FirmwareUpgradeController.cc 40.6 KB
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/*=====================================================================
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 QGroundControl Open Source Ground Control Station
 
 (c) 2009, 2015 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>
 
 This file is part of the QGROUNDCONTROL project
 
 QGROUNDCONTROL is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation, either version 3 of the License, or
 (at your option) any later version.
 
 QGROUNDCONTROL is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
 along with QGROUNDCONTROL. If not, see <http://www.gnu.org/licenses/>.
 
 ======================================================================*/

/// @file
///     @brief PX4 Firmware Upgrade UI
///     @author Don Gagne <don@thegagnes.com>

#include "FirmwareUpgradeController.h"
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#include "Bootloader.h"
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#include "QGCFileDialog.h"
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#include "QGCApplication.h"
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#include "QGCFileDownload.h"
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#include <QStandardPaths>
#include <QRegularExpression>

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struct FirmwareToUrlElement_t {
    FirmwareUpgradeController::AutoPilotStackType_t    stackType;
    FirmwareUpgradeController::FirmwareType_t          firmwareType;
    FirmwareUpgradeController::FirmwareVehicleType_t   vehicleType;
    QString                                            url;
};

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uint qHash(const FirmwareUpgradeController::FirmwareIdentifier& firmwareId)
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{
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    return ( firmwareId.autopilotStackType |
             (firmwareId.firmwareType << 8) |
             (firmwareId.firmwareVehicleType << 16) );
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}

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/// @Brief Constructs a new FirmwareUpgradeController Widget. This widget is used within the PX4VehicleConfig set of screens.
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FirmwareUpgradeController::FirmwareUpgradeController(void)
    : _downloadManager(NULL)
    , _downloadNetworkReply(NULL)
    , _statusLog(NULL)
    , _selectedFirmwareType(StableFirmware)
    , _image(NULL)
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{
    _threadController = new PX4FirmwareUpgradeThreadController(this);
    Q_CHECK_PTR(_threadController);

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    connect(_threadController, &PX4FirmwareUpgradeThreadController::foundBoard,             this, &FirmwareUpgradeController::_foundBoard);
    connect(_threadController, &PX4FirmwareUpgradeThreadController::noBoardFound,           this, &FirmwareUpgradeController::_noBoardFound);
    connect(_threadController, &PX4FirmwareUpgradeThreadController::boardGone,              this, &FirmwareUpgradeController::_boardGone);
    connect(_threadController, &PX4FirmwareUpgradeThreadController::foundBootloader,        this, &FirmwareUpgradeController::_foundBootloader);
    connect(_threadController, &PX4FirmwareUpgradeThreadController::bootloaderSyncFailed,   this, &FirmwareUpgradeController::_bootloaderSyncFailed);
    connect(_threadController, &PX4FirmwareUpgradeThreadController::error,                  this, &FirmwareUpgradeController::_error);
    connect(_threadController, &PX4FirmwareUpgradeThreadController::updateProgress,         this, &FirmwareUpgradeController::_updateProgress);
    connect(_threadController, &PX4FirmwareUpgradeThreadController::status,                 this, &FirmwareUpgradeController::_status);
    connect(_threadController, &PX4FirmwareUpgradeThreadController::eraseStarted,           this, &FirmwareUpgradeController::_eraseStarted);
    connect(_threadController, &PX4FirmwareUpgradeThreadController::eraseComplete,          this, &FirmwareUpgradeController::_eraseComplete);
    connect(_threadController, &PX4FirmwareUpgradeThreadController::flashComplete,          this, &FirmwareUpgradeController::_flashComplete);
    connect(_threadController, &PX4FirmwareUpgradeThreadController::updateProgress,         this, &FirmwareUpgradeController::_updateProgress);
    
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    connect(&_eraseTimer, &QTimer::timeout, this, &FirmwareUpgradeController::_eraseProgressTick);
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    _initFirmwareHash();
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}

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FirmwareUpgradeController::~FirmwareUpgradeController()
{
    qgcApp()->toolbox()->linkManager()->setConnectionsAllowed();
}

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void FirmwareUpgradeController::startBoardSearch(void)
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{
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    LinkManager* linkMgr = qgcApp()->toolbox()->linkManager();

    linkMgr->setConnectionsSuspended(tr("Connect not allowed during Firmware Upgrade."));

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    // FIXME: Why did we get here with active vehicle?
    if (!qgcApp()->toolbox()->multiVehicleManager()->activeVehicle()) {
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        // We have to disconnect any inactive links
        linkMgr->disconnectAll();
    }
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    _bootloaderFound = false;
    _startFlashWhenBootloaderFound = false;
    _threadController->startFindBoardLoop();
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}

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void FirmwareUpgradeController::flash(AutoPilotStackType_t stackType,
                                      FirmwareType_t firmwareType,
                                      FirmwareVehicleType_t vehicleType)
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{
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    FirmwareIdentifier firmwareId = FirmwareIdentifier(stackType, firmwareType, vehicleType);
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    if (_bootloaderFound) {
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        _getFirmwareFile(firmwareId);
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    } else {
        // We haven't found the bootloader yet. Need to wait until then to flash
        _startFlashWhenBootloaderFound = true;
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        _startFlashWhenBootloaderFoundFirmwareIdentity = firmwareId;
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    }
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}

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void FirmwareUpgradeController::flash(const FirmwareIdentifier& firmwareId)
{
    flash(firmwareId.autopilotStackType, firmwareId.firmwareType, firmwareId.firmwareVehicleType);
}

