Use now new git-server: https://ptu-config.atb-comm.de/ATB

process of JSON files (DC2C_cash.json etc).

ATBUpdateTool.ini

@@ -1,9 +1,12 @@
 [REPOSITORY_URL]
-repository-url="https://git.mimbach49.de/GerhardHoffmann"
+repository-url="https://ptu-config.atb-comm.de/ATB"
 
 [DIRECTORIES]
 plugin-directory="/usr/lib/"
 working-directory="/opt/app/tools/atbupdate/"
+psa-config-directory="etc/psa_config/"
+psa-tariff-directory="etc/psa_tariff/"
+
 
 [PLUGINS]
 plugin-name="libCAslave.so"

DownloadDCFirmware/DownloadDCFirmware.pro

@@ -1,5 +1,5 @@
-QT += core
-QT += serialport network
+QT += core gui
+QT += widgets serialport network
 
 TARGET = ATBDownloadDCFirmware
 
@@ -16,6 +16,16 @@ GIT_COMMIT=$$system("git log -1 --format=oneline | cut -d' ' -f1")
 
 EXTENDED_VERSION="$${VERSION}-$${GIT_COMMIT}"
 
+!contains(CONFIG, INCLUDEINTERFACES) {
+    INCLUDEINTERFACES=/opt/ptu5/opt/DCLibraries/include
+}
+
+INCLUDEPATH += \
+    plugins \
+    $${INCLUDEINTERFACES} \
+    $${_PRO_FILE_PWD_}/../UpdatePTUDevCtrl \
+    $${_PRO_FILE_PWD_}/../common/include
+
 CONFIG += c++17
 
 DEFINES+=APP_VERSION=\\\"$$VERSION\\\"
@@ -66,14 +76,32 @@ contains( CONFIG, DesktopLinux ) {
 }
 
 SOURCES += \
-        main.cpp
+        main.cpp \
+        mainwindow.cpp \
+        ../common/src/message_handler.cpp \
+        ../UpdatePTUDevCtrl/commandline_parser.cpp \
+        update.cpp \
+        dc_download.cpp \
+        ../common/src/System.cpp
+
+
+HEADERS += \
+        mainwindow.h \
+        ../common/include/message_handler.h \
+        ../UpdatePTUDevCtrl/commandline_parser.h \
+        update.h \
+        dc_download.h \
+        ../common/include/System.h
 
-# HEADERS +=
 
 OTHER_FILES += \
-    ATBDownloadDCFirmware.ini
+    ATBDownloadDCFirmware.ini \
+    ../ATBUpdateTool.ini
 
 
+FORMS += \
+    mainwindow.ui
+
 ##########################################################################################
 # for running program on target through QtCreator
 contains( CONFIG, PTU5 ) {

DownloadDCFirmware/dc_download.cpp

@@ -0,0 +1,444 @@
+#include "dc_download.h"
+#include <DeviceController/interfaces.h>
+
+#include <QFile>
+#include <QDebug>
+#include <QDateTime>
+#include <QThread>
+
+
+DcDownload::DcDownload(hwinf *hw)
+  : m_hw(hw)
+  , m_fileToDownload(m_hw->dcDownloadFileName()) {
+    // connect(this, &QThread::finished,
+    //        dynamic_cast<QObject const *>(m_hw), &QThread::deleteLater);
+}
+
+DcDownload::~DcDownload() {
+}
+
+/*
+ ///////////////////////////////////////////////////////////////////////////////
+ //
+ //                        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.
+ */
+void DcDownload::doDownload() {
+#if 0
+void DcDownload::run() {
+    // download thread running in ca-master sends the dc-file down to firmware
+    // TODO: send the json files as well
+
+    m_hw->dcDownloadRequestAck();
+
+    qCritical() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+                << "DcDownload::run(): DOWNLOAD THREAD STARTED:";
+    qCritical() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+                << "               DcDownload::run(): Filename:" << m_hw->dcDownloadFileName();
+
+    QDateTime const start = QDateTime::currentDateTime();
+
+#if 1
+    QFile fn(m_hw->dcDownloadFileName());
+
+    if (!fn.exists()) {
+        // output via CONSOLE() etc
+        qCritical() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+                    << "               DcDownload::run(): Filename:" << m_hw->dcDownloadFileName() << "DOES NOT EXIST";;
+    } else {
+
+        qCritical() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+                    << "DcDownload::run(): DC-CONTROLLER SW-VERSION BEFORE"
+                    << m_hw->dc_getSWversion();
+
+        // load binary device controller file into memory
+        QByteArray ba = loadBinaryDCFile(m_hw->dcDownloadFileName());
+        if (ba.size() > 0) {
+            uint16_t const totalBlocks = (((ba.size())%64)==0) ? (ba.size()/64) : (ba.size()/64)+1;
+            m_hw->dcDownloadSetTotalBlockNumber(totalBlocks);
+
+            // fill last block of data to be sent with 0xFF
+            ba = ba.leftJustified(totalBlocks*64, (char)(0xFF));
+
+            qCritical() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+                        << "DcDownload::run(): TOTAL NUMBER OF BYTES TO SEND TO DC" << ba.size();
+            qCritical() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+                        << "DcDownload::run(): TOTAL NUMBER OF BLOCKS" << totalBlocks;
+
+            m_hw->dc_autoRequest(true); // turn auto-request setting on
+
+            m_hw->request_DC2_HWversion();
+            m_hw->request_DC2_SWversion();
+            QThread::sleep(1);
+
+            // m_hw->dc_autoRequest(false); // turn auto-request setting on
+
+            resetDeviceController();
+
+            qCritical() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+                        << "DcDownload::run(): RESET DEVICE-CONTROLLER";
+
+            if (startBootloader()) {
+
+                qCritical() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+                            << "DcDownload::run(): STARTED BOOT-LOADER";
+
+                m_hw->dc_autoRequest(false);// turn auto-request setting off for
+                                            // download of binary dc
+
+                qCritical() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+                            << "DcDownload::run(): TOTAL NUMBER OF FIRMWARE BLOCKS" << totalBlocks;
+
+                int currentBlock = 0; // download of binary dc
+                DownloadResult res = DownloadResult::OK;
+
+                while (res != DownloadResult::ERROR &&  currentBlock < totalBlocks) {
+                    if ((res = sendNextAddress(currentBlock)) != DownloadResult::ERROR) {
+                        if ((res = sendNextDataBlock(ba, currentBlock)) != DownloadResult::ERROR) {
+                            m_hw->dcDownloadSetCurrentBlockNumber(currentBlock);
+
+                            qCritical() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+                                        << "DcDownload::run(): currentBlockNumber ..." << currentBlock;
+
+                            currentBlock += 1;
+                        }
+                    }
+                }
+
+                qCritical() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+                            << QString("DcDownload::run(): last 64-byte block %1").arg(currentBlock);
+
+                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() << "DcDownload::run(): ERROR SEND REMAINING" << rest << "BYTES";
+                    m_hw->bl_sendDataBlock(64, local);
+                } else {
+                    m_hw->bl_sendLastBlock();
+                    m_hw->dcDownloadSetCurrentBlockNumber(currentBlock);
+
+                    qCritical() << "DcDownload::run(): currentBlockNumber" << currentBlock;
+                    // QThread::msleep(250);
+                }
+                qCritical() << "DcDownload::run(): last result" << (int)sendStatus(m_hw->bl_wasSendingDataOK());
+
+                stopBootloader();   // stop bootloader several times: if it
+                QThread::sleep(1);  // is not stopped, then the PSA has to be
+            }
+            // restarted manually (!!!)
+            stopBootloader();
+            QThread::sleep(1);
+        }
+
+        qCritical() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+                    << "DcDownload::run(): STOPPED BOOT-LOADER";
+
+        stopBootloader();   // there is no harm in stopping the bootloader even
+                            // if it was not started at all
+
+        m_hw->dc_autoRequest(true);
+    }
+
+#else // test
+    // load binary device controller file into memory
+    QByteArray ba = loadBinaryDCFile(m_hw->dcDownloadFileName());
+    if (ba.size() > 0) {
+        uint16_t const totalBlocks = (((ba.size())%64)==0) ? (ba.size()/64) : (ba.size()/64)+1;
+        m_hw->dcDownloadSetTotalBlockNumber(totalBlocks);
+
+        // fill last block of data to be sent with 0xFF
+        ba = ba.leftJustified(totalBlocks*64, (char)(0xFF));
+
+        qCritical() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+                    << "DcDownload::run(): TOTAL NUMBER OF BYTES TO SEND TO DC" << ba.size();
+        qCritical() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+                    << "DcDownload::run(): TOTAL NUMBER OF BLOCKS" << totalBlocks;
+
+        m_hw->dc_autoRequest(true); // turn auto-request setting on
+
+        m_hw->request_DC2_HWversion();
+        m_hw->request_DC2_SWversion();
+        QThread::sleep(1);
+
+        resetDeviceController();
+
+        qCritical() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+                    << "DcDownload::run(): RESET DEVICE-CONTROLLER";
+        QThread::sleep(1);
+
+        if (startBootloader()) {
+            qCritical() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+                        << "DcDownload::run(): STARTED BOOT-LOADER";
+
+            m_hw->dc_autoRequest(false);// turn auto-request setting off for
+                                        // download of binary dc
+            for (uint16_t currentBlock = 0; currentBlock <= totalBlocks; ++currentBlock) {
+                m_hw->dcDownloadSetCurrentBlockNumber(currentBlock);
+                qCritical() << "DcDownload::run(): currentBlockNumber" << currentBlock;
+                QThread::msleep(250);
+            }
+            m_hw->dc_autoRequest(true); // turn auto-request setting on again
+        }
+
+        stopBootloader();   // there is no harm in stopping the bootloader even
+                            // if it was not started at all
+        qCritical() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+                    << "DcDownload::run(): STOPPED BOOT-LOADER";
+    }
+#endif
+
+    m_hw->dcDownloadSetRunning(false);
+    m_hw->dcDownloadSetFinished(true);
+
+    QDateTime const end = QDateTime::currentDateTime();
+    quint64 secs = start.secsTo(end);
+    QString runtime;
+    if (secs % 60) {
+        runtime = QString("%1min %2s").arg(secs / 60).arg(secs % 60);
+    } else {
+        runtime = QString("%1min").arg((secs / 60) + 1);
+    }
+
+    qCritical() << end.time().toString(Qt::ISODateWithMs)
+                << QString("DOWNLOAD THREAD FINISHED (RUNTIME %1)")
+                   .arg(runtime);
+
+    // the object deletes itself ! This is the last line in run().
+    // Never touch the object after this statement
+    // m_hw->dcDcDownloadFinalize(this);
+#endif
+}
+
+DcDownload::DownloadResult DcDownload::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;
+}
+
+DcDownload::DownloadResult
+DcDownload::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 ) {
+        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
+                    // qInfo() << "addr-block" << bNum << "...OK";
+
+                        // TODO: hier ins shared-mem schreiben
+
+                    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;
+}
+
+DcDownload::DownloadResult
+DcDownload::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;
+
+    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 {
+                // qInfo() << "data for block" << bNum << "OK";
+                // TODO: hier ins shared mem schreiben
+                return res;
+            }
+        } else {
+            noAnswerCount += 1; // no answer by now
+        }
+    }
+    // wait max. about 3 seconds
+    return DownloadResult::TIMEOUT;
+}
+
+bool DcDownload::startBootloader() const {
+    qDebug() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+             << "starting bootloader...";
+    int nTry = 5;
+    while (--nTry >= 0) {
+        m_hw->bl_startBL();
+        qDebug() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs) << "bl_startBL() ..." << nTry;
+        QThread::msleep(500);
+        m_hw->bl_checkBL();
+        qDebug() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs) << "bl_checkBL() ..." << nTry;
+        QThread::msleep(500);
+        if (m_hw->bl_isUp()) {
+            qInfo() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs) << "bootloader... isUP" << nTry;
+            return true;
+        } else {
+            qCritical() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+                        << "bootloader not up (" << nTry << ")";
+        }
+    }
+    qCritical() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+                << "starting bootloader FAILED";
+    return false;
+}
+
+bool DcDownload::stopBootloader() const {
+    qDebug() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+             << "stopping bootloader...";
+    int nTry = 5;
+    while (--nTry >= 0) {
+        m_hw->bl_stopBL();
+        qDebug() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+                 << "bl_stopBL() ...";
+        QThread::msleep(500);
+        m_hw->bl_checkBL();
+        qDebug() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs) << "bl_checkBL() ..." << nTry;
+        if (!m_hw->bl_isUp()) {
+            qInfo() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+                    << "stopping bootloader OK";
+            return true;
+        }
+    }
+    qCritical() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+                << "stopping bootloader FAILED";
+    return false;
+}
+
+bool DcDownload::resetDeviceController() const {
+    qDebug() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+             << "resetting device controller...";
+    m_hw->bl_rebootDC();
+    // wait maximally 3 seconds, before starting bootloader
+    QThread::sleep(1);
+    qInfo() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+            << "resetting device controller...OK";
+    return true;
+}
+
+QByteArray DcDownload::loadBinaryDCFile(QString filename) const {
+    qInfo() << QDateTime::currentDateTime().time().toString(Qt::ISODateWithMs)
+            << "loading dc binary" << filename << "...";
+
+    QFile file(filename); // closed in destructor call
+    if (!file.exists()) {
+        qCritical() << file.fileName() << "does not exist";
+        return QByteArray();
+    }
+    if (!file.open(QIODevice::ReadOnly)) {
+        qCritical() << "cannot open file" << file.fileName();
+        return QByteArray();
+    }
+    qInfo() << "loading dc binary" << filename << "...OK";
+    return file.readAll();
+}

DownloadDCFirmware/dc_download.h

@@ -0,0 +1,32 @@
+#ifndef DC_DOWNLOAD_H_INCLUDED
+#define DC_DOWNLOAD_H_INCLUDED
+
+#include <QString>
+#include <QByteArray>
+
+class hwinf;
+class DcDownload {
+
+public:
+    enum class DownloadResult {OK, ERROR, TIMEOUT, NOP};
+
+    DcDownload(hwinf *hw);
+    ~DcDownload();
+
+    void doDownload();
+
+private:
+    DownloadResult sendStatus(int ret) const;
+    DownloadResult sendNextAddress(int bNum) const;
+    DownloadResult sendNextDataBlock(QByteArray const &binary, int bNum) const;
+    bool startBootloader() const;
+    bool stopBootloader() const;
+    QByteArray loadBinaryDCFile(QString dcFileName) const;
+    bool resetDeviceController() const;
+    DownloadResult dcDownloadBinary(QByteArray const &b) const;
+
+    hwinf *m_hw;
+    QString m_fileToDownload;
+};
+
+#endif // DOWNLOAD_THREAD_H_INCLUDED

DownloadDCFirmware/main.cpp

@@ -1,8 +1,135 @@
+
 #include <QtGlobal>
+#include <QCoreApplication>
+#include <QApplication>
+#include <QByteArray>
+
+#include <QProcess>
+#include <QCommandLineParser>
+#include <QStandardPaths>
+#include <QSettings>
+#include <QDir>
+#include <QDebug>
+#include <QThread>
+
+#include "message_handler.h"
+#include "commandline_parser.h"
+#include "utils.h"
+#include "update.h"
+#include "mainwindow.h"
+#include "System.h"
+
+#include <DeviceController/interfaces.h>
+
+#ifdef __linux__
+#include <sys/sysinfo.h>
+#endif
+
+#ifdef PTU5
+#define SERIAL_PORT "ttymxc2"
+#else
+#define SERIAL_PORT "ttyUSB0"
+#endif
+
+int read1stLineOfFile(QString fileName) {
+    QFile f(fileName);
+    if (f.exists()) {
+        if (f.open(QIODevice::ReadOnly | QIODevice::Text)) {
+            QTextStream in(&f);
+            in.setCodec("UTF-8");
+            while(!in.atEnd()) {
+                return in.readLine().toInt();
+            }
+        }
+    }
+    return -1;
+}
 
 int main(int argc, char **argv) {
-    Q_UNUSED(argc);
-    Q_UNUSED(argv);
+    QByteArray const value = qgetenv("LC_ALL");
+    if (value != "C") {
+        qputenv("LC_ALL", "C");
+    }
+    // qputenv("XDG_RUNTIME_DIR", "/var/run/user/0");
 
+    openlog("ATB-UPDATE-DC-FIRMWARE", LOG_PERROR | LOG_PID | LOG_CONS, LOG_USER);
+
+    QApplication a(argc, argv);
+    QApplication::setApplicationName("ATBDownloadDCFirmware");
+    QApplication::setApplicationVersion(APP_VERSION);
+
+    if (!messageHandlerInstalled()) { // change internal qt-QDebug-handling
+        atbInstallMessageHandler(atbDebugOutput);
+        setDebugLevel(LOG_NOTICE);
+    }
+
+    CommandLineParser parser;
+    parser.process(a);
+    parser.readSettings();
+
+    QString repositoryUrl = parser.repositoryUrl();
+    QString plugInDir = parser.plugInDir();
+    QString plugInName = parser.plugInName();
+    QString workingDir = parser.workingDir();
+    QString psaConfigDir = parser.psaConfigDir();
+    QString psaTariffDir = parser.psaTariffDir();
+    QString iniFileName = parser.iniFileName();
+    bool const dryRun = parser.dryRun();
+    bool const noUpdatePsaHardware = parser.noUpdatePsaHardware();
+    bool const showYoctoVersion = parser.yoctoVersion();
+    bool const showYoctoInstallStatus = parser.yoctoInstallStatus();
+    bool const showExtendedVersion = parser.extendedVersion();
+    bool const alwaysDownloadConfig = parser.alwaysDownloadConfig();
+    bool const alwaysDownloadDC = parser.alwaysDownloadDC();
+
+    QString const rtPath = QCoreApplication::applicationDirPath();
+
+    int const machineNr = read1stLineOfFile("/mnt/system_data/machine_nr");
+    int const customerNr = read1stLineOfFile("/mnt/system_data/cust_nr");
+    int const zoneNr = read1stLineOfFile("/mnt/system_data/zone_nr");
+    QString const branchName = (zoneNr != 0)
+            ? QString("zg1/zone%1").arg(zoneNr) : "master";
+
+    qInfo() << "pwd ......................" << rtPath;
+    qInfo() << "repositoryUrl ............" << repositoryUrl;
+    qInfo() << "plugInDir ................" << plugInDir;
+    qInfo() << "plugInName ..............." << plugInName;
+    qInfo() << "workingDir ..............." << workingDir;
+    qInfo() << "psaConfigDir ............." << psaConfigDir;
+    qInfo() << "psaTariffDir ............." << psaTariffDir;
+    qInfo() << "dryRun ..................." << dryRun;
+    qInfo() << "noUpdatePsaHardware ......" << noUpdatePsaHardware;
+    qInfo() << "alwaysDownloadConfig ....." << alwaysDownloadConfig;
+    qInfo() << "alwaysDownloadDC ........." << alwaysDownloadDC;
+    qInfo() << "showYoctoVersion ........." << showYoctoVersion;
+    qInfo() << "showYoctoInstallStatus ..." << showYoctoInstallStatus;
+    qInfo() << "showExtendedVersion ......" << showExtendedVersion;
+    qInfo() << "iniFileName .............." << iniFileName;
+    qInfo() << "extended-version ........." << APP_EXTENDED_VERSION;
+    qInfo() << "machineNr ................" << machineNr;
+    qInfo() << "customerNr ..............." << customerNr;
+    qInfo() << "zoneNr ..................." << zoneNr;
+
+    if (showExtendedVersion) {
+        printf(APP_EXTENDED_VERSION"\n");
         return 0;
     }
+
+    QString const &customerRepo = QDir::cleanPath(workingDir + QDir::separator() + QString("customer_%1").arg(customerNr));
+    QStringList filesToUpdate;
+
+    QThread::currentThread()->setObjectName("main thread");
+    qInfo() << "Main thread" << QThread::currentThreadId();
+
+    MainWindow mw;
+
+    mw.setWindowFlags(Qt::Window | Qt::FramelessWindowHint);
+    // mw.showFullScreen();
+
+    // qCritical() << "SHOW";
+
+    // mw.show();
+
+    return 0;
+    // return a.exec();
+}

