Serial_Helper Based On QT.zip_Linux QT_QT5_Qt5串口助手_串口助手_串口编程

#include "mainwindow.h" #include <QtSerialPort/QSerialPort> #include <QtSerialPort/QSerialPortInfo> #include <QDebug> #include <QMessageBox> #include <QStatusBar> #include <QPushButton> #include <QByteArray> #include <QDataStream> #include <QTextStream> #include <QTimer> #include <QRegExp> #include <QRegExpValidator> #include <QFile> #include <QFileDialog> #include <QDragEnterEvent> #include <QDropEvent> #include <QMimeData> #include <QAction> #include <QDataStream> MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new Ui::MainWindow) { ui->setupUi(this); setFixedSize(948, 500); ui->receiveTextBrowser->setAcceptDrops(false);//缺省情况下，QTextEdit接受来自其他应用程序拖拽来的文本，把文件名显示出来。 ui->senderTextEdit_1->setAcceptDrops(false); ui->senderTextEdit_2->setAcceptDrops(false); setAcceptDrops(true);//通过禁止QTextEdit控件的drop事件，允许主窗口得到drop事件 setConnections(); setWindowTitle(tr("F28377S Serial Helper")); //当前未连接串口 ui->comLabel->setText(tr("COM：#")); ui->baudLabel->setText(tr("BAUD：#")); ui->chrRB_1->setChecked(true); ui->chrRB_2->setChecked(true); ui->chrReceive->setChecked(true); emit checkAvailablePorts(); emit disabledSendButton(); emit disabledAutoButton(); //检测串口是否可用定时器 Timer_CP = new QTimer(this); //刷新界面 Timer_UPDATE = new QTimer(this); connect(Timer_UPDATE, SIGNAL(timeout()), this, SLOT(repaint())); Timer_UPDATE->start(2000); //自动发送定时器 Timer_AS = new QTimer(this); } MainWindow::~MainWindow() { delete ui; } //重置计数 void MainWindow::resetCnt() { BaudCnt = 0; ParityCnt = 0; DataBitsCnt = 0; StopBitsCnt = 0; FlowCtrlCnt = 0; } //对串口发送十六进制 void MainWindow::writeHex(QTextEdit *textEdit) { QString dataStr = textEdit->toPlainText(); //如果发送的数据个数为奇数的，则在前面最后落单的字符前添加一个字符0 if (dataStr.length() % 2) dataStr.insert(dataStr.length()-1, '0'); QByteArray sendData; StringToHex(dataStr, sendData); mySerialPort->write(sendData); ui->receiveTextBrowser->append(sendData + "\n"); ui->receiveTextBrowser->moveCursor(QTextCursor::End); ui->TxLCD->display(ui->TxLCD->value() + sendData.size()); } //对串口发送字符串 void MainWindow::writeChr(QTextEdit *textEdit) { QByteArray sendData = textEdit->toPlainText().toUtf8(); if (!sendData.isEmpty() && !sendData.isNull()) mySerialPort->write(sendData); ui->receiveTextBrowser->append(sendData + "\n"); ui->receiveTextBrowser->moveCursor(QTextCursor::End); ui->TxLCD->display(ui->TxLCD->value() + sendData.size()); } //将字符串当作十六进制数发送 //每两个数字代表一个值 //如发送31，实际是0x31，对照ASCII得到1，也就是说你发送的是1 //如发送414243，实际发送是0x41，0x42，0x43，对照ASCII得到ABC，实际上发送的是ABC void MainWindow::StringToHex(QString str, QByteArray &senddata) { int hexdata,lowhexdata; int hexdatalen = 0; int len = str.length(); senddata.resize(len / 2); char lstr,hstr; for (int i = 0; i < len; ) { hstr = str[i].toLatin1(); if (hstr == ' ') { ++i; continue; } ++i; if (i >= len) break; lstr = str[i].toLatin1(); hexdata = ConvertHexChar(hstr); lowhexdata = ConvertHexChar(lstr); if ((hexdata == 16) || (lowhexdata == 16)) break; else hexdata = hexdata*16 + lowhexdata; ++i; senddata[hexdatalen] = (char)hexdata; ++hexdatalen; } senddata.resize(hexdatalen); } //将十六进制转换成字符串 