14000703 swconnect button edit wtrite

build-serialConnectionManager-Desktop_Qt_5_13_1_GCC_64bit-Debug/moc_mainwindow.cpp

@@ -22,8 +22,8 @@ QT_BEGIN_MOC_NAMESPACE
 QT_WARNING_PUSH
 QT_WARNING_DISABLE_DEPRECATED
 struct qt_meta_stringdata_MainWindow_t {
-    QByteArrayData data[7];
-    char stringdata0[113];
+    QByteArrayData data[9];
+    char stringdata0[135];
 };
 #define QT_MOC_LITERAL(idx, ofs, len) \
     Q_STATIC_BYTE_ARRAY_DATA_HEADER_INITIALIZER_WITH_OFFSET(len, \
@@ -38,12 +38,15 @@ QT_MOC_LITERAL(2, 36, 0), // ""
 QT_MOC_LITERAL(3, 37, 21), // "on_readButton_clicked"
 QT_MOC_LITERAL(4, 59, 19), // "printDataFromClient"
 QT_MOC_LITERAL(5, 79, 10), // "readedData"
-QT_MOC_LITERAL(6, 90, 22) // "on_writeButton_clicked"
+QT_MOC_LITERAL(6, 90, 15), // "connectionState"
+QT_MOC_LITERAL(7, 106, 5), // "state"
+QT_MOC_LITERAL(8, 112, 22) // "on_writeButton_clicked"
 
     },
     "MainWindow\0on_connectButton_clicked\0"
     "\0on_readButton_clicked\0printDataFromClient\0"
-    "readedData\0on_writeButton_clicked"
+    "readedData\0connectionState\0state\0"
+    "on_writeButton_clicked"
 };
 #undef QT_MOC_LITERAL
 
@@ -53,7 +56,7 @@ static const uint qt_meta_data_MainWindow[] = {
        8,       // revision
        0,       // classname
        0,    0, // classinfo
-       4,   14, // methods
+       5,   14, // methods
        0,    0, // properties
        0,    0, // enums/sets
        0,    0, // constructors
@@ -61,15 +64,17 @@ static const uint qt_meta_data_MainWindow[] = {
        0,       // signalCount
 
  // slots: name, argc, parameters, tag, flags
-       1,    0,   34,    2, 0x08 /* Private */,
-       3,    0,   35,    2, 0x08 /* Private */,
-       4,    1,   36,    2, 0x08 /* Private */,
-       6,    0,   39,    2, 0x08 /* Private */,
+       1,    0,   39,    2, 0x08 /* Private */,
+       3,    0,   40,    2, 0x08 /* Private */,
+       4,    1,   41,    2, 0x08 /* Private */,
+       6,    1,   44,    2, 0x08 /* Private */,
+       8,    0,   47,    2, 0x08 /* Private */,
 
  // slots: parameters
     QMetaType::Void,
     QMetaType::Void,
     QMetaType::Void, QMetaType::QString,    5,
+    QMetaType::Void, QMetaType::Bool,    7,
     QMetaType::Void,
 
        0        // eod
@@ -84,7 +89,8 @@ void MainWindow::qt_static_metacall(QObject *_o, QMetaObject::Call _c, int _id,
         case 0: _t->on_connectButton_clicked(); break;
         case 1: _t->on_readButton_clicked(); break;
         case 2: _t->printDataFromClient((*reinterpret_cast< QString(*)>(_a[1]))); break;
-        case 3: _t->on_writeButton_clicked(); break;
+        case 3: _t->connectionState((*reinterpret_cast< bool(*)>(_a[1]))); break;
+        case 4: _t->on_writeButton_clicked(); break;
         default: ;
         }
     }
@@ -119,13 +125,13 @@ int MainWindow::qt_metacall(QMetaObject::Call _c, int _id, void **_a)
     if (_id < 0)
         return _id;
     if (_c == QMetaObject::InvokeMetaMethod) {
-        if (_id < 4)
+        if (_id < 5)
             qt_static_metacall(this, _c, _id, _a);
-        _id -= 4;
+        _id -= 5;
     } else if (_c == QMetaObject::RegisterMethodArgumentMetaType) {
-        if (_id < 4)
+        if (_id < 5)
             *reinterpret_cast<int*>(_a[0]) = -1;
-        _id -= 4;
+        _id -= 5;
     }
     return _id;
 }

build-serialConnectionManager-Desktop_Qt_5_13_1_GCC_64bit-Debug/moc_modbusmaster.cpp

