FirmwareImage.h

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#pragma once
 
#include <QtCore/QObject>
#include <QtCore/QString>
#include <QtCore/QByteArray>
#include <QtCore/QList>
#include <QtCore/QTextStream>
 
class FirmwareImage : public QObject
{
    Q_OBJECT
 
public:
    FirmwareImage(QObject *parent = 0);
 
    bool load(const QString& imageFilename, uint32_t boardId);
 
    uint32_t imageSize(void) const { return _imageSize; }
 
    bool imageIsBinFormat(void) const { return _binFormat; }
 
    QString binFilename(void) const { return _binFilename; }
 
    uint16_t ihxBlockCount(void) const;
 
    bool ihxGetBlock(uint16_t index, uint16_t& address, QByteArray& bytes) const;
 
    bool isCompatible(uint32_t boardId, uint32_t firmwareId);
 
signals:
    void errorMessage(const QString& errorString);
    void statusMessage(const QString& warningtring);
 
private:
    bool _binLoad(const QString& px4Filename);
    bool _px4Load(const QString& px4Filename);
    bool _ihxLoad(const QString& ihxFilename);
 
    bool _readByteFromStream(QTextStream& stream, uint8_t& byte);
    bool _readWordFromStream(QTextStream& stream, uint16_t& word);
    bool _readBytesFromStream(QTextStream& stream, uint8_t byteCount, QByteArray& bytes);
 
    bool _decompressJsonValue(const QJsonObject&    jsonObject,
                              const QByteArray&     jsonDocBytes,
                              const QString&        sizeKey,
                              const QString&        bytesKey,
                              QByteArray&           decompressedBytes);
 
    typedef struct {
        uint16_t    address;
        QByteArray  bytes;
    } IntelHexBlock_t;
 
    bool                    _binFormat;
    uint32_t                _boardId;
    QString                 _binFilename;
    QList<IntelHexBlock_t>  _ihxBlocks;
    uint32_t                _imageSize;
 
    static constexpr const char* _jsonBoardIdKey =            "board_id";
    static constexpr const char* _jsonParamXmlSizeKey =       "parameter_xml_size";
    static constexpr const char* _jsonParamXmlKey =           "parameter_xml";
    static constexpr const char* _jsonAirframeXmlSizeKey =    "airframe_xml_size";
    static constexpr const char* _jsonAirframeXmlKey =        "airframe_xml";
    static constexpr const char* _jsonImageSizeKey =          "image_size";
    static constexpr const char* _jsonImageKey =              "image";
    static constexpr const char* _jsonMavAutopilotKey =       "mav_autopilot";
};