60 lines
1.3 KiB
C
60 lines
1.3 KiB
C
/*
|
|
* ntddbeep.h
|
|
*
|
|
* Beep device IOCTL interface
|
|
*
|
|
* This file is part of the MinGW package.
|
|
*
|
|
* 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
|
|
* DISCLAMED. This includes but is not limited to warranties of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
*
|
|
*/
|
|
|
|
#ifndef __NTDDBEEP_H
|
|
#define __NTDDBEEP_H
|
|
|
|
#if __GNUC__ >=3
|
|
#pragma GCC system_header
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#pragma pack(push,4)
|
|
|
|
#include "ntddk.h"
|
|
|
|
|
|
#define DD_BEEP_DEVICE_NAME "\\Device\\Beep"
|
|
#define DD_BEEP_DEVICE_NAME_U L"\\Device\\Beep"
|
|
|
|
#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;
|
|
|
|
#define BEEP_FREQUENCY_MINIMUM 0x25
|
|
#define BEEP_FREQUENCY_MAXIMUM 0x7FFF
|
|
|
|
#pragma pack(pop)
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* __NTDDBEEP_H */
|