@@ -22,8 +22,8 @@ QT_BEGIN_MOC_NAMESPACE
 QT_WARNING_PUSH
 QT_WARNING_DISABLE_DEPRECATED
 struct qt_meta_stringdata_modBusMaster_t {
-    QByteArrayData data[5];
-    char stringdata0[55];
+    QByteArrayData data[7];
+    char stringdata0[83];
 };
 #define QT_MOC_LITERAL(idx, ofs, len) \
     Q_STATIC_BYTE_ARRAY_DATA_HEADER_INITIALIZER_WITH_OFFSET(len, \
@@ -36,11 +36,14 @@ QT_MOC_LITERAL(0, 0, 12), // "modBusMaster"
 QT_MOC_LITERAL(1, 13, 14), // "dataFromClient"
 QT_MOC_LITERAL(2, 28, 0), // ""
 QT_MOC_LITERAL(3, 29, 15), // "readedParameter"
-QT_MOC_LITERAL(4, 45, 9) // "readReady"
+QT_MOC_LITERAL(4, 45, 21), // "modbusConnectionState"
+QT_MOC_LITERAL(5, 67, 5), // "state"
+QT_MOC_LITERAL(6, 73, 9) // "readReady"
 
     },
     "modBusMaster\0dataFromClient\0\0"
-    "readedParameter\0readReady"
+    "readedParameter\0modbusConnectionState\0"
+    "state\0readReady"
 };
 #undef QT_MOC_LITERAL
 
@@ -50,21 +53,23 @@ static const uint qt_meta_data_modBusMaster[] = {
        8,       // revision
        0,       // classname
        0,    0, // classinfo
-       2,   14, // methods
+       3,   14, // methods
        0,    0, // properties
        0,    0, // enums/sets
        0,    0, // constructors
        0,       // flags
-       1,       // signalCount
+       2,       // signalCount
 
  // signals: name, argc, parameters, tag, flags
-       1,    1,   24,    2, 0x06 /* Public */,
+       1,    1,   29,    2, 0x06 /* Public */,
+       4,    1,   32,    2, 0x06 /* Public */,
 
  // slots: name, argc, parameters, tag, flags
-       4,    0,   27,    2, 0x0a /* Public */,
+       6,    0,   35,    2, 0x0a /* Public */,
 
  // signals: parameters
     QMetaType::Void, QMetaType::QString,    3,
+    QMetaType::Void, QMetaType::Bool,    5,
 
  // slots: parameters
     QMetaType::Void,
@@ -79,7 +84,8 @@ void modBusMaster::qt_static_metacall(QObject *_o, QMetaObject::Call _c, int _id
         Q_UNUSED(_t)
         switch (_id) {
         case 0: _t->dataFromClient((*reinterpret_cast< QString(*)>(_a[1]))); break;
-        case 1: _t->readReady(); break;
+        case 1: _t->modbusConnectionState((*reinterpret_cast< bool(*)>(_a[1]))); break;
+        case 2: _t->readReady(); break;
         default: ;
         }
     } else if (_c == QMetaObject::IndexOfMethod) {
@@ -91,6 +97,13 @@ void modBusMaster::qt_static_metacall(QObject *_o, QMetaObject::Call _c, int _id
                 return;
             }
         }
+        {
+            using _t = void (modBusMaster::*)(bool );
+            if (*reinterpret_cast<_t *>(_a[1]) == static_cast<_t>(&modBusMaster::modbusConnectionState)) {
+                *result = 1;
+                return;
+            }
+        }
     }
 }
 