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void FirmwareUpgradeController::cancel(void)
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{
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    _eraseTimer.stop();
    _threadController->cancel();
}
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void FirmwareUpgradeController::_foundBoard(bool firstAttempt, const QSerialPortInfo& info, int boardType)
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{
    _foundBoardInfo = info;
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    _foundBoardType = (QGCSerialPortInfo::BoardType_t)boardType;

    switch (boardType) {
    case QGCSerialPortInfo::BoardTypePX4FMUV1:
        _foundBoardTypeName = "PX4 FMU V1";
        _startFlashWhenBootloaderFound = false;
        break;
    case QGCSerialPortInfo::BoardTypePX4FMUV2:
    case QGCSerialPortInfo::BoardTypePX4FMUV4:
        _foundBoardTypeName = "Pixhawk";
        _startFlashWhenBootloaderFound = false;
        break;
    case QGCSerialPortInfo::BoardTypeAeroCore:
        _foundBoardTypeName = "AeroCore";
        _startFlashWhenBootloaderFound = false;
        break;
    case QGCSerialPortInfo::BoardTypePX4Flow:
        _foundBoardTypeName = "PX4 Flow";
        _startFlashWhenBootloaderFound = false;
        break;
    case QGCSerialPortInfo::BoardType3drRadio:
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        _foundBoardTypeName = "SiK Radio";
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        if (!firstAttempt) {
            // Radio always flashes latest firmware, so we can start right away without
            // any further user input.
            _startFlashWhenBootloaderFound = true;
            _startFlashWhenBootloaderFoundFirmwareIdentity = FirmwareIdentifier(ThreeDRRadio,
                                                                                StableFirmware,
                                                                                DefaultVehicleFirmware);
        }
        break;
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    }
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    qCDebug(FirmwareUpgradeLog) << _foundBoardType;
    emit boardFound();
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    _loadAPMVersions(_foundBoardType);
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}

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void FirmwareUpgradeController::_noBoardFound(void)
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{
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    emit noBoardFound();
}

void FirmwareUpgradeController::_boardGone(void)
{
    emit boardGone();
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}

/// @brief Called when the bootloader is connected to by the findBootloader process. Moves the state machine
///         to the next step.
void FirmwareUpgradeController::_foundBootloader(int bootloaderVersion, int boardID, int flashSize)
{
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    _bootloaderFound = true;
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    _bootloaderVersion = bootloaderVersion;
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    _bootloaderBoardID = boardID;
    _bootloaderBoardFlashSize = flashSize;
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    _appendStatusLog("Connected to bootloader:");
    _appendStatusLog(QString("  Version: %1").arg(_bootloaderVersion));
    _appendStatusLog(QString("  Board ID: %1").arg(_bootloaderBoardID));
    _appendStatusLog(QString("  Flash size: %1").arg(_bootloaderBoardFlashSize));
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    if (_startFlashWhenBootloaderFound) {
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        flash(_startFlashWhenBootloaderFoundFirmwareIdentity);
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    }
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}


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/// @brief intializes the firmware hashes with proper urls.
/// This happens only once for a class instance first time when it is needed.
void FirmwareUpgradeController::_initFirmwareHash()
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{
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    // indirect check whether this function has been called before or not
    // may have to be modified if _rgPX4FMUV2Firmware disappears
    if (!_rgPX4FMUV2Firmware.isEmpty()) {
        return;
    }
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    //////////////////////////////////// PX4FMUV4 firmwares //////////////////////////////////////////////////
    FirmwareToUrlElement_t rgPX4FMV4FirmwareArray[] = {
        { AutoPilotStackPX4, StableFirmware,    DefaultVehicleFirmware, "http://px4-travis.s3.amazonaws.com/Firmware/stable/px4fmu-v4_default.px4"},
        { AutoPilotStackPX4, BetaFirmware,      DefaultVehicleFirmware, "http://px4-travis.s3.amazonaws.com/Firmware/beta/px4fmu-v4_default.px4"},
        { AutoPilotStackPX4, DeveloperFirmware, DefaultVehicleFirmware, "http://px4-travis.s3.amazonaws.com/Firmware/master/px4fmu-v4_default.px4"},
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        { AutoPilotStackAPM, StableFirmware,    QuadFirmware,           "http://firmware.ardupilot.org/Copter/stable/PX4-quad/ArduCopter-v4.px4"},
        { AutoPilotStackAPM, BetaFirmware,      QuadFirmware,           "http://firmware.ardupilot.org/Copter/beta/PX4-quad/ArduCopter-v4.px4"},
        { AutoPilotStackAPM, DeveloperFirmware, QuadFirmware,           "http://firmware.ardupilot.org/Copter/latest/PX4-quad/ArduCopter-v4.px4"}
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    };

