diff -r 000000000000 -r bde4ae8d615e os/kernelhwsrv/kerneltest/e32test/device/t_dceutl.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/kernelhwsrv/kerneltest/e32test/device/t_dceutl.cpp	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,670 @@
+// Copyright (c) 1998-2009 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:
+// e32test\device\t_dceutl.cpp
+// 
+//
+
+#include <e32base.h>
+#include <e32base_private.h>
+#include <e32test.h>
+#include <e32cons.h>
+#include <e32svr.h>
+#include <e32hal.h>
+#include <d32comm.h>
+#include <e32uid.h>
+#include <hal.h>
+
+const TInt KDisplayTitleY=0;
+const TInt KDisplayMainY=2;
+const TInt KDisplayTextY=17;
+const TInt KUnit0=0;
+const TInt KUnit1=1;
+const TInt KTestPatternSize=250;
+enum TPanic {ECreatingConsole,ELoadingPDD,ELoadingLDD,ECreatingRComm,EOpeningPort,ESettingPort,ECircBuf,EStraySignal};
+
+#if defined (__WINS__)
+#define PDD_NAME _L("ECDRV.PDD")
+#define LDD_NAME _L("ECOMM.LDD")
+#else
+#define PDD_NAME _L("EUARTn")
+#define LDD_NAME _L("ECOMM")
+#endif
+
+class RComm : public RBusDevComm
+	{
+public:
+	TInt WriteS(const TDesC8& aDes);
+	};
+
+CConsoleBase *TheConsole;
+RComm *TheSerialPort;
+TCommConfig TheConfigBuf;
+TCommConfigV01& TheConfig=TheConfigBuf();
+TBool TheDtrState;
+TBool TheRtsState;
+TBuf8<KTestPatternSize> TheTestBuf;
+
+LOCAL_C void Panic(TPanic aPanic)
+//
+// Panic
+//
+	{
+
+	if (TheSerialPort)
+		TheSerialPort->Close();
+	delete TheSerialPort;
+	delete TheConsole;
+	User::Panic(_L("T_DCEUTL"),aPanic);
+	}
+
+LOCAL_C TPtrC BaudrateText(TBps aBaudrate)
+	{
+	switch(aBaudrate)
+		{
+		case EBps50: 		return(_L("50"));
+		case EBps75: 		return(_L("75"));
+		case EBps110: 		return(_L("110"));
+		case EBps134: 		return(_L("134"));
+		case EBps150: 		return(_L("150"));
+		case EBps300: 		return(_L("300"));
+		case EBps600: 		return(_L("600"));
+		case EBps1200: 		return(_L("1200"));
+		case EBps1800: 		return(_L("1800"));
+		case EBps2000: 		return(_L("2000"));
+		case EBps2400: 		return(_L("2400"));
+		case EBps3600: 		return(_L("3600"));
+		case EBps4800: 		return(_L("4800"));
+		case EBps7200: 		return(_L("7200"));
+		case EBps9600: 		return(_L("9600"));
+		case EBps19200: 	return(_L("19200"));
+		case EBps38400: 	return(_L("38400"));
+		case EBps57600: 	return(_L("57600"));
+		case EBps115200: 	return(_L("115200"));
+		case EBps230400: 	return(_L("230400"));
+		case EBps460800:	return(_L("460800"));
+		case EBps576000:	return(_L("576000"));
+		case EBps1152000: 	return(_L("1152000"));
+		case EBps4000000: 	return(_L("4000000"));
+		case EBpsSpecial: 	return(_L("Special"));
+		default: 			return(_L("Unknown"));
+		}
+	}
+
+LOCAL_C TPtrC DtrText(TBool aDtrState)
+	{
+	if (aDtrState)
+		return(_L("ASSERTED"));
+	else
+		return(_L("NEGATED"));
+	}
+
+LOCAL_C TPtrC RtsText(TBool aRtsState)
+	{
+	if (aRtsState)
+		return(_L("ASSERTED"));
+	else
+		return(_L("NEGATED"));
+	}
+
+TInt RComm::WriteS(const TDesC8& aDes)
+//
+// Syncronous write
+//
+	{
+
+	TRequestStatus s;
+	Write(s,aDes,aDes.Length());
+	User::WaitForRequest(s);
+	return(s.Int());
+	}
+
+LOCAL_C void CenteredPrintf(TInt aLine,TRefByValue<const TDesC> aFmt,...)
