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‎.gitignore

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build-*
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*.user

‎.gitmodules

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[submodule "lib/ADS"]
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path = lib/ADS
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url = https://github.com/Beckhoff/ADS.git

‎Example/.gitignore

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# This file is used to ignore files which are generated
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# ----------------------------------------------------------------------------
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*~
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*.autosave
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*.a
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*.core
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*.moc
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*.o
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*.obj
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*.orig
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*.rej
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*.so
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*.so.*
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*_pch.h.cpp
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*_resource.rc
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*.qm
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.#*
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*.*#
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core
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!core/
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tags
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.DS_Store
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.directory
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*.debug
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Makefile*
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*.prl
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*.app
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moc_*.cpp
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ui_*.h
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qrc_*.cpp
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Thumbs.db
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*.res
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*.rc
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/.qmake.cache
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/.qmake.stash
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# qtcreator generated files
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*.pro.user*
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# xemacs temporary files
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*.flc
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# Vim temporary files
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.*.swp
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# Visual Studio generated files
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*.ib_pdb_index
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*.idb
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*.ilk
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*.pdb
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*.sln
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*.suo
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*.vcproj
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*vcproj.*.*.user
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*.ncb
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*.sdf
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*.opensdf
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*.vcxproj
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*vcxproj.*
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# MinGW generated files
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*.Debug
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*.Release
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# Python byte code
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*.pyc
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# Binaries
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# --------
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*.dll
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*.exe
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‎Example/Example.pro

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QT += quick
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CONFIG += c++11
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# The following define makes your compiler emit warnings if you use
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# any Qt feature that has been marked deprecated (the exact warnings
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# depend on your compiler). Refer to the documentation for the
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# deprecated API to know how to port your code away from it.
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DEFINES += QT_DEPRECATED_WARNINGS
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INCLUDEPATH += ../include
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INCLUDEPATH += ../ADS
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# You can also make your code fail to compile if it uses deprecated APIs.
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# In order to do so, uncomment the following line.
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# You can also select to disable deprecated APIs only up to a certain version of Qt.
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#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000 # disables all the APIs deprecated before Qt 6.0.0
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SOURCES += \
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main.cpp \
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plcdriver.cpp
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RESOURCES += qml.qrc
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# Additional import path used to resolve QML modules in Qt Creator's code model
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QML_IMPORT_PATH =
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# Additional import path used to resolve QML modules just for Qt Quick Designer
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QML_DESIGNER_IMPORT_PATH =
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# Default rules for deployment.
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qnx: target.path = /tmp/$${TARGET}/bin
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else: unix:!android: target.path = /opt/$${TARGET}/bin
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!isEmpty(target.path): INSTALLS += target
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HEADERS += \
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plcdriver.h
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win32:CONFIG(release, debug|release): LIBS += -L$$PWD/../build-qads-Desktop-Debug/release/ -lqads
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else:win32:CONFIG(debug, debug|release): LIBS += -L$$PWD/../build-qads-Desktop-Debug/debug/ -lqads
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else:unix: LIBS += -L$$PWD/../build-qads-Desktop-Debug/ -lqads
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INCLUDEPATH += $$PWD/../build-qads-Desktop-Debug
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DEPENDPATH += $$PWD/../build-qads-Desktop-Debug
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INCLUDEPATH += $$PWD/../lib/ADS/AdsLib
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DEPENDPATH += $$PWD/../lib/ADS/AdsLib

