QGCSerialPortInfo.cc

Go to the documentation of this file.

#include "QGCSerialPortInfo.h"
 
#include "JsonParsing.h"
#include "QGCLoggingCategory.h"
 
#include <QtCore/QFile>
#include <QtCore/QJsonArray>
#include <QtCore/QJsonDocument>
#include <QtCore/QJsonObject>
 
QGC_LOGGING_CATEGORY(QGCSerialPortInfoLog, "Comms.QGCSerialPortInfo")
 
bool QGCSerialPortInfo::_jsonLoaded = false;
bool QGCSerialPortInfo::_jsonDataValid = false;
QList<QGCSerialPortInfo::BoardInfo_t> QGCSerialPortInfo::_boardInfoList;
QList<QGCSerialPortInfo::BoardRegExpFallback_t> QGCSerialPortInfo::_boardDescriptionFallbackList;
QList<QGCSerialPortInfo::BoardRegExpFallback_t> QGCSerialPortInfo::_boardManufacturerFallbackList;
 
QGCSerialPortInfo::QGCSerialPortInfo()
    : QSerialPortInfo()
{
    qCDebug(QGCSerialPortInfoLog) << this;
}
 
QGCSerialPortInfo::QGCSerialPortInfo(const QSerialPort &port)
    : QSerialPortInfo(port)
{
    qCDebug(QGCSerialPortInfoLog) << this;
}
 
QGCSerialPortInfo::~QGCSerialPortInfo()
{
    qCDebug(QGCSerialPortInfoLog) << this;
}
 
bool QGCSerialPortInfo::_loadJsonData()
{
    if (_jsonLoaded) {
        return _jsonDataValid;
    }
 
    _jsonLoaded = true;
 
    QString errorString;
    int version;
    const QJsonObject json = JsonParsing::openInternalQGCJsonFile(QStringLiteral(":/json/USBBoardInfo.json"), QString(_jsonFileTypeValue), 1, 1, version, errorString);
    if (!errorString.isEmpty()) {
        qCWarning(QGCSerialPortInfoLog) << "Internal Error:" << errorString;
        return false;
    }
 
    static const QList<JsonParsing::KeyValidateInfo> rootKeyInfoList = {
        { _jsonBoardInfoKey, QJsonValue::Array, true },
        { _jsonBoardDescriptionFallbackKey, QJsonValue::Array, true },
        { _jsonBoardManufacturerFallbackKey, QJsonValue::Array, true },
    };
    if (!JsonParsing::validateKeys(json, rootKeyInfoList, errorString)) {
        qCWarning(QGCSerialPortInfoLog) << errorString;
        return false;
    }
 
    static const QList<JsonParsing::KeyValidateInfo> boardKeyInfoList = {
        { _jsonVendorIDKey, QJsonValue::Double, true },
        { _jsonProductIDKey, QJsonValue::Double, true },
        { _jsonBoardClassKey, QJsonValue::String, true },
        { _jsonNameKey, QJsonValue::String, true },
    };
    const QJsonArray rgBoardInfo = json[_jsonBoardInfoKey].toArray();
    for (const QJsonValue &jsonValue : rgBoardInfo) {
        if (!jsonValue.isObject()) {
            qCWarning(QGCSerialPortInfoLog) << "Entry in boardInfo array is not object";
            return false;
        }
 
        const QJsonObject boardObject = jsonValue.toObject();
        if (!JsonParsing::validateKeys(boardObject, boardKeyInfoList, errorString)) {
            qCWarning(QGCSerialPortInfoLog) << errorString;
            return false;
        }
 
        const BoardInfo_t boardInfo = {
            boardObject[_jsonVendorIDKey].toInt(),
            boardObject[_jsonProductIDKey].toInt(),
            _boardClassStringToType(boardObject[_jsonBoardClassKey].toString()),
            boardObject[_jsonNameKey].toString()
        };
        if (boardInfo.boardType == BoardTypeUnknown) {
            qCWarning(QGCSerialPortInfoLog) << "Bad board class" << boardObject[_jsonBoardClassKey].toString();
            return false;
        }
 
