start with downloading dc: parsing command arguments. started to implement the acrual download

DownloadDCFirmware/main.cpp

@@ -73,6 +73,7 @@ int main(int argc, char **argv) {
     QString workingDir = parser.workingDir();
     QString psaConfigDir = parser.psaConfigDir();
     QString psaTariffDir = parser.psaTariffDir();
+    QString dcDir = parser.dcDir();
     QString iniFileName = parser.iniFileName();
     bool const dryRun = parser.dryRun();
     bool const noUpdatePsaHardware = parser.noUpdatePsaHardware();
@@ -81,6 +82,7 @@ int main(int argc, char **argv) {
     bool const showExtendedVersion = parser.extendedVersion();
     bool const alwaysDownloadConfig = parser.alwaysDownloadConfig();
     bool const alwaysDownloadDC = parser.alwaysDownloadDC();
+    bool const readDCVersion = parser.readDCVersion();
 
     QString const rtPath = QCoreApplication::applicationDirPath();
 
@@ -109,6 +111,9 @@ int main(int argc, char **argv) {
     qInfo() << "machineNr ................" << machineNr;
     qInfo() << "customerNr ..............." << customerNr;
     qInfo() << "zoneNr ..................." << zoneNr;
+    qInfo() << "readDCVersion ............" << readDCVersion;
+    qInfo() << "dcDir ...................." << dcDir;
+
 
     if (showExtendedVersion) {
         printf(APP_EXTENDED_VERSION"\n");

DownloadDCFirmware/update.cpp

@@ -118,19 +118,8 @@ Update::Update(QString customerRepository,
     if (!m_hw) {
         qCritical() << "(" << __func__ << ":" << __LINE__ << ") m_hw == nullptr -> ca-slave plugin loaded ???";
     } else {
-        int tries = 20;
-        while ((m_sys_areDCdataValid = m_hw->sys_areDCdataValid()) == false) {
-            // must deliver 'true', only then are all data from hwapi valid
-            if (--tries < 0) {
-                qCritical() << "ERROR!!! DC DATA NOT VALID -> CA-MASTER-PLUGIN NOT CONNECTED";
-                break;
-            }
-            m_hw->dc_autoRequest(true);
-            QThread::msleep(500);
-        }
 
-        qCritical() << "(" << __func__ << ":" << __LINE__ << ") m_sys_areDCDataValid ..."
+        // carun stoppen
-                    << m_sys_areDCdataValid;
     }
 }
 
