author | Richard Taylor <richard.i.taylor@nokia.com> |
Thu, 03 Dec 2009 14:59:48 +0000 | |
branch | wip |
changeset 32 | fdfc59a2ae7e |
parent 0 | 044383f39525 |
child 590 | 360bd6b35136 |
permissions | -rw-r--r-- |
0
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/* |
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* Copyright (c) 1996-2009 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of the License "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* |
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*/ |
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|
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|
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#include "r_rom.h" |
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#include "r_obey.h" |
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|
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#include <e32std.h> |
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#include <e32std_private.h> |
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|
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#if defined(__MSVCDOTNET__) || defined(__TOOLS2__) |
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#include <iostream> |
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#include <fstream> |
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#else //!__MSVCDOTNET__ |
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#include <iostream.h> |
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#include <fstream.h> |
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#endif //__MSVCDOTNET__ |
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#include <string.h> |
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const TInt KSRecBytesPerLine=32; // max line = 1+1+2+8 + (32*2) + 2 = 78 |
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|
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LOCAL_C TInt enchex(TUint nibble) |
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// |
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// Return ascii hex character corresponding to nibble |
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// |
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{ |
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|
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nibble&=0xf; |
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return(nibble<=9 ? '0'+nibble : 'A'-10+nibble); |
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} |
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GLDEF_C TUint putbhx(TUint8 *buf,TUint byte) |
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// |
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// Write byte to buffer as two hex digits |
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// |
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{ |
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|
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*buf++ = (TUint8)enchex(byte>>4); |
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*buf++ = (TUint8)enchex(byte); |
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return byte&0xff; |
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} |
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GLDEF_C TInt putmot(TUint8 *mcode, TUint8 *mdata,TUint mlen,TUint addr) |
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// |
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// Write SREC or S19 format to buffer at mcode from mlen bytes of binary data |
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// stored in buffer mdata. The code is given address addr. |
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// Returns the number of bytes written to mcode. |
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// |
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{ |
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TUint8 *p,*q,*qend; |
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TUint sum,byte; |
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p=mcode; |
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*p='S'; |
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#ifdef ALLOW_S_RECORD_THREE_BYTE_ADDRESSES |
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// This is an optimisation which is useful for S-Record downloads over serial cable |
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// but some S-Record tools don't support it, so it's off by default. |
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if ((TUint)((addr>>24)&0xff) == 0) |
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{ |
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*(p+1)='2'; // 3-byte address field |
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sum=putbhx(p+=2,3+mlen+1); |
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} |
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else |
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#endif |
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{ |
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*(p+1)='3'; // 4-byte address field |
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sum=putbhx(p+=2,4+mlen+1); |
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sum+=putbhx(p+=2,(TUint)((addr>>24)&0xff)); |
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} |
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sum+=putbhx(p+=2,(TUint)((addr>>16)&0xff)); |
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sum+=putbhx(p+=2,(TUint)((addr>>8)&0xff)); |
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sum+=putbhx(p+=2,(TUint)addr); |
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q=mdata; |
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qend=mdata+mlen; |
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for (q=mdata;q<qend;q++) |
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{ |
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byte=(*q); |
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sum+=putbhx(p+=2,byte); |
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} |
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putbhx(p+=2,~sum); |
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return((TUint)(p-mcode+2)); |
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} |
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|
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void E32Rom::WriteSRecord(ofstream &of) |
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// |
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// Write the rom to a file in S record format and return its check sum. |
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// |
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{ |
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|
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TInt i; |
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TUint8 sBuf[256]; |
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of << "S00600004844521B\n"; |
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TInt size=iObey->iRomSize; |
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TUint8 *ptr=(TUint8 *)iHeader; |
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for (i=0; i<size; i+=KSRecBytesPerLine) |
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{ |
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TInt len; |
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if ((i+KSRecBytesPerLine)>size) |
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len=size-i; |
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else |
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len=KSRecBytesPerLine; |
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TUint8 *pS=ptr+i; |
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TInt l=putmot(sBuf,pS,len,i+iObey->iSRecordBase); |
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of.write(reinterpret_cast<char *>(sBuf), l); |
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of<<endl; |
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} |
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of << "S70500000000FA\n"; // Fixed address! - would need to compute the checksum |
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} |
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124 |