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    //////////////////////////////////// PX4FMUV2 firmwares //////////////////////////////////////////////////
    FirmwareToUrlElement_t rgPX4FMV2FirmwareArray[] = {
        { AutoPilotStackPX4, StableFirmware,    DefaultVehicleFirmware, "http://px4-travis.s3.amazonaws.com/Firmware/stable/px4fmu-v2_default.px4"},
        { AutoPilotStackPX4, BetaFirmware,      DefaultVehicleFirmware, "http://px4-travis.s3.amazonaws.com/Firmware/beta/px4fmu-v2_default.px4"},
        { AutoPilotStackPX4, DeveloperFirmware, DefaultVehicleFirmware, "http://px4-travis.s3.amazonaws.com/Firmware/master/px4fmu-v2_default.px4"},
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        { AutoPilotStackAPM, StableFirmware,    QuadFirmware,           "http://firmware.ardupilot.org/Copter/stable/PX4-quad/ArduCopter-v2.px4"},
        { AutoPilotStackAPM, StableFirmware,    X8Firmware,             "http://firmware.ardupilot.org/Copter/stable/PX4-octa-quad/ArduCopter-v2.px4"},
        { AutoPilotStackAPM, StableFirmware,    HexaFirmware,           "http://firmware.ardupilot.org/Copter/stable/PX4-hexa/ArduCopter-v2.px4"},
        { AutoPilotStackAPM, StableFirmware,    OctoFirmware,           "http://firmware.ardupilot.org/Copter/stable/PX4-octa/ArduCopter-v2.px4"},
        { AutoPilotStackAPM, StableFirmware,    YFirmware,              "http://firmware.ardupilot.org/Copter/stable/PX4-tri/ArduCopter-v2.px4"},
        { AutoPilotStackAPM, StableFirmware,    Y6Firmware,             "http://firmware.ardupilot.org/Copter/stable/PX4-y6/ArduCopter-v2.px4"},
        { AutoPilotStackAPM, StableFirmware,    HeliFirmware,           "http://firmware.ardupilot.org/Copter/stable/PX4-heli/ArduCopter-v2.px4"},
        { AutoPilotStackAPM, StableFirmware,    PlaneFirmware,          "http://firmware.ardupilot.org/Plane/stable/PX4/ArduPlane-v2.px4"},
        { AutoPilotStackAPM, StableFirmware,    RoverFirmware,          "http://firmware.ardupilot.org/Rover/stable/PX4/APMrover2-v2.px4"},
        { AutoPilotStackAPM, BetaFirmware,      QuadFirmware,           "http://firmware.ardupilot.org/Copter/beta/PX4-quad/ArduCopter-v2.px4"},
        { AutoPilotStackAPM, BetaFirmware,      X8Firmware,             "http://firmware.ardupilot.org/Copter/beta/PX4-octa-quad/ArduCopter-v2.px4"},
        { AutoPilotStackAPM, BetaFirmware,      HexaFirmware,           "http://firmware.ardupilot.org/Copter/beta/PX4-hexa/ArduCopter-v2.px4"},
        { AutoPilotStackAPM, BetaFirmware,      OctoFirmware,           "http://firmware.ardupilot.org/Copter/beta/PX4-octa/ArduCopter-v2.px4"},
        { AutoPilotStackAPM, BetaFirmware,      YFirmware,              "http://firmware.ardupilot.org/Copter/beta/PX4-tri/ArduCopter-v2.px4"},
        { AutoPilotStackAPM, BetaFirmware,      Y6Firmware,             "http://firmware.ardupilot.org/Copter/beta/PX4-y6/ArduCopter-v2.px4"},
        { AutoPilotStackAPM, BetaFirmware,      HeliFirmware,           "http://firmware.ardupilot.org/Copter/beta/PX4-heli/ArduCopter-v2.px4"},
        { AutoPilotStackAPM, BetaFirmware,      PlaneFirmware,          "http://firmware.ardupilot.org/Plane/beta/PX4/ArduPlane-v2.px4"},
        { AutoPilotStackAPM, BetaFirmware,      RoverFirmware,          "http://firmware.ardupilot.org/Rover/beta/PX4/APMrover2-v2.px4"},
        { AutoPilotStackAPM, DeveloperFirmware, QuadFirmware,           "http://firmware.ardupilot.org/Copter/latest/PX4-quad/ArduCopter-v2.px4"},
        { AutoPilotStackAPM, DeveloperFirmware, X8Firmware,             "http://firmware.ardupilot.org/Copter/latest/PX4-octa-quad/ArduCopter-v2.px4"},
        { AutoPilotStackAPM, DeveloperFirmware, HexaFirmware,           "http://firmware.ardupilot.org/Copter/latest/PX4-hexa/ArduCopter-v2.px4"},
        { AutoPilotStackAPM, DeveloperFirmware, OctoFirmware,           "http://firmware.ardupilot.org/Copter/latest/PX4-octa/ArduCopter-v2.px4"},
        { AutoPilotStackAPM, DeveloperFirmware, YFirmware,              "http://firmware.ardupilot.org/Copter/latest/PX4-tri/ArduCopter-v2.px4"},
        { AutoPilotStackAPM, DeveloperFirmware, Y6Firmware,             "http://firmware.ardupilot.org/Copter/latest/PX4-y6/ArduCopter-v2.px4"},
        { AutoPilotStackAPM, DeveloperFirmware, HeliFirmware,           "http://firmware.ardupilot.org/Copter/latest/PX4-heli/ArduCopter-v2.px4"},
        { AutoPilotStackAPM, DeveloperFirmware, PlaneFirmware,          "http://firmware.ardupilot.org/Plane/latest/PX4/ArduPlane-v2.px4"},
        { AutoPilotStackAPM, DeveloperFirmware, RoverFirmware,          "http://firmware.ardupilot.org/Rover/latest/PX4/APMrover2-v2.px4"}
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    };