@@ -123,13 +136,13 @@ int modBusMaster::qt_metacall(QMetaObject::Call _c, int _id, void **_a)
     if (_id < 0)
         return _id;
     if (_c == QMetaObject::InvokeMetaMethod) {
-        if (_id < 2)
+        if (_id < 3)
             qt_static_metacall(this, _c, _id, _a);
-        _id -= 2;
+        _id -= 3;
     } else if (_c == QMetaObject::RegisterMethodArgumentMetaType) {
-        if (_id < 2)
+        if (_id < 3)
             *reinterpret_cast<int*>(_a[0]) = -1;
-        _id -= 2;
+        _id -= 3;
     }
     return _id;
 }
@@ -140,5 +153,12 @@ void modBusMaster::dataFromClient(QString _t1)
     void *_a[] = { nullptr, const_cast<void*>(reinterpret_cast<const void*>(std::addressof(_t1))) };
     QMetaObject::activate(this, &staticMetaObject, 0, _a);
 }
+
+// SIGNAL 1
+void modBusMaster::modbusConnectionState(bool _t1)
+{
+    void *_a[] = { nullptr, const_cast<void*>(reinterpret_cast<const void*>(std::addressof(_t1))) };
+    QMetaObject::activate(this, &staticMetaObject, 1, _a);
+}
 QT_WARNING_POP
 QT_END_MOC_NAMESPACE

build-serialConnectionManager-Desktop_Qt_5_13_1_GCC_64bit-Debug/ui_mainwindow.h

@@ -46,19 +46,19 @@ public:
     QHBoxLayout *horizontalLayout_2;
     QGroupBox *groupBox_2;
     QGridLayout *gridLayout_3;
-    QLabel *label_4;
     QSpinBox *readAddress;
-    QComboBox *readSize;
+    QLabel *label_5;
     QLabel *label_9;
+    QComboBox *readSize;
+    QLabel *label_4;
     QTextEdit *textEditRead;
-    QLabel *label_5;
     QGroupBox *writeGroupBox;
     QGridLayout *gridLayout_2;
-    QSpinBox *writeAddress;
     QVBoxLayout *verticalLayout_2;
     QCheckBox *coilData1;
     QCheckBox *coilData2;
     QComboBox *writeSize;
+    QSpinBox *writeAddress;
     QLabel *label_7;
     QLabel *label_8;
     QVBoxLayout *verticalLayout;
@@ -83,7 +83,7 @@ public:
     {
         if (MainWindow->objectName().isEmpty())
             MainWindow->setObjectName(QString::fromUtf8("MainWindow"));
-        MainWindow->resize(588, 520);
+        MainWindow->resize(578, 569);
         centralwidget = new QWidget(MainWindow);
         centralwidget->setObjectName(QString::fromUtf8("centralwidget"));
         layoutWidget = new QWidget(centralwidget);
@@ -156,17 +156,22 @@ public:
         groupBox_2->setMinimumSize(QSize(250, 0));
         gridLayout_3 = new QGridLayout(groupBox_2);
         gridLayout_3->setObjectName(QString::fromUtf8("gridLayout_3"));
-        label_4 = new QLabel(groupBox_2);
-        label_4->setObjectName(QString::fromUtf8("label_4"));
-
-        gridLayout_3->addWidget(label_4, 0, 1, 1, 1);
-
         readAddress = new QSpinBox(groupBox_2);
         readAddress->setObjectName(QString::fromUtf8("readAddress"));
         readAddress->setMaximum(15);
 
         gridLayout_3->addWidget(readAddress, 0, 2, 1, 1);
 
+        label_5 = new QLabel(groupBox_2);
+        label_5->setObjectName(QString::fromUtf8("label_5"));
+
+        gridLayout_3->addWidget(label_5, 1, 1, 1, 1);
+
+        label_9 = new QLabel(groupBox_2);
+        label_9->setObjectName(QString::fromUtf8("label_9"));
+
+        gridLayout_3->addWidget(label_9, 2, 1, 1, 1);
+
         readSize = new QComboBox(groupBox_2);
         readSize->addItem(QString());
         readSize->addItem(QString());
@@ -182,21 +187,16 @@ public:
 
         gridLayout_3->addWidget(readSize, 1, 2, 1, 1);
 
