cstimer.c

EP9315开发板的Wince6.0的BSP包文件

//**********************************************************************
//                                                                      
// Filename: cstimer.c
//                                                                      
// Description: 
//
// 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.
//
// Use of this source code is subject to the terms of the Cirrus 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 
// EULA.RTF on your install media.
//
// Copyright(c) Cirrus Logic Corporation 2005, All Rights Reserved                       
//                                                                      
//**********************************************************************



#include "ndis4cs8950.h"



WORD  VominiStartup(PVOMINIPDATA pOSD, NDIS_HANDLE MiniportAdapterHandle )
{
   WORD Result = NDIS_STATUS_SUCCESS;
   WORD i;

      NdisZeroMemory(pOSD, sizeof(VOMINIPDATA));
      for (i=0; i<MAX_TIMERS; i++) {

         pOSD->Timers[i].TimerActive = FALSE;
         pOSD->Timers[i].TimerID = i;

         NdisMInitializeTimer(
            &pOSD->Timers[i].TimerHandle,
            MiniportAdapterHandle,
            VominiTimerDaemon,
            &pOSD->Timers[i]
            );

      } /* endfor */
   return Result;
};

void  VominiShutdown( PVOID pOSD )
{
   WORD i;
   BOOLEAN Cancelled;

   for (i=0; i<MAX_TIMERS; i++) {
      if (((PVOMINIPDATA)pOSD)->Timers[i].TimerActive) {
         NdisMCancelTimer( &(((PVOMINIPDATA)pOSD)->Timers[i].TimerHandle),
                           &Cancelled );
      } /* endif */
   } /* endfor */

};

DWORD  VominiStartTimer( PCHIP pChip, TIMER_EVENT_HANDLER pEventHandler,
           DWORD mSecondDuration, PWORD pTimerID, PVOID pParm )
{
   DWORD Result = NDIS_STATUS_SUCCESS;
   WORD i;

   PVPMINIPDATA pvMini_Context = (PVPMINIPDATA)(pChip->pPSD); 
   NDIS_HANDLE MiniportAdapterHandle = pvMini_Context->vpMiniportAdapterHandle; 
   PVOMINIPDATA pOSD = pChip->pOSD;

   for (i=0; i<MAX_TIMERS; i++) {
      if (pOSD->Timers[i].TimerActive == FALSE) {
         break;
      } /* endif */
   } /* endfor */

   if (i < MAX_TIMERS) {
      *pTimerID = i;
      pOSD->Timers[i].pChip = pChip;
      pOSD->Timers[i].pParm = pParm;
      pOSD->Timers[i].TimerActive = TRUE;
      pOSD->Timers[i].TimerRoutine = pEventHandler;
      NdisMSetTimer( &(pOSD->Timers[i].TimerHandle), mSecondDuration );
   } else {
      Result = NDIS_STATUS_FAILURE;
   } /* endif */

   return Result;

};

void  VominiStopTimer( PCHIP pChip, WORD TimerID )
{
   BOOLEAN Cancelled;

   PVPMINIPDATA pvMini_Context = (PVPMINIPDATA)(pChip->pPSD); 
   NDIS_HANDLE MiniportAdapterHandle = pvMini_Context->vpMiniportAdapterHandle; 
   PVOMINIPDATA pOSD = pChip->pOSD;

   NdisMCancelTimer( &(pOSD->Timers[TimerID].TimerHandle), &Cancelled );
   pOSD->Timers[TimerID].TimerActive = FALSE;

};

VOID
VominiTimerDaemon(
   IN PVOID SystemSpecific1,
   IN PVOID Context,
   IN PVOID SystemSpecific2,
   IN PVOID SystemSpecific3
   )

{
   PVOMINITIMER pTimer = (PVOMINITIMER)Context;
   pTimer->TimerActive = FALSE;
   pTimer->TimerRoutine( pTimer->pChip, pTimer->TimerID, pTimer->pParm );

}

VOID VominiDelay( DWORD mSecondDuration )
{
   DWORD i;
   DWORD uSecondDuration = mSecondDuration*1000;

   for (i=0; i<uSecondDuration/50; i++) {
      NdisStallExecution( (DWORD) (50) );
   } /* endfor */
}