    //////////////////////////////////// PX4FMU aerocore firmwares //////////////////////////////////////////////////
    FirmwareToUrlElement_t  rgAeroCoreFirmwareArray[] = {
        { AutoPilotStackPX4, StableFirmware,    DefaultVehicleFirmware, "http://gumstix-aerocore.s3.amazonaws.com/PX4/stable/aerocore_default.px4"},
        { AutoPilotStackPX4, BetaFirmware,      DefaultVehicleFirmware, "http://gumstix-aerocore.s3.amazonaws.com/PX4/beta/aerocore_default.px4"},
        { AutoPilotStackPX4, DeveloperFirmware, DefaultVehicleFirmware, "http://gumstix-aerocore.s3.amazonaws.com/PX4/master/aerocore_default.px4"},
        { AutoPilotStackAPM, StableFirmware,    QuadFirmware,           "http://gumstix-aerocore.s3.amazonaws.com/APM/Copter/stable/PX4-quad/ArduCopter-v2.px4"},
        { AutoPilotStackAPM, StableFirmware,    X8Firmware,             "http://gumstix-aerocore.s3.amazonaws.com/Copter/stable/PX4-octa-quad/ArduCopter-v2.px4"},
        { AutoPilotStackAPM, StableFirmware,    HexaFirmware,           "http://gumstix-aerocore.s3.amazonaws.com/Copter/stable/PX4-hexa/ArduCopter-v2.px4"},
        { AutoPilotStackAPM, StableFirmware,    OctoFirmware,           "http://gumstix-aerocore.s3.amazonaws.com/Copter/stable/PX4-octa/ArduCopter-v2.px4"},
        { AutoPilotStackAPM, StableFirmware,    YFirmware,              "http://gumstix-aerocore.s3.amazonaws.com/Copter/stable/PX4-tri/ArduCopter-v2.px4"},
        { AutoPilotStackAPM, StableFirmware,    Y6Firmware,             "http://gumstix-aerocore.s3.amazonaws.com/Copter/stable/PX4-y6/ArduCopter-v2.px4"},
        { AutoPilotStackAPM, StableFirmware,    HeliFirmware,           "http://gumstix-aerocore.s3.amazonaws.com/Copter/stable/PX4-heli/ArduCopter-v2.px4"},
        { AutoPilotStackAPM, StableFirmware,    PlaneFirmware,          "http://gumstix-aerocore.s3.amazonaws.com/Plane/stable/PX4/ArduPlane-v2.px4"},
        { AutoPilotStackAPM, StableFirmware,    RoverFirmware,          "http://gumstix-aerocore.s3.amazonaws.com/Rover/stable/PX4/APMrover2-v2.px4"},
        { AutoPilotStackAPM, BetaFirmware,      QuadFirmware,           "http://gumstix-aerocore.s3.amazonaws.com/Copter/beta/PX4-quad/ArduCopter-v2.px4"},
        { AutoPilotStackAPM, BetaFirmware,      X8Firmware,             "http://gumstix-aerocore.s3.amazonaws.com/Copter/beta/PX4-octa-quad/ArduCopter-v2.px4"},
        { AutoPilotStackAPM, BetaFirmware,      HexaFirmware,           "http://gumstix-aerocore.s3.amazonaws.com/Copter/beta/PX4-hexa/ArduCopter-v2.px4"},
        { AutoPilotStackAPM, BetaFirmware,      OctoFirmware,           "http://gumstix-aerocore.s3.amazonaws.com/Copter/beta/PX4-octa/ArduCopter-v2.px4"},
        { AutoPilotStackAPM, BetaFirmware,      YFirmware,              "http://gumstix-aerocore.s3.amazonaws.com/Copter/beta/PX4-tri/ArduCopter-v2.px4"},
        { AutoPilotStackAPM, BetaFirmware,      Y6Firmware,             "http://gumstix-aerocore.s3.amazonaws.com/Copter/beta/PX4-y6/ArduCopter-v2.px4"},
        { AutoPilotStackAPM, BetaFirmware,      HeliFirmware,           "http://gumstix-aerocore.s3.amazonaws.com/Copter/beta/PX4-heli/ArduCopter-v2.px4"},
        { AutoPilotStackAPM, BetaFirmware,      PlaneFirmware,          "http://gumstix-aerocore.s3.amazonaws.com/Plane/beta/PX4/ArduPlane-v2.px4"},
        { AutoPilotStackAPM, BetaFirmware,      RoverFirmware,          "http://gumstix-aerocore.s3.amazonaws.com/Rover/beta/PX4/APMrover2-v2.px4"},
        { AutoPilotStackAPM, DeveloperFirmware, QuadFirmware,           "http://gumstix-aerocore.s3.amazonaws.com/Copter/latest/PX4-quad/ArduCopter-v2.px4"},
        { AutoPilotStackAPM, DeveloperFirmware, X8Firmware,             "http://gumstix-aerocore.s3.amazonaws.com/Copter/latest/PX4-octa-quad/ArduCopter-v2.px4"},
        { AutoPilotStackAPM, DeveloperFirmware, HexaFirmware,           "http://gumstix-aerocore.s3.amazonaws.com/Copter/latest/PX4-hexa/ArduCopter-v2.px4"},
        { AutoPilotStackAPM, DeveloperFirmware, OctoFirmware,           "http://gumstix-aerocore.s3.amazonaws.com/Copter/latest/PX4-octa/ArduCopter-v2.px4"},
        { AutoPilotStackAPM, DeveloperFirmware, YFirmware,              "http://gumstix-aerocore.s3.amazonaws.com/Copter/latest/PX4-tri/ArduCopter-v2.px4"},
        { AutoPilotStackAPM, DeveloperFirmware, Y6Firmware,             "http://gumstix-aerocore.s3.amazonaws.com/Copter/latest/PX4-y6/ArduCopter-v2.px4"},
        { AutoPilotStackAPM, DeveloperFirmware, HeliFirmware,           "http://gumstix-aerocore.s3.amazonaws.com/Copter/latest/PX4-heli/ArduCopter-v2.px4"},
        { AutoPilotStackAPM, DeveloperFirmware, PlaneFirmware,          "http://gumstix-aerocore.s3.amazonaws.com/Plane/latest/PX4/ArduPlane-v2.px4"},
        { AutoPilotStackAPM, DeveloperFirmware, RoverFirmware,          "http://gumstix-aerocore.s3.amazonaws.com/Rover/latest/PX4/APMrover2-v2.px4"}
    };
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    /////////////////////////////// FMUV1 firmwares ///////////////////////////////////////////