-        label_9 = new QLabel(groupBox_2);
-        label_9->setObjectName(QString::fromUtf8("label_9"));
+        label_4 = new QLabel(groupBox_2);
+        label_4->setObjectName(QString::fromUtf8("label_4"));
 
-        gridLayout_3->addWidget(label_9, 2, 1, 1, 1);
+        gridLayout_3->addWidget(label_4, 0, 1, 1, 1);
 
         textEditRead = new QTextEdit(groupBox_2);
         textEditRead->setObjectName(QString::fromUtf8("textEditRead"));
 
         gridLayout_3->addWidget(textEditRead, 3, 1, 1, 2);
 
-        label_5 = new QLabel(groupBox_2);
-        label_5->setObjectName(QString::fromUtf8("label_5"));
-
-        gridLayout_3->addWidget(label_5, 1, 1, 1, 1);
-
 
         horizontalLayout_2->addWidget(groupBox_2);
 
@@ -205,12 +205,6 @@ public:
         writeGroupBox->setMinimumSize(QSize(225, 0));
         gridLayout_2 = new QGridLayout(writeGroupBox);
         gridLayout_2->setObjectName(QString::fromUtf8("gridLayout_2"));
-        writeAddress = new QSpinBox(writeGroupBox);
-        writeAddress->setObjectName(QString::fromUtf8("writeAddress"));
-        writeAddress->setMaximum(9);
-
-        gridLayout_2->addWidget(writeAddress, 0, 1, 1, 1);
-
         verticalLayout_2 = new QVBoxLayout();
         verticalLayout_2->setObjectName(QString::fromUtf8("verticalLayout_2"));
         coilData1 = new QCheckBox(writeGroupBox);
@@ -229,18 +223,17 @@ public:
         writeSize = new QComboBox(writeGroupBox);
         writeSize->addItem(QString());
         writeSize->addItem(QString());
-        writeSize->addItem(QString());
-        writeSize->addItem(QString());
-        writeSize->addItem(QString());
-        writeSize->addItem(QString());
-        writeSize->addItem(QString());
-        writeSize->addItem(QString());
-        writeSize->addItem(QString());
-        writeSize->addItem(QString());
         writeSize->setObjectName(QString::fromUtf8("writeSize"));
+        writeSize->setMaxVisibleItems(2);
 
         gridLayout_2->addWidget(writeSize, 1, 1, 1, 1);
 
+        writeAddress = new QSpinBox(writeGroupBox);
+        writeAddress->setObjectName(QString::fromUtf8("writeAddress"));
+        writeAddress->setMaximum(9);
+
+        gridLayout_2->addWidget(writeAddress, 0, 1, 1, 1);
+
         label_7 = new QLabel(writeGroupBox);
         label_7->setObjectName(QString::fromUtf8("label_7"));
 
@@ -291,7 +284,7 @@ public:
 
         layoutWidget_3 = new QWidget(centralwidget);
         layoutWidget_3->setObjectName(QString::fromUtf8("layoutWidget_3"));
-        layoutWidget_3->setGeometry(QRect(10, 350, 561, 27));
+        layoutWidget_3->setGeometry(QRect(10, 500, 561, 27));
         horizontalLayout = new QHBoxLayout(layoutWidget_3);
         horizontalLayout->setObjectName(QString::fromUtf8("horizontalLayout"));
         horizontalLayout->setContentsMargins(0, 0, 0, 0);
@@ -330,7 +323,7 @@ public:
         MainWindow->setCentralWidget(centralwidget);
         menubar = new QMenuBar(MainWindow);
         menubar->setObjectName(QString::fromUtf8("menubar"));
-        menubar->setGeometry(QRect(0, 0, 588, 22));
+        menubar->setGeometry(QRect(0, 0, 578, 22));
         MainWindow->setMenuBar(menubar);
         statusbar = new QStatusBar(MainWindow);
         statusbar->setObjectName(QString::fromUtf8("statusbar"));
@@ -340,7 +333,7 @@ public:
 
         connectButton->setDefault(true);
         readSize->setCurrentIndex(9);
-        writeSize->setCurrentIndex(9);
+        writeSize->setCurrentIndex(0);
 
