4 * Beep device IOCTL interface
6 * This file is part of the MinGW package.
9 * Created by Casper S. Hornstrup <chorns@users.sourceforge.net>
11 * THIS SOFTWARE IS NOT COPYRIGHTED
13 * This source code is offered for use in the public domain. You may
14 * use, modify or distribute it freely.
16 * This code is distributed in the hope that it will be useful but
17 * WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
18 * DISCLAMED. This includes but is not limited to warranties of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
27 #pragma GCC system_header
35 #define IOCTL_BEEP_SET \
36 CTL_CODE(FILE_DEVICE_BEEP,0,METHOD_BUFFERED,FILE_ANY_ACCESS)
38 typedef struct tagBEEP_SET_PARAMETERS
{
41 } BEEP_SET_PARAMETERS
, *PBEEP_SET_PARAMETERS
;
43 #define BEEP_FREQUENCY_MINIMUM 0x25
44 #define BEEP_FREQUENCY_MAXIMUM 0x7FFF
50 #endif /* __NTDDBEEP_H */