| Remote Access Control |

# createrxhex.cpp File Reference

## Detailed Description

Source file for a EEPROM image generator for RKE receiver AVR.

- File: createrxhex.cpp
- Compiler: Any PC C++ Compiler
- AppNote: AVR411 - Secure Rolling Code Algorithm for Wireless Link

Author:
  Atmel Corporation: http://www.atmel.com
  Support email: avr@atmel.com

$Name$

Revision
  792

Date
  2006-10-09 10:36:07 +0200 (ma, 09 okt 2006)

Copyright (c) 2006, Atmel Corporation All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

3. The name of ATMEL may not be used to endorse or promote products derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY ATMEL ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Definition in file createrxhex.cpp.

`#include "hexfile.h"`
`#include <sstream>`
`#include <iomanip>`
`#include <string>`
`#include <stdexcept>`
`#include <vector>`
`#include <fstream>`

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Go to the source code of this file.

## Data Structures
class | ParameterParser
| Class to parse and store command line parameters for this application. More...
## Functions
void | CreateHEXFile (const ParameterParser &parser)
int | main (size_t argc, const char **argv)

## Function Documentation

void CreateHEXFile | ( | const ParameterParser & | parser | ) |

This function creates a HEX file from parameters stored in a parameter parser object.

Definition at line 211 of file createrxhex.cpp.

References ParameterParser::GetCounterSize(), ParameterParser::GetFilename(), ParameterParser::GetKeySize(), ParameterParser::GetMaxTransmitters(), ParameterParser::GetSerialNoSize(), and ParameterParser::GetSharedKey().

Referenced by main().

    00212 {
    00213         HEXFile hexData;
    00214         std::ofstream outFile( parser.GetFilename().c_str() );
    00215
    00216         // Prepare shared key bytes.
    00217         HEXRecord sharedKey;
    00218         sharedKey << parser.GetSharedKey();
    00219
    00220         // Prepare transmitter count byte.
    00221         HEXRecord transmitterCount;
    00222         transmitterCount << ((byte) 0x00);
    00223
    00224         // Prepare empty transmitter table entry.
    00225         HEXRecord transmitterTableEntry;
    00226         const size_t entrySize =
    00227                 (parser.GetKeySize() / 8) +
    00228                 parser.GetSerialNoSize() +
    00229                 parser.GetCounterSize();
    00230         for( size_t idx = 0; idx < entrySize; ++idx ) {
    00231                 transmitterTableEntry << ((byte) 0xff); // Erased EEPROM cells.
    00232         }
    00233
    00234         // Add records to HEX file.
    00235         hexData << sharedKey << transmitterCount;
    00236         for( size_t idx = 0; idx < parser.GetMaxTransmitters(); ++idx ) {
    00237                 hexData << transmitterTableEntry;
    00238         }
    00239
    00240         // Write to disk.
    00241         outFile << hexData;
    00242 }

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int main | ( | size_t | argc,
|  | const char ** | argv |
| ) |  |  |

Definition at line 246 of file createrxhex.cpp.

References CreateHEXFile(), ParameterParser::GetCounterSize(), ParameterParser::GetFilename(), ParameterParser::GetKeySize(), ParameterParser::GetMaxTransmitters(), ParameterParser::GetSerialNoSize(), and ParameterParser::GetSharedKeyString().

    00247 {
    00248         try {
    00249                 ParameterParser parser( argc, argv );
    00250                 std::cout << "Filename        : " << parser.GetFilename() << std::endl
    00251                         << "Key size        : " << parser.GetKeySize() << std::endl
    00252                         << "Serial no size  : " << parser.GetSerialNoSize() << std::endl
    00253                         << "Counter size    : " << parser.GetCounterSize() << std::endl
    00254                         << "Shared key      : " << parser.GetSharedKeyString() << std::endl
    00255                         << "Max transmitters: " << parser.GetMaxTransmitters() << std::endl;
    00256
    00257                 CreateHEXFile( parser );
    00258                 std::cout << std::endl << parser.GetFilename() << " created!" << std::endl;
    00259
    00260         } catch( const std::exception & e ) {
    00261                 std::cout << "Error: " << e.what() << std::endl;
    00262         } catch(...) {
    00263                 std::cout << "Unknown error" << std::endl;
    00264         }
    00265 }

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