mirror of
https://github.com/reactos/reactos.git
synced 2024-11-18 21:13:52 +00:00
43 lines
1 KiB
C
43 lines
1 KiB
C
/*
|
|
* ntddbeep.h
|
|
*
|
|
* Contributors:
|
|
* Created by Casper S. Hornstrup <chorns@users.sourceforge.net>
|
|
*
|
|
* THIS SOFTWARE IS NOT COPYRIGHTED
|
|
*
|
|
* This source code is offered for use in the public domain. You may
|
|
* use, modify or distribute it freely.
|
|
*
|
|
* This code is distributed in the hope that it will be useful but
|
|
* WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
|
|
* DISCLAIMED. This includes but is not limited to warranties of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
*
|
|
*/
|
|
|
|
#ifndef _NTDDBEEP_
|
|
#define _NTDDBEEP_
|
|
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#define DD_BEEP_DEVICE_NAME "\\Device\\Beep"
|
|
#define DD_BEEP_DEVICE_NAME_U L"\\Device\\Beep"
|
|
#define BEEP_FREQUENCY_MINIMUM 0x25
|
|
#define BEEP_FREQUENCY_MAXIMUM 0x7FFF
|
|
#define IOCTL_BEEP_SET CTL_CODE(FILE_DEVICE_BEEP, 0, METHOD_BUFFERED, FILE_ANY_ACCESS)
|
|
|
|
typedef struct _BEEP_SET_PARAMETERS
|
|
{
|
|
ULONG Frequency;
|
|
ULONG Duration;
|
|
} BEEP_SET_PARAMETERS, *PBEEP_SET_PARAMETERS;
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
#endif
|
|
|