@@ -138,7 +127,233 @@ Update::~Update() {
     unloadDCPlugin();
 }
 
-bool Update::doUpdate(QStringList const &filesToWorkOn, bool usbStickDetected) {
+Update::DownloadResult Update::sendStatus(int ret) const {
+    switch (ret) {                  // return values of dc are:
+    case 0:                         // 0: no answer by now
+        return DownloadResult::NOP; // 1: error
+    case 10:                        // 10: success
+        return DownloadResult::OK;
+    default:;
+    }
+    return DownloadResult::ERROR;
+}
+
+Update::DownloadResult
+Update::sendNextAddress(int bNum) const {
+    // sends address only if blockNumber is one of 0, 1024, 2048, 3072, 4096
+    int noAnswerCount = 0;
+    int errorCount = 0;
+    if ( bNum==0 || bNum==1024 || bNum==2048 || bNum==3072 || bNum==4096 ) {
+        // qDebug() << "addr-block" << bNum << "...";
+        while (noAnswerCount <= 250) {
+            m_hw->bl_sendAddress(bNum);
+            QThread::msleep(100);
+            DownloadResult const res = sendStatus(m_hw->bl_wasSendingAddOK());
+            if (res != DownloadResult::NOP) {
+                if (res == DownloadResult::ERROR) {
+                    if (++errorCount >= 10) {
+                        qCritical() << "addr-block" << bNum << "...FAILED";
+                        return res;
+                    }
+                } else { // res == DownloadResult::OK
+                    qCritical() << "addr-block" << bNum << "...OK";
+                    return res;
+                }
+            } else {
+                noAnswerCount += 1; // no answer by now
+            }
+        }
+        // wait max. about 3 seconds
+        return DownloadResult::TIMEOUT;
+    }
+    // blockNumber is not one of 0, 1024, 2048, 3072, 4096 -> do nothing
+    return DownloadResult::NOP;
+}
+
+Update::DownloadResult
+Update::sendNextDataBlock(QByteArray const &binary, int bNum) const {
+    uint8_t local[66];
+    int const bAddr = bNum * 64;
+    int noAnswerCount = 0;
+    int errorCount = 0;
+
+    memcpy(local, binary.constData() + bAddr, 64);
+    local[64] = local[65] = 0x00;
+
+    // QByteArray b((const char *)(&local[0]), 64);
+    // qCritical() << "SNDB" << bNum << b.size() << b.toHex();
+
+    while (noAnswerCount <= 250) {
+        m_hw->bl_sendDataBlock(64, local);
+        QThread::msleep(10);
+        DownloadResult const res = sendStatus(m_hw->bl_wasSendingDataOK());
+        if (res != DownloadResult::NOP) {
+            if (res == DownloadResult::ERROR) {
+                if (++errorCount >= 10) {
+                    qCritical() << "data for block" << bNum << "...FAILED";
+                    return res;
+                }
+            } else {
+                qCritical() << "data for block" << bNum << "OK";
+                return res;
+            }
+        } else {
+            noAnswerCount += 1; // no answer by now
+        }
+    }
+    // wait max. about 3 seconds
+    return DownloadResult::TIMEOUT;
+}
+
+bool Update::startBootloader() const {
+    qDebug() << "starting bootloader...";
+    int nTry = 5;
+    while (--nTry >= 0) {
+        m_hw->bl_startBL();
+        QThread::msleep(5000);
+        m_hw->bl_checkBL();
+        if (m_hw->bl_isUp()) {
+            qInfo() << "starting bootloader...OK";
+            QThread::msleep(5000);
+            return true;
+        } else {
+            qCritical() << "bootloader not up (" << nTry << ")";
+        }
+    }
+    qCritical() << "starting bootloader...FAILED";
+    return false;
+}
+
+bool Update::stopBootloader() const {
+    qDebug() << "stopping bootloader...";
+    int nTry = 5;
+    while (--nTry >= 0) {
+        m_hw->bl_stopBL();
+        QThread::msleep(500);
+        if (!m_hw->bl_isUp()) {
+            qInfo() << "stopping bootloader...OK";
+            return true;
+        }
+    }
+    qCritical() << "stopping bootloader...FAILED";
+    return false;
+}
+
+bool Update::resetDeviceController() const {
+    qDebug() << "resetting device controller...";
+    m_hw->bl_rebootDC();
+    // wait maximally 3 seconds, before starting bootloader
+    QThread::sleep(1);
+    qInfo() << "resetting device controller...OK";
+    return true;
+}
+
+
+QByteArray Update::loadBinaryDCFile(QString const &filename) const {
+    qCritical() << "(" << __func__ << ":" << __LINE__ << ")"
+                << "loading dc binary" << filename << "...";
+
+    QFile file(filename); // closed in destructor call
+    if (!file.exists()) {
+        qCritical() << "(" << __func__ << ":" << __LINE__ << ")"
+                    << file.fileName() << "does not exist";
+        return QByteArray();
+    }
+    if (!file.open(QIODevice::ReadOnly)) {
+        qCritical() << "(" << __func__ << ":" << __LINE__ << ")"
+                    << "cannot open file" << file.fileName();
