Add Utils-class to provide most of the previous functionality.
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utils.cpp
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201
utils.cpp
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#include "utils.h"
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#include <QCoreApplication>
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#include <QApplication>
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#include <QFile>
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#include <QTemporaryFile>
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#include <QDebug>
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#include <QTextStream>
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#include "interfaces.h"
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#include "DCPlugin/include/hwapi.h"
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//#include <unistd.h>
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#include <thread>
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#include <memory>
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#include <QSharedMemory>
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#include <QScopedPointer>
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#include <QProcess>
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#define COLUMN_STATUS (0)
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#define COLUMN_NAME (1)
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#define COLUMN_DATE_TIME (2)
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#define COLUMN_RESULT (3)
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Utils::Utils(QString update_ctrl_file,
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QObject *parent,
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char const *serialInterface,
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char const *baudrate)
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: QObject(parent)
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, m_hw(new hwapi())
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, m_serialInterface(serialInterface)
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, m_baudrate(baudrate)
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, m_update_ctrl_file(update_ctrl_file)
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, m_update_ctrl_file_copy(update_ctrl_file + ".copy")
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, m_in(&m_update_ctrl_file)
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, m_out(&m_update_ctrl_file_copy)
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, m_init(true) {
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if (!m_update_ctrl_file.exists()) {
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qCritical() << "Update-file" << m_update_ctrl_file.fileName()
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<< "does not exist";
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m_init = false;
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}
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if (!m_update_ctrl_file.open(QIODevice::ReadOnly | QIODevice::Text)) {
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qCritical() << "can not open " << m_update_ctrl_file.fileName()
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<< "for reading";
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m_init = false;
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}
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if (!m_update_ctrl_file_copy.open(QIODevice::WriteOnly | QIODevice::Text)) {
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qCritical() << "can not open " << m_update_ctrl_file_copy.fileName()
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<< "for writing";
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m_init = false;
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}
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}
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Utils::~Utils() {
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}
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void Utils::updateBinary(char const *fileToSendToDC) {
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qDebug() << "file to send to DC ..." << fileToSendToDC;
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qDebug() << "baudrate ............." << m_baudrate;
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qDebug() << "serial interface ....." << m_serialInterface;
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m_hw->dc_updateDC(fileToSendToDC, m_baudrate, m_serialInterface);
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std::this_thread::sleep_for(std::chrono::milliseconds(3000));
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QCoreApplication::quit();
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}
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void Utils::updatePrinterConf(int nrOfTemplate, char const *fileToSendToDC) {
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QVector<int> printTemplates{ nrOfTemplate };
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QVector<QString> filesToSend{ fileToSendToDC };
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m_hw->dc_updatePrinterTemplate(hwapi::FileTypeJson::PRINTER,
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printTemplates, filesToSend,
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QString(m_baudrate),
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QString(m_serialInterface));
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std::this_thread::sleep_for(std::chrono::milliseconds(3000));
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QCoreApplication::quit();
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}
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QStringList Utils::getOpenLines() {
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QStringList openLines;
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while (!m_in.atEnd()) {
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QString line = m_in.readLine().trimmed();
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// QString.split() is defined >= 5.14
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if (!line.startsWith("OPEN")) {
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m_out << line;
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} else {
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openLines << line;
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}
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}
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return openLines;
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}
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bool Utils::doUpdate() {
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/*
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The file referred to by 'update_data' has the following structure for
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each line:
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# ======================================================================
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# STATUS | NAME | DATE | RESULT
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# ======================================================================
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# where
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#
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# STATUS: OPEN or CLOSED
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# NAME : If starting with 'opkg' it is an opkg-command to be executed.
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# Otherwise its the name of a file which has to be updated.