+//
+// Print centrally on specified line
+//
+	{
+	VA_LIST list;
+	VA_START(list,aFmt);
+	TBuf<0x100> aBuf;
+	aBuf.AppendFormatList(aFmt,list);
+	TInt xPos = ((TheConsole->ScreenSize().iWidth)-aBuf.Length())/2;
+	if (xPos<0)
+		xPos=0;
+	TheConsole->SetPos(0,aLine);
+	TheConsole->ClearToEndOfLine();
+	TheConsole->SetPos(xPos,aLine);
+	TheConsole->Write(aBuf);
+	}
+
+LOCAL_C void Heading(TRefByValue<const TDesC> aFmt,...)
+//
+// Print a title
+//
+	{
+	VA_LIST list;
+	VA_START(list,aFmt);
+	TBuf<0x100> aBuf;
+	aBuf.AppendFormatList(aFmt,list);
+	CenteredPrintf(KDisplayTitleY,aBuf);
+	}
+
+LOCAL_C void Instructions(TBool topLine,TRefByValue<const TDesC> aFmt,...)
+//
+// Print instructions (dont use top line with hex display).
+//
+	{
+	VA_LIST list;
+	VA_START(list,aFmt);
+	TBuf<0x100> aBuf;
+	aBuf.AppendFormatList(aFmt,list);
+	CenteredPrintf((topLine)?KDisplayTextY-1:KDisplayTextY,aBuf);
+	}
+
+LOCAL_C void StripeMem(TDes8& aBuf,TUint aStartChar,TUint anEndChar)
+//
+// Mark a buffer with repeating byte pattern
+//
+	{
+
+	if (aStartChar==anEndChar)
+		{
+		aBuf.Fill(aStartChar);
+		return;
+		}
+
+	TUint character=aStartChar;
+	for (TInt i=0;i<aBuf.Length();i++)
+		{
+		aBuf[i]=(TText8)character;
+		if(++character>anEndChar)
+			character=aStartChar;
+		}
+	}
+
+#define COLUMN_HEADER _L("            RxBuf            |          Expected       ")
+LOCAL_C void DumpDescriptors(TDes8 &aLeft,TDes8 &aRight)
+//
+//
+//
+	{
+
+	TBuf<80> b;
+	CenteredPrintf(KDisplayMainY+2,_L("Compare failed:"));
+	TInt minLen=Min(aLeft.Length(),aRight.Length());
+	CenteredPrintf(KDisplayMainY+3,COLUMN_HEADER);
+	TInt i=0;
+	TInt j=0;
+	TInt pos=KDisplayMainY+4;
+	while (i<=minLen)
+		{
+		b.Format(_L("%02x: "),i);
+		for (j=0;j<8;j++)
+			{
+			if ((i+j)<minLen)
+				{
+				TInt v=aLeft[i+j];
+				b.AppendFormat(_L("%02x "),v);
+				}
+			else
+				b.Append(_L("   "));
+			}
+		b.Append(_L(" | "));
+		for (j=0;j<8;j++)
+			{
+			if ((i+j)<minLen)
+				{
+				TInt v=aRight[i+j];
+				b.AppendFormat(_L("%02x "),v);
+				}
+			else
+				b.Append(_L("   "));
+			}
+		CenteredPrintf(pos++,b);
+		i+=8;
+		if ((i%64)==0)
+			{
+			pos=KDisplayMainY+4;
+			TheConsole->Getch();
+			}
+		}
+	}
+
+LOCAL_C TInt ChangeBaudrate()
+//
+// Change baudrate
+//
+	{
+
+	CenteredPrintf(KDisplayMainY,_L("Select Baudrate:-"));
+	CenteredPrintf(KDisplayMainY+1,_L("A - 4800  "));
+	CenteredPrintf(KDisplayMainY+2,_L("B - 9600  "));
+	CenteredPrintf(KDisplayMainY+3,_L("C - 19200 "));
+	CenteredPrintf(KDisplayMainY+4,_L("D - 38400 "));
+	CenteredPrintf(KDisplayMainY+5,_L("E - 57600 "));
+	CenteredPrintf(KDisplayMainY+6,_L("F - 115200"));
+	TChar c;
+	do
+		{
+		c=(TUint)TheConsole->Getch();
+		c.UpperCase();
+		}
+	while(c<'A' && c>'F');
+	
+	switch (c)
+		{
+		case 'A': TheConfig.iRate=EBps4800; break;
+		case 'B': TheConfig.iRate=EBps9600; break;
+		case 'C': TheConfig.iRate=EBps19200; break;
+		case 'D': TheConfig.iRate=EBps38400; break;
+		case 'E': TheConfig.iRate=EBps57600; break;
+		case 'F': TheConfig.iRate=EBps115200; break;