‎Example/main.cpp

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#include <QGuiApplication>
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#include <QQmlApplicationEngine>
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#include <QQmlContext>
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#include <QDebug>
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// qads "library" headers
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#include <tc3manager.h>
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#include <tc3value.h>
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// this header is required for all examples, one could do without this,
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// but for large scale projects an object like this is useful
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#include "plcdriver.h"
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// this header is used for example 2, where complete structs are
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// read and write, respectively. In large scale projects, a header
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// like this should be generated (i.e. by parsing Twincat3's TMC file
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// and generating C++ code from it)
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#include "plcdef.h"
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int main(int argc, char *argv[])
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{
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QGuiApplication app(argc, argv);
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PlcDriver data("10.100.20.228.1.1:851", &app);
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Tc3Manager* manager = data.manager();
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// EXAMPLE 1: single variable access
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// change something on the PLC with the set method
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qDebug() << manager->value("MAIN.variable")->get();
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manager->value("MAIN.variable")->set("connected to plc");
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qDebug() << manager->value("MAIN.variable")->get();
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// EXAMPLE 2: struct variable access
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// read "complex" struct from plc
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// change something in the struct and write it to the plc
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// read the struct again and let's check, if we actually change something
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Tc3Value *exampleStruct = manager->value("MAIN.struct1", sizeof(Plc::ExampleStruct));
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Plc::ExampleStruct exampleStructData = exampleStruct->get<Plc::ExampleStruct>();
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qDebug() << "Initial value" << exampleStructData.sub1.sub2.integer1;
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exampleStructData.sub1.sub2.integer1 += 1;
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exampleStruct->set<Plc::ExampleStruct>(exampleStructData);
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exampleStructData = exampleStruct->get<Plc::ExampleStruct>();
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qDebug() << "New value" << exampleStructData.sub1.sub2.integer1;
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// EXAMPLE 3: QML example
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// Primitive datatypes (INT, DINT, REAL, ...) - where one can use Tc3Manager::AutoType
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// can be bound to properties within QML
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qmlRegisterType<Tc3Value>("Tc3Value", 1, 0, "Tc3Value");
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qmlRegisterType<PlcButton>("PlcButton", 1, 0, "PlcButton");
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qmlRegisterType<PlcAnalogIo>("PlcAnalogIo", 1, 0, "PlcAnalogIo");
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QQmlApplicationEngine engine;
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QQmlContext* context = engine.rootContext();
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// Make generic read/write access to plc available within qml
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context->setContextProperty("plcDriver", &data);
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// Make qml aware of two buttons - each could start a sequence on the plc
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PlcButton btnStartMotor(manager->value("MAIN.btnStartMotor", Tc3Manager::AutoType), &data);
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PlcButton btnStopMotor(manager->value("MAIN.btnStopMotor", Tc3Manager::AutoType), &data);
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context->setContextProperty("btnStartMotor", &btnStartMotor);
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context->setContextProperty("btnStopMotor", &btnStopMotor);
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// Editable analog output
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PlcAnalogIo nominalMotorSpeed(manager->value("MAIN.nominalSpeed", Tc3Manager::AutoType), &data);
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context->setContextProperty("nominalMotorSpeed", &nominalMotorSpeed);
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// Display the current value of an analog input with qml (this is readonly, see qml code)
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PlcAnalogIo actualMotorSpeed(manager->value("MAIN.actualSpeed", Tc3Manager::AutoType, Tc3Manager::NotificationType::Cycle, 100, 1000), &data);
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context->setContextProperty("actualMotorSpeed", &actualMotorSpeed);
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// Stress QML with random values, that should update the corresponding ui element whenever a change occurs
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// parameters 0,1000 forces to receive every change - you wouldn't want to do this in real life applications,
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// also for actual applications, one would implement a QModel for something like that, but we keep it simple here
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QVector<PlcAnalogIo*> randval;
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for(int i=0; i<10; ++i)
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{
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randval << new PlcAnalogIo(manager->value(QString("MAIN.randval[%1]").arg(i), Tc3Manager::AutoType, Tc3Manager::NotificationType::Change, 50, 200), &data);
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context->setContextProperty(QString("randval%1").arg(i), randval[i]);
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}
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engine.load(QUrl(QStringLiteral("qrc:/main.qml")));
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if (engine.rootObjects().isEmpty())
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return -1;
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return app.exec();
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}
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‎Example/main.qml

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import QtQuick 2.10
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import QtQuick.Window 2.10
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import QtQuick.Controls 1.4
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import QtQuick.Layouts 1.3
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Window {
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visible: true
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width: 640
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height: 480
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color: "#292927"
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title: "QAds";
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Text {
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id: text1
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anchors.centerIn: parent
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color: "white"
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text: plcDriver.value("MAIN.variable").value
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}
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// Start action on the plc, the plc should reset the button to false
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Button {
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objectName: "button1"
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id: button1
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anchors.bottom: parent.bottom
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anchors.left: parent.left
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text: qsTr("Start")
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onClicked: btnStartMotor.setPressed(true)
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}
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// Start action on the plc, the plc should reset the button to false
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Button {
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id: button2
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anchors.bottom: parent.bottom
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anchors.left: button1.right
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text: qsTr("Stop")
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onClicked: btnStopMotor.setPressed(true)
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}
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// Spinbox, which can write a value to the plc via binding
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SpinBox {
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id: spin1
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anchors.bottom: parent.bottom
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anchors.right: parent.right
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value: nominalMotorSpeed.value
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suffix: " rpm"
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maximumValue: 5000
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}
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Binding { target: nominalMotorSpeed; property: "value"; value: spin1.value }
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// Spinbox, which can only read from the plc
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SpinBox {
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id: spin2
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anchors.bottom: parent.bottom
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anchors.right: spin1.left
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value: actualMotorSpeed.value
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suffix: " rpm"
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maximumValue: 5000
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stepSize: 100
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enabled: false // lets disable it to make it clear to the user that it is readonly
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}
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ColumnLayout
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{
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Text { color: "white"; text: randval1.value }
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Text { color: "white"; text: randval2.value }
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Text { color: "white"; text: randval3.value }
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Text { color: "white"; text: randval4.value }
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Text { color: "white"; text: randval5.value }
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Text { color: "white"; text: randval6.value }
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Text { color: "white"; text: randval7.value }
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Text { color: "white"; text: randval8.value }
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Text { color: "white"; text: randval9.value }
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}
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}

‎Example/plcdef.h

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#ifndef PLCDEF_H
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#define PLCDEF_H
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// C++ representation of PLC datatypes. For a big scale project
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// something like this should be generated code. Otherwise,
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// it is hard to keep up with changes to structs in a PLC and you
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// might run into huge problems, when the PLC programmer decides
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// to change the arangment of types within structs;
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// Be aware of the correct alignment, you might have to change the
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// alignment if you use a different compiler than the author
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namespace Plc
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{
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enum ColorEnum
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{
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red,
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green,
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blue
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};
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struct ExampleSubSubStruct
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{
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short integer1;
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short integer2;
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float real1;
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ColorEnum color;
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};
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struct ExampleSubStruct
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{
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short integer1;
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ExampleSubSubStruct sub1;
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int integer2;
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ExampleSubSubStruct sub2;
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float real1;
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double lreal1;
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ExampleSubSubStruct sub3;
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};
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struct ExampleStruct
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{
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char string1[256];
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char string2[81];
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ExampleSubStruct sub1;
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};
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}
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#endif // PLCDEF_H

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