sl@0: // Copyright (c) 1998-2009 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: // e32test\misc\t_lbk.cpp
sl@0: // 
sl@0: //
sl@0: 
sl@0: #include <e32test.h>
sl@0: #include <d32comm.h>
sl@0: 
sl@0: RTest test(_L("LoopBack"));
sl@0: 
sl@0: #define TEST(c)	((void)((c)||(test.Printf(_L("Failed at line %d\n"),__LINE__),test.Getch(),test(0),0)))
sl@0: 
sl@0: const TInt KBufferSize=4096;
sl@0: 
sl@0: _LIT(KLddName,"ECOMM");
sl@0: _LIT(KPddName,"EUART");
sl@0: 
sl@0: TUint8 Buffer[2*KBufferSize];
sl@0: 
sl@0: void LoadCommDrivers()
sl@0: 	{
sl@0: 	test.Printf(_L("Load LDD\n"));
sl@0: 	TInt r=User::LoadLogicalDevice(KLddName);
sl@0: 	TEST(r==KErrNone || r==KErrAlreadyExists);
sl@0: 
sl@0: 	TInt i;
sl@0: 	TInt n=0;
sl@0: 	for (i=-1; i<10; ++i)
sl@0: 		{
sl@0: 		TBuf<16> pddName=KPddName();
sl@0: 		if (i>=0)
sl@0: 			pddName.Append('0'+i);
sl@0: 		TInt r=User::LoadPhysicalDevice(pddName);
sl@0: 		if (r==KErrNone || r==KErrAlreadyExists)
sl@0: 			{
sl@0: 			++n;
sl@0: 			test.Printf(_L("%S found\n"),&pddName);
sl@0: 			}
sl@0: 		}
sl@0: 	TEST(n!=0);
sl@0: 	}
sl@0: 
sl@0: GLDEF_C TInt E32Main()
sl@0: 	{
sl@0: 	RThread().SetPriority(EPriorityAbsoluteForeground);
sl@0: 	test.SetLogged(EFalse);
sl@0: 	test.Title();
sl@0: 
sl@0: 	TBuf<256> cmd;
sl@0: 	User::CommandLine(cmd);
sl@0: 	TInt port=0;
sl@0: 	if (cmd.Length()!=0)
sl@0: 		{
sl@0: 		TUint8 c=(TUint8)cmd[0];
sl@0: 		if (c>='0' && c<='9')
sl@0: 			{
sl@0: 			port=c-'0';
sl@0: 			}
sl@0: 		}
sl@0: 
sl@0: 	TInt r=KErrNone;
sl@0: 	LoadCommDrivers();
sl@0: 
sl@0: 	RBusDevComm comm;
sl@0: 	r=comm.Open(port);
sl@0: 	test(r==KErrNone);
sl@0: 	TCommConfig cfg;
sl@0: 	TCommConfigV01& c=cfg();
sl@0: 	comm.Config(cfg);
sl@0: 	c.iRate=EBps115200;
sl@0: 	c.iDataBits=EData8;
sl@0: 	c.iStopBits=EStop1;
sl@0: 	c.iParity=EParityNone;
sl@0: 	c.iHandshake=0;
sl@0: 	c.iFifo=EFifoEnable;
sl@0: 	c.iTerminatorCount=0;
sl@0: 	r=comm.SetConfig(cfg);
sl@0: 	test(r==KErrNone);
sl@0: 
sl@0: 	TRequestStatus rxs, txs;
sl@0: 	TRequestStatus* pS=&txs;
sl@0: 	User::RequestComplete(pS,0);
sl@0: 
sl@0: 	TInt pos=0;
sl@0: 	FOREVER
sl@0: 		{
sl@0: 		TPtr8 dptr(Buffer+pos,0,KBufferSize);
sl@0: 		comm.ReadOneOrMore(rxs,dptr);
sl@0: 		User::WaitForRequest(rxs);
sl@0: 		if (rxs!=KErrNone)
sl@0: 			test.Printf(_L("RX error %d\n"),rxs.Int());
sl@0: 		User::WaitForRequest(txs);
sl@0: 		if (txs!=KErrNone)
sl@0: 			test.Printf(_L("TX error %d\n"),txs.Int());
sl@0: 		comm.Write(txs,dptr);
sl@0: 		if (pos)
sl@0: 			pos=0;
sl@0: 		else
sl@0: 			pos=KBufferSize;
sl@0: 		}
sl@0: 	}