+        return QByteArray();
+    }
+    qCritical() << "(" << __func__ << ":" << __LINE__ << ")"
+                << "loading dc binary" << filename << "...OK";
+
+    return file.readAll();
+}
+/*
+ ///////////////////////////////////////////////////////////////////////////////
+ //
+ //                        USING THE DC BOOTLOADER
+ //
+ ///////////////////////////////////////////////////////////////////////////////
+
+ 1  :   bl_reboot()     // send to application, want DC2 to reset (in order to
+                        // start the bootloader)
+                        //
+                        // NOTE: this function is NOT reliable !!! Sometimes it
+                        // simply does not work, in which case bl_startBL,
+                        // bl_checkBL and bl_isUp do not work as well.
+                        // Alas, there is no feedback if bl_reboot worked!
+                        //
+                        // NOTE: this function can be called only once per
+                        // minute, because once called again, the controller
+                        // performs some self-checks consuming some time.
+                        //
+                        // NOTE: after a successful bl_reboot(), the device is
+                        // waiting about 4 seconds in the bootloader. To stay in
+                        // the bootloader, we have to send the command
+                        // bl_startBL(), which is kind of a misnomer, as it
+                        // should be bl_doNotLeaveBL().
+                        //
+ 2  :   bl_startBL():   // send within 4s after DC power-on, otherwise
+                        // bootloader is left.
+                        //
+                        // NOTE: a running bootloader is a MUST for the download
+                        // process of a device controller firmware as it does
+                        // the actual writing of the memory (the bl_reboot()
+                        // from above erases the available memory).
+                        //
+ 3  :   bl_check():     // send command to verify if bl is up
+                        //
+                        // NOTE: this command is kind of a request that we want
+                        // to check if the bootloader is up. The device
+                        // (actually the bootloader) responds with its version.
+                        //
+ 4  :   bl_isUp():      // returns true if bl is up and running
+                        //
+                        // NOTE: we know what the bootloader version actually is
+                        // as the bootloader does not change. By comparing the
+                        // string received in the previous step with this known
+                        // version string we know if the bootloader is up.
+                        //
+                        // NOTE FOR ALL PREVIOUS STEPS: execute them in their
+                        // own slots each to be sure to receive any possible
+                        // responds from the device.
+                        //
+ 5  :   bl_sendAddress(blockNumber)
+                        // send start address, nr of 64-byte block, start with 0
+                        // will be sent only for following block-numbers:
+                        // 0, 1024, 2048, 3072 and 4096, so basically every
+                        // 64kByte.
+                        // for other addresses nothing happens
+
+ 6  :   bl_wasSendingAddOK()
+                        // return val:  0: no response by now
+                        //              1: error
+                        //             10: OK
+
+ 7  :   bl_sendDataBlock()
+                        // send 64 byte from bin file
+
+ 8  :   bl_sendLastBlock()
+                        // send this command after all data are transferred
+
+ 9  :   bl_wasSendingDataOK()
+                        // return val:  0: no response by now
+                        //              1: error
+                        //             10: OK
+
+ 10 :   bl_stopBL()     // leave bl and start (the new) application
+                        //
+                        // NOTE: this function MUST work under all conditions.
+                        // Alas, there is no direct result for this command, so
+                        // the only way of knowing it was successful is to ask
+                        // the device if the bootloader is still running.
+                        // There is no problem to repeat this command until the
+                        // bootloader is really not running anymore.
+ */
+bool Update::doUpdate() {
+    //QString const &fToWorkOn = usbStickDetected ? QDir::cleanPath(it->trimmed())
+    //: QDir::cleanPath(m_customerRepository + QDir::separator() + it->trimmed());
 
