1cee8de707
- Create complete VS2022 solution with 3 projects: * V2GDecoder: Main EXI decoder with debugging support * HexToBinary: Hex string to binary utility * HexDumpToBinary: Hex dump to binary utility - Copy all source files locally for Windows compilation: * Added Windows compatibility for unistd.h, fstat, S_ISREG * Fixed VLA issues in EncoderChannel.c with macro definitions * Include all required modules: codec, iso1, iso2, din, appHandshake - Build configuration: * Support Debug/Release x86/x64 configurations * Proper include directories and preprocessor definitions * Windows-specific compiler flags (_WIN32, __STDC_NO_VLA__) - Verification: * Both test4.exi and test5.exi decode/encode perfectly * 100% binary compatibility: original ↔ XML ↔ reencoded * Ready for step-by-step debugging in Visual Studio 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
125 lines
3.5 KiB
C
125 lines
3.5 KiB
C
/*
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* Copyright (C) 2007-2018 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 2017-03-02
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* @contact Richard.Kuntschke@siemens.com
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*
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* <p>Code generated by EXIdizer</p>
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* <p>Schema: V2G_CI_MsgDef.xsd</p>
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*
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*
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********************************************************************/
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#include "BitOutputStream.h"
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#include "EXIConfig.h"
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#include "EXITypes.h"
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#include "ErrorCodes.h"
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#ifndef BIT_OUTPUT_STREAM_C
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#define BIT_OUTPUT_STREAM_C
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int writeBits(bitstream_t* stream, size_t nbits, uint32_t val) {
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int errn = 0;
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/* is there enough space in the buffer */
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if (nbits <= stream->capacity) {
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/* all bits fit into the current buffer */
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stream->buffer = (uint8_t)(stream->buffer << (nbits)) | (uint8_t)(val & (uint32_t)(0xff >> (uint32_t)(BITS_IN_BYTE - nbits)));
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stream->capacity = (uint8_t)(stream->capacity - nbits);
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/* if the buffer is full write byte */
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if (stream->capacity == 0) {
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#if EXI_STREAM == BYTE_ARRAY
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if ((*stream->pos) >= stream->size) {
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errn = EXI_ERROR_OUTPUT_STREAM_EOF;
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} else {
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stream->data[(*stream->pos)++] = stream->buffer;
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}
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#endif
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#if EXI_STREAM == FILE_STREAM
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if ( putc(stream->buffer, stream->file) == EOF ) {
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errn = EXI_ERROR_OUTPUT_STREAM_EOF;
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}
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#endif
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stream->capacity = BITS_IN_BYTE;
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stream->buffer = 0;
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}
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} else {
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/* the buffer is not enough
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* fill the buffer */
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stream->buffer = (uint8_t)(stream->buffer << stream->capacity) |
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( (uint8_t)(val >> (nbits - stream->capacity)) & (uint8_t)(0xff >> (BITS_IN_BYTE - stream->capacity)) );
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nbits = (nbits - stream->capacity);
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#if EXI_STREAM == BYTE_ARRAY
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if ((*stream->pos) >= stream->size) {
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errn = EXI_ERROR_OUTPUT_STREAM_EOF;
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} else {
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stream->data[(*stream->pos)++] = stream->buffer;
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}
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#endif
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#if EXI_STREAM == FILE_STREAM
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if ( putc(stream->buffer, stream->file) == EOF ) {
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errn = EXI_ERROR_OUTPUT_STREAM_EOF;
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}
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#endif
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stream->buffer = 0;
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/* write whole bytes */
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while (errn == 0 && nbits >= BITS_IN_BYTE) {
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nbits = (nbits - BITS_IN_BYTE);
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#if EXI_STREAM == BYTE_ARRAY
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if ((*stream->pos) >= stream->size) {
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errn = EXI_ERROR_OUTPUT_STREAM_EOF;
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} else {
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stream->data[(*stream->pos)++] = (uint8_t)(val >> (nbits));
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}
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#endif
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#if EXI_STREAM == FILE_STREAM
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if ( putc((int)(val >> (nbits)), stream->file) == EOF ) {
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errn = EXI_ERROR_OUTPUT_STREAM_EOF;
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}
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#endif
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}
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/* spared bits are kept in the buffer */
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stream->buffer = (uint8_t)val; /* Note: the high bits will be shifted out during further filling */
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stream->capacity = (uint8_t)(BITS_IN_BYTE - (nbits));
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}
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return errn;
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}
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/**
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* Flush output
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*/
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int flush(bitstream_t* stream) {
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int errn = 0;
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if (stream->capacity == BITS_IN_BYTE) {
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/* nothing to do, no bits in buffer */
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} else {
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errn = writeBits(stream, stream->capacity, 0);
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}
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return errn;
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}
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#endif
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