mirror of
https://github.com/Martin-P/OpenV2G.git
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69e25e0172
git-svn-id: https://svn.code.sf.net/p/openv2g/code/trunk@15 d9f2db14-54d0-4bde-b00c-16405c910529
58 lines
1.6 KiB
C
58 lines
1.6 KiB
C
/*
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* Copyright (C) 2007-2010 Siemens AG
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published
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* by the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*******************************************************************
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*
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* @author Daniel.Peintner.EXT@siemens.com
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* @version 0.2.2
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* @contact Joerg.Heuer@siemens.com
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*
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********************************************************************/
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#include <stdio.h>
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#include <stdlib.h>
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#include "EXIHeaderDecoder.h"
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#include "BitInputStream.h"
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#include "BitDecoderChannel.h"
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#ifndef EXI_HEADER_DECODER_C
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#define EXI_HEADER_DECODER_C
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int readEXIHeader(bitstream_t* stream) {
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uint8_t header;
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int errn = readBits(stream, 8, &header);
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if (errn < 0) {
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return errn;
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}
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if(header == '$') {
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/* we do not support "EXI Cookie" */
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errn = -1;
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} else if ( header & 0x20 ) {
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/* we do not support "Presence Bit for EXI Options" */
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errn = -2;
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} else {
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/* Yes, a *simple* header */
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errn = 0;
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}
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return errn;
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}
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#endif
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