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os/kernelhwsrv/kerneltest/e32test/device/t_prom.cpp
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib. 
     1 // Copyright (c) 1996-2009 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\device\t_prom.cpp

    15 // 

    16 //

    17 

    18 #include <e32test.h>

    19 #include <e32twin.h>

    20 #include <e32hal.h>

    21 #include <d32prom.h>

    22 

    23 GLDEF_D RDevE2Prom prom;

    24 GLDEF_D RTest test(_L("E2PROM tests"));

    25 

    26 #if !defined(__WINS__)

    27 LOCAL_C TInt CheckProm(TInt aVal)

    28 //

    29 // Write aVal to every location in prom and verify...

    30 //

    31     {

    32 

    33     TBuf16<16> buf;

    34 

    35     test(prom.WriteAll(aVal)==KErrNone);

    36     test(prom.ReadData(buf)==KErrNone);

    37 

    38     TInt len;

    39 

    40     for(len=0;len<16;len++)

    41         test(buf[len]==aVal);

    42 

    43     return(KErrNone);

    44     }

    45 #endif

    46 

    47 GLDEF_C TInt E32Main()

    48 //

    49 // Test E2 PROM handling.

    50 //

    51     {

    52 	test.Title();

    53 #if defined(__WINS__)

    54 	test.Start(_L("This test is valid under EPOC platforms only"));

    55 	test.End();

    56 	test.Close();

    57 	return(KErrNone);

    58 #else

    59 

    60     test.Start(_L("Loading E2PROM LDD"));

    61 	TInt r=User::LoadLogicalDevice(_L("E2PROM"));

    62     test(r==KErrNone || r==KErrAlreadyExists);

    63     test.Next(_L("Opening device driver"));

    64 	test(prom.Open()==KErrNone);

    65 	test.Next(_L("Copying current contents of PROM"));

    66 	TInt currentProtectValue=prom.ProtectRead();

    67 	TBuf16<16> currentContents;

    68 

    69 /*  Random hacky code */

    70 /*

    71     TBuf<0x100> buf;

    72     RProcess().CommandLine(buf);

    73     TLex lex(buf);

    74     TUint val;

    75     if (buf==KNullDesC)

    76         val=0;

    77     else

    78         {

    79         TInt r;

    80         r=lex.Val(val);

    81         test(r==KErrNone); 

    82         test.Printf(_L("Setting to value %08x"), val);

    83         }

    84     currentContents.SetLength(16);

    85     Mem::FillZ((TUint8 *)currentContents.Ptr(), 32);

    86     test(prom.ReadData(currentContents)==KErrNone);

    87     currentContents[4]=val;

    88     TInt i;

    89     TUint8 s=0;

    90     for (i=1; i<32; i++)

    91         {

    92         s^=((TUint8*)currentContents.Ptr())[i];

    93         }

    94     s^=0x42;

    95     ((TUint8*)currentContents.Ptr())[0]=s;

    96     test(prom.WriteData(currentContents)==KErrNone);

    97     test.Next(_L("Reading back"));

    98     test(prom.ReadData(currentContents)==KErrNone);

    99     test.Next(_L("Check checksum"));

   100     s=0;

   101     for (i=0; i<32; i++)

   102         {

   103         s^=((TUint8 *)currentContents.Ptr())[i];

   104         }

   105     test.Printf(_L("checksum=%08x"), s);

   106 

   107     User::FreeLogicalDevice(_L("E2PROM"));

   108     test.End();

   109     return KErrNone;

   110     }

   111 */

   112                                                

   113 	test(prom.ReadData(currentContents)==KErrNone);

   114 

   115 

   116 		

   117     TBuf16<16> buf1;

   118     TBuf16<16> buf2;

   119 

   120 	test.Next(_L("Clearing protect register"));

   121 

   122     test(prom.ProtectClear()==KErrNone);

   123     test(prom.ProtectRead()==63);

   124 

   125     test.Next(_L("Writing all"));

   126 

   127     test(CheckProm(0)==KErrNone);

   128     test(CheckProm(0x0008)==KErrNone);

   129     test(CheckProm(0x0080)==KErrNone);

   130     test(CheckProm(0x0800)==KErrNone);

   131     test(CheckProm(0x8000)==KErrNone);

   132     test(CheckProm(0xffff)==KErrNone);

   133     test(CheckProm(0xf0f0)==KErrNone);

   134     test(CheckProm(0xf00f)==KErrNone);

   135 

   136     test.Next(_L("Writing data"));

   137 

   138     TInt len;

   139 

   140     buf1.SetLength(16);

   141 

   142     for(len=0;len<16;len++)

   143         buf1[len]=(TInt16)len;

   144 

   145     test(prom.WriteData(buf1)==KErrNone);

   146     test.Next(_L("Reading and verifying"));

   147     test(prom.ReadData(buf2)==KErrNone);

   148     test(buf1==buf2);

   149 

   150 	test.Next(_L("Testing protection"));

   151 	test(prom.ProtectSet(6)==KErrNone);

   152 	test(prom.ProtectRead()==6);

   153 	test(prom.WriteAll(0)==KErrNone);

   154 	test(prom.ReadData(buf2)==KErrNone);

   155 	test(buf1==buf2);

   156 	

   157 	for(len=0;len<16;len++)

   158 		buf1[len]=(TInt16)(len+0x8570);

   159 

   160 	test(prom.WriteData(buf1)==KErrNone);

   161 	test(prom.ReadData(buf2)==KErrNone);

   162 	test(buf1!=buf2);

   163 	

   164 	for(len=6;len<16;len++)

   165 		buf1[len]=(TInt16)len;

   166 

   167 	test(buf1==buf2);

   168 	test.Next(_L("Writing back original contents"));

   169 	test(prom.ProtectClear()==KErrNone);

   170 	test(prom.WriteData(currentContents)==KErrNone);

   171 	test(prom.ProtectSet(currentProtectValue)==KErrNone);

   172     prom.Close();

   173 

   174     test.End();

   175 

   176 	return(KErrNone);

   177 #endif

   178     }

   179
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