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annotate HexFile.h @ 2:177f640940f2

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Update exception class and cleanup redifinitions During firmware download and exception caused the application to stop. Rootcause was the defference between QT5 and QT6 exception and string handling which is updated now. In addition some old definitions were removed to avoid compiler warnings.
author Ideenmodellierer
date Fri, 28 Nov 2025 19:57:35 +0100
parents 0b3630a29ad8
children
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1
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1 //////////////////////////////////////////////////////////////////////////////
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2 /// \file HexFile.h
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3 /// \brief Read .hex file in "Intel HEX" format.
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4 /// \author JD Gascuel.
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5 ///
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6 /// \copyright (c) 2012-2016, JD Gascuel. All rights reserved.
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7 /// $Id$
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8 //////////////////////////////////////////////////////////////////////////////
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9 //
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10 // BSD 2-Clause License:
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11 //
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12 // Redistribution and use in source and binary forms, with or without
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13 // modification, are permitted provided that the following conditions
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14 // are met:
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15 //
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16 // 1. Redistributions of source code must retain the above copyright notice,
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17 // this list of conditions and the following disclaimer.
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18 //
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19 // 2. Redistributions in binary form must reproduce the above copyright notice,
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20 // this list of conditions and the following disclaimer in the documentation
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21 // and/or other materials provided with the distribution.
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22 //
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23 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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24 // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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25 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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26 // ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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27 // LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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28 // CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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29 // SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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30 // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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31 // CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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32 // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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33 // THE POSSIBILITY OF SUCH DAMAGE.
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34 //
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35 //////////////////////////////////////////////////////////////////////////////
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36 // HISTORY
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37 // 2012-02-12 : [jDG] Creation for Frog Companion firmware upload.
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38 // 2012-09-22 : [jDG] Updated for OSTC Companion (OSTC3).
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39 // 2014-07-07 : [jDG] Cleanups for Subsurface google-summer-of-code.
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40 // 2014-07-25 : [jDG] BSD 2-clause license.
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41
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42 #include <QtGlobal>
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43 #include <QFile>
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44
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45 class QProgressBar;
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46
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47 /////////////////////////////////////////////////////////////////////////////
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48 /// \brief Read .hex file in "Intel HEX" format.
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49 ///
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50 /// \note that OSTC3 firmware is NOT distributed in Intel HEX format,
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51 /// but is first flatened, then encrypted, then written back
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52 /// in a similar looking format.
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53 class HexFile
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54 {
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55 QFile _file;
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56 size_t _memSize;
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57 size_t _baseAddress; ///< Base for extended address modes.
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58
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59 unsigned char* _buffer;
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60
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61 /// \brief Read and interpret on line of the HEX file.
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62 void readLine();
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63
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64 public:
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65 /// \brief Create an empty object.
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66 HexFile();
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67 ~HexFile();
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68
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69 /// \brief Allocate initialized space.
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70 bool allocate(size_t memSize, unsigned char fill = 0xFF);
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71 bool sqwiz(size_t newMemSize);
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72
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73 /// \brief Load the .hex file into the internal buffer.
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74 /// \return TRUE is ok, FAlSE if some error occurs.
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75 void load(const QString& fileName);
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76
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77 /// \brief Return a pointer to the loaded data.
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78 const unsigned char* data() const;
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79
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80 /// \brief Returns the 4 bytes checksum of the loaded data.
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81 ///
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82 /// This is a simple Adler32 checksum: The lower 16bits are the sum of
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83 /// all the bytes (modulo 65536). And the second 16bits are the sum of
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84 /// the running sum itself (also modulo 65536).
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85 unsigned int checksum() const;
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86
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87 /// \brief Save to encrypted HEX file.
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88 void saveEncrypted(const QString& fileName, unsigned char secretKey[16]);
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89
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90 /// \brief Reload encrypted HEX file.
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91 void loadEncrypted(const QString& fileName, unsigned char secretKey[16]);
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92 };