1 /*

     2 * Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  

    15 * System Includes

    16 *

    17 */

    18 

    19 

    20 

    21 #include <assert.h>

    22 #include <string.h>

    23 

    24 /**********************************************************************************************

    25  *

    26  * Local Includes

    27  *

    28  *********************************************************************************************/

    29 #include "CFrameBuffer.h"

    30 

    31 /**********************************************************************************************

    32  *

    33  * Defines

    34  *

    35  *********************************************************************************************/

    36 

    37 /**********************************************************************************************

    38  *

    39  * Static Method

    40  *

    41  *********************************************************************************************/

    42 TFBError CFrameBuffer::createSendBuffer(int aUID, TPCommand aSendCommand, int aDataLength, char* aData, char* aFrame, int* aFrameSize)

    43 {

    44 	int totalFrameSize, i, data_base_index;

    45 	TPHeader *header;

    46 

    47 	// Check params

    48 	assert ( aData != NULL);

    49 	assert ( aFrame != NULL);

    50 	assert ( aFrameSize != NULL);

    51 

    52 	// Calculate the size of the resultant frame buffer

    53 	totalFrameSize = ( sizeof(TPHeader) + aDataLength);

    54 

    55 	// Check that the frame data will fit into the allocated frame size 

    56 	if ( totalFrameSize > *aFrameSize )

    57 	{

    58 		return TFB_BUFFERTOOSMALL;

    59 	}

    60 

    61 	header = (TPHeader*)aFrame;

    62 

    63 	// Now create the packet											

    64 	header->iUid = aUID;					// Add the UID

    65 	header->iCmdID = aSendCommand;			// Add the command id

    66 	header->iDataLen = aDataLength;			// Add the length

    67 

    68 	for( i = 0, data_base_index = sizeof(TPHeader); i < aDataLength; i++ ) 

    69 	{

    70 		aFrame[data_base_index + i] = aData[i];

    71 	}

    72 

    73 	// Set the final frame size to the actual size of the frame we have created.

    74 	*aFrameSize = totalFrameSize;

    75 

    76 	return TFB_SUCCESS;

    77 }

    78