/*

 * timerclient.cpp

 *

 * Copyright(c) 1998 - 2010 Texas Instruments. All rights reserved.      

 * All rights reserved.      

 * 

 * This program and the accompanying materials are made available under the 

 * terms of the Eclipse Public License v1.0 or BSD License which accompanies

 * this distribution. The Eclipse Public License is available at

 * http://www.eclipse.org/legal/epl-v10.html and the BSD License is as below.                                   

 *                                                                       

 * Redistribution and use in source and binary forms, with or without    

 * modification, are permitted provided that the following conditions    

 * are met:                                                              

 *                                                                       

 *  * Redistributions of source code must retain the above copyright     

 *    notice, this list of conditions and the following disclaimer.      

 *  * Redistributions in binary form must reproduce the above copyright  

 *    notice, this list of conditions and the following disclaimer in    

 *    the documentation and/or other materials provided with the         

 *    distribution.                                                      

 *  * Neither the name Texas Instruments nor the names of its            

 *    contributors may be used to endorse or promote products derived    

 *    from this software without specific prior written permission.      

 *                                                                       

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS   

 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT     

 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 

 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT  

 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 

 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT      

 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 

 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 

 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT   

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 

 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 */

#include "TIWhaDef.h"

#include "wlantimer.h"

#include "timerclient.h"

#define __FILE_ID__								FILE_ID_139

/* Make sure that while converting Ms to Us we are not exceeding max value of TInt */

#define MAX_US_TIMEOUT (0x7FFFFFFF)

#define MAX_MS_TIMEOUT (MAX_US_TIMEOUT / 1000)

/** 

 * \fn     TimerClient

 * \brief  Constructor

 * 

 * Create a new timer object, icluding creating a timer in OSA

 * 

 * \param  hOs - The OS handle

 */ 

TimerClient::TimerClient (void* hOs, fTimerFunction pRoutine, TI_HANDLE hFuncHandle) :

    iWlanOSA (GET_OSA(hOs)),

    iWlanTimer (iWlanOSA->TimerCreate()),

    fCb(pRoutine),

    hCtx(hFuncHandle)

{}

/** 

 * \fn     ~TimerClient

 * \brief  Destructor

 * 

 * Destroy Timer

 * 

 * \param  

 */ 

TimerClient::~TimerClient()

{

    if (iWlanTimer && iWlanOSA) 

    {

       iWlanOSA->TimerDestroy(iWlanTimer);

    }

}

/** 

 * \fn     OnTimeout

 * \brief  On Timer expiry

 * 

 * Call the registered call back in TWD (timer.c)

 * 

 * \param  aCtx - not used

 */ 

void TimerClient::OnTimeout(TInt aCtx)

{

    fCb(hCtx);

}

/** 

 * \fn     Start

 * \brief  start timer

 * 

 * Save parameters and start timer in OSA

 * 

 */ 

void   TimerClient::Start(TI_UINT32 uIntervalMsec)

{

    /* Make sure we are not exceeding the maximum value of TInt. */

    TInt iIntervalUsec = (uIntervalMsec > MAX_MS_TIMEOUT) ? (MAX_US_TIMEOUT) : (uIntervalMsec * 1000);

	if (iIntervalUsec == 0) 

	{

		/* we will mark it as 1us to avoid errors. This is actually used to schedule context switch */

		iIntervalUsec = 1;

	}

    /* Wlan Timer expects microseconds */

    iWlanTimer->Enqueue(*this, 0, iIntervalUsec, TI_FALSE);

}

/** 

 * \fn     Stop

 * \brief  stop timer

 * 

 * stop timer

 * 

 */ 

void TimerClient::Stop()

{

    iWlanTimer->Dequeue();

}