+		case 0x1b: return(KErrNone);
+		}
+	TInt r=TheSerialPort->SetConfig(TheConfigBuf);
+	if (r!=KErrNone)
+		{
+		CenteredPrintf(KDisplayMainY+9,_L("Error (%d) changing baudrate"),r);
+		TheConsole->Getch();
+		}
+
+	return(KErrNone);
+	}
+
+LOCAL_C TInt SendHayesCommand()
+//
+// Send short hayes command
+//
+	{
+
+	TInt r=TheSerialPort->WriteS(_L8("AT&f\r"));
+	if (r!=KErrNone)
+		{
+		CenteredPrintf(KDisplayMainY+1,_L("Error (%d) sending data"),r);
+		TheConsole->Getch();
+		}
+	return(KErrNone);
+	}
+
+LOCAL_C TInt SendLongHayesCommand()
+//
+// Send Long hayes command
+//
+	{
+
+	TInt r=TheSerialPort->WriteS(_L8("AT&f&f&f&f&f&f&f\r"));
+	if (r!=KErrNone)
+		{
+		CenteredPrintf(KDisplayMainY+1,_L("Error (%d) sending data"),r);
+		TheConsole->Getch();
+		}
+	return(KErrNone);
+	}
+
+const TInt KBufSize=0x100;
+LOCAL_C TInt Loopback()
+//
+// Loopback data from Rx to Tx
+//
+	{
+
+	CenteredPrintf(KDisplayMainY,_L("Loopback mode"));
+	CenteredPrintf(KDisplayMainY+5,_L("Hit a key abort"));
+	TheSerialPort->ResetBuffers();
+
+	CCirBuffer* cbufPtr=new CCirBuffer;
+	__ASSERT_ALWAYS(cbufPtr!=NULL,Panic(ECircBuf));
+	TRAPD(r,cbufPtr->SetLengthL(KBufSize));
+	__ASSERT_ALWAYS(r==KErrNone,Panic(ECircBuf));
+	TRequestStatus kStat,rStat,tStat = 0;
+
+	TBool TxActive=EFalse;
+	TInt TxCount=0;
+	TUint8 txChar;
+	TPtr8 txPtr(&txChar,1);
+
+	TUint8 rxChar;
+	TPtr8 rxPtr(&rxChar,1);
+	TheSerialPort->Read(rStat,rxPtr,1);
+
+	TheConsole->Read(kStat);
+	FOREVER
+		{
+		User::WaitForAnyRequest();
+		if (rStat!=KRequestPending)
+			{
+			if (rStat.Int()!=KErrNone)
+				{ // Rx error
+				CenteredPrintf(KDisplayMainY+5,_L("Rx error(%d)"),rStat.Int());
+				TheConsole->ReadCancel();
+				User::WaitForRequest(kStat);
+				goto LoopEnd;
+				}
+			cbufPtr->Put((TInt)rxChar);
+			TheSerialPort->Read(rStat,rxPtr,1);
+			if (!TxActive)
+				{
+				txChar=(TUint8)cbufPtr->Get();
+				TheSerialPort->Write(tStat,txPtr,1);
+				TxActive=ETrue;
+				}
+			}
+		else if (TxActive && tStat!=KRequestPending)
+			{
+			if (tStat.Int()!=KErrNone)
+				{ // Tx error
+				CenteredPrintf(KDisplayMainY+5,_L("Tx error(%d)"),tStat.Int());
+				TheSerialPort->ReadCancel();
+				User::WaitForRequest(rStat);
+				TheConsole->ReadCancel();
+				User::WaitForRequest(kStat);
+				TxActive=EFalse;
+				goto LoopEnd;
+				}
+			TxCount++;
+			TInt t=cbufPtr->Get();
+			if (t==KErrGeneral)
+				TxActive=EFalse;
+			else
+				{
+				txChar=(TUint8)t;
+				TheSerialPort->Write(tStat,txPtr,1);
+				}
+			}
+		else if (kStat!=KRequestPending)
+			{
+			CenteredPrintf(KDisplayMainY+5,_L("Tx count (%d) - Hit another key"),TxCount);
+			TheSerialPort->ReadCancel();
+			User::WaitForRequest(rStat);
+LoopEnd:
+			if (TxActive)
+				{
+				TheSerialPort->WriteCancel();
+				User::WaitForRequest(tStat);
+				}
+			delete cbufPtr;
+			TheConsole->Getch();
+			break;
+			}
+		else
+			Panic(EStraySignal);
+		}
+	return(KErrNone);
+	}
+
+LOCAL_C TInt ToggleDtr()
+//
+// Toggle state of DTR signal
+//
+	{
+
+	if (TheDtrState)
+		{
