nleddrv.cpp
资源名称:SMDK2440.rar [点击查看]
上传用户:qiulin1960
上传日期:2013-10-16
资源大小:2844k
文件大小:3k
源码类别:
Windows CE
开发平台:
Windows_Unix
- //
- // Copyright (c) Microsoft Corporation. All rights reserved.
- //
- //
- // Use of this source code is subject to the terms of the Microsoft end-user
- // license agreement (EULA) under which you licensed this SOFTWARE PRODUCT.
- // If you did not accept the terms of the EULA, you are not authorized to use
- // this source code. For a copy of the EULA, please see the LICENSE.RTF on your
- // install media.
- //
- /*++
- 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.
- Module Name:
- Abstract:
- Provides control of the notification LED.
- Functions:
- Notes:
- --*/
- #include <windows.h>
- #include <nled.h>
- #include <led_drvr.h>
- #include <types.h>
- /*
- PeRP HAS NO LED's so this module is easy...
- */
- /*++
- @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
- NLedDriverPowerDown(
- BOOL power_down
- )
- {
- return;
- }
- BOOL
- 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;
- }