QGCSerialPortInfo.cc 12.4 KB
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/****************************************************************************
 *
 *   (c) 2009-2016 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>
 *
 * QGroundControl is licensed according to the terms in the file
 * COPYING.md in the root of the source code directory.
 *
 ****************************************************************************/

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#include "QGCSerialPortInfo.h"
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#include "JsonHelper.h"

#include <QFile>
#include <QJsonDocument>
#include <QJsonObject>
#include <QJsonArray>
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QGC_LOGGING_CATEGORY(QGCSerialPortInfoLog, "QGCSerialPortInfoLog")

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bool         QGCSerialPortInfo::_jsonLoaded =                       false;
const char*  QGCSerialPortInfo::_jsonFileTypeValue =                "USBBoardInfo";
const char*  QGCSerialPortInfo::_jsonBoardInfoKey =                 "boardInfo";
const char*  QGCSerialPortInfo::_jsonBoardDescriptionFallbackKey =  "boardDescriptionFallback";
const char*  QGCSerialPortInfo::_jsonBoardManufacturerFallbackKey = "boardManufacturerFallback";
const char*  QGCSerialPortInfo::_jsonVendorIDKey =                  "vendorID";
const char*  QGCSerialPortInfo::_jsonProductIDKey =                 "productID";
const char*  QGCSerialPortInfo::_jsonBoardClassKey =                "boardClass";
const char*  QGCSerialPortInfo::_jsonNameKey =                      "name";
const char*  QGCSerialPortInfo::_jsonRegExpKey =                    "regExp";
const char*  QGCSerialPortInfo::_jsonAndroidOnlyKey =               "androidOnly";
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const QGCSerialPortInfo::BoardClassString2BoardType_t QGCSerialPortInfo::_rgBoardClass2BoardType[] = {
    { "Pixhawk",    QGCSerialPortInfo::BoardTypePixhawk },
    { "PX4 Flow",   QGCSerialPortInfo::BoardTypePX4Flow },
    { "RTK GPS",    QGCSerialPortInfo::BoardTypeRTKGPS },
    { "SiK Radio",  QGCSerialPortInfo::BoardTypeSiKRadio },
    { "OpenPilot",  QGCSerialPortInfo::BoardTypeOpenPilot },
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};

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QList<QGCSerialPortInfo::BoardInfo_t>           QGCSerialPortInfo::_boardInfoList;
QList<QGCSerialPortInfo::BoardRegExpFallback_t> QGCSerialPortInfo::_boardDescriptionFallbackList;
QList<QGCSerialPortInfo::BoardRegExpFallback_t> QGCSerialPortInfo::_boardManufacturerFallbackList;
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QGCSerialPortInfo::QGCSerialPortInfo(void) :
    QSerialPortInfo()
{

}

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QGCSerialPortInfo::QGCSerialPortInfo(const QSerialPort & port) :
    QSerialPortInfo(port)
{

}

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void QGCSerialPortInfo::_loadJsonData(void)
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{
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    if (_jsonLoaded) {
        return;
    }
    _jsonLoaded = true;

    QFile file(QStringLiteral(":/json/USBBoardInfo.json"));

    if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
        qWarning() << "Unable to open board info json:" << file.errorString();
        return;
    }

    QByteArray  bytes = file.readAll();

    QJsonParseError jsonParseError;
    QJsonDocument   jsonDoc(QJsonDocument::fromJson(bytes, &jsonParseError));
    if (jsonParseError.error != QJsonParseError::NoError) {
        qWarning() << "Unable to parse board info json:" << jsonParseError.errorString();
        return;
    }
    QJsonObject json = jsonDoc.object();

    int fileVersion;
    QString errorString;
    if (!JsonHelper::validateQGCJsonFile(json,
                                         _jsonFileTypeValue,    // expected file type
                                         1,                     // minimum supported version
                                         1,                     // maximum supported version
                                         fileVersion,
                                         errorString)) {
        qWarning() << errorString;
        return;
    }

    // Validate root object keys
    QList<JsonHelper::KeyValidateInfo> rootKeyInfoList = {
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        { _jsonBoardInfoKey,                    QJsonValue::Array, true },
        { _jsonBoardDescriptionFallbackKey,     QJsonValue::Array, true },
        { _jsonBoardManufacturerFallbackKey,    QJsonValue::Array, true },
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    };
    if (!JsonHelper::validateKeys(json, rootKeyInfoList, errorString)) {
        qWarning() << errorString;
        return;
    }