+		TheSerialPort->SetSignals(0,KSignalDTR); // Negate DTR
+		TheDtrState=EFalse;
+		}
+	else
+		{
+		TheSerialPort->SetSignals(KSignalDTR,0); // Assert DTR
+		TheDtrState=ETrue;
+		}
+	return(KErrNone);
+	}
+
+LOCAL_C TInt ToggleRts()
+//
+// Toggle state of RTS signal
+//
+	{
+
+	if (TheRtsState)
+		{
+		TheSerialPort->SetSignals(0,KSignalRTS); // Negate RTS
+		TheRtsState=EFalse;
+		}
+	else
+		{
+		TheSerialPort->SetSignals(KSignalRTS,0); // Assert RTS
+		TheRtsState=ETrue;
+		}
+	return(KErrNone);
+	}
+
+LOCAL_C TInt SendXoff()
+//
+// Send XOFF
+//
+	{
+
+	TInt r=TheSerialPort->WriteS(_L8("\x13"));
+	if (r!=KErrNone)
+		{
+		CenteredPrintf(KDisplayMainY+1,_L("Error (%d) sending XOFF"),r);
+		TheConsole->Getch();
+		}
+	return(KErrNone);
+	}
+
+LOCAL_C TInt ReceiveBlock()
+//
+// Receive a block
+//
+	{
+
+	CenteredPrintf(KDisplayMainY,_L("Waiting to recieve a block. Hit a key to abort"));
+	TheSerialPort->ResetBuffers();
+	TRequestStatus kStat,rStat;
+	TBuf8<KTestPatternSize> rdBuf(KTestPatternSize);
+	TheSerialPort->Read(rStat,rdBuf);
+	TheConsole->Read(kStat);
+	User::WaitForRequest(kStat,rStat);
+	if (rStat!=KRequestPending)
+		{
+		TheConsole->ReadCancel();
+		User::WaitForRequest(kStat);
+		if (rStat.Int()!=KErrNone)
+			{
+			CenteredPrintf(KDisplayMainY+5,_L("Rx error(%d)"),rStat.Int());
+			TheConsole->Getch();
+			}
+		else if (rdBuf.Compare(TheTestBuf)!=0)
+			DumpDescriptors(rdBuf,TheTestBuf);
+		else
+			{
+			CenteredPrintf(KDisplayMainY+5,_L("Success"));
+			TheConsole->Getch();
+			}
+		}
+	else
+		{
+		TheSerialPort->ReadCancel();
+		User::WaitForRequest(rStat);
+		}
+	return(KErrNone);
+	}
+
+LOCAL_C TInt TransmitBlock()
+//
+// Transmit a block
+//
+	{
+
+	TInt r;
+	CenteredPrintf(KDisplayMainY,_L("Hit a key to transmit a block"));
+	while ((TUint)TheConsole->Getch()!=0x1b)
+		{
+		r=TheSerialPort->WriteS(TheTestBuf);
+		if (r!=KErrNone)
+			{
+			CenteredPrintf(KDisplayMainY+1,_L("Error (%d) transmitting block"),r);
+			TheConsole->Getch();
+			}
+		}
+	return(KErrNone);
+	}
+
+LOCAL_C TInt SendXon()
+//
+// Send XON
+//
+	{
+
+	TInt r=TheSerialPort->WriteS(_L8("\x11"));
+	if (r!=KErrNone)
+		{
+		CenteredPrintf(KDisplayMainY+1,_L("Error (%d) sending XON"),r);
+		TheConsole->Getch();
+		}
+	return(KErrNone);
+	}
+
+LOCAL_C void DceUtil()
+//
+// DCE Serial Driver test utilities
+//
+	{
+	TBuf<20> b(_L("BDHLOQRSTXY\x1b"));
+
+	FOREVER
+		{
+		TheConsole->ClearScreen();
+		TPtrC br=BaudrateText(TheConfig.iRate);
+		TPtrC dt=DtrText(TheDtrState);
+		TPtrC rt=RtsText(TheRtsState);
+		Heading(_L("T_DCEUTL 1.01 (Baudrate: %S DTR:%S RTS:%S)"),&br,&dt,&rt);
+		Instructions(ETrue,_L("Change(B)aud Toggle(D)TR Send(H)ayes (L)oopBack Send X(O)FF"));
+		Instructions(EFalse,_L("(Q)uit (R)xBlock Toggle RT(S) (T)xBlock Send(X)ON LongHayes(Y)?"));
+		TChar c;
+		do
+			{
+			c=(TUint)TheConsole->Getch();
+			c.UpperCase();
+			}
+		while(b.Locate(c)==KErrNotFound);
+		
+		switch (c)
+			{
+			case 'B': 	// Change baudrate
+				ChangeBaudrate();
+				break;
+			case 'D':   // Toggle state of DTR signal