 
         QMetaObject::connectSlotsByName(MainWindow);
@@ -354,7 +347,8 @@ public:
         label->setText(QCoreApplication::translate("MainWindow", "Connection type Is Serial:", nullptr));
         label_2->setText(QCoreApplication::translate("MainWindow", "Port:", nullptr));
         groupBox_2->setTitle(QCoreApplication::translate("MainWindow", "Read", nullptr));
-        label_4->setText(QCoreApplication::translate("MainWindow", "Start address:", nullptr));
+        label_5->setText(QCoreApplication::translate("MainWindow", "Number of values:", nullptr));
+        label_9->setText(QCoreApplication::translate("MainWindow", "Result:", nullptr));
         readSize->setItemText(0, QCoreApplication::translate("MainWindow", "1", nullptr));
         readSize->setItemText(1, QCoreApplication::translate("MainWindow", "2", nullptr));
         readSize->setItemText(2, QCoreApplication::translate("MainWindow", "3", nullptr));
@@ -366,22 +360,14 @@ public:
         readSize->setItemText(8, QCoreApplication::translate("MainWindow", "9", nullptr));
         readSize->setItemText(9, QCoreApplication::translate("MainWindow", "10", nullptr));
 
-        label_9->setText(QCoreApplication::translate("MainWindow", "Result:", nullptr));
-        label_5->setText(QCoreApplication::translate("MainWindow", "Number of values:", nullptr));
+        label_4->setText(QCoreApplication::translate("MainWindow", "Start address:", nullptr));
         writeGroupBox->setTitle(QCoreApplication::translate("MainWindow", "Write", nullptr));
         coilData1->setText(QCoreApplication::translate("MainWindow", "Coil1", nullptr));
         coilData2->setText(QCoreApplication::translate("MainWindow", "Coil2", nullptr));
         writeSize->setItemText(0, QCoreApplication::translate("MainWindow", "1", nullptr));
         writeSize->setItemText(1, QCoreApplication::translate("MainWindow", "2", nullptr));
-        writeSize->setItemText(2, QCoreApplication::translate("MainWindow", "3", nullptr));
-        writeSize->setItemText(3, QCoreApplication::translate("MainWindow", "4", nullptr));
-        writeSize->setItemText(4, QCoreApplication::translate("MainWindow", "5", nullptr));
-        writeSize->setItemText(5, QCoreApplication::translate("MainWindow", "6", nullptr));
-        writeSize->setItemText(6, QCoreApplication::translate("MainWindow", "7", nullptr));
-        writeSize->setItemText(7, QCoreApplication::translate("MainWindow", "8", nullptr));
-        writeSize->setItemText(8, QCoreApplication::translate("MainWindow", "9", nullptr));
-        writeSize->setItemText(9, QCoreApplication::translate("MainWindow", "10", nullptr));
 
+        writeSize->setCurrentText(QCoreApplication::translate("MainWindow", "1", nullptr));
         label_7->setText(QCoreApplication::translate("MainWindow", "Start address:", nullptr));
         label_8->setText(QCoreApplication::translate("MainWindow", "Number of values:", nullptr));
         label_3->setText(QCoreApplication::translate("MainWindow", "register1", nullptr));

serialConnectionManager/mainwindow.cpp

@@ -11,6 +11,8 @@ MainWindow::MainWindow(QWidget *parent)
     ui->writeTable->addItem(tr("Input Registers"), 2);
     ui->writeTable->addItem(tr("Holding Registers"), 3);
     connect(&modBusObj, &modBusMaster::dataFromClient, this, &MainWindow::printDataFromClient);
+    connect(&modBusObj, &modBusMaster::modbusConnectionState, this, &MainWindow::connectionState);
+
 }
 