DownloadDCFirmware/mainwindow.cpp

@@ -0,0 +1,352 @@
+#include "mainwindow.h"
+#include "ui_mainwindow.h"
+
+#include <QDateTime>
+#include <QMessageBox>
+#include <QDebug>
+#include <QScrollBar>
+#include <QEvent>
+
+#ifdef PTU5
+#define SERIAL_PORT "ttymxc2"
+#else
+#define SERIAL_PORT "ttyUSB0"
+#endif
+
+MainWindow::MainWindow(QWidget *parent)
+    : QMainWindow(parent)
+    , ui(new Ui::MainWindow)
+    , m_serial(new QSerialPort(this))
+    , m_width(70) {
+
+    this->setStatusBar(new QStatusBar(this));
+    QFont f;
+    f.setStyleHint(QFont::Monospace);
+    f.setWeight(QFont::Bold);
+    f.setFamily("Misc Fixed");
+    f.setPixelSize(12);
+    this->statusBar()->setFont(f);
+
+    ui->setupUi(this);
+
+    openSerialPort();
+
+    //ui->updateProgress->setRange(0, 100);
+    //ui->updateProgress->reset();
+
+#if 0
+    QStringList lst;
+    QString start = QDateTime::currentDateTime().toString(Qt::ISODate);
+    lst << QString("Start: ") + start.leftJustified(m_width-10);
+    lst << QString("").leftJustified(m_width-3, '=');
+    lst << QString("Update tool version: %1 - %2 %3").arg(APP_VERSION).arg(APP_BUILD_DATE).arg(APP_BUILD_TIME).leftJustified(m_width-3);
+    lst << QString("Machine number     : %1 ").arg(m_worker->machineNr()).leftJustified(m_width-3);
+    lst << QString("Customer number    : %1 ").arg(m_worker->customerNr()).leftJustified(m_width-3);
+    lst << QString("Zone number        : %1 (%2)").arg(m_worker->zoneNr()).arg(Utils::zoneName(m_worker->zoneNr())).leftJustified(m_width-3);
+    lst << QString("APISM version      : %1").arg(m_worker->apismVersion()).leftJustified(m_width-3);
+    lst << QString("").leftJustified(m_width-3, '=');
+
+    ui->updateStatus->setText(lst.join('\n'));
+    ui->updateStatus->setEnabled(true);
+    // ui->updateStatus->installEventFilter(this);
+
+    m_startTimer = new QTimer(this);
+    connect(m_startTimer, SIGNAL(timeout()), m_worker, SLOT(start()));
+    m_startTimer->setSingleShot(true);
+    m_startTimer->start(1000);
+
+    m_exitTimer = new QTimer(this);
+    connect(m_exitTimer, SIGNAL(timeout()), ui->exit, SLOT(click()));
+    m_exitTimer->setSingleShot(true);
+    m_exitTimer->start(1800 * 1000);
+
+    connect(ui->exit, SIGNAL(clicked()),this,SLOT(onQuit()));
+    connect(m_worker, SIGNAL(disableExit()),this,SLOT(onDisableExit()));
+    connect(m_worker, SIGNAL(enableExit()),this,SLOT(onEnableExit()));
+    connect(m_worker, SIGNAL(stopStartTimer()),this,SLOT(onStopStartTimer()));
+    connect(m_worker, SIGNAL(restartExitTimer()),this,SLOT(onRestartExitTimer()));
+    connect(m_worker, SIGNAL(appendText(QString,QString)),this,SLOT(onAppendText(QString,QString)));
+    connect(m_worker, SIGNAL(showErrorMessage(QString,QString)),this, SLOT(onShowErrorMessage(QString,QString)));
+    connect(m_worker, SIGNAL(showStatusMessage(QString,QString)),this, SLOT(onShowStatusMessage(QString,QString)));
+    connect(m_worker, SIGNAL(showErrorMessage(QStringList)),this, SLOT(onShowErrorMessage(QStringList)));
+    connect(m_worker, SIGNAL(showStatusMessage(QString,QString)),this, SLOT(onShowStatusMessage(QString,QString)));
+    connect(m_worker, SIGNAL(replaceLast(QString,QString)),this,SLOT(onReplaceLast(QString,QString)));
+    connect(m_worker, SIGNAL(replaceLast(QStringList,QString)),this, SLOT(onReplaceLast(QStringList,QString)));
+#endif
+}
+
+MainWindow::~MainWindow() {
+    //delete m_startTimer;
+    //delete m_exitTimer;
+    closeSerialPort();
+    delete ui;
+}
+
+bool MainWindow::openSerialPort() {
+   // const SettingsDialog::Settings p = m_settings->settings();
+   m_serial->setPortName(SERIAL_PORT);
+   m_serial->setBaudRate(QSerialPort::Baud115200);
+   m_serial->setDataBits(QSerialPort::DataBits::Data8);
+   m_serial->setParity(QSerialPort::Parity::NoParity);
+   m_serial->setStopBits(QSerialPort::StopBits::OneStop);
+   m_serial->setFlowControl(QSerialPort::FlowControl::NoFlowControl);
+   if (m_serial->open(QIODevice::ReadWrite)) {
+       //m_console->setEnabled(true);
+       //m_console->setLocalEchoEnabled(p.localEchoEnabled);
+       //m_ui->actionConnect->setEnabled(false);
+       //m_ui->actionDisconnect->setEnabled(true);
+       //m_ui->actionConfigure->setEnabled(false);
+       //showStatusMessage(tr("Connected to %1 : %2, %3, %4, %5, %6")
+       //                  .arg(p.name, p.stringBaudRate, p.stringDataBits,
+       //                       p.stringParity, p.stringStopBits, p.stringFlowControl));
+       return true;
+   } else {
+       //QMessageBox::critical(this, tr("Error"), m_serial->errorString());
+
+       //showStatusMessage(tr("Open error"));
+   }
+   return false;
+}
+
+bool MainWindow::closeSerialPort() {
+    if (m_serial->isOpen()) {
+        m_serial->close();
+        return true;
+    }
+    return false;
+    //m_console->setEnabled(false);
+    //m_ui->actionConnect->setEnabled(true);
+    //m_ui->actionDisconnect->setEnabled(false);
+    //m_ui->actionConfigure->setEnabled(true);
+    //showStatusMessage(tr("Disconnected"));
+}
+
+#if 0
+void MainWindow::customEvent(QEvent *event) {
+    if (event->type() == ProgressEvent::type()) {
+        ProgressEvent *pevent = (ProgressEvent *)event;
+        int const progress = pevent->progressPercent();
+        QObject const *sender = pevent->sender();
+        if (sender == this) {
+            switch(progress) {
+            case 0: {
+                ui->updateProgress->reset();
+            } break;
+            case START_PROGRESS_LOOP: {
+                m_progressRunning = true;
+                ui->updateProgress->reset();
+                // m_progressValue = 10;
+                QApplication::postEvent(this, new ProgressEvent(this, 1));
+            } break;
+            case STOP_PROGRESS_LOOP: {
+                m_progressRunning = false;
+                // m_progressValue -= 10;
+                // m_worker->setProgress(m_progressValue/10);
+            } break;
+            default: {
+                if (m_progressRunning) {
+                    // m_progressValue = progress;
+                    ui->updateProgress->setValue(progress);
+                    // ueberpruefen: hauptfenster schickt sich selber ein event
+                    // QApplication::postEvent(this, new ProgressEvent(this, progress));
+                    // QThread::msleep(500);
+                }}
+            }
+        } else
+        if (sender == m_worker) {
+            switch(progress) {
+            case 0: {
+                ui->updateProgress->reset();
+            } break;
+            case START_PROGRESS_LOOP: {
+                QApplication::postEvent(this, new ProgressEvent(this, START_PROGRESS_LOOP));
+            } break;
+            case STOP_PROGRESS_LOOP: {
+                QApplication::postEvent(this, new ProgressEvent(this, STOP_PROGRESS_LOOP));
+            } break;
+            default:{
+                ui->updateProgress->setValue(progress);
+            }}
+        } else {
+            qCritical() << "!!! UNKNOWN SENDER !!!";
+        }
+    }
+
+    QThread::yieldCurrentThread();
+}
+
+void MainWindow::onStopStartTimer() {
+    m_startTimer->stop();
+}
+
+void MainWindow::onDisableExit() {
+   ui->exit->setEnabled(false);
+}
+
+void MainWindow::onEnableExit() {
+   ui->exit->setEnabled(true);
+}
+
+void MainWindow::onRestartExitTimer() {
+    m_exitTimer->stop();
+    m_exitTimer->start(5 * 1000);
+
+    scrollDownTextEdit();
+    ui->updateStatus->setEnabled(false);
+}
+
+void MainWindow::onQuit() {
+    m_exitTimer->stop();
+    int errorCode = 0;
+
+    qCritical()
+        << QString("ON QUIT: CURRENT STEP %1")
+            .arg(m_worker->getSmap()[m_worker->currentStep()]);
+
+    // TODO: replace SEND_LAST_VERSION with UPDATE_SUCCEEDED
+    if (m_worker->currentStep() != Worker::UPDATE_STEP::SEND_LAST_VERSION) {
+        errorCode = -1;
+    }
+    qCritical() << QString("ON QUIT: EXIT CODE %1").arg(errorCode);
+    qApp->exit(errorCode);
+}
+
+void MainWindow::scrollDownTextEdit() {
+    // Utils::printInfoMsg(QString("SCROLL-DOWN-TEXT_EDIT CALLED AT ")
+    //    + QDateTime::currentDateTime().toString(Qt::ISODateWithMs));
+
+    ui->updateStatus->setEnabled(true);
+
+    QTextCursor tmpCursor = ui->updateStatus->textCursor();
+    tmpCursor.movePosition(QTextCursor::End);
+    ui->updateStatus->setTextCursor(tmpCursor);
+    ui->updateStatus->ensureCursorVisible();
+}
+
+void MainWindow::onAppendText(QString text, QString suffix) {
+    // Utils::printInfoMsg(QString("ON APPEND CALLED AT ")
+    //    + QDateTime::currentDateTime().toString(Qt::ISODateWithMs));
+
+    QString editText = ui->updateStatus->toPlainText();
+    scrollDownTextEdit();
+
+    if (!suffix.isNull() && suffix.size() > 0) {
+        //qInfo() << "TEXT" << text << "SUFFIX" << suffix;
+        if (suffix == Worker::UPDATE_STEP_SUCCESS || suffix == Worker::UPDATE_STEP_FAIL) {
+            ui->updateStatus->insertPlainText(QString("\n").leftJustified(m_width-3, '=') + " ");
+            // editText += QString("\n").leftJustified(m_width-3, '=');
+            // editText += " ";
+        }
+        QString const &add = (QString("\n") + text).leftJustified(m_width - (2 + suffix.size())) + suffix;
+        ui->updateStatus->insertPlainText(add);
+        // editText += add;
+    } else {
+        QString const &add = text.leftJustified(m_width-9);
+        ui->updateStatus->insertPlainText(add);
+        //editText += add;
+    }
+
+    // debug
+    // QString editText = ui->updateStatus->toPlainText();
+    // Utils::printLineEditInfo(editText.split('\n', QString::SplitBehavior::SkipEmptyParts));
+    // ui->updateStatus->setText(editText.trimmed());
+
+    scrollDownTextEdit();
+}
+
+void MainWindow::onReplaceLast(QStringList newTextLines, QString suffix) {
+    // Utils::printInfoMsg(QString("ON REPLACE LAST (LIST) CALLED AT ")
+    //    + QDateTime::currentDateTime().toString(Qt::ISODateWithMs));
+    int const s = newTextLines.size();
+    if (s > 0) {
+        QString editText = ui->updateStatus->toPlainText();
+        QStringList lines = editText.split('\n', QString::SplitBehavior::SkipEmptyParts);
+        QString newText;
+        if (lines.size() >= s) {
+            for (int i = 0; i < s; ++i) {
+                lines.removeLast();
+            }
+            if (lines.size() > 0) {
+                newText = lines.join('\n');
+                newText += '\n';
+            }
+            QStringList newLines;
+            for (int i = 0; i < s; ++i) {
+                if (i == 0 && !suffix.isNull() && suffix.size() > 0 && suffix != "\n") {
+                    newLines += Utils::rstrip(newTextLines.at(i).leftJustified(m_width-10) + suffix);
+                } else {
+                    newLines += Utils::rstrip(newTextLines.at(i).leftJustified(m_width-10));
+                }
+            }
+            lines += newLines;
+            newText += newLines.join(' ');
+        }
+
+        ui->updateStatus->setText(newText);
+        Utils::printLineEditInfo(lines);
+        scrollDownTextEdit();
+    }
+}
+
+void MainWindow::onReplaceLast(QString text, QString suffix) {
+    // Utils::printInfoMsg(QString("ON REPLACE LAST (TEXT) CALLED AT ")
+    //    + QDateTime::currentDateTime().toString(Qt::ISODateWithMs));
+    QString editText = ui->updateStatus->toPlainText();
+    QStringList lines = editText.split('\n', QString::SplitBehavior::SkipEmptyParts);
+    if (lines.size() > 0) {
+        // removing the last line is really meant for refreshing the last line
+        // with a string very similar than the original one, typically only
+        // followed by a suffix.
+        if (lines.last().contains(text)) {
+            lines.removeLast();
+        }
+        if (!suffix.isNull() && suffix.size() > 0 && suffix != "\n") {
+            QString const add = text.leftJustified(m_width-10) + suffix;
+            if (!add.isEmpty()) {
+                lines += text.leftJustified(m_width-10) + suffix;
+            }
+        } else {
+            QString const add = text.leftJustified(m_width-10);
+            if (!add.isEmpty()) {
+                lines += text.leftJustified(m_width-10);
+            }
+        }
+    }
+
+    Utils::printLineEditInfo(lines);
+    ui->updateStatus->setText(lines.join('\n').trimmed());
+    scrollDownTextEdit();
+}
+
+void MainWindow::onShowMessage(QString title, QString text) {
+    this->statusBar()->clearMessage();
+    this->statusBar()->showMessage( // timeout: 10000
+        QString(title + " " + text).leftJustified(80, ' '), 10000);
+}
+
+void MainWindow::onShowErrorMessage(QString title, QString text) {
+    onShowMessage(title, text);
+}
+
+void MainWindow::onShowStatusMessage(QString title, QString text) {
+    onShowMessage(title, text);
+}
+
+void MainWindow::onShowErrorMessage(QStringList lst) {
+    if (lst.size() >= 2) {
+        onShowMessage(lst.at(0), lst.at(1));
+    }
+    if (lst.size() == 1) {
+        onShowMessage(lst.at(0), "");
+    }
+}
+
+void MainWindow::onShowStatusMessage(QStringList lst) {
+    if (lst.size() >= 2) {
+        onShowMessage(lst.at(0), lst.at(1));
+    }
+    if (lst.size() == 1) {
+        onShowMessage(lst.at(0), "");
+    }
+}
+#endif

DownloadDCFirmware/mainwindow.h

@@ -0,0 +1,58 @@
+#ifndef MAINWINDOW_H
+#define MAINWINDOW_H
+
+#include <QMainWindow>
+#include <QTimer>
+#include <QStatusBar>
+#include <QWidget>
+#include <QSerialPort>
+#include <QSerialPortInfo>
+
+QT_BEGIN_NAMESPACE
+namespace Ui { class MainWindow; }
+QT_END_NAMESPACE
+
+
+class MainWindow : public QMainWindow {
+    Q_OBJECT
+
+public:
+    MainWindow(QWidget *parent = nullptr);
+    ~MainWindow();
+
+public slots:
+    //void onAppendText(QString, QString suffix = "");
+    //void onReplaceLast(QStringList, QString suffix = "");
+    //void onReplaceLast(QString, QString suffix = "");
+    //void onShowErrorMessage(QString, QString);
+    //void onShowStatusMessage(QString, QString);
+    //void onShowErrorMessage(QStringList);
+    //void onShowStatusMessage(QStringList);
+    //void onStopStartTimer();
+    //void onRestartExitTimer();
+    //void onEnableExit();
+    //void onDisableExit();
+
+signals:
+
+private slots:
+//    void onQuit();
+
+private:
+//    void scrollDownTextEdit();
+//    void onShowMessage(QString, QString);
+
+    bool openSerialPort();
+    bool closeSerialPort();
+
+    Ui::MainWindow *ui;
+    QSerialPort *m_serial;
+//    Worker *m_worker;
+    int const m_width;
+//    QTimer *m_startTimer;
+//    QTimer *m_exitTimer;
+//    bool m_progressRunning;
+    //int m_progressValue;
+//    UpdateDcEvent::UpdateStep m_updateStep;
+};
+#endif // MAINWINDOW_H

DownloadDCFirmware/mainwindow.ui

@@ -0,0 +1,62 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>MainWindow</class>
+ <widget class="QMainWindow" name="MainWindow">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>800</width>
+    <height>480</height>
+   </rect>
+  </property>
+  <property name="font">
+   <font>
+    <family>Source Code Pro</family>
+   </font>
+  </property>
+  <property name="windowTitle">
+   <string>MainWindow</string>
+  </property>
+  <widget class="QWidget" name="centralwidget">
+   <widget class="QWidget" name="layoutWidget">
+    <property name="geometry">
+     <rect>
+      <x>10</x>
+      <y>10</y>
+      <width>781</width>
+      <height>441</height>
+     </rect>
+    </property>
+    <layout class="QGridLayout" name="gridLayout">
+     <item row="0" column="0" rowspan="3" colspan="2">
+      <widget class="QTextEdit" name="updateStatus">
+       <property name="enabled">
+        <bool>true</bool>
+       </property>
+       <property name="font">
+        <font>
+         <family>Misc Fixed</family>
+         <pointsize>11</pointsize>
+         <weight>75</weight>
+         <bold>true</bold>
+        </font>
+       </property>
+       <property name="verticalScrollBarPolicy">
+        <enum>Qt::ScrollBarAsNeeded</enum>
+       </property>
+       <property name="horizontalScrollBarPolicy">
+        <enum>Qt::ScrollBarAsNeeded</enum>
+       </property>
+       <property name="sizeAdjustPolicy">
+        <enum>QAbstractScrollArea::AdjustToContents</enum>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </widget>
+  </widget>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