     if (!m_hw) {
         qCritical() << "(" << __func__ << ":" << __LINE__ << "):"
@@ -146,66 +361,58 @@ bool Update::doUpdate(QStringList const &filesToWorkOn, bool usbStickDetected) {
         return false;
     }
 
-    int tries = 20;
+    QByteArray ba = loadBinaryDCFile(m_hw->dcDownloadFileName());
-    while ((m_sys_areDCdataValid = m_hw->sys_areDCdataValid()) == false) {
+    if (ba.size() > 0) {
-        // must deliver 'true', only then are all data from hwapi valid
+        uint16_t const totalBlocks = (((ba.size())%64)==0) ? (ba.size()/64) : (ba.size()/64)+1;
-        if (--tries < 0) {
+        m_hw->dcDownloadSetTotalBlockNumber(totalBlocks);
-            qCritical() << "(" << __func__ << ":" << __LINE__ << "):"
-                        << "ERROR!!! DC DATA NOT VALID -> CA-SLAVE-PLUGIN NOT CONNECTED";
-            return false;
-        }
-        qCritical() << "(" << __func__ << ":" << __LINE__ << "):"
-                    << "ERROR!!! DC DATA NOT VALID -> CA-SLAVE-PLUGIN NOT CONNECTED (" << tries << ")";
-        m_hw->dc_autoRequest(true);
-        QThread::msleep(500);
-    }
 
-    bool res = false;
+        // fill last block of data to be sent with 0xFF
+        ba = ba.leftJustified(totalBlocks*64, (char)(0xFF));
 
-    QList<QString>::const_iterator it;
+        resetDeviceController();
-    for (it = filesToWorkOn.cbegin(); it != filesToWorkOn.cend(); ++it) {
+        if (startBootloader()) {
-        QString const &fToWorkOn = usbStickDetected ? QDir::cleanPath(it->trimmed())
+
-            : QDir::cleanPath(m_customerRepository + QDir::separator() + it->trimmed());
+            qCritical() << "DownloadThread::run(): TOTAL NUMBER OF BYTES TO SEND TO DC" << ba.size();
-        if (fToWorkOn.contains("DC2C_print", Qt::CaseInsensitive)
+            qCritical() << "DownloadThread::run(): TOTAL NUMBER OF BLOCKS" << totalBlocks;
-         && fToWorkOn.endsWith(".json", Qt::CaseInsensitive)) {
+
-            res = true;
+            int currentBlock = 0;
-            int i = fToWorkOn.indexOf("DC2C_print", Qt::CaseInsensitive);
+            DownloadResult res = DownloadResult::OK;
-            int const templateIdx = fToWorkOn.mid(i).midRef(10, 2).toInt();
+            qCritical() << "64-byte block " << currentBlock;
-            if ((templateIdx < 1) || (templateIdx > 32)) {
+            while (res != DownloadResult::ERROR &&  currentBlock < totalBlocks) {
-                qCritical() << "WRONG TEMPLATE INDEX" << templateIdx;
+                if ((res = sendNextAddress(currentBlock)) != DownloadResult::ERROR) {
-                res = false;
+                    if ((res = sendNextDataBlock(ba, currentBlock)) != DownloadResult::ERROR) {
-            } else {
+                        m_hw->dcDownloadSetCurrentBlockNumber(currentBlock);
-                if ((res = updatePrinterTemplate(templateIdx, fToWorkOn))) {
+                        currentBlock += 1;
-                    qCritical() <<
+                    }
-                        QString("DOWNLOADED PRINTER TEMPLATE %1 WITH INDEX=%2")
-                            .arg(fToWorkOn)
-                            .arg(templateIdx);
                 }
             }
-        } else if (fToWorkOn.contains("DC2C_cash", Qt::CaseInsensitive)
+
-                && fToWorkOn.endsWith(".json", Qt::CaseInsensitive)) {
+            qCritical() << "DownloadThread::run(): last 64-byte block %04d" << currentBlock;
-            if ((res = updateCashConf(fToWorkOn))) {
+
-                qCritical() << QString("DOWNLOADED CASH TEMPLATE %1").arg(fToWorkOn);
+            int const rest = ba.size() % 64;
+            int const offset = ba.size() - rest;
+            char const *startAddress = ba.constData() + offset;
+
+            if (rest > 0) {
+                // SHOULD NEVER HAPPEN !!!
+                uint8_t local[66];
+                memset(local, 0xFF, sizeof(local));
+                memcpy(local, startAddress, rest);
+                qCritical() << "DownloadThread::run(): ERROR SEND REMAINING" << rest << "BYTES";
+                m_hw->bl_sendDataBlock(64, local);
+            } else {
+                m_hw->bl_sendLastBlock();
+                m_hw->dcDownloadSetCurrentBlockNumber(currentBlock);
             }
-        } else if (fToWorkOn.contains("DC2C_conf", Qt::CaseInsensitive)
+            qCritical() << "DownloadThread::run(): last result" << (int)sendStatus(m_hw->bl_wasSendingDataOK());
-                && fToWorkOn.endsWith(".json", Qt::CaseInsensitive)) {
-            if ((res = updateConfig(fToWorkOn))) {
-                qCritical() << QString("DOWNLOADED CONFIG TEMPLATE %1").arg(fToWorkOn);
-            }
-        } else if (fToWorkOn.contains("DC2C_device", Qt::CaseInsensitive)
-                && fToWorkOn.endsWith(".json", Qt::CaseInsensitive)) {
-            if ((res = updateDeviceConf(fToWorkOn))) {
-                qCritical() << QString("DOWNLOADED DEVICE TEMPLATE %1").arg(fToWorkOn);
-            }
-        } else {
-            qCritical() << "UNKNOWN JSON FILE NAME" << fToWorkOn;
-            res = false;
         }
+        stopBootloader();   // there is no harm in stopping the bootloader even
     }
 