+				ToggleDtr();
+				break;
+			case 'H':  	// Send short hayes command
+				SendHayesCommand();
+				break;
+			case 'L':  	// Loopback data from Rx to Tx
+				Loopback();
+				break;
+			case 'O':   // Send XOFF
+				SendXoff();
+				break;
+			case 'Q': case 0x1b: // Quit
+				return;
+			case 'R': 	// Receive a block
+				ReceiveBlock();
+				break;
+			case 'S':   // Toggle state of RTS signal
+				ToggleRts();
+				break;
+			case 'T': 	// Transmit a block
+				TransmitBlock();
+				break;
+			case 'X':	// Send XON
+				SendXon();
+				break;
+			case 'Y':  	// Send long hayes command
+				SendLongHayesCommand();
+				break;
+			}
+		}
+	}
+
+GLDEF_C TInt E32Main()
+	{
+
+	// Create console
+	TRAPD(r,TheConsole=Console::NewL(_L("T_DCEUTL"),TSize(KConsFullScreen,KConsFullScreen)))
+	__ASSERT_ALWAYS(r==KErrNone,Panic(ECreatingConsole));
+	TheTestBuf.SetLength(KTestPatternSize);
+	StripeMem(TheTestBuf,'A','Z');
+
+	TBuf <0x100> cmd;
+	User::CommandLine(cmd);
+	TInt port=0;
+	if ((cmd.Length()>0) && (cmd[0]>='1' && cmd[0]<='4'))
+		port=(TInt)(cmd[0]-'0');
+
+	// Load Device Drivers
+	TheConsole->Printf(_L("Load PDD\n\r"));
+    TBuf<9> pddName=PDD_NAME;
+#if !defined (__WINS__)
+	pddName[5]=(TText)('1'+port);
+	TInt muid=0;
+	if (HAL::Get(HAL::EMachineUid, muid)==KErrNone)
+		{
+		// Brutus uses EUART4 for both COM3 and COM4
+		if (muid==HAL::EMachineUid_Brutus && port==4)
+			pddName[5]=(TText)'4';
+		}
+#endif
+	r=User::LoadPhysicalDevice(pddName);
+	__ASSERT_ALWAYS(r==KErrNone||r==KErrAlreadyExists,Panic(ELoadingPDD));
+	TheConsole->Printf(_L("Load LDD\n\r"));
+	r=User::LoadLogicalDevice(LDD_NAME);
+	__ASSERT_ALWAYS(r==KErrNone||r==KErrAlreadyExists,Panic(ELoadingLDD));
+
+	// Create RComm object
+	TheConsole->Printf(_L("Create RComm object\n\r"));
+	TheSerialPort=new RComm;
+	__ASSERT_ALWAYS(TheSerialPort!=NULL,Panic(ECreatingRComm));
+
+	// Open Serial Port
+	TheConsole->Printf(_L("Open Serial Port (%d)\n\r"),port);
+	r=TheSerialPort->Open(port);
+	__ASSERT_ALWAYS(r==KErrNone,Panic(EOpeningPort));
+
+	// Setup serial port
+	TheConsole->Printf(_L("Setup serial port\n\r"));
+	TheSerialPort->Config(TheConfigBuf);
+	TheConfig.iRate=EBps9600;
+	TheConfig.iDataBits=EData8;
+	TheConfig.iStopBits=EStop1;
+	TheConfig.iParity=EParityNone;
+	TheConfig.iHandshake=(KConfigFreeRTS|KConfigFreeDTR); // So we can control them ourselves
+	r=TheSerialPort->SetConfig(TheConfigBuf);
+	__ASSERT_ALWAYS((r==KErrNone||r==KErrNotSupported),Panic(ESettingPort));
+	if (r==KErrNotSupported)
+		{
+		// Port may not support the handshake settings
+		TheConfig.iHandshake=0; 
+		r=TheSerialPort->SetConfig(TheConfigBuf);
+		__ASSERT_ALWAYS(r==KErrNone,Panic(ESettingPort));
+		}
+
+	// Assert DTR signal
+	TheSerialPort->SetSignals(KSignalDTR,0); // Assert DTR
+	TheDtrState=ETrue;
+	// Assert RTS signal
+	TheSerialPort->SetSignals(KSignalRTS,0); // Assert RTS
+	TheRtsState=ETrue;
+
+	DceUtil();
+
+	TheSerialPort->Close();
+	delete TheSerialPort;
+	delete TheConsole;
+	return(KErrNone);
+	}
+
+