DownloadDCFirmware/update.cpp

@@ -0,0 +1,438 @@
+#include "update.h"
+
+#include <QCoreApplication>
+#include <QFile>
+#include <QTemporaryFile>
+#include <QDebug>
+#include <QTextStream>
+#include <QRegularExpression>
+#include <QRegExp>
+
+#if defined (Q_OS_UNIX) || defined (Q_OS_LINUX)
+#include "unistd.h"
+#endif
+
+#include <DeviceController/interfaces.h>
+
+#include <QSharedMemory>
+#include <QScopedPointer>
+#include <QDir>
+#include <QThread>
+#include <QDateTime>
+#include <QPluginLoader>
+#include <QMap>
+
+#define UPDATE_OPKG                 (1)
+#define UPDATE_DC                   (0)
+
+static const QMap<QString, int> baudrateMap = {
+  {"1200"   ,   0}, {"9600"   ,   1}, {"19200"  ,   2}, {"38400"  ,   3},
+  {"57600"  ,   4}, {"115200" ,   5}
+};
+
+QPluginLoader Update::pluginLoader;
+
+hwinf *Update::loadDCPlugin(QDir const &plugInDir, QString const &fname) {
+    hwinf *hw = nullptr;
+    if (plugInDir.exists()) {
+        QString pluginLibName(fname);
+        pluginLibName = plugInDir.absoluteFilePath(pluginLibName);
+        QFileInfo info(pluginLibName);
+        if (info.exists()) {
+            pluginLibName = plugInDir.absoluteFilePath(pluginLibName);
+            pluginLoader.setFileName(pluginLibName);
+            // static QPluginLoader pluginLoader(pluginLibName);
+            if (!pluginLoader.load()) {
+                qCritical() << "in directory" << plugInDir.absolutePath();
+                qCritical() << "cannot load plugin" << pluginLoader.fileName();
+                qCritical() << pluginLoader.errorString();
+                return nullptr;
+            }
+
+            qCritical() << "loadDCPlugin() plugin directory:" << plugInDir.absolutePath();
+            qCritical() << "loadDCPlugin() plugin file name:" << pluginLoader.fileName();
+
+            if (!pluginLoader.isLoaded()) {
+                qCritical() << pluginLoader.errorString();
+                return nullptr;
+            }
+            QObject *plugin = pluginLoader.instance();
+            if (!plugin) {
+                qCritical() << "cannot start instance";
+                return nullptr;
+            }
+            if (! (hw = qobject_cast<hwinf *>(plugin))) {
+                qCritical() << "cannot cast plugin" << plugin << "to hwinf";
+                return nullptr;
+            }
+        } else {
+            qCritical() << pluginLibName << "does not exist";
+            return nullptr;
+        }
+    } else {
+        qCritical() << "plugins directory" << plugInDir.absolutePath()
+                    << "does not exist";
+        return nullptr;
+    }
+    return hw;
+}
+
+bool Update::unloadDCPlugin() {
+    if (pluginLoader.unload()) {
+        qCritical() << "unloaded plugin" << pluginLoader.fileName();
+        // Note: will re-instantiate the library !
+        // QObject *rootObject = pluginLoader.instance();
+        // if (rootObject) {
+        //    qCritical() << "reloaded plugin: root object again available";
+        //    return false;
+        // }
+        // qCritical()unloaded plugin: root object gone";
+        return true;
+    }
+    return false;
+}
+
+class hwapi;
+Update::Update(QString customerRepository,
+               QString customerNrStr,
+               QString branchName,
+               QString plugInDir,
+               QString pluginName,
+               QString workingDir,
+               bool dryRun,
+               QObject *parent,
+               char const *serialInterface,
+               char const *baudrate)
+    : QObject(parent)
+    , m_hw(loadDCPlugin(QDir(plugInDir), pluginName))
+    , m_serialInterface(serialInterface)
+    , m_baudrate(baudrate)
+    , m_customerRepository(customerRepository)
+    , m_customerNrStr(customerNrStr)
+    , m_branchName(branchName)
+    , m_pluginName(pluginName)
+    , m_workingDir(workingDir)
+    , m_dryRun(dryRun)
+    , m_sys_areDCdataValid(false) {
+
+    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 ..."
+                    << m_sys_areDCdataValid;
+    }
+}
+
+Update::~Update() {
+    unloadDCPlugin();
+}
+
+bool Update::doUpdate(QStringList const &filesToWorkOn, bool usbStickDetected) {
+
+    if (!m_hw) {
+        qCritical() << "(" << __func__ << ":" << __LINE__ << "):"
+                    << "ERROR!!! m_hw == nullptr";
+        return false;
+    }
+
+    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() << "(" << __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;
+
+    QList<QString>::const_iterator it;
+    for (it = filesToWorkOn.cbegin(); it != filesToWorkOn.cend(); ++it) {
+        QString const &fToWorkOn = usbStickDetected ? QDir::cleanPath(it->trimmed())
+            : QDir::cleanPath(m_customerRepository + QDir::separator() + it->trimmed());
+        if (fToWorkOn.contains("DC2C_print", Qt::CaseInsensitive)
+         && fToWorkOn.endsWith(".json", Qt::CaseInsensitive)) {
+            res = true;
+            int i = fToWorkOn.indexOf("DC2C_print", Qt::CaseInsensitive);
+            int const templateIdx = fToWorkOn.mid(i).midRef(10, 2).toInt();
+            if ((templateIdx < 1) || (templateIdx > 32)) {
+                qCritical() << "WRONG TEMPLATE INDEX" << templateIdx;
+                res = false;
+            } else {
+                if ((res = updatePrinterTemplate(templateIdx, fToWorkOn))) {
+                    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)) {
+            if ((res = updateCashConf(fToWorkOn))) {
+                qCritical() << QString("DOWNLOADED CASH TEMPLATE %1").arg(fToWorkOn);
+            }
+        } else if (fToWorkOn.contains("DC2C_conf", Qt::CaseInsensitive)
+                && 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;
+        }
+    }
+
+    return res;
+}
+
+bool Update::checkJsonVersions(QStringList const& jsonFileNames) {
+    if (!m_hw) {
+        qCritical() << "(" << __func__ << ":" << __LINE__ << "):"
+                    << "ERROR!!! m_hw == nullptr";
+        return false;
+    }
+
+    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() << "(" << __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);
+    }
+
+    for (QStringList::size_type i=0; i < jsonFileNames.size(); ++i) {
+
+        uint8_t jsonNr = 0;
+
+        QString const &fName = jsonFileNames[i];
+
+        // send one request for every single version
+        // jsonNr=1...36, 1=config file (cust.Nr) 2=devices  3=cash  4=res.
+        //      6=printer template 1 ..... 36= template 32
+
+        if (fName.endsWith("conf.json")) {
+            jsonNr = 1;
+        } else
+        if (fName.endsWith("device.json")) {
+            jsonNr = 2;
+        } else
+        if (fName.endsWith("cash.json")) {
+            jsonNr = 3;
+        } else {
+            QRegularExpressionMatch match;
+            static const QRegularExpression re("^(.*print)([0-3][0-9])\\.json\\s*$");
+            int idx = fName.indexOf(re, 0, &match);
+            if (idx != -1) {
+                QString captured = match.captured(match.lastCapturedIndex());
+                bool ok = false;
+                int n = captured.toInt(&ok);
+                if (ok) {
+                    // note: use 5 (instead of 4 -> index has been shifted)
+                    jsonNr = n + 5;
+                }
+            }
+        }
+
+        if (jsonNr != 0) {
+            // send one request for every single version
+            // jsonNr=1...36, 1=config file (cust.Nr) 2=devices  3=cash  4=res.
+            //      5=printer template 1 ..... 36= template 32
+
+            m_hw->sys_requestJsonVersions(jsonNr);
+            QThread::msleep(500);
+
+            char buf[64];
+            memset(buf, 0x00, sizeof(buf));
+            m_hw->sys_getJsonVersions(jsonNr, buf);
+            buf[16] = '\0'; // the DC only handles 16 bytes
+
+            static const QByteArray cb(16, (char)0xff);
+
+            QString const installedVersion(QString::fromStdString(buf));
+            QString const fileVersion = getFileVersion(jsonFileNames[i]);
+
+            QFileInfo fi(jsonFileNames[i]);
+
+            qCritical() << endl;
+            qCritical() << "                json request nr:" << jsonNr;
+
+            if (installedVersion == fileVersion) {
+                qCritical() << "                      json file:" << fi.fileName();
+                qCritical() << "        installed version in DC:" << installedVersion;
+            } else
+            if (cb == QByteArray(buf) && fileVersion == "") {
+                qCritical() << "unknown json file (repo and DC):" << fi.fileName();
+            } else {
+                qCritical() << "                      json file:" << fi.fileName();
+                qCritical() << "        installed version in DC:" << installedVersion;
+                qCritical() << "     file version in repository:" << fileVersion;
+            }
+
+        } else {
+            qCritical() << "CANNOT FIND JSON-NR FOR" << fName;
+        }
+    }
+
+    return false;
+}
+
+
+QString Update::getFileVersion(QString const& jsonFileName) {
+    // "version":"15.10.2023 14:55 02.00.06",
+    static const QRegularExpression re("^.*(\\\"[Vv]ersion\\\":)([\\s\\\"]{0,})([^,\\\"]{0,}).*$");
+
+    QString fileVersion("");
+    QFile inputFile(QDir::cleanPath(m_customerRepository + QDir::separator() + jsonFileName));
+
+    if (inputFile.exists()) {
+        if (inputFile.open(QIODevice::ReadOnly)) {
+           QTextStream in(&inputFile);
+           while (!in.atEnd()) {
+              QString line = in.readLine();
+
+              QRegularExpressionMatch match;
+              int idx = line.indexOf(re, 0, &match);
+              if (idx != -1) {
+                  int const lastCaptured = match.lastCapturedIndex();
+                  // the dc only sends 16 Byte
+                  fileVersion = match.captured(lastCaptured);
+                  fileVersion.truncate(16);
+                  break;
+              }
+           }
+           inputFile.close();
+        }
+    } else {
+        // qCritical() << "ERROR" << inputFile.fileName() << "does not exist";
+    }
+
+    return fileVersion;
+}
+
+bool Update::downloadJson(enum FileTypeJson type,
+                          int templateIdx,
+                          QString jsFileToSendToDC) const {
+
+    m_hw->dc_autoRequest(true); // downloading Json needs the AutoEmission flag
+    qDebug() << "SET AUTO-REQUEST=TRUE";
+    QThread::sleep(1);  // make sure the auto-request flag is acknowledged
+
+    QStringList lst;
+    bool ready = false;
+    int nTry = 25;
+    while ((ready = m_hw->sys_ready4sending()) == false) {
+        QThread::msleep(200);
+        if (--nTry <= 0) {
+            qCritical() << "SYS NOT READY FOR SENDING AFTER 5 SECONDS";
+            break;
+        }
+    }
+
+    bool ret = false;
+    QString msg;
+    lst.clear();
+    if (ready) {
+        QFile file(jsFileToSendToDC);
+        QFileInfo fi(jsFileToSendToDC); // max. size of template file is 800 bytes
+        if (file.exists()) {
+            if (file.open(QIODevice::ReadOnly)) {
+                if (fi.size() > 0 && fi.size() <= 800) {
+                    QByteArray ba = file.readAll();
+                    // kindOfFile: 1=config, 2=device, 3=cash, 4=serial, 5=time, 6=printer
+                    //      nrOfTemplate=1...32 if kindOfFile==6
+                    //      content = content of the Json file, max 800byte ascii signs
+                    if (m_hw->sys_sendJsonFileToDc((uint8_t)(type),
+                                                   templateIdx,
+                                                   (uint8_t *)ba.data())) {
+
+                        /*
+                         *  Note: the machine id is contained in DC2C_conf.json.
+                         *  The idea was to use this to check if the download of
+                         *  the json-file was correct. It did not work, as the
+                         *  update of the PSA (to reflect a change in the
+                         *  machine id) did not happen immediately.
+                         *
+                            m_hw->dc_autoRequest(true);
+                            QThread::msleep(500);
+
+                            // testing
+                            m_hw->request_ReadbackMachineID();
+                            QThread::msleep(500);
+
+                            uint8_t data[64];
+                            memset(data, 0x00, sizeof(data));
+                            uint8_t length = 0;
+
+                            m_hw->readback_machineIDdata(&length, data);
+
+                            QThread::msleep(500);
+
+                            QByteArray ba((const char*)data, length);
+
+                            qCritical() << length << "MACHINE ID =" << ba.toHex(':');
+                        */
+
+                        ret = true;
+                    } else {
+                        qCritical() << QString("ERROR SEND JSON-FILE %1 TO DC").arg(file.fileName());
+                    }
+                } else {
+                    qCritical() << QString("SIZE OF %1 TOO BIG (%2 BYTES)").arg(jsFileToSendToDC).arg(fi.size());
+                }
+            } else {
+                qCritical() << QString("CAN NOT OPEN ") + jsFileToSendToDC + " FOR READING";
+            }
+        } else {
+            qCritical() << (QString(jsFileToSendToDC) + " DOES NOT EXIST");
+        }
+    }
+
+    m_hw->dc_autoRequest(false);
+    qDebug() << "SET AUTO-REQUEST=FALSE";
+    QThread::sleep(1);  // make sure the auto-request flag is acknowledged
+
+    return ret;
+}
+
+bool Update::updatePrinterTemplate(int templateIdx, QString jsFile) const {
+    return downloadJson(FileTypeJson::PRINTER, templateIdx, jsFile);
+}
+
+bool Update::updateConfig(QString jsFile) {
+    return downloadJson(FileTypeJson::CONFIG, 0, jsFile);
+}
+
+bool Update::updateCashConf(QString jsFile) {
+    return downloadJson(FileTypeJson::CASH, 0, jsFile);
+}
+
+bool Update::updateDeviceConf(QString jsFile) {
+    return downloadJson(FileTypeJson::DEVICE, 0, jsFile);
+}

DownloadDCFirmware/update.h

@@ -0,0 +1,148 @@
+#ifndef UPDATE_H_INCLUDED
+#define UPDATE_H_INCLUDED
+
+#include <QObject>
+#include <QString>
+#include <QFile>
+#include <QDir>
+#include <QByteArray>
+#include <QProcess>
+#include <QPluginLoader>
+
+#include <initializer_list>
+
+#include <DeviceController/interfaces.h>
+
+#ifdef PTU5
+#define SERIAL_PORT "ttymxc2"
+#else
+#define SERIAL_PORT "ttyUSB0"
+#endif
+
+class Update : public QObject {
+    Q_OBJECT
+
+    hwinf *m_hw = nullptr;
+    char const *m_serialInterface;
+    char const *m_baudrate;
+    QString m_customerRepository;
+    QString m_customerNrStr;
+    QString m_branchName;
+    QString m_pluginName;
+    QString m_workingDir;
+    bool m_maintenanceMode;
+    bool m_dryRun;
+    bool m_sys_areDCdataValid;
+
+    static QPluginLoader pluginLoader;
+
+public:
+    enum class DownloadResult {OK, ERROR, TIMEOUT, NOP};
+    enum class FileTypeJson {CONFIG=1, DEVICE=2, CASH=3, SERIAL=4, TIME=5, PRINTER=6};
+
+    static hwinf *loadDCPlugin(QDir const &plugInDir, QString const &fn);
+    static bool unloadDCPlugin();
+    static QStringList split(QString line, QChar sep = ',');
+
+
+    explicit Update(QString customerRepository,
+                    QString customerNrStr,
+                    QString branchName,
+                    QString plugInDir,
+                    QString pluginName,
+                    QString workingDir,
+                    bool dryRun = false,
+                    QObject *parent = nullptr,
+                    char const *serialInterface = SERIAL_PORT,
+                    char const *baudrate = "115200");
+
+    virtual ~Update() override;
+
+    bool doUpdate(QStringList const &jsonFilesToDownload, bool usbStickDetected = false);
+
+    bool updatePrinterTemplate(int templateIdx, QString fname) const;
+    bool updateConfig(QString jsFileToSendToDC);
+    bool updateCashConf(QString jsFileToSendToDC);
+    bool updateDeviceConf(QString jsFileToSendToDC);
+
+    bool downloadJson(enum FileTypeJson type, int templateIdx,
+                      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;
+    void closeSerial() const;
+    bool isSerialOpen() const;
+    bool resetDeviceController() const;
+    QByteArray loadBinaryDCFile(QString filename) const;
+    bool downloadBinaryToDC(QString const &bFile) const;
+    bool updateBinary(QString const &fileToSendToDC);
+    QStringList getDcSoftAndHardWareVersion();
+    QString getFileVersion(QString const& jsonFile);
+
+private slots:
+    void readyReadStandardOutput();
+    void readyReadStandardError();
+    void finished(int exitCode, QProcess::ExitStatus exitStatus);
+    void onReportDCDownloadStatus(QString const &status);
+    void onReportDCDownloadSuccess(QString const &msg);
+    void onReportDCDownloadFailure(QString const &errorMsg);
+*/
+};
+#endif // UPDATE_H_INCLUDED

DownloadDCFirmware/worker_thread.cpp

@@ -0,0 +1,13 @@
+#include "worker_thread.h"
+
+WorkerThread::WorkerThread(QObject *parent)
+  : QThread(parent) {
+}
+
+WorkerThread::~WorkerThread() {
+
+}
+
+void WorkerThread::run() {
+
+}

DownloadDCFirmware/worker_thread.h

@@ -0,0 +1,20 @@
+#ifndef WORKER_THREAD_H_INCLUDED
+#define WORKER_THREAD_H_INCLUDED
+
+#include <QThread>
+
+class WorkerThread : public QThread {
+    Q_OBJECT
+
+public:
+    explicit WorkerThread(QObject *parent = nullptr);
+    ~WorkerThread();
+
+
+private:
+    void run() override;
+
+    bool m_quit = false;
+};
+
+#endif // WORKER_THREAD_H_INCLUDED

DownloadDCJsonFiles/DownloadDCJsonFiles.pro

@@ -90,7 +90,8 @@ HEADERS += \
         ../common/include/System.h
 
 OTHER_FILES += \
-    ATBDownloadDCJsonFiles.ini
+    ATBDownloadDCJsonFiles.ini \
+    ../ATBUpdateTool.ini
 
 
 ##########################################################################################

DownloadDCJsonFiles/main.cpp

@@ -15,6 +15,7 @@
 #include "commandline_parser.h"
 #include "utils.h"
 #include "update.h"
+#include "System.h"
 
 #include <DeviceController/interfaces.h>
 
@@ -68,6 +69,8 @@ int main(int argc, char **argv) {
     QString plugInDir = parser.plugInDir();
     QString plugInName = parser.plugInName();
     QString workingDir = parser.workingDir();
+    QString psaConfigDir = parser.psaConfigDir();
+    QString psaTariffDir = parser.psaTariffDir();
     QString iniFileName = parser.iniFileName();
     bool const dryRun = parser.dryRun();
     bool const noUpdatePsaHardware = parser.noUpdatePsaHardware();
@@ -90,6 +93,8 @@ int main(int argc, char **argv) {
     qInfo() << "plugInDir ................" << plugInDir;
     qInfo() << "plugInName ..............." << plugInName;
     qInfo() << "workingDir ..............." << workingDir;
+    qInfo() << "psaConfigDir ............." << psaConfigDir;
+    qInfo() << "psaTariffDir ............." << psaTariffDir;
     qInfo() << "dryRun ..................." << dryRun;
     qInfo() << "noUpdatePsaHardware ......" << noUpdatePsaHardware;
     qInfo() << "alwaysDownloadConfig ....." << alwaysDownloadConfig;
@@ -108,15 +113,17 @@ int main(int argc, char **argv) {
         return 0;
     }
 
-    QString const customerRepo = QDir::cleanPath(workingDir + QDir::separator() + QString("customer_%1").arg(customerNr));
-
-    qCritical() << "Using customer repository" << customerRepo;
-
-    // always execute contents of opkg_commands-file
+    QString const &customerRepo = QDir::cleanPath(workingDir + QDir::separator() + QString("customer_%1").arg(customerNr));
     QStringList filesToUpdate;
 
-    QDir dir(QDir::cleanPath(customerRepo + QDir::separator() + "etc/psa_config"));
+    // etc/psa_config: located under mount-path
+    std::optional<QString> mountPath = System::checkForUSBStick(psaConfigDir);
+    if (mountPath.has_value()) {
+        filesToUpdate = System::getJsonFilesOnUsbStick(mountPath.value());
+    } else {
+        qCritical() << "Using customer repository" << customerRepo;
 
+        QDir dir(QDir::cleanPath(customerRepo + QDir::separator() + "etc/psa_config"));
         if (dir.exists()) {
             QStringList jsons = dir.entryList(QStringList() << "DC2C*.json", QDir::Files);
             if (!jsons.isEmpty()) {
@@ -128,8 +135,9 @@ int main(int argc, char **argv) {
             qCritical() << "DIRECTORY" << dir << "DOES NOT EXIST";
             return -1;
         }
+    }
 
-    qCritical() << "JSON FILES TO UPDATE" << filesToUpdate;
+    // qCritical() << "JSON FILES TO UPDATE" << filesToUpdate;
 
     Update update(customerRepo,
                   QString::number(customerNr),
@@ -138,8 +146,13 @@ int main(int argc, char **argv) {
                   plugInName,
                   workingDir);
 
