/* Copyright statement may not be removed. */
/* */
/*****************************************************************************/
/*** beep.h
*
* SCCSID = @(#)beep.h 6.2 91/02/18
*
* Timer Beep Service Public Constants and Prototypes
*
* MODIFICATION HISTORY
* 01/03/89 MTS Created.
*/
/****************************************************************************/
/* */
/* */
/* */
/****************************************************************************/
// Beep Services
#define BEEP_OFF 0
#define BEEP_TIMED 1
// Beep Public Constants
#define DOSBEEP_FREQLO 0x0025 //DosBeep low freq. limit (37 Hz)
#define DOSBEEP_FREQHI 0x7fff //DosBeep high freq. limit (32767 Hz)
//c-begin
/*** exported functions
*/
ULONG w_Beep(ULONG, ULONG);
ULONG BeepVDM(ULONG, ULONG);
ULONG BeepPreempt(ULONG, ULONG, ULONG);
//c-end