storage.c

凌阳MP3 spSPCA755yuanma

/*++

Copyright (c) 2001 Sunplus Technology Co., Ltd.

Module Name:

        storage.c

Abstract:

        Module related to general storage media

Environment:

        Keil C51 Compiler

Revision History:

        08/28/2001      Chi-Yeh Tsai    created

--*/

// WWW3, whole file

//=============================================================================
//Header file
//=============================================================================
// WWW1 start
#include "general.h"
#include "storage.h"
#include "main.h"
#include "setmode.h"
#include "cardlink.h"

#if ((USBMSDC_OPTION == 1) || (USBMSDC_OPTION == 2))
#include "scsistr.h"
#endif

// WWW1 end

//=============================================================================
//Symbol
//=============================================================================
//-----------------------------------------------------------------------------
//Constant
//-----------------------------------------------------------------------------

//-----------------------------------------------------------------------------
//Variable
//-----------------------------------------------------------------------------

//=============================================================================
//Program
//=============================================================================
//-----------------------------------------------------------------------------
//STORAGE_Initialize
//-----------------------------------------------------------------------------
UCHAR STORAGE_Initialize(UCHAR doDOSInitial) USING_0
/*++

Routine Description:

        general routine to initialize storage media

Arguments:

        none

Return Value:

        none

--*/
{
        UCHAR sts = TRUE;

//		DbgPrint("STORAGE INITIAL :: G_ucStorageType=%bx\n",G_ucStorageType);

        if (G_ucStorageType == 0xff)    //first time initialization
		{
//			DbgPrint(" Initial Storage Detect #1 .... \n");	
                sts = STORAGE_Detect();
//			DbgPrint(" Initial Storage Detect #2 .... \n");	
		}
//        switch (G_ucStorageType)
//        {
//#if (CARD_OPTION == 1)
//		default:
			if (sts)
               {
//					DbgPrint("Chamber sts before Card Initial=%bx\n",sts);
               		sts = M_Card_Initialize(doDOSInitial);
//					DbgPrint("Chamber sts after Card Initial=%bx\n",sts);
               }
//                        break;
//#endif
                    
//        }
        return sts;
}

//-----------------------------------------------------------------------------
//STORAGE_Detect
//-----------------------------------------------------------------------------
UCHAR STORAGE_Detect(void) USING_0
/*++

Routine Description:

        detect which storage media exists

Arguments:

        none

Return Value:

        none

--*/
{
        UCHAR status = FALSE;

        G_ucStorageType = K_MEDIA_None;

	#if ( CARD_OPTION ) 
//DbgPrint(" Storage Detect  #1 .... \n");	
	status = M_Card_Detect();
//DbgPrint(" Storage Detect #2 .... \n");	
	if ( status == FALSE )
	{
		// WWWW start
		G_Card_Type = K_MEDIA_BUILT_IN; // WWW2
//DbgPrint(" Storage Detect #3 .... \n");	
		status = M_Card_Detect();
//DbgPrint(" Storage Detect #4 .... \n");	
		if ( status == FALSE )
			G_ucStorageType = K_MEDIA_None;
		else
			G_ucStorageType = G_Card_Type;
		// WWWW end
	}
	else
		G_ucStorageType = G_Card_Type;
	#endif
	
	return status;
	
}

//-----------------------------------------------------------------------------
//STORAGE_Format
//-----------------------------------------------------------------------------
//patch3.2@ada@0401 For Date & Time Update
//patch3.2@ada@0401 For Multi-Frame Play Back
UCHAR STORAGE_Format(UCHAR eraseCard) USING_0
/*++

Routine Description:

        format media currently selected

Arguments:

        none

Return Value:

        none

--*/
{
        UCHAR    sts = TRUE;

/*        switch (G_ucStorageType)
        {

#if (SDRAM_OPTION == 1)
                case K_MEDIA_None:
                        SDRAM_Format();
                        break;
#endif

                default:
#if (CARD_OPTION == 1)
*/
                         //ada@0401 For Multi-Frame Play Back
                         //Clear the area where saving the start-cluster parameter of each image file
//                         USR_ResetDramFdbParameterArea();

          			sts = DOS_Format(eraseCard);
/*
#endif
                        break;
        }
*/
        return sts;
}