        _boardInfoList.append(boardInfo);
    }
 
    static const QList<JsonParsing::KeyValidateInfo> fallbackKeyInfoList = {
        { _jsonRegExpKey, QJsonValue::String, true },
        { _jsonBoardClassKey, QJsonValue::String, true },
        { _jsonAndroidOnlyKey, QJsonValue::Bool, false },
    };
    const QJsonArray rgBoardDescriptionFallback = json[_jsonBoardDescriptionFallbackKey].toArray();
    for (const QJsonValue &jsonValue : rgBoardDescriptionFallback) {
        if (!jsonValue.isObject()) {
            qCWarning(QGCSerialPortInfoLog) << "Entry in boardFallback array is not object";
            return false;
        }
 
        const QJsonObject fallbackObject = jsonValue.toObject();
        if (!JsonParsing::validateKeys(fallbackObject, fallbackKeyInfoList, errorString)) {
            qCWarning(QGCSerialPortInfoLog) << errorString;
            return false;
        }
 
        const QRegularExpression regExp(fallbackObject[_jsonRegExpKey].toString(), QRegularExpression::CaseInsensitiveOption);
        if (!regExp.isValid()) {
            qCWarning(QGCSerialPortInfoLog) << "Invalid regular expression in board description fallback:"
                                             << regExp.errorString()
                                             << "pattern:" << fallbackObject[_jsonRegExpKey].toString();
            return false;
        }
        const BoardRegExpFallback_t boardFallback = {
            regExp,
            _boardClassStringToType(fallbackObject[_jsonBoardClassKey].toString()),
            fallbackObject[_jsonAndroidOnlyKey].toBool(false)
        };
        if (boardFallback.boardType == BoardTypeUnknown) {
            qCWarning(QGCSerialPortInfoLog) << "Bad board class" << fallbackObject[_jsonBoardClassKey].toString();
            return false;
        }
 
        _boardDescriptionFallbackList.append(boardFallback);
    }
 
    const QJsonArray rgBoardManufacturerFallback = json[_jsonBoardManufacturerFallbackKey].toArray();
    for (const QJsonValue &jsonValue : rgBoardManufacturerFallback) {
        if (!jsonValue.isObject()) {
            qCWarning(QGCSerialPortInfoLog) << "Entry in boardFallback array is not object";
            return false;
        }
 
        const QJsonObject fallbackObject = jsonValue.toObject();
        if (!JsonParsing::validateKeys(fallbackObject, fallbackKeyInfoList, errorString)) {
            qCWarning(QGCSerialPortInfoLog) << errorString;
            return false;
        }
 
        const QRegularExpression regExp(fallbackObject[_jsonRegExpKey].toString(), QRegularExpression::CaseInsensitiveOption);
        if (!regExp.isValid()) {
            qCWarning(QGCSerialPortInfoLog) << "Invalid regular expression in board manufacturer fallback:"
                                             << regExp.errorString()
                                             << "pattern:" << fallbackObject[_jsonRegExpKey].toString();
            return false;
        }
        const BoardRegExpFallback_t boardFallback = {
            regExp,
            _boardClassStringToType(fallbackObject[_jsonBoardClassKey].toString()),
            fallbackObject[_jsonAndroidOnlyKey].toBool(false)
        };
        if (boardFallback.boardType == BoardTypeUnknown) {
            qCWarning(QGCSerialPortInfoLog) << "Bad board class" << fallbackObject[_jsonBoardClassKey].toString();
            return false;
        }
 
        _boardManufacturerFallbackList.append(boardFallback);
    }
 
    _jsonDataValid = true;
 
    return true;
}
 
QGCSerialPortInfo::BoardType_t QGCSerialPortInfo::_boardClassStringToType(const QString &boardClass)
{
    static const BoardClassString2BoardType_t rgBoardClass2BoardType[BoardTypeUnknown] = {
        { _boardTypeToString(BoardTypePixhawk), BoardTypePixhawk },
        { _boardTypeToString(BoardTypeRTKGPS), BoardTypeRTKGPS },
        { _boardTypeToString(BoardTypeSiKRadio), BoardTypeSiKRadio },
        { _boardTypeToString(BoardTypeOpenPilot), BoardTypeOpenPilot },
    };
 
    for (const BoardClassString2BoardType_t &board : rgBoardClass2BoardType) {
        if (boardClass == board.classString) {
            return board.boardType;
        }
    }
 