    // Load board info used to detect known board from vendor/product id

    QList<JsonHelper::KeyValidateInfo> boardKeyInfoList = {
        { _jsonVendorIDKey,     QJsonValue::Double, true },
        { _jsonProductIDKey,    QJsonValue::Double, true },
        { _jsonBoardClassKey,   QJsonValue::String, true },
        { _jsonNameKey,         QJsonValue::String, true },
    };

    QJsonArray rgBoardInfo = json[_jsonBoardInfoKey].toArray();
    for (int i=0; i<rgBoardInfo.count(); i++) {
        const QJsonValue& jsonValue = rgBoardInfo[i];
        if (!jsonValue.isObject()) {
            qWarning() << "Entry in boardInfo array is not object";
            return;
        }

        QJsonObject  boardObject = jsonValue.toObject();
        if (!JsonHelper::validateKeys(boardObject, boardKeyInfoList, errorString)) {
            qWarning() << errorString;
            return;
        }

        BoardInfo_t boardInfo;
        boardInfo.vendorId = boardObject[_jsonVendorIDKey].toInt();
        boardInfo.productId = boardObject[_jsonProductIDKey].toInt();
        boardInfo.name = boardObject[_jsonNameKey].toString();
        boardInfo.boardType = _boardClassStringToType(boardObject[_jsonBoardClassKey].toString());

        if (boardInfo.boardType == BoardTypeUnknown) {
            qWarning() << "Bad board class" << boardObject[_jsonBoardClassKey].toString();
            return;
        }

        _boardInfoList.append(boardInfo);
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    }

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    // Load board fallback info used to detect known boards from description string match
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    QList<JsonHelper::KeyValidateInfo> fallbackKeyInfoList = {
        { _jsonRegExpKey,       QJsonValue::String, true },
        { _jsonBoardClassKey,   QJsonValue::String, true },
        { _jsonAndroidOnlyKey,  QJsonValue::Bool,   false },
    };
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    QJsonArray rgBoardFallback = json[_jsonBoardDescriptionFallbackKey].toArray();
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    for (int i=0; i<rgBoardFallback.count(); i++) {
        const QJsonValue& jsonValue = rgBoardFallback[i];
        if (!jsonValue.isObject()) {
            qWarning() << "Entry in boardFallback array is not object";
            return;
        }

        QJsonObject  fallbackObject = jsonValue.toObject();
        if (!JsonHelper::validateKeys(fallbackObject, fallbackKeyInfoList, errorString)) {
            qWarning() << errorString;
            return;
        }

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        BoardRegExpFallback_t boardFallback;
        boardFallback.regExp =      fallbackObject[_jsonRegExpKey].toString();
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        boardFallback.androidOnly = fallbackObject[_jsonAndroidOnlyKey].toBool(false);
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        boardFallback.boardType =   _boardClassStringToType(fallbackObject[_jsonBoardClassKey].toString());
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        if (boardFallback.boardType == BoardTypeUnknown) {
            qWarning() << "Bad board class" << fallbackObject[_jsonBoardClassKey].toString();
            return;
        }

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        _boardDescriptionFallbackList.append(boardFallback);
    }

    rgBoardFallback = json[_jsonBoardManufacturerFallbackKey].toArray();
    for (int i=0; i<rgBoardFallback.count(); i++) {
        const QJsonValue& jsonValue = rgBoardFallback[i];
        if (!jsonValue.isObject()) {
            qWarning() << "Entry in boardFallback array is not object";
            return;
        }

        QJsonObject  fallbackObject = jsonValue.toObject();
        if (!JsonHelper::validateKeys(fallbackObject, fallbackKeyInfoList, errorString)) {
            qWarning() << errorString;
            return;
        }

        BoardRegExpFallback_t boardFallback;
        boardFallback.regExp =      fallbackObject[_jsonRegExpKey].toString();
        boardFallback.androidOnly = fallbackObject[_jsonAndroidOnlyKey].toBool(false);
        boardFallback.boardType =   _boardClassStringToType(fallbackObject[_jsonBoardClassKey].toString());

        if (boardFallback.boardType == BoardTypeUnknown) {
            qWarning() << "Bad board class" << fallbackObject[_jsonBoardClassKey].toString();
            return;
        }

        _boardManufacturerFallbackList.append(boardFallback);
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    }
}

QGCSerialPortInfo::BoardType_t QGCSerialPortInfo::_boardClassStringToType(const QString& boardClass)
{
    for (size_t j=0; j<sizeof(_rgBoardClass2BoardType)/sizeof(_rgBoardClass2BoardType[0]); j++) {
        if (boardClass == _rgBoardClass2BoardType[j].classString) {
            return _rgBoardClass2BoardType[j].boardType;
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        }
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    }

