Qt5串口调试助手源码(基本功能)

#include "serial.h" #include "ui_serial.h" serial::serial(QWidget *parent) : QWidget(parent), ui(new Ui::serial) { ui->setupUi(this); ui->textEdit->append(tr("检测到端口列表:")); foreach (const QSerialPortInfo &info, QSerialPortInfo::availablePorts()) { QSerialPort serial; serial.setPort(info); if (serial.open(QIODevice::ReadWrite)) { ui->comboBox->addItem(info.portName()); ui->textEdit->append(info.portName()); ui->textEdit->append(info.description()); ui->textEdit->append(info.manufacturer()); serial.close(); } } ui->comboBox_2->setCurrentIndex(3);//默认9600 ui->pushButton->setText(tr("打开串口")); ui->pushButton_2->setEnabled(false); } serial::~serial() { delete ui; } void serial::my_readuart() { QByteArray requestData; requestData = my_serialport->readAll(); if(requestData!= NULL) { ui->textEdit->append(tr(requestData)); } requestData.clear(); } void serial::on_pushButton_clicked() { if(ui->pushButton->text()==tr("打开串口")){ my_serialport= new QSerialPort(); my_serialport->setPortName(ui->comboBox->currentText()); my_serialport->open(QIODevice::ReadWrite); my_serialport->setBaudRate(ui->comboBox_2->currentText().toInt()); switch(ui->comboBox_3->currentIndex()){ case 0: my_serialport->setParity(QSerialPort::NoParity);break; case 1: my_serialport->setParity(QSerialPort::OddParity);break; case 2: my_serialport->setParity(QSerialPort::EvenParity);break; default: break; } switch(ui->comboBox_4->currentIndex()){ case 0: my_serialport->setDataBits(QSerialPort::Data8);break; case 1: my_serialport->setDataBits(QSerialPort::Data7);break; case 2: my_serialport->setDataBits(QSerialPort::Data6);break; default: break; } switch(ui->comboBox_5->currentIndex()){ case 0: my_serialport->setStopBits(QSerialPort::OneStop);break; case 1: my_serialport->setStopBits(QSerialPort::TwoStop);break; default: break; } my_serialport->setFlowControl(QSerialPort::NoFlowControl); connect(my_serialport,SIGNAL(readyRead()),this,SLOT(my_readuart())); ui->comboBox->setEnabled(false); ui->comboBox_2->setEnabled(false); ui->comboBox_3->setEnabled(false); ui->comboBox_4->setEnabled(false); ui->comboBox_5->setEnabled(false); ui->label_6->setStyleSheet("background-color:red"); ui->pushButton->setText(tr("关闭串口")); ui->pushButton_2->setEnabled(true); } else { my_serialport->clear(); my_serialport->deleteLater(); // my_serialport->deleteLater(); ui->comboBox->setEnabled(true); ui->comboBox_2->setEnabled(true); ui->comboBox_3->setEnabled(true); ui->comboBox_4->setEnabled(true); ui->comboBox_5->setEnabled(true); // ui->label_6->setStyleSheet("background-color:none"); ui->label_6->setStyleSheet("background-color:rgb(130,130,130)"); ui->pushButton->setText(tr("打开串口")); ui->pushButton_2->setEnabled(false); } } void serial::on_pushButton_2_clicked() { my_serialport->write(ui->lineEdit->text().toLatin1()); }