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    FirmwareToUrlElement_t rgPX4FMUV1FirmwareArray[] = {
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        { AutoPilotStackPX4, StableFirmware,    DefaultVehicleFirmware, "http://px4-travis.s3.amazonaws.com/Firmware/stable/px4fmu-v1_default.px4"},
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        { AutoPilotStackPX4, BetaFirmware,      DefaultVehicleFirmware, "http://px4-travis.s3.amazonaws.com/Firmware/beta/px4fmu-v1_default.px4"},
        { AutoPilotStackPX4, DeveloperFirmware, DefaultVehicleFirmware, "http://px4-travis.s3.amazonaws.com/Firmware/master/px4fmu-v1_default.px4"},
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        { AutoPilotStackAPM, StableFirmware,    QuadFirmware,           "http://firmware.ardupilot.org/Copter/stable/PX4-quad/ArduCopter-v1.px4"},
        { AutoPilotStackAPM, StableFirmware,    X8Firmware,             "http://firmware.ardupilot.org/Copter/stable/PX4-octa-quad/ArduCopter-v1.px4"},
        { AutoPilotStackAPM, StableFirmware,    HexaFirmware,           "http://firmware.ardupilot.org/Copter/stable/PX4-hexa/ArduCopter-v1.px4"},
        { AutoPilotStackAPM, StableFirmware,    OctoFirmware,           "http://firmware.ardupilot.org/Copter/stable/PX4-octa/ArduCopter-v1.px4"},
        { AutoPilotStackAPM, StableFirmware,    YFirmware,              "http://firmware.ardupilot.org/Copter/stable/PX4-tri/ArduCopter-v1.px4"},
        { AutoPilotStackAPM, StableFirmware,    Y6Firmware,             "http://firmware.ardupilot.org/Copter/stable/PX4-y6/ArduCopter-v1.px4"},
        { AutoPilotStackAPM, StableFirmware,    HeliFirmware,           "http://firmware.ardupilot.org/Copter/stable/PX4-heli/ArduCopter-v1.px4"},
        { AutoPilotStackAPM, StableFirmware,    PlaneFirmware,          "http://firmware.ardupilot.org/Plane/stable/PX4/ArduPlane-v1.px4"},
        { AutoPilotStackAPM, StableFirmware,    RoverFirmware,          "http://firmware.ardupilot.org/Rover/stable/PX4/APMrover2-v1.px4"},
        { AutoPilotStackAPM, BetaFirmware,      QuadFirmware,           "http://firmware.ardupilot.org/Copter/beta/PX4-quad/ArduCopter-v1.px4"},
        { AutoPilotStackAPM, BetaFirmware,      X8Firmware,             "http://firmware.ardupilot.org/Copter/beta/PX4-octa-quad/ArduCopter-v1.px4"},
        { AutoPilotStackAPM, BetaFirmware,      HexaFirmware,           "http://firmware.ardupilot.org/Copter/beta/PX4-hexa/ArduCopter-v1.px4"},
        { AutoPilotStackAPM, BetaFirmware,      OctoFirmware,           "http://firmware.ardupilot.org/Copter/beta/PX4-octa/ArduCopter-v1.px4"},
        { AutoPilotStackAPM, BetaFirmware,      YFirmware,              "http://firmware.ardupilot.org/Copter/beta/PX4-tri/ArduCopter-v1.px4"},
        { AutoPilotStackAPM, BetaFirmware,      Y6Firmware,             "http://firmware.ardupilot.org/Copter/beta/PX4-y6/ArduCopter-v1.px4"},
        { AutoPilotStackAPM, BetaFirmware,      HeliFirmware,           "http://firmware.ardupilot.org/Copter/beta/PX4-heli/ArduCopter-v1.px4"},
        { AutoPilotStackAPM, BetaFirmware,      PlaneFirmware,          "http://firmware.ardupilot.org/Plane/beta/PX4/ArduPlane-v1.px4"},
        { AutoPilotStackAPM, BetaFirmware,      RoverFirmware,          "http://firmware.ardupilot.org/Rover/beta/PX4/APMrover2-v1.px4"},
        { AutoPilotStackAPM, DeveloperFirmware, QuadFirmware,           "http://firmware.ardupilot.org/Copter/latest/PX4-quad/ArduCopter-v1.px4"},
        { AutoPilotStackAPM, DeveloperFirmware, X8Firmware,             "http://firmware.ardupilot.org/Copter/latest/PX4-octa-quad/ArduCopter-v1.px4"},
        { AutoPilotStackAPM, DeveloperFirmware, HexaFirmware,           "http://firmware.ardupilot.org/Copter/latest/PX4-hexa/ArduCopter-v1.px4"},
        { AutoPilotStackAPM, DeveloperFirmware, OctoFirmware,           "http://firmware.ardupilot.org/Copter/latest/PX4-octa/ArduCopter-v1.px4"},
        { AutoPilotStackAPM, DeveloperFirmware, YFirmware,              "http://firmware.ardupilot.org/Copter/latest/PX4-tri/ArduCopter-v1.px4"},
        { AutoPilotStackAPM, DeveloperFirmware, Y6Firmware,             "http://firmware.ardupilot.org/Copter/latest/PX4-y6/ArduCopter-v1.px4"},
        { AutoPilotStackAPM, DeveloperFirmware, HeliFirmware,           "http://firmware.ardupilot.org/Copter/latest/PX4-heli/ArduCopter-v1.px4"},
        { AutoPilotStackAPM, DeveloperFirmware, PlaneFirmware,          "http://firmware.ardupilot.org/Plane/latest/PX4/ArduPlane-v1.px4"},
        { AutoPilotStackAPM, DeveloperFirmware, RoverFirmware,          "http://firmware.ardupilot.org/Rover/latest/PX4/APMrover2-v1.px4"}
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    };
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    /////////////////////////////// px4flow firmwares ///////////////////////////////////////
    FirmwareToUrlElement_t rgPX4FLowFirmwareArray[] = {
        { PX4Flow, StableFirmware, DefaultVehicleFirmware, "http://px4-travis.s3.amazonaws.com/Flow/master/px4flow.px4" },
    };

