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TrainCamp_lipengpeng_Modbus
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连接串口功能

master
鹏鹏 李 2 weeks ago
commit
05f9e0a5b9
6 changed files with 732 additions and 0 deletions
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  1. +11
    -0
      main.cpp
  2. +21
    -0
      modbus.pro
  3. +318
    -0
      modbus.pro.user
  4. +90
    -0
      widget.cpp
  5. +31
    -0
      widget.h
  6. +261
    -0
      widget.ui

+ 11
- 0
main.cpp View File

@@ -0,0 +1,11 @@
#include "widget.h"
#include <QApplication>

int main(int argc, char *argv[])
{
QApplication a(argc, argv);
Widget w;
w.show();

return a.exec();
}

+ 21
- 0
modbus.pro View File

@@ -0,0 +1,21 @@
#-------------------------------------------------
#
# Project created by QtCreator 2025-07-23T11:43:43
#
#-------------------------------------------------

QT += core gui
QT += serialport

greaterThan(QT_MAJOR_VERSION, 4): QT += widgets

TARGET = modbus
TEMPLATE = app


SOURCES += main.cpp\
widget.cpp

HEADERS += widget.h

FORMS += widget.ui

+ 318
- 0
modbus.pro.user View File

@@ -0,0 +1,318 @@
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+ 90
- 0
widget.cpp View File

@@ -0,0 +1,90 @@
#include "widget.h"
#include "ui_widget.h"
#include <QSerialPortInfo>
#include <QDebug>
#include <QSerialPort>
#include <QByteArray>

Widget::Widget(QWidget *parent) :
QWidget(parent),
ui(new Ui::Widget)
{
ui->setupUi(this);
serialPort = new QSerialPort(this);

connect(serialPort,&QSerialPort::readyRead,this,&Widget::on_SerialData_ReadyToRead);

ui->comboBox_baudRate->setCurrentIndex(3);
ui->comboBox_dataBit->setCurrentIndex(3);
ui->comboBox_xiaoyan->setCurrentIndex(2);

QList<QSerialPortInfo> serialList = QSerialPortInfo::availablePorts();
for(QSerialPortInfo serialInfo : serialList)
{
ui->comboBox_serialNum->addItem(serialInfo.portName());
}
}

Widget::~Widget()
{
delete ui;
}

void Widget::on_btnConnect_clicked()
{
if (ui->btnConnect->text() == "连接")
{
//配置串口号
serialPort->setPortName(ui->comboBox_serialNum->currentText());
//配置波特率
serialPort->setBaudRate(ui->comboBox_baudRate->currentText().toInt());
//配置数据位
serialPort->setDataBits(QSerialPort::DataBits(ui->comboBox_dataBit->currentText().toInt()));
//配置校验位
switch (ui->comboBox_xiaoyan->currentIndex())
{
case 0:
serialPort->setParity(QSerialPort::NoParity);
break;
case 1:
serialPort->setParity(QSerialPort::OddParity);
break;
case 2:
serialPort->setParity(QSerialPort::EvenParity);
}
//配置停止位
serialPort->setStopBits(QSerialPort::StopBits(ui->comboBox_stopBit->currentText().toInt()));
//打开串口
if (serialPort->open(QIODevice::ReadWrite))
{
qDebug() << "Serial open success";
ui->btnConnect->setText("断开");
}
else
{
qDebug() << "error";
}
}
else
{
serialPort->close();
ui->btnConnect->setText("连接");
}

}

void Widget::on_pushWrite_clicked()
{
const char *sendData = ui->lineEdit->text().toStdString().c_str();
serialPort->write(sendData);
qDebug() << "SenOk" <<sendData;
}

void Widget::on_SerialData_ReadyToRead()
{
QByteArray revMessage = serialPort->readAll();
QString hexData = revMessage.toHex().toUpper();
qDebug() << hexData;
ui->textEdit->append(hexData);

}

+ 31
- 0
widget.h View File

@@ -0,0 +1,31 @@
#ifndef WIDGET_H
#define WIDGET_H

#include <QSerialPort>
#include <QWidget>

namespace Ui {
class Widget;
}

class Widget : public QWidget
{
Q_OBJECT

public:
explicit Widget(QWidget *parent = 0);
~Widget();

private slots:
void on_btnConnect_clicked();

void on_pushWrite_clicked();

void on_SerialData_ReadyToRead();

private:
Ui::Widget *ui;
QSerialPort *serialPort;
};