char MainWindow::ConvertHexChar(char ch) { if ((ch >= '0') && (ch <= '9')) return ch - 0x30; else if ((ch >= 'A') && (ch <= 'F')) return ch - 'A' + 10; else if ((ch >= 'a') && (ch <= 'f')) return ch - 'a' + 10; else return ch - ch; } //槽函数，自动向串口发送内容 //主要是设置自动发送定时器 void MainWindow::startAutoSend(QPushButton *sendButton) { //连接自动发送定时器和发送按钮 connect(Timer_AS, SIGNAL(timeout()), sendButton, SIGNAL(clicked())); QString interval; if (sendButton->objectName() == "sendButton_1") { disabledSendButton(); Timer_AS->start(ui->intervalSB_1->value()); statusBar()->showMessage(tr("每 ") + interval.setNum(ui->intervalSB_1->value()) + tr("ms 自动发送一次"), 2000); } else if (sendButton->objectName() == "sendButton_2") { disabledSendButton(); Timer_AS->start(ui->intervalSB_2->value()); statusBar()->showMessage(tr("每 ") + interval.setNum(ui->intervalSB_2->value()) + tr("ms 自动发送一次"), 2000); } } //槽函数 //各种基础信号槽链接 void MainWindow::setConnections() { connect(ui->autoSendCB_1, SIGNAL(stateChanged(int)), this, SLOT(checkAutoSendCB())); connect(ui->autoSendCB_2, SIGNAL(stateChanged(int)), this, SLOT(checkAutoSendCB())); /* connect(ui->actionWrite_data, SIGNAL(triggered()), this, SLOT(saveAs())); connect(ui->actionRead_data, SIGNAL(triggered()), this, SLOT(openFile())); connect(ui->actionChoose_file, SIGNAL(triggered(bool)), this, SLOT(openFile())); */ connect(ui->actionWrite_data, SIGNAL(triggered()), this, SLOT(kindremind())); connect(ui->actionRead_data, SIGNAL(triggered()), this, SLOT(kindremind())); connect(ui->actionChoose_file, SIGNAL(triggered(bool)), this, SLOT(kindremind())); connect(ui->actionAlways_show, SIGNAL(triggered()), this, SLOT(kindremind())); connect(ui->exitAction, SIGNAL(triggered()), qApp, SLOT(quit())); connect(ui->actionAbout, SIGNAL(triggered()), qApp, SLOT(aboutQt())); connect(ui->sendButton_1, SIGNAL(clicked()), this, SLOT(writeToBuf())); connect(ui->sendButton_2, SIGNAL(clicked()), this, SLOT(writeToBuf())); connect(ui->BAUDCB, SIGNAL(currentIndexChanged(int)), this, SLOT(setBaudRate())); connect(ui->ParityCB, SIGNAL(currentIndexChanged(int)), this, SLOT(setParity())); connect(ui->DataBitsCB, SIGNAL(currentIndexChanged(int)), this, SLOT(setDataBits())); connect(ui->StopBitsCB, SIGNAL(currentIndexChanged(int)), this, SLOT(setStopBits())); connect(ui->FlowCtrlCB, SIGNAL(currentIndexChanged(int)), this, SLOT(setFlowCtrl())); } //拖事件 void MainWindow::dragEnterEvent(QDragEnterEvent *event) { if (event->mimeData()->hasFormat("text/uri-list")) event->acceptProposedAction(); } //放入事件 void MainWindow::dropEvent(QDropEvent *event) { QList<QUrl> urls = event->mimeData()->urls(); if (urls.isEmpty()) return; QString fileName = urls.first().toLocalFile(); if (fileName.isEmpty()){ return; } loadFile(fileName); } //设置自动发送相关事项，并开始自动发送 void MainWindow::checkAutoSendCB() { QObject *signalSender = sender(); if ( signalSender->objectName() == "autoSendCB_1") { //如果自动发送checkbox打钩 if (ui->autoSendCB_1->isChecked()) { //时间间隔spinbox不可选 ui->intervalSB_1->setEnabled(false); //其余两个自动发送checkbox不