-    return res;
+    return false;
 }
 
+#if 0
 bool Update::checkJsonVersions(QStringList const& jsonFileNames) {
     if (!m_hw) {
         qCritical() << "(" << __func__ << ":" << __LINE__ << "):"
@@ -436,3 +643,4 @@ bool Update::updateCashConf(QString jsFile) {
 bool Update::updateDeviceConf(QString jsFile) {
     return downloadJson(FileTypeJson::DEVICE, 0, jsFile);
 }
+#endif

DownloadDCFirmware/update.h

@@ -58,72 +58,21 @@ public:
 
     virtual ~Update() override;
 
-    bool doUpdate(QStringList const &jsonFilesToDownload, bool usbStickDetected = false);
+    bool doUpdate();
 
-    bool updatePrinterTemplate(int templateIdx, QString fname) const;
+private:
-    bool updateConfig(QString jsFileToSendToDC);
+    DownloadResult sendStatus(int ret) const;
-    bool updateCashConf(QString jsFileToSendToDC);
+    DownloadResult sendNextAddress(int bNum) const;
-    bool updateDeviceConf(QString jsFileToSendToDC);
+    DownloadResult sendNextDataBlock(QByteArray const &binary, int bNum) const;
+    bool startBootloader() const;
+    bool stopBootloader() const;
+    QByteArray loadBinaryDCFile(QString const &dcFilename) const;
+    bool resetDeviceController() const;
+    DownloadResult dcDownloadBinary(QByteArray const &b) const;
 
-    bool downloadJson(enum FileTypeJson type, int templateIdx,
+    QString m_fileToDownload;
-                      QString jsFileToSendToDC) const;
 
