sl@0: // Copyright (c) 2001-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of the License "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // Simple app to dump out the contents of a drive
sl@0: // 
sl@0: //
sl@0: 
sl@0: #include <e32std.h>
sl@0: #include <e32std_private.h>
sl@0: #include <e32svr.h>
sl@0: #include <e32test.h>
sl@0: #include "user_config.h"
sl@0: 
sl@0: RTest test( _L("TF_DUMP") );
sl@0: 
sl@0: 
sl@0: const TInt KBytesPerLine = 32;
sl@0: 
sl@0: 
sl@0: class CDumper : public CBase
sl@0: 	{
sl@0: 	public:
sl@0: 		~CDumper();
sl@0: 
sl@0: 		void CreateL();
sl@0: 		void DoDump();
sl@0: 
sl@0: 	private:
sl@0: 		void Add3Bytes( const TUint8* aBytes );
sl@0: 
sl@0: 	private:
sl@0: 		TBusLocalDrive	iDrive;
sl@0: 		TBool			iDriveOpened;
sl@0: 		TBool			iDriveSize;
sl@0: 
sl@0: 		TBuf<KBytesPerLine>	iLineBuf;
sl@0: 	};
sl@0: 
sl@0: 
sl@0: CDumper::~CDumper()
sl@0: 	{
sl@0: 	if( iDriveOpened )
sl@0: 		{
sl@0: 		iDrive.Disconnect();
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: 
sl@0: 
sl@0: void CDumper::CreateL()
sl@0: 	{
sl@0: 	//
sl@0: 	// Load the device driver
sl@0: 	//
sl@0: #ifdef UNMOUNT_DRIVE
sl@0: 	RFs fs;
sl@0: 	test( KErrNone == fs.Connect() );
sl@0: #if 0
sl@0: 	// XXX not EKA2
sl@0: 	test( KErrNone == fs.SetDefaultPath( _L("Z:\\") ) );
sl@0: #endif
sl@0: 	TFullName name;
sl@0: 	fs.FileSystemName( name, KLffsLogicalDriveNumber );
sl@0: 	if( name.Length() > 0 )
sl@0: 		{
sl@0: 		test.Printf( _L("Unmounting drive") );
sl@0: 		test( KErrNone == fs.DismountFileSystem( _L("Lffs"), KLffsLogicalDriveNumber) );
sl@0: 		User::After( 2000000 );
sl@0: 		test.Printf( _L("Drive unmounted") );
sl@0: 		}
sl@0: 	fs.Close();
sl@0: #endif
sl@0: 
sl@0: 	//
sl@0: 	// Open a TBusLogicalDevice to it
sl@0: 	//
sl@0: 	test.Printf( _L("Opening media channel") );
sl@0: 	TBool changedFlag = EFalse;
sl@0: 	User::LeaveIfError( iDrive.Connect( KDriveNumber, changedFlag ) );
sl@0: 	iDriveOpened = ETrue;
sl@0: 
sl@0: 	//
sl@0: 	// Get size of Flash drive
sl@0: 	//
sl@0: 	TLocalDriveCapsV2Buf info;
sl@0:     iDrive.Caps(info);
sl@0: 	iDriveSize = I64LOW(info().iSize);
sl@0: 
sl@0: 
sl@0: 	iLineBuf.Zero();
sl@0: 	test.Printf( _L("Drive size is 0x%x bytes"), iDriveSize );
sl@0: 	}
sl@0: 
sl@0: 
sl@0: void CDumper::Add3Bytes( const TUint8* aBytes )
sl@0: 	{
sl@0: 	TUint8	buf[4];		// produces four output bytes
sl@0: 
sl@0: 	buf[0] = 0x30 + (aBytes[0] >> 2);	// first 6 bits
sl@0: 	buf[1] = 0x30 + ( ((aBytes[0] << 4)&0x30) | (aBytes[1] >> 4));
sl@0: 	buf[2] = 0x30 + ( ((aBytes[1] << 2)&0x3C) | (aBytes[2] >> 6));
sl@0: 	buf[3] = 0x30 + (aBytes[2] & 0x3F);	// last 6 bits
sl@0: 
sl@0: 	TInt avail = iLineBuf.MaxLength() - iLineBuf.Length();
sl@0: 	if( avail > 4 )
sl@0: 		{
sl@0: 		avail = 4;
sl@0: 		}
sl@0: 
sl@0: 	TUint8* p = &buf[0];
sl@0: 	for( TInt i = 0; i < avail; i++ )
sl@0: 		{
sl@0: 		iLineBuf.Append( *p++ );
sl@0: 		}
sl@0: 	if( avail < 4 )
sl@0: 		{
sl@0: 		test.Printf( iLineBuf );
sl@0: 		iLineBuf.Zero();
sl@0: 		for( TInt i = 4 - avail; i > 0; i-- )
sl@0: 			{
sl@0: 			iLineBuf.Append( *p++ );
sl@0: 			}
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: 
sl@0: 
sl@0: void CDumper::DoDump()
sl@0: 	{
sl@0: 	TBuf8<300> buf;
sl@0: 
sl@0: 	TInt remain = iDriveSize;
sl@0: 	TInt64 offset = 0;
sl@0: 	while( remain > 0 )
sl@0: 		{
sl@0: 		TInt readLen = Min( remain, 300 );
sl@0: 		TInt r = iDrive.Read( offset, readLen, buf );
sl@0: 		if( KErrNone != r )
sl@0: 			{
sl@0: 			RDebug::Print( _L("Error: drive read failed %d"), r );
sl@0: 			return;
sl@0: 			}
sl@0: 		TUint8* p = (TUint8*)buf.Ptr();
sl@0: 		TInt remainder = readLen % 3;
sl@0: 		if( remainder != 0 )
sl@0: 			{
sl@0: 			// leftover bytes, must be end of media, pad buffer
sl@0: 			buf.AppendFill( 0x0, 3 - remainder );
sl@0: 			readLen += 3 - remainder;	// round up
sl@0: 			}
sl@0: 		for( TInt i = readLen / 3; i > 0; i-- )
sl@0: 			{
sl@0: 			Add3Bytes( p );
sl@0: 			p += 3;
sl@0: 			}
sl@0: 		offset += readLen;
sl@0: 		remain -= readLen;
sl@0: 		}
sl@0: 	test.Printf( iLineBuf );	// remaining bit
sl@0: 	}
sl@0: 
sl@0: 
sl@0: TInt E32Main()
sl@0: 	{
sl@0: 	test.Title();
sl@0: 	test.Start(_L("Dumping Flash contents...."));
sl@0: 
sl@0: 	CDumper dumper;
sl@0: 	TRAPD( ret, dumper.CreateL() );
sl@0: 	if( KErrNone == ret )
sl@0: 		{
sl@0: 		dumper.DoDump();
sl@0: 		}
sl@0: 	return KErrNone;
sl@0: 	}