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# DATE : 0000-00-00T00:00:00
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# RESULT: SUCCESS or ERROR (possibly with description)
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#
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*/
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if (!m_init) {
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return false;
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}
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QStringList openLines = getOpenLines();
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bool res = false;
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QList<QString>::const_iterator it;
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for (it = openLines.cbegin(); it != openLines.cend(); ++it) {
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int start = 0, end;
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int column = 0;
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QString status, name, datetime, result;
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QString line = *it;
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while ((end = line.indexOf(QChar(','), start)) != -1) {
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QString next = line.mid(start, end).trimmed();
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switch (column) {
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case COLUMN_STATUS:
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status = next;
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break;
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case COLUMN_NAME:
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name = next;
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break;
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case COLUMN_DATE_TIME:
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datetime = next;
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break;
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case COLUMN_RESULT:
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result = next;
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break;
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}
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++column;
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start = end + 1;
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}
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if (!status.contains("OPEN")) {
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qCritical() << "Parsing error for" << m_update_ctrl_file.fileName();
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return false;
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}
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if (name.contains("dc2c") && name.endsWith(".bin")) {
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updateBinary(name.toStdString().c_str());
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res = true;
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} else
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if (name.contains("DC2C_print") && name.endsWith(".json")) {
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int i = name.indexOf("DC2C_print");
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int templateIdx = name.mid(i).midRef(10, 2).toInt();
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updatePrinterConf(templateIdx, name.toStdString().c_str());
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res = true;
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} else
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if (name.contains("opkg")) {
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int i = name.indexOf("opkg ");
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QString rest = name.mid(i).trimmed();
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QScopedPointer<QProcess> p(new QProcess(this));
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p->setProcessChannelMode(QProcess::MergedChannels);
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p->start("opkg", QStringList() << rest);
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if (p->waitForStarted(1000)) {
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if (p->state() == QProcess::ProcessState::Running) {
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if (p->waitForFinished(10000)) {
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QByteArray output = p->readAllStandardOutput();
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qCritical() << output;
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res = true;
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}
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}
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}
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} else {
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// TODO
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}
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QString resultLine = "CLOSED";
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resultLine += ", " + name;
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resultLine += ", " + QDateTime::currentDateTime().toString(Qt::ISODate);
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resultLine += ", " + (res == true) ? "SUCCESS" : "ERROR";
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m_out << resultLine;
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} // for (it = openLines.cbegin(); it != openLines.end(); ++it) {
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return finishUpdate(openLines.size() > 0);
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}
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bool Utils::finishUpdate(bool replaceCtrlFile) {
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if (replaceCtrlFile) {
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if (!m_update_ctrl_file_copy.exists()) {
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return false;
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}
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if (!m_update_ctrl_file.remove()) {
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return false;
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}
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if (!m_update_ctrl_file_copy.rename(m_update_ctrl_file.fileName())) {
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return false;
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}
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}
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return true;
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}
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46
utils.h
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46
utils.h
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@ -0,0 +1,46 @@
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#ifndef UTILS_H_INCLUDED
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#define UTILS_H_INCLUDED
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#include <QObject>
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#include <QString>
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#include <QFile>
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#include <memory>
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#include "interfaces.h"
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#include "DCPlugin/include/hwapi.h"
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#ifdef PTU5
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#define SERIAL_PORT "ttymxc2"
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#else
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#define SERIAL_PORT "ttyUSB0"
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#endif
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class Utils : public QObject {
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Q_OBJECT
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std::unique_ptr<hwinf> m_hw;
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char const *m_serialInterface;
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char const *m_baudrate;
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QFile m_update_ctrl_file;
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QFile m_update_ctrl_file_copy;
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QTextStream m_in;
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QTextStream m_out;
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bool m_init;
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void updateBinary(char const *fileToSendToDC);
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void updatePrinterConf(int nrOfTemplate, char const *fileToSendToDC);
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bool finishUpdate(bool finish);
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QStringList getOpenLines();
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static constexpr QChar SEPARATOR = QChar(',');
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public:
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explicit Utils(QString update_ctrl_file,
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QObject *parent = nullptr,
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char const *serialInterface = SERIAL_PORT,
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char const *baudrate = "115200");
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virtual ~Utils() override;
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bool doUpdate();
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};
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#endif // UTILS_H_INCLUDED
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