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    return BoardTypeUnknown;
}

bool QGCSerialPortInfo::getBoardInfo(QGCSerialPortInfo::BoardType_t& boardType, QString& name) const
{
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    boardType = BoardTypeUnknown;

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    _loadJsonData();

    if (isNull()) {
        return false;
    }

    for (int i=0; i<_boardInfoList.count(); i++) {
        const BoardInfo_t& boardInfo = _boardInfoList[i];

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        if (vendorIdentifier() == boardInfo.vendorId && (productIdentifier() == boardInfo.productId || boardInfo.productId == 0)) {
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            boardType = boardInfo.boardType;
            name = boardInfo.name;
            return true;
        }
    }

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    if (boardType == BoardTypeUnknown) {
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        // Fall back to port description matching and then manufactrure name matching

        for (int i=0; i<_boardDescriptionFallbackList.count(); i++) {
            const BoardRegExpFallback_t& boardFallback = _boardDescriptionFallbackList[i];
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            if (description().contains(QRegExp(boardFallback.regExp, Qt::CaseInsensitive))) {
#ifndef __android
                if (boardFallback.androidOnly) {
                    continue;
                }
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#endif
                boardType = boardFallback.boardType;
                name = _boardTypeToString(boardType);
                return true;
            }
        }

        for (int i=0; i<_boardManufacturerFallbackList.count(); i++) {
            const BoardRegExpFallback_t& boardFallback = _boardManufacturerFallbackList[i];

            if (manufacturer().contains(QRegExp(boardFallback.regExp, Qt::CaseInsensitive))) {
#ifndef __android
                if (boardFallback.androidOnly) {
                    continue;
                }
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#endif
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                boardType = boardFallback.boardType;
                name = _boardTypeToString(boardType);
                return true;
            }
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        }
    }

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    return false;
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}

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QString QGCSerialPortInfo::_boardTypeToString(BoardType_t boardType)
{
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    QString unknown = QObject::tr("Unknown");

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    switch (boardType) {
    case BoardTypePixhawk:
        return QObject::tr("Pixhawk");
    case BoardTypeSiKRadio:
        return QObject::tr("SiK Radio");
    case BoardTypePX4Flow:
        return QObject::tr("PX4 Flow");
    case BoardTypeOpenPilot:
        return QObject::tr("OpenPilot");
    case BoardTypeRTKGPS:
        return QObject::tr("RTK GPS");
    case BoardTypeUnknown:
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        return unknown;
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    }
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    return unknown;
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}


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QList<QGCSerialPortInfo> QGCSerialPortInfo::availablePorts(void)
{
    QList<QGCSerialPortInfo>    list;

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    for(QSerialPortInfo portInfo: QSerialPortInfo::availablePorts()) {
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        if (!isSystemPort(&portInfo)) {
            list << *((QGCSerialPortInfo*)&portInfo);
        }
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    }

    return list;
}

bool QGCSerialPortInfo::isBootloader(void) const
{
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    BoardType_t boardType;
    QString     name;

    if (getBoardInfo(boardType, name)) {
        // FIXME: Check SerialLink bootloade detect code which is different
        return boardType == BoardTypePixhawk && description().contains("BL");
    } else {
        return false;
    }
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}
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bool QGCSerialPortInfo::isSystemPort(QSerialPortInfo* port)
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{
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    // Known operating system peripherals that are NEVER a peripheral
    // that we should connect to.

    // XXX Add Linux (LTE modems, etc) and Windows as needed

    // MAC OS
    if (port->systemLocation().contains("tty.MALS")
        || port->systemLocation().contains("tty.SOC")
        || port->systemLocation().contains("tty.Bluetooth-Incoming-Port")
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        // We open these by their cu.usbserial and cu.usbmodem handles
        // already. We don't want to open them twice and conflict
        // with ourselves.
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        || port->systemLocation().contains("tty.usbserial")
        || port->systemLocation().contains("tty.usbmodem")) {
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        return true;
    }
    return false;
}

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bool QGCSerialPortInfo::canFlash(void) const
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{
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    BoardType_t boardType;
    QString     name;
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    if (getBoardInfo(boardType, name)) {
        switch(boardType){
        case QGCSerialPortInfo::BoardTypePixhawk:
        case QGCSerialPortInfo::BoardTypePX4Flow:
        case QGCSerialPortInfo::BoardTypeSiKRadio:
            return true;
        default:
            return false;
        }
    } else {
        return false;
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    }
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}