-    update.doUpdate(filesToUpdate);
+    update.doUpdate(filesToUpdate, mountPath.has_value());
+    update.checkJsonVersions();
+    //update.checkJsonVersions(filesToUpdate);
+
+    if (mountPath.has_value()) {
+        System::umountUSBStick();
+    }
 
-    //return a.exec();
     return 0;
 }

DownloadDCJsonFiles/update.cpp

@@ -46,7 +46,7 @@ hwinf *Update::loadDCPlugin(QDir const &plugInDir, QString const &fname) {
                 qCritical() << "in directory" << plugInDir.absolutePath();
                 qCritical() << "cannot load plugin" << pluginLoader.fileName();
                 qCritical() << pluginLoader.errorString();
-                exit(-1);
+                return nullptr;
             }
 
             qCritical() << "loadDCPlugin() plugin directory:" << plugInDir.absolutePath();
@@ -54,25 +54,25 @@ hwinf *Update::loadDCPlugin(QDir const &plugInDir, QString const &fname) {
 
             if (!pluginLoader.isLoaded()) {
                 qCritical() << pluginLoader.errorString();
-                exit(-2);
+                return nullptr;
             }
             QObject *plugin = pluginLoader.instance();
             if (!plugin) {
                 qCritical() << "cannot start instance";
-                exit(-3);
+                return nullptr;
             }
             if (! (hw = qobject_cast<hwinf *>(plugin))) {
                 qCritical() << "cannot cast plugin" << plugin << "to hwinf";
-                exit(-4);
+                return nullptr;
             }
         } else {
             qCritical() << pluginLibName << "does not exist";
-            exit(-5);
+            return nullptr;
         }
     } else {
         qCritical() << "plugins directory" << plugInDir.absolutePath()
                     << "does not exist";
-        exit(-6);
+        return nullptr;
     }
     return hw;
 }
@@ -131,53 +131,31 @@ Update::Update(QString customerRepository,
 
         qCritical() << "(" << __func__ << ":" << __LINE__ << ") m_sys_areDCDataValid ..."
                     << m_sys_areDCdataValid;
-
-#if 0
-        QObject const *obj = m_hw->getAPI();
-        Q_ASSERT(obj != nullptr);
-
-        QDebug critical = qCritical();
-        critical << "connect() to onReportDCDownloadStatus() ...";
-        if (!connect(obj,
-                     SIGNAL(hwapi_reportDCDownloadStatus(QString const&)),
-                     this,
-                     SLOT(onReportDCDownloadStatus(QString const &)))) {
-            critical << "FAILED";
-        } else critical << "DONE";
-
-        critical = qCritical();
-        critical << "connect() to onReportDCDownloadSuccess() ...";
-        if (!connect(obj,
-            SIGNAL(hwapi_reportDCDownloadSuccess(QString const&)), this,
-            SLOT(onReportDCDownloadSuccess(QString const &)))) {
-            critical << "FAILED";
-        } else critical << "DONE";
-
-        critical = qCritical();
-        critical << "connect() to onReportDCDownloadFailure() ...";
-        if (!connect(obj,
-            SIGNAL(hwapi_reportDCDownloadFailure(QString const &)), this,
-            SLOT(onReportDCDownloadFailure(QString const &)))) {
-            critical << "FAILED";
-        } else critical << "DONE";
-#endif
     }
 }
 
 Update::~Update() {
-    // unloadDCPlugin();
+    unloadDCPlugin();
 }
 
-bool Update::doUpdate(QStringList const &filesToWorkOn) {
+bool Update::doUpdate(QStringList const &filesToWorkOn, bool usbStickDetected) {
+
+    if (!m_hw) {
+        qCritical() << "(" << __func__ << ":" << __LINE__ << "):"
+                    << "ERROR!!! m_hw == nullptr";
+        return false;
+    }
 
     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-SLAVE-PLUGIN NOT CONNECTED";
+            qCritical() << "(" << __func__ << ":" << __LINE__ << "):"
+                        << "ERROR!!! DC DATA NOT VALID -> CA-SLAVE-PLUGIN NOT CONNECTED";
             return false;
         }
-        qCritical() << "ERROR!!! DC DATA NOT VALID -> CA-SLAVE-PLUGIN NOT CONNECTED (" << tries << ")";
+        qCritical() << "(" << __func__ << ":" << __LINE__ << "):"
+                    << "ERROR!!! DC DATA NOT VALID -> CA-SLAVE-PLUGIN NOT CONNECTED (" << tries << ")";
         m_hw->dc_autoRequest(true);
         QThread::msleep(500);
     }
@@ -186,7 +164,8 @@ bool Update::doUpdate(QStringList const &filesToWorkOn) {
 
     QList<QString>::const_iterator it;
     for (it = filesToWorkOn.cbegin(); it != filesToWorkOn.cend(); ++it) {
-        QString const &fToWorkOn = QDir::cleanPath(m_customerRepository + QDir::separator() + it->trimmed());
+        QString const &fToWorkOn = usbStickDetected ? QDir::cleanPath(it->trimmed())
+            : QDir::cleanPath(m_customerRepository + QDir::separator() + it->trimmed());
         if (fToWorkOn.contains("DC2C_print", Qt::CaseInsensitive)
          && fToWorkOn.endsWith(".json", Qt::CaseInsensitive)) {
             res = true;
@@ -205,19 +184,16 @@ bool Update::doUpdate(QStringList const &filesToWorkOn) {
             }
         } else if (fToWorkOn.contains("DC2C_cash", Qt::CaseInsensitive)
                 && fToWorkOn.endsWith(".json", Qt::CaseInsensitive)) {
-            res = true;
             if ((res = updateCashConf(fToWorkOn))) {
                 qCritical() << QString("DOWNLOADED CASH TEMPLATE %1").arg(fToWorkOn);
             }
         } else if (fToWorkOn.contains("DC2C_conf", Qt::CaseInsensitive)
                 && fToWorkOn.endsWith(".json", Qt::CaseInsensitive)) {
-            res = true;
             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)) {
-            res = true;
             if ((res = updateDeviceConf(fToWorkOn))) {
                 qCritical() << QString("DOWNLOADED DEVICE TEMPLATE %1").arg(fToWorkOn);
             }
@@ -230,13 +206,37 @@ bool Update::doUpdate(QStringList const &filesToWorkOn) {
     return res;
 }
 
-bool Update::checkDownloadedJsonVersions(QStringList const& jsonFileNames) {
+bool Update::checkJsonVersions(QStringList const& jsonFileNames) {
+    if (!m_hw) {
+        qCritical() << "(" << __func__ << ":" << __LINE__ << "):"
+                    << "ERROR!!! m_hw == nullptr";
+        return false;
+    }
+
+    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() << "(" << __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);
+    }
+
     for (QStringList::size_type i=0; i < jsonFileNames.size(); ++i) {
 
         uint8_t jsonNr = 0;
 
         QString const &fName = jsonFileNames[i];
 
+        // send one request for every single version
+        // jsonNr=1...36, 1=config file (cust.Nr) 2=devices  3=cash  4=res.
+        //      6=printer template 1 ..... 36= template 32
+
         if (fName.endsWith("conf.json")) {
             jsonNr = 1;
         } else
@@ -254,31 +254,46 @@ bool Update::checkDownloadedJsonVersions(QStringList const& jsonFileNames) {
                 bool ok = false;
                 int n = captured.toInt(&ok);
                 if (ok) {
-                    jsonNr = n + 4;
+                    // note: use 5 (instead of 4 -> index has been shifted)
+                    jsonNr = n + 5;
                 }
             }
         }
 
         if (jsonNr != 0) {
-#if 0
+            // send one request for every single version
+            // jsonNr=1...36, 1=config file (cust.Nr) 2=devices  3=cash  4=res.
+            //      5=printer template 1 ..... 36= template 32
+
             m_hw->sys_requestJsonVersions(jsonNr);
             QThread::msleep(500);
 
             char buf[64];
             memset(buf, 0x00, sizeof(buf));
             m_hw->sys_getJsonVersions(jsonNr, buf);
-            buf[sizeof(buf)-1] = '\0';
+            buf[16] = '\0'; // the DC only handles 16 bytes
 
-            QString const installedVersion(buf);
+            static const QByteArray cb(16, (char)0xff);
+
+            QString const installedVersion(QString::fromStdString(buf));
             QString const fileVersion = getFileVersion(jsonFileNames[i]);
 
-            qCritical() << "installed version:" << installedVersion;
-            qCritical() << "     file version:" << fileVersion;
+            QFileInfo fi(jsonFileNames[i]);
+
+            qCritical() << endl;
+            qCritical() << "                json request nr:" << jsonNr;
 
             if (installedVersion == fileVersion) {
-
+                qCritical() << "                      json file:" << fi.fileName();
+                qCritical() << "        installed version in DC:" << installedVersion;
+            } else
+            if (cb == QByteArray(buf) && fileVersion == "") {
+                qCritical() << "unknown json file (repo and DC):" << fi.fileName();
+            } else {
+                qCritical() << "                      json file:" << fi.fileName();
+                qCritical() << "        installed version in DC:" << installedVersion;
+                qCritical() << "     file version in repository:" << fileVersion;
             }
-#endif
 
         } else {
             qCritical() << "CANNOT FIND JSON-NR FOR" << fName;
@@ -288,6 +303,39 @@ bool Update::checkDownloadedJsonVersions(QStringList const& jsonFileNames) {
     return false;
 }
 
+
+QString Update::getFileVersion(QString const& jsonFileName) {
+    // "version":"15.10.2023 14:55 02.00.06",
+    static const QRegularExpression re("^.*(\\\"[Vv]ersion\\\":)([\\s\\\"]{0,})([^,\\\"]{0,}).*$");
+
+    QString fileVersion("");
+    QFile inputFile(QDir::cleanPath(m_customerRepository + QDir::separator() + jsonFileName));
+
+    if (inputFile.exists()) {
+        if (inputFile.open(QIODevice::ReadOnly)) {
+           QTextStream in(&inputFile);
+           while (!in.atEnd()) {
+              QString line = in.readLine();
+
+              QRegularExpressionMatch match;
+              int idx = line.indexOf(re, 0, &match);
+              if (idx != -1) {
+                  int const lastCaptured = match.lastCapturedIndex();
+                  // the dc only sends 16 Byte
+                  fileVersion = match.captured(lastCaptured);
+                  fileVersion.truncate(16);
+                  break;
+              }
+           }
+           inputFile.close();
+        }
+    } else {
+        // qCritical() << "ERROR" << inputFile.fileName() << "does not exist";
+    }
+
+    return fileVersion;
+}
+
 bool Update::downloadJson(enum FileTypeJson type,
                           int templateIdx,
                           QString jsFileToSendToDC) const {

DownloadDCJsonFiles/update.h

@@ -9,6 +9,8 @@
 #include <QProcess>
 #include <QPluginLoader>
 
+#include <initializer_list>
+
 #include <DeviceController/interfaces.h>
 
 #ifdef PTU5
@@ -56,7 +58,7 @@ public:
 
     virtual ~Update() override;
 
-    bool doUpdate(QStringList const &jsonFilesToDownload);
+    bool doUpdate(QStringList const &jsonFilesToDownload, bool usbStickDetected = false);
 
     bool updatePrinterTemplate(int templateIdx, QString fname) const;
     bool updateConfig(QString jsFileToSendToDC);
@@ -67,7 +69,46 @@ public:
                       QString jsFileToSendToDC) const;
 
 
-    bool checkDownloadedJsonVersions(QStringList const& jsonFileNames);
+    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);
 

UpdatePTUDevCtrl/UpdatePTUDevCtrl.pro

@@ -119,7 +119,20 @@ DEFINES += QT_DEPRECATED_WARNINGS
 #         : Improve output of GUI/Console and messages sent to ISMAS.
 #         : Fix: do not send the json-files to dc in any case. Bug introduced
 #           when pulling new branch, but branch already existed locally.
-VERSION="1.4.6"
+# 1.4.6   : No exit()-call if loading CA-plugin fails.
+#           Check m_hw (pointer to CA-(Slave)Plugin) before its use.
+#           Only exit() if firmware is configured to be possibly updated, but
+#           loading the CA-plugin failed.
+# 1.4.7   : Read Json-file versions of Json-files actually loaded into DC.
+# 1.4.8   : Improve reading Json-file versions of Json-files actually loaded
+#           in DC. If available, show version info instead of blob-info of
+#           Json file.
+# 1.4.9   : Improve ISMAS output: add messages for JSON downloads.
+#           Do not send CHECK_ISMAS_TRIGGER_SUCCESS to ISMAS for an automatic
+#           update.
+#           In case there is an automatic update (00:00-04:00) use M0100 instead
+#           of U0002.
+VERSION="1.4.9"
 # PLANNED TODOS:
 #   1:  Das Repository wird repariert bwz. neu geklont. Unabhaengig vom WAIT.
 #   2:  Wenn der WAIT-Button aktiv ist, dann wird ein Repository repariert (neu

UpdatePTUDevCtrl/commandline_parser.cpp

@@ -60,6 +60,16 @@ CommandLineParser::CommandLineParser()
             QStringList() << "working-directory" << "working-directory",
             QCoreApplication::translate("main", "working directory of update-script."),
             QCoreApplication::translate("main", "directory")))
+  , m_psaConfigDirectoryOption(
+        QCommandLineOption(
+            QStringList() << "psa-config-directory" << "psa-config-directory",
+            QCoreApplication::translate("main", "config directory of json-files sent to dc."),
+            QCoreApplication::translate("main", "directory")))
+  , m_psaTariffDirectoryOption(
+        QCommandLineOption(
+            QStringList() << "psa-tariff-directory" << "psa-tariff-directory",
+            QCoreApplication::translate("main", "tariff directory of tariff-json-files."),
+            QCoreApplication::translate("main", "directory")))
   , m_dryRunOption(
         QCommandLineOption(
             QStringList() << "d" << "dry-run",
@@ -111,6 +121,12 @@ void CommandLineParser::configure() {
     m_workingDirectoryOption.setDefaultValue("/opt/app/tools/atbupdate/");
     m_parser.addOption(m_workingDirectoryOption);
 
+    m_psaConfigDirectoryOption.setDefaultValue("etc/psa_config/");
+    m_parser.addOption(m_psaConfigDirectoryOption);
+
+    m_psaTariffDirectoryOption.setDefaultValue("etc/psa_tariff/");
+    m_parser.addOption(m_psaTariffDirectoryOption);
+
     m_dryRunOption.setDefaultValue("false");
     m_parser.addOption(m_dryRunOption);
 
@@ -151,6 +167,12 @@ void CommandLineParser::readSettings() {
                 if (key.contains("working-directory")) {
                     m_workingDir = v.toString();
                 } else
+                if (key.contains("psa-config-directory")) {
+                    m_psaConfigDir = v.toString();
+                } else
+                if (key.contains("psa-tariff-directory")) {
+                    m_psaTariffDir = v.toString();
+                } else
                 if (key.contains("dry-run")) {
                     m_dryRun = (v.toBool() ? "true" : "false");
                 } else
@@ -207,6 +229,20 @@ QString CommandLineParser::plugInName() {
     return m_plugInName;
 }
 
+QString CommandLineParser::psaConfigDir() {
+    if (m_parser.isSet(m_psaConfigDirectoryOption)) {
+        m_psaConfigDir = m_parser.value(m_psaConfigDirectoryOption);
+    }
+    return m_psaConfigDir;
+}
+
+QString CommandLineParser::psaTariffDir() {
+    if (m_parser.isSet(m_psaTariffDirectoryOption)) {
+        m_psaTariffDir = m_parser.value(m_psaTariffDirectoryOption);
+    }
+    return m_psaTariffDir;
+}
+
 QString CommandLineParser::workingDir() {
     if (m_parser.isSet(m_workingDirectoryOption)) {
         m_workingDir = m_parser.value(m_workingDirectoryOption);

UpdatePTUDevCtrl/commandline_parser.h

@@ -11,6 +11,8 @@ class CommandLineParser : public QCommandLineParser {
     QString m_plugInDir;
     QString m_plugInName;
     QString m_workingDir;
+    QString m_psaConfigDir;
+    QString m_psaTariffDir;
     QString m_dryRun;
     QString m_noUpdatePsaHardware;
     QString m_showYoctoVersion;
@@ -29,6 +31,8 @@ class CommandLineParser : public QCommandLineParser {
     QCommandLineOption m_alwaysDownloadConfigOption;
     QCommandLineOption m_alwaysDownloadDCOption;
     QCommandLineOption m_workingDirectoryOption;
+    QCommandLineOption m_psaConfigDirectoryOption;
+    QCommandLineOption m_psaTariffDirectoryOption;
     QCommandLineOption m_dryRunOption;
     QCommandLineOption m_extendedVersionOption;
     QCommandLineOption m_yoctoVersionOption;
@@ -52,6 +56,8 @@ public:
     QString plugInDir();
     QString plugInName();
     QString workingDir();
+    QString psaConfigDir();
+    QString psaTariffDir();
     bool dryRun();
     bool noUpdatePsaHardware();
     bool yoctoVersion();

UpdatePTUDevCtrl/ismas/ismas_client.cpp

@@ -342,8 +342,11 @@ IsmasClient::sendRequestReceiveResponse(int port, QString const &request) {
                 return std::nullopt;
             }
         } else {
+            if (!response.contains("RECORD")) {
+                // maybe APISM does not send valid JSON: "RECORD SAVED" etc.
                 printDebugMessage(port, clientIP, clientPort,
                     QString("PARSE ERROR ") + response + " " + parseError.errorString());
+            }
             ::close(sockfd);
             return std::nullopt;
         }
@@ -360,7 +363,19 @@ QString IsmasClient::updateNewsToIsmas(char const *event,
     char buf[1024];
     memset(buf, 0, sizeof(buf));
 
-    QString const ts = QDateTime::currentDateTime().toString(Qt::ISODateWithMs);
+    QDateTime const local(QDateTime::currentDateTime());
+
+    QDateTime utc(local);
+    utc.setTimeSpec(Qt::UTC);
+
+    int const diff = (int)local.secsTo(utc); // diff between UTC and local time
+
+    QTime t(0, 0, 0);
+    t = t.addSecs((uint)diff);
+
+    QString const st(QString("%1%2").arg(diff < 0 ? "-" : "+").arg(t.toString("hh:mm")));
+    QString const ts(local.toString(Qt::ISODateWithMs) + st);
+
     snprintf(buf, sizeof(buf)-1,
         "{"
             "\"REASON\":\"SW_UP\","

UpdatePTUDevCtrl/main.cpp

@@ -62,7 +62,8 @@ int main(int argc, char *argv[]) {
     QApplication::setApplicationVersion(APP_VERSION);
 
     if (!messageHandlerInstalled()) { // change internal qt-QDebug-handling
-        atbInstallMessageHandler(atbDebugOutput);
+        atbInstallMessageHandler(nullptr);
+        //atbInstallMessageHandler(atbDebugOutput);
         setDebugLevel(LOG_NOTICE);
     }
 
@@ -130,8 +131,10 @@ int main(int argc, char *argv[]) {
     if (!QDir(plugInDir).exists()) {
         qCritical() << plugInDir
                     << "does not exists, but has to contain dc-library";
+        if (noUpdatePsaHardware == false) {
             exit(-1);
         }
+    }
 
     // before loading the library, delete all possible shared memory segments
 #if defined Q_OS_LINUX || defined Q_OS_UNIX