    /////////////////////////////// 3dr radio firmwares ///////////////////////////////////////
    FirmwareToUrlElement_t rg3DRRadioFirmwareArray[] = {
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        { ThreeDRRadio, StableFirmware, DefaultVehicleFirmware, "http://firmware.ardupilot.org/SiK/stable/radio~hm_trp.ihx"}
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    };

    // populate hashes now
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    int size = sizeof(rgPX4FMV4FirmwareArray)/sizeof(rgPX4FMV4FirmwareArray[0]);
    for (int i = 0; i < size; i++) {
        const FirmwareToUrlElement_t& element = rgPX4FMV4FirmwareArray[i];
        _rgPX4FMUV4Firmware.insert(FirmwareIdentifier(element.stackType, element.firmwareType, element.vehicleType), element.url);
    }

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    size = sizeof(rgPX4FMV2FirmwareArray)/sizeof(rgPX4FMV2FirmwareArray[0]);
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    for (int i = 0; i < size; i++) {
        const FirmwareToUrlElement_t& element = rgPX4FMV2FirmwareArray[i];
        _rgPX4FMUV2Firmware.insert(FirmwareIdentifier(element.stackType, element.firmwareType, element.vehicleType), element.url);
    }
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    size = sizeof(rgAeroCoreFirmwareArray)/sizeof(rgAeroCoreFirmwareArray[0]);
    for (int i = 0; i < size; i++) {
        const FirmwareToUrlElement_t& element = rgAeroCoreFirmwareArray[i];
        _rgAeroCoreFirmware.insert(FirmwareIdentifier(element.stackType, element.firmwareType, element.vehicleType), element.url);
    }
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    size = sizeof(rgPX4FMUV1FirmwareArray)/sizeof(rgPX4FMUV1FirmwareArray[0]);
    for (int i = 0; i < size; i++) {
        const FirmwareToUrlElement_t& element = rgPX4FMUV1FirmwareArray[i];
        _rgPX4FMUV1Firmware.insert(FirmwareIdentifier(element.stackType, element.firmwareType, element.vehicleType), element.url);
    }
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    size = sizeof(rgPX4FLowFirmwareArray)/sizeof(rgPX4FLowFirmwareArray[0]);
    for (int i = 0; i < size; i++) {
        const FirmwareToUrlElement_t& element = rgPX4FLowFirmwareArray[i];
        _rgPX4FLowFirmware.insert(FirmwareIdentifier(element.stackType, element.firmwareType, element.vehicleType), element.url);
    }
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    size = sizeof(rg3DRRadioFirmwareArray)/sizeof(rg3DRRadioFirmwareArray[0]);
    for (int i = 0; i < size; i++) {
        const FirmwareToUrlElement_t& element = rg3DRRadioFirmwareArray[i];
        _rg3DRRadioFirmware.insert(FirmwareIdentifier(element.stackType, element.firmwareType, element.vehicleType), element.url);
    }
}
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/// @brief Called when the findBootloader process is unable to sync to the bootloader. Moves the state
///         machine to the appropriate error state.
void FirmwareUpgradeController::_bootloaderSyncFailed(void)
{
    _errorCancel("Unable to sync with bootloader.");
}
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QHash<FirmwareUpgradeController::FirmwareIdentifier, QString>* FirmwareUpgradeController::_firmwareHashForBoardId(int boardId)
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{
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    switch (boardId) {
    case Bootloader::boardIDPX4FMUV1:
        return &_rgPX4FMUV1Firmware;
    case Bootloader::boardIDPX4Flow:
        return &_rgPX4FLowFirmware;
    case Bootloader::boardIDPX4FMUV2:
        return &_rgPX4FMUV2Firmware;
    case Bootloader::boardIDPX4FMUV4:
        return &_rgPX4FMUV4Firmware;
    case Bootloader::boardIDAeroCore:
        return &_rgAeroCoreFirmware;
    case Bootloader::boardID3DRRadio:
        return &_rg3DRRadioFirmware;
    default:
        return NULL;
    }
}
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QHash<FirmwareUpgradeController::FirmwareIdentifier, QString>* FirmwareUpgradeController::_firmwareHashForBoardType(QGCSerialPortInfo::BoardType_t boardType)
{
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    int boardId = Bootloader::boardIDPX4FMUV2;
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    switch (boardType) {
    case QGCSerialPortInfo::BoardTypePX4FMUV1:
        boardId = Bootloader::boardIDPX4FMUV1;
        break;
    case QGCSerialPortInfo::BoardTypePX4FMUV2:
        boardId = Bootloader::boardIDPX4FMUV2;
        break;
    case QGCSerialPortInfo::BoardTypePX4FMUV4:
        boardId = Bootloader::boardIDPX4FMUV4;
        break;
    case QGCSerialPortInfo::BoardTypeAeroCore:
        boardId = Bootloader::boardIDAeroCore;
        break;
    case QGCSerialPortInfo::BoardTypePX4Flow:
        boardId = Bootloader::boardIDPX4Flow;
        break;
    case QGCSerialPortInfo::BoardType3drRadio:
        boardId = Bootloader::boardID3DRRadio;
        break;
    case QGCSerialPortInfo::BoardTypeUnknown:
        qWarning() << "Internal error";
        boardId = Bootloader::boardIDPX4FMUV2;
        break;
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    }
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    return _firmwareHashForBoardId(boardId);
}


/// @brief Prompts the user to select a firmware file if needed and moves the state machine to the next state.
void FirmwareUpgradeController::_getFirmwareFile(FirmwareIdentifier firmwareId)
{
    QHash<FirmwareIdentifier, QString>* prgFirmware = _firmwareHashForBoardId(_bootloaderBoardID);
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    if (!prgFirmware && firmwareId.firmwareType != CustomFirmware) {
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        _errorCancel("Attempting to flash an unknown board type, you must select 'Custom firmware file'");
        return;
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    }
    
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    if (firmwareId.firmwareType == CustomFirmware) {
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        _firmwareFilename = QGCFileDialog::getOpenFileName(NULL,                                                                // Parent to main window
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                                                           "Select Firmware File",                                              // Dialog Caption
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                                                           QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation), // Initial directory
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                                                           "Firmware Files (*.px4 *.bin *.ihx)");                               // File filter
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    } else {
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        if (prgFirmware->contains(firmwareId)) {
            _firmwareFilename = prgFirmware->value(firmwareId);
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        } else {
            _errorCancel("Unable to find specified firmware download location");
            return;
        }
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    }
    
    if (_firmwareFilename.isEmpty()) {
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        _errorCancel("No firmware file selected");
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    } else {
        _downloadFirmware();
    }
}

/// @brief Begins the process of downloading the selected firmware file.
void FirmwareUpgradeController::_downloadFirmware(void)
{
    Q_ASSERT(!_firmwareFilename.isEmpty());
    
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    _appendStatusLog("Downloading firmware...");
    _appendStatusLog(QString(" From: %1").arg(_firmwareFilename));
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    // Split out filename from path
    QString firmwareFilename = QFileInfo(_firmwareFilename).fileName();
    Q_ASSERT(!firmwareFilename.isEmpty());
    
