From 6a48be6484f8b4dfaded72f2b5038d8224f86a07 Mon Sep 17 00:00:00 2001
From: lipengpeng <lipengpeng@xinje.cc>
Date: Fri, 8 Aug 2025 14:02:12 +0800
Subject: [PATCH] =?UTF-8?q?=E8=83=BD=E5=A4=9F=E8=BF=9B=E8=A1=8C=E9=80=9A?=
 =?UTF-8?q?=E8=BF=87Modbus=E5=8D=8F=E8=AE=AE=E4=B8=8E=E4=BB=8E=E7=AB=99?=
 =?UTF-8?q?=E8=BF=9B=E8=A1=8C=E9=80=9A=E4=BF=A1?=
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---
 editor.pro.user |  2 +-
 plc.cpp         | 28 ++++++++++++++++++++++++++--
 plc.h           |  6 ++++++
 plc.ui          | 40 ++++++++++++++++++++++++++++++++++++++--
 4 files changed, 71 insertions(+), 5 deletions(-)

diff --git a/editor.pro.user b/editor.pro.user
index 6933c03..916a4d0 100644
--- a/editor.pro.user
+++ b/editor.pro.user
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE QtCreatorProject>
-<!-- Written by QtCreator 4.11.1, 2025-08-07T20:13:11. -->
+<!-- Written by QtCreator 4.11.1, 2025-08-08T13:01:33. -->
 <qtcreator>
  <data>
   <variable>EnvironmentId</variable>
diff --git a/plc.cpp b/plc.cpp
index 1818534..3c978dc 100644
--- a/plc.cpp
+++ b/plc.cpp
@@ -35,8 +35,8 @@ PLC::PLC(QWidget *parent) :
     createComponents();
     connect(ui->listWidget,&QListWidget::currentTextChanged,this,&PLC::onListwidgetCurrenttextchanged);
     connect(ui->btn_insert,&QPushButton::clicked,this,&PLC::btnInsertClicked);
-//    connect(modbusManager, &ModbusManager::connectionStatusChanged,
-//            this, &PLC::updateConnectionStatus);
+    connect(modbusManager, &ModbusManager::connectionStatusChanged,
+            this, &PLC::updateConnectionStatus);
 //    connect(modbusManager, &ModbusManager::errorOccurred,
 //            this, &PLC::handleModbusError);
     connect(ui->graphicsView, &MyGraphicsView::itemBoundToRegister,
@@ -233,3 +233,27 @@ void PLC::btnInsertClicked()
        Connection* c2 = new Connection(newItem, Item::Right, to, toType);
        ui->graphicsView->scene()->addItem(c2);
 }
+
+void PLC::on_pushButton_clicked()
+{
+    modbusManager->connectToDevice("COM1",QSerialPort::BaudRate(9600),QSerialPort::DataBits(8),QSerialPort::EvenParity,QSerialPort::StopBits(1));
+}
+
+void PLC::on_pushButton_2_clicked()
+{
+    modbusManager->disconnectDevice();
+}
+
+void PLC::updateConnectionStatus(bool connection)
+{
+    if (connection)
+    {
+        ui->textEdit->append("连接");
+        modbusManager->startSimulation(2000);
+    }
+    else
+    {
+        ui->textEdit->append("断开");
+        modbusManager->stopSimulation();
+    }
+}
diff --git a/plc.h b/plc.h
index 906f8c0..99c7f7e 100644
--- a/plc.h
+++ b/plc.h
@@ -30,6 +30,12 @@ private slots:
     void onListwidgetCurrenttextchanged(const QString &currentText);
     void btnInsertClicked();
 
+    void on_pushButton_clicked();
+
+    void on_pushButton_2_clicked();
+
+    void updateConnectionStatus(bool connection);
+
 private:
     Ui::PLC *ui;
     QGraphicsScene *plc_scene_;
diff --git a/plc.ui b/plc.ui
index 33a7d94..c595c9f 100644
--- a/plc.ui
+++ b/plc.ui
@@ -19,7 +19,7 @@
      <x>10</x>
      <y>30</y>
      <width>171</width>
-     <height>451</height>
+     <height>401</height>
     </rect>
    </property>
   </widget>
@@ -29,7 +29,7 @@
      <x>200</x>
      <y>30</y>
      <width>761</width>
-     <height>451</height>
+     <height>401</height>
     </rect>
    </property>
    <property name="dragMode">
@@ -49,6 +49,42 @@
     <string>插入</string>
    </property>
   </widget>
+  <widget class="QTextEdit" name="textEdit">
+   <property name="geometry">
+    <rect>
+     <x>10</x>
+     <y>440</y>
+     <width>951</width>
+     <height>87</height>
+    </rect>
+   </property>
+  </widget>
+  <widget class="QPushButton" name="pushButton">
+   <property name="geometry">
+    <rect>
+     <x>120</x>
+     <y>0</y>
+     <width>93</width>
+     <height>28</height>
+    </rect>
+   </property>
+   <property name="text">
+    <string>连接</string>
+   </property>
+  </widget>
+  <widget class="QPushButton" name="pushButton_2">
+   <property name="geometry">
+    <rect>
+     <x>230</x>
+     <y>0</y>
+     <width>93</width>
+     <height>28</height>
+    </rect>
+   </property>
+   <property name="text">
+    <string>断开</string>
+   </property>
+  </widget>
  </widget>
  <customwidgets>
   <customwidget>