-
-    QString getFileVersion(QString const& jsonFileName);
-    bool checkJsonVersions(QStringList const& jsonFileNames =
-                            QStringList(
-                                QList(
-                                    std::initializer_list<QString>{
-                                        QString("etc/psa_config/DC2C_conf.json"),
-                                        QString("etc/psa_config/DC2C_cash.json"),
-                                        QString("etc/psa_config/DC2C_device.json"),
-                                        QString("etc/psa_config/DC2C_print01.json"),
-                                        QString("etc/psa_config/DC2C_print02.json"),
-                                        QString("etc/psa_config/DC2C_print03.json"),
-                                        QString("etc/psa_config/DC2C_print04.json"),
-                                        QString("etc/psa_config/DC2C_print05.json"),
-                                        QString("etc/psa_config/DC2C_print06.json"),
-                                        QString("etc/psa_config/DC2C_print07.json"),
-                                        QString("etc/psa_config/DC2C_print08.json"),
-                                        QString("etc/psa_config/DC2C_print09.json"),
-                                        QString("etc/psa_config/DC2C_print10.json"),
-                                        QString("etc/psa_config/DC2C_print11.json"),
-                                        QString("etc/psa_config/DC2C_print12.json"),
-                                        QString("etc/psa_config/DC2C_print13.json"),
-                                        QString("etc/psa_config/DC2C_print14.json"),
-                                        QString("etc/psa_config/DC2C_print15.json"),
-                                        QString("etc/psa_config/DC2C_print16.json"),
-                                        QString("etc/psa_config/DC2C_print17.json"),
-                                        QString("etc/psa_config/DC2C_print18.json"),
-                                        QString("etc/psa_config/DC2C_print19.json"),
-                                        QString("etc/psa_config/DC2C_print20.json"),
-                                        QString("etc/psa_config/DC2C_print21.json"),
-                                        QString("etc/psa_config/DC2C_print22.json"),
-                                        QString("etc/psa_config/DC2C_print23.json"),
-                                        QString("etc/psa_config/DC2C_print24.json"),
-                                        QString("etc/psa_config/DC2C_print25.json"),
-                                        QString("etc/psa_config/DC2C_print26.json"),
-                                        QString("etc/psa_config/DC2C_print27.json"),
-                                        QString("etc/psa_config/DC2C_print28.json"),
-                                        QString("etc/psa_config/DC2C_print29.json"),
-                                        QString("etc/psa_config/DC2C_print30.json"),
-                                        QString("etc/psa_config/DC2C_print31.json"),
-                                        QString("etc/psa_config/DC2C_print32.json")})));
 /*
-    bool checkDownloadedJsonVersions(QStringList const& jsonFileNames);
-
-    hwinf *hw() { return m_hw; }
-    hwinf const *hw() const { return m_hw; }
-
-    //QString customerId() { return m_customerId; }
-    //QString const customerId() const { return m_customerId; }
-
-    QString branchName() { return m_branchName; }
-    QString const branchName() const { return m_branchName; }
-
-    //QString repositoryPath() { return m_repositoryPath; }
-    //QString const repositoryPath() const { return m_repositoryPath; }
-
 private:
     static QString jsonType(enum FileTypeJson type);
     bool openSerial(int br, QString baudrate, QString comPort) const;

UpdatePTUDevCtrl/commandline_parser.cpp

@@ -85,7 +85,17 @@ CommandLineParser::CommandLineParser()
   , m_yoctoInstallStatusOption(
         QCommandLineOption(
             QStringList() << "Y" << "yocto-install",
-            QCoreApplication::translate("main", "Show yocto install status of ATBUpdateTool."))) {
+            QCoreApplication::translate("main", "Show yocto install status of ATBUpdateTool.")))
+  , m_dcDirectoryOption(
+        QCommandLineOption(
+            QStringList() << "dc-directory" << "dc-directory",
+            QCoreApplication::translate("main", "device controller directory."),
+            QCoreApplication::translate("main", "directory")))
+  , m_readDCVersionOption(
+        QCommandLineOption(
+            QStringList() << "D" << "read-dc-version",
+            QCoreApplication::translate("main", "Show version of device controller."),
+            QCoreApplication::translate("main", "Show version of device controller."))) {
     configure();
 }
 