    // Determine location to download file to
    QString downloadFile = QStandardPaths::writableLocation(QStandardPaths::TempLocation);
    if (downloadFile.isEmpty()) {
        downloadFile = QStandardPaths::writableLocation(QStandardPaths::DownloadLocation);
        if (downloadFile.isEmpty()) {
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            _errorCancel("Unabled to find writable download location. Tried downloads and temp directory.");
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            return;
        }
    }
    Q_ASSERT(!downloadFile.isEmpty());
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    downloadFile += "/"  + firmwareFilename;
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    QUrl firmwareUrl;
    if (_firmwareFilename.startsWith("http:")) {
        firmwareUrl.setUrl(_firmwareFilename);
    } else {
        firmwareUrl = QUrl::fromLocalFile(_firmwareFilename);
    }
    Q_ASSERT(firmwareUrl.isValid());
    
    QNetworkRequest networkRequest(firmwareUrl);
    
    // Store download file location in user attribute so we can retrieve when the download finishes
    networkRequest.setAttribute(QNetworkRequest::User, downloadFile);
    
    _downloadManager = new QNetworkAccessManager(this);
    Q_CHECK_PTR(_downloadManager);
    _downloadNetworkReply = _downloadManager->get(networkRequest);
    Q_ASSERT(_downloadNetworkReply);
    connect(_downloadNetworkReply, &QNetworkReply::downloadProgress, this, &FirmwareUpgradeController::_downloadProgress);
    connect(_downloadNetworkReply, &QNetworkReply::finished, this, &FirmwareUpgradeController::_downloadFinished);
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    connect(_downloadNetworkReply, static_cast<void (QNetworkReply::*)(QNetworkReply::NetworkError)>(&QNetworkReply::error),
            this, &FirmwareUpgradeController::_downloadError);
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}

/// @brief Updates the progress indicator while downloading
void FirmwareUpgradeController::_downloadProgress(qint64 curr, qint64 total)
{
    // Take care of cases where 0 / 0 is emitted as error return value
    if (total > 0) {
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        _progressBar->setProperty("value", (float)curr / (float)total);
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    }
}

/// @brief Called when the firmware download completes.
void FirmwareUpgradeController::_downloadFinished(void)
{
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    _appendStatusLog("Download complete");
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    QNetworkReply* reply = qobject_cast<QNetworkReply*>(QObject::sender());
    Q_ASSERT(reply);
    
    Q_ASSERT(_downloadNetworkReply == reply);
    
    _downloadManager->deleteLater();
    _downloadManager = NULL;
    
    // When an error occurs or the user cancels the download, we still end up here. So bail out in
    // those cases.
    if (reply->error() != QNetworkReply::NoError) {
        return;
    }
    
    // Download file location is in user attribute
    QString downloadFilename = reply->request().attribute(QNetworkRequest::User).toString();
    Q_ASSERT(!downloadFilename.isEmpty());
    
    // Store downloaded file in download location
    QFile file(downloadFilename);
    if (!file.open(QIODevice::WriteOnly)) {
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        _errorCancel(QString("Could not save downloaded file to %1. Error: %2").arg(downloadFilename).arg(file.errorString()));
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        return;
    }
    
    file.write(reply->readAll());
    file.close();
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    FirmwareImage* image = new FirmwareImage(this);
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    connect(image, &FirmwareImage::statusMessage, this, &FirmwareUpgradeController::_status);
    connect(image, &FirmwareImage::errorMessage, this, &FirmwareUpgradeController::_error);
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    if (!image->load(downloadFilename, _bootloaderBoardID)) {
        _errorCancel("Image load failed");
        return;
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    }
    
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    // We can't proceed unless we have the bootloader
    if (!_bootloaderFound) {
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        _errorCancel("Bootloader not found");
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        return;
    }
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    if (_bootloaderBoardFlashSize != 0 && image->imageSize() > _bootloaderBoardFlashSize) {
        _errorCancel(QString("Image size of %1 is too large for board flash size %2").arg(image->imageSize()).arg(_bootloaderBoardFlashSize));
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        return;
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    }
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    _threadController->flash(image);
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}

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/// @brief Called when an error occurs during download
void FirmwareUpgradeController::_downloadError(QNetworkReply::NetworkError code)
{
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    QString errorMsg;
    
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    if (code == QNetworkReply::OperationCanceledError) {
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        errorMsg = "Download cancelled";
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    } else if (code == QNetworkReply::ContentNotFoundError) {
        errorMsg = QString("Error: File Not Found. Please check %1 firmware version is available.")
                      .arg(firmwareTypeAsString(_selectedFirmwareType));

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    } else {
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        errorMsg = QString("Error during download. Error: %1").arg(code);
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    }
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    _errorCancel(errorMsg);
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}

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/// @brief returns firmware type as a string
QString FirmwareUpgradeController::firmwareTypeAsString(FirmwareType_t type) const
{
    switch (type) {
    case StableFirmware:
        return "stable";
    case DeveloperFirmware:
        return "developer";
    case BetaFirmware:
        return "beta";
    default:
        return "custom";
    }
}

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/// @brief Signals completion of one of the specified bootloader commands. Moves the state machine to the
///         appropriate next step.
void FirmwareUpgradeController::_flashComplete(void)
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{
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    delete _image;
    _image = NULL;
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    _appendStatusLog("Upgrade complete", true);
    _appendStatusLog("------------------------------------------", false);
    emit flashComplete();
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    qgcApp()->toolbox()->linkManager()->setConnectionsAllowed();
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}

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void FirmwareUpgradeController::_error(const QString& errorString)
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{
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    delete _image;
    _image = NULL;
    
    _errorCancel(QString("Error: %1").arg(errorString));
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}

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void FirmwareUpgradeController::_status(const QString& statusString)
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{
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    _appendStatusLog(statusString);
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}

