os/kernelhwsrv/kerneltest/e32test/pccd/d_medt2.cpp
author sl@SLION-WIN7.fritz.box
Fri, 15 Jun 2012 03:10:57 +0200 (2012-06-15)
changeset 0 bde4ae8d615e
permissions -rw-r--r--
First public contribution.
     1 // Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies).
     2 // All rights reserved.
     3 // This component and the accompanying materials are made available
     4 // under the terms of the License "Eclipse Public License v1.0"
     5 // which accompanies this distribution, and is available
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
     7 //
     8 // Initial Contributors:
     9 // Nokia Corporation - initial contribution.
    10 //
    11 // Contributors:
    12 //
    13 // Description:
    14 // e32test\pccd\d_medt2.cpp
    15 // 
    16 //
    17 
    18 #if defined(_UNICODE)
    19 #if !defined(UNICODE)
    20 #define UNICODE
    21 #endif
    22 #endif
    23 #include <kernel/kernel.h>
    24 const TInt KTestDriverBufferMaxSize=0x1000;	// 4K
    25 
    26 class DPhysicalDeviceMediaTest : public DPhysicalDeviceMedia
    27 	{
    28 public:
    29 	DPhysicalDeviceMediaTest();
    30 	virtual TInt Install();
    31 	virtual TInt Remove();
    32 	virtual void GetCaps(TDes8 &aDes) const;
    33 	virtual CBase *CreateL(TInt aDevice,const TDesC *anInfo,const TVersion &aVer);
    34 	virtual TInt Priority();
    35 	};
    36 								
    37 class DMediaDriverTest : public DMediaDriver
    38 	{
    39 public:
    40 	DMediaDriverTest();
    41 	TInt DoCreate(TMediaDevice aMediaDevice);
    42 	void DoRead(TInt64 &aPos,TInt aLength,TMediaDrvDescData &aTrg);
    43 	void DoWrite(TInt64 &aPos,TInt aLength,TMediaDrvDescData &aSrc);
    44 	void DoFormat(TInt64 &aPos,TInt aLength);
    45 	TInt Enlarge(TInt aLength);
    46 	TInt ReduceSize(TInt64 &aPos,TInt aLength);
    47 	void Close();
    48 	TInt PartitionInfo(TPartitionInfo &anInfo);
    49 	void Caps(TDes8& aCapsBuf);
    50 private:
    51 	static void WriteCompleteCallBack(TAny *aMediaDriver,TInt aDelay);
    52 	static void FormatCompleteCallBack(TAny *aMediaDriver,TInt aDelay);
    53 private:
    54 	TUint8 iBuf[KTestDriverBufferMaxSize];
    55 	TTickLink iWriteTickLink;
    56 	TTickLink iFormatTickLink;
    57 	};
    58 
    59 DPhysicalDeviceMediaTest::DPhysicalDeviceMediaTest()
    60 //
    61 // Constructor
    62 //
    63 	{
    64 	iUnitsMask=0x1; // Support only one 
    65 	iVersion=TVersion(KMediaDriverInterfaceMajorVersionNumber,KMediaDriverInterfaceMinorVersionNumber,KMediaDriverInterfaceBuildVersionNumber);
    66 	}
    67 
    68 TInt DPhysicalDeviceMediaTest::Install()
    69 //
    70 // Install the test Media PDD.
    71 //
    72 	{
    73 
    74     TPtrC name=_L("Media.Tst2");
    75 	return(SetName(&name));
    76 	}
    77 
    78 TInt DPhysicalDeviceMediaTest::Remove()
    79 //
    80 // Remove the test Media PDD.
    81 //
    82 	{
    83 	return(KErrNone);
    84 	}
    85 
    86 void DPhysicalDeviceMediaTest::GetCaps(TDes8 &/* aDes */) const
    87 //
    88 // Return the media drivers capabilities.
    89 //
    90 	{
    91 	}
    92 								 
    93 CBase *DPhysicalDeviceMediaTest::CreateL(TInt aDevice,const TDesC * /* anInfo */,const TVersion &aVer)
    94 //
    95 // Create a test media driver.
    96 //
    97 	{
    98 	if (User::QueryVersionSupported(iVersion,aVer)==EFalse)
    99 		User::Leave(KErrNotSupported);
   100 	DMediaDriverTest *mD=new(ELeave) DMediaDriverTest;
   101 	TInt ret=mD->DoCreate((TMediaDevice)aDevice);
   102 	if (ret!=KErrNone)
   103 		{
   104 		delete mD;
   105 		User::Leave(ret);
   106 		}
   107 	return(mD);
   108 	}
   109 
   110 TInt DPhysicalDeviceMediaTest::Priority()
   111 //
   112 // Return the priority of this media driver
   113 //
   114 	{
   115 
   116 	return(KMediaDriverPriorityLow); 
   117 	}
   118 
   119 DMediaDriverTest::DMediaDriverTest()
   120 //
   121 // Constructor.
   122 //
   123 	{
   124 
   125 //	Mem::FillZ(&iBuf[0],sizeof(iBuf));
   126     iFlags=KMediaDrvMultipleReqs;
   127 	}
   128 
   129 TInt DMediaDriverTest::DoCreate(TMediaDevice aMediaDevice)
   130 //
   131 // Create the media driver.