UpdatePTUDevCtrl/process/command.cpp

@@ -57,21 +57,21 @@ bool Command::execute(QString workingDirectory, QStringList args) {
     connect(&(*p), SIGNAL(readyReadStandardError()), this, SLOT(readyReadStandardError()));
 
     if (!args.isEmpty()) {
-        qDebug() << "START COMMAND" << m_command << "WITH ARGS" << args
-                 << "IN" << p->workingDirectory();
+        //qDebug() << "START COMMAND" << m_command << "WITH ARGS" << args
+        //         << "IN" << p->workingDirectory();
         p->start(m_command, args);
     } else {
-        qDebug() << "START COMMAND" << m_command
-                 << "IN" << p->workingDirectory();
+        //qDebug() << "START COMMAND" << m_command
+        //         << "IN" << p->workingDirectory();
         p->start(m_command);
     }
 
     qint64 const start = QDateTime::currentDateTime().toMSecsSinceEpoch();
 
     if (p->waitForStarted(m_waitForStartTimeout)) {
-        qDebug() << "PROCESS" << m_command << "STARTED IN" << p->workingDirectory();
+        // qDebug() << "PROCESS" << m_command << "STARTED IN" << p->workingDirectory();
         if (p->state() == QProcess::ProcessState::Running) {
-            qDebug() << "PROCESS" << m_command << "RUNNING IN" << p->workingDirectory();
+            // qDebug() << "PROCESS" << m_command << "RUNNING IN" << p->workingDirectory();
             // wait forever for git/opkg-commands to finish
             int wait = m_waitForFinishTimeout;
             if (m_command.trimmed().startsWith("git", Qt::CaseInsensitive) ||
@@ -80,7 +80,7 @@ bool Command::execute(QString workingDirectory, QStringList args) {
             }
             bool const no_timeout = p->waitForFinished(wait);
             if (no_timeout) {
-                qDebug() << "PROCESS" << m_command << "FINISHED IN" << p->workingDirectory();
+                // qDebug() << "PROCESS" << m_command << "FINISHED IN" << p->workingDirectory();
                 if (p->exitStatus() == QProcess::NormalExit) {
                     if ((m_exitCode = p->exitCode()) == 0) {
                         qint64 const end = QDateTime::currentDateTime().toMSecsSinceEpoch();

UpdatePTUDevCtrl/update.cpp

@@ -52,7 +52,6 @@ hwinf *Update::loadDCPlugin(QDir const &plugInDir, QString const &fname) {
                 qCritical() << "in directory" << plugInDir.absolutePath();
                 qCritical() << "cannot load plugin" << pluginLoader.fileName();
                 qCritical() << pluginLoader.errorString();
-                exit(-1);
             }
 
             qCritical() << "loadDCPlugin() plugin directory:" << plugInDir.absolutePath();
@@ -60,25 +59,20 @@ hwinf *Update::loadDCPlugin(QDir const &plugInDir, QString const &fname) {
 
             if (!pluginLoader.isLoaded()) {
                 qCritical() << pluginLoader.errorString();
-                exit(-2);
             }
             QObject *plugin = pluginLoader.instance();
             if (!plugin) {
                 qCritical() << "cannot start instance";
-                exit(-3);
             }
             if (! (hw = qobject_cast<hwinf *>(plugin))) {
                 qCritical() << "cannot cast plugin" << plugin << "to hwinf";
-                exit(-4);
             }
         } else {
             qCritical() << pluginLibName << "does not exist";
-            exit(-5);
         }
     } else {
         qCritical() << "plugins directory" << plugInDir.absolutePath()
                     << "does not exist";
-        exit(-6);
     }
     return hw;
 }
@@ -124,7 +118,7 @@ Update::Update(Worker *worker,
     , m_sys_areDCdataValid(false) {
 
     if (!m_hw) {
-        qCritical() << "(" << __func__ << ":" << __LINE__ << ") m_hw == nullptr -> ca-slave plugin loaded ???";
+        qCritical() << "(" << __func__ << ":" << __LINE__ << ") m_hw == nullptr -> ca-slave plugin not loaded";
     } else {
         int tries = 20;
         while ((m_sys_areDCdataValid = m_hw->sys_areDCdataValid()) == false) {
@@ -191,6 +185,7 @@ void Update::onReportDCDownloadFailure(QString const &errorMsg) {
 
 // br is a index into a table, used for historical reasons.
 bool Update::openSerial(int br, QString baudrate, QString comPort) const {
+    if (m_hw) {
         qDebug() << "opening serial" << br << baudrate << comPort << "...";
         if (m_hw->dc_openSerial(br, baudrate, comPort, 1) == true) { // 1 for connect
             Utils::printInfoMsg(
@@ -208,16 +203,19 @@ bool Update::openSerial(int br, QString baudrate, QString comPort) const {
         Utils::printCriticalErrorMsg(
             QString("OPENING SERIAL %1").arg(br)
                   + " " + baudrate + " " + comPort + "...FAILED");
+    }
     return false;
 }
 
 void Update::closeSerial() const {
     qInfo() << "CLOSED SERIAL" << m_baudrate << m_serialInterface;
+    if (m_hw) {
         m_hw->dc_closeSerial();
     }
+}
 
 bool Update::isSerialOpen() const {
-    return m_hw->dc_isPortOpen();
+    return m_hw ? m_hw->dc_isPortOpen() : false;
 }
 
 /*
@@ -396,6 +394,7 @@ bool Update::downloadJson(enum FileTypeJson type,
                           int templateIdx,
                           QString jsFileToSendToDC) const {
 
+    if (m_hw) {
         m_hw->dc_autoRequest(true); // downloading Json needs the AutoEmission flag
         qDebug() << "SET AUTO-REQUEST=TRUE";
         QThread::sleep(1);  // make sure the auto-request flag is acknowledged
@@ -411,25 +410,27 @@ bool Update::downloadJson(enum FileTypeJson type,
                 lst << msg;
 
                 if (m_worker) {
-                m_worker->ISMAS(lst) << (m_worker->GUI(lst) << (m_worker->CONSOLE(lst) << Worker::UPDATE_STEP::DOWNLOAD_FILES_TO_PSA_HARDWARE));
+                    m_worker->ISMAS(lst) << (m_worker->GUI(lst) << (m_worker->CONSOLE(lst) << Worker::UPDATE_STEP::DOWNLOAD_JSON_FILE_FAILURE));
                 }
                 break;
             }
         }
 
-    bool ret = false;
-    QString msg;
         lst.clear();
         if (ready) {
+            QString msg;
             QFile file(jsFileToSendToDC);
             QFileInfo fi(jsFileToSendToDC); // max. size of template file is 800 bytes
             if (file.exists()) {
                 if (file.open(QIODevice::ReadOnly)) {
                     if (fi.size() > 0 && fi.size() <= 800) {
                         QByteArray ba = file.readAll();
+
                         // kindOfFile: 1=config, 2=device, 3=cash, 4=serial, 5=time, 6=printer
                         //      nrOfTemplate=1...32 if kindOfFile==6
                         //      content = content of the Json file, max 800byte ascii signs
+
+                        // type == kindOfFile
                         if (m_hw->sys_sendJsonFileToDc((uint8_t)(type),
                                                        templateIdx,
                                                        (uint8_t *)ba.data())) {
@@ -462,17 +463,20 @@ bool Update::downloadJson(enum FileTypeJson type,
                             */
 
                             if (m_worker) {
-                            m_worker->ISMAS(lst) << (m_worker->GUI(lst) << (m_worker->CONSOLE(lst) << Worker::UPDATE_STEP::DOWNLOAD_FILES_TO_PSA_HARDWARE));
+                                lst.clear();
+                                if (templateIdx >= 1 && templateIdx <= 32) {
+                                    lst << QString("LOADED %1 (%2) TO DC").arg(fi.fileName()).arg(templateIdx);
+                                } else {
+                                    lst << QString("LOADED %1 (%2) TO DC").arg(fi.fileName()).arg((uint8_t)type);
+                                }
+                                m_worker->ISMAS(lst) << (m_worker->GUI(lst) << (m_worker->CONSOLE(lst) << Worker::UPDATE_STEP::DOWNLOAD_JSON_FILE));
                             }
-
-                        ret = true;
                         } else {
                             msg = QString("ERROR SEND JSON-FILE %1 TO DC").arg(file.fileName());
                             Utils::printCriticalErrorMsg(msg);
                             lst << msg;
                             if (m_worker) {
-                            m_worker->ISMAS(lst) <<  (m_worker->GUI(lst) << (m_worker->CONSOLE(lst)
-                                                 << Worker::UPDATE_STEP::DOWNLOAD_FILES_TO_PSA_HARDWARE));
+                                m_worker->GUI(lst) << (m_worker->CONSOLE(lst) << Worker::UPDATE_STEP::DOWNLOAD_JSON_FILE_FAILURE);
                             }
                         }
                     } else {
@@ -480,8 +484,7 @@ bool Update::downloadJson(enum FileTypeJson type,
                         Utils::printCriticalErrorMsg(msg);
                         lst << msg;
                         if (m_worker) {
-                        m_worker->ISMAS(lst) <<  (m_worker->GUI(lst) << (m_worker->CONSOLE(lst)
-                                             << Worker::UPDATE_STEP::DOWNLOAD_FILES_TO_PSA_HARDWARE));
+                            m_worker->GUI(lst) << (m_worker->CONSOLE(lst) << Worker::UPDATE_STEP::DOWNLOAD_JSON_FILE_FAILURE);
                         }
                     }
                 } else {
@@ -490,8 +493,7 @@ bool Update::downloadJson(enum FileTypeJson type,
                     lst << msg;
 
                     if (m_worker) {
-                    m_worker->ISMAS(lst) <<  (m_worker->GUI(lst) << (m_worker->CONSOLE(lst)
-                                         << Worker::UPDATE_STEP::DOWNLOAD_FILES_TO_PSA_HARDWARE));
+                        m_worker->GUI(lst) << (m_worker->CONSOLE(lst) << Worker::UPDATE_STEP::DOWNLOAD_JSON_FILE_FAILURE);
                     }
                 }
             } else {
@@ -500,8 +502,7 @@ bool Update::downloadJson(enum FileTypeJson type,
                 lst << msg;
 
                 if (m_worker) {
-                m_worker->ISMAS(lst) <<  (m_worker->GUI(lst) << (m_worker->CONSOLE(lst)
-                                     << Worker::UPDATE_STEP::DOWNLOAD_FILES_TO_PSA_HARDWARE));
+                    m_worker->GUI(lst) << (m_worker->CONSOLE(lst) << Worker::UPDATE_STEP::DOWNLOAD_JSON_FILE_FAILURE);
                 }
             }
         }
@@ -509,8 +510,9 @@ bool Update::downloadJson(enum FileTypeJson type,
         m_hw->dc_autoRequest(false);
         qDebug() << "SET AUTO-REQUEST=FALSE";
         QThread::sleep(1);  // make sure the auto-request flag is acknowledged
+    }
 
-    return ret;
+    return true;
 }
 
 bool Update::updatePrinterTemplate(int templateIdx, QString jsFile) const {
@@ -518,14 +520,18 @@ bool Update::updatePrinterTemplate(int templateIdx, QString jsFile) const {
 }
 
 bool Update::updateConfig(QString jsFile) {
+    // IMPORTANT: the JSON-file has a 'title'-line: the value MUST be 'DC2C_config'
     return downloadJson(FileTypeJson::CONFIG, 0, jsFile);
 }
 
 bool Update::updateCashConf(QString jsFile) {
+    // IMPORTANT: the JSON-file has a 'title'-line: the value MUST be 'DC2C_cash  '
+    // Note the twp spaces after DC2C_cash !!
     return downloadJson(FileTypeJson::CASH, 0, jsFile);
 }
 
 bool Update::updateDeviceConf(QString jsFile) {
+    // IMPORTANT: the JSON-file has a 'title'-line: the value MUST be 'DC2C_device'
     return downloadJson(FileTypeJson::DEVICE, 0, jsFile);
 }
 
@@ -564,6 +570,7 @@ void Update::finished(int /*exitCode*/, QProcess::ExitStatus /*exitStatus*/) {
 }
 
 QStringList Update::getDcSoftAndHardWareVersion() {
+    if (m_hw) {
         m_hw->dc_autoRequest(true);
         QThread::sleep(1); // make sure the timer-slots are active
 
@@ -583,6 +590,7 @@ QStringList Update::getDcSoftAndHardWareVersion() {
         if (!hwVersion.isEmpty() && !swVersion.isEmpty()) {
             return QStringList() << hwVersion << swVersion;
         }
+    }
 
     return QStringList() << "DC HW-version not available"
                          << "DC SW-version not available";
@@ -590,10 +598,12 @@ QStringList Update::getDcSoftAndHardWareVersion() {
 
 QString Update::getFileVersion(QString const& jsonFileName) {
     // "version":"15.10.2023 14:55 02.00.06",
-    static const QRegularExpression re("^.*(\\\"version\\\":)(.*)$");
+    static const QRegularExpression re("^.*(\\\"[Vv]ersion\\\":)([\\s\\\"]{0,})([^,\\\"]{0,}).*$");
 
-    QString fileVersion;
-    QFile inputFile(jsonFileName);
+    QString fileVersion("");
+    QFile inputFile(QDir::cleanPath(m_customerRepository + QDir::separator() + jsonFileName));
+
+    if (inputFile.exists()) {
         if (inputFile.open(QIODevice::ReadOnly)) {
            QTextStream in(&inputFile);
            while (!in.atEnd()) {
@@ -602,12 +612,18 @@ QString Update::getFileVersion(QString const& jsonFileName) {
               QRegularExpressionMatch match;
               int idx = line.indexOf(re, 0, &match);
               if (idx != -1) {
-              fileVersion = match.captured(match.lastCapturedIndex());
+                  int const lastCaptured = match.lastCapturedIndex();
+                  // the dc only sends 16 Byte
+                  fileVersion = match.captured(lastCaptured);
+                  fileVersion.truncate(16);
                   break;
               }
            }
            inputFile.close();
         }
+    } else {
+        // qCritical() << "ERROR" << inputFile.fileName() << "does not exist";
+    }
 
     return fileVersion;
 }
@@ -617,60 +633,192 @@ bool Update::checkDownloadedJsonVersions(QStringList const& jsonFileNames) {
     for (QStringList::size_type i=0; i < jsonFileNames.size(); ++i) {
 
         uint8_t jsonNr = 0;
-        QFileInfo fInfo(jsonFileNames[i]);
 
-        if (fInfo.fileName().endsWith("conf.json")) {
+        QString const &fName = jsonFileNames[i];
+
+        // send one request for every single version
+        // jsonNr=1...36, 1=config file (cust.Nr) 2=devices  3=cash  4=res.
+        //      6=printer template 1 ..... 36= template 32
+
+        if (fName.endsWith("conf.json")) {
             jsonNr = 1;
         } else
-        if (fInfo.fileName().endsWith("device.json")) {
+        if (fName.endsWith("device.json")) {
             jsonNr = 2;
         } else
-        if (fInfo.fileName().endsWith("cash.json")) {
+        if (fName.endsWith("cash.json")) {
             jsonNr = 3;
         } else {
             QRegularExpressionMatch match;
             static const QRegularExpression re("^(.*print)([0-3][0-9])\\.json\\s*$");
-            int idx = fInfo.fileName().indexOf(re, 0, &match);
+            int idx = fName.indexOf(re, 0, &match);
             if (idx != -1) {
                 QString captured = match.captured(match.lastCapturedIndex());
                 bool ok = false;
                 int n = captured.toInt(&ok);
                 if (ok) {
-                    jsonNr = n + 4;
+                    // note: the '5' is correct
+                    jsonNr = n + 5;
                 }
             }
         }
 
         if (jsonNr != 0) {
-#if 0
+            // send one request for every single version
+            // jsonNr=1...36, 1=config file (cust.Nr) 2=devices  3=cash  4=res.
+            //      5=printer template 1 ..... 36= template 32
+
             m_hw->sys_requestJsonVersions(jsonNr);
             QThread::msleep(500);
 
             char buf[64];
             memset(buf, 0x00, sizeof(buf));
             m_hw->sys_getJsonVersions(jsonNr, buf);
-            buf[sizeof(buf)-1] = '\0';
+            buf[16] = '\0'; // the DC only handles 16 bytes
 
-            QString const installedVersion(buf);
+            static const QByteArray cb(16, (char)0xff);
+
+            QString const installedVersion(QString::fromStdString(buf));
             QString const fileVersion = getFileVersion(jsonFileNames[i]);
 
-            qCritical() << "installed version:" << installedVersion;
-            qCritical() << "     file version:" << fileVersion;
+            QFileInfo fi(jsonFileNames[i]);
+
+            qCritical() << endl;
+            qCritical() << "                json request nr:" << jsonNr;
 
             if (installedVersion == fileVersion) {
-
+                qCritical() << "                      json file:" << fi.fileName();
+                qCritical() << "        installed version in DC:" << installedVersion;
+            } else
+            if (cb == QByteArray(buf) && fileVersion == "") {
+                qCritical() << "unknown json file (repo and DC):" << fi.fileName();
+            } else {
+                qCritical() << "                      json file:" << fi.fileName();
+                qCritical() << "        installed version in DC:" << installedVersion;
+                qCritical() << "     file version in repository:" << fileVersion;
             }
-#endif
 
         } else {
-            qCritical() << "CANNOT FIND JSON-NR FOR" << jsonFileNames[i];
+            qCritical() << "CANNOT FIND JSON-NR FOR" << fName;
         }
     }
 
     return false;
 }
+
+QMap<QString, QString>
+Update::getInstalledJsonVersions(QStringList const& jsonFileNames) {
+    QMap<QString, QString> map;
+
+    if (!m_hw) {
+        qCritical() << "(" << __func__ << ":" << __LINE__ << "):"
+                    << "ERROR!!! m_hw == nullptr";
+        return map;
+    }
+
+    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() << "(" << __func__ << ":" << __LINE__ << "):"
+                        << "ERROR!!! DC DATA NOT VALID -> CA-SLAVE-PLUGIN NOT CONNECTED";
+            return map;
+        }
+        qCritical() << "(" << __func__ << ":" << __LINE__ << "):"
+                    << "ERROR!!! DC DATA NOT VALID -> CA-SLAVE-PLUGIN NOT CONNECTED (" << tries << ")";
+        m_hw->dc_autoRequest(true);
+        QThread::msleep(500);
+    }
+
+    for (QStringList::size_type i=0; i < jsonFileNames.size(); ++i) {
+
+        uint8_t jsonNr = 0;
+
+        QString const &fName = jsonFileNames[i];
+
+        // send one request for every single version
+        // jsonNr=1...36, 1=config file (cust.Nr) 2=devices  3=cash  4=res.
+        //      6=printer template 1 ..... 36= template 32
+
+        if (fName.endsWith("conf.json")) {
+            jsonNr = 1;
+        } else
+        if (fName.endsWith("device.json")) {
+            jsonNr = 2;
+        } else
+        if (fName.endsWith("cash.json")) {
+            jsonNr = 3;
+        } else {
+            QRegularExpressionMatch match;
+            static const QRegularExpression re("^(.*print)([0-3][0-9])\\.json\\s*$");
+            int idx = fName.indexOf(re, 0, &match);
+            if (idx != -1) {
+                QString captured = match.captured(match.lastCapturedIndex());
+                bool ok = false;
+                int n = captured.toInt(&ok);
+                if (ok) {
+                    // note: use 5 (instead of 4 -> index has been shifted)
+                    jsonNr = n + 5;
+                }
+            }
+        }
+
+        if (jsonNr != 0) {
+            // send one request for every single version
+            // jsonNr=1...36, 1=config file (cust.Nr) 2=devices  3=cash  4=res.
+            //      5=printer template 1 ..... 36= template 32
+
+            m_hw->sys_requestJsonVersions(jsonNr);
+            QThread::msleep(500);
+
+            char buf[64];
+            memset(buf, 0x00, sizeof(buf));
+            m_hw->sys_getJsonVersions(jsonNr, buf);
+            buf[16] = '\0'; // the DC only handles 16 bytes
+
+            static const QByteArray cb(16, (char)0xff);
+
+            QString const installedVersion(QString::fromStdString(buf));
+            QString const fileVersion = getFileVersion(jsonFileNames[i]);
+
+            QFileInfo fi(jsonFileNames[i]);
+
+            if (cb == QByteArray(buf)) {
+                map.insert(fi.fileName(), "inst.vers.not.avail");
+            } else {
+                map.insert(fi.fileName(), installedVersion);
+            }
+
+            qCritical() << endl;
+            qCritical() << "                json request nr:" << jsonNr;
+
+            if (installedVersion == fileVersion) {
+                qCritical() << "                      json file:" << fi.fileName();
+                qCritical() << "        installed version in DC:" << installedVersion;
+            } else
+            if (cb == QByteArray(buf) && fileVersion == "") {
+                qCritical() << "unknown json file (repo and DC):" << fi.fileName();
+            } else {
+                qCritical() << "                      json file:" << fi.fileName();
+                qCritical() << "        installed version in DC:" << installedVersion;
+                qCritical() << "     file version in repository:" << fileVersion;
+            }
+
+        } else {
+            qCritical() << "CANNOT FIND JSON-NR FOR" << fName;
+        }
+    }
+
+    return map;
+}
+
 bool Update::doUpdate(int &displayIndex, QStringList const &filesToWorkOn) {
 
