rawParser: simple class to read raw binary content with an optional reverse order

This commit is contained in:
Gwenhael Goavec-Merou 2020-09-05 07:49:57 +02:00
parent 381c67de00
commit 800ad1ce2c
3 changed files with 100 additions and 0 deletions

View File

@ -45,6 +45,7 @@ set(OPENFPGALOADER_SOURCE
src/anlogicCable.cpp
src/dirtyJtag.cpp
src/spiFlash.cpp
src/rawParser.cpp
src/usbBlaster.cpp
src/epcq.cpp
src/svf_jtag.cpp
@ -77,6 +78,7 @@ set(OPENFPGALOADER_HEADERS
src/cxxopts.hpp
src/dirtyJtag.hpp
src/progressBar.hpp
src/rawParser.hpp
src/usbBlaster.hpp
src/bitparser.hpp
src/ftdiJtagBitbang.hpp

48
src/rawParser.cpp Normal file
View File

@ -0,0 +1,48 @@
/*
* Copyright (C) 2020 Gwenhael Goavec-Merou <gwenhael.goavec-merou@trabucayre.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include <stdexcept>
#include "configBitstreamParser.hpp"
#include "display.hpp"
#include "rawParser.hpp"
using namespace std;
RawParser::RawParser(const string &filename, bool reverseOrder):
ConfigBitstreamParser(filename, ConfigBitstreamParser::BIN_MODE,
false), _reverseOrder(reverseOrder)
{}
int RawParser::parse()
{
cout << "parsing " << _file_size << endl;
char *c = new char[_file_size];
_fd.read(c, sizeof(char) * _file_size);
if (!_fd) {
printError("Error: fail to read " + _filename);
return EXIT_FAILURE;
}
cout << _bit_data << endl;
_bit_data.resize(_file_size);
for (int i = 0; i < _file_size; i++)
_bit_data[i] = (_reverseOrder) ? reverseByte(c[i]): c[i];
_bit_length = _bit_data.size() * 8;
cout << "file length " << _bit_length << endl;
delete(c);
return EXIT_SUCCESS;
}

50
src/rawParser.hpp Normal file
View File

@ -0,0 +1,50 @@
/*
* Copyright (C) 2020 Gwenhael Goavec-Merou <gwenhael.goavec-merou@trabucayre.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef SRC_RAWPARSER_HPP_
#define SRC_RAWPARSER_HPP_
#include <string>
#include "configBitstreamParser.hpp"
/*!
* \file rawParser
* \class RawParser
* \brief class used to read a raw data file
* \author Gwenhael Goavec-Merou
*/
class RawParser: public ConfigBitstreamParser {
public:
/*!
* \brief constructor
* \param[in] filename: raw file to read
* \param[in] reverseOrder: reverse each byte (LSB -> MSB, MSB -> LSB)
*/
RawParser(const std::string &filename, bool reverseOrder);
/*!
* \brief read full content of the file, fill the buffer
* \return EXIT_SUCCESS is file is fully read, EXIT_FAILURE otherwhise
*/
int parse() override;
private:
bool _reverseOrder; /*!< tail if byte must be reversed */
};
#endif // SRC_RAWPARSER_HPP_