/// @brief Updates the progress bar from long running bootloader commands
void FirmwareUpgradeController::_updateProgress(int curr, int total)
{
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    // Take care of cases where 0 / 0 is emitted as error return value
    if (total > 0) {
        _progressBar->setProperty("value", (float)curr / (float)total);
    }
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}

/// @brief Moves the progress bar ahead on tick while erasing the board
void FirmwareUpgradeController::_eraseProgressTick(void)
{
    _eraseTickCount++;
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    _progressBar->setProperty("value", (float)(_eraseTickCount*_eraseTickMsec) / (float)_eraseTotalMsec);
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}

/// Appends the specified text to the status log area in the ui
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void FirmwareUpgradeController::_appendStatusLog(const QString& text, bool critical)
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{
    Q_ASSERT(_statusLog);
    
    QVariant returnedValue;
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    QVariant varText;
    
    if (critical) {
        varText = QString("<font color=\"yellow\">%1</font>").arg(text);
    } else {
        varText = text;
    }
    
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    QMetaObject::invokeMethod(_statusLog,
                              "append",
                              Q_RETURN_ARG(QVariant, returnedValue),
                              Q_ARG(QVariant, varText));
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}
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void FirmwareUpgradeController::_errorCancel(const QString& msg)
{
    _appendStatusLog(msg, false);
    _appendStatusLog("Upgrade cancelled", true);
    _appendStatusLog("------------------------------------------", false);
    emit error();
    cancel();
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    qgcApp()->toolbox()->linkManager()->setConnectionsAllowed();
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}

void FirmwareUpgradeController::_eraseStarted(void)
{
    // We set up our own progress bar for erase since the erase command does not provide one
    _eraseTickCount = 0;
    _eraseTimer.start(_eraseTickMsec);
}

void FirmwareUpgradeController::_eraseComplete(void)
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{
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    _eraseTimer.stop();
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}
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void FirmwareUpgradeController::_loadAPMVersions(QGCSerialPortInfo::BoardType_t boardType)
{
    _apmVersionMap.clear();

    QHash<FirmwareIdentifier, QString>* prgFirmware = _firmwareHashForBoardType(boardType);

    foreach (FirmwareIdentifier firmwareId, prgFirmware->keys()) {
        if (firmwareId.autopilotStackType == AutoPilotStackAPM) {
            QString versionFile = QFileInfo(prgFirmware->value(firmwareId)).path() + "/git-version.txt";

            qCDebug(FirmwareUpgradeLog) << "Downloading" << versionFile;
            QGCFileDownload* downloader = new QGCFileDownload(this);
            connect(downloader, &QGCFileDownload::downloadFinished, this, &FirmwareUpgradeController::_apmVersionDownloadFinished);
            downloader->download(versionFile);
        }
    }
}


void FirmwareUpgradeController::_apmVersionDownloadFinished(QString remoteFile, QString localFile)
{
    qCDebug(FirmwareUpgradeLog) << "Download complete" << remoteFile << localFile;

    // Now read the version file and pull out the version string

    QFile versionFile(localFile);
    versionFile.open(QIODevice::ReadOnly | QIODevice::Text);
    QTextStream stream(&versionFile);
    QString versionContents = stream.readAll();

    QString version;
    QRegularExpression re("APMVERSION: (.*)$");
    QRegularExpressionMatch match = re.match(versionContents);
    if (match.hasMatch()) {
        version = match.captured(1);
    }

    if (version.isEmpty()) {
        qWarning() << "Unable to parse version info from file" << remoteFile;
        return;
    }

    // In order to determine the firmware and vehicle type for this file we find the matching entry in the firmware list

    QHash<FirmwareIdentifier, QString>* prgFirmware = _firmwareHashForBoardType(_foundBoardType);

    QString remotePath = QFileInfo(remoteFile).path();
    foreach (FirmwareIdentifier firmwareId, prgFirmware->keys()) {
        if (remotePath == QFileInfo((*prgFirmware)[firmwareId]).path()) {
            qCDebug(FirmwareUpgradeLog) << "Adding version to map, version:firwmareType:vehicleType" << version << firmwareId.firmwareType << firmwareId.firmwareVehicleType;
            _apmVersionMap[firmwareId.firmwareType][firmwareId.firmwareVehicleType] = version;
        }
    }

    emit apmAvailableVersionsChanged();
}

void FirmwareUpgradeController::setSelectedFirmwareType(FirmwareType_t firmwareType)
{
    _selectedFirmwareType = firmwareType;
    emit selectedFirmwareTypeChanged(_selectedFirmwareType);
    emit apmAvailableVersionsChanged();
}

QStringList FirmwareUpgradeController::apmAvailableVersions(void)
{
    QStringList list;

    _apmVehicleTypeFromCurrentVersionList.clear();

    foreach (FirmwareVehicleType_t vehicleType, _apmVersionMap[_selectedFirmwareType].keys()) {
        QString version;

        switch (vehicleType) {
        case QuadFirmware:
            version = "Quad - ";
            break;
        case X8Firmware:
            version = "X8 - ";
            break;
        case HexaFirmware:
            version = "Hexa - ";
            break;
        case OctoFirmware:
            version = "Octo - ";
            break;
        case YFirmware:
            version = "Y - ";
            break;
        case Y6Firmware:
            version = "Y6 - ";
            break;
        case HeliFirmware:
            version = "Heli - ";
            break;
        case PlaneFirmware:
        case RoverFirmware:
        case DefaultVehicleFirmware:
            break;
        }

        version += _apmVersionMap[_selectedFirmwareType][vehicleType];
        _apmVehicleTypeFromCurrentVersionList.append(vehicleType);

        list << version;
    }

    return list;
}

FirmwareUpgradeController::FirmwareVehicleType_t FirmwareUpgradeController::vehicleTypeFromVersionIndex(int index)
{
    if (index < 0 || index >= _apmVehicleTypeFromCurrentVersionList.count()) {
        qWarning() << "Invalid index, index:count" << index << _apmVehicleTypeFromCurrentVersionList.count();
        return QuadFirmware;
    }

    return _apmVehicleTypeFromCurrentVersionList[index];
}