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* Create a branch for USB experiments.

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svn path=/branches/usb-experiments/; revision=72629
This commit is contained in:
Amine Khaldi 2016-09-09 15:11:19 +00:00
parent 28d8ba0d3e
commit 0ee830d7a4
23049 changed files with 0 additions and 1313991 deletions
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43
sdk/include/psdk/ntddbeep.h Normal file
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/*
* 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