+    if (!m_hw) {
+        Utils::printInfoMsg("CA-PLUGIN NOT LOADED");
+        return false;
+    }
+
     int tries = 20;
     while ((m_sys_areDCdataValid = m_hw->sys_areDCdataValid()) == false) {
         // must deliver 'true', only then are all data from hwapi valid
@@ -803,46 +951,59 @@ bool Update::doUpdate(int &displayIndex, QStringList const &filesToWorkOn) {
                 res = false;
             } else {
                 if ((res = updatePrinterTemplate(templateIdx, fToWorkOn))) {
-                    Utils::printInfoMsg(
-                        QString("DOWNLOADED PRINTER TEMPLATE %1 WITH INDEX=%2")
-                            .arg(fToWorkOn)
-                            .arg(templateIdx));
+                    if (m_worker) {
+                        QStringList lst(QString("DL:%1 (%2)").arg(QFileInfo(fToWorkOn).fileName()).arg(templateIdx));
+                        m_worker->ISMAS(lst) << (m_worker->CONSOLE(lst) << Worker::UPDATE_STEP::DOWNLOAD_JSON_FILE_SUCCESS);
+
                         ++displayIndex;
                         emit m_worker->appendText(QString("\n(") + QString("%1").arg(displayIndex).rightJustified(3, ' ') + QString(")")
                               + QString(" Update ") + QFileInfo(fToWorkOn).fileName(),
                                 Worker::UPDATE_STEP_DONE);
                     }
                 }
+            }
         } else if (fToWorkOn.contains("DC2C_cash", Qt::CaseInsensitive)
                 && fToWorkOn.endsWith(".json", Qt::CaseInsensitive)) {
             res = true;
             if ((res = updateCashConf(fToWorkOn))) {
-                Utils::printInfoMsg(QString("DOWNLOADED CASH TEMPLATE %1").arg(fToWorkOn));
+                if (m_worker) {
+                    QStringList lst(QString("DL:%1").arg(QFileInfo(fToWorkOn).fileName()));
+                    m_worker->ISMAS(lst) << (m_worker->CONSOLE(lst) << Worker::UPDATE_STEP::DOWNLOAD_CASH_FILE_SUCCESS);
+
                     ++displayIndex;
                     emit m_worker->appendText(QString("\n(") + QString("%1").arg(displayIndex).rightJustified(3, ' ') + QString(")")
                           + QString(" Update ") + QFileInfo(fToWorkOn).fileName(),
                             Worker::UPDATE_STEP_DONE);
                 }
+            }
         } else if (fToWorkOn.contains("DC2C_conf", Qt::CaseInsensitive)
                 && fToWorkOn.endsWith(".json", Qt::CaseInsensitive)) {
             res = true;
             if ((res= updateConfig(fToWorkOn))) {
-                Utils::printInfoMsg(QString("DOWNLOADED CONFIG TEMPLATE %1").arg(fToWorkOn));
+                if (m_worker) {
+                    QStringList lst(QString("DL:%1").arg(QFileInfo(fToWorkOn).fileName()));
+                    m_worker->ISMAS(lst) << (m_worker->CONSOLE(lst) << Worker::UPDATE_STEP::DOWNLOAD_CONFIG_FILE_SUCCESS);
+
                     ++displayIndex;
                     emit m_worker->appendText(QString("\n(") + QString("%1").arg(displayIndex).rightJustified(3, ' ') + QString(")")
                           + QString(" Update ") + QFileInfo(fToWorkOn).fileName(),
                             Worker::UPDATE_STEP_DONE);
                 }
+            }
         } else if (fToWorkOn.contains("DC2C_device", Qt::CaseInsensitive)
                 && fToWorkOn.endsWith(".json", Qt::CaseInsensitive)) {
             res = true;
             if ((res = updateDeviceConf(fToWorkOn))) {
-                Utils::printInfoMsg(QString("DOWNLOADED DEVICE TEMPLATE %1").arg(fToWorkOn));
+                if (m_worker) {
+                    QStringList lst(QString("DL:%1").arg(QFileInfo(fToWorkOn).fileName()));
+                    m_worker->ISMAS(lst) << (m_worker->CONSOLE(lst) << Worker::UPDATE_STEP::DOWNLOAD_DEVICE_FILE_SUCCESS);
+
                     ++displayIndex;
                     emit m_worker->appendText(QString("\n(") + QString("%1").arg(displayIndex).rightJustified(3, ' ') + QString(")")
                           + QString(" Update ") + QFileInfo(fToWorkOn).fileName(),
                             Worker::UPDATE_STEP_DONE);
                 }
+            }
         } else {
             qCritical() << "UNKNOWN JSON FILE NAME" << fToWorkOn;
             res = false;

UpdatePTUDevCtrl/update.h

@@ -8,6 +8,7 @@
 #include <QByteArray>
 #include <QProcess>
 #include <QPluginLoader>
+#include <QMap>
 
 #include <DeviceController/interfaces.h>
 
@@ -60,6 +61,47 @@ public:
     bool doUpdate(int &displayIndex, QStringList const &linesToWorkOn);
     bool checkDownloadedJsonVersions(QStringList const& jsonFileNames);
 
+    QMap<QString, QString>
+        getInstalledJsonVersions(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")})));
+
     hwinf *hw() { return m_hw; }
     hwinf const *hw() const { return m_hw; }
 

UpdatePTUDevCtrl/utils.cpp

@@ -293,7 +293,7 @@ bool Utils::sameFilesInDirs(QDir const &dir1, QDir const &dir2,
     }
     if (fileNameLst1 != fileNameLst2) {
         printCriticalErrorMsg(dirPath1 + " AND " + dirPath2
-                            + " DIFFER: [" + fileNameLst1.join(',') + "],["
+                            + " HAVE DIFFERENT FILES: [" + fileNameLst1.join(',') + "],["
                             + fileNameLst2.join(',') + "]");
         return false;
     } else {
@@ -323,7 +323,7 @@ bool Utils::sameFilesInDirs(QDir const &dir1, QDir const &dir2,
 
     if (gitBlobLst1 != gitBlobLst2) {
         printCriticalErrorMsg(dirPath1 + " AND " + dirPath2
-                            + " DIFFER: [" + gitBlobLst1.join(',') + "],["
+                            + " HAVE DIFFERENT BLOBS: [" + gitBlobLst1.join(',') + "],["
                             + gitBlobLst2.join(',') + "]");
         return false;
     } else {

UpdatePTUDevCtrl/worker.cpp

@@ -32,6 +32,8 @@ QString const Worker::UPDATE_STEP_WRONG   (  "[WRONG]");
 QString const Worker::UPDATE_STEP_FAIL   (   " [FAIL]");
 QString const Worker::UPDATE_STEP_SUCCESS(" [SUCCESS]");
 
+bool Worker::sendLastVersionOnce = false;
+
 using UPDATE_STEP = Worker::UPDATE_STEP;
 const QMap<UPDATE_STEP, const char*> Worker::smap (
     std::initializer_list<std::pair<UPDATE_STEP, const char*>>{
@@ -87,6 +89,15 @@ const QMap<UPDATE_STEP, const char*> Worker::smap (
         INSERT_ELEMENT(UPDATE_STEP::DOWNLOAD_CONFIG_FILE),
         INSERT_ELEMENT(UPDATE_STEP::DOWNLOAD_CONFIG_FILE_SUCCESS),
         INSERT_ELEMENT(UPDATE_STEP::DOWNLOAD_CONFIG_FILE_FAILURE),
+        INSERT_ELEMENT(UPDATE_STEP::DOWNLOAD_CASH_FILE),
+        INSERT_ELEMENT(UPDATE_STEP::DOWNLOAD_CASH_FILE_FAILURE),
+        INSERT_ELEMENT(UPDATE_STEP::DOWNLOAD_CASH_FILE_SUCCESS),
+        INSERT_ELEMENT(UPDATE_STEP::DOWNLOAD_DEVICE_FILE),
+        INSERT_ELEMENT(UPDATE_STEP::DOWNLOAD_DEVICE_FILE_FAILURE),
+        INSERT_ELEMENT(UPDATE_STEP::DOWNLOAD_DEVICE_FILE_SUCCESS),
+        INSERT_ELEMENT(UPDATE_STEP::DOWNLOAD_JSON_FILE),
+        INSERT_ELEMENT(UPDATE_STEP::DOWNLOAD_JSON_FILE_FAILURE),
+        INSERT_ELEMENT(UPDATE_STEP::DOWNLOAD_JSON_FILE_SUCCESS),
         INSERT_ELEMENT(UPDATE_STEP::DOWNLOAD_DEVICE_CONTROLLER),
         INSERT_ELEMENT(UPDATE_STEP::DOWNLOAD_DEVICE_CONTROLLER_SUCCESS),
         INSERT_ELEMENT(UPDATE_STEP::DOWNLOAD_DEVICE_CONTROLLER_FAILURE),
@@ -170,6 +181,8 @@ Worker::Worker(int customerNr,
     // TODO: turn object into singleton
     instance = this;
     m_lastFailedUpdateStep = UPDATE_STEP::NONE;
+
+    if (m_noUpdatePsaHardware == false) {
         m_update = new Update(this,
                               QDir::cleanPath(m_workingDirectory + QDir::separator() + m_customerNrStr),
                               m_customerNrStr,
@@ -177,6 +190,7 @@ Worker::Worker(int customerNr,
                               m_pluginDir,
                               m_pluginName,
                               m_workingDirectory);
+    }
 
     this->setObjectName("worker-object");
     QDir::setCurrent(m_workingDirectory);
@@ -311,7 +325,7 @@ void Worker::privateUpdate() {
 
                 QStringList lst = m_ismasTriggerStatusMessage;
                 // trigger message to ISMAS and CONSOLE
-                ISMAS(lst) << (CONSOLE(lst) << (m_lastFailedUpdateStep = UPDATE_STEP::CHECK_ISMAS_TRIGGER_SUCCESS));
+                CONSOLE(lst) << (m_lastFailedUpdateStep = UPDATE_STEP::CHECK_ISMAS_TRIGGER_SUCCESS);
                 // overwrite m_lastFailedUpdateStep
                 m_lastFailedUpdateStep = UPDATE_STEP::NONE;
                 return;
@@ -497,9 +511,8 @@ void Worker::privateUpdate() {
     if ((continueUpdate = downloadFilesToPSAHardware()) == false) {
         return;
     }
-    lst = QStringList(QString(smap[UPDATE_STEP::DOWNLOAD_FILES_TO_PSA_HARDWARE_SUCCESS]));
-    ISMAS(lst) << (GUI(lst) << (CONSOLE(lst) << UPDATE_STEP::DOWNLOAD_FILES_TO_PSA_HARDWARE));
-    setProgress(_DOWNLOAD_FILES_TO_PSA_HARDWARE_SUCCESS);
+    lst = QStringList(QString("DONE"));
+    ISMAS(lst) << (GUI(lst) << (CONSOLE(lst) << UPDATE_STEP::DOWNLOAD_FILES_TO_PSA_HARDWARE_SUCCESS));
 
     ////////////////////////////////////////////////////////////////////////////
     //
@@ -866,6 +879,7 @@ bool Worker::execOpkgCommands() {
                         QStringList opkgErrorLst;
                         while (!in.atEnd()) {
                             QString line = in.readLine();
+                            // TODO: "^\\s*[#]{0,}$" : empty line or comment line starting with #
                             static const QRegularExpression comment("^\\s*#.*$");
                             if (line.indexOf(comment, 0) == -1) {
                                 // found opkg command
@@ -948,13 +962,16 @@ bool Worker::execOpkgCommands() {
 
 bool Worker::downloadFilesToPSAHardware() {
     m_displayIndex = 0;
+    QStringList lst(QString("START"));
 
-    GUI(m_filesToDownload) << (CONSOLE(m_filesToDownload) << UPDATE_STEP::DOWNLOAD_FILES_TO_PSA_HARDWARE);
-    setProgress(_DOWNLOAD_FILES_TO_PSA_HARDWARE);
+    ISMAS(lst) << (GUI(m_filesToDownload) << (CONSOLE(m_filesToDownload) << UPDATE_STEP::DOWNLOAD_FILES_TO_PSA_HARDWARE));
 
     if (m_noUpdatePsaHardware == false) {
         if (computeFilesToDownload() > 0) {
-            QStringList lst = m_filesToDownload;
+            lst.clear();
+            for (int i = 0; i < m_filesToDownload.size(); ++i) {
+                lst << QFileInfo(m_filesToDownload.at(i)).fileName();
+            }
             ISMAS(lst) << (CONSOLE(lst) << UPDATE_STEP::FILES_TO_DOWNLOAD);
 
             if (m_update && m_update->doUpdate(m_displayIndex, m_filesToDownload)) {
@@ -967,7 +984,7 @@ bool Worker::downloadFilesToPSAHardware() {
                 return true;
             }
 
-            CONSOLE(lst) << (m_lastFailedUpdateStep = UPDATE_STEP::DOWNLOAD_FILES_TO_PSA_HARDWARE_FAILURE);
+            ISMAS(lst) << (CONSOLE(lst) << (m_lastFailedUpdateStep = UPDATE_STEP::DOWNLOAD_FILES_TO_PSA_HARDWARE_FAILURE));
             setProgress(_DOWNLOAD_FILES_TO_PSA_HARDWARE_FAILURE);
 
             return false;
@@ -978,14 +995,20 @@ bool Worker::downloadFilesToPSAHardware() {
 }
 
 bool Worker::syncCustomerRepositoryAndFS() {
-    ISMAS() << (GUI() << (CONSOLE() << UPDATE_STEP::SYNC_CUSTOMER_REPOSITORY));
+    QString msg("START");
+    QStringList lst(msg);
+    ISMAS(lst) << (GUI(lst) << (CONSOLE(lst) << UPDATE_STEP::SYNC_CUSTOMER_REPOSITORY));
+    lst.clear();
 
     if (QDir(m_customerRepository).exists()) {
         if (QDir::setCurrent(m_customerRepository)) {
             Command md("bash");
             if (!md.execute(m_customerRepository,
                             QStringList() << "-c" << "mkdir -p /etc/psa_config /etc/dc /etc/psa_tariff")) {
-                qCritical() << "COULD NOT EXECUTE '" << md.command() << "' exitCode=(" << md.exitCode() << ")";
+                msg = QString("COULD NOT EXECUTE '%1', exitCode=%2").arg(md.command()).arg(md.exitCode());
+                qCritical() << msg;
+                QStringList lst2(msg);
+                ISMAS(lst2) << (CONSOLE(lst2) << UPDATE_STEP::SYNC_CUSTOMER_REPOSITORY);
             }
             QString const params("-v                      "
                                  "--recursive             "
@@ -1044,12 +1067,22 @@ bool Worker::syncCustomerRepositoryAndFS() {
                         error = true;
                     }
                 }
+                if (!error) {
+                    lst.clear();
+                    lst << QString("SUCCESS %1").arg(cmd);
+                    ISMAS(lst) << (CONSOLE(lst) << UPDATE_STEP::SYNC_CUSTOMER_REPOSITORY);
+                } else {
+                    msg = QString("FAILURE %1").arg(cmd);
+                    lst << msg;
+                    QStringList lst2(msg);
+                    ISMAS(lst2) << (CONSOLE(lst2) << UPDATE_STEP::SYNC_CUSTOMER_REPOSITORY);
+                }
             }
             if (!error) {
                 // now check tariff-files in etc and /etc/psa_tariff
                 QDir dir1(QDir::cleanPath(m_customerRepository + QDir::separator() + "etc/psa_tariff"));
                 QDir dir2("/etc/psa_tariff");
-                if (Utils::sameFilesInDirs(dir1, dir2)) {
+                if (Utils::sameFilesInDirs(dir1, dir2) == false) {
                     CONSOLE() <<  QDir::cleanPath(m_customerRepository + QDir::separator() + "etc/psa_tariff")
                               << "AND /etc/psa_tariff ARE DIFFERENT: CHANGED CUSTOMER-NUMBER?";
                 }
@@ -1057,9 +1090,13 @@ bool Worker::syncCustomerRepositoryAndFS() {
                 setProgress(_SYNC_CUSTOMER_REPOSITORY_SUCCESS);
                 return true;
             }
+        } else {
+            lst << QString("CAN NOT CD TO CUST-REPO %1").arg(m_customerRepository);
         }
+    } else {
+        lst << QString("CUST-REPO %1 DOES NOT EXIST").arg(m_customerRepository);
     }
-    ISMAS() << (GUI() << (CONSOLE() << (m_lastFailedUpdateStep = UPDATE_STEP::SYNC_CUSTOMER_REPOSITORY_FAILURE)));
+    ISMAS(lst) << (GUI(lst) << (CONSOLE(lst) << (m_lastFailedUpdateStep = UPDATE_STEP::SYNC_CUSTOMER_REPOSITORY_FAILURE)));
     setProgress(_SYNC_CUSTOMER_REPOSITORY_FAILURE);
     return false;
 }
@@ -1339,20 +1376,36 @@ PSAInstalled Worker::getPSAInstalled() {
     psaInstalled.pluginVersion.prmCalculatePriceConfigUi = m_pluginVersionPrmCalcConfig;
     psaInstalled.pluginVersion.tcpZVT = m_pluginVersionTcpZvt;
 
+    // key: conf-json-filename; value: installed version on DC
+    QMap<QString, QString> map;
+    if (m_update) {
+        map = m_update->getInstalledJsonVersions();
+    }
+
     psaInstalled.cash.name = "DC2C_cash.json";
     absPathName = QDir::cleanPath(printSysDir + QDir::separator() + psaInstalled.cash.name);
+
     psaInstalled.cash.blob = m_gc.gitBlob(absPathName);
     psaInstalled.cash.size = getFileSize(absPathName);
+    if (map.contains("DC2C_cash.json")) {
+        psaInstalled.cash.blob = map.value("DC2C_cash.json", "inst.vers.not.avail");
+    }
 
     psaInstalled.conf.name = "DC2C_conf.json";
     absPathName = QDir::cleanPath(printSysDir + QDir::separator() + psaInstalled.conf.name);
     psaInstalled.conf.blob = m_gc.gitBlob(absPathName);
     psaInstalled.conf.size = getFileSize(absPathName);
+    if (map.contains("DC2C_conf.json")) {
+        psaInstalled.conf.blob = map.value("DC2C_conf.json", "inst.vers.not.avail");
+    }
 
     psaInstalled.device.name = "DC2C_device.json";
     absPathName = QDir::cleanPath(printSysDir + QDir::separator() + psaInstalled.device.name);
     psaInstalled.device.blob = m_gc.gitBlob(absPathName);
     psaInstalled.device.size = getFileSize(absPathName);
+    if (map.contains("DC2C_device.json")) {
+        psaInstalled.device.blob = map.value("DC2C_device.json", "inst.vers.not.avail");
+    }
 
     for (int i=0; i < 32; ++i) {
         QString const &n = QString("%1").arg(i+1).rightJustified(2, '0');
@@ -1360,6 +1413,9 @@ PSAInstalled Worker::getPSAInstalled() {
         absPathName = QDir::cleanPath(printSysDir + QDir::separator() + psaInstalled.print[i].name);
         psaInstalled.print[i].blob = m_gc.gitBlob(absPathName);
         psaInstalled.print[i].size = getFileSize(absPathName);
+        if (map.contains(psaInstalled.print[i].name)) {
+            psaInstalled.print[i].blob = map.value(psaInstalled.print[i].name, "inst.vers.not.avail");
+        }
     }
 
     return psaInstalled;

