nleddrv.cpp

来自「WinCE 3.0 BSP, 包含Inter SA1110, Intel_815」· C++ 代码 · 共 145 行

/*++
THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
PARTICULAR PURPOSE.
Copyright (c) 1995-1998  Microsoft Corporation

Module Name:

   nleddrv.cpp

Abstract:

Notes:


--*/


#include <windows.h>
#include <nled.h>
#include <led_drvr.h>
#include <types.h>



/*++

     @doc EXTERNAL DRIVERS

     @func     BOOL | NLedDriverGetDeviceInfo | Retrieves information about the notification LED.

     @parm     INT | nInfoId |          Id number of the information to retrieve.

     @parm     PVOID | pOutput |   Buffer to put the information.

     @comm     This is the function interface to the driver..

     @xref
--*/
BOOL
WINAPI
NLedDriverGetDeviceInfo(
     INT       nInfoId,
     PVOID     pOutput
     )
{
     if ( nInfoId == NLED_COUNT_INFO_ID )
          {
          struct NLED_COUNT_INFO   *p = (struct NLED_COUNT_INFO*)pOutput;

          p -> cLeds = 0;
          return TRUE;
          }

     SetLastError(ERROR_GEN_FAILURE);
     return FALSE;
}


/*++

     @doc EXTERNAL DRIVERS

     @func     BOOL | NLedDriverSetDevice | Changes setting of the notification LED.

     @parm     INT  | nInfoId |         Id number of the setting.

     @parm     PVOID | pInput |    Buffer which has the new settings.

     @comm     This is the function interface to the driver..

     @xref
--*/
BOOL
WINAPI
NLedDriverSetDevice(
     INT       nInfoId,
     PVOID     pInput
     )
{
     SetLastError(ERROR_GEN_FAILURE);
     return FALSE;
}


/*++

     @doc     EXTERNAL DRIVERS

     @func    VOID | NLedDriverPowerDown | Power up/down notification to the LED device(s).

     @parm    BOOL | power_down | TRUE = Power down, FALSE = power up.

--*/
VOID WINAPI
NLedDriverPowerDown(
   BOOL power_down
   )
{
     return;
}




BOOL WINAPI
NLedDriverInitialize(
     VOID
     )
{
     return TRUE;
}


/*++

     @doc     EXTERNAL DRIVERS

     @func    BOOL |  NLedDriverDllEntry | This is the entry/exit point for the dll.

     @parm    HANDLE | hinstDll    | Instance handle of the Dll.

     @parm    DWORD  | fdwReason   | The reason why the function was called.

     @parm    LPVOID | lpvReserved | Reserved, not used.

     @rdesc   If the function was successful TRUE is returned; otherwise, FALSE.

--*/
BOOL 
NLedDriverDllEntry(
   HANDLE hinstDll, 
   DWORD fdwReason, 
   LPVOID lpvReserved
   )
{
     return TRUE;
}