 MainWindow::~MainWindow()
@@ -21,8 +23,17 @@ MainWindow::~MainWindow()
 
 void MainWindow::on_connectButton_clicked()
 {
-    modBusObj.init();
-    modBusObj.open(ui->portEdit->text(),ui->serverEdit->value());
+    if( ui->connectButton->text()==tr("Disconnect"))
+    {
+        modBusObj.stop();
+    }
+    else
+    {
+        modBusObj.init();
+        modBusObj.open(ui->portEdit->text(),ui->serverEdit->value());
+    }
+
+
 
 }
 void MainWindow::on_readButton_clicked()
@@ -48,6 +59,14 @@ void MainWindow::printDataFromClient(QString readedData)
     ui->textEditRead->setText(readedData);
 }
 
+void MainWindow::connectionState(bool state)
+{
+    if (state)
+        ui->connectButton->setText(tr("Disconnect"));
+    else
+        ui->connectButton->setText(tr("Connect"));
+}
+
 void MainWindow::on_writeButton_clicked()
 {
     uiCoils.resize(2);
@@ -66,7 +85,7 @@ void MainWindow::on_writeButton_clicked()
         }
         else if (numberOfEntries==1)
         {
-            qDebug() << "coil umberOfEntries==1 " << numberOfEntries ;
+            qDebug() << "coil numberOfEntries==1 " << numberOfEntries ;
             modBusObj.setSingleCoil(startAddress, ui->coilData1->isChecked());
         }
         break;

serialConnectionManager/mainwindow.h

@@ -20,6 +20,7 @@ private slots:
     void on_connectButton_clicked();
     void on_readButton_clicked();
     void printDataFromClient(QString readedData);
+    void connectionState(bool state);
     
     void on_writeButton_clicked();
 

serialConnectionManager/mainwindow.ui

@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>588</width>
-    <height>520</height>
+    <width>578</width>
+    <height>569</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -129,13 +129,6 @@
         <string>Read</string>
        </property>
        <layout class="QGridLayout" name="gridLayout_3">
-        <item row="0" column="1">
-         <widget class="QLabel" name="label_4">
-          <property name="text">
-           <string>Start address:</string>
-          </property>
-         </widget>
-        </item>
         <item row="0" column="2">
          <widget class="QSpinBox" name="readAddress">
           <property name="maximum">
@@ -143,6 +136,20 @@
           </property>
          </widget>
         </item>
+        <item row="1" column="1">
+         <widget class="QLabel" name="label_5">
+          <property name="text">
+           <string>Number of values:</string>
+          </property>
+         </widget>
+        </item>
+        <item row="2" column="1">
+         <widget class="QLabel" name="label_9">
+          <property name="text">
+           <string>Result:</string>
+          </property>
+         </widget>
+        </item>
         <item row="1" column="2">
          <widget class="QComboBox" name="readSize">
           <property name="currentIndex">
@@ -200,23 +207,16 @@
           </item>
          </widget>
         </item>
-        <item row="2" column="1">
-         <widget class="QLabel" name="label_9">
+        <item row="0" column="1">
+         <widget class="QLabel" name="label_4">
           <property name="text">
-           <string>Result:</string>
+           <string>Start address:</string>
           </property>
          </widget>
         </item>
         <item row="3" column="1" colspan="2">
          <widget class="QTextEdit" name="textEditRead"/>
         </item>
-        <item row="1" column="1">
-         <widget class="QLabel" name="label_5">
-          <property name="text">
-           <string>Number of values:</string>
-          </property>
-         </widget>
-        </item>
        </layout>
       </widget>
      </item>
@@ -232,13 +232,6 @@
         <string>Write</string>
        </property>
        <layout class="QGridLayout" name="gridLayout_2">
-        <item row="0" column="1">
-         <widget class="QSpinBox" name="writeAddress">
-          <property name="maximum">
-           <number>9</number>
-          </property>
-         </widget>
-        </item>
         <item row="2" column="0" colspan="2">
          <layout class="QVBoxLayout" name="verticalLayout_2">
           <item>
@@ -259,8 +252,14 @@
         </item>
         <item row="1" column="1">
          <widget class="QComboBox" name="writeSize">
+          <property name="currentText">
+           <string>1</string>
+          </property>
           <property name="currentIndex">
-           <number>9</number>
+           <number>0</number>
+          </property>
+          <property name="maxVisibleItems">
+           <number>2</number>
           </property>
           <item>
            <property name="text">
@@ -272,46 +271,13 @@
             <string>2</string>
            </property>
           </item>
-          <item>
-           <property name="text">
-            <string>3</string>
-           </property>
-          </item>
-          <item>
-           <property name="text">
-            <string>4</string>
-           </property>
-          </item>
-          <item>
-           <property name="text">
-            <string>5</string>
-           </property>
-          </item>
-          <item>
-           <property name="text">
-            <string>6</string>
-           </property>
-          </item>
-          <item>
-           <property name="text">
-            <string>7</string>
-           </property>
-          </item>
-          <item>
-           <property name="text">
-            <string>8</string>
-           </property>
-          </item>
-          <item>
-           <property name="text">
-            <string>9</string>
-           </property>
-          </item>
-          <item>
-           <property name="text">
-            <string>10</string>
-           </property>
-          </item>
+         </widget>
+        </item>
+        <item row="0" column="1">
+         <widget class="QSpinBox" name="writeAddress">
+          <property name="maximum">
+           <number>9</number>
+          </property>
          </widget>
         </item>
         <item row="0" column="0">
@@ -367,7 +333,7 @@
     <property name="geometry">
      <rect>
       <x>10</x>
-      <y>350</y>
+      <y>500</y>
       <width>561</width>
       <height>27</height>
      </rect>
@@ -434,7 +400,7 @@
     <rect>
      <x>0</x>
      <y>0</y>
-     <width>588</width>
+     <width>578</width>
      <height>22</height>
     </rect>
    </property>

