求教HalMakeBeep如何用,有分相送。

ntddk.h里是这么定义的：
//
// System beep functions.
//
#if !defined(NO_LEGACY_DRIVERS)
NTHALAPI
BOOLEAN
HalMakeBeep(
    IN ULONG Frequency
    );
#endif // NO_LEGACY_DRIVERS
不知道这个HalMakeBeep怎么用,属于undocument的函数.我的开发环境是XPDDK,写的是WDM的driver.

去看undocumented windows 2000 secret 的p403-p404.

去看undocumented windows 2000 secrets 的p403-p404.

感谢并给分。

正在下载那书....

http://www.driverdevelop.com/forum/viewthread.php?tid=28137

HalMakeBeep没信心 !!
这又如何??

#include "ntddbeep.h"

void NTBeep()
{

BEEP_SET_PARAMETERS par;
NTSTATUS status;
IO_STATUS_BLOCK iosb;
UNICODE_STRING beepDev;
OBJECT_ATTRIBUTES objAttrib;
HANDLE bfile;

par.Frequency = 800;
par.Duration = 100;

    
    RtlInitUnicodeString(&beepDev, DD_BEEP_DEVICE_NAME_U);
    InitializeObjectAttributes(&objAttrib,
     &beepDev,
OBJ_CASE_INSENSITIVE,
                               NULL,
                               NULL);


    status = ZwCreateFile(&bfile, GENERIC_WRITE, &objAttrib, &iosb,
                          NULL, 0, FILE_SHARE_READ|FILE_SHARE_WRITE,
                          FILE_OPEN, 0, NULL, 0);


    status = ZwDeviceIoControlFile(bfile, 0, 0, 0, &iosb,
                                   IOCTL_BEEP_SET, &par, sizeof par,
                                   0, 0);
if (status == STATUS_PENDING)
    status = iosb.Status;
    DbgPrint("NTBeep success !  \n");

}

HalMakeBeep没信心 !!
这又如何??

#include "ntddbeep.h"

void NTBeep()
{

BEEP_SET_PARAMETERS par;
NTSTATUS status;
IO_STATUS_BLOCK iosb;
UNICODE_STRING beepDev;
OBJECT_ATTRIBUTES objAttrib;
HANDLE bfile;

par.Frequency = 800;
par.Duration = 100;

    
    RtlInitUnicodeString(&beepDev, DD_BEEP_DEVICE_NAME_U);
    InitializeObjectAttributes(&objAttrib,
     &beepDev,
OBJ_CASE_INSENSITIVE,
                               NULL,
                               NULL);


    status = ZwCreateFile(&bfile, GENERIC_WRITE, &objAttrib, &iosb,
                          NULL, 0, FILE_SHARE_READ|FILE_SHARE_WRITE,
                          FILE_OPEN, 0, NULL, 0);


    status = ZwDeviceIoControlFile(bfile, 0, 0, 0, &iosb,
                                   IOCTL_BEEP_SET, &par, sizeof par,
                                   0, 0);
if (status == STATUS_PENDING)
    status = iosb.Status;
    DbgPrint("NTBeep success !  n");

}

感激至死....

昨天我研究了一下,哥们出的招很到位,一直只是认为小小的BEEP函数到了driver里面还要如此费劲才能搞定有点不值当,但用户逼得紧迫来不及等待了, 我发现这个

 status = ZwDeviceIoControlFile(bfile, 0, 0, 0, &iosb,IOCTL_BEEP_SET, &par, sizeof par,0, 0);

无法找到声明,后来我用了Walter Oney Chapter 5
The I/O Request Packet里的Summary―Eight IRP-Handling Scenarios第6个场景Scenario 6―Your Own Synchronous IRP

SOMETYPE SomeFunction(PDEVICE_EXTENSION pdx,
  PDEVICE_OBJECT DeviceObject)
  {
  NTSTATUS status = IoAcquireRemoveLock(&pdx->RemoveLock,
    (PVOID) 42);
  if (!NT_SUCCESS(status))
    return <status>;
  PIRP Irp;
  Irp = IoBuildAsynchronousFsdRequest(IRP_MJ_XXX, DeviceObject,
    ...);
    -or-
  Irp = IoAllocateIrp(DeviceObject->StackSize, FALSE);
  PIO_STACK_LOCATION stack = IoGetNextIrpStackLocation(Irp);
  stack->MajorFunction = IRP_MJ_XXX;
  <additional initialization)
  IoSetCompletionRoutine[Ex]([pdx->DeviceObject,] Irp,
    (PIO_COMPLETION_ROUTINE) CompletionRoutine, pdx,
    TRUE, TRUE, TRUE);
  ObReferenceObject(DeviceObject);
  IoCallDriver(DeviceObject, Irp);
  ObDereferenceObject(DeviceObject);
  }

NTSTATUS CompletionRoutine(PDEVICE_OBJECT junk, PIRP Irp,
  PDEVICE_EXTENSION pdx)
  {
  <IRP cleanup -- see below>
  IoFreeIrp(Irp);
  IoReleaseRemoveLock(&pdx->RemoveLock, (PVOID) 42);
  return STATUS_MORE_PROCESSING_REQUIRED;
  }

只可惜我电脑的speaker有problem,但没有BSOD过,我想问题应该不大,等用户试了再说.

大虾不愧是月专家分TOP10,表示感谢.

只可惜我电脑的speaker有problem,但没有BSOD过,我想问题应该不大,等用户试了再说.

本周三去用户处测试,BEEP真是满天飞.

对KMK专家再表感谢!