#endif // WIDGET_H

+ 261
- 0
widget.ui View File

@@ -0,0 +1,261 @@
<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
<class>Widget</class>
<widget class="QWidget" name="Widget">
<property name="geometry">
<rect>
<x>0</x>
<y>0</y>
<width>787</width>
<height>543</height>
</rect>
</property>
<property name="windowTitle">
<string>Widget</string>
</property>
<widget class="QLabel" name="label">
<property name="geometry">
<rect>
<x>31</x>
<y>31</y>
<width>30</width>
<height>16</height>
</rect>
</property>
<property name="text">
<string>串口</string>
</property>
</widget>
<widget class="QComboBox" name="comboBox_serialNum">
<property name="geometry">
<rect>
<x>68</x>
<y>31</y>
<width>87</width>
<height>21</height>
</rect>
</property>
</widget>
<widget class="QLabel" name="label_2">
<property name="geometry">
<rect>
<x>162</x>
<y>31</y>
<width>45</width>
<height>16</height>
</rect>
</property>
<property name="text">
<string>波特率</string>
</property>
</widget>
<widget class="QLabel" name="label_3">
<property name="geometry">
<rect>
<x>308</x>
<y>31</y>
<width>45</width>
<height>16</height>
</rect>
</property>
<property name="text">
<string>数据位</string>
</property>
</widget>
<widget class="QComboBox" name="comboBox_baudRate">
<property name="geometry">
<rect>
<x>214</x>
<y>31</y>
<width>87</width>
<height>21</height>
</rect>
</property>
<item>
<property name="text">
<string>1200</string>
</property>
</item>
<item>
<property name="text">
<string>2400</string>
</property>
</item>
<item>
<property name="text">
<string>4800</string>
</property>
</item>
<item>
<property name="text">
<string>9600</string>
</property>
</item>
<item>
<property name="text">
<string>19200</string>
</property>
</item>
<item>
<property name="text">
<string>38400</string>
</property>
</item>
</widget>
<widget class="QComboBox" name="comboBox_dataBit">
<property name="geometry">
<rect>
<x>360</x>
<y>31</y>
<width>61</width>
<height>21</height>
</rect>
</property>
<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>NONE</string>
</property>
</item>
</widget>
<widget class="QPushButton" name="btnConnect">
<property name="geometry">
<rect>
<x>480</x>
<y>30</y>
<width>93</width>
<height>28</height>
</rect>
</property>
<property name="text">
<string>连接</string>
</property>
</widget>
<widget class="QComboBox" name="comboBox_xiaoyan">
<property name="geometry">
<rect>
<x>80</x>
<y>70</y>
<width>91</width>
<height>21</height>
</rect>
</property>
<item>
<property name="text">
<string>无校验(N)</string>
</property>
</item>
<item>
<property name="text">
<string>奇校验(O)</string>
</property>
</item>
<item>
<property name="text">
<string>偶校验(E)</string>
</property>
</item>
</widget>
<widget class="QLabel" name="label_7">
<property name="geometry">
<rect>
<x>30</x>
<y>70</y>
<width>51</width>
<height>21</height>
</rect>
</property>
<property name="text">
<string>校验位</string>
</property>
</widget>
<widget class="QLabel" name="label_8">
<property name="geometry">
<rect>
<x>198</x>
<y>70</y>
<width>45</width>
<height>16</height>
</rect>
</property>
<property name="text">
<string>停止位</string>
</property>
</widget>
<widget class="QComboBox" name="comboBox_stopBit">
<property name="geometry">
<rect>
<x>250</x>
<y>70</y>
<width>61</width>
<height>21</height>
</rect>
</property>
<item>
<property name="text">
<string>1</string>
</property>
</item>
<item>
<property name="text">
<string>2</string>
</property>
</item>
</widget>
<widget class="QLineEdit" name="lineEdit">
<property name="geometry">
<rect>
<x>20</x>
<y>150</y>
<width>231</width>
<height>21</height>
</rect>
</property>
</widget>
<widget class="QPushButton" name="pushWrite">
<property name="geometry">
<rect>
<x>270</x>
<y>150</y>
<width>93</width>
<height>28</height>
</rect>
</property>
<property name="text">
<string>发送</string>
</property>
</widget>
<widget class="QTextEdit" name="textEdit">
<property name="geometry">
<rect>
<x>20</x>
<y>180</y>
<width>251</width>
<height>151</height>
</rect>
</property>
</widget>
</widget>
<layoutdefault spacing="6" margin="11"/>
<resources/>
<connections/>
</ui>

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