Misc

select available PM3 hardware port when updating the serial port list
remove extra empty lines in raw command output by replacing
appendPlainText() with insertPlainText() rather than starting the client
with QProcess::Text

src/common/pm3process.cpp

@@ -28,7 +28,8 @@ void PM3Process::connectPM3(const QString& path, const QStringList args)
     currArgs = args;
 
     // using "-f" option to make the client output flushed after every print.
-    start(path, args, QProcess::Unbuffered | QProcess::ReadWrite | QProcess::Text);
+    // single '\r' might appears. Don't use QProcess::Text there or '\r' is ignored.
+    start(path, args, QProcess::Unbuffered | QProcess::ReadWrite);
     if(waitForStarted(10000))
     {
         waitForReadyRead(10000);

src/ui/mainwindow.cpp

@@ -108,7 +108,8 @@ void MainWindow::on_portSearchTimer_timeout()
 {
     QStringList newPortList; // for actural port name
     QStringList newPortNameList; // for display name
-//    QStringList portList;
+    const QString hint = " *";
+
     foreach(const QSerialPortInfo &info, QSerialPortInfo::availablePorts())
     {
 //        qDebug() << info.isNull() << info.portName() << info.description() << info.serialNumber() << info.manufacturer();
@@ -116,7 +117,7 @@ void MainWindow::on_portSearchTimer_timeout()
         {
             QString idString = (info.description() + info.serialNumber() + info.manufacturer()).toUpper();
             QString portName = info.portName();
-            const QString hint = " *";
+
             newPortList << portName;
             if(info.hasProductIdentifier() && info.hasVendorIdentifier() && info.vendorIdentifier() == 0x9AC4 && info.productIdentifier() == 0x4B8F)
                 portName += hint;
@@ -129,8 +130,15 @@ void MainWindow::on_portSearchTimer_timeout()
     {
         portList = newPortList;
         ui->PM3_portBox->clear();
+        int selectId = -1;
         for(int i = 0; i < portList.size(); i++)
+        {
             ui->PM3_portBox->addItem(newPortNameList[i], newPortList[i]);
+            if(selectId == -1 && newPortNameList[i].endsWith(hint))
+                selectId = i;
+        }
+        if(selectId != -1)
+            ui->PM3_portBox->setCurrentIndex(selectId);
     }
 }
 
@@ -247,7 +255,8 @@ void MainWindow::on_PM3_disconnectButton_clicked()
 void MainWindow::refreshOutput(const QString& output)
 {
 //    qDebug() << "MainWindow::refresh:" << output;
-    ui->Raw_outputEdit->appendPlainText(output);
+    ui->Raw_outputEdit->moveCursor(QTextCursor::End);
+    ui->Raw_outputEdit->insertPlainText(output);
     ui->Raw_outputEdit->moveCursor(QTextCursor::End);
 }