--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/kerneltest/e32test/lffs/tf_dump.cpp	Thu Dec 17 09:24:54 2009 +0200
@@ -0,0 +1,185 @@
+// Copyright (c) 2001-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of the License "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// Simple app to dump out the contents of a drive
+// 
+//
+
+#include <e32std.h>
+#include <e32std_private.h>
+#include <e32svr.h>
+#include <e32test.h>
+#include "user_config.h"
+
+RTest test( _L("TF_DUMP") );
+
+
+const TInt KBytesPerLine = 32;
+
+
+class CDumper : public CBase
+	{
+	public:
+		~CDumper();
+
+		void CreateL();
+		void DoDump();
+
+	private:
+		void Add3Bytes( const TUint8* aBytes );
+
+	private:
+		TBusLocalDrive	iDrive;
+		TBool			iDriveOpened;
+		TBool			iDriveSize;
+
+		TBuf<KBytesPerLine>	iLineBuf;
+	};
+
+
+CDumper::~CDumper()
+	{
+	if( iDriveOpened )
+		{
+		iDrive.Disconnect();
+		}
+	}
+
+
+
+void CDumper::CreateL()
+	{
+	//
+	// Load the device driver
+	//
+#ifdef UNMOUNT_DRIVE
+	RFs fs;
+	test( KErrNone == fs.Connect() );
+#if 0
+	// XXX not EKA2
+	test( KErrNone == fs.SetDefaultPath( _L("Z:\\") ) );
+#endif
+	TFullName name;
+	fs.FileSystemName( name, KLffsLogicalDriveNumber );
+	if( name.Length() > 0 )
+		{
+		test.Printf( _L("Unmounting drive") );
+		test( KErrNone == fs.DismountFileSystem( _L("Lffs"), KLffsLogicalDriveNumber) );
+		User::After( 2000000 );
+		test.Printf( _L("Drive unmounted") );
+		}
+	fs.Close();
+#endif
+
+	//
+	// Open a TBusLogicalDevice to it
+	//
+	test.Printf( _L("Opening media channel") );
+	TBool changedFlag = EFalse;
+	User::LeaveIfError( iDrive.Connect( KDriveNumber, changedFlag ) );
+	iDriveOpened = ETrue;
+
+	//
+	// Get size of Flash drive
+	//
+	TLocalDriveCapsV2Buf info;
+    iDrive.Caps(info);
+	iDriveSize = I64LOW(info().iSize);
+
+
+	iLineBuf.Zero();
+	test.Printf( _L("Drive size is 0x%x bytes"), iDriveSize );
+	}
+
+
+void CDumper::Add3Bytes( const TUint8* aBytes )
+	{
+	TUint8	buf[4];		// produces four output bytes
+
+	buf[0] = 0x30 + (aBytes[0] >> 2);	// first 6 bits
+	buf[1] = 0x30 + ( ((aBytes[0] << 4)&0x30) | (aBytes[1] >> 4));
+	buf[2] = 0x30 + ( ((aBytes[1] << 2)&0x3C) | (aBytes[2] >> 6));
+	buf[3] = 0x30 + (aBytes[2] & 0x3F);	// last 6 bits
+
+	TInt avail = iLineBuf.MaxLength() - iLineBuf.Length();
+	if( avail > 4 )
+		{
+		avail = 4;
+		}
+
+	TUint8* p = &buf[0];
+	for( TInt i = 0; i < avail; i++ )
+		{
+		iLineBuf.Append( *p++ );
+		}
+	if( avail < 4 )
+		{
+		test.Printf( iLineBuf );
+		iLineBuf.Zero();
+		for( TInt i = 4 - avail; i > 0; i-- )
+			{
+			iLineBuf.Append( *p++ );
+			}
+		}
+	}
+
+
+
+void CDumper::DoDump()
+	{
+	TBuf8<300> buf;
+
+	TInt remain = iDriveSize;
+	TInt64 offset = 0;
+	while( remain > 0 )
+		{
+		TInt readLen = Min( remain, 300 );
+		TInt r = iDrive.Read( offset, readLen, buf );
+		if( KErrNone != r )
+			{
+			RDebug::Print( _L("Error: drive read failed %d"), r );
+			return;
+			}
+		TUint8* p = (TUint8*)buf.Ptr();
+		TInt remainder = readLen % 3;
+		if( remainder != 0 )
+			{
+			// leftover bytes, must be end of media, pad buffer
+			buf.AppendFill( 0x0, 3 - remainder );
+			readLen += 3 - remainder;	// round up
+			}
+		for( TInt i = readLen / 3; i > 0; i-- )
+			{
+			Add3Bytes( p );
+			p += 3;
+			}
+		offset += readLen;
+		remain -= readLen;
+		}
+	test.Printf( iLineBuf );	// remaining bit
+	}
+
+
+TInt E32Main()
+	{
+	test.Title();
+	test.Start(_L("Dumping Flash contents...."));
+
+	CDumper dumper;
+	TRAPD( ret, dumper.CreateL() );
+	if( KErrNone == ret )
+		{
+		dumper.DoDump();
+		}
+	return KErrNone;
+	}