    return BoardTypeUnknown;
}
 
bool QGCSerialPortInfo::getBoardInfo(QGCSerialPortInfo::BoardType_t &boardType, QString &name) const
{
    boardType = BoardTypeUnknown;
 
    if (!_loadJsonData()) {
        return false;
    }
 
    if (isNull()) {
        return false;
    }
 
    for (const BoardInfo_t &boardInfo : _boardInfoList) {
        if ((vendorIdentifier() == boardInfo.vendorId) && ((productIdentifier() == boardInfo.productId) || (boardInfo.productId == 0))) {
            boardType = boardInfo.boardType;
            name = boardInfo.name;
            return true;
        }
    }
 
    Q_ASSERT(boardType == BoardTypeUnknown);
 
    for (const BoardRegExpFallback_t &boardFallback : _boardDescriptionFallbackList) {
        if (description().contains(boardFallback.regExp)) {
#ifndef Q_OS_ANDROID
            if (boardFallback.androidOnly) {
                continue;
            }
#endif
            boardType = boardFallback.boardType;
            name = _boardTypeToString(boardType);
            return true;
        }
    }
 
    for (const BoardRegExpFallback_t &boardFallback : _boardManufacturerFallbackList) {
        if (manufacturer().contains(boardFallback.regExp)) {
#ifndef Q_OS_ANDROID
            if (boardFallback.androidOnly) {
                continue;
            }
#endif
            boardType = boardFallback.boardType;
            name = _boardTypeToString(boardType);
            return true;
        }
    }
 
    return false;
}
 
QString QGCSerialPortInfo::_boardTypeToString(BoardType_t boardType)
{
    switch (boardType) {
    case BoardTypePixhawk:
        return QStringLiteral("Pixhawk");
    case BoardTypeSiKRadio:
        return QStringLiteral("SiK Radio");
    case BoardTypeOpenPilot:
        return QStringLiteral("OpenPilot");
    case BoardTypeRTKGPS:
        return QStringLiteral("RTK GPS");
    case BoardTypeUnknown:
    default:
        return QStringLiteral("Unknown");
    }
}
 
QList<QGCSerialPortInfo> QGCSerialPortInfo::availablePorts()
{
    QList<QGCSerialPortInfo> list;
 
    const QList<QSerialPortInfo> availablePorts = QSerialPortInfo::availablePorts();
    for (const QSerialPortInfo &portInfo : availablePorts) {
        if (isSystemPort(portInfo)) {
            continue;
        }
 
        const QGCSerialPortInfo *const qgcPortInfo = reinterpret_cast<const QGCSerialPortInfo*>(&portInfo);
        list << *qgcPortInfo;
    }
 
    return list;
}
 
bool QGCSerialPortInfo::isBootloader() const
{
    BoardType_t boardType;
    QString name;
    if (!getBoardInfo(boardType, name)) {
        return false;
    }
 
    return ((boardType == BoardTypePixhawk) && description().contains(QStringLiteral("BL")));
}
 
bool QGCSerialPortInfo::isBlackCube() const
{
    return description().contains(QStringLiteral("CubeBlack"));
}
 
bool QGCSerialPortInfo::isSystemPort(const QSerialPortInfo &port)
{
#ifdef Q_OS_MACOS
    static const QList<QString> systemPortLocations = {
        QStringLiteral("tty.MALS"),
        QStringLiteral("tty.SOC"),
        QStringLiteral("tty.Bluetooth-Incoming-Port"),
        QStringLiteral("tty.usbserial"),
        QStringLiteral("tty.usbmodem")
    };
    for (const QString &systemPortLocation : systemPortLocations) {
        if (port.systemLocation().contains(systemPortLocation)) {
            return true;
        }
    }
#else
    Q_UNUSED(port);
#endif
 
    // TODO: Add Linux (LTE modems, etc) and Windows as needed
 
    return false;
}
 
bool QGCSerialPortInfo::canFlash() const
{
    BoardType_t boardType;
    QString name;
    if (!getBoardInfo(boardType, name)) {
        return false;
    }
 
    static const QList<BoardType_t> flashable = {
        BoardTypePixhawk,
        BoardTypeSiKRadio
    };
 
    return flashable.contains(boardType);
}