   132 //
   133 	{
   134 
   135    	if (!__IS_REMOVABLE(aMediaDevice))
   136 		return(KErrNotSupported);
   137 	SetTotalSizeInBytes(KTestDriverBufferMaxSize);
   138 	return(KErrNone);
   139 	}
   140 
   141 void DMediaDriverTest::DoRead(TInt64 &aPos,TInt aLength,TMediaDrvDescData &aTrg)
   142 //
   143 // Read from specified area of media.
   144 //
   145 	{
   146 
   147 	TInt ret=KErrNone;
   148 	if (!aTrg.IsCurrentThread())
   149 		ret=KErrGeneral;
   150 	else
   151 		{
   152 		if ((ret=aTrg.CurrentThreadDescCheck(aLength))==KErrNone)
   153             {
   154 			TDes8 &t=*((TDes8*)aTrg.iPtr);
   155 			Mem::Copy((TAny*)(t.Ptr()+aTrg.iOffset),&iBuf[aPos.Low()],aLength);
   156 			t.SetLength(aLength+aTrg.iOffset);
   157 			}
   158 		}
   159     Complete(KMediaDrvReadReq,ret);
   160 	}
   161 
   162 const TInt KWriteAsyncTime=100000;	// 100mS
   163 void DMediaDriverTest::DoWrite(TInt64 &aPos,TInt aLength,TMediaDrvDescData &aSrc)
   164 //
   165 // Write to specifed area of media.
   166 //
   167 	{
   168 
   169 	if (!aSrc.IsCurrentThread())
   170         Complete(KMediaDrvWriteReq,KErrGeneral);
   171 	else
   172         {
   173 		Mem::Copy(&iBuf[aPos.Low()],((TDesC8*)aSrc.iPtr)->Ptr()+aSrc.iOffset,aLength);
   174 	    iWriteTickLink.OneShotInMicroSeconds(KWriteAsyncTime,DMediaDriverTest::WriteCompleteCallBack,this);
   175         }
   176 	}
   177 
   178 const TInt KFormatAsyncTime=5000000;	// 5S
   179 void DMediaDriverTest::DoFormat(TInt64 &aPos,TInt aLength)
   180 //
   181 // Format the specified area of the media.
   182 //
   183 	{
   184 
   185     Mem::Fill(&iBuf[aPos.Low()],aLength,0xFF);
   186 	iFormatTickLink.OneShotInMicroSeconds(KFormatAsyncTime,DMediaDriverTest::FormatCompleteCallBack,this);
   187 	}
   188 
   189 TInt DMediaDriverTest::Enlarge(TInt /*aLength*/)
   190 //
   191 // Enlarge the drive
   192 //
   193 	{
   194 
   195 	return(KErrNotSupported);
   196 	}
   197 
   198 TInt DMediaDriverTest::ReduceSize(TInt64& /*aPos*/,TInt /*aLength*/)
   199 //
   200 // Reduce in size the drive
   201 //
   202 	{
   203 
   204 	return(KErrNotSupported);
   205 	}
   206 
   207 void DMediaDriverTest::Close()
   208 //
   209 // Close the media driver
   210 //
   211 	{
   212     
   213 	iWriteTickLink.Cancel();
   214 	iFormatTickLink.Cancel();
   215     }
   216 
   217 TInt DMediaDriverTest::PartitionInfo(TPartitionInfo &anInfo)
   218 //
   219 // Return partition information on the media.
   220 //
   221 	{
   222 
   223 	anInfo.iPartitionCount=1;
   224 	anInfo.iEntry[0].iPartitionBaseAddr=0;
   225 	anInfo.iEntry[0].iPartitionLen=anInfo.iMediaSizeInBytes=TotalSizeInBytes();
   226 	return(KErrNone);
   227 	}
   228 
   229 void DMediaDriverTest::Caps(TDes8& aCapsBuf)
   230 //
   231 // Return the capabilities of the media
   232 	{
   233 
   234 	TLocalDriveCapsV2 caps;
   235 	caps.iType=EMediaFlash; // Pretend its a Flash device
   236 	caps.iConnectionBusType=EConnectionBusInternal;
   237 	caps.iDriveAtt=KDriveAttLocal|KDriveAttRemovable;
   238 	caps.iMediaAtt=KMediaAttFormattable;
   239 	caps.iFileSystemId=KDriveFileSysFAT;
   240 	caps.iHiddenSectors=0;
   241 	aCapsBuf.FillZ(aCapsBuf.MaxLength());
   242 	aCapsBuf.Copy((TUint8 *)&caps,Min(aCapsBuf.MaxLength(),sizeof(caps)));
   243 	}
   244 
   245 void DMediaDriverTest::WriteCompleteCallBack(TAny *aMediaDriver,TInt /*aDelay*/)
   246 //
   247 // Complete a write request
   248 //
   249 	{
   250 
   251 	DMediaDriverTest &md=*(DMediaDriverTest*)aMediaDriver;
   252     md.Complete(KMediaDrvWriteReq,KErrNone);
   253 	return;
   254 	}
   255 
   256 void DMediaDriverTest::FormatCompleteCallBack(TAny *aMediaDriver,TInt /*aDelay*/)
   257 //
   258 // Complete a format request
   259 //
   260 	{
   261 
   262 	DMediaDriverTest &md=*(DMediaDriverTest*)aMediaDriver;
   263     md.Complete(KMediaDrvFormatReq,KErrNone);
   264 	return;
   265 	}
   266 
   267 DECLARE_STANDARD_PDD()
   268 	{
   269 	return new DPhysicalDeviceMediaTest;
   270 	}
   271