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/* |
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* ntddbeep.h |
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* |
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* Beep device IOCTL interface |
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* |
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* This file is part of the w32api package. |
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* |
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* Contributors: |
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* Created by Casper S. Hornstrup <chorns@users.sourceforge.net> |
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* |
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* THIS SOFTWARE IS NOT COPYRIGHTED |
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* |
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* This source code is offered for use in the public domain. You may |
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* use, modify or distribute it freely. |
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* |
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* This code is distributed in the hope that it will be useful but |
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* WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY |
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* DISCLAIMED. This includes but is not limited to warranties of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
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* |
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*/ |
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|
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#ifndef __NTDDBEEP_H |
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#define __NTDDBEEP_H |
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|
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#if __GNUC__ >=3 |
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#pragma GCC system_header |
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#endif |
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|
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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|
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#include "ntddk.h" |
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|
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#define DD_BEEP_DEVICE_NAME "\\Device\\Beep" |
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#define DD_BEEP_DEVICE_NAME_U L"\\Device\\Beep" |
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|
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#define IOCTL_BEEP_SET \ |
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CTL_CODE(FILE_DEVICE_BEEP, 0, METHOD_BUFFERED, FILE_ANY_ACCESS) |
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|
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typedef struct _BEEP_SET_PARAMETERS { |
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ULONG Frequency; |
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ULONG Duration; |
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} BEEP_SET_PARAMETERS, *PBEEP_SET_PARAMETERS; |
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|
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#define BEEP_FREQUENCY_MINIMUM 0x25 |
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#define BEEP_FREQUENCY_MAXIMUM 0x7FFF |
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|
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#ifdef __cplusplus |
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} |
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#endif |
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|
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#endif /* __NTDDBEEP_H */ |