UpdatePTUDevCtrl/worker.h

@@ -37,6 +37,7 @@
 
 #define _ISMAS_DONE                 "U0001" // 100%, Check: Resultcode: 0
 #define _ISMAS_SET_WAIT_OK          "U0002" // empty WAIT-button (""), ResultCode: 0
+#define _ISMAS_NO_UPDATE_NECESSARY  "M0100" // empty WAIT-button (""), ResultCode: 0
 #define _ISMAS_FAILURE              "U0003" // FAIL
 #define _ISMAS_CONTINUE             "U0010" // %-values: Update laeuft, Resultcodes entsprechend laufender Schritt
 #define _ISMAS_RESET_WAIT           "ISMAS" // reset WAIT-button to "WAIT"
@@ -79,7 +80,6 @@
 #define _SYNC_CUSTOMER_REPOSITORY_SUCCESS           (35)
 #define _FILES_TO_UPDATE                            (36)
 #define _CHECK_FOR_REPOSITORY_CHANGES_FAILURE       (37)
-#define _FILES_TO_DOWNLOAD                          (38)
 #define _EXEC_OPKG_COMMANDS                         (39)
 #define _EXEC_OPKG_COMMAND_1                        (40)
 #define _EXEC_OPKG_COMMAND_2                        (41)
@@ -93,13 +93,23 @@
 #define _EXEC_OPKG_COMMAND_LAST                     (49)
 #define _EXEC_OPKG_COMMAND_FAILURE                  (50)
 #define _EXEC_OPKG_COMMAND_SUCCESS                  (51)
-#define _DOWNLOAD_FILES_TO_PSA_HARDWARE             (60)
-#define _DOWNLOAD_CONFIG_FILE                       (61)
-#define _DOWNLOAD_CONFIG_FILE_SUCCESS               (62)
-#define _DOWNLOAD_CONFIG_FILE_FAILURE               (63)
-#define _DOWNLOAD_DEVICE_CONTROLLER                 (64)
-#define _DOWNLOAD_DEVICE_CONTROLLER_SUCCESS         (85)
-#define _DOWNLOAD_DEVICE_CONTROLLER_FAILURE         (86)
+#define _DOWNLOAD_FILES_TO_PSA_HARDWARE             (59)
+#define _FILES_TO_DOWNLOAD                          (60)
+#define _DOWNLOAD_CASH_FILE                         (61)
+#define _DOWNLOAD_CASH_FILE_FAILURE                 (62)
+#define _DOWNLOAD_CASH_FILE_SUCCESS                 (63)
+#define _DOWNLOAD_CONFIG_FILE                       (64)
+#define _DOWNLOAD_CONFIG_FILE_FAILURE               (65)
+#define _DOWNLOAD_CONFIG_FILE_SUCCESS               (66)
+#define _DOWNLOAD_DEVICE_FILE                       (67)
+#define _DOWNLOAD_DEVICE_FILE_FAILURE               (68)
+#define _DOWNLOAD_DEVICE_FILE_SUCCESS               (69)
+#define _DOWNLOAD_JSON_FILE                         (70)
+#define _DOWNLOAD_JSON_FILE_FAILURE                 (71)
+#define _DOWNLOAD_JSON_FILE_SUCCESS                 (72)
+#define _DOWNLOAD_DEVICE_CONTROLLER                 (84)
+#define _DOWNLOAD_DEVICE_CONTROLLER_FAILURE         (85)
+#define _DOWNLOAD_DEVICE_CONTROLLER_SUCCESS         (86)
 #define _DOWNLOAD_FILES_TO_PSA_HARDWARE_FAILURE     (87)
 #define _DOWNLOAD_FILES_TO_PSA_HARDWARE_SUCCESS     (88)
 #define _SAVE_LOGS                                  (92)
@@ -326,6 +336,15 @@ public:
         DOWNLOAD_CONFIG_FILE = _DOWNLOAD_CONFIG_FILE,
         DOWNLOAD_CONFIG_FILE_SUCCESS = _DOWNLOAD_CONFIG_FILE_SUCCESS,
         DOWNLOAD_CONFIG_FILE_FAILURE = _DOWNLOAD_CONFIG_FILE_FAILURE,
+        DOWNLOAD_CASH_FILE = _DOWNLOAD_CASH_FILE,
+        DOWNLOAD_CASH_FILE_FAILURE = _DOWNLOAD_CASH_FILE_FAILURE,
+        DOWNLOAD_CASH_FILE_SUCCESS = _DOWNLOAD_CASH_FILE_SUCCESS,
+        DOWNLOAD_DEVICE_FILE = _DOWNLOAD_DEVICE_FILE,
+        DOWNLOAD_DEVICE_FILE_FAILURE = _DOWNLOAD_DEVICE_FILE_FAILURE,
+        DOWNLOAD_DEVICE_FILE_SUCCESS = _DOWNLOAD_DEVICE_FILE_SUCCESS,
+        DOWNLOAD_JSON_FILE = _DOWNLOAD_JSON_FILE,
+        DOWNLOAD_JSON_FILE_FAILURE = _DOWNLOAD_JSON_FILE_FAILURE,
+        DOWNLOAD_JSON_FILE_SUCCESS = _DOWNLOAD_JSON_FILE_SUCCESS,
         DOWNLOAD_DEVICE_CONTROLLER = _DOWNLOAD_DEVICE_CONTROLLER,
         DOWNLOAD_DEVICE_CONTROLLER_SUCCESS = _DOWNLOAD_DEVICE_CONTROLLER_SUCCESS,
         DOWNLOAD_DEVICE_CONTROLLER_FAILURE = _DOWNLOAD_DEVICE_CONTROLLER_FAILURE,
@@ -462,6 +481,7 @@ private slots:
 
 private:
     PSAInstalled getPSAInstalled();
+    static bool sendLastVersionOnce;
     void privateUpdate();
     bool computeFilesToDownload();
     bool execOpkgCommands();
@@ -654,6 +674,24 @@ private:
         break;
         case UPDATE_STEP::DOWNLOAD_CONFIG_FILE_FAILURE:
         break;
+        case UPDATE_STEP::DOWNLOAD_CASH_FILE: {
+        } break;
+        case UPDATE_STEP::DOWNLOAD_CASH_FILE_FAILURE: {
+        } break;
+        case UPDATE_STEP::DOWNLOAD_CASH_FILE_SUCCESS: {
+        } break;
+        case UPDATE_STEP::DOWNLOAD_DEVICE_FILE: {
+        } break;
+        case UPDATE_STEP::DOWNLOAD_DEVICE_FILE_FAILURE: {
+        } break;
+        case UPDATE_STEP::DOWNLOAD_DEVICE_FILE_SUCCESS: {
+        } break;
+        case UPDATE_STEP::DOWNLOAD_JSON_FILE: {
+        } break;
+        case UPDATE_STEP::DOWNLOAD_JSON_FILE_FAILURE: {
+        } break;
+        case UPDATE_STEP::DOWNLOAD_JSON_FILE_SUCCESS: {
+        } break;
         case UPDATE_STEP::DOWNLOAD_DEVICE_CONTROLLER:
             lst << instance->m_debugMsg;
             Utils::printUpdateStatusMsg(debug, lst);
@@ -1087,12 +1125,34 @@ private:
         case UPDATE_STEP::FILES_TO_UPDATE:
             ismasClient.setProgressInPercent(_FILES_TO_UPDATE);
         break;
-        case UPDATE_STEP::DOWNLOAD_FILES_TO_PSA_HARDWARE:
+        case UPDATE_STEP::DOWNLOAD_FILES_TO_PSA_HARDWARE: {
             ismasClient.setProgressInPercent(_DOWNLOAD_FILES_TO_PSA_HARDWARE);
-        break;
-        case UPDATE_STEP::FILES_TO_DOWNLOAD:
+            QString const &ismasUpdateNews =
+                QString("#M=APISM#C=CMD_EVENT#J=") +
+                    ismasClient.updateNewsToIsmas(
+                        _ISMAS_CONTINUE,
+                        ismasClient.getProgressInPercent(),
+                        IsmasClient::RESULT_CODE::SUCCESS,
+                        smap[UPDATE_STEP::DOWNLOAD_FILES_TO_PSA_HARDWARE],
+                        instance->m_ismasMsg.join(' ').toStdString().c_str(),
+                        instance->m_versionInfo.size() >= 1 ? instance->m_versionInfo.at(0).toUtf8().constData() : "N/A");
+            ismasClient.sendRequestReceiveResponse(
+                IsmasClient::APISM::DB_PORT, ismasUpdateNews);
+        } break;
+        case UPDATE_STEP::FILES_TO_DOWNLOAD: {
             ismasClient.setProgressInPercent(_FILES_TO_DOWNLOAD);
-        break;
+            QString const &ismasUpdateNews =
+                QString("#M=APISM#C=CMD_EVENT#J=") +
+                    ismasClient.updateNewsToIsmas(
+                        _ISMAS_CONTINUE,
+                        ismasClient.getProgressInPercent(),
+                        IsmasClient::RESULT_CODE::SUCCESS,
+                        smap[UPDATE_STEP::DOWNLOAD_JSON_FILE],
+                        instance->m_ismasMsg.join(' ').toStdString().c_str(),
+                        instance->m_versionInfo.size() >= 1 ? instance->m_versionInfo.at(0).toUtf8().constData() : "N/A");
+            ismasClient.sendRequestReceiveResponse(
+                IsmasClient::APISM::DB_PORT, ismasUpdateNews);
+        } break;
         case UPDATE_STEP::EXEC_OPKG_COMMANDS:
             ismasClient.setProgressInPercent(_EXEC_OPKG_COMMANDS);
         break;
@@ -1228,15 +1288,180 @@ private:
             ismasClient.sendRequestReceiveResponse(
                 IsmasClient::APISM::DB_PORT, ismasUpdateNews);
         } break;
-        case UPDATE_STEP::DOWNLOAD_CONFIG_FILE:
-            ismasClient.setProgressInPercent(_DOWNLOAD_CONFIG_FILE);
-        break;
-        case UPDATE_STEP::DOWNLOAD_CONFIG_FILE_SUCCESS:
-            ismasClient.setProgressInPercent(_DOWNLOAD_CONFIG_FILE_SUCCESS);
-        break;
-        case UPDATE_STEP::DOWNLOAD_CONFIG_FILE_FAILURE:
+        case UPDATE_STEP::DOWNLOAD_CONFIG_FILE: {
+            //ismasClient.setProgressInPercent(_DOWNLOAD_CONFIG_FILE);
+            ismasClient.setProgressInPercent(_DOWNLOAD_JSON_FILE);
+            QString const &ismasUpdateNews =
+                QString("#M=APISM#C=CMD_EVENT#J=") +
+                    ismasClient.updateNewsToIsmas(
+                        _ISMAS_CONTINUE,
+                        ismasClient.getProgressInPercent(),
+                        IsmasClient::RESULT_CODE::SUCCESS,
+                        smap[UPDATE_STEP::DOWNLOAD_CONFIG_FILE],
+                        instance->m_ismasMsg.join(' ').toStdString().c_str(),
+                        instance->m_versionInfo.size() >= 1 ? instance->m_versionInfo.at(0).toUtf8().constData() : "N/A");
+            ismasClient.sendRequestReceiveResponse(
+                IsmasClient::APISM::DB_PORT, ismasUpdateNews);
+        } break;
+        case UPDATE_STEP::DOWNLOAD_CONFIG_FILE_SUCCESS: {
+            //ismasClient.setProgressInPercent(_DOWNLOAD_CONFIG_FILE_SUCCESS);
+            ismasClient.setProgressInPercent(_DOWNLOAD_JSON_FILE);
+            QString const &ismasUpdateNews =
+                QString("#M=APISM#C=CMD_EVENT#J=") +
+                    ismasClient.updateNewsToIsmas(
+                        _ISMAS_CONTINUE,
+                        ismasClient.getProgressInPercent(),
+                        IsmasClient::RESULT_CODE::SUCCESS,
+                        smap[UPDATE_STEP::DOWNLOAD_CONFIG_FILE_SUCCESS],
+                        instance->m_ismasMsg.join(' ').toStdString().c_str(),
+                        instance->m_versionInfo.size() >= 1 ? instance->m_versionInfo.at(0).toUtf8().constData() : "N/A");
+            ismasClient.sendRequestReceiveResponse(
+                IsmasClient::APISM::DB_PORT, ismasUpdateNews);
+        } break;
+        case UPDATE_STEP::DOWNLOAD_CONFIG_FILE_FAILURE: {
             ismasClient.setProgressInPercent(_DOWNLOAD_CONFIG_FILE_FAILURE);
-        break;
+            QString const &ismasUpdateNews =
+                QString("#M=APISM#C=CMD_EVENT#J=") +
+                    ismasClient.updateNewsToIsmas(
+                        _ISMAS_CONTINUE,
+                        ismasClient.getProgressInPercent(),
+                        IsmasClient::RESULT_CODE::JSON_FILES_DOWNLOAD_ERROR,
+                        smap[UPDATE_STEP::DOWNLOAD_CASH_FILE_FAILURE],
+                        instance->m_ismasMsg.join(' ').toStdString().c_str(),
+                        instance->m_versionInfo.size() >= 1 ? instance->m_versionInfo.at(0).toUtf8().constData() : "N/A");
+            ismasClient.sendRequestReceiveResponse(
+                IsmasClient::APISM::DB_PORT, ismasUpdateNews);
+        } break;
+        case UPDATE_STEP::DOWNLOAD_CASH_FILE: {
+            //ismasClient.setProgressInPercent(_DOWNLOAD_CASH_FILE);
+            ismasClient.setProgressInPercent(_DOWNLOAD_JSON_FILE);
+            QString const &ismasUpdateNews =
+                QString("#M=APISM#C=CMD_EVENT#J=") +
+                    ismasClient.updateNewsToIsmas(
+                        _ISMAS_CONTINUE,
+                        ismasClient.getProgressInPercent(),
+                        IsmasClient::RESULT_CODE::SUCCESS,
+                        smap[UPDATE_STEP::DOWNLOAD_CASH_FILE],
+                        instance->m_ismasMsg.join(' ').toStdString().c_str(),
+                        instance->m_versionInfo.size() >= 1 ? instance->m_versionInfo.at(0).toUtf8().constData() : "N/A");
+            ismasClient.sendRequestReceiveResponse(
+                IsmasClient::APISM::DB_PORT, ismasUpdateNews);
+        } break;
+        case UPDATE_STEP::DOWNLOAD_CASH_FILE_FAILURE: {
+            ismasClient.setProgressInPercent(_DOWNLOAD_CASH_FILE_FAILURE);
+            QString const &ismasUpdateNews =
+                QString("#M=APISM#C=CMD_EVENT#J=") +
+                    ismasClient.updateNewsToIsmas(
+                        _ISMAS_CONTINUE,
+                        ismasClient.getProgressInPercent(),
+                        IsmasClient::RESULT_CODE::JSON_FILES_DOWNLOAD_ERROR,
+                        smap[UPDATE_STEP::DOWNLOAD_CASH_FILE_FAILURE],
+                        instance->m_ismasMsg.join(' ').toStdString().c_str(),
+                        instance->m_versionInfo.size() >= 1 ? instance->m_versionInfo.at(0).toUtf8().constData() : "N/A");
+            ismasClient.sendRequestReceiveResponse(
+                IsmasClient::APISM::DB_PORT, ismasUpdateNews);
+        } break;
+        case UPDATE_STEP::DOWNLOAD_CASH_FILE_SUCCESS: {
+            //ismasClient.setProgressInPercent(_DOWNLOAD_CASH_FILE_SUCCESS);
+            ismasClient.setProgressInPercent(_DOWNLOAD_JSON_FILE);
+            QString const &ismasUpdateNews =
+                QString("#M=APISM#C=CMD_EVENT#J=") +
+                    ismasClient.updateNewsToIsmas(
+                        _ISMAS_CONTINUE,
+                        ismasClient.getProgressInPercent(),
+                        IsmasClient::RESULT_CODE::SUCCESS,
+                        smap[UPDATE_STEP::DOWNLOAD_CASH_FILE_SUCCESS],
+                        instance->m_ismasMsg.join(' ').toStdString().c_str(),
+                        instance->m_versionInfo.size() >= 1 ? instance->m_versionInfo.at(0).toUtf8().constData() : "N/A");
+            ismasClient.sendRequestReceiveResponse(
+                IsmasClient::APISM::DB_PORT, ismasUpdateNews);
+        } break;
+        case UPDATE_STEP::DOWNLOAD_DEVICE_FILE: {
+            //ismasClient.setProgressInPercent(_DOWNLOAD_DEVICE_FILE);
+            ismasClient.setProgressInPercent(_DOWNLOAD_JSON_FILE);
+            QString const &ismasUpdateNews =
+                QString("#M=APISM#C=CMD_EVENT#J=") +
+                    ismasClient.updateNewsToIsmas(
+                        _ISMAS_CONTINUE,
+                        ismasClient.getProgressInPercent(),
+                        IsmasClient::RESULT_CODE::SUCCESS,
+                        smap[UPDATE_STEP::DOWNLOAD_DEVICE_FILE],
+                        instance->m_ismasMsg.join(' ').toStdString().c_str(),
+                        instance->m_versionInfo.size() >= 1 ? instance->m_versionInfo.at(0).toUtf8().constData() : "N/A");
+            ismasClient.sendRequestReceiveResponse(
+                IsmasClient::APISM::DB_PORT, ismasUpdateNews);
+        } break;
+        case UPDATE_STEP::DOWNLOAD_DEVICE_FILE_FAILURE: {
+            ismasClient.setProgressInPercent(_DOWNLOAD_DEVICE_FILE_FAILURE);
+            QString const &ismasUpdateNews =
+                QString("#M=APISM#C=CMD_EVENT#J=") +
+                    ismasClient.updateNewsToIsmas(
+                        _ISMAS_CONTINUE,
+                        ismasClient.getProgressInPercent(),
+                        IsmasClient::RESULT_CODE::JSON_FILES_DOWNLOAD_ERROR,
+                        smap[UPDATE_STEP::DOWNLOAD_DEVICE_FILE_FAILURE],
+                        instance->m_ismasMsg.join(' ').toStdString().c_str(),
+                        instance->m_versionInfo.size() >= 1 ? instance->m_versionInfo.at(0).toUtf8().constData() : "N/A");
+            ismasClient.sendRequestReceiveResponse(
+                IsmasClient::APISM::DB_PORT, ismasUpdateNews);
+        } break;
+        case UPDATE_STEP::DOWNLOAD_DEVICE_FILE_SUCCESS: {
+            //ismasClient.setProgressInPercent(_DOWNLOAD_DEVICE_FILE_SUCCESS);
+            ismasClient.setProgressInPercent(_DOWNLOAD_JSON_FILE);
+            QString const &ismasUpdateNews =
+                QString("#M=APISM#C=CMD_EVENT#J=") +
+                    ismasClient.updateNewsToIsmas(
+                        _ISMAS_CONTINUE,
+                        ismasClient.getProgressInPercent(),
+                        IsmasClient::RESULT_CODE::SUCCESS,
+                        smap[UPDATE_STEP::DOWNLOAD_DEVICE_FILE_SUCCESS],
+                        instance->m_ismasMsg.join(' ').toStdString().c_str(),
+                        instance->m_versionInfo.size() >= 1 ? instance->m_versionInfo.at(0).toUtf8().constData() : "N/A");
+            ismasClient.sendRequestReceiveResponse(
+                IsmasClient::APISM::DB_PORT, ismasUpdateNews);
+        } break;
+        case UPDATE_STEP::DOWNLOAD_JSON_FILE: {
+            ismasClient.setProgressInPercent(_DOWNLOAD_JSON_FILE);
+            QString const &ismasUpdateNews =
+                QString("#M=APISM#C=CMD_EVENT#J=") +
+                    ismasClient.updateNewsToIsmas(
+                        _ISMAS_CONTINUE,
+                        ismasClient.getProgressInPercent(),
+                        IsmasClient::RESULT_CODE::SUCCESS,
+                        smap[UPDATE_STEP::DOWNLOAD_JSON_FILE],
+                        instance->m_ismasMsg.join(' ').toStdString().c_str(),
+                        instance->m_versionInfo.size() >= 1 ? instance->m_versionInfo.at(0).toUtf8().constData() : "N/A");
+            ismasClient.sendRequestReceiveResponse(
+                IsmasClient::APISM::DB_PORT, ismasUpdateNews);
+        } break;
+        case UPDATE_STEP::DOWNLOAD_JSON_FILE_FAILURE: {
+            ismasClient.setProgressInPercent(_DOWNLOAD_JSON_FILE_FAILURE);
+            QString const &ismasUpdateNews =
+                QString("#M=APISM#C=CMD_EVENT#J=") +
+                    ismasClient.updateNewsToIsmas(
+                        _ISMAS_CONTINUE,
+                        ismasClient.getProgressInPercent(),
+                        IsmasClient::RESULT_CODE::JSON_FILES_DOWNLOAD_ERROR,
+                        smap[UPDATE_STEP::DOWNLOAD_JSON_FILE_FAILURE],
+                        instance->m_ismasMsg.join(' ').toStdString().c_str(),
+                        instance->m_versionInfo.size() >= 1 ? instance->m_versionInfo.at(0).toUtf8().constData() : "N/A");
+            ismasClient.sendRequestReceiveResponse(
+                IsmasClient::APISM::DB_PORT, ismasUpdateNews);
+        } break;
+        case UPDATE_STEP::DOWNLOAD_JSON_FILE_SUCCESS: {
+            ismasClient.setProgressInPercent(_DOWNLOAD_JSON_FILE);
+            QString const &ismasUpdateNews =
+                QString("#M=APISM#C=CMD_EVENT#J=") +
+                    ismasClient.updateNewsToIsmas(
+                        _ISMAS_CONTINUE,
+                        ismasClient.getProgressInPercent(),
+                        IsmasClient::RESULT_CODE::SUCCESS,
+                        smap[UPDATE_STEP::DOWNLOAD_JSON_FILE_SUCCESS],
+                        instance->m_ismasMsg.join(' ').toStdString().c_str(),
+                        instance->m_versionInfo.size() >= 1 ? instance->m_versionInfo.at(0).toUtf8().constData() : "N/A");
+            ismasClient.sendRequestReceiveResponse(
+                IsmasClient::APISM::DB_PORT, ismasUpdateNews);
+        } break;
         case UPDATE_STEP::DOWNLOAD_DEVICE_CONTROLLER:
             ismasClient.setProgressInPercent(_DOWNLOAD_DEVICE_CONTROLLER);
         break;
@@ -1274,9 +1499,20 @@ private:
         case UPDATE_STEP::DOWNLOAD_FILES_TO_PSA_HARDWARE_FAILURE:
             ismasClient.setProgressInPercent(_DOWNLOAD_FILES_TO_PSA_HARDWARE_FAILURE);
         break;
-        case UPDATE_STEP::SYNC_CUSTOMER_REPOSITORY:
+        case UPDATE_STEP::SYNC_CUSTOMER_REPOSITORY: {
             ismasClient.setProgressInPercent(_SYNC_CUSTOMER_REPOSITORY);
-        break;
+            QString const &ismasUpdateNews =
+                QString("#M=APISM#C=CMD_EVENT#J=") +
+                    ismasClient.updateNewsToIsmas(
+                        _ISMAS_CONTINUE,
+                        ismasClient.getProgressInPercent(),
+                        IsmasClient::RESULT_CODE::SUCCESS,
+                        smap[UPDATE_STEP::SYNC_CUSTOMER_REPOSITORY],
+                        instance->m_ismasMsg.join(' ').toStdString().c_str(),
+                        instance->m_versionInfo.size() >= 1 ? instance->m_versionInfo.at(0).toUtf8().constData() : "N/A");
+            ismasClient.sendRequestReceiveResponse(
+                IsmasClient::APISM::DB_PORT, ismasUpdateNews);
+        } break;
         case UPDATE_STEP::SYNC_CUSTOMER_REPOSITORY_SUCCESS: {
             ismasClient.setProgressInPercent(_SYNC_CUSTOMER_REPOSITORY_SUCCESS);
             QString const &ismasUpdateNews =
@@ -1285,7 +1521,7 @@ private:
                         _ISMAS_CONTINUE,
                         ismasClient.getProgressInPercent(),
                         IsmasClient::RESULT_CODE::SUCCESS,
-                        smap[UPDATE_STEP::SYNC_CUSTOMER_REPOSITORY],
+                        smap[UPDATE_STEP::SYNC_CUSTOMER_REPOSITORY_SUCCESS],
                         instance->m_ismasMsg.join(' ').toStdString().c_str(),
                         instance->m_versionInfo.size() >= 1 ? instance->m_versionInfo.at(0).toUtf8().constData() : "N/A");
             ismasClient.sendRequestReceiveResponse(
@@ -1315,13 +1551,17 @@ private:
             ismasClient.setProgressInPercent(_SAVE_LOGS_FAILURE);
         break;
         case UPDATE_STEP::SEND_LAST_VERSION: {
+            if (Worker::sendLastVersionOnce == false) {
                 ismasClient.setProgressInPercent(_SEND_LAST_VERSION + _SEND_LAST_VERSION_CORRECTION);
                 ismasClient.sendRequestReceiveResponse(IsmasClient::APISM::DB_PORT,
                     QString("#M=APISM#C=CMD_SENDVERSION#J=") +
                         ismasClient.updateOfPSASendVersion(instance->getPSAInstalled()));
+                Worker::sendLastVersionOnce = true;
+            }
         } break;
         case UPDATE_STEP::UPDATE_SUCCEEDED: {
             ismasClient.setProgressInPercent(_UPDATE_SUCCEEDED + _UPDATE_SUCCEEDED_CORRECTION);
+            if (instance->m_automaticUpdate == false) {
                 QString const &ismasUpdateNews =
                     QString("#M=APISM#C=CMD_EVENT#J=") +
                         ismasClient.updateNewsToIsmas(
@@ -1333,13 +1573,14 @@ private:
                             instance->m_versionInfo.size() >= 1 ? instance->m_versionInfo.at(0).toUtf8().constData() : "N/A");
                 ismasClient.sendRequestReceiveResponse(
                     IsmasClient::APISM::DB_PORT, ismasUpdateNews);
+            }
         } break;
         case UPDATE_STEP::UPDATE_ACTIVATED: {
             ismasClient.setProgressInPercent(_UPDATE_ACTIVATED + _UPDATE_ACTIVATED_CORRECTION);
             QString const &ismasUpdateNews =
                 QString("#M=APISM#C=CMD_EVENT#J=") +
                     ismasClient.updateNewsToIsmas(
-                        _ISMAS_SET_WAIT_OK, // U0002
+                        (instance->m_automaticUpdate ? _ISMAS_NO_UPDATE_NECESSARY : _ISMAS_SET_WAIT_OK), // U0002 or M0100
                         ismasClient.getProgressInPercent(),
                         IsmasClient::RESULT_CODE::SUCCESS,
                         smap[UPDATE_STEP::UPDATE_FINALIZE],
@@ -1353,7 +1594,7 @@ private:
             QString const &ismasUpdateNews =
                 QString("#M=APISM#C=CMD_EVENT#J=") +
                     ismasClient.updateNewsToIsmas(
-                        _ISMAS_SET_WAIT_OK, // U0002
+                        (instance->m_automaticUpdate ? _ISMAS_NO_UPDATE_NECESSARY : _ISMAS_SET_WAIT_OK), // U0002 or M0100
                         ismasClient.getProgressInPercent(),
                         IsmasClient::RESULT_CODE::NO_UPDATE_NECESSARY,
                         smap[UPDATE_STEP::UPDATE_FINALIZE],
@@ -1548,6 +1789,24 @@ private:
         break;
         case UPDATE_STEP::DOWNLOAD_CONFIG_FILE_FAILURE:
         break;
+        case UPDATE_STEP::DOWNLOAD_CASH_FILE: {
+        } break;
+        case UPDATE_STEP::DOWNLOAD_CASH_FILE_FAILURE: {
+        } break;
+        case UPDATE_STEP::DOWNLOAD_CASH_FILE_SUCCESS: {
+        } break;
+        case UPDATE_STEP::DOWNLOAD_DEVICE_FILE: {
+        } break;
+        case UPDATE_STEP::DOWNLOAD_DEVICE_FILE_FAILURE: {
+        } break;
+        case UPDATE_STEP::DOWNLOAD_DEVICE_FILE_SUCCESS: {
+        } break;
+        case UPDATE_STEP::DOWNLOAD_JSON_FILE: {
+        } break;
+        case UPDATE_STEP::DOWNLOAD_JSON_FILE_FAILURE: {
+        } break;
+        case UPDATE_STEP::DOWNLOAD_JSON_FILE_SUCCESS: {
+        } break;
         case UPDATE_STEP::DOWNLOAD_DEVICE_CONTROLLER:
         break;
         case UPDATE_STEP::DOWNLOAD_DEVICE_CONTROLLER_SUCCESS:

common/include/System.h

@@ -3,6 +3,10 @@
 
 
 #include <QObject>
+#include <QStringList>
+
+#include <optional>
+#include <initializer_list>
 
 class System : public QObject
 {
@@ -13,16 +17,17 @@ private:
 
     static QString errorMsg;
 
-
 public:
 
+    static const QStringList allowedJsonFiles;
 
     static bool checkForSDCard();
     static bool umountSDCard();
 
-    static bool checkForUSBStick();
-    static QString getUSBMountPath();
-    static QString getUSBDeviceName();
+    static std::optional<QString> checkForUSBStick(QString const &dirPathUnderMountPath = ".");
+    static QString getUSBMountPath(QString const &dirPathUnderMountPath = ".");
+
+    //static QString getUSBDeviceName();
     static bool umountUSBStick();
 
     static bool test_mount(const QString& dev, const QString &mountpoint);
@@ -48,7 +53,7 @@ public:
     static QString getPTU4SerialNumber();
     static QString getPTU4MACAddress();
 
-
+    static QStringList getJsonFilesOnUsbStick(QString const &mountPath);
 
 };
 

common/include/message_handler.h

@@ -0,0 +1,23 @@
+#ifndef MESSAGE_HANDLER_H_INCLUDED
+#define MESSAGE_HANDLER_H_INCLUDED
+
+#include <QtGlobal>
+#ifdef __linux__
+#include <syslog.h>
+#endif
+
+int getDebugLevel();
+void setDebugLevel(int newDebugLevel);
+
+bool messageHandlerInstalled();
+QtMessageHandler atbInstallMessageHandler(QtMessageHandler handler);
+
+#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
+// typedef void (*QtMessageHandler)(QtMsgType, const char *);
+void atbDebugOutput(QtMsgType type, const char *msg);
+#elif QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
+// typedef void (*QtMessageHandler)(QtMsgType, const QMessageLogContext &, const QString &);
+void atbDebugOutput(QtMsgType type, const QMessageLogContext &context, const QString &msg);
+#endif
+
+#endif // MESSAGE_HANDLER_H_INCLUDED

common/src/System.cpp

@@ -7,10 +7,52 @@
 #include <QRegExp>
 #include <QStringList>
 #include <QDebug>
+#include <QDirIterator>
 
 //#include "version.h"
 
 
+
+
+const QStringList System::allowedJsonFiles =
+std::initializer_list<QString>{
+    QString("DC2C_conf.json"),
+    QString("DC2C_cash.json"),
+    QString("DC2C_device.json"),
+    QString("DC2C_print01.json"),
+    QString("DC2C_print02.json"),
+    QString("DC2C_print03.json"),
+    QString("DC2C_print04.json"),
+    QString("DC2C_print05.json"),
+    QString("DC2C_print06.json"),
+    QString("DC2C_print07.json"),
+    QString("DC2C_print08.json"),
+    QString("DC2C_print09.json"),
+    QString("DC2C_print10.json"),
+    QString("DC2C_print11.json"),
+    QString("DC2C_print12.json"),
+    QString("DC2C_print13.json"),
+    QString("DC2C_print14.json"),
+    QString("DC2C_print15.json"),
+    QString("DC2C_print16.json"),
+    QString("DC2C_print17.json"),
+    QString("DC2C_print18.json"),
+    QString("DC2C_print19.json"),
+    QString("DC2C_print20.json"),
+    QString("DC2C_print21.json"),
+    QString("DC2C_print22.json"),
+    QString("DC2C_print23.json"),
+    QString("DC2C_print24.json"),
+    QString("DC2C_print25.json"),
+    QString("DC2C_print26.json"),
+    QString("DC2C_print27.json"),
+    QString("DC2C_print28.json"),
+    QString("DC2C_print29.json"),
+    QString("DC2C_print30.json"),
+    QString("DC2C_print31.json"),
+    QString("DC2C_print32.json")
+};
+
 QString System::errorMsg = "";
 
 System::System(QObject *parent) :
@@ -209,8 +251,7 @@ bool System::test_dir(const QString& dir)
 
 
 
-bool System::checkForUSBStick()
-{
+std::optional<QString> System::checkForUSBStick(QString const &dirPathUnderMountPath) {
 #if defined (ARCH_DesktopLinux)
     // DEBUG / TEST:
     if (QFileInfo(getUSBMountPath()).isDir())
@@ -219,11 +260,9 @@ bool System::checkForUSBStick()
         return false;
 #endif
 
-    if (getUSBMountPath().isEmpty()) {
-        return false;
-    }
-
-    return true;
+    QString const &mountPath = getUSBMountPath(dirPathUnderMountPath);
+    // qCritical() << "MOUNT-PATH" << mountPath;
+    return mountPath.isEmpty() ? std::nullopt : std::optional<QString>(mountPath);
 }
 
 
@@ -235,8 +274,7 @@ bool System::checkForUSBStick()
  * Note, do not return an empty string ("") here because a calling method (which could not be
  * identified till now) is relying on this!
  */
-QString System::getUSBMountPath()
-{
+QString System::getUSBMountPath(QString const &dirPathUnderMountPath) {
 
 #if defined (ARCH_DesktopLinux)
     // DEBUG / TEST:
@@ -277,8 +315,13 @@ QString System::getUSBMountPath()
 
                 mountLine = line.split(' ');
                 if (mountLine.size() > 3) {
-                    qDebug() << "System::getUSBMountPath(): " << mountLine.at(0) << " is mounted on " << mountLine.at(2);
+                    qCritical() << "System::getUSBMountPath(): " << mountLine.at(0) << " is mounted on " << mountLine.at(2);
+                    QDir d(QDir::cleanPath(mountLine.at(2) + QDir::separator() + dirPathUnderMountPath));
+                    if (d.exists()) {
                         return mountLine.at(2);
+                    } else {
+                        qCritical() << "directory" << d.absolutePath() << "does not exist";
+                    }
                 }
             }
         }
@@ -289,6 +332,27 @@ QString System::getUSBMountPath()
     return "";
 }
 
+QStringList System::getJsonFilesOnUsbStick(QString const &mountPath) {
+    QStringList jsonFiles;
+
+    // /media/sda2/etc/psa_config
+    QString const &dirPath = QDir::cleanPath(mountPath + QDir::separator() + "etc" + QDir::separator() + "psa_config");
+    QDir d(dirPath);
+    if (d.exists()) {
+        QDirIterator it(dirPath, QStringList() << "*.json", QDir::Files, QDirIterator::NoIteratorFlags);
+        while (it.hasNext()) {
+            QString const &jsonFile = it.next();
+            QFileInfo fi(jsonFile);
+            if (System::allowedJsonFiles.contains(fi.fileName())) {
+                jsonFiles << jsonFile;
+            } else {
+                qCritical() << "Warning:" << fi.fileName() << "unknown";
+            }
+        }
+    }
+
+    return jsonFiles;
+}
 
 /********************************************************************************
  * static function to check if a mounted sd-card is writable.

common/src/message_handler.cpp

@@ -0,0 +1,97 @@
+#include "message_handler.h"
+
+#include <QDateTime>
+#include <cstring>
+#include <QString>
+#include <QFileInfo>
+#include <QMessageLogContext>
+
+
+static char const *DBG_NAME[] = { "DBG  ", "WARN ", "CRIT ", "FATAL", "INFO " };
+static bool installedMsgHandler = false;
+static int debugLevel = LOG_NOTICE;
+
+int getDebugLevel() { return debugLevel; }
+void setDebugLevel(int newDebugLevel) {
+    debugLevel = newDebugLevel;
+}
+
+bool messageHandlerInstalled() {
+    return installedMsgHandler;
+}
+
+QtMessageHandler atbInstallMessageHandler(QtMessageHandler handler) {
+    installedMsgHandler = (handler != 0);
+    static QtMessageHandler prevHandler = nullptr;
+    if (handler) {
+        prevHandler = qInstallMessageHandler(handler);
+        return prevHandler;
+    } else {
+        return qInstallMessageHandler(prevHandler);
+    }
+}
+
+///
+/// \brief Print message according to given debug level.
+///
+/// \note Install this function using qInstallMsgHandler().
+///
+///  int main(int argc, char **argv) {
+///     installMsgHandler(atbDebugOutput);
+///     QApplication app(argc, argv);
+///     ...
+///     return app.exec();
+///  }
+///
+#if (QT_VERSION > QT_VERSION_CHECK(5, 0, 0) && QT_VERSION < QT_VERSION_CHECK(6, 0, 0))
+void atbDebugOutput(QtMsgType type, const QMessageLogContext &context, const QString &msg) {
+    Q_UNUSED(context);
+    QString const localMsg = QString(DBG_NAME[type]) + msg.toLocal8Bit();
+
+    switch (debugLevel) {
+        case LOG_DEBUG: { // debug-level message
+            syslog(LOG_DEBUG, "%s", localMsg.toStdString().c_str());
+        } break;
+        case LOG_INFO: { // informational message
+            if (type != QtDebugMsg) {
+                syslog(LOG_DEBUG, "%s", localMsg.toStdString().c_str());
+            }
+        } break;
+        case LOG_NOTICE: { // normal, but significant, condition
+            if (type != QtDebugMsg) {
+                syslog(LOG_DEBUG, "%s", localMsg.toStdString().c_str());
+            }
+        } break;
+        case LOG_WARNING: { // warning conditions
+            if (type != QtInfoMsg && type != QtDebugMsg) {
+                syslog(LOG_DEBUG, "%s", localMsg.toStdString().c_str());
+            }
+        } break;
+        case LOG_ERR: { // error conditions
+            if (type != QtInfoMsg && type != QtDebugMsg && type != QtWarningMsg) {
+                syslog(LOG_DEBUG, "%s", localMsg.toStdString().c_str());
+            }
+        } break;
+        case LOG_CRIT: { // critical conditions
+            if (type != QtInfoMsg && type != QtDebugMsg && type != QtWarningMsg) {
+                syslog(LOG_DEBUG, "%s", localMsg.toStdString().c_str());
+            }
+        } break;
+        case LOG_ALERT: { // action must be taken immediately
+            if (type != QtInfoMsg && type != QtDebugMsg && type != QtWarningMsg) {
+                syslog(LOG_DEBUG, "%s", localMsg.toStdString().c_str());
+            }
+        } break;
+        case LOG_EMERG: { // system is unusable
+            if (type != QtInfoMsg && type != QtDebugMsg && type != QtWarningMsg) {
+                syslog(LOG_DEBUG, "%s", localMsg.toStdString().c_str());
+            }
+        } break;
+        default: {
+            //fprintf(stderr, "%s No ErrorLevel defined! %s\n",
+            //    datetime.toStdString().c_str(), msg.toStdString().c_str());
+        }
+    }
+}
+#endif
+