@@ -138,6 +148,12 @@ void CommandLineParser::configure() {
 
     m_yoctoInstallStatusOption.setDefaultValue("false");
     m_parser.addOption(m_yoctoInstallStatusOption);
+
+    m_dcDirectoryOption.setDefaultValue("etc/dc/");
+    m_parser.addOption(m_dcDirectoryOption);
+
+    m_readDCVersionOption.setDefaultValue("false");
+    m_parser.addOption(m_readDCVersionOption);
 }
 
 void CommandLineParser::readSettings() {
@@ -155,7 +171,7 @@ void CommandLineParser::readSettings() {
             for (QString const &key: keys) {
                 QVariant v = settings.value(key);
 
-                qCritical() << __PRETTY_FUNCTION__
+                qCritical() << "(" << __func__ << ":" << __LINE__ << ")"
                             << key << " -> " << v.toString();
 
                 if (key.contains("repository-url")) {
@@ -196,6 +212,12 @@ void CommandLineParser::readSettings() {
                 } else
                 if (key.contains("plugin-name")) {
                     m_plugInName = v.toString();
+                } else
+                if (key.contains("dc-directory")) {
+                    m_dcDir = v.toString();
+                } else
+                if (key.contains("read-dc-version")) {
+                    m_readDCVersion = (v.toBool() ? "true" : "false");
                 } else {
                     qCritical() << __PRETTY_FUNCTION__
                                 << key << " -> (UNKNOWN) " << v.toString();
@@ -243,6 +265,26 @@ QString CommandLineParser::psaTariffDir() {
     return m_psaTariffDir;
 }
 
+QString CommandLineParser::dcDir() {
+    if (m_parser.isSet(m_dcDirectoryOption)) {
+        m_dcDir = m_parser.value(m_dcDirectoryOption);
+    }
+    return m_dcDir;
+}
+
+bool CommandLineParser::readDCVersion() {
+
+    qCritical() << __func__ << __LINE__;
+
+    if (m_parser.isSet(m_readDCVersionOption)) {
+    qCritical() << __func__ << __LINE__ << m_readDCVersion;
+        m_readDCVersion = m_parser.value(m_readDCVersionOption);
+    qCritical() << __func__ << __LINE__ << m_readDCVersion;
+    }
+    qCritical() << __func__ << __LINE__ << m_readDCVersion;
+    return m_readDCVersion == "false" ? false : true;
+}
+
 QString CommandLineParser::workingDir() {
     if (m_parser.isSet(m_workingDirectoryOption)) {
         m_workingDir = m_parser.value(m_workingDirectoryOption);

UpdatePTUDevCtrl/commandline_parser.h

@@ -1,4 +1,4 @@
-#ifndef COMMAND_LINE_PARSER_H_INCLUDED
+#ifndef COMMAND_LINE_PARSER_H_INCLUDED
 #define COMMAND_LINE_PARSER_H_INCLUDED
 
 #include <QCoreApplication>
@@ -21,6 +21,8 @@ class CommandLineParser : public QCommandLineParser {
     QString m_iniFileName;
     QString m_alwaysDownloadConfig;
     QString m_alwaysDownloadDC;
+    QString m_readDCVersion;
+    QString m_dcDir;
 
     QCommandLineOption m_repositoryUrlOption;
     QCommandLineOption m_iniFileDirectoryOption;
@@ -37,6 +39,8 @@ class CommandLineParser : public QCommandLineParser {
     QCommandLineOption m_extendedVersionOption;
     QCommandLineOption m_yoctoVersionOption;
     QCommandLineOption m_yoctoInstallStatusOption;
+    QCommandLineOption m_dcDirectoryOption;
+    QCommandLineOption m_readDCVersionOption;
 
     QCommandLineParser m_parser;
 
@@ -65,5 +69,7 @@ public:
     bool extendedVersion();
     bool alwaysDownloadConfig();
     bool alwaysDownloadDC();
+    bool readDCVersion();
+    QString dcDir();
 };
 #endif // COMMAND_LINE_PARSER_H_INCLUDED