serialConnectionManager/modbusmaster.cpp

@@ -51,6 +51,7 @@ void modBusMaster::open(QString _serialPort , int _serverId)
 #endif
         modbusDevice->setTimeout(modbusSettings.responseTime);
         modbusDevice->setNumberOfRetries(modbusSettings.numberOfRetries);
+        emit modbusConnectionState(true);
     }
     if (!modbusDevice->connectDevice())
     {
@@ -66,17 +67,16 @@ void modBusMaster::close()
 
 void modBusMaster::stop()
 {
-    
+    if (modbusDevice)
+        modbusDevice->disconnectDevice();
+    emit modbusConnectionState(false);
 }
 
 void modBusMaster::setSingleCoil(int startAddress,bool coilFlag)
 {
     if (!modbusDevice)
         return;
-    qDebug() << " ---- setSingleCoil " ;
-    m_coils.clearBit(2);
     m_coils.setBit(0,coilFlag);
-    qDebug() << " ---- setSingleCoil coilFlag "  <<coilFlag;
     writeRequest(QModbusDataUnit::RegisterType::Coils,  startAddress, 1);
 
 }
@@ -85,7 +85,6 @@ void modBusMaster::setMultipleCoil(int startAddress, quint16 writeSize, QBitArra
 {
     if (!modbusDevice)
         return;
-    m_holdingRegisters.clear();
     m_coils = someCoilFlags;
     writeRequest(QModbusDataUnit::RegisterType::Coils,  startAddress, writeSize);
 }
@@ -94,7 +93,6 @@ void modBusMaster::setSingleRgister(int startAddress,  quint16 RegisterValue)
 {
     if (!modbusDevice)
         return;
-    m_holdingRegisters.clear();
     m_holdingRegisters[0]=RegisterValue;
     writeRequest(QModbusDataUnit::RegisterType::HoldingRegisters,  startAddress, 1);
 }

serialConnectionManager/modbusmaster.h

@@ -39,6 +39,8 @@ public:
 
 signals:
     void  dataFromClient(QString readedParameter);
+    void  modbusConnectionState(bool state);
+
 public slots:
     void readReady();
 private: